• US2287166A - Device for assisting navigation : en
  • US2287585A - Coffee maker : en
  • US2287623A - Direction finding apparatus : en
  • US2287624A - Slide holder and magazine : en
  • US2287646A - Ironing apparatus : en
  • DE722026C - Aircraft strut : de en
  • CA405620A - Friction clutch : en fr
  • US2287701A - Grinding wheel dresser : en
  • CA405699A - Coating : en fr
  • US2287179A - Fluid pressure controlled windshield wiper : en
  • DE722020C - Cleaning device for the exhaust gases from internal combustion engines, in which fresh air is supplied to the exhaust gases at various times : de en
  • FR872946A - Process for preparing an edible broth and product obtained by this process : en fr
  • US2287219A - Processes of hydrogenating nitriles : en
  • US2287409A - Leather goods edge pressing device : en
  • US2287488A - Pulley : en
  • US2287581A - Tissue dispensing device : en
  • US2287675A - Molding press : en
  • DE722032C - Telephony carrying device to be attached to the head : de en
  • US2287192A - Threading head for machine tools : en
  • USD132859S - Design for a safety razor guard : en
  • CA405707A - Tubular lamp base and socket : en fr
  • FR872959A - Process for making an egg yolk-like body : en fr
  • US2287263A - Apparatus for assembling slide fastener stringers : en
  • US2287107A - Delta-phytadienic acid and process for the manufacture of same : en
  • US2287717A - Napkin holder : en
  • US2287041A - Circuit breaker control system : en
  • US2287287A - Method and apparatus for making hinge joints : en
  • US2287145A - Motion picture record : en
  • DE721977C - Material bar with a pointed rear end for the production of workpieces with a longitudinal bore on single and multi-spindle automatic turning arms : de en
  • DK59896C - Efforts for Princes. : da en
  • CA405580A - Rock drill : en fr
  • CA405659A - Slide fastener strip : en fr
  • CA405693A - Temperature regulator : en fr
  • DE1519606U - : de en
  • FR872867A - Device for sulfuric treatment of oils : en fr
  • US2287123A - Method of producing matrices for the electroforming of foraminous sheets : en
  • US2287635A - Brooder construction : en
  • CA405579A - Ignition apparatus : en fr
  • US2287101A - Means and method for analysis : en
  • US2287564A - Electric fixture : en
  • FR51445E - Improvements made to sheet metal pulleys or similar objects : en fr
  • GB546087A - Improvements in control systems : en
  • US2287318A - Balanced pressure metering pump : en
  • GB546090A - Improvements in syphons : en
  • FR873045A - Processing of charcoal for the production of tablets and impregnated charcoal : en fr
  • DE721989C - Box-shaped collecting container : de en
  • DK59891C - Apparatus for Pasteurizing Liquids Contained in Containers. : da en
  • US2287284A - Apparatus and method for treating water : en
  • US2287422A - System and apparatus for operating prison cell doors : en
  • US2287657A - Laudry tub cabinet : en
  • US2287224A - Internal combustion engine : en
  • US2287038A - Metal recovery and refining furnace : en
  • US2287516A - Tractor hitch : en
  • CA405644A - High voltage protective device : en fr
  • US2287410A - Adhesive : en
  • US2287495A - Sanitary food container : en
  • GB545991A - Improvements in or relating to means for stoking locomotive fireboxes : en
  • GB546032A - Improvements in or relating to gas or other cookers : en
  • CA405653A - Metal alloying method : en fr
  • US2287583A - Coffee maker : en
  • AU115329B2 - Improvements in pneumatic pressure heads : en
  • US2287261A - Brake shoe : en
  • US2287383A - Telephone system : en
  • DE721879C - Spinning spindle with exchangeable bearing sleeve : de en
  • DE721994C - Movable designed limit stop for the line shift lever of typewriters or the like. : de en
  • AU217841A - Temperature compensation for pressure actuated indicators : en
  • FR873050A - Improvements to welded pipe manufacturing processes : en fr
  • US2287116A - Art of incorporating drying metals in paints, varnishes, linoleums, inks, etc. : en
  • US2287513A - Tile binder : en
  • US2287539A - Electromagnetic switch : en
  • US2287321A - Cosmetic applicator : en
  • US2287391A - Drill press : en
  • US2287625A - Nonremovable container closure : en
  • USD132867S - Design for an ash tray : en
  • DE722033C - Circuit arrangement for the readiness check of alarm points : de en
  • GR9905B - METHOD TO REDUCE THE ADDITION OF WATER TO THE MAKING OF MORTAR AND CONCRETE. : el en
  • US2287386A - Ignition control : en
  • DE721988C - Device for hot rolling strips, strips and sheets : de en
  • DE722022C - Split longitudinal wedge : de en
  • FR872954A - Method and apparatus for the recovery of pyroligneous juices during the carbonization of wood in mobile kilns : en fr
  • DE722030C - Can opener : de en
  • US2287201A - Electrical stress grading device : en
  • US2287288A - Washing machine : en
  • DE721888C - Process for the treatment of alloys for objects that are mechanically stressed at high temperatures : de en
  • DE721976C - Friction change gear with split ball : de en
  • FR872930A - Device for starting internal combustion engines : en fr
  • FR872870A - Adjustable beam box for electric lighting : en fr
  • CA405577A - Locomotive smoke box : en fr
  • DK59907C - Device for glass polishing machines. : da en
  • US2287507A - Slide fastener machine : en
  • US2287760A - Lubricator : en
  • DE721884C - Tube surge arrester : de en
  • DE721964C - Pressure contact for lute works or the like. : de en
  • US2287429A - Electric shooting range : en
  • USD132842S - Angle dresser for abrading elements : en
  • US2287050A - mummert : en
  • US2287220A - Transmitting antenna : en
  • SE104828C1 - : sv
  • US2287109A - Portable lamp : en
  • US2287043A - Regulating device for timepieces : en
  • US2287032A - Barrel and gas cylinder assembly for firearms : en
  • US2287098A - Automatic record changing apparatus : en
  • US2287236A - Airplane wheel : en
  • US2287476A - Apparatus for reducing ore : en
  • FR51439E - Removable device for converting bicycles into vélosside cars : en fr
  • CA405615A - Electric cable : en fr
  • US2287180A - Fastener : en
  • FR872935A - Guide wheel brake for fottinger hydraulic coupling : en fr
  • FR872997A - External coating device for longitudinal joints of cans : en fr
  • GR9898B - TYPE OF CONTINUOUS METAL CASTING. : el en
  • US2287102A - Preparation for promoting the growth of plants : en
  • US2287113A - Amusement device : en
  • US2287613A - Key pulsing sender for telephone systems : en
  • GB546014A - Improvements in or relating to juice extracting machines : en
  • US2287229A - Building construction : en
  • US2287428A - Price ticket holder : en
  • USD132850S - Design for a pressing ikon stand : en
  • US2287591A - Dishwashing apparatus : en
  • GB546033A - Improvements in or relating to weighing or other apparatus : en
  • GB546106A - Improvements in or relating to grease guns : en
  • AU115310B2 - Television synchronizing system : en
  • US2287445A - Shoe and heel construction : en
  • US2287753A - Uniform : en
  • US2287086A - Dress form for display stands : en
  • US2287633A - Piping system and manifold construction : en
  • FR873032A - Horseshoe magnet made of high coercive force material : en fr
  • GB546048A - Improved method of introducing barium into a closed space : en
  • FR872884A - Mounting device for obtaining a symmetrical voltage proportional to time, for the one-way scanning of the cathode ray in the braun tubes : en fr
  • FR872891A - Electric switch operated with compressed air : en fr
  • FR872942A - Method of joining, by welding, electric cables with fluid oil : en fr
  • DE721980C - Hand pump to operate landing gears, landing flaps, retractable coolers or other adjustable aircraft parts : de en
  • DE721919C - Dividing head for machine tools : de en
  • US2287403A - Method of and apparatus for treating veneer blocks : en
  • CA405675A - Electric discharge tube : en fr
  • CA405590A - Grain shocker : en fr
  • FR872996A - Varnishing process for the longitudinal joints of cans : en fr
  • FR873029A - Device for limiting the rotational speed of carburettor engines : en fr
  • US2287169A - Tilting closet actuator mechanism : en
  • US2287312A - Food kit : en
  • US2287588A - Hand brake : en
  • CA405687A - Refrigerator car : en fr
  • US2287018A - Metal sheet piling : en
  • US2287106A - Homologues of dl-tocopherols : en
  • US2287193A - Process for making closed-cell cellular rubber : en
  • FR51403E - Process for the total gasification of fuels with a high volatile content : en fr
  • GB546066A - Compression riveter or like machine : en
  • AU115338B2 - Improvements in or relating to amplifying circuits for ultrashort waves : en
  • US2287739A - Adjustable support for heddle bars : en
  • GB546102A - Improvements in or relating to life saving side nets for ships : en
  • GR9902B - OVEN FOR THE DISTILLATION OF FUEL MATERIALS WITH HORIZONTAL OPERATING CHAMBER. : el en
  • GB545984A - Improvements relating to filters for gaps in magnetic core structures : en
  • GB546067A - Improvements in and relating to apparatus for preventing ice formation on aircraft or for de-icing aircraft : en
  • FR872951A - Indicator cartridge for fused circuit breakers : en fr
  • GB546018A - Improvements in or relating to the manufacture of insecticidal and fungicidal amine salts of dinitro-phenols : en
  • US2287183A - Musical instrument : en
  • US2287337A - Power actuated shaver : en
  • DE721969C - Self-breaker : de en
  • US2287363A - Prepayment mechanism : en
  • US2287756A - Condensation product of the ureaformaldehyde type : en
  • US2287704A - Accelerator control : en
  • CA405704A - Filler package : en fr
  • DE721950C - Device for feeding the filling chute of briquette presses, in particular lignite briquette presses : de en
  • US2287319A - Paraffin removing device : en
  • US2287611A - Shelf : en
  • AU2344225A - Improvements in harvesting machines : en
  • CA405648A - Ground scraper : en fr
  • US2287515A - Vacuum cleaner : en
  • CA405684A - Glycerine recovery : en fr
  • US2287684A - Mounting means for enclosed electric devices : en
  • DE721917C - Use of brass alloys for bearings : de en
  • DE722034C - Circuit arrangement for telephone systems in which two telephone stations are connected to a connecting line to a subscriber : de en
  • DK59909C - Sewage sand trap. : da en
  • FR873026A - Lighter : en fr
  • AU141941A - Improvements in and relating to electrical communication systems : en
  • DE721970C - Electrode feed or holder for gas or vapor-filled discharge vessels : de en
  • DE721971C - Chopper of an inverter with a pendulum spring and a counter spring carrying the opposite pole of the contact : de en
  • DE721868C - Sound film with push-pull double serrated writing : de en
  • DE718638C - Curtain track made of wood with two or more running tracks : de en
  • DE721987C - Belt buckle : de en
  • FR872925A - Carrier wave receivers : en fr
  • GB545964A - Improvements in or relating to the construction of roads or runways : en
  • GB546023A - Improvements in preselecting change-speed drives for lathes and like machine tools : en
  • GB546043A - Improvements in safety control devices for the protection of delta connected alternating current motors : en
  • US2287294A - Automatic water temperature control : en
  • US2287082A - Process for the production of iron powders : en
  • US2287015A - Process and apparatus for manufacturing paper cups : en
  • US2287344A - Filter : en
  • US2287436A - Gravity ball check device and selfcleaning condenser for smokers' pipes or cigarette holders : en
