• US1937672A - Method of accelerating propionic fermentation : en
  • CA337590A - Solvent evaporation : en fr
  • US1938241A - Damper for furnaces : en
  • CA337655A - Weighing and totalizing mechanism : en fr
  • US1937755A - Apparatus for examining liquids : en
  • US1938210A - Thermionic tube power converter : en
  • FR756248A - Improvements in the refining of mineral oils and the preparation of lubricating oils : en fr
  • US1938006A - Manipulative table for spinal correction : en
  • US1937642A - Metal cap or closure for receptacles : en
  • US1937777A - Lock : en
  • US1937807A - Composite article and method of making the same : en
  • US1938564A - Means for printing, impressing, or embossing upon sheet or strip material : en
  • US1938288A - Method of forming bindings : en
  • FR756316A - Device for the operation of rectifiers or the like controlled by grid : en fr
  • US1937952A - Ventilator : en
  • USD91162S - Design for an electric light shade : en
  • DE589264C - Fluid change gear or fluid couplings like the Foettinger gear : de en
  • GB402562A - Improvements relating to the construction of metal boxes suitable for housings for electrical connections, and for other purposes : en
  • DE589383C - Device for casting and pressing panels made of wood pulp : de en
  • CA337671A - Tire manufacture : en fr
  • DE589275C - Process for the production of photographic perforated disks for television purposes : de en
  • FR756325A - Conveyor for cylindrical objects : en fr
  • US1938466A - Display rack : en
  • DE589107C - Ear tag for cattle : de en
  • GB402742A - Improvements in or relating to cutting metal alloys : en
  • DE589165C - Display device : de en
  • DE589298C - Process for the production of iron strips plated with copper, nickel or their alloys : de en
  • DE589316C - Firedamp protected fuse : de en
  • FR756265A - Transformer : en fr
  • FR756352A - Method of forming and using photosensitive layers on regenerated cellulose sheets : en fr
  • GB402669A - Improvements relating to combined fire-and burglar-alarms : en
  • US1937983A - Typewriter operation : en
  • GB402605A - Improvements in coal and like tongs : en
  • FR756160A - Transmission Mechanism : en fr
  • FR756367A - Method and device for recovering gasoline vapors accumulated in tanks : en fr
  • US1938373A - Bottle closure : en
  • US1937925A - Portable conveyer : en
  • USD91140S - Design fob a clock case ob similae : en
  • USD91141S - Design fob a textile fabric ob the : en
  • DE589540C - Adjustable shoe last : de en
  • US1938491A - Structural units for steel frame buildings and the like : en
  • US1937503A - Variable speed transmission : en
  • US1938317A - Manifolding machine : en
  • US1937768A - Railway braking apparatus : en
  • US1938077A - Cooling device for closed electrical motors, generators, or the like machines : en
  • US1937583A - Oscillation generator : en
  • FR756127A - Intrauterine pessary with valve closure : en fr
  • FR756264A - Improvements to vending machines : en fr
  • FR756364A - Copper sulphate manufacturing process : en fr
  • FR756373A - Dobby for looms : en fr
  • FR756150A - Advanced Acidylation Process : en fr
  • GB402502A - Improvements in balancing arrangements for the distributor valve faces of hydraulic motors and pumps : en
  • US1937682A - Method of producing hydrogen peroxide : en
  • US1937899A - Training panties : en
  • FR756310A - Soundproof floor : en fr
  • US1937582A - Automatic mixing device : en
  • US1937897A - Lock : en
  • CA337737A - Iron oxide and sulphur dioxide production : en fr
  • US1938554A - Face lifting and treating method and device : en
  • CA337578A - Advertising sign : en fr
  • DE589438C - Hemstitch sewing machine : de en
  • US1938361A - Mud guard for shoe heels : en
  • US1938507A - Device capable of being set into two or more positions : en
  • US1937833A - Wheel and rim holder for automobiles : en
  • US1938270A - Internal combustion engine : en
  • US1938461A - Method for preparing anhydrous iron chlorides : en
  • US1937532A - Combined road and rail truck : en
  • US1937571A - Vertically adjustable bracket and curtain rod support : en
  • GB402690A - Improvements in and relating to the drawing of glass sheets : en
  • US1937853A - Chamber oven for the production of gas and coke : en
  • US1938008A - Jet pump : en
  • US1938146A - Washing machine : en
  • US1938032A - Manufacture of artificial threads and other products from cellulose compounds : en
  • DK48103C - Adjustable suspension device for radiators and the like. : da en
  • DE589161C - Method of treating a tree : de en
  • DE589261C - Device for incomplete combustion of powdery fuel with a loop-shaped flame guide in a chamber : de en
  • DE589312C - Circuit arrangement for the supply of private branch exchanges connected to telephone systems with dialer operation : de en
  • IE13229L - Coating cellulosic with wax : en
  • US1938098A - Pneumatic dispatch system : en
  • US1938364A - Diagnostic device : en
  • DE555141C - Device for moving liquid metals : de en
  • GB606874A - Improvements in and relating to gun mountings for aircraft and other vehicles : en
  • DE589278C - Lock switch with bypass switch : de en
  • GB402456A - Improvements in gear driving train mountings particularly for electrically driven clocks : en
  • IE12869L - Luminous signs : en
  • FR756136A - Production of new chromiferous coloring materials : en fr
  • DE589564C - Copy pad : de en
  • FR756072A - Improvements to aircraft floats : en fr
  • GB402663A - Improvements in teat cups for milking machines : en
  • GB402673A - Improvements in or relating to sifting or bolting machines for flour and other granular or pulverulent material : en
  • GB402813A - Improved method of rivetting and an improved rivet for use with the method : en
  • DE589216C - Connecting and tensioning clamp for overhead cables, especially for steel-aluminum cables : de en
  • GB402615A - Process and apparatus for keeping provisions and other perishable goods fresh by cooling : en
  • FR756400A - Light signal : en fr
  • DE589307C - Ski binding : de en
  • GB402637A - Improvements in or relating to thermionic oscillation generators : en
  • GB402549A - Apparatus for the operation of a battery of horizontal chamber ovens for the production of coke and gas : en
  • US1937704A - Fastening device : en
  • CA337567A - Axle bearing : en fr
  • FR756025A - Method and apparatus for treating combustion gases and exhaust gases from internal combustion engines : en fr
  • CA337576A - Telephone transmitting and recording device : en fr
  • DE589060C - Epicyclic gears, especially for motor vehicles : de en
  • DE589309C - Rifle safety device : de en
  • US1937756A - Safety razor holder : en
  • GB402606A - Machine for fixing press-button matrices or eyelets : en
  • US1937913A - Manufacture of glassware : en
  • US1938189A - Magazine blade holder : en
  • US1937860A - Extractor : en
  • US1937545A - Refrigerator : en
  • US1938216A - Indicating machine : en
  • DE589172C - Pistol-shaped pull-up and release device for gyroscopes : de en
  • DE589496C - Device for adjusting the pitch of helical blades mounted at an angle in rotating blade systems : de en
  • FR756362A - Method and apparatus for automatically and instantaneously knowing the flow rate of a gas or a liquid : en fr
  • US1937890A - Brake : en
  • CA337652A - Can making machine control : en fr
  • DE589178C - Three-phase brake generator, in particular pendulum machine, for measuring the power of prime movers : de en
  • FR756107A - Calorimetric meter : en fr
  • GB402453A - Improvements in start-stop telegraph systems and apparatus therefor : en
  • FR756380A - Ball thrower : en fr
  • GB402487A - Improvements in machines for cleaning and separating vegetables : en
  • US1937735A - Discharge tube : en
  • US1938264A - Method of harvesting rice and like grains : en
  • DE589182C - Coupling device for gear change transmissions, especially of motor vehicles : de en
  • DE589433C - Air switch : de en
  • FR756369A - Sophisticated device for finishing inserts and other shoe repair supplies : en fr
  • GB402609A - Improvements relating to increasing the surface hardness of aluminium or aluminium base alloy articles : en
  • US1937527A - Milk product : en
  • US1938549A - Machine table : en
  • FR756334A - Device for successively placing disc-shaped objects in the field : en fr
  • GB402468A - Improvements in and relating to automatic means for delivering container lids and the like in uniform succession : en
  • US1937716A - Footwear and process of making the same : en
  • US1938037A - Means for separating valuable minerals : en
  • GB402645A - Improvements in aeroplane rudders or the like : en
  • GB402672A - Improvements in knitted stockings and mechanism and process for making the same : en
  • GB402500A - Improvements in or relating to the cleaning, and feeding of metal strips to rolls ofrolling mills : en
  • DE589322C - Process for the production of anticathodes with tungsten braking surface for X-ray tubes : de en
  • FR756297A - Apparatus for mechanically solving systems of linear equations : en fr
  • DE589156C - High-voltage capacitor for high loads with a mechanically resistant, homogeneous dielectric that forms the supporting body of the capacitor : de en
  • DE589534C - bearings : de en
  • US1937728A - Catalyst : en
  • US1937746A - Mercury switch : en
  • US1938403A - Fuel pump : en
  • FR756232A - Process for making uniformly colored blocks, tablets or grains from molten rock salt : en fr
  • DE589467C - Process for the manufacture of viscose synthetic products : de en
  • FR756345A - Improvements to primers for explosive charges : en fr
  • FR756437A - screen for fixed or cinematographic projections giving the viewer the impression of relief : en fr
  • US1937657A - Switch : en
  • US1938242A - Vehicle brake tester : en
  • GB402727A - Improvements in direction indicators for vehicles : en
  • DE589474C - Device for driving routes in underground pits : de en
  • US1937577A - Scouring implement : en
  • US1937851A - Method of treating peas and beans : en
  • US1938083A - Treatment of gases containing unsaturated hydrocarbons : en
  • US1938234A - Aircraft : en
  • USD91132S - Design for a combination smoker s : en
  • AU1055132A - Improvements relating to screens of field drying racks : en
  • GB402761A - Improvements in devices for measuring mean angular displacement between moving partsapplicable as torsion-meters : en
  • US1938136A - Vacuum tube electrometer : en
  • US1938186A - Combined wax paper holder and play toy : en
  • US1938195A - Power brake mechanism : en
  • US1938108A - Sawmill : en
  • DE589393C - Device for the detection of X-rays of different intensities with the help of glow lamps with automatic extinction : de en
  • FR756315A - Device for reducing the importance of ripples in processing plants with steam or gas discharge vessels, controlled by grid : en fr
  • FR756095A - Process for obtaining particular light effects on images, photographs, or any polychrome subjects, placed under glass : en fr
  • GB402590A - Improvements in and relating to machines for feeding plastic material, such as dough, through dies or like apertures : en
  • FR756202A - Method and apparatus for the manufacture of shotguns : en fr
  • US1937553A - Boiler : en
  • DE589327C - Tie holder for self-ties : de en
  • CA337583A - Furnace : en fr
  • DK48108C - Device for Tuning Circuits for High Frequency Amplifiers and Radios. : da en
  • US1937997A - Welded brake shoe : en
  • US1937673A - Telephone stand : en
  • US1937969A - Emulsifier and insecticide : en
  • US1938517A - Gas producer fuel support : en
  • US1937825A - Staple forming mechanism : en
  • US1938237A - Arc lamp cabinet : en
  • US1937513A - Tape controlling device : en
  • US1937662A - Window regulator : en
  • US1937793A - Saddle gasket : en
  • FR756390A - Improvement in the adjustment of plows known as tilting plows : en fr
  • DE588462C - Machine for the production of nuts by warm means : de en
  • FR756375A - Automatic gas pressure limiter : en fr
  • GB402571A - Improvements in wall blackboards : en
  • FR756141A - Grip screw : en fr
  • FR756193A - Variable-ratio hydraulic transmission : en fr
  • FR756223A - Closing and assembling devices for doors, partitions, floors, etc., in particular for vehicles such as airplanes, automobiles, etc. : en fr
  • US1938149A - Antirattler for window sashes : en
  • US1938543A - Method of making paper : en
  • US1937560A - Shoe shank support : en
  • US1937568A - Air conditioning system for railway cars : en
  • US1937708A - Stove pipe damper : en
  • US1937798A - Elevator control : en
  • US1938075A - Radial grating : en
  • FR756293A - Removable blade coulter for seed drills : en fr
  • GB402548A - Enclosed protective box cover for books, catalogues, periodicals and the like : en
  • US1937761A - Roll-holding magazine : en
  • US1937829A - Air conditioner : en
  • US1937805A - Fire extinguisher : en
  • DE589215C - Support clamp for electrical overhead lines with a role to carry the rope : de en
  • US1938309A - Electrical outlet or switch : en
  • US1938541A - Rear view mirror mounting : en
  • DE589254C - Drive for a material transport device in slide operations, which is initiated using the mass balance of the dead slide : de en
  • DE589405C - Coordinatograph : de en
  • FR756071A - Chimney cap with smoke extractor : en fr
  • US1937637A - Process of treating lead sulphide ores : en
  • US1938100A - Measuring and dispensing device : en
  • USD91152S - Design for a washing machine : en
  • DE589146C - Process for the preparation of C, C-disubstituted barbituric acids : de en
  • US1937626A - Automatic brake for window lifters : en
  • US1937775A - Rake : en
  • US1938060A - Process for the treatment of fibrous plants for the recovery of the fibers thereof : en
  • US1937536A - Electrical sterilization of objects or substances : en
  • US1938176A - Manufacture of mixed cellulose esters : en
  • GB402438A - Improvements in or relating to the production of ethylene oxide, particularly for the preparation of ethylene-glycol and of its derivatives : en
  • DE589222C - Soap plate cooling machine in which the cooling plates are connected to one another by opposing chain links : de en
  • DE589556C - Process for making mullite : de en
  • DE589341C - Electrical insulating body for high frequency purposes : de en
  • DE589559C - Method and machine for the production of electrically welded wire mesh : de en
  • US1937828A - Ball retriever : en
  • US1938143A - Intermittently operating electrical device : en
  • US1938559A - Automobile heater : en
  • DE589456C - Rotary mandrel made of sheet metal for split keys : de en
  • US1937752A - Manufacture of dextrine from corn starch : en
  • US1937834A - X-ray tube : en
  • DK48116C - Technical Heat Meter. : da en
  • FR756343A - Process for the treatment of mineral oils : en fr
  • FR756191A - DC electric machine with series excitation : en fr
  • GB402493A - Improvements in ink-ribbon mechanism : en
  • US1937933A - Shingle strip : en
  • US1938368A - Electric valve frequency system : en
  • US1938433A - Telephone system : en
  • US1938490A - Display stand and box : en
  • USD91139S - Design for an ice cream cone : en
  • FR756140A - Training in camping tents : en fr
  • FR756417A - Tail light for automobiles : en fr
  • GB402477A - Improvements in or relating to printing machines : en
  • US1937508A - Process for recovering manganese values : en
  • FR756049A - Perfected Hourdis and its Applications : en fr
  • FR756224A - Machine to impregnate fabrics off, moving the fabric alternately in both directions : en fr
  • USD91145S - Design for a building structure : en
  • DE589248C - Process for producing a mass of rubber and leather dust for mending or covering objects made of leather or rubber or the like, in particular shoe soles : de en
  • US1938385A - Humidor : en
  • US1938000A - Hollow-cone-spraying nozzle : en
  • US1937929A - Temperature regulating device : en
  • US1938409A - Chuck : en
  • DE589345C - Circuit for an electric motor rotating in both directions, especially a servo motor : de en
  • FR756055A - Horn system : en fr
  • CA337651A - Mineral particle roasting apparatus : en fr
  • US1937935A - Sheet metal shelving : en
  • US1937767A - Wire tensioning and tying machine : en
  • US1937960A - Paper towel dispenser : en
  • US1938232A - Concrete pipe joint : en
  • US1938505A - Drain valve for crank cases : en
  • DE589221C - Device for feeding electrical consumer devices, such as. B. electric light tubes : de en
  • DE589185C - Pipe catcher : de en
  • USRE19015E - Process of blocking ophthalmic : en
  • FR756227A - Improvements to parachutes : en fr
  • GB402685A - Liquid meter : en
  • FR756508A - Automotive coin-operated telephone : en fr
  • US1938092A - Radio receiving system : en
  • US1938378A - Vacuum cleaner : en
  • US1938039A - Electric fitting : en
  • US1938081A - Manufacture of yeast : en
  • US1938438A - Contact finger : en
  • FR756036A - Tilting and lifting system of a grape harvest pasture : en fr
  • FR756134A - Powerline transmission system by cable lines : en fr
  • US1937604A - Method of making manhole structures : en
  • US1938547A - Leadized gasoline : en
  • US1938377A - Mixing machine : en
  • FR756332A - Automatic advance control ball regulator for combustion engines : en fr
  • FR756185A - Shock absorbers for automobiles : en fr
  • FR756180A - Device for driving the tempering devices for tempering mechanical rockets with a clockwork movement, with an artillery projectile intended to be tempered by this device : en fr
  • FR756241A - Airplane wheels fitted with profiling flanges : en fr
  • FR756322A - Device for the remote control of changes and signals, and for the traffic control of a railway line : en fr
  • FR756274A - Device for transforming the trunk of a motor vehicle into an openwork crate : en fr
  • FR756090A - Rubberizing and carding device : en fr
  • FR756239A - Method and apparatus for the concentration and separation of the components of mixtures in the form of vapors and gases : en fr
  • GB402810A - Improvements in and connected with plasters, cements and the like : en
  • FR756284A - Adjusting device for the raking cylinder in rakes, windrows and tedders : en fr
  • FR756359A - Machine for mounting on shoe form : en fr
  • GB402760A - Improvements in and relating to electric motor control : en
  • USD91161S - Design for an electric light shade : en
  • GB402471A - Improvements relating to apparatus for dispensing beverages : en
  • GB402574A - Improvements in or relating to the lubrication of bearings : en
  • GB402713A - Improvements in and relating to oil fuel burners : en
  • US1937658A - Ignition device for gas burners : en
  • US1938049A - Road and rail vehicle : en
  • DE589361C - Dividing device : de en
  • FR756002A - Toothbrush with a toothpick brush : en fr
  • GB402595A - Improvements in or relating to the utilisation of exhaust steam, particularly applicable to steamships : en
  • CA337654A - Soap dispenser : en fr
  • DE589089C - Soldering process for closing and opening metal vessels suitable for indentation in the household : de en
  • GB402718A - Improvements relating to electrical plug sockets and their manufacture : en
  • GB402536A - Improvements in or relating to carpenters' and like braces : en
  • FR756328A - Improvement of the means of attaching a mirror to the head of a cyclist : en fr
  • US1937565A - Control mechanism for water heating systems : en
  • US1938474A - Floating corner bead : en
  • US1938498A - Wheel spring device : en
  • CA337626A - Fluid proportioning apparatus : en fr
  • CA337731A - Textile material production : en fr
  • GB402717A - Improvements in or relating to see-saws : en
  • FR756032A - Apparatus for creating color schemes : en fr
  • GB402492A - Improvements in ink-ribbon mechanism : en
  • US1937948A - Work-rotating structure for machine tools : en
  • US1938275A - Internal combustion engine : en
  • US1938396A - Electrical resistor : en
  • US1937681A - Panel box : en
  • US1937817A - Draft rigging : en
  • FR756167A - : fr
  • US1938339A - Lock construction : en
  • US1937640A - Means for preventing bias in telegraph systems : en
  • US1937760A - Flaw detector car : en
  • US1937787A - Tennis or squash racket : en
  • US1938086A - Production of valuable hydrocarbons : en
  • GR4449B - WOODEN FORM (MATTER) FOR MAKING CIGARS (CIGARETTES). : el en
  • US1938482A - Packing machinery : en
  • FR756285A - Tedder : en fr
  • GB408112A - Improvements in, or relating to, electric lamp-holders : en
  • DE589219C - Device for bringing about an overlap of the anode currents in six- and twelve-phase rectifier systems : de en
  • DE589373C - Casting machine for the production of ceramic vessels : de en
