• US2318286A - Traction brake : en
  • US2318414A - Cooler construction : en
  • SE107302C1 - : sv
  • US2318255A - Electric shaver : en
  • CA412227A - Germicidal soap : en fr
  • CA412252A - Pile resister : en fr
  • FR51763E - Rollover gravity davit for lifeboats : en fr
  • US2317994A - Louver construction : en
  • US2318036A - Preparation of surface-active sulphonates : en
  • US2318568A - Hydraulic landing gear : en
  • CA412232A - Fabric washing apparatus : en fr
  • GB553045A - Improvements in or connected with centrifugal pumps : en
  • US2318352A - Light-sensitive diazotype layers and method of making same : en
  • CA412221A - Container closure : en fr
  • US2318363A - Storage drawer assembly : en
  • FR51818E - Method and device for supplying internal combustion engines by means of compressed gas : en fr
  • US2318012A - Stoker control : en
  • US2318031A - Apparatus for injection molding thermosetting compounds : en
  • US2318041A - Door check : en
  • DE734966C - Terminal arrangement for counter boards u. like : de en
  • FR881657A - Control for fire protection shutters of cinematographic projectors : en fr
  • US2318433A - Governor controlled friction clutch : en
  • FR881755A - Process for preserving animal glands : en fr
  • AU116883B2 - Treatment of magnesium : en
  • DE735139C - Pipe extrusion press : de en
  • GB552974A - Improvements in or relating to valves : en
  • DE735132C - Device for the automatic screwing of floors into floor shells : de en
  • DE735068C - Sealing device with clamping ring of pipes under the action of a weight lever : de en
  • DE735115C - Tunnel balance for aerodynamic model experiments to measure several force components : de en
  • FR881652A - Automatic compressed air braking device for motor vehicle trains : en fr
  • US2318522A - Gas purification process : en
  • US2318411A - Clamp : en
  • FR881711A - Decal device for loose-leaf accounts : en fr
  • US2318361A - Loop assembly : en
  • FR51836E - System of correct placement of the reproducing device on a phonographic record : en fr
  • FR881670A - Improvement in telephone locks : en fr
  • FR881786A - Method for reducing leakage current in selenium rectifiers : en fr
  • US2318105A - Hydrated acetylene derivatives of the cyclopentanopolyhydrophenanthrene series and process of preparing same : en
  • US2318487A - Vise : en
  • US2318488A - Circuit controlling device : en
  • US2318226A - Production of isobutane : en
  • US2318256A - Loom gauge : en
  • US2318382A - Closure for nonrefillable containers : en
  • FR881762A - Safety device for delivery pumps : en fr
  • GB552961A - Improvements in or relating to molds for curing inflatable rubber articles : en
  • DE735107C - Circuit for the operation of several resistance welding machines or similar, short current impulses, preferably for heating a material, required devices from a common power source : de en
  • US2318284A - Drilling mud : en
  • US2318548A - Means for temporarily retaining members together : en
  • DE735069C - Device for the tight connection of panels for the production of containers, partitions, etc. : de en
  • DE735152C - Wall-like support member movable by traction means for fracture construction : de en
  • DE735188C - Retractable undercarriage for aircraft : de en
  • AU116884B2 - An improved temperature indicator : en
  • FR51819E - Improvements to bicycles, tandems, mopeds and other similar vehicles : en fr
  • US2318129A - Combination knife, fork, and spoon : en
  • US2318251A - Air exhausting apparatus for pumping systems : en
  • US2318298A - Circuit breaker : en
  • US2318468A - Adjustable heating apparatus : en
  • US2318037A - Lighter : en
  • DE734956C - Process for the purification of monomeric polymerizable compounds of methacrylic acid which can be obtained by cracking organic high polymers : de en
  • DK60878C - Procedure for making vegetable taverns soft and pliable. : da en
  • FR51786E - Gasifier for gasifiers and in particular for charcoal gasifier : en fr
  • FR881783A - Electrical assembly for circuit breaker protection : en fr
  • CA412209A - Metal drawing apparatus : en fr
  • CA412289A - Copper alloy : en fr
  • DE735062C - Electric incandescent or discharge lamp with permanent gas filling of more than two atmospheres cold pressure : de en
  • DE735197C - Arrangement for the elimination of hum in audio stages with AC heating : de en
  • DE735005C - Procedure for distance measurement in any media by rhythmically sending pulses : de en
  • DE735067C - Hydraulic control for shaft couplings : de en
  • GB552999A - An improved ventilating and water-draining device for windows : en
  • FR881751A - Method of manufacturing diapers using polyurethanes : en fr
  • US2318289A - Match book : en
  • US2318305A - Circular shaping machine : en
  • US2318438A - Material handling mechanism : en
  • US2318529A - Windshield cleaning apparatus : en
  • DE734911C - Arrangement for generating a cardioid directional characteristic with a sharp minimum for direction finding purposes : de en
  • DE735206C - Piston pump for injecting fuel : de en
  • DE734934C - Drive unit for the speeds of a machine drive, in particular a paper calender drive, to be switched on as required : de en
  • FR881793A - Furnace for heat treatments such as roasting, roasting, cooking, calcination or carbonization : en fr
  • GB553081A - Improvements in and relating to hollow pre-cast ferro-concrete building units : en
  • US2318257A - Resilient wheel mounting : en
  • US2318546A - Pulldown calendar : en
  • DE734988C - Pluckers for loosening and cleaning fiber flakes, in particular bast fiber flakes : de en
  • DE735017C - Device for alternately supplying two arc lamps from a direct current machine with a sharply decreasing load curve : de en
  • FR51772E - Improvements to hydraulic presses : en fr
  • FR51831E - Frame-chassis or body infrastructure for vehicles : en fr
  • FR881677A - Devices for supplying combustion engines with coal oil or similar products : en fr
  • GB553111A - Improvements in, or relating to, deformity, fracture and like surgical appliances : en
  • FR881792A - Device for the manufacture of cup-shaped legs of compressed glass for electric discharge vessels and the like : en fr
  • DE735054C - Radio receiver for receiving certain transmitters by means of a push button arrangement : de en
  • FR51770E - Process for the preparation of saturated and unsaturated derivatives of pregnanedione 3, 20 and resulting products : en fr
  • CA412236A - Laundry apparatus : en fr
  • US2318206A - Apparatus for treating liquids flowing through heated tubes : en
  • GB553091A - Piezoelectric oscillators : en
  • CA412282A - Textile fabric marking or decorating method : en fr
  • GB553031A - An improved glazing unit for glazing roofs, windows and structures in general : en
  • DE734878C - Grinding device for relatively thin, plate and tape-shaped workpieces, in particular gang saw blades : de en
  • DE734980C - Drivers for workpieces or machine parts, especially for the drill pipes of boring machines : de en
  • GB553036A - Improvements in or connected with lamp supporting brackets : en
  • US2317996A - Lathe tool grinding fixture : en
  • US2318345A - Pile carpet or rug : en
  • US2318221A - Fractional wrapped loaf assembling and aligning device : en
  • US2318353A - Casket : en
  • US2318278A - Envelope : en
  • US2318375A - Clothesline : en
  • US2318569A - Hand brake : en
  • DE735097C - Pipe cleaner for drilling out the stone attachment from copper and brass pipes : de en
  • DE735165C - Horizontal, double-acting high-pressure transfer pump for manual operation, especially for filling with oxygen : de en
  • DE734971C - Electrical quotient measuring device with circular scale and two coils that can be rotated in magnetic fields arranged axially one above the other : de en
  • CA412225A - Pipe hanger : en fr
  • DE734913C - Automatic direction finder : de en
  • DE735207C - Device for regulating power machines : de en
  • GB552960A - Improvements in chimneys, ducts and the like : en
  • DE735039C - Automatic and manually shiftable change gear : de en
  • GB553063A - Improvements in or relating to a.c. electric circuit-breakers of the gas-blast type : en
  • DE734944C - Bucket chain dredger with free hanging, weight-loaded bucket chain for working at greater depths of the sea : de en
  • FR881781A - Process for the production of artificial plates of compressed wood : en fr
  • DE734962C - Stuffing box bushing for electrical cables, in particular with a thermoplastic plastic jacket : de en
  • DE735040C - Turret press feeder : de en
  • US2318186A - Automatic transmission : en
  • FR881714A - Soft sole in wood or any rigid material for shoes of all kinds : en fr
  • USD135618S - Talc container or the like : en
  • US2318406A - Manure spreader : en
  • US2318455A - Degreaser : en
  • DE734964C - Testing and switching device for mobile electrical telecommunication cables and lines : de en
  • US2318421A - Circuit interrupter : en
  • FR881739A - Process for preparing superpolyamides : en fr
  • GB553048A - Improvements relating to work holders for lathes : en
  • US2318050A - Cutting apparatus : en
  • US2318114A - Thrust bearing : en
  • USD135620S - Jewelry finding or the like : en
  • FR51774E - Tipping device for household refuse containers moved by a pressurized agent : en fr
  • US2318234A - Marking device for bags : en
  • US2318362A - Wall construction : en
  • US2318145A - Method of flame hardening tubular structures : en
  • USD135605S - Design for a handbag : en
  • CA412246A - Rectifier grid support shielding : en fr
  • FR881688A - Process for the preparation of 2-methyl-2- (formyl-oxy) -3-halogenotetrahydrofurans and for their transformation into beta vitamin : en fr
  • DE735149C - Brushless plane : de en
  • US2318045A - Collar clip : en
  • US2318213A - Rope snubber : en
  • US2318423A - Electron discharge device : en
  • US2318205A - Planting and fertilizing means : en
  • GB553075A - Improvements in or relating to machines for washing dishes and other articles : en
  • DE735198C - Winding device for cables, lines and ropes : de en
  • GB553001A - Improvements in or relating to electric circuit connecting device : en
  • US2318439A - Process for preparing vat dyes in powder form : en
  • US2318042A - Circuit interrupter : en
  • US2318297A - Gas generating apparatus : en
  • US2318549A - Metal cutting saw band : en
  • US2318027A - Process for dehydrating watercontaining materials : en
  • US2318544A - Manufacture of mixed textiles : en
  • USD135622S - Design fos. a cigarette pack isoldes : en
  • FR881700A - High thermal efficiency gasifier with wet filtration : en fr
  • GB552979A - Improvements in and relating to hinges for metal cabinets : en
  • DE734909C - Device arranged on a vehicle for determining the direction of a transmitter emitting electromagnetic waves : de en
  • DE735050C - Arrangement for television equipment with cathode ray tubes : de en
  • CA412243A - View transmission system : en fr
  • DE735047C - Double winch, especially for movable bridges : de en
  • US2318394A - Game apparatus : en
  • FR881702A - Atmospheric pressure engine : en fr
  • GB553046A - Improvements in or relating to photographic cameras : en
  • CA412197A - Lathe tail stock : en fr
  • DE735151C - Device for holding the ignition tube for gas-heated devices : de en
  • US2318133A - Process of dyeing with vat dyes : en
  • DE688838C - Stand for foldable or slidable body : de en
  • DE735210C - Collapsible wind turbine : de en
  • US2318163A - Saw mill dog : en
  • FR51798E - Process for the preparation and isolation of complex salts from 2-3-diketo-1-gulonic acid : en fr
  • FR51820E - Insulating : en fr
  • US2318215A - Method and means for producing inlaid linoleum : en
  • FI19612A - Device for patching and repairing veneer : en fi
  • FR51832E - Automatic firearm with rotating bolt breech : en fr
  • US2318515A - Reed : en
  • FR881425A - : fr
  • GB553017A - Improvements relating to pipe joints : en
  • DE735000C - Extrusion press for thermoformable masses : de en
  • GB552989A - Improvements in electric cables and joints therefor : en
  • GB553016A - Improvements in fastening means for use in conjunction with adjustable shelving or the like : en
  • US2318059A - Kneeling dolly : en
  • US2318551A - Railway signaling apparatus : en
  • GB553125A - Improvements in or relating to rotary sewage distributors : en
  • US2318263A - Method of securing hard facing material to tubular members : en
  • US2318336A - Tapping machine : en
  • FR881705A - Electron discharge devices : en fr
  • DE734939C - Articulated connection of two aircraft components : de en
  • FR51752E - Ticket issuance system : en fr
  • DE735034C - Glasses frame : de en
  • US2318174A - Dyestuffs of the anthraquinone series : en
  • FR881695A - Soft articulation of wooden soles for shoes : en fr
  • US2318456A - Cutting chain sharpener : en
  • US2318132A - Automatic stop for counting machines : en
  • US2318474A - Radial connecting rod : en
