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  • USD98635S - Design fob a buffet : en
  • AU2019234A - Improvements in or relating to thermionic valves : en
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  • US2030864A - Inside micrometer centering device : en
  • US2031180A - Making water soluble barium balts and hydrogen peroxide : en
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  • US2030874A - Mounting for panels : en
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  • US2031449A - Automatic gramophone : en
  • US2031215A - Process for utilizing the heat in the oxidation of ammonia to nitric acid under pressure : en
  • US2031508A - Battery holder : en
  • US2031293A - Ignition device : en
  • US2031339A - Means for propelling pleasure boats : en
  • GB443030A - Improvements in clothes washing and similar boilers : en
  • DE626110C - Hand loading device, primarily for steep fire guns : de en
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  • US2031155A - Lock : en
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  • US2031200A - Process of making products including aliphatic aldehydes : en
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  • US2031423A - Power plant : en
  • DE625930C - X-ray system with a control electrode that is isolated from the glow cathode of the X-ray tube and determines the size of the focal spot through its shape and potential : de en
  • US2031451A - Exhaust silencer for internal combustion engines : en
  • US2031466A - Fan : en
  • DE626114C - Discharge of the centrifuged material from the drum : de en
  • DE622508C - Process for the preparation of aminoacetic acid hydrazides : de en
  • FR794463A - Clasp for packages : en fr
  • DE625845C - Changeable double plug : de en
  • FR794406A - Time averaging marker device : en fr
  • GB442899A - Improvements in spraying devices for the airless injection of fuel in internal combustion engines : en
  • GB443117A - Improvements in or relating to cutter chains and cutter bars for use in coal cuttingand similar machines : en
  • FR794487A - Gas filter : en fr
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  • FR794604A - Process for obtaining valuable materials, starting from wood : en fr
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  • US2031066A - Automatic lap doffer : en
  • US2031174A - Gas pressure regulator : en
  • CA356052A - Gear shift mechanism : en fr
  • US2030880A - Wrapping machine : en
  • US2031150A - Ski edge protector : en
  • FR794536A - Steam boiler with indirect production of steam by means of a heating device placed in the cylindrical body : en fr
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  • DE626134C - Process for the preparation of oxydiazo compounds : de en
  • US2030884A - Bottle cap and process of making same : en
  • US2031440A - Bellows thermostat with flexible connecting means : en
  • DE626184C - Water reserve for autogenous welding and cutting systems : de en
  • GB443213A - Improvements in or relating to self-closing doors : en
  • DE625999C - Casting mold for die setting and line casting machines for producing low lines : de en
  • GB442915A - Improvements in dyeing, washing and like apparatus : en
  • US2031340A - Cathode heating element for thermionic tubes : en
  • US2031122A - Furnace for roasting sulphurous ores : en
  • DE626060C - Folding machine for folding lids on containers with straight guidance of the container to the folding point : de en
  • DE626180C - Motor vehicle with three or more independently sprung wheels : de en
  • GB443053A - Improvements in or relating to friction gear for the stepless changing of the rotation of a driven shaft : en
  • GB443098A - Improvements in or relating to the production of knitted fabrics : en
  • GB443108A - Improvements relating to the manufacture of paper and like containers : en
  • US2031369A - Feeding apparatus : en
  • US2031511A - Shoe heel : en
  • US2030941A - Electric control apparatus for fuel burners : en
  • US2031171A - Mastic floor topping : en
  • US2031195A - Toy locomotive, train and track : en
  • US2031052A - Abrasive cutting machine and method : en
  • US2031315A - Copper base alloy : en
  • US2031021A - Harvester thresher canvas : en
  • US2031120A - Stoker controlling device : en
  • US2031574A - Derailing device : en
  • AU2119935A - Improvements in or relating to electric motor controlling and like switching arrangements : en
  • US2031494A - Welding rod coating : en
  • AU2004934A - Improvements in or relating to cigarettes : en
  • DE626174C - Series connection to achieve a predetermined voltage distribution to the individual elements of a series connection of rectifying valves : de en
  • DE625877C - Closed glass tubes, bent into the shape of a drawing, filled with liquid, illuminated by a light source radiating heat : de en
  • DK51293C - Gas station. : da en
  • GB442795A - An improved door holder : en
  • GB442868A - Improvements in or relating to buckets and pails : en
  • GB443073A - Improvements in or relating to tins, canisters and like containers : en
  • US2031249A - Waterproof and fireproof floor construction : en
  • DE625945C - Crack-free connection of a wooden joist ceiling to a wall : de en
  • DE626092C - Flint holder for iron lighters : de en
  • US2030867A - Art of removing metals as volatile chlorides from ores and other matters containing the same : en
  • DE625967C - Roller grate for screening loose debris : de en
  • GB442872A - Coating and plastic compositions : en
  • DE626163C - Anti-theft device for bicycles, motorcycles, etc. like : de en
  • FR794469A - Cooling device : en fr
  • FR794688A - Dry chart recording tape : en fr
  • GB443131A - Improvements in or relating to pressure gauges : en
  • DE625715C - Ship shape for cargo and passenger ships with a parallel central ship : de en
  • DE626276C - Method for avoiding harmful crosstalk coupling caused by wire displacement in four-stranded telephone cables : de en
  • FR794676A - Longitudinal cutter for continuous or other sheets of paper with rotating circular blades working together in pairs : en fr
  • GB442876A - Improvements in or relating to chimney shafts : en
  • GB443141A - Improvements in electric hand vacuum cleaners : en
  • GB442969A - Improvements in and relating to cam-driven electric switches : en
  • FR794429A - Improvements to electrical conductors : en fr
  • FR794590A - Process for obtaining contrasts and manufacturing light sensitive layers : en fr
  • FR794687A - Counting bridge for handling or loading goods or packages : en fr
  • GB442790A - Diaphragm valves : en
  • DK51272C - Device by rails in street paving to counteract the penetration of moisture along the rails. : da en
  • US2030925A - Portable truck : en
  • GB443138A - Method of and device for rolling metal strips : en
  • US2031039A - Refrigerator car door : en
  • CA355981A - Egg carton : en fr
  • GB442896A - Improvements in or relating to shoe-upper conforming machines : en
  • US2031016A - Method of and apparatus for testing electrical devices : en
  • US2030858A - Typewriting machine : en
  • GB443052A - Improvements relating to electric overhead isolating switches : en
  • GB443133A - Process for the production of valuable liquid hydrocarbons by destructive hydrogenation of carbonaceous materials : en
  • GB442912A - Improvements in plugs for breaking up concrete, or the like : en
  • US2030863A - Load lifting cradle : en
  • US2031306A - Liquid fuel vaporizer and burner : en
  • US2031130A - Short wave-long wave receiver : en
  • US2031148A - Trolley : en
  • US2031469A - Method and means for detecting flaws : en
  • DE625973C - Detachable fastening of a tightly closing cover with the housing of a small alternator, especially for bicycles and motorcycles : de en
  • DE626268C - Securing the open position of locks with quarter turn, locking lever, etc. on air raid shelter doors : de en
  • DE626126C - Adjustable storage for aircraft parts : de en
  • FR794465A - Variometer : en fr
  • DE626111C - Device for weft winding machines to fix the beginning of the thread when inserting a new bobbin : de en
  • GB442836A - Improvements in or relating to circular knitting machines : en
  • GB443112A - Improvements in filters : en
  • FR794473A - Sliding window with balanced weight : en fr
  • FR794643A - Sealing device for the shaft of rotary piston compressors : en fr
  • DE626010C - Process for the production of an adhesive intended for gluing paper to all kinds of materials : de en
  • DE626129C - Method and device for germinating barley and. like : de en
  • US2030982A - Tramp iron collector : en
  • DE625988C - Movable weir with a dam : de en
  • US2030895A - Method of making slide fasteners : en
  • US2031065A - Antenna : en
  • US2031480A - Ballast resistance : en
  • GB442881A - An improved cheese cutter : en
  • GB443032A - Improvements in or relating to methods of and means for synchronising in television and like systems : en
  • DE626455C - Closure for packages by means of an adhesive strip, which also serves as a carrying device : de en
  • USD98624S - Design for a lens fob motor vehicle : en
  • US2031275A - Adhesively coated sheet material : en
  • GB442893A - An improved fastener for windows, doors and the like : en
  • DE626009C - Coil for induction ovens : de en
  • DE626041C - Process for the production of molded articles under the action of pressure from compositions which set and harden with liquids : de en
  • DE626109C - Workpiece carrier with loading and unloading device for processing workpieces of any shape in grinding and polishing machines : de en
  • US2030904A - Photographic film of the monopack type adapted for color photography : en
  • US2031164A - Air purifying device : en
  • US2031561A - Method and apparatus for treating rubber articles : en
  • US2031046A - Process for the prevention of the bleeding on white animal fibers : en
  • USD98568S - Design for a tire : en
  • US2030966A - Variable pressure apparatus : en
  • US2031303A - Tractor : en
  • FR794667A - Improvements to release mechanisms for circular looms : en fr
  • DE626019C - Sorting machine for spools of thread : de en
  • DE625944C - Electrically heated overflow hot water storage tank : de en
  • CA356034A - Card index device : en fr
  • GB442887A - Improvements relating to the photographic production of direct positives for autotype purposes : en
  • US2031018A - Viscosity regulator : en
  • DE599491C - Process for the production of a protective layer covering the blades of a wooden propeller : de en
  • DE625979C - Process for the production of good running, high gloss, basic pigments, e.g. Zinc white, containing oil paint : de en
  • FR794494A - Collector alternating current machine, in particular collector alternating current motor : en fr
  • GB443060A - Improvements in the manufacture of filaments, yarns, bristles, straw, and like materials having a basis of organic derivatives of cellulose : en
  • GB443062A - Hub device for wheels of heavy vehicles : en
  • DE618131C - Shielding cap : de en
  • US2031272A - Milk bottle receptacle : en
  • GB442967A - Improvements in washing machines : en
  • DE626081C - Mixing machine for rubber or other plastic compounds : de en
  • DE625971C - Gas or steam-filled controlled switching tube : de en
  • FR794525A - Improvements to pipe connections : en fr
  • GB443026A - Improvements in and relating to the hinges of the doors of cooking ranges and stoves : en
  • DE625875C - Visual system for grain flour : de en
  • DE626117C - Backstop for welding, cutting and soldering torches : de en
  • US2031243A - Treatment of organic cellular materials : en
  • US2031462A - Strap stretching device : en
  • DE625968C - Washing and bleaching process for jute : de en
  • CA355991A - Grindstone : en fr
  • CA356013A - Liquid protective device : en fr
  • US2030922A - Carburetor : en
  • US2031236A - Cable clamp : en
  • US2031283A - Refrigerator : en
  • US2031186A - Automatic brake : en
  • US2031472A - Hand tire-groover : en
  • USD98581S - Abticles of appabel : en
  • FR794540A - Mounting of an externally controlled magnetron : en fr
  • GB442784A - Improvement in toy boats : en
  • GB443038A - A new or improved apparatus for graining surfaces : en
  • US2031401A - Apparatus for severing bias cut fabric : en
  • DE626191C - Process for the production of azo dyes : de en
  • US2030918A - Method of making a pen point : en
  • DE625871C - Breaking device : de en
  • DE626179C - Device for generating tones of a certain timbre using a generator which is continuously variable in its frequency : de en
  • US2031402A - Slat house : en
  • GB443284A - Improvements in and relating to the manufacture of rubber filaments, threads or yarns : en
  • CA356026A - Golf club : en fr
  • US2030903A - Photographic film of the monopack type adapted for color photography : en
  • US2031408A - Control device : en
  • DE625840C - Circuit for electrical point and signal drives : de en
  • FR794546A - Spindle attachment device : en fr
  • US2031056A - Tubing catcher : en
  • USD98641S - Design for lace : en
  • GB442994A - Improvements in liquid meters for small flows and low heads : en
  • US2030912A - Signals and controls for passenger and freight elevators and for other purposes : en
  • US2031060A - Printing odometer : en
  • US2031259A - Electric cooking utensil : en
  • US2031331A - Photoelectric tube : en
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  • GB443102A - Manufacture of azo-dyestuffs insoluble in water : en
  • AU2119535A - Improvements in and relating to autographic registers : en
  • US2031558A - Relief valve for hot water systems : en
  • DE625380C - Outlet valve for oil containers, fuel cans, etc. like : de en
  • US2031074A - Automatic program system : en
  • FR794615A - Automatic sterilant liquid dispenser : en fr
  • GB443111A - Manufacture of gelatine-reliefs for imbibition printing : en
  • AU1957134A - Method forthe wireless transmission and reception of television images : en
  • FR794556A - Machine for driving and removing casing tubes for the execution of foundation piles cast in the ground : en fr
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  • US2030909A - Recording device : en
  • US2030954A - Broom and method of making same : en
  • US2031327A - Oil filter base : en
  • US2031348A - Pattern selecting mechanism : en
  • DE625953C - Fuel injection device for internal combustion engines : de en
  • GB443051A - Improvements in or relating to baby carriages : en
  • US2031089A - Oscillation-type lock : en
  • US2031492A - Shackle support : en
  • AU2005034A - Improvements in or relating to cigarettes : en
  • US2031468A - Feed water heater for locomotives : en
  • US2031271A - Halter : en
  • DE626086C - Method for sound recording with the help of a brightness-controlled Braun tube : de en
  • DE626225C - Device for setting adjustable electrical apparatus, in particular X-ray systems, taking account of fluctuations in the network : de en
  • US2030910A - Grinding wheel mandrel : en
  • US2031286A - Planet wheel gearing : en
  • US2031426A - Disazo dyestuff : en
  • US2031012A - Heat exchange apparatus : en
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  • FR794672A - Process for the manufacture of compositions based on rubber or similar material : en fr
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  • FR794570A - Process for the manufacture of new mordant dyes : en fr
  • DE625822C - Device for supplying high-voltage glowing cathodes of discharge tubes, especially in X-ray systems, by means of a generator : de en
  • FR794675A - Improvements to funnels used in centrifugal rayon spinning machines : en fr
  • DE626120C - Overhead line isolator disconnector with contact protection : de en
  • DK51268C - Foldable Pipe Mast. : da en
  • US2030936A - Vibrator : en
  • GB442806A - Improvements relating to view finders for aircraft : en
  • FR794518A - Pouring pitcher intended to receive ice to refresh the liquid contained : en fr
  • US2031484A - Hairpin clasp : en
  • US2030977A - Mail eye clinching device and method of forming cotton harness having metal eyes : en
  • US2031094A - Impregnation of textile materials with rubber-containing liquids : en
  • US2031344A - Doorlock : en
  • FR794591A - Method of manufacturing contact members for electric discharge tubes : en fr
  • US2030984A - Automatic electroplating machine : en
  • USD98645S - Design fob lace : en
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  • US2030944A - Fabric take-off mechanism for knitting machines : en
  • US2031153A - Cover for kegs, barrels, or like containers : en
  • US2031496A - Automobile robe support and bracket therefor : en
  • US2031535A - Ram : en
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  • GB443023A - Improvements in means for combatting pests : en
  • US2031145A - Nonflammable cleaning solvent : en
  • DE626158C - Diaphragm pump : de en
  • GB442875A - Improvements in rotary piston machines : en
  • DE625975C - Monitoring device for multiple fed distribution systems : de en
  • FR794503A - Universal switch : en fr
  • DE625932C - Helical, coiled, electric immersion heater : de en
  • DE626153C - Zigzag sewing machine : de en
  • GB443016A - Improvements relating to start-stop selecting and translating mechanisms for printing telegraphs and other apparatus : en
  • GB442882A - Improvements relating to the manufacture of moulded heat-resisting glass ware : en
  • AU2125235A - Improvements inthe manufacture of mirrors : en
  • US2031178A - Washboard : en
  • US2031403A - Sulphur burner : en
  • US2031441A - Radio signaling apparatus : en
  • US2031387A - Nozzle : en
  • US2031138A - Method of welding : en
  • US2031336A - Process for the cracking treatment of hydrocarbons : en
  • US2031503A - Light-sensitive cell control mechanism : en
  • US2031559A - Lithograph offset machine plate clamp : en
