• DE622362C - Stamp arrangement for imprinting text on film strips : de en
  • US2022258A - Cloth spreader or expander : en
  • US2021982A - Earth auger : en
  • SU44976A1 - Wagon for unwinding and reeling electric field cable : en ru
  • PL22260B1 - The device for propelling and steering the boat with the help of the power of the legs. : en pl
  • DE622579C - Process for vulcanizing the outer skin of golf balls or similar play balls, consisting of balata, gutta-percha or rubber : de en
  • FR790703A - Rail fastening method : en fr
  • CA354425A - Printing punch : en fr
  • GB438852A - Improvements in methods of and means for radiogoniometric position-finding : en
  • GB439025A - Improvements in or relating to high frequency electrical circuits : en
  • FR790912A - Double acting valve : en fr
  • GB438822A - Spinning centrifugal motor arrangements : en
  • PL22262B1 - Forceps to attach bipartite features to the ears of animals and the related ear feature. : en pl
  • SU44912A1 - Continuously expandable self-burning electrode : en ru
  • SU45173A1 - Aerodynamic Sailing Brake : en ru
  • US2022119A - Molding : en
  • US2022213A - Joint : en
  • US2022067A - Feed-back circuits : en
  • PL22219B1 - : en pl
  • DE622556C - Device for making ice in ice cells : de en
  • CA354388A - Glass making apparatus : en fr
  • DE622505C - Cold bed system for rolling mills : de en
  • DE622510C - Device for dismantling rail freight trains at shunting yards : de en
  • FR790926A - Railroad tie : en fr
  • GB438938A - Improvements relating to cooking equipments with direct electric heated cooking vessels : en
  • GB439131A - Improvements in or relating to the housing of poultry and other domestic birds : en
  • FR790724A - Special scale thermometer : en fr
  • GB439242A - Improvements in, or relating to, release mechanism for electrical switchgear : en
  • FR790735A - Two-stroke engine and its assembly on board flying machines : en fr
  • US2022620A - Lubricating mechanism : en
  • FR790665A - Improvements in the manufacture of yarns or filaments of rayon or the like : en fr
  • FR790862A - Apparatus for introducing threads of coagulable liquid into a coagulation bath : en fr
  • ES139365A1 - Improvements in the fastening mechanisms. : en es
  • GB439100A - Improvements in or relating to carbon sheet holders for typewriting machines : en
  • SU45063A1 - Compression Punch Mold : en ru
  • DE622382C - Travel divider for mowing machines : de en
  • ES139777A1 - Apparatus for filling the free spaces of bills of exchange or similar applications. : en es
  • GB439105A - Improvements in or relating to apparatus for and method of forming sheet metal into cylindrical or hollow bodies : en
  • US2022230A - Method of and apparatus for making rubber tubes : en
  • FR790928A - Very pure crystalline dextrose manufacturing process : en fr
  • SU45196A1 - Attraction : en ru
  • PL22275B1 - Swinging crusher. : en pl
  • CH180893A - Building plate, process for its manufacture and equipment for carrying out the process. : en fr
  • FR790840A - Canoe moved by human power : en fr
  • ES4190U - An automatic matrix applicable to pitting machines olives (Machine-translation by Google Translate, not legally binding) : en es
  • SU44974A1 - Method of cementation jet : en ru
  • US2022197A - Fluid motor : en
  • AT143590B - Support arm for a table that can be swiveled out of a bedside table or the like. : de en
  • GB438789A - Improvements relating to the production of bi-metallic strip : en
  • GB439088A - A new device for indicating the advance of a drilling bit or other tool used for drilling wells : en
  • ES139449A1 - Apparatus for sharpening and smoothing razors and cutting tools in general. : en es
  • FR790994A - Time delay devices for intermittent supply of a circuit : en fr
  • FR790998A - Hermetic face mask : en fr
  • US2022550A - Method of regenerating sodium plumbite solution : en
  • USD97618S - Design for a plaque ob similar : en
  • GB438798A - Improvements in the measuring of gloss : en
  • DK50954C - For Central Heating Systems, Element Double Furnace or Element Boiler System for Waste Incineration. : da en
  • GB438846A - Improvements in or relating to centrifugal fan rotors : en
  • ES4180U - Wheel for cars and vehicles in general with balancing devices. (Machine-translation by Google Translate, not legally binding) : en es
  • AT143563B - Ring valve with handlebar guide. : de en
  • BE411892A - Method and apparatus for the purification of molten metals : en fr
  • SU44980A1 - Electric switch : en ru
  • FR790798A - Device for stabilizing boats or the like using reaction forces : en fr
  • DE622371C - Device for placing injured people on stretchers with a rigid, footless support surface : de en
  • ES139768A1 - A fire warning device. : en es
  • CA354354A - Headwear : en fr
  • FR790803A - Products with oligodynamic action and processes for preparing them : en fr
  • ES139597A1 - A machine for manufacturing molded rubber products. : en es
  • FR790740A - Improvements to flexible tubes : en fr
  • GB439037A - A new or improved device for holding fish hooks, artificial flies or baits : en
  • GB438935A - Improvements in safety razors : en
  • GB438984A - Improvements relating to book-form savings banks : en
  • SU44888A1 - Well curvature measuring instrument : en ru
  • SU45101A1 - Micro refractometer : en ru
  • US2022352A - Folding machine : en
  • USD97607S - Design for a toy wagon : en
  • CH180886A - Method and device for lowering plants, in particular cereal plants. : de en
  • DE622377C - Device for the automatic cleaning of the filter of pot vacuum cleaners : de en
  • DE622437C - Device for fixing the pillars of gymnastics equipment : de en
  • GB438936A - Improvements in or relating to cushion-supporting devices, particularly for vehicle body mountings : en
  • GB439049A - Improvements in or relating to voltage measuring apparatus : en
  • ES139711A1 - A tube coupling system. : en es
  • SU45067A1 - A method of manufacturing ebony grinding wheels : en ru
  • SU45205A1 - Seal : en ru
  • FR790624A - War gas protection installation : en fr
  • US2022453A - Electric heater : en
  • US2022610A - Pump : en
  • GB438899A - Improvements in or relating to exposure gates for motion picture apparatus : en
  • GB439086A - Improvements in or relating to means for treating safety razor and other blades : en
  • FR790717A - Pouring lid for cans and other receptacles, and receptacles provided with said lid : en fr
  • FR790722A - Cleaning product : en fr
  • GB439056A - Improvements in the synthesis of phenol : en
  • ES139655A3 - An improved system of rifle that works by compressed air, which is armed by means of a lever and equipped with a projectile magazine. : en es
  • DE622548C - Pickling bath for pickling iron and steel : de en
  • ES139668A1 - Lever system for riveting ship bottoms without levers. : en es
  • GB438993A - An improved holder for pencils or crayons : en
  • GB439132A - Improvements in hinges : en
  • SU45006A1 - Electrode for electronic and ion devices : en ru
  • PL22320B1 - A method of tight production and firm closure of vessels with a strainer. : en pl
  • FR790645A - Process for the production of metal molds, more particularly from original sound recording dies : en fr
  • FR790653A - Anti-slip crampon for sports shoes, especially football shoes : en fr
  • PL22239B1 - A method of vulcanizing rubber belts, plates or similar, and apparatus for carrying out the method. : en pl
  • US2022210A - Garment sleeve ironer : en
  • ES138802A1 - A procedure for dyeing leather. : en es
  • FR790620A - Improvement in aircraft engines with supply fan and additional compressor : en fr
  • FR790711A - Folding vertical antenna : en fr
  • GB438904A - Improvements in belt tensioning devices : en
  • GB438937A - Improvements in book form savings banks : en
  • ES139740A1 - Procedure to produce monoazo dyes. : en es
  • GB438995A - Improvements in or relating to non-refillable bottles : en
  • GB439043A - Improvements in pick heads or stocks : en
  • ES139679A1 - A winnowing agricultural machine. : en es
  • GB439178A - Improvements in or relating to telegraphones and like magnetic recording devices : en
  • DK50934C - Three-winged Sign. : da en
  • AT143682B - Motor vehicle equipped with wheels and tracks. : de en
  • ES139699A1 - Improvements introduced in a two-stroke combustion engine with recharge. : en es
  • GB439083A - Improvements in or relating to devices for the counter-pressure filling of vessels or containers, particularly bottles, with liquids : en
  • AT143770B - Method and device for the cosmetic treatment of the skin. : de en
  • AT143796B - Transformer, especially for small X-ray machines. : de en
  • AT143719B - Electrically heated hotplate. : de en
  • CH181119A - Device for setting telecommunications equipment. : de en
  • CA354366A - Trolley wheel : en fr
  • GB438996A - Improvements relating to methods of separating platinum metals from mattes : en
  • US2021913A - Roller for conveyer furnaces : en
  • PL22285B1 - tilCPFCtlli3 / 0 & Transportation unit, consisting of main pump and submersible auxiliary pump. : en pl
  • SU45206A1 - Device for cleaning the tape of the endless conveyor from sticking to it of particles : en ru
  • US2022288A - Tool holder : en
  • FR790660A - Primer intended for the manufacture of fabric-covered buttons : en fr
  • FR790910A - Adaptation of ordinary single-lens cinematographic projection devices to the projection of cinematographic images giving the illusion of relief : en fr
  • GB439094A - Improvements in and relating to connections for attaching flexible conductors to dynamo brushes, especially laminated brushes : en
  • US2022354A - Seeding attachment for disk harrows : en
  • AT143645B - Method and apparatus for mixing rubber. : de en
  • ES4223U - Armchair with oscillating backrest. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790774A - Quantitative gyroscopic on-board instrument : en fr
  • CH181100A - Process for the production of bacilli cultures. : de en
  • FR790604A - Temperature regulating device for gas treatment devices in the presence of contact materials : en fr
  • GB439051A - Spectacles : en
  • US2022449A - Handle : en
  • ES139755A1 - IMPROVEMENTS IN THE MANUFACTURE OF HARDENED STEEL SHEET ROTORS FOR SYNCHRONIC AUTOMATIC STARTING MOTORS WITH A MULTITUDE OF GROOVED POLES : en es
  • US2021964A - Starting and stopping device : en
  • CH181056A - Carburetor-elevator. : en fr
  • SU45128A1 - Hand saw : en ru
  • DE622329C - Grain divider for mowing machines, the divider body of which forms part of a conical shell : de en
  • FR790911A - Electronic discharge lamp : en fr
  • CA354428A - Printing scale : en fr
  • DE622383C - Circular saw for angled cut in one gear with two intersecting saw shafts : de en
  • ES138877A1 - A manufacturing process of espadrilles with an inside sole of the same ones, constructed of flat braid of vegetal fiber reinforced on another one of fabric and nailed both on sole of floor. : en es
  • US2021933A - Band seal : en
  • SU44969A1 - Method of making positive electrodes for electroplated elements with air depolarization : en ru
  • SU44989A1 - Device for preventing over-current relay protection during oscillations : en ru
  • FR790710A - Improvements to cycles, tandems, motorcycles, tricycles and the like : en fr
  • DE622481C - Self-propelled device for holding and turning heavy forgings : de en
  • DE622396C - Table football game with clippers, playing discs, ball and goalkeeper figures : de en
  • ES4235U - Epilator. (Machine-translation by Google Translate, not legally binding) : en es
  • AT143674B - Quickly detachable dog leash for hunting od. Like. Purposes. : de en
  • US2022216A - Phonograph record retaining device for record containers : en
  • US2022458A - Button : en
  • GB438982A - Improvements in or relating to dolls : en
  • GB438951A - Improvements in or connected with water-waste preventers : en
  • SU44947A1 - Device for a quick initial pressure boost in the brake cylinder (strike) in the active air brakes : en ru
  • CH180907A - Electric heat generator. : en fr
  • AT143698B - Tractor wheel with anti-skid. : de en
  • CA354449A - Carton filling machine : en fr
  • PL22294B1 - Inductive load of long-distance teletechnical cables, especially long-distance teletechnical cables to work with a carrier current. : en pl
  • US2022162A - Lady's hand bag : en
  • CH181010A - Aluminum alloy. : de en
  • DE622493C - Process for the production of acetone : de en
  • PL22328B1 - Machine for the production of reinforcement inserts for ferroconcrete. : en pl
  • SU45065A1 - The method of obtaining synthetic rubber : en ru
  • US2022450A - Television system : en
  • ES139599A1 - Procedure for obtaining a calcium aluminate suitable for the preparation of sodium aluminate by extraction with a sodium carbonate solution. : en es
  • CH180923A - Auxiliary table top. : en fr
  • ES139567A3 - A procedure for varnishing wires and other materials. : en es
  • ES139649A3 - Machine for bagging powdery or grain materials. : en es
  • FR790980A - Non-magnetic steel articles having high strength, draw limit, elongation and hardness : en fr
  • US2022431A - Water heater : en
  • US2022023A - Brake : en
  • SU44926A1 - Method for producing malonic ester : en ru
  • SU45130A1 - Method of protecting plants from insect larvae laying eggs on the soil surface : en ru
  • SU45151A1 - Valve for bypassing liquids or gases under pressure : en ru
  • PL22331B1 - Crank press. : en pl
  • SU45108A1 - Method for determining fat content in creams and other fat-rich liquid dairy products : en ru
  • US2022279A - Production of olefines and liquid hydrocarbons from methane : en
  • PL22299B1 - Pistons for machines with self-lubricating piston rings. : en pl
  • SU44975A1 - Method of firing illuminated insulators : en ru
  • US2022187A - Slicing machine : en
  • PL22246B1 - The method of joining is by soldering the working structural parts of overhead ships, especially airplanes. : en pl
  • CA354450A - Match splint blank manufacture : en fr
  • DE622271C - Electric motor drive for switching devices that can be adjusted in stages : de en
  • AT143614B - Device for expressing all types of wet towels. : de en
  • FR790802A - Folding box spring bed for hospitals and other similar applications : en fr
  • FR790915A - Device for bundling rolled bars cut to length : en fr
  • ES139457A3 - A new stage representation procedure. : en es
  • ES139708A1 - Procedure to join the rubber fabrics used, especially in the manufacture of masks against gas, and especially fabrics called doublé. : en es
  • AT143795B - Circuit arrangement for telex switching systems. : de en
  • AU946855A - Improvements in or relating to multi-storey buildings : en
  • DE622351C - Process for the production of Schraemen in Floez dismantling with flush offset : de en
  • PL22310B1 - Camera with target chamber. : en pl
  • USD97611S - Design for a bottle : en
  • DK50943C - As an independent shoulder weapon usable self-loading rifle. : da en
  • ES4189U - Table-school desk removable. (Machine-translation by Google Translate, not legally binding) : en es
  • GB439150A - Improvements in methods of feeding molten glass : en
  • AT143764B - Tube arrangement. : de en
  • CH180945A - Corselet. : de en
  • PL22217B1 - The method of producing water-resistant binders and the method of their use in the construction of road surfaces. : en pl
  • US2022111A - Engine mounting : en
  • CH181082A - Cathode ray tube. : de en
  • CA354344A - Train heating system : en fr
  • CH181107A - Closed circuit breathing apparatus. : en fr
  • SU45091A1 - Pickup : en ru
  • SU44897A1 - Method for trapping vapors of ethyl and other alcohols : en ru
  • SU45226A1 - Assembly tool : en ru
  • US2022084A - Arc striking control : en
  • US2022266A - Liquid discharge device for closed tanks : en
  • US2022192A - Forged steel roll and method of production : en
  • US2022415A - Humidifier : en
  • US2022474A - Truss : en
  • US2022479A - Laminated glass : en
  • US2022533A - Game device : en
  • DE622294C - Process for the preparation of a water purifying agent containing alumina, iron and phosphoric acid : de en
  • SU45141A1 - Connecting rod for connecting rod head : en ru
  • AT143711B - Liquid fuel stoves. : de en
  • GB438850A - Improvements in skimming devices for glass tanks or furnaces and to the gathering of charges therefrom : en
  • GB438922A - Anti-skid attachment for shoes : en
  • PL22220B1 - Device for removing tobacco parts from cigarettes. : en pl
  • ES139559A3 - A procedure for manufacturing heavy oil burner nozzles. : en es
  • GB438868A - A process for the manufacture of floor coverings : en
  • AT143723B - Device for stapling carbonless sheets u. like : de en
  • CH180984A - Device for forming a couchette sledge using two skis. : de en
  • CH181166A - Process for the production of a halogen-containing vat dye. : de en
  • IE13865L - Oil fuels : en
  • DE622573C - Hoist for cranes to pick up vehicles from the water : de en
  • DE622446C - Reinforced truss arch bridge : de en
  • ES139738A1 - PROCEDURE FOR THE MANUFACTURE OF WOOD BARRELS : en es
  • ES3757Y - Device for fishing without a rod. : en es
  • GB438879A - A new or improved leg rest : en
  • CH181065A - Non-toxic protective agent against the corrosion of accumulator and battery terminals. : de en
  • US2022591A - Combination service table, drain, and conveyer : en
  • CH181055A - Fuel injection device in compressorless internal combustion engines. : de en
  • CH180949A - Pastry dough cutter. : de en
  • CH181023A - Sharpening disc. : en fr
  • CH181152A - Thread tensioner for winding and similar textile machines. : de en
  • AT143705B - Gas pistol. : de en
  • DE622265C - Lining box, especially for cylinders of internal combustion engines : de en
  • DE622286C - Slice stacking device for slicing machines : de en
  • DE622415C - Device for the production of hollow bodies from plastic masses, in particular rubber masses : de en
  • PL22298B1 - Electric bulb for mine lanterns. : en pl
  • USD97624S - Design fob a lamp base ob : en
  • PL22287B1 - A method of reviving an oil deposit by heating the bottom of a borehole. : en pl
  • SU44907A1 - Brush : en ru
  • US2022406A - Protective device in amplifier circuit : en
  • PL22265B1 - Framed sponge. : en pl
  • SU45074A1 - A device for sorting cotton fibers by length : en ru
  • CH181093A - Tubular filament electric lamp. : en fr
  • SU44945A1 - Smoke chamber (front fire) for locomotives : en ru
  • US2022167A - Means of storing motor vehicles : en
  • AT143773B - Fine adjustment device for microscopes and other optical instruments. : de en
  • BE411910A - : en
  • FR790825A - Ignition device specific to heavy oil engine with hollow vaporization member operating by sweeping its orifice with a jet of compressed air at the end of compression : en fr
  • GB439036A - Improvements in or relating to cracking coal tar oils and distillates : en
  • USD97655S - Design fob a textile fabric : en
  • AT143572B - Relays for protecting overloadable equipment, especially electrical machines and lines, against harmful overload. : de en
  • AT143554B - Automatic tensioning device for drive chains, belts, etc. like : de en
  • AT143668B - Sounding toy made from an inflatable hollow body. : de en
  • CH180958A - Process for the preparation of phosphoric acid triesters of aliphatic alcohols. : de en
  • ES4193U - A quick open-envelopes (Machine-translation by Google Translate, not legally binding) : en es
  • SU45232A1 - Vision device : en ru
  • FR790630A - Homodyne receiver : en fr
  • FR790896A - Manicure instrument : en fr
  • DE622518C - Motorized drive and electrical remote control of colored discs and cover slides, in particular stage lights : de en
  • GB438804A - Directional radio transmitting arrangements particularly applicable for determining bearings : en
  • DE622281C - Central support bearing for heavy rotating discs : de en
  • DE622549C - Device for gluing folding box top or bottom parts with a special protruding part : de en
  • SU45081A1 - A device for indicating the frequency of electrical impulses : en ru
  • CH181176A - Process for the preparation of a derivative of 5,5-phenylethylhydantoin. : de en
  • FR790656A - Installation intended for carrying out continuous washing or extraction : en fr
  • FR790786A - Continuous process and dewaxing apparatus : en fr
  • FR790890A - Improvement in ebonite containers, particularly for accumulators : en fr
  • FR790739A - Electrical device operating by approaching a driver, without contact, and controlling all control systems, alarms, advertising, signaling, etc. : en fr
  • AT143744B - Men's lower leg dress with stocking or sock holder. : de en
  • AT143633B - Process for the selective flotation of lead-zinc ores. : de en
  • AT143587B - Filling scale. : de en
  • CA354368A - Brassiere : en fr
  • CH181036A - Gear change transmission. : de en
  • PL22277B1 - Method for the production of cyclic acid derivatives (B-ketocarbonic acids. : en pl
  • SU44925A1 - The method of obtaining bromoform : en ru
  • SU44935A1 - Stand for utility fonts : en ru
  • SU45157A1 - Pipe drill : en ru
  • ES139681A1 - Heating system by hot air. : en es
  • ES139687A1 - Improvements introduced in the manufacture of protective masks against asphyxiating gases. : en es
  • FR790838A - Reversible brake adjuster : en fr
  • GB439176A - Improvements in or relating to apparatus for improving the action and control of steam current used for producing under-pressure in the smoke chamber of a locomotive : en
  • SU44971A1 - Method for producing nickel hydroxide electrolytically : en ru
  • USD97652S - Design for a tandem bimotored : en
  • SU45122A1 - Sowing apparatus : en ru
  • USD97631S - Design for a radiocabinet : en
  • USD97638S - Design for a shoe or similar article : en
  • US2022050A - Preparation of phosphoric acids : en
  • US2022169A - Bedding clamp : en
  • US2022455A - Slipper and shoe : en
  • AT143681B - Motor vehicle with an independent drive unit. : de en
  • US2022190A - Releasable wringer head : en
  • PL22269B1 - A device for consolidating the coal inside the coking chambers and the method of condensing the coal using this device. : en pl
  • CA354394A - Electrical discharge device : en fr
  • AU2033034A - Improvements in or relating tothe manufacture of artificial materials : en
  • ES138573A1 - Procedure to purify the juices destined to the manufacture of the sugar and for the utilization of the sugary juices of the sugar cane, as well as of other vegetable juices whose action on the animal economy is beneficial, when using them as baby : en es
  • GB439057A - Improvements relating to arrangements for withering tea leaf : en
  • CH181095A - Process for introducing luminescent substances into electrical discharge vessels. : de en
  • US2022149A - Coating composition : en
  • US2022361A - Process of producing a refined hydrogenated sesame oil : en
  • AT143644B - Rubber product and process for its manufacture. : de en
  • PL22288B1 - Electric device for therapeutic baths. : en pl
  • PL22309B1 - The method of producing porous-bubble masses and objects. : en pl
  • US2022393A - Snowplow : en
  • DE622580C - Palladium-copper-silver alloys : de en
  • ES139682A1 - Clutch and speed change mechanism. : en es
  • US2022046A - Brake : en
  • US2022499A - Pitch change control : en
  • CH180915A - Device serving as a buffer and hold-open device for door and window sashes. : de en
  • PL22203B1 - A method of stabilizing hydrocarbon distillates. : en pl
  • PL22268B1 - A method of cleaning light oils. : en pl
  • US2022384A - Liquid seal : en
  • US2021969A - Tank valve : en
  • US2021984A - Coin collector : en
  • USD97593S - Design for a shoe : en
  • FR790648A - Process for extracting hydrogen sulfide from gases which contain it : en fr
  • US2022425A - Wrapping machine : en
  • USD97612S - Design for a lamp : en
  • AT143762B - Process for the extraction or isolation of finely dispersed substances with an electrical charge from highly dilute solutions. : de en
  • CH181149A - Rail connectors for electric railways. : de en
  • SU44885A1 - Magnetic separator for flour or similar materials. : en ru
  • ES139717A1 - A typewriter, of temporary release or disengagement by minute meter mechanism. : en es
  • US2021904A - Auxiliary means for governing the fashioning mechanism of flat knitting machines : en
  • SU44972A1 - Method for producing cadmium oxide hydrate : en ru
  • US2021946A - Tension device for hand knitting and crocheting : en
  • US2021995A - Heat exchanger : en
  • PL22250B1 - A seal for axial bearings, especially mine bogie bearings. : en pl
  • US2022241A - Circuit interrupting device : en
  • DE622401C - Circuit arrangement for telephone systems with dialer operation : de en
  • US2021955A - Hot fluid gun : en
  • US2022314A - Electrical resistor and its manufacture : en
  • CA354463A - Chemical heating composition : en fr
  • CH181105A - Curling iron. : de en
  • CH181174A - Electrical connector. : de en
  • DE622303C - Polishing spindle : de en
  • GB438914A - Improvements in or relating to smoker's ash and like receptacles : en
  • CA354468A - Underground conduit : en fr
  • FR790957A - Slider closure : en fr
  • GB439177A - Improved manufacture of higher aliphatic and cycloaliphatic sulphonic acids : en
  • US2022043A - Flower stemming machine : en
  • AT143791B - Cantilever armature magnet system. : de en
  • SU44938A1 - Device for continuous direct reduction of metal from pulverized ores by gases : en ru
  • SU45183A1 - Swinging Castle : en ru
  • US2022564A - Apparatus for removing fiber from seed cotton : en
  • USD97606S - Design for a jewelry stone setting : en
  • CH181112A - Self-seller of electricity. : de en
  • DE622389C - Process for regulating the light components attributable to the individual filter colors in lenticular films : de en
  • DE622449C - Process for tempering and bright annealing of non-cementable zinc-containing alloys : de en
  • PL22312B1 - Treatment of heavy hydrocarbons. : en pl
  • SU44950A1 - Device for stopping cars : en ru
  • PL22276B1 - A method for the concentration and separation of gas mixture components and a device for carrying out this method. : en pl
  • SU45218A1 - Automatic chlorinator : en ru
  • ES139664A1 - An improved process for the recovery of sulfur dioxide contained in gas mixtures. : en es
  • GB439065A - Improvements in or relating to tins, canisters and like metal containers : en
  • US2022225A - Wire weaving machine and method of weaving wire cloth : en
  • CH180987A - Construction kit. : de en
  • SU44942A1 - Clamping device for the lower cable of the funicular cable : en ru
  • US2022057A - Apparatus for testing brakes : en
  • CH181123A - Calendar. : de en
  • CH181145A - Seat post for bicycles with a device for attaching a trailer. : de en
  • CA354358A - Grain door : en fr
  • DE622523C - Switching arrangement for cooking and heating devices : de en
  • FR790750A - Device for recovering heat from gas or other stoves : en fr
  • GB438803A - Improvements in the manufacture of magnetic dust cores : en
  • GB439164A - Improved amplifiers for television : en
  • US2021922A - Metal edged slab and building construction : en
  • US2022103A - Calculating machine : en
  • US2022556A - Cylinder head construction : en
  • USD97641S - Design for a lace : en
  • PL22323B1 - A method of producing twisted artificial threads. : en pl
  • SU44905A1 - A device for removing reels from spindles of BrandWood ink dyeing machines : en ru
  • US2022632A - Dial structure : en
  • US2022490A - Moistureproof material : en
  • US2022372A - Lead pot : en
  • CA354427A - Statistical machine : en fr
  • DE622350C - Process for the production of embossing rollers for films by a thumb wheel : de en
  • SU45153A1 - Fitting to lathe for mounting spindles in bearings : en ru
  • US2022199A - Abrasive product : en
  • US2022334A - Molten metal displacement device : en
  • US2022486A - Electrical terminal connection block : en
  • CH181003A - Reversible watch. : en fr
  • CH181004A - Chronograph timepiece. : en fr
  • SU44948A1 - Truck crane for air rail brakes : en ru
  • US2022287A - Road treating and surfacing apparatus : en
  • US2022559A - Motor heater : en
  • CA354457A - Plumber's union : en fr
  • CH180974A - Device for inserting several sheets of paper on typewriters. : de en
  • FR790958A - Preparation of opaque artificial masses by compression : en fr
  • GB438787A - Improvements in controls for engine starting systems : en
  • SU44920A1 - Oxidizer : en ru
  • FR790893A - Improvements to socket wrenches for nuts : en fr
  • GB439123A - Improvements in brakes : en
  • ES139560A3 - An electromechanical molding procedure for brickwork. : en es
  • FR790809A - Process for preparing fuels stable to self-ignition by destructive hydrogenation of liquid hydrocarbons : en fr
  • GB438925A - Improvements in and relating to warp stop-motions for looms : en
  • FR790766A - Electrolytic capacitor and its manufacturing processes : en fr
  • FR790728A - Orientation stabilizer for automobile headlights : en fr
  • GB438826A - Artificial fishing bait : en
  • GB439169A - Improvements in or relating to the manufacture of moulding powders : en
  • FR790846A - Improvements to fabrics, paper, leather and similar materials : en fr
  • FR790903A - Control mechanism for back pressure : en fr
  • US2022202A - Pupillometer : en
  • DE622302C - Luminescent screen in discharge tubes, e.g. Braunschen tubes : de en
  • US2021979A - Production of rustless iron : en
  • US2022212A - Low capacity thermionic tube : en
  • US2022480A - Freewheeling mechanism : en
  • US2022521A - Cutting and gumming machine : en
  • US2022641A - Wood cigar shield : en
  • DE622395C - Device for converting quantities from one coordinate system into those of another : de en
  • SU45236A1 - Device for transmitting vision : en ru
  • US2022589A - Method of treating cellulosic : en
  • AT143769B - Glove. : de en
  • US2021960A - Method of making expansion domes for tanks : en
  • SU45023A1 - The method of analysis of indinylin obtained from carbazole and n-nitrosophenol : en ru
  • PL22244B1 - Ultra short-wave transceiver. : en pl
  • ES139706A1 - Perfections in the construction of fountain pens. : en es