  • FR756031A - Device for operating flame electric arc furnaces by means of generators coupled to double-rotation turbines : en fr
  • FR756010A - universal electric heating element : en fr
  • GB402728A - Improvements in rail vehicles : en
  • GB403097A - Improvements relating to cabins or chambers for protection against toxic gases : en
  • US1938499A - Apparatus for electric welding : en
  • US1938155A - Alarm apparatus : en
  • US1938451A - Compressing apparatus : en
  • US1938558A - Sterilizer : en
  • US1937535A - Filler cap : en
  • US1937610A - Automatic heat control means : en
  • DE589110C - Injection device for internal combustion engines : de en
  • FR756173A - Dual speed device for measuring fluid flow rates : en fr
  • DE589315C - Hearing safety switch for large currents : de en
  • FR756311A - Extinguishing chamber for high power alternating current switches : en fr
  • FR756128A - Claw head for making the chain : en fr
  • FR756435A - Automobile wheel hub cap cover remover : en fr
  • DE589533C - Machine set consisting of an internal combustion engine with cylinders arranged in a star shape and a working machine : de en
  • GB402762A - Process for the manufacture of new organic salts of bismuth and oleaginous solutions thereof : en
  • US1937589A - Handle bail and handle spring means for carpet sweepers : en
  • US1937946A - Treatment of hydrocarbon oils : en
  • US1937727A - Method of and machine for producing gears : en
  • DE589415C - Process for increasing the corrosion resistance of clad aluminum alloys : de en
  • DE589350C - Device for carrying out the process for casting open or closed hollow bodies by centrifugal casting : de en
  • FR756321A - Process for the concentration of nitric acid produced by aqueous absorption of nitrous gas : en fr
  • US1937750A - Flexible stencil card and holder therefor : en
  • US1938511A - Underground lawn sprinkler head : en
  • US1938471A - Horseshoe : en
  • FR756011A - Process for the operation of a static converter installation composed of a system of controlled gate valves and connected on the AC side to a single or polyphase network : en fr
  • FR756087A - Improvements relating to vehicle wheels : en fr
  • US1938497A - Carburetor : en
  • FR756287A - Improvements to hydraulic shock absorbers : en fr
  • US1937782A - Lubricating oil : en
  • US1938513A - Process for working up naphthenic acid soap-containing oily residues : en
  • FR756428A - Improvements to pants racks : en fr
  • GB402497A - Improvements relating to the soldering of aluminium : en
  • GB402591A - Improvements in or relating to mechanically operated folding doors : en
  • DE589321C - Solid electrolytic capacitor : de en
  • DE589372C - Method and device for achieving a support for the briquette strand in roller briquette presses that remains the same even when the press ring is worn : de en
  • US1938327A - Combined pressure regulator and switch : en
  • US1937525A - Propulsion means : en
  • DE589266C - Safety shut-off valve as a template for acetylene generator : de en
  • DE589358C - Magnet generator for ignition current and light current : de en
  • FR756135A - Process for improving the properties of milk and cream : en fr
  • FR756386A - Automatic and instantaneous locking device applicable to any telescopic movement : en fr
  • DE589270C - Process for converting alkali salts into spherical form : de en
  • FR756377A - School bench table : en fr
  • GB403072A - Improvements in the treatment of fibres or like materials of cellulose esters or ethers : en
  • FR756210A - Device for cutting tiles simultaneously on both sides of them : en fr
  • GB402721A - Improvements in horns : en
  • US1937940A - Bottom for boiler furnaces : en
  • US1937905A - Fruit pitter : en
  • US1938125A - Retort for the distillation of coal : en
  • US1938443A - Engine governor : en
  • US1938531A - Adjustable guide for paper plates of typewriters : en
  • GB402655A - Improvements in or relating to pulverising apparatus : en
  • DE589527C - Process for the production of water-insoluble azo dyes : de en
  • FR756330A - Improvements to net making machines : en fr
  • GB402472A - Improvements relating to locks : en
  • GB402560A - Improvements relating to reflectors for cycles : en
  • FR756237A - Device for operating discharge tubes incorporating an incandescent cathode : en fr
  • FR756309A - Looms and Knitting Looms : en fr
  • GB402589A - Improvements in and relating to the operation of devices adapted to utilize the electrostatic attraction produced by the passage of electric current through the surfacesof contact between a semiconductor and a semiconductor or a conductor : en
  • DE589485C - Shoe insert with a reinforcement plate that can be pressed against the corrugated support plate by means of support pads : de en
  • DE589306C - Area protection device against burglary, in which several elements responding to vibrations are attached to the area to be secured : de en
  • FR756186A - Shock absorbers for automobiles : en fr
  • FR756190A - Method and device for adjusting a propulsion motor supplied with direct current to adapt it to the different propulsion conditions of a ship : en fr
  • US1937774A - Air heating apparatus : en
  • FR756075A - Capping process for vials and bottles : en fr
  • FR756206A - Improvements to assembly screws for bed timber : en fr
  • FR756266A - Process for purification and softening of water : en fr
  • FR756307A - blush stick case : en fr
  • FR756327A - Lifting landing gear for high-speed aircraft : en fr
  • GB402683A - Improvements in or relating to film magazines for motion picture apparatus : en
  • US1937799A - Rim and spoke attachment and method of making same : en
  • US1938215A - Wall structure : en
  • US1938359A - Printer's quoin chase : en
  • FR756070A - Gas production process for the thermal treatment of metals : en fr
  • DE589284C - Process for the refining of vegetable and animal oils, fats and waxes : de en
  • FR756060A - Apparatus for drawing letters on signs, posters, etc. : en fr
  • FR756195A - Improvement in combination dialers : en fr
  • FR756256A - Light board for monitoring industrial installations : en fr
  • FR756429A - Rubber hollow sole slipper : en fr
  • FR756119A - Improvements to electromagnetic breeders : en fr
  • US1937537A - Tube : en
  • US1937601A - Furnace regulating system : en
  • USD91131S - Design for a dress : en
  • DE589191C - Antenna arrangement for receiving short waves : de en
  • DE589200C - Calculating machine or adding machine with printing unit, one or more stationary and movable counters arranged on the paper trolley or other transport device and automatic printing of amounts and sums : de en
  • FR756214A - Underwater minelayer : en fr
  • GB402490A - Improvements in or relating to pipe joints and the like : en
  • CA337736A - Rail joint : en fr
  • US1938307A - Valve seat tool : en
  • US1937920A - Pad for chair and seat backs : en
  • FR756111A - Improvements to furnaces of boilers, ovens or others : en fr
  • GB402529A - A process for the production of benzoic acid and benzoates : en
  • GB402599A - Process for producing pure whites and a pure yellow in multicolour screened photographic pictures : en
  • GB402532A - Improvements in or relating to stair carpet holders : en
  • US1937804A - Heat exchanger : en
  • FR756442A - Welding tool : en fr
  • GB402488A - Improvements in shelf and like racks : en
  • GB402451A - Constant-frequency electric oscillation generators : en
  • FR756383A - Roller bearing : en fr
  • DE589436C - Synchronous motor with a single excitation coil : de en
  • FR756046A - Tractor trailer : en fr
  • US1937945A - Induction electric pipe welding : en
  • FR756368A - Anti-glare device for automobiles : en fr
  • FR756183A - Improvements relating to shock absorbers for automobiles : en fr
  • FR756012A - Motor vehicle brake shoe adjuster : en fr
  • US1937959A - Process of cracking hydrocarbon oils : en
  • DE589371C - Spinning top toy : de en
  • DE589504C - : de en
  • CA337619A - Combustion chamber for diesel engines : en fr
  • DE588882C - Typewriter with type stop mechanism that can be moved in line direction : de en
  • DE589223C - Grate firing with a processing grate upstream of the traveling grate : de en
  • DE589259C - Process for the production of field magnets for small alternators : de en
  • FR756148A - Button Sewing Machine Improvements : en fr
  • CA337630A - Electric discharge tube : en fr
  • DE589166C - Process for the production of composite photographs in which a background component is superimposed on a foreground component : de en
  • US1937614A - Method of and apparatus for spinning : en
  • US1937863A - Process and apparatus of hydrocarbon oil conversion : en
  • FR756275A - Method for receiving ultra-short electric waves : en fr
  • FR756349A - Complex chromic compounds of orthooxyazo dyes and process for their preparation : en fr
  • GB402653A - Improvements in or relating to centrifugal governors : en
  • US1938068A - Floor cleaner : en
  • US1938357A - Hydraulic coupling or gear : en
  • CA337625A - Bag closure : en fr
  • US1938019A - Equipment for blow-out prevention : en
  • DE589381C - Induction motor with cage armature : de en
  • GB402436A - Improvements relating to paperboard boxes and similar containers : en
  • GB402648A - Improvements in and relating to lighting fixtures : en
  • DE589148C - Method for determining the direction of wireless transmitters : de en
  • US1937530A - Hatch packaging machine : en
  • AU1269433A - An improved washer anda method of anda machine for manufacturing same : en
  • US1937794A - Apparatus for treating fibrous material : en
  • AU1194233A - Improvements in rotary furnaces for combustion of garbage andthe like : en
  • US1937989A - Starter gear : en
  • DE589187C - Process for the preparation of asymmetric arsenic compounds : de en
  • US1937523A - Lock : en
  • US1937724A - Automobile headlight : en
  • US1937609A - Dispensing cap for containers : en
  • AU1028332A - Apparatus for burning liquid fuel : en
  • CA337585A - Flat spring : en fr
  • DE589251C - Skis made of hard paper or hard linen, e.g. B. from fabric or paper layers soaked with synthetic resin or layers of other layered, interrelated building materials : de en
  • CA337610A - Sausage supporting bar : en fr
  • US1937546A - Air conditioning system : en
  • US1938229A - Concrete pipe joint : en
  • US1937591A - Lady's garment : en
  • US1937632A - Process of treating zinc ores : en
  • DE589207C - Method and device for determining the angle of inclination of the respective plane of contact of a surface generated by the straight line connecting two points moving in space in relation to a plane passing through one of the two points : de en
  • DE589517C - Washing machine with directly heated, rotating drum : de en
  • DE589535C - Process for compacting the structure of layers formed by atomization of liquid or by precipitation of evaporated metals : de en
  • DK48111C - Device by Weights. : da en
  • CA337616A - Tabulating machine : en fr
  • IE12730L - Electric discharge devices : en
  • DE589346C - Device for regulating the torque of induction counters with a three-pronged tension iron : de en
  • FR756118A - Armchair-library furniture : en fr
  • FR756145A - Machine for making reinforcing bars : en fr
  • US1937688A - Focusing device for cameras : en
  • US1937955A - Closure operator : en
  • US1938254A - Cleaning pan : en
  • US1937519A - Cutting apparatus : en
  • US1937966A - Propeller for aircraft : en
  • US1938305A - Table top : en
  • US1938090A - Set-up box : en
  • US1937549A - Attachment for interchangeable handles : en
  • US1938191A - Safety device for automobile lifts : en
  • US1938220A - Clutch control mechanism, particularly for record card controlled tabulating machines : en
  • DE589142C - Trolley for sprinkling sprouted barley on threshing floors : de en
  • DE589446C - Layered woven blanket : de en
  • FR756271A - Siphon with kneepads : en fr
  • CA337568A - Moulded gear and pulley : en fr
  • CA337673A - Headlight : en fr
  • AU1036932A - Improvements in buoyant clothing for personal wear : en
  • CA337562A - Cement material preheating apparatus : en fr
  • CA337649A - Ladder : en fr
  • DK48114C - Wheel doctor, intended for fastening by butt welding. : da en
  • US1938281A - Internal combustion engine : en
  • US1938287A - Automatic valve for locomotive sanders : en
  • US1937722A - Dust and smoke density measuring device : en
  • US1937930A - Latch structure : en
  • US1938160A - Method of protection of oscillation circuits : en
  • US1938041A - Wheel structure : en
  • US1938013A - Incinerator : en
  • US1938447A - Method and apparatus for making manifold forms : en
  • US1938458A - Chamber closure for orifice fittings : en
  • US1938097A - Electric fuse : en
  • GB402732A - Improvements in or relating to methods and appliances for casting metals : en
  • DE589300C - Balloon with two nested covers : de en
  • US1938112A - Escutcheon plate lock and adjustment indicator : en
  • US1938249A - Annular sealing device : en
  • US1938427A - Illumination control system : en
  • US1937889A - Sound absorbing material : en
  • FR756288A - Hydrogen alloy annealing process : en fr
  • GB402651A - Improvements in or relating to processes of preparing fatty oils : en
  • GB403100A - Improvements in or relating to charge forming devices for internal combustion engines : en
  • CA337586A - Wood reconditioning composition : en fr
  • CA337725A - Red lead manufacture : en fr
  • US1937706A - Seal for vitreous articles : en
  • US1937736A - Indirectly heated cathode : en
  • US1937832A - Deodorization of carbon dioxide : en
  • US1938453A - Manufacture of aliphatic alcohols : en
  • US1938537A - Cooling system for aeronautical engines : en
  • CA337622A - Metallic container closing device : en fr
  • DE589242C - Damping device for an auxiliary power clutch operated by pressure medium on motor vehicles : de en
  • US1937501A - Machine for making and filling packages : en
  • FR756282A - Corners for pasting pictures and photographs : en fr
  • AU1036832A - Method of and arrangement of apparatus for operating apparatus of the kind which utilises the electro static attraction produced by an electric current passing the contacting surfaces in a device consisting of two bodies of which at least one is a semi-conductor : en
  • DK48091C - Automatic Firearm with short Return of the Pipe. : da en
  • FR756413A - Process for the production of alkali chlorides suitable for electrolysis and spongy fixed white : en fr
  • GB402679A - Improvements in and relating to polarised relays : en
  • DE589462C - Tobacco spreader for cigarette machines : de en
  • CA337686A - Corrugated push down tire cover : en fr
  • US1938104A - Conveyer system : en
  • US1938208A - Thermionic tube power converter : en
  • US1938324A - Production of cyanogen chloride : en
  • US1938489A - Spring assembly : en
  • GB402513A - Improvements in the production of impregnating, dressing, polishing and like agents : en
  • GB403414A - Apparatus for receiving, selecting and amplifying electrical signals arriving as impulses of different polarity : en
  • CA337700A - Waste reclamation apparatus : en fr
  • FR756395A - Machine for grinding toothed wheels : en fr
  • GB402627A - Improvements in and relating to sliding windows of vehicles : en
  • FR756346A - Tensioning device for dies in the form of a strip for filling the teeth : en fr
  • GB402575A - Improvements relating to weighing machines : en
  • AU1040632A - Improvements in or relating to die casting or moulding : en
  • CA337707A - Carbon black manufacture : en fr
  • FR756035A - Advanced gas generator for automatic air carburization by liquid fuels : en fr
  • DE589515C - Plow-like leveling device that moves on crawler tracks : de en
  • DE589137C - Image carrier for episcopic projection, especially in the form of a film tape : de en
  • FR756139A - Process for mixing and combing textile fibers of different types and lengths : en fr
  • FR756421A - Manufacturing process of alkali and alkaline earth carbamates : en fr
  • AU1090933A - Improved transmission gearing for use with animal powerdrive : en
  • CA337643A - Fluid pressure brake : en fr
  • CA337659A - Hydroxy-alkyl ether : en fr
  • CA337719A - Telephone system : en fr
  • AU1085433A - Improvements in propellers : en
  • GB402614A - Improvements in manifolding apparatus : en
  • DK48093C - Procedure with accompanying Gasket for permanent curling. : da en
  • GB402731A - Improvements in condenser systems : en
  • US1937875A - Gaseous fuel mixer : en
  • FR756068A - Photography through opaque bodies : en fr
  • US1937579A - Optical heat determining instrument : en
  • US1938503A - Manufacture of closure device for bottles, jars, and the like : en
  • FR756034A - Improvements to shock-absorbing mechanisms for typewriters : en fr
  • GB402770A - Improvements relating to processes for the separation or purification of salts, saltsolutions and other solutions : en
  • IE12747L - Junket powders : en
  • GB402678A - Improvements in or relating to footwear : en
  • US1937998A - Article of furniture : en
  • US1938245A - Shaker : en
  • FR756026A - Corrugated or corrugated helical metal tape and its applications in the transmission of heat or cold : en fr
  • US1937570A - Gill drawing frame : en
  • US1938346A - Apparatus for annealing glassware : en
  • US1938349A - Electrical brake tester : en
  • US1937719A - Roadway ripper : en
  • GB402610A - Improvements in and relating to electric battery lamps : en
  • US1937729A - Folding boat and the like : en
  • FR756455A - : fr
  • FR756240A - Manufacturing process of oxalic acid : en fr
  • FR756242A - Process for improving the effectiveness of plant insecticides : en fr
  • FR756057A - Safety locking device for landing or other doors : en fr
  • US1938529A - Nut lock : en
  • US1938553A - Composition of matter : en
  • US1937679A - Fireproof fiber board : en
  • DE589195C - Electric switch with trip-free release : de en
  • AU1027732A - Improvements in or relating to knitted fabrics, to methods of knitting and to warp-thread feeding means for use in knitting : en
  • US1937744A - Oil testing apparatus : en
  • US1938369A - Pump manifold ball valve : en
  • US1937603A - Egg case filler : en
  • US1938128A - Thread-cutting mechanism for sewing machines : en
  • US1937916A - Binding construction for shoes : en
  • US1937611A - Means for generating air currents and controlling temperature of same : en
  • US1938169A - Device for use in coloring flexible articles : en
  • US1938354A - Fire-resistant wall and ceiling structure : en
  • USD91156S - Design fob an electric light shade : en
  • GB402573A - Improvements to cycle handlebars : en
  • FR756450A - Improvements to the strippers of the binder discharge arms : en fr
  • GB402535A - Improvements in disconnectible couplings or unions for indiarubber and like pipes and tubes : en
  • US1937516A - Tube : en
  • DE589243C - Universal joint, in particular for driving the drive wheels of motor vehicles : de en
  • US1937824A - Heel cover tucking machine : en
  • US1938251A - Range burner : en
  • US1937684A - Electric washing machine : en
  • DE534474C - Manufacture of synthetic yellow spinels : de en
  • DE589036C - Filters for electrically operated vacuum cleaners : de en
  • US1937784A - Radio receiving apparatus : en
  • US1937808A - Elevator control system : en
  • FR756003A - Rubber ring for automatic billiards : en fr
  • GB402775A - Improvements in or relating to tents : en
  • DE589377C - Facility for the revision of high voltage overhead lines : de en
  • FR756149A - Improvements in the manufacture of artificial products : en fr
  • GB402578A - Improvements in or relating to electromagnetic selectors : en
  • FR756157A - Process for the preparation of 6-arylamino-2-hydroxy-naphthalene-3-carboxylic acids : en fr
  • GB402618A - Improvement in thread controlling mechanism : en
  • US1937705A - Refrigeration : en
  • DE589197C - Device for reducing the starting current of three-phase motors, especially squirrel cage motors : de en
  • US1938035A - Adjustable pipe coupling : en
  • DE589329C - Device for bending the wall pieces intended for the manufacture of vessels, in particular tubs : de en
  • FR756165A - Freezing water aeration device : en fr
  • GB402710A - Process for ornamenting surfaces : en
  • FR756201A - Mode of operation of internal combustion engines, fuel injection, such as diesel engines : en fr
  • GB402452A - Improvements in or relating to automatic or semi-automatic or like telephone exchange systems and apparatus : en
  • FR756163A - Artificial waterfall and light fountain : en fr
  • GB402628A - Improvements in surface condensers and the like tubular heat exchangers : en
  • FR756215A - Device for emptying condensed milk cans : en fr
  • FR756393A - Improvements in the automatic production of vials produced on suction machines : en fr