  • DE625861C - Method of comparing objects with patterns : de en
  • DE626035C - Support roller assembly for the tracks of motor vehicles : de en
  • FR794612A - Mobile binder for journals, catalogs and other similar publications : en fr
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  • USD98646S - Design for lace : en
  • DE626072C - Socket arrangement consisting of two single sockets for electric tube lamps with sockets attached to the sides : de en
  • FR794569A - Toe-support for sandal eliminates the retaining links on the top of the foot : en fr
  • US2031242A - Engine : en
  • DE625965C - Wooden handle for tools : de en
  • FR794431A - Luggage rack mudguard : en fr
  • GB443286A - Portable television apparatus, more particularly for military and police purposes : en
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  • FR794504A - Light switch : en fr
  • FR794699A - Sharpening and polishing machine : en fr
  • FR794622A - Sealing for high pressure vessels : en fr
  • GB443056A - Improvements relating to the manufacture of esters from alcohols : en
  • DE626025C - Sieve drum for cleaning grain : de en
  • US2031412A - Aircraft brake control mechanism : en
  • CA356039A - Azo-dyestuff : en fr
  • US2031370A - Autographic register : en
  • US2031172A - Beverage dispensing bottle : en
  • US2031324A - Radiator grille : en
  • GB442937A - Improvements in and relating to elastic rubber threads : en
  • US2031043A - Elevator safety device : en
  • DE625923C - Paw support for vehicle engines : de en
  • FR794593A - Small portable and folding furniture forming, by their grouping, transport boxes : en fr
  • GB442839A - Improvements in or relating to fuel injection pumps : en
  • GB442873A - Manufacture of azo dyes on the fibre : en
  • GB442884A - Azo compounds and their application and compositions containing the same : en
  • US2030996A - Display apparatus : en
  • US2031258A - Mold for the manufacture of teapots and the like : en
  • US2031521A - Hydraulic coupling : en
  • DE625902C - Process for improving blown fatty oils of the linseed oil, poppy seed oil and trane type : de en
  • DE625960C - Control activated by the lungs for an oxygen supply valve of breathing apparatus : de en
  • FR794424A - Method and apparatus for the manufacture of cardboard for packaging, boxes and crates with corrugations formed by printing : en fr
  • FR794626A - Elastic fabric : en fr
  • GB442862A - Power transmitting and change speed apparatus : en
  • GB442880A - Improvements in or relating to electrolytic condensers : en
  • GB442904A - Improvements in and relating to mountings for dynamo-electric machines : en
  • FR794498A - Improvements in the treatment of textile materials : en fr
  • FR794658A - Lamp holder, especially for projector lamps : en fr
  • GB442837A - Improvements in and relating to flexible footwear : en
  • GB442948A - Improvements relating to apparatus for measuring liquid or quasiliquid materials : en
  • GB442997A - A device for supporting clothes or other articles during drying or airing thereof : en
  • GB443036A - Improvements in or relating to show-cards, display stands or the like : en
  • DE625870C - Oxygen cutting torch : de en
  • DE625880C - Brushless plane : de en
  • DE626093C - Valve control for radial engines : de en
  • GB443155A - Process for the manufacture of alkali metal titanates : en
  • DE626053C - Drive device for two in the vertical longitudinal plane each individually adjustable crawler tracks from crawler chassis : de en
  • GB442830A - Improvements in or relating to supporting tackle for mine cages, lift cages and the like : en
  • DE625935C - Process for the preparation of insoluble azo dyes : de en
  • FR794555A - Carbide tipped mechanical pencil : en fr
  • US2031238A - Automatic volume control arrangement : en
  • USD98629S - Design for a faucet mounting : en
  • US2031464A - Feed dog recutting fixture : en
  • FR794433A - Improvements to calipers for shafts or other similar devices : en fr
  • US2031567A - Method and apparatus for manufacture packing : en
  • FR794482A - Improvements made to pump-type devices, in particular suction and pressure pumps : en fr
  • GB442832A - Improvements in methods of and means for securing articles to walls and the like : en
  • US2031063A - Continuous machine for printing floor and wall coverings : en
  • GB443124A - Improvements in or relating to liquid fuel admission devices for internal-combustionengines : en
  • US2030906A - Method and means for spot-welding aluminum and aluminum alloys : en
  • FR794512A - Device for extracting exhaust gases from two-stroke internal combustion engines : en fr
  • US2031101A - Arrangement adapted to generate ultra short electromagnetic waves : en
  • GB442938A - Improvements in or relating to generators of intermittent electrical oscillations : en
  • GB442822A - Improvements in and relating to portable electrically driven percussive tools : en
  • FR794592A - Dispenser bulb : en fr
  • GB443143A - A device for exchangeable connection of the handle to an implement body : en
  • DE625990C - Device for exchanging inserts, collar and. Like. On garments using snaps : de en
  • GB442943A - Improvements relating to rain water fall pipes and the like : en
  • DE625929C - Electric incandescent lamp headlight : de en
  • DE626079C - Suction mouthpiece for vacuum cleaner : de en
  • US2031289A - Grinding mill : en
  • US2031546A - Resist effects with azo dyestuffs : en
  • CA356061A - Drilling jar : en fr
  • AU2125135A - Improved method and apparatus for wrapping cylindrical articles : en
  • US2031333A - Tractor axle extension : en
  • USD98605S - Design for a water heater : en
  • USD98633S - Design for a flower vase : en
  • AU1991834A - Improvements in and relating tothe manufacture of cigarettes : en
  • GB442923A - Improvements in or relating to hopper feeders for feeding cotton to scutching or picking machines : en
  • GB443094A - Improvements in or relating to the removal of sulphur compounds from gases : en
  • GB443101A - Improvements in and relating to the manufacture of sodium carbonate : en
  • DE625942C - Dishwasher device with conveyor device for the washed dishes after an attached drying cabinet : de en
  • GB443012A - Improvements in or relating to television and like systems : en
  • DE625937C - Gas cleaner with a mechanically operated device for moving the gas cleaning mass : de en
  • GB442788A - Improvements in or connected with bed-settees and the like : en
  • GB442996A - Improvements in and relating to hollow structural members such as walls, floors, ceilings, roofs and the like : en
  • GB442976A - Improved electric water heating and steam generating means : en
  • DE625872C - Breaking device for stones or the like. : de en
  • DE626138C - Wheel flange lubrication device : de en
  • FR794446A - Slide for closure comprising stapling members engaging with one another : en fr
  • US2031270A - Annealing and other heat-treatment furnaces : en
  • DE625936C - Grate firing with vertical fuel supply shaft, which is suspended over the top of a roof-shaped inclined grate : de en
  • DE626200C - Support arm, especially for rods of hall wardrobes, umbrella stands, towel holders and the like. like : de en
  • FR794602A - Powder puff : en fr
  • USD98582S - Design for a combined ice crusher : en
  • US2031354A - Venetian blind tilter : en
  • DE626002C - Signal device for overpasses with isolated rails : de en
  • DE626204C - Process for joining two edges of blanks made of fabric and rubber, primarily in the manufacture of gas masks : de en
  • CA356051A - Sewage filtration : en fr
  • FR794500A - Contact switch : en fr
  • FR794666A - Metal tube and method and apparatus for its manufacture : en fr
  • US2031080A - Motor pump and condensing unit : en
  • US2031573A - Machine for use in the manufacture of chewing gum : en
  • USD98571S - Design fob an emulsifying machine : en
  • AU2141735A - An improved machine for bending metal tubes orthe like : en
  • CA356032A - Soap handling and stamping machine : en fr
  • FR794467A - Internal combustion engine with variable area pre-ignition chamber : en fr
  • GB443017A - Improvements in lead-in conductors for transformers, switchgear and like electrical apparatus enclosed in metal casings : en
  • USD98574S - Design fob an oil burning cook : en
  • US2031542A - Extended electrical outlet : en
  • DE626172C - Circuit arrangement for telephone systems with dialer operation : de en
  • US2030961A - Operator's telephone circuit : en
  • GB442910A - Vacuum servo brakes for vehicles : en
  • GB442978A - Improvements in vulcanizing rubber : en
  • DE625926C - Liquid switch, in particular oil switch, with two interruption points located in series and housed in a closed chamber : de en
  • US2031033A - Dispensing carton : en
  • FR794617A - Mounting and fixing method for outsole for shortening : en fr
  • DE625869C - Automatic parking device for gear processing machines : de en
  • CA356069A - Locomotive : en fr
  • GB442834A - Improvements in curbs for cattle stalls : en
  • GB443069A - Improvements in or relating to engine driven vehicles : en
  • GB443074A - Improved variable gear or torque conversion mechanism : en
  • CA356065A - Kiln : en fr
  • DE626024C - Pointer drive for double pendulum balance : de en
  • DE626243C - Electrically heated, for the introduction of therapeutically acting rays, e.g. Radium rays, cannulas used in the human or animal body : de en
  • GB443061A - Improvements in or relating to optical projection apparatus : en
  • US2031248A - Seat adjuster : en
  • USD98630S - Design for a direction indicator : en
  • GB442792A - Improvements relating to closures for bottles and like containers : en
  • DE626142C - Circuit for single-phase AC motors with main and auxiliary phase winding : de en
  • US2031055A - Air conditioning and refrigerating device : en
  • US2031316A - Copper base alloy : en
  • DE625906C - Circuit arrangement for telephone systems with dialer operation : de en
  • DE626107C - Fastening of coil springs subjected to compression, especially for cushioning of motor vehicles : de en
  • DE626272C - Process for the production of active silica with narrow pores : de en
  • DE626020C - Area measuring machine : de en
  • US2031281A - Automobile door locking mechanism : en
  • US2031419A - Toy airplane : en
  • CA355975A - Binding mower belt : en fr
  • US2030872A - Ultra-short wave receiver : en
  • US2031051A - Automatic chucking machine : en
  • US2031144A - Nonflammable cleaning solvent : en
  • DE625943C - Poultry plucking machine : de en
  • DE625956C - Gasket intermediate layer made of light metal : de en
  • FR794530A - Frame for incandescent electric lamps : en fr
  • GB442993A - An arrangement for facilitating the bundling of rolled rods : en
  • DE625863C - Equipment for the production of changeable amounts of substance in the composition ratio by means of automatic scales : de en
  • FR794649A - Turn indicator for vehicles and more particularly for aircraft : en fr
  • CA355980A - Building erection system : en fr
  • US2031424A - Flexible internal stop : en
  • US2031108A - Process for removing wax from oil : en
  • US2031502A - Electrical controller : en
  • CA356005A - Floor covering : en fr
  • US2030967A - Aircraft : en
  • US2031107A - Process for separating oil from wax cakes : en
  • US2031158A - Machine for making grinding wheels : en
  • US2031175A - Grave covering apparatus : en
  • US2031305A - Automatic firearm : en
  • DE626108C - Cushioning, especially for motor vehicle seats : de en
  • US2030915A - Pad for applying pressure to shoe bottoms : en
  • US2031067A - Automatic transmission : en
  • GB443083A - Improvements in and relating to force feed lubrication : en
  • GB443156A - Improvements in or relating to transmission belts : en
  • FR794684A - Improvements to electric discharge lamps : en fr
  • GB442793A - Improvements in and relating to apparatus for delivering predetermined quantities ofliquids : en
  • GB442962A - Improvements relating to moulds for pulp articles and the like : en
  • AU2079635A - Improvements in or relating to derivatives of castor oil and to cellulose derivative compositions containing thesame : en
  • FR794405A - Improvements in the manufacture of plywood articles : en fr
  • FR794550A - Packaging system allowing the presentation of small hand tools : en fr
  • US2031240A - Toy : en
  • FR794435A - Household food grill hood with draft : en fr
  • FR794686A - Paddle belt refinements : en fr
  • USD98652S - Design fob a radio antenna : en
  • DE626047C - Circuit arrangement for telephone systems with several AEmtern in series : de en
  • DE626196C - Container for separate storage of chemically interacting substances : de en
  • DE626016C - Stone iron ceiling, the stones lying one behind the other are provided with attachments on the front sides that close the longitudinal cavities of the neighboring stones : de en
  • USD98608S - Design fob a blouse : en
  • GB443204A - Method of purifying milk : en
  • DE626198C - Device for producing threads from glass : de en
  • FR794510A - Safety devices for lifts and hoists : en fr
  • FR794578A - New additives for the textile industry : en fr
  • US2031147A - Bag rack : en
  • GB443046A - Improvements in superheterodyne receivers for television : en
  • FR794421A - Improvements to aircraft lift rotors : en fr
  • US2031194A - Building block : en
  • US2031541A - Engine cooling system : en
  • DE626148C - Display device on vacuum cleaners : de en
  • GB443195A - Improvements in pipes for the transport of materials : en
  • US2030859A - Textile assistants : en
  • GB443027A - Improved manufacture of anti-halation layers and filter layers for photographic purposes : en
  • GB442835A - A box or packing device for preservatives : en
  • US2031526A - Link type hinge : en
  • USD98647S - Design fob an electric lighting : en
  • US2031072A - Method of and means for signaling : en
  • GB442828A - Apparatus for use in lining centrifuging moulds : en
  • GB443106A - Improvements in or relating to stiffening material adapted for use in the manufacture of boots and shoes and in or relating to the manufacture of such material : en
  • GB443212A - Improvements in the forming of paper boards : en
  • US2031041A - Motor vehicle air conditioner : en
  • US2031343A - Fountain pen : en
  • USRE19861E - Stereotype platemaking machine : en
  • DE625879C - Wobble piston machine : de en
  • US2031179A - Method of evaporating aqueous hydrochloric acid : en
  • US2031571A - Sealed bearing : en
  • US2031417A - Roller bearing assembling machine : en
  • DE626084C - Use of precious metal alloys for objects subject to high chemical and mechanical loads : de en
  • DE626227C - Installation on blowers, preferably intended for vacuum cleaners : de en
  • US2031135A - Lathe : en
  • US2031361A - Projection apparatus : en
  • USD98648S - Design fob a smoking stand : en
  • GB443068A - Improvements in or relating to binding arrangements for sheets and leaflets : en
  • FR794528A - Manufacturing process for thin metal blades and thin metal plates : en fr
  • DE625924C - Tube circuit with adjustable gain : de en
  • US2031279A - Excavating machine : en
  • USD98575S - Design for a food receptacle unit : en
  • US2030928A - Hydraulic press : en
  • DE625874C - Impact shredder for grinding grainy substances such as grain or the like. : de en
  • GB443149A - Improvements in and relating to incinerators : en
  • GB442905A - New or improved lifting apparatus for motor vehicles : en
  • FR794653A - Process for stabilizing low molecular weight chlorinated hydrocarbons : en fr
  • GB442909A - An improved method of and preparation for treating knitted and like textile fabrics : en
  • FR794630A - Improvements made to free-piston self-compressors : en fr
  • US2031196A - Shoe sole : en
  • DE625889C - Ink feed for fountain pen : de en
  • GB442871A - Improvements in and relating to vibratory electric motors : en
  • GB442869A - Manufacture of substituted aromatic amino-compounds : en
  • FR794695A - Process for the purification and laundering of oils, fats (glycerides), fatty acids, resins or the like : en fr
  • DE625888C - Door handle connection adjustable to door thickness : de en
  • US2031470A - Safety cutting tool : en
  • US2031475A - Oxidizing catalysts : en
  • US2030983A - Treatment of films and foils of organic cellulose esters : en
  • US2031383A - Machine gun bolt mechanism : en
  • GB443066A - Closing device for collapsible tubes : en
  • DE625995C - Process for the preparation of heavy metal compounds of thio-substituted carbohydrates : de en
  • US2031075A - Selective program system : en
  • USD98614S - Design for a tumbler : en
  • DE626001C - Dismountable device for keeping food cool : de en
  • US2031181A - Truck : en
  • US2031226A - Door operator : en
  • FR794507A - Airplane helicopter : en fr
  • US2031228A - Process for the production of alkyl halides : en
  • US2031326A - Mortar mixer : en
  • AU2121435A - Control and indicating system for storage batteries : en
  • US2030855A - Means for testing materials : en
  • US2031218A - Handbag : en
  • US2030860A - Print-out emulsion : en
  • US2031359A - Toy gun : en
  • GB443045A - Improvements relating to locking nuts particularly for fish-plate bolts : en
  • CA356033A - Superheterodyne radio receiver : en fr
  • US2031439A - Weighing scale : en
  • US2031500A - Sound reproducing system : en
  • US2031477A - Collapsible drawing table : en
  • US2031004A - Cravat holder : en
  • US2031505A - Container for explosives : en
  • US2031566A - Crinkled tinsel producing machine : en
  • US2031341A - Piston ring : en
  • FR794545A - Diesel engine running, in particular, on wood gas : en fr
  • DE625848C - Electric heating element designed as a hollow cylinder : de en
  • DE626208C - Two-part detachable button : de en
