• DE604954C - Foldable, split spindle nut : de en
  • DE605094C - Impeller, rope roll or the like : de en
  • GB418862A - Manifolding apparatus : en
  • PL20478B1 - Submachine gun, especially a submachine gun with a handle that is immobile during a shot. : en pl
  • PL20570B1 - Method for the production of magnesium sulphate. : en pl
  • SU39055A1 - Device for closing rubber and textile parts : en ru
  • SU39573A1 - Photo Clip : en ru
  • US1978526A - Driving mechanism : en
  • US1978613A - Box making machine : en
  • US1978716A - Razor blade lubricator : en
  • ES135261A1 - An improvement in the manufacture of stockings, socks and knitwear in general. : en es
  • DE604746C - Device for the manufacture of coil springs consisting of two wind tools : de en
  • DE604840C - Flag holder for hoisting flags : de en
  • DE604924C - Device for any readjustment of the counter shell to the supporting shell of an axle bearing : de en
  • ES135401A1 - PROCEDURE FOR THERMAL OBTAINING MAGNESIUM : en es
  • GB418688A - Improvements in thermally responsive electric switches : en
  • SU39484A1 - Device for automatic control of cooling water temperature in internal combustion engines : en ru
  • US1978758A - Nonskid device for vehicle wheels : en
  • CH172905A - Anti-skid device for vehicles. : de en
  • SU39676A1 - Rotary tipper for trolleys : en ru
  • US1978634A - Windshield cleaner valve action : en
  • ES135363A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF TELESCOPIC SPILLAGE GOLLETS : en es
  • GB418902A - Improvements in stoves for cooking and heating : en
  • GB418705A - Improvements in extruding machines : en
  • FR772587A - Handheld device for measuring slopes of railway tracks : en fr
  • GB418845A - Improvements relating to electric discharge lamps : en
  • US1978487A - Receptacle opener : en
  • US1979104A - Method of making a spray nozzle : en
  • ES135503A1 - APPARATUS TO HEAR OR PERCEIVE FROM A DISTANCE THE FOG SIGNALS OF THE SHIPS AND ANY OTHER KIND OF SOUNDS OR NOISES : en es
  • SU39688A1 - The method of purification of water containing phenols, using chlorination : en ru
  • SU39084A1 - Water spray in the chamber production of sulfuric acid : en ru
  • SU39236A1 - Non-linear distortion measurement method : en ru
  • SU39652A1 - Method of laying tobacco leaves : en ru
  • DE604950C - Device for bleaching pulp or the like. : de en
  • DE605065C - Process for rendering antimony in copper harmless : de en
  • SU39416A1 - Automatic scales for loose bodies : en ru
  • SU39687A1 - Clean drinking water tank : en ru
  • DE604516C - Spring-mounted twisting or spinning spindle : de en
  • GB418764A - Improvements in four-stroke-cycle internal-combustion engines in which pairs of pistons are acted on by the same impulse : en
  • GB418646A - An improved shirt : en
  • GB418857A - Improvements in or relating to unions or like devices for connecting flexible tubing to taps and the like : en
  • ES135484A1 - An apparatus for copying lenticular lattice films. : en es
  • GB418710A - Improvements in or relating to systems for signalling or controlling over electric power mains : en
  • GB418905A - Improvements in or relating to the manufacture of sliding clasp fasteners : en
  • FR772490A - Billboard : en fr
  • GB418820A - Improvements in pneumatic tyres : en
  • GB418615A - Improvements in or relating to protective control systems for electric motors : en
  • DE590885C - Wick lubrication device for a sliding bearing that can be exchanged for a roller bearing : de en
  • GB418871A - Improvements in handles for brushes and dusting mops : en
  • GB419010A - Manufacture and application of products useful as assisting agents in the textile and leather industries : en
  • SU39160A1 - Ballast thrower from under rail : en ru
  • DK49452C - Machine for Black Scraping of Pig Bodies. : da en
  • FR772682A - Curve correction device, particularly applicable to the measurement of the speed of a ship : en fr
  • ES135531A1 - A thermionic generator of the kind in which vibrations are produced by the action of a magnetic field. : en es
  • FR772476A - Manufacturing process for hollow bodies for expanding tubes and hollow bodies thus obtained : en fr
  • GB418603A - Improvements in or relating to electro-optical systems : en
  • GB418627A - Improvements in or relating to caps and the like for personal wear and the manufacture thereof : en
  • DE604854C - Cell for the electrolytic production of light metals : de en
  • FR772561A - Developments relating to reservoir brushes : en fr
  • FR772619A - Production process for halogenated tank dyes : en fr
  • GB418907A - Improvements in or relating to boxes : en
  • GB418804A - Improvements relating to grid control systems for electric discharge vessels : en
  • SU39111A1 - A method for reducing aromatic nitro compounds : en ru
  • USD93719S - Design for a hand bag frame : en
  • FR772665A - Improvements to convertible vehicles : en fr
  • PL20487B1 - Locking mechanism of automatic firearms. : en pl
  • CH172752A - Method and device for setting light. : de en
  • DE590022C - Device for automatic lowering of the chain : de en
  • DE604962C - Grinding and polishing machine for processing flat surfaces : de en
  • SU39219A1 - Differential microphone : en ru
  • BE405133A - : en fr
  • GB418957A - Improvements in or relating to sockets or holders for thermionic valves and the like : en
  • FR772694A - Method and switching device for damped servo-control of an electric motor : en fr
  • FR772442A - Advanced baking oven for bakery and other uses : en fr
  • SU39568A1 - Method of making photosensitive plates : en ru
  • US1978688A - Motor-generator assembly : en
  • FR772531A - Luminous flux limiter with rectilinear elements : en fr
  • GB418906A - Improvements relating to seals for current leads into quartz vessels : en
  • DE605093C - Device for practicing the method for testing metals, especially welded workpieces, by bending test bars : de en
  • GB418870A - Improvements in or relating to door-closing apparatus : en
  • FR772478A - Multi-row, self-orienting roller bearing with one or more guide rings interposed between the rows of rollers : en fr
  • PL20545B1 - Door latch. : en pl
  • US1978969A - Device for protection of electric nets against overvoltages : en
  • CH172724A - Process for the preparation of unsaturated hydroxyl compounds. : de en
  • SU39246A1 - Span control device : en ru
  • SU39437A1 - Method for analyzing dolomites : en ru
  • GB418816A - Improvements in or relating to systems of carburation for heavy oil non-diesel internal combustion engines employing pre-heated air : en
  • US1978762A - Engine : en
  • USD93737S - Design fob an electric iron : en
  • DE604805C - Oven for laundry u. like kettle : de en
  • DK49464C - Device for Combustion of Liquid Fuel. : da en
  • GB418578A - Improvements in electrical starting devices for internal combustion engines : en
  • GB418948A - Control clock : en
  • FR772452A - Refining process for vegetable and animal oils and fats : en fr
  • CA345584A - Oil or reagent feeder : en fr
  • CA345585A - Lamp : en fr
  • CA345616A - Potato harvester : en fr
  • CA345671A - Tractor and trailer coupler : en fr
  • CH172796A - Plate for machine insulation. : en fr
  • CH172927A - Actuating device of the diaphragm type, for devices operated by pressurized fluid. : en fr
  • FR772530A - Apparatus for the destruction of mole crickets : en fr
  • ES135522A1 - PROJECTION APPARATUS : en es
  • SU39181A1 - Automatic brake for railway trains : en ru
  • SU39441A1 - Ice gauge : en ru
  • GB418604A - Improvements in and relating to shouldered metal tubes for wireless valves and the like : en
  • US1979093A - Signature handling mechanism for printing presses : en
  • US1978498A - Vehicle suspension mechanism : en
  • DE605016C - Process for the production of glues from carbohydrates : de en
  • FR772472A - Cufflink : en fr
  • GB418966A - An improved brush : en
  • IE13288L - Vertically rising aircraft : en
  • SU39705A1 - Method of cutting sugar heads : en ru
  • SU39478A1 - Safety device against disturbances in the normal operation of internal combustion engines with a lack of lubrication or excessive wear of moving parts : en ru
  • FR772432A - Hydraulic weighing device : en fr
  • GB418869A - Improvements relating to the manufacture of veneered wood panels : en
  • SU39613A1 - Device for supplying water to the machine gun cover : en ru
  • CA345600A - Net line setting device : en fr
  • CH172770A - Device for measuring a displacement. : en fr
  • CH172838A - Method for insulating electrical winding parts. : de en
  • DE604887C - Control for starting and regulating a larger number of short-circuit armature motors used as hoist and transport machine drives : de en
  • FR772625A - Single Track Tracked Motor Vehicle : en fr
  • FR772508A - Device for holding sheets of paper for ventilation of accounts and similar applications : en fr
  • FR772679A - Improvements to discharge devices : en fr
  • AU1723534A - Improvements in or relating toa method of modifying the properties of rubber surfaces : en
  • ES135518A1 - Procedure for the manufacture of a liquor based on milk. : en es
  • FR772618A - Improvements in processes for the treatment of hydrocarbons : en fr
  • CH172811A - Capacity regulator for reciprocating compressors and reciprocating blowers. : de en
  • CH172889A - Process for the self-illuminating visualization of large objects such as house facades, car road curves, level crossings, signals. : de en
  • CH172940A - Mobile piece of furniture. : de en
  • DE604951C - Felt winding roller for paper machines u. like : de en
  • DE604999C - Complementary switchgear for cash registers or calculating machines with flat keypad : de en
  • GB418880A - Improvements in or relating to hydraulic shock-absorbers : en
  • FR772541A - New wandering piston engine : en fr
  • PL20531B1 - Toilet device for flushing pools. : en pl
  • USD93743S - Design for a lamp shade : en
  • SU39341A1 - Ampoule for antiseptic substances : en ru
  • AU1239133A - A process for impermeabilizing or fixing pervious or loose subsoil layers, such as sand soils or sand masses, and for impermeabilizing porous masonry andother stony materials : en
  • CH172704A - Rotary agitator for vacuum cleaner. : en fr
  • CH172951A - Process for the preparation of 5-chloro-7-methylisatin-a-chloride. : de en
  • CH172926A - Steering device for central buffer couplings. : de en
  • DE605076C - Vice of a line casting machine : de en
  • SU39056A1 - Bilateral movable cutting machine for fabrics : en ru
  • US1978517A - Gas burner : en
  • US1978680A - Hydraulic transmission : en
  • CH172631A - Ventilation device for greenhouses with hot water heating and for cold houses. : de en
  • SU39337A1 - Heating Dental Table : en ru
  • US1978586A - Method of and apparatus for vulcanizing material on articles : en
  • GB418923A - Improved apparatus for ascertaining and recording the depth of water in a river, and for like purposes : en
  • CH172968A - DC generator for constant current. : de en
  • SU39152A1 - The method of preparing sheets for firing : en ru
  • US1978405A - Apparatus for producing and finishing prints : en
  • US1978954A - Box toe : en
  • USD93706S - Design for a shoe : en
  • SU39154A1 - Decking method of deeps with the help of laying and removing the linings and nashpalnikov : en ru
  • SU39317A1 - Flatting and peeling machine for bast plants : en ru
  • SU39633A1 - Modifying the mechanism for stopping a tape machine : en ru
  • US1978700A - Electrically operated driving device : en
  • US1978849A - Portable nondefraudable cash recorder : en
  • DE604912C - Protection device against internal faults in series capacitors : de en
  • GB418622A - Manufacture of chromiferous dyestuffs : en
  • GB418659A - Improvements in and relating to dynamo electric machines : en
  • GB418935A - Improvements in processes for the re-incorporation into the fibres of textile materials of substances lost during the processes of production : en
  • US1979184A - Transverse driven body : en
  • USD93738S - Design foe an oijla cover : en
  • CA345592A - Advertising apparatus : en fr
  • US1978901A - Dual production and cost control recorder : en
  • SU39386A1 - A method of manufacturing transmission belts and conveyor belts from rubberized rubber wastes (non-smoking fabric) : en ru
  • ES135496A1 - A new procedure for the production of sprouted seeds and shoots without the need for soil. : en es
  • DE604892C - Method for the simultaneous playback or re-recording of two sound recordings : de en
  • GB418767A - Improvements in or relating to electric contact making devices particularly for motor controllers : en
  • ES135551A1 - A process for manufacturing ferro-manganese and silico-manganese. : en es
  • ES2547Y - Devices applicable to moth bags and mail bags. : en es
  • DE604848C - Electromagnetic changeover switch with delay device : de en
  • ES135269A3 - X-ray application system for the recognition of the internal structure of welds of all kinds, cast, forged, rolled and riveted parts and of all kinds of metals. : en es
  • FR772633A - Improvements to heat exchangers : en fr
  • US1978551A - Method of manufacturing hydrogen peroxide : en
  • GB418775A - Improvements in or relating to the attachment of metal parts to electric insulators : en
  • USD93710S - Design for a shoe : en
  • US1978406A - Treating surfaces of fibrous materials : en
  • SU39451A1 - Statistics machine : en ru
  • SU39605A1 - Machine for inserting hooks and rings into shoemakers : en ru
  • US1978635A - Jar cap : en
  • DE605052C - Device for picking up and setting down aircraft on ships : de en
  • CH172878A - Electric counting device. : de en
  • GB418585A - Improvements in furnaces for steam generating boilers and the like : en
  • FR772443A - Mixing and kneading machine with kneading paddles, in particular for fraying in the manufacture of viscose : en fr
  • FR772559A - Improvements in the manner and means of making the attachments or junctions in the belts : en fr
  • FR772653A - Speed reducer : en fr
  • SU39542A1 - Device for removing watered photographic plates : en ru
  • US1979219A - Beverage cooler : en
  • PL20513B1 - High-evaporation sectional boiler. : en pl
  • SU39232A1 - Antenna : en ru
  • SU39239A1 - The method of applying an insulating top coat : en ru
  • US1978777A - Sulphone-morpholine compounds of the amino-anthraquinone series : en
  • SU39249A1 - Device for controlling a direct current electric motor : en ru
  • US1978939A - Universal joint : en
  • CA345639A - Alternating current generator : en fr
  • US1978787A - Trimming apparatus : en
  • US1978879A - Drilling machine : en
  • US1979116A - Manufacture of hydroxydiphenyls : en
  • SU39083A1 - Furnace for burning flotation tailings : en ru
  • SU39553A1 - Optical compensator for biprojector : en ru
  • DE604743C - Spinning and twisting device : de en
  • US1978973A - Electric clock : en
  • USRE19356E - Adjustable fastening device : en
  • US1979204A - Gripper for hosiery strippers : en
  • ES135369A3 - A procedure for the manufacture of fabrics by forming imitations of hides and skins. : en es
  • DE605051C - Theft protection, especially for motor vehicles : de en
  • CA345676A - Benzine purification : en fr
  • CH172859A - Discharge device filled with mercury vapor and with an externally heated hot cathode with high current density. : de en
  • SU39065A1 - The method of obtaining peat coal : en ru
  • SU39250A1 - Starting rheostat : en ru
  • US1979222A - Cabinet : en
  • US1978709A - Expansion valve regulating mechanism for refrigerating systems : en
  • BE405398A - : en fr
  • CH172723A - Process for the preparation of an anthraquinono-2'.1'.1.2-anthraquinone. : de en
  • CA345664A - Cleaning composition : en fr
  • SU39513A1 - Chuck for turning and turret machines : en ru
  • US1978991A - Automatic double acting blow-out preventer for use in oil well drilling : en
  • SU39026A1 - Apparatus for the enrichment of asbestos rock : en ru
  • US1978686A - Fluid pressure operated blower for cleaning the tubes of steam generators and the like : en
  • GB418972A - Improvements in carburettors for internal combustion engines : en
  • SU39461A1 - Cabbage harvester : en ru
  • CH172766A - Swing. : de en
  • CH172857A - Device for premature quenching of the anode current in rectifiers, AC converters or converters. : de en
  • SU39175A1 - Wheel for railway carts : en ru
  • DK49451C - Motorcycle set. : da en
  • FR772560A - Device for counting coins : en fr
  • CA345688A - Elastic thread manufacture : en fr
  • CH172908A - Remote control device for shock absorber. : en fr
  • ES135474A2 - IMPROVEMENTS IN THE CONSTRUCTION OF AFUSTS FOR CANONS OR MACHINE GUNS : en es
  • US1978524A - Engine starting apparatus : en
  • US1978543A - Locking means : en
  • DE604967C - Method and device for drying wood, cardboard, rayon and other objects containing water : de en
  • FR772581A - Editing to automatically control the amplification coefficient of a device : en fr
  • FR772502A - Heavy oil burner : en fr
  • US1978488A - Draft regulator : en
  • US1978788A - Thermostatically controlled fan : en
  • FR772516A - Device for radiators with flat elements : en fr
  • SU39040A1 - Safety valve for drilling in fantasy wells : en ru
  • US1978636A - Shelf bracket construction : en
  • US1978657A - Singling preventer : en
  • SU39514A1 - Clamping device for milling and grinding the cutting part of the dies : en ru
  • DE604820C - Voltage-dependent regulating device for regulating the voltage of an alternating or direct current generator : de en
  • DK49467C - Device for Cutting Food into Slices. : da en
  • CA345644A - Furnace : en fr
  • CA345720A - Motor cooling system : en fr
  • CH172762A - Ski with a running part made of light metal alloy. : de en
  • DE604925C - Wheel arrangement for vehicles running on roads and rails : de en
  • GB418635A - Resilient watertight covering for terrace and other roofs : en
  • US1979226A - Light-sensitive apparatus : en
  • CA345701A - Fabric manufacture : en fr
  • US1978663A - Electrical and mechanical brake control mechanism : en
  • SU39052A1 - Device for laying yarn tapes in piles : en ru
  • SU39310A1 - Air condenser : en ru
  • SU39632A1 - Hand cleaning machine : en ru
  • SU39643A1 - Device for water condition : en ru
  • US1979185A - Apparatus for the final refining of benzols washed with acid : en
  • USRE19355E - Folding cot : en
  • US1978410A - Mechanism for knitting runproof or run-resistant knitted fabric : en
  • SU39218A1 - Signal transmission method for vision : en ru
  • SU39301A1 - Horizontal type gas scrubber for mobile gas generators : en ru
  • US1979083A - Furnace : en
  • US1979209A - Book construction : en
  • GB418623A - A method of and an apparatus for simultaneously manufacturing brocades and pattern cards : en
  • AU1437833A - Improvements in and relating to tentering machines for use inthe treatment of fabric : en
  • CA345691A - Rubber thread manufacture : en fr
  • DE604851C - Device for beating eggs and cream : de en
  • GB418660A - Improvements in and relating to check valve devices for fluid pressure braking apparatus : en
  • GB419448A - Improvements relating to operating mechanism for windscreens of motor vehicles : en
  • CH172911A - Pressure regulator for pumps for motor vehicles and other applications. : en fr
  • ES135546A1 - TUBE ROLLING MACHINE : en es
  • GB418809A - Improvements in or relating to bipartite bearings more particularly for the impression cylinders of rotary printing machines : en
  • PL20472B1 - Combustion turbine blade. : en pl
  • SU39670A1 - Method of hydraulic transportation of loose goods : en ru
  • USD93734S - Design fob a moistener : en
  • CH172830A - Carburetors for gasoline and other fuels with a lower specific weight than water. : de en
  • DE604853C - Process for the production of hard, tough alloys : de en
  • DE604983C - Process for the production of oil-filled high-voltage cables : de en
  • CA345611A - Harrow : en fr
  • CH172823A - Method and device for cleaning, detoxifying, odorless and silencing of the exhaust gases from internal combustion engines. : de en
  • DE604930C - Articulated tongue swivel chair for railway switches : de en
  • ES135429A1 - Hair winding device for permanent wave devices. : en es
  • CA345622A - Cigarette machine feed : en fr
  • CA345697A - Leatherboard : en fr
  • CH172802A - Shut-off device. : de en
  • CH172835A - Device for cleaning the refrigerant in airtight refrigeration machines. : de en
  • DE604886C - Mold for the production of models for the casting of artificial teeth with a core : de en
  • DK49468C - Wrapping for Bicycles. : da en
  • GB418930A - Improvements in and connected with apparatus for applying treads to the covers of pneumatic tyres : en
  • SU39406A1 - Parts tester with angled parts : en ru
  • US1979203A - Reserve supply for gasoline tanks and the like : en
  • CA345577A - Brush : en fr
  • CH172646A - Grid-like covering made of cast iron or another cast alloy for driveways and the like. : de en
  • ES135379A1 - Improvements in the variable pitch propellers. : en es
  • GB418866A - Improvements in electric hot plates and similar heaters : en
  • US1978892A - Automobile heater : en
  • CH172759A - Ski binding with adjustable toe pieces. : de en
  • SU39094A1 - Method for separating rare earths and tori from monazites : en ru
  • SU39387A1 - The method of preparation of chlorinated rubber : en ru
  • FR772470A - New dyes of the dioxazine series and their preparation process : en fr
  • PL20549B1 - A method of obtaining summon in nasal current communication, and a device for carrying out the method. : en pl
  • SU39537A1 - Circular paper machine : en ru
  • USD93747S - Design for a lamp shade : en
  • US1978971A - Hand bag and hand bag cover : en
  • SU39209A1 - Device for tightening the screw joint between the tender and the locomotive : en ru
  • US1978720A - Funeral car : en
  • USD93739S - Design fob an insignia : en
  • USD93751S - Design fob a marble game apparatus : en
  • USD93730S - Design for an airplane : en
  • SU39368A1 - Differential winch with friction drum : en ru
  • SU39508A1 - Method for phosphating iron products : en ru
  • US1978809A - Hydraulic apparatus : en
  • SU39167A1 - Rope clamp : en ru
  • SU39391A1 - The method of obtaining resinous products : en ru
  • SU39438A1 - Aspirator for gas sampling : en ru
  • US1978642A - Floor securing device : en
  • DE605037C - Transparent cover material : de en
  • GB418781A - Power-unit mountings : en
  • GB418800A - Pneumatic mattress : en
  • SU39283A1 - Electric oven : en ru
  • US1978923A - Composition board : en
  • US1978843A - Trolling spoon : en
  • CH172701A - Drum washing machine with electric drive. : de en
  • DE604866C - Process for the production of acetic acid : de en
  • US1978800A - Method for the treatment of animal furskins, animal hair fibers, and the like : en
  • US1979003A - Method of and machine for making : en
  • US1978552A - Automatic volume control : en
  • US1979097A - Lock switch : en
  • DK49469C - Process for the preparation of organic nitrogen-containing compounds by the action of ammonia on an unsubstituted dihalohydrin of a polyhydric alcohol. : da en
  • FR772534A - Vacuum cleaner improvements : en fr
  • CH172873A - Process for the preparation of a cyclic amine. : de en
  • PL20526B1 - Cigarette tube. : en pl
  • US1978726A - Centrifugal ore separator : en
  • US1978753A - Dispensing nozzle for gasoline or the like : en
  • US1978771A - Immersion roll : en
  • USD93698S - Design fob a spoon ob similar abticle : en
  • SU39027A1 - A device for extracting gold from ores and sands using amalgamation : en ru
  • US1979031A - Method of and composition for coating dolls : en
  • SU39294A1 - Lacquer method : en ru
  • US1978628A - Key cutting machine : en
  • US1979206A - Building unit : en
  • US1979211A - Glassware forming apparatus : en
  • GB418580A - Process for the production of magnesite blocks of high resistance to changes of temperature : en
  • SU39021A1 - Centrifugal Classifier : en ru
  • ES135463A1 - A procedure to reinforce jute footwear, especially espadrilles. : en es
  • ES2574Y - A new container for table service applicable as a salt or sugar shaker or to contain other similar powdery substances : en es
  • GB418728A - Improvements in boxes having hinged lids or covers and in methods of and apparatus for making the same : en
  • ES135490A1 - Blue flame oil burner. : en es
  • GB418827A - Production of dyes on the fibre : en
  • US1978799A - Gun : en
  • CH172814A - Rotary pump with volumetric variations. : en fr
  • CH172924A - Rail vehicle with internal combustion engine that is charged by a compressor driven by the exhaust gases. : de en
  • GB418663A - Improvements relating to power transmitting mechanism : en
  • FR772564A - Device of steam generators and condensers on automotrioes : en fr
  • GB418751A - Improvements relating to pottery and other kilns or ovens : en
  • SU39462A1 - Cotton harvesting machine : en ru
  • SU39696A1 - Parallel vice : en ru
  • US1978685A - Method of making rear axle housings : en
  • US1978933A - Circuit continuing device : en
  • SU39070A1 - Peat Coagulation Method : en ru
  • SU39146A1 - The method of sintering ores : en ru
  • SU39567A1 - Method of making photosensitive layers : en ru
  • US1979081A - Holder for posters and the like : en
  • PL20500B1 - Double-walled, heated brick house. : en pl
  • US1978988A - Self sharpening safety razor : en
  • US1979048A - Sound producing apparatus : en
  • CH172790A - Screwdriver. : de en
  • US1978711A - Antislip device : en
  • US1978922A - Flexible drive and dampener : en
  • SU39142A1 - A device for unloading superphosphate from a Lawrence boiler : en ru
  • SU39260A1 - Ion device : en ru
  • US1978440A - Electric measuring device : en
  • US1978961A - Assist grip : en
  • SU39068A1 - Peat bricks tedder : en ru
  • USD93712S - Design for a chair frame : en
  • CA345700A - Chair : en fr
  • US1979170A - Driving mechanism : en
  • US1978447A - Process for the preparation, separation, and purification of salts, salt solutions, and other solutions : en
  • CA345696A - Rubber article processing : en fr
  • CH172888A - Method and device for modulating the intensity of a sharply focused electron beam. : de en
  • DE604772C - Process for rendering exhaust gases containing hydrogen sulfide and other harmful pollutants harmless : de en
  • US1978574A - Ticket holder : en
  • US1978594A - Machine for making and sealing containers from transparent cellulose material : en
  • US1978966A - Apparatus for the manufacture of perforated records : en
  • US1978981A - Method of preparing carotene pigment material : en
  • FR772690A - Process for keeping roasted coffee, possibly ground, in a permanent state of freshness : en fr
  • DE604904C - Graver bearings for engraving and copying machines : de en
  • US1978697A - Adjusting device : en
  • US1978768A - Gasifying of animal and vegetable matter : en
  • US1978813A - Rubber composition and process of making the same : en
  • SU39078A1 - Automatic brine feeder when receiving chlorine by electrolysis : en ru
  • US1979074A - Segmental grinding wheel : en
  • US1978859A - Member for coupling vehicles together : en
  • US1979017A - Cotton cleaner : en
  • CH172636A - Device for capturing insects, such as flies, mosquitoes, etc. : en fr
  • CH172851A - Switchgear to be attached to a wall with a rectangular, removable cover. : de en
  • DK49448C - Centrifuge for cleaning fibrous pulps, in particular pulp. : da en
  • SU39551A1 - Device for lowering photographic constipation : en ru
  • US1979168A - Settling apparatus : en
  • DE604885C - Revolver-like hand syringe, especially for dental purposes : de en
  • US1979057A - Food receptacle : en
  • US1979087A - Alarm clock : en
  • CH172928A - Railway signaling installation. : en fr
  • CH172901A - Tin can with sealing membrane. : de en
  • FR772435A - Improvements to medicinal capsules : en fr
  • US1978731A - Circuit breaker : en
  • US1979030A - Hand implement for treating fur : en
  • ES135473A1 - Improvements in the construction and installation of modulated wave transmitter devices. : en es
  • DE604781C - Continuously controllable fluid transmission, consisting of a differential pump connected between the driving and driven shaft and a free-jet turbine that is fed by it and acts on the driven shaft : de en
  • ES134702A1 - Braun tube. : en es
  • ES135555A1 - A method of producing purified polysaccharide of starch. : en es
  • FR772605A - Pipe connection : en fr
  • DE604988C - Spring-loaded, ribbon-shaped contact socket element for radio tube socket : de en
  • FR772576A - Improvements to the side of boats : en fr
  • GB418653A - Improvements in and relating to impregnating compounds for insulating purposes : en
  • GB418690A - Improvements relating to adjustable struts : en
  • GB418988A - Improvements in or relating to arc lamps for the production of ultra-violet radiation : en
  • ES135431A3 - Procedure to create the prophylactic and curative properties of anti-rachitic vitamin D in food and medicinal substances or increase those they naturally possess. : en es
  • FR772519A - Improvements in the purification of coal and in the separation of analogous substances into their parts : en fr
  • FR772678A - Method and apparatus for the flow of a liquid : en fr
  • GB418801A - Improvements in or relating to self aligning bearings or universal joints : en
  • DE605002C - Irrigation device moving back and forth on a suspension cable : de en
  • FR772553A - Pocket battery enhancements : en fr
  • SU39024A1 - Inertia laboratory screen for screen analysis : en ru
  • SU39130A1 - Proofreading machine : en ru
  • US1978911A - Window runway or channel : en
  • US1979013A - Rolling of stranded electrical conductors : en
  • US1978475A - Intermediate frequency amplifier : en
  • US1979155A - Apparatus for sighting and controlling guns : en
  • SU39530A1 - Acceptance of the method of manufacturing condensed grape juice : en ru
  • SU39265A1 - Electromagnetic current ratio meter : en ru
  • SU39659A1 - The method of preparation of thermo insulating mass of diatomite and asbestos : en ru
  • DE604884C - Kiln for laboratories, especially for dental purposes and incineration or the like. : de en
  • CA345724A - Signalling system : en fr
  • DE605071C - Mechanism for stapled binders with insertion slots for the folder pin on the edge of the binder reinforced by a sheet metal strip : de en
  • DE604922C - Gluehofen with swiveling hotplates : de en
  • DE593344C - Incandescent lamp cinema with a photo-electric controlled relay for switching the incandescent lamps : de en
  • PL20551B1 - Timing device for the gearbox of motor vehicles, in particular rail and road train cars. : en pl