  • FR756166A - Saw tensioner, spring loaded : en fr
  • FR756187A - Device for trunks, removing the suitcases and closing the lid : en fr
  • GB402520A - Improvements in or relating to gas burner injectors : en
  • FR756272A - Balancing coils : en fr
  • FR756298A - Tubular device for simultaneously mixing and transferring a heterogeneous liquid : en fr
  • US1937797A - Milk cooling apparatus : en
  • US1938053A - Hydroxy-thionaphthene compound : en
  • US1937624A - Hair singeing torch : en
  • US1938546A - Process and apparatus for making nondetonating gasoline : en
  • DE589338C - Circuit arrangement for amplifier tubes heated with alternating current : de en
  • FR756024A - Printing machine : en fr
  • GB402632A - Improvements in or relating to landing grounds for aircraft : en
  • US1937923A - Auto sled : en
  • US1937698A - Water cooling system : en
  • US1938212A - Thermionic tube power converter : en
  • GB402749A - Improvements in or relating to the production of ethylene oxide, particularly for the preparation of ethylene-glycol and of its derivatives : en
  • CA337573A - Bottle and can sealing machine : en fr
  • FR756030A - Method and apparatus for the manufacture of upholstery articles : en fr
  • FR756306A - Packaging for cigarettes or other items : en fr
  • US1938110A - Machine for cutting and shaping cakes and biscuits : en
  • US1938183A - Dog starting apparatus : en
  • US1937509A - Method of making beryllium and light alloys thereof : en
  • US1937865A - Glass-to-metal joint : en
  • US1938139A - Method of producing combustible gas : en
  • US1938196A - Heel clamping device : en
  • US1938394A - Method of and apparatus for cutting laminated material : en
  • US1938528A - Adjustable bookholder : en
  • GB402511A - Improvements in or relating to flashlight photography : en
  • DE589196C - Device for the magnetic transmission of movements : de en
  • GB402697A - Improvements in or relating to pocket manicure sets : en
  • FR756250A - Smoker's pipe perfected : en fr
  • FR756110A - Hydraulic transmission : en fr
  • FR756205A - Strawberry refinements for cutting pine nuts : en fr
  • GB403103A - Improvements in and relating to purifying apparatus for paper pulp : en
  • US1937791A - Draft gear : en
  • US1938150A - Electric keyless lock : en
  • USD91133S - Design for a toy : en
  • DE589325C - Electric darkroom lamp : de en
  • US1938376A - Paint brush holder : en
  • US1938127A - Arch supporter : en
  • USD91128S - Design fob a knitted fabric : en
  • FR756420A - Sharp link chain mortising tool enhancements : en fr
  • GB402680A - Stove for boiling or cooking : en
  • DE589359C - Starting device for internal combustion engines : de en
  • DE589344C - Firedamp protected connector : de en
  • GB402552A - Improvements in hank-twisting machines : en
  • GB403115A - An improved process and apparatus for separating dust from coal or other materials : en
  • US1938406A - Process of cracking mineral oil : en
  • DE589109C - Mixture gas preheater : de en
  • DE589318C - Device to prevent synchronous machines from falling out : de en
  • DE589303C - Drip catcher for dispensing hose mouthpieces : de en
  • DE589333C - Sealing of doors u. like : de en
  • US1937882A - Electric comb : en
  • US1938304A - Lens mounting : en
  • US1938404A - Jack : en
  • DE589411C - Fuel injection device for internal combustion engines : de en
  • DE589440C - Centrifuge with electric single drive : de en
  • FR756371A - Method and device for continuously projecting sound films : en fr
  • GB402714A - An improved plate planishing machine : en
  • DE589244C - Device for displaying the lateral limitation of motor vehicles in the dark : de en
  • US1937518A - Hydrocarbon wax : en
  • US1938464A - Electrolytic device : en
  • US1937661A - Dry chloridizing of ores : en
  • US1937819A - Finishing machine : en
  • US1937526A - Pulp screen : en
  • US1938259A - Telephone dial lock : en
  • US1938365A - Geared turbine installation : en
  • US1938535A - Method of and apparatus for electrical prospecting : en
  • GB402527A - Improvements in or relating to hot water bottles : en
  • DE588841C - Device for generating high-frequency electrical currents : de en
  • FR756303A - Device ensuring the operation of water meters, especially in the case of very low consumption : en fr
  • GB402460A - Improvements in or relating to cathode ray tubes : en
  • GB402553A - Improvements in safety razors : en
  • GB402700A - Improvements relating to glare screens for use on motor vehicles : en
  • FR756109A - Device for supplying user circuits whose load varies rapidly within wide limits, in particular for supplying electric arc-flame furnaces : en fr
  • US1938061A - Indicating dial : en
  • US1938182A - Trisazo dyestuff : en
  • CA337642A - Stroboscopic testing apparatus : en fr
  • AU1223633A - Improvements inflexible electric cables : en
  • AU1030932A - Improvements in and connected with measuring and delivering apparatus for petrol and the like : en
  • DE589447C - Composable grille for counters : de en
  • GB402566A - Improvements relating to horse-shoes : en
  • US1938508A - Switch gear installation : en
  • DE589314C - Process for soldering the pole arresters to galvanic elements in a continuous, automatic process : de en
  • US1937499A - Punching machine : en
  • US1937964A - Insulator support for tower or mast type antenne : en
  • US1937956A - Process of making potassium aluminum fluoride : en
  • US1937958A - Apparatus for fractional distillation : en
  • DE589227C - Flat stencil printer : de en
  • DE589448C - Process for the extraction of metals from ores : de en
  • US1937944A - Manufacture of sulphites : en
  • US1937987A - Container : en
  • CA337606A - Variable pitch propeller : en fr
  • US1937636A - Process of treating lead-zinc sulphide ores : en
  • US1937988A - Brake cross shaft mounting : en
  • US1938118A - Fractionation of hydrocarbon oils : en
  • US1938163A - Drag bucket : en
  • US1938299A - Cellulose ester manufacture and composition therefor : en
  • DE589119C - Conveyor device with auger for dusty goods : de en
  • DE589247C - Hand grinder : de en
  • AU1119933A - Improvements in or relating to methods of manufacturing tires andthe improved tire resulting therefrom : en
  • CA337662A - Steel hardening process : en fr
  • US1938124A - Method of distilling coal : en
  • CA337656A - Ratchet jack : en fr
  • FR756158A - Humectants for mercerization liquids : en fr
  • GB402538A - A new or improved device for use with ladders or steps : en
  • US1938363A - Overload protective device : en
  • FR756178A - Slide rule and its manufacturing process : en fr
  • FR756269A - Safety razor : en fr
  • CA337592A - Fabric knitting machine : en fr
  • FR756040A - Hard paper disjunction chamber for electrical switches : en fr
  • FR756304A - Steamer : en fr
  • GB402568A - An improvements in or relating to means for transporting condenser bobbins in textile factories and for similar uses : en
  • CA337674A - Headlight lens : en fr
  • DE589522C - Procedure to compensate for the capacitance asymmetries of the core groups of telecommunication cables : de en
  • FR756262A - Device for counting telephone calls : en fr
  • FR756291A - Improvements to internal combustion engines : en fr
  • FR756347A - Automatic brake adjuster : en fr
  • GB402432A - Improvements in or relating to portable machines for recording numbers and the like : en
  • GB402630A - Improvements in or relating to wheel-flange or rail lubricating devices for rail vehicles : en
  • CA337687A - One piece arcuate tire cover : en fr
  • DE589177C - Subsidiary compass for gyrocompass systems : de en
  • GB402641A - Improvements in and relating to glass elements for concrete covers, pavement lights and the like : en
  • GB403101A - Improvements in electric measuring instruments : en
  • US1937950A - Rear axle construction : en
  • CA337678A - Starch conditioning mechanism : en fr
  • CA337570A - Condiment holder : en fr
  • DE589421C - Machine gun stand with a bracket supporting a swiveling rotating arm : de en
  • FR756184A - Improvements to automotive shock absorbers : en fr
  • FR756366A - Improvements made to seats, in particular those for motor vehicles : en fr
  • DE568833C - Packing method for salted herring : de en
  • DE588908C - Metal strips covered with a flexible material and designed as a resilient folding strip to seal the gap between the door and the floor : de en
  • DE589445C - Rectangular bowl burner for liquid fuels : de en
  • DE589283C - Coreless induction furnace for operation with three-phase current : de en
  • US1938029A - Manufacture of aminoanthraquinone-nitriles : en
  • US1938117A - Process of removing injurious ingredients from petroleum distillates : en
  • US1938202A - Hydrogen production : en
  • US1938485A - Tongs : en
  • US1938095A - Tube forming machine : en
  • US1938331A - hansell : en
  • US1938398A - Journal box lid : en
  • GB402522A - Improvements in metal frames to contain glass, tiles or other sheets of material : en
  • GB403074A - Improvements in electric cables : en
  • FR756415A - New process for obtaining coloring bodies or pigments specially cadmium yellow : en fr
  • DE589041C - Space heater for connection to stoves : de en
  • DE589180C - Pre-chamber diesel engine : de en
  • US1938211A - Thermionic vapor tube : en
  • FR756085A - Method and apparatus for refrigerating, storing or transporting perishable materials : en fr
  • GB402706A - Improvements in cases or holders for sticks of cosmetic erasers, pencils, or like articles in stick form : en
  • DE589214C - Hot air generator with oil firing, especially for internal heating of barrels : de en
  • FR756370A - Potentiometric, resistance, automatic thermometer device : en fr
  • US1937502A - Device for securing a member on a cylindrical shaft : en
  • DE589150C - Aircraft landing procedures : de en
  • DE589228C - Rail fastening on reinforced concrete sleepers using metal plates attached to the underside of the sleeper : de en
  • DE589529C - Cone shedding machine for hats : de en
  • US1937855A - Separator : en
  • US1938550A - Vehicle lift : en
  • US1937616A - Railway car underframe : en
  • US1937644A - Flexible mandrel : en
  • US1937919A - Recorded accompaniment for musical compositions : en
  • FR756041A - Device for pounding coking coal : en fr
  • GB402763A - An improved choke control for carburettors of internal combustion engines : en
  • GB402570A - Improvements in electrical connecting devices : en
  • US1938024A - Roof structure : en
  • US1938158A - Battery carrier : en
  • US1938430A - Bottle : en
  • GB402597A - Improvements in or relating to the winding handles of fishing reels : en
  • CA337675A - Headlight lens : en fr
  • FR756396A - Method and device for washing crevices and recesses in buildings and in the ground : en fr
  • US1938518A - Gas producer fuel support : en
  • FR756313A - Automotive spring shock absorber : en fr
  • GB402458A - Improvements in photographic sensitisers : en
  • DE589326C - Front-wheel drive vehicles : de en
  • FR756290A - Vulcanization accelerators and their preparation process : en fr
  • AU928132A - Improvements in or relating to electric discharge tubes : en
  • US1937533A - Synthetic resin and method of producing same : en
  • US1938219A - Means for dividing substances in liquid state into drops : en
  • US1938286A - Joint for pipe, tubes, and the like : en
  • GB402569A - An improvements in or relating to swings : en
  • CA337584A - Aluminum sulphate production : en fr
  • US1938126A - Barrel hoisting and display rack : en
  • US1938310A - Spindle drive for machine tools : en
  • US1938145A - Merchandise wrapper : en
  • US1938445A - Measuring device for textiles and the like : en
  • US1938101A - Metal refining process : en
  • DE589173C - Coupling for lines, especially line cables for electric vehicles : de en
  • DE589454C - Grid : de en
  • DK48110C - System with an electric fluorescent lamp. : da en
  • US1937924A - Container and method of forming the same : en
  • FR756162A - Loom Flange System : en fr
  • FR756438A - Improvements in the manufacture of threads, cords, bands and the like, rubber bands : en fr
  • US1937909A - Heating system : en
  • US1938411A - Frequency control apparatus : en
  • DE589282C - Vibrating electrical rectifier : de en
  • DE589418C - Gear pump, especially for pumping cellulose solutions : de en
  • US1937732A - Strainer roof leader or light drain tube : en
  • US1938291A - Photomechanical printing : en
  • US1938367A - Electric valve converting apparatus : en
  • US1938519A - Receptacle : en
  • US1938226A - Chair : en
  • US1937934A - Metallurgical process : en
  • US1938034A - Liquefier for solidified gas : en
  • US1937576A - Sheet feeding and trimming mechanism : en
  • USD91148S - Design for a textile fabric or the : en
  • FR756037A - Improvements to the processes of concentration of phosphate materials : en fr
  • FR756253A - Camera for multi-color photography : en fr
  • GB402737A - Manufacture of negative copies : en
  • US1938360A - Manufacture of alkyl ethers of cellulose : en
  • DE589547C - Device for switching tapping transformers without load interruption in connection with tap changers, load switches and voltage dividers : de en
  • GB402476A - Apparatus for separating and grading dust particles : en
  • GB402495A - Improvements in ink ribbon mechanism : en
  • GB402517A - Improvements in or relating to the manufacture of galvanic cells : en
  • FR756547A - : fr
  • US1937917A - Control system for electric elevators : en
  • FR756278A - Removable comb : en fr
  • DE589102C - Arch awning with a support structure composed of several brackets : de en
  • GB402581A - Process and apparatus for freezing homogeneously liquid and semi-liquid organic substances for their preservation as well as transport in a frozen condition : en
  • FR756047A - Connection or branching box for armored pipes in steel tube : en fr
  • GB402556A - Improvements in or relating to removable closures for apertures in discs : en
  • US1937928A - Pressure gauge : en
  • FR756446A - Improvements to dash-pots : en fr
  • FR756225A - Improvements to the manufacturing processes of <<getters>> for vacuum tubes : en fr
  • GB402729A - Improvements in quick-acting switches for heavy current : en
  • GB402773A - Detector circuit for wireless reception : en
  • DE589208C - Traffic signal device with a pointer rotatable about its center point : de en
  • DE589471C - Light-sensitive material containing diazo compounds and azo components, developable by ammonia vapors : de en
  • FR756222A - Tubular heater, more particularly for supplying internal combustion engines : en fr
  • FR756374A - Ski binding or attachment : en fr
  • AU1035732A - Improvements relating to refrigeration : en
  • FR756058A - Connection relay between several compressed gas cylinders with semi-floating valves : en fr
  • GB402531A - Improvements in lace made upon lace curtain machines and the methods of making same : en
  • FR756138A - Coupling for tool control : en fr
  • GB402662A - Improvements in or relating to speed regulating apparatus for prime movers especially internal combustion engines : en
  • DE589122C - Wind power machine in which several wheels are combined on a frame which rests on a roller bearing : de en
  • FR756098A - Improvements to electrical circuit breakers : en fr
  • FR756245A - Improvements made to the connections of several subscriber stations connected to a common line : en fr
  • GB402686A - Improvements in or relating to chill moulds : en
  • GB402523A - Improvements in carburetters : en
  • DE588678C - Coupling for oscillating shafts, especially for centrifuges : de en
  • US1937541A - Compressor piston or the like : en
  • US1938063A - Nonrefillable device : en
  • GB402660A - Improvements in or relating to electric clocks : en
  • US1937558A - Weftless fabric : en
  • USD91129S - Design for an ash tray : en
  • DE589412C - Hollow gas turbine blades connected to one another by a connecting duct : de en
  • DE589020C - Device for releasing a gas hose connection valve that is locked in the open position when the gas hose falls off the gas appliance or from the gas supply hose attachment so that it closes automatically : de en
  • DE589401C - Holder for flat curtain rods made from a single strip of sheet metal : de en
  • FR756122A - Advertising game system : en fr
  • FR756276A - Petroleum gas cooking, heating or lighting utensil with non-combustible asbestos ring : en fr
  • FR756182A - Method and device for stabilizing ships : en fr
  • CA337638A - Horn screen : en fr
  • DE589234C - Machine for cutting belts : de en
  • DE589232C - Anvil head for melting machines, centreless electric light bulbs : de en
  • FR756273A - Improvement to slates landing with storm resistant crampon : en fr
  • FR756082A - Radio receiver : en fr
  • CA337599A - Pressure container closing device : en fr
  • DE589458C - Embossing device for cylindrical bodies, especially dental drill shafts : de en
  • GB402723A - Improvements in power transmission clutches : en
  • FR756277A - Motor braking coupling for three-phase motors, by simultaneous supply of the motor with direct current and three-phase current : en fr
  • GB402503A - Improvements in and relating to electric vacuum tubes : en
  • GB402681A - Improvements in or relating to looms for weaving : en
  • DE589286C - Permanent hair waving device for flat winding : de en
  • US1938330A - Suction nozzle for valve-seat grinders : en
  • DE589391C - Transportable test and control device for measuring devices connected to live systems, in particular counters connected via converters, for checking the correct switching and operation of the measuring device as well as for recalibrating the measuring devices : de en
  • US1937517A - Conductor clamp : en
  • US1937572A - Ironing machine : en
  • US1938412A - Well drilling tool : en
  • US1937713A - Heat transfer apparatus : en
  • US1937858A - Method of making index strips : en
  • US1938329A - Pumping means : en
  • US1938413A - Closure for collapsible containers : en
  • US1938119A - Temperature actuated circuit closing device : en
  • CA337720A - Start-stop telegraph system : en fr
  • US1937531A - Production of anthraquinone dyestuffs : en
  • US1938414A - Article holder : en
  • CA337587A - Harrow : en fr
  • US1938400A - Film drier : en
  • US1938449A - Bag : en
  • GB403370A - Improvements in ground speed and drift indicators for aircraft : en
  • FR756436A - Gear shifting for bicycle : en fr
  • FR756439A - Semi-automatic guiper machine : en fr
  • GB402812A - Improvements in and relating to corsets for ladies' wear : en
  • US1937650A - Metal refining : en
  • CA337657A - Ammonia oxidation : en fr
  • US1938218A - Compressor valve : en
  • US1938222A - Tooth guide : en
  • US1938280A - Internal combustion engine : en
  • USD91130S - Design for a jig-saw puzzle blank : en
  • AU1111433A - Improvements in and relating to means for illuminating the signalling hand and arm ofa motor vehicle driver : en
  • CA337698A - Amplifier system : en fr
  • CA337732A - Textile material production : en fr
  • US1937786A - Process foe the simultaneous dis : en
  • AU992432A - Improvements relating to the conversion of coal distillation products particularly tar acids or products containing same into valuable hydrocarbons substantially free tar acids : en
  • US1938379A - Electric signaling : en
  • US1938177A - Preparation of secondary alcohols : en
  • US1938276A - Shaker for ingot molds : en
  • FR756014A - Electric circuit breaker with compressed gas blowing in which the arc is at atmospheric pressure : en fr
  • FR756229A - Process for the preparation of aromatic alcohols : en fr
  • GB402786A - Improvements in or relating to abrasive wheels : en
  • CA337644A - Back-up valve device : en fr
  • CA337706A - Acetaldehyde production : en fr
  • CA337588A - Tappet silencer : en fr
  • US1938121A - Process for distilling coal : en
  • US1938428A - Orthodontia arch bow : en
  • CA337635A - Thermionic cathode : en fr
  • US1938123A - Method of distilling coal : en
  • USD91137S - Design tor a child s knitted garment : en
  • DE589308C - Chain tree regulator : de en
  • DE589457C - Fillers for displaying footwear : de en
  • US1938391A - Tanning process : en
  • US1937683A - Automatic adjusting device for brake members : en
  • US1937769A - Adjustable hold-down device : en
  • US1938012A - Azodyestuffs : en
  • US1937737A - Mining machine : en
  • USD91150S - Design for a golf tee : en
  • US1938214A - Packing structure for dry cells : en
  • US1938151A - Liquid dispenser : en
  • FR756382A - Improvements to folding cars or the like : en fr
  • GB402461A - Improvements relating to removable covers or roofs for vehicles : en
  • US1937842A - Static grounder for tank trucks : en
  • DE588940C - Fluid storage with compressed air : de en