  • GB443001A - Ignition noise suppressor system for vehicle radio receivers : en
  • FR794413A - Further training in bogie locomotives, with individual axle control, especially electric locomotives : en fr
  • FR794585A - New rubber product and its manufacturing process : en fr
  • GB442894A - Improvements in or relating to machines for scutching or picking cotton : en
  • GB443055A - Improvements in building outfits for forming toy and model structures : en
  • DE618303C - Process for the production of grainless gelatine fat printing forms : de en
  • DE625862C - Inclination scale with equally divided scale : de en
  • USD98578S - Design fob an ash receiver or : en
  • DE626253C - Control device for the assembly test of mass objects : de en
  • DE626239C - Device for the arc extinguishing in oil switches : de en
  • DE625791C - Loop oscilloscope for optical sound recording : de en
  • DE626182C - Sieve for separating sheet-like components from gravel, crushed stone, stone chips or the like. : de en
  • GB443079A - Improvements in and connected with the superheating of steam : en
  • GB442979A - Improvements relating to lubricants and other hydrocarbon products : en
  • GB442995A - Improvements relating to cases, holders, or containers for toilet requisites or articles such as soap, sponges, toothbrushes and like articles : en
  • US2031082A - Welding machine : en
  • US2031321A - Photographic camera : en
  • DK51294C - By welding made box-shaped stand for upright incinerators. : da en
  • US2030937A - Incandescent igniter : en
  • FR794402A - Automatic burner system : en fr
  • DK51271C - Capsule for Closing Bottles or Similar Containers. : da en
  • FR794505A - Metal box opening by tilting the lid : en fr
  • US2030958A - Process for preparing calcium salts of substituted quinoline carboxylic acids : en
  • AU2079235A - Improvements in compression refrigerating machines : en
  • CA356015A - Cigar container : en fr
  • CA356059A - Siliceous refractory : en fr
  • FR794444A - Apparatus for demonstrating and fitting dentures : en fr
  • AU2316435A - Pilfer-proof collapsible container : en
  • SE85588C1 - Carbide alloy and method of its manufacture : en sv
  • US2031142A - Fastening for the handles of tools : en
  • US2031053A - Apparatus for forming, folding, and banding paper strips : en
  • USD98632S - Design for a shoe : en
  • US2031188A - Rotary tilling machine : en
  • US2031312A - Container and closure therefor : en
  • US2031532A - Electric pencil : en
  • DE626183C - Centrifugal mixer and kneading machine : de en
  • AU2082935A - Improvements in or relating to luminous electric discharge tubes : en
  • CA356040A - Azo-dyestuff : en fr
  • US2031071A - Photographic copying apparatus : en
  • CA356066A - Corset : en fr
  • US2031375A - Noncreep elastic strands for elastic fabrics : en
  • US2030841A - Bottle closure : en
  • US2031534A - Air cooling device : en
  • DE625627C - Floatless carburetor : de en
  • DE626063C - Facility for copying on booking forms : de en
  • AU2182635A - Improved universal power woodworking apparatus : en
  • CA355984A - Cordage and wire rope : en fr
  • US2031572A - Cover feeder for book match : en
  • GB442847A - Improvements in or relating to fire-arms : en
  • US2031008A - Apparatus for extruding metal : en
  • US2031086A - Roasting apparatus : en
  • US2031347A - Coin head for coin controlled devices : en
  • US2031471A - Stroking holder for razor blades : en
  • CA355986A - Liquid gauge : en fr
  • FR794501A - Contact spring in particular for electrical switches : en fr
  • DE625931C - Heat-resistant coils and windings : de en
  • DE626131C - Method for bending wave-shaped bodies into a curve : de en
  • DE626271C - Clock with motor drive, especially synchronous clock : de en
  • US2030933A - Magnet switch : en
  • US2031129A - Method of making shaped bodies of nonplastic metallic oxides : en
  • US2030935A - Electric power transmission system : en
  • AU2151635A - Synchronisation method for television : en
  • DK51275C - Lunch box. : da en
  • FR794562A - Process for the simultaneous recovery of gasoline and ethylene contained in industrial gases : en fr
  • GB443084A - Improvements relating to the circulating and/or conditioning of air, applicable particularly to hair drying apparatus : en
  • GB442851A - Electric illuminating device for sewing machines : en
  • DE626032C - Process for the production of corrosion-resistant iron pipes : de en
  • DE626149C - Dishwasher device with a crockery basket arranged in a water tank : de en
  • GB442823A - Improvements in or relating to the mounting of electrode systems in electron tubes : en
  • GB442963A - Improvements in or relating to cathode-ray tubes and thermo luminescent screens therefor : en
  • US2031262A - Distributing apparatus : en
  • US2031394A - Plant marker : en
  • CA355982A - Tanning method : en fr
  • CA355990A - Boot : en fr
  • US2031234A - Fractionation of mineral oil : en
  • DE626085C - Fused salt baths for the heat treatment of magnesium alloys : de en
  • DE626202C - Device for attaching and carrying eggs, fruits or the like. : de en
  • GB443049A - Improvement in liquid coating compositions : en
  • DE625858C - Cover hood with lock : de en
  • DE626105C - Film cabinet with double walls : de en
  • US2031313A - Tube base and socket : en
  • US2030973A - Method of and apparatus for electrically recording and reproducing sound or other vibrations : en
  • DK51291C - Adjustable Transport Apparatus for Carrying Leather Pieces over the Work Table by Edge Burners and Similar Leather Machining Machines. : da en
  • GB442958A - Improvements in roller shutters : en
  • GB443042A - Method for the manufacture of velvet articles : en
  • CA355972A - Textile material manufacture : en fr
  • CA356002A - Rotary drum filter : en fr
  • DE626012C - Apparatus for performing artificial breathing : de en
  • FR794563A - Elastic fabric manufacturing process : en fr
  • USD98628S - Design fob a lunch counter unit : en
  • GB443004A - An improved file for papers, letters and the like combined with a calendar : en
  • GB442798A - Improvements in or relating to cigarette cases : en
  • DE625989C - Under the shirt, blouse, etc. Like. To be worn trousers : de en
  • FR794616A - Tap operated by a removable and safety key : en fr
  • US2031487A - Process for the production of alloys of the alkaline earth metals with cadmium : en
  • FR794595A - Ship propulsion device : en fr
  • GB443065A - Improvements in circuits employing multi-grid thermionic tubes : en
  • DE626026C - Injection carburetor : de en
  • FR794565A - Device for frequency adjustment in electrical energy distribution networks comprising synchronous clocks connected to the network : en fr
  • US2031168A - Illuminating apparatus : en
  • US2031157A - Shade for greenhouses : en
  • US2031397A - Beer cooler : en
  • DE625878C - Sheeter : de en
  • DE626067C - Process for improving the effectiveness of primary elements : de en
  • FR794603A - New anthraquinone series dyes : en fr
  • FR794466A - Device for cracking nuts, hazelnuts or others : en fr
  • GB442829A - Apparatus for lubrication, as applied in particular to the lubrication of automatic casting machines : en
  • US2031162A - Ice cream service container : en
  • GB442883A - Improvements relating to apparatus for charging storage batteries from a source of alternating electric current : en
  • GB442926A - Improvements in or relating to hopper feeders for feeding cotton to scutching or picking machines : en
  • GB443039A - Improvements in clutch control mechanism : en
  • US2031308A - Bed material for flower bulbs : en
  • DE625961C - scissors : de en
  • USD98611S - Design fob a lamp base : en
  • DK51282C - Low frequency amplifier. : da en
  • CA355995A - Cigarette and cigar holding device : en fr
  • DE614079C - Hollow drainage body for drawing off the liquid from fine-grained to sluggish material from a centrifugal drum : de en
  • US2031358A - Apparatus for producing perspectives : en
  • USD98612S - Design for a cosmetic container : en
  • DE625802C - Friction disc clutch, especially for motor vehicles : de en
  • DE626234C - Device for taking samples from the side wall of boreholes : de en
  • USD98583S - Design for a button : en
  • US2031123A - Head for internal combustion engines : en
  • GB442974A - Improvements in or relating to apparatus for the measuring and indication of viscosity of liquids : en
  • GB443070A - Improvements in or relating to synchronous-motor driven clocks : en
  • DK51285C - Ax. : da en
  • DE626089C - Centrifugal pendulum : de en
  • DE626037C - Cooling device for the wheels of a motor vehicle encapsulated by the wheel cover : de en
  • DE626201C - Equipment for boiling liquids such as milk etc. like : de en
  • FR794648A - Improvement in billboards : en fr
  • DE626031C - Spur gear with asymmetrical teeth : de en
  • GB443104A - New triarylmethane dyestuffs : en
  • GB443014A - Manipulating a liquid medium for the purpose of separating materials, segregating materials or contacting materials : en
  • FR794506A - Isothermal structure applicable to constructions : en fr
  • DE626058C - Hydraulic sheet metal bending press : de en
  • FR794576A - Electric pocket torch : en fr
  • GB442840A - Process and apparatus for the propulsion of submarine boats by means of combustion motors during immersion : en
  • US2031510A - Arch and heel support : en
  • USD98596S - Design for an ash tray : en
  • DE626133C - Process for stabilizing alkyl ethers of glycols or 1,2-polyalkylene glycols : de en
  • FR794631A - Improvements to thermal installations comprising pressurized gas generators to operate receiving machines : en fr
  • FR794683A - Process for manufacturing maltose and maltose preparations : en fr
  • DE626205C - Process for the processing of zinc-containing gravel waste : de en
  • GB442886A - Improvements in or relating to safety razors : en
  • DE625660C - Process for the production of condensation products from hydrogen sulfide and acetylene : de en
  • DE626054C - Ship loading system : de en
  • US2031132A - Machine for casting stereotype plates and the like : en
  • USRE19855E - Bell ringer : en
  • US2031095A - Process for separating wax from oil : en
  • DE626050C - Device for bipolar high frequency treatment : de en
  • FR794453A - infrared permeable photographic screen : en fr
  • DE626165C - Work strips for footwear : de en
  • DE626199C - Tablecloth clips made from molded material, in particular celluloid : de en
  • DE626193C - Hand flat knitting machine provided with a jacquard pattern device : de en
  • FR794475A - Sunscreen : en fr
  • GB442916A - Improvements relating to latches or locks for the doors of motor vehicles : en
  • US2031191A - Paring knife : en
  • FR794529A - Process for elaidinating oils, fats and fatty acids : en fr
  • CA356018A - Cigarette manufacture : en fr
  • US2031137A - Electron discharge tube and circuit arrangement : en
  • US2031353A - Underreamer : en
  • GB442929A - Improvements in magneto-electric machines : en
  • GB442780A - Improvements in or relating to wrapping machines : en
  • DE625740C - Automatic on and off device or switching device for speech machines : de en
  • DE625882C - Hinge for hoods of motor vehicles : de en
  • DE626066C - Circuit arrangement for regulating amplifiers that are to be switched on automatically : de en
  • FR794412A - Ski lift for skiers and pedestrians : en fr
  • US2031400A - Apparatus for making combs : en
  • DE625850C - Process for the preparation of monoazo dyes : de en
  • DE625921C - Device for preheating the load before it is introduced into the direct production of iron and steel. Movable ovens : de en
  • DE626188C - Bottom sludge collector for batteries : de en
  • DE626242C - Voltage regulating device on the secondary side for the recording circuit of an X-ray device : de en
  • DE625972C - Auxiliary pressure medium generator for switch drives working with gaseous pressure medium : de en
  • DE626228C - Three-layer, endlessly woven drying felt for cardboard and paper machines : de en
  • US2031057A - Composite pipe and like structure : en
  • CA356064A - Paper weight regulator : en fr
  • CA356004A - Coin operated liquid dispensing device : en fr
  • USD98650S - Design fob a trailer : en
  • DE625983C - Method for producing propellers with an edge body : de en
  • GB443015A - Improvements in or relating to fuel injection apparatus for internal combustion engines : en
  • CA355993A - Voltage protective structure : en fr
  • US2030846A - Adjustable burnishing reamer : en
  • US2031109A - Adjustable seat : en
  • US2030876A - Compounds of the n-dihydro-1,2,2',1'-anthraquinone azine series and process for the production thereof : en
  • FR794408A - Method and device for mixing or granulating slow powdery materials and plastics of any kind : en fr
  • GB442791A - Improvements in or relating to golf clubs : en
  • CA356031A - Spring assembly for upholstery : en fr
  • FR794517A - Device for exercise equipment for shooting bullets in machine guns : en fr
  • FR794574A - Fuel pump for automobile : en fr
  • DE625562C - Impact device, especially for driving in foundation stakes : de en
  • DE626181C - Device for separating grainy material : de en
  • US2030896A - Medicinal azo compounds : en
  • US2031363A - Combination vanity case : en
  • AU2133435A - Improvements in and relating to silencers for pulsating gaseous currents : en
  • CA355964A - Speed control mechanism : en fr
  • US2030917A - Multiple joint extension union : en
  • DE625865C - Procedure for combating pests in closed spaces : de en
  • US2031373A - Loose leaf binder : en
  • US2031192A - Meter for indicating ratio of fluid fuel consumption to engine speed : en
  • GB442813A - Improvements relating to marking extruded lead pipe : en
  • CA356047A - Joint : en fr
  • DE626147C - Cosmetic preparations : de en
  • CA356027A - Cereal food product : en fr
  • CA356045A - Telegraph transmitter : en fr
  • CA356050A - Sewage filtration : en fr
  • CA355997A - Draw bar and buffing device : en fr
  • FR794438A - Lever closure device, with wire stirrups, for bottles, more particularly for insulating bottles : en fr
  • GB442821A - Method of welding and welding machine : en
  • GB442826A - Wheel suspensions for vehicles : en
  • US2031068A - Refrigerator door : en
  • US2030886A - Electrical advertising sign : en
  • US2031212A - Printing pad : en
  • US2031083A - Guide or support for molten glass : en
  • US2031433A - Ammunition loading device with chain conveyer for small-arms : en
  • DE625725C - Machine for splitting and cutting soles : de en
  • FR794618A - Method for reducing the normal consumption of gasoline in internal combustion engines : en fr
  • US2031027A - Air washing device : en
  • GB443144A - Improvements in and relating to regulating devices for electrically driven spinning and twisting machines : en
  • US2031088A - Method and apparatus for fusing metals : en
  • US2031498A - Heating unit : en
  • US2031050A - Measuring system : en
  • USRE19859E - Illuminated ornamental device : en
  • DE626013C - Device for pitting cherries and similar stone fruits : de en
  • DE625873C - Centrifugal mill with counter-rotating pin disks : de en
  • FR794418A - Automotive mower : en fr
  • FR794515A - heat exchanger : en fr
  • DE615372C - Device for the operation of electric flame arc furnaces with direct current generators driven by counter-rotating turbines : de en
  • GB442981A - Improvements in or relating to heat-insulation for use in buildings : en
  • GB443075A - Improvements in or relating to anodes for electron discharge devices : en
  • DE626040C - Method of cooling the jacket when making grindstones : de en
  • DE626121C - Expansion switch : de en
  • GB442827A - Method and device for producing a fabric with very dense web : en
  • DE625920C - Removal of phosphine from gases : de en
  • US2030877A - Production of derivatives of n-dihydro-1,2,2',1'-anthraquinone azine : en
  • DK51286C - Method for Reducing or Excluding the Effect of Proteolytic Enzymes. : da en
  • US2031231A - Collapsible wire article : en
  • FR794553A - Process for the production of insoluble coatings, impregnations and moldings : en fr
  • GB442999A - Improvements in picking motions for looms for weaving : en
  • GB442902A - Process for producing porous oxide layers on aluminium and aluminium alloys for photographic purposes : en
  • DE625962C - Metal barrel for beer : de en
  • DE626043C - Tube closure for one-hand operation with a closure flap under the action of an endless spiral spring, the axis of rotation of which is cut by the plane in which the spring lies when the closure flap is pivoted : de en
  • US2031490A - High frequency circuit : en
  • DE626044C - Slide quick connection, in which a downwardly protruding pin on one shot is inserted into a corresponding bearing on the other shot so that it can roll : de en
  • DE626278C - Unit that can be submerged under water and consists of an encapsulated transformer with a three-phase motor on the same axis : de en
  • GB443134A - Improved rotary pump of the flexible chamber type : en
  • USD98588S - Design for a breakfast table : en
  • FR794434A - Articulation device for car stakes, trolleys, etc. : en fr
  • GB442801A - Travelling wardrobe trunk : en
  • US2031291A - Scoring device : en
  • GB443148A - An improved hard court for games, and composition for its manufacture : en
  • US2030852A - Process of distilling coal : en
  • US2031104A - Method of hand knitting : en
  • FR794432A - Tie : en fr
  • GB442815A - Improvements in and relating to seat back springs : en
  • DE625895C - Suspension for centrifugal machines : de en
  • DK51283C - Overturning gear for Operating tables. : da en
  • GB443044A - Improvements relating to display stands and the like : en
  • GB442906A - Improvements in or relating to the sealing of electric conductors into vitreous envelopes : en
