• SU37993A1 - Device for cleaning calonine shafts from squeezing presses : en ru
  • CA343526A - Tire chain : en fr
  • CA343643A - Thermostatic control mechanism : en fr
  • CA343650A - Centrifugal pump : en fr
  • BE403519A - : en fr
  • CH170945A - Process for the preparation of the salt of 2,3-dimethoxy-6-nitro-9- (γ-diethylamino-B-oxy-propylamino) -acridine with 2-methyl-4-glycolyl-aminobenzene-1-arsic acid. : de en
  • CH170913A - Process for the preparation of an azo dye. : de en
  • US1968654A - Refrigerator : en
  • SU37846A1 - The method of obtaining color resin : en ru
  • CA343510A - Artificial silk : en fr
  • SU37957A1 - Bath for electroplating : en ru
  • US1968396A - Sprinkling device : en
  • US1968759A - Display device : en
  • GB414315A - Improvements in and relating to excavators : en
  • SU37802A1 - The method of preparation of viscose solutions : en ru
  • SU37814A1 - A method of manufacturing a denture : en ru
  • SU37888A1 - A device for obtaining variable stereoscopic images : en ru
  • US1968461A - Astronomical instrument : en
  • US1968366A - Nasal guard for atomizers : en
  • US1968569A - Permanent magnet and method of making it : en
  • CH170716A - Cement kiln. : de en
  • SU37651A1 - Gold Recovery Instrument : en ru
  • SU37916A1 - Monitoring device for recording machine operation : en ru
  • US1968570A - Electric current rectifier : en
  • US1968672A - Vehicle tramway : en
  • CH170786A - Booking device. : de en
  • US1968424A - Razor blade sharpening device : en
  • CA343568A - Temperature controlling apparatus : en fr
  • SU37838A1 - Ribbon cutter on a plywood rebinder : en ru
  • SU37922A1 - Bunker for planting machine : en ru
  • US1968098A - Tobacco stemming machine : en
  • SU37788A1 - Apparatus for mechanically separating oxygen supplied from nitrogen into the air supplied to the furnace : en ru
  • US1968624A - Grain dump : en
  • CA343557A - Electric ironing machine : en fr
  • CA343586A - Pneumatic tool : en fr
  • CH170941A - A device having a synchronous motor and a mechanical drive mechanism for driving a shaft at a constant speed, in particular for driving clocks. : de en
  • US1968141A - Liquid petroleum gas distributing system : en
  • US1968246A - Installation of linoleum : en
  • DK49061C - Nozzle for brick ironing machines. : da en
  • US1968800A - Light projector : en
  • SU37797A1 - The method of obtaining sulfitellulose tanning extracts : en ru
  • DE600943C - Surface quality meter : de en
  • DK49053C - Device for permanent indulation of hair during the use of a chemical which, when wetted, generates heat. : da en
  • CH170753A - Equipment with band saw for dressing Hau sticks. : de en
  • SU37989A1 - Continuous motion film projector : en ru
  • GB414260A - Improved bracket : en
  • CA343628A - Fungicide : en fr
  • USD92937S - Combined mirror and clock : en
  • GB414286A - Improvements relating to alkaline electric accumulators of the nickel-iron type : en
  • DE600883C - Miner's lamp indicating gas : de en
  • IS78B6 - Methods and equipment for the production of granular products from liquid materials : en is
  • DE600758C - Round shaped steel for metalworking by turning u. a. with the cutting part divided in the circumferential direction : de en
  • CH170736A - Spinneret for the production of rayon. : de en
  • GB414125A - Apparatus to prevent unauthorised driving of motorcars or other vehicles of transport : en
  • GB414292A - Improvements in or relating to combination locks : en
  • US1968791A - Pneumatic bobbin stripping apparatus and method : en
  • CA343580A - Combustion apparatus : en fr
  • CH170780A - Ring punch for manual operation. : de en
  • DE600711C - Control device for full revolutions, especially for electrically driven rotary luffers : de en
  • GB414192A - A combined pencial holder and sharpening device : en
  • CA343524A - Analytical fractionating column : en fr
  • SU37705A1 - Method for producing diolefins : en ru
  • CA343603A - Anesthetic composition : en fr
  • CH170923A - Process for the preparation of an azo dye. : de en
  • US1968560A - Register : en
  • SU37890A1 - Screen for light design : en ru
  • US1968090A - Electric switch : en
  • US1968485A - Control mechanism for fluid pressure actuated devices : en
  • US1968627A - Balanced golf club head : en
  • SU37973A1 - Apparatus for sorting loose bodies : en ru
  • DE600808C - Compressed gas switch, in which the compressed gas is controlled by a common valve for both the extinguishing of the arc and the switching off movement of the contacts : de en
  • SU37940A1 - Adaptation to artificial honeycombs to prevent bees from sticking to the bottoms of cells : en ru
  • US1968257A - Portable bench sander : en
  • US1968648A - Sprinkler alarm switch : en
  • SU37739A1 - Switch gear : en ru
  • US1968082A - File box : en
  • US1968095A - Compositing cellulose ester sheets : en
  • SU37824A1 - Device for cleaning fish carcasses from scales : en ru
  • US1968119A - Ventilating system : en
  • US1968738A - Duplicating machine : en
  • US1968314A - Spark plug and method of making the same : en
  • US1968113A - Rotary engine or the like : en
  • US1968446A - Means for punching paper : en
  • ES134580A1 - A manufacturing process for confectionery products. : en es
  • FR768078A - Process for preparing a coating, impregnation product and mastic, and plastic materials obtained : en fr
  • FR768305A - Construction of lightweight tanks for compressed gases : en fr
  • DE600875C - Process for making separators for electrical collectors from fibers : de en
  • FR768269A - aircraft fuel tank ejector : en fr
  • GB414414A - Apparatus for preparing samples for testing characteristics of plastic, granular, orpulverulent materials : en
  • SU37697A1 - Autoclave : en ru
  • US1968254A - Prepared nut and process of preparing same : en
  • US1968430A - Book and method of binding : en
  • CH170710A - Process for the production of dust-binding and non-icing road surfaces. : de en
  • CH170849A - Electrical control device for the optional switching of electrical circuits. : de en
  • SU37726A1 - The method of hardening steel products for austenite : en ru
  • USD92930S - Design fob a hinge for cabinet doors : en
  • DE600723C - Chimney slide : de en
  • DE600945C - Optical elements made from organic substances : de en
  • DE600977C - The use of discharge vessels to generate or amplify electrical vibrations to excite underwater sound transmitters : de en
  • SU37649A1 - Apparatus ("depressiometer") for automatic control of crystallization of substances in boiling solutions : en ru
  • SU37865A1 - Invelirna rake : en ru
  • US1968438A - Driving mechanism for sound recording and reproducing systems : en
  • SU37796A1 - The method of obtaining sulfitellulose tanning extracts : en ru
  • US1968444A - Watchcase : en
  • US1968620A - Gas burner : en
  • FR768075A - Method and calling device for automatic telephone systems with selectors : en fr
  • FR768161A - Device for the transmission and reception of ultra-short waves : en fr
  • CA343547A - Aluminium magnesium alloy : en fr
  • CA343613A - Radio apparatus : en fr
  • SU37710A1 - Water tube boiler with three drums connected to each other by curved tubes : en ru
  • AU264856B2 - Semiconductor devices and method of making same : en
  • DE600956C - Locking device for the accelerator pedal of motor vehicles : de en
  • DE600720C - Process for the halogenation of anthracene derivatives : de en
  • ES134122A1 - APPARATUS FOR THE ELECTRO-MAGNETIC TRANSMISSION OF SIGNALS BETWEEN A POINT ON A RAIL LINE AND A TRAIN RUNNING ON SUCH LINE : en es
  • FR768127A - Transmission Mechanism : en fr
  • FR768397A - Waterproof and transportable art monument : en fr
  • US1968633A - Automatic heading device : en
  • US1968758A - Crab trap : en
  • US1968109A - Spring mounting : en
  • US1968656A - Valve control mechanism : en
  • CH170751A - Insole. : de en
  • CH170869A - Gas-filled electric arc lamp. : de en
  • US1968025A - Brake mechanism : en
  • US1968468A - Mercerization and purification of cellulose fiber : en
  • US1968671A - Internal combustion engine : en
  • DE600768C - Process for the production of films or foils or threads from graphite : de en
  • FR768334A - Insulation or centering parts of electrical conductors : en fr
  • ES2782U - A brass case designed to contain lipsticks (Machine-translation by Google Translate, not legally binding) : en es
  • FR768088A - Noise emitting device with capacitor in parallel : en fr
  • GB414224A - Improvements in or relating to smokers' ash or waste receptacles : en
  • FR768205A - Protective coating against decay for masts, sheet piles, sleepers, etc., of wood, and process for its manufacture : en fr
  • FR768028A - Mixed aircraft upgrades : en fr
  • AU1584134A - Improvements inthe treatment of textile materials : en
  • SU37769A1 - A device for measuring the amplitude values of a variable voltage : en ru
  • GB414277A - Improvements in metallic structural members suitable for roof framing : en
  • SU37678A1 - Dyeing harness barge with washing device : en ru
  • SU37992A1 - The method of making autotype cliche : en ru
  • US1968169A - Means for producing a phase modulated wave : en
  • US1968261A - Hair dressing device : en
  • US1968476A - Focusing means for cameras : en
  • US1968705A - Radial coupler mechanism : en
  • SU37995A1 - Hydraulic rod pump for deep wells or boreholes : en ru
  • CH170834A - Carburetor process for internal combustion engines and carburetor for carrying out this process. : en fr
  • CA343572A - Elastic fabric : en fr
  • US1968519A - Stiffener for collars : en
  • US1968152A - Process for accelerating the hardening of hydraulic binding means : en
  • FR768337A - Fixing device for portable shears : en fr
  • FR768193A - Friction clutches improvements : en fr
  • FR768348A - New explosive with liquid air or liquid oxygen and cartridges with application : en fr
  • FR768382A - Fluid for pressurized fluid apparatus : en fr
  • GB414236A - Water-tight and rustless wristlet watch holder : en
  • SU37774A1 - Electronic lamp : en ru
  • US1968550A - Rubber roller grinding machine : en
  • DE600881C - Protractor for checking the rake angle on thread cutting dies : de en
  • DE600923C - Process for the production of basic esters of tropic acid : de en
  • CA343633A - Injector : en fr
  • US1968234A - Radio dial illumination : en
  • US1968432A - Connecter : en
  • US1968604A - Transmitting gear : en
  • DE600892C - Device for moistening paper and other webs : de en
  • FR768170A - : fr
  • GB414317A - Improvements in or relating to joints for artificial limbs : en
  • GB414409A - Improvements in machines or apparatus for filling bottles or the like with liquids : en
  • US1968011A - Ignition device for high-power arc lamps : en
  • ES134358A1 - A procedure for the production of waterproof fabrics. : en es
  • ES134574A1 - A machine for scraping shoe parts. : en es
  • SU37795A1 - Method for removing bristles from pigskin : en ru
  • FR768058A - Automatic tissue stop mechanism : en fr
  • IE13149L - Disinfecting device : en
  • FR768082A - Snap-type safety closure for small valuables bags, letter envelopes and the like : en fr
  • DE600821C - Gas-tight closing device for a housing that accommodates a plurality of electrical collector vessels or runners : de en
  • US1968156A - Process of preparing physiologically active extracts from the anterior lobes of the hypophysis : en
  • US1968462A - Article holder : en
  • US1968478A - Thread cop : en
  • GB414162A - Improvements in or relating to electrically operated wind screen wipers : en
  • FR768073A - Hanging inkwell with reservoir for writing instruments : en fr
  • DE600937C - Device for the rapid excitation of DC machines with an exciter : de en
  • FR768101A - Process for the production of 1-amino-2.3-dimethylanthraquinone : en fr
  • FR768168A - Improvements in the preparation and application of titanium compounds : en fr
  • DE600895C - Two-part joint strips : de en
  • CH170890A - Small illuminated advertising pillar to set up on a frame. : de en
  • US1968164A - System for measuring transmission losses at various frequencies : en
  • US1968218A - Electric motor : en
  • CH170713A - Gas burners on water heaters. : de en
  • US1968695A - Miniature upright piano : en
  • FR768233A - Gear pump : en fr
  • FR768156A - Process for the manufacture of artificial marble and similar products : en fr
  • FR768324A - Circuit breaker switch : en fr
  • SU37703A1 - The method of producing tannate iron : en ru
  • DE600762C - Lathe device : de en
  • GB414332A - Improvements in and relating to glass pressing machines : en
  • GB414692A - Improvements in or relating to the manufacture of fireproof and waterproof fabrics and yarns : en
  • SU38003A1 - Fixed installation for testing and adjusting motor carriage brakes : en ru
  • CA343625A - Radiator connection : en fr
  • GB414282A - Improvements in and relating to tobacco feeding means for cigarette making machines : en
  • US1968384A - Shaping means : en
  • CH170706A - Floor covering made of rubber with underlay insulating against noise and cold. : de en
  • CA343618A - Frequency selective system : en fr
  • GB414391A - Improvements in and relating to electric discharge lamps : en
  • GB414341A - Process for the manufacture of a fodder : en
  • DE600867C - Process for precipitating organic cellulose esters from the reaction mixture : de en
  • GB414198A - An improved crank and connecting rod assembly : en
  • SU37738A1 - Electric Mortise Switch actuator : en ru
  • US1968343A - Electrical speed controlling device : en
  • US1968139A - Nonrefillable bottle : en
  • US1968243A - Protective coating composition : en
  • US1968739A - Radio receiving system : en
  • SU37781A1 - The method of obtaining paint for stamps and rotary-multiplying devices : en ru
  • US1968709A - Attachable toothbrush protector : en
  • GB414401A - Golf practice mat : en
  • SU37685A1 - Combined coking oven of kexperative or recuperative type : en ru
  • SU37860A1 - Marking table : en ru
  • SU37950A1 - Bending tube : en ru
  • USD92932S - Design fob a hat : en
  • DE600700C - Device for discharging light bulk material, in particular tobacco, from a constant suction flow : de en
  • GB414397A - Improvements relating to the automatic actuation of adding machines : en
  • FR768392A - Wing end fairing : en fr
  • GB414308A - Improvements in or relating to means for determining courses and/or distances from a chart : en
  • DE600763C - Steam oven with several baking rooms one above the other and pull-out ovens : de en
  • DE600796C - Cinema recorder with a device for triggering single and series picture recordings : de en
  • FR768136A - Portable grid for walls or wall coverings in tiles or slabs : en fr
  • DE600811C - Process for the production of water-resistant casein glues : de en
  • ES134317A2 - IMPROVEMENTS INTRODUCED IN THE PURPOSE OF SAID PATENT : en es
  • DE600742C - Adjustment device for photographic cameras : de en
  • GB414291A - Self-opening screw-cutting die head : en
  • CH170877A - Process for the preparation of 4-amino-6-cinnamoylamino quinaldine. : de en
  • CH170830A - Extrusion press for pressing profile strands from plastic masses. : de en
  • CA343596A - Brassiere : en fr
  • US1968427A - Elevator signal system and switching mechanism : en
  • USD92906S - Design for a spoon or other article : en
  • SU37719A1 - The method of making cliches for glass : en ru
  • US1968171A - Steam circulating system : en
  • DE600713C - Arrangement for obtaining emanation according to : de en
  • DE600870C - High-pressure steam generator with indirect heating of an evaporator by a high-boiling liquid heated in an existing low-pressure boiler : de en
  • ES2773U - A glove (Machine-translation by Google Translate, not legally binding) : en es
  • GB414369A - Improvements relating to the manufacture of fuel briquettes from carbonaceous material : en
  • US1968134A - Combined initial and percussion composition : en
  • US1968445A - Gate-operating mechanism : en
  • DK49078C - Refrigerator. : da en
  • AU1279233A - Method and apparatus for baling : en
  • AU1534633A - Improvements inthe manufacture and production of pure sulphur : en
  • ES134555A1 - Guarantee closing procedure for one-piece boxes or similar containers, cardboard, cardboard and the like. : en es
  • DE600948C - Infinitely variable bevel gearbox in both directions of rotation : de en
  • GB414318A - Improvements in heat indicating devices for ovens, stoves or the like : en
  • SU38046A1 - Stretcher for bulk material : en ru
  • US1968182A - Gun mount : en
  • US1968223A - Process of treating paper pulp : en
  • US1968315A - Spring structure : en
  • SU37839A1 - Safety device when working on woodworking machines : en ru
  • US1968328A - Process of making inlaid mounts : en
  • US1968553A - Choker valve means : en
  • US1968792A - Process of manufacturing flanged bodies : en
  • CA343604A - Internal combustion engine : en fr
  • CH170882A - Switching arrangement for amplifying low-frequency oscillations. : de en
  • CH170704A - Device for loosening up and getting rid of cut grass. : de en
  • CA343498A - Cellulose derivative product : en fr
  • US1968102A - Garment bag : en
  • US1968288A - Variable speed transmission : en
  • US1968715A - Expansible joint structure : en
  • CH170900A - Caterpillars. : de en
  • DE600935C - Partition wall for fire-proof and smoke-proof subdivision of large accessible cable ducts between power plant and switchgear into individual sections : de en
  • USD92929S - Design for a doorlatch for cabinets : en
  • USD92936S - Design for a cap : en
  • CA343599A - Electric percolator : en fr
  • SU37647A1 - The way the lobes of the spinning plants : en ru
  • US1968802A - Method and machine for producing springs : en
  • SU37659A1 - Turbodrill : en ru
  • US1968354A - Meter cut-out : en
  • US1968097A - Tensioning device : en
  • US1968280A - Cathode structure : en
  • USD92876S - Design for a shoe : en
  • GB414151A - Improved top cylinder lubricating oils : en
  • CA343486A - Cream dispenser : en fr
  • DE600698C - Equipment for the production of rigid shoe caps : de en
  • DE600730C - Iron bed frame : de en
  • ES134530A1 - Procedure to ennoble aluminum alloys. : en es
  • US1968291A - Shoe : en
  • DE600801C - Manufacture of identification plates for motor vehicles : de en
  • SU37699A1 - The method of obtaining sulfur from pyrite and similar materials : en ru
  • DE600712C - Arrangement for constant current regulation in an alternating current circuit : de en
  • FR768110A - Brush intended in particular for cleaning typewriter characters : en fr
  • GB414249A - Method of and arrangement for obtaining the delayed initiation of occurrences in circuits for cathode ray tubes : en
  • FR768094A - Improvement in windows, tilting doors and the like : en fr
  • ES2785U - A fabric with curl, or so-called russians (Machine-translation by Google Translate, not legally binding) : en es
  • FR768003A - New first aid kit in the event of accidents and illnesses : en fr
  • AU1716334A - Improved lock for securing doors, gates, lids, or the like : en
  • FR768218A - Method and device for the manufacture of briquettes from cohesive materials and in particular from coal dust, lignite, etc. : en fr
  • SU38063A1 - Method of protecting metal surfaces from rusting : en ru
  • US1968023A - Central liquid distribution : en
  • DE600987C - Cable splicing machine for manual operation : de en
  • DK49072C - Device for connecting hoses to gas, air, steam, water or other liquid and the like with pipes or the like. : da en
  • GB414142A - Improvements in or relating to means for attaching or connecting nets or the like to posts or like supports particularly in connection with games or sports : en
  • GB414386A - Improvements in miners' and like safety lamps : en
  • GB414416A - Improvements in and relating to indication devices for broadcast receivers : en
  • US1968068A - Process and apparatus for measuring the phase difference of electric currents : en
  • US1968138A - Timer : en
  • US1968317A - Demountable reflector assembly : en
  • US1968263A - Drinking tumbler : en
  • US1968564A - Milking apparatus : en
  • US1968643A - Wardrobe suitcase : en
  • FR768333A - Ceramic products and their manufacturing method : en fr
  • GB414289A - Improvements in means for mounting guns on aircraft : en
  • SU37959A1 - A device for mechanically moving the upper slide of the turning lathe : en ru
  • SU38015A1 - Stamping Machine : en ru
  • US1968523A - Automatic bottle filling mechanism : en
  • GB414185A - Improvements in water and other liquid heaters and steam generators : en
  • DE600701C - Device for guiding weft bobbin thread ends to weft bobbin magazines : de en
  • DE600818C - Call waiting machine : de en
  • DE600709C - Train control according to the point system : de en
  • DE600715C - Arrangement for obtaining emanation : de en
  • US1968107A - Mining machine : en
  • CH170771A - Process for the production of homogeneous mixtures of color bodies, oily substances and water. : de en
  • CH170902A - Switching device for motor vehicles with multi-speed transmissions. : de en
  • SU37653A1 - A lot of Russian bakery oven : en ru
  • US1968363A - Skylight bar : en
  • GB414163A - Improvements in or relating to portable machines for treating floors and articles laid thereon : en
  • ES2774U - Curling and hair curling device. (Machine-translation by Google Translate, not legally binding) : en es
  • FR768209A - Improvements to conveyor furnaces for sheet heating : en fr
  • FR768363A - : fr
  • US1968135A - Lifting coupler for containers : en
  • US1968734A - Sewer pipe construction : en
  • US1968653A - Electrically operated automatic fuel control device for internal combustion engines : en
  • CA343554A - Center arch brick : en fr
  • CA343555A - Pigment dispersion in cellulose ester solutions : en fr
  • CH170746A - Sleeve protectors, especially for hairdressers. : de en
  • SU37906A1 - Logarithmic counter : en ru
  • SU38028A1 - Device for trimming rollers of carding machines with a Garnet tape : en ru
  • US1968125A - Skylight rib construction : en
  • US1968525A - Thermostatic control : en
  • US1968506A - Fuel tank lock : en
  • DE600874C - Control valve for compressed air brake devices : de en
  • DE600825C - Hydrocarbon gas generator : de en
  • DE600863C - Swimming conditioning procedures : de en
  • US1968083A - Transfer : en
  • US1968224A - Ignition timer : en
  • FR768275A - Automatic firearm : en fr
  • FR768370A - Box opening system : en fr
  • GB414298A - Improvements in interlocking arrangements for electric switches : en
  • DE600924C - Ink distributor roller in lifter and ductorless inking units, especially for rotary printing machines : de en
  • ES134512A1 - Improvements in bread dough refining machines. : en es
  • GB414264A - Improvements in railroad rails and the like : en
  • GB414392A - A new or improved fastening for use with small flexible bands, chains or the like, such as wrist watch bands or the like : en
  • GB414117A - Process of and apparatus for the manufacture of yeast : en
  • CH170925A - Process for the preparation of an azo dye. : de en
  • CH170939A - Time-setting mechanism for a timepiece. : en fr
  • FR768252A - Improvements to marking-gumming machines : en fr
  • FR768389A - Reinforced concrete without formwork : en fr
  • GB414253A - An improved process and apparatus for applying cap strips to bottles, jars and the like : en
  • GB414135A - Improvements in or relating to thermionic amplifiers : en
  • GB414295A - Apparatus and process for the low temperature distillation or carbonization of bituminous coals : en
  • GB414649A - Improvements in auxiliary transmission mechanism for use on tractors : en
  • FR768085A - Improvements to filters for liquids : en fr
  • FR768296A - Salinometer : en fr
  • US1968341A - Agents for combating pests and in a process of applying same : en
  • US1968786A - Cooking vessel : en
  • FR768261A - Process for obtaining contrasts on textiles by photochemical means : en fr
  • FR768347A - Cartridge based on liquid air or liquid oxygen : en fr
  • GB414199A - Improvements in or relating to bacon slicing machines and the like : en
  • GB414296A - Improvements relating to short wave aerial systems : en