  • CH180929A - Tin can. : de en
  • DE622289C - Gas-tight door lock for air raid shelter : de en
  • DK50939C - Procedure for the production of krypton and xenon from atmospheric air. : da en
  • SU45210A1 - Device for scooping and feeding bulk material from heaps or piles onto a conveyor belt : en ru
  • SU44999A1 - Method for measuring reactive electrical energy : en ru
  • SU45000A1 - Device for measuring small electrical quantities : en ru
  • US2022039A - Connection for handles and implements : en
  • USD97596S - Design for a drinking glass : en
  • ES4184U - Device of unión of the strips of the shirts to the false collars that ride on those. (Machine-translation by Google Translate, not legally binding) : en es
  • ES4194U - A saltcellar container (Machine-translation by Google Translate, not legally binding) : en es
  • FR790674A - Process for the preparation of iodinated ethanolamine derivatives : en fr
  • FR790723A - Improvements to multiple dial clocks : en fr
  • DE622530C - Device for adjusting the time of action of a device operating with a strongly variable torque : de en
  • US2022256A - Process for refining of alkyl phenols : en
  • US2022360A - Foil and film manufacture : en
  • CA354347A - Digging apparatus : en fr
  • CA354363A - Cable clamp : en fr
  • PL22305B1 - Cathode ray tube for producing the shortest waves. : en pl
  • SU44977A1 - Electric button switch : en ru
  • SU45040A1 - Injection syringe : en ru
  • SU45134A1 - Starting device for reversible internal combustion engines : en ru
  • ES139707A1 - An apparatus for separating dust or the like from gases or vapors. : en es
  • US2022537A - Electrical regulation : en
  • GB438802A - Manufacture of artificial masses : en
  • GB439149A - Improvement in phonographs : en
  • US2022560A - Bag for the protection of clothes : en
  • SU45095A1 - Electromagnetic Pickup : en ru
  • AT143690B - Sheet piles made from Z profiles. : de en
  • DE622426C - Length cutter for paper, cardboard u. like. tracks : de en
  • ES4210U - A special ear for buckets and other similar containers (Machine-translation by Google Translate, not legally binding) : en es
  • SU44983A1 - Device for locking the oil switch : en ru
  • USD97653S - Design fob a semitrailer : en
  • DE622418C - Automatic scale : de en
  • DE622462C - Surge arrester with spark gap and series-connected damping resistor : de en
  • ES4122U - Aerodynamic battle car convertible in endless tread and in motor vehicle (Machine-translation by Google Translate, not legally binding) : en es
  • FR790979A - Vacuum cleaner for vehicles moving in either direction : en fr
  • AU2052934A - Improvements in or relating tothe saponification of cellulose esters : en
  • CA354460A - Garment measuring device : en fr
  • CH181013A - Welding electrode. : en fr
  • AT143627B - Process for the production of hard metal alloys. : de en
  • CH180935A - Sliver compactor on drafting systems. : de en
  • SU44991A1 - Panel shield for fuses : en ru
  • SU45145A1 - Cap valve for high pressure tanks : en ru
  • CA354419A - Pulverizing mill : en fr
  • DE622535C - Control system : de en
  • FR790839A - Ceramic insulating material and its application to the manufacture of electron tube caps : en fr
  • CH181113A - Tariff apparatus, in particular self-seller of fees with changeable ratchet transmission. : de en
  • DE622406C - Star quad built up from wires for telecommunication cables : de en
  • GB438813A - Improvements in or connected with latches or locks : en
  • CA354392A - Packaged material and device : en fr
  • CH181044A - Two-stroke internal combustion engine with pistons rotating in opposite directions. : de en
  • CA354470A - Bottle cap package : en fr
  • DE622450C - Friction clutch : de en
  • DE622567C - A trough-shaped protective cap made of metal, designed as a quick wound bandage : de en
  • FR790881A - : fr
  • US2022061A - Gear grinder : en
  • US2022074A - Railway signaling apparatus : en
  • USD97632S - Design for a radiocabinet : en
  • CH181131A - Unloading device for bulk goods. : de en
  • GB439161A - Improvements in and relating to electric plug-in couplings : en
  • FR790969A - Electromagnetic speaking machine with phonogram support in the form of a ribbon or metal wire : en fr
  • GB439122A - Improvements in or relating to food for poultry : en
  • US2021885A - Process for obtaining colloidal dispersions of metals in oils and products thereof : en
  • DE622285C - Container for holding a gasoline-oil mixture, especially for motor vehicles : de en
  • ES4234U - Modeler for breasts. (Machine-translation by Google Translate, not legally binding) : en es
  • GB438897A - An improved seating arrangement for motor vehicles : en
  • ES139733A1 - A device or splitter of nuts, hazelnuts, almonds and similar fruits. : en es
  • SU44996A1 - Signal vibration frequency meter : en ru
  • SU45098A1 - Stereoscope for measuring parallax on aerial photographs : en ru
  • US2022094A - Two-cycle engine control : en
  • CH181151A - Control device for aerial vehicle. : en fr
  • SU44932A1 - The method of producing allylamide salicylic acid : en ru
  • AT143753B - Radio receiver with loop antenna. : de en
  • SU45158A1 - Wood wind instrument : en ru
  • US2022107A - Controllable voice : en
  • US2022240A - Halogenated vat dyestuff of the benzanthronylaminoanthraquinone series and process of making same : en
  • US2022446A - Process of preparing organic cellulose esters : en
  • US2022481A - Circulating and mixing system : en
  • CH181017A - Device for the production of seamless tubes. : de en
  • CH181068A - Magnetic body. : de en
  • CH181089A - Safety device on gas burners equipped with a pilot flame. : de en
  • US2021980A - Collapsible carton : en
  • US2021983A - Apparatus for making inner tubes for tires : en
  • AT143717B - Ash drawer for stoves, stoves, etc. like : de en
  • CH181148A - Points system. : de en
  • US2021973A - Clutch : en
  • US2022282A - Process of producing substantially pure magnesium : en
  • US2022172A - Fall board structure : en
  • IS83B6 - Tools for processing fats and adhesives from raw materials of animals and plants : en is
  • BE412061A - Process for the production of lacquers and colored coating compositions : en fr
  • SU44992A1 - Method of washing bel : en ru
  • SU44993A1 - Magnetoelectric measuring instrument : en ru
  • US2021998A - Electric cable installation : en
  • US2022017A - Apparatus for straining liquids or gases : en
  • CH180944A - Safety device on the iron. : de en
  • ES139584A1 - A machine to apply coating to footwear plants. : en es
  • ES139617A1 - A process for obtaining bleaches with a high concentration of active chlorine. : en es
  • GB438823A - Improvements relating to jacquard machines : en
  • US2022475A - Inserting machine : en
  • SU44984A1 - Thermal time switch : en ru
  • SU45027A1 - Method for continuous sulfuric acid cleaning of lubricating oils : en ru
  • US2022181A - Hydraulic hoist for dump bodies : en
  • DE622330C - Secateurs : de en
  • DE622414C - Initial wall use made of angle and extension stones : de en
  • GB438997A - Improvements in or relating to electromagnetic track brakes : en
  • SU45178A1 - Sharpening device : en ru
  • US2021977A - Handle for vacuum cleaners : en
  • US2022524A - Apparatus for filtering liquids or separating solids from liquids : en
  • DE1355318U - : de en
  • CH181138A - Ice-lifting device. : en fr
  • AT143751B - Arrangement for sending and receiving ultrashort waves. : de en
  • SU45096A1 - The way to get sound recording : en ru
  • SU45115A1 - Descriptive Geometry Tutorial : en ru
  • US2022267A - Protective device for casinghead drips : en
  • SU45221A1 - Device for changing shuttles on weaving machines when operating two shuttles : en ru
  • US2021932A - Process of dyeing : en
  • AT143584B - Electric light bulb with two filaments to be used one after the other. : de en
  • DE622543C - Water column machine with reciprocating pistons arranged axially one behind the other : de en
  • GB439077A - Improvements in or relating to mechanical interlocking devices, particularly for electric switches and contactors : en
  • CA354462A - Pile fabric manufacture : en fr
  • SU45222A1 - Tool for starting and stopping the loom : en ru
  • SU45084A1 - Fluid meter : en ru
  • SU45230A1 - Method and device for wet lawn cleaning : en ru
  • US2021903A - Mercury condenser : en
  • AT143685B - Crank drives, in particular for bicycles. : de en
  • CA354343A - Tape-measure : en fr
  • DE622375C - Containers for toothbrushes or similar stick-like objects : de en
  • ES139478A3 - A method of manufacturing wool and steel shavings starting from strip. : en es
  • FR790632A - Improvements to disintegrators : en fr
  • US2022083A - Nursing bottle : en
  • US2022400A - Collapsible portable carriage : en
  • AT143714B - Automatically closing lid for containers to hold garbage u. like : de en
  • CA354367A - Bucket conveyer : en fr
  • US2022497A - Electrical appliance plug : en
  • USD97643S - Design for a table jointer : en
  • US2022578A - Quick reading viscosimeter : en
  • FR790886A - High voltage current generator for radiological use : en fr
  • ES139564A1 - Improvements in the methods to reproduce the matrices for phonograph records. : en es
  • GR5539B - AUTO EXTINGUISHING CIGARETTE. : el en
  • US2021975A - Method of and means for treating woven and the like fabrics and yarns : en
  • USD97656S - Design for a textile fabric : en
  • FR790780A - Electrical safety installation for railway level crossings : en fr
  • SU45042A1 - Method of using sulphite liquor as a binder for rod masses : en ru
  • SU45044A1 - Method of making rods (cones) : en ru
  • US2022058A - Power translating device : en
  • DE622524C - Electrically heated hob : de en
  • ES4231U - A piece with lower covering to build slabs (Machine-translation by Google Translate, not legally binding) : en es
  • ES4225U - Canvas guardamano. (Machine-translation by Google Translate, not legally binding) : en es
  • PL22274B1 - Method of dressing goose fur and other fleeces of 2 duck families. : en pl
  • SU45131A1 - The way to combat fungal disease of root vegetables : en ru
  • SU45001A1 - The method of increasing the accuracy of the readings of measuring instruments : en ru
  • SU45138A1 - Radiator for internal combustion engine : en ru
  • PL22238B1 - : en pl
  • SU44887A1 - Device for measuring the angle and direction of the curvature of the wells : en ru
  • CA354351A - Hedge trimmer : en fr
  • AT143621B - Process for the extraction of metals by reducing their compounds, especially those of an oxidic nature, with the aid of coal. : de en
  • AU2091835A - Improvements in or relating to annealing processes and furnaces : en
  • CH180933A - Process for the production of threads or fibers of a wool-like character from cellulose solutions. : de en
  • US2022156A - Art of printing : en
  • US2022570A - Ice safe : en
  • CA354349A - Holder for dispensing materials : en fr
  • CA354464A - Sash cord support : en fr
  • US2021954A - Traffic signal : en
  • AT143688B - Shock transmission device for the underframes of rail vehicles with central buffer coupling. : de en
  • CA354446A - Preselective speed gear : en fr
  • DE622293C - Metal vessel with ring closure : de en
  • USD97626S - Design for a gown : en
  • AT143625B - Process for the pretreatment of castings produced in permanent molds, in particular centrifugal cast pipes, for paints and other coatings. : de en
  • AT143794B - Circuit arrangement for connection transmissions in telegraph systems. : de en
  • US2022310A - Dating device for labeling machines : en
  • USD97619S - Design for an embroidered fabric : en
  • SU45194A1 - Adaptation to the outlet of the torsion boat to stop power when the thread breaks : en ru
  • CH181156A - Process for the production of a new textile auxiliary. : de en
  • AT143586B - Pilgrim roller caliber. : de en
  • CH181053A - Cylinder lubrication device on two-stroke internal combustion engines with pistons rotating in opposite directions. : de en
  • CH181129A - Device for closing a receptacle comprising a non-removable cap. : en fr
  • CH181039A - Rotary compressor with a cylindrical rotor mounted on both sides in a housing with a cylindrical bore eccentrically to the cylinder axis. : de en
  • DE622557C - Device for uniform cooling and hardening of the inner and outer surfaces of pipes : de en
  • CH181122A - Apparatus for producing vibrating light effects. : de en
  • SU44898A1 - Method of rolling wavy cylinders : en ru
  • SU45176A1 - Barrel valve allowing pouring of liquid under pressure and preventing the replenishment of extraneous liquid : en ru
  • US2021941A - Generator voltage regulator : en
  • US2022362A - Amateur motion picture camera : en
  • AT143732B - Shoe for feet with weak ankles. : de en
  • CH180940A - Seam, especially for connecting two pieces of fabric. : de en
  • SU45097A1 - The way to record sound on film : en ru
  • SU45243A1 - Device for reloading standard vessels or shchikov from one crew to another : en ru
  • AT143746B - Shortwave receiving device. : de en
  • CA354437A - Drum weir : en fr
  • DE577325C - Grating, cutting and chopping machine for vegetables, fruits u. like : de en
  • DE622465C - Process for the production of a firing base for porcelain mantle crowns : de en
  • GB438946A - A hinge for spectacle frames : en
  • GB439064A - Improvements relating to electric condensers : en
  • ES139762A3 - Vulcanization procedure for inner tubes for vehicle tires. : en es
  • CH181120A - Method and arrangement for synchronization of television receivers. : de en
  • SU44900A1 - Nailing machine : en ru
  • SU45238A1 - Electric transformer : en ru
  • US2022364A - Switch cover plate : en
  • US2022606A - Brown disazo dyes : en
  • AT143724B - Device for remote reading of instruments. : de en
  • AT143555B - Control for double-acting, flywheelless piston steam engines. : de en
  • CA354467A - Underground conduit : en fr
  • SU45070A1 - The method of manufacturing plastics : en ru
  • SU45192A1 - Device for reducing the thickness of the wire front : en ru
  • US2022523A - Air conditioning apparatus : en
  • US2022163A - Ophthalmic mounting : en
  • CH181028A - Lighter. : de en
  • CH180908A - Device for automatic spreading of ceramic masses from rotating plates. : de en
  • CH181144A - Collapsible motorcycle hood. : de en
  • US2022139A - Disinfecting and preserving agent : en
  • US2022247A - Arch support : en
  • PL22245B1 - Magnet-electric ignition device for internal combustion engines with the use of permanent magnets. : en pl
  • US2022033A - Heating system : en
  • US2022563A - Process and apparatus for the formation of channels in sheets of cardboard, corrugated cardboard, or the like : en
  • AT143684B - Floor brake. : de en
  • SU45174A1 - Propeller for airship : en ru
  • US2022359A - Control apparatus for railway switches : en
  • US2022391A - Method of making a textile fabric : en
  • SU45041A1 - The method of cooking rod (shyshelnoy) mass : en ru
  • CH180993A - Device for determining the movements of a point in space. : de en
  • AT143557B - Internal combustion engine. : de en
  • CH181058A - Starting device for internal combustion engines. : de en
  • CH181043A - Two-stroke internal combustion engine with a rotary fan. : de en
  • CH181127A - Support for soft metal tube with pasty content. : en fr
  • ES139278A1 - Improvements in the procedure with its corresponding device for molding the channels, conduits or similar. : en es
  • CH181090A - Lock device for gas pipes. : de en
  • GB438905A - Improvements in or relating to television, picture telegraphy and the like systems : en
  • SU45225A1 - Barrel Opening Device : en ru
  • AT143784B - Device for raising and lowering the upper feed rollers of saw frames. : de en
  • CH181081A - Installation with electric discharge device. : en fr
  • SU45118A1 - Cash dispenser : en ru
  • CA354447A - Printing press spraying device : en fr
  • CH181022A - Method and device for the production of masks from leather or leather-like synthetic materials in drawing molds. : de en
  • CH181162A - Process for the production of 1,2-diaminobenzene. : de en
  • AT143737B - Revenue device for coins or the like. : de en
  • CA354391A - Brake mechanism : en fr
  • US2022286A - Movable eye structure for figure toys : en
  • CH181157A - Process for the production of a new textile auxiliary. : de en
  • DE622307C - Folder register in which the folder backs are divided into fields in which markings that stand out against the surroundings are arranged : de en
  • DE622453C - Electric roller with built-in motor and gear train for rolling mills : de en
  • PL22272B1 - A method of manufacturing welded metal pipes and a device for this purpose. : en pl
  • DE622451C - Process for the production of oxide layers on aluminum and aluminum alloys : de en
  • GB439022A - Improvements in or relating to the manufacture of wallboard : en
  • US2022622A - Floor and beam construction : en
  • PL22237B1 - Device for preserving meat in pieces. : en pl
  • US2022357A - Radio-telephony system : en
  • US2022445A - Vending machine : en
  • SU45053A1 - The portable center with a removable cooking vat-thermos : en ru
  • AT143605B - Process for the production of high vacuum-tight metal vessels which are welded together from several parts, in particular for vacuum discharge devices, e.g. B. Mercury Vapor Rectifier. : de en
  • US2022157A - Nonrun knitted fabric : en
  • US2022470A - Process of making pectous material and product : en
  • CA354442A - Oscillation amplifying arrangement : en fr
  • CH181057A - Magneto. : de en
  • FR790708A - Safety device for trains : en fr
  • AT143788B - Cast crankshaft for internal combustion (diesel), steam engines, etc. like : de en
  • CH181125A - Tray for mountain bags. : en fr
  • DE622521C - Device for switching on and off the auxiliary phase winding of single-phase induction motors : de en
  • GB438926A - Improvements relating to filing cabinets : en
  • PL22257B1 - : en pl
  • CH180997A - Power converter. : de en
  • AT143665B - Process for the production of high quality tar products. : de en
  • DE622347C - Process for the production of hard metal alloys for work equipment and tools from tungsten carbide and an additional auxiliary metal : de en
  • SU45022A1 - The method of analysis of indaniline obtained from carbazole and n-nitrosophenol : en ru
  • SU45117A1 - Device for counting small items : en ru
  • US2022086A - Apparatus for the control of railway car retarders : en
  • SU45083A1 - Device for registration of fast flowing processes : en ru
  • US2022117A - Roentgen meter : en
  • PL22263B1 - Sterilizer for hairdressing and cosmetic instruments. : en pl
  • SU45111A1 - A device for solving many-body problems : en ru
  • US2021949A - Pigment dispersion : en
  • US2022025A - Composite tinsel strand : en
  • US2022487A - Apparatus for use in observing moving objects such as the web of a multicolor or other printing machine : en
  • DE622485C - piano : de en
  • CH181169A - Process for making reflex copies. : de en
  • BE411688A - : en
  • CA354378A - Barbituric acid : en fr
  • CA354465A - Scaffolding clamp : en fr
  • AT143792B - Telecommunication cable with compensation for electromagnetic crosstalk. : de en
  • IE13613L - Therapeutic preparations and cosmetics : en
  • CA354429A - Motor control system for grinders : en fr
  • CH181136A - Switching device for change gears, in particular for motor vehicles. : de en
  • CH180956A - Process for the preparation of alkyl derivatives of carbohydrates. : de en
  • SU44981A1 - Oil switch for remote control : en ru
  • US2022063A - Milk can : en
  • US2022590A - Building block : en
  • US2022604A - Safety device : en
  • CA354432A - Stable chocolat syrup : en fr
  • DE622308C - Process for the preparation of o-aminonaphthalenecarboxylic acids : de en
  • DE622472C - Device for the distillation of metals : de en
  • CA354375A - Paper container sealing apparatus : en fr
  • CH180963A - Process for the production of a vat dye. : de en
  • US2022173A - Heat transfer apparatus : en
  • AT143689B - Leaf spring. : de en
  • US2022065A - Therapeutic applicator device : en
  • US2022461A - Manufacture of cigarettes : en
  • US2021899A - Treatment of cheese : en
  • AT143603B - Furniture, in particular tubular steel chairs. : de en
  • DK50942C - Valve closure for Metal Container Cover. : da en
  • GB438800A - Method and apparatus for the manufacture of golf ball cores : en
  • GB439179A - Improvements in or relating to telegraphones and like magnetic recording devices : en
  • US2021901A - Cellulosic composition of matter containing an alkyl phosphate : en
  • US2022462A - Art and products of rubber manufacture : en
  • US2022621A - Bathing suit : en
  • SU44951A1 - Mechanically operated electric rail pedal : en ru
  • AT143659B - Process for preparing the feed to cement kilns. : de en
  • CA354348A - Safety device for drivers : en fr
  • FR790959A - Irregularly decorated products obtained from molding powder : en fr
  • DE622273C - Endless electrical power transmission element with particularly snug, large contact areas : de en
  • ES139766A1 - Improvements in the manufacture of food products based on milk and cocoa. : en es
  • US2021918A - Fluid meter : en
  • SU45241A1 - Method and device for indicating the end of action of oxygen cartridges : en ru
  • ES139705A1 - A gas scrubber for gas engines for explosion engines. : en es
  • FR790608A - Stepped sheets : en fr
  • FR790654A - Liquid dosing dispenser : en fr
  • FR790657A - Device for permanent or permanent waving : en fr
  • SU45048A1 - Method for preventing seizure of iron buckets : en ru
  • SU45168A1 - A device for numbering photographic prints : en ru
  • CH180971A - Ring knife for longitudinal cutting machines. : de en
  • IE13989L - Moulding artificial resins : en
  • AT143652B - Method and device for the production of rubber threads. : de en
  • AT143639B - Process for obtaining an adenosine phosphoric acid. : de en
  • GB438908A - Improvements in the manufacture of metal reflectors : en
  • GB438986A - Improvements in spinning rings : en
  • US2021926A - Treatment of waxes : en
  • US2022575A - Apparatus for transferring a cigar filler from the rolling device into the pressing mold : en
  • FR790629A - New method of manufacturing sandals and the resulting products : en fr
  • CA354430A - Stabilizing compound for chocolate mixtures : en fr
  • FR790975A - Improvements to machines for manufacturing continuous sheets with granular coating : en fr
  • CA354417A - Dyeing process for pelts, furs, etc. : en fr
  • DK50956C - Non-reflective Store Window or Display Cabinet. : da en
  • FR790949A - Progressive reduction gearbox : en fr
  • CH180967A - Process for the production of highly viscous, permanent adhesive or casting compounds, in particular for the treatment of road surfaces. : de en
  • ES139786A1 - A mechanism for the actuation of the needle and the oscillating thread guide of the sewing machines. : en es
  • GB438969A - Improvement relating to gloves : en
  • GB439113A - Improvements in or relating to display cabinets : en
  • CH181111A - Self-seller. : de en
  • AT143649B - Device for the detachable fastening of the incandescent element carrier on the head of an invert gas incandescent light burner. : de en
  • CH181128A - Packaging can. : de en
  • USD97614S - Design for a ventilator casing : en
  • DE622443C - Method and device for the production of kilim fabrics on handlooms : de en
  • GB439066A - Improvements relating to spectacles and eyeglasses : en
  • CA354355A - Grinding machine for paper pulp : en fr
  • CA354395A - Transformer : en fr
  • CA354345A - Bulb socket lock : en fr
  • CH180947A - Machine for processing shoe soles. : de en
  • ES139673A1 - A procedure for the production of a motor fuel. : en es
  • US2022040A - Brake lining testing machine : en
  • US2022079A - Motor vehicle : en
  • AT143598B - Backless chair with a folding seat board and a wash bowl in an intermediate cover. : de en
  • US2021900A - Pick : en
  • US2021952A - Freight loading and unloading device for vehicles : en
  • US2022616A - Chlorinating ethylene hydrocarbons : en
  • US2022281A - Hotbed : en
  • GB439130A - Improvements in or relating to tensioning devices for electrical conducting cords or the like : en
  • GB439243A - An improved method of evacuating vessels, more particularly lamp bulbs : en
  • ES139693A3 - Treatment to obtain hydrochloric, nitric or carbonic acids, and alternatively alkali sulfates and alumina. : en es
  • FR790676A - Forced transverse ventilation process particularly applicable to vehicles : en fr
  • US2022472A - Molded articulated article : en
  • FR790907A - Pile of steel or reinforced concrete : en fr
  • GB438983A - Improvements in safety switch devices for electrically heated apparatus : en
  • GB438924A - Improvements in or relating to boilers for heating water : en
  • ES4221U - Wall calendar. (Machine-translation by Google Translate, not legally binding) : en es
  • DK50938C - Vending machine for Stamps, Savings Stamps and similar Stamps. : da en
  • US2022495A - Sound recording apparatus : en
  • SU45099A1 - Protective glasses : en ru
  • GB439151A - Improvements in differential pressure gauge tubes : en
  • FR790697A - Device for fuel injection in internal combustion engines : en fr
  • GB438930A - Improvements in stuffing box packings : en
  • GB439076A - Improvements in or relating to liquid spraying devices : en
  • GB438953A - An improved method of constructing reinforced concrete floor, ceiling and like slabs : en
  • ES139069A3 - Procedure for printing matt rayon fabrics. : en es
  • DE622495C - Boiler system with dining area storage tank : de en
  • ES139758A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • FR790977A - Parcel rack : en fr
  • GB438985A - Improvements in straining, securing and severing devices for wire bale and other package ties : en
  • GB439099A - Improvements in and relating to the casting of light metal pistons : en
  • DE622471C - Process for the production of halogenation products of rubber and similar substances : de en
  • GB438928A - Improvements in road rollers : en
  • DE622336C - Press box on scrap baling presses and baling presses : de en
  • USD97621S - Design for a textile fabric : en
  • SU44931A1 - The method of producing cyclohexanecarboxylic acid alhydride : en ru
  • USD97628S - Design for a textile fabric : en
  • US2022045A - Brake : en
  • US2022544A - Rail bond : en
  • PL22304B1 - Cathode lamp. : en pl
  • GB439119A - Improvements in or relating to pressure lamps and stoves : en
  • GB438840A - Improvements in and relating to casings for construction of concrete walls and the like : en
  • GB438862A - Improvements in reciprocating or turbine internal combustion engines : en
  • SU44894A1 - Mining harvester : en ru
  • US2021914A - Refrigerator latch : en
  • US2022355A - Discriminating clamp actuating mechanism : en
  • USD97598S - Design for lace : en
  • DE622419C - Hydraulic weighing device in which the load acts on several individual scales : de en
  • GB438921A - Improvements in or relating to mechanism for producing intermittent motion : en
  • BE411982A - : en
  • CH181085A - X-ray system. : de en
  • AT143715B - Storage heater with solid packing. : de en
  • USD97591S - Design for a textile fabric : en
  • CH181130A - Tube. : de en
  • CH180959A - Process for the preparation of an azo dye. : de en
  • CA354390A - Spring seat : en fr
  • CH181018A - Apparatus for flaring pipes. : de en
  • BE412030A - Improvements to armored spark plugs : en fr
  • DE622283C - Suction box covering for paper machines : de en
  • PL22306B1 - Shortest wave cathode ray tube. : en pl
  • US2021970A - Fruit and vegetable peeler : en
  • US2021991A - Apparatus for the treatment of pigments : en
  • US2022410A - Textile process : en
  • US2022353A - Film magazine : en
  • US2022424A - Arrangement on double twist twisting spindles : en
  • US2022116A - Warm air furnace : en
  • ES139680A1 - Procedure for obtaining unsaturated pregnanodiones. : en es
  • FR790878A - Method of manufacturing a magnetizable material for high frequency devices, in particular for the cores of high frequency coils : en fr
  • US2022530A - Treatment of abrasive tools : en
  • USD97610S - Design for a shoe : en
  • USD97648S - Design for a trailer : en
  • PL22291B1 - The circuit of connecting the regulator's switch with the regulator of the generator connected to the receiving network and the battery bank. : en pl
  • SU45076A1 - A method of making grids to optical devices for observation with a dark field : en ru
  • US2022371A - Machine for making paper box blanks : en
  • US2022635A - Printing press : en
  • SU45162A1 - Method for producing purified low viscosity fiber for the production of cellulose ethers and esters : en ru
  • AT143718B - Devices for displaying announcements, etc. like : de en
  • PL22259B1 - Device for closing the end of the cable, especially a transitional end sleeve for long distance telecommunication cables. : en pl
  • CA354420A - Electric storage cooker : en fr
  • AT143591B - Material feed device for filling scales. : de en
  • AT143611B - Protective bell for valves to be installed below street level. : de en
  • AT143680B - Motor vehicle with a car body which also forms the chassis frame. : de en
  • CH181037A - Lubricator on washing machines and the like with motor drive : de en
  • DE622380C - Track scales with a stop device for the vehicle in its weighing position : de en
  • FR790619A - Further training in aircraft engines with supply fan and additional compressor : en fr
  • FR790945A - Process for preparing olefin polymerization products : en fr
  • US2022138A - Jarring tool : en
  • PL22254B1 - The method of securing items made of wool or fibrous material, especially lined items, against deformation. : en pl
  • SU45033A1 - Mechanical nozzle : en ru
  • SU45088A1 - Automatic scales with vertically suspended swing bucket divided into two parts : en ru
  • US2022331A - Lacquer : en
  • US2022643A - Booster pump for windshield cleaner systems : en
  • US2022442A - Valve actuating means : en
  • CH180948A - Machine for cleaning grain. : de en
  • US2022332A - Air conditioning heating cabinet : en
