• DE602045C - Scissors with serrated or corrugated cutting blades : de en
  • FR769547A - Horizontal pedaling device for bicycles : en fr
  • SU38457A1 - Single-loop alarm device : en ru
  • GB415563A - Improvements in liquid fuel burners : en
  • GB415608A - Improved method for jointing tubes, such as boiler tubes, to plates : en
  • ES135125A3 - A procedure for the manufacture of twisted thread, of natural silk. : en es
  • FR43756E - Improvements in the supply of internal combustion engines : en fr
  • SU38233A1 - Electrical resistance : en ru
  • FR769485A - Process for the manufacture, using cellulose derivatives, of supports for photographic layers : en fr
  • FR769692A - Decorative or industrial coatings in glass and rubber : en fr
  • FR769787A - Typewriter Improvements : en fr
  • AU1394133A - Improvements in or relating to modulated carrier wave transmitters : en
  • CH171481A - Winding for polyphase alternating current machines. : de en
  • FR769479A - Umbrella stand perfected : en fr
  • FR769617A - : fr
  • FR769503A - Improvements to mechanical feelers of automatic looms : en fr
  • GB415497A - Improvements in or relating to selenium and like cells : en
  • DE601981C - Door closer with liquid piston brake and horizontally lying brake cylinder : de en
  • ES135038A1 - Improvement in the manufacture of bread, particularly bread regime for diabetics. : en es
  • US1971759A - Flatiron : en
  • SU38234A1 - Device for the supply of current to the electrical heating resistance : en ru
  • SU38331A1 - Electromagnetic compass : en ru
  • SU38456A1 - Fire Alarm Device : en ru
  • SU38521A1 - Wire bending device : en ru
  • DE601892C - Hydraulic double flap weir : de en
  • DE602062C - Casting plant for the production of heating elements : de en
  • US1971976A - Oil heating and lubricating device for engine cylinders : en
  • FR769680A - Device giving a clear arrangement of rectifiers, transformers, chokes and conductors in rectifier installations : en fr
  • GB415643A - Improvements in and connected with suction operated milking apparatus : en
  • ES134321A3 - Procedure for the manufacture of mouthpiece caps for cigarette butts and similar objects. : en es
  • FR769691A - Improvements made to automatic by-passes for hydro-electric devices for steering ships : en fr
  • FR769745A - Process for the cold separation of bituminous products from mineral oils and waste : en fr
  • GB415749A - Manufacture of dyestuffs : en
  • SU38340A1 - Instrument for determining the amount and composition of light penetrating water at different depths : en ru
  • US1971593A - Convertible fifth wheel : en
  • ES135123A1 - Self-priming centrifugal pump. : en es
  • ES135135A3 - Procedure for the manufacture of tubular containers of aluminum, zinc, copper or other metals. : en es
  • PL20219B1 - A method of strengthening the edges of paper runners of this method. device for exercise : en pl
  • US1971516A - Length gauge and marker for dresses : en
  • US1971589A - Cloth holder : en
  • US1971620A - Internal combustion engine : en
  • US1971926A - Easel : en
  • GB415576A - Improvements in and relating to protective electrical circuits for power lines and the like : en
  • FR769491A - Process for the purification of ultramarine and analogous pigments : en fr
  • FR769790A - Internal combustion engine with self-ignition and compression chamber in two or more parts : en fr
  • GB415574A - Improvements in or relating to attachments for the earpieces of radio or telephone receivers : en
  • CH171266A - Process for the production of building structures. : de en
  • SU38427A1 - Electromagnetic speed controller for primary engines : en ru
  • GB415612A - Improvements in or relating to radio receivers and like apparatus : en
  • GB415724A - Improvements in or relating to x-ray tubes : en
  • DE594800C - Show stand : de en
  • FR769638A - : fr
  • US1971666A - Apparatus for heat treating strip metal : en
  • US1971911A - Electric receiver for signaling arrangements : en
  • US1971995A - Curtain roller : en
  • GB415573A - Improvements in or relating to radio receiving installations with automatic volume control : en
  • SU38236A1 - The method of obtaining wood glue : en ru
  • FR769746A - Process for the manufacture of synthetic leather and new product obtained : en fr
  • DE601909C - Test clamp with two metal parts designed as line connectors, which are connected to one another by a separator : de en
  • FR769540A - Movable anode discharge tube : en fr
  • FR769652A - Apparatus for the manufacture and preservation of ice cream : en fr
  • PL20244B1 - Trailer with overhead body. : en pl
  • US1971364A - Self-heating conserve : en
  • DE602042C - DC drive for hoists : de en
  • FR769655A - Advanced laundry wringer : en fr
  • DE601875C - Pressure reducing valve : de en
  • FR769654A - Drive device for webs, sheets and the like : en fr
  • GB415654A - Improvements in the construction of low pressure boilers : en
  • ES135088A1 - Turbo machine, in particular hydraulic turbine with adjustment of the blades of the mobile wheel. : en es
  • FR769553A - : fr
  • GB415713A - Improvements in or relating to protective or safety devices for electrically propelled vehicles : en
  • ES135079A1 - Improvements in the cooling devices of the rapid firearms. : en es
  • DE601741C - Room closure ceiling, especially for wide-span halls : de en
  • SU38251A1 - Method of enrichment with tanning agents and sterilization of tanning juices or tanning extracts : en ru
  • US1971713A - Pump valve : en
  • ES135082A1 - A procedure to obtain fruits and vegetables products. : en es
  • ES135143A1 - Improvements in the manufacture of tin cans, especially tin cans. : en es
  • GB415636A - Improvements in and relating to manually or pedal operated transmission systems for velocipedes : en
  • SU38253A1 - Method for producing tannins for tanning leather : en ru
  • SU38312A1 - The way to eliminate galoshnogo marriage, the so-called "corrosion" : en ru
  • GB415511A - Improvements relating to vapour stoves or lamps : en
  • DE601987C - Paper folding machine with a conveyor device provided between two folding groups : de en
  • GB415661A - Improvements in closures for the charging and discharging openings of containers, storage chambers and the like : en
  • GB415704A - Improvements relating to electric generator units for internal combustion engines : en
  • GB415558A - Improved means for protecting cycle saddles and seats from the weather : en
  • GB415715A - The manufacture of therapeutic media : en
  • GB415685A - Improvements relating to rose boxes : en
  • DE602103C - Method for operating internal combustion engines : de en
  • FR769685A - A method and apparatus for making strand fibers using continuous filaments : en fr
  • GB415506A - Improvements in or relating to lamp holders for electric lamps of tubular form : en
  • CA344194A - Sensitizing emulsion : en fr
  • FR769514A - Air circulation fireplace side box : en fr
  • FR769762A - Method and device for obtaining hydrogen peroxide by distillation : en fr
  • FR769800A - Process for manufacturing a sugar established from biological data, particularly suitable for food : en fr
  • SU38403A1 - A device for stripping the ends of tubes and radiator slats before soldering : en ru
  • SU38178A1 - Device for controlling steam or pneumatic servo-engine locomotive reverse : en ru
  • SU38547A1 - Light sensitive device : en ru
  • PL20326B1 - Drive in inclined mills. : en pl
  • SU38223A1 - Relay for the protection of oil filled transformers : en ru
  • CA344158A - Iron or steel and cement manufacture : en fr
  • CH171470A - A two-stroke engine comprising, for each engine cylinder, an air supply pump not integral with the engine piston. : en fr
  • FR769454A - Method and apparatus for space heating : en fr
  • GB415500A - Improvements in folding supports for fishing rods : en
  • CA344228A - Electrical apparatus : en fr
  • US1971498A - Counterbalance and loading and unloading device therefor : en
  • US1971520A - Floor waxer : en
  • DE557969C - Laundry rammer : de en
  • ES135104A1 - IMPROVEMENTS INTRODUCED IN HEATED AUTOMOBILE VEHICLES : en es
  • US1971586A - Arc quencher : en
  • US1971616A - Brake : en
  • US1971913A - Combustion chamber for internal combustion engines : en
  • CH171461A - Method of making a tight reinforced concrete pipe joint. : de en
  • DE601937C - Process for producing drinking tubes from paper : de en
  • SU38423A1 - Optical compensator for film projector with continuous film advancement : en ru
  • US1971625A - Siftproof bottom in paper bags : en
  • CH171328A - Washing machine. : de en
  • US1971425A - Portable conveying apparatus : en
  • CA344269A - Telephone system : en fr
  • GB415683A - Improvements in or relating to rear wheel mountings for cycles : en
  • AU1579734A - Improvements in well tubes for irrigation and like purposes : en
  • CH171448A - Folding machine, in particular for producing a seam on leather. : de en
  • US1972013A - Process for the conversion of hydrocarbons to lighter hydrocarbons : en
  • US1971334A - Mechanism for applying elastic gaskets to containers : en
  • CH171422A - Device for determining the direction and the speed of moving bodies. : de en
  • CH171286A - Lengthwise quilted bedspread composed of individual beads. : de en
  • US1971353A - Filter and fluid segregator assembly : en
  • SU38076A1 - Washing machine : en ru
  • CH171484A - Electric machine rotors. : de en
  • FR769456A - Device for guiding an object to be observed under a microscope, allowing the object to be subjected to microscopic movements, directly by hand : en fr
  • ES135091A1 - A procedure for gluing carpet linings. : en es
  • DE601969C - Compressed gas generator with internal combustion and freely movable piston : de en
  • FR769669A - Chainless mercerizing machine for dry mercerization : en fr
  • DE601918C - Two-part sliding door, especially for furniture : de en
  • US1972029A - Welding apparatus : en
  • GB415695A - Liquid stirring and separating apparatus : en
  • GB415568A - Improvements in or relating to ward-leonard control systems : en
  • GB415735A - Improvements relating to prepayment mechanism for electricity, gas and like meters : en
  • SU38563A1 - A device for injecting fuel in internal combustion engines without compression engines : en ru
  • US1971922A - Earth boring apparatus : en
  • SU38430A1 - Controlled parachute : en ru
  • US1971518A - Method and apparatus for expanding high pressure gas : en
  • SU38186A1 - Exhaust valve on brake air chambers : en ru
  • CH171445A - Process for the manufacture of blades with hollow, seamless blade for turbines, compressors and other rotary machines and blades manufactured according to this process. : de en
  • CH171605A - Device for image decomposition or image composition in television. : de en
  • PL20334B1 - The method of obtaining dialkyl amides of di- or trimethoxy- or ethoxy-benzoic acids, or also methoxy-ethoxy-benzoic acids. : en pl
  • CH171353A - Process and device for the continuous production of fine-grained precipitations. : de en
  • DE602063C - Mattress with elastic straps : de en
  • SU38381A1 - Motor device for felling : en ru
  • FR769614A - Two-stroke diesel engine with equicurrent scanning : en fr
  • FR769628A - Detector of combustible gases such as firedamp : en fr
  • US1971417A - Motor support : en
  • US1971741A - Means for obtaining automatic volume control in radio sets : en
  • PL20299B1 - The method of obtaining azo compounds with urea action. : en pl
  • SU38095A1 - Pipe cutter : en ru
  • US1971895A - Process of reclaiming bone black and like materials : en
  • US1971612A - Christmas tree board : en
  • US1971472A - Steamboat ratchet : en
  • US1971971A - Electrical heating appliance : en
  • SU38495A1 - Booster : en ru
  • US1971484A - Tape applying machine : en
  • DE601984C - Machine gun with removable barrel : de en
  • USRE19290E - Electrically lighted floor cleaner : en
  • DE602101C - Bale protector : de en
  • AU1698434A - An improved rotary pump : en
  • CH171584A - Process for the production of a valuable condensation product. : de en
  • DE601897C - Method and device for printing paper webs u. Like. For the production of envelopes u. like : de en
  • DE601992C - Process for the production of white-grained iron enamel : de en
  • ES135101A1 - Safety mechanism for elevators, hoists and other lifting devices. : en es
  • ES135134A1 - Improvements in the winding machines destined to disintegrate folders or strings of threads. : en es
  • GB415599A - Improvements in golf clubs : en
  • GB415674A - Improvements in projectiles : en
  • CH171436A - Method for applying molten cast iron to steel and iron bodies. : de en
  • DE596431C - Device for improving the propulsion efficiency of vehicles by deflecting the propeller jets at an acute angle to the direction of travel : de en
  • SU38142A1 - Method for volumetric determination of zinc : en ru
  • SU38227A1 - Single phase serial collector motor : en ru
  • SU38560A1 - Device for calming torsional vibrations of the shaft : en ru
  • US1971413A - Means for operating a portable stacker : en
  • FR769648A - Vehicle for the transport of household waste and any other matter : en fr
  • CA344221A - Building wall : en fr
  • CH171518A - Electric lights, in particular bedside lights. : de en
  • US1971739A - Engine starter : en
  • US1972047A - Centrifugal friction clutch : en
  • AU1394333A - Improvements in or relating to radio receivers and like apparatus : en
  • PL20187B1 - System of connections of a railway adjusting device. : en pl
  • SU38455A1 - Device for automatic signaling on a specific schedule : en ru
  • SU38538A1 - Image Transfer Method : en ru
  • CH171507A - High voltage discharge vessel. : de en
  • US1971598A - Hydraulic control and operating mechanism for machine tools : en
  • USD93163S - Design fob a dish ob similar article : en
  • CA344280A - Mineral oil processing : en fr
  • CA10439S - Vehicle wheel : en
  • CH171262A - Wall-mounted gas bath heater. : de en
  • SU38130A1 - Installation for cooling and absorption of hydrochloric gas : en ru
  • CH171316A - Electric drive, in particular for looms and looms. : de en
  • CH171583A - Process for the production of a valuable condensation product. : de en
  • GB415461A - Improvements in or relating to game apparatus : en
  • US1971639A - Manufacturing zinc oxide : en
  • US1971755A - Signal repeater : en
  • US1971771A - Printing press : en
  • US1971973A - Violin bow : en
  • DE602078C - Swim belt : de en
  • DK49190C - Device by plugs. : da en
  • DE601889C - Device for cutting edibles into slices : de en
  • AU1402533A - Volatilizing zinc : en
  • CH171253A - Covering for waterproof roofs and ceilings. : de en
  • FR769730A - Method of adjusting discharge devices in a gas or vapor atmosphere : en fr
  • US1971493A - Vacuum cleaner : en
  • FR769534A - Vehicle refinements : en fr
  • CH171338A - Process for the production of zippers. : de en
  • BE404037A - : en fr
  • CH171246A - Method of selective destruction of herbs. : en fr
  • GB415619A - Improvements in or relating to thermionic amplifiers : en
  • SU38504A1 - Self-acting regulator for wind-driven pumps : en ru
  • PL20345B1 - Writing device for learning Morse code. : en pl
  • US1971948A - Renewable base for bowling pins : en
  • PL20366B1 - A method of producing sleeping pills. : en pl
  • SU38137A1 - The method of obtaining aluminum alum : en ru
  • US1971729A - Mixed oil gas and water gas production : en
  • US1971966A - Process of manufacturing positive sensitized paper : en
  • SU38476A1 - Lime Slaking Machine : en ru
  • US1971720A - Rectifier control system : en
  • CA344214A - Electric valve converting apparatus : en fr
  • AU1394433A - Improvements in or relating to radio and like receivers : en
  • CA344275A - Band pass circuit : en fr
  • CA344156A - Canning process and apparatus : en fr
  • DE601967C - Device for monitoring the operating times of machines and apparatus : de en
  • PL20369B1 - Method of preparing fungicidal insulation. : en pl
  • SU38084A1 - Cutting chain to cutting and combi machines : en ru
  • SU38432A1 - One wheel trolley for carrying and transporting various items : en ru
  • US1971856A - Paving means : en
  • US1971875A - Packing machinery : en
  • CH171433A - Refining process for impure copper. : en fr
  • DK49173C - Rotary machine. : da en
  • CH171341A - Shoe. : en fr
  • GB415669A - Improvements in road traffic control signal apparatus : en
  • GB415740A - Improvements in and relating to the treatment of diaphragm leathers for gas meters and like apparatus having leather diaphragms : en
  • DK49180C - Apparatus for distributing feed by wheelbarrows, handcarts or the like for feed use. : da en
  • FR769752A - New compounds of the oxa-pseudo-cyanine type, their preparation process and their applications as dyes, in particular as photographic sensitizers : en fr
  • PL20263B1 - Auxiliary device for learning accounting. : en pl
  • US1971654A - Wall covering : en
  • US1971878A - Automatic weight recording device : en
  • US1972005A - Aircraft : en
  • PL20361B1 - Zarowa lamp for headlamps on motor cars. : en pl
  • SU38087A1 - Metal mount for cleaning faces : en ru
  • US1971537A - Chuck : en
  • US1971865A - Reversing mechanism : en
  • CA344265A - Concrete agitating apparatus : en fr
  • CH171384A - Process for disinfecting groundwater and spring water and device for carrying out the process. : de en
  • ES135131A1 - A refinement in the pressure cylinders for spinning. : en es
  • DE602000C - Ink scraper for the squeegee on rotogravure printing machines : de en
  • FR769608A - Joint with needle bearing for artificial leg foot : en fr
  • US1971826A - Apparatus for demonstrating figure-molding garments : en
  • US1972051A - Upsetting machine : en
  • CH171274A - Process for operating furnaces with recirculation of flue gases. : de en
  • DE601972C - Straight-way cock : de en
  • ES2824U - Depreciable value chip in fractions to be usable in bathrooms and similar establishments. (Machine-translation by Google Translate, not legally binding) : en es
  • CH171272A - Device for melting glass intended for processing on glass fiber. : de en
  • PL20197B1 - Heating apparatus operating by catalysis. : en pl
  • SU38507A1 - Straw hog in a sill conveyor : en ru
  • FR769704A - Tool to grind valve seats : en fr
  • US1971961A - Simplified stabilizer and shockabsorber for automobiles : en
  • US1972018A - Adjustable hat support : en
  • US1971730A - Means for changing direct electric current into alternating current : en
  • PL20359B1 - A method of determining the temperature of a molten metal or metal alloy. : en pl
  • SU38119A1 - Device for cutting frozen peat : en ru
  • US1971575A - Sewing machine : en
  • USD93160S - Design for a shoe : en
  • SU38482A1 - Method for processing acidic oil tars : en ru
  • US1971687A - Hypodermic syringe : en
  • US1972045A - Garment : en
  • CA344240A - Shock absorber : en fr
  • CH171297A - Utensil with removable handle. : en fr
  • CH171308A - Hydraulic bottle encapsulation machine. : de en
  • DE601849C - Aircraft with vertically and horizontally pivotable motors and propellers : de en
  • SU38294A1 - Gutter : en ru
  • US1971854A - Perpetual calendar : en
  • US1971482A - Railway signaling : en
  • US1971522A - Adhesive : en
  • CH171410A - Ski. : de en
  • US1971544A - Combined type writing and com : en
  • CH171337A - Belt blouse. : de en
  • PL20250B1 - A method for producing non-caking artificial fertilizers. : en pl
  • CH171256A - Vehicle for garbage removal. : en fr
  • US1971409A - Aroylene-bis-acetic acid-arylides : en
  • US1971953A - Draft rigging : en
  • FR769505A - Typewriter : en fr
  • SU38512A1 - Safety ball valve for gas rail tank : en ru
  • SU38559A1 - Internal combustion engine : en ru
  • PL20355B1 - Cover for an ID card or similar evidence. : en pl
  • CH171339A - Process for the production of sliders for zip fasteners. : de en
  • CH171397A - Copy device. : de en
  • ES134835A1 - A new system to achieve the change of vehicle speeds. : en es
  • SU38395A1 - Automatic, balanced from centrifugal forces, valve : en ru
  • SU38436A1 - Sandbox for cars : en ru
  • PL20227B1 - A method of producing a coating on a glass. : en pl
  • PL20309B1 - A combination of overlapping ends of metal strips for packing crates, bales and similar packages, and a machine for making this connection. : en pl
  • US1971571A - Safety belt : en
  • US1971815A - Treatment of sulphurous iron ores : en
  • GB415723A - Improvements in or relating to x-ray tubes : en
  • PL20201B3 - A mold for restoring holes in worn parts that support railroad rails. : en pl
  • US1972023A - Machine for lasting stitchdown shoes : en
  • DE601963C - Closure for rubber hot water bottles : de en
  • SU38213A1 - Electrical conductor : en ru
  • SU38492A1 - Device for sorting logs extracted from water in the longitudinal direction : en ru
  • US1971565A - Suit hanger : en
  • SU38291A1 - Combined wood construction of double or single curvature coatings : en ru
  • US1971590A - Sustaining device for aircraft : en
  • US1971830A - Switch contact structure : en
  • CA344227A - High voltage relay : en fr
  • AU1400833A - Improvements in method of and apparatus for treating carbonaceous fluids : en
  • SU38239A1 - Para-phase cracking method : en ru
  • SU38301A1 - Conveyor to circular saw for feeding sticks : en ru
  • SU38078A1 - Mittens : en ru
  • SU38261A1 - A method of manufacturing an overcast earth : en ru
  • SU38086A1 - Mining harvester for a steep fall : en ru
  • SU38506A1 - Multi-blade sawing machine for sugar heads : en ru
  • US1971702A - Automobile wheel gauge : en
  • AU1416733A - A food product forthe relief of constipation : en
  • US1971411A - Sheathing for buildings : en
  • US1971538A - Die cleaning device for electric welding machines : en
  • US1971606A - Diaper : en
  • CH171541A - Method and device for television or cinematography in natural colors. : de en
  • CH171434A - Copper alloy, in particular for bearing shells resting on the steering knuckle of rail vehicles without soft metal lining. : de en
  • CH171467A - Hot water segment pump. : de en
  • FR769729A - Removable key seal for pipes and similar applications : en fr
  • US1971551A - Adjustable tightening idler : en
  • USD93173S - Design fob a shoe : en
  • PL20223B1 - A furnace for burning coal in coke furnaces for central heating, built of cast iron. : en pl
  • US1971704A - Gas burner control and ignition system : en
  • US1971853A - Apparatus for conveying powdered material : en
  • DE601900C - Device for running in a cylinder inking unit in platen printing presses : de en
  • DE602018C - Device for teaching driving on busy and unclear streets with motor vehicles : de en
  • CA344233A - Paper sheet registering mechanism : en fr
  • CH171309A - Shrink coil. : de en
  • CH171344A - Device for polishing shoe heels. : de en
  • CA344295A - Milk cooling apparatus : en fr
  • DE601864C - Compressed air braking device : de en
  • GB415726A - Improvements in starting devices for internal combustion engines : en
  • CA344172A - Brake : en fr
  • DE602066C - Device for measuring surface deformations, in particular the impressions resulting from the hardness test after the penetration process : de en
  • GB415468A - A handtool for cleaning gas stoves, ovens and the like : en
  • GB415649A - Improvements in and relating to printing machines : en
  • SU38324A1 - The method of removing aluminum from copper and copper alloys : en ru
  • FR43751E - Improvements to extinguishers : en fr
  • GB415543A - An improved method and means of regulating traffic at road junctions and crossings : en
  • FR769567A - Slack adjustment bar clamp rotating with the lathe spindle : en fr
  • FR769575A - Casting apparatus for cylindrical stereotype plates : en fr
  • DE602038C - Process for the production and for the subsequent laying of tubular high-voltage lines : de en
  • FR769846A - : fr
  • FR769472A - Process for the preparation of artificial materials : en fr
  • FR769788A - : fr
  • GB415687A - Transmission line network for radio receiving antenna : en
  • FR43797E - Improvements to remote control systems : en fr
  • GB415518A - Improvements in and relating to apparatus for cutting white metal bearings : en
  • ES2826U - Sole with transverse perforations. (Machine-translation by Google Translate, not legally binding) : en es
  • GB415564A - Improvements in or relating to metal polish : en
  • US1971405A - Conditioning of tobacco and similar materials : en
  • FR769561A - Tent fabric, pentagonal shaped, to be used as a tent, pea coat and sleeping bag : en fr
  • SU38272A1 - Automatic Glass Blowing Tube : en ru
  • SU38326A1 - Caking method : en ru
  • SU38481A1 - The method of making tiles : en ru
  • US1971829A - Method of making tubes : en
  • SU38332A1 - Hydrometric spinner : en ru
  • PL20321B1 - The method of producing pipes is based on centrifugal casting in molds. : en pl
  • US1971600A - Notebook holder : en
  • US1971916A - Gaseous discharge lamp : en
  • CA344201A - Journal box cover : en fr
  • DE594923C - Adhesive plaster strips : de en
  • GB415585A - Improvements in or relating to the production of crepe effects on mixed fabrics : en
  • SU38486A1 - Seal : en ru
  • CH171350A - Process for the production of starch preparations which produce adhesives with cold water. : de en
  • US1971743A - Process of reducing organic compounds : en
  • US1971756A - Vehicle wheel : en
  • DE601922C - Process for the production of laminated glass : de en
  • FR769498A - Desiccation process for the rapid measurement of absolute moisture levels of materials such as tobacco, matches, textiles and means for carrying out this process : en fr
  • CH171542A - Device for written messages on the buttons of house bell systems. : de en
  • PL20193B1 - Induction furnace without an iron core. : en pl
  • PL20358B1 - Device for compressor timing located on the internal combustion engine. : en pl
  • US1971843A - Packing of dental amalgams : en
  • CH171247A - Greenhouse plant. : de en
  • PL20335B1 - : en pl
  • US1971652A - Device for casting under pressure : en
  • CA344291A - Mash processing : en fr
  • DE602147C - Collapsible trestle table : de en
  • SU38424A1 - Device for lighting design with artificial lighting : en ru
  • US1971691A - Composite pile : en
  • GB415561A - Improvements relating to electric radiators : en
  • BE404433A - : en fr
  • CH171279A - Machine for chopping vegetables, fruits and potatoes. : de en
  • DE602048C - Process for operating vertical chamber furnaces in which a gas with a high calorific value is generated : de en
  • CH171318A - Sewing machine. : de en
  • PL20220B1 - Distance meter for photographic purposes. : en pl
  • PL20356B1 - A method of combing and ironing furs at the same time, and a device used for this purpose. : en pl
  • SU38389A1 - Bee feeder : en ru
  • FR769784A - Device for transmitting signals to a train for the transmission of different signals, comprising the use of circuits tuned to the same frequency or to different frequencies : en fr
  • CH171359A - Process for the production of a cleaning, washing, emulsifying, dispersing and softening agent. : de en
  • US1971434A - Attachment for lens mounts : en
  • US1971568A - Ink ribbon feed and reversing mechanism : en