  • USD92893S - Design for a water cooler : en
  • US1968172A - Banding machine : en
  • US1968198A - Means for protecting radio receiving sets : en
  • DE600756C - Device to indicate that high voltage fuses have blown : de en
  • GB414124A - Coin-freed time controlling mechanism for valves and electric switches : en
  • GB414175A - Improvements in paper and like bags or sacks : en
  • FR768260A - Metal door : en fr
  • FR768343A - Mounting device for liquid soap spill dispenser : en fr
  • SU37978A1 - Stamped biscuit machine : en ru
  • US1968088A - Protective lining for vessels : en
  • US1968348A - Nozzle : en
  • US1968484A - Fluid pressure actuated device and means for controlling same : en
  • US1968713A - Crank case attachment : en
  • FR768204A - Coupling between two shafts for motor vehicles : en fr
  • FR768284A - Photometer to determine the optimum exposure time in photography : en fr
  • GB414206A - Improvements in or relating to drawing pencil-holders for thin flat leads : en
  • GB414384A - Improvements in or relating to door checks and like devices : en
  • FR768297A - Incandescent filament electric lamp : en fr
  • FR768336A - Fire extinguisher : en fr
  • GB414263A - An improved continous water weir of reinforced concrete or the like : en
  • SU37727A1 - Heat quenching wool : en ru
  • US1968772A - Radio apparatus : en
  • US1968552A - Oxidation of alcohols : en
  • SU37915A1 - Desk for the book of complaints : en ru
  • US1968783A - Artificial stone ftook and method : en
  • DK49066C - Glidebaad. : da en
  • FR768354A - Advanced needle bearings : en fr
  • GB414715A - Improvements in or relating to the control of mercury arc rectifiers : en
  • SU37983A1 - A method of making paper of Japanese type. : en ru
  • SU37965A1 - Ring saw : en ru
  • DE600971C - Capsule blower with blower blades that are completely rounded on their outer circumference : de en
  • US1968188A - Hydraulic power transmission and timing control therefor : en
  • US1968286A - Loose sheet holder : en
  • USD92886S - Design for an ice cream cone : en
  • GB414193A - Improvements in and relating to electron discharge devices : en
  • DE600807C - Absorption vessel : de en
  • FR768126A - Method and device for regulating the power of free-piston compressors : en fr
  • ES2788U - A new rubber boot to hold liquids (Machine-translation by Google Translate, not legally binding) : en es
  • US1968110A - Internal combustion engine : en
  • GB414357A - Improvements in and relating to thermionic valves : en
  • SU37809A1 - The method of obtaining viscose linen : en ru
  • SU37856A1 - Electrolyzer for producing metallic magnesium by electrolysis of molten chlorides : en ru
  • US1968536A - Balancer : en
  • ES134567A1 - Improvements introduced in naphtha vaporizers. : en es
  • FR768235A - : fr
  • US1968602A - Tender frame : en
  • US1968728A - Tile wall construction : en
  • DE600826C - Storage pendulum for the rear end of a traveling grate : de en
  • FR768187A - Processes for improving the construction of roads and other similar surfaces : en fr
  • FR768322A - Improvements in the balancing of telephone cable circuits : en fr
  • GB414153A - Improvements in the manufacture or treatment of textile and other shaped materials and articles made of or containing organic derivatives of cellulose : en
  • CH170714A - Hot water boiler with gas heating. : de en
  • FR768206A - Tanning machine : en fr
  • ES132119A1 - A stopper meter-control meter. : en es
  • FR768177A - Advanced flying machine : en fr
  • SU37861A1 - Conveyor : en ru
  • US1968696A - Wash rag or pad : en
  • GB414297A - Improvements in or relating to addressing and like series-printing machines : en
  • SU37942A1 - Device for fishing : en ru
  • US1968303A - Toothbrush : en
  • SU37981A1 - Roll for preparing high concentration paper pulp : en ru
  • US1968493A - Clamshell bucket : en
  • SU37706A1 - The method of hydrogenation of cinnamic acid : en ru
  • US1968636A - Rewinding machine : en
  • ES134556A1 - Improvements in the manufacture of footwear. : en es
  • FR768031A - Synthetic resins and their manufacturing process : en fr
  • US1968605A - Kidney extract for treatment of renal insufficiency : en
  • ES2776U - A special tap for liquid passage (Machine-translation by Google Translate, not legally binding) : en es
  • GB414320A - Improvements in chain grate stoker installations : en
  • SU37891A1 - Micro refractometer : en ru
  • US1968143A - Goggles : en
  • US1968279A - Apparatus for decorating webs of material such as paper, cloth, and the like : en
  • SU37969A1 - Device for automatically closing the entrance of acetylene gas into the hose in case of lack of water in the fuse : en ru
  • US1968327A - Apparatus for coloring photographic mounts : en
  • USD92896S - Design for a casket : en
  • USD92915S - Design for a powder box : en
  • BE403693A - : en fr
  • DE600949C - Process to avoid increased corrosion at the riveting points of aluminum sheets that are provided with corrosion-resistant coatings : de en
  • ES133806A3 - Procedure for the construction of discs or covers for automobile wheels. : en es
  • FR768124A - Improvements to the game of small billiards with ball launcher : en fr
  • FR768291A - Alarm system triggering device for safety boxes : en fr
  • GB414379A - An instructional toy : en
  • FR768248A - Improvements to cases, especially for binoculars : en fr
  • GB414309A - Improvements in and relating to catamenial bandages : en
  • US1968248A - Amplifier tube : en
  • US1968373A - Swivel trolley conveyer : en
  • FR768328A - Deferred arming fuze, able to operate by pushing in and by inertia : en fr
  • SU37760A1 - Span control device : en ru
  • US1968797A - Sulphuric derivative of higher alcohols : en
  • GB414146A - Improvements in or relating to the finishing of cloth : en
  • US1968033A - Process and product relating to tertiary ethers : en
  • FR768160A - Spool for photographic film or other similar applications : en fr
  • FR768255A - Selective control devices for brocade looms, cardboard cutters and the like, electrically controlled : en fr
  • SU37755A1 - Anchor clip for steel aluminum drives : en ru
  • SU38050A1 - Fat water purifier : en ru
  • DE600939C - Automatic welding machine for carbon arc welding : de en
  • FR768153A - Fixing the bung ring on the iron drums : en fr
  • CH170791A - Contact device for musical instruments, in particular organs. : de en
  • CH170808A - Second watch. : en fr
  • GB414319A - Improvements in photographic objectives having an iris diaphragm : en
  • CH170727A - Springy chair. : de en
  • US1968382A - Wind tunnel : en
  • CA343507A - Rotary pump : en fr
  • GB414326A - Improvements in the manufacture of embossed rubber articles : en
  • SU38058A1 - The method of preserving sugar juices with a one-time production of silicate : en ru
  • FR768247A - Star-shaped rotary knife sharpener : en fr
  • CA343622A - Dyeing machine : en fr
  • CH170881A - Telephone system for the wireless transmission of messages to participants in a conference. : de en
  • CA343542A - Card for statistics : en fr
  • FR768311A - Ionic relay with three electrodes including an anode, a cathode and a control electrode : en fr
  • US1968702A - Hydraulic brake safety device : en
  • CA343545A - Aluminium base alloy : en fr
  • US1968194A - Thermostatic control : en
  • DE600717C - Arrangement for obtaining emanation according to : de en
  • DE600839C - Automatic repeating device for speaking machines : de en
  • GB414159A - Improvements in and relating to boxes adapted for dispensing their contents : en
  • ES2790U - Towel rack (Machine-translation by Google Translate, not legally binding) : en es
  • FR768050A - Absorption refrigeration machine : en fr
  • FR768214A - Improvements made to two-jaw flanges, in particular to those, called "cable clamps", for the connection of electrical conductors : en fr
  • GB414256A - Improved gear cutter and method of relief-grinding the same : en
  • DE600705C - Process for the hydrogenation of coal : de en
  • GB414110A - Improvements in or relating to the manufacture of barium fluosilicate and its application : en
  • US1968337A - Egg laying registering apparatus : en
  • US1968489A - Acoustical plaster : en
  • FR768264A - Box for shoe creams etc. : en fr
  • FR768171A - Electric discharge tube comprising a cathode and one or more grids : en fr
  • FR768229A - Receiving apparatus for multiplex telegraphy : en fr
  • FR768128A - Device for holding the electrodes of a discharge tube : en fr
  • FR768340A - Temperature indicator : en fr
  • US1968607A - Loose leaf binder : en
  • DE600800C - Method and device for taking into account parallaxes caused by different locations of a measuring point and a point receiving the measured values or shifting of meeting points caused by other causes : de en
  • DE600988C - Arrangement for controlling the excitation of asynchronous reactive power machines : de en
  • CA343646A - Electric timing mechanism : en fr
  • CA343487A - Mattress spring insert : en fr
  • CH170722A - Fumivorous. : en fr
  • CA343548A - Copper-silicon-manganese alloy : en fr
  • DK49055C - Loose burner device for gas hobs. : da en
  • CA343533A - Portable burning and heating apparatus : en fr
  • FR768093A - Process for the manufacture of chlorinated indanthrones : en fr
  • FR768149A - Burner for liquid fuels : en fr
  • FR768167A - Improvements to hydration or dehydration reactions : en fr
  • FR768280A - Magnet for signaling the passage of the tail of a train : en fr
  • CA343556A - Engine fuel injection apparatus : en fr
  • BE403901A - METHOD FOR MAKING COPIES ON WAFFLE FILMS : en fr
  • DE600710C - Electrical contact for switches, especially extinguishing chamber switches, for switching large currents : de en
  • FR768360A - Wreath lift : en fr
  • FR768104A - Improvements to elastic bases for seats and mattresses : en fr
  • FR768199A - Cornet or bag, especially for fruits : en fr
  • FR768299A - Improvement in rubber boots and gaiters : en fr
  • SU37986A1 - Device for changing the proportions of originals through photographic shooting : en ru
  • US1968256A - Shoe supporting jack : en
  • US1968572A - Shoe counter : en
  • US1968596A - Wire clamp : en
  • US1968598A - Concrete pressure pipe : en
  • US1968652A - Control for draft regulators : en
  • US1968557A - Radioreceiver : en
  • CH170842A - A device for carrying the movable line, which is arranged on a non-stationary electrical apparatus with a movable connection line. : de en
  • AU1355533A - Device for distributing poison baits : en
  • DE600703C - Pressure or suction filter device : de en
  • US1968048A - Evaporator for refrigerators : en
  • DE600891C - Clamping device for cardboard calender : de en
  • DE600917C - Call waiting machine : de en
  • CH170833A - Method and device for regulating, setting and manual operation of multi-cylinder fuel pumps for airless injection in internal combustion engines. : de en
  • SU37980A1 - Machine for breaking pulp rollers, wood pulp and similar materials : en ru
  • US1968157A - Process of purifying viscose solutions : en
  • US1968422A - Multiple control valve : en
  • DE600782C - Stand-by case for electrical, surgical, in particular dental instruments : de en
  • DE600960C - Adjustable contact thermometer : de en
  • FR768047A - Method for sensitizing silver halide emulsions : en fr
  • CH170946A - Process for the preparation of the salt of 2,3-dimethoxy-6-nitro-9- (γ-diethylamino-B-oxy-propylamino) -acridine with 3-acetylamino-4-oxy-benzene-1-arsic acid. : de en
  • CA343644A - Humidity controller : en fr
  • FR768023A - Construction game : en fr
  • SU37970A1 - Adaptations to heating furnaces to adjust the length of the heated pipe ends : en ru
  • BE403756R - Electrical apparatus, in particular x-ray apparatus : en fr
  • ES134579A3 - Machine for washing grids or plates of electric accumulators. : en es
  • GB414232A - Improvements in or relating to insulating bushes for the terminals or other connections of electrical apparatus : en
  • BE403775A - : en
  • SU37690A1 - Drainage filter for bulk material : en ru
  • US1968360A - Oil burner : en
  • US1968239A - Art of dewaxing hydrocarbon oils : en
  • BE403599A - Process for producing very viscous oils, more particularly of the nature of lubricating oils : en fr
  • US1968251A - Tape tensioning means for cable wrapping machines : en
  • US1968683A - Reaper : en
  • DE600749C - Circuit arrangement for dismantling lighting : de en
  • AU1396233A - Electric elevator systems : en
  • CA343579A - Stocking supporter : en fr
  • CH170887A - Illuminated circuit diagram. : de en
  • AU1485833A - Improvements in or relating toa method of modifying the properties of rubber surfaces : en
  • CH170826A - Water taps. : de en
  • CA343497A - Medicament introducing apparatus : en fr
  • CA343592A - Nickel copper alloy : en fr
  • CA343621A - Rectifier and pentode : en fr
  • DE600860C - Process for the production of circuit diagrams used for monitoring electrical systems : de en
  • FR768022A - Method and apparatus for high-frequency electrical communication ensuring the secrecy of correspondence and avoiding atmospheric disturbances : en fr
  • US1968351A - Heating apparatus : en
  • SU37952A1 - Spring-lever device for driving the rotary lever of the electric switch : en ru
  • CH170738A - Stranding machine. : de en
  • SU37889A1 - Stereo panoramic device : en ru
  • US1968229A - Torque tube stabilizer : en
  • US1968502A - Egg beater : en
  • SU37750A1 - Aperiodic shortwave antenna : en ru
  • SU38034A1 - Manual rolling machine : en ru
  • CA343584A - Oil green bloom agent : en fr
  • CH170918A - Process for the preparation of an azo dye. : de en
  • SU37778A1 - Electrode for arc surfacing of hard alloys : en ru
  • SU38009A1 - Method of making grinding stones : en ru
  • SU38059A1 - Extraction method from sugar molasses and technical magnesia : en ru
  • US1968219A - Sign holding device : en
  • SU37884A1 - Sound recorder : en ru
  • US1968145A - Process and device for printing multicolor partial pictures on lenticular films : en
  • US1968470A - Power transmission for internal combustion engines : en
  • SU37731A1 - Reinforced concrete span : en ru
  • SU38022A1 - Three bladed rattle for scutching machines : en ru
  • US1968153A - Address-printing machine : en
  • US1968175A - Rotary machine : en
  • FR768384A - Polluted water purification process : en fr
  • CA343564A - Carboxylic acid : en fr
  • CA343519A - Air deflector : en fr
  • CH170715A - Building material for floors and walls. : de en
  • FR768294A - Advanced die-casting machine : en fr
  • CA343558A - Refrigerator : en fr
  • CH170914A - Process for the preparation of an azo dye. : de en
  • CH170860A - Contact device for relays. : de en
  • US1968675A - Conveyer roll disk assembly : en
  • SU37996A1 - Automatically operated device for shutting down the pump : en ru
  • CA343620A - Corrugated paper making machine : en fr
  • FR768188A - Playing card press : en fr
  • GB414150A - Improvements in coin-controlled apparatus for delivering predetermined quantities of liquids : en
  • SU37675A1 - Device for milling holes in the ears of needles : en ru
  • SU37780A1 - Device for the release of carbon black : en ru
  • SU37974A1 - Device for cutting pique to openwork machines : en ru
  • US1968030A - Automatic gearless transmission : en
  • US1968037A - Display means and method : en
  • US1968104A - Amplifying system : en
  • US1968377A - Blowing device for rock drills : en
  • CA343632A - Abrasive device : en fr
  • GB414722A - Improved indiarubber cover for handles : en
  • CA343617A - Tunable dynatron amplifier : en fr
  • AU1278433A - An improved package for confectionery or other goods : en
  • CA343522A - Match packet : en fr
  • GB414650A - Improvements in arrangements for converting direct current electric supply into alternating electric supply : en
  • SU37763A1 - Device to protect electrical installations from overcurrents : en ru
  • US1968742A - Volume control device for radioreceivers : en
  • US1968179A - Method of manufacturing acetyl ester compounds : en
  • US1968378A - Rock drill : en
  • DE600927C - Reinforcement for road surfaces : de en
  • GB414280A - Improvements in or relating to electric fires : en
  • DE600849C - Changeable pencil : de en
  • CA343573A - Vertical boiler : en fr
  • CA343577A - Liquid material transferring apparatus : en fr
  • FR768268A - Dust extractor : en fr
  • FR768335A - Improvements to conveyor belts : en fr
  • CH170734A - Threaded cap. : de en
  • CA343523A - Carboy truck : en fr
  • GB414330A - Improvements in meat and like cutting machines : en
  • GB414372A - Improvements in or relating to electric clocks : en
  • CA343635A - Electrical prospecting method : en fr
  • FR768059A - Bearing device for rotary pumps : en fr
  • FR768036A - Automatic Telephone Call Dial Recorder : en fr
  • US1968404A - Waffle iron : en
  • SU37775A1 - Mercury Rectifier Training Device : en ru
  • DK49063C - Squeezing chamber. : da en
  • FR768076A - Leaf capacitor, and particularly rotating capacitor : en fr
  • CH170850A - Device to prevent energy storage drives from overflowing for apparatus that can assume several positions with reversible direction of movement. : de en
  • CH170864A - Pilot burner device. : de en
  • FR768129A - Cutting machine for paper rolls and the like : en fr
  • US1968431A - Ventilator : en
  • FR768066A - Fiber toothed wheel and its manufacturing process : en fr
  • US1968711A - Method and apparatus for vibrating : en
  • FR768125A - Device for dispensing and testing electric batteries : en fr
  • CA343538A - Scaffold bracket : en fr
  • SU37930A1 - Adaptation to sheaves for descent of sheaves to the ground with trapping of showered grain : en ru
  • US1968289A - Method of and apparatus for collecting and padding steel wool : en
  • US1968324A - Lid type locking cap : en
  • US1968801A - Positive drive differential : en
  • BE403683A - : en fr
  • CH170819A - Hair clipping scissors. : de en
  • US1968046A - Trailer construction : en
  • US1968054A - Mining machine : en
  • US1968554A - Automobile signal arm : en
  • US1968032A - Preparation of monoethers of glycols : en
  • GB414312A - Improvements in or relating to the preparation of formic acid : en
  • GB414154A - Improvements in measuring device for liquids : en
  • GB414183A - A new or improved toy : en
  • FR768331A - Automatic regulator for motor-compressor units or similar installations : en fr
  • SU37803A1 - Ventilation device for centrifugal spinning machines : en ru
  • SU37990A1 - Malteysk movie projector transmission : en ru
  • US1968457A - Transmission of intelligence over wires : en
  • US1968517A - Water supply shut-off : en
  • FR768097A - Lockable liquor cabinet : en fr
  • FR768099A - Method and devices for mechanical recording of oscillations, in particular sound oscillations : en fr
  • FR768273A - Electron tube : en fr
  • US1968420A - Telephone system : en
  • US1968463A - Agricultural hand implement : en
  • US1968533A - Machine for removing paste from grids : en
  • GB414168A - Improvements in or relating to golf bags : en
  • CH170876A - Milk suction bottle. : de en
  • US1968281A - Method and means for laying waterproof coverings : en
  • US1968390A - Distributing valve : en
  • US1968417A - Pineapple stump chopper : en
  • US1968207A - Shipping crate : en
  • US1968074A - Process of preparing resin solutions : en
  • US1968668A - Shoe bottom filling material and method of making the same : en
  • USD92877S - Design for a fly swatter : en
  • GB414169A - Improvements in or relating to sheet delivery mechanism for printing machines : en
  • GB414177A - Improvements relating to devices for offsetting ridgers or other draft implements attached to rotary tilling machines : en
  • FR768074A - Combination luminous advertising device : en fr
  • US1968185A - Automobile brake : en
  • DE600841C - Self-collecting lock with a letter lock : de en
  • SU37948A1 - Automatic ignition device in internal combustion engines : en ru
  • SU38010A1 - Automatic pen for pen : en ru
  • GB414129A - Improvements in and relating to garment suspenders : en
  • FR768106A - Wheel tire, in particular for wheels of vehicles running on rails : en fr
  • FR768369A - Saw for masonry, rocks and other applications : en fr
  • SU37680A1 - Device for catching the ends of the fabric bundles when dyeing on the barges : en ru
  • SU37740A1 - Device for electric gig : en ru
  • SU37799A1 - Machine for decortication of prickly plants : en ru
  • SU37904A1 - The method of analysis of gas mixtures : en ru
  • US1968073A - Shuttleless loom : en
  • US1968776A - Electric heater : en
  • FR768242A - Multiple matrix for melting fillets and vignettes on linotypes : en fr
  • GB414210A - Improvements in or relating to the manufacture of oxygen generating or evolving substances : en
  • DE600785C - Tube spring for pressure gauge : de en
  • DE600915C - Cross knife for meat wolves : de en
  • GB414346A - Method of securing a sheath or casing on to a tubular object, the product of said method and its practical application : en
  • ES2779U - Metallic zip closure for footwear that replaces the laces, ribbons and buttons that are currently used. (Machine-translation by Google Translate, not legally binding) : en es
  • FR768381A - Vehicle wheel brake : en fr
  • SU37676A1 - Disc threading plate : en ru
  • US1968276A - Milling machine transmission and control : en
  • ES134361A1 - Improvements in the devices designed to prevent the splash of water or mud by the vehicles in motion. : en es
  • ES2775U - A new car horn (Machine-translation by Google Translate, not legally binding) : en es
  • US1968319A - Thermostat control of pilot flames : en
  • DE600873C - Compressed air brake equipment with a device for gradually releasing the brakes : de en
  • DE600942C - Process for the production of foils : de en
  • FR768114A - Methods of fixing refractory bricks to the metal walls of hearths : en fr
  • GB414316A - Improvements in or relating to carbon mountings for arc lamps : en
  • DE600836C - Barrel weight type scales with security printer : de en
  • GB414347A - An improved manufacture of acetylene and organic compounds therefrom : en
  • ES134575A1 - Apparatus for filtering gasoline and similar liquids. : en es
  • FR768239A - Plant for the transformation of high boiling point hydrocarbons into low boiling point hydrocarbons : en fr
  • FR768081A - Optical and sound signaling system applicable to billiards with retractable balls : en fr
  • FR768243A - Method and apparatus for the purification of oils : en fr
  • GB414234A - Improvements in or relating to the manufacture of porous rubber : en
  • GB414245A - Improvements in pea-shelling machines : en
  • FR768140A - Method of applying insecticides or similar substances to plants : en fr
  • GB414239A - Improvements in or relating to optical systems for observing displacement or deflection in connection with measuring instruments : en
  • US1968399A - Rack : en
  • ES133768A1 - Improvements in the construction of scales for ships. : en es
  • DE600847C - Safety device on doors u. Like. For holding thieves and burglars : de en
  • FR768245A - Method for increasing the sensitivity of silver halide emulsions, whether sensitized or not : en fr
  • GB414653A - Improvements in the manufacture of spur and bevel wheels : en
  • SU37724A1 - Valve is hot blowing with water cooling : en ru
  • US1968616A - Golf club shaft : en
  • SU37870A1 - Amount measuring apparatus : en ru
  • US1968129A - Clutch : en
  • US1968181A - Centrifugal machine : en
  • US1968471A - Adjustable wheel lug : en
  • CA343605A - Cam cutting machine : en fr
  • CH170768A - Process for the preparation of a substantive copper-containing azo dye. : de en
  • FR768098A - Orthodisazo dyes and their preparation process : en fr
  • CH170702A - Mower. : de en
  • DE600804C - Drying drum : de en
  • DE600872C - Axle bearing with wide clearance and lower limit of the wedge-shaped inlet areas : de en
  • FR768025A - Hot bending installation of railway tracks : en fr
  • FR768314A - Perpetual calendar : en fr
  • FR768057A - Improvements to vehicle tires : en fr
  • FR768234A - Shuttle automatic changing loom : en fr