  • FR51418E - Installation for synchronous triggering of operations, in particular switching operations : en fr
  • GB546029A - Improvements relating to circuit arrangements for thermionic oscillation generators,particularly for radio communication systems : en
  • US2287594A - Tellurian : en
  • DE721895C - Electric gas switch : de en
  • US2287303A - Pruning shears : en
  • US2287404A - Mobile cold storage and refrigerating apparatus : en
  • US2287660A - Loop drawing means for fabric looping machines : en
  • US2287631A - Clutch : en
  • FR872968A - Box for explosion-proof sockets : en fr
  • US2287685A - Means for providing variable capacity highways : en
  • DE699777C - the functioning of a centrifugal contact controller for electric motors : de en
  • US2287360A - Air compressor : en
  • US2287471A - Drape support : en
  • US2287590A - Fluoroarylaminoanthraquinone acid wool dyestuffs : en
  • US2287494A - Means for mounting room thermostats : en
  • US2287196A - Conveyer : en
  • US2287339A - Compound dispenser for washing machines : en
  • US2287426A - Hot carbon spotting apparatus : en
  • FR872851A - Gyroscopic drive device, amplifier and force regulator : en fr
  • US2287733A - Sheared beaver coat and method of making the same : en
  • US2287433A - System for safeguarding the operation of steam boilers : en
  • GB546028A - Improvements in or relating to electrical power supply arrangements : en
  • DE721929C - Process for the production of high-boiling hydrocarbon oils : de en
  • DE721991C - Process for sulfiting fatty acid esters : de en
  • FR51448E - Pocket cutter for cards and food ration voucher sheets : en fr
  • US2287144A - Railway signaling system : en
  • DK59905C - Flush valve, especially for water closets. : da en
  • DE721941C - Process for the production of composite cast blocks : de en
  • US2287010A - Multiple fuse : en
  • US2287242A - Machine for shaping soles : en
  • US2287728A - Sorting machine : en
  • US2287212A - Seals for floating roofs : en
  • US2287244A - Catalytic composition : en
  • US2287705A - Precooling apparatus : en
  • FR872961A - Improvement in the principle of cooling air-cooled combustion engines : en fr
  • GB546060A - Improvements in tool-holders for use in turning, planing and like operations : en
  • FR872957A - Control device for liquid accumulators charged with compressed air : en fr
  • FR872967A - Process for the preparation of sulfonamide compounds : en fr
  • US2287696A - Carbonization of cellulose esters : en
  • DE714550C - Device to accelerate the control process in power generator arrangements with step circuits : de en
  • FR873020A - Antihemorrhoidal Bandage for Men : en fr
  • US2287173A - Means of radio transmission and reception by means of unidirectional modulation : en
  • US2287606A - Fastening device : en
  • USD132862S - Design fob a telephone reminder : en
  • US2287559A - Power transmission : en
  • DK59902C - Tap rental for Tallerkenskær. : da en
  • GB545992A - Ratchet operated step-by-step mechanism : en
  • FR873008A - Portable binocular with lens protector : en fr
  • GB546078A - Improvements in or relating to adherent sheet material adapted to provide a finishedsurface of an article : en
  • GB545994A - Improvements in non-skid soles for shoes : en
  • US2287111A - Treatment of steel surfaces : en
  • US2287621A - Two course localizer : en
  • FR873023A - Advanced training in organ control : en fr
  • FR873043A - Steam locomotive : en fr
  • DE721898C - Self-seller : de en
  • US2287455A - Corrected basic refractory : en
  • US2287435A - Valve : en
  • FR872908A - Method and device for improving hollow or solid bodies of great width : en fr
  • US2287033A - Method and apparatus for television : en
  • US2287354A - Guided pipe cutter : en
  • US2287176A - Telephone coin collector : en
  • US2287359A - Motor fuel products : en
  • FR872892A - Elastic suspension for motor vehicles and motorcycles : en fr
  • GB546027A - Manufacture of water-soluble acylbiguanides of high molecular weight : en
  • US2287226A - Securing means : en
  • AU204841A - Improvement in television synchronizing apparatus : en
  • FR872932A - Self-excited alternator : en fr
  • FR873038A - Device for maneuvering aircraft moving parts, in particular for piloting : en fr
  • US2287553A - Fuse : en
  • DE721907C - Circuit arrangement for telecommunications systems with call forwarding, especially telephone systems : de en
  • US2287452A - Combination crib and play table : en
  • GB546054A - Improvements in airscrews : en
  • GB545971A - Manufacture of aliphatic anhydrides : en
  • GR9897B - METHOD FOR PREPARATION OF FIR SHEETS AT LOW TEMPERATURE (HIEFFZIECHBLECHEN) FROM ATINA ALUMINUM CAN BE REFINED. : el en
  • DE721914C - Electrical resistance welding device : de en
  • DE721958C - Optical arrangement for converting a rectangular image into the shape of the image window of a Nipkow disk serving as a scanning device : de en
  • GB546017A - Manufacture and use of new azo dyes : en
  • CA405626A - Fluorescent material : en fr
  • DE689739C - Auxiliary machine : de en
  • DE721986C - Body impact and firedamp proof light : de en
  • FR872861A - Culture improvement : en fr
  • FR872858A - Progressive reduction corkscrew : en fr
  • GB546058A - Improvements in and relating to tracer controlled systems for machines such as copying machines : en
  • US2287338A - Portable boiler flame chamber : en
  • US2287650A - Explosionproof switch device : en
  • US2287091A - Method and apparatus for making dished heads : en
  • CA405710A - Waterproof film and hollow body production : en fr
  • GB546004A - Improved resilient mounting for instruments and machines : en
  • FR872962A - Crushing device : en fr
  • DE721887C - Process for the production of porous nickel bodies : de en
  • US2287473A - Pants and skirt hanger : en
  • FR51427E - Band-dispersion radio receiver : en fr
  • GB546019A - Manufacture of anthraquinone derivatives containing nitrogen : en
  • FR872903A - Improvements to radiotelegraph transmitters intended for research in the upper atmosphere : en fr
  • GB546001A - Improvements in or relating to the control of inflatable units, such as airfoil inflatable units for preventing ice accumulation : en
  • DE721910C - Gas-filled discharge tubes for rectifying alternating currents : de en
  • FR51416E - Improvements to the assembly of discharge tubes and their priming devices : en fr
  • FR872956A - Torsion spring : en fr
  • GB546034A - Improvements in or relating to sulphur burners : en
  • FR872852A - Device for operating the clutch and the gear change mechanism by means of a single control member, in particular for control mechanisms of motor vehicles : en fr
  • DE721912C - Cooling for a discharge device with a metal vessel : de en
  • FR872958A - Control cap for accumulators : en fr
  • FR872993A - License plate holder for cycles : en fr
  • US2287648A - Collapsible carton : en
  • DE721981C - Autonomous firearm, especially submachine gun : de en
  • US2287143A - Knitted fabric : en
  • FR51433E - Discharge valve spool, in particular for fuel injection pumps of internal combustion engines : en fr
  • DK59904C - Mixing valve for Gas Engines. : da en
  • CA405628A - Article coating apparatus : en fr
  • US2287533A - Ultra high frequency antenna feedback balancer : en
  • CA405695A - Heating apparatus mechanism : en fr
  • US2287366A - Lipstick device : en
  • DE721972C - Device for determining the switching times of a contact converter : de en
  • GB546107A - Improvements in or relating to sleeping bags : en
  • FR873022A - Improvements to mountaineering bags : en fr
  • FR873007A - Binoculars with trim to fit the head : en fr
  • GB546075A - Improvements in and relating to bolting cloth, grit gauze and the like : en
  • US2287191A - Reflector : en
  • USD132871S - Design for a black-out unit for a combination taillight, and service and stoplight lens : en
  • USD132864S - Design for a hand mirror : en
  • CA405701A - Electric heater : en fr
  • DE721973C - Automatic short-circuit device with permanent magnets : de en
  • DE721921C - Process for producing a tea from the leaves of suitable native plants, in particular from blackberry leaves : de en
  • US2287240A - Phonograph record : en
  • US2287342A - Method of making shoes : en
  • CA405627A - Electric incandescent lamp : en fr
  • CA405621A - Upholstery machine : en fr
  • US2287350A - Doctor mechanism for rolls and cylinders : en
  • DK59903C - Antifungal agent and method of preparation. : da en
  • FR872878A - Gasifier burning all fuels : en fr
  • FR872912A - Braking device, in particular for motor vehicles : en fr
  • GB546021A - Improvements in or relating to blind landing systems using electromagnetic waves : en
  • US2287158A - Method of and apparatus for separating gas mixtures : en
  • US2287264A - Preparation of monocalcium phosphate : en
  • US2287389A - Bumper, especially applicable to railway vehicles : en
  • US2287746A - Test tube closure : en
  • US2287221A - Lighting fixture : en
  • US2287706A - Bicycle boat : en
  • CA405596A - Hair cutting instrument : en fr
  • AU115337B2 - Improvements in or relating to packing rings : en
  • US2287079A - Cubicle assembly : en
  • US2287725A - Motor driven rotary polishing device : en
  • DE722029C - Control on a counter pressure bottle filler : de en
  • CA405652A - Harvester-thresher pick-up : en fr
  • CA405678A - Amino methylene aldehyde : en fr
  • FR872949A - Vane inlet for axial inlet gas or steam turbine vane rings : en fr
  • GB546086A - Improvements in or relating to detachable bits for percussive rock drills : en
  • AU322641A - Improvements in charge supporting and discharging means for vertical coal carbonising retorts : en
  • US2287131A - Combination cutter and binder for circular knitting machines : en
  • US2287061A - Process for production of alkali metal chlorates, and more particularly potassium chlorate : en
  • US2287759A - Process for the granulation of fertilizers : en
  • US2287361A - Oil burning heater : en
  • US2287610A - Cream cheese box or carton : en
  • FR873021A - Paper guiding in tube machines for making multi-layered paper tubes for strong paper bags : en fr
  • CA405668A - Tube mill mandrel : en fr
  • CA405679A - Alkyl phenol desulphurization : en fr
  • US2287544A - Electric welding of metals and the uniting of dissimilar metals : en
  • US2287580A - Coffee maker : en
  • US2287249A - Chlorine derivatives of benzyl phenyl ether : en
  • US2287358A - Bottle basket : en
  • US2287447A - Cleaning means for fruits, vegetables, etc. : en
  • US2287503A - Piano : en
  • US2287620A - Device for irradiating objects with neutrons, especially for depicting them by meansof neutron-radiation : en
  • US2287146A - Hairpin dispenser : en
  • FR872905A - Process for the preliminary treatment of wood, straw, grass and similar products, with a view to obtaining hemicelluloses for separation from the residues which must provide the actual cellulose : en fr
  • CA405617A - Measuring and controlling apparatus : en fr
  • US2287472A - Crankshaft and connecting rod connection : en
  • US2287618A - Toilet accessory : en
  • CA405605A - Fastener : en fr
  • CA405643A - Image converting and transmitting arrangement : en fr
  • DE721933C - Device for remote setting of the tuning means of high-frequency devices : de en
  • GR9893B - DISCOVERY METHOD IN VARIOUS GEOMETRIC SHAPES OF FABRIC PAINT COLORS. : el en
  • DK59898C - PROCEDURE FOR MANUFACTURE OF COOKING RESISTANT, ARTIFICIAL FIBERS AND THREADS OF VEGETABLE PROTEIN SUBSTANCES. : da en
  • FR872894A - Electroacoustic apparatus for recording or reproducing sound vibrations : en fr