  • SU39180A1 - Device for braking a train equipped with aerial auto brakes in case of accidents : en ru
  • US1979042A - Cigarette vending machine : en
  • US1979232A - Method of recovering so used in refining mineral oils : en
  • PL20463B1 - An electromagnetic sheath relay with an anchor, placed inside the coil. : en pl
  • SU39287A1 - The method of obtaining purple vat dye : en ru
  • SU39628A1 - Method for phosphating metal products : en ru
  • FR772540A - Improvements to leather bands for caps, hats, etc. : en fr
  • CH172800A - Device which can be used as a braking or coupling mechanism. : en fr
  • SU39690A1 - The form of the counting device to determine the indications of the percentage of production on the loom : en ru
  • CA345722A - Lubricating apparatus : en fr
  • CH172812A - Pump for pumping concrete or similar material. : de en
  • PL20480B1 - Glass lamp for colored light. : en pl
  • SU39123A1 - Adaptation to steam superheaters located in fire or smoke tubes to increase heat absorption from the gas flow. : en ru
  • PL20475B1 - Lounges on wheels, easily adaptable to anti-aircraft fire. : en pl
  • CA345668A - Screw thread tap : en fr
  • DK49462C - Signal device for Road crossings at single- and double-track Lanes. : da en
  • FR772611A - Device allowing to blind leaks at the joints of the pipes without dislodging the latter : en fr
  • SU39072A1 - Paper Storage Device : en ru
  • SU39619A1 - Light signal : en ru
  • CA345629A - Alloy : en fr
  • SU39205A1 - Square to mark the movement of trains on the railway schedule : en ru
  • FR772517A - Advanced sprayer-sprayer : en fr
  • GB418707A - Multi-channel carrier transmission system designed more particularly for cable circuits : en
  • SU39631A1 - Wool waste cleaning machine : en ru
  • US1978544A - Cooking equipment : en
  • US1978791A - Chromium plating of type : en
  • US1978538A - Machine for use in the manufacture of boots and shoes : en
  • SU39333A1 - Stamping machine for making seamless dental crowns : en ru
  • US1978457A - Hose carrier for truck tanks : en
  • CH172960A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • CH172925A - Process for producing the shrink or press connection between wheel bodies and wheel tires on wheelsets for rail vehicles. : de en
  • DE605062C - Incandescent lamp screw socket with a flexible contact part : de en
  • GB418733A - Improvements in or relating to rock-drills and like tools : en
  • GB418645A - Improvements in arc welding apparatus : en
  • GB418700A - Improvements in or relating to belt pulleys or the like : en
  • US1978924A - Method of and means for cutting gears : en
  • CH172635A - Glue ring tape for fruit trees or the like. : de en
  • CH172791A - Pneumatic vibrator. : en fr
  • CH172734A - Process for the production of a new vat dye. : de en
  • CH172869A - Investment material for dental purposes. : de en
  • GB418777A - Improvements in and relating to epicyclic variable speed transmission mechanism : en
  • GB419135A - Improvements in or relating to fluid pumps and motors : en
  • CH172809A - Device for the production of fruit juices. : de en
  • ES135072A1 - A method of manufacturing a product of rubber, rubber, rubber, etc., coated on one or both sides of knitted fabrics for the manufacture of belts, corsets, adjusters, and so on. : en es
  • GB418828A - Improvements in or relating to gasfilled triodes, tetrodes, pentodes and the like : en
  • GB418919A - Improvement in pickling compounds : en
  • DE604964C - Stick to support slim workpieces during cylindrical grinding : de en
  • FR772666A - Direction change signaling device for vehicles powered by an internal combustion engine : en fr
  • CH172900A - Lids on packaging items, in particular barrels made of peeled, plywood and Forssman wood. : de en
  • DE604906C - Device for tensioning and locking, especially the wire ends of a metal tire for packages : de en
  • FR772677A - Assembly for the control of electrical lines of signaling devices : en fr
  • SU39075A1 - Filtration rate regulator : en ru
  • US1978506A - Catalytic oxidation of organic compounds and catalyst therefor : en
  • US1979178A - Shower pipe for suction rolls : en
  • SU39304A1 - Dust separator in pipelines : en ru
  • CH172698A - Metal bobbin case for automatic looms. : de en
  • SU39107A1 - The method of obtaining antipyrine : en ru
  • SU39281A1 - Method of making electrical conductors : en ru
  • SU39464A1 - Pneumatic device for transporting grain in sorts : en ru
  • SU39468A1 - Apparatus for animating greny : en ru
  • US1978598A - Synthetic resin and method of producing : en
  • CA345580A - Drain cleaner : en fr
  • SU39660A1 - The method of soldering natural acid-resistant stones : en ru
  • SU39703A1 - The method of extracting juice from sugar beet : en ru
  • BE405405A - : en fr
  • CA345694A - Rubber thread manufacture : en fr
  • PL20569B1 - : en pl
  • US1978560A - Portable superheater : en
  • CA345726A - Signalling system : en fr
  • SU39216A1 - Telegraph device : en ru
  • SU39285A1 - A method of manufacturing electrodes for resistance electric welding : en ru
  • SU39593A1 - The method of manufacture of chambers of pneumatic tires : en ru
  • US1978778A - Typewriter eraser : en
  • US1978649A - Bus bar and bushing connection : en
  • BE405336A - Lighting installation. : en fr
  • CH172692A - Double twist spindle. : en fr
  • SU39139A1 - Device for the production of colored fly-leaves : en ru
  • SU39312A1 - Method for trapping volatile constituents from gases in a scrubber without packing : en ru
  • SU39404A1 - Mobile table to the microscope : en ru
  • US1979047A - Drawing instrument : en
  • ES135416A1 - Improvements in the construction of afustes for cannons or machine guns. : en es
  • AU1464533A - Improvements in ignition coils for internal combustion engines : en
  • SU39231A1 - Wiring device : en ru
  • US1978891A - Method of electrical resistance flash welding : en
  • US1979089A - Cup dropping machine : en
  • SU39555A1 - Device for optical alignment of images in cinematographic apparatus : en ru
  • SU39041A1 - Method for producing biochemical comorious yeast protein : en ru
  • SU39045A1 - Method of rolling hollow rails : en ru
  • SU39121A1 - Section of horizontal water-tube boiler : en ru
  • CA345643A - Electric control system : en fr
  • GB418682A - Improvements connected with the packing of prepared vegetables, salads or the like : en
  • GB418684A - Improvements in observation mirrors for use on vehicles : en
  • PL20505B1 - A device for coal-dust furnaces. : en pl
  • SU39620A1 - Lights and signal : en ru
  • US1978817A - Mercury switch : en
  • US1978893A - Tabulating machine : en
  • SU39505A1 - The method of electrolytic painting of metals : en ru
  • SU39615A1 - Device for signaling the onset of emergency operation, taken into account with a dial gauge : en ru
  • US1978936A - Switch : en
  • US1978949A - Process for production of diphenylol-propane : en
  • SU39680A1 - Fastening buckets to the conveyor belt : en ru
  • SU39106A1 - Method for preparing mercaptobenzthiazole disulfide : en ru
  • SU39210A1 - Device for powering a single-phase AC motor for a brushless motor : en ru
  • CH172653A - Security cylinder lock. : de en
  • FR772656A - Improvements to ampoules or discharge tubes : en fr
  • SU39071A1 - Book binding : en ru
  • SU39228A1 - Device for receiving wireless telegraph signals : en ru
  • US1979080A - Transmission gearing : en
  • US1979196A - Electric switch with position indicating means : en
  • CH172892A - Device for generating an advertising effect. : de en
  • DE604909C - Process for rolling tubes on pilgrim step rolling mills : de en
  • SU39272A1 - Method for detecting breakdown of insulation or short-circuit of coils of electric coils : en ru
  • US1978412A - Method of and mechanism for knitting runproof or run-resistant full fashioned hosiery : en
  • US1979014A - Oil gun : en
  • AU1595134A - Improvements in or relating to baking processes : en
  • SU39552A1 - Fixture for shutter release : en ru
  • DE561791C - Reversible and exchangeable shoe heel patch : de en
  • FR772477A - Box, especially for collars : en fr
  • CA345567A - Ore flotation : en fr
  • CH172656A - Air motor. : en fr
  • CH172881A - Double counter for the separate counting of single and multiple charges in telecommunications systems. : de en
  • DE605009C - Safety device against bicycle theft : de en
  • US1978748A - Two-way mop : en
  • SU39535A1 - Roll for the preparation of paper pulp : en ru
  • CH172695A - Loom for taped goods. : de en
  • SU39141A1 - The printing form for multi-color printing in one print, made in the form of filigree : en ru
  • US1978979A - Color photography with key print : en
  • FR772567A - Coupling of tubes, pipes and bars : en fr
  • GB418789A - Improved method of and means for the recovery of pure metallic magnesium from crude magnesium or magnesiferous materials : en
  • CH172958A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • US1978660A - Carburetor : en
  • PL20506B1 - The method of making bricks. : en pl
  • US1978715A - Rotary web press : en
  • SU39293A1 - The method of making artificial varnish : en ru
  • CA345619A - Grain binder : en fr
  • DE604729C - Portable recorder for amounts and types of goods : de en
  • DE605053C - Process for the production of optical surfaces : de en
  • SU39090A1 - The method of producing ferrosynergide sodium : en ru
  • US1978846A - Apparatus for waving hair : en
  • CA345596A - Strip ticket checking machine : en fr
  • SU39140A1 - Scaler for electrical measuring instruments : en ru
  • US1978542A - Apparatus for making of seamless dress preservers : en
  • US1978684A - Television : en
  • US1978819A - Shaving cabinet : en
  • US1979145A - Process of producing polynaphthyl ethers : en
  • CA345635A - Thermionic cathode : en fr
  • CA345702A - Fluid or gas straining apparatus : en fr
  • CH172758A - Ball for games. : en fr
  • AU1706034A - Improvements inthe firing of boilers : en
  • CA345712A - Thermionic tube : en fr
  • CH172643A - Device for removing pebbles, gravel and sand from hydraulic channels. : en fr
  • US1979046A - Process and apparatus for recovering and processing by-products at a coal distillation plant : en
  • SU39369A1 - Hydraulic or pneumatic jack for placing carts on rails : en ru
  • SU39545A1 - Multiplier cassette for a photographic camera : en ru
  • CH172957A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • SU39450A1 - A device for indicating the distance traveled by a locomotive or electric locomotive : en ru
  • US1978938A - Eliminator : en
  • SU39604A1 - Tool for pressing the rail onto the board : en ru
  • US1979133A - Cross rolling machine : en
  • DE604827C - Handle device for attaching various floor cleaning tools : de en
  • GB418797A - Improvements in or relating to indirectly heated cathodes for electron discharge tubes : en
  • CH172891A - Apparatus for advertising and signage. : en fr
  • SU39430A1 - Vibration machine for the initiation of artificial vibrations, etc. : en ru
  • SU39607A1 - Disruptive cartridge : en ru
  • US1978602A - Incinerator : en
  • US1978792A - Aqueous treatment of artificial silk : en
  • SU39360A1 - A device for serving public canteens : en ru
  • CA345739A - Free-wheeling device : en fr
  • CH172932A - Rectifier system for the connection of direct current motors to a single-phase network, especially for a rectifier locomotive with a transformer. : de en
  • PL20534B1 - A device for automatic regulation of film exposure in cameras. : en pl
  • SU39642A1 - Attraction : en ru
  • DE605024C - Boiler stove made of concrete with iron inserts : de en
  • AU1806934A - Improvements in or relating toa method of irradiating substance by means of ultraviolet rays : en
  • CA345564A - Alloy steel casting : en fr
  • CA345630A - Alloy : en fr
  • FR772588A - Device used to maintain a constant level on the output side of an amplifier : en fr
  • US1978541A - Holder for toilet sticks or the like : en
  • AU1678234A - Improvements in or relating tothe manufacture of goods of rubber or similar material : en
  • DE605036C - Process for the production of aqueous lignin dispersions particularly suitable for tanning : de en
  • DE605058C - Vibrating sieve with the sieve frame cantilevered and driven by an unbalanced oscillating weight or the like : de en
  • US1978830A - Trolley wire device : en
  • CH172799A - Friction clutch, in particular for work machines and gears. : de en
  • US1978562A - Treatment of hydrocarbon oils : en
  • DE604880C - Process for the production of plate capacitors, in particular rotary capacitors : de en
  • FR772520A - Showcase for the exhibition of foodstuffs or other perishable substances : en fr
  • GB419449A - Improvements in or relating to radio transformers : en
  • SU39109A1 - Method of cleansing papaverine : en ru
  • US1978912A - Belt : en
  • US1979079A - Sorting apparatus : en
  • FR772607A - Closing system for boxes or cases of all shapes intended to contain condiments or other products : en fr
  • PL20482B1 - Hygiene clothing. : en pl
  • SU39227A1 - Radio receiver : en ru
  • SU39254A1 - A device for preventing the pouring of lance converter : en ru
  • US1978810A - Hydraulic apparatus : en
  • CH172767A - Lock for firearms with a set trigger. : de en
  • SU39273A1 - Device for the automatic pumping out of flasks of electric lamps : en ru
  • SU39707A1 - Hydraulic press for the manufacture of lead pipes by extruding molten lead through an annular matrix : en ru
  • US1979109A - Valve : en
  • US1979187A - Catalytic treatment of organic and inorganic substances : en
  • CH172737A - Process for making a lubricating oil improver. : de en
  • SU39419A1 - Projection device for light and color effects. : en ru
  • SU39197A1 - Device for signaling the incision of a hydraulically centralized arrow : en ru
  • SU39300A1 - Shaft furnace for burning peat : en ru
  • SU39336A1 - Instrument for determining the individual characteristics of the structure and articulation of the jaws : en ru
  • US1978518A - Method of combustion : en
  • ES135544A1 - PROCEDURE FOR PRODUCING WHITENING LAYERS FOR VARIOUS COLOR PHOTOCOPIES AND ESPECIALLY VARIOUS COLOR PHOTOCOPIES : en es
  • FR772657A - : fr
  • SU39186A1 - Air distributor for automatic rail brakes : en ru
  • USD93753S - Design for a soap dispenser : en
  • SU39618A1 - Sound detection device : en ru
  • USD93741S - Design for a lamp shade : en
  • SU39058A1 - The method of obtaining washing powder : en ru
  • SU39662A1 - Method of making lining of shaft furnaces : en ru
  • US1979234A - Hopper car : en
  • CH172702A - Ironing board. : de en
  • SU39646A1 - Paper airplane model : en ru
  • CH172776A - Electrodynamic loudspeaker. : de en
  • CA345640A - Electric discharge lamp : en fr
  • CA345674A - Mixed cellulose ester : en fr
  • SU39672A1 - Clarke Spade Guide Tool : en ru
  • CA345633A - Radio receiving system : en fr
  • CH172645A - Cobblestone. : de en
  • CA345565A - Fish filleting machine : en fr
  • ES134679A1 - A procedure to carry out industrial alcoholic fermentation, in order to increase the yield in alcohol. : en es
  • GB418610A - Improvements relating to hand cranks for wringers : en
  • PL20554B1 - Device for securing vaults and other rooms against burglary. : en pl
  • SU39093A1 - Method of desilicating alkali aluminate solutions : en ru
  • CH172824A - Apparatus for the mixed supply of an explosion engine with light fuel and heavy fuel. : en fr
  • SU39343A1 - Suha Medical Bank : en ru
  • US1978727A - Paint : en
  • US1978620A - Sheet material and method of making the same : en
  • PL20496B1 - Interchangeable barrel for self-reloading firearms used for practice firing and a cartridge for this purpose. : en pl
  • BE405085A - Process for obtaining dye products by transformation of azo dyestuffs. : en fr
  • SU39176A1 - Wheel for railway carts : en ru
  • US1978752A - Suspension frame : en
  • US1979115A - Combined pipe cleaner and ash receiver : en
  • CH172710A - Running part on ski boots. : de en
  • SU39398A1 - Gas analyzer : en ru
  • US1978995A - Animal trap : en
  • SU39096A1 - The method of purification of benzene and its fractions from thiophene : en ru
  • SU39485A1 - Method of using exhaust heat of internal combustion engines : en ru
  • SU39658A1 - The method of manufacturing fireclay refractory bricks and the like fireclay products : en ru
  • US1978737A - Solenoid : en
  • US1979235A - Car truck : en
  • AU1743734A - Improvements in liquid filters : en
  • CH172670A - Device for applying liquids to floors, linoleum coverings and the like to be carried out by means of a handle for the purpose of treating the latter. : de en
  • CH172834A - Steam generator in which the working medium is fed to one end of at least one pipe string as feed liquid and is withdrawn as superheated steam at the other end. : de en
  • CH172632A - Rakes, especially for use in gardens. : de en
  • DE586944C - Reversible and exchangeable shoe heel patch : de en
  • GB418609A - Improvements in or relating to a method of and means for manufacturing strips of belt lacing hooks : en
  • GB418636A - Heating of motor vehicles : en
  • GB418776A - Improvements in or relating to latch gear for folding wing aircraft : en
  • GB418894A - Improvements in and relating to methods of treating acid solutions : en
  • PL20556B1 - Method and device for regulating the flame in liquid fuel burners. : en pl
  • AU1719134A - Improvements in and relating to tentering machines for use in the treatment of fabric : en
  • CA345595A - Cellulose derivative viscosity reducing process : en fr
  • CH172937A - Method of insulating buildings. : de en
  • US1978519A - Roofing construction : en
  • ES135520A1 - A new procedure to wrap oranges and other fruits mechanically. : en es
  • FR772411A - Improvements in the detection of weak electric currents : en fr
  • FR772604A - Method and apparatus for remaking grooves on used vehicle rubber tires : en fr
  • GB418652A - Method and device for insulating electrical conductors : en
  • CH172729A - Process for the production of a new azo dye. : de en
  • SU39466A1 - Heat insulation : en ru
  • US1979060A - Clutch : en
  • SU39148A1 - Method of blast smelting : en ru
  • US1979179A - Metal spraying apparatus : en
  • SU39534A1 - Method for producing kraft cellulose from cereal straw : en ru
  • SU39157A1 - Trolley for transporting rails and railway sleepers to the place of laying : en ru
  • SU39477A1 - Internal combustion engine : en ru
  • CH172777A - Photographic sound recording on endless film tape. : de en
  • CH172677A - Spring mattress. : de en
  • DE1316825U - : de en
  • FR772466A - Improvements to appliances used for dyeing, washing, etc. : en fr
  • GB418625A - Improvements in or relating to coupling devices for use in connection with scaffolding and the like : en
  • CH172743A - Process for treating parts of aluminum or aluminum alloys with a view to making them suitable for receiving adherent metal coatings by electroplating. : en fr
  • SU39032A1 - Method of enrichment of olefaceous brown iron : en ru
  • SU39449A1 - Trigonometer : en ru
  • DE604732C - Process for the production of hollow, seamless turbine blades : de en
  • DE604939C - Mercury vapor rectifier with a ring-shaped cathode insulator made of ceramic material : de en
  • CA345574A - Leaf spring : en fr
  • CA345594A - Carbonyl compound and alcohol : en fr
  • SU39420A1 - Device for microscopic examination of tissues of a living organism : en ru
  • US1978545A - Method of making leather : en
  • US1978661A - Wireless receiving device : en
  • US1979021A - Control apparatus for liquid fuel burners : en
  • US1979118A - Coal stoker : en
  • SU39565A1 - Film projector fire extinguisher : en ru
  • US1978765A - Centrifugal casting machine and method of casting : en
  • US1978942A - Ice cream dipper : en
  • ES134827A1 - New procedure for manufacturing devices to hold the handles to the brushes. : en es
  • GB418939A - An improved method for the separation of mixtures of liquid and solid constituents : en
  • CH172706A - Holder for ties. : de en
  • FR772431A - Process for the production of chlorine rubber : en fr
  • FR772471A - Transformer for converting three-phase current to two- or four-phase current : en fr
  • SU39178A1 - Automatic rolling train coupling : en ru
  • ES134447A1 - Procedure for the manufacture of an article to combat harmful insects. : en es
  • ES135018A1 - Improvements in the construction of terminal blocks for electric meters of all kinds. : en es
  • ES135460A1 - Improvements in the construction of vibrant sieves or sieves. : en es
  • FR772537A - Sharpening device : en fr
  • GB418678A - Improvements in electromagnetic pickups : en
  • GB418868A - Improvements in or relating to grinding or abrading machines : en
  • SU39434A1 - Instrument for determining the coefficient of friction in holders and bearings : en ru
  • CA345680A - Tubular glass article manufacture : en fr
  • CH172883A - Shockproof series resistor for mains-powered radio receivers. : de en
  • GB418637A - Regulating device for dynamo electric machines : en
  • ES135419A1 - An apparatus for copying lenticular lattice films. : en es
  • ES135285A1 - An improved process, and its corresponding special machine, for cutting paper and other similar materials. : en es
  • US1978476A - Movable, constant-orientation mapboard : en
  • ES134914A1 - IMPROVEMENTS IN PORTABLE WATER SWEETERS : en es
  • SU39136A1 - Hand stamp : en ru
  • SU39280A1 - Method of making material for magnetic cores : en ru
  • CA345713A - Cathode ray oscillograph : en fr
  • ES135109A1 - PROCEDURE FOR THE MANUFACTURE OF CUPS FROM WHICH CARTRIDGE SHEATHS AND PROJECTILE COVERS ARE MADE BY COLD EMBUIDING : en es
  • PL20501B1 - A method of catalytic splitting of hydrocarbons. : en pl
  • SU39666A1 - Molding device to rotary machines for forming and packing doughy mass : en ru
  • US1978479A - Breaker-point dresser : en
  • CA345727A - Signalling system : en fr
  • SU39269A1 - Device for visual observation of the operation of various electromagnetic mechanisms : en ru
  • DE604828C - Isolation vessel : de en
  • CH172676A - Blanket. : de en
  • CH172679A - Adjustable seating and reclining furniture. : de en
  • CH172816A - Two-stroke carburetor engine with crank chamber scavenging pump. : de en
  • SU39164A1 - Fixture for securing monorail airway beams : en ru
  • GB418846A - Improvements in products for dyeing, washing and cleansing purposes : en
  • GB418872A - Improvements in vanity cases : en
  • GB418956A - Improvements in self-feeding brushes : en
  • CH172913A - Equipment on automobiles, which by means of a door in the rear wall and removable rear seat cushions are also set up for the transport of luggage and goods, to protect the inner walls of the body from damage and soiling. : de en
  • ES135393A1 - Machine for placing funds and lids on hollow bodies already made of paper, cardboard and similar materials. : en es
  • GB418811A - Improvements relating to means for eliminating parasitical oscillations in radio-electric reception : en
  • FR772689A - Incombustible material : en fr
  • ES135549A1 - Improvements in the molding machines for plastic substances. : en es
  • SU39671A1 - Mechanical shovel : en ru
  • CA345677A - Refrigerated beverage dispenser : en fr
  • CH172642A - Retaining wall and method and device for its manufacture. : de en
  • PL20571B1 - A method of improving hydrocarbon products. : en pl
  • SU39564A1 - Frame for film slides : en ru
  • DK49459C - Device for Remote Control of Switches and the like. : da en
  • DK49463C - Device for Telephone Systems for Receiving AC Pulses. : da en
  • ES135476A1 - Electrical installation to automatically activate the closing and opening of the level crossings. : en es
  • US1978883A - Ornament and method of making the same : en
  • ES134889A3 - Continuous diffusion procedure for the depletion of fruit pulps and their analogues. : en es
  • GB418791A - Means for locking the bonnets of motor vehicles : en
  • FR772544A - Lamp holder for fitting a vase or other hollow and translucent object into an electric lighting device : en fr
  • GB418823A - Improvements in or relating to shoe inseam sewing machines : en
  • GB418778A - Improvements in means for modifying the transmitted light in moving lens cinematograph machines : en
  • GB418893A - Improvements in shears for cutting metal plates : en
  • GB418937A - Improvements in and relating to strip index devices : en
  • ES134890A1 - An improved process for shaping glass sheets and means to make it. : en es
  • ES135483A1 - A process for making artificial sponge in the form of plates. : en es
  • GB418918A - Improvements in or relating to electric fuses : en
  • DE604955C - Holding device for the retractable press frame on fruit juice presses : de en
  • SU39677A1 - Scraper conveyor : en ru
  • GB419065A - Improvements relating to projection apparatus primarily for advertising : en
  • DE604974C - Classifying or sorting sieve or grate made of rods or wires : de en
  • ES135405A1 - A PROCEDURE FOR THE MANUFACTURE OF HIGHLY VISCOSE PRODUCTS : en es
  • US1978917A - Sewing machine : en
  • US1978983A - Stapling machine : en
  • FR772693A - Altimeter : en fr
  • DE604981C - Heat exchange device, the wall of which separating the heat exchange means is enlarged by ribs : de en
  • ES135386A1 - Procedure for the manufacture of blocks or tablets for the ironing of fabrics. : en es
  • DK49454C - With devices for adjusting the forming and supporting rollers and the bands, a machine for cladding metal pipes is provided with a cement layer by helical application. : da en
  • DE605022C - Floor covering made of two rubber layers that can be laid on a base : de en
  • DE604917C - Process for the manufacture of silica stones : de en
  • DE604842C - Rotary kiln plant : de en
  • US1978814A - Shaft coupling : en
  • FR772572A - Device intended for the automatic entry and exit of coins in billiard games, vending machines and other uses : en fr
  • DE604973C - Light-sensitive layer, especially for photography and reproduction : de en
  • USRE19353E - Wheel : en
  • US1978994A - Protective helmet : en
  • SU39125A1 - Blade for revolving steam engines : en ru
  • FR772415A - Process for preparing a product based on soap and glue : en fr
  • GB418837A - Improvements in or relating to line-casting fishing reels : en
  • SU39456A1 - Squared for square and chess sowing with nested valve-type apparatuses : en ru
  • AU1731334A - Improvements in or relating to multiple way cocks with axially movable cylindrical distribution, more particularly adapted for machines forthe preparation of express coffee : en
  • CH172637A - Roof covering made of bricks provided with protective ribs. : de en
  • FR772401A - Automatic cutting pattern plotter : en fr
  • FR772453A - Improvements to motive power production facilities : en fr
  • PL20538B1 - A device for exchanging data. : en pl
  • SU39492A1 - Oiler : en ru
  • US1978564A - Brake drum : en
  • FR772535A - Installation of burners for liquid fuel with at least two burners in operation simultaneously : en fr
  • CH172919A - Process for the production of bicycle frames with frame tubes made of light metal and bicycle frames produced by this process. : de en
  • BE405293A - : en fr
  • SU39245A1 - Device for transmitting operating signal or similar current pulses over a distance : en ru
  • SU39577A1 - Device for adjusting the exposure time or copying photographic prints : en ru
  • US1978446A - Heterodyne system : en
  • US1978604A - Radiator core : en
  • US1979023A - Gauge for chaser grinding : en
  • US1979024A - Screw threading die : en
  • SU39047A1 - Hydraulic stamp : en ru
  • US1978652A - Earring : en
  • CH172726A - Process for the preparation of an oxypyrene. : de en
  • SU39621A1 - Device for automatic painting of dishes, etc. spraying through stencils : en ru
  • CH172907A - Drive block assembly for automobiles. : de en
  • CH172962A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • DE605073C - Method for the preparation of a highly effective glucoside from Helleborus niger, L. : de en
  • SU39322A1 - Dental mirror heating device : en ru
  • US1978430A - Flange forming machine : en
  • US1978767A - Bumper attachment : en
  • PL20490B1 - The method of storing energy in storage tanks of thermal systems connected with a heat engine, compressor and pumps. : en pl
  • PL20555B1 - : en pl
  • SU39222A1 - Coupling device for automatic telephone exchanges : en ru
  • US1979026A - Telegraph system : en
  • US1978712A - Honing tool : en
  • SU39048A1 - Layout tool for serial die dies : en ru
  • CA345626A - Fire extinguisher and alarm apparatus : en fr
  • CH172780A - Method for producing an alkaline earth metal-aluminum alloy. : de en
  • CH172971A - Circuit for relays in AC circuits. : de en
  • CA345598A - Railway communication system : en fr
  • DE605013C - Device for immersing plastic masses, in particular concrete, in molds : de en
  • SU39100A1 - The method of producing alkoxy derivatives of divinyl and its monosubstituted : en ru
  • SU39566A1 - An apparatus for producing combined films : en ru
  • SU39589A1 - Towndem Ring Fairing for Torx Motors : en ru
  • SU39602A1 - Vice for strengthening of cutting dies with sets when grinding intake parts : en ru
  • SU39650A1 - A method of making incendiary mass for matches : en ru
  • SU39525A1 - Grab attachment to sewing machines to form weave of needle and bottom threads : en ru
  • SU39247A1 - Device for starting short-circuited asynchronous motors : en ru
  • SU39422A1 - Reflectometer : en ru
  • US1978549A - Shoe material : en
  • GB418876A - Improvements relating to the arrangements of fuel sprayers in and combustion chambers of internal combustion engines : en
  • SU39560A1 - Mechanism for pulling films without perforations : en ru
  • SU39233A1 - Vernier device : en ru
  • USD93732S - Design for a crinkle surface nail file : en
  • PL20546B1 - A method of producing collector cutouts and a device for using this method. : en pl
  • PL20515B1 - : en pl
  • SU39279A1 - A device for determining in boreholes the nature, thickness, state of the formations and the boundaries between them : en ru
  • US1978985A - Method of making flashless molded articles : en
  • US1979041A - Fire apparatus : en
  • BE405390A - Process for producing damping cages in electric machines with cylindrical rotors : en fr
  • CH172870A - Safety goggles. : de en
  • SU39242A1 - Device for gripping the cable when it is laid on the line : en ru
  • US1978676A - Soluble ink fountain pen : en
  • SU39353A1 - The method of obtaining calibrated holes, for example, in drawing glasses : en ru
  • AU1489433A - An improved safety barrier for railway stations andthe like : en
  • CH172650A - Process for improving binders, in particular hydraulic binders. : de en
  • US1979138A - Pneumatic conveyer : en