  • US1968545A - Roasting device : en
  • SU38017A1 - Device for transmitting measuring instrument readings : en ru
  • ES1738Y - Typed tape container. : en es
  • GB414276A - Improvements in or relating to machines for setting projectile fuzes : en
  • DE600975C - Laces for shoes : de en
  • SU38019A1 - Three digit light for traffic control : en ru
  • CA343549A - Vacuum machine : en fr
  • DE600919C - Stiff turn-down collar : de en
  • US1968084A - Cushioning panel : en
  • SU37757A1 - Electric switch : en ru
  • SU37836A1 - Slider to circular saw for mounting and feeding the workpiece in various positions : en ru
  • SU37869A1 - Liquid dispenser : en ru
  • FR768045A - New fuel : en fr
  • SU38035A1 - Adaptation for internal rolling in sleeves : en ru
  • GB414373A - Improvements in or relating to controllers for electric motor control systems : en
  • SU37901A1 - Centrifugal friction coefficient meter : en ru
  • US1968047A - Heel and method of making the same : en
  • US1968642A - Fuse : en
  • DE600996C - Reverberation-absorbing wall cladding : de en
  • FR768207A - Automatic clutch release device for agricultural machinery : en fr
  • DE600932C - Method for the simultaneous remote transmission of several signals with high frequency : de en
  • US1968501A - Loader mechanism : en
  • DE600828C - Bags for carrying pressed coal : de en
  • DK49062C - Apparatus for Opening the Cells in Grains. : da en
  • SU37665A1 - Coal loading machine : en ru
  • DE600864C - Candle saver : de en
  • DE592052C - Production of alkali nitrates in dry form : de en
  • ES134572A3 - A mechanical process for the manufacture of metal plate link chains. : en es
  • SU37671A1 - Pipe gripper : en ru
  • SU37886A1 - Field colorimeter : en ru
  • GB414261A - Current transformer of coil type : en
  • DE600887C - Wear plate provided on the mouldboard : de en
  • US1968402A - Contractile bobbin : en
  • US1968631A - Front spring for an automobile : en
  • DK49079C - Iodine accumulator. : da en
  • DE600965C - Bucket wheel excavator : de en
  • FR768079A - Improvements to collectors for economizers and other heat exchanger devices : en fr
  • FR768364A - Process for preparing dibenzanthrone and its derivatives : en fr
  • US1968211A - Bottle hooding device : en
  • US1968511A - Railway car : en
  • SU37745A1 - Transmitter Stabilization Method : en ru
  • US1968160A - Cutting and shaving blade attachment for surgeons'forceps : en
  • US1968216A - Player organ : en
  • SU37702A1 - Nozzle to the furnaces for burning flotation tailings : en ru
  • SU37898A1 - Lever device for testing building materials : en ru
  • SU37939A1 - Churn : en ru
  • USD92911S - Design fob a bottle : en
  • SU37793A1 - Diaphragm Gas Apparatus : en ru
  • US1968414A - Fruit picker : en
  • CA343631A - Bituminous material carbonization : en fr
  • CA343516A - Ski harness : en fr
  • FR768060A - Rotor machine : en fr
  • GB414141A - Improvements relating to supporting brackets and other fittings for curtain rails : en
  • BE403949A - Improvements to infusion machines : en fr
  • CH170740A - Device for driving a loom. : en fr
  • CA343565A - Wire stripping machine : en fr
  • CH170778A - Method and device for driving one or more groups of at least two cooperating rollers, in particular those of cardboard and paper machines. : de en
  • US1968410A - Apparel : en
  • CH170911A - Process for the preparation of a mixture of mixed anhydrides between boric acid and organic acids. : de en
  • AU1555433A - Improvements in automatic telephone systems : en
  • SU37847A1 - A method of making plastics from wood flour, etc. : en ru
  • US1968244A - Protective coating composition : en
  • SU37827A1 - Lift : en ru
  • US1968258A - Receptacle closure : en
  • US1968503A - Fruit washing machine : en
  • SU37808A1 - The method of purification of the precipitation bath during spinning : en ru
  • CA343566A - Shelf : en fr
  • CH170936A - Process for the preparation of a vat dye of the anthraquinone series. : de en
  • US1968617A - Crystal frequency adjustment : en
  • USD92902S - Design foe a flour sifter : en
  • US1968676A - Slub catcher : en
  • US1968704A - Jelly manufacture : en
  • CA343515A - Hose coupling : en fr
  • CA343606A - Duplicating machine : en fr
  • DK49064C - Typewriter device. : da en
  • CH170822A - Welded foot piece for machines. : de en
  • CH170847A - Electrical switching device controlled by a clockwork. : de en
  • CH170708A - Rail sleeper. : de en
  • DE600779C - Toggle switch with noise dampening : de en
  • DE600802C - Template table for engraving machines for easily interchangeable templates : de en
  • CA343553A - Foodstuff chilling method : en fr
  • SU37736A1 - Sealing device between the air and water reservoir of the hydro-accumulator : en ru
  • AU1581834A - Improvements in and relating to lehrs with roller beds : en
  • SU38052A1 - Device for neutralizing the acidic waters of fish ponds : en ru
  • SU37845A1 - The method of obtaining non-melting and insoluble resins and varnishes : en ru
  • DE599313C - Process for the production of Isoliergehaeusen with embedded metallic fastening parts : de en
  • GB414381A - The manufacture of azodyestuffs and intermediate products therefor : en
  • CH170802A - Device determining, in a clockwork movement, the effective lengths of the hairspring during the oscillation of the balance. : en fr
  • GB414161A - Improvements in travelling hoisting and handling apparatus of the telescopic column type : en
  • GB414189A - Improvements relating to combined storage and shelter structures : en
  • CH170910A - Device for pneumatic milking of cows. : de en
  • CH170767A - Process for the preparation of a copper-containing azo dye. : de en
  • GB414211A - Improvements in or relating to austenitic corrosion-resisting alloys : en
  • FR768265A - Closed clamp for desiccation crevices : en fr
  • SU37770A1 - Explosion Proof Electric Lighting Device : en ru
  • SU37879A1 - The method of preparation of a wax disc with a sound recording on it to the coating with a layer of silver : en ru
  • GB414203A - Improvements in or relating to galvanic batteries : en
  • ES134301A1 - Electric appliance heating stove. : en es
  • DE600745C - Method and device for removing the emulsion layer from old films : de en
  • FR768134A - Detachable fenders for motor cars : en fr
  • FR768225A - Dish tray and suction cup drip tray : en fr
  • CH170858A - High frequency tuning coil with adjustable self-induction value. : de en
  • CH170894A - Portable clothes case. : de en
  • SU37798A1 - Method of making cellulose sulphite extract : en ru
  • SU37964A1 - Divisible head : en ru
  • CH170795A - Cooling device for rapid fire weapons. : en fr
  • FR768186A - Washer for laundry : en fr
  • FR768220A - Aircraft landing platform : en fr
  • GB414228A - Improvements in thermionic valves : en
  • SU38026A1 - The drive unit to the removable comb card machine : en ru
  • US1968542A - Direction responsive means : en
  • CH170756A - Method of preheating mash. : de en
  • CH170781A - Pivoting partition plate for card index boxes. : de en
  • CH170899A - Tractor. : en fr
  • CH170908A - Device for controlling the brakes of aircraft wheels. : en fr
  • CA343610A - Multi-range coupling circuit : en fr
  • AU1356333A - Improvements in cloth finishing : en
  • DE599312C - Process for the production of air-insulated twin cores for telecommunication cables : de en
  • CA343575A - Prepared resin : en fr
  • CH170811A - Process for removing the impurities that collect at the top of the transducer in vertical extrusion presses, in particular lead cable presses. : de en
  • US1968395A - Gas burner : en
  • USD92917S - Design fob a shoe : en
  • US1968237A - Band pass circuit : en
  • US1968661A - Folding display container : en
  • US1968641A - Dispenser : en
  • SU37928A1 - Beet harvesting machine : en ru
  • US1968296A - Apparatus for forming articles : en
  • US1968295A - Bottle crate : en
  • FR768021A - Device for polishing strings and cords made of hard fibers, in particular sisal hemp : en fr
  • GB414719A - Coin freed personal knowledge testing apparatus : en
  • AU1357233A - Manufacture of portland and aluminous cements and hydraulic and hydrated limes orthe like : en
  • DE600757C - Electric noble gas lamp with glow electrodes and an addition of mercury vapor : de en
  • GB414238A - Improvements in or relating to motor vehicles : en
  • SU37835A1 - Adaptation to the sawing frame for installation and welding of saws : en ru
  • US1968117A - Power operated dump truck : en
  • FR768300A - Expandable mandrel for winding and other work : en fr
  • GB414214A - Grate cleaning device : en
  • CH170878A - Process for the preparation of sterile, aggressive solutions and device for its implementation. : de en
  • GB414375A - Indirectly heated cathode : en
  • IE13448L - Baking : en
  • US1968253A - Manufacture of phthalimide : en
  • ES2780U - Scale for light metal shotgun with hard metal setting in the friction sites. (Machine-translation by Google Translate, not legally binding) : en es
  • FR768178A - Device allowing a continuous flow out of a container of products in grains or small pieces and its applications, in particular to coffee boxes and to seed drills : en fr
  • GB414134A - Improvements in or relating to submarine electric signalling systems : en
  • FR768038A - Cylindrical spotlights : en fr
  • CA343570A - Bile acid derivative manufacture : en fr
  • ES2786U - Elastic head mallet (Machine-translation by Google Translate, not legally binding) : en es
  • SU38031A1 - Exhaust apparatus for high exhaust : en ru
  • US1968743A - Portable irrigation headgate and dam : en
  • US1968158A - Process for the production of ammonium nitrate base explosive charges capable of being poured or cast : en
  • US1968611A - Protective system : en
  • US1968273A - Display support for burial caskets and vaults : en
  • US1968419A - Transmission mechanism : en
  • SU37777A1 - Device for electric welding of thin strips to massive parts : en ru
  • DK49058C - Device for hobs for stoves. : da en
  • GB414652A - Improvements in and relating to apparatus for drying materials : en
  • CA343600A - Hand brake : en fr
  • FR768034A - Improvements in processes and apparatus for the treatment of waste water, refuse and other similar wastes : en fr
  • CA343539A - Cooking, frying and baking apparatus : en fr
  • CH170856A - Discharge vessel, especially mercury vapor rectifier. : de en
  • CA343658A - Cellulose ester : en fr
  • US1968392A - Solvent process : en
  • US1968488A - Paper cutter : en
  • US1968551A - Elevator control system : en
  • US1968684A - Double bucket dredge : en
  • DE527601C - Process for producing a pitch from acidic resins : de en
  • DE600724C - Device for separating airborne dust from flue gases : de en
  • US1968412A - Chatter eliminator for road maintenance machines : en
  • DE594413C - Adjustable closure, especially for veils, hairdressing hoods, etc. like : de en
  • US1968597A - Ignition controlling device for photographic flash light lamps : en
  • USD92889S - Design fob a shoe : en
  • US1968716A - Suction producing pump : en
  • US1968284A - Fluid controlling valve : en
  • US1968778A - Air washer and dehumidifier : en
  • SU37943A1 - Trap for rodents gophers, etc. : en ru
  • DE600737C - Pre-chamber, especially for crude oil internal combustion engines : de en
  • ES134511A3 - An apparatus for determining the quality of textile fibers and fabrics made with them and for similar applications. : en es
  • FR768350A - Automatic framing device for machines for shaping strips of printed or other paper, capable of changing speed : en fr
  • ES134543A1 - OIL DISTRIBUTOR STEM WITH ANNULAR SEGMENT-SHAPED DISTRIBUTOR BLADES FOR LUBRICATING AXLE BOXES : en es
  • FR768018A - Articulated support for sharp instruments : en fr
  • SU37880A1 - The way to deal with noise and increase the range of loudness of sound recorded on the film in an intensive way : en ru
  • US1968434A - Car seat : en
  • DE600783C - Process for the production of porous or microporous objects from vulcanized rubber or the like. : de en
  • DE600940C - Process for degreasing rawhide, bare skin and leather : de en
  • DE600789C - Organ-like musical instrument : de en
  • FR768144A - Projection device : en fr
  • CA343520A - Automobile door : en fr
  • IE12990L - Piston construction. : en
  • FR768251A - Sterilization device : en fr
  • FR768046A - Device for adjusting the tension of the tracks of a tracked vehicle : en fr
  • FR768146A - Coffee vending machine : en fr
  • ES134357A1 - Procedure for decorating plates or other objects of cement and asbestos or similar materials. : en es
  • FR768371A - Brake servicing improvements : en fr
  • GB414197A - Improvements in or relating to mouthpieces for tobacco pipes and the like : en
  • GB414410A - Means for preventing freezing of the induction systems of internal combustion engines : en
  • DE600790C - String instrument with sound amplification : de en
  • SU38044A1 - Packing method of fish fillets : en ru
  • US1968298A - Container closure : en
  • FR768091A - Counter-distortion optical system for cathode ray oscillographs : en fr
  • DK49076C - Bottle opener. : da en
  • US1968265A - Bag holder : en
  • US1968537A - Rotary motor : en
  • CA343582A - Inclined cross tube burner : en fr
  • DE600856C - Telecommunication cable for the transmission of currents of higher frequencies with return conductor : de en
  • ES134439A1 - Improvements in the arrangement of axle for automotive vehicles. : en es
  • CA343608A - Electric oscillation amplifier : en fr
  • DE600851C - Device for sharpening or sharpening the lead of pencils and fountain pens : de en
  • DE600871C - Control device, especially for locomotive or similar machines : de en
  • GB414344A - Improvements in and relating to electric power transmission systems : en
  • DK49051C - Percussion fire pipes. : da en
  • GB414358A - Improvements in or relating to machines for winding wire coils : en
  • CH170745A - Tie clips, in particular for self-ties. : de en
  • CH170889A - Audible horn with dynamic air action. : en fr
  • ES134547A1 - Finned wheel water meter and without tow box with dry dial. : en es
  • CH170933A - Process for the preparation of a 1-oxyalkylamino-4-arylaminoanthraquinone. : de en
  • FR768176A - Improvements to webs of fabric for conveyors or similar applications : en fr
  • SU37792A1 - The method of fractional condensation of resin vapors from dry distillation gases of solid combustible gases : en ru
  • US1968753A - Solid detergent : en
  • CA343543A - Sash guide : en fr
  • CH170921A - Process for the preparation of an azo dye. : de en
  • CH170741A - Attachment of water motors to washing machines. : de en
  • FR768277A - Current rectifier with envelope or glass bulb : en fr
  • FR768211A - Carabiner closure system : en fr
  • FR768393A - Method for measuring the insulation of conductors traversed by a current : en fr
  • SU38016A1 - Device for signaling at certain intervals of burden : en ru
  • SU37841A1 - Conveyor device for glueing soles, insoles and other shoe parts : en ru
  • US1968645A - Bending device for metallic tubes and the like : en
  • SU37650A1 - Apparatus for air fractional classification : en ru
  • SU37658A1 - Device for automatic feeding of drilling tools for rotary and turbine drilling : en ru
  • US1968403A - Shredding tobacco stems : en
  • US1968405A - Beehive frame locking bar : en
  • US1968137A - Battery terminal clamp : en
  • CH170788A - Photographic material for making color halftone images and methods of making the same. : de en
  • SU37742A1 - Automatic Telegraph : en ru
  • SU37840A1 - Tool for removing chips when drilling : en ru
  • CH170783A - Device for receiving a sheet of paper on typewriters which are set up for making bookings. : de en
  • CA343602A - Aluminium alloy : en fr
  • SU37926A1 - Potato harvesting machine : en ru
  • US1968394A - Decalcomania : en
  • GB414227A - Improvements in or relating to thermionic valves : en
  • CH170928A - Process for the preparation of an azo dye. : de en
  • CH170728A - Dust-tight wall connection with tongue and groove. : de en
  • DE520538C - Device for measuring distances with a fixed distance from one another and provided with reflectors for transmitting and receiving oscillating circuits : de en
  • DE600753C - Schuettelrutschen connection, in which the connecting pieces are drawn together to form a rigid support frame through the suspension chain : de en
  • US1968233A - Laundering machine : en
  • US1968336A - Motor brake : en
  • US1968780A - Milk cooler : en
  • US1968154A - Process for the production of diphenyl : en
  • CH170926A - Process for the preparation of an azo dye. : de en
  • US1968380A - Lug chuck for rock drills : en
  • US1968555A - Lock : en
  • SU37656A1 - Pillows for sealing devices for dry gas cylinder pistons : en ru
  • SU37871A1 - Vacuum Liquid Meter to Record Fuel Consumption in Internal Combustion Engines : en ru
  • US1968787A - Universal joint : en
  • USD92935S - Design for a chain sandal : en
  • CA343591A - Calcium sulphate plaster mix : en fr
  • SU38042A1 - Air-cooled curtain shaft : en ru
  • DE600769C - Process for the production of chlorobromo alcohols : de en
  • FR768238A - New adhesive strip : en fr
  • GB414272A - Improvements in or relating to refuse destructors : en
  • AU1377233A - Improvements in and relating to pistons : en
  • CH170787A - Method and device for the production of picture and sound films. : de en
  • DE600736C - Incubator with several individual compartments : de en
  • FR768063A - Improvements to valves or similar emptying devices, in particular for cans and barrels : en fr
  • SU37941A1 - Device for fishing : en ru
  • US1968469A - Gear shaper : en
  • AU1551033A - Radiofrequency receiver : en
  • SU37661A1 - Device for turning and lifting a drill during manual percussion drilling of holes : en ru
  • US1968413A - Zinc distillation plant : en
  • BE403805A - : en fr
  • CH170796A - Device for measuring the power factor. : de en
  • US1968658A - Dish rack : en
  • SU37853A1 - The method of hot pressing in order to obtain products from hard alloys : en ru
  • US1968196A - System for loading and unloading trailers from railroad cars : en
  • AU1350833A - Improved lock for securing doors, gates, lids, orthe like : en
  • CH170879A - Respiratory. : en fr
  • US1968698A - Fuel vaporizer : en
  • FR768208A - Improvements to rotary pumps for liquids : en fr
  • FR768263A - Process for the preparation of basic azo dyes : en fr
  • CH170880A - Dry fire extinguishers. : de en
  • BE403677A - Base and socket for electric discharge tubes : en fr
  • CA343530A - Train pipe connector : en fr
  • DE600803C - Engraving device for workpieces that can be rolled : de en
  • CA343648A - Phosphorous resin : en fr
  • US1968202A - Refractometer : en
  • USD92903S - Design for an automobile : en
  • BE403708A - : en fr
  • CH170805A - Shock and impact resistant watch. : de en
  • US1968386A - gubelmann : en
  • US1968494A - Draft rigging : en
  • US1968515A - Means for disposing of garbage : en
  • US1968241A - Iron sheet piling : en
  • US1968274A - Clutch control : en
  • US1968543A - Method of and apparatus for refrigerating materials : en
  • US1968174A - System of motor control for hoists : en
  • SU37721A1 - Method of making etching salt for printing plates : en ru
  • SU37914A1 - Watch for watchmen : en ru
  • CH170924A - Process for the preparation of an azo dye. : de en
  • GB414412A - Improvements relating to pit and like props : en
  • CH170763A - Process for the production of a nitrogen-containing condensation product. : de en
  • US1968292A - Printing machine : en
  • FR768367A - Improvements in the manufacture of razors : en fr
  • SU37868A1 - Device for controlling the sensitivity of seismographs : en ru
  • US1968662A - Sharpening apparatus : en
  • USD92934S - Design for a flower holder : en
  • FR768024A - Gear mechanism for controlling rolling mills : en fr
  • FR768169A - Improvements to piston grips : en fr
  • GB414250A - Improvements in or relating to writing points or nibs : en
  • GB414400A - Improvements in direct injection compression ignition oil engines : en
  • ES2783U - Compressible tube intended to contain a pasty substance and whose orifice is covered by a mobile cap. (Machine-translation by Google Translate, not legally binding) : en es
  • USD92880S - Design for a saucepan : en
  • DE600696C - Central lubrication device for consistent lubricants : de en
  • DE600771C - Process for the preparation of 1-phenyl-2-aminopropan-1-ols hydroxylated in the phenyl nucleus : de en
  • DE600859C - Flat belt made of fiber fabric : de en
  • GB414385A - Improvements in miners' and like safety lamps : en
  • GB414411A - Improvements in or relating to adding and subtracting machines : en
  • DE600918C - Additive for explosives : de en
  • US1968078A - Selective code receiver : en
  • GB414221A - Improved method and apparatus for rolling : en
  • US1968755A - Needle weaving attachment for looms : en
  • FR768231A - : fr
  • CA343626A - Azo-dyestuff : en fr
  • CH170938A - Self-winding timepiece. : en fr
  • GB414370A - Improvements in or relating to the preparation of catalytic agents : en
  • DK49071C - Adjustable Potato Cover with Marker, Mold Plates and Cultivator Teeth. : da en
  • DE600934C - Method and device for soft or hard soldering of the waveguides of oil-filled cables : de en
  • CA343561A - Slitting device : en fr
  • CH170800A - Device for viewing stereoscopic roll film images. : de en
  • SU37984A1 - Sheet paper dyeing machine : en ru
  • US1968215A - Tool for cleaning commutators and the like : en
  • SU37907A1 - Slide rule : en ru
  • GB414126A - Improvements in or relating to the stiffening of parts of footwear : en
  • US1968186A - Furnace construction : en
  • US1968612A - Hood catch : en
  • USD92933S - Design for a table : en
  • FR768258A - Method and apparatus for making sinks and basins : en fr
  • FR768391A - Guideways, rigid system : en fr
  • FR768278A - Liquid switch, in particular trigger switch : en fr
  • GB414204A - Improvements in or relating to decorative rubber articles and a method of making the same : en
  • DE600764C - Slider for zippers : de en
  • FR768210A - Mechanical warper : en fr
  • DE600733C - Process for removing hard inclusions from thermally reduced aluminum-silicon alloys : de en
  • FR768309A - Improvements to fire extinguishers : en fr
  • DE600973C - Blind stitch pricking device for attachment to sewing machines : de en
  • FR768067A - Process for the preparation of iron and nickel alloys : en fr
  • US1968235A - Wave motor device : en
  • US1968699A - Combined intake and exhaust manifold : en
  • ES134557A2 - IMPROVEMENTS IN THE FOAM PRODUCING APPARATUS, OBJECT OF THE MAIN PATENT : en es
  • US1968334A - Water film precipitator : en
  • GB414310A - Improvements in detachable shirt collars : en
  • AU1312033A - An improved roadway device forthe prevention of accidents : en
  • FR768312A - Improvements to electric motors, in particular to those for driving fans : en fr
  • GB414133A - Improvements in or relating to lubricators : en
  • FR768132A - Process for the treatment of fibrous materials and products obtained by this process : en fr
  • FR768329A - Glossy, insoluble water-based varnish-paint after drying : en fr
  • FR768352A - Improvements to reflectors for lighting : en fr
  • USD92909S - Design foe an instrument panel : en
  • GB414096A - Improvements in visible warning signals : en
  • GB414207A - Improvements in and relating to the manufacture of candles : en
  • GB414262A - Improvements in scrapers for bands with a sensitive surface : en
  • SU37714A1 - Adaptation in skewing machines for lowering the image drum and crestal after each imprint on the thickness of the removed paint layer from the cliche : en ru
  • US1968609A - Lawn mower sharpening means : en
  • US1968660A - Collapsible display container : en
  • CH170725A - Cover, especially for flower pots. : de en
  • FR768290A - Device for revealing films and photographic plates : en fr
  • FR768356A - Method and machine for combing and ironing furs in a single operation : en fr
  • DE600708C - Process for the preparation of 2- [3-acylamino-6-halobenzyl] -benzoic acids : de en