  • CH171402A - Process for sensitizing halosilver gelatin emulsions. : de en
  • SU38364A1 - Instrument for demonstrating the hydrostatic properties of a fluid : en ru
  • US1971986A - Engine starting mechanism : en
  • FR769713A - Advanced rocker head : en fr
  • FR769783A - Device to keep constant the power exchanged between two networks : en fr
  • CH171333A - Shirt with collar. : de en
  • ES135067A1 - An apparatus to avoid the descent of the elevators, due to lack of traction or breakdowns. : en es
  • PL20273B1 - Lapadlo of the lift cage. : en pl
  • SU38105A1 - Device for cutting the ends of the fabric flooring : en ru
  • SU38135A1 - Method of preparation of catalysts for ammonia synthesis : en ru
  • DE602028C - Device for wringing out fire hoses : de en
  • ES134640A1 - Improvements in the manufacture of electric incandescent lamps, full of gas or rarefied atmosphere. : en es
  • FR769593A - Yarns imitating wool : en fr
  • GB415614A - Necktie support : en
  • GB415737A - Improvements relating to mercury and other conducting liquid electric switches : en
  • CA344203A - Electric transmitting system : en fr
  • CH171345A - Homogenization system for powdery material. : de en
  • GB415630A - Improvements in blow pipes for the manufacture of glass bottles, jars and the like : en
  • SU38518A1 - Machine for hot-rolled seamless pipes : en ru
  • DE602036C - Cooling device in the heating zone of continuously operating ovens : de en
  • GB415590A - A new or improved bracket for supporting curtain rails and like fittings : en
  • ES2831U - A coffee roaster (Machine-translation by Google Translate, not legally binding) : en es
  • DE601921C - Process for the production of rubber compounds : de en
  • CA344296A - Dry spinning apparatus : en fr
  • CA344293A - Seed planter : en fr
  • PL20215B1 - Washing and bleaching agent. : en pl
  • SU38217A1 - Switch for electric motors : en ru
  • US1971732A - Multiple control switch : en
  • CH171311A - Pressure cylinder for textile fiber stretching mechanism. : en fr
  • PL20372B1 - A method of manufacturing products made of wood glued under pressure. : en pl
  • US1972044A - Knitting machine : en
  • CA344159A - Rotary gas motor : en fr
  • CA344287A - Jar or bottle closure : en fr
  • SU38410A1 - Mold for thermite pipe welding : en ru
  • US1971807A - Batch weighing apparatus : en
  • US1971993A - Broom hanger : en
  • PL20312B3 - Process for the production of insoluble azo dyes on fibers. : en pl
  • CH171298A - Steam cooker, in particular for cooking potatoes, vegetables and fruits. : de en
  • SU38173A1 - The way to develop tunnels : en ru
  • US1971663A - Knitting machine : en
  • CH171462A - Drive device for motor-controlled shut-off devices. : de en
  • CH171525A - Bandage material. : de en
  • CH171532A - Telephone control set in automatic telephone system. : de en
  • US1971385A - Cast iron pipe : en
  • US1971828A - Sound-projector moving, orienting, and tilting apparatus : en
  • US1971918A - Gaseous electric discharge device : en
  • CA344267A - Telephone system : en fr
  • GB415482A - Improvements in or connected with beating or scutching machines for obtaining fibre from fibre-bearing leaves and stems : en
  • US1971813A - Check strap for picker sticks : en
  • SU38264A1 - Device for the foot and thigh exercises : en ru
  • DE601883C - Device for separating solid or liquid components from gases or vapors : de en
  • DE601936C - Device for displaying the respective direction of movement of a torch controlled by hand according to the mark on the workpiece on flame cutting machines with motor drive : de en
  • US1971822A - Welding apparatus : en
  • PL20377B1 - Ceiling block. : en pl
  • SU38444A1 - Vessel : en ru
  • US1971645A - Engine and propeller arrangement chiefly adapted for aeroplanes and like aircraft : en
  • CH171357A - Process for the preparation of high molecular weight hydrocarbons. : de en
  • SU38296A1 - Sawmill frame : en ru
  • CH171304A - Toothbrush. : en fr
  • CH171324A - Machine for lengthwise shrinking of a fabric. : en fr
  • CH171509A - Multi-anode, grid-controlled high vacuum discharge vessel. : de en
  • CA344161A - Flush valve : en fr
  • SU38355A1 - Instrument for mechanical analysis of suspensions : en ru
  • US1971675A - Electrooptical image production : en
  • PL20286B3 - Material for bulletproof armor. : en pl
  • US1971664A - Ice tray : en
  • BE404183A - PROCESS FOR APPLYING PHOSPHATE COATINGS TO METALS PROVIDING PROTECTION AGAINST RUST : en fr
  • GB415496A - Improvements in apparatus for removing moisture from, and rolling, turfed and other surfaces : en
  • PL20360B1 - Device for shifting the pencil core in a sheath of a peelable material. : en pl
  • US1971673A - Frame for vertical reciprocating engines : en
  • US1971519A - Dial telephone attachment : en
  • US1971602A - Brake : en
  • SU38212A1 - Dry galvanic cell with air depolarization : en ru
  • SU38215A1 - Oil supply tank : en ru
  • US1971846A - Combination friction and positive clutch : en
  • PL20213B1 - Method of obtaining multi-core aromatic amine bases. : en pl
  • SU38224A1 - Device for the protection of three-phase installations : en ru
  • DK49182C - Evaporator. : da en
  • SU38231A1 - Adjustment device : en ru
  • US1971929A - Friction device : en
  • PL20189B1 - A device to prevent the igniter from prematurely operating. : en pl
  • SU38194A1 - Electric device for transferring arrows from the tram car : en ru
  • SU38443A1 - Device for increasing the speed of the ship : en ru
  • CH171551A - Motor vehicle. : en fr
  • GB415659A - Improvements in apparatus for the production of liquid and solid carbon dioxide : en
  • GB415717A - Improvements in echo suppressors or other similar blocking arrangements for telephone and like transmission systems : en
  • AU1398633A - Improved water closet cistern outlet valve operating mechanism : en
  • FR43773E - Instant Ignition Hydrocarbon Steam Stove : en fr
  • CH171306A - Bottle cap. : de en
  • CA344222A - Coated paper : en fr
  • FR769582A - Fixing device between a hub puller and the pull-out hub : en fr
  • SU38441A1 - Wheel with wood tires for crews : en ru
  • DK49193C - Procedure for Treatment of Cement Concrete. : da en
  • US1971419A - Pressure regulator for pressure presses : en
  • US1971839A - Game board : en
  • CA10434S - Vehicle tyre tread : en
  • ES135114A1 - A procedure to coat constructions and other objects with an imitation of marble and other natural stones of various types and colors. : en es
  • US1971817A - Gear shift controlling mechanism : en
  • CA344262A - Mechanical ore reduction : en fr
  • SU38164A1 - Copier paper : en ru
  • CA344164A - Oxygenated organic compound : en fr
  • CH171498A - Device for converting alternating currents with a given number of periods and phases into alternating currents with a different number of periods and phases. : de en
  • CH171426A - Apparatus for the optical sound reproduction of phonograms. : en fr
  • CA344173A - Spooling device for drum cables : en fr
  • CH171581A - Process for the production of a dye preparation for coloring acetyl cellulose. : de en
  • CH171589A - Process for producing a water-soluble diazoamido compound. : de en
  • CH171348A - Device for pouring liquid dough. : de en
  • CH171508A - Discharge tube with an oxide cathode. : de en
  • US1971810A - Electrical distribution system : en
  • CH171323A - Installation for fabric finishing. : en fr
  • US1971572A - Maternity gown : en
  • CH171458A - Flange connection, in particular for hollow bodies, which contain a high temperature pressure medium. : de en
  • DK49177C - Photographer. : da en
  • SU38319A1 - The method of obtaining artificial resin : en ru
  • SU38391A1 - Device for fishing : en ru
  • US1971400A - Slug casting machine : en
  • BE404004A - Improvements to coin changer-pay machines : en fr
  • CH171276A - Furnace for the incineration of household waste. : en fr
  • PL20307B1 - Method for producing lead glazings. : en pl
  • US1971804A - Method and apparatus for spraying powdered material : en
  • AU1397433A - Improvements in or relating to shock absorbers : en
  • PL20333B1 - : en pl
  • CH171440A - Welding converter with a multi-phase motor and a direct current generator. : de en
  • CH171492A - Device for switching switches on and off with the help of an on and off spring. : de en
  • SU38089A1 - The method of purification of wood hydrolysis products : en ru
  • SU38183A1 - Arrangement for uncoupling an automatic coupler from an engine : en ru
  • PL20265B1 - Walk-on grate. : en pl
  • PL20279B1 - A method of lubricating vehicle axle journals on rails and a lubricant suitable for such lubrication. : en pl
  • SU38534A1 - Fixture for preventing splitting of non-rigid two-linkage hitch : en ru
  • US1971481A - Contact bank : en
  • CA344273A - Road marker : en fr
  • CH171576A - Shoe cleaning machine. : de en
  • CA344234A - Screw thread gauge : en fr
  • CH171355A - Stabilizer for peroxide solutions. : de en
  • CH171593A - Process for the preparation of a chromium-containing azo dye. : de en
  • BE404241A - : en fr
  • CA344260A - Metal and alloy processing agent : en fr
  • CH171259A - Body for signaling on roads and pavements. : en fr
  • SU38082A1 - Electric perforation : en ru
  • CH171562A - Control valve for automatic venting of rooms that are only temporarily pressurized. : de en
  • SU38182A1 - Automatic coupling : en ru
  • SU38188A1 - End valve air brake air pipe : en ru
  • US1971613A - Tail wheel construction : en
  • US1971832A - Electrical switch gear : en
  • DE601802C - Machine for assembling the individual parts of drive chains after completion of the inner links : de en
  • CH171411A - Climbing plate for skis and boots. : de en
  • US1971955A - Reversing gear and clutch mechanism : en
  • US1971560A - Candy and holder therefor : en
  • USD93174S - Design for a jar : en
  • FR43775E - Portable pneumatic guillotine shear : en fr
  • BE404430A - : en fr
  • SU38128A1 - The method of obtaining emulsifier from fish shelves : en ru
  • US1971558A - Lady's sanitary undergarment : en
  • DE602061C - Mold with slow heat dissipation : de en
  • CA344242A - Railway signalling system : en fr
  • PL20274B1 - Iron for ironing, heated by light gas. : en pl
  • SU38460A1 - Extraction machine with endless belts for stretching and leveling the belt directly on the carding machine : en ru
  • SU38510A1 - A device for mixing diffusion juice with lime milk : en ru
  • US1971453A - Thread tension device : en
  • PL20190B1 - A file in which the cards are laterally shifted relative to each other. : en pl
  • SU38318A1 - The method of regeneration of waste galalita : en ru
  • SU38362A1 - Building element spring for training purposes, used to indicate the forces arising in the element : en ru
  • CH171572A - Current collector for electric vehicles, with a curved carbon contact strip. : de en
  • CH171598A - Process for the preparation of a dye. : de en
  • US1971421A - Cotton cleaning and ginning apparatus : en
  • US1971360A - Casement window operator : en
  • AU1557233A - Improvements in electric lamps : en
  • PL20258B1 - A method for producing wood flour and an apparatus for using the method. : en pl
  • CA344157A - Golf bag support : en fr
  • CH171290A - Stool with rotating seat. : en fr
  • AU1316423A - Improvements in and relating toa locking device for electric lamps : en
  • CA344225A - Impact meter : en fr
  • SU38325A1 - The method of obtaining hard alloys : en ru
  • US1972026A - Valve bag filler : en
  • FR769642A - : fr
  • FR769811A - Method and device for the production of large crystals by mechanical means : en fr
  • CH171520A - Installation for the recording of physiological and pathological phenomena of the human body on recording supports. : en it
  • DE598112C - Mouthpiece made by impregnation : de en
  • DE601943C - Completion for the cartridge ejection opening of firearms : de en
  • FR769689A - Improvements in sick beds or hospitals : en fr
  • SU38484A1 - Traveling fixture for joining logs in multi-booms, baths, etc. : en ru
  • CA344250A - Cereal food : en fr
  • CH171285A - Shelf. : en fr
  • SU38409A1 - Mandrel for installing sheets in the manufacture of hollow products by welding : en ru
  • CH171383A - Process for the purification of sewage and other residual liquids. : en fr
  • SU38267A1 - Mold : en ru
  • CA344244A - Light signal for railways : en fr
  • CH171343A - Slap. : en fr
  • US1971607A - Packaging for hosiery : en
  • CH171494A - Mercury switch. : de en
  • CH171419A - Horizontal circle attachment on machine guns for anti-aircraft defense. : de en
  • DK49197C - Gas generator. : da en
  • US1972066A - Coated ferrous welding wire : en
  • DE601976C - Steering machine designed for aircraft and watercraft : de en
  • ES135070A1 - Cold metal sawing machine. : en es
  • FR769736A - : fr
  • SU38195A1 - Contact attachment to a mechanical rail pedal : en ru
  • SU38269A1 - Glass melting bath : en ru
  • CH171569A - Electric contact wire and process for its manufacture. : de en
  • SU38499A1 - Adaptation to the loom for the shuttle shuttle : en ru
  • US1971806A - Liquid-level indicator : en
  • CH171258A - Marking signs in the flooring of squares and traffic routes to support traffic control. : de en
  • DK49192C - Radar water for removing ink from paper and the like. : da en
  • FR769489A - Improvements to pulp piles : en fr
  • CH171565A - Spring tongue switch for grooved rails. : de en
  • PL20306B1 - Spray burner. : en pl
  • US1971330A - Pump intake mechanism : en
  • US1971665A - Clutch plate : en
  • US1971886A - Process of making cake and the resulting product : en
  • GB415641A - Improvements in the production of material for the lining of fur rugs : en
  • GB415491A - Electric lampholders : en
  • CH171515A - Device on gas taps to regulate the ratio of gas and air volume. : de en
  • CH171574A - Device for fixing a window to a frame. : en fr
  • FR769518A - Foldable articulated metal seat : en fr
  • PL20341B1 - Pressure device for spindle extractor devices. : en pl
  • CH171372A - Process for the preparation of a blue sulfur dye. : de en
  • CA344289A - Card holder : en fr
  • CH171388A - Accounting institution owning accounting records. : de en
  • BE404377A - Preparation for prolonging the freshness of cut flowers, and other similar applications : en fr
  • FR769620A - Apparatus for performing artificial fever : en fr
  • CA344288A - Surge arrester : en fr
  • DE602102C - safety goggles : de en
  • SU38466A1 - Adaptation to a reel changer for vaters for cutting filaments during the removal of reels : en ru
  • PL20242B1 - Radio or similar transmitting system with modulated high frequency carrier wave. : en pl
  • US1971900A - Decorative and acoustic composition : en
  • US1971957A - Stabilizing shock-absorbing apparatus for motor vehicles : en
  • USD93169S - Design for a typewriting machine : en
  • SU38569A1 - Propeller : en ru
  • US1971389A - Adjustable nose bridge : en
  • US1971356A - Ventilating unit : en
  • CH171586A - Process for producing a water-soluble diazoamido compound. : de en
  • US1971329A - Gum inhibitor : en
  • CH171457A - Tobacco pipe with inserts. : de en
  • DE601990C - Direct current multi-phase current converter for higher frequencies using a direct current machine with a solid yoke and laminated pole pieces : de en
  • CH171468A - Oscillating piston liquid pump with compressed air motor. : de en
  • CH171381A - Process for the production of a carbonaceous fertilizer from rock phosphate. : de en
  • SU38310A1 - A make-up apparatus for the manufacture of rubber products of the seam bases by the conveyor method : en ru
  • SU38465A1 - Water Machine Reel Machine : en ru
  • US1971351A - Hoisting mechanism : en
  • US1971796A - Sewage treatment apparatus : en
  • BE404202A - Currency dispensing device : en fr
  • CH171582A - Process for the production of a dye preparation for coloring acetyl cellulose. : de en
  • DE602142C - Hand shower head that can be connected to a hose : de en
  • US1971757A - Flood lamp standard : en
  • SU38330A1 - Automatic Level : en ru
  • DE601869C - High-pressure gas meter, consisting of a gas meter built into a pressure vessel with a cylindrical housing : de en
  • FR769557A - : fr
  • FR769643A - Two-stroke engine : en fr
  • PL20348B1 - : en pl
  • CH171377A - Process for the production of matches with a water-insensitive ignition material. : de en
  • FR769451A - Improvements in tank construction : en fr
  • FR769690A - Electric wave iron, with adjustable contact current switch, and swivel ball joint : en fr
  • GB415750A - Improvements in, or relating to, automatic circuit-breakers : en
  • ES135129A1 - A procedure for the construction of sound boxes for radiotelephone receivers. : en es
  • USD93153S - Design fob a velocipede : en
  • SU38307A1 - Wood preservation method : en ru
  • SU38394A1 - Internal combustion turbine : en ru
  • US1971592A - Aileron and flap construction : en
  • US1971851A - Boiler : en
  • SU38371A1 - Combined machine for harvesting cabbage and potatoes : en ru
  • AU1394233A - Improvements in or relating to radio receivers : en
  • AU1498233A - Moulding or shaping means and associated method for producing biscuits : en
  • CH171393A - Procedure for specifying the characters to be set. : de en
  • GB415523A - Improvements in bomb sighting and navigational apparatus : en
  • ES135034A1 - A system of evacuation pipes by independent draft. : en es
  • FR769550A - Indirectly heated cathode : en fr
  • DE602146C - Gas stove : de en
  • PL20254B3 - Device for shaping ferroconcrete girders. : en pl
  • GB415486A - Improvements relating to handles for hollow-ware and the like : en
  • GB415642A - Improvements in devices for grinding rollers with a convex longitudinal curvature on circular grinding and like machines : en
  • FR769580A - Device for fixing the insulating pads earthing the electric cable armatures in a junction box : en fr
  • DK49189C - Handlebars for Bicycles, especially Motorcycles. : da en
  • SU38585A1 - Apparatus for producing sugar from fiber containing plant materials : en ru
  • GB415515A - Improvements in or relating to thrift or money boxes : en
  • FR769733A - Three-phase system with adjustable amplitude and phase : en fr
  • CA10441S - Vehicle wheel : en
  • CA344199A - Centrifugal casting method : en fr
  • GB415657A - Ventilated induction motors : en
  • SU38453A1 - Device for barriers with the use of voltage wires : en ru
  • US1971972A - Filter element : en
  • GB415465A - A binding or cover for periodicals and the like : en
  • CH171451A - Fastening device for pulling elements such as ropes, chains etc. : de en
  • CH171577A - Instrument for holding a dish. : en fr
  • DK49186C - Gas development plant or similar. : da en
  • CA344266A - Container making apparatus : en fr
  • CH171243A - Classifying grate. : de en
  • US1971450A - Fire extinguisher and other pumplike device : en
  • DE602014C - Process for dry spinning of synthetic threads from cellulose esters : de en
  • CH171607A - Motor drive, in particular for electric switch signal boxes. : de en
  • DE601877C - Shaken flat screen for the paper, pulp, wood pulp and similar industries : de en
  • CH171603A - Internal combustion engine operating with a pre-compressed charge. : de en
  • CH171255A - Iron base with guide device for railroad tracks and a method for producing the same. : de en
  • CH171552A - Roof rack. : de en
  • GB415759A - Improvements in or relating to apparatus for operating upon sheet material : en
  • SU38197A1 - Device for communication between station and moving train : en ru
  • SU38513A1 - Sealing device for pistons and dry gas tanks : en ru
  • DE602145C - Suspension lift with main rope and hoist rope : de en
  • DE601881C - Process for the production of drawing pins, upholstery pins or the like. : de en
  • DE602037C - Driving switch with which the crank can be automatically decoupled from the shift drum, especially for electric railways : de en
  • GB415754A - Lock nut : en
  • GB415460A - Improved means for automatic control of starting and stopping devices for internal combustion engines : en
  • GB415664A - Improvements in and relating to mowing machines : en
  • DE601888C - Steering device for caterpillar vehicles : de en
  • ES135102A1 - Improvements in the construction of devices for the discharge of electrons. : en es
  • FR769499A - Device for spreading gravel or heavy materials that can be adapted to vehicle bodies : en fr
  • DK49198C - Bag-shaped Net. : da en
  • DE562891C - Process for the multi-stage electrical cleaning of dry gases : de en
  • ES135118A1 - Perfeccionamientos in the installations of central heating by hot water. : en es
  • US1971569A - Safety shutter for projectors : en
  • SU38287A1 - A device for connecting local systems of central steam or water heating to a heat and power supply line operating at high pressure or overheated soda : en ru
  • ES135120A1 - Procedure to close bottles with tin capsule. : en es
  • PL20241B1 - Device for joining loose sheets. : en pl
  • SU38372A1 - Adaptation to cabbage harvesters for trapping and diverting forks separated from the stump into the bunker : en ru
  • ES135064A1 - PROCEDURE APPLICABLE TO CONTINUOUS CIRCULATION FORCE INSTALLATIONS TO USE THE HEAT OF THE REFRIGERATING LIQUID AND THE GASES ALREADY USED FROM INTERNAL COMBUSTION MACHINES : en es
  • GB415521A - Improvements in and connected with polishing brushes and the like : en
  • GB415681A - Improvements in spoke covering discs for vehicle wheels : en
  • DE602012C - Electric low-voltage discharge tubes, especially for light emission, with gas filling and two pairs of electrodes : de en
  • FR769603A - Process for separating gas from a fluid in vacuum production installations by pumping : en fr
  • GB415596A - Improvements connected with buckles or the like : en
  • DE601920C - Process for the production of a plastic mass by reacting polysulfides with paraffin compounds : de en
  • DE601942C - Multiple loading light signaling device, in particular light signal pistol : de en
  • SU38445A1 - Blood Defibration Unit : en ru
  • SU38489A1 - Mechanical shovel : en ru
  • FR769544A - Explosion-proof enclosure with three-pole switch : en fr
  • GB415505A - Improvements in apparatus for winding yarn on bobbins and the like : en
  • GB415733A - Improvements in liquid fuel burners : en
  • US1971361A - Theft detector : en
  • USD93191S - Design fob a roof ob similar article : en
  • US1971397A - Refrigerating apparatus : en
  • SU38106A1 - Device for trimming the ends of the flooring fabrics, etc. : en ru
  • GB415741A - Improvements in electrical starting devices for internal combustion engines : en
  • US1972061A - Recovery of gasoline from natural gas : en
  • PL20330B1 - Sight for shooting bullets from hunting shotguns and spare barrels for weapons equipped with such a sight. : en pl
  • SU38138A1 - Method for preparing benzylidene acetone : en ru
  • US1971395A - Shipping package : en
  • FR769707A - Process for the production of combinations of polyvinyl compounds and wax-like substances : en fr
  • FR769538A - Electrical contact terminal and its applications, in particular to automatic liquid supply systems for tanks and boilers : en fr
  • PL20318B1 - Power connector for high voltage electric cables. : en pl
  • SU38411A1 - Method of separating flour with a high starch content from flour with a lower iodine content : en ru
  • CH171322A - Perforated bobbin case. : de en
  • AU1415233A - Improved process of producing a moulding composition andthe product of such process : en
  • US1971372A - Television apparatus : en
  • CA344241A - Shock absorber : en fr
  • CH171314A - Elastic woven tape. : en fr
  • CH171346A - Gas stove for baking strips of dough. : de en
  • CH171368A - Process for the preparation of a disazo dye. : de en
  • CH171522A - Shoe insert. : de en
  • GB415534A - Improvements in, or relating to, automatic circuit-breakers : en
  • SU38520A1 - Machine for siphoning air out of the tin and closing them : en ru
  • SU38415A1 - Vacuum machine : en ru
  • US1971622A - Garment : en
  • CH171579A - Sewing machine. : de en
  • US1971424A - Slug casting machine : en
  • PL20236B1 - Starting device, especially for motor boat engines. : en pl
  • US1971333A - Rear view mirror visor or shield : en
  • FR769675A - Bi-focal projector : en fr
  • SU38392A1 - Device for injecting water into an internal combustion engine : en ru
  • SU38487A1 - Device for lubricating bucket elevator guide tires : en ru
  • SU38488A1 - Devices for intermittent movement of the conveyor belt : en ru
  • US1971414A - Adjustable paring and slicing knife : en
  • SU38098A1 - Hand tool for making thin shafts : en ru
  • SU38265A1 - Spray bottle : en ru
  • SU38348A1 - Device for automatic temperature control : en ru
  • BE404338A - : en fr
  • PL20195B1 - Telephone device. : en pl
  • US1971657A - Juice extractor : en
  • US1971864A - Wheel : en
  • CA10442S - Vehicle wheel : en
  • CA344239A - Hair waving composition and method : en fr
  • PL20313B1 - A method of controlling explosive combustion turbines and an apparatus for carrying out the method. : en pl
  • SU38204A1 - Device for controlling frequency-generated phase change : en ru
  • AU1483033A - Improvements relating to rock drills : en
  • CH171394A - Device for selecting the printing plates to be printed in address printing machines. : de en
  • SU38338A1 - Complex prism : en ru
  • US1971387A - Electrical heating device : en
  • US1971388A - Brake tester : en
  • US1971523A - Dish drainer : en
  • PL20192B1 - A crankless internal combustion engine with pistons, moving at a variable angular speed inside the space in the shape of a ring-shaped ring. : en pl
  • BE404275A - Process for the production of high percentage rubber solutions : en fr
  • CH171294A - Infant drying bed. : de en
  • CH171392A - Clip for stapler for stapling sheets of paper without damaging the latter. : de en
  • CH171524A - Device for performing hand massage. : de en
  • SU38258A1 - Psychotechnical Testing Device : en ru
  • US1971392A - High pressure contact switch : en
  • SU38252A1 - The method of extraction of tannins from plant materials : en ru
  • SU38290A1 - Method of making briquettes, building plates and the like products from vegetable fibers and wood : en ru
  • CH171292A - Pneumatic mattresses, especially for weekend use. : de en
  • DE601938C - Device for receiving packed goods for display and sales containers : de en
  • US1971836A - High power fuse : en
  • SU38573A1 - Track for carts and other purposes : en ru
  • DE601896C - Process for the sulfonation of N-substituted 2-pyridones : de en
  • DE601902C - Ashtrays, especially for vehicles : de en
  • DE602050C - Ring lubrication bearings for forme cylinders of rotogravure printing machines and other rotary printing machines : de en
  • PL20280B1 - Spark plug for internal combustion engines. : en pl
  • GB415499A - Improvements in and relating to electric lamp holders, and adaptors : en
  • GB415602A - Improvements in and relating to the purification of titanium pigments : en
  • US1971689A - Orange knife : en
  • DK49185C - Ignition device by a gas-filled electric discharge tube. : da en
  • ES2832U - A bobbin for loom shuttles (Machine-translation by Google Translate, not legally binding) : en es