  • GB442816A - Improvements in or relating to holders for cosmetic and like sticks or crayons : en
  • USD98589S - Design for a breakfast table : en
  • GB442921A - Improved lubricating oils : en
  • USD98598S - Design for a glass bottle : en
  • CA356016A - Carbon dioxide separation from gaseous mixtures : en fr
  • FR794480A - Rice powder spray device or the like : en fr
  • GB442818A - Improvement in stock feeding mechanism for lathes or like machine tools : en
  • FR794669A - Process for preparing 4.4'-di-1-phenyl-3-methylpyrazolonyl : en fr
  • DE625919C - Device for the automatic maintenance of a final cushion of fine-grained material in the feed pipe of cellular wheels for the discharge of fuel from charring drums : de en
  • GB443077A - Improvements in or relating to magnetrom tubes and arrangements incorporating the same : en
  • GB442809A - Improvements in or relating to sliding-clasp closures : en
  • FR794456A - Electric motor equipped with low voltage lighting sockets : en fr
  • GB442861A - A safety device to prevent the toppling and/or crashing of railroad cars in train collisions and derailments : en
  • FR794524A - Process for preparing a bituminous mixture : en fr
  • GB442852A - An improved liquid heater : en
  • FR794629A - coated electrode for electric welding and intended to give high resilience : en fr
  • FR794587A - Telemetry device : en fr
  • GB442803A - Improvements in or relating to machines for wrapping sweets and the like : en
  • FR794462A - Electric self-generating electrotherapeutic massage device : en fr
  • GB442782A - Improvements in or connected with cabinets : en
  • GB443113A - Improvements in or relating to the manufacture of phenols : en
  • DK51295C - Filling valve for containers. : da en
  • DE626083C - Process for the production of powdery alloys suitable for electromagnetic purposes : de en
  • DE625853C - Electric vacuum cleaner with a vacuum cleaner arranged outside the motorized blower unit : de en
  • DE625918C - Inclined rotary kiln for smoldering fuels by means of purge gases : de en
  • DE626052C - Method for exposure control in film copying machines by means of photoelectric measurement of the negative density : de en
  • US2031297A - Windshield wiper : en
  • US2031578A - Ash disposal apparatus : en
  • DE626231C - Knife star dough dividing and knitting machine : de en
  • US2031513A - Railway switch mechanism : en
  • US2031543A - Bank protecting device : en
  • USPP167P - spandikow : en
  • CA356011A - Transformer : en fr
  • US2031022A - Combination garment : en
  • US2031064A - Elevator bucket : en
  • GB443153A - Improvements in boxes and in means for securing the closure thereof : en
  • FR794493A - Winding stop device in electrically wound watch mechanisms : en fr
  • FR794461A - Fixing devices for all objects, making the screw or tip invisible : en fr
  • DE625904C - Circuit arrangement for telephone systems with dialer operation : de en
  • DE626155C - Process for the preparation of meat extract : de en
  • GB442879A - Process for the manufacture of azodyestuffs : en
  • GB443081A - Improvements in and relating to heaters for liquids : en
  • DE625912C - Milling machine with vertically movable and lockable milling spindle slide between two stand parts : de en
  • US2030897A - Medicinal monoazo compounds : en
  • US2031422A - Power plant : en
  • FR794698A - Camera for serial photography : en fr
  • DE626061C - Process and device for the thermal decomposition of acid sludge : de en
  • FR794654A - Free-wheeled wheel set mounted on a rotating axle for all types of vehicles and particularly for wagons : en fr
  • US2031551A - Heater : en
  • GB442959A - Improvements in or relating to rubbing surfaces for wash-bowls and wash-tubs, boards and other laundry apparatus : en
  • US2031448A - Circuit controller : en
  • US2031059A - Transmission mechanism : en
  • US2031421A - Attachment for mining machines : en
  • FR794596A - Process for preparing compounds of the coeranthrenic and coerbianthrenic series : en fr
  • FR794543A - Device for sharpening razors and, in general, sharp tools : en fr
  • FR794656A - Partitioned fuse cartridge : en fr
  • FR794692A - Improvements in the manufacture of threads, fabrics, etc. based on organic cellulose derivatives : en fr
  • GB442933A - Improvements in or relating to templates for more efficiently meeting the general and specialised requirements of mechanical dentistry : en
  • DE626143C - Process and device for the production of grids for electrical discharge vessels : de en
  • GB442903A - Improvements in or relating to radio receivers : en
  • DE626074C - Process for the production of dyes and intermediates : de en
  • FR794644A - Combination traction and rack-and-pinion drive for rail vehicles : en fr
  • FR794674A - Handling device : en fr
  • US2031227A - Lubricating oils : en
  • US2031356A - Process for dyeing or coloring cellulose esters and cellulose ethers : en
  • US2031062A - Automatic parking brake : en
  • DE625938C - Process for the production of melting channels for induction furnaces : de en
  • GB442808A - Improvements in or relating to game apparatus : en
  • GB442991A - Improvements in and relating to coating devices : en
  • US2031525A - Golf hole : en
  • US2031298A - Electric totalizator : en
  • DE625662C - Control device working with conveyor and control piston for machines with reciprocating working pistons : de en
  • DE625934C - Process for the production of azo dyes : de en
  • DE626119C - Arrangement for influencing the frictional weight in rail locomotives that carry their supplies of fuel : de en
  • DK51284C - Regulator for hydraulic shock absorbers. : da en
  • US2031268A - Manufacture of new stable antimony compounds : en
  • GB443132A - Spool holders for photographic roll film cameras : en
  • USD98585S - Design for a button : en
  • USD98576S - Design for a brassiere : en
  • US2030911A - Washing and lathering sponge device : en
  • US2031131A - Driving device for a machine for casting stereotype plates : en
  • US2031173A - Boring machine : en
  • DE626161C - Split wheel rim with removable rim ring : de en
  • GB442811A - Improvements in devices for testing yarn and other filaments for regularity of thickness : en
  • FR794639A - Assembly for flexible hoses : en fr
  • AU2166735A - Improvement in superheterodyne receiver : en
  • CA355973A - Yarn manufacture : en fr
  • US2031404A - Ventilator : en
  • US2031219A - Vehicle wheel inclosure : en
  • US2031362A - Water-resistant sandpaper and other abrasive papers and process of making same : en
  • CA356036A - Fountain pen : en fr
  • US2031438A - Glass jar and cover for storage battery cells : en
  • US2031476A - Tagging machine : en
  • US2031054A - Sectional conveyer : en
  • US2031575A - Folding box : en
  • US2031187A - Time switch mechanism : en
  • US2030932A - Control device : en
  • US2031232A - Process for aging alcoholic beverages : en
  • US2031304A - Illuminated folding table : en
  • DE625852C - Process for the production of chromium-containing azo dyes : de en
  • DE626190C - Toggle switch : de en
  • DE625867C - Generation plant for electric waves of high voltage and frequency : de en
  • DE626151C - Device for measuring the hydrogen ion concentration with the aid of electrodes made of antimony, tungsten or other metals or their alloys that can be oxidized by dissolved oxygen : de en
  • GB442934A - Improvements in and relating to percussive tools : en
  • US2031087A - Refrigerant mixture : en
  • GB442781A - Improvements in vacuum cleaners : en
  • GB442786A - Improved ventilation of enclosed vehicles : en
  • GB443025A - Improvements in or relating to apparatus for indicating and recording the dust content of blast furnace gases : en
  • US2030875A - Fishing apparatus : en
  • US2031376A - Mining machine : en
  • GB443370A - Improvements in or relating to heating systems employing a circulating liquid heat carrier : en
  • US2031427A - Centrifugal clothes drier : en
  • DK51273C - Device for Internal Combustion Engines, In particular Glow Head Engines. : da en
  • DE626017C - Rotary tube seal : de en
  • FR794416A - Board beam assembly for folding boats : en fr
  • GB442789A - Improvements in automatic gripping devices for suspending sheets of material : en
  • GB442914A - Improvements in pistons : en
  • AU2086735A - Improvements in or relating to modulated carrier wave transmitters : en
  • USD98590S - Design fob a shoe sole : en
  • US2031189A - Nutcracker : en
  • US2031560A - Method and apparatus for treating rubber articles : en
  • DE625801C - Gear change transmission, especially for motor vehicles : de en
  • FR794558A - Improvements to electrically controlled machine tools : en fr
  • US2031091A - Clothesline prop : en
  • US2031161A - Handgrip member : en
  • US2031244A - Method of making hinge leaves : en
  • US2030990A - Cigarette package holder : en
  • US2030950A - Skiving machine : en
  • US2030991A - Azo dyes and methods for their preparation : en
  • US2031204A - Method for producing lubricating oil : en
  • US2031458A - Operating mechanism : en
  • US2031407A - Fastener : en
  • USD98640S - Design for an embroidered texth : en
  • DE625981C - Process for dewatering highly water-containing, oil-containing substances, in particular whale meat : de en
  • DE625996C - Process for the preparation of aminopyrene sulfonic acids : de en
  • DE625883C - Wheel carrier for attaching one or more spare wheels to a vehicle : de en
  • GB442970A - Improvements in or relating to automatic fuzes for grenades : en
  • FR794479A - Device carrying and preserving toilet articles : en fr
  • US2030878A - Safety glass : en
  • US2031374A - Dust mop cleaner and receptacle : en
  • US2030995A - Welded steel engine : en
  • US2031193A - Felling machine for seaming fabric sections : en
  • USD98606S - Design for a casserole : en
  • GB442960A - Improvements relating to electric switch gear : en
  • DE625856C - Device for preparing coffee infusions from green coffee beans : de en
  • DE626006C - Electrical switch for moving lines, especially heating pad switches : de en
  • FR794440A - Coasters for beer glasses and others : en fr
  • US2030857A - Electrical circuit analyzer : en
  • US2031114A - Demountable wheel : en
  • AU2315135A - Improvements relating to centrifugal apparatus for separation of dust and grit from air and gases : en
  • AU2143435A - Improvements in prepayment meters : en
  • US2030883A - Precipitation of mixed esters of cellulose : en
  • US2031442A - Adjustable handle : en
  • DE625898C - Toilet flushing device with air chamber : de en
  • DE626003C - Circuit arrangement for intermediate amplifiers in transmission exchanges : de en
  • US2030881A - Vessel : en
  • US2031230A - Field standard for testing liquid measuring devices : en
  • USD98654S - Design for a lamp base : en
  • US2030974A - Bracelet, or the like, structures : en
  • US2031246A - Rotary shear blade clamp : en
  • USD98593S - Design for a smoking stand : en
  • US2031486A - Process for the production of alloys of the alkaline earth metals with lead or other metals : en
  • US2031342A - Lighting device for automobiles : en
  • USD98638S - Design for a buckle : en
  • GB443043A - Improvements relating to adjustable windows : en
  • US2030890A - Control mechanism for machine tools and the like : en
  • US2030901A - Process for depolymerizing alpha substituted acrylic acid esters : en
  • DE555663C - Footwear with an inflexible bottom part arranged in the rear part of the shoe : de en
  • DE626056C - Method and device for flushing boreholes through the pneumatic hammer and hollow drill using liquid or foam : de en
  • CA355996A - Corner mount : en fr
  • CA356030A - Crimp nut : en fr
  • AU2051234A - Improvements insound excluding ventilating widows : en
  • CA355992A - Doubletree : en fr
  • DE626069C - System for the transmission of telecommunication currents, in particular carrier frequency currents, via four-wire telecommunication cables : de en
  • DE626127C - Cleaning device for ovens with a suction pipe connected to a fan : de en
  • US2030927A - Piston packing ring : en
  • CA355968A - Furnace or boiler : en fr
  • US2030888A - Machine tool : en
  • US2031184A - Brake head : en
  • US2031280A - Abrasive supporting pad and method of making the same : en
  • USD98616S - Design for a buckle : en
  • US2031229A - Tag : en
  • US2031429A - Eyelet socket : en
  • AU2118635A - Improvements in and relating to concrete block building construction : en
  • FR794443A - Method for the detection of dichlorodiethyl sulfide : en fr
  • AU2221235A - Wheeled tank apparatus for spraying bitumen emulsions andother liquid road binders : en
  • US2030907A - Cam generating machine : en
  • US2031254A - Heat insulated food package : en
  • US2031167A - Wire splicer : en
  • US2031252A - Process of slicing bread : en
  • US2031522A - Latch : en
  • DE625991C - Bottom valve for galvanized washing vessels : de en
  • GB443024A - Improvements relating to combination cabinet and like furniture : en
  • GB443142A - Improvements in switch units for electrically driven domestic apparatus : en
  • GB443181A - Game board : en
  • DK51270C - Encased steel electrode for electric arc welding. : da en
  • FR794655A - Steam and gas discharge tubes : en fr
  • GB443116A - Improvements in or relating to apparatus for treating or coating pipe walls and the like : en
  • US2031323A - Feed reversing mechanism for sewing machines : en
  • DE626130C - Process for pouring out export beers and sweet beers : de en
  • US2031017A - Keyboard : en
  • US2031044A - Safety pike : en
  • US2031538A - Process for metal casting : en
  • FR794534A - Substituted nitro- and aminochrysenes and process for their preparation : en fr
  • GB443209A - Improvements in and relating to apparatus for testing the balance of sports implements : en
  • US2031455A - Safety razor : en
  • CA355976A - Sound recording and advertising apparatus : en fr
  • CA356058A - Furnace : en fr
  • US2031160A - Slug-rejecting coin slide : en
  • US2031552A - Means for locking a door : en
  • DE624645C - Silo for grain and similar granular bulk material : de en
  • FR794611A - Light switch : en fr
  • US2030882A - Engine starting apparatus : en
  • US2031266A - Annunciator unit : en
  • US2030866A - Closed car wind deflector : en
  • US2031256A - Semiautomatic fifth wheel construction : en
  • US2031481A - Improvements in and relating to synthetic resins : en
  • DE626171C - Process for the production of valuable, especially low-boiling products from types of coal, petroleum, tars and the like. like : de en
  • FR794436A - Device for adjusting the admission of fuel in combustion engines for automobiles : en fr
  • USD98609S - Design fob a milk bottle : en
  • US2030913A - Detecting and amplifying system : en
  • US2031409A - Display device : en
  • US2030870A - Hydrocarbon oil treatment : en
  • US2030948A - Control circuit : en
  • US2031300A - Knitting machine thread carrier actuating means : en
  • USD98607S - Design fob a cup : en
  • DK51281C - Cooled Brake Drum for Vehicles, In particular Rail Vehicles. : da en
  • US2031533A - Column level gauge : en
  • CA356006A - Electric valve converting apparatus : en fr
  • CA356049A - Vehicle guide means : en fr
  • US2031235A - Support for conductors : en
  • US2031351A - Container fitting : en
  • US2031413A - Glass feeding device : en
  • CA356025A - Fluid dispensing apparatus : en fr
  • GB442950A - Improvements in or relating to the production of polyglycerol esters : en
  • US2031103A - Ultra short wave receiver : en
  • US2031329A - Automatic telephone system : en
  • US2031544A - Loading device for mining machines : en
  • US2030873A - Spring balanced door : en
  • US2031536A - Refrigerating apparatus : en
  • FR794690A - Process for eliminating disturbances in oscillatory phenomena : en fr
  • GB443115A - Apparatus to facilitate the building of walls : en
  • GB443198A - A process for treating acetate artificial silk in order to allow it to retain an overtwist : en
  • US2030975A - Mixture measurer : en
  • DE626128C - Drill for rotary deep drilling : de en
  • DE625986C - Illuminated circuit diagram : de en
  • USRE19858E - Refrigerating apparatus : en
  • DE626057C - Schraempicke with inserted hard metal cutter carrier : de en
  • US2031058A - Vat-dyestuffs of the anthraquinone series and process of making the same : en
  • FR794700A - Method and device for the treatment of liquids : en fr
  • DE625958C - Centrifugal machine for applying photosensitive layers to printing plates and the like. like : de en
  • US2030865A - Address plate : en
  • US2031128A - Electrolytic condenser and method of making the same : en
  • US2031504A - Manufacture of sulphur dioxide : en
  • DE625851C - Process for the production of water-insoluble azo dyes : de en
  • US2030916A - Door fastener : en
  • US2031284A - Adjustable drop-side for cribs : en
  • DE625903C - Process for the production of condensation products : de en
  • US2030965A - Emulsifier : en
  • USD98569S - Design for a shoe : en
  • US2030997A - Collar clasp : en
  • US2031025A - Hydrometer syringe : en
  • US2031395A - Internal combustion engine : en
  • DE625941C - Cheese cutting machine with two cutting devices consisting of a knife and cutting wire, arranged on a common material support : de en
  • DE626102C - Plate covered with suction cups : de en
  • DE626141C - Guy and suspension clamp for portable electrical lines : de en
  • DK51277C - Goods receiving device. : da en
  • FR794548A - Improvements in the construction of soundproof floors : en fr
  • US2030945A - Control switch mechanism : en
  • CA356068A - Clock : en fr
  • AU2126635A - Improvements in high frequency electric signalling systems : en
  • USRE19860E - heath : en
  • CA355974A - Motion picture apparatus : en fr