  • FR768120A - Improvements to devices for cooling the molds of die-forming and line casting machines : en fr
  • GB414131A - A new and improved form of cushion for the neck and head : en
  • SU37837A1 - A table to the coil system of the White system for receiving blanks : en ru
  • SU37859A1 - Device for sorting sewing reels : en ru
  • SU37875A1 - Automatic Scales : en ru
  • FR768366A - Process for the simultaneous manufacture of salts of hexavalent chromium and other valuable oxygenates : en fr
  • GB414196A - Improvements in or connected with propelling pencils : en
  • GB414202A - Improvements in or relating to film magazines for motion picture apparatus : en
  • GB414229A - Improvements in two-stroke internal combustion engines : en
  • FR768165A - Spring seat : en fr
  • ES134421A1 - A process for the manufacture of baskets and similar articles. : en es
  • US1968411A - Convertible toothbrush : en
  • GB414323A - Improvements in or relating to control systems for an electric elevator : en
  • US1968042A - Nesting box : en
  • US1968441A - Process of preparing lacquers, varnishes, or the like : en
  • US1968460A - Noise suppression circuit : en
  • US1968659A - Lifting truck : en
  • FR768191A - Elastic joint for cardan drives : en fr
  • FR768223A - Rocking door : en fr
  • FR768111A - Nest trap : en fr
  • DE600861C - Method and device for the production of ceramic objects on roller corridors : de en
  • GB414648A - A new and improved weatherproof inward opening casement window : en
  • FR768306A - Artificial leg articulation and locking device : en fr
  • GB414186A - Process of manufacturing dental plates and the like of rubber covered entirely or partly with metal : en
  • FR768376A - Means for the construction and operation of intermittent-acting absorption refrigerating apparatus : en fr
  • DE600728C - Anchoring pin for artificial teeth : de en
  • DE600775C - Method for modulating wireless transmitters according to : de en
  • DE600822C - Manufacture of commutator segments by cutting out a continuous double strip of copper : de en
  • FR768139A - Use in t devices. s. f., a support table replacing the antenna or the frame and serving as a capacitor : en fr
  • IE13620L - Pistons. : en
  • GB414184A - Improvements in paper cutting appliances : en
  • US1968252A - Process for refining vegetable and animal oils and fats : en
  • US1968529A - Sash construction : en
  • US1968628A - Powdered soap product and method of preparing the same : en
  • DE600929C - Device for the transmission of modulated high-frequency oscillations with full-wave rectification to loudspeakers : de en
  • US1968275A - Treatment of gas : en
  • BE403625A - Process for the production of images in natural colors on paper and devices (motion pictures) : en fr
  • CA343630A - Yeast manufacture : en fr
  • FR768041A - Assembly of parts, in particular for spark plugs : en fr
  • FR768190A - Loose-leaf binding mechanism : en fr
  • DE600738C - Diaphragm gas valve : de en
  • FR768254A - Method and machine for the production of strips of slide fasteners : en fr
  • US1968031A - Apparatus for and method of separating suspended solids from liquids by sedimentation or settling : en
  • US1968103A - Tap : en
  • US1968769A - Mining machine : en
  • GB414382A - Improvements in wireless and like signalling apparatus : en
  • FR768274A - Process for the manufacture of tiles, slabs and similar products from clay, earthenware and similar materials : en fr
  • FR768361A - fuel saver-diffuser for internal combustion engines : en fr
  • FR768016A - Electric current generator : en fr
  • DE600735C - Device for adjusting two-part, swingably suspended concave : de en
  • FR768072A - Elbow for connecting pipes to radiators and the like : en fr
  • US1968492A - Toy figure : en
  • US1968069A - Method of making clad metals : en
  • ES134569A3 - A procedure for manufacturing razors. : en es
  • FR768145A - Indicating device for remote transmission device : en fr
  • ES134545A1 - Machine for wrapping oranges and similar bodies. : en es
  • DE600766C - Book cover for loose sheets : de en
  • DE600920C - Cooling device for the rolls of rolling mills : de en
  • SU37779A1 - Coating metal electrodes for arc welding : en ru
  • SU37686A1 - The method of heating the gas spool for retort internal heating : en ru
  • US1968546A - Audio frequency distribution system : en
  • US1968623A - Automotive vehicle : en
  • DE600829C - Component for furniture, doors, windows, etc. like : de en
  • FR768313A - Improvements in the making of slide rules : en fr
  • GB414329A - Improvements in or relating to blade skates : en
  • US1968574A - Electric snap switch : en
  • FR768237A - Method and apparatus for electrically engraving, marking or welding metal articles and the like : en fr
  • US1968287A - Device for translating signs agreed upon : en
  • DE600810C - Electric light tube with two electrodes attached to the ends and constant feed of base gases : de en
  • FR768012A - Bedding envelope : en fr
  • US1968588A - Vehicle brake : en
  • USD92922S - Design for a stapling device : en
  • USD92875S - Design for a store front : en
  • SU37820A1 - Soap dish to shave : en ru
  • FR768298A - Devices applied to fluid compressors, achieving, in the same cylinder, two flow rates at different pressures : en fr
  • CH170809A - Process for lining hollow bodies, such as bearing shells, bearing bushes, connecting rod heads and the like with metal, as well as apparatus for carrying out the process. : de en
  • US1968794A - Process of making sulphuric reaction products of aliphatic alcohols : en
  • GB414355A - Improvements relating to footstools and the like : en
  • ES134573A1 - Improvements in the manufacture of the sobreasada. : en es
  • GB414240A - Improvements in or relating to moulds for casting metals : en
  • DE600746C - A pump consisting of two cup-shaped housing parts pushed into one another with their open sides, especially for chocolate masses : de en
  • DE600754C - Process for the production of a fabric elastic in the warp direction : de en
  • ES134583A1 - Electric cigarette lighter : en es
  • FR768307A - Process for the decoration by reserve effects of fabrics constituted by or containing ethers salts of cellulose, as well as in themselves fabrics decorated by this process : en fr
  • GB414218A - Manufacture of chromiferous dyestuffs : en
  • ES2271Y - Mechanical cradle with automatic movement. : en es
  • FR768181A - Process for sizing and / or impregnating paper pulp or other similar material : en fr
  • US1968014A - Centrifugal honey extractor : en
  • DE600978C - Machine for making linoleum mosaic : de en
  • FR768257A - Device for pulling edible roots : en fr
  • FR768319A - Improvements to starter switches in automotive electrical equipment : en fr
  • GB414237A - A process of treating mineral oil distillates : en
  • DE600921C - Process for fixing patterns on velvet, plush or other pile fabrics : de en
  • DE600837C - Display device for projection scales : de en
  • US1968362A - Universally adjustable high speed tool mounting : en
  • DE600634C - Circuit arrangement for systems in which resonance remote control relays are excited by alternating currents, the frequency of which runs through a frequency band generated by a control frequency generator : de en
  • DK49050C - Close to Bottles or similar. : da en
  • DE600403C - Method for modulating transmitters with a carrier frequency amplitude that fluctuates as a function of the modulation strength : de en
  • FR768026A - Self-propelled wagon : en fr
  • GB414314A - An electrically heated wax pot for waxing threads : en
  • US1968355A - Incubator : en
  • DE600716C - Respiratory apparatus according to the arrangement : de en
  • DK49074C - Apparatus for separating the butter-forming constituents of milk or cream. : da en
  • DE600806C - Process and machine for the independent production of jewelry chains : de en
  • FR768200A - Liquid heater : en fr
  • SU37668A1 - Method of making compressed yeast : en ru
  • US1968022A - Lubrication : en
  • CH170804A - Pull winding and setting mechanism. : en fr
  • USD92904S - Design for a front for traveung : en
  • CH170707A - Forestay for construction and earthworks. : en fr
  • CH170765A - Process for the preparation of a mixture of arseno-arsenic compounds. : de en
  • SU37945A1 - Transmission from piston to shaft of a four-stroke internal combustion engine with variable piston stroke : en ru
  • SU37874A1 - Caliper to determine the volume of tree trunks : en ru
  • SU37913A1 - Control hours to account for the time of arrival and departure of workers and employees : en ru
  • SU37791A1 - Darning device : en ru
  • SU37961A1 - Adaptation to a lathe for cutting globoidal worms : en ru
  • US1968451A - Roofing plate : en
  • AU1410133A - Material discharge gun : en
  • CH170735A - Brushless cleaning machine for vessels, in particular for bottles. : de en
  • CH170943A - Bulb for vehicle headlights. : de en
  • ES134576A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • FR768355A - Advanced wetting, penetrating and dispersing agents : en fr
  • US1968592A - Control mechanism : en
  • US1968744A - Drafting board : en
  • SU38025A1 - Card machine : en ru
  • AU1463833A - An adjustable rocker for mounting belt drive electric motors generators, or other machines : en
  • SU37773A1 - Bottom tube : en ru
  • US1968147A - Bed : en
  • US1968388A - Transom and window adjuster and lock : en
  • US1968480A - Electrical contact : en
  • ES2794U - Radiator applicable to explosion engines. (Machine-translation by Google Translate, not legally binding) : en es
  • FR768115A - Vegetable slicer and fruit juicer : en fr
  • SU37709A1 - Method and device for continuous decomposition of phenols and naphthols : en ru
  • US1968406A - Spool winding apparatus : en
  • US1968667A - Hydraulic brake : en
  • US1968762A - Automobile seat ventilator : en
  • FR768065A - Improvements to constant velocity joints for automotive transmission, or other uses : en fr
  • GB414284A - Improvements in or relating to cans or like metal containers : en
  • US1968072A - Under water lighting unit : en
  • US1968148A - Vehicle body tilting mechanism : en
  • GB414413A - Processes of and apparatus for regeneration of contact masses : en
  • FR768064A - Advanced Loose-Leaf Ring Binder : en fr
  • GB414267A - Improvements in or relating to slag wool : en
  • DE600748C - Device to dampen the recoil in machine guns : de en
  • US1968064A - Grip for golf clubs and the like : en
  • US1968085A - System of navigation and plant for carrying it out : en
  • US1968049A - Heat transfer and refrigeration : en
  • US1968205A - Hearse : en
  • CA343654A - Staple driving method : en fr
  • US1968269A - Dipped candle : en
  • US1968165A - Method of making expanding wallets, files, and portfolios : en
  • US1968793A - Sulphuric ester of higher alcohols : en
  • USD92923S - Design fob a shoe : en
  • DE600714C - Arrangement for generating an emanation gas mixture from liquids : de en
  • GB414201A - Improvements in hot cathode discharge tubes : en
  • FR768166A - Production of liquid hydrocarbons suitable as gasoline for automobiles : en fr
  • FR768321A - Special electric switch for billiards : en fr
  • GB414406A - Improvements in or relating to reciprocating pumps for the delivery of liquid : en
  • DE600731C - Winch : de en
  • DE600741C - Mirror finder camera that is designed as an independent unit : de en
  • CH170794A - Chess game. : de en
  • SU37854A1 - The method of obtaining hard alloys : en ru
  • US1968547A - Conveying system : en
  • US1968618A - Driving axle : en
  • US1968790A - Reduction of metallic bodies : en
  • CA343488A - Corn server : en fr
  • CH170896A - Whip stick. : de en
  • DE600780C - Mercury vapor rectifier with mercury cathode : de en
  • US1968589A - Vehicle brake : en
  • SU37955A1 - Transfer between coaxial drive and driven shafts : en ru
  • US1968177A - Box or receptacle for powders : en
  • SU37988A1 - Continuous motion film projector with optical alignment : en ru
  • US1968051A - Shockproof x-ray apparatus : en
  • US1968178A - Acid wool dyestuff of the anthraquinone series and process of making same : en
  • USD92885S - Design for a bottle cap : en
  • SU37852A1 - Method of slag processing : en ru
  • DE600767C - Book protection cover : de en
  • GB414288A - Improved package and method of manufacturing same : en
  • FR768184A - Maintaining steam turbine feed availability : en fr
  • FR768344A - Multipurpose transportable bed, for children : en fr
  • FR768197A - Process for making krypton and xenon from atmospheric air : en fr
  • DE600726C - Thread changing device for circular knitting machines : de en
  • SU37822A1 - Conveyor device for serving public canteens : en ru
  • SU38047A1 - Method for reducing backpressure of seepage water and increasing dam stability : en ru
  • DE595360C - Machine for cutting, lifting, conveying and laying down peat sod : de en
  • US1968035A - Frequency control apparatus : en
  • USD92910S - Design fob a reflector jewel : en
  • FR768044A - Toy : en fr
  • CA343492A - Incinerator : en fr
  • CH170883A - Control device on wireless telecommunications equipment. : de en
  • GB414270A - Improved ventilator fitting : en
  • GB414343A - Improvements in or relating to hot water bottles of rubber or the like : en
  • DE600904C - Process for the production of a mixed fertilizer containing calcium phosphate and nitrogen : de en
  • US1968268A - Drink mixer with automatic elevator : en
  • FR768318A - Flicker switch refinements : en fr
  • US1968630A - Sheet collecting and folding mechanism for printing presses : en
  • DE600963C - Bearings for the burin or milling spindle of engraving or copying machines : de en
  • US1968733A - Axle stub-removing tool : en
  • FR768271A - Container for dispensing substances and in particular pasty substances : en fr
  • FR768388A - Distributor or regulator device activated by gas pressure differences for gas-heated installations : en fr
  • SU37987A1 - Film photographic camera : en ru
  • US1968719A - Fire door : en
  • SU37968A1 - Pipe bending method : en ru
  • US1968540A - Method of balancing propeller blades : en
  • SU37694A1 - A device for cleaning asbestos used in filtration : en ru
  • SU37785A1 - Method for isolating proteins from castor fat : en ru
  • US1968370A - Method of etching a metal graining plate : en
  • SU37674A1 - Adaptation to a lathe for making flexible shafts : en ru
  • US1968159A - Safety lever : en
  • US1968429A - Sound picture apparatus : en
  • US1968622A - Mopstick : en
  • US1968640A - Packing ring tool : en
  • ES134274A1 - A process for the manufacture of an explosive of liquid air or liquid oxygen and cartridges that have application therewith. : en es
  • US1968010A - Channel bending machine : en
  • US1968044A - Lubrication : en
  • US1968593A - Marcel hair waver : en
  • US1968749A - Automobile turning indicator : en
  • BE403503A - Bicycle lock : en fr
  • CH170845A - Process for the manufacture of products with mutually insulated electrical conductors and insulated conductors manufactured according to this process. : de en
  • CH170909A - Machine for working the ballast of railways. : en fr
  • CA343652A - Sulphur dioxide : en fr
  • CA343503A - Telephone indicia indicator and register : en fr
  • SU38043A1 - Mica delamination machine : en ru
  • US1968721A - Means for regrooving spindle whorls : en
  • USD92920S - Design for a shoe : en
  • AU1394733A - Electrical discharge devices : en
  • BE403848A - Combined mask and protective device against dust and gases : en fr
  • CH170762A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • USD92913S - Design for a mail box pedestal : en
  • USD92882S - Design for an aerial camera : en
  • SU38053A1 - Booster : en ru
  • US1968682A - Apparatus for the production of solid ammonium sulphate and diammonium phosphate : en
  • US1968500A - Commodity vending machine : en
  • CH170836A - Internal combustion engine with a flywheel ignition magnet, with a flywheel disc facing away from the motor housing and a plate carrying the stationary parts of the ignition magnet being arranged so as to be adjustable with respect to the motor housing. : de en
  • FR768159A - Winding body for freshly spun artificial silk threads : en fr
  • GB414254A - Stoppers for bottles with internal expanding device : en
  • GB414383A - Improvements in or relating to umbrellas and sunshades : en
  • US1968020A - Blade frame assembly for slicing machines : en
  • US1968111A - Windshield heater : en
  • SU37764A1 - Transposition method of power transmission system : en ru
  • US1968285A - Doorlatch : en
  • US1968730A - Weir : en
  • DE600950C - Mill with a grinding roller and a counter-support arranged on a pivotable support arm : de en
  • US1968381A - Hair drying apparatus : en
  • AU1187733A - Improvements in pipe joints : en
  • SU38020A1 - Method of making art objects : en ru
  • US1968062A - Lettering brush : en
  • US1968724A - Process for water purification : en
  • SU38029A1 - Comb for folding, tape and bucket-roll machines for bast fibers : en ru
  • US1968075A - Detachable hose coupling : en
  • CH170703A - Mower. : de en
  • CA343541A - Bifocal lens : en fr
  • DE600657C - Manufacture of the preform of point rails for heart pieces : de en
  • CH170892A - Journal for cinema. : en fr
  • GB414403A - Textile assistants : en
  • CH170919A - Process for the preparation of an azo dye. : de en
  • DE600760C - Combustible mixture in hulls to generate colored or irritating smoke : de en
  • SU37991A1 - Copy machine : en ru
  • FR768279A - Power switch forming support insulator : en fr
  • SU37684A1 - Hair braiding machine : en ru
  • US1968637A - Landing chassis for aircraft : en
  • US1968522A - Automobile heater and motor cooler : en
  • CA343612A - Frequency determining system : en fr
  • CA343521A - Motor vehicle : en fr
  • CH170720A - Oil firing system. : de en
  • CH170907A - Bathing boat. : de en
  • DE600992C - Cross-flow plate air heater : de en
  • US1968677A - Method and apparatus for dyeing textile materials : en
  • USD92925S - Design for a smock : en
  • BE403696A - Fine charcoal burner : en fr
  • DE1308797U - : de en
  • US1968036A - Tool for forming containers : en
  • US1968520A - Control for change speed mechanisms : en
  • US1968066A - Hand telephone : en
  • CA343585A - Seat supporting deck : en fr
  • US1968513A - Fertilizer distributor : en
  • SU37725A1 - Device for sucking metal out of m on the hearth of open-hearth furnaces : en ru
  • SU37729A1 - Oil to the quenching furnace : en ru
  • US1968708A - Electric water heater : en
  • DE600831C - Objects or coatings made of synthetic resin : de en
  • DE600984C - Rail fastening on iron base plates with conical flanges : de en
  • ES134322A1 - An arrangement or electrical circuit of time. : en es
  • FR768174A - Carburetor automatic altimeter adjustment device : en fr
  • GB414188A - Improvements in door and gate holders and other catches of a like kind : en
  • FR768162A - Coupling of pipes with self-sealing flanges, clamps, etc. : en fr
  • FR768256A - Steels dephosphorization process : en fr
  • FR768293A - Device for coating the interior of tubular hollow bodies with viscous or bituminous substances : en fr
  • SU37737A1 - Castle for railroad arrows : en ru
  • FR768039A - Improvements to coin changer-pay machines : en fr
  • GB414212A - Corrosion-resistant and malleable alloys : en
  • ES134524A1 - An improved process for the production of potassium sulphate. : en es
  • GB414122A - Improvements in or relating to electro-magnetic regulating apparatus : en
  • FR768020A - Ruler fixing device : en fr
  • GB414128A - Improvements in and relating to mechanism for operating traverse rods on silk and like spinning and winding machinery : en
  • US1968350A - Compact : en
  • US1968650A - Packing : en
  • SU37953A1 - Crank gear : en ru
  • SU37892A1 - Nail straightener : en ru
  • US1968197A - Nonsinkable detachable vest : en
  • DE600734C - watch strap : de en
  • DE600761C - Process for the production of gypsum screed : de en
  • DE600776C - Arrangement to eliminate the harmful effects of mains voltage fluctuations on mains-powered radios, mains anodes or the like. : de en
  • AU1314333A - Coated steel article and method of making thesame : en
  • SU37682A1 - Device for measuring and cutting mite into segments of a given length : en ru
  • US1968307A - Feeding and clamping mechanism : en
  • SU37663A1 - Electric jackhammer : en ru
  • CH170810A - Automatic electric welding machine. : de en
  • CA343647A - Rubber article moulding machine : en fr
  • CA343536A - Thrashing machine shaft : en fr
  • CH170739A - Rope, especially for towing purposes. : de en
  • DE600985C - Eccentrically mounted rope fork : de en
  • US1968301A - Humidity regulator : en
  • CH170823A - Machine system with at least two multi-cylinder piston machines. : de en
  • CH170888A - Electrical telecommunication device with control mechanism in the receiver. : de en
  • CH170917A - Process for the preparation of an azo dye. : de en
  • CH170769A - Process for the preparation of a new monoazo dye. : de en
  • CH170852A - Permanent magnet and method of manufacturing this magnet. : en fr
  • SU37695A1 - Water trap for scrubbers : en ru
  • SU37982A1 - Automatic paper meter on paper machines : en ru
  • US1968690A - Linen wringing machine : en
  • CA343629A - Yeast manufacture : en fr
  • CH170719A - Process for finishing objects in fused silica and device for carrying out this process. : en fr
  • CA343659A - Laminated glass making apparatus : en fr
  • CH170866A - Electric safety and ignition device for gas fires. : de en
  • SU37833A1 - Camera : en ru
  • SU38048A1 - The way to soften hard water : en ru
  • DK49065C - Unicycle for Automobiles and similar Vehicles. : da en
  • DE600732C - Hollow block : de en
  • FR768137A - Road treading machine : en fr
  • FR768232A - A method and apparatus for producing in a washing or extracting operation intimate contact between immiscible or at least incompletely miscible fluids : en fr
  • FR768346A - Advanced casing for liquid air or liquid oxygen cartridges : en fr
  • FR768357A - Support sleeve for accumulator plates : en fr
  • GB414200A - Amplification of the volume of sound obtainable from guitars and mandolins, and mondolas and kindred instruments : en
  • SU37789A1 - Round stocking machine on stocking machines : en ru
  • US1968339A - Combination foundation garment : en
  • US1968426A - Shingle unit and roof built therefrom : en
  • US1968731A - Gas burner : en
  • SU37715A1 - Feeder for die cutter : en ru
  • US1968740A - Moccasin shoe : en
  • CH170723A - Impactable, tubular, metal wall dowel sleeve for fastening screws, hooks or the like in walls made of soft building materials. : de en
  • DE600853C - Lifting bell for flushing tanks : de en
  • FR768049A - Process for printing wood in several colors and at once : en fr
  • US1968549A - Liquid heater : en
  • US1968689A - Coupler operating mechanism : en
  • FR768289A - Knitted or crocheted article made on a circular loom and comprising a heel and a toe which are reinforced according to the shape of the foot, and the method of manufacture thereof : en fr
  • SU37704A1 - The method of obtaining vanilla : en ru
  • SU37872A1 - Apparatus for determining the voltage of the heating surface of steam boilers : en ru
  • USD92921S - Design for a lamp : en
  • CH170871A - Process for the production of a metal plate consisting of different layers, which has to conform exactly to a detailed base and plate produced according to this process. : de en
  • SU38049A1 - Apparatus for electroosmotic water purification : en ru
  • US1968535A - Process and apparatus for making building strips : en
  • GB414157A - Improvements in or relating to the process of photographic reversal : en
  • US1968087A - Automatic telephone system : en
  • SU37979A1 - Sugar Casting Device : en ru
  • US1968356A - Wet treatment of artificial silk cakes : en
  • US1968655A - Process for the purification of gases : en
  • US1968680A - Ventilating apparatus for buildings : en
  • US1968788A - Centrifugal separator : en
  • US1968803A - Bobbin stripper : en
  • US1968526A - Process of producing powdered soap of low moisture content : en