  • AU115299B2 - An improved method of curing bacon : en
  • CA405666A - Railway car coupler and support : en fr
  • CA405604A - Fish lure : en fr
  • FR872893A - Agenda : en fr
  • FR872916A - Wooden sole and shoe with application : en fr
  • CA405712A - Automotive vehicle : en fr
  • CA405640A - Azimuth radio beacon system : en fr
  • FR51442E - Separate charge air radiators placed behind the plane of the cylinders of air-cooled star engines : en fr
  • FR872862A - New kind of primer and glue products : en fr
  • DE716168C - Waterproof garment : de en
  • GB546013A - Fish-plating systems for railway or like lines : en
  • FR51402E - Device for making explosive motor vehicles run on acetylene : en fr
  • US2287644A - Handled cup : en
  • DE722044C - Television recorder with lenses mounted on a revolver head : de en
  • DE709744C - Image change slider for still projector : de en
  • FR873019A - Rotary pendulum regulator for motors and the like : en fr
  • FR872978A - Motor vehicles : en fr
  • FR872909A - Improvements to small power transformers : en fr
  • GR9907B - RESPIRATORY MACHINES FOR ANIMALS HORSEBACK TRAVEL AND LOADING. : el en
  • US2287026A - Insulating, waterproof, and cushioning shoe : en
  • US2287205A - Packing head : en
  • US2287331A - Storm and screen sash : en
  • US2287723A - Compacter : en
  • FR51413E - Device for keeping the speed of the film uniform on sound drums of sound film devices rotated by the film : en fr
  • DE721866C - Process for the extraction of spinnable fibers from the tissues of marine animals : de en
  • US2287384A - Pencil : en
  • DE721881C - Liquid fuel burner : de en
  • US2287755A - Power amplifier : en
  • USRE22123E - Cutting machine : en
  • USRE22125E - floss : en
  • US2287582A - Cover structure : en
  • US2287138A - Xylophone : en
  • US2287434A - Floating drydock : en
  • US2287730A - Treatment of wax : en
  • US2287013A - Builder motion : en
  • US2287234A - Trailer hitch : en
  • US2287307A - Television receiving system : en
  • US2287729A - Container : en
  • US2287682A - Combination switch and record selector : en
  • FR872950A - selective protective equipment : en fr
  • FR872977A - New azo dyes : en fr
  • US2287235A - Pest control : en
  • FR872971A - Switch handle for controlling motorcycle and bicycle lights and headlights : en fr
  • FR873003A - Improvements to the hooking mechanisms of electrical circuit breakers : en fr
  • US2287283A - Control system : en
  • USD132851S - Design for a hairpin tray or the like : en
  • FR873039A - Process and device for the production of filaments, small strips and the like based on molten organic materials : en fr
  • FR872911A - Process for generating water repellency and reducing the ability to retain water in the case of cellulose hydrate products, especially rayon and cellulosic wool : en fr
  • US2287712A - Ferrotitanium alloy : en
  • USD132839S - Design for a novelty pin : en
  • FR872880A - Improvements made to mixed gas gasifiers and more particularly to gasifiers for vehicles : en fr
  • FR873025A - Device for recovering gas from freshly spun cellulose strips : en fr
  • US2287253A - Sound recording apparatus : en
  • DE722023C - Process for preparing emails for wet application : de en
  • FR873005A - Process for the rapid development of photographic images : en fr
  • FR872963A - Mold release oil manufacturing process : en fr
  • FR872874A - Automobile car : en fr
  • US2287372A - Removable post for vertically acting doors : en
  • US2287293A - Link : en
  • US2287198A - Method of constructing horizontal cylindrical tanks : en
  • US2287481A - Exposure meter film carton : en
  • US2287089A - Piece-work recording machine : en
  • US2287479A - Tilling device : en
  • US2287738A - Paper cutter guide : en
  • DE708116C - Process for the preparation of 4-aminoquinolines : de en
  • GB546076A - Improvements in or relating to the production of benzene sulphonhydroxy amide derivatives : en
  • US2287566A - Motor operated horn : en
  • FR51441E - Control method for duplicating milling machines : en fr
  • GB546053A - Improvements relating to children's play pens : en
  • US2287668A - Process of equalizing the color in pineapples : en
  • FR872988A - Hearth grate with stripping organs : en fr
  • US2287552A - Hospital bed and the like : en
  • US2287715A - Shielded spoon : en
  • AU115339B2 - Improvements in or relating to mixing circuits and discharge tubes for use in sucha circuit : en
  • AU306441A - Method and means for projecting images with flickering effect : en
  • US2287245A - Furnace wall burner : en
  • FR873017A - Cinematographic apparatus with periodically operating drive unit and with adjustment pin or stop system : en fr
  • US2287161A - Coated cellulosic products and method for producing the same : en
  • US2287506A - Milking machine : en
  • US2287095A - Process of degrading rubber : en
  • US2287099A - Artificial wool : en
  • DE721953C - Large refrigeration machine with device for cold storage using ice : de en
  • US2287385A - Changeable lighting device for games : en
  • GB546077A - Improvements in or relating to electrical sound reproduction : en
  • US2287574A - Hay rack : en
  • FR873034A - Airtight seal for aircraft windows, in particular for the overpressure cabins of altitude aircraft : en fr
  • US2287530A - Handy kit novelty : en
  • US2287576A - Handling device : en
  • DE721908C - Universal motor that can be connected to various voltages : de en
  • US2287330A - Food cooking device : en
  • US2287141A - Liquid dirt solvent for eggs and process for applying same : en
  • US2287484A - Coating composition and use thereof : en
  • US2287690A - Marking and cutting machine : en
  • DE721938C - Process for the production of highly viscous standoel-like substances : de en
  • FR872859A - Production process for mechanically resistant and stainless parts at high temperatures : en fr
  • SE104814C1 - : en
  • US2287014A - Apparatus for treating vegetables with hot water and steam : en
  • US2287151A - Calculating machine : en
  • US2287557A - Apparatus for continuously drawing and winding glass fibers : en
  • AU172141A - Improvements in or relating to amplifying circuits for ultrashort waves : en
  • FR873044A - Carrier roller for belt conveyors : en fr
  • GR9911B - MEANS OF WASHING, CLEANING, WHITENING OR RINSE. : el en
  • CA405692A - Strand handling apparatus : en fr
  • CA405674A - Nickel alloy electrode : en fr
  • US2287078A - Railway traffic controlling apparatus : en
  • US2287052A - Aircraft passing and landing lamp : en
  • US2287371A - Heated toilet seat : en
  • US2287421A - Stabilization of halogenated compounds : en
  • US2287628A - Washing apparatus : en
  • USD132853S - Jafiesfiadison foster : en
  • AU115306B2 - Improvements in or relating to synchronous electrical control systems : en
  • CA405677A - Rubber manufacture : en fr
  • FR872883A - Device for monitoring or indicating the operating state of protective devices, more particularly circuit breakers in current distribution installations : en fr
  • US2287153A - Foundry facing : en
  • DE721894C - Relay for triggering switches in the zero crossing of the current curve : de en
  • GB545986A - Improvements in and relating to welding apparatus : en
  • US2287181A - Water heater : en
  • US2287525A - Fireball lighter : en
  • US2287453A - Wire connector : en
  • US2287028A - Manufacture of artificial spinnable material : en
  • CA405611A - Water cooled stoker : en fr
  • FR872921A - Composite iron manufacturing process : en fr
  • US2287275A - Trimming machine : en
  • US2287072A - Apparatus for plotting spot graphs : en
  • CA405683A - Fertilizer : en fr
  • DE721949C - Device for braking running tracks : de en
  • GB546094A - Improvements in or relating to television receiving systems : en
  • US2287721A - Buckle : en
  • FR872969A - Power outlet with mercury switch : en fr
  • US2287132A - Storage battery : en
  • DE721856C - Cast iron for bearings : de en
  • AU115326B2 - Improvements in pipe couplings : en
  • GB546008A - Improvements in joint washers : en
  • US2287612A - Illuminating device for airplane landing fields : en
  • CA405625A - Airplane landing apparatus : en fr
  • CA405598A - Metallurgical apparatus : en fr
  • DE721996C - Send button for telegraph systems : de en
  • US2287051A - aircraft passing and landing lamp : en
  • US2287355A - Fractionation of hydrocarbons : en
  • AU115314B2 - Improvements in charge supporting and discharging means for vertical coal carbonising retorts : en
  • CA405606A - Vibrating skip float : en fr
  • US2287090A - Traffic control system : en
  • US2287203A - Refrigerating apparatus : en
  • US2287677A - Testing instrument for toothed wheels : en
  • US2287654A - Copper plating : en
  • DE722016C - Spike wheel calculator : de en
  • CA405581A - Pulp waste liquor processing : en fr
  • GR9903B - METHOD AND APPLIANCE FOR THE DRY EXTINGUISHING OF THE COC IN THE CONTINUOUS DISTILLING OVEN. : el en
  • US2287075A - Vent valve : en
  • US2287137A - Method of and apparatus for eliminating impurities when separating gas mixtures : en
  • US2287458A - Spraying apparatus : en
  • US2287565A - Electric lighting fixture : en
  • USD132849S - Design for a radio cabinet : en
  • US2287497A - Stall warning indicator : en
  • US2287622A - Refigerator cabinet : en
  • US2287441A - Absorption refrigeration system : en
  • USD132872S - Air sterilizing lamp fixture or the like : en
  • US2287667A - Awning fastener : en
  • DE721951C - Adjusting device for rolling mills : de en
  • GB545980A - Improvements in fasteners for securing wires and the like : en
  • FR872855A - Fluid circulation hydraulic coupling or transmission with vibration damper : en fr
  • GB546045A - Improvements in and relating to holders for lamps and other electrical devices : en
  • US2287167A - Starter switch : en
  • US2287562A - Brake control : en
  • FR51408E - Process for the manufacture of flat products, tubes, bars and articles of other shapes of desired configuration, in polyamides : en fr
  • US2287020A - Shaver : en
  • DE721975C - Rotary valve control for internal combustion engines : de en
  • AU380441A - Improvements in or relating tothe production of patterned minutely-perforated rubber sheet : en
  • GB545974A - Improvements in or relating to multi-cylinder internal-combustion engines : en
  • US2287064A - Stable dry compositions useful as bleaching and oxidizing agents : en
  • US2287567A - Composition of matter and process of using the same : en
  • US2287653A - Floor covering tile : en
  • CA405657A - Wheel rim : en fr
  • GB546042A - Improvements relating to blinds for windows : en
  • US2287081A - Structural element : en
  • US2287531A - Article carrier : en
  • DE721902C - Ring roller mill : de en
  • FR51434E - Improvements to electromagnetic contactors : en fr
  • US2287335A - Protector for use in hair waving apparatus : en
  • US2287346A - Oil burner : en
  • CA405591A - Basic metal salt : en fr
  • FR872955A - Process for manufacturing sheet metal radiators formed by aligned elements and radiators constructed according to this process : en fr
  • GB546039A - Improvements in open hearth furnaces : en
  • CA405629A - Lamp exhausting machine : en fr
  • CA405589A - Grain stacking machine : en fr
  • CA405608A - Work handling mechanism : en fr
  • AU115303B2 - Flashlight lamp : en
  • US2287440A - Process of making pigment material : en
  • CA405647A - Hydraulic steering gear : en fr
  • CA405641A - Furnace electrode supporting structure : en fr
  • US2287027A - Method of and apparatus for determining the density of materials : en