  • GB415628A - Method of and means for making printing blocks, and printing blocks thus made : en
  • FR769779A - Apparatus for the delivery of a fluid or semi-fluid material and actuated by a compressible fluid under pressure : en fr
  • FR43770E - Rotary vane air pump : en fr
  • FR769520A - TV system : en fr
  • SU38245A1 - The method of thermal processing of shale : en ru
  • FR769682A - : fr
  • DE601859C - Device for holding hoops for blankets : de en
  • FR43793E - Reversible desk pad : en fr
  • ES135128A1 - A new system of tubes for the construction of artesian wells, soundings, ordinary wells and mines. : en es
  • US1971636A - Oil gel composition and process of producing the same : en
  • FR769522A - Device for transforming the number of phases from two-phase to three-phase : en fr
  • FR769519A - Method and apparatus for reclaiming waste petroleum oils : en fr
  • FR769767A - Process for the preparation of copper compounds in the finely divided state : en fr
  • GB415527A - Improved manufacture of high molecular sulphones : en
  • FR769509A - Control device for circuit breakers or similar devices : en fr
  • GB415716A - Improvements in or relating to thermionic oscillation generators : en
  • US1971535A - Apparatus for coating pipe : en
  • US1971621A - Brake : en
  • PL20272B1 - Machine for making empty glass items. : en pl
  • PL20353B1 - Shaving implement. The patent depends on the patent No. 18165. : en pl
  • SU38565A1 - Adaptation to automatic lathes for feeding material : en ru
  • DE602124C - Pocket brush with foldable bristles : de en
  • GB415672A - Improvements in or relating to protecting metals against the corrosive action of alkaline liquids : en
  • GB415567A - Improvements in and relating to elevators, conveyors and hoists : en
  • FR769468A - Automatic selection device : en fr
  • SU38464A1 - Store box to reel changer : en ru
  • US1972063A - Coated ferrous welding electrode : en
  • DE601911C - Fixed device for bringing liquids and gases into contact, especially for cleaning separable gases : de en
  • FR769760A - Automatic temperature regulator of railway vehicles : en fr
  • US1971632A - Feeding mechanism for presses : en
  • US1971951A - Product derived from vinyl esters and process of making same : en
  • USD93166S - Design for lace fabric or the like : en
  • CH171483A - Cascade, consisting of an asynchronous machine and a three-phase commutator machine connected to their slip rings. : de en
  • CH171382A - Process for the treatment of raw water. : de en
  • DE601958C - Hydraulic die stamping press : de en
  • US1971577A - Scoop or ladle : en
  • CA344297A - Ingot mould : en fr
  • DE601924C - Regulating element for such impeller fluid meters with forward and backward flow, the inlet and outlet channels of which are in different horizontal planes, with a single damper element, which is constantly surrounded by the fluid, built in above both rows of channels and adjustable from the outside : de en
  • DE601960C - Cable lug made from a sheet metal sleeve with a hole for inserting the terminal screw to be connected through : de en
  • CH171312A - Spooling machine with stationary spooling units and a device for attaching the full pay-off spools fed by a conveyor. : de en
  • BE404387A - Optical system allowing the production of concentrated and delimited beams, monochrome or polychrome : en fr
  • CH171464A - Hinged lid. : de en
  • CH171558A - Driving car with steam generator and condensation device. : de en
  • US1971378A - Arch support : en
  • SU38169A1 - The method of heating pipes and similar products during heat treatment : en ru
  • SU38413A1 - Zatel knots for sewing machines : en ru
  • US1971937A - Power press : en
  • CA344183A - Rubber spring : en fr
  • CH171406A - Pencil sharpener trained as a tip protector. : de en
  • DE602149C - Method and test stand for determining the cause of the rattling noises occurring while driving on vehicles, in particular on motor vehicles : de en
  • FR769615A - Method of fire protection of wood or other combustible materials : en fr
  • GB415582A - Improvements in and relating to the preparation of synthetic lacquers : en
  • DE601925C - calendar : de en
  • GB415722A - Improvements in or relating to x-ray tubes : en
  • CA344189A - Automobile headlight : en fr
  • SU38514A1 - Wick torch for lamps, lanterns, etc. with a flat wick and a plate on the wick tube : en ru
  • CH171360A - Process for the preparation of coumarin. : en fr
  • PL20362B1 - A projection advertising device that gives the image of a clock face between the individual advertising images. : en pl
  • SU38136A1 - Getting soda : en ru
  • SU38328A1 - Device for drawing a sweep of the sectional line of the pipe fitting : en ru
  • US1971745A - Hair curler : en
  • US1971881A - Spring fastener : en
  • CH171325A - Installation for fabric finishing. : en fr
  • SU38102A1 - Adaptation to a pyrite burning furnace for the production of sulfur dioxide to remove butts. : en ru
  • SU38091A1 - Roller Mounting Tool : en ru
  • CA344192A - Drafting instrument : en fr
  • CA344261A - Lithium and silicon composition : en fr
  • FR769626A - Stretch fabric in the transverse direction for quick closures : en fr
  • GB415603A - Improvements in ships for the transport of coal tar cargoes : en
  • US1971548A - Means for making articles having a polygonal cross section : en
  • DE601910C - Mercury switch with a tubular, fireproof insert that is closed at one end : de en
  • US1971617A - Rheostat : en
  • US1971945A - Gaseous electric discharge device : en
  • SU38238A1 - The method of extraction of wool fat from wool wash water : en ru
  • SU38435A1 - Carriage tipping device : en ru
  • US1971456A - Footwear article : en
  • CA344283A - Hydrocarbon oil processing : en fr
  • DE602127C - Device for limiting the closing movement of the force rollers acting as lifting and pushing rollers or only as lifting rollers for track turning machines, which act on a rail : de en
  • PL20364B1 - Hand ironer. : en pl
  • US1971794A - Towel holder : en
  • CH171592A - Process for the preparation of a chromium-containing azo dye. : de en
  • DE601971C - Transmission device for pulling and pushing forces : de en
  • CH171497A - Automatic overcurrent switch with a cartridge as a control device for triggering the switch. : de en
  • SU38275A1 - Instrument for the continuous stretching of glass tubes and sticks : en ru
  • SU38358A1 - Electrical device for solving higher degree algebraic equations with one unknown : en ru
  • CA344215A - Electric valve converting apparatus : en fr
  • CH171373A - Process for the preparation of a cyanine dye. : de en
  • DE601933C - Pressure or temperature regulator : de en
  • GB415487A - Improvements in floats for fishing nets : en
  • DK49194C - Process for the preparation of mixed esters containing at least two identical or different polybasic acid radicals. : da en
  • FR769495A - Incandescent electric lamp or discharge tube : en fr
  • FR769706A - Improvements to tractor wheels : en fr
  • SU38463A1 - Adaptation to selfaktorov for automatic removal of the spools and putting empty cartridges on the spindle : en ru
  • GB415631A - Improvements in and relating to movable and adjustable fitments for furniture and the like : en
  • SU38408A1 - Sandbagging machine : en ru
  • PL20214B1 - Plastic explosive. : en pl
  • PL20295B1 - Injection nozzle for airless injection of fuel into internal combustion engines. : en pl
  • SU38545A1 - Splicing method of hollow insulated oil-filled electrical cables : en ru
  • SU38159A1 - Automatic metal feeder for typesetting and casting and casting machines : en ru
  • US1971458A - Oscillograph : en
  • CH171347A - Machine for mixing and kneading dough-like products. : de en
  • CH171362A - Process for the preparation of a mixture of high molecular weight sulfur-oxygen compounds. : de en
  • CA10436S - Vehicle tyre tread : en
  • CA344231A - Dry cleaning apparatus : en fr
  • CH171441A - Process for the production of bandaged high-pressure pipes. : de en
  • BE404117A - : en
  • US1971736A - Inhibitor for metal pickling baths : en
  • CH171281A - Cellulose fiber cleaning balls for floors. : de en
  • AU1461133A - Improved tooth for use inthe concave and drum of grain threshers : en
  • CH171489A - Clamping device for electrical lines. : de en
  • CH171540A - High-frequency amplifier with uniform amplification and selectivity over at least the largest part of the tuning range. : de en
  • CH171283A - Support rail for window decorations. : de en
  • SU38527A1 - The method of producing calcium or magnesium, cyanamide or mixtures thereof : en ru
  • US1971440A - Portable doorlock : en
  • CH171251A - Multi-cellular structural element. : en fr
  • CH171568A - Elastic contact wire support, especially for contact lines without track. : de en
  • CH171556A - Removable vehicle wheel. : en fr
  • PL20243B1 - Window curtain. : en pl
  • SU38353A1 - Method of approximate characteristics of copper alloys : en ru
  • SU38374A1 - Reed Cleaning Machine : en ru
  • US1971833A - Electric valve converting system and excitation apparatus therefor : en
  • CH171528A - Connection device between an electric waving iron and the current supply conductors. : en fr
  • US1971552A - Combination chin and shoulder rest for violins : en
  • US1971706A - Cable terminal : en
  • SU38390A1 - Isolator for the queen bee : en ru
  • SU38093A1 - Folding bending machine for cones : en ru
  • CH171454A - Method and device for the production of inscriptions on a substrate, in particular on transparent signs. : de en
  • DK49178C - Electric Spark Vibration Generator. : da en
  • SU38531A1 - Guides for Lettered Levers in Typewriters : en ru
  • US1971640A - Trap : en
  • AU1900934A - Improvements relating to bottles or cartons : en
  • CH171564A - Centerpiece for grooved rails. : de en
  • DE602026C - Copy bag for copying stereo positives from film negatives : de en
  • PL20305B1 - An alloy for the production of tools and working devices and the method of its preparation. : en pl
  • SU38247A1 - The method of purification from carbon dioxide and hydrogen sulfide gases low-temperature distillation of solid fuels : en ru
  • SU38132A1 - The method of producing sodium pyrosulfite : en ru
  • US1971506A - Electric motor : en
  • FR769502A - Circular knitting loom : en fr
  • FR769551A - Device for melting asphalt, bitumen, etc. from inside barrels or other containers : en fr
  • GB415583A - Improvements in or relating to gear lapping machines : en
  • USRE19292E - Fabric covered buckle : en
  • CH171485A - Bearing for the shaft of bicycle alternators. : de en
  • FR769581A - Self-centering chuck, more particularly applicable as a hub puller : en fr
  • DE601977C - Device for braking the front wheels on aircraft equipped with front and tail wheels : de en
  • AU1310733A - Improvements in or relating to multiple pin plugs and combined multiple pin plugs and sockets for electrical plug and socket contacts : en
  • CH171533A - Circuit arrangement for receiving modulated high-frequency waves. : de en
  • FR769674A - Process for photographic recording of sounds : en fr
  • GB415610A - Improvements relating to firing horns for submarine mines : en
  • GB415729A - Improvements in or relating to radio receiving systems : en
  • DE602141C - Floor polisher : de en
  • FR769747A - New automatic light switch for bakery ovens : en fr
  • FR769797A - Fire extinguisher spraying extinguisher or other : en fr
  • FR769749A - Manufacturing process of monocalcium phosphate : en fr
  • SU38480A1 - Method of making fiberboard roofing slabs : en ru
  • SU38567A1 - The method of obtaining the photosensitive layers : en ru
  • US1971371A - Dispenser closure : en
  • DE601939C - Self-acting dog clutch, especially for motor vehicles : de en
  • DE602155C - Process for the production of crushing jaws from austenitic manganese steel : de en
  • FR769471A - Improvements in the manufacture of rubber soles and heels : en fr
  • CA344246A - Rubber coated fabric sheet making process : en fr
  • ES135127A1 - Improvements in pilots or automatic government mechanisms for airplanes. : en es
  • SU38536A1 - Air brake with two adjusting valves : en ru
  • US1971477A - Lock or clamp for guy wire guards : en
  • SU38147A1 - Method for producing phthalanil : en ru
  • CA344237A - Totalisator switching device for bets : en fr
  • FR769572A - Sulfonic acid and carbonic acid derivatives of 1.3-diaryl-5-pyrazolones and their preparation process : en fr
  • GB415470A - Improvements in or relating to mercury arc rectifiers : en
  • CA344166A - Apparatus for extracting oil from tar sands : en fr
  • CH171453A - Drying oven for new buildings and damp rooms. : de en
  • SU38419A1 - Method of making refractory boxes for storing films : en ru
  • US1971628A - Straddle dial micrometer : en
  • ES135089A3 - A new screen preparation procedure for cinematographers. : en es
  • FR769564A - Process for the manufacture of knitted fabrics, or more especially of knitted fabrics : en fr
  • FR769662A - : fr
  • FR769663A - building element : en fr
  • ES134908A1 - A safety locking device applicable to all kinds of locks. : en es
  • DE601868C - Process for the production of woolly animals : de en
  • GB415645A - Improvements in or relating to devices for planing helical teeth on bevel gear wheels : en
  • FR43781E - Double-acting adjuster for vehicle brake control linkages and other applications : en fr
  • FR769490A - complex bearing elements : en fr
  • FR43752E - Internal combustion engine : en fr
  • FR769591A - Diazotization process : en fr
  • GB415598A - Radio receiving systems : en
  • DE602025C - Electric flashlight, especially for photographic purposes : de en
  • ES135121A1 - Improvements in the mechanisms of great stretching for textile fibers. : en es
  • FR769469A - Letter opener tape : en fr
  • CH171305A - Flat brush. : de en
  • DE601623C - Piston pump with drive of the piston by a rotating slide : de en
  • US1971669A - Undergarment : en
  • FR43788E - Process for preparing dyes and azo colors as such or incorporated into various substrates, including in particular textile fibers and fabrics : en fr
  • FR43791E - Improvements to nominal tracking devices used in t.s.f. : en fr
  • FR769576A - Improvement in the production of spark plug insulators intended for internal combustion or combustion engines : en fr
  • US1971536A - Container closure : en
  • US1971758A - Coffee maker : en
  • FR769467A - Motorcyclist safety and protection device : en fr
  • FR769794A - Machine for shaping and finishing stockings : en fr
  • CA344196A - Oil purifying apparatus : en fr
  • US1971505A - Telephone system : en
  • US1971858A - Printing device for tabulating machines for perforated cards : en
  • DK49191C - Machine for applying an adhesive to footwear bottoms. : da en
  • US1971914A - Padlock : en
  • GB415483A - Improvements in electric lamps of the gaseous discharge type : en
  • CA344263A - Hydraulic turbine : en fr
  • CH171321A - Ball and bobbin holder. : de en
  • CH171342A - Trim tape on footwear. : de en
  • GB415524A - Improvements in or relating to stapling devices : en
  • FR769625A - : fr
  • FR769725A - Hygienic bread pan for the table : en fr
  • FR769562A - Retainer for spare toilet articles : en fr
  • PL20212B1 - Method of obtaining non-melting artificial masses. : en pl
  • CH171327A - Preparation suitable for printing on wool. : de en
  • CH171401A - Film cassette. : de en
  • CH171506A - High voltage discharge vessel. : de en
  • FR769786A - : fr
  • SU38187A1 - Automatic air compressor brake with compressor drive from axle leashes : en ru
  • US1971445A - Method and apparatus for manufacture of elastic thread : en
  • US1971860A - Printing device : en
  • GB415541A - Improvements relating to the securing together of tubular members or the attachment of fittings to tubes : en
  • GB415611A - Improved manufacture of starch preparations for producing adhesives : en
  • US1971406A - Ignition apparatus : en
  • SU38167A1 - Method of producing fertilizer : en ru
  • DE601584C - Furnace for the production of gas and coke : de en
  • DE601657C - Hand sewing machine with lockstitch : de en
  • ES135117A1 - Procedure for the manufacture of metal profiles in the form of bars or plates. : en es
  • SU38222A1 - Device for selective maximum protection of radial networks : en ru
  • SU38543A1 - Device for wireless telegraphy : en ru
  • US1972014A - Spring assembly for vehicle chassis : en
  • US1972046A - Milk bottle dispenser : en
  • GB415671A - Improvements in artificial dentures : en
  • US1971780A - Rug cushion : en
  • US1971924A - Mercury contact device : en
  • PL20316B1 - Carburetor with injection nozzle, equipped with an initial mixing chamber. : en pl
  • CH171514A - Heavy oil burner for domestic and industrial use. : en fr
  • CH171435A - Process for the hot machining of metal goods containing magnesium. : de en
  • BE404428A - : en fr
  • CA344226A - Article sorting apparatus : en fr
  • SU38446A1 - Tool for grinding the bearing surfaces of Lendis type screw dies : en ru
  • ES135139A1 - A procedure for the stamping of waxed fabrics, rubber, linoleum, rubber, rubber and rubberized fabrics. : en es
  • GB415679A - Improvements in or relating to arrangements for automatically feeding the sheets to the stitching position in book stitching machines : en
  • SU38200A1 - Telegraph Translation : en ru
  • SU38211A1 - Method of making thermopile : en ru
  • US1971564A - Process of manufacturing sulphite pulp : en
  • US1971499A - Telephone handset : en
  • US1971648A - Method for sealing leaks in threaded joints : en
  • US1971698A - Earth working machine : en
  • USD93187S - Design for a plate or similar : en
  • PL20211B1 - A method of producing protection against azo dyes. : en pl
  • US1971883A - Vending machine : en
  • US1971932A - Shingle : en
  • SU38311A1 - Machine for pasting rubber belts : en ru
  • CA344176A - Grinding mill : en fr
  • CA344268A - Telephone system : en fr
  • US1971530A - Valve grinding tool : en
  • CA344210A - Electric converting apparatus : en fr
  • CH171331A - Strengthened turn-down collar. : de en
  • FR769610A - Improvements made to rail vehicles, particularly high-speed self-propelled vehicles : en fr
  • GB415702A - Improvements in or relating to the manufacture of sliding clasp fasteners : en
  • US1971962A - Sheet feeding device : en
  • US1972002A - Packer head : en
  • SU38582A1 - A method of manufacturing a powdered substance with bituminous additives : en ru
  • US1971715A - Automatic cathead : en
  • US1971984A - Web feeding, tensioning, and form aligning apparatus : en
  • SU38540A1 - Imaging device : en ru
  • US1971443A - Electrooptical method and means for measuring concentrations, colors, dispersions, etc. of fluids and similar substances : en
  • SU38586A1 - The method of electrolytic deposition of chromium on metals : en ru
  • USD93167S - Design for a wheel : en
  • SU38254A1 - Feeder to decorticator for bast plants : en ru
  • US1971842A - Heat transfer device : en
  • CH171545A - Advertising device. : de en
  • USRE19294E - Brake shoe : en
  • SU38581A1 - Fire Alarm Device : en ru
  • ES135083A1 - A method to cure or vulcanize tires. : en es
  • FR769627A - Luminous beauty case for the bag : en fr
  • GB415620A - Improvements in or relating to machines for cleaning and polishing boots, shoes and the like : en
  • DE601991C - Sound recording or sound scanning lamp with a filament that is imaged on the optical sound recording medium through a spherical lens : de en
  • CA344278A - Heat conversion system : en fr
  • CH171547A - Support frame for loads, such as rucksacks and the like. : de en
  • CA344180A - High grade lubricant production : en fr
  • CH171553A - Device for adjusting the ignition timing. : de en
  • FR43785E - Improvements in optical analysis and reconstruction systems for television, telecine, remote printing, etc. : en fr
  • FR769721A - New motor drive with freewheel for motor bicycles or light motorcycles : en fr
  • DE601887C - Device for supplying the heating steam to the heating plates of heating plate presses : de en
  • US1971674A - Electrooptical image production : en
  • SU38523A1 - Apparatus in evaporators for separating vapor-entrained liquid droplets : en ru
  • US1971332A - Fan protector : en
  • US1971998A - Locomotive : en
  • US1971549A - Bandit alarm : en
  • USD93178S - Design fob a glass ttjmbleb : en
  • SU38539A1 - Image Transfer Method : en ru
  • US1971473A - Well drilling equipment for handling drill pipe and casing in high pressure wells : en
  • SU38158A1 - Automatic metal feeder for typesetting and casting and casting machines : en ru
  • US1971581A - Striping attachment for knitting machines : en
  • US1971614A - Circuit controlling device : en
  • CH171261A - Device for ventilation of all types of indoor spaces. : de en
  • CH171604A - Method for automatic compounding of the voltage of a grid-controlled rectifier. : de en
  • DE601995C - Process for the preparation of complex antimony compounds : de en
  • FR43783E - Device for controlling electric discharge devices using the discharge of a capacitor : en fr
  • FR769632A - Power socket with trolley, alternating poles, for mining locomotives and other similar applications : en fr
  • US1971786A - Purification of coal distillation gas by-products : en
  • US1972053A - Heating furnace and method of operating the same : en
  • SU38270A1 - The device of the shaft furnace for cooking the sprayed mixture of pre-subjected to sintering glass material : en ru
  • SU38583A1 - Baler Binding Machine : en ru
  • US1971814A - String cutting device : en
  • SU38400A1 - Method of etching ferrous metals : en ru
  • PL20221B1 - Method of removing starch. : en pl
  • SU38179A1 - Rear shutter for axle boxes of rolling stock : en ru
  • AU1423033A - Improved hat : en
  • CA344285A - Typewriter : en fr
  • SU38242A1 - Knitting machine on round stocking machines with a toe cap : en ru
  • US1971583A - Invalid walker : en
  • CH171288A - Carriers for trays, rods and the like. : de en
  • PL20292B3 - The method of making plywood. : en pl
  • CH171273A - Sawdust briquette and method of making the same. : de en
  • US1971787A - Liquid fuel handling apparatus : en
  • FR769772A - : fr
  • GB415562A - Improvements in or relating to signs and supporting means therefor : en
  • SU38185A1 - Air distributor for air rail brakes : en ru
  • SU38163A1 - Music stand for typewriter : en ru
  • SU38337A1 - Wide symmetrical photographic lens : en ru
  • US1971823A - Impulse actuated lock-in switch : en
  • US1971990A - Electrical apparatus : en
  • PL20354B1 - Device for changing the smig angle during airframe flight. : en pl
  • SU38143A1 - Receiving ethyl alcohol : en ru
  • SU38478A1 - Method of preparation in the substance : en ru
  • SU38533A1 - Device for transfusing liquefied gases from one vessel to another : en ru
  • US1971905A - Internal combustion engine : en
  • US1971672A - Telephone system : en
  • US1971940A - Gaseous electric discharge device : en
  • USD93180S - Design fob a spoon or article of : en
  • US1971381A - Tubing control head : en
  • US1971507A - Process for the conversion of resitoles and resites into oil-sol-uble products : en
  • US1971838A - Arc rectifier with controlling members : en
  • US1971594A - Brake : en
  • BE402503A - : en
  • GB415546A - Improvements in and relating to electric valve circuits : en
  • US1971609A - Tubing and drill pipe rack : en
  • DE602044C - Drive device for motorized sewing machines : de en
  • FR769611A - Product for the care of human skin and its method of application : en fr
  • PL20235B1 - A device for fastening the devices securing the axle pin in lubricants, especially vehicles on rails. : en pl
  • PL20264B1 - Priority: n Compass with a magnet needle, impacted by the liquid. : en pl
  • PL20282B1 - Impact tool. Patent dependent on patent No. 14212. : en pl
  • GB415552A - Improvements in crossings for railway or tramway track : en
  • DK49187C - Apparatus for making hollow cylindrical or other hollow bodies of revolution shaped bodies of agricultural products, such as grass, straw, vegetables and the like. : da en
  • PL20290B1 - A method of making objects of any shape from a tree. : en pl
  • US1971981A - Food product and process for producing same : en
  • US1971420A - Railway draft rigging : en
  • US1971800A - Fertilizer distributor : en
  • CA344198A - Wood block flooring : en fr
  • USD93182S - Design for a stove : en
  • AU1356133A - Improvements in and relating to electrical condensers : en
  • US1971764A - Electrical control system : en
  • US1971553A - Chain : en
  • US1971880A - Flushing tank : en
  • SU38168A1 - Mackey sealing ring : en ru
  • CA344251A - Hard metal alloy : en fr
  • CH171442A - A method of manufacturing a container with an internal wall of stainless steel. : en fr
  • CH171534A - Method and circuit arrangement for avoiding grid current in circuits with an oscillator modulator. : de en
  • DE602099C - Device for the elimination of impotentia coeeundi : de en
  • US1971509A - Telephone system : en
  • US1971542A - Lubricator insert for stuffing boxes : en
  • FR769633A - Advanced grinding wheel : en fr
  • FR769716A - Special plywood panel constituting a door ready for installation : en fr
  • DE601989C - Rotatable boom with isolators built into the tension and compression strut : de en
  • FR769594A - Bicycle moved by a pendulum forcing the user to reproduce the movements of the rower : en fr
  • FR769677A - Improvements to purifying and grading devices for grains and various seeds : en fr
  • SU38131A1 - The method of making the form of wood for filing lump sulfur : en ru
  • SU38530A1 - Mechanism to turn on the carriage in the writing machine : en ru
  • US1971452A - Diaphragm for electrodynamic loud speakers : en
  • US1971767A - Means for starting internal combustion engines : en
  • SU38541A1 - Power of a push-pull cathode amplifier : en ru
  • SU38568A1 - The method of obtaining photosensitive layers using diazoanhydrides : en ru
  • SU38335A1 - A method of making matrices for gramophone records : en ru
  • US1971431A - Thermostatic draft control : en
  • US1971733A - Pump suction strainer : en
  • USD93183S - Design for a sunshade for beaches : en
  • US1971920A - Ventilator construction : en
  • PL20375B1 - The rings leading to the missiles. : en pl
  • SU38083A1 - Vrubov machine with automatically controlled feed rate : en ru
  • SU38216A1 - Electric switch : en ru
  • SU38306A1 - The method of drying the wood on the vine : en ru
  • SU38314A1 - Method of sealing viscose tubes with viscose buds (caps) : en ru
  • US1971778A - Lubricating pump : en
  • PL20370B1 - A motor vehicle. : en pl
  • CA344255A - Metal and alloy processing agent : en fr
  • DE602023C - Method of making horseshoe star studs : de en
  • DE602093C - Water-cooled slide rail for heat furnaces : de en
  • DE602122C - Vibrating grate : de en
  • FR769507A - Process for the treatment of compressed gases used for the operation of vehicle engines : en fr
  • CH171591A - Process for producing a water-soluble diazoamido compound. : de en
  • FR769529A - Inlet regulator for steam heating systems : en fr
  • US1971950A - Automatic train control : en
  • US1971436A - Compound of the polyarylmethyl series and the process for preparing the same : en