  • FR881737A - Process for preparing aluminum sulphate from aluminum ores : en fr
  • US2318070A - Electrical condenser : en
  • US2317992A - Treatment of organic material and resulting product : en
  • US2318326A - Rock drill : en
  • DE735121C - Sheet-shaped intermediate layer with solder on both sides : de en
  • GB553122A - Improvements in or relating to the manufacture of paper : en
  • DE734996C - Electrical high-voltage apparatus, in particular transformer, current or voltage converter or capacitor : de en
  • FR51809E - Insulator for high voltage overhead lines : en fr
  • DE735044C - Mashing process for the production of alcohol-free or low-alcohol beers or beer-like beverages : de en
  • US2318164A - Lifting and/or holding device : en
  • US2318230A - Electric plug : en
  • GB553124A - Improvements in or relating to bolts and like fastenings : en
  • US2318293A - Material treating process and apparatus : en
  • GB553077A - Hose pipes and methods of manufacturing them : en
  • FR881653A - Articulated chain flexible only up to the tensioned position : en fr
  • FR51783E - Apparatus for preventing the formation of frost on combustion machines, and more especially on aircraft engines : en fr
  • FR881752A - Process for the preparation of new derivatives of hydroxamic acids : en fr
  • GB552976A - Roll blotter : en
  • CA412295A - Abrasive device for cleaning still tubes : en fr
  • US2318460A - Maraca : en
  • US2318048A - Automatic program control mechanism : en
  • US2318389A - Hexyl-dichloro resorcinol antiseptic : en
  • US2318543A - Piston ring : en
  • FR51777E - Improvements to circuit breakers : en fr
  • FR881791A - Electric discharge vessel : en fr
  • FR881675A - Manufacturing process for vegetable oil substitutes : en fr
  • US2318014A - Method of making shoes : en
  • US2318295A - Jacket construction : en
  • DE734932C - Electromagnetic clutch : de en
  • DE735071C - Electric vehicle for battery operation : de en
  • DK60875C - Electron tubes whose vacuum-tight closure is made with a glassy melt. : da en
  • DE734873C - Shift auxiliary device for change gears with subdivided main shafts, especially of motor vehicles : de en
  • DE735212C - Gutter wash : de en
  • GB553033A - Improvements in or relating to typographical slug casting machines : en
  • US2318122A - Article carrier and stand : en
  • CA412259A - Glass working apparatus : en fr
  • DE735193C - Friction shock absorbers, especially for motor vehicles : de en
  • US2318089A - Luminescent material : en
  • US2318303A - Telegraph printer : en
  • US2318408A - Ignition device : en
  • USD135628S - Design for a flue cap : en
  • DE735084C - Control device for electric multi-motor drives : de en
  • US2318183A - Portable phonograph : en
  • DE734919C - Large transformer that can be moved by rail : de en
  • FR881736A - Device for compensating acceleration forces, in particular vibration oscillations on actuators of regulators : en fr
  • USD135640S - Design for a binding post : en
  • GB552957A - Improvements in or relating to methods of and apparatus for printing data derived from records : en
  • US2318329A - Lamp guard and reflector unit : en
  • DE722839C - Device for reversing color negatives by electrical means : de en
  • DE735153C - Device for moving thin sheets and blanks for sheet metal rolling mills : de en
  • DE734672C - Cabinet-like picture throwing device : de en
  • GR10080B - METHOD OF SEPARATION OF THE PLANT FROM THE KOTYLIDONAS OF THE CHAROUPOSPORUS. : el en
  • GB553034A - Process for the production of alumina and magnesia : en
  • DE734951C - Device for preventing corrosion on metal aircraft : de en
  • DE735020C - Insert for dropper bottles : de en
  • CA412261A - Hydropneumatic press : en fr
  • FR51784E - Improvements to electric capacitors : en fr
  • FR881691A - Improvements to rifles for spearfishing : en fr
  • GB553024A - Improvements in or relating to telegraph printers : en
  • DE734941C - Hydraulically operated controllable pitch propeller : de en
  • GB553056A - Chlorination of titanium bearing materials : en
  • FR881716A - Artificial materials based on very high molecular weight polymer products : en fr
  • FR881699A - Automatic gas mixer for acetylene carburization and in general for all gases : en fr
  • DE734987C - Device for carrying out a paint drying process : de en
  • US2318245A - Driving and steering mechanism for automobiles : en
  • DE734900C - Process for the production of fertilizers : de en
  • FR881776A - Apparatus for copying by contact individual plates or portions of film, as well as entire film strips onto normal films of any length or onto strips of paper : en fr
  • CA412294A - Accounting machine : en fr
  • US2318385A - Uncurling guide for sewing machines : en
  • US2318011A - Cementation process of treating metal : en
  • US2318275A - Disk harrow : en
  • USD135603S - Design for a handbag : en
  • CA412285A - Hosiery making apparatus : en fr
  • DE735105C - Electric discharge tubes for generating high energy electrons : de en
  • FR51826E - Improvements to machines such as, in particular, internal combustion engines or heat engines : en fr
  • GB553008A - Improvements in or relating to severing means, adapted for severing tape applied to bag mouths in bag closing machines : en
  • GB552996A - Improvements in or relating to electrically-operated delay-action relay devices : en
  • GB553097A - Manufacture of pyridine derivatives : en
  • USD135643S - Combination paper weight and stamp dispenser : en
  • GB553005A - Improvements in or relating to moving stairways : en
  • GB553090A - Improvements relating to float-operated electric switches : en
  • GB552954A - Improvements in or relating to means for use in the detection of traces of foreign gases, vapours or mists in the atmosphere : en
  • FR51760E - Manufacturing process of porous shaped parts : en fr
  • FR881694A - Device for supplying and distributing pressurized liquids : en fr
  • FR881733A - Small diameter metal cables and ropes : en fr
  • FR881701A - Process for treating the surface of aluminum or aluminum alloys and objects treated by this process : en fr
  • DE734577C - Distance time relay for protecting electrical systems : de en
  • DE735126C - Chamber-shaped particulate filter : de en
  • FR51816E - Improvements in optical control and measurement devices : en fr
  • FR881765A - Rockwell method hardness measuring device : en fr
  • CA412310A - Ingot mould : en fr
  • DE735169C - Arrangement with cathode ray tubes for television reception or similar purposes : de en
  • GB553086A - Improvements in building constructions using concrete blocks : en
  • US2318130A - Mount for machine guns : en
  • US2318078A - Ash tray : en
  • DE735213C - Stirring device for foam swimming machines : de en
  • FR51790E - Device for collecting a liquid flowing by gravity spread on a support wall : en fr
  • CA412269A - Unsaturated aliphatic cyanide dehydration : en fr
  • CA412316A - Animal trap : en fr
  • GB553094A - Improvements in and relating to gyroscopic apparatus : en
  • GB553129A - Improvements in means associated with presses for forming sheet-metal articles : en
  • US2318237A - Antenna feed system : en
  • GB553065A - Improvements in or relating to lavatory seats : en
  • GB553070A - Improvements in or relating to press knives for cutting leather or the like and guarding devices adapted for use therewith : en
  • DE734984C - Front suspension fork for bicycles, especially motorcycles : de en
  • DE735120C - Countersink tool with a stop sleeve to limit the countersink depth and a brake piece protruding beyond this made of a material that is gentle on the surface of the workpiece to be machined : de en
  • DK60877C - Device for central heating boilers for wood burning. : da en
  • DE735056C - Method for screwless fastening of flat contacts in housings of electrical switching devices : de en
  • DE735150C - Power generation plant for a wind power plant : de en
  • DE735183C - Device for cooling the runner of turbines, in particular gas turbines, which are primarily installed in aircraft and vehicles : de en
  • AU517842A - Improvements in or relating to reflex light reflectors, method of making thesame, and signs adapted for outdoor highway use and including the improved reflex light reflector : en
  • GB552969A - Infusion vessel for tea and the like : en
  • US2318459A - Temperature measuring instrument : en
  • CA412277A - Hose supporter : en fr
  • FR881748A - Method of recording and reproducing sounds and apparatus for its implementation : en fr
  • GB553055A - Improvements in and relating to foot operated crank mechanisms having a non-circular pedal path : en
  • GB553027A - Improvements in or relating to joints for electric power cables : en
  • US2318214A - Form for casting concrete floor beams : en
  • US2318288A - Curtain stretcher : en
  • US2318510A - Lead clutch for pencils : en
  • US2318337A - Fluid pump : en
  • US2318542A - Railway signaling system : en
  • USD135627S - Combined meter and pump housing or the like : en
  • US2318108A - Jack carriage : en
  • DE734983C - Gas mask made of rubber or similar material : de en
  • DE735042C - Water turbine or pump system arranged in a weir or in other narrow spaces : de en
  • CA412188A - Engine cylinder head : en fr
  • DE735202C - Arrangement for the electrical quick control of operating grasses : de en
  • US2318464A - Treatment of textile materials : en
  • US2317988A - Reversible optical system : en
  • US2318262A - Apparatus for machining serrations in metallic bodies : en
  • GB553047A - Improvements in and relating to fixing devices for curtain rail and the like : en
  • US2318177A - Hydraulically operated combined threading and turning machine : en
  • USD135604S - Design for a handbag : en
  • DE735208C - Device for the automatic control of the speed of aircraft : de en
  • DE735043C - Device for swimming and sinking treatment of coal and similar substances : de en
  • CA412183A - Life-belt : en fr
  • AU521742A - Making synthetic resins : en
  • US2318085A - Circuit breaker : en
  • CA412314A - Quick acting wrench : en fr
  • FR51829E - Seaplane hull : en fr
  • US2318454A - Washing and deliming composition for limed hides : en
  • USRE22307E - dunham : en
  • DE734910C - Arrangement for generating an in-phase auxiliary voltage for clearing and / or determining the side of a DF system : de en
  • DE734960C - Compressed air brake control with an electromagnetically influenced device for gradual design of the brake cylinder pressure : de en
  • DE735186C - High altitude breathing apparatus : de en
  • US2318231A - Removable body for hand trucks : en
  • US2318265A - Nut process : en
  • US2318063A - Piston hammer for rock drills : en
  • US2318424A - Milk pail : en
  • US2318026A - Printing telegraph apparatus : en
  • US2318066A - Hydropneumatic tank : en
  • US2317972A - Automotive vehicle : en
  • US2318154A - Material disposal apparatus : en
  • US2318525A - Blind : en
  • USD135624S - Design fos a cigarette pack holder : en
  • GB553069A - Improvements in fluid-pressure lifting means : en
  • CA412265A - Spray nozzle : en fr
  • CA412305A - Resilient wheel : en fr
  • US2318000A - Platen mechanism : en
  • US2318068A - Electrical winding : en
  • FR881693A - Sliding bearing, in particular for diesel engines : en fr
  • US2318376A - Air bag stem : en
  • GB553015A - Improvements in or relating to doors and similar constructions and to methods for the manufacture thereof : en
  • DE734998C - Shaft conveyor system for vessel conveyance : de en
  • DE735032C - Device for operating a spectral analytical light source : de en
  • DE735096C - Process for the production of sulphonic acids : de en
  • CA412187A - Tire manufacture : en fr
  • DE734991C - Process for the production of quaternary nitrogen compounds : de en
  • DE735010C - Process for the production of nitrogen-containing condensation products : de en
  • US2318156A - Bag clamping device : en
  • FR51791E - Installation of electrical instruments on an airplane : en fr
  • FR881655A - Catalyst : en fr
  • FR51838E - Control device for heald frames for looms : en fr
  • DE735143C - Machine for separating worn treads and applying new treads to rubber tires : de en
  • DE735138C - Method for emptying leaching containers for sugarbeet pulp and diffusion battery : de en
  • US2318388A - Hexyl-dichloro resorcinol antiseptic : en
  • DE734922C - Process for the production of a gypsum and quartz-containing firing base for porcelain mantle crowns consisting of a core and an intermediate layer : de en
  • CA412217A - Wire drawing method : en fr
  • GB553123A - Improvements relating to the production of a beverage containing carrot as its chief constituent : en
  • GB553022A - Improvements in, or relating to, clevis joints : en
  • GB553066A - Improvements relating to boards for archery, darts and like games : en
  • FR51843E - Improvements to contact heat exchangers : en fr
  • FR881757A - Heating appliance grid : en fr
  • CA412241A - Laundry apparatus : en fr
  • US2318232A - Engine starter gearing : en