  • DE589082C - Switching device for the electromotive drive of a machine part : de en
  • FR756378A - Retaining device for lifting or pulling apparatus and apparatus incorporating application : en fr
  • CA337602A - Electric furnace alloy production : en fr
  • US1937912A - Electric lamp : en
  • US1937788A - Colloidal mill and system of control therefor : en
  • US1937845A - Door latch : en
  • DE589501C - Device for turning upside down cigarettes and similar objects : de en
  • DE589323C - Electrically heated coffee maker : de en
  • FR756130A - Improvements to cigar making machines : en fr
  • FR756394A - Improvements to lubrication systems : en fr
  • DE589224C - Copy material coated on both sides for color photography : de en
  • GB402677A - Improvements in and relating to laminated wood products : en
  • GB402543A - An improved tool for fish dressing machines : en
  • DE589548C - Device for the simultaneous operation of at least two arc furnaces in a system from a single AC network using a rectifier : de en
  • US1937720A - Protected inking fabric : en
  • US1938397A - Remote control mechanism for radio apparatus : en
  • GB402467A - Improvements in and relating to means for automatically applying flanged lids to tins, cartons and like containers : en
  • GB402758A - An improved closure for refrigeration and ice chests : en
  • US1937947A - Tufting machine : en
  • US1938198A - Telephone attachment : en
  • GB402797A - Improvements in and relating to indicating devices : en
  • DE589354C - Process for staining hardened proteinoplasts : de en
  • DK48120C - Barrel carrier. : da en
  • FR756220A - Method of manufacturing an insulating material and of very porous and refractory construction and device for its production : en fr
  • GB402486A - A crop collecting attachment for use upon field mowers : en
  • CA337716A - Telephone exchange system : en fr
  • GB402482A - Improvements in bearings : en
  • US1937844A - Photographic developer and method of developing : en
  • GB402494A - Improvements in ink ribbon mechanism : en
  • GB403117A - Decorative ground coating and process of producing same : en
  • CA337684A - Spare tire cover : en fr
  • FR756017A - Monetary release mechanism for gas meters, electricity meters and similar devices : en fr
  • FR756414A - Tin can : en fr
  • US1937867A - Earth boring drill : en
  • FR756042A - Improvements made to yarn purifying devices : en fr
  • FR756175A - Pneumatic transport system : en fr
  • FR756027A - Playing cards or similar cards for advertising or other applications : en fr
  • DE589513C - Method for avoiding volume fluctuations in colored sound-image films : de en
  • GB402509A - Linkage system for use on motor-vehicles : en
  • FR756200A - Machine tool control : en fr
  • GB402539A - Improvements relating to refill writing instruments adaptable for weighing purposes : en
  • US1938351A - Waterproof insulating board : en
  • US1938370A - Stocking and display fixture : en
  • DE589347C - Light source consisting of several different colored light tubes to generate white light : de en
  • FR756100A - Mechanical principle relating to the movement of the center of gravity of a system and its material realization : en fr
  • GB402601A - Improvements in apparatus for treating binding materials and the like : en
  • GB402757A - Improvements in or relating to self-closing cocks : en
  • DE589101C - Triangular, flat glazing pin : de en
  • CA337641A - Portable stroboscope : en fr
  • CA337666A - Railway switch control system : en fr
  • FR756006A - Remote indicator : en fr
  • FR756207A - Double compression piston for bottle capping machine : en fr
  • FR756216A - Air propeller device : en fr
  • GB402692A - Improvements relating to the production of cellulose triacetate : en
  • FR756440A - Arc-regulated spark plug : en fr
  • GB402719A - Improvement in tractor-drawn mowing apparatus : en
  • US1937723A - Apparatus for and method of burning-off glassware : en
  • GB402798A - Improvements in and relating to the suspension of motor vehicle frames : en
  • GR4448B - BUILDING MASKS. : el en
  • FR756089A - Gas heated fireplace and radiator intended for this fireplace : en fr
  • DK48094C - Device by Matchboxes for Difficulty of their Opening. : da en
  • DE589154C - Device for power limitation in a coupling line : de en
  • DE589175C - Process for falling out and rendering tanning and non-tanning substances in animal hide and leather insoluble : de en
  • FR756132A - Device for the safe storage and transfer of combustible liquids : en fr
  • FR756249A - Metal packaging for fruits and early vegetables : en fr
  • DE589099C - Low pressure pressure cooker closure : de en
  • FR756203A - Improvements in processes for the treatment of hydrocarbons, in particular for petroleum refining : en fr
  • DE589188C - Rail fastening using iron shims with rail guide ribs : de en
  • DE589473C - Knife box for beet pulp machines : de en
  • FR756053A - Variable, progressive or degressive speed electric motor : en fr
  • US1938492A - Fluid pressure governing device for measuring systems : en
  • GB402791A - Improvements in means for operating electric high frequency furnaces : en
  • USD91135S - Design for a laundry bag : en
  • USD91138S - Design for a display case : en
  • US1937745A - Microray transmission line : en
  • USD91160S - Design fok an electric light shade : en
  • US1937619A - Production of nonknocking motor fuels and lubricating oils : en
  • AU1032732A - Wire strainer : en
  • FR756317A - Locking for rifles : en fr
  • US1937600A - Condenser tube : en
  • US1937978A - Latch for refrigerator doors : en
  • FR756217A - Toolbox : en fr
  • GB402545A - Improvements in and relating to flexible cords : en
  • FR756351A - Instrument for oligodynamic treatment of liquids : en fr
  • GB402464A - Improvements in machines for making butter pats and the like : en
  • DE589406C - Method and device for the mechanical differentiation of plane and space curves with one device : de en
  • GB402689A - Improvements in or relating to electric insulators : en
  • US1937512A - Oscillator system : en
  • US1937873A - Treatment of hydrocarbon oil : en
  • US1937910A - Molding machine clamp : en
  • US1938036A - Means for removing liquid mixtures from pressure vessels : en
  • FR756295A - Movable paddle wheels driven by a proper rotational movement controlled by the rotation of the wheel itself and in the opposite direction to it : en fr
  • CA337598A - Colour photography : en fr
  • FR756054A - Stamped crank for bicycles : en fr
  • FR756255A - Aluminum-silicon alloy : en fr
  • US1938009A - Apparatus for extinguishing oil and gas well fires : en
  • US1937857A - Dental brush : en
  • US1937801A - Internal combustion engine : en
  • US1938426A - Light sensitive apparatus : en
  • FR756289A - Heat vehicle for high temperatures : en fr
  • DE589410C - Floatless carburetor : de en
  • CY37A - Improvements in or relating to aerating machines : en
  • DE589408C - Grain depositing device for grass cutter : de en
  • US1937500A - Coin intercepting mechanism for coin operated machines : en
  • US1938235A - Vehicle wheel : en
  • US1938316A - Refrigerating apparatus : en
  • GB402483A - Improvements in electric coils : en
  • US1938040A - Magneto rotor : en
  • US1937505A - Salt dispenser : en
  • FR756434A - Consistent honey and means of obtaining it : en fr
  • US1937548A - Sash lock : en
  • US1938213A - Electrical selector : en
  • US1938393A - Boot or shoe : en
  • US1938488A - Vote recorder : en
  • DE588900C - Device for the intermittent introduction of steam into the chimney of stationary steam boiler systems to increase the chimney draft : de en
  • DE589437C - Sorting machine for punch cards : de en
  • US1938282A - Internal combustion engine : en
  • US1938298A - Carburetor : en
  • FR756426A - Improvements in photographic copying processes and products used in this process : en fr
  • DE589253C - Scraper conveyor : de en
  • US1938496A - Construction of roofings, partitions, and the like : en
  • FR756419A - Apparatus for indicating the quantity of liquid contained in a tank : en fr
  • IE12926L - Welding. : en
  • FR756108A - Heater for automobile radiators : en fr
  • GB402498A - Improvements in and relating to electric motor control systems : en
  • FR756096A - Waterfall system : en fr
  • FR756147A - Compensating device for temperature variations for rotating ferraris systems : en fr
  • FR756376A - Process for manufacturing copper sulphate and installation for its application : en fr
  • GB403641A - Improvements relating to combined picture viewing and sound reproducing apparatus : en
  • US1938314A - Fountain pen : en
  • US1938366A - Combined steam and power plant : en
  • GB402547A - Improvements in or relating to counter weighing scales : en
  • US1938050A - Tool slide actuating mechanism : en
  • US1938301A - Printing apparatus blanket and method of making same : en
  • GB402709A - Improved arrangements for controlling motors in electric traction systems : en
  • DE589189C - Track brake : de en
  • US1937869A - Current regulating system : en
  • GB402450A - Apparatus for the production of artificial filaments and like products : en
  • USRE19017E - Cushion support : en
  • CA337689A - Hinged tire cover : en fr
  • GB402550A - Improvements in illuminating fittings : en
  • DE589174C - Protection circuit for two parallel lines : de en
  • US1938303A - Electrical connecting device : en
  • US1937623A - Furnace having sectionally supported side walls : en
  • US1938028A - Electrical coding and de-coding device : en
  • CA337697A - Wire baking pan : en fr
  • US1937669A - Heat interchange device : en
  • US1938344A - Rubber or hand stamp : en
  • DE589033C - Stop for rail joints of artificial limbs : de en
  • FR756192A - Process for the manufacture of bowler hats : en fr
  • US1937663A - Method of making sheet metal flume troughs : en
  • US1938005A - Hydraulic grease-dispensing device : en
  • US1938460A - Orifice fitting : en
  • US1937534A - Cigar or cigarette ash tray : en
  • US1938557A - Process for the thermic production of phosphorus from crude phosphates : en
  • US1937564A - Radio receiving apparatus : en
  • USD91157S - Design fob an electric light shade : en
  • GB402620A - Improvements in or relating to television and like systems : en
  • US1938423A - Cluster forming machine : en
  • GB402546A - Improvements in, or relating to, electrical coupling-sockets and switch-sockets : en
  • DE589155C - Main current magnet for induction counter : de en
  • DE589512C - Three-phase circuit for fine adjustment of manually controlled crane drives by means of an additional switching device provided separately from the actual control drum of the controller : de en
  • DK48113C - Stand for upright piston machines. : da en
  • US1937762A - Expanded load bearing member and method of forming the same : en
  • US1938248A - Valve for continuous automatic moderable brakes : en
  • US1938401A - Machine for and method of folding sheets : en
  • DE589280C - Flashlight bottom cap with hanging bracket : de en
  • GB403079A - Improvements in luminous signs comprising electric luminous discharge tubes : en
  • US1937578A - Car seat : en
  • US1937618A - Mine car : en
  • US1937694A - Extraction apparatus : en
  • US1937778A - Latch : en
  • US1937927A - Manufacture of molded inlaid linoleum : en
  • US1938002A - Illuminating appliance : en
  • US1938017A - Wire conveyer belt : en
  • US1938153A - Tie-rod for concrete construction : en
  • US1938477A - Safety razor : en
  • US1938548A - Machine table extension : en
  • DE589269C - Bound books, in particular business books, with stapling in layers : de en
  • DE589463C - Airtight door, especially for green feed storage : de en
  • US1937968A - Humidity control system : en
  • US1938105A - Combination parking light mirror holder : en
  • US1938446A - Chocking device for vehicle lifts : en
  • DE589209C - Short-circuited electric igniter : de en
  • DE589294C - Spark plug : de en
  • DE589357C - Surface carburetor : de en
  • US1937597A - Valve : en
  • US1937839A - Tractor : en
  • US1938563A - Rail bond : en
  • US1937901A - Electric iron and support : en
  • US1938274A - Internal combustion engine : en
  • DE589263C - Device for heating a pump with the exhaust gases of the internal combustion engine driving the pump : de en
  • DE589400C - Equipment for children's milk bottles with screw cap and valve body : de en
  • DE589402C - Bottle holder : de en
  • DE589565C - Line protection circuit with the aid of a relay assigned to each line switch : de en
  • GB402622A - Process and apparatus for the bleaching of textile goods : en
  • FR756350A - New slide rule : en fr
  • FR756401A - Production of new indigoid coloring matter : en fr
  • DE589217C - Spreading fastening of electrical installation equipment in flush-mounted boxes : de en
  • US1938523A - Belt tightener : en
  • US1938560A - Drain pipe cleaning composition : en
  • US1937655A - Diesel engine : en
  • US1938495A - Game apparatus : en
  • US1938405A - Relay : en
  • CA337613A - Vending package : en fr
  • US1937939A - Combination package : en
  • US1938262A - High-tension magneto-electric machine : en
  • GB402534A - Improved construction of cigarette, cigar, match or like cases or cartons : en
  • FR756433A - Truss : en fr
  • DE589420C - Device for sucking off the boundary layer on aircraft wings : de en
  • US1937726A - Grinding machine : en
  • US1937771A - Abrading machine : en
  • DE589198C - Vacuum cleaner with a dust collector in front of the filter : de en
  • US1937521A - Process for the manufacture of sulphonic acids or their salts : en
  • US1937648A - Precooling means for refrigerator cars : en
  • CA337580A - Concrete pavement joint : en fr
  • CA337636A - Laminated material production : en fr
  • FR756079A - Mounting an engine on a frame, especially in agricultural machinery : en fr
  • GB402654A - Improvements in or relating to mops for use with wringer appliances : en
  • US1938323A - Process for breaking petroleum emulsions : en
  • US1938372A - Multiple electric outlet structure : en
  • USRE19014E - Device for cooling water : en
  • US1937649A - Auxiliary cooling system for refrigerator cars : en
  • US1938561A - Cushion seat for automobiles and the like : en
  • US1938472A - Compressor : en
  • DE589479C - Holding cylinder high-speed press : de en
  • FR756151A - Electric light tube : en fr
  • GB402480A - Improvements in or relating to vacuum-sealed canisters : en
  • CA337713A - Electric heating element : en fr
  • US1937566A - Surgical apparatus : en
  • US1938252A - Cooler for fuel gases : en
  • US1937641A - Multiway connection for signaling circuits : en
  • US1937633A - Process of treating zinc ores : en
  • US1938056A - Method of making chain links : en
  • US1938380A - Electric fan : en
  • US1937686A - Automatic brake : en
  • US1937921A - Generator regulation : en
  • AU943732A - Improvements in harvesting machines : en
  • DE589170C - Device for dressing profiled thread grinding wheels : de en
  • DE589240C - Hose seal for throttle valves : de en
  • CA337714A - Ceramic ink : en fr
  • DE589560C - Process for the extraction of indene : de en
  • US1938087A - Separation of hydrogen : en
  • US1938294A - Proofing and baking apparatus : en
  • US1938332A - Method of and apparatus for use in drying : en
  • US1937631A - Process of treating zinc ores : en
  • US1938103A - Development reel : en
  • US1938272A - Internal combustion engine : en
  • US1938462A - Movable stove : en
  • US1937605A - Method of attaching nozzles to hollow bodies : en
  • AU926832A - Knitted fabric and method of making thesame : en
  • FR756331A - Electric current transfer systems : en fr
  • GB402716A - Improvements in or relating to single-phase synchronous electric motors : en
  • DE526476C - Utilization of nitrogen oxide from nitrosyl chloride : de en
  • DE589495C - Multi-cylinder hydraulic pressing plant for presses or the like provided with a screw spindle. : de en
  • DE589229C - Process for the production of hollow ropes for high voltage overhead lines : de en
  • FR756363A - Body protection device : en fr
  • CA337637A - Moulded laminated material : en fr
  • DE589295C - Pinion starter : de en
  • US1937664A - Rail joint parting grinder : en
  • US1938142A - Trailer : en
  • CA337620A - Conveyor for drying plants : en fr
  • CA337640A - X-ray cathode shield : en fr
  • DE589203C - Lens shutter : de en
  • DE589403C - Process and device for the production of magnesium by fused-salt electrolysis of magnesium chloride : de en
  • DE589550C - Device for debarking wood : de en
  • US1938144A - Comb-cleaner : en
  • DE589267C - Standing cooling device for rolling stock : de en
  • US1937551A - Coin operated amusement device : en
  • US1938152A - Flywheel : en
  • US1938244A - Method of and apparatus for securing covers to containers : en
  • US1938292A - Operator for soap dispensers : en
  • US1937522A - Fuel control mechanism : en
  • US1937896A - Pneumatic spring and a manner of applying same : en
  • US1938106A - Carbon paper container and actuating mechanism : en
  • US1938206A - Bracelet : en
  • DE589151C - Automatic control of an electrical switching process with simultaneous regulation of its process speed : de en
  • GB402804A - Improvements in lamp shades or reflectors : en
  • US1937588A - Destructive hydrogenation of carbonaceous materials : en
  • FR756120A - Improvements made to switchgear panels, in particular those for electrical devices : en fr
  • FR756062A - Pocket kit for daily maintenance and cleaning of the mouth and teeth : en fr
  • GB402764A - Improvements in or relating to hoeing and like implements : en
  • US1938115A - Combined girdle and brassiere : en
  • AU1031532A - Improvements in and connected with tine refining of lead : en
  • US1938204A - Shoe : en
  • US1938224A - Liquid sampling device : en
  • US1937730A - Folding door : en
  • US1937893A - Anticorrosion liquid control for boiler feed-water : en
  • FR756198A - Electric discharge tube : en fr
  • DK48102C - Device for generating bias voltage to the diaphragm in an electrostatic speaker. : da en
  • US1938138A - Funnel : en
  • US1938522A - Deaerating freezing process and apparatus therefor : en
  • DE589461C - Device for aligning and stretching tobacco leaves : de en
  • CA337639A - Bearing : en fr
  • CA337721A - Sound recording and reproducing system : en fr
  • CA337664A - Crank-shaft balancing device : en fr
  • CA337653A - Can making machine control : en fr
  • US1937677A - Magneto : en
  • US1938312A - Method of manufacturing artificial silk filaments : en
  • CA337660A - Record sheet holder : en fr
  • US1938407A - Automatic coupler : en
  • US1938551A - Mechanical stoker : en
  • AU1022132A - Detachable window or curtain for motor vehicles orthe like : en
  • CA337728A - Socketed wall : en fr
  • DE589317C - High-performance fuse in which the deionization of the arc path in the fuse tube takes place through fresh air flowing in from the outside : de en
  • DE589466C - Device for transfer printing of mirror writing matrices : de en
  • DE589238C - Fixing device for trellises on flowerpots : de en
  • FR756097A - Apparatus for cooling and storing milk and other materials : en fr
  • US1937951A - Blast furnace charging system : en
  • US1938355A - Apparatus for molding caramels and like cut-up plastic material : en
  • US1938165A - Combined bed and mantle : en
  • US1938172A - Copper-base alloys : en
  • US1938322A - Process for breaking petroleum emulsions : en
  • US1938425A - Valve : en
  • CA337569A - Spring hinge : en fr
  • US1937827A - Skiving machine : en
  • US1937942A - Lock : en
  • DE589256C - Refining agents for iron and metals : de en
  • GB402617A - Improvements in and relating to dynamo electric machines : en
  • DE589190C - Magnet system for speakers : de en
  • DE589193C - Device on tension clamps for electrical lines : de en
  • GB402435A - Improvements in pneumatic power hammers : en
  • GB402537A - Improvements in illuminated signs, advertisements, indicators and the like : en
  • US1938239A - Separating and recovering metals and alloys : en
  • US1938356A - Chuck : en
  • US1938374A - Electron discharge device : en
  • US1937932A - Rocker arm mechanism : en
  • US1938079A - Liquid level gauge : en
  • US1938289A - Shoe sewing machine : en
  • FR756292A - Improvements to the control of temperature indicators : en fr
  • US1938253A - Addition products of the pyeidine : en
  • US1937971A - Automatic clutch : en
  • US1938147A - Dispensing device for granular material in sealed cans or containers : en
  • US1937884A - Dolly : en
  • US1937918A - Apparatus for winding tape or the like : en
  • US1938371A - Manifolding platen : en
  • US1938556A - Knob : en
  • DE589149C - Control procedure for aircraft using short waves, especially ultra-short waves : de en
  • US1938179A - Triorgano metal compounds : en