  • US2022608A - Method of and apparatus for making sanitary pad shields : en
  • SU45207A1 - Loading device for root crops and the like : en ru
  • US2022402A - Apparatus for demonstrating reflecting properties of surface finishes : en
  • DE622346C - Process for the production of colorless titanium dioxide-containing glasses with a high refractive power : de en
  • DE622479C - Plain bearings with spherically designed sliding surfaces : de en
  • GB438867A - A method of manufacturing a liquid-tight winding for electric motors : en
  • AT143687B - All-terrain vehicle, in particular all-terrain motor vehicle. : de en
  • DE622321C - Device for monitoring the synchronous operation of the locks of image measuring chambers when taking pictures by means of several serial image measuring chambers set up separately from one another : de en
  • SU44960A1 - Apparatus for reducing interference with reception of wireless telegraph stations : en ru
  • SU45167A1 - Method of displacing one shot by another : en ru
  • SU45043A1 - Method of using sulphite-cellulose liquor as a binder for rods : en ru
  • DE622315C - Device for changing the elliptical shape of the cross-section of the chest into a very circular shape : de en
  • US2022316A - Metallic inlay decoration for spectacle cases : en
  • DE622433C - Disc wheel, belt pulley or the like. : de en
  • DE622360C - Device for the direct joining of supplements with the products manufactured in a high-pressure rotary machine with multiple outputs : de en
  • GB438791A - Improvements in and relating to moving coil voltage regulators : en
  • SU45127A1 - Machine for calibrating fruits, vegetables, etc. : en ru
  • FR790794A - Improvements to telegraph devices such as baudot : en fr
  • FR790721A - Transportable display case that can be heated or cooled : en fr
  • GB439146A - Improvements in or relating to means for transmitting synchronising signals in television : en
  • GB439127A - Improved mechanism for operating sliding windows and shutters : en
  • ES139730A1 - A process for manufacturing a photosensitive layer. : en es
  • DE622284C - Control unit for hydraulic brake systems in aircraft : de en
  • DE622577C - Process for the production of asbestos seals, in particular It panels with galvanic coating : de en
  • CA354412A - Isobutylene polymer production : en fr
  • SU45032A1 - Mechanical nozzle : en ru
  • ES138714A1 - A procedure for obtaining a botafuego of direct inflammation. : en es
  • ES139633A2 - IMPROVEMENTS IN THE FILTERS OF THE DEVICES TO PROTECT BREATH AGAINST AEROSOLS, OBJECT OF THE PATENT OF INVENTION : en es
  • ES2798Y - Visible file. : en es
  • ES4181U - A new heater for permanent wave devices (Machine-translation by Google Translate, not legally binding) : en es
  • FR790800A - Anchor nail : en fr
  • FR790758A - Tube for wire winding : en fr
  • GB438968A - Improvements in or relating to internally sprung wheels for aircraft : en
  • FR790682A - Automatic signaling of the approach of trains at level crossings, by a light and sound device, placed on the roads near the level crossings : en fr
  • FR790783A - Improvements to electric cables : en fr
  • ES139713A1 - Extendable table for molding and immediate demoulding of solid or hollow parts, reinforced concrete or not. : en es
  • US2022030A - Signaling system : en
  • US2022175A - Instrument panel : en
  • ES139963A3 - TREATMENT FOR THE OBTAINING OF HYDROCHLORIC, NITRIC OR CARBONIC ACID, AND, SUBSIDIARILY, OF ALKALINE SULPHATES AND ALUMIN : en es
  • DE622464C - Process for the preparation of dyes and dye intermediates : de en
  • ES139568A3 - A mechanical procedure for wrapping twisted wrappers. : en es
  • ES139585A1 - A toy carabiner. : en es
  • FR790768A - Electric discharge tube : en fr
  • GB438918A - Improvements in apparatus for filling golf ball cores or centres : en
  • GB439061A - An improved storage rack for textile bobbins and other articles : en
  • GB439062A - Improvements in or relating to bottle closures : en
  • DE622390C - Rangefinder for photographic use : de en
  • ES4196U - Tap tap. (Machine-translation by Google Translate, not legally binding) : en es
  • US2022273A - Self-opening die-head : en
  • US2022525A - Reenforced hose coupling construction : en
  • US2022627A - Educational device : en
  • US2022629A - Liquid dispensing apparatus : en
  • SU45166A1 - Method of displacing one shot by another : en ru
  • US2022368A - Ironing machine : en
  • CH181110A - Display work on cash registers. : de en
  • CA354336A - Coin holder : en fr
  • FR790692A - Improvements to bottles or other containers : en fr
  • GB439073A - Improvements in stopper or closure devices for bottles and like vessels : en
  • CH181155A - Process for the preparation of a phenylated compound. : de en
  • US2022378A - Metal digester having a corrosion resistant metal lining : en
  • FR790804A - Process for the production of saccharates : en fr
  • CH180890A - Method and apparatus for sorting fertilized chicken and other poultry eggs. : de en
  • AT143692B - Connection of the transverse springs or links that form the front axle, one above the other, with the steering pin holders by means of hinge pins, especially for motor vehicles. : de en
  • ES139781A3 - Improvement in the manufacturing process of sheet metal wheels for automobiles. : en es
  • FR790638A - New advanced device for hank dyeing : en fr
  • FR790909A - Sound diffuser device for loudspeakers : en fr
  • AT143670B - Egg incubator with fresh air preheater heated by the incubation air. : de en
  • US2022150A - Method of and apparatus for treating ballast : en
  • SU44955A1 - Image line scanning method : en ru
  • PL22251B1 - Pipe conduit. : en pl
  • US2022628A - Profile gauge : en
  • PL22324B1 - A darning device with a sewing machine. : en pl
  • AT143699B - Tensioning and locking device for snow chains. : de en
  • GB439039A - Improvements in or relating to cutter mechanisms for the webs of printing presses : en
  • GR5532B - ABSORPTION PROVISION FOR PROTECTIVE PERSON AGAINST GASES. : el en
  • CH180918A - Fluff. : de en
  • DE622372C - Powder preparation : de en
  • PL22279B1 - Rotary kiln for firing cement or similar materials. : en pl
  • SU45187A1 - Thermal relay : en ru
  • US2022345A - Card table : en
  • PL22280B1 - A method of absorbing nitrogen oxides from gases containing these oxides and oxygen, possibly with simultaneous production of ammonium salts. : en pl
  • SU44956A1 - Device for turning on the photocell : en ru
  • CH181029A - Pipeline reinforced by an inner tube. : de en
  • US2021965A - Tire cover : en
  • SU45075A1 - Altimeter : en ru
  • US2022291A - Shaft mounting : en
  • US2022518A - Electric heater : en
  • DE622299C - Plywood middle layer glued like parquet : de en
  • DE622342C - Device for the production of resitols : de en
  • GB438931A - Improvements in or relating to a machine for making pile fabrics : en
  • US2022374A - Manifolding device for typewriters : en
  • AT143619B - Preparations for soldering, welding or metallizing metals. : de en
  • CH181104A - Apparatus for creating permanent waves. : de en
  • SU44911A1 - Binding Machine : en ru
  • SU45242A1 - Exhaust machine for spinning machines : en ru
  • US2022158A - Hose grip : en
  • US2022195A - Printing device : en
  • PL22301B1 - Sealing piston ring. : en pl
  • US2022224A - Piston : en
  • AU2179735A - Improvements in card cabinets : en
  • CH181177A - Procedure for starting diesel locomotives with direct drive. : de en
  • ES139702A1 - Procedure for obtaining oxyethone C19H30O2, with activity of the sex gland hormones. : en es
  • FR790610A - Conduct : en fr
  • FR790787A - Hydrocarbon treatment process : en fr
  • US2022571A - Method of producing bimetallic strips : en
  • PL22253B1 - The screw does not loosen by itself. : en pl
  • CH180925A - Clothes rack. : en fr
  • CH181025A - Copy machine tool. : de en
  • AT143608B - Process for the production of seamless metal pipes. : de en
  • CA354444A - Salt dissolving apparatus : en fr
  • DE617501C - Freewheel hub with back pedal brake : de en
  • DE622349C - Reflex camera : de en
  • BE411632A - : en
  • ES4195U - New meshes for defense of curves and road straights (Machine-translation by Google Translate, not legally binding) : en es
  • GB438799A - Combined volume control and switch unit : en
  • GB438820A - Process for the manufacture of ª‰-bromethylbenzene : en
  • GB438871A - Improvements in and relating to inverter systems : en
  • CH181051A - Fuel injection pump for internal combustion engines. : de en
  • DK50950C - Office printing press. : da en
  • SU44889A1 - Electric drill corner : en ru
  • SU45045A1 - Machine for the regeneration of molding materials : en ru
  • SU45126A1 - Method of fertilizing soil structure : en ru
  • SU45005A1 - The method of obtaining a solid insulating layer on the plates of a capacitor : en ru
  • SU45154A1 - Adaptation to automatic turret machines for jamming noise in the chute : en ru
  • US2022042A - Fishing reel : en
  • US2022249A - Vacuum cleaner : en
  • US2022370A - Braking apparatus : en
  • US2022077A - Pneumatic dispatch apparatus : en
  • US2021919A - Water treating apparatus : en
  • CH181132A - Device for transporting boxes and the like. : de en
  • AT143679B - Connection for the wooden parts of curved or round bodies, such as boats, barges, pontoons or the like. : de en
  • AT143757B - Electrolytic capacitor. : de en
  • DE622356C - Process for the production of bleaching substances, in particular bleaching earth : de en
  • DE622497C - Differential protection device against short circuit and earth fault for parts of an electrical system : de en
  • GB439141A - Improvements in or relating to the manufacture of sweetstuffs : en
  • AT143702B - Holding device for the supply of pressure medium to a container, in particular in the case of compressed air brake devices for motor vehicles. : de en
  • AT143713B - Storm protection for undercarriages moving in a certain path, especially loading bridges and the like. like : de en
  • SU44940A1 - Method of Annealing or Normalizing Steel : en ru
  • US2022365A - Work guide and withdrawal regu : en
  • CH181066A - Induction regulator. : de en
  • GB439235A - Improvements in the treatment of artificial filaments, threads, yarns, fabrics and the like : en
  • AT143613B - Box lock with lifting latch that can be used on the right and left. : de en
  • AT143707B - Hopper firing. : de en
  • AT143799B - Razor. : de en
  • FR790965A - Plant for the treatment of salt water : en fr
  • GB439101A - Improvements in vehicle bogie construction : en
  • BE411607A - : en
  • CA354334A - Door fastener : en fr
  • CA354364A - Gas exhauster : en fr
  • US2022082A - Die for two-roll corrugating machines : en
  • US2022259A - Solvent extraction of petroleum distillates : en
  • US2022344A - Automobile body construction : en
  • CA354413A - Isobutylene polymerization product : en fr
  • CH181077A - Mercury switch. : de en
  • CH180927A - Sieve and strainer for tilting kettles in military kitchens, for military cooking boxes, etc. : de en
  • US2022015A - Window assembly for an automotive vehicle : en
  • SU45102A1 - Micromanometer : en ru
  • CA354452A - Pole cross-arm gain : en fr
  • US2022335A - Rotary garden rake and cultivator : en
  • US2022558A - Preparation of doctor solutions : en
  • CH180913A - Safety fastening mechanism for vehicle wheel. : en fr
  • CH180983A - Scaffolding for the formation of a Christmas tree from branches. : de en
  • DE622344C - Three-phase transformer with five-legged core : de en
  • DE622326C - Erase device for counters of calculating machines, adding machines, etc. like : de en
  • DK50951C - Light dynamo for Bicycles. : da en
  • DE622460C - Heavy-duty fuse with fluid movement : de en
  • GB438866A - Bands of paper, folded and impregnated which can be reinforced or not : en
  • ES139579A1 - Improvements in the construction of vehicle boxes. : en es
  • US2022110A - Coin-operated electric switch : en
  • SU45030A1 - Method and apparatus for the preparation of rosin soap : en ru
  • GB438815A - Improvements in or relating to ventilating systems for vehicles : en
  • ES139764A3 - Preparation procedure of cord fabrics for the manufacture of tires. : en es
  • ES4204U - Sprocket for metal lattice manufacturing machine. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790601A - Removable mounting system for electric accumulator plates on their assembly comb : en fr
  • FR790641A - Method and device for making ice cream : en fr
  • GB438976A - Improvements in roundabouts : en
  • CH181062A - Refrigerant compressor. : de en
  • DE622427C - Wheel axle for vehicle trailers : de en
  • FR790964A - Process and machine for continuous bag making : en fr
  • GB439050A - Improvements in or relating to electro-optical devices for controlling light : en
  • GB439067A - Switching arrangements in automatic telephone systems : en
  • US2022642A - Suction generating system : en
  • GB439155A - Improvements in rotary pumps : en
  • ES139616A1 - Improvements in oil or other liquid spouts. : en es
  • FR790672A - Fuel pump for internal combustion engines with gear shifting and airless fuel injection : en fr
  • FR790828A - Method for manufacturing guipures, and device for implementing this method on so-called bobbin looms : en fr
  • CH181135A - Leaf spring for motor vehicles. : de en
  • US2022122A - Tire cover : en
  • USD97657S - Design for a mowing monoplane : en
  • US2021907A - Method of and apparatus for producing images of objects : en
  • US2022070A - Lock : en
  • US2022614A - Stable halogen derivatives of caoutchouc and a process of preparing same : en
  • GB439040A - Improvements relating to friction clutches : en
  • FR790650A - Telegraph apparatus printing characters directly, using the same sign for two different groups of characters : en fr
  • US2021963A - Display machine : en
  • US2022004A - Paper sizing : en
  • US2022246A - Spray composition : en
  • DE622458C - Method for suppressing the superimposed vibrations between the carrier of the transmitter to be received and that of an interfering transmitter : de en
  • DE622385C - Free running sewing machine hook : de en
  • GB439152A - Improvements in or relating to electrical condensers having slow motion drives : en
  • GB439172A - Improvements in or relating to apparatus for playing games or for instructional purposes : en
  • USD97613S - Design for a shoe or similar article : en
  • DE622547C - Tinning process for copper wire : de en
  • ES4176U - A new heavy oil burner (Machine-translation by Google Translate, not legally binding) : en es
  • GB438845A - Improvements in clinching tools for belt fasteners : en
  • US2022369A - Hypodermic syringe cartridge : en
  • ES139700A1 - Liquid measuring and dispensing apparatus, especially lubricating oils. : en es
  • ES2964Y - Dropper bottle. : en es
  • ES139684A1 - PROCEDURE FOR OBTAINING NON-SATURATED PREGNANODIONES : en es
  • USD97647S - Design for a liquid pump : en
  • FR790844A - Automatic track block with signaling lamps and locking or with semaphore arms : en fr
  • US2022639A - Reflecting device for highways : en
  • SU45159A1 - Thermostat for mass processing of dairy products, for example, yogurt in glasses : en ru
  • CH180961A - Process for the preparation of an azo dye. : de en
  • PL22255B1 - Bearing bushing for high pressures, especially for rolling mill bearings. : en pl
  • SU44967A1 - Vernierna transmission : en ru
  • US2022104A - Hood latch : en
  • USD97625S - Design fob a lamp base ok : en
  • CA354400A - Loom mechanism : en fr
  • CH180951A - Process for the production of a rice-like product from wheat. : de en
  • FR790868A - Improvements in beer drawing by means of gas pressure : en fr
  • DE622374C - Device for producing hair waves by means of hot air : de en
  • PL22207B1 - Method of producing metals and alloys poor in weight. : en pl
  • DE622333C - Flow regulator for gases : de en
  • DE622568C - Device for nursing with a device for insulation against heat or cold : de en
  • DK50935C - Reaction backrest for bicycle saddles. : da en
  • FR790678A - Coffee or teapot : en fr
  • FR790759A - Device for achieving fuel savings in the carburetors of internal combustion engines : en fr
  • US2022013A - Noiseless stop : en
  • US2022179A - Toy vehicle : en
  • FR790919A - New radiant body system : en fr
  • ES138979A1 - Tilting device. : en es
  • FR790696A - Wire and small iron rolling mill : en fr
  • FR790933A - Improvements to voltage regulators for electric lighting installations of vehicles running on roads and rails : en fr
  • DE622387C - Method and device for producing folding grooves in paper containers : de en
  • DE622384C - Lockstitch sewing machine for sewing welding leather in hats : de en
  • GB438555A - Improvements in and relating to the treatment of vulcanised rubber : en
  • DE622456C - Arrangement to prevent interference and the like Like. When receiving frequency-modulated vibrations : de en
  • PL22209B1 - Kl.-re-TT-E A truss bridge with tubular rods. : en pl
  • ES139753A1 - A new procedure for the suppression of the so-called background noises that accompany sound recorded photographically in sound films. : en es
  • GB438884A - Improvements in and relating to decorative panels or the like : en
  • CH181002A - Watch with protective case. : en fr
  • DE622388C - Circular knife with several knife discs for cutting rags, paper, wool or the like. : de en
  • DE622513C - Circuit to regulate the gain of a pipe : de en
  • US2022322A - Coated absorbent materials and apparatus for producing the same : en
  • US2022343A - Pouring means for canisters : en
  • US2022467A - Process of making soluble coffee and product : en
  • US2022597A - Shoemaker's last : en
  • SU44890A1 - Cutter saw : en ru
  • FR790873A - Non-detonating fuel : en fr
  • GB438911A - A new or improved portable sleeping hut : en
  • GB439139A - Device for applying liquid adhesive to paper and similar materials : en
  • SU44953A1 - Device for combining call signs in distress alert transmitters : en ru
  • SU45123A1 - Adaptation to self-throwing headers to control the action of the rake column : en ru
  • US2022049A - Signaling apparatus : en
  • CH181121A - Device to draw the audience's attention to the sale of a specific product. : de en
  • CA354421A - Kitchen utility device : en fr
  • AT143743B - Ring mechanism. : de en
  • US2022376A - Means for transporting vehicles and the like : en
  • US2022265A - Water closet flush bowl : en
  • US2022444A - Hosiery : en
  • AT143729B - Recovery method and device. : de en
  • CH181038A - Winch with automatic stop device. : en fr
  • CH181048A - Magneto ignition. : en fr
  • PL22226B1 - Hardening agent for steel or similar alloys. : en pl
  • DE622525C - Process for the production of paints, films and plastics : de en
  • ES139514A1 - A process of preparing artificial dispersions of gum, gutta-percha or similar materials. : en es
  • FR790615A - Process for fractionating hydrocarbon mixtures containing hard or soft paraffin and optionally asphalt : en fr
  • ES139642A1 - An egg incubator machine. : en es
  • SU45181A1 - Method of making vulcanite bond grinding wheels : en ru
  • US2022034A - Transmission mechanism : en
  • US2022124A - Tire cover : en
  • US2022126A - Beaded tire cover : en
  • DK50933C - Sealing for Pipelines by Implementing These Through Walls and Floor Separations. : da en
  • GB439013A - Improvements in or relating to furnaces for melting glass : en
  • SU45046A1 - A sump for cleaning hot water in water heating systems : en ru
  • US2022327A - Apparatus for the comparison of colors : en
  • US2022452A - Direction measuring device : en
  • US2022611A - Means for regulating internal combustion engines : en
  • SU44913A1 - Method of cooling down steam locomotives : en ru
  • US2022087A - Deflector for automobiles : en
  • US2022463A - Air conditioning apparatus : en
  • US2022531A - Fuse for an electrically heated device : en
  • US2022598A - Safety razor : en
  • PL22232B1 - A set of partition guides in mixers and similar devices. : en pl
  • DE622398C - Method for the extraction of driving tools hammered into a workpiece : de en
  • FR790845A - Device for fixing a plate or a nozzle in a wall made of wood or similar material : en fr
  • FR790908A - Soft, non-deformable collar : en fr
  • GB439031A - Independent front wheel springing system : en
  • SU45184A1 - Scissors : en ru
  • GB438944A - Improvements in or relating to coffee or tea boiling appliances : en
  • DE622512C - Soft key device for multi-stage, modulated transmitters : de en
  • GR5531B - METHOD FOR THE quarantine U. bleaching oils, fats (GLYKERITHION) AND FATTY ACIDS TAKING during any EX oilseed oils, AMORGISKAI EC oil portions downstream SKIN wrist (PETITS Barts) having OIANDIPOTEOX .. : el en
  • GR5533B - METHOD OR PROVISION FOR THE PROTECTION OF ELECTRODIONS OF CONTINUOUS OPERATION. : el en
  • SU45047A1 - Tool for producing steel ingots with reduced shrinkage shells : en ru
  • US2021953A - Cementing apparatus : en
  • US2022607A - Tree container : en
  • BE411722A - : en
  • US2022569A - Grinding of rotating eccentric knives : en
  • US2022576A - Rubber tractor lug : en
  • USD97651S - Design fob an embroidered fabric : en
  • ES139793A3 - Improvements in the manufacture of respiratory filters applicable to gas masks. : en es
  • DK50932C - Automatically acting Shut-off device for the Circulation Pump's Bypass line for pump-operated Hot water heating systems. : da en
  • SU45180A1 - Tool for feeding grinding material and grinding machines for glass stoppers : en ru
  • SU44933A1 - Mode of emission of unsaturated esters : en ru
  • SU45148A1 - Composite casing for heat insulation of pipe flange : en ru
  • US2021910A - Preparation of calcium sulphate : en
  • FR790631A - Protection device for electrical circuits : en fr
  • FR790782A - Garment suitcase : en fr
  • US2022131A - Combination fender well tire holding and covering means : en
  • US2022473A - Method of rerecording sound : en
  • AT143582B - Fastening device for stacks of sheets of calendars, writing pads and the like like : de en
  • CA354451A - Piston ring expander : en fr
  • GB439075A - Improvements in power-operated gear shifting mechanism : en
  • US2022403A - Filter : en
  • US2021917A - Azo dye and method for its preparation : en
  • AT143777B - Woodhouse. : de en
  • AT143716B - Closure for all kinds of containers. : de en
  • US2022514A - Wave signaling system : en
  • US2022557A - Package tie : en
  • CA354414A - Antiknocking fuel : en fr
  • PL22256B1 - A piston machine with a stainless cylinder interior and stainless moving parts. : en pl
  • SU45172A1 - Piston one-valve concrete pump : en ru
  • SU44896A1 - Bunker dosing device from skip hoist : en ru
  • US2022401A - Shirt collar support and protector : en
  • US2022304A - Grease retainer : en
  • SU45094A1 - Sound Recording and Playback Method : en ru
  • BE411585A - Production process of monoazo dyes : en fr
  • CA354376A - Scroll case for turbines : en fr
  • SU44915A1 - Method for concentrating salt solutions without external heat approach : en ru
  • US2022053A - Combined telephone and telegraph system : en
  • US2022072A - Padded sample card : en
  • FR790691A - Iron staircase : en fr
  • GB439128A - Process for the treatment of waxes, fats, or mixtures of higher fatty acid esters, or of higher alcohols : en
  • DE622376C - Suction head for an electrically operated vacuum cleaner with a movable suction mouthpiece : de en
  • AT143693B - Vehicle, in particular motor vehicle trailer, with double tires. : de en
  • SU45037A1 - Device for cutting high heel and double trace filaments on circular beaters : en ru
  • USD97592S - Design fob a planting bar : en
  • DE622544C - Device for parallel guidance of a working table or dividing head of a knife star dough dividing and forming machine that can be moved in a horizontal plane : de en
  • FR790756A - Plane bomb to destroy a submerged submarine : en fr
  • FR790826A - Temperature exchanger device for tubular systems : en fr
  • AT143623B - Manufacture of objects that must be resistant to attack by decarburizing gases, especially at high temperatures and pressures. : de en
  • AT143641B - Process for the preparation of urea or thiourea derivatives. : de en
  • CH181103A - Disinfection method. : de en
  • ES139760A3 - Method of manufacturing variously shaped rubber strips, respectively, seamless rubber tubes. : en es
  • GB439018A - Improvements in apparatus for drying webs of fabric : en
  • USD97637S - Design fob a shoe ob similar article : en
  • ES4230U - Ripple or hair curler. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790953A - Shoe midsole : en fr
  • SU45008A1 - The method of obtaining a silver raster of cesium photocell : en ru
  • US2021905A - Railway crossing : en
  • US2022494A - Process of preparing mono and di-glycerides : en
  • SU45066A1 - Chlororodine polymerization method : en ru
  • US2022257A - Apparatus for making electric fish wire : en
  • US2022214A - Expanding support for casting cores : en
  • US2022109A - Paste tube outlet : en
  • AT143798B - Double basins for washing purposes. : de en
  • CA354469A - Electro-optical transmission system : en fr
  • ES4200U - Sprayer for perfumes and other liquids. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790714A - : fr
  • AT143597B - Drawing device. : de en
  • ES139666A1 - DICTATING MACHINE : en es
  • US2022217A - Method for securing and tensioning resilient spokes for wheels provided with a suspended hub : en
  • US2022347A - Ball bearing skate wheel : en
  • US2022385A - Latch : en
  • CA354399A - Two-stroke cycle engine : en fr
  • CH180892A - Insulating insert in buildings. : de en
  • SU45002A1 - A method of measuring the time of ignition of a thyratron : en ru
  • US2021890A - Nose pad for eyeglasses and method of making same : en
  • US2022324A - Tank vehicle for transporting fluids : en
  • US2022447A - Radio apparatus : en
  • SU45007A1 - X-ray tube feeder : en ru
  • SU45188A1 - Device for signaling the shutdown of electrical installations, such as transformers : en ru
  • US2022330A - Synchronous telegraver system : en
  • CA354424A - Extrusion device : en fr
  • CH181045A - Two-stroke internal combustion engine. : de en
  • AU206608B2 - Improvements in or relating to multi-storey buildings : en
  • CH180968A - Device for collecting the matches periodically removed from the support means of a complete match machine. : de en
  • US2022534A - Vapor discharge device : en
  • SU44917A1 - Filtration rate regulator : en ru
  • SU45217A1 - Automatic chlorinator for chlorination of water in open water : en ru
  • US2022060A - Acoustic device : en
  • US2022554A - Shoe : en
  • USD97601S - Design fob an air propeller for : en
  • AT143602B - Device for transferring the movement of one part to another part without the use of mechanical connecting means. : de en
  • AT143574B - Electric discharge tube. : de en
  • CA354340A - Mercurial pressure gauge : en fr
  • CH181052A - Pistons for internal combustion engines. : de en
  • DE622483C - Process for the production of ball or roller bearing rings, spring washers or the like. : de en
  • DE622533C - Device for regulating the ignition of internal combustion engines : de en
  • US2022016A - Apparatus for straining liquids or gases : en
  • ES4217U - Device for tensioning prestressed reinforced concrete reinforcements (Machine-translation by Google Translate, not legally binding) : en es
  • GR5537B - NUMERICAL GAME OF FRIENDSHIP, COMBINING ALL THE LUCKY GAMES, SPORTS MATCH AND CHILDREN AS A SCHOOL COMPETITION. : el en
  • AU2019034A - Improvements in or relating to modulated carrier wave receivers : en
  • GB438999A - Improvements in and relating to pile drivers : en
  • GB439104A - Improvements in lecher-wire systems : en
  • DK50940C - Switching system for Number and Letter signals. : da en
  • AT143750B - Hot cathode tube with an indirectly heated flat cathode. : de en
  • US2022303A - Placer mining machine : en
  • US2021916A - Brake arrangement : en
  • CA354386A - Integral elbow : en fr
  • CA354461A - Hydraulic mechanism for tools : en fr
  • AT143609B - Device for grinding tenons, cams, etc. : de en
  • AT143660B - Method and device for the production of tar-free gas from wood or other water-containing fuels suitable for operation with explosion engines with strongly changing loads. : de en
  • CA354443A - Convertible garment : en fr
  • SU45165A1 - Fixture for automatic opening and closing of the shutter : en ru
  • US2022602A - Trolling lead : en
  • US2022227A - Lighter construction : en
  • USD97589S - Design for a shoe : en
  • CA354455A - Telegraph tape transmitter : en fr
  • CH180989A - Rifle scope. : de en
  • DK50936C - Security and Key to Lock. : da en
  • FR790904A - Improvement in the processes and devices for the electrical recognition of land intersected by a borehole : en fr
  • CH180936A - Unwinding spindle for weft winding machines. : de en
  • FR790612A - Electric adjustment device : en fr
  • FR790997A - Surgical suture pliers : en fr
  • CA354433A - Welding method : en fr
  • CH181173A - Fluid change gear, which has at least one propeller wheel each for the pump and for the turbine. : de en
  • GB438947A - Improvements in pneumatic fender tool : en
  • CH180904A - Shovel for snow removal. : en fr
  • CH181024A - Plant for the transformation of an aqueous substance into a dry powder. : en fr
  • PL22335B3 - A device for automatic determination of shot elements when shooting at moving targets in the air or on the ground. : en pl
  • US2022166A - Tank unloader for harvesters : en
  • US2022546A - Power hammer : en
  • CH180926A - Holder for storing hosiery and other linen. : de en
  • CH180957A - Process for the production of acetylbenzoyl peroxide. : de en
  • US2022012A - Manufacture of alums : en
  • SU44903A1 - Adaptation to the press to obtain rolling fiski, forming a knife blade : en ru
  • ES139583A2 - IMPROVEMENTS IN THE APPROPRIATE MEANS TO WORK FOOTWEAR PARTS, OBJECT OF THE MAIN PATENT : en es
  • US2022205A - Apparatus for the treatment of immiscible liquids : en
  • USD97636S - Design for lace : en
  • PL22235B1 - Tobacco slicer with rotary knives. : en pl