  • US1971603A - Weather strip : en
  • CA344191A - Dump car : en fr
  • SU38295A1 - Potato Storage : en ru
  • US1971468A - Card index tray : en
  • DE602015C - Articulator : de en
  • DE602157C - Book-shaped film folder : de en
  • FR769661A - Rubber vulcanization process : en fr
  • GB415752A - Improvements in and relating to the recording and reproduction of sound : en
  • SU38339A1 - Microtome table with freezing device : en ru
  • SU38477A1 - Billet molding press : en ru
  • US1971369A - Art of welding : en
  • US1971619A - Electric plug : en
  • SU38354A1 - Device for automatically indicating the presence of mixtures in a liquid and for regulating its supply : en ru
  • SU38548A1 - Method for producing black sulfur dye for skin : en ru
  • US1971501A - Telephone system : en
  • US1971944A - Gaseous electric discharge device : en
  • FR769778A - Device for feeding a solid fuel furnace, with automatic grid loading : en fr
  • US1971401A - Door fastener : en
  • PL20210B1 - Pre-switch coil. : en pl
  • US1971514A - Casing plug : en
  • US1971631A - Bed mb conditioner : en
  • US1971949A - Equalizing mechanism : en
  • US1972030A - Wheel treading machine : en
  • DE602072C - Sewing machine with opening device for the bobbin carrier to expose the thread passage : de en
  • FR769676A - Processes and apparatus for the generation of combustible gas mixtures : en fr
  • GB415571A - Improvements relating to method of and apparatus for forming bunch charges for cigar machines : en
  • GB415625A - Improvements in and relating to a safety key for locks with tumblers : en
  • PL20268B1 - Device for moving sheets in cameras onto rolled sheets. : en pl
  • SU38081A1 - Retractable Blade Chisel : en ru
  • SU38329A1 - Indicator device : en ru
  • SU38461A1 - Extractor for spinning machines : en ru
  • US1971587A - Dishwashing machine : en
  • US1971848A - Adjustable mounting for dressing devices for grinding wheels : en
  • FR769497A - Vertical automatic cutter : en fr
  • GB415638A - Improved process for obtaining the pure germinal substance of seeds : en
  • SU38065A1 - Device for railing rails to crane reinforced concrete beams : en ru
  • US1971525A - Fountain drawing pen : en
  • FR769782A - Process for removing sulfur from compositions for gas cleaning : en fr
  • CH171526A - Adhesive plaster. : de en
  • US1971370A - Camera : en
  • US1971719A - Automatic poultry fountain : en
  • PL20347B3 - Discharge device for vertical gas retorts. : en pl
  • SU38133A1 - The method of regeneration of nitric acid and waste production of nitrobenzene, etc. : en ru
  • SU38494A1 - Shutter for temporary closing of the multi-span dam opening during repair or accident : en ru
  • US1971365A - Film gate : en
  • US1971708A - Portable building construction : en
  • US1971746A - Preparation of rubber : en
  • US1971956A - Lathe : en
  • SU38198A1 - Device for observing the train movement at the station : en ru
  • CH171249A - Wooden wall. : de en
  • PL20205B1 - Key to round nuts. : en pl
  • PL20225B1 - The method of obtaining phenols from aromatic halo-hydrocarbons. : en pl
  • PL20288B1 - Control device for employees. : en pl
  • FR769602A - : fr
  • GB415732A - Improvements in aluminium coated metal and process of producing the same : en
  • GB415652A - Improvements in or relating to containers or receptacles for pull matches : en
  • SU38429A1 - Airplane wing : en ru
  • US1971479A - Method of treating waste residues : en
  • ES135124A1 - A device for regulating the excitation circuit from the board and, therefore, the charge rate received by the battery. : en es
  • DE602097C - Rotary piston air pump with abutment slide and with liquid filling of the harmful space : de en
  • FR769684A - Cleaning device : en fr
  • FR769559A - Safety razor enhancements : en fr
  • GB415745A - Improvements in or relating to condensers suitable for use in high frequency radio and similar circuits : en
  • DE602074C - Device for protecting shop counters : de en
  • FR769775A - Self-priming centrifugal pump : en fr
  • GB415489A - Improvements in refrigerator cabinets : en
  • GB415498A - Improvements in or relating to record-card operated printing machines : en
  • DE602109C - Rowing exercise device : de en
  • FR769533A - Improvements to electrical transformers : en fr
  • FR769470A - Fuse for circuit breakers : en fr
  • US1971679A - Transmission control circuits : en
  • FR769532A - Headlight enhancements for vehicles : en fr
  • FR769715A - Hand duplicating device : en fr
  • FR769761A - Method of covering pavements with asphalt powder or rock and asphaltic oil : en fr
  • FR769763A - Method for amplifying and rectifying high-frequency oscillations using ultra-short-wave tubes mounted with a braking field : en fr
  • GB415629A - Arrangement to facilitate the starting of internal combustion motors by keeping hot, the cooling liquid thereof : en
  • US1971355A - Distilling apparatus : en
  • GB415513A - An improved pouring device, more particularly intended for use with sauce and other bottles, cans or like containers : en
  • DE601959C - Process for the treatment of iron baths to be further processed by the Thomas process : de en
  • FR769719A - Improvements to heavy liquid fuel burners : en fr
  • GB415660A - Improvements in the manufacture and production of alkali metal nitrate from calcium nitrate and alkali metal chloride : en
  • FR43776E - Automatic charging table for accumulator batteries : en fr
  • FR769743A - Process for the production of artificial yarns and the like : en fr
  • FR769458A - Improvements in tanning processes and products obtained by said processes : en fr
  • GB415632A - Manufacture of indigoid dyestuffs : en
  • DE601879C - Bunker emptying device, consisting of a main conveyor trough and auxiliary troughs arranged above it : de en
  • PL20340B1 - The method of obtaining pure alumina. : en pl
  • SU38218A1 - A device for automatically turning off an electric motor after a certain period of time after its transfer to idling : en ru
  • US1971396A - Cementable support for wall fixtures : en
  • US1971936A - Automatic upsetting mechanism for combination locks : en
  • US1971374A - Furnace grate : en
  • US1971808A - Regulating system : en
  • CA344177A - Tobacco pipe : en fr
  • US1971695A - Expansion valve : en
  • US1972034A - Automatic drain valve : en
  • CH171567A - Switch for overhead conveyors. : de en
  • CH171385A - Process for obtaining, by electrolysis, chromium deposits. : en fr
  • DE601956C - Method of drying peat by self-heating : de en
  • FR769513A - Process for the production of flexible tubes which empty by pressure : en fr
  • FR769616A - Oil safety valve : en fr
  • FR769718A - Mold for centrifugal casting : en fr
  • DE602004C - Arrangement of connection contacts for discharges in the course of busbars of round cross-sectional shape, which are arranged close to one another in the air and surrounded by insulating tubes : de en
  • DE602158C - Automatic fire extinguishing device with a releasable shut-off valve : de en
  • FR769880A - : fr
  • GB415504A - Improvements relating to the reception of high frequency oscillators : en
  • GB415537A - Improvements in wagon-tipping apparatus fitted with weighing-apparatus : en
  • DK49179C - Variable Højohms resistance. : da en
  • FR769753A - New chemical compounds of the pyridocyanine type, their preparation process and their applications as dyes, in particular as photographic sensitizers : en fr
  • GB415635A - Improvements in or relating to devices for twisting textile filamentary material : en
  • FR769558A - Waterproof clothing : en fr
  • US1971561A - Pin installation for well reamers and the like : en
  • US1971703A - Radio apparatus : en
  • US1972059A - Production of organic acids by the alkaline fusion of cellulosic materials : en
  • GB415464A - Improvements in thermionic valve oscillation generators : en
  • GB415743A - Improvements in or relating to road and rail vehicle construction : en
  • CA344204A - Electron discharge apparatus : en fr
  • US1971941A - Electric discharge lamp device : en
  • SU38115A1 - Continuous Dry Distillation Plant : en ru
  • SU38226A1 - Device for driving with a variable speed of a multi-phase asynchronous motor : en ru
  • US1972043A - Dump vehicle with actuated doors : en
  • FR769764A - Adjustable capacitor for radio receivers : en fr
  • GB415626A - Improvements in or relating to galvanic batteries : en
  • GB415526A - Improvements in the manufacture and production of lubricating oils : en
  • USD93165S - Design for a buckle : en
  • ES135113A1 - A procedure for the elaboration of a special flour for the production of fritters. : en es
  • FR769570A - Magnifying glass and combined lamps for surgical and similar purposes : en fr
  • FR769735A - Two-stroke combustion central heating calorifier : en fr
  • FR769619A - Improvements to the matchbox manufacturing process : en fr
  • FR769754A - New compounds of the thio iso- and thio-pseudo-cyanine types, their preparation process and their applications as dyes, in particular as photographic sensitizing dyes : en fr
  • FR769840A - : fr
  • GB415694A - Method for diminishing and thus practically eliminating the influence of subterranean water veins for example on dowsers in as far as this influence is caused by the long wave electromagnetic radiations from these veins amongst other things : en
  • ES134268A3 - An improvement in the construction of electric accumulators. : en es
  • GB415673A - Improvements in foot adjuster and exerciser : en
  • FR769696A - Arrangement and method for operating gas or vapor filled discharge tubes for illumination or radiation : en fr
  • BE404205A - : en fr
  • SU38166A1 - Rubber typographic colorful roller : en ru
  • USRE19293E - Pile faced material and process of : en
  • SU38433A1 - Cog gear to tracked carts : en ru
  • US1971777A - Method and apparatus for conditioning air : en
  • SU38205A1 - Quartz holder : en ru
  • US1971705A - Electric light fixture : en
  • CH171356A - Process for obtaining alumina from lime aluminate. : en fr
  • FR769477A - Plate-shaped iron beam : en fr
  • FR769796A - Device for guiding and controlling the parachutes of an elevator car, freight elevator, etc. : en fr
  • PL20380B1 - Box magazine for automatic weapons. : en pl
  • SU38248A1 - A method of making a smoker gol from the insides of fish : en ru
  • US1971430A - Antihalation layer : en
  • ES135098A1 - Procedure for the sterilization by electric means of liquids, especially milk. : en es
  • SU38181A1 - Adapter coupler suspended from automatic coupling head : en ru
  • SU38555A1 - Gyroscopic device : en ru
  • US1971906A - Process for coking oil : en
  • SU38511A1 - Saturator : en ru
  • GB415738A - Measuring and dispensing means for liquids : en
  • GB415665A - Eyelet sewing machine : en
  • SU38352A1 - Hardness Tester for Abrasive Wheels : en ru
  • US1971611A - Hand beet topper : en
  • US1971699A - Pen attachment : en
  • PL20275B1 - : en pl
  • PL20349B1 - The method of road surface construction, paving of courtyards, squares, etc. with metal cubes. : en pl
  • SU38420A1 - Ditches for processing photographic film solutions : en ru
  • CH171486A - Power generating system. : de en
  • CH171329A - Cable holder for electric irons. : de en
  • BE404386A - Process for preparing 3.4.5.6. tetrahalogen-2-amino-1 oxybenzol : en fr
  • CA344178A - Carton or container : en fr
  • CH171557A - Anti-skid device on vehicle wheels with tire tires. : de en
  • SU38373A1 - Sheaves zaleny device to the sweepers : en ru
  • US1971539A - Paper holder : en
  • US1972000A - Motion picture camera support : en
  • US1971646A - Radio receiving system : en
  • US1971890A - Electric discharge tube : en
  • DK49171C - Elastic Wheel for Rail Vehicles. : da en
  • CH171450A - Razor blade for safety razors. : de en
  • CH171606A - Device for the automatic coupling of rail vehicles. : de en
  • CA344175A - Portable bathtub : en fr
  • ES135122A1 - Apparatus for automatically distributing a limited amount of energy in electrical energy consuming installations. : en es
  • CH171366A - Process for the preparation of 2-nitro-4-aminophenylthioglycolic acid. : de en
  • US1971416A - Recovery of oxidized copper : en
  • SU38080A1 - Rotary Shock Drill Apparatus : en ru
  • US1971849A - Molding apparatus : en
  • FR769668A - Color cinema : en fr
  • CH171471A - Compressed air control device for controlling regulating members of internal combustion engines. : de en
  • DE601820C - Device for separating solid, dry substances from gases : de en
  • FR769598A - Process for preparing 1-alkylamino-4-arylaminoanthraquinones : en fr
  • GB415711A - Improvements relating to x-ray tubes : en
  • GB415734A - Automatic firearm : en
  • PL20269B1 - The method of separating acetylene from gases. : en pl
  • US1971711A - Electric current rectifier control : en
  • GB415597A - Improvements in door operating mechanism : en
  • FR769463A - Automatic switch for heaters : en fr
  • FR769483A - Improvements to mines for writing, drawing, painting or the like and to their manufacturing processes : en fr
  • GB415580A - An improved small synchronous motor : en
  • DE602151C - Tobacco pipe for smoking tobacco cartridges : de en
  • DE601955C - Order brush with can holder hinged to the handle : de en
  • SU38155A1 - Method for producing naphthionic acid : en ru
  • DE602022C - throttle : de en
  • FR769459A - Process for manufacturing a homogeneous product capable of being preserved and such as fresh cheese or curdled milk : en fr
  • SU38388A1 - Insulator for elimination of silkworm moths and their deposition of hens : en ru
  • US1971557A - Liquid treating apparatus : en
  • DE602056C - Process for degreasing and increasing the mattability of animal fibers : de en
  • CA344232A - Beryllium oxide production : en fr
  • FR769486A - insulating splint : en fr
  • ES2823U - A device that facilitates the placement of the rimels in the eyelashes and the arching or curvature of the same (Machine-translation by Google Translate, not legally binding) : en es
  • FR769526A - Improved method and means for transmitting indications at a distance : en fr
  • FR769604A - Independent wheel suspension system : en fr
  • FR769569A - Toy plane with bomb throwing device : en fr
  • PL20371B1 - The method of making bread. : en pl
  • US1971783A - Folding lawn chair : en
  • US1972011A - Process for manufacturing carbon papers : en
  • DE602094C - Structure of the supporting body, designed in the manner of a skeleton structure, for the stator core of electrical machines : de en
  • SU38449A1 - Shading device : en ru
  • US1971441A - Priming system for centrifugal pumps : en
  • SU38377A1 - Sunflower harvesting machine : en ru
  • CH171465A - Car jack. : de en
  • DE601980C - Device for slicing, in particular canned food : de en
  • DE602152C - Labyrinth seal for rotating shafts, especially for refrigerant compressors : de en
  • FR769702A - Phosphorus oxychloride manufacturing process : en fr
  • CA344162A - Breakwater : en fr
  • CH171330A - Process for the production of artificial leather and oilcloth. : en fr
  • CH171566A - Electrical signaling device for level crossings. : de en
  • ES135069A1 - A heavy oil engine, two times. : en es
  • FR769613A - : fr
  • GB415697A - Process for the production of hard alloy bodies : en
  • GB415708A - Improvements in or relating to cleaning pads for domestic, personal and other use : en
  • DE601961C - High-voltage capacitor for high-voltage systems, which consists of ceramic elements, on which metal coatings enclosed in cavities in the ceramic body are applied as covers : de en
  • FR769589A - Brake control device for mining machines or similar machines : en fr
  • FR769672A - Visible flow indicator, with electrical release, in case of lack of liquid : en fr
  • GB415682A - Improvements in or relating to cirouit arrangements comprising a gasfilled electric discharge tube : en
  • ES135041A1 - A procedure for manufacturing a packaging box for all kinds of products. : en es
  • GB415712A - Improvements in or relating to x-ray tubes : en
  • GB415748A - Improvements in and relating to production of maleic or phthalic anhydride : en
  • DK49172C - Bra. : da en
  • GB415706A - Improvements in systems for giving audible indications to telephone subscribers : en
  • FR769473A - Process for preparing disazo dyes : en fr
  • FR769511A - Method for damping sound vibrations : en fr
  • SU38578A1 - Ship hull shape : en ru
  • GB415529A - Improvements in means for simultaneously blanking and holing washers, nuts or the like articles : en
  • US1971556A - Ventilator for vehicles : en
  • DE601874C - Two-part tap fitting for making branches on pipelines and the like. like : de en
  • DE601953C - Hot ironer with a heated plate tray that can be lifted off a rotating ironer roller : de en
  • GB415475A - Improvements in curtain supporting devices : en
  • GB415618A - Improvements relating to circulating systems for the motor cooling fluid of motor vehicles : en
  • DE601905C - High-voltage support insulator, the cavity of which is filled with a gas under overpressure : de en
  • FR43795E - Mobile device for the emission of artificial fog : en fr
  • ES135133A3 - Procedure for the separation of fractions of a mineral oil. : en es
  • FR769624A - Fast-setting anti-acid sealants and their preparation process : en fr
  • GB415553A - A new or improved amusement or game apparatus : en
  • USD93155S - Design for a velocipede : en
  • SU38341A1 - Actinograph : en ru
  • US1971486A - Tilt and panning head for motion picture camera tripods : en
  • US1971490A - Coffee dripper : en
  • SU38099A1 - Device for washing long fibrous bast fibers : en ru
  • SU38562A1 - Fuel pump for internal combustion engines : en ru
  • PL20271B1 - Electro-optical apparatus for reproducing sounds. : en pl
  • SU38139A1 - Method for isolating rare earths from apatites : en ru
  • GB415747A - Device for feeding fluid to the intake of internal combustion engines : en
  • FR769717A - Volumetric liquid meter, without temperature influence on the measurement volume : en fr
  • ES135090A2 - PROCEDURE TO BUILD TIRES, ESPECIALLY FOR RAIL VEHICLE WHEELS : en es
  • CA344279A - Battery cell connection : en fr
  • US1971584A - Sound reproducing machine : en
  • US1972027A - Cot, cradle, and the like : en
  • GB415670A - Improvements in and relating to tobacco feeding mechanism for cigar making machines : en
  • IE13733L - Mowing machine : en
  • US1972069A - Dispensing carton : en
  • CH171563A - Device for displaying station names in trams. : de en
  • SU38313A1 - Stabbing machine for soles : en ru
  • FR769590A - Adjustable transformer with at least two columns of windings : en fr
  • US1971812A - X-ray device : en
  • DE1310237U - : de en
  • GB415538A - Improvements in or relating to impulse transmitters for automatic telephone systems : en
  • US1971627A - Process of and apparatus for treating artificial threads : en
  • US1971671A - Baby diaper holder : en
  • PL20208B1 - Contrast agent for X-ray purposes. : en pl
  • PL20228B1 - Method for degassing and ventilating waste water and a device for carrying out this method. : en pl
  • PL20260B1 - Device for driving threading machines with two rows of spindles. : en pl
  • SU38069A1 - Instrument for microscopic analyzer rocks : en ru
  • SU38240A1 - Method for making greases : en ru
  • DE602088C - Method of making wire brushes : de en
  • GB415592A - Improvements in driving devices for the winding bobbins of machines twisting at delivery : en
  • PL20368B3 - Devices for gearing brake disks. : en pl
  • GB415703A - Improvements in connection with the flues of heating appliances : en
  • DE601906C - Fastening of fittings without putty on insulators using pressing devices and caps screwed over them : de en
  • DE601999C - Device for printing conical cups made of paper, cardboard or the like. : de en
  • US1971768A - Truck bolster : en
  • SU38309A1 - Machine for pin holes in the sleepers before impregnation : en ru
  • US1972070A - Interleaving machine : en
  • CH171295A - Suspension device for flexible objects such as in particular hand towels, clothes and other flexible fabric objects. : en fr
  • SU38344A1 - Mirror Reflection Measurement Instrument : en ru
  • DE601882C - Tamping device for coking coal : de en
  • CH171503A - Variable capacitor. : de en
  • US1972028A - Roof covering : en
  • SU38071A1 - Instrument for determining the height of points and the length of the projections on the relief models : en ru
  • US1971753A - Refining hydrocarbon oil : en
  • US1971770A - Grease cup : en
  • AU1298133A - Anti-friction bearing cage and method of manufacturing same : en
  • CH171335A - Knot holder for self-tie ties. : de en
  • CH171399A - Auxiliary equipment for accounting purposes. : de en
  • CH171561A - Device for the resilient suspension of the shaft of central buffer couplings. : de en
  • SU38537A1 - Device for creating a vacuum before braking in the brake cylinder vacuum brake carts : en ru
  • US1971749A - Type case : en
  • US1971811A - Control system : en
  • US1971996A - Indicator : en
  • USD93161S - Design fob a shoe : en
  • CH171570A - Contact wire holder for contact lines for electric railways. : de en
  • CH171459A - Flange connection, in particular for hollow bodies, which contain a high temperature pressure medium. : de en
  • SU38321A1 - Shale Bituminization Furnace : en ru
  • AU1397133A - Improvements in or relating to shock absorbers : en
  • FR43784E - Relay allowing remote reading of manometric pressures : en fr
  • SU38225A1 - Device for automatic control of current in direct current circuits : en ru
  • SU38280A1 - Table for cutting sheet glass : en ru
  • PL20217B1 - Lever device for Siemens control and measuring apparatus. : en pl
  • SU38351A1 - Fracture Testing Machine : en ru
  • DE601964C - Protective shield to block out glaring light rays : de en
  • CH171260A - Hot water heating. : de en
  • FR769636A - Improvements to the attachment strips for all applications and more especially for hygienic belts and similar garments : en fr
  • PL20253B3 - 0frc; 'v o. o. Plastic explosive mass. : en pl
  • US1971610A - Recording hydrometer : en
  • US1971633A - Product therefrom : en
  • US1971644A - Needle case with windows : en
  • SU38073A1 - Device for automatically feeding a drilling tool to a bottom hole : en ru
  • SU38203A1 - Mounting method of piezoelectric plates varying in thickness : en ru
  • SU38546A1 - A device for switching branches in a transformer : en ru
  • US1971521A - Signaling device : en
  • US1971649A - Method for sealing apertures : en
  • US1971422A - Oil seal : en
  • US1971428A - Cutter : en
  • US1971694A - Adjusting device of warp tension in automatic looms : en
  • US1971752A - Motor support : en
  • CA344212A - Electric valve converting apparatus : en fr
  • CH171452A - Device for wrapping staples. : de en
  • CH171444A - Guillotine shears. : de en
  • FR43800E - Coin operated mechanism for gas meters or the like : en fr
  • DE601985C - Skat game counting and display device with several counters : de en
  • GB415535A - A new or improved means utilizing sympathetic ink reactions for amusement, educational, decorative, conjuring and other purposes : en
  • GB415666A - Improvements in and relating to massage appliances or the like : en
  • FR769585A - Advanced mechanism for automatic billiards : en fr
  • FR43755E - Advanced die-casting machine : en fr
  • FR769817A - : fr
  • GB415559A - A method for facilitating the solution of powdered and granular detergents : en
  • GB415623A - Improvements in and relating to insulation against losses of heat and cold : en
  • FR769560A - Metal chip vacuum cleaner : en fr
  • FR769751A - New industrial products usable as substitutes for down, kapok, wool, etc., their production process and their applications : en fr
  • AU1394533A - Improvements in or relating tothe manufacture of compositions containing rubber and granular fibrous or comminuted organic materials : en
  • CH171291A - Small pieces of furniture that can be dismantled, especially for outdoor use. : de en
  • CH171361A - Process for the preparation of alkali metal oxalates. : de en
  • SU38085A1 - Pneumatic hammer : en ru
  • US1971942A - Gaseous electric discharge device : en
  • US1972060A - Recovery of gasoline from natural gas : en
  • CA344207A - Synchronous motor : en fr
  • CH171363A - Process for the preparation of unsymmetrical thioureas. : de en
  • CA344235A - Milking machine teat cup : en fr
  • PL20229B1 - Photograph copier. : en pl
  • US1971446A - Home talking movie combination : en
  • US1971734A - Aircraft sustained by a lifting screw : en
  • CH171405A - Pencil with lighting device. : de en
  • SU38125A1 - Furnace for producing cyanide compounds : en ru
  • SU38422A1 - Continuous Film Film Projector and Optical Alignment : en ru
  • CH171527A - Comb. : de en
  • CH171469A - Small steam turbine group. : de en
  • DE602148C - Motorized wall saw : de en
  • CA344163A - Dental instrument : en fr
  • PL20239B3 - Optical sight for manual rifles. : en pl
  • SU38157A1 - Descent board : en ru
  • SU38286A1 - Attachment against twisting of the crane cable : en ru
  • US1971802A - Antidrip and antisplash device for shower bath doors : en
  • US1972001A - Shower pipe : en
  • CH171379A - Process for the production of impermeable cellulose films that are resistant to water, acidic and alkaline liquids. : de en
  • CH171455A - Process for obtaining multicolored patterns on the surface of objects made of aluminum or aluminum alloys and object obtained by this process. : en fr
  • US1971348A - Track for tracklaying vehicles : en
  • CH171578A - Web shooter shot carrier. : de en
  • SU38219A1 - Device for controlling stationary servomotors from moving carts : en ru
  • SU38293A1 - anchor bolt : en ru
  • SU38528A1 - The method of obtaining nitro-para-hydroxyphenyl-arsic acid : en ru
  • CH171600A - Process for the preparation of a dye. : de en
  • CA344245A - Scale : en fr
  • CA344286A - Multiple winding reel : en fr
  • CA344256A - Metal and alloy production : en fr
  • PL20266B1 - Device for carrying out a continuous reaction between two liquids with different specific weights. : en pl
  • SU38067A1 - Method of briquetting chips, dross and iron ore : en ru
  • US1971835A - construction : en
  • US1971894A - Broadcast receiver apparatus : en
  • US1972020A - Printing press : en
  • USD93152S - Design for a typewriting machine : en
  • SU38317A1 - The method of regeneration of waste galalita : en ru
  • DE601947C - Machine for producing a compound suitable for road building purposes and floor coverings : de en
  • CH171439A - Process and machine for the production of coated electrodes or welding rods. : de en
  • SU38501A1 - Electromagnetic device to the weaving machine for its automatic shutdown when the shuttle is short in the shuttle box : en ru
  • US1971700A - Method of forming ornamental relief figures : en
  • US1971775A - Vacuum condensation pump : en
  • US1971982A - Rolling mill : en
  • CH171370A - Process for the preparation of a water-soluble derivative of a vat dye. : de en
  • FR769596A - Improvements in the manufacture of molded or otherwise shaped articles, such as sheets, tiles or pipes of cement, plaster, concrete or the like : en fr
  • AU1401933A - Improvements indoor locks : en