  • US2318199A - Undergarment for horseback riding : en
  • US2318172A - Universal tool : en
  • FR881673A - Method and device applicable to frequency changes : en fr
  • FR881766A - Improvements to differential electromagnetic switches : en fr
  • FR881746A - Leather scratching machine : en fr
  • FR51824E - Improvement in so-called spoon fishing gear : en fr
  • FR881501A - : fr
  • US2318283A - Self-locking freewheel clutch : en
  • US2318473A - Nut lock : en
  • US2318296A - Antistatic agent and its application : en
  • FR51755E - Seals for concrete pavements : en fr
  • FR51765E - Device for mounting the upper part of an excavator : en fr
  • GB553104A - Improvements in or relating to the manufacture of objects having a stratified structure : en
  • GB552992A - Improvements in or relating to apparatus for measuring distance : en
  • GB553037A - Improvements in the manufacture of aircraft propeller hubs : en
  • GB553011A - Spring control device : en
  • US2318209A - Manually engaged engine starter : en
  • US2318054A - Splice for joints : en
  • US2318252A - Laundry machine : en
  • FR51805E - Improvements to devices for repeating signals on board rail convoys : en fr
  • DE735108C - Switching arrangement for spot welding : de en
  • DE735168C - Process for the production of a double metal contact wire : de en
  • FR881678A - Rational toothbrush : en fr
  • US2317978A - Conveyer apparatus : en
  • US2318335A - Spindle control for drilling and tapping machines : en
  • DE735203C - Device for regulating alternators working in parallel on a lighting network : de en
  • FR51842E - Flexible wood sole : en fr
  • FR51793E - Process for the preparation of new benzenesulfonamide compounds : en fr
  • GB553014A - Improvements in and relating to cupping presses : en
  • GB553114A - Improvements relating to the preparation of sodium sulphate : en
  • FR881687A - Method and apparatus for making carbonated drinks : en fr
  • GB553110A - Improvements in or relating to flexible hose for conveying fluid at high pressures : en
  • US2318049A - Pipe coupling : en
  • GB552988A - Improvements relating to the manufacture of margarine and cooking fats : en
  • US2318431A - Ring binder : en
  • US2318021A - Film change-over warning device : en
  • US2318386A - Fluid pump or motor : en
  • DE734946C - Process for the operation of saturation systems in sugar factories : de en
  • FR881753A - Cinematographic apparatus : en fr
  • US2318149A - Ash receiver : en
  • US2318207A - Electrode : en
  • US2318169A - Ball reprojector : en
  • US2318565A - Window shade attachment : en
  • US2318314A - Typewriting machine : en
  • US2318393A - Heat exchange apparatus : en
  • US2318269A - Apparatus for teaching telegraphy : en
  • US2318272A - Method of producing linoleum products : en
  • GB552981A - Improvements in and relating to flatirons : en
  • FR881730A - Carbonization process of forest residues : en fr
  • DE735174C - High frequency transmitter : de en
  • US2318002A - Angle disk roller : en
  • FR881704A - Improvements made to generators for equipping wood gasifiers : en fr
  • AU607542A - Treatment of magnesium : en
  • US2318356A - Spring locking screw bolt : en
  • DE735059C - Method for magnetizing the magnetically hard parts of an electrical quotient measuring device : de en
  • DE735091C - Hand protection device for removing cans from the can sealing machine : de en
  • DE734933C - Control on automatic partial heads for milling machines : de en
  • CA412300A - Azeotropic mixture separation : en fr
  • US2318380A - Method of sterilizing and packaging sutures and the like : en
  • GB552972A - Improvements in or relating to aluminium base alloys : en
  • FR881720A - Process for preparing finely dispersed aldehyde resins in water : en fr
  • US2318220A - Floating oil filter : en
  • CA412184A - Coal spraying apparatus : en fr
  • US2318505A - Machine for automatically forming projectiles : en
  • US2318511A - Yarn drying apparatus : en
  • DE735028C - Automatic scale : de en
  • DE735129C - Gearbox for motorcycles : de en
  • FR51821E - Improvements to contact heat exchangers : en fr
  • DE735156C - Device for sorting sheet metal or similar flat workpieces : de en
  • US2318236A - Valve : en
  • US2318123A - Fastener : en
  • US2318316A - Storage mechanism : en
  • DE735023C - Bedside table : de en
  • US2318244A - Fiberizing mineral substances by centrifuge and blast : en
  • GB553074A - Improvements in and relating to a method of and means for weaving on looms : en
  • DE734982C - Device for cleaning eye glasses for gas masks : de en
  • FR51766E - Process for making sensitized photographic silver halide emulsions : en fr
  • FR881717A - Printing color manufacturing process : en fr
  • US2318570A - Manufacture of abrasives : en
  • US2317976A - Ironing cord holder : en
  • FR51788E - New articles of trimmings or embroidery and their manufacturing process : en fr
  • FR51810E - Eye mounting system for sleeper doll : en fr
  • US2318111A - Process of coating : en
  • US2318528A - Suspender suit construction : en
  • US2318478A - Die insert : en
  • US2318025A - Fastening-inserting machine : en
  • US2318126A - Latex adhesive : en
  • US2318170A - Modulator for high frequency oscillators : en
  • US2318134A - Seal for floating tank roofs : en
  • US2318420A - Exothermic device : en
  • US2318541A - Remote control device : en
  • US2318457A - Elongated structure formed from synthetic materials : en
  • CA412194A - Dispensing container : en fr
  • USD135632S - Design for a combined helmet and cape : en
  • CA412213A - Tie holder : en fr
  • DE735029C - Charging scales : de en
  • US2318003A - Bacon slicer : en
  • US2318390A - Hexyl-chloro-m-cresol antiseptic : en
  • US2318146A - Door lock : en
  • DE734997C - Profile-sized large transformer : de en
  • DE735175C - Jacket clamp for electrical lines with a pressure piece rotatably connected to the union nut : de en
  • CA412198A - Metal heating method : en fr
  • US2318116A - Regulating system : en
  • US2318365A - Dental and mouth cleansing means : en
  • US2318441A - Nonstatic belting : en
  • GB552959A - Keying method for radio transmitters : en
  • GB553050A - Piezoelectric crystal elements : en
  • DE735113C - Belt regulator for film casting machines : de en
  • GB553067A - Improvements in shaft bearings : en
  • CA412292A - Inserted blade cutter : en fr
  • CA412319A - Wall covering : en fr
  • DE735111C - Kneading and mixing machine for rubber or similar plastic masses : de en
  • US2318500A - Preparation of ascorbic acid and 1-gulosone : en
  • CA412238A - Fabric cleaning apparatus : en fr
  • DE735038C - Multi-wheel heavy-duty road vehicle : de en
  • DE735118C - Ring spring : de en
  • US2318106A - High-frequency apparatus : en
  • FR881725A - High-lift safety valve for steam boilers : en fr
  • DE735114C - Glare device for projectors : de en
  • FR881690A - Stop device for gearshift lever for bicycles, motor cycles, motorcycles and all vehicles in general : en fr
  • DE735158C - Device for controlling the pressure of a pneumatic or hydropneumatic fold holder of a sheet metal drawing press : de en
  • FR881669A - Hydrocarbon treatment process : en fr
  • AU515542A - Improved aluminum hydroxide powder and process of preparing thesame : en
  • US2318333A - Internal combustion engine operating on the two-stroke cycle with liquid fuel injection : en
  • CA412231A - Television modulator : en fr
  • USD135619S - Design for a ration container : en
  • FR51751E - Vibration process and machine for the production of agglomerates : en fr
  • FR51781E - Field belt transmission : en fr
  • DE735006C - Device for continuous or discontinuous saturation of juices, in particular sugar juices, by means of gases : de en
  • FR881663A - Starting device for internal combustion engines : en fr
  • FR881749A - Anti-derailment switch to speed up the sorting of wagons and maneuvers in marshalling yards : en fr
  • US2317970A - Capacitor construction and circuit arrangement for polyphase circuits : en
  • USD135617S - Lum telephone booth : en
  • US2318239A - Visible record : en
  • US2318069A - Process of producing shell forgings and the like : en
  • US2318266A - Dyestuffs of the dibenzanthrone series : en
  • USD135634S - Design for an elbow pipe fitting : en
  • DE735079C - Process for the introduction of sulfonic acid halide groups into liquid aliphatic or cycloaliphatic mono- or dihalohydrocarbons : de en
  • FR881743A - Process for preparing a mixture of cupro-aldehyde compounds having high anticryptogamic activity : en fr
  • FR881784A - Improvements to mechanical razors : en fr
  • GB553009A - Improvements in and relating to endless band conveyors : en
  • US2318254A - Fluid impeller housing assembly : en
  • FR881728A - Lightweight reinforced wooden beam : en fr
  • US2318377A - Stem connection for curing molds : en
  • DE734940C - Arrangement of a pressurized fluid pump provided as drive means for adjusting aircraft components : de en
  • DE734945C - Wash basin, sink, bathtub, etc. like. with drain and overflow : de en
  • DE735159C - Control device for hydraulic piston presses, especially sheet metal drawing presses : de en
  • DE734894C - Extraction machine for coal and other minerals that creates a cavity : de en
  • US2318055A - Combination switch for the control of electrothermal apparatus : en
  • US2318320A - Method of treating strip material : en
  • USD135629S - Design for a clasp : en
  • US2318115A - Valve : en
  • US2318307A - Lighter and fuel filling for same : en
  • CA412206A - Rotary engine : en fr
  • US2318264A - Air eliminator for fluid flow mechanisms : en
  • CA412267A - Blowpipe machine remote control system : en fr
  • DE735127C - Use of crystalline oxides for testing suspended matter filters : de en
  • US2318166A - Portable drill : en
  • FR51825E - Process for the chrome plating of iron or steel objects : en fr
  • GB553054A - Improvements in and connected with holders for electric fuses : en
  • US2318044A - Circuit interrupter : en
  • DE735015C - Arrangement for connecting capacitor banks to an alternating current network : de en
  • FR51806E - Explosion riveting device : en fr
  • FR881718A - Process for increasing the viscosity of polymerized products : en fr
  • DE734912C - Braun tubes for an automatic direction finder : de en
  • CA412275A - Ice tray : en fr
  • US2318184A - Laminated sheet and method of producing same : en
  • US2318290A - Combination crusher and grinder : en
  • DE735178C - Auxiliary equipment for glassmakers : de en
  • DE734961C - Arrangement for the production of terminal connections with aluminum lines by means of an intermediate piece attached to the aluminum conductor : de en
  • GB553096A - An improved single-anode or multi-anode rectifier with vapour discharge path : en
  • CA412226A - Starch solution : en fr
  • DE735073C - Method for determining the properties of building materials, especially concrete mixtures : de en
  • CA412219A - Vehicle snubber : en fr
  • CA412320A - Textile material treating apparatus : en fr
  • DK60889C - Cup. : da en
  • GB553029A - Improvements relating to dynamos and regulating means therefor : en
  • CA412177A - Trolley pole : en fr
  • DE735007C - Process for the production of an aromatic non-alcoholic or low-alcohol fermentation drink : de en
  • US2318110A - Brief case : en
  • FR881799A - Method of shooting movies using multiple cameras : en fr
  • GB553107A - Improvements in and relating to chemical reaction chambers : en
  • US2318440A - Spark plug : en
  • GB553020A - Improvements in or relating to liquid fuel containers : en
  • DE734893C - Magnetic separator for processing fine-grained magnetic materials : de en
  • GB553049A - Improvements relating to work holders for lathes : en
  • AU116879B2 - Improvements relating to sewing machine power transmitters : en
  • US2318517A - Loudspeaker : en
  • US2318219A - Renewable tip pulverizer hammer : en
  • US2318553A - Control apparatus : en
  • DE735216C - Charging device : de en
  • FR881674A - Apparatus for lathe or other machines, ensuring the execution of polygonal surfaces or of any shape outside or inside the workpieces without stopping their rotation : en fr
  • FR881800A - Secondary emission image enhancer : en fr
  • CA412304A - Thermometer : en fr
  • US2318071A - Compression riveter : en
  • US2318493A - Portable scaffold : en
  • US2318574A - Cellular structural material and method of producing the same : en
  • CA412258A - Electrolytic zinc dust process : en fr
  • US2318277A - Shovel : en
  • US2318001A - Orthodontic appliance device : en
  • US2318056A - Winding apparatus : en
  • US2318093A - Electrically neutral air cleaning : en
  • DE735052C - Variometer with high frequency iron core : de en
  • DK60884C - Procedure for rapid cooling of sterile bottles during the transfer from the sterilization site to the tapping site. : da en
  • FR881686A - Sewing machine : en fr
  • US2318017A - Antislip foot : en
  • US2318451A - Sheet delivery : en