  • SU45201A1 - Apparatus for carrying out the method of using waste from the production of artificial grinding materials : en ru
  • US2022054A - Apparatus and process for distilling or cracking hydrocarbons or the like : en
  • US2022269A - Checking tag : en
  • AT143583B - Method for introducing luminescent substances into electrical discharge vessels. : de en
  • AT143745B - Closure device for the mixing drum of mixers for concrete u. like : de en
  • CA354445A - Wall coping : en fr
  • AT143759B - Circuit and electron tube for generating a beat frequency. : de en
  • DE622496C - Receiver device using a tube operating in a braking field circuit with a coupled vibration system : de en
  • US2022080A - Tractor : en
  • US2021892A - Spare tire cover : en
  • US2022509A - Vapor electric discharge device : en
  • US2022579A - 2,3-hydroxy-naphthoic acid arylamide : en
  • SU44970A1 - Copper Lead Electric Battery : en ru
  • US2022341A - Electric current rectifying system : en
  • US2022433A - Metal cutting means and method : en
  • USD97604S - Design for a phonograph cabinet : en
  • US2022386A - Conductor support : en
  • US2022545A - Stem construction for inner tubes used on drop center rims : en
  • DK50947C - Combined Lock and Alarm Mechanism for Bicycles. : da en
  • ES3681Y - Large production kitchens. : en es
  • GB438970A - Improvements in and relating to cabinet beds : en
  • GB439174A - Receptacle for toilet articles, especially for bathing purposes : en
  • CH181097A - Carrier piece for dentures and method for producing the same. : de en
  • CH181115A - Self-seller. : de en
  • FR790732A - Rangefinder : en fr
  • FR790902A - : fr
  • GB439114A - Improvement in vat dye compositions : en
  • FR790897A - Card holder with index card guard : en fr
  • ES4240U - Unshakable semi-rigid tank intended for liquid fuel for aircraft. (Machine-translation by Google Translate, not legally binding) : en es
  • US2021968A - Electric massage apparatus : en
  • PL22330B1 - Shaving knife sharpener. : en pl
  • CH180946A - Tie. : de en
  • DE622345C - Process for the preparation of 3-aminopyridine : de en
  • FR790789A - Gasoline vaporizer : en fr
  • GB439021A - Improvements in and relating to road markings for controlling traffic : en
  • SU44906A1 - Laundry machine : en ru
  • GB438837A - Improvements in adjustable wrenches : en
  • GB439080A - Improvements in electric furnaces : en
  • ES139716A1 - An incandescent lamp or electric discharge tube. : en es
  • ES139725A1 - Safety device for elevators. : en es
  • DE622365C - Rail joint connection by means of a two-part combined flat and foot strap : de en
  • PL22332B1 - Head of a half-coupling for flexible pipes. : en pl
  • PL22247B1 - Electric strike fuse. : en pl
  • PL22211B1 - Housing made of shapes. : en pl
  • DE622325C - Hardness tester with comparison and measuring pendulum : de en
  • FR790816A - System of sectors : en fr
  • FR790623A - Injector with water shut-off drawer, particularly for locomotives : en fr
  • SU45103A1 - Adjusting mechanism for coarse and fine adjustment : en ru
  • ES139573A1 - Procedure for the concentration of minerals. : en es
  • ES3641Y - Refractory material resistance holders for electric heaters. : en es
  • FR790927A - Crystallization process of dextrose : en fr
  • ES139611A1 - Improvements in the construction of windows for buildings of the so-called guillotine. : en es
  • FR790982A - Improvements to television or similar apparatus : en fr
  • FR790771A - Improvements in the treatment of filaments, yarns, ribbons and the like of artificial materials : en fr
  • GB439237A - Improved method for the production of porous silica gel : en
  • DE622339C - Incendiary bullet : de en
  • ES139641A3 - Improvement in the greasers of the railway material, metropolitans and trams. : en es
  • ES139676A1 - Procedure to counterplate veneers of wood and metal, resulting in mixed plywood board. : en es
  • GB439116A - A new method for the manufacture of flower pots : en
  • DE622517C - Liquid switch with conductive liquid : de en
  • DE622531C - Carburetor device for fuel engines : de en
  • DE622558C - Method for modulating transmitters : de en
  • FR790777A - Colander vegetable press : en fr
  • GB439175A - Improvements in or relating to the stabilization of ships : en
  • DE622379C - Device for the exact central clamping of shafts between tips : de en
  • FR790820A - Device to facilitate the removal of their supports for wallpapers, posters or other papers fixed by gluing : en fr
  • GB438828A - Improvements relating to incandescence gas lighting : en
  • FR790931A - Improvements to universal joints : en fr
  • FR790938A - Hand tilting trolley used to transport all models of pedestal tables, in use in cafes, restaurants, bars, brasseries : en fr
  • FR790922A - Support device for the wheels of motor vehicles and similar vehicles : en fr
  • DE622438C - Jump mat with sheet layers clad in a coat : de en
  • FR790962A - Microphone overtaking indicator device for vehicles : en fr
  • ES139589A1 - A process for the preparation of compounds intended to improve the performance in beverages called coffee. : en es
  • FR790705A - Method and device for evaporating liquids : en fr
  • GB439117A - Improvements in or relating to record strip feeding mechanism for registers and similar accounting machines : en
  • ES139719A1 - Procedure for armoring objects and concrete and similar constructions. : en es
  • FR790618A - Device allowing the exchange of energy between an alternating current network and a direct current network : en fr
  • FR790661A - Process for manufacturing oxyarylaminoanthracene derivatives : en fr
  • ES139574A1 - Permanent magnet system, especially brake magnets system for electric meters. : en es
  • FR790836A - Half comparison element for measuring the electro-motive forces of galvanic chains : en fr
  • GB439014A - Improvements in or relating to modulated carrier wave systems : en
  • ES139610A3 - A magneto with ignition distributor for internal combustion engines. : en es
  • ES139759A3 - Improvements in the manufacture of metal cages. : en es
  • FR790658A - Process for the production of a pure alumina hydrate : en fr
  • GB439085A - Improvements in or relating to dressings for wounds and the like : en
  • ES139745A3 - An airtight packaging procedure for preserves. : en es
  • SU44884A1 - Hydropulvert for enrichment of coal : en ru
  • FR790667A - Tap : en fr
  • SU45055A1 - Device for installation in wood pipes of instruments for processing their butt joints : en ru
  • SU45019A1 - Device for arc welding using oscillators : en ru
  • GB438989A - Improvements in or relating to television or like apparatus : en
  • DE612637C - Device for measuring the temperature of the surface layer of calender rolls : de en
  • CH180891A - Snake spoon for spin fishing. : de en
  • FR790741A - Device for the control and selection of coins or tokens : en fr
  • DE622353C - Feed for the steel belt in presses to separate razor blades with holes on the belt from the dropout : de en
  • US2022601A - Basket liner : en
  • GB438942A - Improvements in apparatus for cooling and ventilating buildings : en
  • AT143706B - Low pressure or hot water boiler. : de en
  • FR790874A - Improvements to cable reels : en fr
  • GB438838A - Improvements in or relating to the cylinder assembly and valve gear of water-cooled internal-combustion engines : en
  • GB439144A - Improvements in or relating to upright piano actions : en
  • US2022505A - Transmission of sound and pictures : en
  • DE622327C - Adding machine : de en
  • DK50949C - Apparatus for the Electrolytic Separation of Substances of Liquids, In particular of Water. : da en
  • US2022507A - Poultice : en
  • US2022595A - Battery protector : en
  • GB438827A - Improvements in and relating to sliding clasp fasteners : en
  • ES139773A1 - Procedure for the preparation of food products. : en es
  • US2021996A - Preservation of green-fodder : en
  • US2022223A - Stirring molten glass in continuous tank furnaces : en
  • US2021909A - Insulated car : en
  • US2022100A - Core catching means : en
  • US2022145A - Scraper loader : en
  • US2022222A - Electric lighting fixture : en
  • ES139632A3 - A procedure for the manufacture of reinforced metal tubes. : en es
  • DE622190C - Roll film camera : de en
  • DE622402C - Process for the splitting of hydrocarbon oils : de en
  • FR790808A - Selector device for individually movable pressing plates in rectilinear hosiery looms with picking : en fr
  • GB438830A - Improvements in or relating to electric incandescent lamps for vehicle illumination : en
  • DE622341C - Device for noiseless emptying of wash basins, sinks, bathtubs, etc. Like. With a shut-off device connected to the control device of the drain valve body behind the basin overflow opening : de en
  • FR790781A - New process for attaching labels to bars, plates or cakes of cake and similar materials and labels for the application of the process : en fr
  • GB438972A - Improvements in and relating to wireless and like receivers : en
  • US2022011A - Resinous composition : en
  • FR790824A - Improvements to television systems : en fr
  • DE622355C - Process for printing textile fabrics with Kuepen and sulfur dyes : de en
  • DE622546C - Process for the production of a fuel or fuel oil from coal tar : de en
  • ES139620A3 - Improvements in the procedures for the separation of minerals by flotation. : en es
  • ES3724Y - Metal cover for the base of the head of clothing sewing machines. : en es
  • FR790752A - Tank float valve : en fr
  • FR790686A - Device for adapting a notepad to telephone devices : en fr
  • FR790848A - Improvements to wheels with attached flanges and fitted with pneumatic tires : en fr
  • ES139739A1 - Improvements in the tensile mechanisms of tens for cash registers, calculating machines and the like. : en es
  • GB439059A - Improvements in or relating to cabin roofs for yachts : en
  • FR790986A - Improved receiver device with abrupt operating threshold : en fr
  • GB438929A - Improvements in or relating to reciprocating piston compressors : en
  • FR790775A - Arrangement for the reproduction of photographic sound recordings : en fr
  • FR790831A - Extinguishing water : en fr
  • FR790935A - Compound tubular needle for venipuncture : en fr
  • ES4216U - Fist perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790702A - Fixing of coloring or vitrifiable materials by heat treatment : en fr
  • FR790773A - Improvements to high-frequency coupling systems : en fr
  • FR790625A - Gas heated ironing device : en fr
  • FR790606A - Improvements in telegraphones and other similar recording devices : en fr
  • FR790719A - Sheet feed device for rotary duplicators and the like : en fr
  • GB439008A - A sheet flasher for taking photographs : en
  • GB438994A - Improvements in or relating to sleeve-valve driving mechanism for internal combustion engines : en
  • AT143780B - Car spinner with at least two drive motors. : de en
  • CH180972A - Envelope with opening device for letters, files and the like. : de en
  • SU45090A1 - Libra : en ru
  • US2022201A - Apparatus for cleaning bottles : en
  • US2022387A - Tractor semitrailer power transmitting means : en
  • PL22278B1 - Method for treating sodium or sulphate cellulose. : en pl
  • DK50952C - Method and Apparatus for Manufacturing a Graphite Lubricant. : da en
  • ES139752A1 - A PHOTOGRAPHIC DEVELOPER FOR THE REVERSION METHOD : en es
  • US2021908A - Tile attaching clip : en
  • GB438808A - Improvements in or relating to devices for impressing or indenting metal strip : en
  • SU44916A1 - Water filtration rate regulator : en ru
  • US2022307A - Welding rod : en
  • US2022323A - Razor blade for safety razors : en
  • SU44966A1 - Variable capacitor : en ru
  • SU44985A1 - Device for synchronous motion transmission : en ru
  • US2022566A - Fruit basket : en
  • US2022460A - Heating device regulator : en
  • US2021920A - Control circuits : en
  • US2022160A - Interchangeable sign : en
  • CA354360A - Decolorizing substance manufacture : en fr
  • CH181153A - Process for the preparation of a phenylated compound. : de en
  • DE622314C - Artificial leg for thigh amputees : de en
  • GB438807A - Insulation of high tension conductors in electrical precipitators : en
  • GB438847A - Process and device for de-burring, smoothing and knurling buttons and similar articles pressed from synthetic substances : en
  • SU45011A1 - Device for testing solid dielectrics : en ru
  • US2022252A - Roller bearing : en
  • CA354369A - Fuel injector : en fr
  • DE622311C - Process for the production of wool dyes of the anthraquinone series : de en
  • FR790763A - Dust extractor with hand-operated double-acting piston pump : en fr
  • ES139763A3 - Procedure of gumming fabrics of all kinds. : en es
  • GB438998A - Improvements in landing gears for aeroplanes and other shock-absorbers : en
  • SU45219A1 - Handloom : en ru
  • US2022188A - Apparatus for controlling combustion mechanisms : en
  • US2022476A - Flying machine : en
  • US2022491A - Foot-operated motor controller : en
  • US2022500A - Electrolytic device : en
  • US2022613A - Automatic counter for textiles : en
  • US2022215A - Method of cooling glass : en
  • US2021925A - Antikidnapping vault entrance control : en
  • US2022003A - Recovery of lithium values from lithium bearing ores : en
  • DE622447C - Transformer for regulating the voltages in three-phase systems while maintaining symmetry : de en
  • SU44910A1 - A method of making a catalyst for obtaining ethyl acetate from ethyl alcohol : en ru
  • SU45179A1 - Glass lapping machine : en ru
  • US2021894A - Device for attaching printing members on drums : en
  • CH181041A - Piston pump. : de en
  • CH180937A - Yarn carriers for spinning mills. : de en
  • CH180899A - Mortar kettle. : de en
  • ES139586A1 - An improvement in glass melting furnaces. : en es
  • ES4236U - Belt waistband for the manufacture of underpants (Machine-translation by Google Translate, not legally binding) : en es
  • AT143766B - Shielding for high frequency devices or parts thereof. : de en
  • CH181005A - Machine for shaping shaped glasses and milling or transplanting the notch of the bezel intended to support a shaped glass. : en fr
  • CH181047A - Device for improving the combustion of fuels in gasoline engines by mixing the fuels with water. : de en
  • CH181161A - Process for the preparation of a new heterocyclic sulfonic acid. : de en
  • CH181134A - Device for supporting the upper part of the vehicle on the wheels, in particular for motor vehicles. : de en
  • CH181175A - Process for the preparation of a derivative of 5,5-phenylethylhydantoin. : de en
  • ES139630A1 - Truck or two-wheeled cart for the carriage of artillery material, especially light and mountain artillery and, in general, all kinds of two-wheeled vehicles. : en es
  • FR790716A - Perforating tool for drilling a hole in the wall or cap of a container : en fr
  • US2022471A - Pectous material and process of making the same : en
  • FR790617A - Manufacturing process of very fine subdivision metal layers : en fr
  • FR790633A - Improvements to heat-conducting walls : en fr
  • FR790673A - improved ejector-condenser and water vapor refrigeration machine including its application : en fr
  • AT143562B - Fresh storage container. : de en
  • AT143760B - Switching arrangement. : de en
  • AT143617B - Process for eliminating or reducing the tendency of hard carbon steels to form stress cracking. : de en
  • CH180930A - Instrument for opening and emptying a container. : en fr
  • GR5535B - WINDOW WITH HORIZONTAL TURNING AXIS AND SPECIAL ACCESSORIES. : el en
  • ES139647A1 - ENGINE GAS GENERATOR-PLUNGER, FREELY FLYWHEEL : en es
  • SU44930A1 - The method of producing alicyclic anhydrides : en ru
  • FR790981A - Brake for vehicles of all kinds : en fr
  • GB438819A - Improvements in artificial flies for dry fly fishing : en
  • GB439006A - Improvements in silencers for fire-arms : en
  • US2022237A - Hair drier : en
  • US2022398A - Greenhouse bench and method of making same : en
  • FR790899A - Rubber preparing machine : en fr
  • DE622470C - Airborne sound-absorbing wall covering panel for the production of reverberation-absorbing wall coverings : de en
  • FR790952A - Refrigeration device : en fr
  • DE622331C - Bellows to accommodate dust-like agents for pest control : de en
  • PL22303B1 - System for simultaneous modulation and vibration generation in one lamp. : en pl
  • US2022088A - Method of : en
  • US2022516A - Optical viewing instrument : en
  • DE622541C - Electromagnetic buzzer : de en
  • GB439017A - Method and means for making coffee infusions more digestible : en
  • ES138238A1 - Improvements in the procedure of making baskets for rustic and similar jobs. : en es
  • AT143761B - Acid-tight cable connection to accumulators. : de en
  • GB439112A - Improvements in or relating to artificial lighting : en
  • ES139851A1 - Procedures for manufacturing special hollow parts for construction. : en es
  • FR790725A - Rotary explosion engine : en fr
  • GB438894A - Manufacture of new phenanthrene derivatives : en
  • CH181086A - Secondary ray diaphragm for X-ray examination and process for their manufacture. : de en
  • US2022059A - Terminal strip device : en
  • US2022185A - Fungicide : en
  • US2022539A - Rotary stencil printing apparatus : en
  • FR790929A - Device for the projection of sound-visual films, the sound tracks of which are arranged differently from the image : en fr
  • ES139795A1 - Hydraulic stabilizing device for steering mechanisms. : en es
  • FR790668A - Process for the oxidation of ammonia, and catalyst which can be used in this process : en fr
  • SU44965A1 - Method of commercial radiotelephony : en ru
  • SU45135A1 - Apparatus for using metal and similar gases as fuel for autotractor internal combustion engines : en ru
  • DE622381C - Spreading device for fertilizer spreader with vertical, moving spreading slides : de en
  • FR790788A - Device for lifting and fixing threshing machines, straw balers and the like : en fr
  • IE13949L - Treatment of artificial threads foils, etc : en
  • SU45064A1 - The method of correction of the aqueous dispersion of rubber : en ru
  • US2022411A - Manufacture of artificial filaments, threads, films, fabrics, and the like : en
  • US2022417A - Air impeller : en
  • AT143767B - Electric discharge tube or incandescent lamp. : de en
  • FR790685A - Spiral propeller : en fr
  • DE622492C - Process for the production of woven transport belts from cotton or similar raw materials : de en
  • ES138827A1 - A manufacturing process for a product to produce artificial heat and smoke to counteract or neutralize low temperatures and avoid frosts of fruits and other products from the field. : en es
  • FR790885A - Tube intended to contain and protect conductors of electric lines, method for manufacturing it and machine for implementing this method : en fr
  • CH180965A - Process for the production of a bronze powder with a high gloss and buoyancy. : de en
  • DE1355320U - : de en
  • FR790917A - Multiple carrier frequency transmission system incorporating echo plugs : en fr
  • FR790622A - Aeration and defense station against toxic gases : en fr
  • FR790851A - Process for the thermal transformation of hydrocarbons into precious products : en fr
  • US2022102A - Engine front mounting : en
  • DE622323C - Device for strength tests at low temperatures : de en
  • DE622340C - Cushions for pressure-sensitive items : de en
  • DE622316C - Preferably made of cellulose pulp : de en
  • FR790797A - Device used to absorb urine and collect babies' stools so as to eliminate the use of diapers : en fr
  • DE622343C - Circuit arrangement for monitoring the operational readiness of remote-controlled amplifiers : de en
  • ES139352A1 - A chronometric switch. : en es
  • ES139714A1 - Improvements in the construction of machines for the molding of cookies or similar pastes. : en es
  • FR790857A - Improvements to devices for assembling scaffolding elements or the like : en fr
  • FR790932A - Improvements to the manufacture of tire casings and to the sleeves used for this purpose : en fr
  • FR790699A - Tap : en fr
  • GB439033A - Improvements in or relating to seat cushions, particularly for the seats of motor vehicles : en
  • ES3666Y - Single-sided razor. : en es
  • GB438965A - Process for the manufacture of condensation products : en
  • DE622539C - Triggering device for an automatic fire extinguishing and fire alarm system : de en
  • FR790609A - Tensioner roller for operating mechanism of spindles on spinning looms and twisting looms : en fr
  • DE622511C - Stumbling block : de en
  • US2022029A - Exhaust muffler : en
  • US2022264A - Lighting fixture : en
  • US2022633A - Means for applying sealing means to containers : en
  • US2022096A - Synchronized power transmission mechanism : en
  • US2022209A - Trouble lamp : en
  • FR790764A - Device for cleaning boilers and other tubular heat exchanger devices : en fr
  • ES139603A3 - An improved process for the manufacture of stretch fabrics. : en es
  • FR790646A - Automatic on and off retaining ratchet for lifting devices and similar applications : en fr
  • ES139526A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • DE622478C - Air-compressing injection internal combustion engine with self-ignition and an air reservoir : de en
  • GB438825A - Improvements in hydraulic transmissions : en
  • GB439287A - Improvements in or relating to the production of potassium sulphate : en
  • FR790701A - Improvements to ingot molds in character-carrier ingot casting machines : en fr
  • GB438849A - Improvements in method of and device for the rewinding of photographic films : en
  • GB439157A - Improved coupling for flexible and other pipes : en
  • US2022293A - Method of and apparatus for manipulating talking machine or phonograph records : en
  • US2022407A - Registering device : en
  • FR790889A - Improvements made in the establishment of weighing devices : en fr
  • FR790751A - Multiple flap valve for all gases and liquids at low or high pressure, and with rapid, progressive and effortless opening : en fr
  • FR790858A - Improvements to washing machines and their transformation into sterilizers : en fr
  • DE622494C - Process for the preparation of mono- or polynitropolysulfones and their reduction products : de en
  • DE622570C - Foldable curtain : de en
  • FR790849A - Improvements in the manufacture of textiles and other materials : en fr
  • GB439136A - Improvements in or relating to tiles or slabs applicable for covering or protecting underground cables and the like : en
  • SU45208A1 - The way rafts logs "pike" : en ru
  • US2022132A - Tire covering and holding device : en
  • DE622152C - Cash register with several adding units : de en
  • ES139593A1 - Procedure for the vulcanization of footwear with rubber sole and cut of rubberized fabric or cloth. : en es
  • PL22225B1 - The method of preserving raw animal hides and the foil used in carrying out this method. : en pl
  • PL22228B1 - Suction rotary pump with auxiliary liquid. : en pl
  • FR790796A - Mechanical device for playing dice : en fr
  • US2022501A - Seam for bags : en
  • ES139256A1 - Procedure for obtaining photographs on films with previous focus by direct vision of the projected image. : en es
  • FR790694A - Compressed air closing device for machines for sanding metal parts with dry sand : en fr
  • US2022283A - Heat treating furnace tray : en
  • AT143754B - Electric discharge tube with a cathode and one or more grids. : de en
  • CH180953A - Resilient filter body. : de en
  • DE622571C - Furniture with foldable and movable parts, in particular a dressing toilet that can be converted into a washstand : de en
  • FR790760A - Cistern float valve : en fr
  • USRE19765E - Badioreceiveb : en
  • SU45119A1 - Value storage box : en ru
  • CA354441A - Lubricating inter-layer : en fr
  • AT143589B - Printing device for scales. : de en
  • DE622370C - Method and device for revitalizing washing oil : de en
  • ES139785A1 - A mechanism for loading the shuttle coil of sewing machines. : en es
  • US2022255A - Building construction : en
  • CH180903A - Rail fastening on cross sleepers. : de en
  • AT143790B - Arrangement to compensate for temperature fluctuations in the excitation winding of the generators of diesel-electric vehicles. : de en
  • FR790829A - Process for splitting high boiling point hydrocarbons into more volatile hydrocarbons : en fr
  • GB439241A - Improvements relating to the production of photographic-sensitive sheet materials : en
  • ES139615A3 - Rubber block cutting machine. : en es
  • ES139626A1 - Procedure for the manufacture of espadrilles. : en es
  • FR790835A - Connection device for correspondent sets in automatic telephone systems with selector switches : en fr
  • FR790967A - Roller snap-in for freewheel hubs : en fr
  • GB438957A - Improvements in felt hat body planking machines : en
  • US2022128A - Ornamental member for wheels : en
  • US2022301A - Preparation of coating compositions : en
  • DE592250C - Method for pulling tubes made of paper, fabric and the like Like. And a binding agent from the mandrel that solidifies after cooling : de en
  • ES4188U - A can opener (Machine-translation by Google Translate, not legally binding) : en es
  • PL22295B1 - Electric insulated wire. : en pl
  • PL22318B1 - Device for applying glue to paper strips, labels and similar items. : en pl
  • US2021974A - Plate locking device : en
  • CA354434A - Cereal grain processing : en fr
  • AT143637B - Process for the preparation of 1-1- [3'-oxyphenyl] -2-aminopropanol- (1) or its N-alkyl, aralkyl or aryl derivatives. : de en
  • BE411609A - : en fr
  • US2022206A - Household press for fruits and vegetables : en
  • US2022555A - Transmission machine : en
  • US2022097A - Recording galvanometer : en
  • US2022429A - Non-blistering roofing and method of preparing same : en
  • USD97623S - Design for a two-piece beach suit : en
  • SU45209A1 - Floating device for discharging logs from the river : en ru
  • US2022510A - Gas mixer and vaporizer : en
  • US2022617A - Process of obtaining thevetin from the seeds of thevetia nerhfolia juss. or exile nut : en
  • DE622463C - Carbon brush, especially for small electric motors, which is removed from the collector after a certain amount of wear : de en
  • DE622552C - Method and device for cleaning wort while it is being cooled : de en
  • GB438910A - Improvements in electric discharge lamps : en
  • SU44944A1 - Aerial ropeway with fixed rope : en ru
  • US2021934A - Highway director : en
  • US2022626A - Coupling : en
  • SU45024A1 - The method of obtaining bronzing varnish : en ru
  • SU45079A1 - A device for determining the altitude of an aircraft with a continuous indication of its changes : en ru
  • US2022305A - Method of making receptacle blanks : en
  • US2022441A - Electric indicating instrument : en
  • USD97640S - Design fob a bug : en
  • AT143626B - Method and device for the production of colored rayon. : de en
  • AT143658B - Process for the catalytic treatment of carbonaceous materials. : de en
  • AU2273035A - Chassis frame for vehicles : en
  • CH180977A - Photographic camera with photoelectric light meter. : de en
  • US2022226A - Safety milk bottle container : en
  • CA354396A - Electric valve converting system : en fr
  • DE622392C - Latch release device for one of the two consecutive doors of a double or box door arrangement : de en
  • AT143775B - Discharge tube. : de en
  • DE622217C - Process for producing luminous screens with an elastic, pore-free base layer by pouring on a suspension of luminous substance : de en
  • SU45051A1 - Poultry plucking machine : en ru
  • FR790971A - Improvements to tank furnaces and processes for the manufacture of glass : en fr
  • AT143599B - Process for the production of hollow, lined steel rods for rock drills. : de en
  • CA354408A - Isobutylene polymer production : en fr
  • SU45164A1 - Focus Targeting Device : en ru
  • SU45220A1 - Shuttleless loom : en ru
  • US2021972A - Window sash guide : en
  • US2022218A - Process of preparing the tetrasulphuric acid ester of leuco-1,2,2',1'-anthraquinone azine : en
  • US2021989A - Ball tossing game : en
  • US2022228A - Benzine pocket lighter : en
  • US2022032A - Brake : en
  • CH180898A - Adjustable iron pillar clamp. : de en
  • BE411653A - : en
  • CH181049A - Silencer. : de en
  • US2022326A - Apparatus for comparing color effects : en
  • ES139569A3 - A mechanical procedure for wrapping candy with folded and glued wrappers. : en es
  • FR790937A - Lighting body for electric light sources : en fr
  • DE622430C - Brake valve : de en
  • DE622574C - Bar gripper : de en
  • SU45234A1 - Optoelectronic system for Brown tube : en ru
  • SU45239A1 - Gas Light Electric Lamp : en ru
  • US2022383A - Cellulose derivative composition : en
  • CH181064A - Fridge. : de en
  • US2022496A - Amplifier : en
  • GB439087A - Improvements in ink bottles and like containers : en
  • GB439091A - Adjustable waistband for men's and boys' trousers : en
  • GB438812A - Improvements in valve arrangements for controlling the flow of liquids, particularlyfor water softeners : en
  • GB438919A - Improvements relating to doors and other parts of vehicle bodies : en
  • DE622413C - Room fan with several filters connected in parallel : de en
  • US2021944A - Railway traffic controlling apparatus : en
  • ES139643A1 - Processes for the manufacture of shatterproof intermediate layers of polymerisates for composite crystals, reflective plates and similar combinations of superposed materials. : en es
  • CH180964A - Process for the production of an indigoid vat dye. : de en
  • US2022379A - Apparatus for winding thread : en
  • US2022549A - Bushing puller : en
  • CH180995A - Transmission arrangement for achieving course lines by means of two differently directed, alternately emitted high-frequency radiation. : de en
  • FR790684A - Skill game : en fr
  • CH181114A - Self-sellers, especially for electricity, gas, water etc. : de en
  • DK50957C - Flashlight. : da en
  • GB438835A - Improvements in or relating to boxes or similar containers : en
  • GB439004A - Improvements in or relating to electron discharge devices : en
  • DE622500C - Plant for processing chocolate mass : de en