  • US1938539A - Tire construction : en
  • DE589241C - Equipment and process for the continuous production of pulp : de en
  • US1937780A - Process for destruction of algae : en
  • US1937879A - Gearless type pressure gauge : en
  • US1937892A - Chair : en
  • US1938168A - Printing mechanism for calculating machines : en
  • DE588949C - Device for obtaining monopolar charged gas flows : de en
  • FR756143A - improvements to incandescent cathode x-ray tubes : en fr
  • US1937602A - Reproducing circuit : en
  • US1938231A - Pipe making machine : en
  • CA337565A - Typewriter eraser device : en fr
  • DE588914C - Force measuring device for rapid alternating loads, especially for material testing machines : de en
  • US1937554A - Production of valuable hydrocarbons : en
  • US1938011A - Manufacture of rubber and the like : en
  • US1937811A - Heater : en
  • US1937654A - Pipe hanger : en
  • US1938279A - Revolving door : en
  • US1937563A - Wheel brake : en
  • US1937652A - Coaxial conductor system : en
  • GB402658A - Improvements in or relating to refrigerating apparatus : en
  • DE589340C - Single-layer waveguide made of double-T-shaped profile wires and flat intermediate wires : de en
  • FR756416A - Curtain rod brackets : en fr
  • DE589160C - Method of treating a tree : de en
  • FR756144A - Improvements to starting mechanisms : en fr
  • US1937538A - Tube : en
  • US1938010A - Noncorroding battery terminal : en
  • US1938016A - Coal saving spark-catcher : en
  • US1938174A - Dispensing apparatus : en
  • DE589103C - Folding gate : de en
  • DE589428C - Winding device for model airplanes : de en
  • US1937711A - Method of making topographical maps : en
  • US1937809A - Refrigerating machine : en
  • US1938422A - Means for producing proofs from the cast lines of type-bar casting machines : en
  • US1937751A - Colored stencil and method of making same : en
  • CA337663A - Coin controller electric switch : en fr
  • FR756015A - Stackable cabinet : en fr
  • AU1226333A - A dishwashing device : en
  • DE589095C - Mobile steam perm device : de en
  • DE589407C - Device for gas volumetry, in particular for determining the urea content in blood serum : de en
  • US1938469A - Recovery of hydrocyanic acid from complex cyanides and waste liquors : en
  • CA337708A - Lehr stacker : en fr
  • DE589511C - Process for the preparation of wetting agents, cleaning agents and dispersants : de en
  • US1937779A - Lead pencil : en
  • US1937977A - Device for displacing from the axis : en
  • US1938402A - Cam shaft or holder : en
  • US1937904A - Dough cutter : en
  • US1937953A - Roll-dressing apparatus : en
  • US1938102A - Tool for removing and replacing springs : en
  • DE589328C - Horizontal metal extrusion press : de en
  • US1938161A - Building construction : en
  • GB402526A - Improvements in means for regulating the delivery of fuel injection pumps : en
  • US1938463A - Fruit juice extractor : en
  • US1938347A - Bean harvester : en
  • US1937520A - Cockpit cover : en
  • CA337593A - Fibrous material incorporating method : en fr
  • DE588726C - Device for performing music and for the mechanical reproduction of a musical work : de en
  • DE589460C - Device for mixing or distributing tobacco or the like. : de en
  • US1938532A - Method of polymerizing : en
  • AU1032932A - Improvements in hat moulding machines : en
  • US1937718A - Production of dyestuffs and intermediates : en
  • US1938085A - Zone filter : en
  • FR756063A - New support system for coat rack with longitudinal movement : en fr
  • FR756099A - Wind deflector for all vehicles : en fr
  • GB402608A - Improvements in cooking stoves and like apparatus : en
  • US1938004A - Photo-electric analyzer apparatus : en
  • US1937638A - Process of treating zinc ores : en
  • US1937813A - Preservative compound and method of producing the same : en
  • US1938044A - Process of preparing esters of the carbohydrates : en
  • US1938480A - Polishing device : en
  • US1938335A - Combined gas and oil burner : en
  • US1938283A - Internal combustion engine : en
  • US1938243A - Art of forming and soldering the ends of split rings or links : en
  • FR756004A - Joinery panels : en fr
  • FR756314A - Improvements to intermittent automatic switches : en fr
  • US1937507A - Lubrication : en
  • US1937943A - Filter : en
  • US1937986A - Cheese bandage : en
  • US1937854A - Auxiliary spring bumper for vehicles : en
  • CA337648A - Lighting fixture : en fr
  • US1938089A - Oil burner apparatus : en
  • US1938476A - Feed indicating self-closing adjustable oil cup : en
  • CA337611A - Race totalizator indicator : en fr
  • US1937690A - Apparatus for refrigeration : en
  • US1937697A - Friction transmission control device : en
  • US1937707A - Flexible bailer for wells : en
  • US1937758A - Sheet piling : en
  • US1937620A - Insulator : en
  • US1937821A - Front drive axle : en
  • CA337696A - Draft gear : en fr
  • US1938059A - Derivatives of the benzanthronepyrazolanthrone series and a process of preparing them : en
  • DE589252C - Bag-like packaging sleeve for packing potted plants : de en
  • CA337688A - Combination tire and wheel hub cover : en fr
  • FR756294A - vice for clamping workpieces of any shape : en fr
  • FR756384A - Electrical process for capturing or destroying insects, larvae, worms and rodents living in the soil : en fr
  • DE589369C - Drive and snap-off device for toys of all kinds through a twist spindle : de en
  • DE589245C - Reinforcement of door and window cutouts on ships : de en
  • FR756161A - Lighter : en fr
  • GB402433A - A process for preparing active principles or hormones : en
  • GB402600A - Improvements in or relating to loudspeakers : en
  • FR756356A - Fuel saving mechanism for internal combustion engines : en fr
  • DE589386C - Valve for steam burner : de en
  • FR756155A - Improvements to pressurized fluid brake devices : en fr
  • CA337608A - Ballast scoop : en fr
  • AU1155333A - Improvements in and connected withthe supply of fuel to chain grate and like stokers : en
  • US1938483A - Respiration apparatus : en
  • CA337575A - Button making machine : en fr
  • GB402449A - Apparatus for the production of artificial threads or like products : en
  • US1937826A - Manufacture of shoes : en
  • US1938111A - Hydraulic clutch mechanism : en
  • US1938525A - Shutter awning : en
  • GB402564A - Improvements in powdertight diaphragms for galvanic cells especially dry cells : en
  • CA337661A - Electromagnetic testing method for metal sheets : en fr
  • US1937739A - Phonic wheel starter : en
  • AU1291733A - Detachable window or curtain for motor vehicles and the like : en
  • DE589569C - Tilting device for crucibles, furnaces or other containers to hold melts : de en
  • US1938473A - Die forming apparatus for large sheets of material : en
  • USRE19016E - Mounting : en
  • US1938078A - Artificial dispersion of rubber : en
  • US1938555A - Household lighting unit : en
  • AU1275333A - Index device : en
  • CA337681A - Bacon treating method : en fr
  • US1938455A - Radiographic apparatus : en
  • US1938311A - Pressure producing means : en
  • FR756260A - Hinged elastic seat : en fr
  • FR756113A - Beer jug with automatic pouring device : en fr
  • FR756326A - Thread grinding machine play-taking device : en fr
  • FR756218A - Improvements in creped materials and in processes and apparatus for obtaining materials of this kind : en fr
  • FR756009A - Corset belt device for reduction of hernias : en fr
  • CA337579A - Sliding fastener : en fr
  • CA337730A - Filament and film production : en fr
  • FR756154A - Method and devices for weaving : en fr
  • US1938030A - Swiveled wheel and axle therefor : en
  • US1938074A - Apparatus for indicating the ratio between the linear function of two temperatures : en
  • FR756152A - Mold turning device for molding machines : en fr
  • GB402639A - Improvements relating to locomotive fireboxes : en
  • FR756142A - Improvements to electrical energy converters : en fr
  • FR756344A - Process for obtaining trichromatic films : en fr
  • GB402787A - Improvements in delay action mechanism applicable to electric switches : en
  • CA337703A - Wire rope fastener : en fr
  • FR756391A - Soft leather gaiter adapts to low shoes : en fr
  • GB402616A - Transmission gear for power driven vehicles : en
  • US1938392A - Pneumatic shock absorber : en
  • GB402674A - Freezing apparatus : en
  • GB402688A - Improvements in the construction of idlers for conveyors : en
  • US1937847A - Annealing pot : en
  • US1937962A - Oxidation of side chain aromatic compounds : en
  • DE589453C - Coloring device for color films : de en
  • US1937810A - Bearing bushing press : en
  • FR756408A - Bottle : en fr
  • GB402479A - Improvements in or relating to the adsorption of gases or vapors : en
  • GB402596A - Improvements in and relating to lamp supporting devices : en
  • FR756268A - Improvements to hydraulically or liquid-controlled brakes : en fr
  • US1938057A - Process for the production of alkali phosphates : en
  • DE589296C - Device for cutting out circular or elliptical holes in the wall of a pipe : de en
  • FR756164A - Advanced game table : en fr
  • US1938055A - Isatine compound : en
  • FR756124A - Process for obtaining carbon black : en fr
  • GB402466A - Improvements in and relating to hydraulically, or liquid pressure, operated brakes : en
  • GB402635A - Improvements in magneto-electric ignition machines : en
  • US1937580A - Gas making apparatus : en
  • US1938500A - Hammer mill : en
  • DE589205C - Switching device for a dog clutch, especially for motor vehicles : de en
  • GB402735A - Improvements in or relating to capless electric incandescent lamps or discharge tubes and holders therefor : en
  • US1938342A - Lock : en
  • GB402784A - Improvements in the manufacture of cellulosic films, sheets and threads : en
  • GB402788A - Improvements relating to diacetone alcohol : en
  • DE573732C - Multiple fuse cartridge for insertion in a screw plug head : de en
  • FR756244A - Improvements to flat knitting machines : en fr
  • US1937595A - Automatic thread changing mechanism for striping attachments : en
  • US1938509A - Collapsible crate : en
  • FR756402A - Electric motor tool : en fr
  • DE589097C - Containers for skin and nail care devices and agents : de en
  • DE589543C - Feeding device for tube dryer : de en
  • US1937894A - Time service synchronizing system : en
  • US1938333A - Journal box : en
  • FR756418A - Improvements made to liquid purifiers : en fr
  • FR756261A - Mannequin arm attachment device : en fr
  • FR756133A - Rotary machine : en fr
  • FR756431A - Nail : en fr
  • FR756444A - Carrying box for pneumatic tube transport systems : en fr
  • US1937552A - Process and apparatus for carbonizing powdered coal : en
  • US1937700A - Elastic bracelet chain : en
  • US1938437A - Collapsible pressure ring : en
  • DE589367C - Thread locking contact in connection with a ball arrangement : de en
  • DE589518C - Drive of spin dryers or the like by means of compressed air : de en
  • US1937608A - Scaffolding : en
  • US1937895A - Animal weaner : en
  • DE589396C - Combustion ceiling : de en
  • FR756379A - Flexible coating for making leather goods and the like : en fr
  • GB402515A - Improvements in or relating to advertising or like apparatus : en
  • FR756424A - : fr
  • FR756212A - Authentic pouring cap : en fr
  • FR756407A - System for converting a carburetor for light hydrocarbons into a carburetor operating either on light hydrocarbons or on heavy hydrocarbons : en fr
  • GB402636A - Generator for producing relaxation oscillations of controllable frequency : en
  • DE589235C - Tampers for compacting molding and core sand : de en
  • FR756342A - Regulating mechanism of the number of revolutions for engines, turbines, etc. : en fr
  • DE589291C - Sheet metal housing for internal combustion engines : de en
  • US1937524A - Process for manufacturing copper compounds and product : en
  • GB402587A - Improvements in or relating to electrically-driven pumping mechanism : en
  • DE589444C - Voltage transformer for high voltages, especially dry voltage transducers : de en
  • FR756129A - Heating circuit control device : en fr
  • FR756432A - Automatic firearm and method for making it capable of firing reduced caliber cartridges : en fr
  • US1938065A - Microray vacuum tube : en
  • US1937800A - Fuel discharge means for rotary oil burners : en
  • US1937856A - Vacuum tube filament structure : en
  • US1937859A - Liquefied gas pump : en
  • US1937514A - Cooling system for internal combustion engines : en
  • US1937891A - Brake shoe : en
  • US1938080A - Pneumatic clutch controller with supplemental spring : en
  • DE589212C - Mobile transport container for garbage, refuse and other waste bulk material : de en
  • DE589262C - Pre-chamber diesel engine : de en
  • GB402665A - Improvements in luminous electric discharge tubes : en
  • DE589230C - Single-core cable coupling : de en
  • US1938170A - Manufacture of porous structures : en
  • US1938046A - Process for separating aluminium alloys : en
  • US1938076A - Cooling means for closed electrical motors, generators, or the like machines : en
  • US1938256A - Volume-control circuits : en
  • US1937885A - Method of manufacturing fluoride materials : en
  • US1938140A - Awning operator : en
  • US1937506A - Method of closing bag tops : en
  • US1937830A - Carburetor : en
  • CA337735A - Packing pad : en fr
  • DE589158C - Collapsible reading and dining table : de en
  • DE589546C - Device for holding synchronous motor generators in : de en
  • GB402505A - Improvements in the manufacture and production of anthraquinone derivatives : en
  • GB402659A - Improvements in and relating to cigarette or cigar cases : en
  • US1937812A - Heating furnace : en
  • US1937874A - Electric condenser : en
  • US1938268A - Internal combustion engine : en
  • US1938285A - Internal combustion engine : en
  • DE589143C - Roller bed : de en
  • DE589183C - Circuit arrangement for the transmission of signals via inductively coupled connecting lines in telecommunications systems : de en
  • DE589480C - Condensation cooling system : de en
  • GB402559A - Improvements in mixing valves for hot and cold water : en
  • GB402711A - Improvements in and relating to tables for domestic ironing machines and the like : en
  • GB402525A - Improvements in atomizers : en
  • GB402667A - Improvements in and relating to hose connections or couplings : en
  • GB402643A - An improved container or case for dry cell electric batteries : en
  • USD91164S - Design for an electric light shade : en
  • US1938431A - Process of making photo-electric tubes : en
  • DE589520C - Process for the preparation of 2-oxynaphthalene-3-carboxylic acid-6-sulfonic acid chloride : de en
  • GB402785A - A gas cooker to be used on ring burner : en
  • US1937898A - Process for forming cement : en
  • US1937914A - Treatment of hydrocarbon oils : en
  • US1937738A - Dishwashing machine : en
  • GB402551A - Improvements in and relating to welding apparatus : en
  • US1937957A - Luminous sign : en
  • GB402448A - Improvements in or relating to heels for boots and shoes and methods of making the same : en
  • GB402759A - Process for the manufacture of technically valuable compounds from oxidation products of drying oils : en
  • FR756254A - Cigarette Making Machine Improvements : en fr
  • FR756335A - Method for raising concrete parapet elements, and suitable element for carrying out this method : en fr
  • FR756179A - Device to temper mechanical rockets with clockwork movement : en fr
  • DE589233C - Device for leaching substances : de en
  • FR756323A - Multistage twisting machine : en fr
  • GB402602A - Improvements in or relating to the induction and lubrication systems of an internal combustion engine : en
  • FR756399A - Manufacturing process : en fr
  • GB402530A - An automatic guard for rotary cutters, particularly such as are used on milling machines : en
  • GB402646A - Improvements in and connected with light weight metal containers : en
  • DE589199C - Shutters made of metal supports that are flanged to the hinge on the edges and covered with insulating material : de en
  • GB402808A - Improvements in or relating to spring overlay mattresses : en
  • GB402584A - Improvements in or relating to snow clearing devices for attachment to road vehicles : en
  • GB402652A - Improvements in thread covering machines : en
  • FR756300A - Mechanical device with reciprocating movement for waxing machine or similar devices : en fr
  • GB402491A - Improvements in machines for washing and polishing drinking glasses, tumblers and the like : en
  • FR756044A - Device to increase the grip of the wheels on the ground : en fr
  • DE589096C - Hair dryer hood : de en
  • GB402792A - Improvements in or relating to clutches for the driving of tools : en
  • US1937994A - Card table : en
  • US1938141A - Portable electric refrigerator and casing therefor : en
  • FR756324A - Control for spinning centrifuges in artificial silk spinners : en fr
  • GB402698A - Improvements in or relating to electric incandescent ignition plugs : en
  • FR756088A - Improvements to stabilized petroleum distillates : en fr
  • GB403626A - Improvements in and relating to photo-electric devices : en
  • FR756423A - Improvements to internal combustion engines : en fr
  • DE585065C - Method and apparatus for obtaining anhydrous methyl alcohol in addition to anhydrous ethyl alcohol : de en
  • FR756247A - Lifting platform for vehicles, etc. : en fr
  • DE589570C - Rung or step fastening for ladders and. like : de en
  • US1937838A - Electron discharge device : en
  • FR756188A - Method of purifying collodions used in the manufacture of varnish, artificial silk, cinema films, and other transparent objects : en fr
  • FR756447A - Chassis for motor vehicles : en fr
  • GB402508A - Improvements in, or relating to, electrical heaters for use in cooking stoves, boiling-plates, and the like, and for analogous purposes : en
  • USD91163S - Design for an electric light shade : en
  • FR756389A - : fr
  • FR756199A - Improvements in the manufacture of rubber thread : en fr
  • FR756137A - Dual ignition magneto : en fr
  • GB402776A - Improvements in the manufacture and treatment of artificial textile materials : en
  • US1938007A - Car body for closed passenger automobiles : en
  • US1938052A - Nursing bottle : en
  • DE589210C - Device for finishing preformed refractory pipe bricks or the like. : de en
  • DE589237C - The use of copper alloys for items that are exposed to low temperatures : de en
  • GB402631A - Improvements in photographic films for television purposes : en
  • FR756059A - Portable floor lamp with variable and adjustable height : en fr
  • FR756263A - Support for collective sinks : en fr
  • US1937504A - Rotatable signaling device : en
  • US1937573A - Legging : en
  • US1937699A - Machine for drying hides, skins, and the like : en
  • US1938478A - Ice carrier : en
  • US1938122A - Retort for the distillation of coal : en
  • US1938199A - Curved-edge window organization : en
  • US1938345A - Combined table and seat : en
  • US1937984A - Refrigerating control system and method : en
  • US1938130A - Grease dispensing device : en
  • US1938236A - Arc lamp : en
  • US1938297A - Production of producer gas : en
  • DE589339C - Arrangement for determining the direction : de en
  • FR756305A - Improvements to clocks : en fr
  • DK48100C - Detachable Button. : da en
  • CA337614A - Liquid discharge and inflow device : en fr
  • FR756084A - Manufacturing process of tubes for heat exchangers : en fr
  • CA337589A - Confection : en fr
  • US1937753A - System for supplying current to vacuum tubes : en
  • GB402579A - Improvements in or relating to the lubrication of laminated springs : en
  • DE589093C - Glass melting furnace : de en
  • DE589427C - Shoe sole marking machine : de en
  • DK48098C - Procedure for Making Potash. : da en
  • US1938187A - Heat regulator : en
  • US1938154A - Flat hosiery frame : en
  • US1937908A - Equalizing riveting machine : en
  • DE589157C - Closed channel for metal furnaces to introduce additives into the flowing metal : de en
  • DE589353C - Device for regulating the gas and water supply for water heating systems : de en
  • DE589424C - Liquid shock absorbers, especially for motor vehicles : de en
  • DE589257C - Process for the production of high quality malleable cast iron : de en
  • GB402474A - Improvements in or relating to electrical socket contacts : en
  • US1937596A - Tail wheel assembly for aircraft : en
  • USD91134S - Design for a bottle opener : en
  • US1937511A - Shock absorber for vehicles : en
  • US1938167A - Heat motor : en
  • DE589362C - Preservation of green fodder : de en
  • FR756252A - Trephine drilling machine, for stone, brick, cement, and all similar bodies : en fr
  • GB402694A - Improvements in centrifugal metal casting machines : en