  • CA412214A - Porous structure strength increasing process : en fr
  • CA412271A - Calculating machine : en fr
  • US2318006A - Labyrinth joint or coupling : en
  • US2318192A - Combination loose leaf notebook, paper container, and accessory kit : en
  • CA412315A - Growth-decrement factor preparation : en fr
  • US2318060A - Method of applying luminescent material : en
  • US2318476A - Space heater : en
  • GB552968A - Magnetic cores : en
  • US2317975A - Hydraulic gate construction : en
  • FR51837E - Spun or mixed yarn made from angora wool : en fr
  • US2318211A - Stabilization of styrene : en
  • US2318308A - Stylus head for recording and reproducing sound records : en
  • DE735066C - Universal joint coupling for shafts : de en
  • DE734931C - Crank gear for internal combustion engines with cylinders arranged in a star shape : de en
  • DE734936C - Device with suction or blow-out slot : de en
  • USD135607S - Design fob a handbag : en
  • FR881740A - Rudder body, e.g. landing flap for airplanes : en fr
  • GB553089A - An improved service tray for use in canteens, restaurants and the like : en
  • GB553073A - Improvements in or relating to protective systems for electricity distribution networks : en
  • CA412222A - Liquid level measuring apparatus : en fr
  • GB553088A - Improvements in or connected with force transmission mechanism for dynamometers : en
  • FR881761A - Trailer with propulsion or traction by retractable cycle : en fr
  • FR881774A - Process for the production of acid tars : en fr
  • DE735215C - Setup and arrangement during dismantling in the longwall : de en
  • US2318531A - Band filter : en
  • FR881689A - Closure for cans and all containers in general : en fr
  • US2318008A - Carburetor for multicylinder internal combustion engines : en
  • US2318317A - Suction nozzle : en
  • FR51761E - Method and device for determining the values of the tensions in the material : en fr
  • FR51833E - Elastic spoke for wheel without tires : en fr
  • FR881697A - Carburetor mixer for acetylene gas : en fr
  • US2317993A - Sheet feeder : en
  • FR51823E - Process for the preparation of polyamide solutions or pastes : en fr
  • DE735103C - Vacuum switch for regulating display devices : de en
  • DE735140C - Round slide lock for bulk goods outlets, especially for railway hopper cars : de en
  • DK60879C - Ottoman with reversible frame. : da en
  • AU515342A - Improvements relating to sewing machine power transmitters : en
  • FR881756A - Electric salt bath oven : en fr
  • US2318506A - Friction and flexure testing device : en
  • GB552971A - Impact crushing mill : en
  • GB553040A - Improvements in and relating to the proportional mixing of liquids : en
  • US2318147A - Ski : en
  • US2318370A - Oil well drilling bit : en
  • DE734917C - Test arrangement for the temperature dependence of high-frequency iron : de en
  • US2318136A - Safety shutoff and control device : en
  • US2318330A - Motor control and brake system : en
  • US2318090A - Elevator door operating mechanism : en
  • FR51839E - Current converter with moving contacts : en fr
  • GB552955A - Regeneration of contact masses : en
  • GB553106A - Improvements in or relating to recording devices : en
  • GB552984A - Improvements in or relating to gas-blast circuit-breakers : en
  • FR51768E - Fluid filtering process and apparatus for applying this process : en fr
  • GB553041A - Improved method of and means for effecting dimpling operations : en
  • CA412274A - Mineral fortification of foodstuffs and medicinal products : en fr
  • US2318426A - Method of canning green vegetables : en
  • GR10079B - FOAM DRINK. : el en
  • CA412323A - Tower : en fr
  • FR881794A - Improvements to protectors for shoe soles : en fr
  • US2318092A - Building construction : en
  • DE735095C - Lid closure for filing folders : de en
  • FR881706A - Double bell warning bell with independent beating masses and varied and alternating sounds obtained by a single control : en fr
  • US2318253A - Bearing structure : en
  • GB553028A - Radio receivers : en
  • FR51807E - Process for the legal treatment of copper breakage and more generally of all accidents that may lead to loss of clarity after bottling of wines, ciders, perries and fruit juices : en fr
  • FR881676A - New tanning process for leather and fur hides : en fr
  • US2318373A - Nonresinous condensation product : en
  • DE734923C - Process for the preparation of solutions of diiodotyrosine : de en
  • DE735167C - Contact wire clamp holder : de en
  • CA412250A - Vapour-electric converter : en fr
  • CA412296A - Elevator closure control system : en fr
  • FR51754E - Improvements to processes and devices for the use, in particular on engines, of mixed fuels : en fr
  • DE735102C - Receiver with push button voting : de en
  • GB552983A - Improvements in and relating to elastic fluid turbine arrangements : en
  • DE735119C - Infeed device for automatic cutting machine tools, in particular post-forming fine boring mills with line infeed by a micrometer screw : de en
  • DE734954C - Mine support : de en
  • US2318057A - Control device for fluorescent lamps : en
  • US2318104A - Toe pulling pincer device : en
  • FR881789A - Process for the preparation of polymerization products : en fr
  • FR881661A - Device for starting internal combustion engines, in particular aircraft engines : en fr
  • US2318443A - Sewing machine cabinet : en
  • DK60887C - Locking mechanism for automatic firearms. : da en
  • FR51817E - Spot and bead welding device obtained by spots, using controlled discharge devices : en fr
  • US2318032A - Production of polyhydric alcohols : en
  • US2318489A - Cajxd filing system : en
  • DK60890C - Procedure for decarbonization and simultaneous desiccation of water. : da en
  • CA412196A - Vehicle propulsion : en fr
  • FR51756E - High power hydraulic press : en fr
  • FR51779E - Threading lathe : en fr
  • FR881651A - Device for the manufacture of dry products from potatoes : en fr
  • AU116876B2 - Improvements in telephone or like systems : en
  • CA412182A - Rock drill bit : en fr
  • CA412262A - Brush : en fr
  • CA412189A - Venetian blind tape : en fr
  • US2318461A - Holder for displaying and mailing handkerchiefs and the like : en
  • GB553061A - Improvements relating to paper : en
  • US2318075A - Automatic gain control system : en
  • US2318324A - Safety razor : en
  • USD135608S - Design for a statuette : en
  • US2318494A - Surface rod line jack : en
  • US2318366A - Machine for pressure casting of materials : en
  • US2318261A - Low pressure automatic change-over device : en
  • US2318292A - Fluid pump : en
  • GB552986A - Improvements relating to adsorption filtering plants : en
  • GB553058A - Improvements in or relating to automatic control systems for aircraft : en
  • US2318247A - Method of treating steam boilers : en
  • FR51847E - Interstitial filter : en fr
  • US2318340A - Static eliminator for vehicles : en
  • US2318430A - Grass trimmer : en
  • DE734887C - Electric discharge tubes with one or more unheated electrodes or other internal parts, which are at least partially covered with a carbon layer, and process for their production : de en
  • DE735194C - Handle for folding doors for buses : de en
  • DE735134C - Collapsible game board : de en
  • US2318246A - Cycle saddle : en
  • US2318418A - Electron discharge device : en
  • USD135613S - Design for a lighting fixture : en
  • DE734965C - Flush-mounted box, especially made of bituminous molding compound, for electrical installation : de en
  • FR881668A - Agglomerated fuel for gasifier : en fr
  • FR51844E - Method and device for the drying of solid products applicable in particular to cured meats and sausages : en fr
  • AU116886B2 - Improved aluminum hydroxide powder and process of preparing thesame : en
  • US2318571A - Manufacture of abrasives : en
  • DE735046C - Ring brush : de en
  • DE735199C - Device for switching off direct current lines under load, in particular direct current high-voltage lines : de en
  • FR881768A - Motor compressor : en fr
  • GB553003A - Improvement in or relating to pulley blocks : en
  • US2318013A - Lubricating composition : en
  • US2318128A - Fluid transfer apparatus : en
  • US2318467A - Automatic dial operator : en
  • USD135615S - Design for a pin or similar article : en
  • US2318124A - Ceramic stenciling ink and vehicle therefor : en
  • AU116881B2 - Improved connection for tyre pumps : en
  • US2318046A - Method of treating protein : en
  • DE734908C - Method for reducing disturbances to a recipient : de en
  • GB553101A - Improvements in and relating to the treatment of textile threads : en
  • FR881798A - Tractor resulting from the transformation of passenger cars or trucks : en fr
  • DE735154C - Bearing block for the coupling spindles of rolling mills : de en
  • DE734950C - Device for switching the clutches of a two-stage drive for the loading fan of an internal combustion engine in aircraft : de en
  • CA412240A - Laundry apparatus : en fr
  • DE735058C - Arrangement for the amplification of low-frequency alternating currents : de en
  • FR881729A - Device for preventing theft, and also constituting by its mechanism a speed retarder for the use of velocipeds : en fr
  • CA412201A - Rod stock feeding device : en fr
  • US2318198A - Angular-walled carton : en
  • US2318072A - High intensity fluorescent lamp system : en
  • US2318319A - Embalming fluid : en
  • US2318444A - Can stacker : en
  • DE715038C - Braunsche tube with post-acceleration : de en
  • US2318480A - Thermostat : en
  • USD135646S - Design for ax embroidered lace : en
  • US2318514A - Internal combustion rotary engine : en
  • US2318339A - Mixing and surfacing method : en
  • FR51771E - Improvements to thermionic amplifiers : en fr
  • DE735074C - Schraemmeissel with a hard metal cutting plate attached to its chip surface : de en
  • CA412312A - Wall board : en fr
  • US2318148A - Shoe : en
  • US2318469A - Method and apparatus for producing sheet material : en
  • USD135623S - Cigarette pack holder : en
  • DE734921C - Oil burner : de en
  • DE734977C - Counter arrangement for calculating machines, especially for business machines controlled by counter cards : de en
  • US2318203A - Plastic injection machine : en
  • US2318397A - Manufacture of self-locking nuts : en
  • US2318034A - Emulsion breaking compound : en
  • US2318201A - Mothproofing composition : en
  • CA412328A - Colour photographic material : en fr
  • AU608742A - Improvements in or relating to moulding and thermoplastic compositions anda process forthe manufacture of products therefrom : en
  • US2318143A - Snow shield for automobile windows : en
  • DE735189C - Detachable clamping connection on gearboxes of motor vehicles : de en
  • CA412325A - Lime hydrating process : en fr
  • DE735001C - Process for the production of cartridge cases from aluminum alloys that can be used as an investment : de en
  • CA412284A - Sanitary napkin : en fr
  • DE735131C - Fountain pen with a device for regulating the pen length : de en
  • US2318097A - Dirtproof bearing : en
  • US2318194A - Automatic depth controlling mechanism : en
  • US2318306A - Feed system for grinding mills : en
  • US2318434A - Commercial display package : en
  • DE735141C - Arrangement for converting a light image into an electron image : de en
  • GB552958A - Improvements in or relating to racquet presses : en
  • GB553026A - Improvements in turret and capstan lathes : en
  • GB552967A - Improvements in or relating to bimetallic thermostats : en
  • DE732103C - Notice board : de en
  • US2318407A - Baling press : en
  • FR881735A - Telephone call transmitter-switch : en fr
  • FR51846E - Turbine : en fr
  • GB553119A - Improvements in or relating to circuit arrangements for use in the transmission of ultra high-frequency electric oscillations : en
  • GB553010A - Improvements in or relating to the return of aircraft to ships from which they have been launched : en
  • GB553082A - Improvements in control systems for associated dynamo-electric machines particularly applicable to rolling mill drives : en
  • US2318348A - Gun mount : en
  • US2318033A - Production of alcohols : en
  • US2318240A - Hospital or invalid bed : en
  • US2318481A - Transmission : en
  • US2318009A - Varnish oil : en
  • US2318064A - Spreader : en
  • US2318499A - Loop pile fabric : en
  • US2318501A - Air translating apparatus : en
  • US2318135A - Seal for floating tank roofs : en
  • DE734969C - Pliers for inserting and pulling pipe locks : de en
  • DE735136C - Device to compensate for the elongation with constant conveyors : de en
  • CA412220A - Rotor brake : en fr
  • CA412299A - Typewriter : en fr
  • CA412237A - Fabric washing apparatus : en fr
  • US2318020A - Dual pinwheel feed : en
  • US2318364A - Pilot-wire supervisory circuits : en
  • US2318558A - Method of cooling engines : en
  • DE735182C - Device for sprinkling fields : de en
  • US2318437A - Shock absorber : en
  • US2318280A - Metering system : en
  • CA412234A - Laundry apparatus : en fr
  • US2318291A - Corn picker : en