  • CH171597A - Process for the preparation of an azo dye of the stilbene series. : de en
  • ES135115A1 - Improvements in flying machines or wing aircraft or free rotating paddles. : en es
  • ES2829U - Device for the manufacture of containers of paper, cardboard and similar materials. (Machine-translation by Google Translate, not legally binding) : en es
  • DE601912C - Process for the production of mineral-fermented leathers with iron-containing tanning agents : de en
  • DE601946C - High-speed stranding machine : de en
  • DE602049C - Process for introducing aminoalkyl groups into basic groups of organic compounds : de en
  • SU38074A1 - Device for piercing felt lining and pulling through the thong through it : en ru
  • SU38356A1 - Pipette : en ru
  • US1971585A - Electric lighter : en
  • SU38469A1 - Empty reel box recharger : en ru
  • PL20256B1 - A method of obtaining technically valuable products for the production of varnishes, paints and similar substances from pressed fatty oils or their mixtures with natural or artificial resins. : en pl
  • US1971939A - Gaseous electric discharge device : en
  • US1971423A - Vacuum gauge : en
  • DE601996C - Process for the preparation of condensation products from phloroglucine and primary aromatic amines : de en
  • CH171289A - Adjustable folding chair. : en fr
  • CH171587A - Process for producing a water-soluble diazoamido compound. : de en
  • PL20278B1 - A method of electrodeless induction electric welding and an apparatus for using the above method. : en pl
  • US1971680A - Motor mechanism : en
  • SU38256A1 - Method of aerobic lob of the labial plants : en ru
  • SU38529A1 - Feeder for printing and similar machines : en ru
  • SU38141A1 - Method for volumetric determination of zinc : en ru
  • US1971917A - Screw : en
  • GB415627A - Improvements in paper containers : en
  • CH171300A - Mixing and beating machine. : de en
  • US1971742A - Production of primary alcohols : en
  • US1971765A - Spiral spring structure and method of making same : en
  • DE602086C - Device for stripping coarse crystalline material to be centrifuged from centrifugal drums : de en
  • GB415663A - Improvements in and relating to devices for regulating the temperature of steam in tubulous boilers with forced water circulation : en
  • PL20226B1 - : en pl
  • DE602108C - Compensating brake system for the wheels of aircraft : de en
  • ES135045A1 - Improvements in the construction of disc talking machines. : en es
  • FR43796E - Improvement brought to the method and device for stabilization, maneuvering and propulsion of a flying device with rotary wings (called gyroplane) driven by a motor, or rotating freely : en fr
  • SU38126A1 - Apparatus for producing phosphoric acid by the interaction : en ru
  • SU38315A1 - Tacking machine for roller shoes using rotary rollers : en ru
  • US1972015A - Push button elevator control system : en
  • US1972058A - Tile fastening clip : en
  • CH171299A - Hanging device for ties. : de en
  • US1971980A - Washing machine : en
  • CA344254A - Metal and alloy production : en fr
  • FR769770A - Improvements to rectometers : en fr
  • SU38297A1 - Fitting to a sawing frame for producing resonant wood : en ru
  • US1971325A - Hair treating oven : en
  • USD93154S - Design for a spool cover for type : en
  • PL20234B1 - Method and device for driving combustion chambers, especially combustion chambers of combustion turbines. : en pl
  • SU38214A1 - Bracket for pin insulators : en ru
  • US1971987A - Liquid agitating means : en
  • US1972006A - Paper cup : en
  • GB415492A - Improvements in or relating to potato planting and like machines : en
  • SU38503A1 - Device for wiring and flexing forcopic clips in a cold state : en ru
  • DE602090C - Printing machine for printing markings on the inside of packaging films for block-shaped objects, especially pieces of cheese : de en
  • FR43759E - Improvements to sound-producing devices : en fr
  • GB415516A - Improvements in or relating to knitting machines : en
  • GB415637A - Apparatus for forming smoothly rounded can bodies : en
  • US1971426A - Commutator testing apparatus : en
  • CH171317A - Electrical control device, in particular for a weaving machine. : en fr
  • CH171473A - Process and device for the utilization of the gases and oil vapors that collect in the crankcase in explosion engines, mainly vehicle engines. : de en
  • FR769785A - Armchair forming a rest chair : en fr
  • ES135076A1 - A device for opening cans, such as cans and the like. : en es
  • BE404422A - : en
  • SU38544A1 - Device to eliminate fading : en ru
  • FR43780E - Cable machine for double-bet telephone quads and star quads, with full element twist : en fr
  • FR769583A - Radio transmission and reception antenna : en fr
  • FR769687A - Method and apparatus for laying, at any point of an overhead line, an outlet for electric traction of a section insulator, etc. : en fr
  • SU38497A1 - A device for separating gasoline, etc. from water : en ru
  • US1971491A - Meat chopping machine : en
  • CH171277A - Device for regulating the air supply in an oven. : en fr
  • US1971373A - Oscillating electric fan : en
  • PL20331B1 - Device for mechanical de-hair removal. : en pl
  • SU38134A1 - The method of obtaining crystals of boron arbide : en ru
  • SU38274A1 - Glass tube extruder : en ru
  • SU38472A1 - Lifting ladder for theatrical scene : en ru
  • US1971868A - Machine for wrapping cigarette packets or similar articles : en
  • CA344202A - Gaseous electric discharge device : en fr
  • CH171296A - Apparatus for aeration of a liquid. : en fr
  • CH171548A - Hoof rasp. : de en
  • FR43763E - Method and apparatus for the construction of concrete pavements : en fr
  • SU38208A1 - Device for tuning radio receivers using friction and planetary gears : en ru
  • US1971437A - Device for use on a core barrel : en
  • CH171479A - Containers protected against the ingress of heat for transporting perishable food and other goods. : de en
  • DE601873C - Composite bearing element : de en
  • SU38206A1 - Method of generating electrical oscillations : en ru
  • SU38437A1 - Device for strengthening the removable oil filter and crankcase C.3.T. and other similar engines : en ru
  • US1971724A - Fishing reel : en
  • US1971959A - Equalizing and shock-absorbing means for vehicles : en
  • PL20203B1 - Device for measuring and storing liquids. : en pl
  • US1971682A - Garment : en
  • US1971850A - Press : en
  • US1971903A - Device for baking bread and method of employing same : en
  • CH171265A - Quick-setting cement mix and method for making same. : de en
  • DE602040C - Circuit breaker with arc extinguishing by steam : de en
  • PL20323B1 - Klr ^ r i, 21 / OK Close the lid of cookware under pressure. : en pl
  • US1971710A - Process for making gas and tar : en
  • US1971723A - Method of securing automobile top coverings : en
  • SU38177A1 - Motor carriage : en ru
  • CH171293A - Feather cushions, in particular for base mattresses, top mattresses and upholstered furniture seats. : de en
  • US1971898A - Striping fixture : en
  • SU38109A1 - A method of making a bituminous aqueous emulsion for impregnating roofing paperboard, artificial leather, paper tubes and making varnishes, etc. : en ru
  • CA344292A - Game apparatus : en fr
  • PL20293B3 - The method of making plywood. : en pl
  • US1971489A - Man's shirt : en
  • US1971626A - Cable installation : en
  • DE602009C - Electric high-pressure arc lamp with activated glow electrodes, a noble gas base filling and a vaporizable mercury base body : de en
  • DE540621C - Process for deoiling substances containing oil : de en
  • US1971912A - Foldable display card : en
  • SU38196A1 - Device for automatically stopping a train taken on a busy track : en ru
  • CH171599A - Process for the preparation of a dye. : de en
  • SU38434A1 - Track Link : en ru
  • CH171544A - Remote control device. : de en
  • SU38442A1 - Gearbox : en ru
  • SU38145A1 - Method for producing fumaric acid : en ru
  • SU38368A1 - Many Years Guy : en ru
  • SU38454A1 - Shop for hunting single-barrel rifle : en ru
  • US1971819A - High voltage expulsion fuse : en
  • CA344190A - Amusement device : en fr
  • GB415689A - Method for producing from cymol or its derivates a hydro carbon with a larger molecule or derivates of this hydro carbon : en
  • US1971508A - Collection indicator : en
  • SU38522A1 - The method of preparation of preparations bottoms dyes : en ru
  • SU38160A1 - Method for making offset zinc printing plates for gravure printing : en ru
  • US1971938A - Motor driven cultivator : en
  • US1972040A - Oil still tube : en
  • USD93192S - Design fob a toy : en
  • PL20351B1 - A device for the catalytic treatment of organic and inorganic substances, especially materials containing carbon. : en pl
  • US1971340A - Tow target releasing device : en
  • DE601754C - Curtain loom : de en
  • FR769588A - Bonding process : en fr
  • SU38298A1 - Tool for adjusting the tension of a band knife : en ru
  • USRE19289E - Electrical generating system : en
  • SU38566A1 - Mechanical Driven Tool : en ru
  • US1971496A - Art of tanning hides and skins : en
  • US1971684A - Writing pad and device : en
  • SU38250A1 - Method for making leather goods from gastric film : en ru
  • SU38263A1 - Folding stretcher for the wounded : en ru
  • US1971934A - Electric switch : en
  • CH171477A - Method and device for regulating power machines, in particular internal combustion engines. : de en
  • SU38367A1 - Unit for tillage and seeding with cable traction : en ru
  • US1971415A - Sulphonation product of nitrogen containing conversion products of higher aliphatic hydrocarbons : en
  • US1971573A - Method of chloridizing ore metal sulphides : en
  • SU38519A1 - Sheet Straightening Machine : en ru
  • US1971624A - Surgical headrest : en
  • DE601979C - Device for changing the driving force of disabled vehicles while driving : de en
  • DE602105C - Rail gripper for sewing machines : de en
  • FR769618A - Semi-automatic device for chucking, flaring, stuffing and flanging of tubes : en fr
  • CA344270A - Electromagnetic relay : en fr
  • DK49199C - Toy rifle. : da en
  • CH171530A - Circuit arrangement for company lines in signaling and telephone systems with stepping mechanisms. : de en
  • ES134518A1 - A thermo-blender machine of continuous production with internal heating, to dilate, knead and beat the masses or viands of the mechanical olives and with the temperature rise in conditions so that they can easily yield the oil they contain. : en es
  • FR769667A - Process for the preparation of mono- and di-n-alkyl- or aralkyl-5, 5-phenyl-ethylhydantoins : en fr
  • FR769493A - Improvement of ventilation openings in natural ventilation systems for premises : en fr
  • FR769528A - Continuous manufacturing process of metallic magnesium by thermal reduction : en fr
  • FR769737A - Vibration dampers for overhead conductors : en fr
  • GB415481A - Improvements in and relating to motor vehicles and in lifting and moving devices therefor : en
  • GB415512A - Improvements in or relating to artillery wheels or artillery wheel bodies : en
  • DE602153C - Gas pressure regulator : de en
  • ES135097A3 - Procedure to decay silk. : en es
  • GB415688A - Improvements in and relating to electric lamps : en
  • FR769771A - Billiard game : en fr
  • GB415651A - Improved burner for liquid fuels : en
  • FR769487A - Ventilated induction motor : en fr
  • FR769726A - Device constituting a directory for quick consultation in a small footprint : en fr
  • SU38580A1 - Device for controlling the mechanisms : en ru
  • US1971716A - Ash remover : en
  • GB415653A - A portable device for holding wearing apparel when not in use : en
  • FR769714A - Automatic dial switch : en fr
  • FR769793A - Shoe tree : en fr
  • GB415736A - Improvements in or relating to seaplanes : en
  • FR769695A - Improvements to tapered roller bearings : en fr
  • FR43771E - Powder composition for the preparation of adherent slurries intended for the treatment of plants : en fr
  • DE602138C - Swiveling discharge device for bottles and other glass objects : de en
  • US1971790A - Portable power tool : en
  • FR769475A - Automatic shut-off device for devices reproducing recorded sounds : en fr
  • GB415692A - Improvements in or relating to disengaging devices : en
  • US1971647A - Cut-out machine : en
  • GB415578A - Improvements in and relating to variable speed gearing : en
  • ES135080A1 - Improvements in the procedure for the destructive hydrogenation of carbonaceous materials. : en es
  • DE601988C - Process for the production of synthetic welding or puddle steel : de en
  • SU38193A1 - Device for electrical interlocking of arrows and signals : en ru
  • SU38334A1 - Automatic scales for loose bodies : en ru
  • SU38360A1 - Russian abacus with a device for the production of arithmetic operations : en ru
  • US1971738A - Unit pricing or lettering system and card display holder : en
  • PL20259B1 - A method of producing compounds of nitrogen with oxygen, in particular high-percentage nitric acid, by catalytic combustion of ammonia in oxygen or oxygen-rich gases. : en pl
  • FR769530A - Drip guard for brushes, paint brushes and the like : en fr
  • GB415503A - Improvements in fittings for the overhead contact conductors of electric traction systems : en
  • GB415536A - Method of producing a luminescent glass : en
  • US1971766A - Baking oven : en
  • SU38079A1 - Burner for kitchen type "Primus" : en ru
  • SU38397A1 - Variable reversing clamped : en ru
  • FR769466A - Movable support with automatic movement for the orientation of a steering light for motor vehicles : en fr
  • FR769708A - Assembly intended for the amplification or production of high frequency oscillations : en fr
  • GB415490A - Improvements in jacquard machines : en
  • FR43778E - Illuminated police plate with indirect lighting for vehicles : en fr
  • GB415570A - Improvements in or relating to electric discharge tubes : en
  • DK49196C - Soundproofing Wall cladding material. : da en
  • FR43769E - Fuel injection pump device and regulator for engines : en fr
  • DE602110C - Self-cleaning vibrating sieve : de en
  • ES134204A1 - An electromagnetic procedure of "compoundaje" of the alternators, without making use of the mechanical regulators. : en es
  • ES135099A2 - IMPROVEMENTS MADE IN THE SCOPE OF THE MAIN PATENT NUMBER 129607 : en es
  • FR769568A - Device for rewinding freshly spun artificial silk : en fr
  • FR769646A - Excavator with digger bucket with adjustable cutting angle : en fr
  • DE601872C - Device to prevent the formation of flames : de en
  • DE601919C - Intermediate or insert lids for steam cookers : de en
  • ES134687A1 - A force device applied automatically in any direction. : en es
  • FR769574A - Automatic device for adjusting the play of brake components, double-acting, in particular for railway vehicles : en fr
  • GB415467A - An improvement in means for operating synchronised mechanism controlling machine gun fire between aircraft propeller blades : en
  • US1971403A - Electric switch with quenching liquid : en
  • US1971512A - Method of forming a reenforcing swell on the inside of welded chain links : en
  • US1971805A - Electrode for stabilizing the cathode spot of mercury arc devices : en
  • SU38180A1 - Elastic wheel for railway vehicles with a pneumatic chamber : en ru
  • US1971492A - Still and evaporation apparatus : en
  • DE601997C - Process for the preparation of oxyethylated (ª ‰, ª † -dioxypropyl) -aminobenzenes : de en
  • FR769650A - Manufacture of alkaline nitrates : en fr
  • CA344165A - Tomato product manufacture : en fr
  • FR769461A - Improvements to piston pins : en fr
  • GB415528A - Improvements in or relating to fluid pressure gauges : en
  • FR769711A - Method and measuring instrument for measuring the power factor : en fr
  • US1971877A - Hub shell construction for vehicle wheels : en
  • CH171511A - Lighting device consisting of at least one light source and a background in front of which the objects to be illuminated are placed. : en fr
  • US1972054A - Fluid meter : en
  • US1971784A - Crank : en
  • US1971967A - Spring connection : en
  • SU38363A1 - Training Model for Studying Crane Effort : en ru
  • SU38576A1 - Visor to the window openings of closed crews : en ru
  • DK49170C - Plant for the production of welded pipes of strip iron. : da en
  • DE602010C - Gas-filled, electric discharge tubes that are suitable for light emission : de en
  • DE602126C - Cooling device for cold rooms with an ice container under the roof and a heat transferring pipe system starting from the ice container : de en
  • DE602159C - Rubber plate, in particular repair plate, valve plate : de en
  • US1971529A - Pyrotechnic : en
  • US1971476A - Process of preparing condensation products : en
  • US1971500A - Hose connection : en
  • CA344168A - Massaging apparatus : en fr
  • USD93184S - Design for a paper dish : en
  • AU1711334A - Improvements in amusement railways orthe like : en
  • SU38116A1 - Semi-coking oven : en ru
  • FR769630A - Shelf frame for drying tiles, bricks or other materials : en fr
  • FR769673A - Device for automatic change of cans in four colors : en fr
  • US1971465A - Catalyst for use in the contact method of making sulphuric acid : en
  • PL20320B1 - A method of producing resorbent threads for surgical purposes. : en pl
  • US1971797A - Lock : en
  • US1971737A - Means for measuring color value : en
  • GB415520A - Improvements in surface extensometers : en
  • FR769748A - Safety device for railways : en fr
  • PL20342B1 - Device for supporting the head on barber's chairs. : en pl
  • US1971866A - Rotary divider for grain harvesting machines : en
  • DE602019C - Swivel sprinkler : de en
  • FR769694A - Device for winding freshly spun artificial silk : en fr
  • US1971464A - Method of making slider for interlocking fasteners : en
  • US1971908A - Outlet box : en
  • US1971531A - Air heater : en
  • US1971884A - Device for removing frozen ice trays : en
  • CH171517A - Gas-filled electric incandescent lamp with a tubular glass bulb. : de en
  • DE601750C - Suspended chain made of insulators with umbrellas inclined to the Kloeppel axis and twisted against each other : de en
  • DE601994C - Dough sheeter : de en
  • SU38259A1 - Dermographism device : en ru
  • SU38336A1 - Device for stopping and changing the direction of wire movement during magnetic recording of sound on it : en ru
  • SU38574A1 - Hydraulic tipping device especially for motor carriages : en ru
  • FR769670A - Crusher apparatus : en fr
  • GB415502A - A photo-mechanical method of reproducing photographic illustrations in natural colour by rotary (newspaper) printing : en
  • FR769774A - Self-locking bolt system : en fr
  • GB415696A - Improvements in and relating to methods of and apparatus for drying and glazing photographic prints : en
  • CH171336A - Holding device on pants. : de en
  • FR769542A - Printing machine, and particularly rotary machine for printing sheets of different lengths : en fr
  • US1971540A - Soil pulverizer : en
  • US1971774A - Priming apparatus for centrifugal pumps : en
  • US1971847A - Method of impregnating a solid to control its chemical activity : en
  • GB415525A - Device for dressing and cutting up runner beans : en
  • GB415533A - Improvements in or relating to machines for stacking articles : en
  • ES135074A1 - An improved process for the manufacture of sodium carbonate decahydrate. : en es
  • IE12994L - Vehicle lifeguards : en
  • FR769701A - electrode for galvanic elements, in particular forming a plate with a large surface area for lead-acid accumulators : en fr
  • SU38273A1 - Modification of the drive molding mechanisms in glass-blowing machines of conveyor type : en ru
  • SU38190A1 - Electric lighting device for railroad hydrocolumns : en ru
  • US1972033A - Ophthalmic mounting : en
  • SU38111A1 - The way of dyeing by sulfur dyes of unpolished fabrics : en ru
  • DE602120C - Method and device for loosening a multi-part, tapered ram damper in the transverse direction : de en
  • US1971337A - Coaster pad : en
  • SU38425A1 - Injector suction for work with crushed and fresh steam : en ru
  • US1971368A - Brake adjuster : en
  • US1971919A - Negative conductance circuits : en
  • US1972057A - Oil cleaner : en
  • GB415581A - Improvements in and connected with apparatus for cooling oils and other liquids : en
  • GB415725A - Improvements in miners' and like safety lamps : en
  • SU38551A1 - Method for the production of thin-walled rubber products by immersing molds in glue or latex : en ru
  • SU38459A1 - Device for lifting the ridges on flax-jute-hemp and wool spinning machines : en ru
  • US1971383A - Transmitter : en
  • US1971827A - Fan : en
  • FR769755A - New compounds of the oxa-carbocyanine type, their preparation process and their applications as dyes, in particular as photographic sensitizing dyes : en fr
  • US1971504A - Seed product and process of making same : en
  • USD93188S - Design for a tray or similar article : en
  • GB415554A - Improvements in and relating to gas discharge devices : en
  • SU38553A1 - Plate for installation of parts to be welded : en ru
  • FR769609A - Safety device for heating or electric lighting devices : en fr
  • GB415622A - Improvements in propelling mechanism for aircraft : en
  • SU38064A1 - The method of producing aluminate liquor : en ru
  • US1971393A - Bromine substituted allylester of 2-phenylquinoline-4-carboxylic acid : en
  • US1971789A - Paper coating machine : en
  • US1972068A - Rotary drill bit : en
  • CH171529A - Telephone installation allowing the parallel connection of several telephone lines on the same sending device. : en fr
  • US1971399A - Slug casting machine : en
  • US1971873A - Massecuite treating apparatus : en
  • SU38221A1 - Device for the protection of electrical installations : en ru
  • US1971696A - Metal forming machine : en
  • GB415479A - Improved sifting or screening apparatus : en
  • DE601949C - Chain clipper : de en
  • FR43774E - Thermostat : en fr
  • SU38347A1 - Instrument for measuring the optical properties of bodies : en ru
  • US1971394A - Manufacture of fused bifocal lenses : en
  • US1971667A - Method of and apparatus for treating sheet rubber : en
  • CA344174A - Hank-holder : en fr
  • FR769535A - Improvements in feeding apparatus for feeding a strip or bar of plastic material to a cutting device or the like : en fr
  • FR769623A - Improvements to devices for cutting and chucking tubes in boiler manifolds : en fr
  • US1971931A - Gaseous electric discharge device : en
  • PL20199B1 - Swivel bed. : en pl
  • SU38468A1 - A device for charging store boxes for removable machines with empty reels : en ru
  • AU1397233A - Improvements in or relating to shock absorbers : en
  • FR769639A - Electric circuit breaker : en fr
  • CA344218A - Translating circuit : en fr
  • DK49184C - High frequency amplifier coupling. : da en
  • DE602087C - Process for foam control in fermentation processes : de en
  • US1972032A - Process for making neutral sodium pyrophosphate : en
  • SU38386A1 - Device for breeding silkworms : en ru
  • US1971658A - Reenforced concrete and other floor, roof, wall, and the like : en
  • SU38150A1 - The method of obtaining meochloracridine : en ru
  • US1971342A - Tank : en
  • US1971407A - Friction shock absorbing mechanism : en
  • US1971487A - Radiocircuit : en
  • SU38579A1 - Device for transmitting meter readings : en ru
  • SU38184A1 - Track braking : en ru
  • US1971460A - Method of treating meat : en
  • US1971597A - Repeating firearm : en
  • US1971933A - Kitchen sink and depository : en
  • SU38114A1 - Semi-coking oven : en ru
  • US1971457A - Optical system : en
  • US1971461A - Combing machine : en
  • US1971485A - Crusher for reconditioning sacked material : en
  • US1971574A - Off bearing delivery : en
  • US1971643A - Automatic adjusting device : en
  • DE601899C - Folding device for rotary printing machines : de en
  • DK49183C - Television Receiving System. : da en
  • FR43794E - Improvement in the manufacture of matches based on phosphorus sesquisulphide : en fr
  • FR769512A - Method and device for separating or treating and spinning vegetable and other fibers : en fr
  • CA344209A - Copper alloy : en fr
  • DE602043C - Wedge tab for producing a rigid beam joint : de en
  • GB415474A - Improvements in or relating to internal combustion engines : en
  • AU1832034A - Improvements in and relating to cane harvesting machines : en
  • CH171371A - Process for the production of a new sulfur dye. : de en
  • CH171476A - Method and device for operating deflagration chambers, in particular for internal combustion turbines. : de en
  • FR769601A - Device for dispensing sheets of paper more particularly applicable to machines for erasing sheets and envelopes : en fr
  • FR769766A - Process for the preparation of monoazo dyes : en fr
  • FR769789A - Device for heating the heaters for permanent waving of hair : en fr
  • DE602017C - Switching frame for calculating machines : de en
  • DE601983C - Slide projection device for shooting practice purposes : de en
  • FR769537A - Rubberized fabric and its manufacturing process : en fr
  • CH171601A - Device for the simultaneous testing of roadways and wheels running on them. : de en
  • US1971623A - Holder for electric fuses, etc. : en
  • US1971642A - Bag holder : en
  • US1972021A - Machine for making boxes : en
  • CH171395A - Switching device for the paper trolley of typewriters. : de en
  • FR769541A - Suspender enhancements : en fr
  • FR769494A - Method and device for recording oscillations : en fr
  • US1971331A - Building reconstruction : en
  • US1971591A - Aileron : en
  • FR43757E - Instant Ignition Hydrocarbon Steam Stove : en fr
  • FR769720A - Die-forging of profiled parts with internal recesses, by a new manufacturing process : en fr
  • DE601801C - Copper connecting pieces for pipes : de en
  • DE602104C - Battery case : de en
  • CH171425A - Acoustically compensated volume control in low frequency amplifiers, especially in those of radio receivers. : de en
  • FR769815A - : fr
  • GB415707A - Improvements in badminton rackets : en
  • FR769698A - Chalk holder for billiards and other applications : en fr
  • FR769631A - Bobbin tube improves winding and eliminates thread recanetting : en fr
  • CH171380A - Process for the production of mixtures of ammonium chloride and carbonates of alkaline earths in granular form. : de en
  • CH171423A - Speedometer with a device for registering a plurality of signals. : de en
  • FR769622A - : fr
  • GB415466A - Process for the manufacture of alkali metal hydroxide solutions : en
  • IE13612L - Refrigerators : en
  • FR769508A - Process for the preparation of anhydrous or highly concentrated formic acid from alkali formates : en fr
  • FR769738A - Manufacturing process of turbine rotors : en fr
  • SU38094A1 - Adaptation to punching presses for alternately putting several punches into operation : en ru
  • US1971685A - Rock drill feed mechanism : en
  • FR769635A - Equipment for sports and fairground attractions : en fr
  • GB415519A - Improvements in, and in the manufacture of production of, luggagecarriers for attachment to cycles : en
  • PL20262B1 - Finned tube for heater, heated by flue gas. : en pl
  • SU38438A1 - Driving wheel for carts : en ru
  • USD93156S - Design fob an embossed transparent : en