  • DE589526C - Device for the ignition of mercury vapor rectifiers using cathode mercury sprayed against a fixed anode by means of an electromagnetically controlled displacement body : de en
  • FR756358A - Advanced safety razors : en fr
  • FR756064A - New weight system for angling : en fr
  • FR756427A - Method and device for delivering treatment agents for wavy hair : en fr
  • DE589213C - Steam oven with a heating duct extending from the firebox under the lowest oven : de en
  • US1938383A - Swab : en
  • DE589351C - Heating device for permanent hair wave devices : de en
  • DE589509C - Vertical chamber furnace with chambers made up of individual stones : de en
  • US1938265A - Mechanical pool table : en
  • US1937846A - Thermionic tube : en
  • DE581094C - Glass blowing machine : de en
  • DE589539C - Lockable hat and coat hook : de en
  • US1938131A - Ventilating flue cap : en
  • US1937975A - Can puncturing device : en
  • US1937789A - Copying machine : en
  • US1938156A - Airplane construction : en
  • CA337695A - Calculating machine : en fr
  • CA337692A - Tire cover : en fr
  • US1938072A - Method and apparatus to control the concentration of boiler waters : en
  • US1938180A - Process for the manufacture of organic metallo compounds : en
  • US1938465A - Apparatus for removing boots and shoes from lasts : en
  • DE589268C - Device for measuring webs of fabric : de en
  • AU1261133A - Improvements in or relating to adjustable pitch air screws : en
  • US1938233A - Broaching machine : en
  • CA337701A - Channel : en fr
  • GB402455A - Improvements in steam dryer or grit and dust extractor from air or gases and the like : en
  • GB403365A - Device for the production of musical sounds by electrical methods : en
  • US1938120A - Trailer tracking device : en
  • US1938190A - Die mount : en
  • US1938321A - Wind musical instrument : en
  • US1937870A - Artificial leg : en
  • US1937900A - Vehicle and the like : en
  • DE589416C - Friction disk drive for drilling machines coupled with an electric motor : de en
  • DE589573C - Process for the production of a reversible concentrate containing fillers from dispersions of rubber and similar substances : de en
  • US1937991A - Pipe conveyer roll : en
  • AU1027932A - Improvements in or relating tothe manufacture of welted shoes : en
  • US1938328A - Conversion of hydrocarbons having a high boiling-point into hydrocarbons having a lower boilingpoint by destructive hydrogenation : en
  • AU1079633A - Amendment : en
  • USD91146S - Design for an ophthalmic-mounting : en
  • US1937702A - Brake drum : en
  • US1938181A - Dispensing container : en
  • US1938467A - Circuit breaker : en
  • US1937612A - Battery terminal connecter : en
  • US1937982A - Coupling : en
  • US1938524A - Holder for cigars or cigarettes : en
  • CA337572A - Moth excluding device : en fr
  • FR756213A - Electrically heated hot water flow device : en fr
  • GB402592A - Improvements in carburettors for internal combustion engines : en
  • CA337607A - Railway ballast scraper : en fr
  • US1937743A - Sealing means : en
  • US1938018A - Thread control mechanism : en
  • US1937748A - Short wave radio beacon : en
  • GB402504A - Improvements in and relating to all steel hand forks : en
  • CA337560A - Electron emitter : en fr
  • CA337723A - Electrical protective system : en fr
  • CA337621A - Sheet metal box or can : en fr
  • DE578084C - Device for transferring values between several office machines : de en
  • US1938395A - Rheostat : en
  • DE589441C - Process for the production of baked goods, in particular rusk : de en
  • US1938475A - Choke : en
  • DE589435C - Jacquard device for flat knitting and left-left machines : de en
  • GB402484A - Improvements in ink ribbon mechanism : en
  • US1937814A - Machine for the printing of positive bichromate films : en
  • US1937840A - Method of uniting or soldering : en
  • US1938410A - Assembly of electrical apparatus : en
  • CA337564A - Tobacco pouch : en fr
  • US1938319A - Means for controlling gear shifting mechanism : en
  • CA337690A - Double section tire cover : en fr
  • DE589494C - Buttonhole sewing device : de en
  • CA337669A - Amine production : en fr
  • US1938159A - Holder and sterilizer for hair clippers : en
  • US1938562A - Means for stringing tennis rackets : en
  • US1937759A - Art of refining : en
  • US1937550A - Container car : en
  • US1938450A - Wall case : en
  • US1938527A - Grated cheese basin with automatic opening and shutting device : en
  • US1937693A - Typewriting machine : en
  • US1937837A - Ore concentration : en
  • US1937936A - Dial indicator gauge : en
  • DE589168C - Spouts for tapping vessels : de en
  • DE589380C - Protective circuit for eliminating faults due to double earth faults in three-phase networks by giving preference to one phase : de en
  • DE589506C - Bucket chain high excavator with articulated ladder for the separate extraction of two layers of earth lying one above the other : de en
  • GB402638A - Improvements in or relating to valves for the bladders of footballs and other inflatable articles : en
  • US1938257A - Production of hollow ingots : en
  • DK48105C - Assembly device for packing surfaces between two boiler elements, at flange joints, etc., where great tightness is required. : da en
  • DE583551C - Device for cleaning substances suspended in liquids, especially paper stock, cellulose and the like. a. : de en
  • US1937999A - Camshaft grinding machine : en
  • US1938003A - Self adjusting sunlight reflector : en
  • US1938389A - Tanning process : en
  • DE589249C - Firing pin lock for weapons without hand-controlled continuous fire trigger : de en
  • DE589336C - Process for operating perforated disks for television purposes : de en
  • US1938384A - Humidor : en
  • US1937646A - Clothes drier : en
  • US1938001A - Vacuum tube electrode socket : en
  • US1938493A - Abradant driving head : en
  • US1937806A - Shipping drum : en
  • US1938494A - Wood distilling apparatus : en
  • DE589202C - Stacking and feeding device for workpieces on cardboard machines : de en
  • GB402693A - Combined heat-exchanger and centrifugal dust separator particularly for heating air by and separating dust from flue gases : en
  • FR756258A - Hooded coat : en fr
  • GB402561A - Improvements in or relating to veneering presses : en
  • CA337563A - Rotary ground working implement : en fr
  • CA337694A - Loud speaker mounting : en fr
  • GB402696A - Improvements in or relating to gas-filled electric incandescent lamps : en
  • CA337650A - Luminous tube : en fr
  • US1937888A - Gearless type pressure gauge : en
  • US1938099A - Friction spring : en
  • US1938157A - Bicycle transmission : en
  • US1938315A - Journal box lid : en
  • USD91154S - Design fob an electric light shade : en
  • GB402457A - Improvements in or relating to steam superheater elements for use in locomotive and other smoke tube boilers : en
  • FR756234A - Loom : en fr
  • FR756114A - Photometer : en fr
  • FR756235A - Method of presentation of confectionery and similar products : en fr
  • GB402582A - Improvements in and relating to self-starting synchronous motors : en
  • DE589423C - Power clutch operated by pressure medium on motor vehicles : de en
  • FR756065A - Stained glass, particularly for churches and other reinforced cement constructions and its manufacturing process : en fr
  • CA337617A - Card interpreter : en fr
  • US1937872A - Recovery of gasoline from natural gas : en
  • US1938184A - Regenerative photo-electric cell : en
  • US1938486A - Portable derailer : en
  • GB402459A - Improvements in and relating to automatic exchanging apparatus for tokens, staffs and the like : en
  • US1938073A - Electric wave filter : en
  • USD91153S - Design for a serving wagon : en
  • CA337699A - Voltage changing apparatus : en fr
  • GB403116A - Process for manufacturing waterproof paper and pasteboard : en
  • DE589538C - Suspension fork for motorcycles u. like : de en
  • DE589389C - Household refrigerator operated by a cooling machine : de en
  • FR756029A - Engraving and copying machine with pantograph device : en fr
  • DE589297C - Device for inclined parting off and dividing pipes using a cutting torch : de en
  • GB402626A - Improvements relating to the production of imitation leaded lights : en
  • US1937615A - Shipping container : en
  • US1937691A - Expanding brake : en
  • US1938308A - Electrical insulation : en
  • US1938434A - Radiator : en
  • FR756045A - Decoration process on glass : en fr
  • GB402586A - Improvements in or relating to electric discharge tubes employing heated electrodes : en
  • US1937868A - Display tray : en
  • US1938205A - Refrigeration system : en
  • US1938227A - Process for producing synthetic lumber that is not attacked by insects : en
  • FR756126A - Fittings intended to serve as supports and to be fixed in facades, walls, partitions, etc. : en fr
  • US1938415A - Tong chain splicer : en
  • US1937599A - Apparatus for waving hair : en
  • US1938096A - Tube forming machine : en
  • US1938175A - Manufacture of alkyl hypohalites : en
  • FR756172A - Improvement in fluid distribution systems : en fr
  • GB402621A - Improvements in and relating to the production of immunising substances : en
  • US1937593A - Guide frame for shaker chutes : en
  • US1937742A - Reamer for well drills : en
  • FR756387A - High voltage cable : en fr
  • CA337646A - Angle cock device : en fr
  • DE589299C - Movable air nozzles for cooling the film tape in cinema playback machines : de en
  • DE589502C - Box conveyor for bulk goods : de en
  • GB402783A - Improvements in or relating to chairs : en
  • GB402703A - Improvements in and relating to electric discharge devices : en
  • AU998532A - Process and apparatus for the separation of gold or other concentrate from sand and other gangue : en
  • DE589578C - Device for sorting, cleaning or sifting grain and other substances : de en
  • FR756372A - Pump installation comprising a self-priming centrifugal pump for a suction height greater than that given by atmospheric pressure : en fr
  • FR756267A - Device for cleaning grooved rails : en fr
  • FR756397A - Distillation apparatus for substances with a high boiling point : en fr
  • DE589390C - Compressed air braking device : de en
  • DE589442C - Slide fastener with two rows of snap-button links : de en
  • FR756169A - Progressive unbalance pulley : en fr
  • FR756189A - Improvement in centrifugal treatment of viscoses : en fr
  • GB402554A - Improvements in or relating to vehicles for the transport of animals : en
  • GB403102A - Manufacture of a baked cereal preparation : en
  • US1937540A - Railway car : en
  • US1937820A - Method of testing steel : en
  • US1937887A - Broaching device : en
  • US1938091A - New helicopter : en
  • DE589265C - High-speed planing machine with hydraulic drive : de en
  • GB402815A - Improvements in and relating to electric motor control for hoisting-apparatus and the like : en
  • GB403114A - Improvements in or relating to devices for recording or reproducing sound films : en
  • US1938296A - Gas producer : en
  • US1937643A - Carton : en
  • US1937651A - Flash light switch : en
  • US1938022A - Tanning agent : en
  • GB402796A - Improvements in or relating to the manufacture of metal articles : en
  • GB402805A - Improvements relating to machines for the making of box ends and like constructions : en
  • GB402664A - Improvements in or relating to incandescent electric lamps : en
  • US1937931A - Fire resistant cabinet or safe : en
  • US1937995A - Process for the separation and recovery of the constituents of sea water : en
  • US1937733A - Roller bearing : en
  • DE572963C - Partial chamber water tube boiler : de en
  • IE13392L - Anti-detonating fuel : en
  • DE589176C - Device for the production of tapes from gelatine, cellulose derivatives and the like. like : de en
  • FR756121A - Improvement in packaging of pharmaceutical, chemical and similar products : en fr
  • DK48115C - Gymnastic apparatus. : da en
  • FR756243A - Double flexible blade broom : en fr
  • GB402512A - Improvements in pole steps : en
  • GB402734A - Improvements in and relating to electric condensers : en
  • US1937886A - Combination chair, stepladder, and ironing board device : en
  • GB402528A - Improvements in shoes and boots made wholly or partly of rubber : en
  • FR756039A - Arrangement for setting synchronism in transmitter and receiver systems for the transmission of telegraph signals according to the start-stop process : en fr
  • GB402506A - Improvements in or relating to mole-draining apparatus : en
  • GB402705A - Improvements in or relating to sponge rubber sealing strips : en
  • US1937667A - Antifreeze device for water pipes : en
  • US1938162A - Production of compounds from : en
  • FR756302A - Automatic gun : en fr
  • DE589289C - Carrier for a rotatable wash arm of a dishwasher : de en
  • US1937781A - Dike : en
  • FR756228A - Cable car specially assigned to passenger transport : en fr
  • GB402540A - Improvements in or relating to twin sole-laying presses : en
  • DE589231C - Banana pin with narrow longitudinal slots : de en
  • DE589184C - Method for making healing bread : de en
  • DE589204C - Process for making photographic fixing media recyclable : de en
  • DE589152C - Device for starting asynchronous starting synchronous motors : de en
  • DE589514C - Process for the production of concrete bodies with particularly high strengths : de en
  • FR756001A - Machine for peripheral machining of round or non-round, rectilinear or bent in the direction of their longitudinal axis, with rotary tools, rotating around the workpiece : en fr
  • US1937907A - Boat propelling means : en
  • US1937976A - Film pressing arrangement for motion picture apparatus : en
  • DE589279C - Wheatstone bridge circuit for regulating the carbon spacing of arc lamps : de en
  • CA337633A - Modulation system : en fr
  • CA337600A - Wall protecting shield : en fr
  • CA337627A - Thermostatic valve : en fr
  • US1938069A - Coin controlled lock : en
  • US1938070A - Preparation of sausage casings for stuffing : en
  • US1938481A - Safety razor : en
  • CA337682A - Cocoa package : en fr
  • US1938278A - Machine for operating upon hides, skins, leather, and other similar pieces of works : en
  • CA337581A - Fruit and vegetable shredder : en fr
  • US1937835A - X-ray change over system : en
  • US1937877A - Container for transporting and storing liquefied gases : en
  • DE589273C - Hose coupling for pipes with vertical connection : de en
  • CA337727A - Bumper : en fr
  • US1937922A - Convenience wall outlet : en
  • US1938432A - Signal lamp : en
  • US1938313A - Method of engraving printing cylinders : en
  • US1938417A - Clock illuminating mechanism : en
  • US1938353A - Sheet metal pail : en
  • CA337668A - Diamine production : en fr
  • US1937757A - Manufacture of sodium nitrate : en
  • CA337574A - Bottle and can sealing machine : en fr
  • CA337601A - Peroxide solution stabilization : en fr
  • DE589239C - Spark plug cooling : de en
  • US1937585A - Operating lamp : en
  • US1937996A - Radio tuning control : en
  • US1938025A - Bag dispensing device : en
  • US1938418A - Pump valve : en
  • CA337677A - Knitting machine and knitted article : en fr
  • US1937941A - Process for removing phenols from liquors containing same : en
  • US1938358A - Elastic fluid generator : en
  • DE589492C - Vehicle engine set, consisting of an internal combustion engine with a traffic compressor and a compressed air system that is directly coupled to it and includes an additional compressor and a compressed air motor : de en
  • DE589532C - Switching device for photocells : de en
  • US1937954A - Garment displaying device : en
  • US1938421A - Spacer for electrical winding coils : en
  • US1937665A - Portable rail grinding machine : en
  • US1938188A - Permanent wave machine : en
  • DE589491C - Pulled number roller for counters : de en
  • GB402730A - Manufacture of cellulose esters : en
  • US1937764A - Insulator : en
  • GB402481A - Improvements in or relating to pulverising crushing and/or breaking machines : en
  • GB402704A - Improvements in apparatus for excavating and distributing earth : en
  • GB402733A - Improvement in colloidised mixed cellulose ester products : en
  • FR756281A - Installation of protection against raised contact voltages in the neutral conductors of distribution networks, in the event of a break in the neutral conductor : en fr
  • AU972332A - Improvements in or relating to tools for cutting tongues in metal sheets : en
  • DE589429C - Process for the production of vinegar from carbohydrates : de en
  • USD91165S - Design for a textile fabric : en
  • US1938457A - Limited ratio device : en
  • DE589459C - Climbing top : de en
  • DE589319C - Synchronous single-phase AC motor with automatically reversing rotary movement : de en
  • DE589519C - Process for the production of durable solutions of aminobenzoic acid alcohol esters : de en
  • US1937656A - Garment leg ironer : en
  • FR756067A - Cinematographic film projection device : en fr
  • US1937685A - Doorcheck : en
  • DE589163C - Process and device for the production of flaky sheets of suitable metal alloys for dental amalgams : de en
  • GB402726A - Improvements in or relating to heat insulation : en
  • US1937581A - Vibration dampener : en
  • GB402649A - Improvements in and relating to recuperators : en
  • DE589523C - Device for starting single-armature converters with impulse and run-up voltage using a rotary transformer : de en
  • FR756116A - Device for deburring and making grooves in stoneware pipes : en fr
  • FR756156A - Process for the preparation of naphthalene-1.4.5.8-tetracarboxylic acids : en fr
  • CA337628A - Brake mechanism : en fr
  • US1937659A - Wayguard and platform construction for machine tools : en
  • US1938343A - Folding easel : en
  • GB402725A - Improvements in or relating to refrigerating apparatus : en
  • DE589164C - Impact mill : de en
  • US1938084A - Shock absorber : en
  • GB402598A - Improvements in razors and sharpening devices therefor : en
  • GB402841A - Improvements in type line composing and casting machines : en
  • GB402668A - Improvements in and relating to supply fillings for geysers and like heaters : en
  • FR756443A - Mechanism for controlling the speed of motors by means of fluid pressure : en fr
  • US1937961A - Wheel truing device : en
  • US1938107A - Drilling machine and the like : en
  • US1938441A - Water heater : en
  • CA337577A - Journal box mounting : en fr
  • DE589486C - Template and molding device for the production of casting molds for ship propellers : de en
  • FR756159A - Rotary anode discharge tube : en fr
  • FR756103A - Time memorandum with mechanical signals : en fr
  • GB402588A - Process for the production of mullite : en
  • FR756083A - Improvements to galvanic cells : en fr
  • FR756125A - Ice maker for domestic use : en fr
  • FR756388A - Self-hooking feather for angling : en fr
  • GB402585A - Improvements in or relating to steam engines : en
  • FR756073A - Back for coaster for photographs, cards or documents : en fr
  • GB402485A - Improvements in and relating to dynamo electric machines : en
  • US1937660A - Striping implement : en
  • US1938094A - Process for decolorizing hydrocarbon distillates : en
  • US1938271A - Internal combustion engine : en
  • FR756007A - Carburetor improvements : en fr
  • GB402671A - Improvements in or relating to apparatus for fixing tubular rivets : en
  • GB402699A - Rotary electric switch : en
  • USD91158S - Design for an electric light shade : en
  • GB402496A - Improvements in and relating to electric switches and spark-discharge apparatus : en
  • GB402521A - Manufacture of dyes and sensitised photographic emulsions : en
  • GB402647A - Improvements in washing machines : en
  • DK48107C - Device at Rystesold. : da en
  • US1937668A - Carboy truck : en
  • US1938250A - Oil dipper for automatic lubricating boxes of bearings : en
  • US1938348A - Apparatus for starting liquid fuel burners : en
  • FR756270A - Motor-pump unit : en fr
  • FR756259A - Fixed roller bar : en fr
  • USD91142S - Design for a furnace hot water : en
  • GB402612A - Improvements in hand-operated cigarette-making machines : en
  • FR756153A - Loom : en fr
  • FR756204A - Improvements to washing machine homes : en fr
  • GB402739A - Improvements in or relating to gas cocks : en
  • GB402790A - Improvements in apparatus for rocking shafts : en
  • GB402478A - Improved apparatus for indicating statistical or other data : en
  • DE589379C - Protection device against overcurrents in an electrical distribution network : de en
  • US1938082A - Radio transmitter device : en
  • DK48092C - Procedure for filling compressed coal gas into bottles. : da en
  • GB402611A - Improvements in methods and apparatus for the transformation of molten material into the form of solid round bodies : en
  • DE589181C - Mold for hollow objects made of chocolate : de en