  • US2287761A - Electrical cable connector : en
  • US2287273A - Tire tread gauge : en
  • US2287291A - Keyboard tape perforator : en
  • US2287122A - Process of producing endless foraminous sheet-metal bands : en
  • AU170941A - Improvements in or relating to electric switches for controlling number of magneto circuits : en
  • US2287719A - Arranging and feeding envelopes or bags for gumming the flaps : en
  • USD132841S - Design for a novelty pin : en
  • AU170841A - Improvements in or relating to sparking plugs : en
  • CA405646A - Cyano and thiocyano compound manufacture : en fr
  • US2287340A - Method of and means for testing well tubing : en
  • US2287390A - Score pad holder : en
  • AU175441A - Improvements in or relating tothe production of synthetic resinous compositions and of varnish compositions comprising thesame : en
  • US2287246A - Furnace wall burner : en
  • CA405706A - Hopper mechanism : en fr
  • USD132852S - Design for a projector : en
  • GB546046A - Self locking socket and similar type set screws : en
  • DE722051C - Circuit arrangement for telephone systems with main and sub-offices : de en
  • US2287638A - Baking pan : en
  • US2287188A - Stabilizing vinyl aromatic resins against light : en
  • US2287485A - Flashlight case and support : en
  • US2287222A - Foundation garment : en
  • USD132848S - Design for a pulley block : en
  • CA405614A - Spliced cable joint : en fr
  • AU173541A - Improvements in or relating to telecommunication exchange systems : en
  • US2287315A - Collapsible carriage and shackle mounting therefor : en
  • US2287486A - Process for removing silicic acid from water : en
  • US2287683A - Furification of phosphoric acid : en
  • US2287186A - Flow reversal in open hearth furnaces and the like : en
  • US2287281A - Refrigeration : en
  • US2287316A - Resilient mounting : en
  • CA405592A - Lead siccative : en fr
  • US2287419A - Shower cabinet : en
  • US2287699A - Stabilized dicalcium phosphate : en
  • US2287636A - Ball gun : en
  • GB545965A - Chromium recovery : en
  • AU115342B2 - Improvements in or relating to telecommunication exchange systems : en
  • FR873040A - Internal combustion engine with carburetor : en fr
  • US2287055A - Trailer : en
  • US2287118A - Treating hydrocarbons : en
  • US2287227A - Compound or alloy for coating welds : en
  • US2287454A - Key : en
  • US2287666A - Thread parting mechanism : en
  • FR872944A - square of fabric for scarf, scarf, turban and other trinkets and method of establishment : en fr
  • FR872970A - Drive wheel or the like, for toys, predominantly of non-metallic material, for mounting on shafts or circular axles : en fr
  • FR51447E - Process for solidifying soda ash and other pasty masses : en fr
  • DE721925C - Centrifugal mold for concrete beams : de en
  • FR51423E - Process for curing polymerizates and products obtained : en fr
  • US2287290A - Mobile unit : en
  • DE722000C - Luester clamp : de en
  • FR51406E - Method and device for supplying internal combustion engines with gaseous fuels : en fr
  • US2287125A - Oxidation of low molecular weight hydrocarbons in liquid phase and catalyst therefor : en
  • FR872913A - Gas engine with adjustment that varies the flow rate and composition of the intake mixture depending on the machine regulator : en fr
  • GB545982A - Improvements in circuits for operating electrical indicating devices : en
  • CA405670A - Metal skinning equipment : en fr
  • GB546108A - Improvements in or relating to clamps for square section shafts or the like : en
  • GB545978A - Improvements in or relating to straight-bar knitting machines : en
  • FR51428E - Improvements to aircraft piloting indicator devices on a guidance line : en fr
  • US2287469A - Industrial truck : en
  • US2287504A - Protective apparatus : en
  • CA405612A - Tuyere block : en fr
  • AU172341A - Improvements in or relating to mixing circuits and discharge tubes for use in sucha circuit : en
  • FR51422E - Tubular bodies of flexible metals or flexible non-deformable insulating materials for the construction of cables or electric lines, in particular for concentric high frequency cables : en fr
  • FR872953A - Internal combustion engine, in particular for motor vehicles : en fr
  • US2287117A - Winding spindle : en
  • FR872995A - Process for the recovery of carbon disulphide : en fr
  • FR51414E - Double articulation for controlling the steered wheels of motor vehicles : en fr
  • DE721915C - Device for electrocardiograph : de en
  • FR872890A - Process for producing clad metal blocks : en fr
  • GR9906B - METHOD FOR THE MANUFACTURE OF POROUS SOAP. : el en
  • FR872898A - Sugar cutter : en fr
  • US2287692A - Trolley wire support : en
  • FR873030A - shoulder pad for clothing and machine used in its manufacture as well as that of any stuffing object requiring shaping : en fr
  • FR51405E - Binder for charcoal chipboard : en fr
  • DE721931C - Process for the production of nitrogenous products from alkyleneimines : de en
  • FR872868A - Filtering system for distribution network protection : en fr
  • FR872983A - Method for mounting and removing pneumatic rims formed from at least three one-piece segments in cross section : en fr
  • FR873015A - Method and device for assembling or gluing wooden objects and other substances : en fr
  • FR51419E - Improvements in pressure variation speed indicator instruments, and in particular in aircraft climb and descent speed indicators : en fr
  • GB546050A - Process for improving the fastness to washing of dyed cellulosic textile materials : en
  • FR51424E - Device for automatic control of the movements of the pick-up arm in a talking machine, with automatic disc change : en fr
  • GB546044A - Improvements in or relating to claw feed mechanism for cinematograph and like perforated strips : en
  • US2287511A - Asphalt manufacture : en
  • GB546016A - Improvements in or relating to the manufacture of poppet valves : en
  • DK59897C - Shaker for Gas Generators. : da en
  • US2287295A - Heater for thermal relays : en
  • US2287009A - Hub construction : en
  • US2287231A - Paste spreader : en
  • US2287059A - Apparatus for obtaining soil samples : en
  • USD132865S - Design for a sound reproducer or the like : en
  • USD132866S - Embroidered textile fabric oh like article : en
  • US2287333A - Valve : en
  • USD132870S - Design for a black-out unit fob taillight lens : en
  • US2287150A - Float valve : en
  • FR51431E - Compounding of groups for grid-controlled rectifiers : en fr
  • GB546035A - Improvements in or relating to optical objectives : en
  • GB546074A - A match splitting or dividing device : en
  • GB546080A - Improvement in operating means for the indexing mechanism of turrets for lathes and other machine tools : en
  • US2287035A - Solderless connector : en
  • US2287700A - Rubber composition : en
  • DE721904C - Impeller for swiveling aircraft landing gear : de en
  • US2287362A - Slider : en
  • US2287368A - Yarn holder : en
  • AU115300B2 - Improvements in and relating to electrical communication systems : en
  • DE722005C - Arrangement to reduce the influence of mains voltage fluctuations on the voltage supplied by a rectifier and at the same time to achieve a certain characteristic that deviates from the natural voltage current characteristic of the rectifier arrangement : de en
  • US2287395A - Self-anchoring device : en
  • US2287250A - Circuit breaker : en
  • US2287724A - Antiseptic : en
  • FR872922A - Process for lining with bearing metal, etc., cylindrical sleeves or sleeves or long tubes : en fr
  • FR872943A - Modulation accumulator device : en fr
  • DE721918C - Method for measuring the impressions on metallic materials during hardness testing after the penetration method : de en
  • DE721937C - Incandescent cathode for electrical discharge vessels, such as light tubes, rectifiers, transmission tubes and amplifier tubes : de en
  • US2287136A - Manufacture of sheet glass : en
  • US2287694A - Ash receiver : en
  • DE722014C - Table or roller for winding up yarns in order to determine the spinning errors caused by the rollers : de en
  • DE721939C - Apparatus for the manufacture of knitted goods : de en
  • GB546073A - Improvements in or relating to electric couplings : en
  • US2287451A - Article of jewelry : en
  • GB546101A - Improvements in or relating to sliding clasp fasteners and the manufacture thereof : en
  • DE721984C - Electric tool for screwing : de en
  • DE721903C - Device for controlling hydraulic presses : de en
  • DE721922C - Device for focusing interchangeable photographic and cinematographic lenses : de en
  • US2287112A - Magnetic clamp : en
  • FR872981A - Process for the production of titaniferous enamels : en fr
  • DE721899C - Generating gears for machines for grinding or polishing of wheels with involute teeth : de en
  • DE721901C - Ring roller mill : de en
  • DE722008C - Process for the production of the separately arranged guide tracks for braiding and Kloeppelmaschinen with supported Kloeppeln : de en
  • US2287175A - Lock : en
  • FR51436E - Method and device for cutting and regulating electric currents : en fr
  • DE721905C - Process to achieve the most uniform quenching effect possible in the edge and core when quenching steals of thicker cross-section : de en
  • DE721880C - Workbench drawer : de en
  • SE104804C1 - : en
  • US2287656A - Ironing machine stripper : en
  • US2287491A - Aircraft landing gear : en
  • CA405713A - Military entanglement : en fr
  • US2287308A - Interlocking buckle : en
  • USD132857S - Design for a sliceb : en
  • US2287347A - Electric scissors : en
  • US2287416A - Production of improved pigments : en
  • US2287046A - Lathe drive mechanism : en
  • US2287387A - Vending machine : en
  • FR873011A - Copper phosphide manufacturing process : en fr
  • US2287216A - Dispenser : en
  • DE721916C - Process for the production of molding compounds from urea or its derivatives and solid polymeric aldehydes : de en
  • US2287420A - Paper sheet dispensing carton : en
  • FR51415E - Improvements to the bases of lamps or similar devices : en fr
  • US2287708A - Strand handling apparatus : en
  • US2287197A - Method of constructing horizontal cylindrical tanks : en
  • US2287726A - Automatic phonograph : en
  • FR872972A - Process for raising the calorific power of coke gas to a power determined in advance by gasifying the coke in compositions of oxygen and inert gases and mixing the gas obtained with other gases : en fr
  • US2287208A - Electric stop motion controller for knitting machines : en
  • FR872882A - Refrigeration machine : en fr
  • FR872923A - Device for mounting the spacers to be mounted in front of the optics of stereoscopic cameras : en fr
  • US2287266A - Ballistic game apparatus : en
  • US2287461A - Temperature control unit : en
  • GB546024A - Improvements in or relating to electric resistance heating units : en
  • US2287233A - Nut holder : en
  • DE722060C - Cardanic suspended top : de en
  • GB545979A - Improved mounting device for cameras and the like : en
  • FR872875A - Container for transporting fish : en fr
  • FR872888A - Portable starting device for internal combustion engines : en fr
  • FR873001A - Device for measuring the voltage of power transformers : en fr
  • DE721952C - Float valve for compression refrigeration machines : de en
  • DK59906C - Safety and Dilution valve, especially for Central heating systems. : da en
  • US2287073A - Method for producing chromiumbearing alloys : en
  • US2287190A - Antipicking device : en
  • US2287731A - Combined bottle lifter and carrier : en