  • SU38246A1 - The method of obtaining the basic dye : en ru
  • FR769798A - Improvements to the cash registers particularly intended to constitute cradles, beds and baby carriages : en fr
  • US1971688A - Electrical compensator : en
  • SU38123A1 - Method of eliminating pricing in biochemical analyzes : en ru
  • SU38375A1 - Tracks for wagons designed for water and land : en ru
  • US1971870A - Cigarette making machine : en
  • PL20218B1 - Heat exchanger, especially for air heating. : en pl
  • SU38535A1 - Adjusting to dual air brakes for variable braking : en ru
  • DE602117C - Erecting, extending and rotating fire brigade ladder made of metal : de en
  • DE602112C - Device for feeding preprinted inserts to the printed products coming from a printing machine : de en
  • FR769658A - Improvements to indicating devices for urban tourist maps, etc. : en fr
  • PL20285B3 - Ambulance switching device in typewriters. : en pl
  • US1971526A - Cartridge clip : en
  • US1971974A - Combination tool : en
  • US1971975A - Automobile body and fender jack : en
  • US1972031A - Straw retarder : en
  • SU38149A1 - The method of obtaining tetrimethylthiuram disulfide : en ru
  • SU38262A1 - A device for treating a fracture of the phalanges and the flesh of the hand : en ru
  • US1971740A - Rebound check for engine starters : en
  • CA344208A - Electric power converting apparatus : en fr
  • CH171443A - Machine tool for threading revolution bodies with a convex surface. : en fr
  • US1971470A - Fishing reel : en
  • US1971513A - Electric ozone generator : en
  • SU38383A1 - Device for cleaning manure in the barnyard : en ru
  • US1971717A - Process for the manufacture of gas by the admission of high carbon oil to generator during blow run : en
  • DE602135C - Intra-uterine pessary : de en
  • FR769681A - Device for connecting conductors for bipolar glow plugs : en fr
  • FR769740A - Method for wireless transmission of television images : en fr
  • GB415677A - Improvements in and relating to dry gasometers : en
  • SU38129A1 - Device for producing citric acid by fermentation : en ru
  • US1971358A - Waste heat recovery apparatus : en
  • SU38124A1 - Altmag analysis method : en ru
  • US1971818A - Frequency and load control of alternating current systems : en
  • PL20298B1 - Automatic rifle. : en pl
  • PL20324B1 - Toilet flushing device. : en pl
  • PL20344B1 - Electric device to fix the hairstyle and wave the hair separately or simultaneously. : en pl
  • US1971693A - Arch brick : en
  • CA344171A - Carbureter : en fr
  • SU38370A1 - Squared for square and chess sowing : en ru
  • US1971678A - Mechanism for separating intermixed divided materials : en
  • CH171496A - High voltage fuse. : de en
  • AU1397933A - Improved coin testing and sorting machine : en
  • US1972035A - Smoothing iron : en
  • ES135061A3 - Staggered gear drive device for direct electrical control on machines of all kinds. : en es
  • DE601895C - Device for dismantling diagonally cut tracks : de en
  • DE602007C - Fastening a bearing body in an opening in the end shield of an electrical machine : de en
  • ES134426A1 - Improvements in the graduated utensils for use in laboratories and pharmacies. : en es
  • GB415577A - An improved elastic suspension for vehicles : en
  • SU38361A1 - Learning slide rule : en ru
  • CH171495A - Resonance spring drive for carrying out work processes. : de en
  • US1971701A - Hole cutter for tank flange pipe couplings : en
  • PL20261B1 - Filter mass for gas filters. : en pl
  • CH171431A - Process for the production of a chrome ore concentrate. : de en
  • US1971762A - Radioreceiver : en
  • SU38345A1 - Stereoscope : en ru
  • US1971820A - Helicopter airscrew : en
  • AU1396633A - Improvements in or relating toa method for providing golfballs witha hardened surface finish : en
  • CA344258A - Metal processing method : en fr
  • GB415551A - Improvements in and relating to the manufacture and production of hydrogen chloride : en
  • GB415691A - Improvements in preparation of basic organic nitrogen compounds : en
  • USD93172S - Design for a casing for a grinding : en
  • US1971683A - Colored coal and process of producing the same : en
  • DK49175C - Grinding machine. : da en
  • GB415539A - Improvements in and relating to hinged supports for folding tables and other foldingarticles : en
  • US1972064A - Support for attachment to ladders : en
  • SU38096A1 - Device for stamping blanks nuts on a friction press : en ru
  • SU38201A1 - Acoustic shock protection device : en ru
  • AU1268133A - An improved socket for shares for cultivators and combines : en
  • CH171334A - Corselet. : de en
  • US1971728A - Process of reforming oil gas : en
  • US1971874A - Oil burner : en
  • US1971909A - Recovery of magnesium hydroxide : en
  • SU38396A1 - Reactive internal combustion turbine : en ru
  • CH171386A - Process for the manufacture of a metallic article with a covering layer of aluminum or of an aluminum alloy, installation for implementing this process and article obtained according to the latter. : en fr
  • SU38174A1 - A device for automatically turning to the initial position of a tilted body of a monorail trolley : en ru
  • SU38473A1 - Circuit breaker in boxing machines : en ru
  • US1971346A - Hydrostatic auxiliary starting means for torpedoes : en
  • CH171396A - Device for displaying the writing limit at the end of a line on writing, writing calculators and similar machines. : de en
  • SU38452A1 - Artillery shrapnel type : en ru
  • PL20246B3 - A method of producing anti-moth preparations. : en pl
  • SU38122A1 - The method of clarification of sulphate extracts from baked clay : en ru
  • US1971872A - Combined inductance coil and switch : en
  • US1971901A - Microray transmission line : en
  • CA344182A - Railway crossing signal : en fr
  • CH171602A - Device for clamping the boom support of radial drilling machines on the base. : de en
  • SU38162A1 - Copier : en ru
  • US1971566A - Powdered soap and process and apparatus for making same : en
  • SU38343A1 - Instrument for measuring the reflection, transmission and absorption coefficients of flat plates in diffuse light : en ru
  • USD93193S - Design for a bottle or similar : en
  • PL20343B1 - Aircraft targeting device. : en pl
  • PL20328B1 - & lyi Drive for gear rollers in inclined mills. : en pl
  • SU38516A1 - A method of making rolled tubes with internal wall thickenings at the ends : en ru
  • SU38498A1 - Device for stopping the warping machine when the thread breaks : en ru
  • CH171275A - Electrical device on oil fires for automatic control of the same. : de en
  • SU38220A1 - Device for controlling distance receivers of electrical energy : en ru
  • SU38525A1 - The method of cleaning a mixture of carbon monoxide and phosphorus vapor : en ru
  • GB415662A - Improvements in and connected with aprons for dairy and like work : en
  • SU38549A1 - Carbon cleavage device by electric spark : en ru
  • US1971798A - Purification and separation of gaseous mixtures : en
  • USRE19296E - Boiies cleaner : en
  • US1971837A - Tungsten seal : en
  • US1971852A - Process for stirring up farinaceous materials in receptacles of any kind by compressed air, compressed gas, or the like : en
  • US1972019A - Optical objective system : en
  • CA344271A - Dipper : en fr
  • CH171420A - Automatic firearm with fixed barrel and locked bolt. : de en
  • CH171521A - Artificial tooth. : de en
  • CH171271A - Machine for the production of glass sheets. : en fr
  • DE601934C - Method and device for the production of electrolytic deposits with local reinforcements, in particular on cutlery : de en
  • DE602057C - Joint, especially for collapsible rescue stretcher : de en
  • FR43777E - Monoplane plane : en fr
  • SU38421A1 - Method of making rasters : en ru
  • SU38431A1 - Instrument for the experimental determination of aerodynamic coefficients of aerodynamic weights : en ru
  • US1971547A - Bearing : en
  • CH171365A - Process for the production of a carbazole derivative. : de en
  • CH171248A - Glasshouse. : de en
  • CA344253A - Glassware manufacture : en fr
  • CH171480A - Regulating device on DC machines. : de en
  • BE404498A - Direct color photography process : en fr
  • SU38508A1 - Apparatus for separating beet tails from straw and other light impurities : en ru
  • US1971483A - Method of and apparatus for transmitting signal control currents : en
  • US1971608A - Brake : en
  • US1971721A - Method of making low gravity gas : en
  • DE601907C - Device for connecting two line ends : de en
  • FR769629A - Apparatus and method for combustion in particular low calorific material such as slush : en fr
  • GB415530A - Change-speed gear mechanism : en
  • PL20257B1 - The method of producing rayon crepe fabrics. : en pl
  • PL20376B1 - A method for producing a cross-winding forgoing package and an apparatus for carrying out the method. : en pl
  • SU38285A1 - Suspension brackets (raters) for supporting hauling and cargo cables in cable cranes : en ru
  • US1971656A - Preparation of vinylacetylene : en
  • CH171417A - Return barrel gun with automatically adjustable flow limitation. : de en
  • DK49176C - Device by Telephone Network, by which several Subscribers can simultaneously hear over one and the same Cable. : da en
  • FR43790E - Improvements to electric circuit cartridges for pneumatic tubes : en fr
  • US1971438A - Universal adapter : en
  • US1971867A - Razor sharpening device : en
  • US1971943A - Gaseous electric discharge lamp : en
  • USD93159S - Design for a shoe : en
  • PL20352B1 - Method of cracking mineral oils. : en pl
  • US1971891A - Electric discharge tube and process of operating same : en
  • SU38483A1 - Device for applying glue to the tabs of packages in packaging machines : en ru
  • US1971442A - Phonographic apparatus : en
  • US1971471A - Chair seat : en
  • US1971655A - Motor vehicle safety brake : en
  • SU38554A1 - Gyroscopic compass : en ru
  • SU38207A1 - The way to deal with interference in the reception of modulated oscillations : en ru
  • US1971859A - Printing device for tabulating machines for perforated cards : en
  • US1971904A - Internal combustion engine : en
  • SU38284A1 - Inclined Cage Lift : en ru
  • US1971661A - Signaling and advertising device : en
  • USRE19298E - Filter : en
  • US1971635A - Process of manufacturing hard surface floor coverings and material therefor : en
  • ES133344A1 - Procedure so that cars, trucks, railroads, airplanes and all kinds of land, sea and air vehicles can be given time and opportunity, signals, whether they are bright, sound or images that are convenient for a : en es
  • SU38385A1 - Device for breeding silkworms : en ru
  • US1971902A - Microray vacuum tube : en
  • DE602055C - Circular knitting machine with needle groups driven by separate control cams : de en
  • ES135094A1 - Improvements in the facilities of radio communication lines. : en es
  • DE601793C - Installation on wire braiding machines : de en
  • FR769531A - Photographic printer-enlarger : en fr
  • FR769870A - Expandable bag : en fr
  • US1971377A - Safety parachute for aeroplanes : en
  • CA344229A - Furnace wall : en fr
  • DE602119C - Process for removing carbides and phosphides from cement produced in a blast furnace : de en
  • CH171374A - Leather preservatives. : de en
  • CA344211A - Electric valve converting apparatus : en fr
  • CA344249A - Light sensitive material : en fr
  • CH171320A - Mesh yarn body, particularly applicable to the manufacture of bras and hat forms, and method of establishing this body. : en fr
  • CH171449A - Abrasive element and method of making the same. : en fr
  • CH171546A - Advertising device for postal mailboxes. : de en
  • US1971989A - Chain making machine : en
  • SU38271A1 - The method of obtaining optical glass : en ru
  • CH171303A - Garment bag made of paper. : de en
  • CH171257A - Process for the execution of a road surface and machine for the implementation of this process. : en fr
  • CA344205A - Electric valve circuit : en fr
  • CH171278A - Device for cutting onions or vegetable tubers into small pieces. : en fr
  • PL20363B1 - Round for smooth-barreled guns. : en pl
  • AU1397333A - Improvements in or relating to shock absorbers : en
  • US1972024A - Desk accessory : en
  • CH171595A - Process for the preparation of a chromium-containing azo dye. : de en
  • SU38279A1 - Plant for stretching sheet glass using exhaust boat : en ru
  • SU38406A1 - Pipe bending machine : en ru
  • US1971748A - Pyrolysis of hydrocarbons : en
  • SU38101A1 - Apparatus for observing the graphening of patterns of a fabric passing through a sittopress machine : en ru
  • CH171254A - Transportable boxes for motorcycles and small cars. : de en
  • CH171418A - Equipment for shooting, with projectile at high initial speed and high penetrating force. : en fr
  • US1971570A - Dispensing container for surgical sutures : en
  • US1971861A - Brake : en
  • CA344230A - Winding machine : en fr
  • US1971343A - Locomotive stoker : en
  • US1971968A - Geared motor : en
  • US1971459A - Automatic drain valve : en
  • SU38500A1 - Two-shaft loom : en ru
  • SU38515A1 - Device for the backward supply of products through the free side of the rolling mill : en ru
  • US1971444A - Eyeglass frame and eyeglass rimless mounting : en
  • PL20367B1 - A device for suspending a railway wagon poodle on wagon bogies. : en pl
  • CA344284A - Batter dispenser : en fr
  • CH171307A - Closure for metal vessels. : de en
  • CH171369A - Process for the production of a nitrogen-containing condensation product. : de en
  • PL20319B1 - A method of producing highly viscous aqueous dispersions. : en pl
  • US1971799A - Automatic controlled electric time switch : en
  • US1971825A - Manually operated slicing machine : en
  • US1972039A - Fabric seam and method and means for making the same : en
  • AU1402633A - Improved press, for tennis racquets andthe like : en
  • CH171326A - Process for the production of templates for the patterning of textile fabrics. : de en
  • CA344186A - Thread, fibre, ribbon or sheet manufacture : en fr
  • US1971408A - Tent for gas-delivering apparatus : en
  • CA344264A - Draft tube : en fr
  • CH171585A - Process for the production of chlorinated lime. : de en
  • CA344257A - Metal and alloy processing agent : en fr
  • US1971899A - Polarity indicating apparatus : en
  • PL20188B1 - System for transmitting pulses on telephone lines for calling and setting dials. : en pl
  • PL20302B1 - Method of obtaining paints from zinc sulphide. : en pl
  • PL20247B1 - Pencil sharpener. : en pl
  • US1971404A - Sash guide : en
  • US1972004A - Brake mechanism, particularly for road vehicles : en
  • CA344259A - Metal and alloy production : en fr
  • GB415463A - A new or improved device for use in connection with playing games : en
  • US1971977A - Cabin : en
  • PL20283B1 - Spark plug for internal combustion engines. : en pl
  • PL20284B1 - Hydraulic regulating device. : en pl
  • SU38550A1 - Oak Plant Stem Processing Machine : en ru
  • US1971747A - System of motor control : en
  • US1971969A - Granular material for gas purification and method of making the same : en
  • CA344248A - Bleaching process : en fr
  • SU38202A1 - The way to protect communication lines from the effects of power lines : en ru
  • SU38229A1 - Electrical relay : en ru
  • US1971335A - Apparatus for refining of raw materials : en
  • USD93175S - Design fob a building : en
  • USD93181S - Design fob a heater : en
  • PL20346B1 - A method for producing glass threads or yarns, strands and similar melting materials, and an apparatus for carrying out the method. : en pl
  • CH171310A - Centrifuge, especially for the rayon industry. : de en
  • PL20231B1 - Cathode ray tube with one or more electrodes, tensioned by one or more springs. : en pl
  • PL20374B1 - Automatic machine for postage franking. : en pl
  • US1971402A - Automobile loading block : en
  • US1971769A - Electric motor control system : en
  • US1972009A - Light-sensitive cell : en
  • US1971328A - Fuel burner : en
  • US1971527A - Carburetor : en
  • PL20233B1 - A method of regulating the operation of combustion chambers, especially when applied to combustion turbines, and an apparatus for carrying out the method. : en pl
  • US1971659A - Self grinding valve : en
  • CH171427A - Film for recording a mechanically generated and optically evaluated vibration recording, in particular a sound recording. : de en
  • SU38277A1 - Instrument for the continuous extraction of glass tubes : en ru
  • US1971462A - Internal combustion engine : en
  • CA344290A - Telegraph exchange system : en fr
  • SU38118A1 - Milling peat forming machine : en ru
  • SU38199A1 - Device for opening a through-pass disk with a wake-up alarm : en ru
  • SU38401A1 - Adaptation to turning-turret strikes and automatic machines for the supply of bar material : en ru
  • USD93185S - Design for a fly swatter : en
  • CA10440S - Vehicle wheel : en
  • CH171389A - Process for the production of paper bags and paper bags produced by the process. : de en
  • CH171538A - Coupling device for coupling the antenna to a radio device. : de en
  • SU38561A1 - Control device for multiple fuel pumps : en ru
  • CH171474A - Device for preventing clogging of injection nozzles in internal combustion engines. : de en
  • CH171482A - Starting procedure for AC motors with cage winding in the secondary part. : de en
  • DK49195C - Blik-, Traad- eller Baandkærne eller Krarupbevikling. : da en
  • FR769455A - Improvement to ceramic or other facing tiles : en fr
  • FR769641A - Coin selector device for automatic prepayment devices : en fr
  • CA344167A - Convertible ladder : en fr
  • FR769731A - Process for the production of compound titanium pigments : en fr
  • PL20289B1 - Device for controlling compressed air in a pneumatic work tool. : en pl
  • SU38447A1 - Method of making polishing wheels : en ru
  • US1971709A - Vehicle spring : en
  • US1971714A - Filling neck protector : en
  • US1971983A - Saw setting machine : en
  • DE601940C - Block lock for hunting rifles with overlapping barrels : de en
  • PL20277B3 - A device for manual accounting and tracing. : en pl
  • SU38120A1 - Auger type leach : en ru
  • GB415605A - Improvements in hydraulic shock absorbers : en
  • GB415714A - Improvements in the manufacture of bobbins : en
  • CH171580A - Hook arrangement on sewing machines. : de en
  • PL20198B1 - Motorcycle trunk. : en pl
  • US1971357A - Spring-controlling device : en
  • US1971930A - Purification of ether : en
  • SU38170A1 - Method of laying railway track : en ru
  • SU38255A1 - Air-tr is strong machine for fibrous materials : en ru
  • US1971448A - Vacuum pump : en
  • USD93157S - Design for a check writing machine : en
  • USRE19295E - beating : en
  • US1971336A - Draft control device for solid or fluid burning furnaces : en
  • CA344155A - Windshield wiper : en fr
  • SU38398A1 - Heat insulation for steam locomotives : en ru
  • US1971760A - Process for the manufacture of cup grease : en
  • CA344181A - Chain lock : en fr
  • SU38302A1 - Tool for cutting machines with a circular saw and a tree supporting carriage for securing the tree on the carriage : en ru
  • US1972048A - Book cover : en
  • SU38490A1 - Container : en ru
  • US1971653A - Expansible wheel : en
  • CH171398A - Loose-leaf accounting form. : de en
  • DE601915C - Pedestal : de en
  • CA344197A - Wood block flooring : en fr
  • CH171516A - Gaseous fuel burners. : de en
  • GB415471A - Improvements in biograph film winding apparatus : en
  • US1971754A - Manufacture of sodium sulphate : en
  • US1972065A - Muffler : en
  • SU38112A1 - Machine for combing and cleaning hair and bristles : en ru
  • SU38161A1 - Device for installing printing plates for multi-color printing : en ru
  • SU38191A1 - Track braking : en ru
  • SU38467A1 - Water Reel Changing Machine : en ru
  • US1971630A - Electric hearing apparatus for the deaf : en
  • DE602059C - Method and device for the production of metal cast blocks and similar castings : de en
  • GB415609A - Improvements in or relating to heat-interchanger tubes : en
  • US1971979A - Washing and drying machine : en
  • PL20303B1 - and for brittleness aa hot at a blue coating temperature. : en pl
  • GB415684A - Device for scraping vegetables and the like : en
  • DE601893C - Water piston press : de en
  • CH171550A - Collapsible container. : en fr
  • DE602067C - Testing machine for determining the wear resistance of carpets and other pile fabrics : de en
  • SU38117A1 - Peat forming machine : en ru
  • US1971418A - Drilling machine : en
  • DE602136C - Hand tool for forming nozzles on glass bottles : de en
  • GB415600A - Improved seed-drill or cultivating apparatus : en
  • GB415655A - Improvements in or relating to bung hole bushes for iron drums : en
  • US1971707A - Container for milk bottles : en
  • US1971958A - Method of stabilizing automobiles while in motion : en
  • US1971662A - Ether of polyvinyl alcohol : en
  • CH171364A - Process for the production of 3-methylalpentane. : de en
  • SU38557A1 - Electrical Voting Counters : en ru
  • US1971638A - Motor operated chuck for lathes and other machine tools : en
  • US1971677A - Thermal treatment of hydrocarbon gases : en
  • AU1711734A - Improved press for tennis racquets and the like : en
  • US1971595A - Flexible-tube construction : en
  • CH171510A - Process for the production of self-burning electrodes and linings made of carbon material. : de en
  • DE601878C - Feed device for packing machines, especially cigarette packing machines : de en
  • DE601951C - Blow stowing machine with crusher : de en
  • AU1396533A - Improvements in or relating to machines for exercising a pressing or pressing and rubbing action upon seamed or other workpieces of sheet material : en
  • SU38103A1 - Meter for cloth, warp, etc. : en ru
  • US1971375A - Soap : en
  • US1971451A - Window screen : en
  • SU38288A1 - Finned tube for central heating : en ru
  • US1971386A - Propeller type fluid translating apparatus : en
  • US1971841A - Damper control device : en
  • CH171415A - Game. : en fr
  • FR43779E - Automatic sensitivity adjustment device for radio receivers : en fr
  • CA344188A - Gold recovery : en fr
  • PL20202B1 - Device for adjusting claws on pedal wheels of motor vehicles. : en pl
  • PL20276B1 - The device offers manual accounting and calculation. : en pl
  • US1971869A - Cigarette making machine : en
  • PL20267B3 - Concrete pressing pump with a drive section that moves backwards. : en pl
  • SU38121A1 - A trap for removing liquid from solid suspended particles : en ru
  • SU38299A1 - Adaptation to double edging circular sawing machines for filing short pieces of wood : en ru
  • US1971824A - Speed transmission for automobiles and the like : en
  • US1971533A - Cradling fob panels : en
  • US1971801A - Oven heat control : en
  • US1972050A - High frequency method of and apparatus for exterminating insect life in seed or grain or other materials : en
  • US1971750A - Grease and its manufacture : en
  • BE404429A - : en
  • PL20216B1 - Connector for rails. : en pl
  • CH171313A - Belt guide for warping machines in the ribbon weaving mill. : de en
  • AU1706334A - Improvements in and relating tothe preparation of tablets of coffee or mixtures containing coffee : en
  • CH171478A - Control device. : de en
  • CA344274A - Road marker : en fr
  • CH171301A - Device for brewing coffee and the like. : de en
  • US1971668A - Process for the production of monobasic aluminum sulphite : en
  • US1971871A - Process for the preparation of inulin : en
  • US1971991A - Funeral coach : en
  • SU38152A1 - Method for preparing 8-hydroxyquinolysis : en ru
  • US1971398A - Coating material useful in the manufacture of artificial leather : en
  • US1971925A - Method for heating : en
  • PL20338B1 - A device for creating dotted color effects on fabrics. : en pl
  • PL20365B1 - Porous ventilator, especially for ventilating fermenting liquids. : en pl
  • SU38154A1 - Purification of Opium Alkaloid Solutions : en ru
  • US1971390A - Soil treating cartridge : en
  • US1972012A - Philatelic mounting : en
  • CH171500A - Arrangement for controlling the anode grids in ion valves with multiple anodes. : de en
  • CH171594A - Process for the preparation of a chromium-containing azo dye. : de en
  • GB415579A - Process for producing moulded bodies from practically pure aluminium oxide : en
  • SU38176A1 - Kulachkovoy clutch : en ru
  • SU38283A1 - Crest : en ru
  • US1971855A - Method of purifying sulphur dioxide bearing gases and manufacturing sulphur trioxide therefrom : en
  • CH171244A - Greenhouse ventilation device. : de en
  • FR769756A - Rolling device for smooth rim wheels : en fr
  • GB415709A - Improvements in and relating to vacuum electric discharge tubes : en
  • SU38404A1 - Machine for slotting screws in, etc. : en ru
  • US1971999A - Building construction : en
  • US1971524A - Art of distinguishing between genuine and spurious checks : en
  • US1971809A - Terminal for resistors : en
  • BE404085A - : en
  • CH171559A - Device for sealing a shaft with spatial freedom of movement in relation to the bearing housing, in particular for dust sealing the axle bearings of rail vehicles. : de en
  • US1971773A - Riveting machine : en
  • US1971928A - Duo-self-equalizing expansion joint : en
  • CH171412A - Ski binding. : de en
  • US1971555A - Lubricating apparatus : en
  • GB415451A - Improvements in apparatus for the pasteurisation of milk and other substances : en
  • GB415680A - Improvements in traffic signals for motor or other vehicles : en
  • DE601966C - Registration device : de en
  • FR769644A - Process for manufacturing phonograph records and records obtained by this process : en fr
  • DE602021C - Ignition coil for internal combustion engines : de en
  • FR769651A - Installation more particularly intended for fruit picking and tree pruning : en fr
  • FR769781A - Hard-toe wetting device for shoes : en fr
  • CH171554A - Driving wheel, especially for tractors, with an impeller arranged next to the grab wheel. : de en
  • US1972022A - Milling tool : en
  • US1971726A - Expansion bolt : en
  • DE602064C - Process for coloring high-molecular, organic, plastic masses, especially rubber and rubber-like substances : de en
  • FR43798E - Improvements made to the escape mechanisms in order to make them silent : en fr
  • FR769723A - Automatic poker : en fr
  • SU38156A1 - Steam engine with rotating piston : en ru
  • US1971495A - Bean cutter : en
  • US1971718A - Method and apparatus for preventing backfires in metal vapor rectifiers : en
  • US1971725A - Mechanism for producing plain knit areas in certain knitted fabrics : en
  • US1971816A - Method and apparatus for the control of evaporating processes : en
  • CA10437S - Vehicle tyre tread : en
  • CH171245A - Large span greenhouse. : de en
  • DE601742C - Mass cylinder for injection molding machines for plastic masses : de en
  • CH171490A - AC circuit breaker. : de en
  • GB415727A - Improvements in electric starting devices for internal combustion engines : en
  • GB415613A - Improvements in or relating to devices comprising at least one electric discharge lamp : en
  • DE602046C - Disc roller grate : de en
  • DE602008C - Line arrangement for supplying electricity consumers in a row in mining operations, mainly portable electrical lights : de en