  • USD92890S - Design for a shoe : en
  • SU37828A1 - Vertical single chain hoist : en ru
  • US1968321A - Pulley : en
  • US1968514A - Die shaping machine : en
  • CH170733A - Bottle stopper and process for its manufacture. : de en
  • US1968162A - Flat knitting machine : en
  • US1968626A - Resilient golf club head : en
  • DE600549C - Hair waving and drying device with a heated winding rod : de en
  • FR768089A - Improvements in the mechanical manufacture of waterproof paper bags : en fr
  • US1968080A - Artificial mass and process for making the same : en
  • US1968092A - Golf club head : en
  • US1968391A - Combined valve and nozzle : en
  • US1968374A - Signal : en
  • SU37954A1 - Crank gear : en ru
  • US1968250A - Continuous projecting motion picture machine : en
  • CA343509A - Artificial silk : en fr
  • US1968106A - Transmission system : en
  • US1968685A - Casing head : en
  • SU37759A1 - A device for switching on and off at a distance of individual sections of the telegraph line : en ru
  • US1968151A - New hydroxylated derivatives of paraffins : en
  • US1968347A - Ochsenbein : en
  • SU37844A1 - Machine for separating double celluloid crests : en ru
  • US1968452A - Roofing structure : en
  • US1968600A - Electrical winding : en
  • US1968779A - Sealing means for valves : en
  • US1968638A - Liquid expresser : en
  • SU37815A1 - Molding machine : en ru
  • CH170867A - Atomizer nozzle with exchangeable mouthpiece. : de en
  • FR768011A - Bedding item consisting of the combination of one or more separable blankets and a sheet : en fr
  • GB414311A - Improvements in or relating to combing machines : en
  • SU37813A1 - Mechanical hammer for forming metal dental crowns : en ru
  • SU37768A1 - Method and device for detecting and determining the number of short-circuited turns in electric coils : en ru
  • USD92912S - Design foe a patrol type of : en
  • SU38001A1 - Log front : en ru
  • SU37946A1 - Automatic charge pressure regulator for aircraft internal combustion engines : en ru
  • CH170779A - Bottle packaging. : de en
  • AU1531433A - A process and apparatus for the preparation, cooking and canning of chickens and other birds and animal flesh : en
  • DK49054C - Procedure for the production of copy color coating which does not penetrate and is not smeared out, on support means such as paper with text, forms and the like for copying. : da en
  • DE600912C - Device for controlling the closures of shaft conveyor vessels : de en
  • US1968013A - Display and dispensing device : en
  • DE600699C - Illuminated circuit diagram in which the lines are represented by fluorescent tubes : de en
  • DE600747C - Frame for winding ropes, especially fire ropes : de en
  • US1968060A - Wire clamp : en
  • US1968449A - Cylinder liner for internal combustion engines : en
  • CA343571A - Brake beam : en fr
  • US1968433A - Timer fob internal combustion : en
  • SU37971A1 - Bending machine coarse : en ru
  • US1968260A - Push-pull connection for amplifying electric oscillations : en
  • US1968595A - Hydraulic press : en
  • US1968204A - Linoleum installation : en
  • US1968290A - Cushion shoe : en
  • ES134485A3 - An apparatus for pyrography, pyro-pressing and pyro-sculpture using electric current at any voltage. : en es
  • DE600882C - Ring balance for flow measurement with automatic correction of the measurement according to the condition of the medium : de en
  • GB414352A - Electrical musical instrument : en
  • SU37662A1 - Adaptation for mechanical winding of bar machines : en ru
  • US1968155A - Clutch and operating mechanism therefor : en
  • USRE19261E - Temperature responsive device : en
  • US1968058A - Stud driver : en
  • US1968266A - Control device for following mechanisms : en
  • SU37878A1 - A method of making gramophone records : en ru
  • AU1595834A - Improvements in or relating to the hydration of loefines : en
  • CH170798A - Writing bureau machine. : de en
  • CA343546A - Aluminium base alloy : en fr
  • CA343531A - Train pipe connector : en fr
  • CH170944A - Process for preparing an asymmetric arsenobenzene compound. : de en
  • DE600809C - Automatic electrical control device : de en
  • SU37693A1 - Method of making filtering surfaces : en ru
  • SU37786A1 - Bubble Crushing Device : en ru
  • SU38040A1 - Muffle tunnel kiln : en ru
  • US1968326A - Egg tray rack : en
  • SU37800A1 - Harvesting and decortication device for bast stalks : en ru
  • US1968099A - Radio frequency distribution system : en
  • SU37921A1 - Potato Planter : en ru
  • DE600885C - Device for the production of stencils for the adjustment of the cash dispensing devices for wage payment and exchange tills. : de en
  • CH170940A - Time-setting mechanism for a timepiece. : en fr
  • CA343636A - Draft yoke : en fr
  • CH170717A - Device to make it impossible to open the doors of aircraft and other vehicles moving at high speed while driving. : de en
  • US1968453A - Web roll controlling device for printing machines : en
  • SU37905A1 - Method and apparatus for analyzing gases for the content of gels in them : en ru
  • US1968563A - Method of making a female pipe coupling member : en
  • SU37701A1 - The method of obtaining sodium sulfate : en ru
  • SU38000A1 - Device for loading long goods on the car : en ru
  • SU38008A1 - A manually lapping tool for different piston steam distribution valve of the Westinghouse brake pump, etc. : en ru
  • CH170784A - Apparatus for marking flat surfaces. : de en
  • SU38027A1 - Carding machine : en ru
  • US1968293A - Fuel feed system : en
  • SU37848A1 - The method of manufacturing plastics : en ru
  • US1968176A - Fertilizer : en
  • CH170774A - Process for the production of everyday objects. : de en
  • SU38060A1 - Apparatus for determining sugar in condensation waters : en ru
  • US1968238A - Handle-release mechanism for vacuum cleaners : en
  • US1968498A - Automatic phonograph : en
  • US1968079A - Welding machine : en
  • AU1624534A - Improvements relating tothe manufacture of upholstery padding : en
  • CH170737A - Process and device for spinning and winding on bobbins of artificial yarns. : en it
  • SU38041A1 - Apparatus for cooling, drying, washing and the like processing of bulk materials : en ru
  • SU37949A1 - A device for collecting sunlight : en ru
  • US1968221A - Quick attachable button : en
  • CA343484A - Vehicle suspension : en fr
  • SU37730A1 - Preheating furnace for the mass flow of small items : en ru
  • SU38007A1 - Lapping machine : en ru
  • CH170761A - Process for the production of acenaphthylene. : de en
  • CH170724A - Shoe scraper. : de en
  • CH170792A - Ski anti-slip device. : de en
  • DE600894C - Insole with ventilation device : de en
  • FR768164A - Improvements made to constructions such as retaining walls, quay walls, etc., in particular those in reinforced concrete : en fr
  • DK49075C - Rotary pump, especially for viscous Material. : da en
  • DE560148C - Umbrella and parasol with a stretchable cover : de en
  • GB414235A - Improvements in and relating to the manufacture of cast metal pipes and like articles centrifugally : en
  • CH170799A - Multi-serrated positive tone film, method and apparatus for making it. : de en
  • FR768069A - Tube protected against the effects of freezing water or aqueous solutions it contains : en fr
  • DE600824C - Process for making a soap : de en
  • GB414278A - Improvements in and relating to light flashing apparatus using electric discharge lamps : en
  • CA343581A - Refrigeration : en fr
  • SU37927A1 - Machine for harvesting tuber crops : en ru
  • US1968532A - Dual draft fume hood : en
  • US1968745A - Demountable wheel : en
  • CA343512A - Golf club : en fr
  • CA343601A - Solvent and plasticizing composition : en fr
  • SU37762A1 - Safety device for reversing switch of the electric motor used to drive the rocking furnace : en ru
  • US1968548A - Apparatus for the control of blast furnaces : en
  • GB414345A - Method of securing cooling ribs upon tubular members to the resulting product and its combination units : en
  • CH170773A - Process for preparing a fatty substance soluble in mineral oils. : en fr
  • AU1396333A - Improvements in and connected with rivets and method of riveting : en
  • SU37749A1 - Square antenna : en ru
  • US1968591A - Brake and starter control mechanism : en
  • FR768198A - Improvements to cup-making machines : en fr
  • US1968741A - Strainer apparatus : en
  • CH170851A - Protective device for parallel lines. : de en
  • GB414145A - Improvements in or relating to liners for internal combustion engines : en
  • CH170872A - Metal body that can be used in particular for dental purposes. : de en
  • DE600898C - Method for the remote display of temperature and humidity of the atmosphere from a free balloon rising at a constant known speed : de en
  • US1968200A - Pump valve : en
  • US1968213A - Fuse device : en
  • USD92926S - Design for a spectacle frame for : en
  • FR768396A - Improvements to devices intended to detect cracks or other defects in electrical conductors : en fr
  • FR768399A - Extendable cutter : en fr
  • US1968019A - Electric cable : en
  • US1968754A - Hair curling appliance : en
  • GB414179A - Improvements relating to hydraulic testing machines : en
  • USRE19259E - Bearing apparatus : en
  • US1968034A - Floor and roof construction : en
  • US1968443A - Means for heating metal for rolling : en
  • US1968795A - Wetting agent : en
  • US1968330A - System for electrical precipitation : en
  • DE600774C - Procedure for measuring the slope of modulation characteristics and rectifier characteristics : de en
  • CA343639A - Projection system : en fr
  • CH170863A - Headlight washer, in particular for vehicle headlights, for cornering and fog lighting. : de en
  • CH170862A - Process for the temporary reduction of the total voltage of two or more rectifier groups connected in series, especially for radio broadcasters. : de en
  • DE586907C - Through a z. B. telescopically extendable lifting support raisable and lowerable operating and examination chair : de en
  • US1968192A - Combined front and winker stay : en
  • GB414116A - Improvements in or relating to folding tables, trays and the like : en
  • FR768001A - Barrel for electric rotary switch : en fr
  • GB414172A - Improvements in hair-drying apparatus : en
  • FR768323A - Bandage band : en fr
  • GB414407A - Improvements in containers for the transport and storage of fruit, vegetables and the like : en
  • FR768195A - Spark plug : en fr
  • FR768219A - Improvements to pasteurizing devices : en fr
  • FR768398A - Apparatus for detecting gas leaks in underground pipelines : en fr
  • CH170870A - Apparatus for observing the cornea of the human eye. : de en
  • FR768215A - Improvements to processes for ensuring the adhesion of rubber or the like to metal parts, in particular to those for adhering a rubber sheet to a sheet of iron : en fr
  • DE600936C - Electrical resistance body : de en
  • SU37934A1 - Screening, sorting and screening machine by grain size : en ru
  • CH170797A - Device for keeping the current of a circuit to be monitored constant, specifically for measuring purposes. : de en
  • DE600799C - High boots : de en
  • FR768203A - Gas generator for internal combustion engine : en fr
  • GB414213A - Improvements in or relating to the manufacture of hollow metal bars : en
  • GB414322A - Percussive drilling tools : en
  • US1968122A - Folding machine : en
  • US1968167A - Means for use in the manufacture of shoes : en
  • US1968566A - Pump assembly : en
  • GB414342A - Improvements in and relating to developing tanks for photographic films : en
  • SU37734A1 - Device for automatically acting on the air brakes of a wagon when it reaches the set speed limit : en ru
  • SU37767A1 - Fixture for deploying curves along a timeline primarily in oscillographic devices : en ru
  • US1968206A - Cam means for leveling hearse bodies : en
  • US1968267A - Optical instrument : en
  • DE600820C - Double filter plate for filter presses : de en
  • FR768387A - Internal combustion engine with injection, automatic adjustment of the start of injection : en fr
  • US1968325A - Control for air conditioning systems : en
  • ES134565A1 - A machine for shredding chufa soaked. : en es
  • GB414190A - Improvements in miners' electric battery lamps : en
  • GB414331A - Improvements in or relating to metal cutting broaches : en
  • US1968193A - Sun glass spectacles : en
  • FR768320A - Improvements to electrical collector machines : en fr
  • FR768302A - Variable pitch propeller in flight : en fr
  • US1968764A - Apparatus for treating materials : en
  • US1968364A - Guiding means for line-casting machines : en
  • SU37672A1 - Press with turret for making small rivets, contacts, etc. : en ru
  • ES2795U - Folding or bell bed. (Machine-translation by Google Translate, not legally binding) : en es
  • GB414215A - Improvements in and relating to road signs : en
  • GB414740A - Improvements in capsuling bottles and apparatus therefor : en
  • US1968316A - Liquid dispenser : en
  • US1968333A - Foldable and extensible chair : en
  • GB414338A - Improvements in brake mechanism : en
  • US1968496A - Cutter head bit clamp : en
  • US1968578A - Dispenser for collapsible tubes : en
  • FR768010A - Improvements made to electric cooking appliances : en fr
  • FR768048A - Reflectors for street lights : en fr
  • FR768121A - Improvements to metal jars for die-forming and line casting machines : en fr
  • DE600955C - Trailer coupling for vehicles of all kinds, especially for motor vehicles : de en
  • FR768163A - Special cushion : en fr
  • DE600792C - Hair brushing device for fur sewing machines : de en
  • DE600852C - Ski edge : de en
  • CA343594A - Tool for extracting king-pins : en fr
  • GB414219A - Improvements in brushes : en
  • FR768119A - Manufacturing process on lace looms or mechanical tulles of fabrics comprising bands imitating knitting : en fr
  • FR768179A - Process for the purification and regeneration of hydrocarbons, animal and vegetable oils, resins, waxes, etc. : en fr
  • GB414290A - Improvements in fastening devices : en
  • AU1133933A - Improvements in bedstead fittings : en
  • GB414395A - Improvement in rubber strips : en
  • FR768130A - Automobile horn activated by exhaust gases : en fr
  • ES2791U - Metallic wheel (Machine-translation by Google Translate, not legally binding) : en es
  • GB414138A - Process for the manufacture of dyestuffs of the azine series : en
  • ES2287Y - Support table for washing machines. : en es
  • SU37718A1 - Printed form for multi-color printing on paper, fabric, leather and other materials with one print : en ru
  • SU37807A1 - The method of obtaining the starter kendyr : en ru
  • USD92878S - Design for a shoe : en
  • US1968747A - Bottle : en
  • FR768009A - Product to prevent punctures and bursts of tires : en fr
  • FR768068A - Safety bag alarm device : en fr
  • CA343480A - Coffee filtration apparatus : en fr
  • DE599314C - Switch with arc extinguishing by flowing compressed gas : de en
  • SU37912A1 - Tool to prevent errors in the operation of the apparatus for the paper money account : en ru
  • US1968017A - Lubricating apparatus : en
  • US1968397A - Process of neutralization : en
  • FR768103A - Extendable connecting rod bicycle pedal and development : en fr
  • FR768303A - Device for controlling the amplitude of a carrier oscillation : en fr
  • SU37862A1 - Device for automatic shooting of a plowed soil profile : en ru
  • US1968428A - Combination safety shade holder and guide : en
  • DE600964C - Control device for electrically driven weirs with an automatic control device controlled by the movements of the water level and the closure body to maintain the same flow rates : de en
  • GB414205A - Improvements in or relating to the production of rubber or like transfers and rubber or like prints : en
  • DE600833C - Piston measuring device with horizontally arranged cylinder and piston driven back and forth by the liquid, which is designed to be emptied for the purpose of being able to be used for different types of fluids : de en
  • FR768338A - Improvements to assembly devices for high pressure pipes : en fr
  • FR768308A - Improved equipment for dog races on the track after dummy game : en fr
  • US1968124A - Method and apparatus for corrugating tubes : en
  • SU37717A1 - Writing machine : en ru
  • SU37866A1 - A device for measuring areas of flat opaque shapes, such as leather : en ru
  • GB414165A - Improvements in door and like latches : en
  • GB414244A - Improvements in or relating to trousers, coats, jackets or other garments having like leg or sleeve portions : en
  • AU1668534A - Improvements relating to loose leaf binders : en
  • SU37758A1 - Device for automatic switching on and off of electric drives of periodically operating installations : en ru
  • SU38006A1 - A device for grinding a conic tip on engraving cutters : en ru
  • US1968015A - Therapeutic treatment device : en
  • GB414187A - Improvements in and relating to wireless and like receivers : en
  • FR768288A - Automatic extinguishing system for fires occurring in any premises : en fr
  • GB414259A - Diesel-motor driven rail guided vehicles : en
  • GB414303A - Improvements in or relating to railway point lanterns : en
  • US1968043A - Vehicle : en
  • US1968524A - Internal combustion engine : en
  • US1968070A - Headlight tester : en
  • US1968344A - Malleable aluminium alloy : en
  • US1968464A - Ignition system tester : en
  • US1968606A - Tire repair patch : en
  • SU37707A1 - The method of obtaining quinic acid from cranberries : en ru
  • SU37966A1 - File cutter : en ru
  • ES134534A1 - A new boat system. : en es
  • GB414402A - Improvements in and relating to indicators for the tuning mechanism of radio apparatus : en
  • ES134359A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • CH170749A - Fabric clamping device. : de en
  • CA343490A - Sulphur extraction : en fr
  • US1968191A - Smoker's outfit : en
  • US1968142A - Goggles : en
  • US1968504A - Process and apparatus for storing liquid carbon dioxide : en
  • FR768359A - Improvement in the assembly of brake pads for cycles : en fr
  • GB414114A - Silencers for gaseous currents : en
  • ES134561A1 - Improvements in the mechanisms to intermittently activate an organ or element. : en es
  • DE600835C - Filling scale for easily caked goods : de en
  • GB414099A - Improvements in and relating to machines for wrapping pipes and the like : en
  • GB414139A - Improvements in heating systems for motor vehicles : en
  • FR768007A - Hearth plate : en fr
  • FR768071A - Articulated shield for the construction of curved tunnel linings for tunnels, sewers and the like : en fr
  • FR768042A - Improvements to large diameter pipe elements : en fr
  • FR768270A - Controlled overload circuit breaker : en fr
  • USD92907S - Design for a spoon or other article : en
  • CH170731A - Tools for brushing teeth. : en fr
  • CH170785A - Device on notebooks, writing pads, etc., which enables the storage and use of paper or fabric webs which are provided with layers sensitive to external influences and from which panels of any format can be separated. : de en
  • CH170730A - Storage device for food, spices, etc. : de en
  • FR768019A - Suspension for motor vehicles and others : en fr
  • GB414208A - Trigger mechanism for automatic firearms : en
  • FR768083A - Diving suit with portable air reserve : en fr
  • DE600879C - Process for the production of plaster of paris for dressing purposes : de en
  • DE600958C - Anti-skid device for motor vehicles : de en
  • DE600954C - Device for adhering photographic films to paper or similar tabs : de en
  • CA343496A - Scraping and cleaning implement : en fr
  • US1968481A - Draft and buffing gear : en
  • USD92881S - Design fob a bubial vault : en
  • GB414246A - Improvements relating to electric boiling or hot plates : en
  • FR768224A - Oil vapor burner : en fr
  • FR768272A - : fr
  • DE600928C - Setting device for switches, signals or the like in connection with a triggerable energy store : de en
  • FR768228A - Improvements to devices, sensitive to variations in viscosity of a fluid, in fluid circulation systems : en fr
  • FR768002A - New two-stroke variable-chamber diesel rotary engine : en fr
  • FR768276A - Automatic firearm : en fr
  • FR768380A - Vehicle wheel rim : en fr
  • SU37677A1 - A device for dyeing yarn with skeins : en ru
  • SU37720A1 - Composition for etching forms for flat printing : en ru
  • DK49068C - Procedure for the Preparation of a Preparation for the Prevention or Treatment of Dental or Jaw Disorders. : da en
  • GB414349A - Improvements in motor compressors with free pistons : en
  • GB414348A - Improved manufacture of phosphoric acid : en
  • SU37794A1 - Device for heating isothermally compressed air : en ru
  • SU37893A1 - Summing mechanism for heat meters, steam meters and similar devices : en ru
  • US1968346A - Method of producing an unsymmetrical alternating voltage : en
  • ES2777U - A stain remover (Machine-translation by Google Translate, not legally binding) : en es
  • US1968173A - Spraying device : en
  • DE600388C - Hydraulic braking device with a pressure cylinder : de en
  • CH170775A - Fibrous plate. : de en
  • DE598936C - Door suspension by means of fish straps provided with closing and braking springs : de en
  • FR768135A - Machine for finishing the neck of carboys, stagnants and other glass containers : en fr
  • USD92908S - Design fob a bag frame : en
  • US1968299A - Front end construction : en
  • US1968283A - Collar stretching and ironing device : en
  • US1968583A - Vehicle brake : en
  • ES134551A1 - A process for laminating glass ribbons in a multi-roll mill. : en es
  • US1968146A - Machine for shaping shoe uppers : en
  • DE600844C - Brake pump, especially for motor vehicles : de en
  • ES133885A1 - Procedure to produce the movement of steam engines, fixed or mobile, suppressing water and coal. : en es
  • FR768105A - Snap-action coupling and freewheel device for all uses : en fr
  • GB414241A - Improvements in or relating to universal joints : en
  • AU1588534A - Improvements in incubators : en
  • ES2778U - Compresses natural or synthetic silt, peat, mud or schlamm. (Machine-translation by Google Translate, not legally binding) : en es
  • FR768080A - Chevron slab for paving and coverings : en fr
  • FR768138A - Mixed gasifier (heavy oil and carbon), for all internal combustion engines : en fr
  • FR768259A - Electric delayed action primer for mine cartridges : en fr
  • FR768386A - Prepayment device intended for playing boules in a limited space : en fr
  • GB414688A - Improvements in electric motors : en
  • DE600840C - Apparatus for collecting radio fees : de en
  • FR768372A - High strength brasses and their manufacturing process : en fr
  • US1968105A - Amplifier system : en
  • US1968634A - Control system : en
  • US1968012A - Footwear : en
  • US1968093A - Corrosion prevention : en
  • US1968541A - Poison powder distributor : en
  • USD92895S - Design fob a back bab base : en
  • US1968282A - Suction fishing tool : en
  • US1968474A - Skein-handling machine : en
  • DE600990C - Process for the direct and objective determination of the hardness of X-rays defined by the concept of the half-value layer by optical means : de en
  • DK49070C - Device for Spirals for Placement in Flow Tubes for Air or Dusty Media for Generating a Screwed Flow. : da en
  • SU37732A1 - Method and device for regulating the operation of the siphon : en ru
  • FR768213A - Dough winder : en fr
  • GB414194A - Improvements in stamp afflxing machines : en
  • CH170766A - Process for the preparation of a substantive azo dye. : de en
  • SU37771A1 - Electric lamp : en ru
  • US1968208A - Hydrogenation of organic substances : en
  • ES134515A1 - Improvements in devices for the control and regulation of liquid level inside submersion hoods. : en es
  • FR768133A - Convenient folding seat device for motor cars intended for large weddings : en fr
  • CA343559A - Porous gypsum product : en fr
  • SU37975A1 - Oven for smoked fish, meat, etc. : en ru
  • FR768400A - Glass composition for mosaic and artificial stone : en fr
  • USD92892S - Design for a water cooler : en
  • CH170891A - Advertisement seal. : de en
  • US1968081A - Mercury switch : en