  • US2318325A - Letter writing machine : en
  • GB553053A - Improvements in straps for wrist watches and the like : en
  • USD135631S - Design foe a ration container : en
  • FR51762E - Synthetic resinous compositions : en fr
  • GB552970A - Head lamp construction : en
  • USD135621S - Cigarette pack holder : en
  • US2318102A - Rosette type strain gauge : en
  • US2318028A - Hydraulic power transmission device : en
  • US2318086A - Field discharge circuit breaker : en
  • USD135610S - Crucifix or similar article : en
  • US2318328A - Multiple motor driving mechanism, particularly for air propeller shafts : en
  • US2318526A - Indicating device : en
  • US2318559A - Material for and process of pickling copper or its alloys : en
  • USD135609S - Design for a house : en
  • US2318082A - Gaseous discharge lamp : en
  • DK60883C - Bushing for Pipe bushings. : da en
  • GB553076A - Improvements in or connected with endless belt conveyors : en
  • FR51808E - pipe labels : en fr
  • DE735011C - Battery circuit for electric vehicles : de en
  • DE735085C - Process for the controllable cooling treatment of optical glasses after completion of the rough forming : de en
  • DK60880C - Procedure for the protection of wood against attack by pole crabs and pole worms. : da en
  • DE735089C - Filler for cement and magnesite mixes : de en
  • US2318051A - Coupling between shafts and wheels : en
  • CA412264A - Hoist control mechanism : en fr
  • US2318224A - Lister : en
  • US2318061A - Automatic bias circuits : en
  • US2318409A - Self-propelled harvester-thresher : en
  • DE734947C - Process for the production of ª ‰ -lactose : de en
  • FR881770A - Process for producing impregnations, coatings and other insoluble in water : en fr
  • GB552953A - Improvements in or relating to the manufacture of stiffening members for shoes : en
  • US2317986A - Composition of matter : en
  • US2318107A - High speed punch press : en
  • US2318344A - Vehicle stabilizer-forming apparatus : en
  • DE735166C - Duct stove with air circulation : de en
  • DE734985C - Self-loading pistol with cocked trigger : de en
  • CA412302A - Evaporative condenser : en fr
  • US2318227A - Circuit breaker : en
  • US2318564A - Window shade fastening means : en
  • USD135636S - Design fob a broom holder : en
  • CA412247A - Ceramic body production : en fr
  • CA412291A - Marking machine : en fr
  • US2318218A - Logging apparatus : en
  • US2318131A - Coking process : en
  • USD135635S - Combination wrist watch and compass and strap therefor : en
  • US2318301A - Bullet resisting armor : en
  • US2318379A - Suture package : en
  • US2318238A - Retaining clip for spectacle cases : en
  • CA412306A - Resilient engine mounting : en fr
  • US2317977A - Luminescent coating for electric lamps : en
  • US2318121A - Aminotriazine-aldehyde binding agent : en
  • US2318351A - Shaver : en
  • US2318449A - Delivery valve : en
  • USD135630S - Naranick ration container : en
  • CA412186A - Aeroplane hangar door : en fr
  • US2318321A - Drilling apparatus : en
  • US2318151A - Quick-opening manhole : en
  • USPP581P - Rose plant : en
  • DE734928C - Spring roll for roll-up curtains with a winding spring located inside : de en
  • CA412313A - Upholstery mat for springs : en fr
  • AU116875B2 - An improved glass forming machine : en
  • AU116889B2 - Improvements in or relating to moulding and thermoplastic compositions anda process forthe manufacture of products therefrom : en
  • DE735110C - Locking device for the trolley of agricultural lifts : de en
  • DE735164C - Freezer : de en
  • US2318395A - Conveying apparatus : en
  • US2318445A - Method and apparatus for making die rolls : en
  • US2318561A - Lister : en
  • FR881732A - Masonry gasifier : en fr
  • CA412255A - Alternating current power system : en fr
  • CA412281A - Thread drying method : en fr
  • DE735099C - Device arranged on the vehicle for cleaning and lubricating the suspension ropes of wire rope trolleys : de en
  • US2318271A - Antenna transformer : en
  • CA412193A - Floodlight : en fr
  • CA412256A - Vapour electric converter : en fr
  • FR51757E - Automatic stop for flat knitting machines : en fr
  • US2318248A - Phase meter : en
  • FR51795E - New organic nitrogen compounds and their application : en fr
  • DK60872C - Method for marking cold twisted, round or approximately round metal rods, in particular reinforcing bars. : da en
  • CA412276A - Oil recovery by pressure drive : en fr
  • DE735012C - Attachment of carbon grinding pieces to grinding bows and grinding shoes : de en
  • DK60873C - Electric Bulb with an Argon, Krypton and Nitrogen containing Gaseous Filling. : da en
  • US2318309A - Device for refrigerating beverages : en
  • US2318355A - Switch operating means : en
  • US2318412A - Catch : en
  • US2317987A - Catheter : en
  • US2318404A - Carpenter's tool : en
  • US2318208A - Carton feeding and filling system : en
  • CA412280A - Thread cutting screw : en fr
  • US2318165A - Sheet delivery mechanism : en
  • US2318304A - Oiticica oil product : en
  • DE735184C - Gas turbine runner, with which blades and runners are made of ceramic masses : de en
  • FR51792E - Treatment of fibrous materials and the like : en fr
  • USD135644S - Design for a dress : en
  • US2318331A - Motor control system : en
  • US2318447A - Looper mechanism for sewing machines : en
  • US2318490A - Lock device : en
  • FR881767A - Feeding device for drills and pneumatic hammers : en fr
  • FR881754A - Azure product : en fr
  • GB553100A - Improvements in or relating to the stabilisation of hydrocarbon distillates by fractional distillation : en
  • DE733256C - Induction furnace with a gas-tight housing filled with an inert gas at a higher pressure than the outside atmosphere : de en
  • FR51769E - Carbon contact brush for the socket in electric vehicles : en fr
  • FR51827E - Process for treating glass fibers or other similar silica-based materials and new products thus obtained : en fr
  • GB552962A - Improvements in or relating to hand trucks : en
  • FR51845E - Switching device for gear change with toothed pinions : en fr
  • GB553030A - Improvements in or relating to microphones : en
  • FR51841E - Machine for crushing sugar plates and for packing the pieces thus obtained : en fr
  • DE734620C - Process for the production of e.g. Intermediate material to be processed on alumina from alumina-containing raw materials and alkaline earth compounds : de en
  • DE734949C - Device for the safe transfer of liquid fuels from self-sellers into consumption containers : de en
  • DE735133C - Drive device for the rotary funnel on worsted yarn preparation machines : de en
  • DE735019C - Process for loosening and preventing sticking of plant fibers which have been wet-treated by conventional methods : de en
  • US2318176A - Conveyer for semiliquid materials : en
  • US2318188A - Harvesting machine : en
  • US2318540A - Calcium sulphate composition : en
  • DE735146C - Drive belt or conveyor belt connector made of individual, V-shaped hooks lined up on the flexible hinge rod : de en
  • US2318332A - Motor control system : en
  • FR881759A - Process for preventing corrosion of iron by water and aqueous solutions and products used in carrying out this process : en fr
  • GB553093A - Improvements in or relating to a.c. electric circuit-breakers of the gas-blast type : en
  • GB552965A - Improvements in or relating to trip devices for electric circuit breakers : en
  • US2318083A - Lasting machine : en
  • GB553042A - Improvements in or relating to scarves : en
  • FR881788A - Method for connecting a conductive wire to an electrical component, in particular to a stopper rectifier : en fr
  • FR51840E - Shelters for parking bicycles : en fr
  • FR881692A - Dark fire electric brazier combined with a humidification device : en fr
  • DE735116C - Device for dynamic balancing of rotating bodies : de en
  • DE734937C - Method for maintaining the laminar flow boundary layer on aircraft wings : de en
  • GB553021A - Improvements in or relating to teleprinter systems : en
  • DE735064C - Device for the automatic shutdown of vibration test machines when the test body breaks : de en
  • FR881696A - Improvements in the manufacture of tubular valves or the like having interior openings or recesses : en fr
  • FR881758A - Process for the production of reaction products of halogenated hydracids with alcohols : en fr
  • US2318518A - Lifting handle device for toilet seats and covers : en
  • USD135637S - Tablecloth or similar article : en
  • DE734975C - Process for the preparation of dyes of the anthraquinone series : de en
  • FR881795A - Filler metals for light alloys : en fr
  • FR51776E - Improvements to discharge tubes : en fr
  • US2318556A - Sulphanilamide derivatives : en
  • DE735003C - Four-sided motor vehicle frame consisting of longitudinal and cross members : de en
  • GB553128A - An improved rotary stemmer for packing : en
  • FR51767E - Process for making sensitized photographic silver halide emulsions : en fr
  • DE735170C - Television broadcast system in which two scanning devices scan the individual film frames simultaneously : de en
  • DE735162C - Manufacture of nitrogen-phosphoric acid compounds from anhydrous ammonia and phosphorus pentoxide that can be used for dehydration of water : de en
  • DE735122C - Multiplier camera : de en
  • US2318338A - Radio direction finder : en
  • US2318432A - Method and apparatus for descaling strip material : en
  • DE735027C - Tilt balance : de en
  • DE734706C - Process for the preparation of meso-substituted thiocarbocyanine dyes : de en
  • FR881779A - Light sensitive photographic equipment : en fr
  • GB553000A - Improvements in fastenings for parachute harness, belts and the like : en
  • CA412223A - Friction clutch : en fr
  • FR51848E - Device for cooling, dehydrating and purifying gases : en fr
  • DE735063C - Shut-off device for a fresh air supply duct in a wall behind a radiator : de en
  • DE735065C - Booking machine with a line switch : de en
  • CA412245A - Electrical resister : en fr
  • CA412311A - Vehicle retractable support : en fr
  • FR881682A - Double v-spoke with reinforcement towards the bearing and folding surfaces for bicycle, tandem or similar wheels : en fr
  • FR881738A - Improvements to magnetos with more than eight sparks per revolution for ignition of internal combustion engines : en fr
  • US2318249A - Grain separator : en
  • GB553002A - Portable domestic oven structure : en
  • US2318311A - Headlight : en
  • US2318229A - Windrow pickup press : en
  • US2318259A - Direct-lift aircraft : en
  • US2317990A - Process of treating humous material and resulting products : en
  • GB553130A - Normal dresser for grinding wheels : en
  • US2318524A - Bottle washer : en
  • US2318287A - Film splicing : en
  • FR51758E - Ultra-short wave generator : en fr
  • FR881782A - Method of balancing cross-talk between neighboring star conductors of high frequency cables : en fr
  • GB553112A - Improvements in or relating to railway vehicle brakes : en
  • US2318557A - Merchandising package : en
  • FR881660A - Azo dyes and process for preparing these dyes : en fr
  • FR51782E - Pocket cutter for cards and food ration voucher sheets : en fr
  • GB553117A - Improvements relating to exhaust-driven turbo superchargers for internal combustion engines : en
  • DE734959C - Articulated pipe connection, especially between the locomotive and the tender : de en
  • GB552977A - Attachments for typewriting machines : en
  • GB553113A - Improvements in or relating to apparatus for the administration of inhalant gas mixtures : en
  • GB553126A - Improvements in packing devices for shafts and the like : en
  • DE735092C - Process for protecting fibrous materials against small organisms that destroy fibers : de en
  • GB552987A - Improvements in and relating to sulphur compounds : en
  • DE734955C - Pit lining by means of bracing and warping elements clamped in the joint : de en
  • CA412288A - Magnetic plug : en fr
  • US2318181A - Submersible structure : en
  • US2318327A - Jet lighter : en
  • FR881684A - Improvements made to the construction of wooden bellows springs and to the coupling of the springs by independent metal fasteners : en fr
  • GB552994A - Improvements in or relating to the reinforcement of asbestos-cement sheets : en
  • GB553032A - Improvements in and relating to apparatus for welding or soldering metal wires, strips and the like : en
  • FR881763A - Process for producing acidic sparkling baths with coniferous essences : en fr
  • CA412253A - Ground fault neutralizer : en fr
  • FR51787E - Device for changing the track of railway vehicles : en fr
  • GB553105A - Improvements in or relating to electric circuit breakers : en
  • FR51812E - Improvements relating to traffic control devices on railway tracks : en fr
  • US2318125A - Locomotive seat structure : en
  • DE735031C - Arrangement of a lift switch for periscope : de en
  • US2318502A - Locomotive boiler firebox : en
  • US2318533A - Apparatus for heating material : en
  • US2318138A - Sound recorder monitoring means : en