  • FR756279A - Improvements to machines for pressing soles on shoes : en fr
  • USD91151S - Design for a bathroom scale : en
  • CA337680A - Measuring and packaging method : en fr
  • FR756221A - Device for assembling joists to floor irons : en fr
  • FR756231A - Improvements to rotary piston machines arranged in a star : en fr
  • US1938033A - New cellulose compounds and process for making same : en
  • US1938223A - Extension table : en
  • US1937712A - Cleat for sport shoes : en
  • DE589304C - Sole protection cramp for ski boots : de en
  • DE589366C - Thread safety device for vertical surfaces : de en
  • DE589575C - Process for the production of glossy, non-transparent shrink capsules made of viscose when drying : de en
  • FR756056A - Scoring device for various games : en fr
  • US1937796A - Attenuating and selecting circuts : en
  • US1938164A - Intake arrangement for internal explosion engines : en
  • US1937635A - Process of treating lead sulphide ores : en
  • CA337683A - Earth moving device : en fr
  • CA337734A - Textile material production : en fr
  • US1937911A - Collapsible necktie-holder : en
  • US1938185A - Egg cooking utensil : en
  • DE589301C - plane : de en
  • DK48117C - Device by Cheese Molds. : da en
  • FR756337A - Improvements in high pressure steam valves : en fr
  • AU1177833A - Improvements relating tothe rheostatic braking of electric motors : en
  • US1937985A - Roll grinding or similar machine : en
  • US1937849A - Focusing device for cathode rays : en
  • DE570379C - Note typewriter : de en
  • US1938054A - Indigoid dyestuff : en
  • US1937903A - Eyeglass or spectacle mounting : en
  • US1937981A - Extension cord : en
  • DE589287C - Device for attaching soap to brushes by means of a resilient holder : de en
  • US1938290A - Photomechanical printing : en
  • US1938295A - Indicating apparatus for cash : en
  • CA337594A - Anti-dazzle lamp : en fr
  • CA337595A - Golf club : en fr
  • US1938277A - Spring bed : en
  • US1937622A - Shoe : en
  • US1937675A - Box strapping machine : en
  • US1937749A - Bituminous materials and process of making same : en
  • US1937666A - Regulating apparatus : en
  • US1938133A - Treatment of glassine paper : en
  • USD91159S - Design fob an electric light shade : en
  • US1937696A - Electric furnace system : en
  • US1938267A - Vehicle hood locking means : en
  • US1938064A - Apparatus for cleaning waste pipes : en
  • GB402567A - Improvements in or relating to picture frames or the like : en
  • CA337715A - Electro-optical system : en fr
  • FR756357A - Coupling and switching device for variable currents applicable in particular to telephone and radiotelephone currents : en fr
  • US1938284A - Internal combustion engine : en
  • FR756102A - Sofa convertible into bed : en fr
  • FR756177A - Improvements to grinding machines : en fr
  • GB402772A - Improvements in or relating to knitted articles and to methods of knitting : en
  • DE589169C - Knife protection for meat wolves : de en
  • GB402634A - Improved means for anchoring the bladders of foot-and like game-balls within their casing : en
  • US1937575A - Latent print lifting means : en
  • DE589313C - Device for volume control by changing the grid voltage of a high-frequency tube by means of an adjustable resistor : de en
  • DE589255C - Process for the production of lignin raw material for the production of active or hard coal by acid hydrolysis of wood : de en
  • US1937715A - Moistureproof terminal lug protector : en
  • US1938066A - Screen grating for the simultaneous two-directional transmission of ultra-short waves : en
  • US1938454A - Mixing valve : en
  • US1937881A - Pipe joint : en
  • DE589332C - Device for rolling up sheet metal strips : de en
  • CA337632A - Hydrogen production : en fr
  • DE589186C - Fully automatic machine for cutting stacks of paper into strips : de en
  • DE589430C - Method of mixing pulpy substances : de en
  • CA337693A - Multi section tire cover : en fr
  • FR756069A - Coffee maker for the automatic preparation of caié and other infusions : en fr
  • FR756405A - Stabilized loading system for hunting casings : en fr
  • GB402806A - Metal hoop for athletic exercises and sports : en
  • US1937731A - Insulator : en
  • US1937993A - Molding apparatus : en
  • USD91144S - Design fob an emblem : en
  • CA337603A - Electromagnetic switch : en fr
  • FR756131A - Process for the production of condensate products of the anthraquinone series : en fr
  • CA337718A - Telephone call distributing system : en fr
  • US1938300A - Floor polishing machine : en
  • USD91143S - Design for an electric socket : en
  • US1938362A - Grate frame : en
  • DK48099C - Procedure for Making X-ray Photographs. : da en
  • US1937792A - Vacuum furnace cleaner : en
  • US1937678A - Insole : en
  • US1937963A - Production of aralkylaryl carboxylic acid : en
  • US1938470A - Gas or electric cooking apparatus : en
  • GB402613A - Manufacture of alcohols : en
  • USD91149S - Design for a golf tee : en
  • CA337605A - Casing head equipment : en fr
  • DE589302C - Articulated coupling for motor vehicles : de en
  • DE589305C - Security system against burglary, in which a thread is guided over a number of turning points and held taut by weight or spring loading : de en
  • DE589490C - Speed indicator, especially for separators : de en
  • AU1035332A - Improvements in pots for boiling purposes : en
  • CA337559A - Adhesive : en fr
  • DE589310C - Reel for scraper systems, especially for underground use : de en
  • DE589413C - Toothed rubber V-belt : de en
  • DE589363C - Rotary wedge coupling with non-return device, especially for intermittent machines such as crank and eccentric presses : de en
  • US1938456A - Gum inhibiting treatment of cracked petroleum distillates : en
  • DE589432C - Method for stranding telephone cable cores into single groups or from groups into multiple groups : de en
  • US1937772A - Hydraulic turbine : en
  • US1937979A - Book stitching and folding machine : en
  • US1938504A - Doubling and twisting machine : en
  • CA337717A - Translating device : en fr
  • GB402741A - An improved process for dressing textile threads : en
  • DE589487C - Reinforced plaster support plate : de en
  • US1937836A - Process of forming viscose products : en
  • GB402516A - Improvements in or relating to sight-testing apparatus : en
  • GB402656A - Improvements in or relating to discharge tubes for controlling electrical oscillations : en
  • FR756104A - Time memorandum with mechanical signals : en fr
  • DE589192C - Suspension device for electrical overhead lines : de en
  • FR756092A - Devices for the manufacture of mineral wool and in particular slag wool : en fr
  • FR756233A - Braking device for loom shuttles : en fr
  • US1938048A - Mechanism for the continuous production of slabs of edible fats and the like : en
  • US1938545A - Dewaxing hydrocarbon oils : en
  • US1937676A - Traveler : en
  • US1938166A - Continuous absorption refrigerating machine : en
  • US1938031A - Meta-hydroxyl-phenyl-arylamino carboxylic acids : en
  • FR756076A - Sprayer for liquid fuels : en fr
  • FR756257A - Advanced portable electric lamp : en fr
  • FR756115A - Device for telemetry, remote control, etc. : en fr
  • FR756392A - Steam saturator : en fr
  • GB402811A - Improvements in or relating to road making : en
  • DE589159C - Loading device on board gluing machines : de en
  • US1938238A - Elevator control system : en
  • US1938526A - Totalizator counting and displaying arrangement : en
  • CA337566A - Cereal husking method : en fr
  • DE589370C - Device for the automatic control of toy vehicles : de en
  • DE589330C - Manufacture of aluminum sulfate : de en
  • DE589553C - Composite cylinder mills with different types of grinding bodies in the individual chambers : de en
  • FR756348A - Coating for walls or other walls and apparatus for the manufacture of this coating : en fr
  • US1938429A - Metal frame for screens : en
  • GB402722A - Improvements in devices for receiving and collapsing collapsible refill containers for paste-like or liquid products in order to expel their contents : en
  • US1937562A - Toasting apparatus : en
  • US1938534A - Method of and apparatus for electrical prospecting : en
  • US1937621A - Electrolytic apparatus : en
  • US1938113A - Ice cream cone : en
  • DE589331C - Process for the preparation of rhodanides of heterocyclic quaternary ammonium bases : de en
  • FR756365A - Profiling process and machine for carrying out said process : en fr
  • US1937574A - Coated welding electrode : en
  • US1937714A - Battery construction : en
  • US1937773A - Controlling apparatus for highway crossing signals : en
  • US1938200A - Band-saw operating mechanism : en
  • US1938387A - Automatic soldering machine : en
  • US1938273A - Internal combustion engine : en
  • DK48118C - Insulated Power supply device for control grilles in metal vapor valves. : da en
  • FR756385A - Automatic coupling of railway trains : en fr
  • GB402774A - Improvements in or relating to the manufacture of safety glass : en
  • US1938487A - Knife wiper lever bracket : en
  • DE589425C - Auxiliary braking device, in particular for motor vehicles : de en
  • US1937542A - High-power electron generating device : en
  • US1937670A - Door holding device : en
  • US1937717A - Cable fitting : en
  • US1938302A - Dishwashing machine : en
  • FR756238A - Improvements to punched cards and machines controlled by them : en fr
  • GB402712A - Improvements in or relating to rotary and semi-rotary furnaces : en
  • FR756219A - Improved process for manufacturing cylindrical metal containers for pressurized gas : en fr
  • DE589260C - Electrical wound capacitor with small capacitance tolerances : de en
  • GB402720A - Improvements in horns : en
  • US1937613A - Manufacture of calcium hypochlorite : en
  • US1937883A - Time recorder : en
  • US1938261A - Storage battery clip : en
  • US1938293A - Wire belt : en
  • GB402518A - Improvements in and connected with cattle trucks, farmers' wagons and the like : en
  • FR756409A - Reservoir pen holder : en fr
  • FR756512A - : fr
  • US1937822A - Beneficiation of ores : en
  • US1937864A - Nonremovable clutch or friction grip : en
  • DE589276C - Process for producing the excitation winding of electrodynamic loudspeakers : de en
  • FR756361A - Powder box : en fr
  • GB402489A - Improvements in and relating to the manufacture of pressed steel junction boxes of all types used in connection with electrical wirings in conduit : en
  • US1938240A - Folding chair bed : en
  • US1938530A - Cutter pick unit : en
  • US1937862A - Electric braking mechanism : en
  • US1938132A - Agricultural apparatus : en
  • US1937783A - Wireless communication apparatus : en
  • US1937973A - Seaplane landing float : en
  • DE589201C - Process for making fruit jelly : de en
  • FR756066A - Method and device for promoting the production of crystals in saturators : en fr
  • GB402594A - An improved fastening device for shoes and like footwear : en
  • FR756381A - Device for controlling an electrical circuit and stations connected to this circuit : en fr
  • US1937647A - Burial vault : en
  • US1937770A - Portable fabric steamer : en
  • US1938148A - Airplane with supporting surfaces of variable area : en
  • US1938178A - Hydrolysis of esters : en
  • DK48106C - Procedure for Making Cardboard Boxes or the Like. : da en
  • GB402670A - Improvements in exhaust silencers for internal-combustion engines : en
  • US1938051A - Container with adjustable package holder : en
  • US1938381A - Telephone system : en
  • US1938510A - Dress shirt protector : en
  • US1938538A - Negative glow system for creating illusion of motion : en
  • US1937878A - Method of making wheels : en
  • US1938444A - Press roll : en
  • US1938116A - Process of removing odors from petroleum distillates : en
  • AU1188733A - Improvements in or relating tothe production of composite wooden articles particularly rackets, bats and like sports equipment : en
  • US1938225A - Collapsible box : en
  • US1938067A - System for reducing fading effects in broadcast receivers : en
  • FR756208A - Bathtub for bathing and washing the lower parts of the human body trunk : en fr
  • FR756355A - Rearview mirror for motorcycles : en fr
  • US1938230A - Concrete pipe making machine : en
  • US1938479A - Dispensing container : en
  • DK48112C - Accounting machine. : da en
  • FR756181A - Automatic starting mechanism for internal combustion or internal combustion engines : en fr
  • FR756312A - Electromagnetic lamp with very high amplification coefficient : en fr
  • GB402779A - Improvements in and relating to automatic record-changing means for gramophones and to records for use therewith : en
  • FR756354A - Method and device for stabilizing ships : en fr
  • US1937629A - Black finishing metal articles : en
  • US1937766A - Divided filter : en
  • US1937965A - Transmission : en
  • FR756230A - Apparatus for producing a depression on the skin : en fr
  • US1938536A - Folding machine : en
  • CA337702A - Paper towel : en fr
  • DE589153C - Relay for distance protection circuits : de en
  • FR756021A - Adhesive product for fixing and maintaining antiseptics on plants, mainly on vines : en fr
  • CA337647A - Trip cock device : en fr
  • US1938318A - Method of and apparatus for making pertused sheets : en
  • US1938341A - Mushroom spawn culture : en
  • US1938459A - Mechanically operated hammer : en
  • US1937653A - Automobile drive axle : en
  • US1938420A - Apparatus for making dipped rubber goods : en
  • US1937740A - Internal combustion engine : en
  • US1938258A - Window fastener : en
  • GB402695A - An improved sheet feeding machine : en
  • DE589147C - Relay for multi-aspect light signal : de en
  • US1938062A - Tubing hanger for oil wells : en
  • US1938514A - Combination table and dressing cabinet : en
  • FR756251A - Hygienic pillow : en fr
  • FR756339A - Further development of balances using the triple rectilinear alignment charts : en fr
  • CA337724A - Electron discharge tube : en fr
  • FR756445A - Artificial pumice and its manufacturing process : en fr
  • GB402607A - Improvements in or relating to television and like systems : en
  • DE589272C - Sand spreader with lowerable sand outlet : de en
  • CA337631A - Luminous tube light : en fr
  • AU1208733A - Improvements in or relating tothe valve mechanism of internal combustion engines : en
  • US1937592A - Ball frame for shaker chutes : en
  • CA337582A - Nail making apparatus : en fr
  • CA337596A - Telephone ticket despatch tube : en fr
  • CA337709A - Steam generator : en fr
  • DE589288C - Mop with squeezing device on the handle : de en
  • US1938221A - Steel alloy : en
  • US1937710A - Bleaching animal fibers : en
  • US1938338A - Controlling device : en
  • US1938336A - Windshield cleaner with remote control : en
  • FR756336A - Improvements relating to safety valves for steam lines : en fr
  • GB402747A - Improvements in or relating to electric gas and vapor arc discharge lamps : en
  • GB402593A - Improvements relating to the stringing of lawn tennis and like rackets : en
  • CA337733A - Filament manufacturing apparatus : en fr
  • AU1082633A - Improvements in or relating toa system for clarification and recirculation ofa gas scrubbing liquid ina gas scrubbing plant : en
  • CA337712A - Paper manufacture : en fr
  • CA337711A - Roller bearing : en fr
  • US1938484A - Cork-pulling machine : en
  • US1937607A - Apparatus for remote control of prime movers : en
  • US1937645A - Push drill : en
  • US1937815A - Evening and grading machine : en
  • DE589105C - Wiper curved after a curve for round Dwight-Lloyd apparatus : de en
  • CA337597A - Coal blower : en fr
  • CA337710A - Railway truck side frame : en fr
  • FR756022A - Improvements to seaplane hulls : en fr
  • DE589171C - Holding device for a fixed wing of multi-door, in particular two-door cabinets : de en
  • GB402533A - Improvements in or relating to ferrules or glands for condenser tubes and the like : en
  • GB402623A - Improvements in or relating to closures for bottles or like containers : en
  • CA337705A - Chemical reaction system : en fr
  • AU1004932A - Electrodynamic speaker : en
  • CA337571A - Coffee maker : en fr
  • FR756406A - Suspended seat, in particular for vehicles : en fr
  • FR756226A - Device for transmitting the indications of an automatic potentiometer to an electrical recording device : en fr
  • FR756412A - Bicycle : en fr
  • DE589220C - Voltage regulating transformer without rotation of the phase position : de en
  • DE589431C - Process for the catalytic esterification of aliphatic monocarboxylic acids : de en
  • GB402701A - Device for inserting the piston pin in the piston and piston rod : en
  • DE589499C - Device for setting and loosening the mold of briquette extrusion presses : de en
  • US1938260A - Puttying device : en
  • US1938435A - Automobile seat : en
  • USD91136S - Design for a textile fabric or the : en
  • DE589398C - Electromagnetically operated diaphragm pump : de en
  • FR756023A - Device applicable to telephone sets to indicate by return signals the time of re-entry when calling sets whose incumbents are absent : en fr
  • GB402563A - Improvements in or relating to electric couplings : en
  • GB402514A - Improved high lift wing section for aeroplanes and the like : en
  • GB402619A - Toning process particularly for toning the red color component image for multi-colorphotography : en
  • DE589374C - Means for polishing, honing and grinding objects of great hardness, especially hard alloys : de en
  • DE589426C - Manufacture of axially perpendicular grinding wheels attached to a carrier : de en
  • GB402510A - Improvements in or relating to electrical burglar or like alarms : en
  • DE589449C - Use of platinum or platinum metal alloys for items that are exposed to high temperatures : de en
  • FR756403A - Control valve for compressed air drives : en fr
  • FR756425A - Advanced stripper : en fr
  • DE589226C - Toothbrush with exchangeable cleaning body made of white sponge rubber : de en
  • US1938502A - Door operating and controlling mechanism : en
  • DE589343C - Bushing insulator for oil-filled electrical apparatus : de en
  • FR756123A - Improvements in electrical circuits to produce oscillations of non-sinusoidal shape applicable for example to cathode ray devices : en fr
  • FR756146A - Fluid measuring device : en fr
  • DE589162C - Blaehkoerperdichtung with closed cavity : de en
  • GB402572A - Improvements in automatic controllers for gas valves, switches, or the like : en
  • GB402604A - Improvements relating to boxes or bins : en
  • GB402702A - Improved means for protecting against heat the piston rods of double acting two stroke internal combustion engines : en
  • DE589450C - Membrane pressure gauge designed as a zero measuring instrument : de en
  • GB402708A - Improved arrangements for controlling motors in electric traction systems with rheostaic braking : en
  • US1937510A - Folding mechanism : en
  • US1937871A - Recovery of gasoline from natural gas : en
  • US1937876A - Radio beacon : en
  • US1938440A - Tool retainer : en
  • GB402519A - Improvements in or relating to conveyors of the belt type : en
  • US1938201A - Transmission : en
  • GB403080A - Improvements in and relating to feed-water heaters of the contact type : en
  • FR756296A - Tank system and rigid tank made of lead or other soft metal and its manufacturing process : en fr
  • FR756246A - Improvements to sportswear, such as swimwear : en fr
  • GB402463A - Piston-rings : en
  • DE589484C - Process for the preparation of easily soluble ester salts of leukokuepen dyes : de en
  • FR756112A - Metal plate for sharpening blades : en fr
  • GB402603A - Improvements in or relating to injection devices for internal combustion engines : en
  • AU985632A - An improved method of and means for producing lead dust : en
  • GB402576A - Improvements relating to junction boxes for metallic conduits for the protection of electric conductors : en
  • US1938375A - Belt fastening construction and method of making belt connections : en
  • DE589356C - Grafting tool : de en
  • US1937747A - Coal washer and separator : en
  • US1937785A - Wireless communication apparatus : en
  • US1938533A - Process of manufacturing hydrofluosilicic acid : en
  • DK48101C - Absorption refrigeration machine. : da en
  • FR756301A - Machine for laminating, marking and cutting ceramic or other tiles : en fr
  • US1937802A - Heat exchanger : en
  • FR756081A - Perfecting irons for straight hairstyles : en fr
  • FR756441A - Compressed air starting device for internal combustion engines : en fr
  • US1938197A - Meat-cubing machine : en
  • US1938552A - System of electric welding : en
  • US1938114A - Typewriter : en
  • US1938134A - Thread cop : en
  • FR756105A - Tool for making broken rings used in jewelry : en fr