  • FR769665A - Power switch for alternating current : en fr
  • ES135103A1 - Improvements introduced in the firing movement of the shotguns. : en es
  • FR769799A - Working process for hollow punch upsetting presses and tube presses : en fr
  • SU38165A1 - Newspaper ink dyeing device : en ru
  • FR769515A - Steering wheel for tractors : en fr
  • FR769795A - Radiant dryer with eclipsable branches : en fr
  • GB415575A - Improved means for spraying plants with liquids : en
  • FR769474A - Phonographic record apparatus : en fr
  • DE601954C - Process for dyeing animal fibers : de en
  • GB415522A - Improvements relating to liquid-immersed electric circuit interrupters : en
  • GB415549A - Improvements in and relating to tables, chairs and the like : en
  • GB415604A - Apparatus for the production of boxes or bags : en
  • US1971763A - Electrolytic cell : en
  • US1972010A - Air cooling device : en
  • GB415595A - Flexible, universal, metallic couplings for scaffolding and the like : en
  • FR769741A - Full rotation crane : en fr
  • GB415450A - Improvements in or relating to trolleys : en
  • CH171349A - Hydraulic sausage filling device. : de en
  • FR43760E - Single-phase induction motor with short-circuited armature and auxiliary starting phase with capacitor : en fr
  • FR769728A - Method of manufacturing hydrocarbon mortars : en fr
  • GB415586A - Savings calendar : en
  • GB415566A - Improvements in or relating to ornithopters : en
  • DE599066C - Device for generating electrolytic deposits : de en
  • GB415555A - Manufacture of condensation products capable of being moulded, and of moulded articles therefrom : en
  • GB415646A - Improvements in the mouthpieces of tobacco pipes and cigar and cigarette holders : en
  • GB415675A - Improvements in friction clutches : en
  • FR769523A - Process for photographing sounds on tape or film by modulating a fixed light intensity : en fr
  • PL20296B1 - Regulating device for gas nozzles of internal combustion engines. : en pl
  • ES135066A1 - Improvements in razors combined with deposit of leaves. : en es
  • GB415718A - Process for the manufacture of acid amide derivatives : en
  • ES134751A1 - A perfection in the manufacture of footwear sewn system sandal. : en es
  • GB415719A - An improved process and apparatus for sheathing heavy current and light current electric cables with aluminium and its alloys : en
  • FR769565A - Mesh fabric : en fr
  • CA344252A - Lumped wrought iron producing apparatus : en fr
  • GB415676A - Improvements in or relating to electrodes for use in apparatus for the electrical precipitation of suspended particles from gaseous fluids : en
  • FR769712A - : fr
  • SU38148A1 - Method for preparing dipyridylgunidine and its derivatives : en ru
  • SU38241A1 - Device for cleaning soot from gas pipelines : en ru
  • SU38235A1 - The method of obtaining dehydrodiotoluenhdig : en ru
  • CH171428A - Clock with two minute hands. : de en
  • DE602047C - Drive for jigger by means of conical disks : de en
  • FR769579A - Advanced device for varying the compression ratio of compression ignition oil engines : en fr
  • FR769597A - New anthraquinone compounds containing nitrogen : en fr
  • GB415658A - A process and apparatus for the production of hydrogen peroxide : en
  • GB415753A - New azo dyestuffs and the application thereof : en
  • CH171252A - Brick for reinforced load-bearing walls. : de en
  • DE602116C - Zigzag sewing machine : de en
  • FR769462A - Endless Track Vehicle Suspension Improvements : en fr
  • FR769637A - Power supply process and transformer for arc welding circuit : en fr
  • US1971588A - Dishwashing machine : en
  • FR769577A - Stabilization process for gelatin silver halide emulsions : en fr
  • SU38110A1 - Method of dyeing with red substantive dyes : en ru
  • SU38542A1 - Modulation Device : en ru
  • BE404374A - : en
  • SU38281A1 - Method for producing selenium dye for glass : en ru
  • FR769653A - Process for maturing and improving the baking value of flour and apparatus carrying out the said process : en fr
  • US1971502A - Fuse powder for metal delays : en
  • US1971964A - Method of recovering ammonium sulphate and sulphur from gases containing ammonia andsulphuretted hydrogen : en
  • AU1555333A - Improvements inthe treatment of bristles for toothbrushes andother brushes : en
  • CH171408A - Skis with protective edges. : de en
  • CH171499A - With a wire wound into several cores. : de en
  • PL20251B1 - A hair conditioner after washing with alkaline substances. : en pl
  • SU38305A1 - Method of bending rivets : en ru
  • SU38509A1 - Beetroot grater : en ru
  • USD93190S - Design for a tank vehicle : en
  • PL20311B1 - Signal device for slipping couplings and the like, : en pl
  • SU38426A1 - Hydraulic ram : en ru
  • US1971601A - Pumping and distributing mechanism : en
  • ES2828U - Improved brush (Machine-translation by Google Translate, not legally binding) : en es
  • GB415693A - Variable speed gear : en
  • US1972016A - Burner : en
  • SU38470A1 - Water float skis : en ru
  • CA344195A - Telephone switch : en fr
  • CA344281A - Stoker and firedoor : en fr
  • USD93186S - Design for a refrigerator cabinet : en
  • SU38104A1 - Machine for folding and measuring tissue : en ru
  • SU38475A1 - Lime slaking machine : en ru
  • CH171404A - Process for the production of color-correct printing forms for multi-color printing. : de en
  • CH171596A - Process for the preparation of an azo dye of the stilbene series. : de en
  • SU38418A1 - Group shooting method : en ru
  • FR769758A - Safety razor : en fr
  • SU38068A1 - Adaptation for hot briquetting of metal chips : en ru
  • CA344170A - Vehicle suspension : en fr
  • CH171267A - Process for preparing a cement. : en fr
  • CH171375A - Process for the production of asphalt solutions. : de en
  • GB415545A - Beater drums for apparatus for delivering and beating in hot bitumen or such like upon roadways : en
  • GB415569A - Improvements in conveyors : en
  • DE601891C - Process for the preparation of asphalt emulsions emulsified with clay and alkali hydroxides or the like : de en
  • SU38266A1 - Bonding material for coniferous lands : en ru
  • SU38244A1 - Device for signaling a thread breakage in a Rachel machine : en ru
  • US1971731A - Automatic cut-off : en
  • SU38268A1 - Mold for casting hardened cast iron dies : en ru
  • PL20357B1 - Mounting of variable focal length lenses. : en pl
  • PL20310B1 - A method of gasifying fuel using steam and air, or more or less pure oxygen. : en pl
  • GB415510A - An article delivery receptacle for use outside doors and the like : en
  • DE601870C - Dry high pressure gas meter with two diaphragms and eight valves : de en
  • SU38172A1 - Manual machine for the formation of poduklonok on railway scales : en ru
  • SU38349A1 - Meteorograph : en ru
  • DK49181C - Elevator setting device. : da en
  • ES135040A1 - Continuous vertical distillation oven. : en es
  • CH171332A - Brassiere. : de en
  • GB415589A - Improvements in a device for generating currents and voltages of saw-tooth wave form : en
  • US1971439A - Printer's blanket : en
  • US1971994A - Building construction : en
  • USD93168S - Design foe a mask for typewriting : en
  • US1971478A - Blacking machine : en
  • US1971629A - Dry stencil carbon : en
  • GB415495A - Improvements in and relating to loudspeakers : en
  • CH171466A - Circulation pump with sealing, circulating auxiliary liquid. : de en
  • DE601962C - Process for the production of azo dyes : de en
  • FR43761E - Panel system for the construction of partitions : en fr
  • DE601917C - Drawer : de en
  • FR769539A - Process for manufacturing articles of rubber or similar material : en fr
  • FR769543A - : fr
  • GB415472A - Improvements in or relating to the manufacture of oxalic acid and esters thereof : en
  • GB415469A - Improvements in or relating to mercury arc rectifiers : en
  • GB415485A - Improvements relating to cast iron : en
  • FR769457A - Improvements made to devices for adjusting the position of rowers' toe clips : en fr
  • PL20337B1 - A method of milling hemp and the like to carry out this method. : en pl
  • DE602121C - Sieve centrifuge, especially for dewatering coal loaves : de en
  • FR769722A - Folding box : en fr
  • ES134409A1 - Procedure to improve the softness and flexibility of leather. : en es
  • FR769777A - Self-adjusting variable pitch propeller : en fr
  • SU38308A1 - Drani Machine : en ru
  • DE601931C - Starting device for internal combustion engines : de en
  • GB415800A - Improvements in mechanism for applying bands to cigars and like articles : en
  • FR769587A - Process for preparing interesting hydrocarbons, in particular with a low boiling point : en fr
  • DE601904C - Procedure for direction finding without declining with two antenna systems : de en
  • US1971546A - Apparatus for expressing juice from fruit : en
  • US1971781A - Lubrication system : en
  • US1971915A - Means preventing passage of gas through refractory walls : en
  • GB415588A - Improvements in or relating to manoeuvre signalling apparatus for use on road or like vehicles : en
  • CA344219A - Electric valve converting apparatus : en fr
  • CH171319A - Guide and transport device on shoe machines for attaching the frame to the upper and insole of footwear. : de en
  • FR769688A - Process for the preparation of pyridyl amine derivatives : en fr
  • CH171573A - Device for moving a propeller of fin-like design, movable about a rocking point, the center line of the propeller describing a self-contained conical surface during the time in which the propeller executes half a turn around its center line. : de en
  • CA344298A - Chemical pulp or cellulose : en fr
  • CH171536A - Installation on radio receivers with fading regulation that can be switched off. : de en
  • PL20206B1 - A method of treating textiles and preparations for carrying out this method. : en pl
  • SU38300A1 - Supor table with a circular saw for slaughtering the glazes of window covers : en ru
  • US1972025A - Loom harness stop motion : en
  • USD93189S - Design fob a cabinet for : en
  • SU38462A1 - Selfaktor : en ru
  • PL20383B1 - Foam maker. : en pl
  • US1971641A - Means for marking paper in process of manufacture : en
  • PL20350B1 - Method and device for cooling internal combustion engines, especially aircraft engines, propeller engines. : en pl
  • SU38192A1 - Post Mailer : en ru
  • US1971362A - Cotton gin : en
  • US1971432A - Spreader : en
  • US1972017A - Rock drilling mechanism : en
  • US1971821A - Wheel press : en
  • SU38146A1 - Acetaldehyde Continuous Oxidation Apparatus : en ru
  • SU38491A1 - Centrifugal bulk materials spreader : en ru
  • CA344169A - Child's shoe : en fr
  • CH171354A - Process for the production of carbon electrodes. : de en
  • FR769478A - Lock nut system : en fr
  • GB415744A - Improvements in or relating to television and like systems and apparatus : en
  • SU38327A1 - The method of electrolytic production of aluminum : en ru
  • US1971359A - Electric lamp socket : en
  • US1971785A - Rail lifter : en
  • PL20230B1 - Gantry post, especially for hanging overhead electric cables. : en pl
  • PL20382B1 - A method of producing a catalyst for the processing of terpenes. : en pl
  • SU38209A1 - Control method for discontinuous generation frequency : en ru
  • CH171513A - Method for regulating burners for liquid fuels and device on burners for liquid fuels for carrying out the method. : de en
  • DE602129C - Protective device on platforms : de en
  • SU38378A1 - Transmission device to the cutting unit in the cleaning machines : en ru
  • CH171424A - Device for displaying weak, short-term electrical impulses. : de en
  • CH171456A - Process for coating objects. : de en
  • PL20209B1 - A method of producing acid solutions, especially for preserving green fodder. : en pl
  • US1971354A - Process of recovering alumina from aluminous silicious materials : en
  • CA344236A - Tube sinking method : en fr
  • CA344220A - Electric valve converting apparatus : en fr
  • US1971554A - Gas burner : en
  • CA344277A - Cylindrical body securing means : en fr
  • DE1310361U - : de en
  • GB415617A - Improvements in or relating to vehicle lamps : en
  • US1971978A - Lid, cover, stopper, and like closure : en
  • US1972055A - Impregnated sheet products : en
  • SU38151A1 - Method for producing 6-methoxy-8-diethylaminopropylaminoquinoline methylene-byssalicylate salt : en ru
  • US1971494A - Carburetor : en
  • US1971567A - Flexible attachment for smoking pipes : en
  • US1971792A - Salt filter : en
  • CH171502A - Grids for electric discharge tubes. : de en
  • SU38153A1 - The method of extraction of antipyrine : en ru
  • US1972049A - Method for the erection of aerial transmission lines : en
  • SU38292A1 - Device for connecting stretched elements of timber structures : en ru
  • PL20248B1 - Devices for opening a self-closing shower valve. : en pl
  • PL20249B1 - A method of refining plant materials. : en pl
  • US1971327A - Dual pneumatic wheel : en
  • CA344184A - Rubber spring : en fr
  • CA344206A - Electric converting apparatus : en fr
  • CH171250A - Hollow body in agglomerate of sand and cement intended in particular for the construction of reinforced concrete floors. : en fr
  • CA344238A - Hydrocarbon pyrogenic conversion : en fr
  • CH171315A - Weaving process. : de en
  • CA344272A - Dipper : en fr
  • SU38471A1 - Flying model airplane : en ru
  • US1971831A - Electrical switch gear : en
  • US1972042A - Dump vehicle : en
  • PL20329B1 - Drive in inclined mills. : en pl
  • US1971988A - Vacuum tube : en
  • SU38108A1 - Device for cross cutting cotton and the like : en ru
  • US1971475A - Sole fitting machine : en
  • US1971834A - Coking heavy petroleum oil : en
  • PL20339B1 - A method of producing flexible tapes, threads, foil, knots and wires from polystyrene or similar artificial materials. : en pl
  • US1971382A - Multiple valve control : en
  • US1971712A - Lace curtain : en
  • US1972036A - 1-phenyl-2,3-dimethyl-4-alkyl-5-pyrazolones : en
  • US1971579A - Brake shoe : en
  • US1971947A - Automatic display cabinet : en
  • US1971952A - Device for handling stacks of cases by trucks : en
  • FR43789E - Improvements to taps : en fr
  • FR769839A - : fr
  • GB415587A - Improved device for the delivery of bottles of milk to house doors and the like : en
  • SU38075A1 - Piston type coal washer for treating anthracite and other coal : en ru
  • SU38357A1 - Device for pouring microsections : en ru
  • GB415584A - Improvements in thermoelectric devices : en
  • SU38232A1 - Mercury rectifier : en ru
  • FR769700A - Process for applying labels to bottles and the like, and machine for carrying out this process : en fr
  • DE602123C - Wire tip covering for plastic cushions : de en
  • CH171263A - Process for the production of clad structures from synthetic material. : de en
  • PL20381B3 - Hydraulic resistance for guns with a retracting barrel. : en pl
  • SU38072A1 - Clamping closure for glass containers : en ru
  • SU38189A1 - Head for the sleeves of the intercarriage connection of the main air duct : en ru
  • US1971776A - Liquid scale : en
  • CH171463A - Multi-stage gear transmission. : de en
  • ES135062A3 - A flask-machine for making cigarettes. : en es
  • CA344223A - Thermionic cathode : en fr
  • CH171268A - Heat protection plate. : de en
  • CH171491A - Fire chamber for high-performance alternating current switches. : de en
  • CH171555A - Display device for motor vehicles. : de en
  • DE601944C - Device for stabilizing target devices, guns or the like on ships : de en
  • CA344276A - Rectifier circuit : en fr
  • CH171487A - Bride for fastening electrical cables. : de en
  • SU38505A1 - The method of saccharification of plant materials : en ru
  • SU38571A1 - Transmission Location for Tracked Carts : en ru
  • USD93171S - Design for a casing for a grinding : en
  • CH171413A - Billiard table with rectilinear elastic bands. : en fr
  • PL20270B1 - Centrifugal pump suction line. : en pl
  • SU38092A1 - Drum for drawing machines : en ru
  • US1971697A - Method of cementing belts : en
  • US1972041A - Friction vehicle draft and buffing gear : en
  • AU1683334A - Improvements relating to depth maintenace runners as applied to rotary tilling machines : en
  • AU1365733A - Improvements in pipe couplings : en
  • AU1697834A - Improvements in rotary andother slide valves : en
  • FR769482A - Electromagnetic valve, without cable gland, for all low pressure fluids : en fr
  • GB415650A - Apparatus for the manufacture of textile fabrics : en
  • AU1387333A - Valve or switch control with interlocked fluid control valve : en
  • SU38077A1 - The method of processing nitrate ores in order to enrich them : en ru
  • US1971788A - Headband : en
  • FR769546A - Shoe closure : en fr
  • PL20240B1 - Tether balloons. : en pl
  • PL20297B1 - Stawidla for a reversible piston steam engine. : en pl
  • SU38382A1 - Livestock mobility : en ru
  • US1971427A - Stop motion for warp knitting machines : en
  • US1971954A - Foot measuring and recording machine : en
  • US1971391A - Display device : en
  • SU38450A1 - Grease gun : en ru
  • US1971985A - Razor : en
  • US1971463A - Synchronous motor in particular for talking machines : en
  • DE601901C - Oil-fired, ring-shaped annealing and hardening furnace with rotatable bottom part : de en
  • FR769488A - Device for the treatment of fluids : en fr
  • FR769566A - Method of decorating, especially rubber balls or the like : en fr
  • GB415544A - Improvements in or relating to tins, canisters and like metal containers : en
  • CH171282A - Dowels. : de en
  • CA344193A - Vacuum machine : en fr
  • FR769697A - : fr
  • CH171358A - Process for the manufacture of ethyl alcohol. : en fr
  • CH171407A - Anti-slip strips of skin or the like for skis. : de en
  • PL20336B1 - Toilet tank cover. : en pl
  • SU38365A1 - Paper money counting device : en ru
  • SU38428A1 - Device for suspending upper-air aerostat instruments : en ru
  • CH171400A - Tricolor camera. : de en
  • CA344213A - Electric valve converting apparatus : en fr
  • PL20322B1 - Crucible, electrically heated. : en pl
  • FR43799E - New mount for pike fishing : en fr
  • FR769481A - System and device for the preparation of dies for casting of block letters : en fr
  • FR769765A - electrode usable in the electrophoresis treatment of aqueous dispersions and method of manufacturing this electrode : en fr
  • US1971779A - Gas purification process and recovery of by-products therefrom : en
  • US1971910A - Solid flavoring composition : en
  • CH171409A - Strapless ski binding. : de en
  • FR769659A - Electric lamp holder : en fr
  • FR769607A - Revolving body with rotating pistons : en fr
  • CH171416A - Cylinder lock on repeating rifles. : de en
  • FR769606A - Improvements made to transparent parts separating environments in which different temperatures reign, respectively, in particular to those contained in gas masks : en fr
  • FR769660A - Grid for combustion engine intake piping : en fr
  • ES135130A1 - Device for ignition in heavy oil combustion engines. : en es
  • BE404139A - portable rectifier : en fr
  • CH171429A - Device for mounting a clockwork movement in its box. : en fr
  • DK49174C - Device for Motor and Dynamo systems for Motorcycles or similar. : da en
  • SU38380A1 - Leaf Breaker : en ru
  • US1971889A - Work feed assembly : en
  • FR769773A - : fr
  • GB415648A - Process for the production of bread and like baked dough products : en
  • US1971429A - Refrigerator : en
  • FR43764E - Buzzer : en fr
  • FR43765E - Improvements to automatic and semi-automatic telephone systems : en fr
  • GB415542A - Improvements in or relating to beryllium or alloys thereof and a process of fusing the same : en
  • DE601914C - Plaster cast cutting machine : de en
  • US1971670A - Closure : en
  • FR43767E - Automatic adjustment device for the air supply on automatic hotplates : en fr
  • GB415548A - Improvements connected with folding hoods for motor and other vehicles : en
  • DE602073C - Sales container : de en
  • FR769634A - Product to polish or maintain the luster of all surfaces and its manufacturing process : en fr
  • GB415678A - Improvements in respiratory apparatus for submarine life-saving : en
  • FR769780A - Device for opening tin containers, for example cans : en fr
  • FR769724A - Improvements to water closets : en fr
  • FR769734A - Toothbrush with reservoir : en fr
  • DE601948C - Process for the production of briquettes of uniform thickness in extrusion presses : de en
  • FR769683A - Pre-heated liquid fuel burner upgrade : en fr
  • GB415501A - Improvements in or relating to holders for spools or cheeses of twine or the like : en
  • GB415746A - Improvements relating to the insulating bases of circuit-breakers, switches, and thelike, and to terminals and other attachments for such bases : en
  • US1971840A - Electric power translating system : en
  • DE602139C - Movable hunting umbrella : de en
  • SU38524A1 - A device for the separation of gas mixtures, acting on the principle of centrifugal force : en ru
  • US1971366A - Adjustable automobile brake cable connecter : en
  • US1971503A - Ironing board : en
  • ES135086A1 - Improvements introduced in the devices destined to obtain artificial silk. : en es
  • GB415572A - Improvements in hydraulic power transmission mechanism : en
  • FR43753E - Plastic material and manufacturing processes of this rubber : en fr
  • FR769709A - Process for the production of new basic nitrogen compounds and quaternary ammonium compounds derived therefrom : en fr
  • GB415449A - Improvements in or relating to method of and means for lining or walling hollow spaces in the earth, such as workings, shafts, tunnels, more particularly in connection with mining : en
  • GB415624A - Improvements in milling machines for twist drills : en
  • GB415480A - Improvements in or relating to sewing machines : en
  • GB415616A - Improvements in or relating to devices for emitting and receiving ultra-short waves : en
  • FR769506A - Hydraulic piston mechanism for controlling reciprocating carriages in machine tools and similar machines : en fr
  • GB415606A - Improvements relating to knives : en
  • GB415593A - Improvements in and relating to submarine barriers : en
  • FR43766E - Hooded machine gun turret : en fr
  • GB415540A - Improvements relating to spoon rests for preserve dishes : en
  • DE601466C - Device for promoting elongated, non-rollable goods such. B. Track rails : de en
  • FR43792E - Process for the automatic control of a temperature or other variable and electrical installation allowing the implementation : en fr
  • DE602092C - Fridge with liquid container : de en
  • ES135111A1 - A new photogravimetric procedure for the preparation of accurate topographic maps by planimetric restitution, of special advantageous application for the survey of cadastral plans and all those cases in which rigorous precision is not required : en es
  • SU38127A1 - The method of producing catalyst from aluminum : en ru
  • SU38323A1 - A method of manufacturing pressing powders : en ru
  • SU38502A1 - Pneumatic hammer : en ru
  • US1971604A - Wheel : en
  • CA344294A - Coin control mechanism : en fr
  • DE602001C - Method and device for cooling blast furnaces : de en
  • DE602003C - Device for automatic and continuous signaling of the position and the distance between trains traveling on the same route : de en
  • SU38228A1 - Device for regulating the voltage in AC electrical networks : en ru
  • CA344216A - Electric valve converting apparatus : en fr
  • PL20204B1 - Electric firing apparatus for firing high-fusing porcelain dental ceramics, especially "Jacket" crowns. : en pl
  • SU38257A1 - Pimples machine for bast : en ru
  • SU38552A1 - Method for increasing corrosion resistance of binary magnesium alloys with 0.5-2.5% manganese : en ru
  • US1971992A - schafer : en
  • SU38556A1 - Filler material in the form of briquettes for hot welding of cast iron : en ru
  • US1971433A - Method for coating cylindrical members with a hard material : en
  • US1971466A - Machine control : en
  • US1971888A - Catalytic process for manufacturing phthalic anhydride : en
  • PL20332B1 - A pipe with a refractory insert and a smoke quenching device. : en pl
  • US1971562A - Dynamic balancing of rotating bodies : en
  • US1971946A - Journal box construction : en
  • SU38496A1 - Shower shower : en ru
  • US1971559A - Liquid meter : en
  • FR769657A - Improvements to metal cables : en fr
  • PL20327B1 - Drive of gear rolls in mills. : en pl
  • PL20384B1 - A device for fixing the drums of the hoisting machine. : en pl
  • US1971347A - Signaling system : en
  • US1971907A - Gaseous discharge device : en
  • DE602065C - Machine for the mechanical examination of webs and yarns : de en
  • SU38577A1 - Device for receiving on ships or jetties and descent from them of floating bodies, especially airplanes : en ru
  • US1972008A - Hose nozzle : en
  • US1971615A - Structural metal shape : en
  • US1972067A - Coated welding electrode : en
  • CH171387A - Cardboard or Paper machine. : de en
  • CH171414A - Materials for studying the game and solving bridge problems. : en fr
  • CH171421A - Device on steel measuring tape holders for cleaning the tape. : de en
  • CH171475A - Glow wire plug. : de en
  • CH171549A - Preservation container for food etc. : de en
  • PL20304B1 - Retort for the low temperature distillation of carbon-containing materials. : en pl
  • US1971637A - Airplane construction : en
  • CH171351A - Method and device for preserving eggs. : de en
  • CH171460A - Poetry. : de en
  • DE601930C - Flywheel light starter : de en
  • DE601973C - Machine for attaching trailers to laundry items : de en
  • FR769750A - : fr
  • CH171376A - Method of making petroleum jelly. : de en
  • CH171438A - Method and tool for joining workpieces by means of spot welding. : de en
  • CH171340A - Process for the production of sliders for zip fasteners. : de en
  • SU38140A1 - The method of weight determination : en ru
  • PL20196B1 - Shaft conveyor motor with adjustable stroke length. : en pl
  • PL20252B1 - Claws for skis : en pl
  • SU38113A1 - Round brush : en ru
  • US1971344A - Heel attaching machine : en
  • US1971651A - Hydraulic hoist control : en
  • US1971772A - Rock drill lubricator : en
  • ES135138A1 - Improvements in the construction of trunks. : en es
  • FR769664A - Riveting process for assembling hollow beams : en fr
  • GB415493A - Improvements in or relating to machines for use in weaving flat and/or tubular articles : en
  • SU38384A1 - Device for breeding silkworms : en ru
  • SU38414A1 - Method of preserving sa, fish and game : en ru
  • PL20300B1 - The method of obtaining quinoline derivatives. : en pl
  • US1971997A - Composition for and method of producing air-foam for fire extinguishing purposes : en
  • SU38090A1 - A device for separating wine-alcohol products from sludge : en ru
  • US1971744A - Portable rack : en
  • USD93164S - Design fok a rod hand-line block for : en
  • SU38175A1 - Hydraulic clutch : en ru
  • SU38249A1 - The way of tanning : en ru
  • SU38417A1 - A device for light design in daylight or artificial light : en ru
  • PL20222B1 - Gluing method. : en pl
  • SU38558A1 - Internal combustion engine : en ru
  • US1971882A - Gas supply control system : en