  • SU39110A1 - Method for preserving the milky juice flowing from poppy heads : en ru
  • GB419144A - Improvements in or relating to drying and finishing textile fabrics : en
  • CH172663A - Stove that can be heated with petroleum or other liquid fuels. : de en
  • CA345583A - Ophthalmic mounting : en fr
  • SU39081A1 - The method of purification of sulfur, which is a waste of production, from impurities of sulfur chloride : en ru
  • SU39653A1 - Method of stuffing sleeves with tobacco and cigarette machine : en ru
  • FR772523A - Polyphase dispersion transformer : en fr
  • FR772590A - Tubular elbow for transporting materials : en fr
  • GB418643A - Improvements in buckles or slides for suspender bands, brace webbing and other bands or the like : en
  • ES135548A1 - PROCEDURE FOR THE MANUFACTURE OF SEAMLESS TUBES : en es
  • GB418836A - Improvements in and relating to pneumatically-loaded hydraulic accumulators : en
  • GB418805A - Improvements relating to the manufacture of rugs, carpets and pile fabrics : en
  • GB418917A - Improvements in and relating to control systems for electric motors : en
  • US1978493A - Vacuum printing element holder : en
  • US1978740A - Method of manufacturing can bodies : en
  • DE605085C - Explosion-proof switch for electric hand lamps : de en
  • ES135482A1 - A clutch procedure applicable to shin and coil machines, especially the so-called cops. : en es
  • ES135335A1 - Procedure for the manufacture of charcoal tablets. : en es
  • SU39288A1 - The method of obtaining the product of the oxidation of dibenzantron : en ru
  • GB418606A - Improvements in mats : en
  • SU39328A1 - Trepan : en ru
  • DK49447C - Automatic firearm for firing both with normal ammunition and with practice ammunition of smaller caliber. : da en
  • FR772594A - Elastic thrust and reaction device for motor vehicle rear axles : en fr
  • ES135218A1 - IMPROVEMENTS IN FILM HANDLING MACHINES : en es
  • ES135355A1 - A process for making articles of or containing spongy or cellular rubber. : en es
  • US1978482A - Detector system : en
  • FR772624A - Improvements concerning the articulation of the box elements by means of jumpers linked together : en fr
  • FR772687A - Closed circuit heating system with counterflow water drive : en fr
  • FR772695A - Improvements in sorting dry materials : en fr
  • GB418696A - Method and device for measuring values which can be represented by linear extensions : en
  • DE604788C - Relief valve for remote control of vehicle shock absorbers : de en
  • CH172876A - Compteur horaire automatique pour mark la durée de vol d'un avion. : de en fr
  • SU39076A1 - The method of preparation of filter surfaces : en ru
  • SU39277A1 - Electrohydrotherapy Device : en ru
  • ES135377A1 - A machine for spreading liquid coating compositions, especially aqueous dispersions of gum and the like. : en es
  • FR772440A - Aviation and artillery observation instrument : en fr
  • FR772444A - Marble and artificial stones and process for their manufacture : en fr
  • FR772658A - Winder drum : en fr
  • DE605027C - Smoldering furnace : de en
  • PL20533B1 - The surface treatment of workpieces is made of zinc or iron. : en pl
  • SU39375A1 - Adaptation to steam heat exchangers for the release of air evolving during steam condensation : en ru
  • US1978989A - Seam protecting device for cloth shearing machines : en
  • DE605007C - Trailer coupling connected to an automatic overrun brake, especially for trailers of motor vehicles : de en
  • PL20568B1 - Method of removing iron from acidic aluminum salt solutions. : en pl
  • AU1481633A - Improvements in or relating to thermionic amplifiers : en
  • SU39091A1 - The method of obtaining potassium nitrate from ammonium nitrate and potassium chloride : en ru
  • US1978624A - Primary cell : en
  • US1978766A - Knitted cap : en
  • US1978952A - Device for tabulating machines : en
  • US1979039A - Building : en
  • CA345743A - Filament, thread or ribbon production : en fr
  • CH172821A - Device with an electromagnetically controlled valve, especially for machines with internal combustion like the diesel process. : de en
  • CA345607A - Locomotive boiler : en fr
  • CA345608A - Container : en fr
  • GB418854A - Improvements relating to vices : en
  • CA345570A - Refuse furnace joint : en fr
  • CA345740A - Motor operated door control : en fr
  • CH172712A - Method and machine for fastening soles to shoes by means of an adhesive. : de en
  • CA345653A - Radio transmission system : en fr
  • CH172918A - Direction indicators, in particular for bicycles and motorcycles. : de en
  • DE599581C - Process for the production of waxes and waxy substances : de en
  • SU39402A1 - Sliding caliber : en ru
  • US1978887A - Folding extension rule : en
  • US1979167A - Flue cleaner : en
  • PL20492B1 - Electrode de liquid heater. : en pl
  • ES135447A3 - A procedure to improve lead. : en es
  • FR772675A - Curtains with retractable elements : en fr
  • CA345703A - Ore concentration : en fr
  • CA345735A - Strand reeling machine : en fr
  • US1978407A - Fabric : en
  • US1979037A - Dynamic multiplier : en
  • CH172820A - Reversal for ship propulsion engines, in particular diesel engines, on ships equipped with a 7aschinentelegraph. : de en
  • SU39454A1 - Device for seed dressing : en ru
  • SU39022A1 - Mechanical classifier rack type : en ru
  • SU39307A1 - A device for automatically shutting down the system when a thread breaks or is tightened on a Tompkins machine : en ru
  • CA345623A - Tobacco stemming machine : en fr
  • FR772409A - Process for the manufacture of hard bodies intended for the constitution of cutting tools and equipment for its implementation : en fr
  • FR772499A - Improvements to pressure glass molding machines : en fr
  • DE604849C - Circuit for total current generation : de en
  • DE604905C - Process for the production of lightweight building materials : de en
  • SU39352A1 - Centrifugal method of pouring bearing inserts : en ru
  • SU39374A1 - Water tube boiler for central heating systems : en ru
  • US1978638A - Film retaining means : en
  • USRE19357E - Gearing fob washing machines : en
  • US1978770A - Hat and coat hanger : en
  • US1978776A - Machine for welding metallic articles : en
  • SU39557A1 - Stereoscopic Cinematography Apparatus : en ru
  • US1978968A - Corn harvester : en
  • SU39452A1 - Punching device in perforation cards for calculating-analytical machines : en ru
  • SU39694A1 - Regulator for feeding the base to the weaving machine for the manufacture of metal grids : en ru
  • US1978449A - Charging plug : en
  • SU39034A1 - Magnetic Electrostatic Separator : en ru
  • SU39134A1 - Electric typewriter : en ru
  • SU39622A1 - Device for drawing from life : en ru
  • US1978600A - Permeability-tuned resonant circuit : en
  • SU39039A1 - Pillow for sealing devices for pistons of dry gasholders : en ru
  • US1978546A - Air conditioning device : en
  • DE604862C - Process for the production of rail sleepers for points : de en
  • US1978656A - Pressure-cooker valve : en
  • US1978780A - Leer loader : en
  • US1979144A - Production of polynaphthyl ethers : en
  • USD93726S - Design fob a badge or similar article : en
  • DE605043C - Electric sound recorder : de en
  • SU39436A1 - Sample suspension pipette : en ru
  • BE405114A - Improvements to automatic train running control devices : en fr
  • US1979086A - Rotary copper-plate printing press : en
  • USD93748S - Design for a lamp shade : en
  • SU39324A1 - Psychotechnical Testing Device : en ru
  • FR772480A - Improvements to hooks for attaching bracelets to watches and the like : en fr
  • ES135359A1 - Improvements introduced in the manufacture of security locks. : en es
  • GB418680A - Device for drilling non circular holes : en
  • GB418936A - Improvements in and relating to means for regulating the current transmission of grid controlled discharge valves : en
  • US1978523A - Electrical apparatus for automotive vehicles : en
  • CH172633A - Water-soluble seed dressing and process for its manufacture. : de en
  • SU39035A1 - Flotation unit : en ru
  • SU39282A1 - Heating resistance for electric ovens : en ru
  • SU39581A1 - Device for shutting down the hydraulic press when the loading box is not left. : en ru
  • SU39648A1 - Device for a mirror ride : en ru
  • US1979005A - Calendar holding means : en
  • US1979158A - Rail chair : en
  • US1979172A - Rip strip key and attaching means for containers : en
  • SU39030A1 - Drum Electromagnetic Separator : en ru
  • SU39150A1 - A device for sucking metal out of a m : en ru
  • SU39617A1 - Guiding sound to the engine whistle : en ru
  • US1978639A - Heat reclaimer : en
  • US1978974A - Disk brake : en
  • US1979183A - Telephone receiver and transmitter assembly : en
  • CH172688A - Electric hot water heater for the production of hot beverages, such as B. Coffee. : de en
  • CH172804A - Change gear with infinitely variable transmission ratio. : de en
  • CH172755A - Ink pens for writing and drawing pens. : de en
  • ES135105A1 - IMPROVEMENTS IN THE ELECTROLYTIC VESSELS WITH CONTINUOUS ANODES FOR THE PRODUCTION OF ALUMINUM : en es
  • GB419060A - Improvements in machines for wrapping and banding cigars and like articles : en
  • PL20543B1 - A device for photos and reproductions on rolled sheets. : en pl
  • US1979061A - Acid ortho-hydroxy azo dyestuffs capable of being chromed : en
  • CH172733A - Process for the production of a new, green sulfur dye. : de en
  • GB419136A - Improvements in apparatus for medical treatment with electrical oscillations of very high frequency : en
  • CH172673A - Flower stick frame to be attached to window sills, balcony parapets, etc. : de en
  • CH172771A - Pressure measuring device. : en fr
  • CH172921A - Vehicle hub with internal brake. : de en
  • CH172805A - Mechanism for triggering a movable member subjected to a high return force. : en fr
  • CA345672A - Cellulose ester : en fr
  • SU39116A1 - The method of obtaining the condensation products of phenols with aldehydes : en ru
  • SU39500A1 - Gear gear for variable angle intersecting shafts : en ru
  • US1978958A - Spud for toilet bowls : en
  • CA345621A - Cigarette machine feed : en fr
  • CH172787A - Drive device for grindstones. : de en
  • FR772467A - Torpedo without wake : en fr
  • CH172640A - Rigid blinds. : de en
  • CH172725A - Process for the preparation of polymeric vinyl alcohol. : de en
  • PL20467B1 - A method and device for the direct conversion of the potential gas pressure energy of a medium into mechanical work or, on the principle of reversibility, of mechanical work into the potential pressure energy of this medium by means of compression and the use of this device for combustion turbines. : en pl
  • SU39384A1 - Method of making finely porous technical rubber : en ru
  • CH172950A - Process for the preparation of 5-bromo-4,7-dimethylisatin-a-chloride. : de en
  • DE604902C - Lock with a bolt drive that remains permanently in the housing : de en
  • CH172662A - Electric devices for cooking, frying or baking. : de en
  • US1979225A - Means and method of measuring distance : en
  • US1978516A - X-ray target : en
  • US1978694A - Folding automobile top : en
  • US1979009A - End wall for refrigerator cars : en
  • US1978633A - Wiper blade : en
  • CH172819A - Control device on gas engines. : de en
  • CH172973A - Electromagnetic operating time controller. : de en
  • FR772659A - Camera with automatic aperture : en fr
  • BE405401A - Cinematographic film suitable for projecting images in natural colors : en fr
  • SU39592A1 - Device for self-shifting automobiles when slipping the drive wheels : en ru
  • PL20527B1 - A device for moving a mechanical loom. : en pl
  • SU39367A1 - Bridge crane : en ru
  • SU39486A1 - Power installation using the difference of water temperature over ice and atmospheric air : en ru
  • US1978847A - Rotary jar : en
  • AU1718734A - Improved production of finely distributed copper compounds : en
  • DE605046C - Milking bucket lid : de en
  • DE575546C - Process for the production of a special wort : de en
  • DE604797C - Device for regulating physical processes : de en
  • US1978610A - Lined pressure vessel nozzle : en
  • US1978897A - Tubular heat exchange device : en
  • US1979076A - Liquid-dispensing apparatus : en
  • ES135508A1 - A percussion fuze. : en es
  • FR772529A - Flexible metal molds with telescopic interlocking forming floor formwork : en fr
  • CH172899A - Lids on packaging items, in particular barrels made of peeled, plywood and Forssman wood. : de en
  • ES2583Y - Air chamber of the tires of all kinds of valves. : en es
  • USD93720S - Design for a hand bag frame : en
  • DE604782C - Device on stringed instruments for resilient support or attachment, in particular metal strings : de en
  • DE604873C - Hand stamp : de en
  • CH172731A - Process for the preparation of a dye of the anthraquinone series. : de en
  • ES135350A1 - A procedure to make glassware. : en es
  • FR772661A - False collar and its manufacturing process : en fr
  • US1978532A - Hard rubber handle for knives, forks, or like articles and method of making the same : en
  • US1978808A - Machine for sawing nuts and the like : en
  • US1978838A - Cleaning and polishing machine : en
  • US1979035A - Automatic monitoring system : en
  • DE604908C - Gearbox bearings for watches and like : de en
  • DK49446C - Thermal Torque Switch for Installation in or Mounting on electrically heated cooking and heating appliances, e.g. electric Iron. : da en
  • FR772651A - Snap-action mechanism for tumbler-type switches and the like : en fr
  • GB418692A - Improvements in or connected with winding systems and in or connected with cold storage and delivery plant : en
  • DE605070C - Portable device for plumbers to test the tightness of luminous gas lines : de en
  • SU39098A1 - The method of converting starch benzyl ester to non-meltable and insoluble state : en ru
  • US1978858A - Water gate : en
  • FR772521A - Safety device against overloading of the lifting surfaces of airplanes during flight : en fr
  • GB418962A - A new and improved connecting-piece for the struts or braces of iron frameworks for mines : en
  • SU39533A1 - Pulp mill for pulp and the like : en ru
  • US1979216A - Heat treatment chamber : en
  • USD93700S - Design for a combined christmas : en
  • FR772636A - Device for automatic defrosting of the temperature exchange elements of refrigeration installations : en fr
  • SU39165A1 - Device to prevent the derailment of trolleys of overhead roads when passing them through the pulleys : en ru
  • SU39569A1 - Method of making cranes : en ru
  • US1978815A - Harrow truck : en
  • PL20468B1 - Ring for keeping the liquid flowing down the neck of the bottle, with an advertising inscription. : en pl
  • SU39266A1 - Instrument for indicating the phase sequence : en ru
  • CA345695A - Rubber thread manufacture : en fr
  • DE604810C - Device to achieve a variable, interrupted feed of material webs with a uniform initial movement, for example in rotary printing machines : de en
  • GB418808A - Improvements in or relating to the casting of metals : en
  • SU39179A1 - Suspended brake for railway cars : en ru
  • US1978789A - Apparatus for making color motion pictures and cameras therefor : en
  • CA345690A - Rubber thread manufacture : en fr
  • CH172922A - Gear change mechanism, in particular applicable to a bicycle. : en fr
  • DE604889C - Device for the fixed storage of the tree trunks to be debarked by hand : de en
  • ES135459A3 - Improvements in the construction of screens or vibrating screens. : en es
  • ES2006Y - Sheets of cigarette paper. : en es
  • GB418768A - Improvements in galvanic batteries and containers therefor : en
  • DE604811C - Device for the final folding of a paper or other material web that has been pre-creased after passing through a printing machine : de en
  • DE604865C - Binder : de en
  • ES135509A1 - A selective filtering device for radiation emitting sources. : en es
  • FR772406A - Pouring stopper with adjustable even or threadlike flow : en fr
  • SU39344A1 - Injection syringe : en ru
  • SU39488A1 - Tightening device for cable on grooved pulleys : en ru
  • CA345638A - Electric discharge device : en fr
  • SU39494A1 - Automatic ball valve : en ru
  • DE602803C - Freewheel brake hub : de en
  • SU39498A1 - Cherv Chna transmission : en ru
  • SU39548A1 - Speed indicator for slotted shutter : en ru
  • ES135371A3 - A procedure for obtaining lime tartrate. : en es
  • FR772691A - Improvements to metal cleaning products : en fr
  • US1978444A - Preservation of rubber : en
  • US1978452A - Method of making pipe fittings : en
  • US1978622A - Automatic chock for vehicle lifts : en
  • US1978937A - Cash register : en
  • DE604984C - Anchoring insulator for electrical lines with intermittent tensile loads : de en
  • ES134653A1 - A new method of producing and operating illuminated samples. : en es
  • SU39196A1 - Device for electrical interlocking of arrows and signals : en ru
  • FR772652A - Rotary machine system usable as compressor pump or heat engine : en fr
  • GB419061A - Improvements in or relating to mechanism for carrying or releasing loads from aircraft : en
  • ES135375A1 - A new production system for a light hydrocarbon gas mixture. : en es
  • FR772419A - Fumivorous device : en fr
  • FR772578A - Improvements to return screws for tables or similar : en fr
  • FR772668A - Containers with special closures intended, in particular, for storing foodstuffs : en fr
  • DE605008C - Flexible connection between an engaging and a receiving part, especially for seats in motor vehicles : de en
  • ES135497A1 - A procedure for the manufacture of carpets. : en es
  • FR772491A - Diagram of a protection device comprising rocking resistance relays : en fr
  • ES135430A1 - An installation of hydraulic turbines with a recessed entrance, in which the entrance chamber is mounted in a machine house and the horizontal axis of the turbine forms an angle with the axis moved. : en es
  • DE605083C - A system of clamps pressed into place between the housing jacket and the metal frame body of electrical alternating current machines : de en
  • ES134986A1 - IMPROVEMENTS IN POWDERED ALLOY PREPARATIONS FOR DENTAL AMALGAMS : en es
  • USD93705S - Design fob a cabinet : en
  • USD93752S - Design for a bottle : en
  • CA345662A - Metal vapour lamp : en fr
  • FR772451A - improved straw elevator, especially for low-bed threshers : en fr
  • GB418597A - Method of reducing the permeability of articles and materials : en
  • FR772493A - Process for manufacturing the spindle gears and pinions obtained : en fr
  • GB418698A - Improvements in or relating to rotative wing aircraft : en
  • US1978856A - Filter : en
  • US1978421A - Tape pulling device : en
  • US1978472A - Incinerator : en
  • US1978696A - Ignition apparatus : en
  • ES135528A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • CH172817A - Internal combustion engine. : en fr
  • SU39523A1 - Fork : en ru
  • DE604867C - Process for the O- or C-alkylation of phenols : de en
  • US1978992A - Combined fluid controlling and temperature measuring device : en
  • SU39173A1 - Uniaxial carriage : en ru
  • SU39235A1 - Device for measuring signal strength or interference : en ru
  • DE604839C - Switching arrangement for light intercoms : de en
  • CH172909A - Device for protecting motor vehicles against theft or unauthorized use. : de en
  • GB418858A - Improvements in or relating to lay-figures for garment displays : en
  • GB418814A - Improvements in and relating to spindles for barometers and the like : en
  • GB418965A - Wheel set for rail vehicles having fixed and loose wheels : en
  • DE605014C - Device for stacking metal sheets or plates : de en
  • USD93717S - Design fob a circulation heater : en
  • ES135385A1 - Apparatus for the maneuvering of rolling metal doors. : en es
  • FR772673A - Torque limiter coupling mode : en fr
  • US1978864A - Operating mechanism for feeding apparatus for liquids : en
  • DE605025C - Dump pallet machine : de en
  • US1978951A - Overspeed safety stop mechanism for engines : en
  • US1979189A - Method of gas scrubbing : en
  • US1978461A - Timing axis for cathode ray oscillograph : en
  • US1978928A - Method and apparatus for treating liquids : en
  • SU39188A1 - End valve of air brake main pipe : en ru
  • GB418830A - Improved hook or like device for use in the fastening of wearingapparel : en
  • PL20469B1 - Railway signaling system with track electrical circuit. : en pl
  • SU39608A1 - Artillery bomb d : en ru
  • GB418694A - Improvements in or relating to pliers : en
  • GB418747A - Improvements in devices for transmitting movements from one point to another : en
  • DE604914C - Process for winding bobbins on rayon spinning machines : de en
  • GB418762A - Improvements in or relating to the joining of articles of rubber or the like : en
  • GB418914A - Improvements in screw fastenings : en
  • PL20565B1 - The method of manufacturing metal clips for sliding closures. : en pl
  • US1978972A - Machine for raising areas on printing plates : en
  • USD93718S - Design fob a hand bag frame : en
  • SU39253A1 - Device for automatic start of asynchronous motor : en ru
  • SU39702A1 - Hydro power installation : en ru
  • BE405332A - : en fr
  • CH172703A - Tie straightener. : de en
  • CA345647A - Refrigerating machine condenser : en fr
  • CA345731A - Acoustic device : en fr
  • US1978621A - Process for partial oxidation of hydrocarbons and the like : en
  • USRE19358E - Method of and apparatus fob : en
  • FR772532A - Mobile track on wheels or moving walkway : en fr
  • GB418850A - Improvements relating to electric dry cells : en
  • GB419588A - Process for the manufacture of new reaction products of aliphatic amines : en
  • SU39309A1 - Method of forming a node for viscous network and network machine : en ru
  • SU39649A1 - A device for pushing match strips into stacked match strips : en ru
  • US1978502A - Means for producing movement at a distance by fluid pressure : en
  • US1978834A - Automatic speed changing transmission mechanism : en
  • SU39334A1 - Method of making dental bridges : en ru
  • GB418813A - Improvements in or relating to machines for mounting safety razor blades on a strip or the like : en
  • CH172917A - Road vehicle wheel tire, with device ensuring its adhesion to the ground. : en fr
  • ES135505A1 - PROCEDURE TO RAISE THE WETTING POWER OF MERCHING BLEACH : en es
  • SU39296A1 - Method for separating oil from oilseeds : en ru
  • US1978469A - Refrigerating system : en
  • US1978943A - Ice cream dipper : en
  • SU39183A1 - Automatic air brake for carts : en ru
  • US1978679A - Brake : en
  • US1978910A - Scale : en
  • US1978744A - Power mold filling machine : en
  • PL20537B1 - Method of obtaining high-percentage peroxygen compounds. : en pl
  • CA345571A - Fibrous material digester : en fr
  • CA345730A - Tube and pipe joint : en fr
  • CH172773A - Blade bearings for measuring devices. : de en
  • US1978495A - Medical instrument : en
  • US1978828A - Apparatus for transmitting music by radio : en
  • SU39320A1 - The method of preparation of viscose : en ru
  • US1978573A - Ground coffee machinery : en
  • US1979085A - Thermocouple : en
  • US1979053A - Article of manufacture : en
  • US1979105A - Dispenser : en
  • CH172858A - High frequency coil. : de en
  • SU39624A1 - A method of making gypsum negative forms for the subsequent casting of products in them : en ru
  • PL20532B1 - A method of obtaining pine oil, rosin and other tree resins, stumps or raw plant resins. : en pl
  • ES134805A1 - An improved procedure for the general treatment of gases. : en es
  • DE605089C - Rotating tub for removing molten glass : de en
  • SU39051A1 - Device for flooring fabrics on the tables : en ru
  • SU39192A1 - Lever device for the movement of cars : en ru
  • SU39590A1 - Brake for carriages : en ru
  • CA345660A - Based electric device : en fr
  • US1978836A - Process of manufacture and composition of matter in forming stencil papers : en
  • PL20560B1 - Mechanical igniter for projectiles. : en pl
  • US1979117A - Electric cable clamp : en
  • SU39170A1 - Smoke pipe for steam locomotives : en ru
  • USD93735S - Design fob a rubber floor mat : en
  • PL20512B1 - : en pl
  • US1978399A - Ventilator : en
  • US1978710A - Plasticizer : en
  • US1979136A - Automatic power head for soot : en
  • SU39120A1 - Apparatus for controlling gas suction to a gas main : en ru
  • SU39490A1 - Connect for drive belts : en ru
  • US1978763A - Water-insoluble azo dyes : en
  • SU39378A1 - Bit : en ru
  • US1978599A - Variable inductance device : en
  • US1979111A - Metal heating : en
  • BE405402A - : en fr
  • CA345582A - Tool grinding fixture : en fr
  • CA345568A - Reciprocating pump : en fr
  • CH172665A - Arrangement for leading out the heating conductor ends from tubular heating elements embedded in cast material and method for producing the same. : de en
  • CH172786A - Dowel hole drilling machine. : de en
  • FR772457A - Advanced system and device for light advertising and signage : en fr
  • CH172718A - High degree alcohol manufacturing process. : en fr
  • SU39303A1 - Scraper for cleaning sediments on the walls of pipelines : en ru
  • US1978593A - Cracking hydrocarbon oils : en
  • AU1409033A - Improvements in and relating to automatic braking devices for vehicles : en
  • ES135364A1 - A cinematographic projection device. : en es
  • SU39423A1 - Thermometer : en ru
  • US1978578A - Amplifier : en
  • US1978873A - Suitcase : en
  • US1978885A - Dispensing can : en
  • PL20542B3 - A method of producing synthetic tannins. : en pl
  • SU39252A1 - Electromagnetic contactor : en ru
  • US1978529A - Flexible conduit : en
  • CA345606A - Fine coal cleaning device : en fr
  • US1979043A - Cigarette vending machine : en
  • CA345563A - Fluid gauge wiper : en fr
  • CH172671A - Device for storing brushes. : de en
  • US1978425A - Ball gyroscopic compass : en
  • US1978759A - Axle level : en
  • US1979174A - Handle of golf clubs and the like : en
  • SU39126A1 - Steam distributor for direct-acting compounding machines : en ru
  • US1978907A - Illuminating unit : en
  • SU39316A1 - Kenorah processing machine : en ru
  • SU39495A1 - Transmission between two parallel shafts : en ru
  • US1978565A - Ice cream cabinet : en
  • SU39199A1 - Tool for moving the arrow from a moving wagon : en ru
  • SU39547A1 - Curtain shutter : en ru
  • SU39580A1 - Device for automatic switching of spool at hydraulic press : en ru
  • SU39532A1 - Light advertising device : en ru
  • US1978764A - Thermionic valve system : en
  • US1978947A - Time controlled circuit controller : en
  • SU39616A1 - Signal device : en ru
  • GB418709A - Improvements in fuel feed arrangements for internal combustion engines : en
  • SU39295A1 - Method for making refractory putty : en ru
  • US1978658A - Clutch : en
  • GB418881A - Improvements in or relating to hair curlers : en
  • DE582157C - Apparatus for sharpening and honing hollow-ground razor blades : de en
  • FR772441A - Loading door for baking ovens for bakery and other uses : en fr
  • PL20519B1 - : en pl
  • DE605000C - Coin gas meter : de en
  • CA345569A - Roving drawing mechanism : en fr
  • CH172863A - Lighting device support for road vehicles. : en fr
  • SU39455A1 - Pneumatic Seed Form : en ru
  • US1978996A - Method of and means for producing ingots : en
  • SU39427A1 - Differential pressure gauge : en ru
  • US1979224A - Container for liquefied gases : en
  • SU39394A1 - The method of obtaining solid metal products : en ru
  • SU39710A1 - Slitting machine for cutting continuously rolled paper or fabric from a roll : en ru
  • CA345717A - Lens cutting machine : en fr
  • SU39305A1 - Device for supplying fuel to the furnace : en ru
  • US1978820A - Manufacture of leuco indigo : en
  • US1979195A - Cam : en
  • US1978507A - Multiple check valve : en
  • SU39263A1 - An instrument for measuring the effective value of a variable component of a pulsating electric current : en ru
  • CH172757A - Zither keyboard. : de en
  • SU39122A1 - Alarm device for indicating water limits in a steam boiler : en ru
  • GB418717A - Improvements in ventilators : en
  • GB418955A - Improvements in devices for vacuumizing and closing preserving jars and like receptacles : en
  • CH172686A - Device for holding the kettle of beating, stirring, mixing machines and the like. : de en
  • ES135156A2 - DEVICE FOR LAUNCHING PUMPS APPLICABLE TO THE FUSES, PROVIDED WITH DEVICES TO ENSURE THE VARIABILITY AND ACCURACY OF THE INCLINATION OR ANGLE : en es
  • FR772417A - Rotary internal combustion engine : en fr
  • GB418853A - Improved tubular heat exchange element and method or process of manufacturing the same : en
  • ES135564A3 - Ammonia double dissolution absorption machine for carbon dioxide freezing. : en es
  • CA345649A - Aircraft direction finding system : en fr
  • CH172914A - Rim for bicycle wheels and the like. : en fr
  • DE605069C - Device for automatically switching off the heating medium supply to cookers : de en
  • ES135358A1 - A new drive system applicable to boats and aircraft. : en es
  • GB418716A - Change speed gearing : en
  • US1978411A - Mechanism for knitting runproof or run-resistant knitted fabric : en
  • US1979153A - Card or sheet feeding mechanism : en
  • CA345708A - Wallboard manufacture : en fr
  • CA345723A - Steam separator : en fr
  • CH172912A - Foot scrapers for automobiles. : de en
  • ES135415A1 - Procedure for the manufacture of cement inalterable to water. : en es
  • SU39448A1 - Trigonometer : en ru
  • SU39594A1 - Meter for dispensing liquids in measured quantities : en ru
  • SU39575A1 - The method of applying scales for grids photographic : en ru
  • US1979094A - Knock-down heat bath appliance : en
  • GB418963A - Indeformable wooden framework for doors and wooden constructions in general : en
  • DK49457C - Electric Musical Instrument. : da en
  • SU39370A1 - Instrument for maintaining the lower part of the carriage box when examining the neck : en ru
  • DE604982C - Mechanical-pneumatic train protection system : de en
  • GB418833A - Improvements relating to ladies' corsets : en
  • GB418904A - Improvements in or relating to the manufacture of sliding clasp fasteners : en
  • SU39315A1 - Machine for decortication of prickly plants : en ru
  • US1978882A - Electric fitting for conduit outlet boxes : en
  • US1979208A - Recording device : en
  • USD93750S - Design for a lamp : en
  • ES134411A1 - A new, fast and economic procedure for the repair and construction of shoe soles by means of rubber midsole with solid toe and heel in its external curve and loose assembly piece that sticks to the sole. : en es
  • FR772680A - : fr
  • US1978902A - Davenport : en
  • DE580547C - Lubricating device for slide bearings : de en
  • DE604940C - Process for separating benzene : de en