  • US1968440A - Lacquer and method of preparing the same : en
  • SU37751A1 - The method of obtaining the traveling wave in the feeder at two frequencies : en ru
  • SU37963A1 - Milling machine for machining aircraft propellers : en ru
  • SU38062A1 - The device for casting the brittle in the form : en ru
  • AU1369133A - Improved method of and apparatus for aerating yeast andother plastic substances : en
  • US1968050A - Heat transfer and refrigeration : en
  • US1968767A - Web cartridge belt : en
  • US1968777A - Bottle blowing machine : en
  • SU38032A1 - A device for light effects : en ru
  • US1968130A - Clutch : en
  • US1968236A - Wave motor device : en
  • SU38038A1 - A device for cutting clay pipes and the like when they are molded : en ru
  • US1968149A - Phonograph pick-up mechanism : en
  • US1968322A - Punch : en
  • US1968567A - Fountain pen : en
  • CH170701A - Mechanical seed drill. : en fr
  • CH170837A - Fuel valve for internal combustion engines working with ignition and propellant fuel. : de en
  • ES2025Y - One double roll for demonstration of road graphics : en es
  • SU37657A1 - Automatic reversing tool feeder : en ru
  • SU37688A1 - The method of obtaining briquettes : en ru
  • CA343500A - Sash : en fr
  • SU37691A1 - A device for forming filter tablets from glass powder : en ru
  • US1968789A - Draft rigging : en
  • SU37877A1 - Automatic Scales : en ru
  • US1968183A - Multilayer frozen comestible product : en
  • CA343627A - Golf club : en fr
  • CH170873A - Arched footplate serving as a shoe insert. : de en
  • US1968220A - Butt welded joint for sheet pilings : en
  • US1968123A - Calculating machine : en
  • CA343645A - Rotary pump : en fr
  • CH170857A - Device for coupling an alternating current network of a given frequency with an alternating current network of lower frequency. : de en
  • US1968571A - Electric current rectifier : en
  • CA343518A - Hydraulic apparatus : en fr
  • FR768379A - Smoke extractor : en fr
  • SU37687A1 - Device for dry distillation of birch bark : en ru
  • CA343529A - Flushing device for sinks : en fr
  • CA343485A - Ledger sheet : en fr
  • CH170726A - Seating for halls. : de en
  • US1968077A - Lamp connection : en
  • SU37772A1 - Device for protecting the walls of flasks of gas and vapor-light lamps from sputtering electrode material : en ru
  • US1968766A - Fluid siphon for oil wells : en
  • SU37716A1 - Typewriter for typing text in typographic font : en ru
  • SU37741A1 - Locomotive : en ru
  • US1968065A - Garment hanger : en
  • US1968586A - Vehicle brake : en
  • CA343589A - Therapeutic agent : en fr
  • US1968297A - Automatic blow-out preventer : en
  • US1968691A - Manufacture of concrete and apparatus for use therewith : en
  • CA343655A - Fish basket : en fr
  • BE403913A - : en
  • CA343619A - Tuning mechanism : en fr
  • CH170898A - Tube. : de en
  • CH170824A - Method of creating a bearing surface with a low coefficient of friction. : de en
  • US1968657A - Dishwashing machine : en
  • CA343478A - Shirt collar : en fr
  • CH170729A - Device for dispensing liquid soap, with a tiltable soap container. : de en
  • CH170777A - Process for the production of nickel anodes for nickel-plating technology and related purposes. : de en
  • SU37826A1 - Gripping device : en ru
  • CA343495A - Transfer sheet : en fr
  • CA343562A - Drill bit : en fr
  • CA343563A - Carboxylic acid : en fr
  • DE600750C - Method for determining the direction of a sound source : de en
  • DE600855C - Switchable device for static and isodromic control for power machines : de en
  • DK49059C - Single-acting, slot-controlled Two-stroke combustion engine. : da en
  • FR768189A - Felt filter for fumes, dust, arcines, combat gases or others : en fr
  • CA343508A - Sales book : en fr
  • GB414257A - Device for taking multicoloured photographic pictures : en
  • FR768152A - Knee joint for artificial leg : en fr
  • CH170848A - Method and device for isolating power supplies from control currents of non-network frequency in remote control systems. : de en
  • SU37967A1 - A drop-holding device with a wedge clamp for friction hammers : en ru
  • US1968576A - Control apparatus for alternating current circuits : en
  • US1968071A - Material handling device : en
  • CH170752A - Insole. : de en
  • DE600727C - Process for the production of mineral-tanned leather : de en
  • FR768325A - Control principle, for screen lamps intended for producing fixed or animated figures or luminous signs, or for any other use : en fr
  • SU37849A1 - Method for producing metallic barium : en ru
  • CA343642A - Railway yard supply valve : en fr
  • CH170931A - Process for the preparation of a monoazo dye. : de en
  • CH170818A - Cutting disc. : en fr
  • SU37766A1 - Actuator for a mechanism that develops the image of curves along a line in a recording instrument : en ru
  • SU37804A1 - Double acting piston pump : en ru
  • SU38036A1 - Device for inserting a swirling mouthpiece in a cigarette tube : en ru
  • SU38055A1 - Device for driving the stitches on lower-weaving looms : en ru
  • SU37994A1 - Hydraulic rod pump for deep wells or boreholes : en ru
  • US1968302A - Control mechanism : en
  • SU37887A1 - A device for obtaining variable stereoscopic images : en ru
  • US1968487A - Paper bag : en
  • US1968131A - Liquid separating device : en
  • SU37936A1 - Cotton banding machine : en ru
  • US1968308A - Air service reel device : en
  • US1968577A - Automatic steering device for barges and like vessels : en
  • DE600669C - Box lock with an ornamental housing that is independent of the lock case : de en
  • DE600896C - Shoe clamping device : de en
  • US1968353A - Match book : en
  • US1968679A - Rotary cylinder structure : en
  • US1968718A - Watch movement frame fastening means : en
  • US1968473A - Internal combustion engine : en
  • US1968599A - Manufacture of chromium oxide : en
  • CA343550A - Packaging machine : en fr
  • SU37829A1 - Radiator tube element : en ru
  • SU37920A1 - Potato Planter : en ru
  • US1968055A - Drill : en
  • US1968225A - Spark plug : en
  • US1968509A - Therapeutic apparatus : en
  • DE600999C - Method and device for the preservation, in particular of powdery, fine-grained or fine-pored food and luxury goods in closed containers : de en
  • FR768226A - Gravel spreader for road maintenance : en fr
  • SU37855A1 - Profile Ruler : en ru
  • US1968027A - Graining tool : en
  • US1968096A - Roof truss : en
  • US1968376A - Front end construction for rock drills : en
  • DE600819C - Cleaning device for disk roller grates : de en
  • US1968342A - Illuminated mirror : en
  • AU2683863A - Semiconductor devices and method of making same : en
  • USD92924S - Design for a shoe : en
  • DE600914C - Aufprotzleiter, especially for fire engines : de en
  • GB414671A - Improvements in means for preventing or curing sickness particularly sea-sickness : en
  • CH170929A - Process for the preparation of an azo dye. : de en
  • FR768090A - Process for the treatment of acid tars from the purification of benzol or other liquid hydrocarbons, for the recovery of acidic, resinous and other bodies : en fr
  • CA343534A - Aviator training and testing device : en fr
  • DE600795C - Optical equipment to make a projector for black and white film suitable for the projection of lenticular films : de en
  • GB414394A - Improvements in the production or treatment of shaped articles of cellulose derivatives or other film-forming bases : en
  • GB414354A - Improvements in and relating to tuning and indicating devices for radio receivers and like high-frequency apparatus : en
  • GB414337A - Improvements in dry cleaning apparatus : en
  • FR768341A - Removable hopper : en fr
  • GB414231A - Improvements in the distillation of immiscible liquids : en
  • FR768070A - Method and device for drawing off very perishable fruit juices, unfermented musts, etc. : en fr
  • US1968210A - Brake for winding drums : en
  • AU1355433A - An improved apparatus for use in gas analysis : en
  • DE600318C - Process for etching printing plates which are covered with a developed copy layer : de en
  • GB414721A - Improvements in apparatus for automatically indicating and controlling or regulatingthe humidity or degree of moisture in the atmosphere of rooms or enclosed spaces : en
  • DE600787C - Method and device for cooling ground material in a cooling chamber which is connected between the grinding chambers of a comminuting device : de en
  • DE600967C - Storm lantern with a bell plate : de en
  • US1968240A - Braiding machine : en
  • DE600719C - Arrangement for obtaining emanation according to : de en
  • GB414359A - Improvements in or relating to means of correcting distortion of electric signals byamplifiers : en
  • SU37652A1 - Electrodynamic separator for the enrichment of ores : en ru
  • US1968768A - Camera attachment for making movable photographs : en
  • USD92901S - Design for a bottle : en
  • DE600755C - Induction relay : de en
  • DE600884C - Centrifuge vessel with collecting attachment : de en
  • SU37776A1 - AC electric furnace for smelting predominantly low-melting metals : en ru
  • SU37811A1 - Device for holding the lamp in the mouth for medical purposes : en ru
  • SU37818A1 - The mechanism of automatic finishing forms in glass-making machines of the conveyor system : en ru
  • US1968100A - Typewriting machine : en
  • ES2796U - Additional piece of removes and put for siphons containing carbonated water or other sparkling liquids. (Machine-translation by Google Translate, not legally binding) : en es
  • GB414147A - Improvements in electric time fuses for use in blasting : en
  • US1968389A - Sheet leveler : en
  • US1968538A - Tool carrier for multiple spindle screw machines : en
  • US1968737A - Process for the separation of magnesium chloride from calcium chloride : en
  • ES134445A3 - A machine for dynamically balancing the rotating elements of various kinds of apparatus. : en es
  • FR768112A - Bearings or sliding bearings with spherically shaped sliding surfaces, suitable for installation in machines of all kinds : en fr
  • FR768182A - Improvements to hydraulic shock absorbers : en fr
  • GB414294A - Improvements in cementing machines : en
  • FR768282A - Dyeing of vegetable fibers : en fr
  • FR768143A - Friction clutches improvements : en fr
  • US1968701A - Brake equipment for automotive vehicles : en
  • DE600838C - Magazine speaking machine : de en
  • DE600986C - Compressed air braking device : de en
  • DK49073C - Electrical Switch with Arc Extinguishing Medium. : da en
  • FR768151A - Wire feed device for wire working machines, multi-wire : en fr
  • US1968300A - Method of manufacturing aromatic carboxylic acids : en
  • GB414672A - Improvements relating to the manufacture of fuel briquettes from carbonaceous material : en
  • GB414283A - Improvements in or relating to moulds for chocolate-casting machines : en
  • FR768241A - Suspension clip for slabs : en fr
  • GB414274A - Improvements in charging and discharging devices for furnaces : en
  • DE600739C - Smoking device : de en
  • ES134538A1 - Improvements in the machines to make current and emboquillados cigarettes. : en es
  • FR768180A - Valve device for liquid flushers : en fr
  • US1968590A - Brake : en
  • CH170838A - Artificial ice rink. : de en
  • SU37947A1 - A device for measuring certain quantities of fuel and feeding it to the carburetors of internal combustion engines : en ru
  • SU38004A1 - A device for moving ships along rivers and canals using a towing cable driven by a fixed installation : en ru
  • US1968231A - Lubricating apparatus : en
  • US1968688A - Loop cutter for embroidered materials : en
  • US1968774A - Apparatus for molding lithic : en
  • FR768117A - Device for fixing the rods of tilting chair seats for performance halls or other applications : en fr
  • FR768131A - Closed circuit hydraulic transmission : en fr
  • FR768253A - Advanced cooling of air-cooled aircraft engines. : en fr
  • ES134330A1 - An improvement in the construction procedures of raincoats. : en es
  • GB414324A - Improvements in supplementary instruments for examining suspended drops by means of the usual microscopes : en
  • FR768015A - Process for preparing gelatins for photochemical operations : en fr
  • FR768216A - Introduction of air and other gases into the water around a floating container : en fr
  • GB414112A - Improvements relating to electric carbon pile resistances : en
  • GB414243A - Safety device for protecting against theft for motor vehicles and aircraft : en
  • GB414333A - Improvements in pump stop mechanism for typographical line casting machines : en
  • GB414371A - Improvements in bearings particularly for cyeles : en
  • DE600994C - Electrically heated wired glass to remove moisture deposits, especially for shop windows and means of transport : de en
  • US1968052A - Low thermal conductivity building unit and method of making the same : en
  • US1968101A - Thread package or spool : en
  • US1968230A - Instrumentality for the treatment of piles : en
  • US1968214A - Manifold air heater for automobiles : en
  • DE600850C - Filler pencil : de en
  • ES2792U - Folding box or container with lids that serve as a closure. (Machine-translation by Google Translate, not legally binding) : en es
  • CA343660A - Combined shade and guide map : en fr
  • CH170930A - Process for the preparation of a water-soluble azo dye. : de en
  • FR768374A - Combination game : en fr
  • CA343505A - Log sawing machine : en fr
  • GB414258A - Improvements in or connected with gardening frames for seeds, plants and the like : en
  • GB414415A - Manufacture of derivatives of 1-nitro-anthraquinone-6-carboxylic acid : en
  • FR768055A - New ortho-aminoazo compounds and their preparation process : en fr
  • GB414176A - Improvements in or connected with hydro-carbon vapour lamps or burners : en
  • GB414182A - Improvements in electrostatic precipitating plant : en
  • CH170712A - Room radiator. : de en
  • US1968056A - Translating device : en
  • DE600772C - Process for the production of low carbon metals : de en
  • FR768017A - Unwavering wave device : en fr
  • GB414152A - Improvements in closures for collapsible tubes and other containers : en
  • GB414230A - Manufacture of poly-halogen derivatives of pyrene and of pyrene quninones : en
  • FR768230A - Double-seat for water closet, usable for both children and adults : en fr
  • GB414339A - Improvements in or relating to household refrigerators : en
  • FR768118A - fuel saver for internal combustion engines : en fr
  • DE592047C - Glass fiber insulating material : de en
  • FR768286A - Tap with number combination for fuel lines etc. : en fr
  • GB414149A - Improved table-stand or tray : en
  • SU37819A1 - Drum for rolling glass in glassblowing machines of conveyor type : en ru
  • FR768040A - Improvements to pipe joints and methods for establishing said joints : en fr
  • FR768395A - Improvement in x-ray tubes. : en fr
  • GB414321A - Improvements in or relating to devices for obtaining samples of materials from vessels : en
  • GB414266A - Improvements in or relating to circuit arrangements for the selective reception and/or amplification of electrical oscillations : en
  • DE600880C - Folding and shaping wooden heels : de en
  • DE600926C - Rail fastening on iron trough cross sleepers : de en
  • US1968029A - Automatic control for controllable pitch propellers : en
  • FR768267A - Balanced lid with quick automatic opening : en fr
  • GB414340A - Improvements in or relating to leading-in insulators : en
  • US1968558A - Dictating machine : en
  • GB414222A - Improvements in telephone systems : en
  • CH170757A - Process for the production of a non-bitter flour from soybeans. : de en
  • US1968752A - Detergent composition : en
  • FR768107A - Improvements to dust extraction devices : en fr
  • FR768345A - Improvements to starting devices for asynchronous motors : en fr
  • GB414674A - Improvements in or relating to the control of atmospheric temperature produced by steam heating systems : en
  • CA343614A - Oscillation generating apparatus : en fr
  • CA343634A - Repeatedly ignitable match : en fr
  • SU37834A1 - Precast reinforced concrete frame for buildings : en ru
  • US1968201A - Calculating machine : en
  • SU37817A1 - Method of releasing metal ingots from molds : en ru
  • US1968361A - Night light transformer : en
  • US1968562A - Female pipe coupling member : en
  • SU37951A1 - Expansion device for piston rings : en ru
  • US1968184A - Air conditioner : en
  • US1968409A - Apparel : en
  • US1968421A - Valved coupling : en
  • US1968635A - Freewheeling transmission mechanism : en
  • SU37752A1 - The method of pressing electrical insulation products from plastics : en ru
  • SU38045A1 - Container for tobacco : en ru
  • BE403721A - Liquid coatings refinements : en fr
  • US1968475A - Cosmetic composition : en
  • CA343479A - Bottle carrier : en fr
  • DE600845C - Device on bicycles with change gears for tensioning and releasing the drive chain while driving : de en
  • SU37821A1 - Transforming chair : en ru
  • US1968067A - Alloy and method of making same : en
  • USD92894S - Design for a back bab super : en
  • SU37784A1 - Method of preparation of putty : en ru
  • SU38014A1 - Flick Heel Press Machine : en ru
  • US1968466A - Method of producing stable nitrocellulose : en
  • SU37985A1 - The method of obtaining asbestos paper and cardboard from 100% lower (V and VI) asbestos grades : en ru
  • ES134546A1 - Manufacturing procedure for ampoules called thermos. : en es
  • BE403827A - : en fr
  • CH170744A - Rotating washing drum with perforated walls for washing machines. : de en
  • DE600905C - Two-axle railcar with internal combustion engine : de en
  • FR768102A - Quick locking device, with automatic centering, of any part or component on their shaft : en fr
  • GB414120A - Improvements in impulse sending mechanisms for automatic telephone exchange systems and the like : en
  • US1968203A - Shutter means for gas burners : en
  • US1968255A - Roll grinding machine : en
  • US1968401A - Clasp for scarfs, neckties, and the like : en
  • AU1649134A - Improved method of manufacturing wire bodies for electric discharge tubes or incandescent lamps : en
  • CA343499A - Piston : en fr
  • FR768172A - Improvements to small compressors : en fr
  • CA343489A - Finely divided metal compound : en fr
  • CA343578A - Vinyl derivative polymerization : en fr
  • DE1308168U - : de en
  • GB414242A - Waterproofing fabrics with addition of aluminium dust : en
  • DE600786C - Elevator device for gradually swiveling up the cutting mechanism of mowing machines : de en
  • DE600815C - Dust collector : de en
  • ES2250Y - Grid applicable to machines for the preparation of the filament of textile fibers. : en es
  • FR768222A - Production of uniform sheets of fibrous pulp : en fr
  • GB414233A - Rubber hose : en
  • SU38023A1 - Card machine : en ru
  • DE600706C - Process for the preparation of aromatic compounds fluorinated in the core : de en
  • US1968271A - Locker : en
  • US1968472A - Knife sharpening device : en
  • US1968458A - Radio communication system : en
  • CA343569A - Cellulose derivative article production : en fr
  • FR768141A - Connection by hollow rivets, in particular for aircraft with hollow rivets open at both ends : en fr
  • FR768142A - Process for the preparation of alkylated derivatives of ammonia : en fr
  • GB414285A - Pigment purification : en
  • GB414164A - Improvements in or relating to apparatus for the photographic reproduction of drawings and the like : en
  • DE594932C - Guide and transport device for frames on shoe sewing machines : de en
  • DE600718C - Arrangement for obtaining emanation : de en
  • DE600951C - Thread brake on shuttles, especially those for shuttle embroidery machines : de en
  • US1968026A - Traverse drive for spinning machines : en
  • US1968120A - Patient position supporting attachment for hospital beds : en
  • FR768037A - Process for the preservation of corpses : en fr
  • FR768385A - Simple device developing a considerable force, usable as a hub puller and other similar uses : en fr
  • SU37655A1 - Fixture for fixing ball split glasses for lanterns : en ru
  • US1968613A - Antirattle dovetail for doors : en
  • FR768061A - Device for disengaging, engaging or reversing the feed in vertical reciprocating saws : en fr
  • CH170732A - Method of making painter's brushes and paint brushes. : de en
  • CH170770A - Process for the manufacture of a colored product that can be used as a shoe polish and floor polish. : de en
  • FR768349A - Improvements to vehicle covers : en fr
  • US1968332A - Combined cigarette case and lighter : en
  • DE600817C - Device for producing foam for fire extinguishing purposes : de en
  • DE600989C - Toggle switch : de en
  • FR768183A - Process and installation for the manufacture of strips of wood pulp for the manufacture of insulating boards in wood fiber : en fr
  • FR768005A - Lids for boxes and containers of all kinds, in particular for tins : en fr
  • FR768327A - Improvements to compressors or diaphragm pumps : en fr
  • GB414166A - Improvements in or relating to apparatus for the production and supply of gaseous atmospheres for use in the heat treatment of metals : en
  • IE13273L - Invalid beds : en
  • GB414155A - Improvements in covers and frames for manholes and other openings in roadways and pavements : en
  • CA343502A - Liquid fuel burner : en fr
  • SU38013A1 - Branched Pipeline Switchgear : en ru
  • SU38033A1 - Attraction device : en ru
  • US1968021A - Blade frame and blade assembly for slicing machines : en
  • US1968190A - Wrapping machine : en
  • FR768240A - Rail fastening, especially for bends and rail joint assemblies : en fr
  • GB414271A - Improvements in or relating to engine or machine beds or frames : en
  • DE600902C - Impeller for impeller turbines with rotating blades : de en
  • GB414137A - Improvements in or relating to apparatus for grilling, toasting and/or like cooking operations : en
  • GB414304A - Improvements in or relating to the casting of metal articles : en
  • DK49056C - Disc stamping machine. : da en
  • SU37660A1 - Long stroke pumping unit for well operation : en ru
  • FR768092A - Cathodic oscillograph, especially for television : en fr
  • DE600897C - Aiming device, especially for anti-aircraft weapons : de en
  • ES134070A1 - A new recess-weight system recessed. : en es
  • DE600913C - Lubricating press with low pressure piston and connected high pressure cylinder : de en
  • CA343611A - Vacuum tube detector : en fr
  • SU37825A1 - A device similar to a crane on a column with a suspended crossbar and with a counterweight : en ru
  • US1968781A - Automatic grain shocker : en
  • US1968573A - Fifth wheel construction : en
  • US1968673A - Storage tank : en
  • SU37722A1 - Thermal insulation wall for refrigerated cabinets or cars : en ru
  • SU37748A1 - Two way antenna : en ru
  • US1968483A - Plating aluminium and its alloys : en
  • ES134514A1 - PROCEDURE FOR OBTAINING ARTIFICIAL MASSES OF RUBBER AND VEGETABLE OR ANIMAL FIBERS : en es
  • CH170705A - No threshold door. : de en
  • CH170829A - Grease gun. : en fr
  • DE600908C - Indirect control for electric vehicles with the help of an automatically controlled shift drum : de en
  • GB414302A - Improvements in coin-freed vending apparatus : en
  • GB414148A - Improvements in the manufacture and production of aldehydes of high molecular weight : en
  • DE600765C - Brush with stepped longitudinal grooves intended to accommodate the bristle feet in the brush wood : de en
  • DK49067C - Foldable Insert for Cardboard Bottle Boxes. : da en
  • FR768056A - Air rifle : en fr
  • US1968465A - Circuit breaking receptacle : en
  • DE600794C - Enlarger : de en
  • DE600876C - Brush holder for electrical machines in which the brush is pressed sideways against its guide : de en
  • FR768316A - Safety device for gas pressure reducing devices : en fr
  • FR768249A - Ultra-short wave transmitter device : en fr
  • FR768351A - Improvements to the hydrocarbon hydrogenation process : en fr
  • CH170750A - Shoe with rubber sole, as well as method and device for the production of this shoe. : de en
  • GB414268A - Improved apparatus for use in teaching physical geography and the like : en