  • FR872984A - Deformable chassis for vehicles : en fr
  • GB545996A - Process for the preparation of dyestuffs of the anthraquinone series : en
  • US2287317A - Blade-sharpening and honing device : en
  • US2287640A - Shiftable film-holder for cameras : en
  • DE721878C - Short apron stretching system : de en
  • CA405708A - Cellulose containing substance recovery : en fr
  • US2287251A - Manufacture of nonporous metal articles : en
  • US2287399A - Internal combustion engine : en
  • US2287016A - Can closing machine : en
  • US2287698A - Solid comminuted soap : en
  • US2287689A - Tie-plate punch : en
  • DE721955C - Circuit arrangement for equalizing transmitters in telex switching systems : de en
  • DE721934C - Compensating wire screw for bare cables of power distribution networks laid in insulating tubes : de en
  • DE721978C - Process for treating the wood for building musical instruments : de en
  • US2287619A - Device for the production of slow neutrons : en
  • US2287140A - Sheet feeding apparatus : en
  • US2287695A - Weighing scale : en
  • US2287502A - Electrical distribution system : en
  • USD132844S - Design fob an angle dresser for abrading elements : en
  • US2287407A - Fuel pump : en
  • AU170741A - Improvements in or relating to electrical apparatus for measuring relative acceleration : en
  • US2287285A - Preparation of potassium thiocarbonate : en
  • US2287634A - Locking pin : en
  • USD132860S - Combined hearing aid amplifier and battery casing : en
  • AU115317B2 - Improved rivetting gun : en
  • US2287711A - Poultry holding and beheading device : en
  • GB546093A - An improved massaging device : en
  • GB546110A - Improvements in measuring pumps : en
  • US2287039A - Electric circuit breaker : en
  • US2287672A - Conversion of hydrocarbons : en
  • USD132855S - Design foe, a memorial geave marker : en
  • US2287058A - Dental apparatus : en
  • US2287378A - Flight conveyer : en
  • US2287662A - Railway braking apparatus : en
  • US2287707A - Piston ring assembly : en
  • FR872872A - Extendable crank : en fr
  • IT395998B - : it
  • FR872876A - Method for immobilization of electrolytes : en fr
  • US2287057A - Steam production system : en
  • FR872973A - Steam generator with deflector wall forming a screen for the contact heating surface : en fr
  • FR51438E - Process for the preparation of follicular hormone hydrogenation products : en fr
  • DE722011C - Trolley for agricultural grab lifts : de en
  • GB546020A - Improvements in and relating to the manufacture of steel : en
  • US2287740A - Tray for heat treating furnaces : en
  • US2287357A - Lubrication of conveyer rollers : en
  • US2287645A - Cover operating mechanism for soaking pit furnaces : en
  • US2287627A - Diaphragm pump : en
  • CA405698A - Pipe clamp : en fr
  • US2287069A - Stud remover : en
  • USD132846S - Design for a wall cabinet : en
  • AU219741A - Improvement in video-frequency signal-translating system for television receivers : en
  • CA405593A - Multiple vertical boiler : en fr
  • AU115334B2 - Improvements in or relating to electrical apparatus for measuring relative acceleration : en
  • DE721995C - Device for refueling pressurized liquefied gases : de en
  • US2287639A - Lubricant composition comprising organic sulphonamides : en
  • US2287074A - Attachment for screw machines : en
  • US2287257A - Antenna drag cup : en
  • US2287375A - Combined hay rake and stacker : en
  • CA405616A - Polycarboxylic acid : en fr
  • CA405655A - Wheel rim : en fr
  • US2287345A - Optical projection device : en
  • GB545968A - An improved machine for spraying crops : en
  • US2287149A - Book cover : en
  • US2287165A - Locomotive crosshead : en
  • US2287356A - Lining machine : en
  • US2287722A - Buckle : en
  • US2287678A - Identification device : en
  • FR872992A - Kiln for drying, carbonizing or distilling materials of all kinds and in particular wood : en fr
  • US2287124A - Process of dyeing : en
  • US2287710A - Latch : en
  • US2287478A - Fuel pump for engines : en
  • CA405705A - Resuscitator : en fr
  • US2287526A - Oil filter : en
  • US2287540A - Surface welding : en
  • FR873041A - Mounting for polarized relay : en fr
  • US2287047A - Control of endothermic and exothermic reactions : en
  • US2287223A - Vibrating apparatus control : en
  • CA405656A - Wheel rim : en fr
  • US2287045A - Control apparatus : en
  • US2287550A - Radio signaling : en
  • DE721992C - Seal for the shafts of the shut-off devices or regulators on steam locomotives : de en
  • GB546037A - Improvements relating to phosphoric acid catalysts : en
  • US2287757A - Vehicle diaphragm : en
  • US2287142A - Pipe coupling : en
  • US2287534A - Vacuum breaker : en
  • US2287626A - Combination desk and dining table : en
  • US2287629A - Air cleaner : en
  • AU134841A - Improvements in or relating to calculating equipment : en
  • US2287309A - Combined oven rack and drip catcher : en
  • DE722050C - Circuit arrangement for telephone systems with main and sub-offices : de en
  • US2287489A - Apparatus for producing insulating conductors : en
  • USD132840S - Design for a novelty pin : en
  • AU175541A - Improvements in or relating tothe manufacture of non-detonating fuzes for blasting and similar purposes : en
  • US2287172A - Method of and apparatus for refrigeration and air conditioning : en
  • US2287351A - Resinous product and method of manufacture thereof : en
  • DE721846C - Process for the regeneration of the leaches from the desilvering of silver or silver compounds : de en
  • US2287093A - Match : en
  • US2287614A - Portable folding chair : en
  • GR9904B - OVEN SPECIAL FOR THE DISTILLATION OF ASPHALT ROCKS AND PITS. : el en
  • US2287305A - Separator for electric accumulators : en
  • US2287243A - Electrical shielding apparatus : en
  • CA405631A - Pyroligneous liquor processing : en fr
  • US2287255A - Ice making apparatus : en
  • US2287432A - Pipe holding slip : en
  • CA405635A - Plastic sheet forming process : en fr
  • USD132847S - Foster or similar article : en
  • US2287632A - Multifocal lens : en
  • GB546051A - Improvements in and relating to the production of thread from viscose : en
  • GR9910B - COLOR MOVIE FOR A COMPUTER MACHINE OR SIMILAR. : el en
  • FR873037A - Headlamp, in particular for vehicles, with fixing device located at the top of the casing or reflector : en fr
  • GB546040A - Improvements in and relating to electric lamp holders : en
  • CA405610A - Vegetation destroying material : en fr
  • CA405694A - Radio reception system : en fr
  • US2287323A - Fastener : en
  • US2287324A - Slide fastener manufacture : en
  • US2287021A - Fuel supply system : en
  • US2287248A - Burner control system : en
  • US2287314A - Running gear for collapsible carriages : en
  • US2287376A - Humidifier : en
  • US2287548A - Valve controlling apparatus : en
  • US2287267A - Heat exchanger : en
  • FR51426E - Improved drinker : en fr
  • CA405637A - Metallic strip feeding device : en fr
  • US2287517A - Yarn processing apparatus : en
  • CA405587A - Shoe sole trimming machine : en fr
  • CA405595A - Lock cap for tanks : en fr
  • US2287185A - Toy typewriter : en
  • US2287237A - Humidifier and control for incubators : en
  • US2287341A - Body-weight-distributing construction for shoes and the like : en
  • US2287519A - Multiple warp ladder web : en
  • DE721979C - Empty container conveyor for automatic firearms arranged in aircraft wings : de en
  • AU238141A - Improvements in pneumatic pressure heads : en
  • DE721893C - Receiving circuit with two resonant circuits with feedback : de en
  • DE721911C - Method and device for enclosing easily oxidizable metals in metal tubes : de en
  • DE721954C - Storage of supercooled gases liquefied at low temperatures : de en
  • CA405634A - Electron discharge device : en fr
  • FR872887A - New Azo Dyes and Their Intermediate Products : en fr
  • FR872915A - Process and device for printing fabrics of all kinds : en fr
  • GB546062A - Intertube intermediate-frequency coupling systems for modulated carrier-signal receivers : en
  • DE722015C - Azimuth gyro : de en
  • AU172441A - Improvements in or relating to devices comprising an electric gas-discharge tube : en
  • FR872865A - Hand-held compressor device for unblocking sinks and other applications : en fr
  • US2287076A - Gas port coupling : en
  • US2287691A - Method of making self-locking nuts : en
  • US2287411A - Adhesive : en
  • US2287092A - Synthesis of hydrocarbons : en
  • DE721889C - Fast running diesel engine with medium cylinder diameter and central injection : de en
  • US2287241A - Indicator : en
  • US2287468A - Lens mount : en
  • FR51450E - Lubricating device for internal combustion engines : en fr
  • DE721924C - Circuit device for film projectors : de en
  • AU119660B2 - Improvements in or relating to air or gas compressors : en
  • CA405602A - Wood treating apparatus : en fr
  • CA405642A - Rubber sheeting perforating apparatus : en fr
  • FR872938A - Elastic metal wheel : en fr
  • GB546103A - Improved buckle for straps and the like : en
  • USD132858S - Stem base for an electron tube or similar article : en
  • DE721944C - Tool handle for striking tools : de en
  • US2287641A - Fishing rod support : en
  • AU200741A - Improved ventilating cowl : en
  • FR872980A - Device for measuring exposure time in photography : en fr
  • US2287679A - Dial clock : en
  • AU115345B2 - Improvements in or relating to calculating equipment : en
  • GB546064A - Improvements relating to electric lighting fittings : en
  • GB546088A - Process and apparatus for treating solids in gases : en
  • GR9908B - APPARATUS FOR ARSIN VARIOUS ASSEMBLY (PATTELIFFERENZEN). : el en
  • US2287647A - Manufacture of intermediates for dyestuffs : en
  • US2287747A - Apparatus for separating solids of different gravities : en
  • DE721932C - Water tube ship boiler : de en
  • US2287600A - Deaerator and feed heater : en
  • GB546081A - Improvements in control systems : en
  • US2287483A - Mud pump piston : en
  • US2287500A - Sanitary beer comb and cocktail mixer receptacle : en
  • FR51401E - Improvements to gas masks : en fr
  • FR872933A - On / off switch or contactor : en fr
  • FR872871A - Improvements in rotary kilns for the magnetizing treatment of iron sesquioxide : en fr
  • GB545999A - Improvements in or relating to electrical measuring apparatus : en
  • US2287751A - Interlock for elevator doors : en
  • US2287510A - Cyanoethylated arylaliphatic : en
  • US2287088A - Process for producing magnesium alcoholates : en
  • DE721896C - Device for measuring flowing gas quantities : de en
  • US2287439A - Machine for cleaning fringes on domestic carpets and oriental rugs : en
  • US2287512A - Glass pressing apparatus : en
  • FR872873A - Variable pitch propeller automatic adjustment system : en fr
  • US2287239A - Brake : en
  • US2287369A - Pump : en
  • US2287418A - Display device : en
  • DE721948C - Device for transferring roasted flax stalks from a washing and squeezing machine onto the conveyor belt of a dryer : de en
  • CA405584A - Snowmobile : en fr
  • FR872895A - Feeding device for spraying material in the form of wires or metal bars for guns : en fr
  • AU115344B2 - Improvements in or relating tothe manufacture of non-detonating fuzes for blasting and similar purposes : en
  • US2287023A - Brake : en
  • US2287211A - Floating tank roof : en
  • DE722003C - Arrangement to reduce the influence of mains voltage fluctuations on the voltage supplied by a rectifier and at the same time to achieve a certain characteristic that deviates from the natural voltage current characteristic of the rectifier arrangement : de en