  • US1978729A - Electromagnetic device : en
  • PL20462B1 - An advertising device which is actuated during the flight of the airframe and incorporating a flexible ribbon with advertising markings, and a method of folding the ribbon to be placed on the airframe. : en pl
  • US1978463A - Refrigeration : en
  • US1978437A - Fluid compressor for aircraft brakes : en
  • US1979015A - Steel alloy : en
  • US1979137A - Manufacture of sodium carbonate, ammonium chloride, sodium nitrate, and hydrochloricacid : en
  • US1979238A - Tunnel lining : en
  • DE604869C - Device for stopping rotary printing machines when the paper web tears : de en
  • ES135077A1 - Improvements in the manufacture of pneumatic wheels for automobiles and motor vehicles in general. : en es
  • DE604895C - Crushing device for piece goods : de en
  • US1978590A - Wrench joint : en
  • US1978854A - Air cooling system : en
  • SU39255A1 - Device for automatic shutdown of electric motor : en ru
  • SU39527A1 - Individual electric drive for sewing machines : en ru
  • SU39554A1 - Optical compensator for film projector : en ru
  • US1979025A - Statfs patfnt offiff : en
  • BE405335A - Lighting installation : en fr
  • CH172865A - Bunsen burner. : de en
  • GB418695A - Energy regeneration systems for electric locomotives having direct current series motors : en
  • GB418950A - Improvements in or relating to spring mattresses, upholstery and the like : en
  • AU1485733A - Improvements in or relating tothe production of rubber goods and apparatus therefor : en
  • CH172792A - Decal with veneer pattern. : de en
  • CH172879A - Telegraph apparatus with a device for displaying type characters. : de en
  • ES134675A3 - A procedure for the manufacture of plastics. : en es
  • CH172933A - Coal grinding piece, especially for pantographs, with inner or outer mount. : de en
  • US1978786A - Coloration of textile materials : en
  • US1978855A - Electric motor : en
  • SU39267A1 - Device for detecting damaged cable : en ru
  • US1978926A - Sample binder : en
  • US1979213A - Plant-protective agent and method of preparing the same : en
  • SU39115A1 - The method of obtaining narakresilatsetag : en ru
  • SU39313A1 - The method of hair cutting from skins to ointment : en ru
  • SU39346A1 - Portable Chlorine Inhalation Device : en ru
  • SU39380A1 - A method of making an artificial cork : en ru
  • FR772461A - Electronic valve converter system : en fr
  • GB418900A - Improvements in ships hatches : en
  • US1978423A - High power demountable tube : en
  • GB418794A - Improvements in electric discharge tubes with rotary anodes : en
  • ES135407A1 - A device for the diffusion treatment of beet, sugar cane and other plants with food reserves for the extraction of sucrose and other soluble carbohydrates. : en es
  • DE604806C - Device for ventilating, cleaning and disinfecting the filling of feather beds and the like. like : de en
  • GB418753A - Improvements in apparatus for straining liquids : en
  • GB418921A - Improvements relating to automatic weighing machines : en
  • GB418916A - A process for the production of concentrated nitric acid : en
  • GB419066A - Improvements in net making machines : en
  • FR772574A - Tool used to dig holes in the ground for the installation of poles, poles, stakes and others : en fr
  • GB418989A - Improvements in and relating to incandescent electric lamp filaments and methods of manufacturing the same : en
  • ES135268A1 - A machine that distributes objects. : en es
  • GB418910A - Improvements in or relating to curtain-operating mechanism : en
  • DE604844C - Device for drying and pretreating loose textile fibers : de en
  • GB418613A - Improvements relating to trawl boards for trawl fishing : en
  • DE604825C - Articulated link chain, in particular for electrical illumination or advertising lighting, the hinge-like interlocking joints of which form light bulb sockets : de en
  • FR772613A - Electronic discharge lamp and its applications : en fr
  • GB418634A - Improvements in and relating to jigger conveyors : en
  • FR772602A - Lubrication device for hollow rockets : en fr
  • GB418704A - Improvements in and relating to colour boxes : en
  • FR772545A - : fr
  • ES135494A1 - Procedure for the separation of chromium minerals from your gangue. : en es
  • US1978895A - Apparatus for rolling metal : en
  • FR772488A - Process for preparing low boiling point hydrocarbons, in particular anti-knock fuels, from low volatile oils, oil residues, tars, etc. : en fr
  • FR772514A - Universal measuring and pointing machine : en fr
  • FR772632A - Improvements to closing caps for bottles and other similar containers : en fr
  • GB418699A - Improvements in roller skates : en
  • GB418822A - Improvements in and relating to mechanism for propelling model horses and like animals : en
  • ES135391A1 - Procedure for separating impurities and fats that remain in suspension by melting the types of press used. : en es
  • FR772483A - Drawbridge : en fr
  • US1978504A - Crate centering device for lidders : en
  • US1978547A - Pipe joint : en
  • US1978654A - Ironing machine : en
  • US1978722A - Mantle steaming machine : en
  • US1978867A - Pothead : en
  • ES135362A1 - WHEEL SUSPENSION, PARTICULARLY FOR AUTOMOBILE VEHICLES : en es
  • GB419288A - Improvements in door locks : en
  • FR772528A - Metal panels forming vertical formwork for reinforced concrete : en fr
  • FR772684A - Device for sewage treatment : en fr
  • GB418608A - Improvements in and relating to firelighters : en
  • GB418952A - Improvements in or relating to showcards, price tickets and the like : en
  • SU39543A1 - Panoramic photographic camera for stereoscopic shooting : en ru
  • SU39683A1 - Method of softening liquid water : en ru
  • DE604845C - Endless shackle chain : de en
  • ES135380A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • DE604730C - Automatic control or measuring device : de en
  • FR772583A - Process for improving the breadmaking ability of flour and dough as well as for the preparation of agents suitable for this purpose : en fr
  • CH172709A - Shoe. : en fr
  • ES135332A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • FR772469A - Automatic control device for double folding plows or other similar applications : en fr
  • DE605054C - Football entertainment game : de en
  • GB418774A - Improvements in and relating to electric current converting apparatus : en
  • ES134843A1 - Improvements in axial threshers. : en es
  • GB418960A - Improvements in grinding mills : en
  • DE604838C - Grinding device for razor blades with swiveling blade holder : de en
  • DE604978C - Washing machine : de en
  • DE1316421U - : de
  • US1978408A - Runproof or run-resistant fullfashioned stocking and method of making same : en
  • DE574821C - Stand-up collar : de en
  • GB418788A - Improved process of producing a soluble phosphate fertilizer : en
  • ES135524A1 - A mechanical shear coupled to an automatic bending machine. : en es
  • CA345725A - Signalling system : en fr
  • DE604809C - Device for bending clichés, galvanos, etc. like : de en
  • FR772402A - Construction plate press : en fr
  • GB419145A - Improvements in crushing or shearing tools : en
  • SU39117A1 - The method of obtaining orthoamidophenol : en ru
  • US1978396A - Box carton : en
  • US1978567A - Folding mechanism : en
  • ES135533A1 - TORQUE BALANCE : en es
  • GB418968A - Improvements in or relating to automatic fire arms : en
  • GB418657A - A device for holding razor blades during sharpening : en
  • GB418719A - Improved method of preparing silk stencils : en
  • DE605086C - Cathode ray tubes for maximum voltages : de en
  • GB418772A - Corrosion-resistant and mechanically workable alloys : en
  • ES135514A1 - A footwear manufacturing process. : en es
  • GB418617A - Improvements in submersible pumps : en
  • FR772403A - Device for cutting strawberry runoff : en fr
  • GB418954A - Improvements in and connected with ornamental assemblies for gardens, graves and other like purposes : en
  • GB418735A - Improvements in machines for making wire netting : en
  • GB418931A - Improvements relating to valves for controlling fluids : en
  • GB418933A - Improvements relating to electric transformers : en
  • GB419357A - Improvements in or relating to the polymerisation of organic compounds : en
  • ES135409A1 - A procedure for washing clothes dry. : en es
  • ES135543A1 - CONTROL TAP FOR CONTINUOUS AUTOMATIC COMPRESSED AIR BRAKE : en es
  • ES3012U - Vessel or metal container perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • GB418686A - Improved electric massage apparatus : en
  • ES134825A1 - Safety device for liquid dispensers and dispensing devices provided with this device. : en es
  • GB418847A - Improvements in or relating to apparatus for cleaning boiler tubes : en
  • FR772696A - Improvements to processes for the production of nickel by electrolytic deposition starting from solutions of nickel salts : en fr
  • DE605081C - Choke coil for compensation of the earth fault current : de en
  • CH172639A - Covering plate for floors, especially in cattle stalls and commercial rooms. : de en
  • CH172730A - Process for the preparation of a monoazo dye. : de en
  • US1979028A - Pawl and ratchet mechanism : en
  • US1979045A - Printing device : en
  • US1979107A - Radio apparatus : en
  • SU39162A1 - Ballast sand feeding device for raised sleeper : en ru
  • SU39262A1 - Magnetoelectric measuring instrument : en ru
  • US1978967A - Electric selector device : en
  • SU39657A1 - Dinas production method : en ru
  • DE563017C - Mixture preheater : de en
  • DE605061C - Device for automatically influencing the exchange power between two alternating current networks of different frequencies : de en
  • GB418784A - Improvements in stoppers to prevent the refilling of bottles and the like : en
  • US1978970A - Launderable hand bag : en
  • US1978569A - Paper fastener : en
  • US1978687A - Clutch : en
  • US1978704A - Thermometry : en
  • US1978940A - Resilient block : en
  • SU39385A1 - Laying machine for layers of rubber or fabric material : en ru
  • PL20541B1 - A device for copying two- or three-color images into a raster film. : en pl
  • US1978822A - Locomotive with bifurcated flues : en
  • USD93727S - Design foe a clock case : en
  • CA345663A - Vapour electric device : en fr
  • CH172774A - Apparatus for detecting faults of all kinds in electrical lines. : de en
  • AU1274633A - Fabrics and articles of footwear made therefrom : en
  • CH172768A - Recoil gun. : de en
  • DK49449C - Bucket attachment for Gas or Steam turbines. : da en
  • GB418630A - Improved means for supporting articles of crockery from shelving and for like purposes : en
  • US1979029A - Brake control : en
  • CA345706A - Multiple pie baking pan : en fr
  • GB418883A - Improvements in liquid brake systems : en
  • SU39331A1 - Medical Thermometer Shaking Device : en ru
  • US1978398A - Gas-pressure regulator : en
  • US1978706A - Control system for electron discharge devices : en
  • CH172839A - Device for cooling electrical machines with windings located in slots. : de en
  • CH172930A - Electric traction equipment with electric braking with compound motors. : en fr
  • DE605023C - Process for the production of enamel coatings : de en
  • DE604934C - High-voltage rotary disconnector with at least one switching insulator and with an attached, independent earthing switch : de en
  • DE605092C - Device for testing safety gears : de en
  • CH172887A - Braun tube for generating large-format television pictures of more than 3 cm in height. : de en
  • PL20499B1 - A blowtorch device in a steam locomotive smoke box. : en pl
  • US1979180A - Adjustable and detachable handle connection : en
  • DE604675C - Method for determining irregularities in the surface of wires or the like. : de en
  • ES135471A1 - New procedure to manufacture current lime. : en es
  • CA345658A - Electrical discharge lamp : en fr
  • CH172789A - Razor. : de en
  • ES135441A2 - PROVISION FOR THE CUSHIONING OF SHOCK PRODUCED BY SHOCK, BY MEANS OF SPRINGS, PARTICULARLY FOR AUTOMOBILE VEHICLES : en es
  • SU39155A1 - Fixture for securing track rails : en ru
  • SU39206A1 - A device for switching off a device preventing a train from passing a closed signal when passing an input signal to a train leaving the station in case of single-track traffic : en ru
  • US1979084A - Process of producing spotted effects on novelties, etc. : en
  • CH172904A - Device for reciprocating a stroller. : de en
  • DE604896C - Film tour for roll film cameras : de en
  • SU39053A1 - Cutting device : en ru
  • SU39308A1 - Machine for lifting loops on knitwear : en ru
  • CH172947A - Laundry centrifuge. : de en
  • FR772626A - Process and installation for the preservation of food, food, etc. : en fr
  • DE604868C - Drive for paper rolls in printing machines or the like, in particular rotary printing machines : de en
  • FR772660A - Method and device for the cleaning of cans for thin sheets : en fr
  • SU39234A1 - Device for managing settings : en ru
  • US1978575A - Embossing machine : en
  • US1979161A - Multiple expansion engine : en
  • DE565296C - Reversible and exchangeable shoe heel patch : de en
  • FR772606A - Improvement in makeup kits : en fr
  • ES135427A1 - A high frequency coupling element. : en es
  • DE605066C - Darning device for sewing machines : de en
  • GB418886A - Improvements in or relating to shoe heels : en
  • CA345732A - Acoustic device : en fr
  • FR772501A - Further training in timepieces and the like : en fr
  • GB418766A - Improvements in and relating to penstocks and the like : en
  • FR772539A - Chassis for motor and other similar applications : en fr
  • GB418650A - Improvements in or relating to change-speed gears, more particularly for automobile vehicles : en
  • FR772468A - Virtual axis of rotation hinge : en fr
  • GB418865A - Improvements relating to time-pieces : en
  • DE605049C - helicopter : de en
  • ES134841A1 - Improvements in the construction of exterior covers for cables. : en es
  • ES2611Y - Announcement poster. : en es
  • US1979103A - Automatic control for refrigerators, etc. : en
  • US1979114A - Remote indicating system : en
  • CA345679A - Leaf treating mechanism : en fr
  • CH172953A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • SU39118A1 - The method of extraction of sulfur and bitumen from bituminous sulfur raw materials : en ru
  • SU39189A1 - Travel brake for humps : en ru
  • SU39510A1 - Turning screw cutter : en ru
  • SU39610A1 - Adaptation to the shop box for automatic firing from it by revolving (pistol) cartridges : en ru
  • SU39706A1 - Paint Starch Extractor : en ru
  • ES135486A1 - New waterproofing process for all kinds of substances and materials. : en es
  • SU39561A1 - Maltese Cross Device : en ru
  • BE405000A - : en
  • AU1719034A - Improvements in or relating to wheel suspension for vehicles : en
  • CA345627A - Envelope making machine : en fr
  • DE566683C - Rolling mill with support and work rolls : de en
  • FR772525A - Improvements to transformable armchairs and sofas : en fr
  • GB418746A - Improvements in or relating to the manufacture of sulphur dyestuffs : en
  • DK49443C - Device for chopping machines for releasing the feed rollers. : da en
  • SU39531A1 - Caramel processing method : en ru
  • DE604816C - Electrodynamic sound device : de en
  • FR772681A - Advanced Dry Cell Cell Device : en fr
  • US1979150A - Feeding joint : en
  • SU39311A1 - The method of separation of coke oven gas into its component parts by the method of deep cooling : en ru
  • DE588285C - Roots piston machine with a piston disk arranged in a ball housing at an angle to the drive shaft : de en
  • DE604875C - Device for delaying switching processes : de en
  • BE405431A - : en
  • DK49453C - Cash magazine for Selvladevaaben. : da en
  • GB418934A - Refrigerating apparatus for the storage and preservation of food, delicacies and the like : en
  • DE604748C - Process for purifying water : de en
  • FR772558A - Tensioner for electric conductor cords and other similar articles : en fr
  • GB418840A - Improvements in knitting machines : en
  • FR772506A - Piston pump without valve for pumping liquids : en fr
  • FR772598A - Advertising trolley : en fr
  • US1978980A - Clothespin : en
  • ES135504A1 - A new process of mixing liquid fuels with air or water vapor for the production of heat. : en es
  • FR772571A - Sound reproducing device for speaking machines or similar machines : en fr
  • GB418969A - Improvements in or relating to size-converting means for use with garment lay-outs : en
  • DE603842C - Printing device for cloakroom cards : de en
  • US1979190A - Multiple condenser transformer unit : en
  • FR772416A - screen for t lamps. s. f. : en fr
  • ES134851A1 - Improvements in the manufacture of saquerío. : en es
  • FR772404A - Air mattress : en fr
  • ES135461A1 - A process for the manufacture of plates and sheets in latex-based reliefs. : en es
  • SU39345A1 - Inhalation device : en ru
  • SU39412A1 - The device for marking the Archimedean spiral on eccentric blanks for automatic machines : en ru
  • GR4983B - AUTOMATIC AND AT THE SAME TIME MACHINE FOR THE SPEECH OF THE FOREIGN CASE TITLES OF FOREIGN CINEMA WORKS. : el en
  • ES135453A1 - A procedure for the preservation of cheeses. : en es
  • SU39661A1 - Method for producing salt glaze on pottery : en ru
  • US1978579A - Mop for use with vacuum cleaners : en
  • US1979007A - Self-tttbricating bobbin gear : en
  • US1979237A - Laundry machine : en
  • US1978826A - Apparatus for handling textile yarns : en
  • SU39421A1 - Method and device for measuring colors and expressing them in digital values : en ru
  • FR772434A - Automatic speed change for variable speed motion transmission : en fr
  • ES134934A1 - Arrangement to simultaneously receive images and sounds. : en es
  • GB418632A - Improvements in card filing and sorting cabinets : en
  • FR772496A - Transportable cinematographic booth : en fr
  • FR772551A - Porous filling mass for gas containers : en fr
  • SU39546A1 - Photo camera for film shots : en ru
  • DE604799C - Turning tool for the cylindrical or conical part of profile grinding wheels : de en
  • FR772536A - Universal rolling mill : en fr
  • GB418579A - Improvements in and relating to electric starting devices for internal combustion engines : en
  • SU39440A1 - Instrument for helminthological analyzes of human and higher animal feces : en ru
  • US1978501A - Partition support : en
  • US1979067A - Phonograph : en
  • GB418752A - Improvements relating to gas fires : en
  • GB418958A - Improvements in and relating to two colour signs : en
  • US1979205A - Printing machine : en
  • US1979215A - Cellar box for driving journal bearings : en
  • ES3007U - Plug for barrels. (Machine-translation by Google Translate, not legally binding) : en es
  • CA345575A - Music reading game : en fr
  • ES2610Y - Indicator signs of urban traffic. : en es
  • DE605048C - Film drive device : de en
  • DE605039C - Sliding window with upper and lower sash on the same closing level : de en
  • FR772462A - High frequency signaling system : en fr
  • SU39699A1 - Water turbine : en ru
  • BE405386A - : en
  • CA345684A - Coupon ticket printing machine : en fr
  • DE604935C - Device for determining the assignment of the speed of a machine to the frequency of an alternating current network : de en
  • DE604947C - Device for the automatic reversal of radiant tubes : de en
  • GB419057A - Improvements in surface hardening of austenitic steels and alloy steels : en
  • SU39669A1 - Lift for building materials : en ru
  • SU39211A1 - Device for powering a two-winding brushless motor of an electric locomotive from a single-phase AC network : en ru
  • SU39556A1 - Adaptation to a cinema camera for stereoscopic shooting : en ru
  • CH172756A - Candle holder, in particular for Christmas tree candles. : de en
  • SU39544A1 - Aerial processing device : en ru
  • CA345628A - Transmission mechanism : en fr
  • CH172667A - Electric hotplate. : de en
  • CH172732A - Process for the preparation of a dye of the Safranine series. : de en
  • DE604819C - Multi-pole toggle relay, especially for remote control systems : de en
  • DE604900C - Device for balancing the dead gear in machine tools, in particular thread grinding machines : de en
  • FR772510A - Closing device for containers and, in particular closing caps for bottles, comprising two or more thicknesses of material interconnected and material for the manufacture of said closing devices : en fr
  • AU1619934A - Improvements insanitary napkins : en
  • ES134300A1 - A special textile technical process for the use of chenilles of velvety cord to manufacture fabrics for upholstery and decoration. : en es
  • ES135458A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • ES135475A2 - IMPROVEMENTS INTRODUCED IN THE SCOPE OF THE MAIN PATENT : en es
  • FR772683A - Device for recording the longitude and latitude movements of ships and aircraft : en fr
  • ES135470A1 - Improvements introduced in the manufacture of electrical switches or switches. : en es
  • US1978576A - Brake hanger retainer : en
  • CH172902A - Device for transporting and lifting barrel-shaped containers. : de en
  • US1979171A - Rip strip key and attaching means for containers : en
  • AU1352033A - Radio logging device : en
  • CH172818A - Method and device for dynamic charging of piston engines which suck in a gaseous medium. : de en
  • DE604850C - Firing grate with horizontally lying, moving grate bars that convey the fuel : de en
  • PL20550B1 - Amplifier. : en pl
  • SU39359A1 - Fork with fixtures for serving canteens : en ru
  • PL20525B1 - The method of dyeing in the past. , : en pl
  • SU39390A1 - The method of preparation of fiber looms : en ru
  • SU39572A1 - Light meter : en ru
  • US1979163A - Speed indicating device : en
  • PL20536B1 - The method of producing the starting products for the production of artificial materials and the method of producing these artificial materials. : en pl
  • SU39086A1 - Argon cleaning method : en ru
  • US1978816A - Scavenging and charging of twocycle engines : en
  • GB419146A - Improvements in and relating to means for regulating electric power transmission systems : en
  • CA345614A - Seeding machine : en fr
  • CH172955A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • FR772481A - Process and apparatus for largely recovering heat losses occurring during cooking : en fr
  • SU39397A1 - Machine for the manufacture of basal shoes : en ru
  • US1978757A - Shaving brush mechanism : en
  • DE604786C - Device for determining the exposure time and the gradation of the paper used when copying negatives : de en
  • US1978490A - Mixer : en
  • US1978772A - Combined cleaning and cut-off device in gasification burners : en
  • US1979033A - Process for the manufacture of nsulphoethyl compounds of arylamino sulphonic acids : en
  • SU39089A1 - Apparatus for producing calcium and sodium cyanides and ammonium nitrate : en ru
  • SU39571A1 - Step light meter : en ru
  • US1978646A - Device for mounting on a spare tire : en
  • US1978774A - Artificial sausage casing and a process of preparing it : en
  • CH172852A - Arrangement for generating high-frequency, linear tilting vibrations : de en
  • CH172684A - Device for attaching boards in cupboards etc. : de en
  • ES135398A1 - An improved procedure for the manufacture of carpets. : en es
  • DE605097C - Use of the conveyor system for milk and liquid milk products according to patent 602873 in tank trucks for general purposes : de en
  • US1978571A - Anchoring device : en
  • USD93749S - Design fob a lamp shade : en
  • DE604693C - Calendar clock : de en
  • GB418895A - Improvements in or relating to variegated surfaces and display materials or devices and the production thereof : en
  • SU39229A1 - Repeatedly alternating antenna : en ru
  • SU39358A1 - The method of obtaining mirrors with reduced reflectivity : en ru
  • SU39372A1 - Device for regulating the pressure in the water heating network : en ru
  • US1978413A - Portable heater : en
  • US1978619A - Production of acetone from ethyl alcohol : en
  • US1978931A - Tabulating machine : en
  • US1978645A - Apparatus for feeding molten glass to suction cups : en
  • PL20465B1 - : en pl
  • SU39023A1 - Difficult rocker : en ru
  • SU39151A1 - Method of making gears : en ru
  • FR772640A - Improvements to filter cartridges : en fr
  • US1978805A - Electric service plug : en
  • US1978653A - Child's bicycle : en
  • US1978556A - Device for producing changing inscriptions : en
  • US1978612A - Liquid-tight stator winding for a submersible electric motor : en
  • CA345620A - Bearing : en fr
  • CH172867A - Absorbable suturing and ligating material and method of making the same. : de en
  • DE605011C - Device for attaching the flag to the flagpole : de en
  • GB418949A - Improvements in or relating to machines for serving gummed tape or labels : en
  • USD93707S - Design fob a shoe : en
  • ES135351A1 - A manufacturing process of artificial leather based on skins and leather waste. : en es
  • FR772438A - Manufacturing process for playing balls : en fr
  • FR772503A - Used oil regeneration process : en fr
  • GB418889A - Improvements in floor and roof constructions : en
  • FR772495A - spare parts for the cutting mechanism of the harvesters : en fr
  • ES135439A2 - ENGINE COOLING FOR AUTOMOBILE VEHICLES WITH REAR ENGINE : en es
  • GB418925A - Improved device for the mounting of engines : en
  • GB419287A - An improved load indicator for cranes and the like : en
  • US1978471A - Knee lift jack bar : en
  • US1978741A - Process for the manufacture of artificial silks : en
  • CH172827A - Double magneto. : de en
  • SU39042A1 - The method of using waste sulfite cellulose liquor for the purpose of fermentation : en ru
  • SU39674A1 - Grab-trap : en ru
  • CH172647A - Street pounding machine. : de en
  • PL20504B1 - A method to prevent the formation of unusable cuttings at the ends of rolled blocks. : en pl
  • US1979091A - Electrical distribution connecter : en
  • SU39473A1 - Method of emulsifying insecticofunisides : en ru
  • US1979233A - Rib fabric and method of making the same : en
  • DE604888C - Method and device for the production of hollow bodies from veneer layers glued together : de en
  • DE604989C - Electrode for treating short electrical waves in a capacitor field : de en
  • ES3024U - Closing for containers. (Machine-translation by Google Translate, not legally binding) : en es
  • FR772482A - Locking device, especially for bicycle headlight covers : en fr
  • GB418730A - Improvements in or relating to lubricating devices : en
  • CH172934A - Folding boat with at least two air-filled floats, in particular for sports purposes. : de en
  • GB418639A - Improvements in pincers, tongs, or the like : en
  • CH172826A - Fuel injection device for internal combustion engines. : de en
  • SU39182A1 - Air distributor for automatic air single-line brakes : en ru
  • US1978986A - Motor construction : en
  • CA345728A - Eyeglass : en fr
  • CA345612A - Electrical cut-out : en fr
  • SU39172A1 - Fixture to protect the glass from icing : en ru
  • US1978592A - Treatment of hydrocarbon oils : en
  • CH172669A - Device for cleaning window panes. : de en
  • CH172760A - Device for connecting skis and ski poles to make it more difficult for the latter to be removed by unauthorized persons. : de en
  • PL20523B1 - A method for the production of potassium hydroxide from potassium sulfate with simultaneous production of oxalic acid. : en pl
  • SU39664A1 - Device for compacting the point where a rotary kiln adjoins the mouth of a dust-collecting chamber : en ru
  • US1978473A - Structural section : en
  • CH172966A - DC generator for constant current. : de en
  • DE605042C - Measuring table with interrupted work surface for the storage of parallel surfaces limited bodies for length measurements : de en
  • CA345576A - Saw : en fr
  • US1978747A - Stove : en
  • AU1617034A - Improvements in or relating tothe production of copper from copper sulphide ores : en
  • SU39459A1 - Potato harvesting machine : en ru
  • US1978631A - Gummed paper and tape : en
  • PL20511B1 - A spirit iron. : en pl
  • SU39342A1 - Pump of double action ("mechanical heart") for performing artificial blood circulation in live animals and in isolated organs : en ru
  • DE605096C - Method for the post-synchronization of acoustic presentations to image or image and sound recordings : de en
  • CH172797A - Sleeve spring. : de en
  • CH172896A - Sales letter. : de en
  • DE604697C - Process for the extraction of aluminum from alumina : de en
  • DE604959C - Track assembly for vehicles : de en
  • DE605834C - Process for the production of high speed steels of the usual composition with a higher vanadium or cobalt content or vanadium and cobalt content : de en
  • US1978533A - Process of preparing molded products : en
  • DE605031C - Toggle switch with low switching noise : de en
  • ES135563A3 - New procedure for obtaining solid carbon dioxide or dry ice. : en es
  • CA345602A - Stove pipe scraper : en fr
  • CH172696A - Process for the production of a leno fabric with figures binding double-thread canvas and leno fabric produced by the process. : de en
  • CH172956A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • DK49460C - Electric DC Generator. : da en
  • ES135537A1 - An electromagnetic rotating device that converts and rectifies electrical currents whatever their intensity and voltage. : en es
  • DE605004C - Outlet tap : de en
  • PL20558B1 - Layout repeater. : en pl
  • PL20494B1 - Sealed connection for ferroconcrete pipes. : en pl
  • SU39558A1 - Stereoscopic Cinematography Apparatus : en ru
  • SU39570A1 - The method of regeneration of photosensitive ferro-prussiate paper : en ru
  • PL20553B1 - Magnetic core for the path of the current flux of inductive measuring devices, especially meters. : en pl
  • SU39435A1 - Instrument for simultaneously measuring various amounts of liquid : en ru
  • SU39271A1 - Device for recording short periods of time : en ru
  • SU39467A1 - Membrane Pressure Regulator : en ru
  • SU39502A1 - Transmission between two mutually perpendicular shafts : en ru
  • US1978851A - Package liner : en
  • DE604933C - Device for damping the mechanical vibrations of overhead lines, which is freely suspended from the line : de en
  • DE605077C - Folding table, especially for railroad cars : de en
  • FR772591A - Device for automatically stopping a train : en fr
  • CH172745A - Corrugated cardboard shipping box. : de en
  • SU39396A1 - The method of obtaining complex carbide component for the production of hard alloys : en ru
  • SU39698A1 - Electromagnetic hammer : en ru
  • US1978957A - Sewer rod : en
  • US1978783A - Azo dyestuffs : en
  • SU39371A1 - Kitchen hearth : en ru
  • CH172847A - Electric circuit breaker. : en fr