  • US2031115A - Sanitary toothbrush holder : en
  • US2031564A - Separable electrical contact device : en
  • DE626167C - Conveyor device : de en
  • DE626192C - Hand flat knitting machine with a pattern device that can be decoupled from its drive shaft : de en
  • FR794580A - Toothbrush : en fr
  • GB443003A - Improvements in labelling machines : en
  • CA355987A - Self-locking screw structure : en fr
  • US2031461A - Clothespole : en
  • US2031197A - Hot water bag cover and stand : en
  • USD98572S - Design for an oil burning cook : en
  • DE626266C - Process for the production of relief molds by molding colloid reliefs : de en
  • GB443196A - Improvements in or relating to pipe containers : en
  • US2031415A - Safety device for gas ranges, gas boilers, etc. : en
  • USD98656S - Design for leather or similar : en
  • AU2127035A - Improved means for effecting the removal of mud and other material from dams, ponds, water-holes and the like : en
  • US2031149A - Edge runner-like mixing and kneading machine : en
  • AU1973234A - Improved method of winding the stators or rotors of inductive electric motors : en
  • US2031380A - Lens blocking device : en
  • US2030946A - Manufacture of fiber products : en
  • US2031518A - Method of producing copper having high electrical conductivity and being free from oxygen : en
  • US2030893A - Cylinder head : en
  • US2031037A - Process for the manufacture of benzimidazoles having higher alkylgroups at the u-carbon atom : en
  • AU2262235A - Improvements in furnace construction : en
  • US2031390A - Brake : en
  • USD98580S - Articles of apparel : en
  • DE626159C - Joint bearing for motor vehicle hoods : de en
  • FR794404A - Improvements in fabric manufacturing : en fr
  • DE625976C - Arrangement for suppressing the harmonics in the alternating current of single-phase inductors or transformers premagnetized with direct current : de en
  • DE626078C - Method and device for hardening glass objects : de en
  • DE626101C - Method and device for molding chocolate bars with deposits : de en
  • DE625555C - Machine for sorting workpieces according to their thickness, especially shoe parts : de en
  • FR794535A - Maximum circuit breaker : en fr
  • GB442810A - Improvements relating to closures for bottles, canisters, tins and like containers : en
  • DE626263C - Device for storing workpieces on bag and bag machines or the like. : de en
  • US2031282A - Fuel feeding system : en
  • US2031382A - Stock-car partition : en
  • GB442922A - Device for cooling liquids : en
  • GB443118A - Improvements in and relating to welding circuits : en
  • DE625868C - Clutch friction disc : de en
  • DE625890C - Fleece winder for spinning preparation machines with automatic lap changing device : de en
  • GB442814A - Improvements in or relating to carpet sweepers : en
  • GB443199A - Improvements in or relating to salvaging or safety devices for ships : en
  • US2030959A - Knitted mitten and method of making the same : en
  • US2031548A - Plowshare : en
  • USD98651S - Design fob a handle bab : en
  • FR794652A - Improvement in processes to transform gaseous hydrogen carbides into liquid hydrogen carbides : en fr
  • GB442794A - Improvements in or relating to frames and covers of road manholes and the like : en
  • GB443202A - Sound damping and insulating material : en
  • US2031425A - Heat exchanger : en
  • GB443121A - Improvements in or relating to tuning indicators for wireless receiving sets : en
  • DE582082C - Terraced house with outside walkway : de en
  • CA356020A - Paper container making apparatus : en fr
  • DE626039C - Spoke lock for bicycles : de en
  • USD98620S - Design for a watch bracelet : en
  • US2031102A - Photoelectric tube : en
  • US2031201A - Attachment for comparators : en
  • USD98599S - Design for a bottle : en
  • US2031214A - Process and apparatus for dewaxing oil : en
  • US2031257A - Emergency wheel : en
  • US2031034A - Fidelity control circuits : en
  • US2031378A - Battery terminal post : en
  • FR794417A - Process and installation for the production of cold, in combination with thermal use of the refrigerant used : en fr
  • FR794573A - Elastic device for cushions, seats, mattresses and the like : en fr
  • FR794499A - Small item packaging improvements : en fr
  • FR794519A - Process for controlling the arc blowing of electric switches by pressurized gas : en fr
  • GB442796A - Mechanism for printing dates and the like on labels : en
  • DE626203C - Bowl holder : de en
  • US2031106A - Production of oscillations : en
  • US2031217A - Guard for automotive vehicle bumpers : en
  • GB442917A - Improvements relating to motor vehicle underframes : en
  • US2031547A - Potato planter : en
  • US2030845A - Indicator for game apparatus : en
  • GB443127A - Improvements in or relating to containers for cosmetic and like preparations : en
  • GB442799A - Improvements in the manufacture of pneumatic tyre covers and apparatus therefor : en
  • DE626232C - Lampshade or reflector made of transparent or translucent material other than glass : de en
  • FR794414A - Improvements to mechanisms for applying to a web of material to be wrapped continuously advancing small pieces of a covering material or to form ends : en fr
  • FR794428A - Device enabling the braking of the front or rear wheels to be made integral or independent in vehicles fitted with hydraulic brakes : en fr
  • FR794516A - Artificial thatched roofs and their production processes using tiles of various and new designs : en fr
  • US2031151A - Valve : en
  • GB442898A - Apparatus for inspecting the interiors of tanks and like containers : en
  • FR794520A - Propeller refinements : en fr
  • FR794526A - Device for transforming mowers into combine harvesters : en fr
  • CA355998A - Cellulose pulp washing apparatus : en fr
  • DE625957C - Rotatable galvanizing drum with an internal feed device : de en
  • US2031277A - Corn husking machine : en
  • GB443000A - Method of and apparatus for impregnating pads of cotton or other material with oil or other lubricating agent : en
  • FR794542A - Arc extinguishing device for electrical circuit breaker contacts in oil : en fr
  • FR794492A - Detachable non-slip belt for vehicle tires : en fr
  • GB443194A - Improvements in electric spot-welding installations : en
  • GB443059A - Barrel cleaning cartridge for use in firearms : en
  • US2031216A - Textile working device : en
  • GB443029A - Portable collapsible water tank and carrier for the same : en
  • FR794411A - Airtight connection between objects made of inorganic insulating materials and metal : en fr
  • FR794537A - Mine lamp : en fr
  • FR794599A - Device for varying the electrical coupling between two resonance circuits : en fr
  • DE626034C - Drive device for motor vehicles with caterpillars and drive wheels mounted on pivoting arms : de en
  • DE626255C - Penumbral polarizer : de en
  • US2031531A - Jar closure : en
  • FR794601A - Dangerous potential indicator for aerostats : en fr
  • GB442975A - Improvements in tennis racquets : en
  • FR794471A - Improvements to valves and separators : en fr
  • FR794437A - Improvements in the heat treatment of carbonaceous materials using hydrogenating gases : en fr
  • GB443041A - Improvements in hydraulic motors or pumps : en
  • USD98618S - Design for a link for a watch : en
  • USD98625S - Design fob a stereoscopic viewer : en
  • DE625978C - Process for the production of lacquers and varnishes : de en
  • GB443136A - Improvements in and relating to automatic lathes : en
  • GB443146A - An improvement in washing machines : en
  • GB442802A - Improvements in and relating to floors for buildings : en
  • GB443033A - Improvements in or relating to hydraulic braking systems : en
  • FR794628A - Safety device for connecting the links of the tracks : en fr
  • GB443009A - Improvements in or relating to percussive tools : en
  • US2031278A - Hose support : en
  • DE625857C - Hot water generator for brewing purposes : de en
  • FR794497A - Improvements to cinematographic devices : en fr
  • US2030929A - Stool and auxiliary pedal for pianos : en
  • DE626115C - Sieve insert for centrifugal drums : de en
  • DE626252C - Alloy based on copper-zinc : de en
  • FR794581A - Improvement in calenders : en fr
  • FR794664A - Electric motor vehicles for normal roads : en fr
  • GB443109A - Improvements in circular looms : en
  • GB443087A - Improvements in and relating to electric discharge vessels of glass : en
  • US2031389A - Packed, flexible, conduit joint : en
  • DE626162C - Split rim for wire rope tires : de en
  • DE626258C - Process for the production of smooth, electroplated sheet metal and other rolled products : de en
  • US2031506A - Handbag : en
  • DE626160C - Twin wheel for trucks : de en
  • US2031577A - Wire clip and handle : en
  • DE626156C - Forms for window envelopes with angled fold : de en
  • FR794478A - Manufacture of sulphides by means of sulphates : en fr
  • US2030887A - Method of making sodium and zinc sulphides : en
  • GB442930A - Apparatus for giving movements applicable to the obtaining of publicity effects : en
  • GB442831A - Improvements in and relating to sheet-feeding mechanism for stencilling machines : en
  • GB442953A - Improvements in governing devices for controlling the flow of fluid through a conduit : en
  • GB443147A - Improvements in ovens or kilns : en
  • US2031026A - Iron attachment : en
  • US2031139A - Controlling apparatus for : en
  • DE626011C - Oil burner with internal generation of the atomization steam : de en
  • DE626049C - Electric daylight lamp : de en
  • DE625855C - Machine for the automatic preparation of coffee drinks or the like. : de en
  • US2031124A - Chaise longue : en
  • AU2126735A - Improvements in apparatus producing or using ultrahigh-frequency electric oscillations : en
  • GB442925A - Improvements in or relating to machines for scutching or picking cotton : en
  • DE625894C - Device for conveying in blind shafts : de en
  • DE625909C - Process for the production of matt-glossy artificial silk by spinning cellulose spinning solutions to which matting additives have been added : de en
  • GB442850A - Improvements in and relating to the production of explosives : en
  • US2031116A - Safety outlet closure for conveyers : en
  • US2030999A - Ink : en
  • US2031568A - Building construction : en
  • FR794445A - Key ring : en fr
  • DE626206C - Safety and display device for cranes with variable radius : de en
  • DE625905C - Circuit arrangement for telephone systems according to the caller system with participants of different traffic authorization : de en
  • DE625950C - Motorized agricultural machine for deep cultivation : de en
  • GB443018A - Improvements in and relating to directional wireless transmitting and receiving systems : en
  • DE625847C - Electric heating resistor for high temperatures : de en
  • DE626096C - Ignition coil : de en
  • FR794594A - Syringe-kit : en fr
  • GB442951A - Improvements in or relating to radio receivers : en
  • GB443076A - Improvements in the manufacture of staple fibres : en
  • US2031367A - Display device : en
  • GB442998A - Improvements in or relating to game-scorers and declaration indicators : en
  • US2030939A - Internal combustion engine and automatic control therefor : en
  • US2031360A - Hydraulically or liquid pressure operated brake : en
  • DE626240C - Phase dependent vibratory galvanometer : de en
  • AU2295335A - Improvements in swimming apparatus : en
  • GB443197A - Hydrostatic densimeter : en
  • GB443559A - Improvements in the manufacture and production of valuable watersoluble condensationproducts suitable as assistants in the textile and related industries : en
  • GB442895A - Process and apparatus for the production of pig-iron : en
  • US2031237A - Refrigeration apparatus : en
  • GB442807A - Improvements in radio receivers for telephony, television and the like, in combination with counter or coin collectors : en
  • US2030955A - Brake system : en
  • US2031070A - Metal coated article and process of manufacture thereof : en
  • US2031165A - Milk strainer : en
  • FR794614A - Manufacturing process for breech boxes, movable breeches or similar parts of rifles : en fr
  • FR794647A - Trap for animals, especially rodents : en fr
  • DE626125C - Self-collecting indicia device for printing different value stamps on letters or the like. : de en
  • US2031163A - Method and torch for burning liquid fuel : en
  • DE626248C - Device for cutting onions, fruits u. like : de en
  • DE626265C - Process for producing master copies containing both images and writings : de en
  • DE626259C - Tin can with hand lock : de en
  • US2031220A - Humidifying system : en
  • DE626070C - Device for remote control of switches : de en
  • US2031273A - Dental instrument : en
  • US2031079A - Device for the rewinding of photographic films : en
  • US2031154A - License plate holder for automobiles : en
  • GB442927A - Improvements in and relating to method and apparatus for cleaning exhaust-filters for internal combustion engines : en
  • US2030926A - Kerf-cutting machine : en
  • US2031388A - Dredging apparatus : en
  • DE625940C - Pocket mirror consisting of two foldable parts with a comb : de en
  • DE626137C - Fastening device for cylinder : de en
  • GB442888A - Improvements in driving units, incorporating an electric motor and drive transmitting means : en
  • FR794660A - Portable device to supply breathing by a reserve of compressed air : en fr
  • DE625886C - Ship stabilization system : de en
  • DE626254C - Device for adjusting a movable adjusting element attached in a flow opening, for example in a pipeline, as a function of the flow rate : de en
  • FR794464A - Piston seals for combustion engines : en fr
  • GB442980A - Process for the production of ammonium nitrate having a low weight per unit volume : en
  • GB443137A - Improvements in and connected with filters : en
  • GB442848A - Improvements in or relating to thermo-regulator taps for radiators for central heating : en
  • GB443010A - Improvements in the treatment of glauconite : en
  • US2031364A - Hydraulic gear shift : en
  • FR794451A - Improvements to sound reproduction systems : en fr
  • FR794651A - Feeding device for high pressure greasing presses : en fr
  • FR794668A - Improvements in bell spinning machines : en fr
  • FR794454A - Advanced arch to support the foot joint : en fr
  • DE626256C - Belt connection : de en
  • FR794490A - Accounting device without postponements : en fr
  • FR794468A - Improvements to tubular members intended for the manufacture of seats, bed bases and the like : en fr
  • DE618468C - Method and device for testing the strength and evenness of yarn : de en
  • DE625436C - Pump arrangement for metal vapor apparatus, in which the mercury storage vessel of the pump communicates with a collecting device for mercury arranged in the pump line surrounded by a cooling jacket : de en
  • US2031565A - Power transmitting belt : en
  • GB442805A - Improvements relating to tennis balls : en
  • DE626123C - Air-cooled stand for housing-less electrical machines : de en
  • GB442961A - Improvements relating to trench digging excavators : en
  • GB443057A - Improved installation for the washing of vehicles : en
  • GB443122A - Improvements in devices for closing doors : en
  • US2031134A - Facsimile system : en
  • GB442932A - Improvements in or relating to mercury or other conducting liquid electric switches : en
  • FR794547A - Device for controlling the brakes of a vehicle : en fr
  • GB442957A - Improvements in or relating to electrically heated kettles : en
  • US2030952A - Rotary pump or compressor : en
  • DE626007C - Bridge circuit, in particular for measuring purposes, which consists of a square circuit and a star circuit complementing the square circuit : de en
  • US2031030A - Metallic coating recovering device : en
  • US2031285A - Hair curler : en
  • DE626186C - Device for testing a quick-acting device for power machines, especially steam turbines : de en
  • FR794484A - Pressure-resistant seal, between two rotating bodies with the same axis : en fr
  • GB442986A - Improvements in or relating to electrical signalling systems : en
  • DE626135C - Steam water trap with a fluid-containing expansion body formed from bellows : de en
  • US2031182A - Incandescent lamp : en
  • US2031140A - Wireless aerial for use on short waves : en
  • US2031233A - Container : en
  • US2031428A - Boat hull structure : en
  • FR794502A - Attaching the rocker to the rocker lever in the rocker switches : en fr
  • FR794685A - Mercury steam boilers : en fr
  • US2031530A - Mounting for rimless lenses : en
  • US2030848A - Brake : en
  • US2031309A - Valve : en
  • DE619268C - Length measuring device : de en
  • DK51276C - Height-adjustable chair, especially for use by hairdressers. : da en
  • FR794589A - Process for preparing vulcanizable compositions and articles derived from such compositions : en fr
  • US2031314A - Draft hood : en
  • DE626235C - Mercury steam boiler : de en
  • DE625951C - One-piece concave for blow bar threshing machines : de en
  • FR794538A - Locking for trailer coupling : en fr
  • FR794625A - Quiet : en fr
  • FR794681A - Thruster for toys and other uses : en fr
  • US2031170A - Vehicle indicating lamp : en
  • DE626099C - Control for copy milling machines with a sensor spindle that can be swiveled in all directions : de en
  • DE626238C - Pole clamp for accumulators and other batteries with protruding pole bolts : de en
  • DE626244C - Modification of the method for isolating earth cores, especially for communication lines : de en
  • GB442971A - An improved ash scoop or shovel : en
  • USRE19857E - Carrier wave receiver : en
  • US2031143A - Ortho-(aminoaroyl)-benzoic acids and inner anhydrides thereof and process of preparing them : en
  • USD98584S - Design for a button : en
  • US2031294A - Egg breaking and separating machine : en