  • US2287402A - Core for immersion heaters : en
  • FR872937A - Fluids for hydraulic transmissions : en fr
  • US2287096A - Group continuous electric outlet : en
  • GB546104A - Process and apparatus for reducing divided material such as ores containing solid oxides with reducing gas : en
  • US2287431A - Severance structure for manifolding stationery : en
  • US2287549A - Razor blade : en
  • US2287604A - Walking beam : en
  • US2287496A - Hydraulic coupling : en
  • US2287578A - Electric circuit breaker : en
  • FR872919A - Process for the manufacture of cycle frames : en fr
  • US2287195A - Locomotive cab window : en
  • FR51444E - Electric discharge lamp : en fr
  • DE722024C - Method and device for the treatment of bodies with elongated cross-sections in an alternating electric field : de en
  • US2287709A - Hydraulic well pumping mechanism : en
  • US2287716A - Fluid device : en
  • USD132845S - Design fob a brooch : en
  • US2287025A - Vehicle diaphragm : en
  • US2287213A - Floating roof for liquid storage apparatus : en
  • DE721883C - Process for the production of formaldehyde and other oxidation products from hydrocarbons of the paraffin series with more than one carbon atom in the molecule : de en
  • DE722001C - Connection clamp for overhead lines, especially for aluminum lines : de en
  • AU115341B2 - Radio receivers : en
  • FR51443E - Circuit breaker : en fr
  • CA405649A - Refrigerating apparatus : en fr
  • DE722013C - Optical workshop measuring and testing device : de en
  • US2287031A - Apparatus for the continuous aftertreatment of threads : en
  • US2287456A - Sealing means : en
  • DE721930C - Process for the production of 8,9-Dioxypyrimidinopyrazinen (8,9-Dioxyazinpurinen, Leukopterin and its Abkoemmlingen) : de en
  • US2287037A - Variable ratio brake lever : en
  • US2287741A - Window structure : en
  • GB545981A - Improvements in or relating to shuttles for looms : en
  • CA405676A - Insulated conductor : en fr
  • US2287442A - Rotary type can opener : en
  • US2287206A - Multiple cone dispenser : en
  • GB546091A - Improvements in mounting arrangements for shock-absorbers and like resilient means : en
  • GB546105A - Improvements relating to permanent shuttering units for use in building construction : en
  • FR872881A - Improvements to instruments used by dentists : en fr
  • FR872904A - Process for the preparation of a short germination malt : en fr
  • DK59910C - Paddle rotor. : da en
  • GB545983A - Improvements in and relating to electric valve converting apparatus : en
  • DE722017C - Device for lubricating the secondary connecting rod bearings in aircraft engines, especially radial engines : de en
  • US2287160A - Electrical communication : en
  • GB545973A - Improvements relating to spark ignition apparatus for internal combustion engines : en
  • US2287272A - Clutch and transmission operating mechanism : en
  • US2287764A - Microscope and illuminated stand therefor : en
  • FR873013A - Electrical device for obtaining mechanical movements, more especially for electromagnetically controlled striking tools : en fr
  • GB546095A - Apparatus for measuring the quality and quantity of x-radiation : en
  • GB546098A - Improvements in or relating to oxygen jet cutting machines : en
  • FR873027A - Device for damping noise in pipes : en fr
  • FR51404E - New azo dyes : en fr
  • USD132861S - Design for a badge : en
  • FR872947A - Advanced nib, especially for stylographs : en fr
  • FR51412E - Motorcycle engine : en fr
  • FR873048A - Automatic level regulator : en fr
  • US2287373A - Sadiron rest : en
  • US2287521A - Key case : en
  • US2287367A - Sugar beet machine : en
  • USD132869S - Design for a fluorescent luminaire : en
  • DE722012C - Arrangement for the processing of clad metal waste by electrolytic anodic treatment : de en
  • DE721927C - Bump bench for stretching pre-punched, cup-shaped blanks in one stroke to at least ten times the length : de en
  • GB546070A - An improved combined sighting device and gradient inclinometer : en
  • GB545972A - Improvements in and relating to pipe joints : en
  • US2287529A - Reed of cane, plastic, or any other material for clarinets, saxophones, and like musical instruments : en
  • US2287663A - Metal production : en
  • US2287320A - Vulcanizing implement : en
  • US2287388A - Container closure : en
  • US2287444A - Process for obtaining clear extracts from semiliquid mixtures : en
  • FR872945A - Frequency multiplier device : en fr
  • FR51432E - Device for adjusting and controlling lines for cash registers, accounting machines and other similar machines : en fr
  • US2287593A - Carburetor : en
  • GB545976A - Improvements relating to time setting of plaster of paris : en
  • DE721942C - microscope : de en
  • GB545966A - Improvements in mountings for dynamo-electric machines : en
  • US2287094A - Muffle furnace : en
  • US2287702A - Fuel injection device : en
  • US2287686A - Shaving or hair clipping apparatus : en
  • DE721923C - Photo recording device with toggle fastener and separate actuators for film advance, shutter cocks and shutter release : de en
  • US2287546A - Process of manufacturing glasscoated plastic material : en
  • DE721967C - Low-voltage high-performance fuse with contact plug-in elements : de en
  • CA405691A - Water softening process : en fr
  • US2287214A - Means for making articles having a polygonal cross section or the like : en
  • US2287587A - Light modulating apparatus : en
  • US2287128A - Process for purifying fatty acids : en
  • FR51429E - Process for producing a stocking in a single operation on the straight picking loom : en fr
  • US2287556A - Translucent screen : en
  • US2287748A - Apparatus for separating solids of different gravities : en
  • DE721920C - Gas fusion or arc welding wire for connecting steel parts : de en
  • DE722025C - Device for preserving liquids : de en
  • FR872986A - Double twist twist spindle : en fr
  • FR51409E - Powdered refractory cements and refractory products derived therefrom : en fr
  • FR872991A - Air-cooled internal combustion engine : en fr
  • CA405654A - Wall assembly : en fr
  • FR872976A - Improvements to composite glasses and new glasses obtained by applying these improvements : en fr
  • FR872857A - Method and devices for the construction and assembly of lathes or similar machine tools : en fr
  • DE721959C - Circuit arrangement for reducing the crosstalk arising from a harmonic of odd order within a negative feedback amplifier : de en
  • GB546072A - Improvements in and relating to voltage regulators : en
  • US2287649A - Process for the production of zein : en
  • US2287584A - Coffee maker : en
  • US2287164A - Electric signaling system : en
  • US2287189A - Stable compositions containing vinylidene chloride polymeric products : en
  • US2287036A - Suction governor : en
  • US2287396A - Fat leveling system : en
  • US2287207A - Seal : en
  • US2287282A - Method of making flat articles having grooved surfaces : en
  • US2287200A - Braiding machine : en
  • US2287218A - Antifouling composition : en
  • AU115336B2 - Improvements in or relating to electric switches for controlling number of magneto circuits : en
  • CA405582A - Rock drill : en fr
  • CA405613A - Ophthalmic mounting : en fr
  • US2287044A - Radio relaying system : en
  • US2287299A - Dynamometer : en
  • CA405703A - Warp let-off motion : en fr
  • CA405685A - Glycerine recovery : en fr
  • AU201241A - Improvements in or relating to synchronous electrical control systems : en
  • US2287296A - Disturbance supperssion in radio receivers : en
  • US2287260A - Surgical instrument : en
  • US2287334A - Elimination of undesired electrical signals : en
  • AU423240A - An improved decarbonizing compound : en
  • FR873047A - Resonant system for very short waves : en fr
  • US2287462A - Blower unit for oil burners : en
  • US2287365A - Phonograph record album : en
  • US2287134A - Shielded ignition manifold system : en
  • AU115328B2 - Improved ventilating cowl : en
  • CA405663A - Electric heating apparatus : en fr
  • US2287336A - Spring structure for cushions : en
  • US2287630A - Clutch : en
  • US2287105A - Electronic organ : en
  • US2287174A - Relative phase measuring circuit and method : en
  • DE721998C - Telegraph system with synchronously rotating distributors : de en
  • CA405630A - Electric transformer : en fr
  • US2287280A - Detection arrangement and negative impedance for same : en
  • AU115327B2 - Improvements in or relating to devices comprising an electric gas-discharge tube : en
  • US2287742A - Photographic apparatus : en
  • US2287754A - Power amplifier : en
  • US2287292A - Coin control mechanism : en
  • AU115309B2 - Improvement in video-frequency signal-translating system for television receivers : en
  • CA405601A - Motor driven ice skate : en fr
  • CA405633A - Radio receiver : en fr
  • US2287017A - Plow : en
  • US2287605A - Indicating device : en
  • CA405696A - Coated abrasive : en fr
  • US2287379A - Two-row topper : en
  • US2287598A - Method of manufacturing lightpolarizing bodies : en
  • US2287120A - Tie stitching machine : en
  • US2287300A - Clinker cooler : en
  • GB546099A - An improved method and apparatus for welding : en
  • GR9899B - DEVICE FOR EXTRACTION (UBERLEITEN) OF CASTING MATERIAL, SAME LIGHT METAL. : el en
  • CA405682A - Fishing tool for wells : en fr
  • US2287762A - Current transformer terminal connector : en
  • US2287230A - Cutting and loading machine : en
  • US2287393A - Phonographic device : en
  • DE722028C - Dosing and refilling machine : de en
  • DK59892C - Method and Plant for the Continuous Production of Aliphatic Ether. : da en
  • US2287139A - Material for making rubber articles : en
  • US2287538A - Process for the production of densely sintered ceramic masses : en
  • US2287400A - Car construction : en
  • CA405651A - Building partition : en fr
  • US2287460A - Insulated heater and method of manufacture : en
  • US2287048A - Tabernacle safe : en
  • US2287487A - Box for razor blades : en
  • US2287602A - Vacuum sweeper for automobiles : en
  • US2287673A - Driving means for motors, engines, pumps, and the like : en
  • AU170041A - Improvements in pipe couplings : en
  • CA405603A - Printing type : en fr
  • FR872885A - Internal combustion engine with two rows of v-cylinders : en fr
  • US2287490A - Battery terminal : en
  • US2287352A - Resin manufacture : en
  • US2287463A - Electrical recording device : en
  • US2287577A - Adjustable support : en
  • US2287274A - Process of separating lead and zinc sulphides : en
  • US2287697A - Valve seat grinder : en
  • US2287609A - Manifold for internal combustion engines : en
  • US2287670A - Oil filter : en
  • US2287168A - Punch : en
  • US2287595A - Apparatus for controlling air flow : en
  • GB546002A - Mounting for electric motors for driving sewing machines : en
  • US2287062A - Fingernail guard : en
  • US2287163A - Seal and joint for deep-sea cables : en
  • US2287480A - Lace attachment for flat knitting machines : en
  • US2287449A - Wheel speed control : en
  • US2287080A - Spreader : en
  • US2287083A - Mold for use in manufacturing cigars : en
  • US2287252A - Attachment for skis : en
  • US2287467A - Process of producing silicon steel : en
  • FR873006A - Process for the manufacture of fine powders from melts by means of gases or vapors with the use of spray nozzles : en fr
  • FR873024A - Automatic centering and wear compensation device for brake linings for all systems : en fr
  • DE721936C - Overvoltage protection device : de en
  • CA405586A - Saw shaper : en fr
  • US2287547A - Parking meter : en