  • PL20514B1 - The method of producing a refractory mortar. : en pl
  • US1978698A - Brake : en
  • BE405031A - New driving device for locomotive driving axles : en fr
  • ES135392A1 - A process for the manufacture of threads and other long articles of rubber. : en es
  • FR772420A - Method and device for the production of printing-ready cliché plates intended for printing machines : en fr
  • GB419062A - Improvements in the manufacture and production of condensation products : en
  • US1978534A - Wireless receiving system : en
  • US1978721A - Nozzle for washing bottles : en
  • USRE19354E - Photographic bath : en
  • SU39258A1 - Induction relay : en ru
  • FR772552A - Pivot frame for rail vehicles : en fr
  • GB418802A - Improvements in or relating to ironing apparatus : en
  • CH172741A - Process for degassing and aeration of wastewater to be treated biologically. : de en
  • CH172893A - Apparatus for projecting images or advertising texts. : en fr
  • CA345659A - Refrigerator cabinet : en fr
  • CH172803A - Automatic gear shifting transmission. : en fr
  • CH172975A - Device for the electrical heating of railroad cars. : de en
  • SU39268A1 - Measuring device : en ru
  • SU39709A1 - Heat accumulator : en ru
  • US1978438A - Window channel : en
  • US1978450A - Cleaning cloth for irons : en
  • US1978932A - Cable tap : en
  • AU1734634A - Improvement in coloured television apparatus : en
  • USD93729S - Design for a service bar back : en
  • DE595822C - Device for recording and reproducing sound films : de en
  • GB418863A - Improvements relating to anti-vibration mountings of engines and machines : en
  • SU39399A1 - Instrument for determining the thickness of a layer applied to a metal product : en ru
  • PL20466B1 - Drain valve for tank wagons. : en pl
  • US1978626A - One-piece folding box : en
  • US1978665A - Pressure gauge : en
  • US1978812A - Manufacture of golf balls and the like : en
  • SU39519A1 - Pa lnik : en ru
  • US1978432A - Ruffling mechanism : en
  • SU39092A1 - The method of obtaining stable solutions of sodium aluminate : en ru
  • SU39204A1 - Hydraulic device for controlling the signals of the train itself : en ru
  • US1979223A - Animal trap : en
  • US1978483A - Refrigerator : en
  • US1978691A - Article of commerce and method of its production : en
  • GB418849A - Improvements relating to electric storage battery carriers for motor or other cycles : en
  • SU39355A1 - Method of casting bells : en ru
  • CH172916A - Wheel rim for motor vehicles, bicycles and similar vehicles. : de en
  • ES135147A1 - An automatic system of signaling, control of situation and march of the railroads. : en es
  • FR772422A - Probe for the introduction of coloring agents into the flour : en fr
  • GB418671A - Improvements in photographic cameras for three and four-colour photography : en
  • SU39363A1 - Parachute for mine cages : en ru
  • FR772455A - A flexible pipe : en fr
  • GB418621A - Improvements in or relating to closure discs for sprinkling cartons and like containers : en
  • GB418701A - Improvements in baby carriages : en
  • CH172754A - Writing pen, mainly fountain pen. : de en
  • GB418605A - Improvements in or relating to illuminated clocks : en
  • SU39511A1 - Machine for cutting tapered threads on carbon electrodes : en ru
  • CH172807A - Electric push button control. : de en
  • PL20572B1 - Method for the production of sodium dichromate. : en pl
  • SU39524A1 - Lip harmonica : en ru
  • SU39684A1 - The method of obtaining a disinfectant drug : en ru
  • DE604859C - Pyrophoric gas lighter : de en
  • ES134929A1 - A special manufacturing process of sponge-type rubber, for seats, mattresses, cushions, pillows and similar articles without springs. : en es
  • US1979051A - Locking device for revolving members : en
  • CA345562A - Homogeneous rubber deposition : en fr
  • SU39215A1 - Stop start mechanism : en ru
  • US1978637A - Car truck bolster lock : en
  • PL20497B1 - A method of making a non-riveted corrugated palisade wall made of zets. : en pl
  • US1979072A - Telephone booth : en
  • US1979200A - Filter or strainer : en
  • CH172813A - Gear pump for rayon spinning machines. : de en
  • ES135436A1 - Process for manufacturing tanks or boots for liquids, especially wines. : en es
  • CH172846A - Winding body for cable cords. : de en
  • CH172959A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • ES135396A1 - Improvements in closures or hydrostatic valves, especially in siphon evacuation devices. : en es
  • GB418596A - Improvements in or relating to modulated carrier wave transmitters : en
  • US1978736A - Cam and slide mechanism : en
  • US1978807A - Method of producing laminated products : en
  • US1978929A - Slicing machine : en
  • CA345590A - Wheeled toy : en fr
  • DE604910C - Process for the preparation of reaction products from ketene : de en
  • DE605015C - Device for switching a double-stroke dobby machine driven by the loom to manual operation : de en
  • SU39598A1 - Wooden ship without frames : en ru
  • US1978675A - Soluble ink fountain pen : en
  • SU39410A1 - Gear teeth measuring device : en ru
  • SU39487A1 - Electromagnetic balancer device : en ru
  • SU39701A1 - High Altitude Wind Power Station : en ru
  • US1978913A - Automatic air release means for vacuum systems : en
  • SU39203A1 - Device for braking the train out of the way : en ru
  • US1978796A - Method and apparatus for the manufacture of rubber thread : en
  • CH172748A - Image and sound recording or reproducing apparatus for separate recording media. : de en
  • SU39609A1 - Device for switching current from one group to another : en ru
  • US1978591A - Electric cable : en
  • US1978677A - Combination os uteri-locating device and medical applicator : en
  • PL20488B1 - Flexible insole for footwear. : en pl
  • US1978416A - Variable speed transmission : en
  • CA345710A - Sprinkler exhauster : en fr
  • SU39289A1 - Method for reducing dibenzatron oxidation product and methylation of the resulting substance : en ru
  • US1979149A - Stop joint for liquid filled cables : en
  • ES135434A1 - Procedure of sterilization of liquids, by means of a process of emulsion of these with the insoluble metals or compounds of microbicidal properties and easy emulsifier. : en es
  • ES135557A3 - Process for the manufacture of alkaline hyposulfites or hydrosulfites. : en es
  • FR772580A - Oil heating installation, in particular for domestic appliances : en fr
  • CH172783A - Process for nitriding of corrosion-resistant iron and steel alloys. : de en
  • CH172915A - Grip device for pneumatic tires. : en fr
  • CA345586A - Variable speed mechanism : en fr
  • CH172687A - Hot water bottle. : de en
  • CH172785A - Heatable supplement for veneering. : de en
  • FR772568A - Liquid shock absorber for vehicle suspension : en fr
  • FR772649A - Automatic switching system for varying the direction and speed of rotation of a motor using a relay sensitive to very low currents : en fr
  • GB418749A - Improvements in or relating to remote control or transmission devices : en
  • SU39377A1 - Milling machine for processing shaped surfaces : en ru
  • SU39073A1 - Record Keeper : en ru
  • SU39443A1 - A device for sampling water and soil from the bottom of reservoirs : en ru
  • US1979071A - Engine : en
  • US1979121A - Method for treating textile goods of any description : en
  • CA345667A - Separable fastener : en fr
  • CH172779A - Iron alloy for the manufacture of rustproof, acid and high heat resistant objects. : de en
  • DE604961C - Reamer sharpening device : de en
  • DE604991C - Sealing lids for thin-walled metal drums for packing, storing and shipping, especially of calcium carbide : de en
  • US1979078A - Pea vining and threshing process and apparatus : en
  • US1978521A - Cutting machine : en
  • CA345678A - Resilient mounting : en fr
  • CH172849A - Process for the manufacture of resistors with a negative temperature coefficient. : de en
  • GB418618A - Device for drawing and fixing roller blinds : en
  • GB418687A - Improvements in and relating to radiator installations for heating buildings : en
  • GB418763A - Improvements in or relating to the joining of articles of rubber or the like : en
  • PL20483B1 - An airplane with freely rotating curtains. : en pl
  • SU39191A1 - The method of movement of refrigeration steam locomotives by screw thrust : en ru
  • PL20557B1 - A method of disengaging the pawl, the shaft-engaging linkage of straw balers or similar machines with a driving shaft, and a device for this purpose. : en pl
  • SU39284A1 - Device for automatic control of turning on the main oil switch of an electric arc furnace : en ru
  • US1979175A - Pin tool : en
  • US1978422A - Method and apparatus for the manufacture of tubes : en
  • US1979090A - Bus clamp : en
  • US1978536A - Apparatus for producing solutions : en
  • US1978703A - Slitter : en
  • US1978965A - Tandem offset disk harrow : en
  • US1979011A - Disappearing carriage for aircraft : en
  • PL20461B1 - A method of catalytic oxidation and purification of organic compounds. : en pl
  • SU39453A1 - Device for transmitting electrical energy to mobile current receivers : en ru
  • US1978431A - Process of producing nitrites : en
  • USD93736S - Design for an air-cooled penholder : en
  • US1978793A - Bushing for dehydrators : en
  • US1978934A - Mounting means : en
  • US1979096A - Transformer : en
  • US1979193A - Method of making shoe lasts : en
  • PL20477B1 - Spark plug for internal combustion engines. : en pl
  • US1978615A - Door bolt and lock : en
  • SU39135A1 - Paper feeder for writing machines : en ru
  • US1978466A - Signal selecting circuit : en
  • US1979151A - Manufacture of alkali carbonate or alkali hydroxide : en
  • SU39647A1 - Suspended gymnastic circus d : en ru
  • US1978480A - Pumping mechanism : en
  • USD93701S - Design for a flexible pocket : en
  • ES135515A1 - A new system of seeder machine, especially for beet and legumes. : en es
  • FR772512A - Advanced reflector device applicable to alarms, signals, etc. : en fr
  • GB418798A - Improvements in or relating to processes of hydrolizing titaniferous solutions : en
  • FR772479A - Process for protecting pipes and other objects, as well as protective screens for the application of this process : en fr
  • DE604808C - Machine for casting stereotype plates or back-casting of galvanos : de en
  • FR772621A - Process for the manufacture of compositions comprising chlorinated rubber and synthetic plastics : en fr
  • FR772627A - Grid for boiler hearths or other applications : en fr
  • GB418901A - Improvements in or relating to the manufacture of sliding clasp fasteners : en
  • FR772546A - : fr
  • FR772562A - Timed control device for the protection of power lines by staggered tripping times : en fr
  • AU1523133A - Method forthe production of hydrogenation products ofthe follicle hormones : en
  • CH172880A - Circuit arrangement for receiving signals by means of discharge tubes with a sudden discharge. : de en
  • FR772629A - Projector refinements : en fr
  • GB418703A - Improvements in or relating to arrangements of change wheels for coin-operated meter mechanisms : en
  • GB418912A - Apparatus for playing a ball game of skill : en
  • GB418826A - Improvements in or relating to disc mills : en
  • DE604882C - Electric stove with one or more hotplates with live parts that are not accessible from the outside and a switching device : de en
  • GB418860A - Improvements in or relating to cycle and like lamps : en
  • US1978531A - Collar : en
  • DE604975C - Color sleeve : de en
  • FR772414A - Device for automatic connection of accumulator batteries to a charging circuit : en fr
  • ES134969A1 - Improvements in the construction of a lining or shoe for presses or ironing boards by steam. [GOES TO UTILITY MODEL No. 3105]. : en es
  • USD93740S - Design for a lamp shade : en
  • FR772424A - Gear change mechanism, especially for automobiles : en fr
  • US1978749A - Heat recovery and washing system for sulphite pulp : en
  • US1978782A - Window : en
  • DE604674C - Process for the production of lens mounts : de en
  • FR772655A - Folding box : en fr
  • GB418718A - Improvements relating to searchlights : en
  • DE604948C - Automatic adjustment device for a gear unit that executes a certain stroke : de en
  • FR772465A - Electrical scanning device for machines working with punched cards, in particular for sorting : en fr
  • ES135410A1 - PROVISION FOR THE CUSHIONING OF SHOCK PRODUCED BY SHOCK, BY MEANS OF SPRINGS, PARTICULARLY FOR AUTOMOBILE VEHICLES : en es
  • US1978582A - Belt drive : en
  • US1979139A - Furnace : en
  • DE565713C - Process for the continuous grinding and polishing of glass plates : de en
  • DE605030C - Arrangement of intermediate amplifiers in transoceanic telephone cables : de en
  • FR772575A - Improvement in the manufacture of lightweight deep-drawn type packaging : en fr
  • FR772489A - Improvements to endless belt stretching mechanisms : en fr
  • GB418890A - Improvements in or relating to gramophones : en
  • FR772616A - Navigation device : en fr
  • ES135050A1 - Improvements in the manufacture of electric capacitors. : en es
  • ES135372A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • GB418810A - Improvements in thermally-controlled electric short-time switches : en
  • FR772596A - Hand crank mechanism with automatic locking for sliding windows : en fr
  • CA345665A - Spindle bearing : en fr
  • US1978755A - Manufacturing readily soluble basic dyes : en
  • US1979095A - Cylinder lock : en
  • US1979146A - Grinding wheel spindle : en
  • US1978499A - Striking bag : en
  • GB418679A - Improvements in or connected with water heaters : en
  • DE604941C - Diffusion or steam jet pump : de en
  • DE604812C - Printing drum for rotary stencil printer : de en
  • SU39127A1 - Swing steam distribution valve for steam engines, and in particular for locomotive engines : en ru
  • SU39574A1 - Copy machine : en ru
  • US1979162A - Starting mechanism : en
  • ES135357A1 - Switch and coil holder. : en es
  • DE604856C - Impeller for bicycles : de en
  • GB418911A - An improved nog or support : en
  • SU39108A1 - The method of obtaining amino-anabasine : en ru
  • US1978400A - Rotary hydraulic air compressor and centrifugal pump : en
  • US1979113A - Sound recording and reproducing machine : en
  • FR772644A - Viscosity correction device in liquid fuel burners : en fr
  • GB418714A - An improved process for making pure chromium compounds : en
  • GB418715A - Improvements in or relating to pouring devices for cans or like containers : en
  • CH172833A - Method and device for feeding steam generators for high pressure. : de en
  • CA345645A - Electric switch : en fr
  • GB418843A - Improvements in or relating to adjustable windows : en
  • GB419143A - Improvements in rotary agricultural cultivating implements : en
  • FR772538A - : fr
  • GB418908A - A method of manufacturing light ferro concrete blocks suitable for house building and the like purposes : en
  • ES135378A1 - Alarm signal system by means of detonations. : en es
  • DE601986C - Wind power machine with a multi-cylinder air compressor with reciprocating working pistons, which are switched on and off one after the other by a centrifugal regulator : de en
  • DE604802C - Safety device for gas tongues provided with a double safety device : de en
  • DE604949C - Accordion or the like : de en
  • FR772654A - Process for filtering the exhaust gases of internal combustion or combustion engines : en fr
  • DE605010C - Hand-held grinder : de en
  • ES135116A1 - IMPROVEMENTS IN THE MANUFACTURE OF MUDS FOR VIOLINS OR VIOLAS : en es
  • SU39393A1 - The method of obtaining nickel from poor ores : en ru
  • SU39431A1 - Lever instrument for determining the strength of coal and rocks in the face : en ru
  • CA345741A - Cellulose ester : en fr
  • SU39603A1 - Machine for grinding the circumference of the tractor and automotive asbestos clutch discs : en ru
  • US1978441A - Variable displacement pump : en
  • US1978853A - Brush : en
  • DE604942C - Inhaler : de en
  • GB418856A - Improved construction of show card or display stand : en
  • GB418946A - Improvements relating to the manufacture of rubber insulated cables : en
  • FR772672A - Manufacturing process of alloys containing silicon : en fr
  • DE604454C - Arrangement for the directional transmission of sound in water : de en
  • US1978862A - Control device : en
  • AU1274833A - Outerwear garments : en
  • US1978668A - Method of determining geological structure : en
  • PL20481B1 - Electrodynamic speaker. : en pl
  • SU39447A1 - A device for solving rectangular triangles : en ru
  • US1978735A - Sandwich toaster : en
  • SU39518A1 - Device for supporting or pushing rivets on nuts on piston rods of steam-air steam engine pumps : en ru
  • SU39536A1 - Automatic paper meter on paper machine : en ru
  • GB418724A - Improvements in or relating to cylindrical roller bearings : en
  • GB418951A - Improvements relating to tubulous steam generators : en
  • US1979002A - : en
  • SU39588A1 - Lock for hood : en ru
  • US1978769A - Pneumatic bumper cover : en
  • SU39428A1 - Fabric testing machine : en ru
  • US1978520A - Refrigerating apparatus : en
  • US1978692A - Magneto : en
  • CH172825A - Starting device for internal combustion engine. : en fr
  • PL20548B1 - Electric mining lantern. : en pl
  • US1978831A - Slidable faucet valve : en
  • US1979156A - Apparatus for making shaped articles : en
  • FR772425A - Grinding machine with grinding wheel advance mechanism : en fr
  • FR772622A - Reversible inkwell : en fr
  • PL20470B1 - A piston for the storage of anhydrous gases. : en pl
  • SU39166A1 - Two-wheeled car with two wheels located at the ends of the car : en ru
  • SU39576A1 - The method of applying scales or grids photographically on the conical, spherical or hyperbolic surfaces of various blanks : en ru
  • US1978888A - Cotton harvester : en
  • US1978999A - Transmission hoist : en
  • US1979106A - Apparatus for treating cinematograph films : en
  • SU39667A1 - Needle sorting machine with points pointing in different directions : en ru
  • SU39681A1 - Mobile Dryer : en ru
  • US1978823A - Process for the preparation of alumina poor in silicic acid from alkaline earth aluminates : en
  • DE604881C - Electrolytic cell, particularly electrolytic capacitor : de en
  • DE604913C - Phase compensation for voltage-symmetrical three-phase networks with single-phase loading : de en
  • FR772463A - Compartmentalized boat : en fr
  • US1978751A - Process for making alkali metal nitrates : en
  • CH172931A - Method for regenerative braking with valve-controlled motors. : de en
  • DE563031C - Reversible and exchangeable shoe heel patch : de en
  • SU39299A1 - Fatty acid emulsion production method : en ru
  • US1978818A - Frequency stabilization : en
  • USD93713S - Combined bottle and stopper : en
  • ES135397A1 - A procedure for the manufacture of carpets. : en es
  • FR772447A - Illuminated signaling nail : en fr
  • SU39062A1 - Device for punching fleetz cage : en ru
  • SU39587A1 - Flying wing : en ru
  • US1978496A - Tree for boots : en
  • US1978707A - Bearing : en
  • US1978956A - Mattress : en
  • DE594287C - Electric inclination scale : de en
  • GB418878A - Braking device for kinematographic targets : en
  • SU39240A1 - A method of making an electric cable : en ru
  • SU39491A1 - Layer for stepped pulleys : en ru
  • US1978884A - Method of reclaiming aluminous oxide grains or the like : en
  • US1978935A - Attaching means : en
  • US1979120A - Undergarment : en
  • SU39550A1 - Fixture for shutter release : en ru
  • US1978460A - Refrigerating apparatus : en
  • US1978402A - Water pressure calculator : en
  • FR772608A - Shuttle fighter : en fr
  • GB418927A - Magneto electric machines especially for internal combustion engines : en
  • FR772579A - Mechanical lifting device for sugar mill cones : en fr
  • GB418879A - A heating pad for use in hair waving : en
  • US1978732A - Trenching machine : en
  • GB418855A - Improved apparatus for harrowing grass and arable land : en
  • CH172689A - Pouring device on seam lock boxes. : de en
  • CH172749A - Enlarging apparatus for photographic purposes. : de en
  • ES135468A3 - Procedure for laying floor, ceiling and wall coverings. : en es
  • DE605050C - Guide rail for crawlers : de en
  • SU39356A1 - The method of obtaining molded mass for casting quality steel : en ru
  • US1978477A - Burner : en
  • US1978850A - Cop winding : en
  • FR772645A - Device for filing tiered loose-leaf sheets with visible margin : en fr
  • FR772692A - Improvements to high altitude oxygen inhalers : en fr
  • ES135342A1 - A gasometer without water. : en es
  • GB418723A - A manufacture of primary diterpene-alcohols : en
  • GB418786A - Hydraulic binder : en
  • FR772688A - Device for actuating bomb carriers and bomb launchers for airplanes : en fr
  • SU39074A1 - Apparatus for rectification with one-way flow of liquid and gas in the horizontal plane : en ru
  • US1978588A - Beverage cooling and dispensing equipment : en
  • SU39195A1 - Device for electrical control of arrows : en ru
  • US1979192A - Suspension system for motor road vehicles : en
  • SU39080A1 - Method of casting into lumps of sulfur lumps : en ru
  • PL20518B1 - Photographic film magazine. : en pl
  • SU39640A1 - Adaptation to traversing machines to break the second thread when one of them breaks : en ru
  • US1978880A - Production of complex metal compounds of ortho-hydroxyazo dyestuffs : en
  • US1979186A - Lock : en
  • SU39627A1 - Turntable table for coloring : en ru
  • US1979202A - Quirker : en
  • SU39145A1 - Method of air liquefaction : en ru
  • SU39248A1 - Switch for reversing electric motors : en ru
  • SU39099A1 - The method of obtaining citric acid : en ru
  • SU39119A1 - Primary resin distillation method : en ru
  • USD93733S - Design for a thermometer for cook : en
  • US1979016A - Sterile modeling clay : en
  • ES135556A1 - A machine for copying lenticular lattice films. : en es
  • GB418785A - Burner for gas stoves : en
  • GB418909A - A new or improved container for pills or tablets : en
  • GB418736A - Improvements in apparatus for cleaning drinking vessels and the like : en
  • SU39335A1 - The method of manufacture stitch protective plates for artificial teeth : en ru
  • ES135464A2 - AN ELECTRIC DISCHARGE TUBE : en es
  • FR772456A - Lung breathing mask : en fr
  • GB418642A - Improvements in and connected with electric resistances : en
  • US1978625A - Wall board : en
  • US1978984A - Art of recovering blended fuels : en
  • US1978503A - Method of and apparatus for applying covers to crown packed shipping cases : en
  • US1979159A - Photographic finder : en
  • SU39069A1 - A device for turning peat bricks : en ru
  • US1978623A - Sprinkler head : en
  • GB418961A - Spectacles and eyeglass frames : en
  • PL20539B1 - Method of producing detonators. : en pl
  • CA345654A - Fluid pressure brake : en fr
  • SU39161A1 - Ballast sand blower for raised sleeper : en ru
  • US1979169A - Settling apparatus : en
  • ES135352A1 - Alarm device against theft. : en es
  • GB418649A - Improvements in and relating to electric motor control systems : en
  • US1979068A - Phonograph : en
  • US1979148A - Joint for electric cables : en
  • CA345681A - Sesame oil processing : en fr
  • DE605088C - Forceps-like device for surgical purposes, in particular for fastening bandages together : de en
  • ES135536A1 - A new fumigator device. : en es
  • SU39481A1 - Fuel pump for non-compressor internal combustion engines : en ru
  • GB418713A - Improvements in or relating to built-up effigies : en
  • DE604971C - Casting device for stereotype plates : de en
  • DE604870C - Inking unit for rotogravure printing machines : de en
  • CA345641A - Feedback amplifying circuit : en fr
  • CH172781A - Method and device for peeling raw parts. : en fr
  • SU39291A1 - The method of extraction of rosin from fir serc : en ru
  • SU39635A1 - Adaptation to tape banks with rugs and watering machines for pre-combing cotton ribbon or roving : en ru
  • SU39529A1 - The method of manufacture of feed means : en ru
  • SU39614A1 - Winding device for polishing and similar machines for rewinding the twine into skeins : en ru
  • US1978527A - Shim : en
  • US1978451A - Jack : en
  • US1978798A - Tube paste dispenser and valve closure therefor : en
  • USD93731S - Design for an airplane : en
  • US1978915A - Folding gocart : en
  • SU39697A1 - Manual vice : en ru
  • US1978795A - Refrigeration apparatus : en
  • US1979231A - Piping, welting, or the like : en
  • PL20503B1 - Rolling mill for continuous rolling of wire or fine shapes. : en pl
  • SU39695A1 - Weaving device for determining the movement and landing of a shuttle in a shuttle town : en ru
  • US1978456A - Binaural address system : en
  • US1978714A - Lubricating means : en
  • SU39044A1 - The device of distillation columns from ferrous metals : en ru
  • US1978455A - Container and closure therefor : en
  • US1978570A - Continuous belt fed press : en
  • US1978754A - Loose-leaf book construction : en
  • CH172711A - Shoes, in particular for sports purposes. : de en
  • CH172747A - Accounting typewriter. : de en
  • DE605080C - Electric circuit breaker : de en
  • GB418761A - Improvements in or relating to the casting of metals : en
  • GB418624A - Improvements in or relating to photographic film packs : en
  • CH172861A - Electrically heated bright annealing furnace. : de en
  • FR772474A - Process for manufacturing azo dyes containing copper : en fr
  • GB418844A - Improvements in and relating to elevating or storing apparatus for automobiles and like vehicles : en
  • CH172798A - Connecting rod bearings, in particular for sewing machines. : de en
  • DE604945C - Lido facility, especially for inland waters : de en
  • CH172691A - Card with rotating hats, for cotton spinning. : en fr
  • DE604706C - Tiltable foundry for flat stereotype plates with a melting pot attached to the lower plate : de en
  • DE604829C - Process for the distillation of zinc and similar metals : de en
  • CH172735A - Process for the production of a new vat dye. : de en
  • CH172944A - Device for loading the creel on winding machines. : de en
  • FR772592A - Buffet-table : en fr
  • BE405046A - IMPROVEMENTS TO REINFORCEMENTS BY HOT WRAPPING : en fr
  • GB418712A - Improved process for scaling tubes : en
  • DE604891C - Volume reducer : de en
  • GB418685A - Improvements in and connected with sorting and/or grading apparatus : en
  • GB418755A - Improvements in and relating to hydraulic variable-speed gearing : en
  • GB418859A - A process for obtaining products containing spinels : en
  • SU39429A1 - Lever device for testing materials for hardness by scratching : en ru
  • SU39474A1 - Mode of operation of internal combustion engine : en ru
  • CA345711A - Sprinkler alarm mechanism : en fr
  • CH172832A - Water tube boiler. : de en
  • DE605018C - Rolling machine with rolls working across the workpiece for the production of copper studs : de en
  • CH172945A - Process for the production of a ribbed warp knitted fabric on a single-needle warp knitting machine. : de en
  • ES135495A1 - An improvement in the manufacture of wooden wheels for bicycle wheels, motorcycles, tricycles or any other kind of vehicle. : en es
  • ES135498A1 - Lighting device without shadows, suitable for surgery, especially eye surgery. : en es
  • GB418594A - Improvements relating to means for operating ring flyers in machines for spinning and doubling cotton and other fibrous substances : en
  • FR772634A - Method and apparatus for the treatment of fuels : en fr
  • FR772547A - Advanced training in garden plows : en fr
  • DE604858C - Concave mirror that can be placed on the burner head of cookers and stoves and surrounds the burner head : de en
  • GB418851A - Hair driers : en
  • GB418888A - Improved locking arrangement for nuts : en
  • SU39049A1 - Needle Sharpener : en ru
  • US1979092A - Insulator : en
  • FR772589A - Improvements to machines to trim the ends of the welt of a shoe before the display of the second sole : en fr
  • GB418750A - Improvements in and relating to furnaces for boilers and the like : en
  • GB418780A - Improvements in or relating to method of and apparatus for testing gears of helical type : en
  • SU39401A1 - Apparatus for dividing circular arcs into parts : en ru
  • SU39483A1 - The method of electric ignition of the working mixture in internal combustion engines : en ru
  • SU39194A1 - Device for feeding iron to a steam locomotive : en ru
  • USD93746S - Design fob a lamp shade : en
  • SU39133A1 - A device for lifting a paper foot in a handset : en ru
  • SU39600A1 - Life saving device : en ru
  • SU39625A1 - Wire Enamelling Furnace : en ru
  • PL20524B1 - Potato steamer. : en pl
  • SU39174A1 - Wheel for railway carts : en ru
  • SU39244A1 - Device for electrically connecting portable communication devices to communication lines : en ru
  • SU39202A1 - Device for braking the train out of the way : en ru
  • US1979122A - Friction power transmission for vehicles : en
  • ES135048A1 - An improved device for circulating the glass through the collection tanks of the glass oven. : en es
  • SU39043A1 - Distillation column : en ru
  • ES135485A1 - An electric lock, by combination of letters or figures, applicable to strong chests. : en es
  • GB418945A - Method of preparing shellac solutions for the production of etched photographic printing formes : en
  • US1978877A - Berry picker's sack : en
  • SU39113A1 - Ammonium Iodide Preparation Method : en ru
  • US1978977A - Mechanical element and bearing therefor : en
  • CA345631A - Garment : en fr
  • SU39549A1 - Central shutter for aerial camera : en ru
  • CH172672A - Automatic window blind winch. : de en
  • CH172705A - Sheath. : en fr
  • SU39031A1 - Electromagnetic Sepator : en ru
  • US1978548A - Toy : en
  • DE604744C - Tobacco box with winding device : de en
  • GB418839A - Improvements in coin-freed vending machines : en
  • GB418974A - Improved oil-fuel burner for industrial purposes operated by fandraught or other low air-pressure device : en
  • US1979217A - Draft rigging : en
  • DE604956C - Helicopters with one or more rotors : de en
  • SU39314A1 - The method of the combined tanning with vegetable tanning agents of several varieties of golf : en ru
  • SU39471A1 - A device for injecting rodents with a liquid poisonous substance : en ru
  • CH172788A - Razor. : de en
  • SU39286A1 - Mechanism for automatic feeding of electrode wire during electric arc welding : en ru
  • US1979143A - Device for cleaning passages : en
  • US1979207A - Carton filling machine : en
  • CH172719A - Process for the preservation of fish and shellfish by cold, and installation for its implementation. : en fr
  • US1979112A - Remote control system : en
  • US1979022A - Elevator doorlock : en