  • US2318334A - Device for trimming lawns : en
  • DK60888C - Labeling machine. : da en
  • FR881764A - Distributor housing, especially for cable end boxes : en fr
  • DE735190C - Control device for the pressure medium of gear shifting devices, in particular for motor vehicles : de en
  • CA412308A - Ingot positioning mould : en fr
  • US2318030A - Automatic reclosing circuit breaker : en
  • DE734974C - Device for clamping welding neck flanges on electric butt welding machines : de en
  • US2318210A - Jar sealing device or the like : en
  • US2318196A - Treatment of hydrocarbons : en
  • DE735195C - Optical display device for the response of an electrical apparatus : de en
  • US2318532A - Refrigerating system and apparatus : en
  • DE735137C - Conveyor system for beets or the like. : de en
  • CA412230A - Image transmission system : en fr
  • US2318223A - Circuit control device : en
  • US2318383A - Switch wiper spring and method of replacement thereof : en
  • SE107318C1 - : en
  • US2318160A - Wire straightener : en
  • US2318202A - Tractor mower : en
  • FR51789E - Nozzle : en fr
  • CA412192A - Ship rudder : en fr
  • US2318398A - Self-locking nut : en
  • US2318087A - Mop connector : en
  • US2318101A - Package for tobacco or other articles : en
  • CA412286A - Hosiery manufacture : en fr
  • US2318099A - Trimming machine : en
  • CA412263A - Portable hoist : en fr
  • AU116885B2 - Improvements in telephone systems : en
  • USD135641S - Design for a hood : en
  • US2318096A - Transfer sheet : en
  • US2317995A - Selective signaling system and apparatus : en
  • US2318381A - Apparatus for treating and packaging sutures and the like : en
  • US2318140A - Visual indicator : en
  • US2318168A - Printing telegraph apparatus : en
  • DE735018C - Process for the extraction of resins, fats and turpentine oil from resinous woods : de en
  • US2318450A - Timing system : en
  • AU116893B2 - Making synthetic resins : en
  • CA412303A - Heat exchange unit : en fr
  • USD135633S - Design for, a t-pipe fitting : en
  • US2318372A - Counter operating mechanism and control : en
  • DE735192C - Umstellwerk of Raeder crawler vehicles : de en
  • CA412254A - Zero sequence isolator : en fr
  • US2318519A - Shorthand typewriting machine : en
  • GB553084A - Improvements in or relating to x-ray tubes : en
  • CA412239A - Laundry apparatus : en fr
  • US2318095A - Core structure : en
  • US2318413A - Gable trim shingle unit : en
  • CA412199A - Electrical steel : en fr
  • US2317981A - Spindle construction : en
  • US2318228A - Control means for heating devices : en
  • US2318276A - Engine lubricating system : en
  • US2318436A - Sedimentation tank : en
  • DE735155C - Adjusting device for the rolls of rolling mills : de en
  • US2318462A - Apparatus for filling oil drums or the like : en
  • USD135642S - Giovagnonl trouser-skirt : en
  • US2318091A - Vapor-electric device : en
  • US2318212A - Stabilization of styrene : en
  • CA412180A - Trailer hitch : en fr
  • FI19613A - Fastening of the rubber coating : en fi
  • CA412266A - Cutting and sawing machine : en fr
  • US2318155A - Gun rifling machine : en
  • US2318193A - Pick : en
  • DE717551C - Vacuum steam heating system : de en
  • DE735025C - Lifting device for lifting the cover of slotless conductor line ducts : de en
  • US2318047A - Binder guide or folder for sewing machines : en
  • US2318530A - Belt-measuring apparatus : en
  • US2318235A - Needle for making matted fabrics : en
  • US2318509A - Apparatus for the manufacture of shoes : en
  • US2318523A - Separation and purification of gaseous mixtures : en
  • CA412211A - Airplane : en fr
  • CA412309A - Ingot mould : en fr
  • US2318171A - Holder for pencils and the like : en
  • CA412272A - Spring shackle : en fr
  • US2318279A - Compensating arrangement for thermal relays : en
  • US2318242A - Gripping mechanism : en
  • US2318475A - Collapsible baby's high chair : en
  • US2317998A - Conical cap for collapsible tubes : en
  • DE735209C - Invisible hinge for vehicle doors, especially for motor vehicles : de en
  • US2318187A - Automatic control for fluid transmissions : en
  • US2318359A - Electromagnet : en
  • GB553071A - Improvements in and relating to expansion joints and methods of making materials foruse therein : en
  • DE734967C - Mercury immersion switch : de en
  • FR881734A - Improvements made to speedometers : en fr
  • GB553095A - Improvements in extrusion devices, for example, for extruding raw doughnuts : en
  • DE735185C - Circular saw machine with rotating workpiece and almost constant cutting cross-sections during cutting : de en
  • US2318159A - Panel selector : en
  • US2318465A - Printing means : en
  • US2318189A - Vehicle radiator shield : en
  • FR881712A - Electric water heater tap : en fr
  • DE735157C - Pliers for cutting metal strips for pipe clamps : de en
  • CA412318A - Reinforcing rim for paper articles : en fr
  • GB553013A - Improvements in and relating to electric lifts : en
  • GB553102A - Improvements in and relating to the treatment of textile threads : en
  • US2318479A - Control apparatus : en
  • US2318094A - Mop : en
  • DE735021C - Method and device for producing vacuum flasks : de en
  • GB553044A - Improvements relating to the manufacture of rollers for haulage systems : en
  • DE735016C - Capacitance measuring bridge with zero instrument, especially for determining the content of fuel tanks on airplanes : de en
  • DE735078C - Process for the continuous generation of oxygen from mixtures of chemicals : de en
  • DK60886C - Made with Split Tail. : da en
  • FR881724A - Safety valve for transportable steam boilers : en fr
  • US2318158A - Mixing machine : en
  • US2318422A - Ironer : en
  • US2318458A - Hospital table : en
  • DE734992C - Production of complex fluorides : de en
  • US2318233A - Aircraft propeller : en
  • US2318563A - Lady's handbag : en
  • FR881744A - Cooling table for rolled objects, provided with a device for stacking, on the field, flat rods : en fr
  • US2318152A - Cosmetic holder : en
  • US2318179A - Gear finishing : en
  • US2318185A - Cap and method of making the same : en
  • US2318294A - Method of and apparatus for trimming excavations : en
  • DE734924C - Process for the manufacture of a herbal product for softening and cleansing the skin : de en
  • FR881698A - Improvements to soles of wood or similar hard materials for shoes of all kinds : en fr
  • GB553038A - Improvements relating to gas fires : en
  • GB553062A - Means for treating and feeding material : en
  • GB553092A - Improvements in or relating to a.c. electric circuit-breakers of the gas-blast type : en
  • DE735117C - Gas detonator : de en
  • FR881672A - Process for the preparation of plastic masses endowed with a uniform and high elasticity thanks to the presence of rubber and products obtained by this process : en fr
  • DE734989C - Process for the production of chemically stiffened, air and moisture-permeable inserts for laundry items : de en
  • DE735049C - Slip-on cladding of the unused coupling of a slip-on railway vehicle : de en
  • FR881671A - Distillation process : en fr
  • US2318142A - Crusher : en
  • US2318088A - Suction cleaning apparatus : en
  • US2318312A - Radio program selecting apparatus : en
  • FR881787A - ethers-salts of polycarboxylic acids and their application as solvents, plasticizers and gelatinizing agents : en fr
  • US2318282A - Fuse anchor : en
  • USD135616S - Design for a container : en
  • US2318482A - Vulcanization accelerators : en
  • FR881656A - Process for improving the heat resistance of polyvinyl acetals : en fr
  • FR881679A - Backlash and lubricating bearing device for shafts rotating at high speeds : en fr
  • FR881658A - Esterification process : en fr
  • US2318250A - Grain separator : en
  • US2318463A - Production of coarse crystalline salts : en
  • US2318058A - Building unit and construction made therefrom : en
  • US2318538A - Variable power transmission mechanism : en
  • US2318534A - Batter mixer : en
  • FR881665A - Process for preparing condensation products of urea and acrolein : en fr
  • FR881731A - Processes for the manufacture of fangs, spades, forks and all agricultural implements comprising teeth : en fr
  • FR881666A - Process for producing porous molded articles, including filters, diaphragms and the like : en fr
  • US2318270A - Optometrist tool : en
  • US2318425A - Combined typewriting and computing machine : en
  • FR881769A - Rubberized product to cleanse the skin : en fr
  • FR881709A - Pressure device for stretching rolls of textile fibers of various kinds used on spindle beds with at least three rolls : en fr
  • GB553064A - Improvements in photographic developers : en
  • DE735125C - Lung-automatic control device for breathing apparatus : de en
  • DE735037C - Process for the production of animal feed or additives to dietetic nutrients from cellulose : de en
  • US2318258A - Control mechanism for motor vehicles : en
  • US2318285A - Attachment for micrometer calipers : en
  • DE735109C - Continuously operated acetylene generator : de en
  • IE16438L - Ventilators : en
  • DE735072C - Bombed underground fuel tank : de en
  • DE735106C - Bracket for the permanent wave method : de en
  • CA412307A - Spongy rubber pillow : en fr
  • CA412326A - Fastening screw : en fr
  • FR51803E - Gasifier upgrading with charcoal dust and charcoal grain : en fr
  • US2318113A - Means for producing pipe bends : en
  • US2318508A - Material feeding apparatus : en
  • USD135625S - Kanter cigarette pack holder : en
  • US2318067A - Chair : en
  • US2318161A - Water regulating valve : en
  • US2318400A - Tractor-mounted picker sheller : en
  • US2318419A - Apparatus for coating metal strip or wire : en
  • USD135638S - Design for a tablecloth or : en
  • US2318513A - Combined twine holder and retractor : en
  • DE735002C - Device for controlling internal combustion engines with fuel injection : de en
  • US2318521A - Mine car stop : en
  • US2318527A - Travel case : en
  • CA412229A - Television synchronizing system : en fr
  • DE735080C - Bogie for rail vehicles : de en
  • US2318536A - Fluorescent lighting fixture : en
  • FR881771A - Machine for working thin blades : en fr
  • US2318484A - Cube tap : en
  • AU562542A - Improved connection for tyre pumps : en
  • FR881778A - Power supply for electrically heated propellers : en fr
  • GB553039A - A screwless flint lighter : en
  • FR881664A - Process for purifying cycloaliphatic ketones : en fr
  • US2318535A - Mute : en
  • US2318191A - Riveting mechanism : en
  • DE734979C - Carburettors for internal combustion engines : de en
  • US2318310A - Vulcanizer hoist : en
  • US2318550A - Tractor wheel adapter : en
  • US2318267A - Telephone line identification : en
  • DE735172C - Sound supply system for large areas with spatially distributed speakers : de en
  • US2318150A - Towing device and hook-up : en
  • US2318396A - Crossarm reinforcement : en
  • US2317989A - Television : en
  • US2318167A - Liner setting and washing device for wells : en
  • US2318157A - Suction-pressure-regulating valve : en
  • US2318360A - Abrasive : en
  • GB553087A - Improvements in or relating to guards for protecting loaded chains : en
  • US2318217A - Heat-saving and/or black-out window shield : en
  • FR881659A - Arylsulfonic derivatives and process for their preparation : en fr
  • GB553115A - Improvements in or relating to the starting of internal combustion engines : en
  • CA412195A - Anti-skid device : en fr
  • US2318503A - Electric converter : en
  • DE734943C - Method and device for determining the operating conditions on textile machines, in particular spinning, twisting or winding machines : de en
  • US2318357A - Clutch : en
  • US2318547A - Golf ball : en
  • FR51780E - Soft rim wheels : en fr
  • GB552990A - Improvements in and relating to the manufacture of cast iron : en
  • GB553120A - Improved means for detecting and measuring vibration in fluid pressure : en
  • CA412283A - Sanitary napkin : en fr
  • FR881745A - Auxiliary apparatus for radiography by photographing the image formed on the screen : en fr
  • FR51797E - Shoe system with flexible soles of wood or other rigid material and method of manufacture thereof : en fr
  • FR881772A - Rail vehicle, suspended chassis : en fr
  • US2318350A - Can opener : en
  • DE735101C - Control device for a two-power bus : de en
  • CA412205A - Filing cabinet interlock : en fr
  • GB552973A - Improvements in or relating to adjustable reamers : en
  • DE735035C - Harmonica with register keys : de en
  • CA412297A - Fourdrinier machine : en fr
  • FR881760A - Subscriber telephone sets : en fr
  • FR51813E - Process for the hydrolysis of cellulosic and hemi-cellulosic polysaccharides and substances containing these materials : en fr
  • FR51804E - Method of constructing buildings, in particular wooden barracks : en fr
  • GB552993A - Improvements relating to apparatus for testing fatigue of constructional materials : en
  • USD135645S - Design fob an embroidered lace : en