  • DE587765C - Drying tobacco or the like : de en
  • SU37787A1 - Method for the preparation of fats with a specific melting point and texture : en ru
  • US1968059A - Adjustable stop device : en
  • US1968581A - Combined fluid fuel burning heater and incinerator : en
  • US1968770A - Feed-back oscillator using ionizing tube : en
  • DE600952C - Frame for displaying flat bottles : de en
  • GB414335A - Improvements relating to paving slabs, garden ornaments and like structures : en
  • FR768158A - Production of new oxazine series dyes : en fr
  • DE600995C - Holder for flower boxes : de en
  • SU37754A1 - Machine for winding wire ends with insulating threads : en ru
  • SU37918A1 - Plow attachment for loosening the formation : en ru
  • US1968408A - Lawn mower : en
  • USD92931S - Design fob a hinge for cabinet doors : en
  • US1968579A - Hand luggage case : en
  • US1968556A - Compass : en
  • DE600957C - Motor vehicle consisting of a main car with steerable guide wheels and a z. T. is supported on the main car front car, the guide wheels are steered by the driver : de en
  • US1968710A - Toy boat or the like : en
  • US1968313A - Automatic train pipe connecter : en
  • US1968140A - Plastic wax board liner : en
  • DE600865C - Carburetor burner : de en
  • DE600793C - Advertising device that can be rotated by the wind : de en
  • SU37823A1 - Cool board : en ru
  • DE600834C - Reversing gear for dry valve gas meter : de en
  • FR768185A - Acoustic detector : en fr
  • CH170821A - Process for the production of a protective coating for inscriptions, plans, maps, drawings and the like. : de en
  • CA343623A - Dyeing machine reel operating mechanism : en fr
  • SU37999A1 - Gas mask fitting for easier breathing : en ru
  • US1968089A - Method of sweetening hydrocarbon distillates : en
  • US1968625A - Marked material and method for its manufacture : en
  • SU37883A1 - Photo phonograph : en ru
  • US1968247A - Metallic window construction : en
  • US1968306A - Garment hanger forming machine : en
  • US1968312A - Air cleaner and silencer : en
  • USD92918S - Design fob a golf tee : en
  • DE600729C - Top mattress : de en
  • US1968594A - Grave vault fastening mechanism : en
  • US1968367A - Fuel gas distributing system for coke ovens : en
  • USD92879S - Design for a seal fastener for sheet : en
  • USD92919S - Design fob a shoe : en
  • CH170721A - Electric thermostat switching device on oil firing systems. : de en
  • USD92883S - Design for an airplane : en
  • CH170868A - Electric lighting device and method for its manufacture. : en fr
  • US1968750A - Radio receiving system : en
  • CA343593A - Valve grinding tool : en fr
  • CH170827A - Rooster. : de en
  • US1968629A - Automatic reclosing circuit breaker system : en
  • US1968439A - Gearing : en
  • CA343576A - Coat belt : en fr
  • CH170718A - Fittings for shutters and the like. : de en
  • SU37806A1 - The method of growing flax and hemp : en ru
  • US1968385A - Relay control system : en
  • CH170812A - Automatic turning machine. : en fr
  • SU37851A1 - Copying device : en ru
  • SU37895A1 - McMend type micromanometer : en ru
  • FR768108A - Improvements to mine props : en fr
  • BE403443R - Improvement in valve distributions for pressurized fluid engines : en fr
  • CH170843A - Terminal for measuring device connection with device for uninterrupted connection of control equipment. : de en
  • AU1536033A - Improvements in or relating tothe manufacture of deposited rubber articles : en
  • CH170782A - Method of manufacturing a printing plate with a metal base. : en fr
  • CH170947A - Automatic play adjustment device for vehicle brake linkage. : en fr
  • FR768358A - Method and apparatus for drying liquid and solid materials at low temperature : en fr
  • GB414405A - Improvements in apparatus for regulating the dampers of stoves or furnaces : en
  • US1968418A - Manufacture of fiber products : en
  • DE542157C - Manufacture of silicon compounds containing active oxygen : de en
  • GB414111A - Improvements in or relating to electro-magnetic regulating apparatus : en
  • GB414223A - Improvements in adjustable racks or partitions : en
  • SU37673A1 - Pipe flaring : en ru
  • DE600846C - Machine installation with fluid transmission gears or fluid couplings in connection with pumps for the operations of the coupling fluid, especially for ships : de en
  • DE600889C - Method and device for inserting a tear thread into envelopes : de en
  • CH170807A - Waterproof device for winding and setting the time. : en fr
  • USRE19260E - Air filter for heating and ventilating units : en
  • US1968195A - Congealing solution : en
  • CA343641A - Printing press : en fr
  • SU37903A1 - Method for quantitative analysis of brass and other zinc containing alloys : en ru
  • US1968311A - Treatment of coke : en
  • US1968212A - Unitary manifolding packet : en
  • US1968094A - Microscope : en
  • ES2789U - A sealing device for liquid containers (Machine-translation by Google Translate, not legally binding) : en es
  • US1968447A - Underground conduit : en
  • US1968756A - Portfolio lock : en
  • USD92897S - Design fob a navigating bridge ob : en
  • BE403596A - : en fr
  • FR768281A - Combined ignition and steering lock : en fr
  • GB414115A - Improvements in and relating to electrical contacts : en
  • CH170893A - Clip-on label with a protective flap to be placed around the edge of the goods. : de en
  • CH170772A - Anti-rust paint. : de en
  • SU37747A1 - The method of starting a self-exciting lamp transmitter : en ru
  • AU1355833A - Improvements in or relating tothe manufacture of bituminous paving mixtures : en
  • SU37756A1 - Device for connecting electric drives : en ru
  • SU37810A1 - Reinforcement bath reinforcement method : en ru
  • CH170937A - Ski binding. : de en
  • DE600893C - Control and stabilization surface arranged above the wing of the aircraft : de en
  • DE600907C - Multi-engine drive for electric vehicles : de en
  • DK49077C - Buckle for Waving Hair. : da en
  • US1968227A - Aircraft : en
  • US1968785A - Shoe holding device for bootblack stands : en
  • US1968369A - Lamt attaching clamp : en
  • US1968448A - Sound measuring system : en
  • US1968568A - Electric switch : en
  • FR768373A - Improvements to acoustic devices : en fr
  • CH170825A - Device for hanging pipes. : de en
  • CA343537A - Exerciser device : en fr
  • US1968127A - Bomb sight : en
  • US1968534A - Apparatus for use in locating points of maximum or minimum temperatures : en
  • CH170840A - Clamp for carbon brushes. : de en
  • US1968270A - Container : en
  • US1968499A - Control mechanism for coin-operated phonograph-radio combination : en
  • US1968619A - Electrical switch gear : en
  • USD92884S - Design fob a housing for a permanent : en
  • US1968435A - Testing circuit : en
  • SU37746A1 - Generator device : en ru
  • US1968416A - Car support for automobile hoists : en
  • FR768236A - Receiver of t. s. f. with a loop antenna : en fr
  • SU37885A1 - Device for cleaning gramophone records : en ru
  • US1968045A - Building construction : en
  • US1968694A - Motor and pump : en
  • US1968773A - Permanent waving apparatus : en
  • GB414275A - Improvements in and relating to packages : en
  • US1968437A - Art of stiffening : en
  • US1968615A - Furnace wall : en
  • USD92905S - Design fob a mechanical pencil : en
  • US1968294A - Guard rail : en
  • US1968335A - Radio receiving apparatus : en
  • CH170793A - Ski pole. : de en
  • FR768029A - General cinematographic shooting technique : en fr
  • FR768375A - Method and device for intermittent absorption refrigeration : en fr
  • GB414269A - Improved means for supplying steam to internal combustion engines : en
  • SU37765A1 - Device for automatic control of the operation of installations according to a predetermined schedule : en ru
  • SU38056A1 - Vertical wind engine with rotating cylinders : en ru
  • US1968479A - Work feeding mechanism : en
  • GB414390A - Improvements in or relating to pistons : en
  • FR768086A - Device for disinfecting and cleaning the mouths of telephone and similar apparatus : en fr
  • US1968646A - Internal combustion engine : en
  • DE599703C - Fishing rod with several pieces of pipe that can be attached to one another and plugged into one another : de en
  • US1968736A - Grounding set : en
  • GB414171A - Improvements in or relating to gramophone and like sound disc-records : en
  • CH170806A - Watch box. : en fr
  • DE600813C - Process for the production of artificial threads from viscose solutions : de en
  • GB414247A - Washing machine cylinder : en
  • GB414307A - Improvements in and relating to hygienic garments and process of manufacturing same : en
  • FR768051A - Plastic material and manufacturing processes of this rubber : en fr
  • FR768266A - Luminescent tube signaling devices for use in aviation : en fr
  • DE600744C - Covering device on copiers : de en
  • DE600842C - Electric starter with a friction gear for internal combustion engines : de en
  • SU37679A1 - Hollow hall for jiggers : en ru
  • AU1353833A - An improved source of illumination : en
  • DE600969C - Ring or frame-shaped seal made of elastic material, especially dust seal for rail vehicles : de en
  • GB414156A - Improvements in gas and other meters : en
  • US1968415A - Conveying mechanism for stitching machines and the like : en
  • US1968765A - Dental plate : en
  • US1968136A - Disinfecting : en
  • US1968735A - Spark plug : en
  • FR768301A - Rear trunk for motor cars : en fr
  • FR768077A - Improvements to electrical relay systems incorporating light sensitive devices : en fr
  • GB414144A - New or improved tilling attachment of the rotary tilling machine type : en
  • DE600827C - Soot blower for steam boiler : de en
  • US1968228A - Roof and method of laying same : en
  • CA343494A - Brake releasing mechanism : en fr
  • DE600911C - Device and circuit for arc welding with single-phase alternating current : de en
  • DE600970C - Incandescent cathode with a glow wire, which is guided through a quartz tube : de en
  • DE600858C - Two-thread delivery device for circular knitting machines : de en
  • GB414143A - Improvements in and relating to bookkeeping machines, particularly to paper-feeding means therefor : en
  • US1968132A - Weaving shuttle weft carrier for looms : en
  • US1968423A - Fuel pump : en
  • GB414217A - Improvements in and relating to the manufacture of cast metal pipes and like articles centrifugally : en
  • FR768317A - Advanced device for the construction of gas expansion devices : en fr
  • US1968277A - Stoker construction : en
  • USD92899S - Design for a card-game table top : en
  • DE600704C - Process for the extraction of lithium compounds from lithium-containing minerals : de en
  • SU37711A1 - Pneumatic hammer for steam boilers : en ru
  • SU37761A1 - Device for electrical automatic control of blast and charging mechanisms of blast furnace : en ru
  • SU37881A1 - The way to combat noise and increase the range of loudness of sounds recorded on a film in a transverse way : en ru
  • US1968383A - Sprayer : en
  • US1968121A - Toy vehicle : en
  • US1968304A - Ink remover : en
  • DE600933C - Process for the production of cable lines for electrical high voltage with cables pulled into pressure pipes : de en
  • GB414334A - Improvements relating to the manufacture of pressed yeast : en
  • US1968647A - Electric switch : en
  • SU37908A1 - A device for solving a system of linear equations. : en ru
  • US1968024A - Method of treating vegetable tanning agents or composition therefor : en
  • US1968061A - Knitted fabric and method of and apparatus for making the same : en
  • US1968454A - Tube compressor : en
  • US1968775A - Retort : en
  • SU37902A1 - Wear Tester : en ru
  • FR768157A - Chlorinated rubber manufacturing process : en fr
  • FR768394A - Method for making copies by reflectography : en fr
  • GB414325A - Improvements in or relating to automatic hammering or pounding-up machines for lasted shoes : en
  • US1968717A - Holder for street railway trans- : en
  • USD92891S - Design fob a slicing machine : en
  • GB414399A - Improvements in and relating to helicopter or rotative wing aircraft : en
  • CH170904A - Vehicle that can run on rails and roads. : en fr
  • SU37897A1 - Induction Barometer : en ru
  • US1968490A - Method of making pulverulent chromium : en
  • SU37876A1 - Automatic Scales : en ru
  • US1968601A - Preparation of olefine derivatives : en
  • US1968692A - Centrifugal machine : en
  • FR768008A - Device to prevent caterpillars, slugs, all climbing insects and in particular ants from climbing trees : en fr
  • FR768212A - Moderate multi-element brake : en fr
  • CA343552A - Metal coated sheet manufacture : en fr
  • SU37935A1 - Sort for potatoes : en ru
  • SU37998A1 - Fire Extinguishing Apparatus : en ru
  • US1968486A - Heating apparatus for indirectly : en
  • SU37894A1 - Optical device to the K Creme type Homer : en ru
  • US1968114A - Treatment of sewage and the like : en
  • DE600535C - Device for regulating the level of the barrier fluid in high-pressure station gas meters of wet design : de en
  • DE600901C - Coil sensor : de en
  • SU37960A1 - Threading device for variable pitch on lathes with conventional lead screw : en ru
  • SU37816A1 - Bonding material for coniferous lands : en ru
  • SU37972A1 - Pa lnik : en ru
  • AU1633334A - Improvements in and relating to prepayment meter mechanism : en
  • CA343598A - Tire cover : en fr
  • FR768196A - Electric lens applied to electronic phenomena : en fr
  • GB414299A - Improvements in or relating to pest destroying agents : en
  • CH170942A - Press for filling and against air admission and thus safe storage of fats and the like against contamination. : de en
  • DE600922C - Washing line reel : de en
  • US1968585A - Brake mechanism : en
  • SU37933A1 - Grain sorting machine, especially legumes : en ru
  • US1968357A - Hose and plant protector : en
  • US1968512A - Process for purifying liquids : en
  • US1968664A - Sharpener for slicing machines : en
  • US1968400A - Piston ring chuck : en
  • CA343511A - Artificial silk : en fr
  • US1968018A - Tobacco feed for making dense-end cigarettes : en
  • US1968516A - Bolt : en
  • US1968706A - Car coupler : en
  • DE600798C - Safety razor : de en
  • SU38012A1 - Shading device : en ru
  • US1968707A - Pipe wrench : en
  • US1968729A - Rotary motor : en
  • USD92914S - Design for a vending machine : en
  • US1968076A - Aeroplane wheel : en
  • SU37929A1 - Device for driving a mower cutter and the like : en ru
  • USD92874S - Design for a game device : en
  • GB414378A - Improvements in or relating to aircraft : en
  • DE600697C - Pressure regulator for hydraulic presses with direct pump drive : de en
  • FR768421A - : fr
  • US1968349A - Compact : en
  • GB414281A - Improvements in paper containers : en
  • DE600721C - Process for the production of sulfonic acids of the anthraquinone series : de en
  • GB414396A - Improvements in warp beaming machines : en
  • SU38057A1 - Stoneware for potato washers : en ru
  • US1968530A - Electric sweeper : en
  • CA343595A - Shield : en fr
  • CH170832A - Device for sealing the working chambers in rotary piston machines. : de en
  • DE600702C - Articulated handle holder for brooms or similar devices : de en
  • GB414393A - Improvements in and relating to the production of resinous condensation products : en
  • CA343481A - Sheet material dusting machine : en fr
  • US1968057A - Training and testing device for aviators : en
  • US1968467A - Valve for molding machines : en
  • DE600773C - Device for excitation of vibrations by means of tuning forks for single-frequency transmitters or the like. : de en
  • FR768383A - Improvements relating to signaling systems for railways or similar systems : en fr
  • CA343493A - Spool and bobbin : en fr
  • GB414216A - Improvements in and relating to advertising or display apparatus for use by day and night : en
  • GB414350A - Improvements in or relating to trolleys : en
  • SU37864A1 - Load for immersion in hydrometric instruments : en ru
  • US1968217A - Shingle : en
  • FR768113A - Improvements to electric discharge lamps : en fr
  • FR768330A - Transmission with irreversible elements preventing abnormal functioning of connected organs : en fr
  • FR768310A - New food product and process for its preparation : en fr
  • CA343483A - Settling tank : en fr
  • DE600759C - Photosensitive material containing diazo compounds and azo components : de en
  • SU37962A1 - Drive to lathe spindle : en ru
  • CH170831A - Continuously working press for grapes u. s. w. : de en
  • USD92916S - Design for a shoe : en
  • BE403787A - : en
  • DE600814C - Spring testing machine with a separate drive from the force measurement : de en
  • SU37743A1 - Device for receiving electrical code pulses : en ru
  • SU38051A1 - Water Disinfection Filter : en ru
  • US1968170A - Means for holding shoe uppers in lasted position : en
  • AU1296133A - Improvements in and relating to chicken incubators : en
  • US1968639A - Motor control system : en
  • CH170742A - Clothespin. : de en
  • CH170897A - Box for cigarettes, cigars, matches or the like. : en fr
  • SU37882A1 - Device for recording sound from a film : en ru
  • US1968798A - Means for securing floor boards and the like : en
  • GB414287A - Apparatus facilitating the reversing of trailer vehicles having two wheels : en
  • CA343504A - Steam valve : en fr
  • CA343588A - Folding chair : en fr
  • ES134564A1 - Auxiliary device for centrifugal pumps for the service of instant wells. : en es
  • FR768053A - Production of new azo dyes : en fr
  • US1968264A - Combined bottle capper and fruit press : en
  • CH170754A - Process for the production of yeast. : de en
  • CH170855A - Electric discharge tube. : de en
  • CH170874A - Device to prevent or put an end to heartache. : en fr
  • DE600743C - Device for closing a joint between two separable parts forming a container : de en
  • FR768377A - Improvements in the organization and construction of intermittent operation absorption refrigeration units : en fr
  • GB414209A - Nozzle gap supporting plane : en
  • BE403865A - : en fr
  • CH170747A - Device for lining up the connecting links of zippers. : de en
  • CH170820A - Device for continuously engraving dedications, ornaments, writings and the like on metal bodies. : de en
  • DE600595C - Drive for a lifting platform : de en
  • DE600751C - Tank for underwater sound receivers : de en
  • FR768217A - Tuna liver oil purification process : en fr
  • GB414113A - Improvements in or relating to the starting and control of internal combustion engines : en
  • ES134559A1 - Procedure of simultaneous manufacture of webs for boatas of materials of different qualities. : en es
  • GB414255A - Improvements in liquid fuel burners : en
  • SU37937A1 - Device for felling : en ru
  • CA343517A - Package for stockings : en fr
  • DE600998C - Safety device for brakes or presses : de en
  • GB414398A - Improvements in direct injection compression ignition oil engines : en
  • CH170859A - Multi-grid tube with a protective grid and two control grids. : de en
  • US1968016A - Air cleaner : en
  • FR768192A - Removable heel end : en fr
  • US1968565A - Connection for blasting fuses and method of using the same : en
  • GB414313A - Machine for washing laundry : en
  • FR768147A - Four-speed gearbox and reverse gear for automobiles : en fr
  • FR768013A - Aircraft machine wheel brake control device : en fr
  • US1968249A - Feeding head for reciprocating or jigging conveyers : en
  • US1968329A - Metal spraying apparatus : en
  • DE600770C - Process for the production of acetaldehyde from ethyl alcohol : de en
  • FR768244A - New watering lance : en fr
  • ES2799U - Movement device for the figures or seat of carrousels and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • AU1598234A - Process forthe production of carbon metals and alloys with very small contents of carbon : en
  • CH170828A - Fluid change gear that can also be used as a clutch. : de en
  • FR768116A - Flexible guide device for curtain closure : en fr
  • FR768123A - Stylograph with two metallic nibs : en fr
  • DE600823C - Process for the production of water-insoluble azo dyes : de en
  • CA343477A - Disinfectant device : en fr
  • US1968166A - Rotary printing press : en
  • US1968651A - Continuous sludge removal method and apparatus : en
  • GB414404A - Manufacture of aromatic amino bases : en
  • FR768390A - Device for remotely starting and stopping an electric motor, by means of electric pulses : en fr
  • DE600752C - Slotted drum with a thread guide bracket arranged inside the drum : de en
  • FR768027A - Improvements to electrical switches : en fr
  • FR768154A - Discharge tube : en fr
  • FR768304A - Laundry spinner improvements : en fr
  • GB414300A - Improvements in means for mounting guns on aircraft engines : en
  • SU37654A1 - Tear-off fastener and method of its manufacture : en ru
  • SU37783A1 - A method of making resins for varnishes and plastics : en ru
  • SU38011A1 - Drawing device : en ru
  • US1968455A - Method and apparatus for forming pipe : en
  • US1968584A - Brake mechanism : en
  • SU37666A1 - Combined Skip with Crate : en ru
  • SU37977A1 - Method of making composition for feed additive : en ru
  • SU37931A1 - Reel for sweepers : en ru
  • US1968614A - Treatment of emulsions : en
  • US1968681A - Combined washing and drying apparatus : en
  • FR768052A - Production of tri-ring diphenyl compounds : en fr
  • FR768362A - Mechanical device for orienting the headlights of motor vehicles and preventing dazzling of vehicles traveling in the opposite direction : en fr
  • DE600587C - Burner head on regenerative ovens : de en
  • AU1369233A - Two-way stump-jump plough : en
  • AU1680134A - Improvements in or relating to anchors : en
  • US1968693A - Apparatus for the production of glass silk : en
  • US1968259A - Superheterodyne receiver : en
  • US1968632A - Control system : en
  • US1968771A - One-way clutch : en
  • DK49052C - Device for Apparatus for the Production of Clichés. : da en
  • ES2283Y - Mechanical pointer. : en es
  • ES2787U - A new model of ice cream maker (Machine-translation by Google Translate, not legally binding) : en es
  • CH170803A - Winding mechanism for watches. : en fr
  • CH170854A - Discharge tube with anode that moves during operation. : de en
  • FR768287A - Box closing device : en fr
  • GB414220A - Improvements in backgrounds for illuminated objects : en
  • SU37858A1 - Adaptation to roller devices to maintain the adjusted gap between the rollers : en ru
  • FR768353A - Fabric with long, unwrapped loops and loom for its manufacture : en fr
  • GB414178A - Improvements in and relating to golf bags : en
  • DE600890C - Envelope or Similar Sleeves and Method of Manufacture : de en
  • BE403912A - Improvements to automatic igniters for grenades : en fr
  • DE600866C - Fastening device for ironing boards on a table or the like. : de en
  • SU37712A1 - Printed form for single-color multicolor printing : en ru
  • US1968561A - Igniter for gas burners : en
  • CA343657A - Coffee percolator : en fr
  • CH170815A - Valve disc grinding machine. : de en
  • CH170816A - Machine for repairing chipped containers. : en fr
  • US1968559A - Draft appliance : en
  • SU37900A1 - Instrument for determining the direction and speed of ground flow : en ru
  • US1968352A - Cutting, setting, and sharpening saws : en
  • US1968491A - Centrifugal machine : en
  • DE599316C - Device on high voltage fuses with main and secondary fusible conductors to identify blown fuses : de en
  • GB414226A - Boring machine : en
  • FR768043A - Shuttle stitch sewing machine improvements : en fr
  • FR768109A - Process for imparting consistency to fuels and their components, liquid hydrocarbons, alcohols, oils, fats and the like and resulting products : en fr
  • SU37830A1 - Flat jumper : en ru
  • US1968518A - Method and apparatus for liquefying and separating gaseous mixtures : en
  • DE600830C - Welded I- or T-beam : de en
  • FR768315A - Hourly distributor : en fr
  • GB414273A - Dimming adapters for electric incandescent lamps : en
  • GB414327A - Improvements in or relating to machines for forming strips of metal wool into ball-like rolls : en
  • DK49057C - Sheath for internally heated hair wrap rods. : da en