  • FR872929A - Device applicable to self-baking electrodes : en fr
  • GB545975A - Improvements in or relating to drive-transmitting magnetic couplings : en
  • IE18296L - Manufacture of fibrous cement sheets : en
  • FR872975A - Process for preparing a cellulose capable of being transformed directly into viscose : en fr
  • US2287599A - Production of dextrine from starch : en
  • GB546092A - Improved means for manufacturing fibre board and other like sheet material or rubbersheeting from pulp or rubber latex : en
  • US2287071A - Organic amine derivatives and method of obtaining same : en
  • FR872854A - Metal filament heat lamps : en fr
  • US2287084A - Apparatus for testing motorcycles : en
  • US2287652A - Spark arrester : en
  • US2287745A - Motor control system : en
  • GB546069A - Improvements in high frequency tuned circuits : en
  • US2287182A - Rocker arm shaft bracket : en
  • US2287474A - Vacuum cleaner : en
  • GB546056A - Improvements in or relating to openwork receptacles for supporting ice cream in cartons during freezing : en
  • DE722004C - Arrangement to reduce the influence of mains voltage fluctuations on the voltage supplied by a rectifier and at the same time to achieve a certain characteristic that deviates from the natural voltage current characteristic of the rectifier arrangement : de en
  • US2287569A - Electric warming pad : en
  • DE721885C - Process for the production of bare : de en
  • FR872985A - Process for the preparation of oxy-aldehydes of the cyclopentanopolyhydrophenanthrene series or of their salt ethers : en fr
  • GB545969A - Improvements in or relating to loose insoles for boots, shoes and like articles of footwear : en
  • GR9894B - LOCK FOR DOOR OF CABINETS AND SIMILAR. : el en
  • US2287374A - Hydraulic torque converter : en
  • FR872866A - Method and apparatus for measuring arterial pressure without effusion of blood : en fr
  • FR872906A - Articulated desk for reading in the lying position : en fr
  • GB546010A - Improvements in or relating to holders for lantern slides : en
  • FR873031A - Method for the remote control of work operations in which the selection of an operation is conditioned by two alternating currents of different frequency arising simultaneously : en fr
  • CA405661A - Alloy for making castings : en fr
  • AU115304B2 - Improvements in or relating to miniature pianos : en
  • DE722002C - Spring-loaded, current-carrying connection for aluminum wires on electrical machines and devices : de en
  • FR872939A - Wooden sole in interchangeable parts : en fr
  • GB546068A - Improvements relating to spirit levels : en
  • US2287329A - Hand protecting grip : en
  • US2287077A - Volume range control in signal transmission systems : en
  • DE721836C - Process for the production of a draftable sliver from continuous thermoplastic synthetic fibers : de en
  • DE721935C - Relay-free automatic voltage regulator : de en
  • US2287126A - Lawn mower : en
  • US2287269A - Mechanism for imparting rectilinear reciprocating movement to members such as vehicle windows : en
  • US2287325A - Internal combustion engine : en
  • US2287687A - Loom harness : en
  • FR873049A - Improvements to the assembly processes of metal tubes and to these tubes themselves : en fr
  • AU115312B2 - Improvements in belt fasteners : en
  • US2287268A - Psychrometrically controlled air cooling system : en
  • USD132843S - Angle dresser for abrading elements : en
  • US2287493A - Collapsible safety razor : en
  • DE1520165U - clamp hook for curtain cord : de en
  • US2287228A - Printing frame : en
  • US2287271A - Process camera : en
  • US2287024A - Apparatus for coating fluorescent lamp tubing : en
  • US2287278A - Meat slitting machine : en
  • FR872948A - TV transmitter and receiver : en fr
  • FR873046A - Process for the production of protective layers on magnesium and on magnesium alloys : en fr
  • CA405665A - Trim panel manufacture : en fr
  • FR872931A - Degree switch device for tap transformers : en fr
  • FR872928A - Felling hammer for blasting coal and similar minerals : en fr
  • GB546038A - Improvements in or relating to propulsion of aircraft : en
  • GB545977A - An improved method and apparatus for producing laminated shims : en
  • FR873033A - Aircraft dashboard : en fr
  • GB546012A - Electric motor casing : en
  • DE721962C - Non-slip screw clamp for electrical lines : de en
  • CA405650A - Moulding machine torpedo with guide fins : en fr
  • US2287070A - Mechanical toy : en
  • US2287408A - Modulating and compensating apparatus : en
  • US2287492A - Refrigerating system : en
  • USD132868S - Design for a candlestick holder : en
  • US2287427A - System of water purification and waste disposal : en
  • CA405660A - Electric contact combination : en fr
  • AU115333B2 - Manufacture of acid-curd cheese : en
  • CA405664A - Upholstery fabric : en fr
  • US2287170A - Inductance device : en
  • US2287087A - Apparatus and method for solidification of materials : en
  • US2287199A - Automatic stopping device for automotive vehicles : en
  • AU170141A - Improvements in method and apparatus for reducing ores and effecting other chemical reactions : en
  • US2287554A - Speedometer : en
  • US2287097A - Micrometer gauge for internal threads : en
  • US2287412A - Silencer : en
  • US2287430A - Calculator : en
  • GB546097A - Improvements in stair rods : en
  • US2287114A - Galvanic cell and method of making same : en
  • US2287115A - Process of concentrating ores : en
  • FR873014A - Manufacturing process for cements rich in iron : en fr
  • US2287674A - Automobile heater control apparatus : en
  • US2287265A - Saw filing machine : en
  • US2287637A - Internal combustion engine : en
  • US2287459A - Means for regulating variable conditions : en
  • DE722031C - Procedure for swimming pool treatment : de en
  • US2287737A - Treatment of wheat and kindred cereals : en
  • DE722036C - Circuit for suppressing the image frequency above the oscillator frequency in overlay receivers : de en
  • CA405711A - Catalytic polymerization of olefines : en fr
  • FR872860A - Advanced clamping for dentists' handpieces : en fr
  • FR872886A - Method of wrapping insulating tapes around electrical conductors : en fr
  • US2287301A - Brake control mechanism : en
  • US2287523A - Process for preparing formyl diamines : en
  • AU223041A - Television synchronizing system : en
  • FR51420E - Band-dispersion radio receiver : en fr
  • FR872926A - Method and device for sifting or draining : en fr
  • GB546096A - Improved lock, particularly for preventing the theft of cycles or the like : en
  • DE721882C - Process for the production of monochloromethyl compounds of araliphatic hydrocarbons : de en
  • US2287568A - Method of producing motion picture film illustrating surgical technique : en
  • US2287152A - Power shovel : en
  • FR873009A - Gear pump for delivering the molten masses of artificial organic materials : en fr
  • FR873035A - 4 person checkered game device : en fr
  • DK59900C - PROCEDURE FOR DETERMINING THE QUANTITY CONTAINED IN A WATERY MIXTURE CONTAINED IN WATER INDEPENDENT, BUT VOLATILABLE SUBSTANCES IN NON-Aqueous AID. : da en
  • FR872974A - Hot water boiler : en fr
  • GB545995A - Taps and cocks for controlling fluids : en
  • GB546011A - Improvements in receivers for frequency or phase modulation : en
  • FR872897A - Method for preventing oxide formation in the processing of liquid zinc amalgam : en fr
  • GB546057A - Improvements in chemical closets : en
  • FR872910A - Process for making multi-layered safety glass : en fr
  • GB546109A - Improvements in or relating to gas or other cookers : en
  • US2287177A - Temperature responsive device : en
  • US2287734A - Mattress : en
  • US2287277A - Method of forming and injecting thermoplastic materials : en
  • US2287655A - Transmitting apparatus for communication systems : en
  • CA405662A - Protective lens : en fr
  • US2287276A - Locking devices for tubular lamps : en
  • US2287397A - Double suction liquid pump : en
  • US2287720A - Gluing or gumming articles : en
  • US2287727A - Automatic phonograph : en
  • US2287286A - Magnetic chuck : en
  • GR9896B - IRON OXIDE PRODUCTION. : el en
  • FR51437E - High-value structural steel for heavy construction : en fr
  • US2287343A - Method of securing devices to shafts : en
  • US2287019A - Taillight for poles or the like : en
  • US2287121A - Machinery for making containers : en
  • US2287215A - Ventilating system : en
  • US2287327A - Toothbrush : en
  • AU115343B2 - Improvements in or relating tothe production of synthetic resinous compositions and of varnish compositions comprising thesame : en
  • CA405658A - Internally expanding brake : en fr
  • DE721999C - Cable connector : de en
  • GB546026A - Improvements in or relating to the manufacture of water-soluble salts of water-insoluble cellulose hydroxy fatty acid ethers, and of the corresponding cellulose hydroxy fatty acid ethers : en
  • US2287608A - Joint assembly : en
  • GB545987A - Reinforced plastic materials : en
  • AU170341A - An improved pressure reduction valve for use with water heating systems andin other similar circumstances : en
  • US2287104A - Gun locking mechanism : en
  • US2287103A - Method of and apparatus for flame machining : en
  • US2287532A - Fluid coupling : en
  • US2287202A - Refrigerating apparatus : en
  • US2287499A - Jumpering device : en
  • US2287642A - Electric switch : en
  • US2287306A - Mercury switch relay : en
  • US2287718A - Apparatus for gumming the flaps of envelopes or bags : en
  • AU173041A - Improvements in or relating toa method of anda device for tuning wireless sets : en
  • US2287616A - Shoe press with interchangeable last plate : en
  • CA405632A - Navigation aiding radio system : en fr
  • US2287370A - Roof framing support : en
  • US2287575A - Car axle mounting : en
  • US2287586A - Outside stabilizing means for expansion roof tanks : en
  • CA405700A - Steam radiator : en fr
  • AU115340B2 - Improvements in or relating toa method of anda device for tuning wireless sets : en
  • DE721848C - Process for the production of alkaline starch preparations : de en
  • FR872989A - Process for improving the magnetic properties of alloys liable to harden by separation : en fr
  • US2287066A - Heat exchange unit : en
  • US2287676A - Switch : en
  • FR873028A - Process for preparing solutions which directly develop photographic layers of metal salts : en fr
  • US2287302A - Power take-off : en
  • US2287310A - Kelly joint marker : en
  • US2287392A - Chaser assembly : en
  • US2287661A - Cover securing means for casings : en
  • US2287401A - All-frequency generator : en
  • FR872877A - Connection device : en fr
  • FR872879A - All fuel gas generator : en fr
  • US2287658A - Barrel assembling machine : en
  • CA405709A - Comminuted material separating apparatus : en fr
  • GB546071A - Improvements relating to manhole doors and manholes : en
  • US2287348A - Coating paper : en
  • US2287415A - Cathode ray signal generator : en
  • US2287380A - Metal rolling : en
  • AU395440A - An improved method of curing bacon : en
  • CA405619A - Dry milk product : en fr
  • DK59895C - Electrical Capacitor for Short Circuit of Interference Voltages. : da en
  • US2287671A - Tubular melting furnace : en
  • US2287752A - Trolley wire support : en
  • US2287147A - Evaporative cooler : en
  • CA405585A - Textile material : en fr
  • AU115316B2 - Deflecting device for cathode-ray tube : en
  • US2287159A - Laminated trim panel : en
  • GB545967A - Thermally-operated electric switching device : en
  • US2287659A - Mill : en
  • CA405686A - Refrigerator car : en fr