  • AT143778B - Woodworking machine, in particular planing machine. : de en
  • US2022002A - Appliance for physical culture or exercise purposes : en
  • SE84972C1 - PROCEDURE AND DEVICE FOR MANUFACTURE OF FILLING OPENINGS IN HOSE-BAGS AND SALON-MANUFACTURED BAGS : en sv
  • US2022348A - Ball bearing skate wheel : en
  • US2022599A - Piston for hydraulic brakes : en
  • CH181078A - Arc extinguishing device based on the expansion principle. : de en
  • CH181091A - Burner head for a device for removing crusts of all kinds on heating surfaces of steam boilers, boilers and the like. : de en
  • AT143624B - Process for the production of shaped pieces which contain waste or powder of mica mixed with glass flux. : de en
  • CH180954A - Device for cleaning two or more electrostatic precipitator electrodes suspended one behind the other in one plane. : de en
  • SU45146A1 - A device for coating an insulating substance from inside a sewer pipe : en ru
  • US2022191A - Shipping case : en
  • US2022271A - Oil can : en
  • PL22216B3 - The method of producing alcohols. : en pl
  • AU3102163A - Mastectomy form : en
  • SU45228A1 - Device for fermenting sugars : en ru
  • US2022014A - Method for making reflex copies : en
  • US2022609A - Sanitary pad shield and the like : en
  • PL22270B1 - Spesib the processing of iron ore into spongy iron and then into the heating iron nipple and a device for this purpose. : en pl
  • AT143731B - Process for the production of stand-up collars. : de en
  • AU2228135A - Improvements in and relating to rotary engines or pumps : en
  • DE622280C - Bearing shell : de en
  • PL22252B1 - Device for determining the beginning and end of a line in typewriters, recording machines and the like. : en pl
  • US2022062A - Scale for packing fruits : en
  • CA354357A - Air cooling and circulating device : en fr
  • GB439090A - Improvements in or relating to desks or writing tables : en
  • CH180911A - Spray pipe for connection to a water pipe. : de en
  • FR790733A - Method and device allowing, in a station of t. s. f., to realize the single control without inverter or circuit switch and to carry out the agreement on a range between 1,800 and 125 kc : en fr
  • CH180978A - Process for making reflex copies. : de en
  • DE622467C - Method and device for improving the surface of rolled glass : de en
  • CA354438A - Drum weir : en fr
  • CH180982A - Process for the production of writing chalk with high break resistance. : de en
  • ES139059A1 - A procedure for the decoration of all kinds of fabrics and fabrics. : en es
  • ES3663Y - Perfected cardboard box. : en es
  • CA354431A - Stable chocolate syrup : en fr
  • CH180896A - Method and device for cutting floor coverings made of linoleum, rubber or the like for stairs. : de en
  • ES139723A1 - Improvements in the manufacture of pulverized fuel. : en es
  • US2022186A - Tractor-trailer system : en
  • US2022338A - Winding apparatus : en
  • SU45195A1 - Tennis training device : en ru
  • US2022276A - Adhesive carbon paper : en
  • US2022392A - Temperature compensated induction meter : en
  • FR790761A - Automatic and continuous machine for humidifying the toes and buttresses of shoes, or similar applications : en fr
  • CA354440A - Railway brake head and shoe : en fr
  • US2022196A - Automatic safety valve stem : en
  • USD97603S - Design fob a traveling bag : en
  • AT143632B - Process for the production of finely crystalline barium and calcium sulfate. : de en
  • AT143647B - Process for the production of rubber threads. : de en
  • CH181072A - Cable connection device on a plate made of insulating material. : de en
  • CH181020A - Manufacturing process of composite wood and composite wood produced by this process. : en fr
  • AT143776B - Electric discharge tube. : de en
  • BE411827A - : en fr
  • AT143570B - Vacuum discharge tube. : de en
  • CA354423A - Extrusion die : en fr
  • AU2031834A - Improvements in or relating to froth flotation concentration processes : en
  • GB438920A - Improvements in brewing process and apparatus : en
  • SU45211A1 - Log Feeder : en ru
  • CH180990A - Grain slide. : de en
  • ES139645A1 - Device to make liquid containers non-refillable. : en es
  • ES139710A2 - IMPROVEMENTS MADE INTO THE PURPOSE OF THE SAME : en es
  • CH181171A - Direct current generator with shunt excitation, for controllable short circuit current strength, especially for welding purposes. : de en
  • CH180902A - Bed drainage for rail tracks laid in traffic routes. : de en
  • CA354411A - Hydrocarbon polymerization product : en fr
  • CH180916A - Liquid fuel injector. : de en
  • ES139598A1 - Mechanism of orientation and inclination of the headlights for automobiles and other applications. : en es
  • ES139754A1 - A hair clipper. : en es
  • SU44957A1 - Method of making microphone membranes : en ru
  • US2022243A - Azo dye : en
  • US2022397A - Method of attaching a metal letter to a bracelet link or the like : en
  • USD97639S - Design for a bottle : en
  • DE622442C - Knee-shaped lead pipe produced in a pressing process : de en
  • ES139761A3 - Process for manufacturing wire cores of all kinds as inner reinforcement for tire beads. : en es
  • US2022076A - Fabrication of nut blanks : en
  • US2022318A - Table slide : en
  • SU45203A1 - Candy Packaging Machine : en ru
  • US2021956A - Cellular aggregate and process : en
  • US2022037A - Dehydration of caustic : en
  • CH180922A - Metal tube chair. : de en
  • US2022320A - Percolator top : en
  • US2022439A - Welding rod : en
  • AT143556B - Rotary compressor. : de en
  • AT143551B - Device for supplying internal combustion engines. : de en
  • CH181061A - Mufflers for internal combustion engines. : de en
  • ES3665Y - Wire mesh strainer, perforation plate or cloth. : en es
  • GB439005A - Improved methods of obtaining photographic contrasts by means of diazonium compounds and sensitive layers for use therein : en
  • SU45056A1 - A device for greasing the veneer with glue by moving the sizing roller to it : en ru
  • USD97629S - Design for a carpet : en
  • AT143785B - Dowels for walls or the like. : de en
  • CH181076A - Electric switch. : de en
  • FR790652A - Slide rule : en fr
  • SU45147A1 - Gland for rotating shafts : en ru
  • US2022009A - Machine for coating metallic cores with cement plaster by spiral windings, provided with devices to regulate the forming and conveying rollers and belts : en
  • DE588959C - Process for the manufacture of pipes : de en
  • CH180970A - A method of manufacturing a product that can replace leather. : en fr
  • CH181011A - Method of manufacturing a bimetallic container. : en fr
  • FR790792A - Air pump with special suction device : en fr
  • CH180924A - School desk. : de en
  • PL22227B1 - A method of reducing the acid content of dairy products, such as butter or cream, or fats or oils. : en pl
  • DE622270C - Electric rotary switch for right and left hand movement with two bolts, each controlled separately by an eccentric : de en
  • FR790978A - Improvements to sheets or composite panels : en fr
  • DE622514C - Method for tuning an ultra-short wave receiver working with tubes in braking field circuit by changing the electron transit time : de en
  • AT143676B - Pyrophoric lighter. : de en
  • CH181060A - Method for producing a highly explosive fuel mixture for internal combustion engines and device for carrying out the method. : de en
  • BE412050A - REFRIGERATED CABINET : en fr
  • SU45072A1 - Tester profile for rolling teeth : en ru
  • SU45200A1 - The method of obtaining portland cement : en ru
  • US2022517A - Radio echo altimeter : en
  • USD97622S - Design for a woven textile fabric : en
  • IE13306L - Stoves : en
  • US2022254A - Vehicle brake : en
  • SU44918A1 - Filter for liquids : en ru
  • CH181074A - Electric switch, especially oil switch. : de en
  • SU44964A1 - Device for secret telephony : en ru
  • US2022108A - Sound and moving picture : en
  • GB438901A - Improvements relating to presses for use in testing materials : en
  • CH181015A - Welding rod and process for its manufacture. : en fr
  • US2022451A - Device for measuring lengths of cloth and similar material : en
  • DE622542C - Spinning or twisting machine with individually driven and stop spindles by flexible shafts : de en
  • PL22264B1 - A screw head or a screw head with a washer, securing it against unscrewing. : en pl
  • AT143575B - Small vehicle dry-type rectifier assembled with the electric collector to be charged. : de en
  • DE622565C - Device to relieve the coil heads in runners of large electrical machines : de en
  • US2022315A - Distance indicating device : en
  • US2022448A - Guide needle lapping machine : en
  • BE411599A - Product imitating leather, and its manufacturing process : en fr
  • PL22240B1 - Explosive cartridge. : en pl
  • SU45198A1 - Slaking machine : en ru
  • US2022235A - Cap forming apparatus and method : en
  • AT143629B - Process and device for the production and post-treatment of rayon threads and other artificial structures. : de en
  • SU44997A1 - Device for reading the meter readings : en ru
  • SU44998A1 - The method of removing the pulse characteristics of discharge gaps by the comparison method : en ru
  • US2022250A - Vacuum cleaner : en
  • AT143673B - Harrow. : de en
  • SU45163A1 - A method of making thin paper of the type Japanese of ramie, kendyr kuva, kozu, gampi, mitsumat and the like plants : en ru
  • US2022306A - Balance : en
  • AT143636B - Process for the production of photographic layers and the production of images with their help. : de en
  • DE622422C - Application of the process for plating iron strips with a non-heated plating layer of copper, nickel or their alloys to the plating of iron strips with a layer made of chrome-nickel steel : de en
  • FR790989A - Method and device for homogenizing powder mixtures : en fr
  • FR790995A - False shirt collar : en fr
  • AT143594B - Device for measuring and / or keeping the torque exerted on rotating deep drilling rigs. : de en
  • AT143675B - Ashtray. : de en
  • GB438816A - Improvements relating to a protective treatment of metals and alloys : en
  • US2021945A - Method of making blanks : en
  • AT143585B - Process and device for the production of grooves in embossing cylinders for films. : de en
  • CA354341A - Curtain stretcher : en fr
  • SU44936A1 - Feces processing method : en ru
  • USRE19764E - Welding process : en
  • AT143708B - Large-scale energy storage. : de en
  • CH180988A - Construction element for building games. : de en
  • CH181059A - Carburetor. : en fr
  • SU44973A1 - Pod electrode for alkaline batteries : en ru
  • US2021928A - Spark plug : en
  • CA354352A - Elastic bandage : en fr
  • SU45010A1 - Farnsworth type electronic multiplier : en ru
  • US2022375A - Transportation of automobiles : en
  • US2022389A - Resin and coating or plastic composition containing the same : en
  • US2022477A - Output regulator : en
  • AT143662B - Process for making baked goods from strudel dough. : de en
  • SU44990A1 - Device to protect electrical AC installations from the effects of tilting : en ru
  • SU45149A1 - Heat insulating mass for locomotive and other boilers : en ru
  • US2022394A - Humidifier : en
  • DE622391C - Display device for metal photographic cassettes : de en
  • DK50960C - Method for producing a flexible, oil-resistant rubber composition and articles formed therefrom. : da en
  • CH181026A - Spray processes, especially for paints. : de en
  • DE622322C - Position indicators for aircraft : de en
  • US2021889A - Television receiver : en
  • SU45012A1 - Electric heater : en ru
  • SU45062A1 - Method and device for textile etching from old rubber products and devulcanization of rubber contained therein : en ru
  • US2021915A - Camp stove : en
  • US2022028A - Combined bracket and guard : en
  • SU44909A1 - Sod peat feeder : en ru
  • CH181168A - Process for making reflex copies. : de en
  • SU44919A1 - Method for removing cinders from pyrite furnaces : en ru
  • SU44902A1 - A device for sorting needles in one direction : en ru
  • US2022382A - Antirobbery receptacle : en
  • AT143610B - Electric soldering iron with resistance heating and built-in thermostats. : de en
  • CH181067A - Device for the power supply to multi-layer brushes of electrical machines. : de en
  • SU45017A1 - Device for electric cutting of metals : en ru
  • PL22326B1 - Termination and connectors for high voltage electric cables. : en pl
  • US2022508A - Shaving outfit : en
  • DE622306C - Process for the production of solid preparations from 3-nitrobenzene-1-diazonium sulfate : de en
  • FR790621A - Improvements to roof windows : en fr
  • FR790916A - Process for manufacturing hydrogen peroxide by means of electric discharges : en fr
  • DE622537C - Process for the production of rivet, screw or similar connections with slotted spacer tubes installed in the same axis as the rivets etc. : de en
  • GB439126A - Improvements relating to the moulding of concrete pipes and the like : en
  • GB439160A - Improvements in and relating to latches for doors and the like : en
  • AT143612B - Process for the production of hollow or filled valve bodies. : de en
  • AT143701B - Loose wheel set for rail vehicles. : de en
  • GR5540B - MOTOR POWER MULTIPLIER. : el en
  • FR790834A - Process for electrolytic separation of shiny metallic deposits : en fr
  • FR790894A - Improvements to rotary machines used to create a vacuum or to compress gases : en fr
  • DK50931C - Contact mechanism for wrapper clamp heaters. : da en
  • ES3234Y - A three-pole pear-shaped electrical current switch : en es
  • FR790856A - Improvements to devices for assembling scaffolding elements or the like : en fr
  • FR790776A - Process for producing a glaze on ceramic objects : en fr
  • US2022522A - Lamp shade support : en
  • FR790984A - Magnetic guiding device without friction : en fr
  • GR5536B - APPLIANCE WITH CARD WRAPPED FOR USE OF EUROPEAN TOILET SYSTEM. : el en
  • DE622296C - Process for the preparation of sulfonation products : de en
  • DK50958C - Method of Preparing Sweets. : da en
  • US2022232A - High pressure barrel pump : en
  • FR790853A - Method of dewaxing oils by centrifugation, using heavy solvents : en fr
  • FR790913A - Mechanism for moving objects along elongated paths, particularly applicable to moving billboards of changing advertising devices : en fr
  • DE622404C - Double flap weir : de en
  • US2022498A - Machine for making printing plates or stencils : en
  • US2022612A - Knitted article and method of : en
  • DE622368C - Kerr cell fluid : de en
  • GB439239A - Apparatus for examining the grain of a photographic image layer : en
  • US2021927A - Sodium nitrate : en
  • GB438977A - Improvements in or relating to shackles for use in connection with chains and the like : en
  • ES4191U - A bunch of confectionery bananas (Machine-translation by Google Translate, not legally binding) : en es
  • FR790767A - Improvements in the manufacture of hard metals from powders of hard substances and auxiliary metals used as binders : en fr
  • SU45142A1 - Manual Oiler : en ru
  • US2022035A - Operating means for switches and other apparatus : en
  • US2022484A - Apparatus for producing laminated glass : en
  • FR790895A - New buoyant metal rowing system : en fr
  • GB438917A - Improvements in or relating to electron discharge devices : en
  • FR790634A - Improved process for dewaxing hydrocarbon oils : en fr
  • FR790746A - Automatic locking and warning device for all kinds of locks : en fr
  • US2022071A - Freewheeling mechanism for automobiles : en
  • US2022317A - Bust support : en
  • FR790841A - External shutter-shutter window controlled from inside : en fr
  • FR790888A - Presentation device for textile thread spools : en fr
  • GB439023A - Improvements relating to centrifugal pumps, and more particularly to the priming thereof : en
  • US2022512A - Combustion method and apparatus : en
  • USD97615S - Design for a ventilator casing : en
  • ES3740Y - Fork knife to eat fruits. : en es
  • ES4239U - Card holder for identity documents. (Machine-translation by Google Translate, not legally binding) : en es
  • US2022568A - Gas burner : en
  • ES3717Y - A T-shirt for gas incandescence, circular contour : en es
  • ES3722Y - New rail for the pulleys or crabs that are used in the sliding doors. : en es
  • ES139624A1 - An automatic change announcing machine. : en es
  • FR790664A - Device transforming direct electric current into alternating current : en fr
  • FR790842A - Mechanical device for selective control of the brush-holder crowns of three-phase shunt-type commutator motors to adjust the speed of straight knitted looms : en fr
  • DE622585C - Process for the production of colored aluminum oxide layers : de en
  • PL22218B1 - A device for measuring liquids. : en pl
  • US2022459A - High frequency electrical circuit arrangement : en
  • US2022585A - Separating process : en
  • GB438792A - Improvements in or relating to the construction of seats, mattresses and the like : en
  • DE622555C - Working method for absorption refrigeration machines : de en
  • FR790690A - Improvements in the means used to regulate the supply of a hot liquid into a container for the supply of molten metal, extrusion or extrusion presses and other applications : en fr
  • FR790807A - Luminous projectile which can be launched by means of ordinary hand-held firearms : en fr
  • GB438872A - Improvements in and relating to apparatus for display purposes : en
  • GB439032A - Improvements in or relating to thermionic valves and superheterodyne receivers and like apparatus incorporating the same : en
  • GB438981A - Improvements in destination indicator mechanism : en
  • US2022068A - Radioreceiver : en
  • DE622551C - Device for cutting the embossed dough elevations from a layer of dough sitting on a rotating roller : de en
  • DE622560C - Cable drain boiler : de en
  • SU45036A1 - Suspended combustion furnace : en ru
  • SU45160A1 - Caramel loaf making machine : en ru
  • GB439028A - Improvements in or relating to electric snap switches : en
  • FR790651A - Direction indicator of the type of indicators for automobiles : en fr
  • GB439079A - Improvements in or relating to distance indicators : en
  • FR790720A - Manufacturing process, based on animal glues, of sticky products, paints, coatings, coatings, floors and resulting products : en fr
  • FR790880A - Buzzer : en fr
  • GB439093A - Improvements in composition enamels and the process of making the same : en
  • DE622369C - Process for the production of wood oil thick oil : de en
  • FR790951A - Indirect electric heater for permanent ripple : en fr
  • SU44961A1 - Radio : en ru
  • SU45009A1 - Mosaic sensing method : en ru
  • US2022284A - Oil burner : en
  • ES139577A1 - Perfections in the machine guns. : en es
  • SU45077A1 - Method for determining the compass deviation by steel parts : en ru
  • US2022422A - Xregistering b bank : en
  • GB438842A - Improvements in or relating to the manufacture of plywood or plywood articles : en
  • GB439026A - Arrangements for transmitting broadcast messages by means of high frequency currents in telephone exchange networks : en
  • GB439092A - Improvements in bottle cap removers : en
  • GB438941A - A process for the manufacture of multi-coloured patterned articles : en
  • DE622434C - Trolley for caterpillars with a resilient and rotatable base plate : de en
  • GB438854A - Improvements in or relating to grinding or abrading machines : en
  • GB439053A - Production of resorcinol : en
  • GB439138A - Improvements in or relating to electromagnetic relays : en
  • US2022313A - Centrifugal fan : en
  • US2022485A - 3,3-dimethyl-1-bromo-butane : en
  • PL22327B1 - 3-4 l> bilOO A self-acting machine for making coffee or other drinks. : en pl
  • SU44893A1 - Method for the production of preparatory work in the development of building tuff open work : en ru
  • AT143567B - Device for controlling the luminous flux of a constant light source for television purposes and optical sound recording. : de en
  • US2021971A - Refrigeration system : en
  • DE622448C - Metal vapor rectifier with anodes arranged like a ring on the circumference of the vessel : de en
  • US2022005A - Lubricating apparatus : en
  • FR790628A - Process intended to create a breathable atmosphere allowing animal life by regeneration of stale air : en fr
  • FR790864A - Dishwasher : en fr
  • FR790905A - Wing finder for motor vehicles : en fr
  • US2022336A - Self cleaning screen : en
  • US2022414A - Lock alarm : en
  • US2021931A - Pantographic device : en
  • AT143569B - Acoustic apparatus. : de en
  • CA354359A - Diesel engine locomotive starter : en fr
  • CA354458A - Web splicing device : en fr
  • CH181170A - Process for making reflex copies. : de en
  • SU45197A1 - Device for feeding tobacco leaves on the conveyor base machines : en ru
  • ES4199U - A box for injectables (Machine-translation by Google Translate, not legally binding) : en es
  • AT143756B - Light stabilizers. : de en
  • GB438992A - Improvements in and relating to alternators : en
  • GB439001A - Ball bearing : en
  • GB438991A - Improvements in or relating to means for reducing the resistance to motion of material bodies : en
  • GB439168A - Manufacture of stable preparations of anaesthetic agents : en
  • US2022270A - Sealable tag : en
  • US2022636A - Collapsible jack base : en
  • CA354402A - Milking machine : en fr
  • ES4185U - Bicycle tire (Machine-translation by Google Translate, not legally binding) : en es
  • FR790663A - Incandescent cathode for discharge vessels : en fr
  • FR790869A - Improvements to vehicles with auxiliary side wheels : en fr
  • GB438811A - Improvements in processes for obtaining motor spirit and lubricating oils from rubber, gutta percha and similar materials : en
  • PL22315B1 - The method of producing insulating and waterproof material, especially for flat roofs, roadways, pavements, floors, etc. : en pl
  • US2022038A - Stream-lined sword carrier for subaqueous sound apparatus : en
  • US2022182A - Preparation of ethylene oxide : en
  • USD97650S - Design for a fan mounting : en
  • DE622545C - Vehicle driven by an internal combustion engine, in particular a rail vehicle, with mechanical power transmission to the drive axles : de en
  • ES139636A3 - A process for obtaining synthetic resins from the reaction produced by phenols or cresols with formic aldehyde, through the presence of a catalytic or contact material. : en es
  • DE622435C - Sound absorber for metal chains : de en
  • DK50959C - Procedure for Separation of Dispersed Particles. : da en
  • PL22223B1 - Automatic device for feeding a machine for closing silent bottles with caps. : en pl
  • SU44978A1 - Electric mercury switch : en ru
  • SU45110A1 - Folding device for natural hay drying, etc. : en ru
  • ES4211U - Automatic brake for the maneuvering belt of the roller blinds. (Machine-translation by Google Translate, not legally binding) : en es
  • CH181094A - Electric light bulb with two filaments to be used one after the other. : de en
  • FR790872A - Heat treatment process for aluminum and magnesium alloys : en fr
  • US2022261A - Toy construction set : en
  • US2022513A - Oil burning apparatus : en
  • US2022027A - Carburetor : en
  • ES139638A1 - Improvement in the studs for firearms for hunting. : en es
  • ES139629A1 - An automatic refining machine. : en es
  • GB438857A - Improvements relating to the working or shaping of metal sections : en
  • ES139634A3 - A procedure for the manufacture of sanitary napkins with raschel machines. : en es
  • AT143580B - Electric fluorescent tube with surrounding double-walled heat protection vessel. : de en
  • SU45144A1 - Coupling for connecting flexible metal hoses to steam boiler fitting : en ru
  • US2022078A - Light transmitting cover for light sources : en
  • DE622528C - Process for the separation of metals with a lower electropotential than hydrogen from metal salt solutions : de en
  • US2022147A - Material handling mechanism : en
  • USRE19768E - Photocell compensating system : en
  • USD97633S - Design fob a radiocabinet : en
  • PL22338B1 - Trolley for the feed grate of member boilers for central heating. : en pl
  • US2022277A - Button fastening machine : en
  • SU45235A1 - Brownian vision tube : en ru
  • US2022219A - Electric lamp : en
  • US2022421A - Automobile body protector : en
  • PL22258B1 - Air rifle with cocking lever. : en pl
  • SU45015A1 - Device for suspending self-capping electrodes of electric furnaces : en ru
  • FR790745A - Automatic warning eyebolt for all kinds of closures : en fr
  • ES4220U - Bag with special closure and handle to contain and transport garments. (Machine-translation by Google Translate, not legally binding) : en es
  • US2022133A - Air conditioning system : en
  • US2022337A - Automobile tire rim : en
  • PL22261B1 - Electric cord, asbestos insulated and resistant to oil and heat. : en pl
  • US2022438A - Suction cleaner : en
  • US2022483A - Buckle : en
  • ES4208U - A spin for games of chance (Machine-translation by Google Translate, not legally binding) : en es
  • SU45057A1 - Safety device when milling machine : en ru
  • FR790850A - Multi-pedal unit for door control : en fr
  • FR790983A - Improvements to crimping or waving fibrous textile materials : en fr
  • GB438851A - Manufacture of artificial sponges : en
  • US2021959A - Composer printing machine : en
  • US2022152A - Combination cooker : en
  • PL22273B1 - Device for producing carbon dioxide. : en pl
  • US2021957A - Combination latch and lever for car doors : en
  • US2022121A - Tire cover : en
  • US2022413A - Treatment of textile materials : en
  • US2022619A - Method of chlorination : en
  • US2021936A - Removal of so2 from flue gases : en
  • CH181117A - Variable capacitor for an apparatus receiving high frequency electrical signals intended also to receive very high frequency electrical signals. : en fr
  • DE622290C - Molding device : de en
  • US2022115A - Variable speed pulley : en
  • US2022006A - Safety device for reversible internal combustion and other engines : en
  • FR790884A - Process for the electrolytic separation of shiny tin precipitates : en fr
  • US2022075A - Applicator container : en
  • DE622553C - Process for the purification of preparations of the male gonadoid hormone : de en
  • PL22316B1 - The method of producing briquettes. : en pl
  • CA354416A - Colouring process for pelts, furs, etc. : en fr
  • ES139591A3 - A procedure for the rapid drying of mushrooms, peaches, pears, aubergines, apricots, apples, tomatoes, peppers, figs and the vegetables that make up the soups called Julien. : en es
  • ES139712A1 - Improvements in the construction of torches or welders for current and autogenous welding and for heating workpieces. : en es
  • GB439096A - Improvements in or relating to gripping tools such as wrenches, vices and the like : en
  • GB439069A - Improvements in indicators for electric lighting systems : en
  • FR790718A - Propulsion control device for cycles, and more particularly for bicycles : en fr
  • FR790860A - Electrical arrangement comprising a tube with several grids intended for rectification or modulation and at the same time for the production of high frequency oscillations : en fr
  • US2021898A - Apparatus for blasting : en
  • US2021939A - Quiet automatic volume control system : en
  • US2022118A - Means for separating solids from liquids : en
  • SU44963A1 - Shift and inversion of the frequency spectrum : en ru
  • AT143592B - Electric soldering iron. : de en
  • AT143800B - Device for drawing conic lines. : de en
  • CH180994A - Inclinometers for vehicles. : de en
  • USD97644S - Design fob a molding fob pieces of : en
  • DE622298C - Process for the production of durable pharmaceutical solutions : de en
  • DE622373C - Method and device for the vitaminization of wool fat or wool fat alcohol for cosmetic skin cream : de en
  • FR790731A - Method of preparing leather soles for attachment by simple gluing to leather or leather shoes and resulting products : en fr
  • PL22212B1 - Method for producing fuel for internal combustion engines. : en pl
  • SU45069A1 - A method of manufacturing a layered mass for bearings : en ru
  • SU44959A1 - The method of obtaining electromagnetic waves : en ru
  • US2022155A - Combination plug and switch : en
  • US2022377A - Machine for uniting knit fabrics : en
  • SU44943A1 - Brake device for a monorail trolley : en ru
  • SU45137A1 - Muffler for internal combustion engines : en ru
  • SU45214A1 - Curler of hairs : en ru
  • US2021978A - Testing system : en
  • PL22284B3 - A method of processing soybeans, seeds or grains of cereals, containing oils or fats, into foodstuffs or fodder, and an apparatus for carrying out the method. : en pl
  • SU45191A1 - The carriage on the carding machine for the production of bobbins from wool tape : en ru
  • US2022143A - Ventilator : en
  • US2022242A - Apparatus for turning plate glass : en
  • US2022488A - Shoe : en
  • ES139522A1 - Improvements introduced in the manufacture of rakes. : en es
  • ES139782A1 - A procedure to signal the depletion of gas filters and purifiers. : en es
  • FR790990A - Automatic thermal relay switch : en fr
  • DE622428C - Cushioning, especially for motor vehicles : de en
  • GB439173A - Improvements in joiner's cramps or the like : en
  • CH181118A - Ultra-short wave reflector. : de en
  • ES4202U - Shirt provided with crossed placket (Machine-translation by Google Translate, not legally binding) : en es
  • GB439035A - Improvements in or relating to clocks : en
  • DE622295C - Device for winding up wires, threads, cables or similar winding material : de en
  • FR790662A - Process for the precise molding of matrices for artificial teeth or parts thereof : en fr
  • CH181087A - Arrangement for the control of the grid circles of converters working with grid-controlled vapor or gas discharge paths. : de en
  • DE622393C - Adjustable press tub with pressure pad for gluing soles to shoes or for shaping shoe soles : de en
  • ES3643Y - Scooter imitating skis. : en es
  • AT143789B - Installation in rectifier and inverter systems with grid-controlled noble gas or metal vapor discharge vessels. : de en
  • GB438864A - Improvements in the destructive hydrogenation of carbonaceous materials and in the recovery of oils from the residues of said treatments : en