  • US2031255A - Bathtub : en
  • US2031338A - Window sash : en
  • US2031386A - Printing and depositing mechanism : en
  • DE626217C - Process for salt glazing ceramic products : de en
  • US2030847A - Mixing machine : en
  • US2030947A - Braid : en
  • AU2325535A - Improvements in or relating to rotary pumps, vane motors blowers, exhausters and like rotary engines : en
  • US2030931A - Electron coupled thermionic oscillator : en
  • DE626095C - Interrupter for ignition devices : de en
  • DE626154C - Process for cleaning edible fats : de en
  • AU2104735A - Improvements in sound excluding ventilating windows : en
  • US2030889A - Mount for machine guns : en
  • US2031125A - Spherical machine : en
  • US2031319A - Belt drive : en
  • DE626005C - Pipe connection sleeve for pipelines, especially those in which electrical cables are laid : de en
  • DK51288C - Ajlnedfælder. : da en
  • US2031287A - Wall table : en
  • CA356060A - Inhaling bottle : en fr
  • US2030905A - Tie holder : en
  • DE625915C - Method and device for reinforcing structural bodies, such as high-pressure pipes, columns and. like : de en
  • CA356012A - Electrical regulating system : en fr
  • DE626152C - Self seller : de en
  • GB442964A - Improvements in or relating to the concentration of latex : en
  • GB442992A - Improvements in or relating to instruments for indicating temperature : en
  • US2031501A - Reel : en
  • AU2245035A - Process for copying the tracing of photographic sound impressions : en
  • US2030850A - Grinding machine : en
  • US2031206A - Compound and compositions containing same : en
  • US2031527A - Controlling means for fuel injection engines : en
  • FR794632A - Improvements to processes and devices for adjusting free-piston auto-generators : en fr
  • CA356035A - Card index cabinet : en fr
  • US2031006A - Pour pail : en
  • USD98634S - Design foe a cabinet : en
  • DE626209C - Sieve device for milk : de en
  • DK51289C - Waistband with elastic inserts for garments. : da en
  • US2031569A - Verifying machine for perforated records : en
  • AU2171035A - An improved galvanic cell : en
  • CA355994A - Spark arrester : en fr
  • US2031210A - Process and apparatus for dewaxing oil : en
  • CA355983A - Egg package : en fr
  • CA355979A - Building erection system : en fr
  • CA355966A - Door and gate opener : en fr
  • DE626176C - Stand drill for dental purposes : de en
  • GB442985A - Flux for cadmium and its alloys : en
  • DE625795C - Valve control for steam and internal combustion engines : de en
  • US2030940A - Motor fuel products : en
  • US2031121A - Valve structure : en
  • US2031580A - Procedure and apparatus for making window bags and wrappers : en
  • US2031517A - Brake : en
  • US2030992A - Flexible closure for containers and the like : en
  • US2031146A - Automatic watering device : en
  • USD98597S - Design for an ensemble dress : en
  • DE617311C - Abrasive or wiping cloth made of absorbent fabric with an applied rubber layer : de en
  • FR794597A - Improvement in the manufacture of alloys in which copper dominates : en fr
  • US2031085A - Method of forming metal containers : en
  • CA356017A - Wool-like fibre production : en fr
  • CA355989A - Transmission mechanism : en fr
  • GB443037A - Improvements relating to sliding doors : en
  • US2030920A - Color engraving process : en
  • US2031410A - Purification of gas from oxides of nitrogen : en
  • US2031399A - Automobile power take-off mechanism : en
  • US2031049A - Apparatus for manufacturing and treating cement clinkers : en
  • US2031473A - Shade roller : en
  • DE625849C - Pressure plate with electrical heating by tubular heating elements for heating presses : de en
  • FR794447A - Preservation process for natural fertilizers : en fr
  • FR794694A - Automotive concrete mixer : en fr
  • US2031443A - Method of producing creamery products : en
  • USD98573S - Design fob an oil burning cook : en
  • US2031205A - Process for solvent extraction of oils : en
  • USD98615S - Design fob a bedstead : en
  • CA356023A - Paper feeding apparatus : en fr
  • DE625969C - Paper roll drive for rotary printing machines : de en
  • US2030978A - Bumper : en
  • US2031537A - Spring axle : en
  • GB442877A - A thin, flexible, adhesive foil : en
  • DE626245C - Socket with hydraulically or pneumatically operated expansion bushings for electrodes of electric oen : de en
  • DE625831C - Stretch yarn dyeing machine : de en
  • DE626103C - Device for the optical copying of lenticular films : de en
  • DE625860C - A hot water drain tank provided with a display device used to monitor the water content : de en
  • FR794521A - Process for the preparation of food products or pies containing beaten eggs, in particular for diabetics : en fr
  • FR794514A - Remote control and telemetry device : en fr
  • GB443054A - Improvement in apparatus for filling foundry flasks : en
  • GB442842A - Dentist's forceps for removing the crown-ring of tooth : en
  • US2031357A - Combination precision grinder and calipers : en
  • US2030871A - Chase : en
  • FR794606A - Improvement of high viscosity organic cellulose esters and their preparation process : en fr
  • FR794642A - Improvements in the manufacture of fabrics and articles of clothing : en fr
  • DE625813C - Process for the preparation of sulfonic acid and carboxylic acid compounds of the 1,1'-Di : de en
  • US2031111A - Carton and blank for forming the same : en
  • DK51290C - Combined Seeder for Sowing Seeds and Fertilizers. : da en
  • FR794551A - Fruit juicer : en fr
  • FR794657A - Advanced stabilization device increasing aircraft flight safety : en fr
  • DE626068C - Electrical insulating compound containing resin acid anhydrides : de en
  • DE626000C - Clamping device for loose-leaf bookkeeping : de en
  • FI16934A - Wind turbine : en fi
  • FR794425A - Machine that can work as a vacuum cleaner and as a compressor : en fr
  • USD98619S - Design for a link for a watch : en
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  • DE626028C - Starter engine for internal combustion engines : de en
  • US2030962A - Moistureproof material and method of making same : en
  • US2030994A - Cultivator : en
  • FR794457A - Lighting device for sewing machines : en fr
  • US2031322A - Self-locking motor control : en
  • FR794442A - Filter, intended to be used in particular for ventilation of premises : en fr
  • US2031176A - Child's play vehicle : en
  • DE626187C - Device on writing business machines to secure the writing limit on the lower edge of the writing sheet : de en
  • DE625900C - Process for the preparation of unsymmetrical thioureas : de en
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  • GB443035A - Improvements in bottles and like containers and closures therefor : en
  • FR794635A - Glass tempering improvement : en fr
  • GB443110A - Improvements in or relating to equipment for projecting pictures and reproducing sound from a film : en
  • US2031516A - Circuit controller : en
  • GB442878A - Improvements in or relating to methods of carbonising metals : en
  • GB442952A - Improvements in and relating to apparatus for papering walls and the like : en
  • FR794584A - Fish slicing machine : en fr
  • IE13451L - Closure for receptacles : en
  • DE625859C - Strainer : de en
  • GB442944A - Improvements in or relating to reels or drums for wires or cables : en
  • US2030861A - Tire retreading mold : en
  • US2031483A - Hairpin clasp : en
  • US2031245A - Method of dressing fabrics : en
  • US2031350A - Steel container fitting : en
  • DE626113C - Schuettelrutsche, especially with vibrations over 600 / min. and oscillation amplitudes below 1 cm : de en
  • GB443107A - Improvements in protected metal articles : en
  • FR794527A - Heat recovery system for fire-rated vessels : en fr
  • GB442924A - Improvements in or relating to hopper feeders for feeding cotton to scutching or picking machines : en
  • FR794568A - Improvements to gear change selector mechanisms : en fr
  • US2031267A - Preservative means for ropes and the like : en
  • US2031372A - Gate valve : en
  • US2031519A - Shaving device and the like : en
  • US2031447A - Automatic reclosing circuit breaker system : en
  • US2031563A - Fastener installation and fastener for the same : en
  • US2031307A - Meat holder : en
  • DE626136C - Drawing-in machine for annealing and pickling systems : de en
  • FR794410A - Fitting for bed frames : en fr
  • FR794488A - Improvements to the support rails used in windows and displays for composition of texts or prices : en fr
  • DE626008C - Circuit arrangement with electron tubes : de en
  • FR794610A - Capping system : en fr
  • GB442853A - Improvements in the manufacture of titanates from titanium ores rich in iron : en
  • GB443040A - Improvements in pipe joints : en
  • FR794560A - Improvements to taps : en fr
  • USD98591S - Design for a bridge for eyeglasses : en
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  • DE625908C - Process for the production of windings for high currents : de en
  • FR794637A - Clutch Mechanism : en fr
  • DE626166C - Neck bearing for wagon spinning spindles : de en
  • FR794427A - Control clock for periodic absorption refrigeration units : en fr
  • FR794544A - Automatic firearm : en fr
  • FR794513A - Expansion of the converter tanks of existing installations while retaining the existing columns : en fr
  • AU2249235A - Improvements in or relating tothe production of photographic sound records : en
  • GB442841A - Improvements in, or relating to, change-over switches for electric cooking and heating appliances : en
  • DE617131C - Safety air hose for motor vehicles and bicycles : de en
  • DE625846C - Method of attaching rotary capacitor plates : de en
  • DE626219C - Air and gas separators for conveyor systems for liquid fuels : de en
  • GB443135A - Improvements in materials for combatting pests : en
  • DE626098C - Thermostatically operated valve for temperature controller or the like. : de en
  • FR794613A - Improvements to guiding devices for rectilinear movement, and particularly to those intended for guiding the wheels of independent suspension motor vehicles : en fr
  • US2031261A - Seal-flap gumming and drying in envelope machines : en
  • US2031317A - Tractor : en
  • US2031456A - Pump construction : en
  • US2031499A - Adjustable repair clamp for bell and spigot joints : en
  • AU2269035A - Improvements in power shovel operating mechanism : en
  • AU2121035A - Improved appliance for tennis practice : en
  • US2031507A - Electric candle : en
  • CA356001A - Dispensing trailer : en fr
  • USD98601S - Design for a bottle : en
  • CA356019A - Floor covering : en fr
  • FR794634A - Process for manufacturing cyanine dyes : en fr
  • GB442987A - Improvements in and relating to harrows : en
  • US2031260A - Infusible synthetic resins and process of making same : en
  • US2030924A - Signaling system : en
  • US2031253A - Oil testing device : en
  • US2031570A - Machine for making drums, kegs, and the like : en
  • US2030938A - Mine car : en
  • US2031554A - Recovery of the gases and dust evolved in the electrolytic manufacture of aluminium : en
  • SE85620C1 - : sv
  • US2031265A - Reenforcement supporting chair : en
  • US2031332A - Gaseous fuel mixing valve : en
  • US2031036A - Composition of matter and method : en
  • AU2245535A - Improvements in or relating to electric power transmission and distribution : en
  • GB443119A - Improvements in the manufacture and production of cyanuric acid : en
  • GB442890A - Valve closure : en
  • US2031040A - Refrigerator car door : en
  • CA355969A - Poster exhibiting means : en fr
  • CA356062A - Drilling jar : en fr
  • DE626214C - Aircraft assembly : de en
  • FR794511A - Device for taking or reproducing sound films with a number of sound recordings arranged parallel to each other : en fr
  • DE626082C - Process for the production of a coating compound for road surfaces or paving blocks using rubber : de en
  • DE626224C - Braun tube with directly heated glow cathode : de en
  • GB443214A - Improved method of applying coatings of alkali or alkaline earth metals : en
  • US2031009A - Sander : en
  • US2031061A - Fluid control valve for vacuum brake systems : en
  • DE625891C - Whip top that can be opened by means of a drill spindle : de en
  • FR794496A - Counter for cinematographic devices : en fr
  • US2031038A - Lawn mower attachment : en
  • US2031159A - Assembly tool for lock cylinders : en
  • US2031029A - Container : en
  • US2031368A - Method of lubrication and lubricant therefor : en
  • USD98586S - Design fob a buckle : en
  • CA356054A - Self closing faucet : en fr
  • FR794449A - Protective device for window and door openings : en fr
  • GB443067A - Improvements in or relating to binding arrangements for sheets and leaflets : en
  • DE625884C - Vehicle wheel with removable rim : de en
  • DE625928C - Electric motor-operated hand machine tool : de en
  • DE626220C - Circuit arrangement for the optional control of the transmitting and receiving devices of conveyor systems, in particular for electric mail and cable mail systems : de en
  • US2030856A - Plug connecter : en
  • US2031355A - Wheel and wheel cover : en
  • US2031556A - Shovel : en
  • US2030953A - Automatic variable pitch propeller : en
  • US2031023A - Rhodamine coloring matters and process for preparing the same : en
  • US2031224A - Thermionic oscillation generator : en
  • DE625899C - Weft coil replacement device : de en
  • FR794696A - Leakage transformer for supplying light tubes : en fr
  • DE626213C - Screw pump : de en
  • DE626270C - Device for tipping railway wagons on road vehicles : de en
  • US2030914A - Brake testing apparatus : en
  • US2031042A - Internal combustion engine : en
  • US2031199A - Coal burner : en
  • FR794541A - Electric switch-combiner with pivoting finger contacts : en fr
  • DE625982C - Measuring device for testing the air resistance of respiratory protection filters : de en
  • DE625954C - Shielding cap for spark plugs : de en
  • DE625952C - Pistons for internal combustion engines : de en
  • DE626091C - Device for totalizing items by electromagnetic means : de en
  • CA355978A - Insecticide : en fr
  • CA356009A - Dynamo-electric machine : en fr
  • GB442820A - Improvements in and relating to lathes : en
  • GB442983A - Laundry clip attacher : en
  • GB443114A - Improvements in advertising devices : en
  • FR794633A - Device for attaching the handle to brooms, parquet brushes, hammers and other utensils or tools with handles : en fr
  • FR794522A - Protective cover for notebooks and similar items : en fr
  • GB442939A - Improvements in multiple-filament motor car lamps : en
  • GB443006A - Improvements in or relating to iris diaphragms : en
  • FR794450A - Piston improvements : en fr
  • IE14112L - Drying linen yarn : en
  • US2031377A - Hair curling device : en
  • US2031073A - Direction finder compensator for direct reading of true bearings : en
  • US2031250A - Repair device for cream separator disks : en
  • US2031540A - Broadcast seeder : en
  • US2031431A - Quenching oils : en
  • FR794483A - Cabinet comprising a refrigerating appliance : en fr
  • GB442956A - Improvements relating to means or appliances for testing and training the human vision : en
  • GB443367A - Improvements in colour photography : en
  • DE625980C - Lubricating device with oil containers provided in the control room for sliding slides arranged in gas meters with creeping control, which move in planes inclined to one another : de en
  • DE626036C - Fluid transmission, especially for motor vehicles : de en
  • DE626247C - Dentifrices : de en
  • FR794575A - New anthraquinone series dyes : en fr
  • GB443008A - Improvements in methods of producing sulphur by the reduction of sulphur dioxide : en
  • GB443290A - Improvements in or relating to stiffening material adapted for use in the manufacture of boots and shoes and in or relating to the manufacture of such material : en
  • US2031136A - Controlling delivery fan : en
  • USRE19856E - Method of and machine for making : en
  • FR794458A - Electric device for automatic ignition of town gas burners, butane, etc. : en fr
  • FR794682A - Spoon for dosing and dispensing granulated products : en fr
  • GB442892A - Improvement in methods of producing concentrated milk constituents : en
  • US2031099A - Cross-roll apparatus : en
  • AU2141835A - Improvements in staple fibre yarns and their manufacture from continuous filaments : en
  • AU2360835A - Improvements in or connected withthe making of mortar-bound macadamised roads : en
  • GB443631A - Improvements in the manufacture and production of valuable water-soluble condensation products suitable as assistants in the textile and related industries : en
  • FR794670A - Tissue paper manufacturing process : en fr
  • GB443031A - Improvements in or relating to television and like systems, and circuits therefor : en
  • DE625922C - Swivel joint for hot gas lines, e.g. for tiltable Siemens-Martin ovens and mixers : de en
  • DE625896C - Torsion-resistant mortise gate : de en
  • US2030988A - Coil winding machine : en
  • US2031385A - Panel chamfering machine : en
  • US2031452A - Electrical regulating system : en
  • DE626064C - Inner drum brake for rail vehicles : de en
  • US2031002A - Oil field derrick post : en
  • DE626062C - Copy device for ring books, especially card books : de en
  • DE626042C - Conveyor and demoulding device on longitudinally divided molds for the production of moldings from concrete or similar materials : de en
  • DE626230C - Electrically heated porcelain tunnel oven : de en
  • GB442982A - Improvements in and relating to a pack of cards for playing card games : en
  • US2031098A - Device for protecting concrete : en
  • US2031479A - Shoe sewing machine : en
  • USD98622S - Design for a watch bracelet : en
  • US2030891A - Rolling mill roll, method of making same, and product of such roll : en