  • DE601908C - Test clamp with two metal parts designed as line connectors, which can be connected to one another by a lockable separator : de en
  • PL20315B1 - A method for the production of organic sulfur compounds containing halogen, : en pl
  • SU38070A1 - The method of preparation of briquettes, building boards and similar products from vegetable fibers and wood : en ru
  • SU38440A1 - Lock for connecting the ends of the flexible tires of pneumatic tires : en ru
  • SU38572A1 - Cog gear to tracked carts : en ru
  • US1971893A - Windshield wiper : en
  • BE404447A - Production process of anti-halo layers and filter layers : en fr
  • CA344224A - Magnetic material processing : en fr
  • SU38278A1 - Pull the type of boat Fourco with liner : en ru
  • PL20301B1 - Method for producing explosives. : en pl
  • SU38350A1 - Engine Indicator : en ru
  • SU38405A1 - Pickup : en ru
  • PL20194B1 - A multi-section device to protect liquids from dust. : en pl
  • SU38107A1 - Adaptation to tape-cutting machines : en ru
  • US1971605A - Signaling system : en
  • SU38493A1 - Free anchoring for hours : en ru
  • US1971676A - Shackle shock absorber for automobiles : en
  • US1971844A - Swimming device : en
  • CH171472A - Process for supplying an internal combustion engine and device for carrying out this process. : en fr
  • SU38230A1 - Device to protect flasks of gas-powered electric lamps from sputtered electrode material : en ru
  • CH171493A - Installation time switch with pneumatic relay. : de en
  • PL20378B1 - Diaphragm speaker. : en pl
  • US1971338A - Flow control system : en
  • US1971528A - Bottle collar or tag : en
  • PL20373B1 - Connection system for a payphone. : en pl
  • SU38346A1 - Method and device for determining the stripedness of glass : en ru
  • US1971339A - Freight handling apparatus : en
  • DE601913C - Hechel machine with belt conveyor and Hechel method for processing bast fiber material : de en
  • CH171539A - Circuit arrangement for receiving high-frequency oscillations with automatic gain control. : de en
  • FR769769A - Differential expansion valve : en fr
  • GB415639A - Apparatus for de-greasing and cleaning articles of metal by means of a volatile solvent : en
  • US1971447A - Vacuum tube : en
  • US1971449A - Gas burner : en
  • PL20379B1 - The vehicle brake displacement device and the engine throttle are operated by a common pedal. : en pl
  • US1971534A - Pitot-static tube : en
  • PL20207B1 - Method for the production of bleaching powder. : en pl
  • SU38379A1 - A device for burning grain sprouts, such as rice : en ru
  • SU38448A1 - Lifting device for greenhouse ventilation roofs : en ru
  • SU38575A1 - Carriage : en ru
  • USD93177S - Design for a glass tumbler or : en
  • SU38304A1 - Circular Saw Shredder : en ru
  • US1971380A - Clutch : en
  • PL20291B1 - The method of making plywood. : en pl
  • SU38289A1 - A method of maintaining a constant temperature for heating liquids, such as oil : en ru
  • US1971488A - Hydrocarbon fuel burning system and apparatus : en
  • CH171488A - Cable branch clamp. : de en
  • CH171504A - Arrangement for amplifying weak electrical pulses by means of a grid-controlled gas or vapor discharge tube, in particular for the purpose of counting the pulses. : de en
  • US1971576A - Bottle collaring machine : en
  • US1971618A - Friction facing : en
  • CH171446A - Pressure device on surface planing machines. : de en
  • DE602118C - Hydraulic fluid brake for motor vehicles : de en
  • DE601903C - Cam switches, especially for control of locomotive transformers : de en
  • US1971467A - Milking machine teat cup : en
  • FR769792A - Coil arrangement : en fr
  • GB415517A - Improvements in or relating to water tube boilers : en
  • GB415742A - Improved manufacture of dyestuff pastes : en
  • CA344187A - Air screw auto sled : en fr
  • SU38584A1 - Method for removing salts from sugar syrup : en ru
  • US1971896A - Sheet handling mechanism for printing presses : en
  • GB415448A - Improvements in electric starting devices for internal combustion engines : en
  • GB415607A - File for phonograph records : en
  • PL20200B1 - : en pl
  • PL20287B1 - Sports shoes. : en pl
  • USD93158S - Design foe a shoe : en
  • DE602079C - Cigar wrapping device with gripper arranged on the winding roll carrier for gripping and pulling off the binder placed on a special table : de en
  • US1971650A - Drilling and injecting apparatus : en
  • US1971876A - Razor blade sharpener : en
  • GB415557A - Tea infuser : en
  • CH171505A - Gas-filled, grid-controlled discharge tube with indirectly heated cathode. : de en
  • US1971412A - Bearing : en
  • US1971435A - Film holding attachment for cameras : en
  • US1971532A - Temperature regulating means : en
  • US1971897A - Signature delivery mechanism for printing presses : en
  • SU38237A1 - The method of preparation of red-brown varnish : en ru
  • ES134785A3 - Mating hook construction procedure for watch bracelets and the like. : en es
  • ES2830U - Tympanic sound box. (Machine-translation by Google Translate, not legally binding) : en es
  • FR769647A - Process for the production of metallic arsenates and resulting product : en fr
  • SU38564A1 - Flexible shaft : en ru
  • US1971350A - Mechanical movement : en
  • PL20317B1 - Automatic coupling for vehicles on rails. : en pl
  • SU38100A1 - Fabric washer : en ru
  • US1971862A - Coal mining apparatus : en
  • SU38369A1 - Seed for onion sets : en ru
  • CH171280A - Process for the manufacture of cleaning agents. : de en
  • CH171519A - Process for obtaining ultraviolet radiation and light radiation of selected composition, and device for its implementation. : en fr
  • FR769693A - Improvements made to the mounting of burners on gas appliances : en fr
  • FR769525A - Manufacturing process, using acetylcellulose solutions, of films having high mechanical properties : en fr
  • FR769686A - : fr
  • FR43754E - Plastic material and manufacturing process of this eraser : en fr
  • FR769699A - Automatic pressure reducing valve for liquid pipelines : en fr
  • FR769460A - Improvements to reinforced concrete piles : en fr
  • FR769554A - Sewer generator : en fr
  • GB415634A - Improvements in or relating to method and apparatus for the manufacture of hollow glassware : en
  • DE602033C - Magnetic separator for separating magnetic parts from slurries : de en
  • US1971735A - Toy : en
  • SU38210A1 - Meidinger type galvanic cell : en ru
  • DE601894C - Device for sprinkling, especially for laundry o. : de en
  • FR43787E - New product applicable in particular to the manufacture of packaging for liquid foodstuffs and its manufacturing process : en fr
  • FR769679A - Switch-circuit breaker : en fr
  • SU38526A1 - Installation for gases activated by gases containing carbon : en ru
  • AU1387433A - Variable coupling inductance for radio receivers : en
  • GB415550A - An improved device for facilitating the removal of cigarettes or other articles from cases or cartons : en
  • DE602006C - Electric oscillating armature motor : de en
  • US1971596A - Lock : en
  • US1972007A - Receptacle and method of forming and stacking the same : en
  • DE602076C - Driving axle bearing : de en
  • DE601929C - Spark plug : de en
  • DE602089C - Process for the preparation of neutral water-soluble complex salts of mercaptopyrimidines : de en
  • GB415532A - Improvements in or relating to vacuum cleaning machines : en
  • GB415601A - Improvements in sealing wax substitutes : en
  • CA344243A - Battery charging system : en fr
  • BE404474A - Method and device for increasing the thermal efficiency during the combustion of solid fuels of any kind. : en fr
  • CH171560A - Elastic and noise-dampening isolation device between the frame and wheel of rail vehicles. : de en
  • GB415547A - Improvements in and relating to systems of electric motor control : en
  • GB415751A - Improvements in electrical condensers : en
  • US1971727A - Pressure and sealing device for containers : en
  • US1971379A - Method of and apparatus for mixing oils : en
  • DE601950C - Coke oven with ducts arranged in the heating walls for rapid extraction of the distillation gases : de en
  • US1971793A - Electrical apparatus : en
  • PL20245B1 - A method of producing anti-moth preparations. : en pl
  • US1971341A - Light and signal control for vehicles : en
  • PL20232B1 - Electric discharge lamp. : en pl
  • US1971545A - Toy building block : en
  • US1972062A - Machine for making sanitary napkins : en
  • CH171531A - Device for quickly obtaining automatic telephony communications. : en fr
  • PL20294B1 - Combustion turbine set. : en pl
  • SU38407A1 - Machine for bending ring-shaped blanks for knives into a helical shape : en ru
  • US1971578A - Hose coupling : en
  • US1971935A - Combination lock : en
  • CH171430A - Portable timepiece. : en fr
  • CA344185A - Anti-drip bottle : en fr
  • DE602082C - Blower shut-off device for water gas generators : de en
  • GB415494A - Improvements in leather belts or aprons for combing and like machines used in the preparation of fibres for spinning : en
  • SU38303A1 - A device for determining the cutoff value of the passive teeth of the American transverse saw in relation to the line of the tops of its active teeth : en ru
  • SU38451A1 - Gun Shots Number Counter with Swinging Spring Body : en ru
  • US1971751A - Leveling rod : en
  • USD93170S - Design for a garter : en
  • DE602035C - Impeller blading for steam or gas turbines : de en
  • CH171352A - Process for increasing the capillary activity, in particular the wetting, washing, cleaning, emulsifying and dispersing power of liquids. : de en
  • PL20314B1 - The method of producing the basic aluminum salt of acetylsalicylic acid. : en pl
  • SU38416A1 - Cardboard making machine, etc. : en ru
  • DE602085C - Process for regulating the oven cycle in shaft ovens : de en
  • FR43782E - Improvements to devices for suspending and moving curtains or doors : en fr
  • CH171512A - Dry bell gas container with a helical guide. : de en
  • CH171269A - Siphoid box. : en fr
  • US1971927A - Railway tie plate : en
  • FR769563A - Device for the production of folding boxes : en fr
  • DE601876C - display case : de en
  • DE602032C - Foldable table tennis table : de en
  • PL20308B1 - A device for reproducing any patterns on knitting machines. : en pl
  • SU38399A1 - Tip for syringe filling : en ru
  • DE602144C - Control lever return for electrical conveyors : de en
  • PL20325B1 - Drive in inclined mills. : en pl
  • SU38439A1 - The machine for putting on the bracelet tires on the working chamber : en ru
  • US1971795A - Mining machine : en
  • US1972052A - Process of and apparatus for generating steam : en
  • US1971510A - Damping error preventing means : en
  • DE602027C - Process for setting and automatic control of the exposure in photographic copiers : de en
  • DE602154C - Temperature controller : de en
  • US1971887A - Electric radiation device : en
  • CA344282A - Deconcentrator : en fr
  • FR769536A - : fr
  • GB415484A - Improvements in and relating to electrostatic machines : en
  • US1971352A - Apparatus for making glassware : en
  • BE404364R - Method and device for lining the reel-holder rack of winders : en fr
  • FR769649A - Pneumatic forceps device : en fr
  • FR43772E - Improvements to devices for the remote transmission of indications from measuring devices : en fr
  • GB415656A - Improved processes for preserving roasted or roasted and ground coffee : en
  • SU38282A1 - Method of marbled coloring of glass hollow beads : en ru
  • US1971384A - Method of making refrigerator doors : en
  • USRE19297E - Apparatus fok attaching heels to : en
  • CH171302A - Container fitted with a filling, emptying and checking device. : en fr
  • SU38260A1 - Device for comparative auscultation : en ru
  • US1971349A - Cotton harvesting machine : en
  • US1971563A - Process for manufacture of ammonium phosphates and other salts : en
  • DE602016C - Measuring and dispensing pump, especially for oil and syrupy liquids, with a vertically arranged cylinder : de en
  • ES135093A1 - Improvements introduced in rotary motors pumps and analogues : en es
  • GB415507A - Improvements in rear axle gear casings for motor vehicles : en
  • FR769732A - Drainage installation for mines : en fr
  • FR769521A - Reflector for lens projector : en fr
  • FR769666A - Adjustment device, e.g. for frequency adjustment : en fr
  • GB415640A - Improvements in or relating to hydraulic shock-absorbers : en
  • CH171264A - Building board. : de en
  • CH171535A - Receiving device for modulated vibrations. : de en
  • USD93176S - Design for a corsage pin : en
  • FR769571A - Lighting installation for antennas : en fr
  • SU38485A1 - Device for cleaning plates plate conveyor : en ru
  • US1971410A - Apparatus for projecting multicolor pictures on lenticular films : en
  • PL20237B1 - Impact fuse. : en pl
  • SU38171A1 - Rail bending device : en ru
  • SU38359A1 - A device for controlling the management of technological processes : en ru
  • SU38387A1 - Mobile Feed Distributor with Mulberry Worm : en ru
  • US1971686A - Telegraph signal transmitting circuits : en
  • USD93162S - Design fob a shoe : en
  • ES135119A1 - A method of applying a new fiber mixture to the spinning. : en es
  • FR769705A - Method and device for the manufacture and control of vouchers, coupons, lottery tickets and the like : en fr
  • US1971791A - Freezer : en
  • US1971960A - Combined crossbar equalizing and shock absorbing means for vehicles : en
  • DE601993C - Wave pants for ships : de en
  • FR769727A - Powder material for the road industry : en fr
  • FR769739A - Device for taking pictures and projecting images to be reproduced in color, using lenticular grating films : en fr
  • GB415462A - Improvements in valve bags : en
  • FR769600A - Improvement in liquid fuel stoves : en fr
  • US1971454A - Motion picture apparatus : en
  • US1971543A - Dishwashing machine : en
  • US1971681A - Attachment for writing instruments : en
  • DE602098C - Menstrual tampon : de en
  • DE602134C - Process for the production of copper oxide ammonia cellulose solutions to be processed on artificial structures, in particular films and threads : de en
  • FR769501A - Cover for bicycle or motorcycle saddle : en fr
  • GB415446A - Method of and means for stabilising the flow of gas in pipes connected to reciprocating piston machines : en
  • DE601998C - Device for printing on workpieces made of porcelain : de en
  • SU38479A1 - A method of manufacturing electrical resistances of metallized ceramic material : en ru
  • FR769656A - Sewage sludge digesters mixing device : en fr
  • FR769744A - contact element for lamp bases, more especially for lamp bases of t. s. f. : en fr
  • GB415699A - Improvements in hydraulic power transmission systems such as hydraulic brake systems : en
  • DE602069C - Savings box : de en
  • US1971541A - Means for controlling the supporting strength of resilient vehicle supporting means : en
  • DE601898C - Device for automatic pre-pinching of a sheet of paper or other material to be folded in a zigzag manner : de en
  • FR769549A - Simplified rotating drum bucket for hygienic household waste disposal : en fr
  • FR769742A - : fr
  • ES135044A1 - New procedure for the manufacture of acetylsalicylic acid. : en es
  • FR769480A - Device for rear visibility for motor cars with rear engine : en fr
  • GB415594A - Method of protecting lumber exposed to the atmosphere from damage due to storage : en
  • SU38393A1 - Internal combustion engine : en ru
  • CH171270A - Hinge. : de en
  • CH171590A - Process for producing a water-soluble diazoamido compound. : de en
  • US1971863A - Folding container for bottles : en
  • FR769612A - Concentrated broth enhancements : en fr
  • US1971761A - Protection of metals : en
  • DE602106C - Oscillating piston pump driven by compressed air : de en
  • US1971550A - Internal combustion engine : en
  • US1971857A - Draft-eliminating device for motor : en
  • FR769556A - Manufacture of decarburized cast irons : en fr
  • US1971469A - Sleeping bag : en
  • US1971921A - Controller for electric motors : en
  • FR43768E - Vibrator : en fr
  • US1971722A - Animated motion picture : en
  • ES133884A1 - A method of preparing dye masses for polychrome reproduction. : en es
  • US1971692A - Method and apparatus for forming concrete piles : en
  • US1971782A - Roller bearing : en
  • US1971892A - Machine for making filing-folders : en
  • GB415739A - Metal-faced covering for roofs, walls and other surfaces : en
  • DE602070C - Discharge device for grain or the like. : de en
  • DE602024C - Protective cover for playing fingers for playing string instruments : de en
  • FR769510A - Process for using the heat of roasting gases which are formed during roasting of iron pyrite at high temperature : en fr
  • FR769621A - Advanced knife : en fr
  • ES134836A1 - A new crankshaft replacement system. : en es
  • USRE19288E - Method of treating fibrous : en
  • CH171523A - Device for treating sick parts of the body with ozone gas. : de en
  • CH171588A - Process for producing a water-soluble diazoamido compound. : de en
  • DE601975C - Process for the production of a beverage can, in particular a coffee can : de en
  • GB415565A - A process for rendering soil and rock formations compact and impermeable to water : en
  • DE601928C - Breaker for internal combustion engines : de en
  • ES135107A1 - A double action electric pin. : en es
  • FR769465A - Screw clamp for horseshoes, made of a metallic material and a non-metallic material : en fr
  • ES135136A1 - PARFA APPARATUS EMBARKING AND UNEMBARKING CARS : en es
  • FR769524A - Electro-medical thermometer : en fr
  • GB415690A - Musical radio-electric cushion : en
  • DE602095C - Process for the preparation of indigoid dyes : de en
  • FR769599A - Improvements to decorative light railings : en fr
  • FR43786E - Method and apparatus for obtaining relief and changing appearance photographs : en fr
  • GB415668A - Improvements in and relating to transformer connections for electric discharge devices with parallel-operating anodes : en
  • CH171575A - Bucket for holding ash, rubble, garbage and the like. : de en
  • DE601890C - Floor and wall covering compound made of plaster of paris : de en
  • DE601952C - Pipe roller with a bucket device attached to the roller cage for the pipe end : de en
  • US1971965A - Shoe : en
  • FR43762E - Electrical method and device for purifying fluids, in particular air : en fr
  • FR769757A - Self-induction coils : en fr
  • GB415556A - Improvements in electric-arc welding : en
  • IE13109L - Washing machine : en
  • US1971660A - Thermophoric composition : en
  • CA344200A - Biscuit feeding apparatus : en fr
  • CA344217A - Electric valve converting apparatus : en fr
  • SU38517A1 - Diverting chute for the cooling channel in rolling herds : en ru
  • US1971480A - Means and method of straightening well bores : en
  • DE602031C - Light signal device : de en
  • US1972003A - Water tube boiler : en
  • DE602091C - Process for ozonizing room air that is dried : de en
  • GB415644A - Improved method of consolidating and waterproofing strata or masonry : en
  • GB415710A - Improvements in or relating to x-ray tubes : en
  • FR769678A - Improvements to processes for activating electron emitters : en fr
  • ES2827U - Metallic button for shirts and other suitable uses. (Machine-translation by Google Translate, not legally binding) : en es
  • DE601945C - Firing pin safety for self-loading weapons with weight lock : de en
  • FR769759A - Flail with sliders for romans, scales and the like of all kinds : en fr
  • US1971845A - Surgical instrument : en
  • FR769573A - Improvements in the manufacture of spark plugs for internal combustion or combustion engines : en fr
  • FR769640A - Advanced training in lifting jacks : en fr
  • GB415488A - Refrigeration process and apparatus : en
  • DE602077C - Spring-loaded bicycle handlebar : de en
  • FR769545A - Improvements to clamp support tensioners for electrical conductors : en fr
  • FR769504A - Reaction set-up for radio receivers using lamps with several grids : en fr
  • FR769527A - Signaling installation for railway level crossings : en fr
  • FR769548A - Automatic feeder for steam boilers : en fr
  • DE601916C - Fixing device for cabinets consisting of individual departments : de en
  • CH171287A - Accessory for drinking vessels. : de en
  • CH171437A - Covered welding rod. : de en
  • US1972056A - Adjustable lighting fixture : en
  • ES135137A3 - A procedure for embossing imitation leather product sheets. : en es
  • SU38276A1 - Method and method of drawing glass from molten glass : en ru
  • FR769453A - Gas compression and compressors improvements : en fr
  • DE602030C - Tracking gear, especially for stabilizing equipment on board ships : de en
  • FR769552A - Terminal device for telecommunication cable, in particular junction box for overhead-underground networks : en fr
  • FR769671A - Mobile and adjustable bench school table : en fr
  • DE602125C - Process for the production of nuclear halogenated isatin ª ‡ halides : de en
  • GB415615A - Improvements in and relating to the cylinder ports and passages of two-stroke cycle motors having carburettors or other vaporisers and crank-chamber scavenging pumps : en
  • CA344160A - Egg packing device : en fr
  • DE602011C - Electric discharge tubes, in particular for emitting light beams, which contain a metal that is difficult to vaporize : de en
  • FR769595A - Improvements in parachute equipment : en fr
  • DE602075C - Device for turning, rolling up and plucking twisted, long-fiber material, especially for upholstery filling : de en
  • PL20281B1 - A method of making electrodes for electric arc welding, made of flimi and aluminum alloys and provided with a coating containing salts. : en pl
  • US1971515A - Attachment for loom let-off mechanisms : en
  • CH171447A - Method and device for producing a web in the form of a film, a sheet, plate and the like from a material that is hard, hardening or hardenable per se. : de en
  • CH171543A - Device for the transmission of control currents, in particular for the remote transmission of measured values using a pulse method. : de en
  • US1971363A - Work-clamp for buttonhole sewing machines : en
  • US1971580A - Doorlock : en
  • SU38088A1 - Subsoil station : en ru
  • SU38458A1 - Fibrous Waste Treatment Machine : en ru
  • DE602084C - Multi-row ball bearing : de en
  • FR769605A - Rocket for projectiles : en fr
  • CH171378A - Process for the manufacture of articles which consist at least in part of a carbamide-aldehyde condensation product. : de en
  • CH171432A - Process for deoxidizing metals and alloys. : de en
  • CH171284A - Base for flower pots to be placed on furniture. : de en
  • CH171391A - Accounting block. : en fr
  • GB415531A - Improvements in or relating to epicyclic gearing : en
  • PL20238B1 - Submarine. : en pl
  • USD93179S - Design fob a jar : en
  • CH171403A - Method for the direct reproduction of documents such as deeds of notaries, contracts, etc., and device for implementing this method. : en fr
  • CA344247A - Cellulose material bleaching method : en fr
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  • US1971474A - Apparatus for drying or mixing stone or the like : en
  • US1971923A - Picture frame structure : en
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  • SU38144A1 - The method of separation and purification of acids produced in the oxidation of hydrocarbon oils by air oxygen : en ru
  • SU38366A1 - Propashnik with controlled drawbar : en ru
  • US1971690A - Method of distiling tar and apparatus therefor : en
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  • CH171537A - Device for controlling the quality of sound reproduction in receiving systems for sound-modulated carrier waves. : de en
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  • US1971970A - Automatic control for electrical appliances : en
  • PL20191B1 - Telephone device. : en pl
  • CH171390A - File binding machine. : de en
  • US1971345A - Syringe : en
  • US1971326A - Broiler : en
  • US1971455A - Changeable exhibitor : en
  • US1971582A - Tire grooving machine : en
  • CA344179A - Sound reproducer : en fr
  • SU38376A1 - Combined machine for cleaning and threshing sunflower : en ru
  • SU38412A1 - Fitting to sewing machines for hair dressing when sewing fur : en ru
  • PL20255B1 - A method of cleaning and refining metals in a liquid state. : en pl
  • US1971599A - Illuminating device : en
  • US1971634A - Of producing an oxidized : en
  • CH171571A - Device for drawing current from the two-pole overhead contact line of electrically operated trackless vehicles. : de en
  • US1971803A - Control of electric motors : en
  • FR769476A - Method and device for the manufacture of double-walled glass containers : en fr
  • FR769578A - Seed drill : en fr
  • GB415514A - Improvements to power driven machines for the production of roofing tiles. floor tiles, paving slabs, bricks, blocks and the like : en
  • SU38066A1 - Method and device for microscopic analysis of rocks : en ru
  • SU38570A1 - Biaxial support cart for carts : en ru
  • US1971885A - Camshaft driving mechanism for internal-combustion engines : en
  • US1971963A - Pin ticketing machine : en
  • DE601941C - Repeating rifle intended as a weapon of war : de en
  • FR769776A - Improvements in lifting, earthmoving, excavating and similar apparatus : en fr
  • US1971376A - Apparatus for coating centrifugal pipe molds : en
  • SU38243A1 - Automatic in the machine : en ru
  • SU38342A1 - Instrument for colorimetry and nephelometric testing : en ru
  • GB415728A - Production of masses consisting of or containing cellulose esters and/or ethers : en
  • PL20224B1 - The way to work up solutions, especially salt solutions, with the body, exchanging bases. : en pl
  • SU38316A1 - The method of obtaining gloss on celluloid products : en ru
  • US1971517A - Roof construction : en
  • US1972038A - Musical instrument player : en
  • US1971879A - Ice cube tray : en
  • SU38322A1 - The method of preparation of plastics from lignin : en ru
  • US1971511A - Differential hoist : en
  • DK49188C - Automobile by which the Engine Unit is located in the Rear Part of the Chassis. : da en
  • FR769768A - Adjustable fin fan : en fr
  • GB415509A - Apparatus for separating granular material : en
  • DE602002C - Train protection device : de en
  • ES135073A1 - PROCEDURE FOR THE ABSORPTION OF NITROGEN OXIDES FROM THE GASES THAT CONTAIN IT AND FOR THE MANUFACTURE OF AMMONIA SALTS, IF YOU WANT TO DO SO : en es
  • FR769555A - Improvements in methods of controlling electrical circuits by photo-sensitive devices : en fr
  • GB415686A - Improvements in or relating to the treatment of textile materials : en
  • GB415591A - An improved tennis net set : en
  • US1971497A - Ignition interference suppression : en
  • US1972037A - Single pedal starter and accelerator control : en
  • FR769645A - Improvements to contact rectifiers : en fr
  • GB415731A - Improvements in and relating to sound reproducing apparatus : en
  • DE602005C - Remote switch, the switching arm of which is turned over by an electromagnetically controlled switch tongue : de en
  • GB415478A - Improvements in or relating to agricultural digging machines : en
  • US1971367A - Beetle trap : en
  • FR769517A - Anti-slip device for motor vehicle wheels : en fr