  • US2022135A - Crusher : en
  • CH181146A - Impeller for rail vehicles, in which the hub, the rim and the wheel part connecting the two parts are made of one piece. : de en
  • DE622358C - Device for automatic control of the paper web tension in printing machines : de en
  • DE622397C - Store drive : de en
  • DE622477C - Detachable fastening devices for tools on agricultural tillage implements, especially hand hoes : de en
  • CA354356A - Spectacles : en fr
  • CH180981A - Image carriers, in particular for taking moist images from medical x-ray images. : de en
  • FR790729A - Method and device for guiding an aircraft : en fr
  • US2022437A - Head and spindle counterbalance : en
  • ES3678Y - Snap ring with ledge to provide clearance. : en es
  • CH180932A - Process for degumming raw vegetable materials suitable for providing textile fibers. : en it
  • GB439180A - Improvements in or relating to the manufacture of vat dyestuffs : en
  • DE622424C - Sealing for the crushing cone bearing of a cone crusher : de en
  • DE622469C - Replaceable filter for coffee brewers : de en
  • ES139430A1 - Transportable cannon. : en es
  • FR790742A - High frequency gaussmeters and ammeters : en fr
  • FR790925A - Oscillation generator assembly : en fr
  • AT143565B - Anti-glare and fog light device for motor vehicle headlights. : de en
  • AT143559B - Screw locking. : de en
  • ES139217A1 - An improved process for manufacturing fabrics and garments made of said fabrics. : en es
  • FR790833A - Visible card file carried by mobile supports : en fr
  • CA354393A - Electric valve circuit : en fr
  • CH181050A - Process for lubricating and sealing the moving parts of internal combustion engines that seal off the combustion chamber. : de en
  • FR790754A - Motion transmission for recording measuring devices : en fr
  • FR790810A - Improvements in devices for drawing tapes in combing machines and other similar machines used in the preparation of textile fibers with a view to their spinning : en fr
  • GB439147A - Improvements in and relating to self-inductance coils : en
  • FR790637A - Electro-magnetic valve : en fr
  • FR790974A - Method and apparatus for making grain coated sheets, such as sanding sheets : en fr
  • GB439058A - Improvements in method of treating a graphite body : en
  • FR790801A - Process for removing stress cracks in aluminum and magnesium alloys : en fr
  • SU45120A1 - Device for supplying electrical energy to agricultural machines : en ru
  • SU45204A1 - The way of hoisting the tow rafts of towing cart to the stalls : en ru
  • SU45073A1 - Device for measuring small linear dimensions : en ru
  • FR790818A - Automatic brake and damper for throwing bars in hosiery looms : en fr
  • GB438915A - Improvements in vacuum pumps of the condensation or diffusion type : en
  • AT143695B - Braking device for rail vehicles. : de en
  • GB438829A - Heating apparatus for greenhouse and the like : en
  • DE622432C - Fastening device for replacement wheels supported on the outside of motor vehicles by means of a one-piece rigid retaining arm : de en
  • DE622540C - Jacks for motor vehicles : de en
  • GB438971A - An improved air-operated automotive vehicle : en
  • PL22248B1 - Telephone system. : en pl
  • US2022434A - Enamel ware : en
  • US2022596A - Bundle tying machine : en
  • GB439081A - Improvements relating to the encasing of electric condensers : en
  • PL22314B1 - A method of producing pure aluminum hydroxide. : en pl
  • DE622439C - Apparatus for the manufacture of pull-fuse packages consisting of a wound-up pull-wire packaging strip and a perforated base connected to it : de en
  • US2022443A - Liquid control apparatus : en
  • DE622305C - Refractory rammed layer for the lining of ovens for naming cement etc. like : de en
  • US2022183A - Method of manufacturing rubber printing plates and other articles of rubber : en
  • FR790991A - Electric contactor : en fr
  • GB438817A - Improvements in cellar equipments for drawing beer : en
  • GB439111A - Improvements in and relating to chairs and the like : en
  • PL22205B1 - The method of refining hydrocarbon distillates. : en pl
  • SU44904A1 - Sizing machine : en ru
  • PL22266B1 - A device for adjusting a type cylinder in an electric typewriter. : en pl
  • CH180895A - Plate screw connection, mainly for windows, doors etc. : de en
  • US2022457A - Dental appliance : en
  • AT143696B - Device on motor vehicles for the controllable supply of warm or fresh air. : de en
  • DE622297C - Device for drying prints of all kinds u. Like. By blowing dry air and immediately following suction of the dry air : de en
  • ES139672A1 - A system apparatus perfected to determine the profile of a road or a road. : en es
  • GB439098A - Improvements in and relating to sewing machines : en
  • US2022280A - Art of and apparatus for converting hydrocarbons : en
  • DE622317C - Device for adjusting the grinder of grinders, especially coffee grinders : de en
  • PL22234B1 - Non-flammable fuse t-shirt. : en pl
  • AT143763B - Respiratory systems. : de en
  • US2022466A - Apparatus for use in the cutting of laminated glass : en
  • AT143704B - Method and device for space heating. : de en
  • SU45025A1 - The method of obtaining glue from scraps of chrome tanned leather : en ru
  • US2022427A - Fuel burning apparatus : en
  • FR790970A - Head of speaking machines with steel phonogram support : en fr
  • GB439010A - Improvements in and relating to date indicators : en
  • CH180955A - Device used to introduce at least one product into a catalysis oven. : en fr
  • GB439153A - Improvements in or relating to grids for electric discharge tubes : en
  • CH180998A - Addition and subtraction machine, in particular for card and billiard players. : de en
  • FR790655A - Sheet steel beating machine frame and profile bars : en fr
  • FR790706A - Construction process by <<standard>> elements, elements for the implementation of this process, and structures thus constructed : en fr
  • US2022248A - Television equipment : en
  • SU45190A1 - Device for transmitting meter readings on call : en ru
  • DE622416C - Process for the manufacture of products containing rubber and asbestos : de en
  • DE622457C - Method and arrangement for reducing electrical interference when receiving high-frequency vibrations : de en
  • ES3640Y - Device to protect the trees from the plague of ants and other climbing insects. : en es
  • CH181147A - Automatic coupling for vehicles in general. : en fr
  • DE618411C - Illuminated advertising system for the generation of running text and drawings consisting of individual light points : de en
  • DE622411C - Mouthwash powder : de en
  • SU45061A1 - Apparatus for deodorizing synthetic rubber (matched) with alcohol : en ru
  • DE622262C - Process for the production of sulfuric acid esters from linseed oil and similar drying oils : de en
  • CH180910A - Manufacturing process for refractory magnesium products. : en fr
  • FR790785A - Suspender enhancements : en fr
  • US2022351A - Folding machine : en
  • USD97617S - Design fob a surgical electrode : en
  • PL22243B1 - Axial bearing with adjustable lower bushing, especially for vehicles running on rails. Patent dependent on claims 5-7 of patent No. 15831. : en pl
  • DE622445C - From indifferent salts, e.g. Table salt, potassium chloride and the like Like., And finely divided coal existing cementation bath : de en
  • DE622566C - Device for measuring fluctuating pressures, especially the pulse rate : de en
  • US2022081A - Fastening device : en
  • US2022618A - Transmission : en
  • AT143607B - Device for welding thin sheets. : de en
  • US2022289A - Tool holder : en
  • US2022409A - Twine dispenser : en
  • USD97634S - Design for a radiocabinet : en
  • CH181102A - Oxygen releasing shaving agent. : de en
  • DE622279C - Process for the discharge of the excess pressure gases from a pressure vessel : de en
  • CH180960A - Process for the preparation of an azo dye. : de en
  • CH181099A - Metal particle mixture for the production of an amalgam which is particularly suitable for dental fillings. : de en
  • US2022151A - Grater : en
  • US2022154A - Machine and method for making piston rings : en
  • CA354422A - Sheet metal pipe manufacture : en fr
  • US2022529A - Packing gland : en
  • US2022551A - Veneering construction : en
  • US2021911A - Process for dyeing and printing : en
  • US2021951A - Railway signaling apparatus : en
  • US2021992A - Spool : en
  • US2022026A - Clutch controlling mechanism : en
  • US2022127A - Beaded tire cover : en
  • US2022349A - Bumper guard : en
  • CH181035A - Mechanical transmission device. : en fr
  • AT143642B - Process for the preparation of 1-phenyl-2-aminopropanolen- (1) hydroxylated in the phenyl radical. : de en
  • CA354342A - Garment hanger : en fr
  • PL22308B1 - The method of producing opal briquettes from carbonaceous material. : en pl
  • US2022319A - Mystery puzzle : en
  • US2022325A - Means to brace case ladings : en
  • CA354365A - Therapeutic table : en fr
  • CH180914A - Corner connection hinge for single and multi-leaf windows and doors. : de en
  • CH180939A - Snail for loom shuttle. : en fr
  • SU45054A1 - Composite bracket for paired connection of transverse linings in the manufacture of shields of reeds, straw and similar materials : en ru
  • AT143553B - Internal combustion engine, in particular two-stroke internal combustion engine, with airless fuel injection and an annular combustion chamber. : de en
  • DE622522C - Electrical contact material that contains one or more carbides in addition to one or more lower melting and softer metals : de en
  • FR790670A - Improvements to broadcast receivers : en fr
  • FR790985A - Fireplace vault nose : en fr
  • SU44946A1 - Aromatic Locomotive Sandbox : en ru
  • SU45114A1 - A manual for learning Morse code by ear : en ru
  • AT143615B - Process for welding butt joints. : de en
  • BE411593A - : en
  • BE411668A - : en
  • US2022041A - Wheel : en
  • US2022091A - Leader straightener : en
  • US2022092A - Track shunting apparatus : en
  • AT143661B - Process for the production of colored wax compounds. : de en
  • US2022420A - Process for treating lactic fluids : en
  • US2022069A - Filter : en
  • AT143650B - Process for the production of bituminous road building materials. : de en
  • PL22242B1 - Self-lung displacement oxygen supply breathing apparatus for use at great altitudes. : en pl
  • US2022148A - Self propelled loader : en
  • SU45193A1 - Attachment for tensioning endless straps of exhaust devices on a bank of pins and similar spinning machines : en ru
  • US2022625A - Rodent trap : en
  • AT143738B - Exposure meters for cameras with a viewfinder camera. : de en
  • CH181031A - Automatic valve for flushing sanitary ware. : en fr
  • AT143638B - Sponge rubber composite structures and processes for their manufacture. : de en
  • CH180980A - Device for fixing and soaking photographic papers. : de en
  • AT143741B - Slide fastener and method of making the same. : de en
  • GB438896A - An improved process of zinc coating a ferrous article and the product obtained thereby : en
  • PL22229B1 - A method of making domestic pottery, glass or similar material, provided with an external metal coating. : en pl
  • PL22230B1 - Weight with a sliding weight. : en pl
  • SU44886A1 - The method of flotation of oxidized minerals : en ru
  • US2022055A - Drill bit : en
  • DE622504C - Rolling mill with several work rolls and support rolls : de en
  • FR790753A - Knob, stop points for sword forming an electric break switch : en fr
  • GB439071A - Improvements in or relating to extrusion presses for the manufacture of metal tubes : en
  • CA354383A - Furnace stoker : en fr
  • CH181032A - Regulator with an electrically controlled regulator. : de en
  • US2022153A - Ventilated wheel and brake drum : en
  • CH181073A - Electric switch. : en fr
  • SU45021A1 - Relay : en ru
  • US2022419A - Process for pasteurizing and deodorizing liquids : en
  • FR790712A - Machine for canceling and counting coupons or other paper or cardboard documents : en fr
  • US2021880A - Hydraulic brake : en
  • ES136825A3 - A method of manufacturing wheels for vehicles. : en es
  • GB438882A - Braun tubes and circuits therefor : en
  • GB439145A - Motor car bonnet catch : en
  • PL22208B1 - Method of separating waste from coal. : en pl
  • SU45189A1 - Device for transmitting measuring instrument readings : en ru
  • US2022203A - Static pressure indicating device : en
  • BE411837A - : en
  • US2022532A - Spring forming and quenching machine : en
  • SU45116A1 - Trigonometer : en ru
  • SU44923A1 - The method of processing containing barite uranium ores : en ru
  • US2021893A - Improvements in apparatus for making metal floor panels : en
  • ES4226U - Pad or "sachet" to curl or curl the hair. (Machine-translation by Google Translate, not legally binding) : en es
  • US2022137A - Armor piercing projectile, including a method of increasing its piercing power : en
  • ES139575A3 - A machine to carry out the development, fixing, washing and drying of cinematographic films, positive and negative, without interruption. : en es
  • ES4201U - Bathing suit that by means of a system of braces allows to obtain different aspects of the same (Machine-translation by Google Translate, not legally binding) : en es
  • FR790966A - Connection device for cinematographic apparatus with photo-electrically directed incandescent lamps, and comprising gas discharge tubes with double anode : en fr
  • SU45028A1 - Naphthalene bleaching method : en ru
  • FR790770A - Reversible rotary motor, pressurized fluid : en fr
  • DE622488C - Filter breath protection device : de en
  • ES139608A1 - Procedure for obtaining metallic sodium. : en es
  • FR790669A - Process for stabilizing vinyl resins and resulting products : en fr
  • FR790769A - High pressure steam discharge tube : en fr
  • DE622421C - Braking device for vehicle internal combustion engines : de en
  • FR790918A - Spark plug : en fr
  • GB438948A - Electric sewing machine cabinet : en
  • ES4197U - Filters of cotton or other vegetable fibers applicable to milk and all kinds of liquids and filterable substances (Machine-translation by Google Translate, not legally binding) : en es
  • CA354373A - Game playing board : en fr
  • GB438900A - Improvements in and relating to radio direction finding : en
  • FR790748A - Variable pitch propeller adjustable during flight : en fr
  • US2022380A - Battery filling device : en
  • ES4233U - Girdle-wedge. (Machine-translation by Google Translate, not legally binding) : en es
  • US2022300A - Dredge conveyer : en
  • US2022553A - Mounting of ball mills : en
  • AT143606B - Spring-loaded chair made of wood or the like. : de en
  • CH181000A - Process for the production of a light-polarizing body and light-polarizing body produced by this process. : de en
  • US2022066A - Gas burner : en
  • US2022125A - Beading for tire covers and method of applying same : en
  • ES139613A1 - A procedure for the manufacture of elements for the formation of parquets. : en es
  • FR790727A - Improvements in the manufacture of canned foods and resulting products : en fr
  • AT143581B - Cleaning and regulating device for gasification burners. : de en
  • ES139631A1 - Distribution by valves with oscillating control. : en es
  • DE622429C - Four-wheel brake for motor vehicles : de en
  • AT143558B - Lubrication pump. : de en
  • AT143568B - Measuring device for direct measurement of the power factor and indirect watt measurement. : de en
  • BE411707A - : en
  • AT143725B - Lockstitch sewing machine. : de en
  • CH180969A - Process for the production of a moldable and curable resin. : de en
  • BE411992A - : en fr
  • CH181008A - Light alloy, hard, tenacious, shiny like steel and stainless. : en fr
  • CH180952A - Process for the production of active molded carbon. : de en
  • DE622564C - Protective spark gap arrangement : de en
  • ES139501A1 - A process for preparing artificial dispersions of rubber, gutta-percha, balata and analogous, coagulated plant resins. : en es
  • AT143664B - Hydrocyanic acid (or poison gas) developing tablets or powder mixtures. : de en
  • CH181042A - Storage for pumps. : de en
  • US2022285A - Oil burner : en
  • CA354435A - Separable fastener : en fr
  • SU44934A1 - The method of obtaining organosilicon chlorine-containing compounds : en ru
  • CH181001A - Process for obtaining a lined network for stereoscopy, sterephotography and other applications and device for carrying out this process. : en fr
  • AT143771B - Rotating toothbrush. : de en
  • AT143726B - Self-seller for various items with a coin checker. : de en
  • US2022432A - Printing apparatus for transferring : en
  • US2022367A - Horn : en
  • AT143787B - Device to improve the circulation in circulation water purifiers. : de en
  • AU272327B2 - Mastectomy form : en
  • CH181070A - Electric machine with device for protecting the winding heads against dust, in particular motor for hand grinders. : de en
  • DE622332C - Valve switch automat : de en
  • DE622361C - Accent writing device for typewriters : de en
  • CH181098A - Arc lamp for irradiation purposes. : de en
  • PL22293B1 - Set of glass lampshades for electric lamps]. : en pl
  • CH181137A - Device for sealing the seal between the upright and the leaf of a door. : en fr
  • US2021906A - Brassiere : en
  • US2022404A - Method for the manufacture of beryllium and alloys : en
  • SU45093A1 - Device for reducing sound reverberation when using a loudspeaker : en ru
  • US2022297A - Convertible cultivating and ditching element for cultivating machines : en
  • AT143774B - Radio reception circuit. : de en
  • AT143654B - Method of preventing soaps from going rancid. : de en
  • CH180992A - Device for the more precise transfer of points onto the worktop of a pantograph. : de en
  • DE622399C - Luminaire with a reflector with a retaining rim : de en
  • US2021985A - Duplicate receipt register : en
  • US2022541A - Puttyless glass roof : en
  • USD97649S - Design for an automotive vehicle : en
  • SU45082A1 - Device for reading the meter readings : en ru
  • US2022251A - Fireproof container : en
  • US2022290A - Tool holder : en
  • US2022302A - Coating composition and process of preparing same : en
  • AT143672B - Ski edge protection. : de en
  • AT143779B - Device for raising and lowering the upper feed rollers of gang saws. : de en
  • CA354350A - Animal trap : en fr
  • AT143669B - Air cushioning for harnesses, saddles, etc. like : de en
  • CH181007A - Process for the production of sintered hard metal fittings. : de en
  • CH181040A - Water jet air blower. : de en
  • AT143700B - Device on wheeled vehicles to protect clothes against soiling by the light dynamo wheel. : de en
  • BE411909A - : en
  • SU44949A1 - Regulator of steam inflow to air compressor in pneumatic brakes : en ru
  • US2021882A - Meter for liquids : en
  • US2022363A - Wall facing and wall-facing anchoring means : en
  • AT143691B - Electric drive device for vehicles with swinging half axles, in particular trolley and similar vehicles. : de en
  • SU45003A1 - Electric coil winding machine : en ru
  • AU2240735A - Adjustment buckle structure : en
  • DE622407C - Circuit arrangement for the electrical lighting system on a vehicle with a magneto-electric alternator : de en
  • FR790635A - Continuous closure with operating slide : en fr
  • FR790784A - direct heat exchanger between the combustion products of gas and air : en fr
  • FR790923A - Improvements to ignition magnetos : en fr
  • SU45224A1 - Safety device for locking weaving machines against breakage of the main threads when changing the shuttle : en ru
  • US2021938A - Card or paper stock for use in duplicating processes : en
  • US2022106A - Take up device : en
  • US2022333A - Heating cabinet : en
  • US2022624A - Self-priming rotary pump : en
  • US2022001A - Moldable composition : en
  • US2022194A - Miner's drill bit and other tools : en
  • SU44901A1 - Winding drum to the machine for the manufacture of flexible shafts : en ru
  • US2022229A - Emulsion and process for producing the same : en
  • US2022504A - Siphon apparatus : en
  • SU45034A1 - Nozzle for regenerators : en ru
  • US2022047A - Figure toy : en
  • US2022165A - Method of separating and purifying hydrogen : en
  • CH180943A - Wide dyeing machine with fabric return, so-called jigger. : de en
  • CH180962A - Process for the preparation of an azo dye. : de en
  • DE622313C - Saliva suction device, in particular for dental purposes : de en
  • DE622324C - Device for fatigue tests on strip or thread-shaped bodies : de en
  • FR790613A - Metal ionic vapor valve arrangement : en fr
  • DE1355815U - : de en
  • FR790793A - Improvements to modulated carrier wave transmitters : en fr
  • PL22292B1 - Wing clutch. : en pl
  • AT143588B - Extending table. : de en
  • PL22286B1 - A method of washing a toilet bowl and a device for carrying out the method. : en pl
  • US2022390A - Rotating toy : en
  • DE622491C - Closing device for the mixing vessel of mixing machines for concrete or the like. : de en
  • DE622562C - Selective protective device : de en
  • FR790790A - Gun cleaning brush : en fr
  • AT143643B - Process for the production of hydraulic building materials as a mortar and concrete base. : de en
  • PL22213B1 - A method of producing a nutrient and medicinal product for bees. : en pl
  • CH180912A - Cabinet lock for right and left use, as well as for use on drawers and trap doors. : de en
  • US2022093A - Process for the recovery of nonsugars from saccharine materials : en
  • SU45029A1 - The method of hydrogenation of vegetable oils : en ru
  • PL22296B1 - Paddle ring for steam or gas turbines, operating at a lower driving speed than the voice speed. : en pl
  • US2022114A - Centrifugal drying machine : en
  • AT143595B - Device for maintaining the temperature of bodies. : de en
  • US2022312A - Furnace construction : en
  • CA354426A - Tabulating machine : en fr
  • GB438806A - An improved device or apparatus for closing caps, lids and like covers on sheet metal drums, canisters and like containers : en
  • FR790976A - Method and apparatus for the manufacture of agglomerated granular bodies, and products resulting therefrom : en fr
  • US2021986A - Production of pure lithium compounds from impure solutions : en
  • USD97642S - Design fob a textile fabric : en
  • PL22290B1 - Air-cooled, shielded spark plug for internal combustion engines. : en pl
  • SU45113A1 - Tutorial for the exercise in solving navigational problems in a classroom setting : en ru
  • AU2235135A - Improvements in piston ring : en
  • GB439109A - Improvements in or relating to machines for placing enclosures such as letters or circulars in envelopes : en
  • CH181158A - Process for the preparation of a new heterocyclic sulfonic acid. : de en
  • AT143552B - Carburettor with pre-heating of the mixture by the exhaust gases. : de en
  • CH181154A - Process for the preparation of a phenylated compound. : de en
  • SU44952A1 - A device for determining at the station the location of a moving train. : en ru
  • PL22206B1 - A method of reducing ores and a furnace for carrying out the method. : en pl
  • CA354436A - Anti-anemia substance : en fr
  • CA354372A - Paper box opening machine : en fr
  • CH180928A - Toothbrush with bristle body that can be rotated by hand. : de en
  • SU45100A1 - A device for determining the response speed of photographic shutters : en ru
  • SU45125A1 - Conveyor to harvesting machines, for example, flax-pulping : en ru
  • US2022180A - Method of and means for separation and sorting : en
  • US2022492A - Phonographic apparatus : en
  • US2021924A - Refrigerating apparatus : en
  • US2022631A - Fluid meter : en
  • CH181101A - Process for the preparation of acylated dihydrofollicle hormone. : de en
  • FR790827A - Method for manufacturing guipures, and device for implementing this process on so-called bobbin looms : en fr
  • SU45039A1 - Blood Transfusion Device : en ru
  • US2022430A - Valve and float : en
  • US2022526A - Mixing machine : en
  • CH180942A - Knitted fabric. : de en
  • CH180979A - Device for the photographic transfer of a plurality of individual images by combining them to form an overall image. : de en
  • SU45068A1 - The method of manufacturing plastic : en ru
  • US2022543A - Portable combined automatic phonograph and radio : en
  • US2022572A - Winding machine : en
  • ES139694A1 - DEVICE FOR THE MANUFACTURE OF LEATHER FACES OR OTHER ARTIFICIAL MATERIALS ANALOGUE TO LEATHER IN STRAIGHT MOLDS : en es
  • GB438945A - Improvements relating to the driving of revolving funnel guides of drawing frames : en
  • GB439038A - Improvements in or relating to liquid containers : en
  • SU44962A1 - The method of separation of the circuits in the telephone translation or transition differential device : en ru
  • SU45152A1 - The way to clean nickel baths from contaminating zinc : en ru
  • ES139619A1 - A combustion engine with fuel injection, with combustion chamber separated from the piston chamber and with automatic ignition. : en es
  • ES139788A1 - Patent to protect metal pipes from the destructive action of corrosive liquids and those that carry suspended solids, which circulate through them. : en es
  • ES4232U - New bandage (Machine-translation by Google Translate, not legally binding) : en es
  • GB438954A - Improvements in monogrammic signs for advertising and other purposes : en
  • ES139621A1 - Perfections related to the permanent waving of the hair. : en es
  • FR790944A - Sound device that can be used as a warning device and as a toy : en fr
  • GB438912A - Improvements in or relating to the storage of eggs : en
  • GB438939A - Improvements in safety razors : en
  • SU45112A1 - Hydraulic models for solving problems of heating and cooling solids and propagation in thermal systems : en ru
  • US2022159A - Lever shaft construction : en
  • DE622319C - Device for cleaning hollow plywood bodies : de en
  • ES139635A1 - Relay arrangement of great sensitivity. : en es
  • FR790795A - Coffee roasting process : en fr
  • GB439000A - Improvements in or connected with electron discharge devices : en
  • GB439129A - Improvements in or relating to printing upon porous sheet material : en
  • US2021988A - Production of lithium compounds : en
  • US2022129A - Tire cover : en
  • US2022428A - Churn : en
  • US2022638A - Razor : en
  • US2022021A - Cleaning tool : en
  • US2022189A - Pipe thread protector : en
  • CA354397A - Beverage dispenser : en fr
  • SU45085A1 - Device for measuring the amount of liquid, gas or vapor flowing through a pipeline : en ru
  • USPP150P - muller : en
  • AT143596B - Vanity or the like. : de en
  • SU44937A1 - Apparatus for accelerating cooling of masonry of a blast furnace stopped for repairs : en ru
  • CA354382A - Suction cleaner : en fr
  • AU1949634A - Improvements in or relating to operating circuits for photoelectric tubes : en
  • CH181079A - Cartridge fuse, in particular for high voltage direct current. : en fr
  • AT143765B - Tube amplifier. : de en
  • BE411667A - : en
  • USD97645S - Design for a hand bag : en
  • AT143781B - Knitwear and method and knitting machine for their manufacture. : de en
  • SU45140A1 - Internal combustion turbine : en ru
  • US2022204A - Fishing reel : en
  • SU45004A1 - Electrolytic capacitor : en ru
  • US2022262A - Stain removal : en
  • US2022418A - Method of making beginning courses for knitted webs : en
  • US2022547A - Masonry weatherproofing composition : en
  • SU45038A1 - Machine for pulling the bristles from the skins : en ru
  • US2022358A - Process for refining mineral oil : en
  • USD97595S - Design for a drinking glass : en
  • AT143747B - Indirectly heated discharge tube with hot cathode. : de en
  • US2022019A - Servo-clutch : en
  • PL22215B1 - A method of producing a material from cork and alkaline binders, suitable for the construction of floors, walls, road surfaces and similar purposes. : en pl
  • SE84945C1 - : en
  • AT143709B - Device for secondary air supply to sectional boilers. : de en
  • AT143748B - Shortwave device. : de en
  • AT143786B - Inlet valve for compressed air drive. : de en
  • US2022519A - Method of making electric heating pads : en
  • USD97620S - Design for a toy bog : en
  • US2022142A - Door : en
  • CH180909A - Method of grinding cement clinker. : de en
  • CH181106A - Gas mask window. : de en
  • AT143601B - Process and device for the production of bronze colors. : de en
  • US2021967A - Liquefier : en
  • US2021997A - Fluid operated lift for oil wells : en
  • US2022405A - Waterproofing composition : en
  • US2021912A - Electrical junction box and connection therefor : en
  • US2022253A - Draft gear for railway vehicles : en
  • SU44908A1 - Rope support : en ru
  • US2022089A - Screw thread gauge : en
  • CA354389A - Interlocking shingle : en fr
  • CH181141A - Door buffers on car doors. : de en
  • ES4183U - Devices to supply lubricants directly from the container in which it comes from the factory. (Machine-translation by Google Translate, not legally binding) : en es
  • CH181063A - Device to produce cold. : en fr
  • USD97597S - Design fob a drinking glass : en
  • SU44941A1 - Insulated rail joint : en ru
  • CA354456A - Rolling mill feeding apparatus : en fr
  • CA354384A - Magnesium production : en fr
  • AT143686B - Steering arrangement for independently guided wheels, in particular of motor vehicles. : de en
  • CH181172A - Device for drying wood and similar items to be dried. : de en
  • AT143655B - Method of combating rust of crops and club root. : de en
  • GB438898A - An improved blotting-appliance : en
  • SU44986A1 - Device for remote control of an electric motor regulating rheostat : en ru
  • US2022593A - Apparatus and method for drying printed webs : en
  • SU44995A1 - Method and device for measuring the phase shift of two curves obtained with one or two oscillographs : en ru
  • US2021999A - Air propeller : en
  • SU45223A1 - Weaving device for stopping when the main thread breaks : en ru
  • USRE19767E - Method for manufacturing : en
  • CA354380A - Suction cleaner : en fr
  • US2021888A - Electric discharge apparatus : en
  • US2022587A - Process of decorating molded resin ware and product thereof : en
  • US2022342A - Pouring means for canisters : en