  • USD98621S - Design for a link for a watch : en
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  • US2031553A - Tank for storage of liquids, especially hydrocarbons : en
  • US2031482A - Vehicle spring suspension : en
  • US2030869A - Multi-ply glass sheet glazing unit : en
  • CA356053A - Oil burner supplying unit : en fr
  • US2031396A - Traffic marker : en
  • USD98637S - Design for an adjustable chair : en
  • US2030969A - Scraper blade : en
  • US2031035A - Method of making moistureproof paperboard and the like : en
  • US2031264A - Device for sacking sliced bread and the like : en
  • US2031276A - Combination grid and cover for ice trays : en
  • US2030968A - Eyeglass lens : en
  • US2031113A - Alloys : en
  • US2031325A - Eyelet assembly : en
  • US2031296A - Disconnect plug and receptacle : en
  • USD98642S - Design for an oil burning cook stove : en
  • DE626071C - Measuring device : de en
  • FR794673A - Jet breaker : en fr
  • GB442918A - Improvements relating to vertical retorts for the carbonisation of coal and the like : en
  • CA356037A - Cellulosic material purification : en fr
  • DE626275C - Process for the production of supporting side walls for passenger vehicles with welded box-shaped longitudinal beams and pillars : de en
  • FR794452A - Control unit with control curve : en fr
  • DE625998C - Evaporator for a steam generator indirectly heated by a circulating heat carrier : de en
  • GB442817A - Improvements in magnetic compasses : en
  • US2031239A - Process for the utilization of sugarcane bagasse : en
  • US2031420A - Device for opening jars : en
  • US2031437A - Gas washer : en
  • US2031288A - Electric arc welding apparatus : en
  • US2031495A - Apparatus for and method of loading guns for dispensing viscid or semiliquid materials : en
  • US2031488A - Check for piano actions : en
  • US2031528A - Wire broadcasting system : en
  • DK51287C - Method for Reducing or Excluding the Effect of Proteolytic Enzymes. : da en
  • DE625948C - Reading device for liquid compasses : de en
  • DE625993C - Easel file : de en
  • CA356022A - Perforated record controlled machine : en fr
  • US2031225A - Finishing stencil : en
  • US2030840A - Smokestack painter : en
  • US2031152A - Manufacture of alloys of iron, chromium, nickel, and copper : en
  • US2031198A - Photophone : en
  • US2031274A - Apparatus for cooling warm milk : en
  • GB442949A - Improvements in the manufacture and production of vat dyestuffs : en
  • US2031076A - Electric oscillator : en
  • AU2005234A - Improvements in or relating to cigarettes : en
  • DE625907C - Process for checking the network compensation in high-voltage networks protected by earth fault extinguishing devices without impairing operation : de en
  • US2031081A - Electric current collector : en
  • US2031349A - Bumper : en
  • FR794481A - Process for the preparation of new azo dyes : en fr
  • GB442797A - Improvements in apparatus for separating dust from gases : en
  • GB442913A - Improvements relating to work holders for use in electro-plating and like operations : en
  • GB443063A - Improvements in and relating to processes for the purification of nitro-benzene : en
  • CA356028A - Semi-abrasive fabric : en fr
  • US2031207A - Compensated wattmeter : en
  • US2031550A - Refrigerating apparatus : en
  • DE625925C - Slide disconnector with ball contacts : de en
  • US2030908A - Dispensing apparatus : en
  • US2031126A - Spherical machine : en
  • US2031185A - Positive screen image : en
  • USD98649S - Design for a cabinet : en
  • CA355965A - Shears stop : en fr
  • US2031434A - Conductor reel : en
  • US2031209A - Imitation linen fabric : en
  • US2031222A - Machine for transferring designs : en
  • US2031463A - Earth moving device : en
  • DE625994C - Process for the production of cymene and optionally toluene from terpenes or substances containing terpenes : de en
  • US2031489A - Stable depilatory : en
  • US2031069A - Stabilization of oils and fats : en
  • US2031247A - Transmission : en
  • DE626090C - Printing unit for cash registers or accounting machines : de en
  • FR794423A - Removable rigid boat : en fr
  • GB442966A - Improvements relating to strainers for foot-valves : en
  • FR794607A - Process for preparing a novel oxycarboxylic acid and dyes derived from this acid : en fr
  • FR794419A - Bodywork refinements : en fr
  • FR794680A - Combined device for recalibrating, defusing, re-priming and crimping hunting sockets : en fr
  • GB442833A - A machine for boring taper holes : en
  • DE625959C - Arrangement for drying photographic prints : de en
  • FR794561A - Non-flammable plastic masses : en fr
  • GB442838A - Improvements in and relating to electric motor control systems : en
  • US2031509A - Electric control means : en
  • DE625651C - Drilling crane with discount device : de en
  • DE626004C - Device for measuring the operating status, in particular the respective charge and discharge status, of an electrical collector battery : de en
  • USD98655S - Design fob a storage battery case : en
  • DE626175C - Power supply contact piece for electrical arc welding that can be moved with the welding electrode : de en
  • GB442947A - Improvements in or relating to the control of variable attenuation networks for alternating current signalling or like systems : en
  • GB443362A - Improvements in a combined device of a ship's propeller enclosed by a nozzle : en
  • US2030971A - Operator's telephone circuit : en
  • US2031005A - Machine for inserting bottles, etc., into tight fitting bags : en
  • US2031096A - Process for producing lubricating oil : en
  • FR794697A - Device intended to tune a system of lick wires made up of two parallel conductors of the same length : en fr
  • GB442990A - Improvements in and relating to injection moulding mechanisms : en
  • US2031406A - Vat dyestuffs of the anthraquinone-2.1(n) benzacridone series : en
  • US2031077A - Wireless direction finding, bearing finding, and similar system : en
  • US2030923A - Display refrigerator accessory : en
  • FR794474A - Ribbon for hats or other articles made from a braid covered with a trim : en fr
  • FR794532A - Axle system, especially for motor cars : en fr
  • US2031014A - Machine for making electrical cables : en
  • GB443208A - Improvements in carding machines : en
  • USD98592S - Design fob a coat : en
  • USD98644S - Design for a fishing fly : en
  • US2031460A - Clothespole : en
  • DE626168C - Separately on shafts of drills, pick irons, etc. Like. Bump collar to be attached and pressed against it : de en
  • DE626241C - Contact element for tube base, in particular radio tube base : de en
  • US2031141A - Fastening tool handle : en
  • FR794441A - Transport device, driven by propeller, and running on a single rail : en fr
  • FR794677A - spreader of gravel, gravel and other similar materials, applicable in the graveling of roads, roads, etc. : en fr
  • DE626046C - Weft cutting device : de en
  • DE626233C - Anti-glare lens and anti-glare glasses, e.g. for motor vehicle headlights or drivers : de en
  • US2031263A - Conveyer : en
  • US2031557A - Resinous amino derivatives and process of preparing : en
  • FR794485A - Process for manufacturing rubber hoses intended for industrial uses and having interior fabric fittings : en fr
  • DE625830C - Washing machine, especially for chemical laundry : de en
  • GB443072A - Improvements in or relating to gas circulating systems for electric arc converters : en
  • GB443129A - Improvements in and relating to washers for bottles and other containers : en
  • DE626251C - Cable crane : de en
  • GB442843A - Improvements in and relating to the control mechanism of motor vehicles : en
  • US2031576A - Heating and cooling unit for buildings : en
  • DE625927C - Device for stepless starting, controlling and braking of electric motors with load brakes : de en
  • GB443154A - Improvements in hydraulic brake and other power transmission systems : en
  • US2030892A - Match manufacturing : en
  • US2030894A - Cylinder head : en
  • DE587828C - Process for producing damping colors on clinker goods : de en
  • CA356024A - Return bend fitting : en fr
  • DE625901C - Furnace for converting gases or gas mixtures at high temperatures : de en
  • DE626207C - Method for determining the germ content of dairy products, especially milk : de en
  • FR794583A - Construction game : en fr
  • AU2126135A - Improvements in or relating to machine tools for performing operations on metal or other substances : en
  • US2031084A - Blasting assembly : en
  • US2031019A - Test tube heater : en
  • US2031414A - Power transmission mechanism : en
  • US2031110A - Multiple ring bracelet : en
  • US2030960A - Self-locking bracket : en
  • US2030957A - Electromagnetic apparatus : en
  • DE625914C - Knife for meat mincers : de en
  • US2031335A - Control for heat generators : en
  • AU2145535A - Improvements in and relating to autographic registers : en
  • US2031211A - Electrical resistance device : en
  • US2031213A - Fluid pressure brake : en
  • USD98639S - Design for a shoe : en
  • DE625887C - Padlock housing : de en
  • FR794508A - Sports apparatus for the physical culture of children and adults : en fr
  • FR794559A - Tool for sharpening safety razor blades : en fr
  • DE626087C - Method for achieving stereoscopic projection : de en
  • GB443034A - Improvements in cabinet and like folding bedsteads : en
  • DE625955C - Propellant gas generator for internal combustion turbines : de en
  • DE626223C - Self-connecting telephone with payment facility : de en
  • FR794491A - Improvements made to devices for pasteurizing milk and other liquids : en fr
  • US2030902A - Hydraulic steering gear : en
  • US2031028A - Tire groover : en
  • GB442825A - Improvements in and relating to sun glasses : en
  • GB442907A - Improvements in or relating to magnetic separators : en
  • GB443064A - Identification labels for animals, goods and the like : en
  • US2031133A - Electric hand tool : en
  • USD98577S - Design for a bottle : en
  • DE625854C - Impact roller for vacuum cleaner with adjustable brush arranged in it : de en
  • DE626023C - Scales for weighing pipes, bars, profile iron or the like. : de en
  • FR794577A - Polychrome microgranular filters for use in photochromy and processes for their manufacture : en fr
  • DE626261C - Method and device for preserving food : de en
  • GB443090A - Improvements in or relating to food for animals : en
  • US2031436A - Turbine-driven vessel : en
  • DE625964C - Process for consolidating and sealing soil layers, porous and granular masses, structures and components : de en
  • DE625974C - Device for generating a periodic voltage curve with steep positive voltage peaks for grid control of electric vapor or gas discharge paths with arc-shaped discharge : de en
  • AU2121635A - Improved roller blind in which paper in used as the shade material : en
  • DE626116C - Bulkhead for excavators and method for loading conveyor wagons by means of the bulkhead : de en
  • FR794619A - Protective shield for electric arc welders : en fr
  • DE626051C - Device for printing carbonless ink in gravure printing : de en
  • CA356038A - Water purifying apparatus : en fr
  • GB442858A - Improvements in screens or grilles for sound radiating apparatus : en
  • GB442977A - A new or improved springing system for motor road vehicles : en
  • GB443011A - Improvements in or relating to telephone or like alternating current systems employing variable attenuation networks : en
  • US2030942A - Refrigeration apparatus : en
  • US2031118A - Process and apparatus for dewaxing oils : en
  • US2031416A - Display device : en
  • US2031444A - Cutting machine : en
  • DE626021C - Area measuring machine : de en
  • US2031579A - Preparation of phosphates of manganese : en
  • CA356041A - Electric generating system : en fr
  • DE626132C - Method of patterning socks : de en
  • DE626144C - Hand flat knitting machine to be operated mainly in a sitting position : de en
  • FR794638A - Improvements to lubrication devices : en fr
  • DE621951C - Process for the production of semi-pulp : de en
  • DE626029C - Drive chain : de en
  • DE626157C - Paper holder for photographic enlarging devices : de en
  • AU2369435A - Improvements relating to adjusting slides for braces, belts, bands andthe like : en
  • GB443368A - Improvements relating to the separation of materials by froth flotation : en
  • US2031457A - Fuse : en
  • USD98610S - Design for a lamp base : en
  • US2031119A - Combination stool and carrier : en
  • DK51279C - Device for Rail Vehicles with Bogies. : da en
  • AU2234335A - Improvements in roller blinds : en
  • FR794579A - Improvements to filing cabinets or similar furniture : en fr
  • DE626189C - Splash-proof locking device, especially for electrical switch boxes : de en
  • FR794641A - Automatic shaving brush : en fr
  • FR794661A - Device for opening vials stoppered by a cap : en fr
  • AU2085835A - Anew or improved means for color grading fruit andthe like : en
  • GB442897A - Improvements in or relating to the tuning of thermionic valve circuits : en
  • US2031117A - Process for dewaxing oil : en
  • US2031392A - Parking apparatus : en
  • DE626027C - Magnetic electric igniter : de en
  • DE626055C - Sheet pile wall made of metal lamellas with bent lock parts : de en
  • FR794640A - Improvements made to windings for high frequency current : en fr
  • FR794448A - Washing machine : en fr
  • FR794420A - Electric transmission in particular for traction units : en fr
  • GB442972A - Improvements in and relating to envelopes : en
  • US2031011A - Package of matches : en
  • GB443123A - Improvements in and relating to flexible controls : en
  • GB443140A - Improvements in or relating to electromagnetic clutches : en
  • DE626146C - Drug capsule : de en
  • DE626269C - Leadership of electrically operated toy cars along a trackless roadway : de en
  • FR794693A - Improvements in the manufacture of threads, fabrics, etc. cellulose acetate based : en fr
  • GB443089A - Improvements in or relating to cinematograph projectors for films bearing sound records : en
  • FR794552A - New anthraquinone series dyes : en fr
  • US2030964A - Egg product and emulsifier therefor : en
  • US2031345A - Tray making apparatus : en
  • DE626088C - Multi-counting calculating and recording machine : de en
  • DE625997C - Partial chamber boiler with blind chambers : de en
  • GB443047A - Improvements in or relating to measuring and indicating devices : en
  • DE625913C - Cattle stunner : de en
  • GB443019A - Improvements in and relating to pneumatic tyres : en
  • GB443082A - Improvements in or relating to spring rings : en
  • DE625881C - Device for changing the load ratio of the drive axle and the trailing axle connected to it by the suspension springs, especially for motor vehicles : de en
  • DE600127C - Heat-resistant steel alloy : de en
  • GB443120A - Improvements relating to ironing machines : en
  • USD98595S - Design fob a smoking stand : en
  • GB443150A - Improvements in or relating to electrical tuned circuit arrangements suitable for use in wireless signalling apparatus : en
  • GB443078A - Improvements in weighing scales : en
  • GB442787A - Improvements in and connected with attic ladders : en
  • GB443028A - An improved method and means for the construction of reinforced concrete buildings : en
  • US2031371A - Longitudinal joint reenforcement system for concrete roads : en
  • DE625653C - Method for embedding a closed rubber ring with a tear-off tab into the lid edge of a tin when closing : de en
  • GB442812A - Plug coupling arranged in a box inserted in the roof : en
  • CA356010A - Transformer fault detector : en fr
  • FR794689A - Device for recording on a single recording tape the positions of moving parts : en fr
  • GB443103A - Apparatus for filling magazines of machine guns and the like : en
  • FR794627A - Device for signaling the position of switches, in particular for illuminated or dark figurative diagrams : en fr
  • GB442785A - Improvements relating to the backs of vehicle seats : en
  • IE13778L - Electric discharge lamps : en
  • FR794621A - Process for the purification of alcohols : en fr
  • FR794572A - All-terrain vehicle wheel suspension device : en fr
  • DE533285C - Terraced house with an outside walkway that serves as shared access to the individual apartments : de en
  • DE625910C - Vertical cylinder boiler for the generation of low pressure steam for agricultural operations : de en
  • FR794426A - Drawbridge : en fr
  • DK51269C - Pig Scraping Machine. : da en
  • FR794609A - Improvements to boilers : en fr
  • US2030951A - Receptacle filling apparatus : en
  • US2031000A - Damping device : en
  • US2031202A - Signaling system : en
  • US2031512A - Cut-off machine : en
  • US2031003A - Wire line drilling clamp : en
  • CA355999A - Electrical distribution system : en fr
  • US2031393A - Vehicle jack : en
  • US2031015A - Child's wheeled vehicle : en
  • US2030919A - Device for creating an illusion : en
  • FR794460A - Device for fixing plates to all walls using spikes : en fr
  • GB442919A - Improvements in or relating to waste heat boilers : en
  • GB443486A - Improvements in or relating to the treatment of fibrous materials with aqueous liquids : en
  • US2030985A - Method for producing artificial silk : en
  • DE626185C - Length measuring device, especially for fabric webs : de en
  • GB443048A - Improvements relating to means for holding work or stock bars on lathes or like machine tools : en
  • US2030981A - Rock drill : en
  • US2031398A - Table top extension clamp : en
  • US2031446A - Nonrefillable bottle and container stopper : en
  • US2031562A - Electrically lighted sewing machine : en
  • FR794407A - Improvements to automatic mechanisms for feeding the material to constitute sub-wraps or wrappers, for cigar-making machines : en fr