  • GB414293A - Manufacture of barbituric acid derivatives : en
  • GB414389A - Improvements in or relating to pistons : en
  • US1968508A - Apparatus for preventing accumulation of oil in cooling compartment of ice cream freezers : en
  • US1968763A - Fuse : en
  • US1968245A - Phonograph : en
  • FR768227A - Method and devices for the pneumatic transport of grains and similar substances : en fr
  • DE600778C - Resistance band for high frequency : de en
  • ES134272A1 - A process for the manufacture of a liquid air or liquid oxygen cartridge casing. : en es
  • US1968118A - Cigarette stub pulling and extinguishing device : en
  • US1968359A - Rayon spinning machine : en
  • US1968666A - Swinging gate valve : en
  • US1968112A - Color photography : en
  • SU38024A1 - Drive unit for removable comb of card machines : en ru
  • US1968371A - Telltale device : en
  • USD92873S - Design fob a can puncturing device : en
  • DK49069C - Protection signaling system at Railway crossings. : da en
  • CA343506A - Tree fertilizer : en fr
  • CA343616A - Dynatron radio receiver : en fr
  • SU37976A1 - Caviar preservation method : en ru
  • US1968126A - Oil burner : en
  • US1968760A - Wrapper for piece goods : en
  • CH170755A - Process for the production of alcohol through fermentation of substances containing carbohydrates. : de en
  • US1968168A - Securing trim panels or the like : en
  • US1968700A - Hydraulic driving device for clamping chucks and the like : en
  • CA343560A - Oxygen concentration in a liquid bath : en fr
  • CH170764A - Process for producing a diazo compound in solid form. : de en
  • SU37932A1 - Combine for threshing on the vine ripened seeds : en ru
  • CH170920A - Process for the preparation of an azo dye. : de en
  • FR768148A - Multi-pocket ice cream cone : en fr
  • SU37681A1 - The bolt to the running locks and rifles : en ru
  • SU37713A1 - Adaptation to skoropressnyh machines for lifting taler with multi-color cliche after each imprint on the thickness of the paint layer : en ru
  • US1968028A - Slice for paper making machines : en
  • US1968053A - Process of making coke and combustible gas : en
  • US1968116A - Wheel for automobile vehicles and the like : en
  • DE596227C - Diaphragm pump : de en
  • GB414336A - Improvements in or relating to the manufacture of substituted amides and compositions containing same : en
  • FR768006A - Process for absorbing mothballs from still gases : en fr
  • GB414251A - Improvements in or relating to thermionic valve circuit arrangements : en
  • US1968232A - Convertible sitting or reclining quarters for motor truck relief drivers : en
  • US1968456A - Gaseous pressure wave absorbing construction : en
  • DE600877C - Method and device for the production of ribbed knitted fabric with reinforcements : de en
  • US1968687A - Process of and apparatus for coating wire : en
  • US1968757A - Endless conveyer : en
  • US1968209A - Sign-holding device : en
  • US1968278A - Differential drive for rolls : en
  • USD92900S - Design fok a modernistic violin : en
  • GB414109A - Improved sign changing device : en
  • USD92872S - Combined salt anq pepper shaker : en
  • SU37911A1 - Caller Coin Account : en ru
  • SU37735A1 - Electro-rail brake : en ru
  • US1968038A - Method of producing coke and distillate : en
  • GB414380A - Dust catching and down draught preventing devices for use as an attachment on chimneys or flues : en
  • SU38005A1 - Hard pontoon for lifting sunken ships : en ru
  • SU37812A1 - Blood mixing device in a Tom-Zeiss type mixer : en ru
  • DE600832C - Device for measuring the length of fibers or threads : de en
  • FR768246A - Airplane driven by gas turbines : en fr
  • GB414225A - Improvements in photographic cameras : en
  • SU38002A1 - A device for braking the middle roller of the gear boxes on the STZKhTZ tractors, etc. : en ru
  • BE403888A - Assembly of an electric discharge tube in a gas atmosphere : en fr
  • CA343583A - Alloy annealing process : en fr
  • US1968505A - Safety shutter or guard attachment for clothes wringers : en
  • US1968726A - Electric ignition and battery lock : en
  • US1968305A - Discharging mechanism on forming machines : en
  • CA343637A - Railway car truck : en fr
  • US1968365A - Gasket : en
  • US1968727A - Paper milk bottle : en
  • US1968799A - Process of preparing, grinding, or polishing tools : en
  • CA343528A - Mine air cooling apparatus : en fr
  • US1968187A - Planter : en
  • US1968222A - Converging achromatic eyepiece : en
  • US1968722A - Method of inhibiting the corrosive action of alkaline aqueous solutions, etc. : en
  • SU37689A1 - Allyl alcohol dehydration : en ru
  • SU37700A1 - Autoclave for smelting sulfur from its ores : en ru
  • CH170813A - Semi-automatic machine for simultaneously turning, milling and chamfering cores of all shapes. : en fr
  • CH170853A - Indirectly heated cathode in a Braun tube. : de en
  • CA343624A - Cock for coffee making machines : en fr
  • DE600862C - Method for aligning cigarettes in cigarette counting and packing machines : de en
  • GB414130A - Improvements in or relating to disintegrators for foundry sand and like materials : en
  • DK49060C - Device for coat hangers for mounting on bicycles. : da en
  • CA343527A - Electrical cable : en fr
  • CH170875A - Galvanic belt with flat electrodes. : de en
  • US1968442A - Process of heating and rolling steel in an inert gas inclosure : en
  • SU38061A1 - Apparatus for controlling the crystallization of solutions : en ru
  • US1968507A - Refrigerating system for ice cream freezers : en
  • CA343482A - Engine starter : en fr
  • US1968477A - Invalid hoist : en
  • US1968582A - Fabricated dynamo-electric machine : en
  • DE600953C - Device for adhering photographic films to paper or similar tabs : de en
  • GB414181A - Improvements in or relating to plate heat exchange apparatus for fluids : en
  • SU37843A1 - Method of making hollow articles from liquid in hot state and solidifying during cooling glass, plastic and other masses : en ru
  • SU37917A1 - Rotator with rotating tools : en ru
  • CA343525A - Analytical fractionating column : en fr
  • CH170915A - Process for the preparation of an azo dye. : de en
  • AU1372233A - Improvements inthe construction of caravans : en
  • CH170927A - Process for the preparation of an azo dye. : de en
  • CH170905A - Coupling bracket. : de en
  • SU37753A1 - Enamel coating method of electrical resistance : en ru
  • CH170895A - Case with subscription included. : de en
  • FR768295A - Combined wrapper press : en fr
  • FR768150A - Receiving method and device, in particular for television : en fr
  • AU1363233A - Improvement inthe construction of boats, barrels, andthe like : en
  • CH170748A - Buckle for the detachable and adjustable connection of overlapping pieces of clothing. : de en
  • CH170912A - Process for the preparation of a mixture of higher molecular weight monoalkyl glycerol ethers. : de en
  • US1968372A - Stemming machine : en
  • SU37873A1 - Dosing table for bulk materials : en ru
  • CA343607A - Composite pipe manufacture : en fr
  • US1968608A - High efficiency oxide coated cathode and method of manufacture : en
  • CH170922A - Process for the preparation of an azo dye. : de en
  • SU37591A1 - Longitudinal Pipe Welding Device : en ru
  • SU37910A1 - Paper money bill machine : en ru
  • US1968133A - Marking device : en
  • AU1591534A - Improvements in or relating to prepayment meter mechanism : en
  • US1968144A - Skating rink : en
  • US1968784A - Artificial stone floor and method of making it : en
  • SU37909A1 - A device for solving a system of linear equations : en ru
  • US1968115A - Dispensing container : en
  • USRE19258E - Fluid actuated brake : en
  • CA343567A - X-ray tube shield : en fr
  • US1968199A - Equalizing bearing : en
  • US1968040A - Support : en
  • CA343597A - Tire cover : en fr
  • CA343640A - Hydrocarbon oil conversion : en fr
  • CH170865A - Electric gas lighter. : de en
  • CA343656A - Egg carton filler machine : en fr
  • DE600910C - Stepping mechanism that is moved by de-energizing a switching magnet : de en
  • GB414195A - Improvements relating to paving slabs, garden ornaments and like structures : en
  • DE600797C - Attachment of a pouring spout with a drip tray : de en
  • CA343532A - Train pipe connector : en fr
  • CH170759A - Process for the production of caustic potash from potassium sulfate with simultaneous production of alkaline earth metal oxalate. : de en
  • CA343540A - Valve grinding machine : en fr
  • CA343551A - Ophthalmic lens : en fr
  • CA343653A - Staple : en fr
  • BE403641A - : en fr
  • SU37723A1 - Apparatus for injecting coal fines into a blast furnace shaft : en ru
  • US1968521A - Milk bottle washing and brushing machine : en
  • CH170901A - Step template. : de en
  • US1968272A - Shoe shining machine : en
  • US1968393A - Building unit : en
  • US1968587A - Vehicle brake : en
  • SU37867A1 - A device for determining the level of liquid in tanks : en ru
  • SU37924A1 - Adaptation to planting machines for feeding seedlings : en ru
  • US1968670A - Method of and apparatus for rolling rods : en
  • SU37696A1 - Method for continuous separation of partially miscible liquids : en ru
  • SU37801A1 - Modifying Spinning Apparatus for Making Rayon by Exhaust Method : en ru
  • US1968086A - Fire extinguishing apparatus : en
  • US1968108A - Variable condenser : en
  • US1968331A - Calipers : en
  • CA343649A - Keg tap : en fr
  • AU1617834A - Improvements in safety razors : en
  • CA343535A - Packing : en fr
  • CA343587A - Ventilated fabric : en fr
  • FR768155A - Improvements made to motor compressors with opposing free pistons : en fr
  • FR768326A - Method and apparatus for water purification : en fr
  • CH170709A - Rail. : de en
  • CH170932A - Process for the preparation of a monoazo dye. : de en
  • CH170801A - Wand watch. : en fr
  • BE403880A - Device for periodically interrupting the current in one or more electrical circuits : en fr
  • US1968495A - Draft and buffer gear : en
  • DE600781C - Surgical chisel with motor-driven, back and forth oscillating cutting edge : de en
  • DE600816C - Process for the production of sound films by the amplitude recording process : de en
  • AU1659034A - Improvements relating to rotary kiln plants : en
  • US1968725A - Cartridge belt : en
  • SU37938A1 - Udder wash device : en ru
  • US1968482A - Throttle control for gear shift levers : en
  • US1968663A - Sharpener for meat slicing machines : en
  • CH170846A - High voltage switch. : de en
  • DE600900C - Wire mesh basket : de en
  • CH170711A - Method for heating or cooling an exchange surface and installation for implementing this method. : en fr
  • CH170835A - Starting device with pinion starter for internal combustion engines. : de en
  • CH170844A - Connector pin. : de en
  • BE403461A - Process for the production of magnetic substances for high frequency : en fr
  • CH170861A - Device for reducing the equalizing currents in rectifiers and inverters operated in parallel. : de en
  • BE403914A - : en
  • CA343661A - Cable socket applying tool : en fr
  • US1968379A - Throttle valve and motive fluid connection for fluid actuated machines : en
  • SU37850A1 - Cyanine tank for unclassified pulp : en ru
  • US1968368A - Pipe coupling : en
  • US1968649A - Dictating machine : en
  • US1968714A - Parquet floor block : en
  • CH170758A - Process for the production of white alkali metal cyanide. : de en
  • DE600906C - Motor-electric drive, especially for electric vehicles : de en
  • CA343501A - Mail receiving device for doors : en fr
  • ES134433A1 - An improved procedure and its corresponding special device for the adjustment and leveling of wheels for vehicles. : en es
  • US1968180A - Screw press : en
  • CH170906A - Soft. : de en
  • CA343491A - Electrical heating system : en fr
  • CA343544A - Tubular material treating method : en fr
  • US1968128A - Kick-out for metal working machines : en
  • US1968539A - Measuring apparatus : en
  • CA343590A - Building block : en fr
  • CH170814A - Upholstered body. : de en
  • SU37790A1 - Adaptation to round German knitting machines of the "Schubert and Seltzer" system, preventing accidents when changing needles : en ru
  • SU37899A1 - Vibration machine for the initiation of artificial vibrations in buildings : en ru
  • CH170760A - Process for the preparation of a mixture of organic antimony complex salts. : de en
  • SU37782A1 - The method of condensation of phenols with wood : en ru
  • US1968575A - Regulating system : en
  • CA343615A - Pentode output circuit : en fr
  • SU37956A1 - Electrolytic chrome plating method : en ru
  • SU37958A1 - The method of obtaining relief images on the surface of polished metals : en ru
  • US1968189A - Tile panel fabricating mold : en
  • US1968580A - Hand luggage : en
  • ES133877A1 - Improvements in dampers for airplanes. : en es
  • US1968009A - Shoe press : en
  • US1968748A - Blade sharpener : en
  • CH170817A - Sharpening device, especially for safety razor blades. : en it
  • CH170776A - Electrolysis process. : en fr
  • CH170885A - Directional antenna for very short waves. : de en
  • FR768283A - Improved shade fastness obtained with direct dyes : en fr
  • FR768339A - Improvements to sensitized fabrics for photographic printing : en fr
  • CA343514A - Stereoscopic apparatus : en fr
  • US1968527A - Change speed gear : en
  • SU37896A1 - Universal machine for testing materials and engineering structures : en ru
  • SU37863A1 - Plummet : en ru
  • CH170743A - Iron. : de en
  • ES2781U - Parachute rigging. (Machine-translation by Google Translate, not legally binding) : en es
  • CA343609A - Frequency multiplication : en fr
  • FR768365A - Improvement brought to buffers for hearth plates : en fr
  • CH170916A - Process for the preparation of an azo dye. : de en
  • FR768030A - Improvements in processes and apparatus for reducing and regulating fluid pressure : en fr
  • GB414417A - Improvements in or relating to wet filters for air or other gas : en
  • GB414676A - Improvements in or relating to hair curling apparatus : en
  • GB414351A - Improvements in electric starting devices for internal combustion engines : en
  • GB414376A - Improvements in chain fire-grates for steam generator and like furnaces : en
  • CH170841A - Process for the impregnation of electrotechnical products. : de en
  • US1968674A - Transparent mounting device : en
  • DE600941C - Process for the manufacture of vaccines : de en
  • CH170790A - Elliptical compass. : de en
  • SU37857A1 - Apparatus for automatic joint horizontal and vertical surveying : en ru
  • CA343574A - Prepared resin : en fr
  • DE600784C - Device on magnetic compasses to prevent acceleration errors : de en
  • US1968320A - Self-cleansing valve mechanism : en
  • SU37664A1 - Coal mining machine (mining combine) : en ru
  • US1968163A - Diesel engine : en
  • USD92888S - Design fob a lamp : en
  • CH170934A - Process for the preparation of a vat dye of the anthraquinone series. : de en
  • FR768096A - Improvements to roller dampers and the like : en fr
  • FR768100A - Isoaldehyde oxidation process : en fr
  • DE600944C - Lighting attachment for T-shaped marking boards : de en
  • USD92887S - Design fob a toy : en
  • SU37997A1 - Air pump for deep wells : en ru
  • SU38037A1 - The method of preparation of chewing tiled tobacco : en ru
  • SU38054A1 - Weaving rates for making tubular cool fabric : en ru
  • ES2404Y - A document punch for filing : en es
  • USRE19257E - Molded trimming : en
  • GB414720A - Improvements in or relating to machines for delivering articles or packets : en
  • US1968358A - Motor control system : en
  • USD92928S - Design for a dooklatch fob cabinets : en
  • US1968161A - Seed planter and fertilizer distributor : en
  • US1968761A - Lid or cover for journal boxes : en
  • GB414328A - Tool for cutting the matrix-teeth for a matrix composing and line casting machine : en
  • FR768194A - Armature with collector, in particular for electric machines exposed to strong vibrations : en fr
  • ES131438A1 - Improvements in the manufacture of devices for drying hair, particularly wavy hair to water. : en es
  • FR768332A - Device for automatic braking and stopping of a wiring machine : en fr
  • GB414160A - Improvements in the manufacture and production of chrome pigments : en
  • GB414675A - Improvements in or relating to valves for inflation purposes : en
  • US1968497A - Aeroplane : en
  • SU37733A1 - Pneumatic steam sandbox : en ru
  • US1968528A - Communication system : en
  • US1968621A - Oil cooler : en
  • US1968398A - Timing mechanism : en
  • US1968459A - Rubber-like dispersion and method of producing same : en
  • US1968039A - Educational apparatus : en
  • US1968063A - Process for the preparation of hydrogen : en
  • US1968387A - Power mechanism : en
  • GB414118A - Improvements in kiln plants for burning cement or similar materials : en
  • DE600869C - Process for the preparation of guanidine salts from cyanamide salts : de en
  • SU37698A1 - The method of obtaining a platinum catalyst : en ru
  • US1968782A - Automatic grain shocker : en
  • GB414360A - Card dealing device : en
  • SU37669A1 - Adaptation to the trio mill for feeding material into the lower streams : en ru
  • SU37944A1 - Internal combustion engine : en ru
  • US1968091A - Machine for shaping bar ends, and work end finishing purposes : en
  • US1968665A - Apparatus for making spark plugs : en
  • SU37667A1 - A device for stopping carriages torn off along inclined workings : en ru
  • DE600972C - Flywheel starter with manual drive : de en
  • US1968723A - Golf club separator : en
  • USD92927S - Design for a brooch : en
  • US1968375A - Throttle valve and motive fluid connection for rock drills : en
  • FR768292A - Pile or sheet pile driving process : en fr
  • FR768062A - Advanced Reservoir Pen Holders : en fr
  • ES2137Y - Provision for tightening metal plugs. : en es
  • GB414158A - Improvements in cases or cabinets for cigarettes and the like : en
  • GB414170A - Improvements in and relating to electric commutator motors : en
  • FR768032A - Method and apparatus for applying strips of adhesive material to objects of any shape : en fr
  • FR768054A - Fixed device for bringing liquids and gases into contact, particularly for the purification of combustible gases : en fr
  • GB414647A - Improvements in and relating to electrical relay systems : en
  • SU37683A1 - A device for cutting paper, cloth, cardboard, etc. : en ru
  • DE600916C - Safety razor : de en
  • FR768095A - Gasifier-air generator carburized by evaporation of cold light gasoline : en fr
  • US1968323A - Process of manufacturing fertilizers : en
  • CH170839A - Transformer for the optional connection of two high-voltage networks with approximately the same power but different voltage. : de en
  • CH170884A - Tube device for wireless telecommunication technology. : de en
  • GB414180A - Improvements relating to means for adjustably supporting shelves : en
  • GB414191A - Improved manufacture of armoured thread, cord and the like : en
  • US1968450A - Noise suppression circuit : en
  • US1968686A - Cream dispenser : en
  • GB414252A - Improvements in and relating to chocolate and other confectionery eggs and the like and in moulds for making the same : en
  • FR768285A - Method and apparatus for bleaching textile materials : en fr
  • GB414374A - Improvements in or relating to electrolytic condensers : en
  • GB414173A - Improvements in straight-bar knitting machines : en
  • SU37692A1 - Glass filter tablet solder stand : en ru
  • SU38021A1 - Reel : en ru
  • US1968703A - Core molding apparatus : en
  • US1968746A - Preparing tar for use on roads : en
  • FR768202A - Lens with multi-zone color filter, for projecting lenticular grating films : en fr
  • GB414305A - Improvements in or relating to files for documents : en
  • GB414651A - Improvements in and relating to thermionic amplifiers : en
  • US1968318A - Apparatus for producing solid carbon dioxide : en
  • SU37919A1 - Arrow Zig-Zag : en ru
  • US1968796A - Agent for wetting : en
  • ES134092A1 - PROCEDURE FOR THE MANUFACTURE OF LACE AND ELASTIC TULES : en es
  • GB414418A - Improvements in miners' and like safety lamps : en
  • DE600788C - Device for the sifting of powdery material : de en
  • GB414095A - A machine for washing bottles : en
  • DE600903C - Process for preparing carbide for azotation : de en
  • ES133478A1 - Improvement in the manufacture of molds for the manufacture of shoe soles based on pressed rubber powder. : en es
  • ES134275A1 - A procedure to refine vegetable and animal oils and fats. : en es
  • FR768173A - Brake control particularly applicable to cycles : en fr
  • GB414301A - Improvements in or relating to impulse transmitting arrangements for use in telephone systems : en
  • BE403445A - : en
  • CH170886A - Device intended to ensure the protection of the property. : en fr
  • SU37648A1 - Aerobic lobe method of spinning plants : en ru
  • US1968407A - Drive control device for stokers : en
  • US1968544A - Phosphoric acid purification by solvent extraction : en
  • US1968340A - Scythe : en
  • US1968610A - Thermionic amplifying system : en
  • US1968720A - Convertible tennis net mounting : en
  • USD92898S - Design for a bedstead : en
  • FR768084A - Shoe display racks : en fr
  • FR768122A - Process for hardening castings : en fr
  • US1968678A - Transmission system : en
  • US1968697A - Cellophane helmet or cap : en
  • US1968338A - Adjustable gearing : en
  • US1968644A - Rack : en
  • SU37670A1 - Drawing die for simultaneous drawing of two pipes : en ru
  • SU37728A1 - The method of processing products of high-speed steel : en ru
  • SU37744A1 - Two-wire interconnecting machine for automatic telephone exchanges : en ru
  • GB414265A - Improvements in or relating to photographic cameras : en
  • US1968425A - Shortening cutter or whip : en
  • FR768175A - : fr
  • SU37805A1 - Artificial silk cake box : en ru
  • DE600644C - Circular knitting machine for the production of reversible clad knitwear : de en
  • CH170935A - Process for the preparation of a vat dye of the anthraquinone series. : de en
  • ES134528A1 - An apparatus for dispensing liquids. : en es
  • SU37923A1 - Landing machine : en ru
  • US1968150A - Furnace regulator : en
  • FR768250A - Device for regulating the voltage of converter installations, in particular metal steam rectifiers : en fr
  • FR768262A - Thermoplastic compositions, molded products derived therefrom and method of preparing such compositions and products : en fr
  • US1968309A - Fence post : en
  • SU38030A1 - Bankrosh : en ru
  • US1968310A - Machine for forming metal wool into pads : en
  • US1968531A - Vehicle roof construction : en
  • CH170903A - Bicycles or motorcycles. : de en
  • GB414119A - Improvements in or relating to submarine electric cables : en
  • FR768087A - Time switch : en fr
  • FR768201A - Airplane driven by gas turbines : en fr
  • US1968345A - Treating sulphite pulp : en
  • US1968732A - Ice cream confection bar : en
  • US1968041A - Apparatus for textile operations : en
  • US1968262A - Method and device for hair dressing : en
  • US1968603A - Spinning ring : en
  • US1968669A - H arnold : en
  • SU37925A1 - Potato harvesting machine : en ru
  • SU37831A1 - The device of the longitudinal connection of wooden bars : en ru
  • DE600925C - Device for electrical heating and quenching of ice skates : de en
  • US1968436A - Air filter : en
  • US1968510A - Window screen : en
  • CA343651A - Dehydrating apparatus : en fr
  • US1968712A - Watch dial construction : en
  • US1968751A - Pasteurization of milk and other liquids : en
  • AU1314033A - An improved automatic poultry feeder : en
  • CA343638A - Paper handling machine : en fr
  • ES134385A1 - Continuous coupling by teeth that joins the interline wheel to the paper-holder roller of the typewriters and the like. : en es
  • CA343513A - Oar and oarlock : en fr
  • US1968242A - Slitting means : en
  • FR768368A - Reinforced clinker cement plates with baffle joint : en fr
  • GB414136A - Manufacture of indanthrone compounds : en
  • GB414094A - Improvements in and connected with aluminium alloys : en
  • SU38018A1 - Sound source : en ru
  • US1968226A - Vending machine : en
  • USD92938S - Design for a tire : en