  • DE604860C - Device for the extraction in the mine : de en
  • DE604946C - Steering device for the front cart of agricultural machines : de en
  • DE588377C - Drip stopper : de en
  • SU39138A1 - Instrument for the production of records on the system of copier-accounting : en ru
  • US1978486A - Rimless eyeglass mounting : en
  • US1979228A - Advertising make-up, follow-up, and lay-out apparatus : en
  • USD93722S - Design for a hand bag frame : en
  • SU39411A1 - Device for measuring the distance between the axes of parallel holes : en ru
  • US1978509A - Process for magnetic separation of emulsions : en
  • US1979126A - Process of treating chemicals and apparatus therefor : en
  • US1978669A - Dual brake apparatus for automobiles : en
  • US1978962A - Washing of nitrocellulose and the like : en
  • SU39158A1 - The way to straighten rail butt fractures : en ru
  • SU39163A1 - The method of moistening forests and soils when building or repairing dirt roads : en ru
  • SU39025A1 - Hard Asbestos Separator : en ru
  • CH172716A - Process for the production of yeast. : de en
  • CH172775A - Method for determining the power factor for a maximum load occurring during a certain time interval in AC systems using two periodically simultaneously controlled meters, one measuring active consumption and the other measuring reactive consumption. : de en
  • US1978589A - Web detector for printing presses : en
  • US1978606A - Carrier support for reciprocating conveyers : en
  • DE604920C - Process for the preparation of cyclic 1,2-aminoketones : de en
  • DE604953C - Photographic receiving chamber with a finder chamber arranged above the receiving chamber : de en
  • US1979049A - Package for safety pins and the like : en
  • US1978424A - High power demountable electron tube : en
  • SU39264A1 - Electrodynamic device : en ru
  • US1978554A - Dating and numbering cylinder : en
  • PL20464B1 - Machine for grinding helical gear wheels. : en pl
  • SU39159A1 - Device for driving crutches into sleepers : en ru
  • SU39208A1 - Device for telephone communication between the control and executive posts : en ru
  • SU39424A1 - Electric temperature controller for steam heated devices : en ru
  • US1978683A - No roll back device : en
  • CA345673A - Cellulose ester product : en fr
  • CA345709A - Sprinkler alarm mechanism : en fr
  • US1978844A - Marine anchor : en
  • CA345669A - Vibrating screen : en fr
  • CH172961A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • CH172903A - Single-wheel trailer for motor vehicles. : de en
  • CH172941A - Process for the production of artificial structures. : de en
  • PL20521B1 - : en pl
  • SU39612A1 - Artificial scattering mechanism for multi-barreled machine guns : en ru
  • US1978397A - Gas pressure regulator : en
  • PL20460B1 - A device for opening and closing the gate valves with a sliding spindle from a distance. : en pl
  • US1978648A - Shaker chute construction : en
  • CH172753A - Clip for tank pen holder, mechanical pencil or other object. : en fr
  • CA345604A - Goggle attachment : en fr
  • SU39112A1 - Method for preparing ethoxyphenylnigroanthranilic acid : en ru
  • CH172898A - Suitcase that can be used as a folding table with seats. : de en
  • DE604864C - Process and device for degassing and gasifying carbonaceous substances : de en
  • ES135437A1 - A mechanical fuze of artillery projectile. : en es
  • GB418737A - Improvements in and relating to electric switches provided with arc quenching means : en
  • GB418792A - Improvements in or relating to linear dimension gauges : en
  • SU39512A1 - Flange machine : en ru
  • CA345661A - Sodium vapor lamp : en fr
  • CA345704A - Electromagnetic relay : en fr
  • US1978945A - Apparatus for the distillation of coal : en
  • PL20458B1 - A device for closing the gate with a sliding spindle from a distance. : en pl
  • PL20495B1 - Clamp for pens, pencils and similar items. : en pl
  • SU39629A1 - Metal Spray Gun : en ru
  • US1978497A - Cigarette case : en
  • USD93711S - Design fob a shoe : en
  • US1978435A - Electrically controlled irrigating apparatus : en
  • US1979075A - Engine : en
  • US1979101A - Transmission system : en
  • CH172659A - Liquid fuel heating apparatus. : de en
  • CH172680A - Seating device with resilient bars, in particular for automobiles. : de en
  • CH172765A - Ball game. : de en
  • DE604965C - Zipper for opening cigarette packs or the like. : de en
  • GB418644A - Improvements in or relating to shipping slings for motor vehicles : en
  • GB418748A - Improvements in or relating to methods of and apparatus for ventilating enclosures : en
  • SU39169A1 - Method of increasing locomotive tractive effort : en ru
  • US1978761A - Door seal : en
  • US1978825A - Convex crystal and method of making same : en
  • SU39388A1 - The method of obtaining rubber compounds : en ru
  • US1978537A - Process of refining metals : en
  • US1978561A - Percolator : en
  • PL20517B1 - The method of producing printing plates. : en pl
  • SU39274A1 - Device for powering three-electrode electric mercury lamps : en ru
  • SU39463A1 - Cotton harvesting machine : en ru
  • US1978899A - Vending machine : en
  • CA345634A - Electric discharge device : en fr
  • FR772485A - Liquid soap dispenser : en fr
  • SU39237A1 - Meidinger Stopper : en ru
  • US1978997A - Power actuated carriage return mechanism : en
  • DE605044C - Process for the production of sound-permeable projection surfaces : de en
  • CH172739A - Match waxing and dunking machine. : de en
  • CH172751A - Process for the production of light-sensitive layers by means of diazo compounds. : de en
  • SU39226A1 - Method to improve radio performance : en ru
  • US1979020A - Telephone exchange system : en
  • US1979062A - Washing machine : en
  • CH172772A - Tape recording apparatus or machine. : de en
  • US1979059A - Punch retainer : en
  • SU39563A1 - Door for cinematographic apparatus : en ru
  • DE604815C - Device for automatic securing of the coupling connected to the automatic central buffer coupling for steam lines, compressed air lines and power cables on railway vehicles : de en
  • GB418584A - Improvements in or relating to fluid pumps and motors : en
  • US1978443A - Screening pulp : en
  • DE605063C - Electric butt welding machine : de en
  • US1978515A - Seat cover package : en
  • US1978964A - Dustless rock drill : en
  • USD93721S - Design fob a hand bag frame : en
  • US1978535A - Check printing mechanism for cash : en
  • USD93715S - Design for a vanity case ob similar : en
  • PL20498B1 - A method for producing fine gas and an apparatus for carrying out the method. : en pl
  • SU39442A1 - A device for mass preparation of a progressive dilution. : en ru
  • US1979102A - Controlling rate of acceleration and retardation of elevator equipment : en
  • US1978866A - Fluid pump and drive means therefor : en
  • SU39509A1 - Method of protection against rusting of ferrous metals under the action of water : en ru
  • SU39626A1 - Palette : en ru
  • US1978723A - Brake : en
  • SU39465A1 - Device for stump clearing using a stop lever : en ru
  • US1978581A - Alternating current motor : en
  • PL20530B1 - A method of copying movies, and a machine for carrying out the method. : en pl
  • SU39611A1 - Device for shooting small-caliber cartridges with automatic fire from revolver Nagant : en ru
  • US1978601A - Combination cigarette and cigar holder and ejector : en
  • SU39050A1 - Adaptation to rejection machines for fabrics for trapping foreign objects : en ru
  • GB419290A - Improvements in polarised electric relays : en
  • DE605067C - Process for making photosensitive recording films : de en
  • DE604795C - Cash register or accounting machine with several groups of special keys arranged in a single key bank and adding and counter groups assigned to these key groups : de en
  • DE605047C - Cinematographic device : de en
  • GB418835A - The production of multi-coloured artificial cellulosic materials in the form of bottle capsules : en
  • ES135108A1 - DEVICE FOR THE MANUFACTURE OF GLASSES OF WHICH CAN BE MADE BY COLD EMBUTITING PODS FOR CARTRIDGES AND BLANKETS FOR PROJECTILES : en es
  • GB418706A - Improvements in and relating to relay systems for producing amplified torque : en
  • GB418629A - Improvements relating to electrical condensers : en
  • GB418977A - Improvements in or relating to flexible diaphragm fuel pumps : en
  • US1978701A - Heat control method and apparatus : en
  • DE604846C - Schuetzenwaechterschere : de en
  • CA345603A - Railway car roof : en fr
  • CH172841A - Electric drive device for cutting, cleaning or polishing tools used for personal hygiene. : de en
  • CH172875A - Permanent hair waving device. : de en
  • CH172972A - Device for determining the shape of human and animal body parts, in particular human feet. : de en
  • PL20493B1 - Crate for transporting goods. : en pl
  • SU39290A1 - The method of separation of indophenols and the use of the latter to obtain sulfur dyes : en ru
  • FR772543A - : fr
  • CA345587A - Nut lock : en fr
  • CA345715A - Typewriter margin stop : en fr
  • CH172660A - Oil firing provided with a crude oil gasifier and a burner. : de en
  • CH172728A - Process for the preparation of 1-amino-2,3-dimethylanthraquinone. : de en
  • CA345578A - Pipe cutting and bevelling apparatus : en fr
  • DE604863C - Full ring brush : de en
  • CH172840A - Connection device for brushes of electric machines. : en fr
  • CA345656A - Piston rod collar : en fr
  • CH172700A - Device for holding the free end of balls of yarn, wool and the like. : de en
  • CA345686A - Cigar machine : en fr
  • AU1481533A - Improvements in or relating to radio receivers : en
  • CA345733A - Telephone system : en fr
  • CA345742A - Earth boring drill : en fr
  • US1978674A - Grinding machine : en
  • SU39207A1 - Device for switching inductor of batons of intermediate station without traveling and overrunning ways : en ru
  • US1978925A - williams : en
  • US1979119A - Device for aiding in the selection of cosmetics : en
  • CH172654A - Door lock. : de en
  • CH172806A - Safety contact device on shaft doors of electrically controlled elevators. : de en
  • SU39584A1 - Air pump for deep wells : en ru
  • US1979108A - Furnace : en
  • US1978539A - Basic alcohol : en
  • US1978760A - Inking mechanism for rotary printing presses : en
  • CH172856A - Method for the control of multi-phase electrical discharge devices by means of control grids. : de en
  • SU39362A1 - Catching fixtures for mine cages : en ru
  • US1978852A - Slack motion take-up device : en
  • PL20563B1 - Electric apparatus for igniting coal or other combustible masses in furnaces. : en pl
  • US1978427A - Combined circular chaser and turning tool : en
  • CA345579A - Speed gear : en fr
  • CA345736A - Concrete form appliance : en fr
  • ES3021U - Clamping device for windows. (Machine-translation by Google Translate, not legally binding) : en es
  • SU39298A1 - The method of obtaining a shoe ointment : en ru
  • US1978889A - Process of preparing base exchange materials : en
  • CH172746A - Container pressed from cardboard. : de en
  • GB418691A - Improvements relating to the packing of tea and other like materials : en
  • US1979197A - Filter : en
  • SU39507A1 - Method of etching ferrous metals : en ru
  • CA345705A - Telephone system : en fr
  • CH172657A - Room boiler. : de en
  • CH172722A - Extractor system, especially for leaching plant substances such as tanning and colored woods, bark, fruits, tobacco, sugary substances, herbs, drugs, etc. : de en
  • CH172714A - Bottom for oven. : de en
  • CH172744A - Device on file binding machines to enable files of different thicknesses to be bound. : de en
  • SU39292A1 - The method of obtaining artificial resin : en ru
  • US1978650A - Stand : en
  • CA345642A - Alternating current generator : en fr
  • FR772459A - One-sided opening bag frame : en fr
  • PL20489B1 - ^ r ^ 4- ^ rr7ogr "A chair made of resilient bent bars. : en pl
  • SU39350A1 - Furnace for melting non-ferrous metal waste : en ru
  • SU39682A1 - Device for measuring the discharge time of a certain volume of liquid : en ru
  • SU39318A1 - The transporting device for stalks to a single-drum breaking machine : en ru
  • US1978918A - Thermionic tube : en
  • SU39214A1 - Morse Handle : en ru
  • FR772557A - Process for producing lubricating oils : en fr
  • DE591018C - Automatic measuring device : de en
  • DE605020C - Control valve for automatic railway brakes : de en
  • SU39541A1 - A method for preparing capping and liners made of cardboard for capping vodka of artificial and natural mineral waters, wine, etc. : en ru
  • CA345593A - Metal rolling method : en fr
  • CA345648A - Gypsum plaster : en fr
  • CH172681A - Universal table. : de en
  • CH172682A - Folding table. : de en
  • CH172886A - Television broadcast method. : de en
  • US1978835A - Lubricating mechanism : en
  • SU39171A1 - Self-unloading wagon with trough : en ru
  • SU39679A1 - Device for rafting logs : en ru
  • US1978632A - Acoustical construction : en
  • US1978886A - Mechanism for cleaning windshields or the like : en
  • SU39516A1 - Machine for cutting by the method of breaking into the teeth of a dolly Fellow : en ru
  • SU39522A1 - Keyboard harp : en ru
  • SU39668A1 - Machine for pasting boxes with paper tape : en ru
  • US1978713A - Overload circuit breaker : en
  • US1978919A - Card tabulating machine : en
  • SU39221A1 - Telephone translate : en ru
  • SU39689A1 - Device for moving the shuttle in a circular loom : en ru
  • US1978559A - Process of making printing surfaces : en
  • US1978616A - Liquid cooler : en
  • PL20510B1 - A method of obtaining iron alloys with a very low carbon content. : en pl
  • US1978491A - Metal curb : en
  • US1979194A - Airplane having a variable lifting surface : en
  • SU39395A1 - Method and apparatus for uniform deposition of auxiliary metals on the carbide component of the charge for sintering hard alloys : en ru
  • CH172882A - Intermediate frequency heterodyne receiver. : de en
  • US1978439A - Variable transmission : en
  • US1978718A - Blower for corn harvesters : en
  • BE408000R - Wheel control devices for high-speed locomotives : en fr
  • DE605075C - Heating element for installation in the drums of indirectly heated steam generators : de en
  • SU39261A1 - A device for supplying DC with several synchronized asynchronous motors : en ru
  • US1979010A - Cutting apparatus : en
  • BE405100A - : en
  • ES135367A1 - Improvements in the files for cards or tokens. : en es
  • CH172810A - Packing press. : de en
  • CH172939A - Electric tilting tank with support bearings. : de en
  • DE605006C - Rotary lobe pump with pistons that can be moved in the rotating piston drum : de en
  • FR772445A - Improvements to dryer felts for papermaking machines and their assembly method : en fr
  • SU39630A1 - Device for stamping cylindrical articles by rolling them along a fixed die : en ru
  • DE599829C - Wire roller made of steel wire in screw form for military obstacles and police barriers : de en
  • SU39408A1 - An instrument for checking the position of cranks and counter-crank of the driving wheel pairs of locomotives : en ru
  • SU39426A1 - Method for investigating the movement of bottom ice : en ru
  • US1978530A - Hand brake : en
  • US1979210A - Door mounting : en
  • CH172853A - Braun tube, in particular for television purposes. : de en
  • ES135477A3 - A machine for trimming and re-lashing cans of preserves or other products. : en es
  • FR772638A - Gauge for sampling, checking and measuring liquids : en fr
  • CA345573A - Snowmobile : en fr
  • US1978987A - Liquid level indicating device : en
  • CA345588A - Can punch : en fr
  • CH172638A - Double sliding window. : de en
  • CH172736A - Method for producing a cleaning polish for painted and polished objects, in particular automobiles. : de en
  • SU39413A1 - Instrument for testing the internal surfaces of hollow articles : en ru
  • US1978894A - Rolling mill : en
  • BE405155A - Transformer for electric welding arc power supply : en fr
  • CH172938A - Process for denaturing toxic products. : de en
  • SU39220A1 - Letterpress Telegraph : en ru
  • US1978557A - Hand-operated machine for cutting wood and like materials : en
  • US1978627A - Vibrating plunging machine : en
  • US1978695A - Revolving tray : en
  • US1979239A - Equalized multiple bearing swivel : en
  • US1978568A - High-frequency inductance : en
  • US1978833A - Shears : en
  • AU1588734A - Improvements in and relating to directional street refractors : en
  • CH172694A - Conical cheese cone. : de en
  • SU39538A1 - Conical trap settling : en ru
  • US1978738A - Brake system for automotive vehicles : en
  • US1978454A - Method and means for forming special loops in knitted fabrics : en
  • SU39067A1 - Machine for turning and moving peat bricks : en ru
  • SU39184A1 - Instrument for the automatic release of condensate from the main and reserve air brake tanks : en ru
  • US1978930A - Tens transfer device : en
  • SU39528A1 - The method of packaging in the impermeable to the cooling solution shell of food products intended for freezing : en ru
  • US1978960A - Grip strap or toggle : en
  • CH172906A - Body. : de en
  • FR772518A - Coupling system for centrifugal force regulator for electric machines : en fr
  • GB418769A - Improvements in or relating to road and like rollers : en
  • GB418990A - Improvements in or relating to electron discharge devices or valves : en
  • CA345650A - Electrical instrument : en fr
  • US1978841A - Roof : en
  • US1978868A - Treatment of gutta percha, balata, and like thermoplastic natural and artificial products and the manufacture of molded articles therefrom : en
  • US1978898A - Printing device : en
  • ES135217A1 - A chain working thread arrangement with retensioned longitudinal support cable in the transverse cable. : en es
  • GB418852A - Improvements in or relating to leather packing for stuffing boxes : en
  • PL20544B1 - Reflecting device for cameras. : en pl
  • SU39351A1 - Mold for centrifugal injection molding : en ru
  • SU39149A1 - Devices for blowing slag from a mixer : en ru
  • US1979032A - Brake testing apparatus : en
  • USD93709S - Design for a shoe : en
  • DE604916C - Booking engine : de en
  • GB418873A - Improvements in the manufacture and production of malleable iron : en
  • DE604970C - Process for the production of chains, in particular jewelry chains : de en
  • DE604985C - Arrangement for voltage regulation in three-phase networks : de en
  • DE604990C - Thread extraction machine with a special clamping foot : de en
  • GB418647A - Improvements in and relating to electric circuit controlling devices : en
  • CA345693A - Rubber coating method : en fr
  • CH172678A - Deck chair with removable towel. : de en
  • SU39400A1 - Device for measuring the height of trees : en ru
  • SU39515A1 - Separating head for cutting helical teeth, etc. : en ru
  • US1978426A - Apparatus for electrical treatment of fluids : en
  • FR772639A - Advanced device for mounting the eyes in the head of sleeper dolls : en fr
  • US1978672A - Beet harvester machine : en
  • US1978906A - Wheel flange and rail lubricator : en
  • SU39144A1 - Ice Maker : en ru
  • SU39503A1 - Transmission for movement in space of the working body, mainly digging excavators : en ru
  • US1979038A - Device for making urine analysis : en
  • SU39460A1 - Potato harvester with rotating cylindrical drum : en ru
  • SU39655A1 - Method of preparation of portland cement : en ru
  • SU39087A1 - Method of absorbing nitrogen oxides resulting in waste from nitration : en ru
  • US1978681A - Process of abrading : en
  • US1978742A - Hydraulic brake : en
  • CA345675A - Photographic gelatin relief and metal cast : en fr
  • CA345683A - Master clock : en fr
  • CH172897A - Bag, especially purse, wallet, handbag, briefcase, with a puzzle compartment. : de en
  • DE604855C - Process for annealing cores : de en
  • DE604883C - Rotary kiln : de en
  • DE604807C - Index sheet : de en
  • CH172885A - Process for the transmission of optical processes. : de en
  • CH172864A - Safety device on gas burners to prevent gas escaping if the flame is accidentally extinguished. : de en
  • PL20474B1 - Device signaling a drop in air pressure in the rim of a car wheel. : en pl
  • USD93716S - Design for a bathtub : en
  • US1978522A - Vessel capping machine : en
  • US1978811A - Stave : en
  • US1979073A - Chair : en
  • USD93708S - Design fob a shoe : en
  • SU39198A1 - Device to translate the arrow from the wagon : en ru
  • SU39251A1 - Device for automatically switching off an electric motor of a circular saw and braking the latter : en ru
  • SU39354A1 - Fixture for casting fillings : en ru
  • US1979199A - Vegetable cutter : en
  • SU39330A1 - Instrument for transecting the optic nerve : en ru
  • SU39365A1 - Apparatus for limiting the travel of carts or bridges of bridge cranes, stands, hoists or the like. : en ru
  • US1978401A - Electrical switch and receptacle box : en
  • FR772450A - Automatic coin-operated device for electric heating of any objects : en fr
  • SU39077A1 - Extraction processing method for various types of natural solid raw materials : en ru
  • US1978577A - Ornamental radiator cap attachment : en
  • US1978584A - Coupler : en
  • CH172685A - Machine for pastry shops, bakeries, kitchens, etc. : de en
  • SU39417A1 - Device for mounting the membrane in the sound box : en ru
  • SU39445A1 - Counting machine with device for imprinting the required data : en ru
  • SU39319A1 - M flax machine for stalks of bast plants : en ru
  • US1978903A - Clutch mechanism : en
  • SU39036A1 - Crash Clasp : en ru
  • SU39526A1 - Fitting to a sewing machine to get a normal double-sided stitch : en ru
  • US1978448A - Dictaphone machine : en
  • PL20509B1 - Method for producing explosives. : en pl
  • CH172808A - Hydraulic jack. : de en
  • CH172970A - Device for transmitting switching commands in electrical switchgear. : de en
  • SU39101A1 - The method of obtaining semi-liquid polymers of olefinic derivatives : en ru
  • SU39128A1 - Sliding steam valve : en ru
  • US1978459A - Fan or blower housing : en
  • CH172866A - Electric flashlight. : de en
  • CA345618A - Fountain pen : en fr
  • CA345670A - Blowpipe : en fr
  • CA345719A - Optical projection apparatus : en fr
  • US1979176A - Pneumatic conveyer : en
  • PL20522B1 - Sealing for suction boxes of paper machines or the like and the method of its production. : en pl
  • US1979147A - Apparatus for cleaning beer coils or other pipes : en
  • US1978990A - Apparatus for power transformation : en
  • US1978719A - Box partition : en
  • US1978941A - Milking machine : en
  • CH172946A - Device for treating skeins of yarn with liquids. : de en
  • FR772429A - Wire pulling machine : en fr
  • SU39082A1 - The method of processing of acid tar : en ru
  • US1979140A - Cutting-off machine : en
  • US1978745A - Method of and system for taking x-ray photographs : en
  • CH172652A - Mortise lock. : de en
  • CH172764A - Ski with a light metal running layer attached to a wooden part. : de en
  • CH172782A - Machine tool. : en fr
  • CH172872A - Process for the preparation of an asymmetric arsenic compound. : de en
  • CA345734A - Ceramic article : en fr
  • SU39366A1 - Swivel cantilever crane : en ru
  • DE605038C - Air outlet for ventilation devices : de en
  • FR772548A - Process for obtaining asphalt and asphaltic materials from acid resins and acid tars : en fr
  • DK49466C - Suspension device for seating and reclining furniture of all kinds. : da en
  • GB418758A - Improvements in endless chain conveyor means : en
  • GB418793A - Improved case or container for the storage and display of separate articles : en
  • US1978583A - Electrical pick-up apparatus : en
  • SU39597A1 - A system of bottomless webbed bulkheads for liquid and bulk cargo : en ru
  • US1978550A - Supply holder for winding machines with automatic feed of the full supply bobbins : en
  • US1978465A - Pressure reducing valve : en
  • US1978664A - Charge forming device : en
  • CA345738A - Priming mixture : en fr
  • CH172843A - Electrical cable system. : de en
  • PL20559B1 - Device for the transient cut-out of the drive in motor vehicles. : en pl
  • SU39415A1 - Automatic Scales : en ru
  • CA345609A - Electrical fuse : en fr
  • US1979218A - Flexible container and applier : en
  • US1978558A - Automatic weighing machine : en
  • US1978881A - Alkali salts of adenyl-pyrophosphoric acids : en
  • USD93754S - Design for a radiator ornament : en
  • ES135428A1 - An apparatus that uses solar rays for heating the water necessary for any use: industrial, commercial, domestic and especially for bathrooms and showers. : en es
  • FR772473A - Process for making visible in the different positions that an object can occupy the inscriptions carried by this object : en fr
  • GB418656A - A process for improving iron or steel : en
  • DE604871C - Device for squeegeeing flat gravure printing plates by means of two squeegees scraping the printing plates in opposite directions : de en
  • FR772569A - Periodic Type Strand Wiring Electrical Conductor and Manufacturing Process : en fr
  • DE604800C - Withdrawal device with electric spindle drive : de en
  • DE604994C - Method and device for cleaning the surface of matrices produced by metal deposition on a wax master : de en
  • DK49465C - Vertical Retort for Coking Coal or similar. : da en
  • DE604821C - Distance relay : de en
  • US1978802A - Centrifugal classifying apparatus : en
  • USD93728S - Design for a service bar back : en
  • FR772437A - Polyphase leakage transformer : en fr
  • IS151A7 - Equipment for shirts and skirts : en is
  • DE605021C - Sliding platform with external main girders : de en
  • ES3026U - Sack lined with paper (Machine-translation by Google Translate, not legally binding) : en es
  • US1978860A - Milk bottle holder : en
  • GB418929A - Improvements in machines for cutting oranges, lemons, and like fruit : en
  • DE604901C - Grinding machine, especially for grinding the bearing journals of multi-stepped shafts : de en
  • ES134633A1 - A control system for automatic weighing devices. : en es
  • ES134733A3 - A procedure for the manufacture of waterproof fabrics. : en es
  • US1979166A - Self-closing tube : en
  • CH172831A - Method for utilizing the heat absorbed by a coolant for generators, transformers, internal combustion engines and the like. : de en
  • US1978659A - Gardener's tool : en
  • US1978948A - Binding composition : en
  • US1979056A - Flange lubricator : en
  • US1979198A - Condiment holder : en
  • FR772642A - Devices for the automatic triggering of horns : en fr
  • DE604894C - Typewriter : de en
  • DE604966C - Toilet bucket with a hinged lid attached to the edge of the bucket : de en
  • FR772542A - Fluid drive, particularly applicable to diesel locomotives : en fr
  • SU39559A1 - Color Filming Machine : en ru
  • CH172969A - DC generator for constant current. : de en
  • ES135399A1 - A procedure for the microanalysis of milk for lactation. : en es
  • GB418842A - Improvements in discharge nozzles for lubricators : en
  • DE604801C - Procedure for lowering compressed air caissons and caissons to carry out the procedure : de en
  • ES134676A1 - An apparatus for making thermal energy conversions. : en es
  • GB418967A - Improvements in and relating to the fixing of bristles in brush and broom stocks : en
  • GB418807A - Improvements in hot water bottles : en
  • GB418693A - Improvements in or relating to pressure gauges : en
  • GB418722A - Improvements in or relating to means for the production of compound sheet materials consisting of layers of paper, cardboard, fabric or the like united by bitumen, varnish, rubber or the like : en
  • GB419148A - Improvements relating to cartons or like containers : en
  • GB418734A - Improvements in or relating to fountain pens : en
  • ES135532A1 - A thermionic generator to produce vibrations for high and ultra high frequency. : en es
  • ES135406A3 - A process for the diffusion treatment of beets, sugar cane and other plants with food reserves for the extraction of sucrose sugar and other soluble carbohydrates. : en es
  • GB419560A - Improvements in and relating to processes for the refining of metals : en
  • FR772421A - Grinding disc for meat grinders and similar devices and its method of manufacture : en fr
  • IE12810L - Sulphonic acid derivatives of cyclic amidines : en
  • FR772647A - Faculty : en fr
  • DE603445C - Television receiver with a spiral perforated disc and a light tube connected to it : de en
  • ES135400A1 - A silencing device applicable to all types of firearms, explosion engines and the like. : en es
  • ES135526A1 - New procedure for the manufacture of granulated soda. : en es
  • FR772436A - Suction draft system mounted in a flue box : en fr
  • GB418651A - Improvements in or relating to pistons : en
  • GB418782A - Improvements in apparatus for controlling the consumption of electrical energy by load devices operating on electrical power systems : en
  • FR772676A - Interior turret for floor weapon on aircraft : en fr
  • DE600499C - Process for the preparation of 4-pyridylpyridinium dibromide : de en
  • DE604824C - Commutator cascade, especially for constant torque or constant power : de en
  • DE604907C - Centrifugal drum, the journal of which sits directly on the floor and revolves in a bearing sleeve carried by pendulum rods : de en
  • DE605028C - Rotary piston machine with two elliptical, cylindrical pistons that rotate around their central axes and run off one another : de en
  • SU39131A1 - Method of making typographic clichés from alabaster or cement : en ru
  • PL20529B1 - Cigarette tube. : en pl
  • SU39187A1 - Crane operator type Westinghouse : en ru
  • US1979154A - Production of n-benzyl-paraaminophenol : en
  • CH172683A - Drawer cabinet. : de en
  • US1978607A - Welded manway for pressure vessels : en
  • FR772641A - Improvements in letters of correspondence (letters-addresses, envelopes-addresses) intended to be sent by post : en fr
  • SU39046A1 - Device for making thin-walled radiator tubes : en ru
  • FR772464A - Stabilizer for vehicles : en fr
  • FR772577A - Improvements to suspenders for pants, garters and more : en fr
  • US1978470A - Former-head : en
  • US1979236A - Truck : en
  • US1978566A - Spraying machine : en
  • FR772556A - Process and machine for the production of pasta : en fr
  • GB419442A - Improvements in or connected with electric signs : en
  • FR772669A - Process for reducing the resistance of a body to the advancement of a moving body by the effect of a radioactive substance : en fr
  • FR772458A - Ventilation device applicable to containers for liquids, such as barrels of wine, cider, and their equivalents : en fr
  • GB418655A - Improvements in and relating to methods of manufacturing insulating materials : en