  • DE734918C - Hydroelectric power unit in which the turbine wheel is used as part of the electrical machine and in which the pole wheel rim forms a circumferential part of the headwater duct of the water turbine : de en
  • DE734930C - Air-compressing internal combustion engine for powdery fuels : de en
  • US2318004A - Graver holder : en
  • CA412233A - Fabric cleaning method : en fr
  • CA412298A - Nozzle for vacuum cleaners : en fr
  • US2318302A - Process of and composition for waterproofing permeable material : en
  • US2318552A - Process for the manufacture of films, foils, bands, and the like from cellulose solutions : en
  • FR881713A - Clothespin : en fr
  • GB553103A - An improved method of salvaging bolts which have been burred over or expanded at their outer ends for nut locking purposes : en
  • CA412257A - Vapour-electric valve control system : en fr
  • US2317980A - Magnesium-base alloy : en
  • US2318040A - Locomotive construction : en
  • US2318369A - Button holder : en
  • CA412290A - Lignin sulphonic acid hydrogenation : en fr
  • DE735061C - Arc light headlights : de en
  • US2318018A - Holder and needle for hand knitting : en
  • DE735201C - Group cross connection : de en
  • GB553025A - Thread tensioning device : en
  • DE735081C - Switching arrangement for lever mechanisms in which key contacts are used : de en
  • US2318428A - Wobbler or flexible mounting for stuffing boxes : en
  • DE735098C - Typewriter for notes and their symbols : de en
  • US2318043A - Control system : en
  • US2318322A - Method for producing lacquer or varnish resist : en
  • DE735147C - Hot die : de en
  • CA412278A - Engine cooling system : en fr
  • US2318374A - Textile printing apparatus for printing one or both sides of fabrics : en
  • CA412329A - Colour photographic material : en fr
  • USD135602S - Design for a textile fabric : en
  • US2318566A - Yoke vise : en
  • US2318313A - Speed indicating device : en
  • US2318358A - Condition control system : en
  • CA412242A - Clothes washing machine : en fr
  • US2318109A - Heating pad : en
  • US2318281A - Vehicle signal and switch mechanism : en
  • US2318470A - Photoelectric measuring device : en
  • CA412200A - Window : en fr
  • US2318405A - Relay : en
  • US2317997A - Form for concrete walls, floors, or the like : en
  • US2318144A - Photoelectric musical instrument : en
  • DE734995C - Run-time tubes with cavity resonators : de en
  • FR51835E - Device for adjusting a photoelectric light meter forming part of a photographic or cinematographic camera : en fr
  • CA412235A - Fabric washing apparatus : en fr
  • DE734999C - Filling shaft sectional boiler with lower burnout for burning gas-rich fuels : de en
  • DE735045C - Aroma catcher for the complete recovery of aroma, alcohol etc. from the air laden with such substances in distillation systems for the production of essences and fruit juice : de en
  • FR51778E - Variable length spacer for airplanes : en fr
  • USPP580P - Peach : en
  • US2318507A - Adjusting mechanism for locomotive driving boxes : en
  • DE734981C - Showcase : de en
  • DE753727C - : de en
  • GB552985A - Improvements in or relating to high-voltage transformers : en
  • CA412228A - Electric insulated cable : en fr
  • CA412301A - Metal sheet interlock : en fr
  • US2318076A - Motor protective device : en
  • US2317979A - Manganese-base alloy : en
  • US2318015A - Electric switch : en
  • US2318399A - Heated press : en
  • US2318448A - Tabulating mechanism for accounting machines : en
  • CA412191A - Filter apparatus : en fr
  • CA412270A - Transport loader : en fr
  • US2318241A - Calculating machine : en
  • US2318081A - Lap storage rack : en
  • US2318341A - Process for the polymerization of aliphatic aldehydes : en
  • CA412293A - Caster : en fr
  • US2318492A - Air mattress : en
  • DE734968C - Protection circuit against contact voltage : de en
  • US2318190A - Earth moving equipment : en
  • USD135612S - Fletcher, jr gasoline station : en
  • DE734727C - Device on special typewriters and accounting machines for pulling back carbon paper : de en
  • GB552964A - Improvements in and relating to box fastenings : en
  • US2318378A - Stem connection for curing molds : en
  • US2318038A - Tractor-trailer : en
  • DE735048C - Resilient section stop for central buffer couplings that acts in both directions of travel : de en
  • GB553079A - A clamping device, for use particularly in clamping together two parts of a mould : en
  • DE735124C - Break protection on presses where the pressure is transmitted via an exchangeable break plate : de en
  • GB553127A - Coin controlled facsimile system : en
  • GB553109A - Improvements in or relating to methods of and apparatus for manufacturing tubular bodies from a web : en
  • US2318442A - Sewing machine : en
  • US2318074A - Corona elimination in generator end windings : en
  • US2318299A - Intercontrolled typewriter-punching machine : en
  • FR51800E - Automatically variable flow air distribution device for gasifiers and gas mixture cooling device : en fr
  • DE735142C - Dust and fly ash separator : de en
  • FR881708A - Automatic pressure regulator : en fr
  • GB552975A - Improvements in and relating to vacuum cleaners : en
  • US2318516A - High frequency antenna system : en
  • US2318416A - Kneeling stool : en
  • GB553004A - Process and apparatus for regenerating exhaled air : en
  • US2318554A - Control device : en
  • FR881775A - Improvement in the preheating of thermite welding molds : en fr
  • GB553060A - Improvements in or relating to oleo-pneumatic shock absorbers : en
  • DE735128C - Solid rubber tires for disc wheels of vehicles : de en
  • GB553018A - Improvements in dynamo electric machine for the generation and utilisation of unidirectional electric current : en
  • US2318452A - Shipping and display carton : en
  • DE735112C - Device for the continuous production of hoses or pipes : de en
  • GB552991A - An improved temperature indicator : en
  • FR881680A - Method and product for treating stockings or other knitted articles : en fr
  • USD135626S - Design foe, a hydraulic control unit : en
  • US2318010A - Valve control : en
  • US2318039A - Rock crusher : en
  • CA412207A - Bridle bit : en fr
  • FR51815E - Distributor plate for internal combustion engine ignition distributor : en fr
  • FR881703A - Device for pressing the drawing rolls of ribbons or webs drawing benches which are used in particular for spinning textile fibers of different types : en fr
  • DE730396C - Cleaning device for sweeping and brushing purposes : de en
  • DE734926C - Funnel for coal chutes : de en
  • GB552966A - Improvements in or relating to absorption refrigerating apparatus : en
  • CA412212A - Float valve : en fr
  • DE734938C - Pedal control with foot brake for aircraft : de en
  • DE734994C - Circuit arrangement for the matching setting of locally separated switchgear in telecommunications systems, especially in telephone systems with main and sub-offices : de en
  • US2317969A - Timer for electrical systems : en
  • DK60874C - Impulse transmitter for electric fences. : da en
  • DE735191C - Safety device in an auxiliary power switching device for a change gearbox with main friction clutch, in particular for motor vehicles : de en
  • DE734952C - Vehicle that can be converted to wheel or caterpillar travel : de en
  • DK60885C - Device for firearms with thin-walled locking frame. : da en
  • CA412287A - Filtering system : en fr
  • DE734942C - Open retaining ring U-shaped cross-section for household cans : de en
  • DE735104C - Method for producing a cable head on carbon cables for electrical machines : de en
  • US2318403A - Device for the parallel guidance of dental tools : en
  • US2318471A - Friction toroidal transmission : en
  • DK60871C - Process for the preparation of 4-aminomethyl-benzene sulfonamides. : da en
  • GB553118A - Improvements in the manufacture of bonded asbestos fibre articles : en
  • FR881654A - Provision of protection of machines or electrical devices by bimetallic relay : en fr
  • AU112994B2 - Radio distance meter : en
  • GB553083A - Improvements relating to electrodes or welding rods for use in automatic electric arc welding apparatus : en
  • DE735123C - Cinematographic display device : de en
  • GB553116A - Improvements relating to chucks : en
  • CA412210A - Strip metal drawing apparatus : en fr
  • US2318029A - Intermittent gas lift pump : en
  • US2318204A - Escapement type switch : en
  • DE735022C - Process for the production of a vessel made of glass or ceramic with metal feedthroughs : de en
  • FR881790A - Wooden sole for shoes : en fr
  • GB553098A - Improvements in methods of manufacturing alkaline earth metal beryllates : en
  • US2317982A - Inertia actuated device : en
  • FR881662A - Corrugated section tube for heat exchangers and its method of manufacture : en fr
  • FR881780A - Essange and water softening products : en fr
  • FR881796A - Junction staple, in particular for conveyor belts : en fr
  • AU116874B2 - Improvements in or relating to selective circuits for alternating current signalling systems : en
  • CA412216A - Toilet paper holder : en fr
  • US2318342A - Automatic service restoring circuit breaker : en
  • AU116882B2 - Recovery of solvent : en
  • US2318496A - Warm air furnace : en
  • AU453242A - Improvements in telephone or like systems : en
  • US2318562A - Damming device : en
  • AU580042A - Recovery of solvent : en
  • AU806743A - Improvements in telephone systems : en
  • CA412249A - Arc snuffing circuit : en fr
  • FR51799E - Soap dish : en fr
  • FR51811E - Improvements to vane pumps and similar machines : en fr
  • CA412181A - Implement draft connection unit : en fr
  • AU518442A - Portable means for turning or true-ing upthe worn crank pin ofan engine crankshaft : en
  • FR881681A - Device with secret padlock particularly applicable to the brakes of bicycles, tandems, mopeds or the like : en fr
  • US2318567A - Conveyer release mechanism : en
  • DE734993C - Production of hydrocarbons from carbon monoxide and hydrogen : de en
  • CA412224A - Wood finishing method : en fr
  • US2318019A - Device for removing curvature from metallizing wires : en
  • US2318023A - Welding apparatus : en
  • CA412321A - Yarn package treating apparatus : en fr
  • CA412268A - Complex organic phosphate : en fr
  • FR51828E - Improvement in the manufacturing processes of discs for talking machines : en fr
  • DE735083C - Device for monitoring the supply of electricity from charging devices for electrical collector batteries : de en
  • DE735173C - Selector relay : de en
  • FR51801E - Transparent, waterproof and flame retardant fabric for industrial use : en fr
  • DE706620C - Process for the extraction of nitrogen and oxygen from air : de en
  • FR51834E - Method of manufacturing magnetogram holders, for example steel sonic wires and steel sonic tapes : en fr
  • AU621442A - An improved temperature indicator : en
  • DE734935C - Vehicle, especially aircraft : de en
  • DE735013C - Hole punch with compulsory back and forth feed of the punch : de en
  • DE734963C - Testing and switching device for mobile electrical telecommunication cables and lines : de en
  • DE734958C - Sealing ring for wheel sets of conveyor wagons and similar wagons : de en
  • GB553007A - Improvements in and relating to maximum demand meters : en
  • GB553072A - Improvements in games balls composed of or containing rubber or the like and their manufacture : en
  • GB552978A - Improvements in or relating to cathodes for the electrolytic deposition of manganese thereon, and methods of making such cathodes : en
  • DE735053C - Temperature-constant, tunable oscillation circuit with a high-frequency variometer with a movable mass core : de en
  • US2318446A - Punch : en
  • DE735160C - Process for making artificial silk fabrics water-repellent, translucent and glossy : de en
  • FR881722A - Process for making threads : en fr
  • FR51796E - Improvements made to devices which supply lean gas to stationary or mobile engines : en fr
  • FR881797A - Typewriter with tilting and removable cover : en fr
  • GB553085A - Improvements in or relating to means for inserting a resilient sleeve between an inner and an outer member : en
  • US2318022A - Fabricated house : en
  • FR881721A - Process for the preparation of detergents : en fr
  • GB553012A - Improvements in or relating to electric current-rectifying tubes : en
  • DE734914C - Automatic direction finder : de en
  • DE734978C - Light metal jacket with cooling ribs for cylinders of internal combustion engines : de en
  • FR881727A - Process for the manufacture of ornamental objects and resulting objects : en fr
  • GB552995A - Improvements relating to means or machinery for clearing or excavating ditches : en
  • DE734986C - Impact fuse for twist projectiles : de en
  • FR51759E - Synthetic resinous compositions : en fr
  • FR881747A - Typewriter : en fr
  • GB553051A - Improvements relating to pleatable draw-tape for suspending curtains or the like : en
  • GB553023A - Improvements in or relating to brakes more particularly for change speed gear mechanism : en