  • GB442846A - Improvements in and relating to electric gaseous discharge devices : en
  • US2030921A - Copper-beryllium alloys : en
  • US2031295A - Tuning indicator : en
  • DE625949C - Pyrophor pocket lighter with cigar tip cutter : de en
  • FR794495A - Internal combustion engine operating according to the two-stroke cycle and comprising a load recovery : en fr
  • FR794549A - Process for manufacturing sheets, bands, tubes, rods or similar products, but more particularly wires : en fr
  • GB442874A - Improvements in or relating to starting devices for internal combustion engines : en
  • US2031523A - Automobile lock : en
  • CA356063A - Valve grinder dressing tool : en fr
  • US2031467A - Device for continuous spinning and/or twisting of textile fibers : en
  • CA355970A - Syphon pipe mounting : en fr
  • CA356021A - Wall and reinforcement : en fr
  • US2031435A - Electrode arrangement for controlling electric arcs : en
  • AU2350235A - Improvements in and relating to processes forthe preservation of fruit : en
  • CA356007A - Regenerative rectifier system : en fr
  • CA356048A - Vehicle and pilot means : en fr
  • GB443091A - Improvements relating to holders or containers for cosmetics, shaving soap, foodstuffs and utility articles of various kinds : en
  • US2030980A - Self-winding timepiece : en
  • US2031555A - System for remotely controlling a radio receiver : en
  • USPP165P - Regal lilt : en
  • GB443130A - Silo of concrete or similar material : en
  • US2030970A - Azo dyes and methods for their production : en
  • US2030854A - Constant intensity illumination system : en
  • US2030900A - Quotation projecting or analogous apparatus : en
  • US2031391A - Heat gun : en
  • DE626048C - Field magnet system for small alternators : de en
  • GB442824A - Improvements in buckles for parachute harness : en
  • US2030943A - Pressure compensator for oil- or : en
  • CA356046A - Reperforator : en fr
  • DE626212C - Paper container : de en
  • USD98626S - Design for a closure cap or similar : en
  • US2031381A - Composite package : en
  • US2031405A - Castor machine oils : en
  • US2031485A - Method of bleaching pulp : en
  • US2030843A - Process and apparatus for treating sausage casings : en
  • US2031474A - Decorative product and method for making the same : en
  • USD98570S - Design for a shoe : en
  • DE626097C - Split crankshaft : de en
  • US2031024A - Punch : en
  • US2031337A - Rotary swivel : en
  • US2031453A - Convenience outlet : en
  • AU2211135A - Improvements in means for preventing the formation ofice on aircraft andother vehicles andthe like : en
  • US2031031A - Device for delivering measured quantities of liquids : en
  • GB442988A - Self-acting detent device for holding in an open position a door, gate, window, window shutter or for use any other analogous purpose : en
  • US2030963A - Discharge tube : en
  • US2031411A - Rectifier : en
  • USD98643S - Design fob a combined handbag : en
  • CA356056A - Hormone preparation : en fr
  • GB443200A - Method of magnetically recording and reproducing oscillations : en
  • US2031454A - Vacuum cleaner : en
  • US2030879A - Wrapping machine : en
  • US2030930A - Electron discharge device : en
  • US2031097A - Stand for x-ray apparatus and the like : en
  • DE626194C - Water jet air pump : de en
  • DE626246C - Device for the production of moldings, in particular artificial teeth, other tooth replacement parts and medical prostheses, from thermoplastics in powder form : de en
  • GB443085A - Window fastening device : en
  • CA356029A - Bolt anchor : en fr
  • DE626018C - Process and furnace for the separation of specifically light metals from heavier insoluble impurities : de en
  • GB442849A - Improvements in inductance coils : en
  • CA355963A - Driving mechanism : en fr
  • US2030989A - Coil winding machine : en
  • FR794554A - : fr
  • AU2005134A - Improvements in or relating to cigarettes : en
  • AU2121935A - Improvements in or relating to television systems : en
  • US2030986A - Automatic airplane pilot : en
  • USD98602S - Design fob a closure cap : en
  • DE626075C - Rotary grate for gas generator : de en
  • DE626260C - Process for keeping slaughtered fish fresh : de en
  • US2031092A - Hub cap and cover : en
  • US2031208A - Lollipop figure : en
  • US2031384A - Ski pole : en
  • CA355977A - Gold recovering device : en fr
  • US2031539A - Method and means for reducing electrical disturbances : en
  • CA356055A - Acid salt : en fr
  • DE626094C - Fuel injector with closed nozzle for internal combustion engines : de en
  • FR794470A - Improvements to heat exchanger devices : en fr
  • FR794523A - Electric pencil-shaped flashlight : en fr
  • GB442955A - Improvements in or relating to electrically heated hot plates : en
  • US2031478A - Fluid control means : en
  • US2031330A - Broiler or the like : en
  • DK51292C - Electric Discharge Tube or Bulb. : da en
  • CA355985A - Road earth heating machine : en fr
  • CA356042A - Coal sawing machine : en fr
  • CA356043A - Two-cycle engine : en fr
  • DK51278C - Batch holder. : da en
  • US2031302A - Latch : en
  • US2031515A - Ice tray : en
  • USD98653S - Design for a game device : en
  • CA356044A - Gauge : en fr
  • US2031430A - Thread tensioning attachment for textile machines : en
  • US2031459A - Shade roller : en
  • US2031497A - Fuel : en
  • US2031177A - Aircraft speed control : en
  • US2031311A - Clutch : en
  • CA356008A - Translating circuit : en fr
  • DE625970C - Structural steel : de en
  • US2030899A - Food container unit : en
  • US2031328A - Concealed skylight ventilation : en
  • AU2054034A - Improvements in and relating to cricket bats, hockey sticks andthe like : en
  • CA356067A - Web feeding apparatus : en fr
  • AU2088935A - Improvements in or relating to frequency discriminating electrical circuit arrangements : en
  • DE626249C - Hand lever fruit press : de en
  • FR794486A - Projectile rocket refinements : en fr
  • FR794533A - Antenna with mirror-shaped reflector for short and ultra-short waves : en fr
  • USD98613S - Display counter : en
  • CA356000A - Display holder : en fr
  • US2030987A - Oscillation control device : en
  • USD98631S - Design fob a water heater cabinet : en
  • US2031352A - Method and apparatus for handling slag : en
  • DE625197C - Device for the remote control of railway switches and signals : de en
  • AU2008934A - Improved animal race starting machine : en
  • US2030862A - Means for positioning freight on vehicles : en
  • USD98623S - Design for a watch bracelet : en
  • US2031078A - Sheet separating and feeding device : en
  • DK51274C - Steering and Stabilization Apparatus for Aircraft with Free Rotating Wings. : da en
  • GB442844A - Improvements in and relating to the therapeutic administration of tonka bean oil : en
  • GB443201A - Improvements in and relating to hand-bags, ladies' bags and the like : en
  • US2030956A - Measuring apparatus : en
  • US2031001A - Hair drying device : en
  • CA355988A - Building unit : en fr
  • US2031090A - Means for setting-up collapsible containers : en
  • AU2213335A - Improvements in or relating to electric discharge devices : en
  • DE625885C - Elastic wheel for vehicles of all kinds : de en
  • US2030898A - Vaporizer : en
  • US2031093A - Wheel and axle assembly : en
  • US2031465A - Signaling system : en
  • DE626169C - Gas consumption regulator with float : de en
  • DE626222C - Circuit arrangement for dialers with free choice in telephone systems : de en
  • FR794636A - Remote control device : en fr
  • DE625987C - Traffic signal clock : de en
  • FR794557A - Improvements to devices intended to amplify electrical variations : en fr
  • US2030976A - Safety guard and control system : en
  • US2031334A - Offset side supported tool holder : en
  • US2031379A - Carburetor : en
  • DK51267C - Reservoir comb. : da en
  • GB442954A - Improvements in methods of preparing organic disulphides : en
  • CA355971A - Locomotive : en fr
  • FR794430A - Improvements to devices for projecting light, in particular to vehicle, automobile or other headlights : en fr
  • FR794586A - Rangefinder viewfinder for cameras : en fr
  • GB442800A - Improvements in combined hydraulic brake housing and wheel : en
  • DE625897C - Multi-part drive core for driving in sheet metal sleeves for location posts : de en
  • CA355967A - Electrical outlet device : en fr
  • GB443128A - Improvements in and relating to force-feed lubrication : en
  • DE555664C - Footwear with an inflexible bottom part arranged in the rear part of the shoe : de en
  • FR794409A - Refuge to facilitate the crossing of the roadways by pedestrians : en fr
  • FR794663A - Improvements to stretchers and their supports : en fr
  • GB443092A - Improvements in and relating to fractionating columns : en
  • GB443100A - Improvements in and relating to golf balls : en
  • US2031318A - Engine : en
  • CA356003A - Ventilation apparatus : en fr
  • US2031418A - Apparatus for making containers : en
  • US2031365A - Machine for making pretzels : en
  • FR794582A - Further training in the control of calenders : en fr
  • US2031432A - Hosiery toe fabric : en
  • USRE19854E - Duplex radio aerial system : en
  • US2030885A - Apparatus for burning sulphur : en
  • DE626122C - Remote control device for the optional activation of several receivers via power lines using alternating currents of non-network frequency : de en
  • FR794598A - Improved device for cleaning floors and other similar surfaces : en fr
  • GB442870A - Improvements relating to the construction of buildings : en
  • US2031269A - Engine starter : en
  • USD98636S - Design fob a chest of drawers : en
  • USD98627S - Design fob a combined washing : en
  • FR794455A - Sun visor with movable screens, adjustable at will : en fr
  • FR794608A - Improvements to stereophotographic cameras : en fr
  • GB443359A - Compositions for setting animal fibres such as wool or hair : en
  • GB442911A - Gyroscopic aircraft instrument : en
  • FR794650A - Rail brake magnet : en fr
  • GB443071A - Improvements in and relating to electric discharge apparatus : en
  • GB443088A - Improvements in clockwork and other power-driven electric switches : en
  • GB442928A - Improved apparatus for supplying air to furnaces, boilers and the like : en
  • DE626076C - Tooth bracket made of metal band : de en
  • FR794678A - Special roulette that can be used for lotto game : en fr
  • GB443139A - Improvements in or relating to measuring taps : en
  • GB443105A - Improvements in or relating to closure holding attachments for bottles, jars and like containers : en
  • GB443211A - Improvements relating to agricultural machines, such as horse rakes : en
  • DE625911C - Electric pickup with tubular, thin-walled armature : de en
  • US2030979A - Egg box : en
  • US2031048A - Fuel feed burner : en
  • DE626229C - Process for producing a mirror-smooth surface on concrete : de en
  • US2031190A - Tin cutter : en
  • GB443205A - Means for preventing shoes from pressing on corns : en
  • US2031032A - Means for mixing the color element images in multi-color screen photographic printing and projection : en
  • FR794477A - Method and apparatus for water softening : en fr
  • GB442908A - Improvements in guards for machines having rotating tools : en
  • FR794539A - Cylinder for the application of drawings on wall plasters : en fr
  • GB442901A - Improved process for printing wool : en
  • DE625992C - Winding device for the supply cord of electrically heated devices, in particular iron : de en
  • USD98594S - Design fob a smoking stand : en
  • DE626106C - Trailer coupling for motor vehicles : de en
  • US2031491A - Sole attaching apparatus : en
  • DE625985C - Oscillating semi-axis for motor vehicles : de en
  • GB442989A - Steam boiler with forced draught : en
  • US2031450A - Refrigerator : en
  • FR794415A - Lightening devices : en fr
  • US2031156A - Honing tool : en
  • FR794646A - Process for obtaining photomechanical reproductions of animal skins and grains : en fr
  • GB443005A - Improvements in or relating to aircraft : en
  • FR794403A - Arrangement of current converters for energy recovery : en fr
  • USPP166P - Peach : en
  • FR794659A - Automatic machine for making chocolate bites : en fr
  • FR794401A - Clasp : en fr
  • GB442965A - Improvements in and relating to coal-cutting machines : en
  • FR794489A - Spring device for all elastic seats and furniture : en fr
  • GB443007A - Improvements in or relating to corner joints for boxes and like containers : en
  • US2030849A - Window control device for automobiles and other traveling vehicles : en
  • US2031524A - Tobacco smoking pipe : en
  • FR794459A - Candle dispenser for churches : en fr
  • GB443058A - Improvements in or relating to skinning apparatus : en
  • US2031493A - Spring bolt assembly : en
  • USD98587S - Design for a box : en
  • AU2103035A - Improved animal race starting machine : en
  • US2030949A - Mixing mill : en
  • US2031045A - Means for avoiding glare from automobile headlights : en
  • DE626140C - Process for the production of collector plates : de en
  • DE626250C - Edge connection for furniture that can be dismantled : de en
  • DK51266C - Apparatus for Freezing Ice Cream. : da en
  • DE626173C - Circuit arrangement for telephone systems with main exchanges and sub-exchanges equipped for dialer operation : de en
  • DE626264C - Device for parallax compensation on photographic apparatus with several lenses : de en
  • FR794662A - Device for the continuous introduction of fabrics, ribbons or sheets of transparent viscose into liquid baths for treatment in large quantities : en fr
  • US2030853A - Liquid spray apparatus : en
  • US2031346A - Fuel injection pump : en
  • FR794624A - Automotive Brake Improvements : en fr
  • FR794691A - Improvements in the manufacture of threads, fabrics and other materials : en fr
  • GB442891A - Improvements in or relating to printing telegraph systems and apparatus : en
  • GB442968A - An improved apparatus for working-up plastic masses : en
  • FR794476A - Condenser device for lighting cinematographic films : en fr
  • GB443099A - Improvements in and connected with electric furnaces for melting and refining metalsand other materials : en
  • DE626211C - Smoke generator for smoke chambers : de en
  • DE625183C - Process for the production of dams from individual interlocking building blocks : de en
  • DE625916C - Ventilation device for neck bearings in centrifugal machines : de en
  • DE625933C - Reinforcement of coils for ironless induction ovens : de en
  • DE551630C - Terraced house with outside walkway : de en
  • US2031010A - Automatic positive paper developing apparatus : en
  • US2031290A - Open head drum : en
  • DE626059C - Press rods for the folding rollers of bottom folding machines : de en
  • DE626104C - Roll film camera : de en
  • FR794620A - Process for the manufacture of articles coated with ebonite : en fr
  • US2030972A - Apparatus for the production of artificial filaments and like materials : en
  • US2031301A - Sheet-folding machine : en
  • US2031310A - Flight apparatus : en
  • US2031366A - Typographical slug casting machine : en
  • US2031545A - Combined seaming and pinking machine : en
  • USD98603S - Design for an infant s sleeping bag : en
  • DE626033C - Spherical convex mirror for photographic cameras : de en
  • US2031100A - Oscillation generator : en
  • US2031445A - Automatic regulating apparatus for steam heating systems : en
  • US2031514A - Electric circuit interrupter : en
  • FR794567A - Stiffening material for hard toes of footwear, and method and device for shaping this material : en fr
  • US2031529A - Process for the preparation of mercaptans : en
  • US2031320A - Staple driving machine : en
  • US2031007A - Grid or grating : en
  • FR794566A - Electric discharge tubes : en fr
  • GB442940A - Improvements in or relating to the scavenging and charging of the cylinders of two-stroke internal combustion engines : en
  • GB443632A - Improvements in the manufacture and production of valuable water-soluble condensation products suitable as assistants in the textile and related industries : en
  • US2030868A - Art of removing metals as volatile chlorides from ores and other matters containing the same : en
  • US2031166A - Hydraulic apparatus : en
  • FR794571A - Frame for typewriters, calculating machines and other office machines : en fr
  • GB442804A - Improvements in and relating to tool-holders for wood-working machines and the like : en
  • GB443203A - Device for keeping leather gaiters in position on the legs : en
  • GB443080A - Improvements relating to the mounting upon or fixing to floors or vibratory foundations of furniture or other load supports : en
  • US2031127A - Brake head arrangement : en
  • US2031223A - Safety razor : en
  • US2031299A - Treating copper anode mud : en
  • US2031241A - Ship chart cabinet and display case : en
  • AU2127735A - Improvements in or relating to food and like cartons : en
  • US2031549A - Crane : en
  • DK51280C - Compression chiller. : da en
  • DE626045C - Perpetual calendar : de en
  • DE626226C - Arrangement for supplying high and medium frequency ovens : de en
  • FR794509A - Electromagnetic rail brake : en fr
  • DE625876C - Method and device for uniform mixing of powdery mixtures : de en
  • DE625984C - Drive device for propellers : de en
  • USD98600S - Design for a luminous-arm signal : en
  • DE626077C - Process for the production of glass bodies, in particular glass bowls, with a drawn-in edge : de en
  • GB443126A - Improvements in the manufacture of collars for personal wear : en
  • FR794472A - Improvements to ignition devices : en fr
  • FR794645A - Mains television receiver : en fr
  • FR794679A - Stabilized berth boat cabin : en fr
  • GB442845A - Improvements in bearings or joints : en
  • FR794588A - Braking and acceleration mechanism for mechanical traction vehicles : en fr