  • US2022540A - Apparatus for cutting stencil cards from type plates : en
  • US2022584A - Mobile spraying machine : en
  • US2022592A - Tire cover and hub closure : en
  • ES139422A1 - A protective pneumatic cover of the human body against the action of deadly and toxic gases. : en es
  • GB438821A - Improvements in beer pumps : en
  • GB438878A - Improvements in or connected with water-waste preventers : en
  • GB438916A - Improvements in or relating to vending machines : en
  • DE622364C - Storage of the foundation blocks of elastic railway superstructure : de en
  • GB439046A - A method for making moulded articles from impregnated fibrous materials : en
  • AT143576B - Process for venting vessels, in particular incandescent lamp bulbs. : de en
  • AU2252435A - Tool for working wood andthe like : en
  • CH181019A - Centering device for workpieces to be machined on machine tools, in particular punch milling machines. : de en
  • FR790726A - Method and apparatus for processing cartons : en fr
  • FR790832A - Device for fault finding in low voltage overhead power lines : en fr
  • AT143631B - Process for the production of white leather. : de en
  • CA354335A - Hand drill guide : en fr
  • CH181012A - Device for rotating the object to be welded when welding circumferential seams. : de en
  • US2021935A - Motor vehicle : en
  • USD97630S - Design foe a box with a movable : en
  • USD97646S - Design fob a ventilator casing : en
  • SU45124A1 - Manual Flush Tea Machine : en ru
  • DK50948C - Traffic signal. : da en
  • SU45215A1 - Carbon storage tank : en ru
  • FR790876A - Improvements to sound reproducers : en fr
  • FR790963A - Improvements to the packaging of biscuits and similar hygroscopic articles : en fr
  • FR790649A - Illumination and irradiation device of the operating field : en fr
  • AT143653B - Process for the production of extract from whales, seals and other marine mammals. : de en
  • AT143697B - Air brake. : de en
  • DE622328C - Cigar cutter : de en
  • DE622292C - Folding device on machines for wrapping objects in a wrapper with a removable cover : de en
  • ES139736A1 - A procedure to obtain salts with the help of permutation substances of bases. : en es
  • US2021987A - Recovery of values from lithium bearing ores : en
  • CA354401A - Shoe : en fr
  • DE622400C - Device for the removal of waste materials thrown out during the cleaning of trackless bedding above the side shoulder : de en
  • US2022594A - Fit form drier : en
  • DE622287C - Fountain pen with two individual holders that can be displaced in a sleeve forming the holder shaft : de en
  • FR790687A - Process and apparatus for the manufacture of tubes : en fr
  • GB439041A - An improved polishing device for the rolls of rolling-mills : en
  • GB439154A - An improved spinning arrangement for the production of artificial filaments, more particularly artificial silk : en
  • PL22307B1 - The method of producing opal briquettes from carbonaceous material. : en pl
  • SU44982A1 - Device for blocking disconnectors : en ru
  • ES139769A1 - A perfection introduced in the airplanes provided with a mouth of automatic fire. : en es
  • ES4215U - Vessel or tilting lid container. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790689A - Protective coating, especially for iron : en fr
  • FR790861A - Armored radio receiver intended for automobiles, airplanes or other means of transport equipped with internal combustion engines : en fr
  • GB438848A - Production of new decylene compounds : en
  • DE622440C - Storage system with several good containers : de en
  • ES139452A1 - A new procedure of scenic representation. : en es
  • FR790607A - Screening funds : en fr
  • GB439158A - Improvements in and relating to thread cutting devices for automatic lathes : en
  • DE622516C - Rubber-insulated high-voltage cable : de en
  • CA354361A - Circuit breaker : en fr
  • CH180921A - Device for holding napkins. : de en
  • FR790636A - electrode for vacuum tubes, in particular for high flow rectifiers : en fr
  • ES139732A1 - Improvements in the construction of electrical discharge devices and in the joints for them. : en es
  • FR790956A - Metal refinements : en fr
  • ES139692A1 - Improvements in the manufacture of shatterproof composite glass. : en es
  • FR790700A - Method and device for the temperature compensation of cross-wound instruments : en fr
  • FR790901A - Vehicle in which the motor is used for braking, in particular on descents : en fr
  • ES139653A1 - IMPROVEMENTS IN THE CONSTRUCTION OF CHILDREN'S STROLLERS, CHAIRS WITH WHEELS FOR THE DISABLED, HAND TRUCKS AND ANALOGUES : en es
  • GB439063A - Method and machinery for making concrete roads : en
  • FR790879A - Hydraulic cylinder or press : en fr
  • GB438895A - Improvements in or relating to vapour electric converters : en
  • GB438943A - Measuring, cutting and wrapping device : en
  • US2022567A - Endless track : en
  • DE622409C - Process for the production of azo dyes : de en
  • ES3880Y - Medical pessary system. : en es
  • GB439074A - Improvements in the supply of electrical energy to loads of variable parameters : en
  • ES3759U - A recreational mechanical pool for public places (Machine-translation by Google Translate, not legally binding) : en es
  • GB439124A - Process for obtaining effects or designs on yarns, threads or fabrics composed of orcontaining cellulose esters or ethers : en
  • FR790993A - Process for preparing tough elastic compositions : en fr
  • ES139587A3 - Procedure for the manufacture of tires. : en es
  • GB439140A - Improvements in or relating to pipe clips : en
  • ES3651Y - Chopper, mash press, grater or similar apparatus. : en es
  • ES4227U - Repeating harmless throw toy. (Machine-translation by Google Translate, not legally binding) : en es
  • PL22297B1 - Electric bulb zarowa. : en pl
  • FR790779A - : fr
  • GB439055A - Improvements in or relating to the manufacture of amines : en
  • SU45050A1 - Gas sodium lamp : en ru
  • FR790709A - Improvements to the bodies of vehicles used for the transport of refuse or other materials : en fr
  • US2022260A - Dry spinning artificial textile fibers : en
  • DE622420C - Liquid manure distributor with centrifugal wheel : de en
  • DE622423C - Device for peeling and polishing all kinds of kernels and legumes : de en
  • DE622536C - Thermal expansion compensation of invar terms in temperature controllers : de en
  • GB438790A - Improved method of and apparatus for producing hollow metal articles of cylindrical form : en
  • PL22221B1 - A method of removing scale by butt welding of pipes and a rolling mill for carrying out the method. : en pl
  • CH181006A - Machine for pinning hinges, for example watch case hinges. : en fr
  • FR790791A - Fixing device for carpets or similar woven objects : en fr
  • GB438979A - Ladder strut : en
  • FR790996A - Food product and process for its manufacture : en fr
  • GB439011A - Improved hair lotion : en
  • GB439120A - Improvements in and relating to conveyors for conveying tin, steel or other plates from the feed rolls to the delivery rolls in cold rolling : en
  • US2022085A - Radioreceiver : en
  • GB438923A - Improvements in or relating to the utilisation of cool gases in connection with the manufacture of artificial filaments : en
  • GR5534B - PELIKION FOLDING TRAGIC. : el en
  • SU45020A1 - The method of arc welding under a layer protecting against oxidation by atmospheric air fluid : en ru
  • US2022535A - Motor control system : en
  • US2022623A - Jacquard loom harness : en
  • SU45071A1 - The method of obtaining lead bronze by pressing powder : en ru
  • CH181124A - Carrying frame for rucksacks. : de en
  • FR790940A - Electronic discharge device : en fr
  • SU45161A1 - The method of obtaining wood pulp and hemicellulose : en ru
  • US2022274A - Method for drying alcohols and esters : en
  • US2022295A - Head lamp : en
  • US2022298A - Paper making machine : en
  • AT143772B - Binocular observation device. : de en
  • CA354377A - Impulse turbine : en fr
  • US2022515A - Temperature measuring device : en
  • SU45109A1 - The method of determining the germination of seeds : en ru
  • SU45136A1 - Nozzle pump for uncompressed internal combustion engines : en ru
  • US2021943A - Seismic method for profiling geologic formations : en
  • DE622466C - Process for the production of centrifugally cast hollow bodies : de en
  • US2022366A - Gate and lens structure for moving picture film : en
  • ES139600A1 - A process for the manufacture of food flour. : en es
  • GB438909A - Improvements in and relating to the projection of correlated films and the like : en
  • GB439019A - Improved macerating machine : en
  • US2022502A - Motor control system : en
  • US2022520A - Bottle : en
  • DE622338C - Bow saw for butcher shops : de en
  • ES139623A1 - Perfeccionamientos in the manufacture of electrical plates. : en es
  • GB439078A - An improved method of and means for preventing offset of ink in printing operations : en
  • ES139606A1 - A push button for automatic looms. : en es
  • SU45237A1 - Modulation Method : en ru
  • SU45133A1 - Internal Combustion Engine : en ru
  • US2022095A - Synchronizing device : en
  • US2022511A - Damper regulator : en
  • FR790817A - Improvements made to electromagnetic controls, in particular those for controlling the diaphragm of fuel pumps : en fr
  • GB438952A - Improvements in apparatus for obtaining fibres from the stalks of flax and other bastplants : en
  • SU45229A1 - Animal fiber dyeing : en ru
  • GB439095A - Improvements in hair-nets : en
  • US2022278A - Game : en
  • US2022238A - Table : en
  • US2022309A - Machine for making paper bottles : en
  • US2022538A - Wirebound box : en
  • DE622367C - Locking device for turntables, sliding platforms and. like : de en
  • FR790811A - Process for the preparation of a watering product against plant diseases : en fr
  • US2022184A - Plaiting mechanism : en
  • USD97602S - Design fob a statuette ob : en
  • CA354459A - Last centering device : en fr
  • CA354453A - Vessel annealing method : en fr
  • AT143782B - Tool for the production of tension grid handicrafts. : de en
  • DE622312C - Device for examination with X-rays : de en
  • ES139595A1 - A tie making process. : en es
  • ES4192U - Submarine toy ship. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790852A - Method and apparatus for dewaxing oils by centrifugation : en fr
  • CH181126A - Device for clamping the umbrella pole of standing umbrellas inserted into a standpipe. : de en
  • CH181140A - Pressure medium brake. : de en
  • FR790854A - Improvements made to automatic recording devices, in particular to drum devices : en fr
  • USD97616S - Design for a bar cabinet : en
  • FR790713A - Insecticide : en fr
  • ES139685A1 - PROCEDURE FOR THE PRODUCTION OF INSCRIPTIONS, DRAWINGS, MODELS OR OTHER FIGURES ON ALUMINUM OBJECTS AND THEIR CHOICES : en es
  • ES4237U - A new shotgun with elastic (Machine-translation by Google Translate, not legally binding) : en es
  • ES139640A1 - Improvements in the manufacture of thermionic cathodes. : en es
  • GB439125A - Electric operation of lift doors : en
  • DK50953C - For liquid fuels, such as petroleum, specific cookers that can also act as heaters. : da en
  • ES139431A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • GB438949A - Improvements in or relating to arc welding systems : en
  • ES138537A1 - A method with its device to increase the industrial performance of the explosion engines with reduced fuel consumption and total elimination of exhaust noise. : en es
  • SU45186A1 - Alarm device : en ru
  • GB439015A - Auxiliary recording arrangement for automatic telephones : en
  • ES139683A1 - Soap dispensing device. : en es
  • DE622519C - Protection device for three-phase networks : de en
  • ES4207U - Figures cut out of cardboard and similar materials. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790822A - Autonomous lighting devices using very high pressure compressed gases : en fr
  • GB439002A - Improved method of casting deoxidized copper : en
  • FR790942A - Manufacturing process for double warp pile fabrics with designs on the reverse sides : en fr
  • FR790743A - Shoe rack : en fr
  • FR790900A - Improvements in obtaining typographic bars : en fr
  • DE622569C - Permanent hair waving device : de en
  • US2021947A - Making grease and moistureproof paper and similar material : en
  • US2022168A - Load handling and excavating machine : en
  • DE622121C - Electrolytic decomposer : de en
  • ES139409A1 - Improvements in electric oscillation generators combined with electron discharge devices. : en es
  • ES4218U - Metal closure for bottles (Machine-translation by Google Translate, not legally binding) : en es
  • FR790823A - Compensation method and device for constant weighing balance : en fr
  • GB438818A - An advertising device for draught excluders for doors : en
  • DE622301C - Process for the accelerated restoration of cultivated soil after weeds have been killed by chlorate : de en
  • US2022399A - Brace for folding table legs : en
  • US2021994A - Refrigerating apparatus : en
  • CH180894A - Caulking strip. : en fr
  • CH181143A - Stand on bicycles and motorbikes with a device to secure them against theft. : de en
  • AT143593B - Tin cans, in particular cans of tins. : de en
  • ES4224U - A sweet of quince meat combined with various fruits (Machine-translation by Google Translate, not legally binding) : en es
  • US2022244A - Synthesis of organic aliphatic acids : en
  • FR790666A - Lubrication process and lubricants used in this process : en fr
  • CH181133A - Cabriolet with hinged scissor hood. : de en
  • ES3667Y - A toy. : en es
  • US2022588A - Method of and apparatus for cleaning coal : en
  • CA354404A - Moistureproof material : en fr
  • CA354407A - Vat dyestuff : en fr
  • PL22300B1 - Screw drive for ships, especially boats. : en pl
  • US2021896A - Process for differentially leaching ores to separate lead and other metals from zinc sulphide : en
  • CH180950A - Cutter. : de en
  • US2022600A - Basket liner : en
  • CA354403A - Aircraft brake fluid compressor : en fr
  • CH181108A - Cash register operated by keys. : de en
  • SU45143A1 - Wood pipe connection : en ru
  • US2022634A - Halogenated diphenyl oxide : en
  • CH181034A - System with at least two piston machines that are rigidly coupled to one and the same shaft by means of gear wheels. : de en
  • DE622578C - Process for the manufacture of rubber conversion products : de en
  • FR790988A - Process for obtaining composite glasses, light screens, etc., by using non-bursting intermediate layers formed from polymerization products : en fr
  • US2021902A - Cellulose mixed and higher ester compositions containing trialkyl phosphates : en
  • US2022340A - Brake testing machine : en
  • US2022573A - Method and machine for finishing screw heads : en
  • US2022120A - Beaded tire cover construction : en
  • US2022098A - Wringer release and pressure control : en
  • AT143666B - Process for stabilizing aqueous bitumen emulsions. : de en
  • SU45089A1 - Instrument for measuring the amount of fuel in tanks : en ru
  • US2022565A - Apparatus for closing folded boxes or containers : en
  • US2022464A - Vitamin concentrate : en
  • PL22222B1 - A method of producing granular activated carbon. : en pl
  • US2022356A - Multiple nut cracking machine : en
  • SU45059A1 - Screw clamp for joining a stack of planks using toothed brackets : en ru
  • US2022435A - Brake : en
  • US2022640A - Apparatus for forming and ornamenting tubing : en
  • AT143663B - Non-flammable detonating cord cover. : de en
  • AT143730B - Cylindrical developing vessel for films. : de en
  • ES3702Y - Breast holder : en es
  • GB438883A - New or improved form of carbon black : en
  • PL22214B1 - ki. yhbrtfi \. The structure of ferroconcrete, made of a concrete slab, supported by iron beams. : en pl
  • SU45080A1 - Electrodynamic vibrograph : en ru
  • SU45177A1 - Ferry : en ru
  • US2022381A - Antirobbery receptacle : en
  • US2022469A - Refrigerating apparatus : en
  • CA354410A - Isobutylene polymerization production : en fr
  • US2022272A - Idler roller supporting means for belt conveyers : en
  • PL22233B1 - A method of washing acetylene from acetylene-containing gases. : en pl
  • PL22311B1 - Wastewater treatment method. : en pl
  • US2021886A - Trailer construction : en
  • CA354398A - Solder flux applying device : en fr
  • CH180934A - Twisting machine with device for achieving an even twist. : de en
  • CH180975A - Typewriter. : de en
  • AT143758B - Additional device for basic rangefinder. : de en
  • CH181016A - Reel for wire, in particular barbed wire and wire rope. : de en
  • CH181088A - Arrangement for generating tilting vibrations. : de en
  • PL22321B1 - Method for the production of l-ascorbic acid. : en pl
  • US2022144A - Light conditioning and distribution system : en
  • PL22333B1 - A device for the control and correction of the radio frequency setting with a continuous waveband. : en pl
  • SU44968A1 - Device for measuring high frequency currents in the antenna circuit : en ru
  • US2022292A - Automobile heater : en
  • US2021966A - Method of and machine for affixing reenforcing members to articles and for pressing seams : en
  • US2021950A - Index card : en
  • US2022580A - Ski binding : en
  • US2022527A - Mixing machine : en
  • DE622277C - Method and coating machine for coating liquid coating compounds : de en
  • SU44914A1 - Rotary hydraulic or pneumatic motor : en ru
  • US2021923A - Unitfd statfs patfnt offitf : en
  • US2021942A - Welded head for internal combustion engines : en
  • PL22236B1 - : en pl
  • US2022141A - Differential gearing and power transmission : en
  • AT143578B - Bulb holder for electric lights. : de en
  • DE622441C - Excavator with scraper box open at the bottom : de en
  • AT143630B - Method and machine for spinning and post-treating artificial silk. : de en
  • CA354466A - Adhesively coated sheet material : en fr
  • CH181164A - Process for the production of a new azo dye. : de en
  • DE622335C - Small camera : de en
  • DK50944C - Apparatus for propelling bicycles, vehicles, ships and other means of transport. : da en
  • GB438955A - Improvements in or relating to wire ropes : en
  • AT143728B - Roll film camera for the use of two different film formats or types of film. : de en
  • CH180901A - Process for making piles with a widened base molded into the ground. : en fr
  • FR790755A - Eye protection visor : en fr
  • US2022051A - Interpolating telegraph receiving system : en
  • DE622378C - Process to increase the wear resistance of forged or pressed pistons : de en
  • FR790815A - Improvements to sound reproduction devices : en fr
  • DE622352C - Machine for the automatic pressing of threads in rotating bodies made of sheet metal : de en
  • AT143634B - Process for the production of sulfuric acid esters. : de en
  • FR790870A - Improvements to so-called pastry boxes : en fr
  • GB439016A - Improvements in tooth cleaning implement : en
  • GB439159A - Improvements in or relating to electron disharge devices : en
  • AT143628B - Process for the prevention of discoloration during tanning with tanning solutions which contain tannin or tannin-like tannins and iron as an impurity. : de en
  • FR790681A - Metal frame window : en fr
  • FR790736A - Lacquers, varnishes, enamels and products based on these lacquers, varnishes, enamels : en fr
  • SU45078A1 - Electromagnetic theodolite to determine the elements of the earth's magnetic field : en ru
  • US2022489A - Refrigerated storage cabinet : en
  • GB438959A - Improvements in or relating to absorption refrigerating apparatus : en
  • GB439029A - Improvements in or relating to the manufacture of textile hollow bodies : en
  • US2022193A - Float for a fishing line : en
  • US2022321A - Belt conveyer : en
  • ES139637A1 - A perfection introduced in airplanes and other devices equipped with a mouth of automatic fire. : en es
  • CA354333A - Multicolour filter obturating device : en fr
  • DE622394C - Automatic knocking machine : de en
  • AT143635B - Process for the preparation of 1- [3'.4'-dioxyphenyl] -2-alkylaminopropanol- (1). : de en
  • SU45213A1 - Dryer : en ru
  • US2022007A - Overload cutout for stoker motors : en
  • PL22337B1 - A method of increasing the fire resistance and maintaining the tension of the fabric covering the bearing and steering surfaces of aircraft : en pl
  • SU44929A1 - Method for preparing 4-hydroxy-3-ethoxy-benzaldehyde : en ru
  • SU45139A1 - Reactive internal combustion turbine : en ru
  • US2021887A - Cellulose mixed ester composition : en
  • US2022412A - Detector circuit : en
  • CA354346A - Mudguard suspension : en fr
  • FR790865A - Improvements in fuel pump adjustment : en fr
  • GB438833A - Improvements in or relating to roof-support in mines : en
  • AT143566B - Circuit arrangement for self-connecting private branch exchanges. : de en
  • AT143721B - Machine for the surface treatment of the edge part of shoe components, for example shoe soles. : de en
  • AT143797B - Device for the production of multiple cores for telecommunication cables. : de en
  • ES139696A1 - Improvements in the construction of impulse transmitters, mainly destined to automatic telephony. : en es
  • CH181069A - Permanent magnet system with pole pieces, especially for ignition and luminous power generators. : de en
  • DK50955C - Combustion engine with Ignition at the Compression Heat and with a Combustion Chamber, which is located in the Cylinder cover conaxial with the Cylinder. : da en
  • GB439048A - Improvements in or relating to electron emitting cathodes : en
  • GB439110A - Improvements in, or relating to, electrical couplings of the pin-and-socket type : en
  • AT143622B - Process for the production of artificial structures from cellulose esters. : de en
  • AU2023334A - Improvements in method of preparing whey concentrates : en
  • CH181027A - Two-piece button, especially for quilts. : de en
  • AT143561B - Distributor for mixture supply in multi-cylinder internal combustion engines. : de en
  • AT143736B - Brassiere. : de en
  • US2022395A - Butterfly valve : en
  • AT143712B - Containers for storing and transporting photosensitive material. : de en
  • CH181160A - Process for the preparation of a new heterocyclic sulfonic acid. : de en
  • ES4091U - Combined letter-envelope. (Machine-translation by Google Translate, not legally binding) : en es
  • GB439054A - Improvements in or relating to the manufacture of organic cyanogen compounds : en
  • AT143604B - Method and device for electrical resistance welding. : de en
  • CH180976A - Method and device for printing in particular on containers such as tubes, cans, etc. : de en
  • AU2202335A - An improved undergarment such as underdraws, shorts, trunks andthe like : en
  • AT143703B - Wireless shunting radio system. : de en
  • CH181046A - Power machine. : de en
  • PL22231B1 - A method of making seamless socket or flanged pipes from asbestos-cement or similar materials, and a device for carrying out the method. : en pl
  • SU45169A1 - Device for controlling and regulating light in film copying machines : en ru
  • GB439170A - Improvements in electric sound reproducers : en
  • ES3660Y - Elastic buckle for men's suits and the like. : en es
  • FR790898A - Method and apparatus for processing strip materials : en fr
  • GB439084A - Improvements in or relating to processes for finishing and softening cellulose hydrate films, foils and the like : en
  • GB438814A - Improvements in electric cables : en
  • SU45171A1 - A device for regulating light in film copying machines : en ru
  • GB439135A - Improvements in or relating to the developing of dyeings on the fibre : en
  • ES139576A1 - Improvements in the elements of the apparatus for manipulating cinematographic films. : en es
  • GB439679A - Improvements in or relating to methods and means for sorting or testing coins and other metallic objects : en
  • DE622489C - Door lock equipped with at least one cylinder lock for different pin weights : de en
  • DE622487C - Scissor strut locking device on scissor strut photographic cameras : de en
  • FR790693A - Mold for line composing and melting machine : en fr
  • FR790914A - Time-resetting devices for synchronous motor clocks : en fr
  • GB439148A - Improvements in or relating to road roller vehicles : en
  • FR790762A - temperature exchanger between two fluids : en fr
  • FR790847A - Method and apparatus for lapping bearings : en fr
  • GB438913A - Improvements in or relating to thimble-tube boilers : en
  • GB438961A - Improvements in ionic amplifier : en
  • US2022036A - Windshield opening and closing regulator : en
  • US2022008A - Pole support : en
  • FR790805A - Improvements in the manufacture of anti-oxidants and the processing of rubber using these products : en fr
  • GB438839A - Control systems or arrangements for providing a control in response to changes of voltage or current ratio : en
  • GB438841A - Process of manufacture of floor and furniture polishes and boot and shoe polishes : en
  • GB438960A - Improvements in photo-mechanical resists and compositions therefor : en
  • FR790611A - Directory for telephone numbers, or others : en fr
  • ES139690A3 - A gear change, especially for bicycles and the like. : en es
  • GB439072A - Improvements in the construction of open fire grates : en
  • FR790747A - Folding bench more particularly applicable to motor cycles and the like : en fr
  • FR790830A - Method and device for transforming mechanical or electrical vibrations or oscillations into luminous oscillations : en fr
  • FR790934A - Device determining regular downtime for mobile advertising panels, in particular mounted on motor cars : en fr
  • GB438859A - Method of and apparatus for recovering gold or other metallic particles from sand and the like : en
  • ES139741A1 - Procedure for obtaining follicular hormone. : en es
  • FR790875A - Mechanism controlled by brake or friction, in particular to regulate the delivery of the chain in looms : en fr
  • FR790947A - Electromagnetic circuit breaker with cut-off of the neutral conductor : en fr
  • GB439060A - Improvements in or relating to garments for ladies' wear : en
  • FR790778A - Rangefinder sight : en fr
  • FR790987A - Heating Current Dual Control Discharge Tube : en fr
  • GB439567A - Improvements in and relating to alternating current apparatus : en
  • ES139783A1 - A new device for automatic dragging of the fabric for sewing machines. : en es
  • GB438906A - A mechanical timing unit for water gas and other cyclic processes : en
  • FR790647A - Gasket packing : en fr
  • US2022221A - Polymerization of olefines : en
  • GB439142A - Improvements in wide aperture objective systems for photography and kinematography : en
  • FR790643A - Control device for the rotating funnel in the drawing benches : en fr
  • GB439082A - Improvements in or relating to thermionic valves and superheterodyne receivers and like apparatus incorporating the same : en
  • CA354415A - Conversion product manufacture : en fr
  • US2022236A - Woven fabric : en
  • CH180917A - Cleaning rags for wooden floors and linoleum. : de en
  • US2022542A - Hydraulically operated grinding machine : en
  • DE622354C - Yarn carrier for dyeing stretch yarn : de en
  • DE622559C - Circuit for glow cathode tubes with a magnetic coil arranged within the vacuum space : de en
  • FR790821A - Device for the automatic actuation of grippers or grapples : en fr
  • SU45086A1 - A device for introducing into the holes of animal pests of toxic substances doses : en ru
  • US2022090A - Battery container : en
  • US2022396A - Oscillating sprinkler : en
  • DE622337C - Tread for tires : de en
  • ES139504A1 - Arrangement for introducing a pressurized medium into moving parts of machines of various kinds. : en es
  • US2022493A - Processes of preparing glycerides : en
  • GR5538B - CHEMICAL POKER. : el en
  • US2022200A - Bottle brushing device : en
  • US2022603A - Convertible article of furniture : en
  • USRE19769E - Apparatus fob treating fruit : en
  • ES138535A1 - A turning thresher. : en es
  • GB438861A - Improvements in and relating to clutches for flexible shaft drives : en
  • SU44924A1 - The method of obtaining mono - and divinylacetylene : en ru
  • SU45227A1 - Vetrosilov installation : en ru
  • US2022574A - Controlling means for flying shears or the like : en
  • AT143620B - Manufacture of objects that must be resistant to attack by decarburizing gases, especially at high temperatures and pressures. : de en
  • CH180906A - Hot water supply system with indirect heating of the tap water in a pipe system. : de en
  • GB439030A - Improvements in spring contacts for electrical fittings specially applicable to fuse fittings : en
  • AT143678B - Ring lubrication for axle bearings. : de en
  • US2022268A - Method of purifying an acid-treated light hydrocarbon oil : en
  • SU45104A1 - A device for sorting steel products : en ru
  • SU45129A1 - Device for digging trees from the soil : en ru
  • US2021881A - Refrigerant control device : en
  • US2022073A - Garment or ironing press : en
  • AT143742B - Gate valve for gases or liquids under high pressure. : de en
  • CA354370A - Electric current rectifier : en fr
  • CA354371A - Cream separating milk bottle : en fr
  • CH181163A - Process for the production of a new azo dye. : de en
  • BE412026A - Improvements to electromagnetically controlled switches, particularly contactors : en fr
  • CA354374A - Truss : en fr
  • ES139674A3 - A manufacturing process to obtain activated carbon with high absorbent power. : en es
  • ES139757A1 - Push-button operation system applicable to elevators. : en es
  • GB438869A - Means for regulating the phase of the grid voltage in ion valves : en
  • BE411552A - Process for the production of lacquers and colored coating compositions : en fr
  • AT143651B - Procedure for protecting exposed wood against bearing damage. : de en
  • AT143640B - Process and apparatus for the continuous bleaching of pulp. : de en
  • ES139180A1 - Central lubrication device. : en es
  • FR790757A - Hitching device for trailers and others : en fr
  • FR790819A - embryotomy crusher : en fr
  • GB439171A - Improvements in gearing for agricultural machines : en