  • US2318343A - Service restoring circuit breaker : en
  • US2318545A - Railway traffic controlling apparatus : en
  • CA412215A - Vehicle wheel raising device : en fr
  • FR881683A - Improvements made to drawbars for manual remote control in general : en fr
  • FR881719A - Process for the preparation of polymerized vinyl and acrylic derivatives : en fr
  • FR881710A - Frame for ladies' bicycles with certain tubes with special profile sections : en fr
  • DE734907C - Modulation circuit for high frequency transmitter : de en
  • DE735024C - Toilet seat with adjustable seat frame parts that change the size of the seat opening : de en
  • DE735218C - Device for growing crystals of preferred growth direction using seedlings : de en
  • US2318118A - Selective automatic apparatus for reproducing images from records thereof : en
  • US2318349A - Erosion check dam : en
  • US2318178A - Method of extracting : en
  • US2318222A - Refrigeration apparatus : en
  • US2318035A - Process and reagent for resolving emulsions : en
  • US2318077A - Suspension file : en
  • US2318182A - Fastener : en
  • GB553059A - An improvement in or relating to machines for tentering textile fabrics : en
  • US2318173A - Means for cutting sheets of different lengths from traveling webs : en
  • US2318384A - Toolmaker's compass : en
  • US2318065A - Hydraulic drive : en
  • US2318387A - Hexyl-chloro-m-cresol antiseptic : en
  • US2318391A - Process for preparing camphene : en
  • US2318429A - Aqueous dispersion of polymerized alkyl methacrylate and method of preparing same : en
  • US2318495A - Treatment of hydrocarbons : en
  • US2318537A - Ophthalmic spectacles : en
  • US2318153A - True airspeed indicator : en
  • US2318512A - Purification and drying of chlorine gas : en
  • AU116891B2 - Improvements in or relating to reflex light reflectors, method of making thesame, and signs adapted for outdoor highway use and including the improved reflex light reflector : en
  • CA412248A - Electric discharge device : en fr
  • US2318112A - Union : en
  • US2318053A - Wall joint construction : en
  • US2318084A - Garment hanger : en
  • US2318497A - Plaited material and method of making the same : en
  • DE735070C - Oxygen breathing apparatus with breathing air circulation : de en
  • US2318268A - Diversity receiving system : en
  • GB553108A - Improvements in or relating to apparatus for determining the roughness of surfaces : en
  • DE735041C - Process for the manufacture of squeeze tubes from a metallic or non-metallic jacket and a one-piece head piece provided with a bead : de en
  • DE735187C - Protective clothing and blankets against toxic gases : de en
  • US2318560A - Asbestos yarn : en
  • US2318260A - Helicopter and controls therefor : en
  • DK60882C - Stand for Immersion of empty or partially filled Containers, e.g. Milk transport buckets, in a liquid basin. : da en
  • US2318486A - Propeller blade packing : en
  • GB552997A - Improvements in or relating to the preparation of aminotriazine-aldehyde resinous condensation products : en
  • US2318323A - Manufacture of halogenated hydrocarbons : en
  • CA412202A - Brake for hoist machinery : en fr
  • US2318410A - Coin chute : en
  • FR881715A - Manufacturing process of sanitary ware and resulting products : en fr
  • USD135639S - Design for a brassiere : en
  • US2318103A - Shoemaking method : en
  • US2317974A - Pseudo steam puffing apparatus for toy trains : en
  • US2318243A - Apparatus for fiberizing fusible inorganic substances and forming the fibers into bats : en
  • CA412204A - Filing cabinet interlock : en fr
  • US2318197A - Visual indicator : en
  • US2318415A - High-frequency iron core : en
  • CA412190A - Fish lure : en fr
  • CA412251A - Coated lightning-arrester block : en fr
  • DE734970C - Electrical machine with coolers arranged in a gas-tight and pressure-tight housing : de en
  • FR881741A - Process for preparing sulfuric acid : en fr
  • US2318100A - Concealed storm window and screen : en
  • US2318483A - Apparatus for filling berry containers : en
  • US2318417A - Artificial reverberation system : en
  • USD135614S - Design fob a dress : en
  • CA412244A - Circuit interrupting apparatus : en fr
  • US2318080A - Loop pile fabric and method and apparatus for weaving same : en
  • US2318195A - Ignition system : en
  • DE734973C - Device for warming solid foodstuffs, in particular sausages, by electrical means through direct current passage : de en
  • CA412279A - Pulp sheet manufacture : en fr
  • AU331240A - Radio distance meter : en
  • US2318062A - Soil sampler : en
  • US2318572A - Tuning structure for radio sets : en
  • USD135611S - Design fok a badge : en
  • GB553099A - Improvements in processes and apparatus for spraying fusible and thermoplastic material : en
  • US2318120A - Treatment of textile yarns and filaments : en
  • DE735179C - Film guide and exposure device for optical sound recordings : de en
  • FR881685A - Signal transmission system : en fr
  • CA412179A - Air nozzle : en fr
  • GB552998A - Improvements in or relating to cutting out or like presses : en
  • FR51794E - Improvements to mixer-enrichers and scrubbers for wood gasifiers : en fr
  • DE729981C - Process for demagnetizing, in particular, uneven workpieces : de en
  • CA412218A - Brake arrangement : en fr
  • US2318402A - Preparation of dental bridge prothesis : en
  • US2317985A - Demountable freight container : en
  • US2317983A - Torsional vibration dampener : en
  • DE735086C - Compressed air accumulator with safety control : de en
  • DK60876C - Electric Receiver Tube for High Performance and High Frequencies. : da en
  • CA412260A - Glass article handling method and apparatus : en fr
  • GB552963A - Improvements in sealing electrical conductors through vitreous walls : en
  • FR881750A - Device for continuous melting free of bubbles, organic substances, forming of threads and films or films, more especially of synthetic linear polycondensation products : en fr
  • US2318315A - johnston : en
  • DE734717C - Ironing machine : de en
  • DE734929C - Reduction furnace with gas extraction : de en
  • DE735051C - Circuit arrangement for eliminating the blocking of an aperiodic amplifier caused by overdriving due to negative grid charging : de en
  • DE735204C - Incandescent cathode discharge tube with three electrodes : de en
  • US2318141A - Apparatus for preserving juice : en
  • US2318466A - Protecting apron for well tubing : en
  • CA412203A - Engine electric throttle control system : en fr
  • CA412327A - Metal fastening screw and rolling apparatus : en fr
  • DE735055C - Adjustment device with reduction gear for tuning elements of radio receivers : de en
  • US2318371A - Storage battery : en
  • US2317984A - Apparatus for transferring freight : en
  • US2318139A - Toy pistol : en
  • US2318073A - Mechanism for preparing postal matter : en
  • US2318098A - Phonograph apparatus : en
  • US2318180A - Conveying and distributing system : en
  • USD135606S - Design for a handbag : en
  • DE735026C - Process for briquetting bituminous fine slate without the addition of binding agents : de en
  • US2318347A - Track and detachable grouser therefor : en
  • DK60881C - Procedure for determining the amount of oxygen in a gas mixture. : da en
  • US2318175A - Pulverizer mill : en
  • US2318079A - Fluid composition : en
  • US2318539A - Slip : en
  • US2318472A - Draft appliance : en
  • FR881726A - Process ensuring the solubility of inorganic materials and its applications : en fr
  • FR51773E - Organosilicon polymers of a resinous character and their applications : en fr
  • FR51822E - Process for producing color images photographically using diffusion resistant dye formers : en fr
  • GB553121A - Piezoelectric crystal apparatus : en
  • CA412208A - Self-closing gate : en fr
  • CA412273A - Gear grinding machine : en fr
  • FR51753E - Cabin for all medical or surgical work : en fr
  • GB552980A - Improvements in or relating to hydraulic presses : en
  • US2317973A - Cartridge belt : en
  • AU448242A - An improved glass forming machine : en
  • FR881723A - Closing device intended to be fitted to compressed gas, compressed air, liquid pipes, etc. : en fr
  • GB553068A - Confectioners' kit for use in icing cakes and confectionery : en
  • US2318273A - Detachable bit tool : en
  • AU424142A - Improvements in or relating to selective circuits for alternating current signalling systems : en
  • US2318016A - Polishing disk : en
  • US2318119A - Ball bearing streamlined swivel : en
  • US2318162A - Process and apparatus for twisting rayon : en
  • US2318573A - Manufacture of cellulose esters : en
  • DE735094C - Process for dyeing leather with basic dyes : de en
  • GB552982A - Improvements in the method of electroplating with tin and alloys thereof : en
  • FR51849E - Washing product : en fr
  • US2318005A - Fire alarm gong apparatus : en
  • US2318354A - Monorail tractor : en
  • US2318477A - Shaft bearing : en
  • DE735004C - Can opener : de en
  • FR881785A - Peat extraction, purification and dehydration processes and apparatus for carrying out these processes : en fr
  • GB553043A - An improved arc extinction chamber for electric switches : en
  • GB553019A - Improvements in or relating to means for effecting the evaporation of water and the like : en
  • DE735176C - Rotatable coffin handle made of wood : de en
  • US2318427A - Bolster : en
  • US2318555A - Cleansing agent and the : en
  • DE735200C - Hollow loose contact : de en
  • CA412317A - Collar stay : en fr
  • CA412324A - Composite electric cable : en fr
  • DE735100C - Closure with safety device for connecting two flaps which meet at right angles, in particular two walls of the box structure of a vehicle, e.g. Conveyor wagon : de en
  • US2318274A - Tractor mower : en
  • DE735082C - Switch table for lever works at railway safety devices : de en
  • CA412322A - Water heating equipment protection against corrosion : en fr
  • US2317999A - Quaternary ammonium compounds : en
  • US2318024A - Welding apparatus : en
  • US2318117A - Surface treating machine : en
  • DE734668C - Process for the production of homogeneous products from drying oils u. Like. And Resoles : de en
  • US2318401A - Canalization : en
  • FR881773A - Surface carburettor with porous filler body for internal combustion engines : en fr
  • GB553052A - A new or improved attachment for fixing stair carpets : en
  • US2318318A - Refrigeration : en
  • GB553035A - Improvements relating to mechanical excavators : en
  • FR881742A - Fungicide-insecticide : en fr
  • US2318504A - Doctor operating mechanism for rolls and cylinders : en
  • FR51775E - Fully automatic gear shifting for motor vehicles and the like : en fr
  • US2318007A - Light-sensitive material : en
  • DE735060C - Device for measuring a quantity with an impedance dependent on this : de en
  • GB553299A - Improvements in and relating to maps and the production thereof : en
  • US2317971A - Dental equipment stand : en
  • US2318052A - Method of grinding butt joints of wound cores : en
  • US2318127A - Snow removal machine : en
  • US2318491A - Crane and shovel boom safety stop : en
  • US2318498A - Battery paste retainer : en
  • FR51764E - Process for making sensitized photographic silver halide emulsions : en fr
  • DE735030C - Inclination balance with printing mechanism : de en
  • FR51785E - Wooden louver : en fr
  • US2318346A - Rotary pump : en
  • DE735075C - Electrically heated iron : de en
  • FR51802E - Weigh-bagging method and apparatus : en fr
  • US2318368A - Spraying device for paper machines : en
  • DE734976C - Liquid heater with an oil burner : de en
  • DE735180C - Viewfinder : de en
  • US2318225A - Production of isobutane : en
  • US2318435A - Glass-to-metal seal and eyelet for constructing the same : en
  • US2318453A - Spring motor : en
  • US2317991A - Promoter, method, and product : en
  • DE734925C - Device for sterilizing and cleaning vessels : de en
  • US2318216A - Variable fuel orifice carburetor : en
  • DE734681C - Press for the production of metal pipes, in particular lead cable sheaths : de en
  • US2318137A - Means for receiving radio signals : en
  • US2318485A - Female connector : en
  • US2318200A - Automatic cutoff for sewing machines : en
  • US2318367A - Insulated electric conductor : en
  • DE735135C - Device to compensate for the elongation with constant conveyors : de en
  • GB553080A - Improvements relating to change-speed gear mechanism of machine-tools : en
  • AU116892B2 - Portable means for turning or true-ing upthe worn crank pin ofan engine crankshaft : en
  • US2318392A - Planting attachment : en
  • DE734972C - Tubular electrical heating resistor with power supply on one side : de en
  • DE735036C - Method for poekling meat : de en
  • US2318300A - Mechanism for operating switches : en
  • US2318520A - Coin and check separator : en
  • FR51830E - Process for preparing ice-cream colors when printing fabrics : en fr
  • CA412178A - Gas producer : en fr
  • CA412185A - Lock nut : en fr