  • SU39651A1 - Device for drying tobacco leaves : en ru
  • FR772527A - Monolithic vault : en fr
  • GB418689A - Improvements in or relating to detachable lids of containers : en
  • SU39088A1 - The method of separation of elemental silicon from materials containing its compounds : en ru
  • US1978555A - Soot blower : en
  • SU39147A1 - Blast Furnace Tuyere : en ru
  • US1978512A - Collapsible booth : en
  • SU39102A1 - The method of producing tetra-methyl-thi-ramidisulfide : en ru
  • SU39639A1 - Adaptation to the gear drive from the main shaft of the banbrosh to the bobbin shaft to protect the sweat of the teeth breakage when a foreign object hits : en ru
  • CH172842A - Isolation on high voltage cables. : de en
  • DE604957C - Ejection device for an auxiliary parachute : de en
  • DE604977C - Washing device with agitator and washing disc : de en
  • FR772549A - Straight warp knitting loom : en fr
  • GB418783A - Improvements in or relating to variable speed gearing : en
  • US1978667A - Brake : en
  • US1978927A - Bkake testing apparatus : en
  • US1979227A - Winding machine : en
  • CA345617A - Mowing machine cutter : en fr
  • CH172884A - Transmitter marker for radio reception. : de en
  • CH172794A - Clothes button. : de en
  • US1979130A - Rubber glove : en
  • CH172943A - Process for the production of artificial structures. : de en
  • SU39257A1 - Device for automatic regulation of alternator voltage : en ru
  • CH172936A - Retaining wall. : de en
  • PL20540B1 - The drive mechanism of the gear rolls in inclined mills. : en pl
  • US1978462A - Photomechanical machine : en
  • US1979152A - Collapsible foot rest : en
  • SU39200A1 - Automatic stop sign for urban railways : en ru
  • US1978572A - Ironing attachment for sewing machines : en
  • ES135411A1 - ENGINE COOLING FOR AUTOMOBILE VEHICLES WITH REAR ENGINE : en es
  • DE604803C - Compressed air gas burner : de en
  • PL20562B1 - Impact fuse for hand grenades. : en pl
  • US1978434A - Optical apparatus for measuring the thickness of piezo electric crystals : en
  • US1978705A - Remote control for vacuum heating systems : en
  • ES135412A1 - Improvements in the take-off devices of airplanes. : en es
  • FR772674A - Improvements to elastic couplings : en fr
  • GB418738A - Improvements appertaining to the pattern surface mechanism of jacquard machines : en
  • PL20507B1 - A method of binding atmospheric nitrogen to electric oxide. Hydrogen cyanide to help the hatch : en pl
  • SU39645A1 - Self-propelled with toy : en ru
  • US1979128A - Thermodynamic system : en
  • CH172717A - Process for the production of reinforced concrete tanks, the inner wall of which is provided with a protective coating. : de en
  • CH172740A - Process for the production of a high quality mixed fertilizer containing phosphorus and nitrogen. : de en
  • US1978458A - Broaching fixture : en
  • SU39692A1 - Bobbin changer on the loom : en ru
  • CH172769A - Mechanical artillery projectile rocket. : en fr
  • SU39665A1 - Electrically adjustable device for filling to the edges of cans and similar vessels with liquid : en ru
  • CA345692A - Rubber thread manufacture : en fr
  • CH172844A - Plug-in contact device. : en fr
  • GB418727A - Screw caulks for horseshoes : en
  • US1978671A - Container capping machine : en
  • US1979100A - Piston expander : en
  • US1979165A - Refrigerator door release : en
  • PL20566B1 - : en pl
  • SU39020A1 - Sealing gasket for capsular bottle closures : en ru
  • US1978474A - Continuous winding mechanism : en
  • DE604654C - Flat weft knitting machine : de en
  • SU39433A1 - Stand for testing glass blowing devices : en ru
  • SU39499A1 - Gear gear : en ru
  • DK49442C - Apparatus for Stirring of Roast. : da en
  • US1978414A - Fractional distillation : en
  • GB418771A - Process for fixing bundles of sheet iron to rotary magnets : en
  • GB418739A - Improved apparatus for punching record cards or fare tickets : en
  • GB418922A - Improvements relating to tables : en
  • CH172815A - Process to cover load fluctuations in steam power plants. : de en
  • DE557011C - Process for tanning hides and skins : de en
  • DE604911C - Arrangement for switching off an inductive resistor in a direct current circuit : de en
  • CH172664A - Combined cooking, heating and lighting device. : de en
  • GB418773A - Improvements relating to foot arch supports : en
  • US1978699A - Brake : en
  • US1978746A - Thermometer : en
  • US1978946A - Closure for bottles and other receptacles : en
  • SU39496A1 - Combined Worm Transfer : en ru
  • US1978678A - Flame extinguisher : en
  • GB418683A - Improvements relating to electro-chemical recording : en
  • FR772497A - Protection system for t receiving stations. s. f. against parasitic disorders of industrial origin : en fr
  • FR772597A - Waterproofing process for structures and soil by injection of special products : en fr
  • GB418920A - Improvements in or relating to electric arc discharge devices : en
  • DE605012C - Device for moistening tobacco bales by means of moist air : de en
  • DE604890C - Device for grinding barrel-shaped toothpicks : de en
  • ES135349A1 - A process for making ammonium sulfate. : en es
  • ES135530A2 - AN ELECTRIC DISCHARGE TUBE : en es
  • GB418760A - An improved device for removing and replacing sparking plugs of internal combustion engines : en
  • FR772460A - Floor system eliminating timbering and execution formwork : en fr
  • GB418612A - Hand operated device for cutting wire, metal band, strip, and the like : en
  • GB418882A - Apparatus for consolidating concrete and like plastic masses in situ : en
  • ES135390A1 - Automatic vertical air filling device for injecting air into the thoracic cavity. : en es
  • DE604958C - Movable, removable carrying handle along a carriage spring of motor vehicles for attaching a jack : de en
  • ES2569Y - Cliché head hooking on rotary duplicator machines. : en es
  • FR772498A - Improvements to the hanging brackets and their manufacturing methods : en fr
  • ES135565A1 - A new device applicable to cinematographic devices for the projection of films of different width and pitch. : en es
  • FR772439A - Manufacturing process of concentrated rubber latex : en fr
  • FR772550A - Plow : en fr
  • GB418896A - Improvements in steam boilers : en
  • ES135538A1 - An indirect heating cathode for electric discharge tubes. : en es
  • FR772428A - System for cutting beets and similar products into chips : en fr
  • GB418941A - Process for the improvement of motor fuels having a tendency to the formation of pitchy residues : en
  • SU39673A1 - Device for mixing dissimilar bulk materials on a belt conveyor : en ru
  • FR772433A - Method and device for forming hollow metal bodies : en fr
  • GB418779A - Improvements in process of treating combustible gas : en
  • FR772408A - Massage glove : en fr
  • GB418796A - Improved process for the manufacture of drop-bottles : en
  • GB418953A - Improvements in methods for protecting surfaces : en
  • FR772643A - Improvements in artificial flowers : en fr
  • FR772610A - Device with mirrors and prisms for photographic and cinematographic cameras : en fr
  • SU39306A1 - Mechanism for switching the circular motion in the machine for swinging and back : en ru
  • DE604968C - Drying drum with perforated jacket for drying damp fabrics in tape form : de en
  • ES134854A1 - An apparatus for manufacturing zip fastener parts without leaving residues. : en es
  • GB418620A - Improvements in or relating to mouthpieces for telephones, microphones and the like : en
  • FR772504A - Pipe lining process : en fr
  • GB418799A - Improvements in windows : en
  • DE604969C - Saw machine for cutting sugar plates : de en
  • SU39444A1 - Instrument for sampling water microorganisms : en ru
  • CH172693A - Device for unwinding thread spools. : de en
  • GB418885A - Improvements in or relating to cutting or stamping presses : en
  • PL20502B1 - Steam boiler with water pipes, equipped with zebra. : en pl
  • US1978904A - Liquid fuel burner : en
  • CH172828A - Device for holding the adjustable cam ring on breakers. : de en
  • DE604798C - Remote adjustment of servo motors : de en
  • CA345666A - Fixed condenser : en fr
  • CH172877A - Statistics card punch machine. : en fr
  • CH172860A - Electrically heated glass melting furnace. : de en
  • SU39583A1 - Electromagnetic Diaphragm Pump : en ru
  • US1978874A - Agricultural implement : en
  • CA345687A - Elastic thread manufacture : en fr
  • SU39504A1 - Method of making safety liquid from kerosene to coat electrolyte during chrome plating : en ru
  • US1978510A - Electrical cable connecter socket and contacts : en
  • US1978651A - Tuning indicator for radios : en
  • US1978500A - Identification apparatus : en
  • US1978655A - Process for increasing the production of oil wells : en
  • US1978728A - Joint structure for folding oxford eyeglasses : en
  • AU1627234A - Improvements in or relating to rotary fluid motors compressors andthe like : en
  • SU39097A1 - Benzyl cellulose purification method : en ru
  • CH172778A - Chronograph watch, shaped. : en fr
  • SU39425A1 - Device for automatic temperature control : en ru
  • US1979134A - Conveying and straightening apparatus : en
  • SU39376A1 - A device for controlling the rotational speed of a fan rotated by a turbine on a chimney : en ru
  • SU39379A1 - Clamp for blanks in the manufacture of a cylindrical saw brush blocks : en ru
  • ES1632Y - Mineral coal economizer plate. : en es
  • GB418638A - Improvements in electric transformers : en
  • CH172829A - Cable connection for two-pole glow plugs. : de en
  • CH172929A - Method and device for preventing ice formation and the accumulation of snow on track systems, especially switches. : de en
  • DE600740C - Folding photographic camera with spring-loaded kink spreader bars hinged to the floor and camera housing : de en
  • DE604877C - Protective device for high-voltage networks provided with earth leakage coils and summation current transformers : de en
  • DE604836C - Automatic fire extinguishing system : de en
  • US1978505A - Harvesting machine : en
  • US1978790A - Hot stamping device : en
  • US1978993A - Amusement device : en
  • US1978837A - Gas turbine power plant : en
  • US1979070A - Draft rigging : en
  • USD93704S - Design for a bottle cap : en
  • SU39691A1 - Bobbin changer on the loom : en ru
  • US1978734A - Electric cord extension device : en
  • DE605095C - Device for the automatic regulation of the straight run of endless belts, especially felt and sieve cloths on paper machines : de en
  • DE604976C - Humid chamber for textiles or other goods : de en
  • CH172801A - Light alloy piston with carbide insert. : de en
  • PL20552B1 - The multi-way valve for the camshaft is carried out by compressed air from the motor vehicle gearbox at both ends. : en pl
  • US1978920A - Combination clock and radioreceiver : en
  • CA345657A - Photoflash lamp : en fr
  • CH172699A - Device on sewing machines for weaving damaged areas in fabrics and stockings. : de en
  • US1978905A - Illuminating compact : en
  • US1979188A - Treating natural and artificial fibers : en
  • DK49455C - Procedure for catalytic pressure hydration of carbonaceous materials. : da en
  • ES135356A2 - A LARGE SENSITIVITY SPOLET FOR ARTILLERY AND AVIATION PROJECTILES OR OTHER SIMILAR APPLICATIONS : en es
  • GB418825A - Improvements relating to electric starting apparatus of motor vehicle engines : en
  • SU39270A1 - Device for visual observation of the operation of various electromagnetic mechanisms using an oscilloscope : en ru
  • SU39637A1 - Electromagnetic device for spinning watts to cut off the roving when the thread breaks : en ru
  • SU39256A1 - Device for automatically turning on or off electrical appliances at a predetermined time : en ru
  • SU39432A1 - Wear Tester : en ru
  • SU39480A1 - Nozzle for uncompressed internal combustion engines : en ru
  • SU39238A1 - A method of manufacturing a positive electrode of air depolarization elements : en ru
  • US1978419A - Transmission system : en
  • US1978617A - Draft rigging : en
  • US1978978A - Jar closure : en
  • SU39470A1 - Device for fishing : en ru
  • SU39656A1 - Method of making molds for casting pottery : en ru
  • US1978785A - Treatment of textile and other materials : en
  • US1979173A - Combined portable school desk and seat : en
  • US1979221A - Container for liquefied gases : en
  • CH172854A - Cathode ray tube. : de en
  • PL20508B1 - The method of refining all products from raw materials of plant origin. : en pl
  • US1979054A - Signaling system : en
  • US1979099A - Bus support : en
  • SU39340A1 - Creolin preparation method : en ru
  • US1979058A - Engine : en
  • USD93714S - Design for a sign support : en
  • SU39212A1 - Device for raising and lowering current collectors on electric locomotives : en ru
  • US1978540A - Mono and dipyridino quinone com- : en
  • USD93725S - Design fob a blouse : en
  • CH172690A - Liquid filling device that prevents the containers to be filled from overflowing. : de en
  • US1978595A - Well pumping apparatus : en
  • US1979098A - Protective fuse for furnaces and the like : en
  • DK49444C - Supply device for the blanks in screw cutting machines and similar machines. : da en
  • FR772426A - Manufacturing process of flexible shoes : en fr
  • GB419450A - Improvements relating to wheels for locomotives or the like : en
  • SU39476A1 - Device for regulating rotary engines : en ru
  • GB418702A - Interchangable heel top lift for shoes : en
  • SU39389A1 - The method of deodorization of thio-rubber : en ru
  • DE604779C - Peening device, consisting of hand peening hammer and anvil : de en
  • CH172784A - Method of cementing iron and steel. : de en
  • US1978824A - Production of ketones : en
  • ES135423A1 - A perfected system fumivore device. : en es
  • US1978428A - Grinder for cylindrical surfaces : en
  • DE604841C - Juggling toys : de en
  • DE604923C - Rail fastening for excavator tracks : de en
  • SU39678A1 - Devices for braking trolleys on an inclined path : en ru
  • DE605087C - Procedure for jarring oils : de en
  • US1978775A - Metal feeder : en
  • ES135489A1 - Improvements in the construction of ovens for baking bread, pastry and other uses. : en es
  • FR772584A - Drawing device from life : en fr
  • SU39606A1 - Shot count : en ru
  • ES135487A3 - A procedure for the manufacture of electric capacitors. : en es
  • CA345597A - Ship hull : en fr
  • CA345655A - Brake lever mounting : en fr
  • CH172721A - Device for obtaining a dry substance from solutions, emulsions and suspensions. : de en
  • FR772448A - Burglary alarm device : en fr
  • US1978580A - Separation of carbazole from anthracene : en
  • SU39038A1 - Device for pressing sealing rings for dry gas tank pistons to the tank wall : en ru
  • SU39190A1 - A device for the movement of railway carts : en ru
  • US1978717A - Rake mechanism : en
  • SU39700A1 - Horizontal wind motor : en ru
  • US1978563A - Brake drum : en
  • CH172761A - Device on ski bindings to connect the rear strap ends to the tensioner. : de en
  • CH172963A - Process for the preparation of a vat dye. : de en
  • DE605034C - Process for preserving shark skins : de en
  • DE605057C - Rod loom : de en
  • DK49461C - Method and Apparatus for Impregnating Textile Fabrics with Latex and Other Analog Dispersions. : da en
  • GB418641A - Improvements in balanced spiral wire fabrics : en
  • DE605055C - Hanging swing : de en
  • CA345613A - Filament, thread or ribbon manufacture : en fr
  • SU39409A1 - Spline Shaft Checker : en ru
  • US1978871A - Excrement receptacle : en
  • SU39321A1 - The method of preparation of the recovery bath to precipitate the viscose solution : en ru
  • US1978702A - Gas mixing device : en
  • US1979164A - Device and method for price marking : en
  • SU39601A1 - Device for setting the ship in motion : en ru
  • FR772601A - Ceramic product for spark plugs : en fr
  • CA345682A - Record controlled machine : en fr
  • CH172720A - Process for grafting seeds, such as B. Soybeans, legumes etc. : de en
  • CA345744A - Article holder : en fr
  • PL20564B1 - A method of producing an absorbent material for the absorption of gases. : en pl
  • SU39185A1 - Stopcock : en ru
  • SU39302A1 - Adaptation device for fuel skimming in moving furnaces : en ru
  • DE604837C - Filter connection piece for gas masks made of transparent, elastic building material : de en
  • DE604921C - Furnace for the heat treatment of metal workpieces in the absence of air : de en
  • FR772505A - Plywood packing : en fr
  • FR772526A - Control sector by chains or cables : en fr
  • US1979036A - Monitoring system for push-pull amplifiers : en
  • BE405056A - Wheel control devices for high-speed locomotives : en fr
  • CH172871A - Process for the preparation of a solution of the 3.6-diaminoacridine salt of p-glycolylaminophenylarsinic acid. : de en
  • FR772573A - Replacement of the inner tubes of the wheels of a vehicle by flexible metal tori : en fr
  • FR772663A - Process of drilling holes with casing and machine allowing the execution of this process : en fr
  • CH172697A - Automatic device for applying the coils on the spindles for looms. : en fr
  • ES135142A1 - Laminator for the manufacture of thin metal plates with fins. : en es
  • CH172795A - Pocket case with cigarette holder, lighter and watch. : de en
  • BE405241A - : en fr
  • CA345636A - Polyphase oscillator : en fr
  • USD93703S - Design fob an inflatable mattress : en
  • GB418633A - Improvements in and relating to electric rectifier installations : en
  • GB418875A - Improvements in or relating to the treatment of textile fibres : en
  • GB418928A - Improvements in or relating to cigarette cases : en
  • SU39326A1 - Instrument for supporting the lower jaw during anesthesia surgery : en ru
  • SU39347A1 - Apparatus for administering therapeutic drugs through the skin : en ru
  • CH172868A - X-ray machine with a supporting wall reinforced by profile end strips. : de en
  • PL20484B1 - Electric luminous lamp, especially for advertising and signaling purposes. : en pl
  • GB418697A - Improvements in or relating to pumping apparatus : en
  • CH172742A - Process to make the surface of aluminum and aluminum alloys unalterable and hard. : en fr
  • PL20479B1 - Automatic gun. : en pl
  • CA345632A - Motor starting system : en fr
  • CH172713A - Grinder, in particular for grinding coffee, spices and the like. : de en
  • CH172793A - Device for applying paints, varnishes, stains, glue and the like. : de en
  • CA345581A - Eccentric expansion plug : en fr
  • US1979201A - Method of extending the cooling action of ice : en
  • FR772565A - Draft regulator for fireplaces : en fr
  • GB418932A - Improvements in or relating to electron discharge tubes : en
  • IE13470L - Cast iron pipes : en
  • SU39063A1 - Adaptation to the extractor door for dispensing coke to the quencher car : en ru
  • US1979069A - Chain repair link : en
  • US1978596A - Container : en
  • US1978794A - Dehydrator having gas pocket : en
  • US1978976A - Manufacture of lead tubes and cable sheaths : en
  • ES134855A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • USD93745S - Design for a lamp shade : en
  • FR772630A - Chassis for motor vehicles, in particular for racing cars : en fr
  • GB418754A - Improvements relating to apparatus for washing textile fabrics : en
  • GB418770A - Improvements relating to thermally controlled gas valves : en
  • GB418677A - Improvements in or relating to endless conveyors : en
  • GB418732A - Improvements in or relating to levers, pinch bars and the like devices : en
  • FR772595A - Method of mounting the wheels of six-wheeled motor cars or similar vehicles : en fr
  • PL20567B3 - Counter for determining the distance traveled by a railway car. : en pl
  • SU39636A1 - Plastic roller for spinning machines : en ru
  • ES135373A1 - An automatic circuit breaker of electric current, with adjustable temperature, for application in electrothermal devices. : en es
  • FR772662A - Electric motor drive device that can be used as a relay : en fr
  • GB418711A - Improvements in or relating to wireless receiving sets and the like : en
  • FR772603A - Safety device for tanks containing air-alterable liquid : en fr
  • GB419147A - Improvements in or relating to electrical heat-radiating panels : en
  • GB418926A - Improvements in the production of non-knocking benzines : en
  • SU39153A1 - Shutter to heating or smelting furnaces : en ru
  • US1978861A - Machine for producing tobacco portions of uniform size : en
  • US1979040A - Ski : en
  • DE604817C - Fluid switch : de en
  • DE604997C - Sleeve, especially for laboratory stands : de en
  • FR772487A - Billiard game : en fr
  • FR772623A - Improvements to felted asbestos sheets and process for gluing asbestos : en fr
  • FR772631A - Points totalizing device combined with a token dispensing device, more particularly for ball and coin-operated skill games : en fr
  • GB418640A - Improvements in direction finding by wireless : en
  • ES134857A1 - Improvements in the manufacture of wrenches for tube calls. : en es
  • FR772600A - Electric accumulators, in particular for motorcycles : en fr
  • FR772494A - Clockwork device : en fr
  • GB418611A - Improvements relating to glow plugs for use particularly with compression ignition engines : en
  • DE604834C - Violin holder : de en
  • DE604952C - Photographic camera : de en
  • US1978840A - Method of manufacturing halofluoro hydrocarbons : en
  • GB418628A - Improvements in suction apparatus using compressed fluid and more particularly employed for vacuum cleaning : en
  • GB418795A - Improvements in or relating to hair curlers : en
  • SU39104A1 - The method of production, isolation and purification of lepidine : en ru
  • CH172965A - Process for cementing iron, steel and their alloys. : de en
  • GB418725A - Apparatus for the continuous extraction of material : en
  • GB418803A - Improvements in or relating to wire meshwork surfaces for mattresses : en
  • DE596341C - Thread tensioning device, especially for braiding machines : de en
  • SU39177A1 - Automatic coupler for railway rolling stock : en ru
  • US1978453A - Variable diameter gripping device : en
  • US1978647A - Method for making alkali metal alcoholates : en
  • US1978730A - Equalizing nonreflux return elbow : en
  • US1978914A - Cash register : en
  • CH172655A - Entrance door lock with stop lever. : en fr
  • CH172708A - Final bandage for footwear. : de en
  • SU39259A1 - Protection rectifier device : en ru
  • DE604943C - Corner connection of the frame parts for tables, chairs, etc. like : de en
  • GB418756A - Improvements in or relating to machine guns : en
  • US1978806A - Display package : en
  • SU39066A1 - Drum for milling frozen peel or with mo peat : en ru
  • SU39364A1 - Lifting height indicator or the like : en ru
  • US1978955A - Crate : en
  • US1979182A - Grave filler : en
  • SU39338A1 - Ear muffler : en ru
  • US1978950A - Fly swatter : en
  • SU39479A1 - Air filter for tractor automobile engines : en ru
  • SU39582A1 - Squeeze press : en ru
  • US1978839A - Composition of matter and method of making same : en
  • CH172920A - Brake operating device on a bicycle. : de en
  • SU39521A1 - Guitar with neck : en ru
  • US1978442A - Electric percussion tool : en
  • US1978644A - Cord take-up reel : en
  • ES135443A1 - Disturbance elimination device in radio reception. : en es
  • ES135510A1 - A montage of reciprocating machines on supports. : en es
  • FR772582A - Improvements to the mills : en fr
  • GB418819A - Improvements in or relating to machines for finishing edges of sheet material : en
  • GB418943A - Improvements in or relating to processes of making vinyl esters : en
  • SU39493A1 - A float device for adjusting the oil level and air pressure in the oil tanks for the purpose of adjusting machines, lubricants, etc. : en ru
  • GB418877A - Improvements in ciphering machines : en
  • SU39373A1 - Element for plate heaters : en ru
  • US1978489A - Brush : en
  • SU39407A1 - A comparator for determining the ratio of a cropped tape segment corresponding to a registered event to the scale division of the tape. : en ru
  • US1978670A - Push button control system for elevators : en
  • US1978779A - Battery construction : en
  • AU1227533A - Improvements in or relating to electrical synchronizing systems : en
  • SU39037A1 - Crash Clasp : en ru
  • CA345699A - Container discharge control : en fr
  • US1978514A - Volume control : en
  • SU39054A1 - Machine for cross cutting fabric and similar materials into segments of equal length : en ru
  • SU39061A1 - Mold Cleaning Machine : en ru
  • US1979019A - Record book : en
  • ES135469A3 - Manufacturing process of rubber sheets lined with silk fabrics or similar. : en es
  • GB418787A - Improvements in or relating to automatic or semi-automatic telephone or like systems : en
  • AU2022234A - Improvements in or relating to electric accumulators : en
  • CA345721A - Loose leaf binder : en fr
  • CA345646A - Refrigerating machine : en fr
  • CH172648A - Ventilation door, with pallets. : en fr
  • CH172750A - Pocket camera. : en fr
  • CH172644A - Process for the construction of non-slip and very resistant coatings and coating obtained by this process. : en fr
  • CH172738A - Process for making a lubricating oil improver. : de en
  • SU39332A1 - Functional maxillary article tor : en ru
  • US1978508A - Process of repurifying carbon dioxide gas : en
  • US1979212A - Attachment for knitting machines : en
  • SU39392A1 - The method of processing of copper-zinc ores : en ru
  • US1978608A - Welded nozzle for jacketed vessels : en
  • US1978643A - Joint : en
  • US1978689A - Sealing means : en
  • SU39361A1 - Parachute for mine cages : en ru
  • US1978403A - Process of separating calcium and magnesium chlorides : en
  • US1979018A - Process of absorbing ethylene in strong acids : en
  • USD93702S - Design fob a spectacle bow : en
  • SU39623A1 - Exhaust device for spinning machines with an endless belt, worn on the lower middle cylinder : en ru
  • US1978666A - Brake : en
  • US1979055A - Water-insoluble azodyestuffs and fiber dyed therewith : en
  • ES135175A3 - Device for road transport of rail vehicles. : en es
  • GB418864A - Improvements in or relating to buckets or like receptacles : en
  • US1978673A - Tire changer stand : en
  • PL20535B1 - Press for beet pulp and sugar cane. : en pl
  • DE604936C - Movable Waelzschaltstueck for electrical switches with overcurrent release : de en
  • CH172649A - Air conditioning system. : de en
  • DE604963C - Device for grinding and polishing drawing die bores : de en
  • SU39329A1 - Device for gynecological operations : en ru
  • CH172707A - Device on items of clothing that protect against moisture to prevent the liquid from flowing away from them at an undesired location. : de en
  • SU39105A1 - The method of separation of a mixture of 6-methoxy 8-aminoquinoline and 6-methoxy 8-diethyl-aminopropylaminoquinodine : en ru
  • US1979230A - Receptacle closure : en
  • US1979077A - Automatic transmission : en
  • SU39033A1 - Belt Electromagnetic Separator AC : en ru
  • SU39469A1 - Device for fishing : en ru
  • US1978433A - Process for preparing para-secalkylamino-phenols : en
  • US1979008A - Baffle for water heaters : en
  • CH172651A - Locking device for closing mechanisms of doors, padlocks, etc. : en fr
  • SU39059A1 - The method of obtaining waterproof tissue : en ru
  • US1978845A - Wheel truing machine : en
  • PL20491B1 - Landing gear for airplanes. : en pl
  • SU39325A1 - Esthesiometer : en ru
  • SU39585A1 - Air heating method : en ru
  • US1978908A - Motor vehicle : en
  • DE605026C - Device for smoldering fuels : de en
  • CA345566A - Paper dryer felt : en fr
  • SU39663A1 - The method of supplying sludge in a rotary kiln : en ru
  • US1978756A - Machine for manufacturing capsules : en
  • US1978801A - Classifier : en
  • US1979131A - Trim panel : en
  • US1979135A - Sprayer : en
  • CA345572A - Carbureter : en fr
  • CH172666A - Heat storage cooking appliance. : en fr
  • SU39103A1 - Method for producing ichthyol surrogate : en ru
  • CH172942A - Process for the production of artificial structures. : de en
  • CH172874A - Sterilization plant for medical and bacteriological purposes. : de en
  • SU39693A1 - Weaving device for locking the shuttle in the shuttle box : en ru
  • US1979088A - Variable speed power transmission mechanism : en
  • US1979181A - Direct disk braking device : en
  • PL20486B1 - Kfc 47 b, d. Cage for fights. : en pl
  • SU39028A1 - A device for improving gold, platinum and similar metals from placers. : en ru
  • SU39418A1 - Device for mounting the membrane in the sound box : en ru
  • PL20471B1 - -Kfc-23-c, 27 / 01— "Counter table. : en pl
  • US1978953A - Method of preparing an alkali metal perborate : en
  • SU39489A1 - Cone drum with spiral groove : en ru
  • US1978478A - Radioreceiver : en
  • CA345624A - Tube making machine : en fr
  • CH172949A - Process for the preparation of 4-methyl-5-bromo-7-methoxyisatin-a-chloride. : de en
  • FR772446A - Device for recording the distance traveled on foot : en fr
  • DE604861C - Electric roller with built-in motor and transmission gear, especially for rolling mills : de en
  • GB418944A - Fuel briquette and method for the production of same : en
  • SU39217A1 - Wiring device : en ru
  • SU39517A1 - Mechanism for lifting the hammerhead baba : en ru
  • SU39278A1 - Method for making mosaic surfaces for photocells : en ru
  • ES135512A1 - Improvements in the construction of cylinder heads for internal combustion engines. : en es
  • CH172923A - Diesel locomotive with a double-acting two-stroke engine. : de en
  • SU39079A1 - Device for enriching air with oxygen : en ru
  • SU39275A1 - Method for facilitating ignition of metallic mercury rectifiers : en ru
  • SU39596A1 - Measuring tap : en ru
  • SU39638A1 - The form of the device for determining the tension of the thread on spinning, rewinding and similar machines. : en ru
  • US1979127A - Electrical control device : en
  • USD93744S - Design fob a lamp shade : en
  • CH172845A - Process for the production of underground lines which are protected against electrochemical and electrolytic corrosion and electrical flashovers. : de en
  • CH172894A - Projection screen for light advertising equipment. : de en
  • CH172952A - Process for the preparation of 4-methyl-5.7-dichloroisatin a-chloride. : de en
  • SU39132A1 - Lithographic machine : en ru
  • SU39595A1 - Liquid dispenser in modified quantities : en ru
  • US1979123A - Case for blade heads of safety razors : en
  • CH172836A - Water coolers for engines. : de en
  • CA345729A - Phonograph : en fr
  • CH172763A - Device for attaching ice skates, roller skates and ice spurs provided with heel clips to shoes. : de en
  • CH172935A - Sport and utility boat. : de en