  • ES4214U - A new type of box spring (Machine-translation by Google Translate, not legally binding) : en es
  • GB438980A - Improvements relating to respiratory appliances for protection against noxious gases : en
  • GB439089A - Improvements in or relating to feed water pre-heaters : en
  • PL22283B1 - A method of purifying metallic bismuth from arsenic. : en pl
  • US2022577A - Tensioning means for loom let-off beams : en
  • PL22249B1 - A device for clamping the composition of types. : en pl
  • SU44922A1 - Alkali Metal Amalgam Decomposition Device : en ru
  • US2022178A - Hydraulically operated automatic cam grinding machine : en
  • US2022503A - Automatic telephone system : en
  • CH181014A - Device for supplying an arc welding circuit with alternating coorant. : en fr
  • US2022630A - Automobile service equipment : en
  • DE622490C - Pen sharpener with adjustable stop : de en
  • GB438844A - Improvements in wheels for railway or like vehicles : en
  • SU44958A1 - Relay selector : en ru
  • SU45026A1 - The method of obtaining thickened glue broth : en ru
  • PL22204B1 - Method of cracking hydrocarbon oils. : en pl
  • DE622503C - Rolling mill system consisting of two or more continuously working rolling lines : de en
  • DE622529C - Sweat band for headgear : de en
  • CH180888A - Fruit picker. : de en
  • DE622484C - Process for the production of multiple metals, in particular those made of iron and steel : de en
  • AT143683B - Device for fuel extraction for fuel containers on motor vehicles. : de en
  • CH181075A - Gas pressure switch. : de en
  • SU44927A1 - The method of obtaining ethyl acetate "betta" phenylethyl alcohol or its derivatives : en ru
  • AT143720B - Container made of paper, cardboard or the like. : de en
  • US2022064A - Opaque material : en
  • US2022113A - Sliver conveying apparatus : en
  • US2022161A - Acoustic tile : en
  • AT143793B - Telecommunication cable for four-wire operation, especially for carrier frequency four-wire operation. : de en
  • CH180938A - Loom with chain tension regulator. : de en
  • CH181159A - Process for the preparation of a new heterocyclic sulfonic acid. : de en
  • US2022018A - Hydraulic system for clothes driers : en
  • AU2017234A - Improvements in bearing metal alloys : en
  • US2021891A - Double receiver tube for ultra short waves : en
  • US2022528A - Apparatus for sintering refractory material : en
  • US2022561A - Combined garden and lawn tool : en
  • US2022171A - Apparatus for fusing metals : en
  • US2022177A - Cup : en
  • CA354405A - Illuminating lamp : en fr
  • DE622062C - Device for X-ray examination : de en
  • AT143648B - Process for the production of non-penetrating and non-smearing carbonless ink coverings on substrates such as carbonless paper, carbonless forms and the like. like : de en
  • DE622291C - Device for manufacturing packaging sleeves : de en
  • DE622410C - Drip device, especially for medical vessels : de en
  • GB439012A - Improvements in paper making : en
  • US2022198A - Printing machine : en
  • GB438932A - Improvements in or relating to cinematographic apparatus : en
  • US2022024A - Burner : en
  • US2022176A - Pressing machine and element : en
  • AT143734B - Methods and devices for photographing documents or the like. : de en
  • CH181139A - Automobile. : de en
  • PL22319B1 - A method of obtaining aluminum compounds from hardly soluble aluminum minerals, e.g. clay, kaolin and the like. : en pl
  • US2021976A - Fruit stoning machine : en
  • SU45035A1 - Device for supplying fuel to the furnace of a locomotive : en ru
  • US2022294A - Nonrefillable bottle : en
  • PL22317B1 - The method of making glasses. : en pl
  • US2022140A - Spark plug provided with an ionizing catalytic element : en
  • CH180919A - Sun protection devices, in particular for shop window displays. : de en
  • ES139743A1 - Procedure for the manufacture of a liquid cream for bleaching and beauty of the skin and hands. : en es
  • FR790882A - Medium frequency amplifier : en fr
  • GB439097A - Improvements in and relating to automatic lathes : en
  • US2021897A - Clutch control mechanism : en
  • US2022605A - Adjustable collar band for shirts : en
  • PL22210B1 - Device for peeling and polishing all kinds of grains. : en pl
  • US2022328A - Brake shoe : en
  • AT143710B - Device for heating liquids and gases. : de en
  • US2022022A - Testing apparatus : en
  • SU45121A1 - Great price : en ru
  • US2022099A - Engine mounting : en
  • US2022208A - Pump for thermal jugs : en
  • USD97635S - Design for a radiocabinet : en
  • FR790677A - Developers for silver halide emulsions : en fr
  • GB439009A - Improvements in or relating to public address systems : en
  • GB439024A - Improvements in or relating to the manufacture of tissue paper : en
  • AT143677B - Coriandoli. : de en
  • CA354454A - Fuel combustion apparatus : en fr
  • CH181083A - Electron tube. : de en
  • CA354353A - Drain valve : en fr
  • CH180996A - Procedure for operating radio beacons. : de en
  • DE622584C - Pressure regulator : de en
  • US2022231A - Preservation of vegetable-fiber material : en
  • USD97594S - Design fob a drinking glass : en
  • FR790837A - X-ray tube feeder : en fr
  • US2022408A - Metal weather strip : en
  • PL22289B1 - A device for attaching, tensioning or adjusting the length of cords, strings or ropes. : en pl
  • SU45155A1 - Lunette : en ru
  • US2022299A - Tailor's chalk sharpener : en
  • US2021937A - Apparatus for removing so2 from flue gases : en
  • US2022123A - Beaded tire cover : en
  • US2022423A - Motor vehicle : en
  • CH181009A - Process for the production of compact magnesium metal from magnesium dust. : de en
  • CH181033A - Hydraulic energy transmission device. : en fr
  • CA354406A - Oxide coating removing method : en fr
  • CA354385A - Integral elbow : en fr
  • GB438978A - Improvements in and relating to weighing machines : en
  • GB439007A - Arrangements of independent steering wheels for motor vehicles : en
  • GB439165A - Hollow moulded heels and means for securing same to boots or shoes : en
  • ES139691A1 - IMPROVEMENTS IN THE CONSTRUCTION OF WRITING MACHINES, ESPECIALLY FOR SHORTNESS : en es
  • AT143600B - Safety razor with a separate, connectable blade magazine. : de en
  • AT143722B - Feedback circuit for cathode ray tubes with control electrode for the purpose of optical sound recording, television or the like. : de en
  • FR790698A - Control switch : en fr
  • ES4203U - Belted shirts for a better fit to the body (Machine-translation by Google Translate, not legally binding) : en es
  • FR790744A - Regulator for electric heaters : en fr
  • FR790954A - Control systems for electric motors : en fr
  • FR790644A - Method and apparatus for the production of pears and similar hollow rubber articles : en fr
  • ES139667A3 - Process for manufacturing glass or crystal blocks, to be applied in the formation of light signals by reflection. : en es
  • FR790627A - Nut lock : en fr
  • FR790772A - Improvements to broadcast receivers : en fr
  • GB438863A - Improvements in or relating to respirators : en
  • FR790814A - Construction process for use of buildings : en fr
  • DE622454C - Mechanically driven double press for the execution of drawing work and similar work processes : de en
  • ES4228U - Support for packaged or free fuels. (Machine-translation by Google Translate, not legally binding) : en es
  • GB439042A - Improvements in connection with gas cookers : en
  • DE622532C - Injection internal combustion engine : de en
  • SU45014A1 - A method of manufacturing a composition for bonding carbon and graphite electrodes for electric furnaces : en ru
  • US2022010A - Paper pulp testing device : en
  • USD97600S - Design fob a jab : en
  • DE622554C - Rotating work and power machine with sickle-shaped work space and oscillating piston : de en
  • US2022239A - Suction nozzle : en
  • GB438967A - Improvements in or relating to spring seats : en
  • BE411775A - Ball for soccer, rugby, basketball, etc. : en fr
  • FR790943A - Improvements to freight transport executives : en fr
  • GB438885A - Improvements in and relating to step bearings : en
  • AT143733B - Card index box. : de en
  • CA354337A - Key-locked fastener : en fr
  • CH180973A - Ribbon for printing characters. : de en
  • FR790973A - Device for applying glue to materials intended to cover surfaces or for the manufacture of coated or complex substances : en fr
  • GB438858A - Improvements in or relating to tooth brushes : en
  • GB439070A - Improvements in or relating to storage cookers and the like : en
  • PL22325B1 - The method of calibrating measuring transformers by means of an electrodynamic differential device. : en pl
  • US2022044A - Brake : en
  • US2022440A - Temperature indicator : en
  • PL22313B1 - Method for separating oil from solids in the residue after hydrogenation of carbon materials. : en pl
  • SU44892A1 - Sawing machine : en ru
  • SU45107A1 - A device for determining small amounts of carbon in steel by the barite method : en ru
  • SU45202A1 - Device for raising and maintaining logs : en ru
  • FR790891A - Method and device for weighing loads : en fr
  • GB438843A - A process for stabilizing chlorinated rubber : en
  • SU44988A1 - Device for remote activation of electrical apparatus or devices : en ru
  • USD97590S - Design for a combination : en
  • SU44921A1 - Solvay type pipe furnace for calcining bicarbonate : en ru
  • US2022020A - Cowl ventilator : en
  • US2022130A - Spare tire cover : en
  • US2022465A - Electrical vacuum pump : en
  • DE622515C - Variable capacitor : de en
  • CA354339A - Wheel tire : en fr
  • SU45092A1 - Limiter and index of the phonograph spring factory : en ru
  • USD97608S - Design for a shoe : en
  • SU44891A1 - Electrojectile Swivel Hammer : en ru
  • CH181116A - Wire radio distribution system with program selection. : de en
  • GB438836A - Improvements in or relating to poppet valves for internal-combustion engines : en
  • GB438973A - Improvements in or relating to clinometers : en
  • US2022581A - Drive axle : en
  • DE622436C - Hinge or hinge-like closure made of plastically deformable material, in particular synthetic resin or the like. : de en
  • FR790859A - New 4-amino-dinitro-diphenylamines and their manufacturing process : en fr
  • FR790948A - Improvements to spectacle frames or the like : en fr
  • GB439003A - Improvements in or relating to electric fusible cut-outs : en
  • SU45212A1 - Postal transport device : en ru
  • US2022048A - Refrigerating means : en
  • FR790867A - Light signaling device for electric lighting timer : en fr
  • AT143694B - Adjustment device for Bowden cables, in particular for the brakes of bicycles and motorcycles. : de en
  • US2022456A - Manufacture of new condensation products from natural resins : en
  • DE622310C - Self-switch designed like a contactor : de en
  • GB438856A - Improvements in and relating to hydraulic control systems : en
  • SU45132A1 - Kolovratny engine : en ru
  • DE622498C - Push rod lock for mowing machines : de en
  • US2022136A - Printing apparatus : en
  • US2022308A - Vulcanizer : en
  • DE622499C - Carburetors for internal combustion engines : de en
  • PL22302B1 - Kk-47-fr22770T Sealing piston ring. : en pl
  • SU45087A1 - Automatic scales for loose bodies : en ru
  • SU45199A1 - Device for driving a cutting machine to a belt press : en ru
  • US2022170A - Method for reclaiming printing press rollers : en
  • US2022373A - Textile machinery : en
  • FR790730A - Headlight support device with tilt and tilt control for motor vehicles and other applications : en fr
  • SU45170A1 - Device for making a passport to film copiers : en ru
  • USD97609S - Design for a shoe : en
  • CH180897A - Casement window construction. : de en
  • US2021929A - Flashed building structure : en
  • AT143671B - Button fastening. : de en
  • CH181167A - Process for copper-plating iron. : de en
  • ES4206U - Drill bits with cutting edges, changeable, for the mechanical manufacture of cork stoppers. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790887A - Transformer coupling for television amplifiers : en fr
  • GR5541B - PTERODETIC MACHINE. : el en
  • CH181021A - Process of artificial aging of wood. : en fr
  • ES139651A1 - A procedure for obtaining quaternary ammonium combinations. : en es
  • SU45105A1 - Pressure Testing Device : en ru
  • US2021895A - Crusher : en
  • US2022245A - Mono-n-alkanol derivative of aromatic di-amines and poly-amines : en
  • AT143657B - Process for the manufacture of a powdered hand cleaning agent. : de en
  • AT143667B - Vessel closure, in particular for preservation vessels. : de en
  • DE622509C - Method and device for coloring the stamp when stamping porcelain, earthenware and. like : de en
  • DK50941C - Automatic hydraulic gear mechanism. : da en
  • ES139187A1 - Improvements in the layout of thermionic valve circuits. : en es
  • CH180999A - Electric motor for driving film in apparatus for recording and reproducing photographic sound recordings. : de en
  • ES4222U - Pocket pay-pay. (Machine-translation by Google Translate, not legally binding) : en es
  • GB438834A - Improvements in or relating to jig dyeing or like fabric treating processes : en
  • US2022056A - Ship and ship construction : en
  • US2022583A - Regulating valve for refrigerating systems : en
  • PL22267B1 - A method of electrowinning metal coatings and an apparatus for carrying out the method. : en pl
  • SU45231A1 - Method for elimination of secondary emission from deflecting electrodes of cathode tube : en ru
  • CH180966A - Method for bonding materials. : de en
  • CH181096A - Device for determining the average daily food requirement depending on the size and age of the person concerned. : de en
  • FR790734A - Improvements to the stripes : en fr
  • GB438987A - Variable speed power transmission mechanism : en
  • FR790688A - Alumina manufacturing process : en fr
  • SU45013A1 - The method of local annealing of sheet metal : en ru
  • US2022031A - Dispensing container : en
  • USPP149P - howard : en
  • DE622318C - High pressure hot water district heating systems : de en
  • GB438988A - Improvements in medical glass syringes : en
  • IE13294L - Internal combustion engines. : en
  • ES4177U - Bracket for cables (Machine-translation by Google Translate, not legally binding) : en es
  • FR790616A - Automotive car door lock : en fr
  • FR790675A - Alarm clock with preliminary signals : en fr
  • ES139580A3 - Improvements in grease boxes for railway wagon axles and the like. : en es
  • GB439047A - Improvements in or relating to radio receivers : en
  • DE622455C - Method and device for gas-tight connection of gas suction pipes in the coal charging of retorts and chamber furnaces : de en
  • ES139578A1 - Hexagon drive mechanism on looms. : en es
  • FR790813A - Process for the cold rolling of sections intended to present, at different points in their section, different hardnesses and strengths : en fr
  • GB439244A - Rotary steel plate printing machines : en
  • US2022615A - Fly swatter : en
  • FR790972A - Self-closing faucet : en fr
  • GB438907A - A new or improved combination bed-table, shoe-box, and chair : en
  • FR790614A - Process for making non-shrinkable fabrics from vegetable fibers : en fr
  • US2022174A - Wheel and brake mechanism : en
  • US2022388A - Electric switch : en
  • ES139561A2 - AN IMPROVEMENT IN THE CONSTRUCTION OF BATTERIES OR ELECTRIC BATTERIES FOR POCKET LAMPS : en es
  • ES139689A1 - PROCEDURE FOR OBTAINING NON-SATURATED PREGNODIOMES : en es
  • FR790603A - Improvements to fuses : en fr
  • SU45060A1 - Clamp clamp for connecting a pack of boards using toothed brackets, dowels, etc. : en ru
  • US2021961A - Method of treating tacky material : en
  • US2022416A - Clip : en
  • FR790921A - Contact device between moving parts and fixed parts applicable to adjustment resistors and voltage dividers, particularly for t devices. s. f. : en fr
  • DE622412C - Shaking device for vacuum cleaner filter : de en
  • DE622459C - Arrangement for manual volume control for superheterodyne receivers : de en
  • GB438966A - Oil feed-rod having feed-blades in the shape of the segments of a ring, for lubricating axle-bearings : en
  • GB439052A - Improvements in or relating to traffic control signals : en
  • ES4178U - A calendar for sports competitions (Machine-translation by Google Translate, not legally binding) : en es
  • ES4229U - Heating clamp for permanent undulations. (Machine-translation by Google Translate, not legally binding) : en es
  • PL22241B1 - Breathing apparatus. : en pl
  • PL22271B1 - Method of securing the ends of the pipes in the holes of the plates. : en pl
  • GB438974A - Improvements relating to baths : en
  • GB438990A - Improvements in and relating to ophthalmoscopes and other like instruments : en
  • US2022211A - Portable lawn canopy : en
  • DE622403C - Process for desulphurising viscose rayon : de en
  • FR790683A - Angled and tapered valve box for instant wells : en fr
  • DE622417C - Gyroscope, especially for displaying absolute directions on board aircraft : de en
  • PL22281B1 - Method for producing ammonium sulphate. : en pl
  • US2022134A - Front motor support : en
  • DE622386C - Inductively heated flow heater for liquids such as milk : de en
  • SU44954A1 - Cathodic Farsight Transmitter : en ru
  • SU45182A1 - Door lock : en ru
  • USD97627S - Design for a gown : en
  • FR790866A - Improvements to signaling devices for urban traffic : en fr
  • FR790906A - Bicycle rack : en fr
  • FR790707A - Improvement in armor mechanics and jacquard mechanics : en fr
  • FR790892A - Improvements to internal combustion engines of the liquid fuel injection and compression ignition type : en fr
  • PL22282B1 - Machine for continuously connecting lids and bottoms with glued walls of paper or cardboard vessels. : en pl
  • PL22322B1 - A method for stabilizing pentaerythritol tetranitrate. : en pl
  • US2022101A - Well drill : en
  • US2022426A - Spring suspension for vehicles : en
  • FR790737A - New aromatic bases and their use in the production of azo dyes : en fr
  • FR790941A - Improvements to sheet glass drawing apparatus : en fr
  • DE622357C - Process for the preparation of tertiary nitriles : de en
  • US2022548A - Divisible flat for greenhouses : en
  • US2022562A - Propeller : en
  • DE622480C - Process for the production of absorbent, oxidic carrier layers for photographic images : de en
  • ES139648A3 - Procedure for heating or cooling an exchange and installation surface for the implementation of this procedure. : en es
  • FR790602A - Tight-closing removable electric accumulator : en fr
  • GB439068A - Improvements in ventilators : en
  • GB439107A - Optical device for obtaining a narrowly limited luminous surface : en
  • GB439115A - Improvements in or relating to the production of printing plates : en
  • FR790765A - Improvement in the operation of small toy cars fitted with a mechanical, electrical or other propulsion device, and that of all vehicles, animals, etc., driven by a propulsion mechanism : en fr
  • GB439020A - Improvement in cough-drop and process of making it : en
  • DE622309C - Flexible connector for bare electrical lines : de en
  • DE622520C - High voltage fuse : de en
  • DK50945C - Pump for the production of air foam, in particular for firefighting purposes. : da en
  • GB438934A - Improvements in or relating to electrolytic condensers : en
  • GB439103A - Improvements in or relating to radio receiving systems and circuits and apparatus therefor : en
  • FR790843A - Hermetic tipping bin for household waste disposal : en fr
  • GB438975A - Improvements in or relating to chains : en
  • SU45031A1 - Steam boiler : en ru
  • SU45052A1 - Free drum winch : en ru
  • DE613693C - Device for descaling, cleaning and gutting fish : de en
  • US2021962A - Dishwashing machine : en
  • US2022234A - Surgical and like needle and its manufacture : en
  • ES4182U - A burner for liquid fuels, especially for gas oil (Machine-translation by Google Translate, not legally binding) : en es
  • GB438865A - Improvements in or relating to gasfilled electric incandescent lamps intended more particularly for photographic purposes : en
  • GB438927A - Automatic articulated coupling for vehicles, more particularly for trailers of road motor vehicles : en
  • GB439288A - Improvements in or relating to radio receivers : en
  • FR790749A - New product to make curls or curls with the hair : en fr
  • FR790946A - Method and device for artificially tempering materials to be transformed into foam or similar products : en fr
  • GB438940A - Improvements in flame cutting machines : en
  • US2022482A - Storage battery paste : en
  • DE622348C - Device for coupling the tie shaft of straw balers or the like with their drive : de en
  • DE622538C - Machine for sharpening rock drill bits : de en
  • ES139588A1 - Improvements provided to the sliding bolts for two-door doors. : en es
  • ES4198U - Brooch for leagues. (Machine-translation by Google Translate, not legally binding) : en es
  • DE622274C - Process for the production of sulfur dyes : de en
  • US2022329A - Water clarifying apparatus : en
  • ES139618A1 - A procedure for the manufacture of terry cloth for bathrobes and other applications. : en es
  • US2021930A - Process for the production of xanthates : en
  • US2022468A - Flat knitting machine : en
  • ES139650A1 - Apparatus for recovering water from underground formations or layers or for supplying them therein. : en es
  • ES139148A1 - A new procedure for the manufacture of seals, brands for packaging, imprentillas and rubber brands. : en es
  • ES4212U - A new type of reinforced hinge (Machine-translation by Google Translate, not legally binding) : en es
  • DE611763C - Relieved steam inflow valve : de en
  • DE622304C - Device for pinching shoe tips by means of adhesive : de en
  • ES139038A1 - A new procedure for the pasteurization of wines, vermouths and other beverages. : en es
  • ES139775A1 - Internal combustion radiator. : en es
  • GB438903A - Improvements in or relating to television, and like systems : en
  • FR790930A - New book binding system : en fr
  • GB439044A - Improvements in or relating to shoe-upper shaping machines : en
  • GB439167A - Improvements in machines for shearing metal sheets and the like : en
  • AT143768B - Overlay Telephony System. : de en
  • BE411535A - Improvements to powder fuels. : en fr
  • CA354379A - Barbituric acid compound : en fr
  • CH180900A - Device for evacuating garbage, waste, etc. : en fr
  • CH181080A - Installation circuit breaker with manual and free release. : de en
  • DE622206C - Circuit arrangement for automatic and semi-automatic telephone systems : de en
  • DE622363C - Process for the production of an artificial ice sheet : de en
  • GB438933A - Improvements in and relating to door locks : en
  • US2022582A - Pressure adjusting device for pneumatic transmission of measurements : en
  • AT143749B - Radio receiver. : de en
  • CA354362A - Stove : en fr
  • CH180920A - Dowels. : de en
  • AT143735B - Device for the automatic display of faults in systems for remote monitoring of moving organs. : de en
  • AT143564B - Fuel pump regulator for injection internal combustion engines with flow rate and speed change. : de en
  • AT143573B - Electric discharge tube with hot cathode and gas filling. : de en
  • DE622534C - Gear for light starting machines of internal combustion engines : de en
  • ES139627A1 - A process for manufacturing paints, enamels or varnishes, in powder, which by simple further dissolution in appropriate solvent, can be used immediately. : en es
  • FR790671A - Device for seeing objects using infrared rays emitted by these objects : en fr
  • GB438805A - Improvements in or relating to the production of photographic diazotype prints : en
  • GB439143A - Improvements in or relating to furnace walls, furnace-gas baffle plates and the like : en
  • US2022164A - Water filtering and cooling means : en
  • BE411781A - : en
  • US2021958A - Machine for operating upon shoe parts : en
  • US2022552A - Ball mill : en
  • US2022586A - Quick-trip dry pipe valve : en
  • DE622575C - Detachable connection of timber framework : de en
  • DE622527C - Body support for resting on a horizontal surface : de en
  • US2022454A - Monocular photographic apparatus : en
  • GB438801A - Improvements in or relating to apparatus for copying films : en
  • US2021993A - Woven fabric : en
  • US2022296A - Windshield : en
  • ES139787A1 - A new system of spindles for continuous spinning, twisting and similar machines. : en es
  • DE622507C - Process for the recycling of the scrap metal strips that are created when cutting blanks from strip material : de en
  • GB439045A - An improved chromium manganese steel alloy : en
  • GB438810A - Improvements in the purification of hydrocarbons : en
  • USD97654S - Design for a drainer for dishes : en
  • US2022052A - Belt drive : en
  • ES4205U - Articulated metal plates toy (Machine-translation by Google Translate, not legally binding) : en es
  • GB439134A - Apparatus for use in fishing : en
  • FR790950A - Airtight sealed paper container : en fr
  • FR790626A - Hair activity products : en fr
  • DE622204C - Device for collecting moisture in steam turbines : de en
  • ES139152A1 - A process for the manufacture of rubberized permeable fabrics. : en es
  • ES139423A1 - An apparatus that generates artificial air to provide a breathable atmosphere inside a protective cover of the human body against the action of deadly and toxic gases. : en es
  • FR790936A - Improvements to porous elastic fabrics and their production : en fr
  • FR790939A - Portable electric press for vulcanizing objects made of rubber or other similar materials : en fr
  • FR791000A - Improvements to electronic variable slope lamps : en fr
  • USD97599S - Design for a textile fabric : en
  • DE622576C - Multi-row fireplace : de en
  • DK50946C - Radio receiver. : da en
  • US2021884A - Photographing apparatus : en
  • DE622526C - Method and device for the production of wired glass : de en
  • DE622563C - Overload protection device for electrical machines and apparatus : de en
  • DE622475C - Automatic shooting game with compressed air pistol : de en
  • FR790642A - Improvements to exhibition cards for sale of various objects : en fr
  • FR790924A - Device for preparing acetylene gas for internal combustion engines, welding installations, etc., the water being introduced into the container filled with carbide and closed on the outside : en fr
  • FR790738A - Fountain pen holder called interchangeable capsule stylograph : en fr
  • US2022207A - Positive displacement pump of the constant delivery type : en
  • US2022311A - Preparation of pulps containing hard binder substances : en
  • US2022536A - Electrical regulating system : en
  • GB439133A - Improved irrigating rectal dilator : en
  • GB439137A - Improvements in door locks : en
  • CA354439A - Draft and buffing gear : en fr
  • CH181084A - Arc converter. : de en
  • DE622482C - Die for sharpening screw shaft ends : de en
  • DK50937C - Electrical Contact at Alarm Clocks for any Termination of an Alarm Circuit. : da en
  • FR790605A - Device facilitating the fixing of a film on a winding reel : en fr
  • DE622320C - Process for the manufacture of products containing rubber and asbestos : de en
  • DE622474C - Precious metal alloy : de en
  • FR790968A - Coil clutch device receiving phonogram supports in electromagnetic speaking machines : en fr
  • DE622366C - Servo motor for switching devices, especially for multiple fluid gears in rail vehicles : de en
  • FR790704A - Process for the preparation of porous compositions : en fr
  • GB439027A - Improvements in or relating to rotary piston engines : en
  • AT143752B - Discharge tube with an oxide cathode. : de en
  • DE622452C - Device for mixing and moistening tobacco leaves : de en
  • FR790999A - Smokehouse : en fr
  • AT143783B - Fountain pen. : de en
  • CH181071A - Vibration damper for suspended conductors. : en fr
  • DE622506C - Process for the extrusion of solid or hollow profiles : de en
  • DE622278C - Electrodynamic pickup : de en
  • CA354338A - Button making machine : en fr
  • CH180889A - Self-drinking bowls for animals. : de en
  • CH181109A - Money changer. : de en
  • AT143579B - Spring-loaded cylindrical socket. : de en
  • SU45156A1 - Revolver head : en ru
  • US2022112A - Electric furnace and method of operation : en
  • CA354387A - Steam boiler : en fr
  • CH181150A - Gyroplane. : de en
  • SU45049A1 - Device for cleaning liquid metal : en ru
  • AT143571B - Transmission network. : de en
  • SU45016A1 - Electric welding press : en ru
  • SU45185A1 - Metal shoe pad : en ru
  • CH180905A - Boiler with firing. : de en
  • GB438860A - Improvements in microscope objectives : en
  • CA354418A - Magnesium production : en fr
  • DE622461C - Fusible link for overcurrent fuses : de en
  • CA354409A - Isobutylene polymer production : en fr
  • USRE19766E - Liquid fuel burner ignition : en
  • CH180941A - Auxiliary apparatus for sewing machines for making carpets, blankets, fringes and the like. : de en
  • FR790961A - Electric lighting device for vehicles : en fr
  • AT143755B - Arrangement for multiple use of a discharge. : de en
  • AU2231535A - Improvements relating to photographic material use in connexion therewith : en
  • ES139731A3 - Improvements in the manufacture of pistons or plungers for internal combustion engines. : en es
  • ES4179U - Bracelet or chain bracelet. (Machine-translation by Google Translate, not legally binding) : en es
  • AT143577B - Flashlight. : de en
  • CH180985A - Jass results registration board. : de en
  • GB438853A - New or improved device or instrument for use in sharpening safety razor blades : en
  • CH181092A - Electric incandescent lamp. : en fr
  • PL22224B1 - A method for producing sulfur from gases and an apparatus for carrying out the method. : en pl
  • CH180931A - Funnel. : en fr
  • SU45018A1 - Impact welding method : en ru
  • CA354448A - Wire cable : en fr
  • DE622288C - Bullet with multiple effects, especially for small calibers : de en
  • FR790877A - Process for the preparation of refractory products from natural products rich in magnesium orthosilicate, and in particular from olivine rocks : en fr
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