  • GB402462A - Improvements in the manufacture of aliphatic anhydrides : en
  • US1937557A - Carbon pack : en
  • US1937754A - Telephony : en
  • DE589206C - Shock absorbers, especially for cars : de en
  • FR756016A - Meter for gas or electricity or similar mechanism with monetary trigger : en fr
  • DK48095C - Clothespin. : da en
  • DK48109C - Ring lubrication device, especially for Railway vehicles. : da en
  • FR756209A - Illuminated police plate for motor vehicles : en fr
  • US1937795A - Rough honing machine for razor blades : en
  • DE589334C - Brake cock for the additional pressure brake : de en
  • CA337609A - Glassware manufacture : en fr
  • DE589497C - Slicer : de en
  • FR756048A - Automatic cigarette dispensing system and its application to a case : en fr
  • US1938207A - Carrier rod control for split seam fabric : en
  • US1937850A - Vegetable cutter : en
  • CA337558A - Shot gun cartridge : en fr
  • DE589258C - Arrangement for spring sets and lamps, in particular for desk telephones : de en
  • US1937765A - Vacuum cleaner : en
  • US1937841A - Tube connecter construction : en
  • US1938516A - Process for the manufacture of malleable iron : en
  • US1937590A - Carpet sweeper case : en
  • CA337672A - Tire manufacture : en fr
  • US1937848A - Lock for nuts : en
  • GB402738A - Improvements in or relating to refrigerating apparatus : en
  • IE13507L - Internal combustion engines : en
  • US1937529A - Electric clock : en
  • US1938266A - Fishing spoon : en
  • DE589218C - Device for reducing the switch-off time of circuit breakers : de en
  • DE589417C - Jaw pliers for wood screw head turning machines, in which the workpiece is held between interchangeable terminal strips designed as tooth cutting edges : de en
  • FR756094A - Further training in the manufacture of paper and more specifically cigarette paper : en fr
  • GB402644A - Improvements in or relating to electrical shaving machines for dry-shaving : en
  • US1937544A - Method of delustering knit fabric and product thereof : en
  • US1938217A - Shelf clip : en
  • US1938334A - Variable condenser : en
  • US1938424A - Broaching tool : en
  • AU1104233A - Improvements in reciprocating pumps for raising or conveying concrete andthe like material : en
  • AU1823462A - Polyurethane foam : en
  • AU1027132A - Improved crankshaft lubricating mechanism : en
  • DE589342C - Vibration damper for hanging on overhead lines : de en
  • DE589404C - Hat screen with extendable glare protection : de en
  • GB402524A - Improvements in and relating to quick tanning : en
  • GB403111A - Improvements in or relating to photo-electric sound recording or reproducing apparatus : en
  • US1938038A - Envelope : en
  • US1938325A - Sheet rack for presses : en
  • US1937543A - Method of making starch : en
  • GB402650A - Improvements in horological mechanism : en
  • US1937843A - Supporting means for insulating materials : en
  • US1938468A - Process of preparing shellac-like resins from agatho-copal resins : en
  • CA337591A - Animal poke : en fr
  • DE589225C - Lockable slide for zippers : de en
  • DE589503C - Device for loading pneumatic conveyor systems : de en
  • USD91155S - Design fob an electric light shade : en
  • US1937692A - Typewriting machine : en
  • US1938540A - Reenforced glassware : en
  • US1937803A - Filling machine : en
  • US1938093A - Electrical connection device : en
  • AU1036132A - Improvements in womens undergarments andthe manufacture thereof : en
  • AU1182033A - Improvements in and relating to incubators : en
  • US1938452A - Container for garbage receptacles : en
  • GB402558A - Improvements in electric lampholders : en
  • CA337618A - Addressing machine : en fr
  • US1938045A - Pulverizing mill : en
  • US1938135A - Silent alarm clock : en
  • US1938194A - Apparatus for expanding conduits : en
  • US1938209A - Thermionic tube power converter : en
  • US1937594A - Vacuum tube : en
  • US1938263A - Harvesting machine : en
  • US1938436A - Tractor guide : en
  • DE589455C - Security device against theft, in particular of motor vehicles : de en
  • GB402684A - Improvements in or relating to motion picture film apparatus : en
  • US1937606A - Method of attaching nozzles to hollow bodies : en
  • US1937763A - Radiator valve : en
  • US1937816A - Motor control system : en
  • US1938047A - New quinoline derivative : en
  • US1938416A - Vending machine : en
  • US1938071A - Control system for hoisting apparatus : en
  • FR756033A - Adaptable lock : en fr
  • FR756286A - Bodywork system and its manufacturing process : en fr
  • US1937630A - Means for indicating angular motion : en
  • CA337634A - Coating composition : en fr
  • US1938023A - Road treating apparatus : en
  • US1937880A - Frame and connecting parts for tetrabedral kites : en
  • US1937515A - Collar button : en
  • US1938326A - Headlight for toy vehicles : en
  • DE588969C - Marking plate for road surfaces : de en
  • DE589568C - Sealant for sealing objects made of metal : de en
  • CA337685A - Spare tire cover : en fr
  • US1938203A - Method of making rotary gear pumps : en
  • US1938088A - Production of high quality lubricating oils : en
  • US1937569A - Display carton : en
  • US1937926A - Hose supporter fastener : en
  • US1937990A - Engine muffler and manifold construction : en
  • US1938352A - Locomotive construction : en
  • US1938506A - Valve guide lubricator : en
  • FR756211A - Removable shock-absorbing device for bottle bases and the like : en fr
  • US1937556A - Mine car : en
  • DE589388C - Completely encapsulated cooling machine : de en
  • DE589293C - Ignition for internal combustion engines : de en
  • DE589465C - Process for the production of hollow bodies with weld seam for high pressures : de en
  • CA337676A - Metallic composition : en fr
  • US1937906A - Window regulator : en
  • US1937634A - Process of treating zinc ores : en
  • USD91147S - Design for a textile fabric or the : en
  • US1937980A - Metal lining : en
  • US1937586A - Hedge trimmer and the like : en
  • US1938512A - Process for the manufacture of salts of organic acids from albuminoids and the like : en
  • US1938521A - Sharpening device for edged tools : en
  • US1937559A - Cable for transmitting high frequency electrical energy : en
  • US1937617A - Multiple unit tank car : en
  • US1937902A - Eyeglass or spectacle mounting : en
  • CA337679A - Dehairing machine : en fr
  • FR756319A - Winding device for the production of cylindrical or conical crossed coils : en fr
  • FR756398A - Ink roller control for platen presses, in which the ink rollers circulate around the printing plate : en fr
  • GB402542A - Improvements in inking rollers for printing machines : en
  • GB402715A - Improvements in wringer cabinets : en
  • US1938544A - Colorimeter : en
  • DE589311C - Rotary selector for stepping drive : de en
  • GB402746A - Improvements in or relating to processes and machines for combing and ironing of skins : en
  • AU1264633A - Improvements in or relatinmg to shoce upper conforming machines : en
  • US1937671A - Solid concentrates of vitamins and process of making same : en
  • US1938027A - Car dumper : en
  • US1937625A - Bit-forging apparatus : en
  • US1938192A - Crossing gate operating means : en
  • US1938269A - Dispensing container for rolls of flexible web material : en
  • US1938515A - Outer garment for children : en
  • CA337645A - Fluid pressure brake : en fr
  • DE589194C - Anchoring and connecting clamp for electrical overhead lines : de en
  • DE589211C - Device for attaching security labels to bottles with a wire clip : de en
  • DE589352C - Circuit for two-motor gripper drives : de en
  • DE589320C - Electric light tubes filled with noble gases, base gases, gas mixtures or gas vapor mixtures : de en
  • AU957332A - Improved gold saving machine : en
  • CA337704A - Knitting machine : en fr
  • DE589236C - Process for the production of moldings from condensation products of a protein-like nature : de en
  • FR756091A - Removable stretcher : en fr
  • GB402577A - Improvements in and connected with windows : en
  • FR756448A - Motor vehicle : en fr
  • US1937818A - Adjustable washer : en
  • CA337670A - Organic disulphide production : en fr
  • DE589500C - Process for the production of highly refractory shaped bricks and work pieces of all kinds : de en
  • US1938171A - Aeroplane : en
  • US1938388A - Tanning process : en
  • US1938448A - Manifold bill book : en
  • DE589324C - Square iron stove frame : de en
  • US1938419A - Gripping tool : en
  • CA337738A - Cable connector : en fr
  • US1937703A - Method of preventing expansion and contraction of printing paper : en
  • US1938026A - Car door opener : en
  • US1938042A - Engine valve lubricating means : en
  • CA337612A - Anti-glare device : en fr
  • CA337667A - Railway traffic controlling system : en fr
  • US1937584A - Table lock : en
  • CA337726A - Emergency brake release : en fr
  • FR756051A - Elastic connecting device and its applications : en fr
  • FR756283A - Welding torch improvements : en fr
  • GB402682A - Improvements in hair clips : en
  • US1937701A - Switch : en
  • US1937970A - Automatic stack damper : en
  • US1938520A - Grinding wheel : en
  • DK48096C - Articles of Paper, Tissue or similar with Closing device. : da en
  • FR756404A - Telescopic crane : en fr
  • GB402736A - Golf balls and method of making same : en
  • FR756170A - Frame for superimposed metal drums or tanks : en fr
  • GB402501A - Improvements relating to paper-making machines : en
  • CA337665A - Variable transmission : en fr
  • US1938255A - Tool joint for rotary drills : en
  • US1938021A - Hydraulic motor : en
  • DE589246C - Machine for grinding flat workpieces : de en
  • FR756280A - Support device for bicycles, motorcycles and other two-wheeled vehicles : en fr
  • US1938109A - Elevator control system : en
  • US1937528A - Process for the production of acetic acid : en
  • US1938228A - Accounting and tabulating machine : en
  • US1938320A - Manufacture of drying oils and resins : en
  • FR756038A - Universal joint : en fr
  • FR756320A - Method and device for the production of cans with internal unwinding : en fr
  • US1937627A - Lock : en
  • DE575677C - Process for the partial dewatering of solutions of low molecular weight aliphatic monocarboxylic acids, especially acetic acid : de en
  • DE589470C - Scales for luffing cranes : de en
  • DK48097C - Filter mass for Purification of Water. : da en
  • GB402789A - Improvements in washing boilers and similar apparatus : en
  • US1937741A - Axle bearing : en
  • US1938306A - Annealing furnace : en
  • GB402640A - Improvements in or relating to the manufacture and production of silver solders : en
  • FR756117A - Soft abrasive such as cloths and abrasive papers, etc. : en fr
  • FR756299A - Removable safety device applicable to tires of automobiles, for traction and against skidding : en fr
  • FR756341A - Improvements to so-called adjustable cathode tubes : en fr
  • GB402814A - Improvements in wood panels or flooring : en
  • FR756449A - Improvements to the control of the packing shaft in the binders : en fr
  • GB402465A - Improvements in or relating to lampshades : en
  • US1937949A - Means for lubricating tool-holding rests for machine tools : en
  • US1938014A - Green dyestuffs of the diphenylnaphthylmethane series : en
  • FR756077A - Electric machine for lighting, particularly applicable to bicycles and motorcycles : en fr
  • GB402687A - Double cage white of egg and cream beater : en
  • GB402676A - Improvements in apparatus for drying webs of fabric : en
  • DE589549C - Basic material and process for the production of tapestry work : de en
  • FR756318A - Method and device for manufacturing a new openwork knit for circular stockings : en fr
  • GB402629A - Improvements in or relating to television systems : en
  • GB402724A - Covering for the working surfaces of pointing, peeling or brushing machines : en
  • FR756020A - Automatic control for aircraft : en fr
  • FR756236A - Vibrating membrane for sound devices, musical instruments, etc. : en fr
  • GB402642A - Improvements in or relating to roofs of buildings : en
  • US1937687A - Method of seasoning sheets containing a solvent : en
  • US1938193A - Smoke consumer : en
  • US1937852A - Roof construction : en
  • US1938386A - Stapling machine : en
  • GB403077A - Improvements relating to processes for the preparation, separation or purification of salts or salt solutions : en
  • CA337604A - Road material coating process and apparatus : en fr
  • US1938015A - Imitation rubber and process of manufacturing the same : en
  • US1938020A - Control head and blow-out preventer : en
  • DE589472C - Process for making photographic copies : de en
  • FR756174A - Fast-tripping current limiter for direct current with retaining magnet : en fr
  • GB402675A - Improvements in and relating to retractable landing gears for aeroplanes and to brakes for use in conjunction therewith : en
  • GB402809A - Improvements in type line composing and casting machines : en
  • DE589037C - Cleaning device, especially for floors, with a push-out device for the cleaning body on the device handle : de en
  • US1937734A - Leveling bar for coke ovens : en
  • US1938247A - Apparatus for promoting liquidvapor or liquid-gas contact : en
  • DE589498C - Board game with pieces that can be inserted into slots : de en
  • US1937938A - Charge forming device : en
  • US1938439A - Machine for circular grinding : en
  • US1937725A - Deep well oil pump : en
  • US1937823A - Color-cinematography : en
  • DE589375C - Sheet pile lock : de en
  • CA337722A - Telephone alarm system : en fr
  • CA337729A - Muller : en fr
  • FR756360A - Improvement in gear train mounts, in particular for electrically actuated pendulums : en fr
  • DE589399C - pessary : de en
  • DE589434C - Arc extinguishing device : de en
  • DE589179C - Electric tachometer : de en
  • DE589250C - Embossing stamp moved perpendicular to the embossing area for the production of lenticular films : de en
  • US1937628A - Method of and machine for producing gears : en
  • US1937861A - Adhesive composition and method of making same : en
  • DE589507C - Doepper : de en
  • FR756338A - Vaporization burner : en fr
  • GB402633A - Improvements in or relating to compound transparent or translucent materials : en
  • US1937547A - Screw thread device : en
  • FR756196A - Arrangement of blades in centrifugal machines with radial admission : en fr
  • FR756101A - Device for the use of heavy oils as fuel for engines : en fr
  • FR756333A - Roller bearing : en fr
  • GB402625A - Lifting jack apparatus for vehicles : en
  • FR756422A - Process for preparing formed bodies, such as layers, fibers, films, plates, etc. : en fr
  • GB402555A - Metallic casing for electrical wiring : en
  • FR756308A - Tissue enhancements : en fr
  • US1937539A - Carrier rod stop control arm for full fashioned knitting machines : en
  • US1937639A - Process of making zinc sulphide pigment : en
  • US1938542A - Liquid and other hydrocarbon and derivative thereof by the destructive hydrogenationof carbonaceous materials : en
  • DE589378C - Device for selective shutdown of power supplies : de en
  • DE589562C - Device for returning the condensate to the water space of the steam generator in the case of intermediate superheaters that are heated with live steam from the steam generator : de en
  • GB402807A - Improvements in or relating to the production of films and coatings of cellulosic material : en
  • US1937937A - Process for the manufacture of sodium carbonate monohydrate : en
  • FR756008A - Device for closing sliding doors or extendable hinged grilles : en fr
  • CA337624A - Ink composition : en fr
  • FR756019A - Indirect shot billiard marker : en fr
  • DK48119C - Billiards. : da en
  • US1937695A - Electric control system : en
  • US1937680A - Moldable material : en
  • US1938408A - Switch operating mechanism : en
  • CA337691A - Beading for tire covers : en fr
  • US1937831A - Plotting device : en
  • CA337623A - Metallic containing closure device : en fr
  • FR756340A - Arrangement of electrodes in a discharge tube : en fr
  • GB403075A - Improvements in the removal of water from lower aliphatic acids and anhydrides and from other organic liquids : en
  • FR756074A - Assembly of wooden elements for garden furniture and other objects composed of wooden elements : en fr
  • FR756410A - Improvement in automatic starting mechanisms : en fr
  • US1938246A - Rotary bit : en
  • US1937674A - Cap retainer for collapsible tubes and the like : en
  • US1937555A - Expansion device : en
  • US1937972A - Fly rod, fish-line guide : en
  • DE589557C - Disc roller grate : de en
  • FR756086A - Method and device for regulating the current flow, in particular in diesel-electric vehicles : en fr
  • US1937866A - Winding gear for tape measures and the like : en
  • FR756176A - Hood or bird for transporting loads : en fr
  • FR756353A - Incandescent cathode tube : en fr
  • GB402507A - Improvements in electric couplings : en
  • CA337615A - Decantation apparatus : en fr
  • DE589348C - Process for the production of azo dyes : de en
  • US1937721A - Apparatus for measuring dust concentration : en
  • US1937967A - Plasterboard and method of manufacturing same : en
  • US1937587A - Locomotive structure : en
  • GB402740A - Improvements in or relating to clutches : en
  • GB402771A - Improvements relating to hoisting apparatus for use in stacking hay or for other purposes : en
  • US1937776A - Sash pulley : en
  • US1937915A - Collocating lamp shades : en
  • US1937974A - Burner : en
  • FR756171A - Agglomerated fuel briquette : en fr
  • GB402624A - Improvements in and connected with cattle trucks, farmers' wagons and the like : en
  • US1938390A - Tanning process : en
  • DE566078C - Blowpipe with a barrel equipped with a front sight and rear sight, to which a curved pipe with a mouthpiece is attached : de en
  • DE589277C - Insulated conductor : de en
  • FR756028A - Manufacturing process of cylindrical screws in metal wire of very small diameter, by means of very fine metal wires : en fr
  • GB402707A - Improvements relating to pneumatic drying devices : en
  • DE589360C - Safety lock for cock picks : de en
  • US1938129A - Toy with driving mechanism : en
  • US1938337A - Work holding device : en
  • CA337658A - Esterlike derivative : en fr
  • US1937598A - Control system : en
  • US1938137A - Pulverized fuel furnace : en
  • DE589281C - Mixed frequency device to achieve flicker-free lighting when connected to 16 2/3 periodic networks : de en
  • GB402544A - Improvements in retting process of textile materials : en
  • US1937790A - Duplicator rolls : en
  • US1938340A - Kerosene lamp burner : en
  • US1938350A - Rear vision mirroe support : en
  • US1938382A - Method of manufacturing nozzle diaphragms and the like : en
  • GB402661A - Ice baskets for pails for cooling bottles and like vessels : en
  • GB402691A - Improvements in and relating to high tension discharge vessels : en
  • FR756093A - Process for the manufacture of wear-resistant pipes : en fr
  • GB402454A - Improvements in or relating to the production of chlorinated rubber products : en
  • GB402541A - Improvements in movable doors or fronts for chicken battery brooders : en
  • US1938043A - Condensation products of the anthraquinone series and process of making same : en
  • US1938173A - Process for the extraction of alumina from aluminous materials : en
  • US1937561A - Method of making waterproof heat insulating tape : en
  • CA337561A - Electric hot air furnace : en fr
  • FR756329A - Device for threshing scythes : en fr
  • GB403071A - Improvements in processes for the saponification of organic esters of cellulose : en
  • FR756052A - Starter and auxiliary economizer for carburetor : en fr
  • US1938058A - Window sash operating device : en
  • US1938501A - Box : en
  • CA337629A - Gaseous electric discharge device : en fr
  • DE589290C - Device for supplying fresh air to heated rooms : de en
  • DK48104C - Knife holder for harvesting and mowing machines. : da en
  • GB402583A - Improvements in or relating to vehicle wheels : en
  • AU277274B2 - Polyurethane foam : en
  • US1938442A - Display container for paint brushes and the like : en
  • US1937992A - Automatic coasting brake : en
  • DE589335C - Sliding buffer stop : de en
  • FR756080A - Tap water softeners : en fr
  • US1937689A - Oxidizing catalyst : en
  • US1938399A - Lock washer : en
  • US1937709A - Carburetor : en
  • GB402565A - Improvements in or relating to mats and like articles and the manufacture thereof : en
  • FR756078A - Closure device for aircraft hangars and other applications : en fr
  • GB402499A - Improvements in or relating to internal combustion engines : en
  • DE589365C - Area protection with a smooth thread guided over various diversion points : de en
  • FR756194A - Device for cutting the lids of cans : en fr
  • US1937567A - Paste dispenser : en