  • CH172974A - Hay, grain and goods unloading device. : de en
  • SU39501A1 - Rotary engine : en ru
  • US1978415A - Method of uniting metals : en
  • SU39439A1 - Flash Point Detector : en ru
  • ES135403A1 - Improvements in the manufacture of metal bodies especially for autominibus. : en es
  • ES135414A1 - Receiver teleinscritor. : en es
  • FR772620A - Sound volume regulator assembly for electric amplifiers : en fr
  • GB418812A - Improvements in and relating to ventilators : en
  • GB418973A - Improvements in variable pitch propellers : en
  • US1979065A - Method and means for reproducing the grain of wood on paper : en
  • US1979141A - Pipe joint and pipe joint gasket : en
  • PL20573B1 - Method for the production of water-insoluble azo dyes. : en pl
  • US1978445A - Cylinder grinding tool : en
  • SU39193A1 - Device for cleaning the railway track from ice : en ru
  • GB418891A - Improved sterilizing and docking instrument for lambs and other animals : en
  • FR772586A - Aluminum alloys : en fr
  • GB418818A - Improvements in vaporising apparatus for use with internal combustion engines : en
  • GB418915A - Improvements in and relating to trailer caravans : en
  • CH172954A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • DE605056C - Light liquid separator with flow barrier : de en
  • US1979214A - Case hardening : en
  • SU39241A1 - The method of heating the wires of electric overhead transmission lines : en ru
  • SU39482A1 - Device for installing ignition on internal combustion engines : en ru
  • GB418741A - New or improved mechanism for locking mutually hinged members : en
  • GB418599A - Improved metal bobbins for trawl fishing net ground ropes : en
  • FR772566A - Process for the disintegration of cocoa, using lime : en fr
  • FR772697A - Improvements to calculating machines : en fr
  • GB418838A - Improvements relating to the distant control of electric water heaters and other appliances : en
  • ES135194A1 - IMPROVEMENTS INTRODUCED IN THE GAS METERS WITH MEASURING WHEEL : en es
  • FR772698A - Improvements in billiards games : en fr
  • GB418824A - Improvements in or relating to the production of printing surfaces : en
  • ES132200A3 - An improvement in the manufacture of labeled paper or cardboard tubes. : en es
  • FR772664A - Improvement in the rafters of filter basins : en fr
  • GB418817A - Improvements in or relating to induction furnace arrangements : en
  • DE604932C - Arrangement of the drive in small electric locomotives : de en
  • US1978865A - Extensible rod or pole : en
  • US1978690A - Electric water heating apparatus : en
  • US1978739A - Seal or guard : en
  • US1978876A - Floating bearing : en
  • CH172715A - Method and device for loading an oven. : de en
  • CH172822A - Liquid fuel pump for internal combustion engine with mechanical injection. : en fr
  • CH172895A - Family Book. : en fr
  • BE405096A - : en
  • ES135521A1 - A method of manufacturing metal handles for containers in the form of animal silhouettes. : en es
  • CA345637A - Electric discharge device grid : en fr
  • FR772599A - The stop valve : en fr
  • FR772671A - Manufacturing process for lacquers and pigments and products conforming to those obtained by this process : en fr
  • GB418831A - Improvements in or relating to electric signalling systems for indicating the available seating accommodation in theatres and like places : en
  • US1978436A - Drilling device : en
  • US1978587A - Full fashioned stocking with eng : en
  • ES2573Y - Tabletop game. : en es
  • FR772533A - Improvements to devices such as skylights : en fr
  • GB418887A - Improvements in carburettors : en
  • DE604898C - Guide comb for pushing the slices onto the needles of the rotating conveyor body of a slicing machine : de en
  • ES135446A1 - A procedure to avoid the autococción of the coffee in the portas of espresso machines. : en es
  • ES135404A1 - An electro-mechanical machine for shoe cleaning. : en es
  • GB418959A - Improvements in or relating to dialysing apparatus of the filter press type : en
  • GB419361A - Improvements in and relating to the manufacture of cyanine dyes and their use in photography : en
  • CA345589A - Pipe beating machine : en fr
  • CA345652A - Electrical oscillation generator : en fr
  • FR772500A - Automatic switching or adjusting device : en fr
  • DE604822C - Electric machine with flaked poles and remanence bars : de en
  • SU39064A1 - Rotary coking furnace : en ru
  • SU39137A1 - A device for producing paper tape records using a copying system : en ru
  • PL20547B1 - Diaphragm fuel pump for internal combustion engines, especially for automotive internal combustion engines. : en pl
  • US1978404A - Method of producing ketones : en
  • US1979064A - Telegraph repeating system : en
  • US1979000A - Lasting footwear : en
  • SU39562A1 - Oil pump for film projector : en ru
  • US1978409A - Mechanism and mechanical method for making runproof or run-re-sistant full-fashionedhosiery : en
  • US1978418A - Concentric return multiconductor cable : en
  • US1978944A - Gun sight : en
  • USD93723S - Design for a dish or similar article : en
  • US1978869A - Manufacture of refined gutta percha, balata, and the like : en
  • US1978909A - Lip stick holder or the like : en
  • US1978900A - Punching machine : en
  • SU39224A1 - The method of obtaining amplitude modulation by adding in the antenna phase-modulated oscillations : en ru
  • SU39644A1 - Bike Attraction : en ru
  • US1978417A - Parallel motion device : en
  • US1978963A - Spacer and tie for concrete forms : en
  • CH172948A - Filtering device, in particular for making coffee and tea infusions. : de en
  • AU1769634A - Improved process for producing perforate rubber articles andthe product of such process : en
  • CA345605A - Balanced gear pump or motor : en fr
  • CH172910A - Connection between the engine block, transmission block or engine-transmission block on the one hand and the chassis of motor vehicles on the other. : de en
  • SU39686A1 - The way water freezing : en ru
  • US1979110A - Capping machine for manual and mechanical driving : en
  • DE604992C - Sliding sleeve coupling for dental handpieces and contra-angles with an intermediate gear between drive and tool shaft : de en
  • US1978640A - Airplane stabilizer structure : en
  • US1978921A - Plant protector : en
  • US1979063A - Method of manufacturing wire cloth belts : en
  • DE604979C - Washing machine tub : de en
  • DE605032C - Liquid switch without extinguishing chamber : de en
  • SU39458A1 - Planting machine for seedlings in cups using funnels : en ru
  • US1978724A - Fountain pen cap and section : en
  • US1979006A - Internal spray nozzle : en
  • CH172674A - Suspension device for curtains, drapes and the like. : de en
  • DK49450C - Tool for Nail Care. : da en
  • US1978848A - Method of making articles from latex : en
  • CH172658A - Boiler. : de en
  • BE405058A - Universal key for heating device registrations : en fr
  • CH172641A - Shelters for motorcycles and the like. : de en
  • SU39143A1 - Continuous adsorption unit : en ru
  • US1979220A - Arc welding apparatus : en
  • DE604852C - Process for the operation of ovens, furnaces and sintering devices according to the principle of intermittent combustion : de en
  • FR772405A - Device for determining the direction of a moving goal : en fr
  • GB418834A - Improvements in and relating to journal packings for gas-meters : en
  • GB418947A - An improved device for composing alternative solutions for crosswords or picture puzzles : en
  • ES135457A1 - Improvements in the manufacture of refrigerators. : en es
  • GB418602A - Improvements in or relating to electrical oscillation generators : en
  • DE604998C - Computing device : de en
  • DK49458C - Device for shelf brackets for glass plates and the like. : da en
  • ES135293A3 - Improvements in the manufacture of car horns. : en es
  • FR772454A - Mailbox for communications and various notices : en fr
  • CA345716A - Locking device : en fr
  • US1978784A - Method of producing multicolor prints and printing plates therefor : en
  • PL20516B1 - Belt press. : en pl
  • SU39414A1 - Writing device for recording measuring devices : en ru
  • SU39539A1 - Calender shaft : en ru
  • SU39348A1 - The method of obtaining molding ground : en ru
  • US1978857A - Razor blade holder : en
  • US1978975A - Positive friction clutch : en
  • ES135384A1 - Improvements in gasoline economizer devices for internal combustion engines. : en es
  • DE604804C - Device for palpating metallic foreign bodies in tissues : de en
  • ES3020U - Globe captive announcer (Machine-translation by Google Translate, not legally binding) : en es
  • GB418903A - Improvements in or relating to telephone or like systems : en
  • ES135519A1 - A process for making potassium sulfate. : en es
  • FR772515A - Semi-automatic start control device : en fr
  • SU39708A1 - The method of obtaining sulfuric acid : en ru
  • US1978528A - Electric converter for luminous tubes : en
  • US1978603A - Diaphragm valve : en
  • US1978618A - Leg setting apparatus : en
  • PL20574B3 - Method for the production of water-insoluble azo dyes. : en pl
  • SU39114A1 - Method for reactivating chlorobenzene hydrolysis catalyst : en ru
  • SU39405A1 - Limiting bracket : en ru
  • US1978662A - Absorption refrigerating apparatus : en
  • US1978827A - Folding table : en
  • SU39520A1 - The method of making silver foil : en ru
  • US1979229A - Removing impurities from metallurgical solutions : en
  • SU39057A1 - Cutting device : en ru
  • SU39382A1 - The method of obtaining wood wool from pine needles : en ru
  • US1978708A - Refrigerator ice door construction : en
  • CH172890A - Device for the transmission of messages by means of modulated light beams. : de en
  • GB418619A - Improvements in and relating to the automatic feeding of steel or other metals to rolling mills : en
  • SU39323A1 - Color Vision Testing Instrument : en ru
  • IE12940L - Water heaters : en
  • FR772617A - Improvements to hydraulic transmissions : en fr
  • GB418867A - Improvements in or relating to electron discharge tubes or electric incandescent lamps : en
  • CH172668A - Device for using various cleaning materials for cleaning floors. : de en
  • DE605090C - Method and device for pressing glass : de en
  • USD93724S - Design for a bottle : en
  • GB418600A - Improvements in or relating to the manufacture of a compound of caffeine and quinine : en
  • PL20459B1 - A device for closing a gate with a sliding spindle from a distance and a method of replacing a gate with a non-sliding spindle with a gate valve with a sliding spindle and a device for manual opening of the gate, closed with a device for closing it from a distance. Patent dependent on patent No. 20458 in the scope of claims 1. : en pl
  • US1978585A - Floor and roof construction : en
  • US1978829A - Method and apparatus for drying capsules : en
  • CH172661A - Fixed device for bringing liquids into contact with gases, in particular for cleaning flammable gases. : de en
  • GB418942A - Improved method of protecting goods against vermin and insects : en
  • GB418720A - Devices for playing table hockey : en
  • GB418806A - Improvements in vehicle suspension systems : en
  • ES135068A1 - An electromagnetic procedure to avoid fraud in electrical installations. : en es
  • GB418648A - Improvements in and relating to electric lamps and similar articles : en
  • FR772609A - Indirectly heated elongated cathode for thermionic tubes : en fr
  • GB418601A - Improvements in and relating to power installations : en
  • SU39230A1 - Method of simultaneously maintaining two telephone or telegraph transmissions : en ru
  • US1978875A - Artificial bait for game fish : en
  • US1978890A - Machine for assembling ophthalmic mountings : en
  • DE604879C - Arrangement for generating an electrical time component : de en
  • DE604987C - AC solenoid, especially AC relay for higher frequency currents : de en
  • FR772648A - Maintenance and renovation product for metal or other surfaces, bare or covered with paint, varnish, or other coating : en fr
  • GB418681A - Improvements in or relating to cash register machines : en
  • FR772699A - Junction box with bayonet lock : en fr
  • US1978429A - Carburetor : en
  • US1978492A - Lever plow : en
  • US1978494A - Hollow structural element : en
  • US1979129A - Milk bottle washer : en
  • GB418616A - Improvements in or relating to the valve mechanism of four-stroke-cycle internal-combustion engines : en
  • DE604747C - Process for increasing the degree of impermeability of objects made of ceramic masses : de en
  • DE605084C - Bicycle battery lamp with a two-part housing made of insulating material : de en
  • ES135450A1 - A POOL TABLE COMBINED WITH ANOTHER EXTENDABLE : en es
  • CA345599A - Wood preservation : en fr
  • PL20473B1 - Electrically illuminated board. : en pl
  • FR772513A - New rail applicable to all tracks on which flanged-wheeled vehicles run, with tires of rubber or coated with rubber or similar materials : en fr
  • GB418832A - Improvements in or relating to apparatus for packing wool and other goods in cartons : en
  • US1978781A - Hook lock : en
  • US1979157A - Bag sealing device : en
  • DE604796C - Lubricating pump for consistent lubricating masses : de en
  • FR772524A - Universal milling machine : en fr
  • SU39675A1 - Lifting crane : en ru
  • US1978982A - Suction apparatus : en
  • US1978609A - Welded manway for pressure vessels : en
  • DE604996C - Rudder dynamometer : de en
  • FR772635A - Heater-gasifier for heavy fuels intended for powering engines : en fr
  • US1978513A - Track wrench : en
  • US1978803A - Method and apparatus for the manufacture of rubber thread : en
  • US1979044A - Cigarette vending machine : en
  • DE604793C - Process for the production of concrete piles in the ground and previously manufactured pile section for the process : de en
  • DE604937C - Device for the rapid de-excitation of synchronous generators : de en
  • FR772423A - Advanced gyroscopic instrument for air navigation and similar applications : en fr
  • GB418892A - Improvements in or relating to roasting utensils : en
  • CA345698A - Bar tie : en fr
  • DE586682C - Arrangement for heating parts of the body : de en
  • US1978725A - Housed spring for hinge connections of eyeglass frames : en
  • USD93742S - Design for a lamp shade : en
  • DE604814C - Mobile device for mixing and applying rock materials and a bituminous binder for road construction : de en
  • DE604826C - Rubber weft weft knitted fabric and flat knitting machine for their production : de en
  • DE604980C - Process for the preparation of compounds of triarylmethanesulfonic acids : de en
  • GB419451A - Improvements in wheels for railway cars, locomotives, or the like : en
  • ES134964A1 - Improvements in a lining or shoe for steam presses or irons. : en es
  • GB418757A - Improvements in or relating to the manufacture of goods of rubber or similar material : en
  • DE604830C - microscope : de en
  • US1978420A - Method and apparatus for pressing pipe : en
  • US1978832A - Fuel cabinet for oil burners : en
  • FR772555A - Support frame, in particular for devices for permanent waves : en fr
  • SU39472A1 - Pneumatic device for entering into the holes of rodents of poisoned particulate matter : en ru
  • US1978468A - Bedpan : en
  • US1979034A - Amplifying system : en
  • FR772563A - Thorium metal alloys : en fr
  • GB418913A - Improvements in flexible cable transmission mechanisms : en
  • GB418940A - Improvements in or relating to cathode ray tube apparatus for use in television and like systems : en
  • DE604903C - Snap lock with locking pin and a corresponding hole part : de en
  • SU39475A1 - Starting evaporator for carburetor engines for internal combustion : en ru
  • US1978842A - Building construction : en
  • DE604813C - Office printing machine with a pressure roller that can be rolled over a flat printing form and that can be raised and lowered automatically : de en
  • DE604944C - Cookware set with support plate : de en
  • DE605091C - Angular guide rail holder : de en
  • GB418614A - Improvements in or relating to hats, helmets and similar head coverings : en
  • US1978733A - Trenching machine : en
  • FR772637A - : fr
  • FR772686A - Improvement of bags and other packaging made of cellulose film or the like : en fr
  • USD93699S - Design for a rooter s cheerstick : en
  • ES135262A1 - Procedure for the coupling of the cups in the cement and asbestos tubes or similar. : en es
  • GB418607A - Improvements in and connected with punches for use in conjunction with files for papers and documents : en
  • US1978863A - Airplane control : en
  • CH172837A - Block battery, in particular for vehicles. : de en
  • ES135361A1 - Improvements in the construction of batteries of electric accumulators for automobiles and other vehicles of mechanical movement. : en es
  • FR772570A - Improvements to hydraulic shock absorbers and thermostatic control devices : en fr
  • GB418708A - Improvements in or relating to wireless aerials : en
  • GB418938A - An improved wood-wool pad, more particularly for use in the treatment of floors : en
  • GB418626A - Improvements in and relating to sheet feeding means : en
  • FR772511A - Chlorinated rubber solutions : en fr
  • SU39095A1 - Method for producing solid metallic mercury emulsions : en ru
  • SU39223A1 - Radio transmitter : en ru
  • SU39704A1 - Device for monitoring and regulating carbonation : en ru
  • US1978481A - Method of molding : en
  • US1978750A - Gearless gauge construction : en
  • DE605040C - Device for determining the cuts when sawing logs in boards : de en
  • DE604843C - Packaging of bottles by means of a continuous partition made of hay, etc., which is guided alternately around the top and bottom of the bottles. : de en
  • DK49456C - Procedure for the manufacture of a fabric for covering wood, metal and other materials. : da en
  • FR772593A - Regulator device : en fr
  • ES135303A1 - IMPROVEMENTS IN OSCILLATING CONNECTIONS : en es
  • FR772667A - Fluid control method for three-position devices : en fr
  • DE604833C - Device for the production of socket wrenches for safety locks : de en
  • DE604899C - Method for cutting up worn wheel tires on railway vehicles : de en
  • FR772492A - Soap dispenser : en fr
  • IE13240L - Detector circuits : en
  • DE604986C - Discharge tubes with glow electrodes heated by the discharge and gas or steam filling : de en
  • DE605045C - Sorting and cleaning device for grain u. Like. With a channel through which an ascending stream of air flows : de en
  • DE605078C - Device for the radial adjustment of brake pads resting on the side of the wheel : de en
  • DE605059C - Brake reverser, which is brought into the driving position by means of electrical drive means and into the braking position by means of an energy storage device, especially for electrically powered vehicles : de en
  • FR772410A - Non-interchangeable bar for current supply : en fr
  • FR772509A - Folding chair : en fr
  • DE604919C - Device for distributing air or gases in liquids : de en
  • DE604995C - Objective nosepiece for microscopes : de en
  • GB418759A - Improvements in or relating to television and like apparatus : en
  • ES135451A3 - A procedure for the cinematographic composition of projected and real images. : en es
  • ES134931A3 - A procedure for mounting clichés for duplicating machines. : en es
  • ES135421A1 - Perfeccionamientos in the construction of rapids and rejones. : en es
  • ES135426A1 - A procedure to operate the internal combustion engines with gas oil. : en es
  • DE604823C - Fixing of sheet metal stacks of electrical machines : de en
  • DE604876C - Device to prevent synchronous machines from falling out, which are connected to one another via a coupling line : de en
  • FR772412A - Star spool holder for sewing machine : en fr
  • DE587918C - Method and device for comparing any columns of several table sheets : de en
  • ES135238A1 - Improvements introduced in the procedures and facilities for the transportation and distribution of gas. : en es
  • GB419137A - Wireless receiving systems : en
  • ES135478A1 - Selection mechanism for making drawings, applicable to straight knitting machines. : en es
  • SU39383A1 - A method of making wooden spoons : en ru
  • SU39685A1 - Way to mind gcheni water : en ru
  • CA345707A - Electron discharge device : en fr
  • DE604878C - Reactive power machine of asynchronous design : de en
  • GB418631A - Improvements in systems for the selective control of remote apparatus, more particularly for centralised traffic controlling installations : en
  • SU39124A1 - Device for controlling steam superheat : en ru
  • US1979124A - Process for the preparation in dry powdered form of animal, fish and vegetable matter : en
  • CA345714A - Garment or bandage : en fr
  • CA345689A - Dipped rubber article manufacture : en fr
  • FR772615A - New artificial resins and their manufacturing process : en fr
  • US1978630A - Sealing or wrapping machine : en
  • US1978878A - Combined projector and talking machine : en
  • US1979191A - Cooling system for automobiles : en
  • FR772507A - Injection pump without valve for internal combustion engine : en fr
  • GB418848A - Improvements in appliances for fitting cotters to valves : en
  • FR772449A - Glide for furniture legs : en fr
  • US1978641A - Illuminating projectile : en
  • GB419289A - Improvements in transformers, choking coils and the like : en
  • FR772685A - Manufacturing process for alkaline nitrates : en fr
  • ES135344A1 - ARRANGEMENT OF AXLES ESPECIALLY FOR AUTOMOTIVE VEHICLES : en es
  • US1978998A - Trap : en
  • GB418729A - Improvements in holders for table- and other articles : en
  • FR772612A - Electric switch : en fr
  • DE604927C - Lockable wheel chocks for rail vehicles : de en
  • CA345591A - Animal raw material conservation : en fr
  • CH172862A - Arrangement for controlling alternating current incandescent light lighting systems, in particular for stage lighting purposes. : de en
  • GB418658A - Improvements in and relating to magnetic sheets, wires or ribbons : en
  • GB418726A - Method of and apparatus for burning low-grade fuels, especially refuse : en
  • DE605064C - Process for removing the mucilage, lecithin and the like contained in vegetable and animal oils and fats. like : de en
  • GB418861A - Improvements in or relating to knives for peeling fruit, vegetables or the like : en
  • FR772628A - Improvements to pressurized fluid brake devices : en fr
  • DE604897C - Cinema film cassette with releasable lock for the spool core : de en
  • US1979004A - Calendering device : en
  • ES135444A1 - New automatic vending machine with gifts. : en es
  • ES135529A3 - A procedure for manufacturing watch cases. : en es
  • SU39654A1 - Device for stopping the liner machines : en ru
  • DE605041C - Gear tester with dial indicator : de en
  • ES135388A3 - Manufacturing process of chains for bicycles and motorcycles. : en es
  • GB418731A - New or improved game apparatus : en
  • DE604832C - Revolving conveyor wing for conveying pulpy masses, e.g. B. grease, through a sieve : de en
  • DE605001C - Adjustable fastening device for plow parts : de en
  • CH172634A - Sliding honeycomb device on the beehive. : de en
  • DE605033C - Steam boiler firing with the moving grate in front of a dry fuel shaft : de en
  • ES134888A1 - A procedure that allows obtaining a new industrial explosive. : en es
  • GB418899A - Coal rake and coal breaker : en
  • DE604835C - Release device for photographic shutters : de en
  • DE604938C - Electrical condenser wound in roll form : de en
  • DK49441C - Milk cooker with a spout placed at the top edge, sloping upwards. : da en
  • CA345651A - Radio transmitter : en fr
  • DE604874C - Cell set for ice makers : de en
  • PL20485B1 - A device for regulating the voltage applied to electric lamps, motors or other electric consumers powered by alternating current. : en pl
  • SU39060A1 - Brush shoe processing machine : en ru
  • SU39327A1 - Rahiotom : en ru
  • US1978743A - Door and window opening tool : en
  • US1978773A - Asphalt spreader : en
  • DE604928C - Motorized railroad car pusher : de en
  • FR772418A - Filing directory system : en fr
  • GB418829A - Improvements in and relating to tool and work holders for hand use : en
  • GB418884A - Improvements in and relating to tanks or containers : en
  • GB418964A - Improvements in electric discharge tubes : en
  • US1979052A - Electric resistance furnace : en
  • SU39591A1 - Car unloading device : en ru
  • DE604818C - Completely encapsulated unit of a ring busbar switchgear for high voltage : de en
  • ES135368A1 - Improvements introduced in the air suction valves. : en es
  • FR772522A - Advanced safety razor blades : en fr
  • CA345718A - Wick burner igniter : en fr
  • ES129752A1 - IMPROVEMENTS IN THE MANUFACTURING OF ELASTIC BENCHES : en es
  • US1979125A - Mechanism for operating metallurgical furnace doors : en
  • CH172848A - Arrangement for regulating, for example, the voltage or the frequency of a network. : de en
  • CH172855A - Device for inserting resistors for the discharge of the residual charge of capacitors. : en fr
  • SU39634A1 - Extractor for spinning machines : en ru
  • CH172675A - Waste paper bin. : de en
  • CH172727A - Process for the production of a mixture of amino acids from substances containing keratin. : de en
  • SU39297A1 - The method of obtaining cm gchitel from the inside of fish : en ru
  • US1979001A - Sawing machine : en
  • US1979012A - Manufacture of molded articles : en
  • US1978484A - Motor : en
  • US1979027A - Carrying devices : en
  • US1979177A - Convertible game apparatus : en
  • CA345737A - Explosive : en fr
  • SU39156A1 - Sleeper Laying Device : en ru
  • SU39201A1 - Station lock device : en ru
  • SU39213A1 - Device for automatic start and braking of electric locomotives : en ru
  • SU39349A1 - Spark trap to cupola : en ru
  • SU39357A1 - A method of making composite astronomical mirrors : en ru
  • DE605019C - Process for loosening welded-on support plates from the sleeper by separating the weld seam in a die : de en
  • SU39029A1 - The method of enrichment of titanomagnetite ores : en ru
  • SU39403A1 - Instrument for measuring internal diameters : en ru
  • SU39446A1 - Logarithmic counter : en ru
  • CA345615A - Shingle : en fr
  • SU39276A1 - A device for cooling with liquid mercury rectifiers and the like. : en ru
  • CH172964A - Music stand designed for use on the march. : de en
  • CH172967A - DC generator for constant current. : de en
  • CA345625A - Alternating current signalling system : en fr
  • US1978467A - Mechanical deodorizer : en
  • SU39129A1 - Form for casting lines in type-setting machines of the Linotype system : en ru
  • SU39506A1 - Method of local protection of metal products against cementation : en ru
  • US1978605A - Tachometer : en
  • US1979050A - Mining machine : en
  • CA345601A - Snap hook : en fr
  • SU39085A1 - Furnace for the combustion of flotation pyrite : en ru
  • PL20520B1 - Oven for roasting coffee. : en pl
  • SU39586A1 - Device for preventing the bursting device of the balloon from being hooked on the hoop and rigging : en ru
  • US1978821A - Process of hardening condensation products from phenols and aldehydes : en
  • US1979132A - Method of making patterns for die structures : en
  • CA345610A - Game : en fr
  • CH172850A - Alarm protection. : de en
  • SU39599A1 - Towing hook for ships : en ru
  • US1978511A - Car axle driving mechanism : en
  • US1978693A - Modulation : en
  • US1978916A - Solenoid : en
  • DE604960C - Machine for soldering tin cans in a vacuum : de en
  • FR772670A - Installation for receiving telephone calls via loudspeaker : en fr
  • CA345685A - Cigar machine : en fr
  • FR772646A - Pipe cleaner : en fr
  • GB418991A - Improvements in or relating to gas-filled electric discharge valves and circuit arrangements incorporating the same : en
  • SU39339A1 - Stick for the blind : en ru
  • US1979066A - Engine : en
  • DE605082C - Oscillating armature motor : de en
  • US1978611A - Lathe chuck : en
  • SU39243A1 - Release clip : en ru
  • US1979142A - Refrigerator : en
  • SU39497A1 - Screw gear : en ru
  • SU39641A1 - Attraction "flight glider" : en ru
  • US1978464A - Subgrader : en
  • US1978870A - Folding stool : en
  • US1978872A - Waffle iron or the like : en
  • US1979160A - Condenser induction motor : en
  • GB418924A - Improvements in or relating to safety devices for hot water boilers : en
  • PL20528B1 - Device for feeding mining machines. : en pl
  • US1978797A - Apparatus for the manufacture of rubber thread : en
  • US1978804A - Electric safety razor blade : en
  • FR772484A - Shock absorber for landing gear or others : en fr
  • DE605060C - AC system, consisting of underexcited power plant generators that work on lines with high charging power, and inductors connected in parallel to the lines : de en
  • GB418595A - Improved appliance for teaching children to walk : en
  • ES135438A1 - Procedure for the manufacture of rubber sheets or sheets with an irregular surface similar in appearance to the astrakhan. : en es
  • GB418654A - Device for the operation of internal combusion engines with a heavy volatile and a light volatile liquid fuel : en
  • GB418815A - Improvements in the suspension of engine and gearbox for motor driven locomotives : en
  • DE605098C - Device for the automatic control of the idle speed of the drive engine of a motor vehicle with a freewheel device and auxiliary machines operated in the auxiliary drive : de en
  • SU39168A1 - Device for stopping the piston of a locomotive machine when driving a steam-engine without steam : en ru
  • ES135376A1 - A method for spreading liquid coating compositions. : en es
  • US1978525A - Dictating and reproducing apparatus : en
  • US1978553A - Illuminated paper supporting device : en
  • US1978485A - Skid and barrel carrier : en
  • US1978629A - Softening water : en
  • GB418765A - Improvements in or relating to regenerative braking systems for electric motors : en
  • DE605005C - Device for ensuring the synchronism of films : de en
  • US1978614A - Electrical welding apparatus : en
  • US1978682A - Measuring instrument : en
  • US1978896A - Fusing method and clip in the manufacture of fused multifocal lens blanks : en
  • US1978959A - Fountain pen filler and stand : en
  • DK49445C - Color Filter for Movie Recording and Viewing Devices. : da en
  • US1978597A - Liquid dispenser : en
  • US1979082A - Electric heater : en
  • DK49470C - PROCEDURE FOR MANUFACTURE OF STRONG AND DURABLE, CASTED COMPOSITION ITEMS WHICH ARE MAINLY FREE OF TENSION. : da en
  • FR772486A - Double-bladed saw frame with rigid tensioner : en fr
  • GB418874A - Improvements in or relating to clips for pens and pencils : en
  • PL20561B1 - A sighting device for machine guns for shooting at airplanes. : en pl