  • US2287615A - Fender shield and mounting : en
  • FR872960A - Process for preparing, for example in confectionery, a liquid or pasty filling based on liquid aromatic substances : en fr
  • US2287049A - Surface treatment of magnesium and magnesium base alloys : en
  • US2287466A - Process of producing high permeability silicon steel : en
  • GB545997A - Improved differential driving mechanism : en
  • DE721886C - Process for the production of mechanically high quality threads, ribbons and similarly shaped structures made of synthetic high polymers : de en
  • FR872896A - Method and device for improving the structure and efficiency in the use of metallic paint guns which use the material to be sprayed in the form of threads : en fr
  • DE721985C - Ring cooling system for water turbo sets : de en
  • FR872889A - Process for manufacturing clear and stable soap solutions, which can be used for lubrication in an aqueous medium and products obtained : en fr
  • US2287209A - Device for dispensing fluid from containers : en
  • CA405583A - Gardening fork : en fr
  • FR51407E - Method and device for supplying internal combustion engines with gaseous fuels : en fr
  • US2287743A - Ventilator and smoke remover : en
  • US2287178A - Method of forming refrigerating apparatus : en
  • US2287377A - Phonographic device : en
  • GB545998A - Improvements in or relating to machines having reciprocating slides for grinding screw threads and other kindred operations : en
  • US2287579A - Labeling machine : en
  • US2287060A - Method of making waterproof sandpaper : en
  • US2287127A - Signaling secrecy system : en
  • US2287328A - Studio spot lamp : en
  • US2287448A - Apparatus for coating pipes and the like : en
  • US2287573A - Inlaying method : en
  • US2287688A - Heddle frame : en
  • AU115307B2 - Improvement in television synchronizing apparatus : en
  • US2287256A - Ice machine : en
  • US2287601A - Scriber : en
  • US2287703A - Combination pencil clip and sharpener : en
  • US2287732A - Process for reclaiming sulphuric acid : en
  • DE722038C - Grinders for hard grinding mills : de en
  • US2287157A - Hydraulic drilling jar : en
  • US2287423A - System and apparatus for operating prison cell doors : en
  • USD132854S - Design for a memorial grave marker : en
  • FR872901A - Process for the production of porous material : en fr
  • FR872982A - Self-damping extendable rod for towing vehicles : en fr
  • FR872902A - Device for crystallization of salts : en fr
  • DE721906C - Circuit arrangement for utilizing subscriber lines in a telephone system for the transmission of messages : de en
  • GB546015A - Improvements in or relating to dry casein paints and methods of making the same : en
  • CA405594A - Oiler system for locomotives : en fr
  • GB545993A - Improvements in or relating to tuning controls for radio receivers : en
  • GB546041A - Improvements in electric lamp holders and the like : en
  • US2287210A - Bridge construction : en
  • FR872856A - Manufacturing process of fluid circulating hydraulic couplings or transmissions : en fr
  • GB546100A - Improvements in and relating to portable fire-fighting appliances : en
  • GB546006A - Improvements in agricultural ploughs : en
  • US2287450A - Belt tightener : en
  • DE721943C - Heatable torpedo lock designed for launching devices from aircraft : de en
  • US2287155A - Phosphoric acid dichlorides of 4-amino benzene sulphonamide and process for the manufacture of same : en
  • US2287589A - Wire coating die : en
  • US2287542A - Electric induction heating : en
  • US2287262A - Fire damper : en
  • DK59893C - Printing form and method of manufacture. : da en
  • US2287012A - Winding machine : en
  • US2287154A - Phosphoric acid dichlorides of compounds having a bactericidal action and process for the manufacture of same : en
  • US2287238A - Brake : en
  • US2287068A - Apparatus for transporting freight : en
  • US2287475A - Typewriting machine : en
  • US2287571A - Coffee maker : en
  • AU173141A - Radio receivers : en
  • DE722053C - Overlay receiver using a multi-grid mixer tube : de en
  • US2287664A - Article testing apparatus : en
  • FR873002A - Improvements in hydraulic control devices for pad or drum brakes, more especially for bicycles, motorcycles or similar machines : en fr
  • FR873004A - Wall-mounted coffee grinders improvements : en fr
  • FR872869A - Punch with interchangeable working part inserted for pressing pistons of internal combustion engines open on one side and similar applications : en fr
  • US2287065A - Modulation and relay : en
  • US2287187A - Machine for planing metal sheets : en
  • US2287298A - Dissector tube arrangement : en
  • US2287528A - Ironer shoe : en
  • US2287536A - Urea-phenol-formaldehyde adhesive : en
  • GB546003A - Screening sinter and collecting dust in connection with sintering machines : en
  • US2287258A - Apparel garment : en
  • DE721890C - Brake drum for vehicles : de en
  • FR873036A - Further development of dynamos for cycles and motorcycles : en fr
  • GB546022A - Improvements in or relating to machines for molding hollow glass articles : en
  • AU458142A - Improvements in or relating to air or gas compressors : en
  • CA405671A - Pipe or tube rolling apparatus : en fr
  • US2287470A - Valve operating mechanism for concrete pumps : en
  • DE722027C - Device for quick loosening of parts, e.g. B. dropable chassis, from aircraft : de en
  • US2287501A - Vibrator : en
  • US2287042A - Rat-pellagra preventing compounds and processes for their production : en
  • US2287413A - Facsimile system : en
  • CA405576A - Camp cooking kit : en fr
  • DE721965C - Electric switch with extinguishing chamber and differential pump piston : de en
  • CA405680A - Hydrocarbon isomerization : en fr
  • DE721957C - Telegraph receiver : de en
  • AU175841A - Improvements in or relating to miniature pianos : en
  • US2287457A - Screw driver : en
  • FR872920A - Mixed ureas containing solubilizing groups and their production process : en fr
  • DE704795C - Bobbin carriers on spindleless winding machines : de en
  • DE1519535U - : de en
  • CA405636A - Electrical conductor : en fr
  • DE721845C - Process for depilating fur : de en
  • CA405599A - Tube coupling : en fr
  • DK59894C - Voice Viewer for Radio Receivers. : da en
  • FR873016A - Arrangement of auxiliary engine devices in rear engine vehicles : en fr
  • FR872934A - Improvements made to electric discharge tubes and assemblies which include : en fr
  • CA405622A - Upholstery machine : en fr
  • US2287561A - Portable grandstand : en
  • US2287148A - Wear and hardness testing instrument : en
  • FR51411E - Control of propellers, in particular by several engines : en fr
  • US2287232A - Electrical connector : en
  • GB546063A - Improvements in electric fittings having spring contact clips : en
  • FR51425E - Method and device for stripping seeds, especially corn : en fr
  • FR51449E - Improvements to the anode voltage modulation assembly modes of a transmitter, with class b balanced amplifier and modulator output transformer of the same class : en fr
  • GB546052A - Improvements in and relating to the manufacture of bolting cloth, grit gauze and thelike : en
  • FR872918A - Method and machine for stapling wooden circles : en fr
  • US2287572A - Alarm lock : en
  • GB546061A - Improvements in terminal blocks and contact blocks and like electric fittings and themounting thereof : en
  • US2287225A - Production of carbon tetrachloride : en
  • FR873010A - Tubular joint, especially for coupling steam heating pipes in railways : en fr
  • GR9901B - METHOD FOR THE MANUFACTURE OF METAL MANGANIUM AND POSSIBLY CLEAN MANGANE DIOXIDE FROM MANGANOUS MINERALS. : el en
  • GB546031A - Improvements in or relating to grillers for use with gas cookers : en
  • CA405689A - Combustion apparatus : en fr
  • US2287322A - Apparatus for testing color : en
  • DE707210C - Perforated base plate for insertion in funnels with filter paper inserts : de en
  • FR872899A - Process for recovering hydrocarbons from the exhaust gases of the treatment of hydrocarbons with chlorine : en fr
  • FR872927A - Method and device for igniting fuel : en fr
  • GB546085A - Improvements in or relating to bucket grabs : en
  • FR872924A - Chromogenic tuned development process of single or multi-layer photographic emulsions : en fr
  • FR872964A - Improvements to a thirst quencher and its manufacturing process : en fr
  • FR873042A - Resistance welding device, especially clamp with carbon electrodes : en fr
  • US2287270A - Mold lubricant and method of molding rubber articles : en
  • CA405638A - Railway brake beam : en fr
  • US2287563A - Hinge : en
  • US2287482A - Lock slider : en
  • US2287040A - Traction device : en
  • US2287414A - Cable clamp : en
  • GB546007A - Improvements in or relating to the construction of automobiles : en
  • AU115335B2 - Improvements in or relating to sparking plugs : en
  • FR51446E - Process for preparing decaffeinated coffee and decaffeinated tea : en fr
  • US2287184A - Toy typewriter : en
  • US2287171A - Game ball : en
  • GB545989A - Improvements relating to wind-screen wipers : en
  • US2287381A - Lighting fixture : en
  • US2287464A - Preparation of aminomethyl ethers : en
  • FR872853A - Manufacturing process of hard alloys : en fr
  • FR872998A - Improvements in the manufacture of security envelopes for printed matter, etc. : en fr
  • US2287425A - Display holder : en
  • CA405702A - Metal working tool forming device : en fr
  • GB546049A - Improvements in or relating to cooking and heating apparatus : en
  • CA405607A - Soldering iron : en fr
  • US2287085A - Honing machine : en
  • US2287508A - Dental casting machine : en
  • US2287558A - Grating structure : en
  • AU171041A - Improvements in or relating to packing rings : en
  • GR9900B - METHOD FOR CLEANING METAL MANGANIUM. : el en
  • DE721960C - Resonance frequency meter : de en
  • US2287108A - Railway traffic controlling apparatus : en
  • US2287518A - Life raft : en
  • US2287714A - Drill bit : en
  • US2287254A - Metalworking machine : en
  • US2287053A - Aluminum bronze containing compositions : en
  • US2287326A - Preloaded safety spring unit : en
  • GB545988A - Improvements in or relating to brushes : en
  • US2287535A - Copolymerization of terpene hydrocarbons and coal tar hydrocarbons : en
  • DE721997C - Receiving device for signal current surges in carrier current systems with high, changing interference level : de en
  • US2287217A - Moisture absorbing apparatus : en
  • US2287570A - Carburetor : en
  • US2287313A - Refrigerating apparatus : en
  • US2287446A - Refrigerator latch mechanism : en
  • GB545970A - Interconnector means for making mechanical and electrical connection in electric conduit systems : en
  • DE721956C - Circuit arrangement for telex extension systems with dialer operation : de en
  • US2287135A - Coupling means : en
  • US2287130A - Hydrodynamic brake mechanism : en
  • AU115313B2 - Method and means for projecting images with flickering effect : en
  • AU368941A - Deflecting device for cathode-ray tube : en
  • AU115308B2 - Temperature compensation for pressure actuated indicators : en
  • US2287100A - Calculating typing machine with a motor drive : en
  • US2287394A - Taper die head : en
  • US2287597A - Manufacture of melamine : en
  • US2287382A - Barrier alarm : en
  • DE721926C - Process for the production of volume-stable silica stones : de en
  • US2287297A - Mechanical draft cooling tower : en
  • US2287617A - Motor starter : en
  • US2287133A - Toy : en
  • CA405681A - Mud wiper : en fr
  • US2287067A - Method of mechanically changing characteristics of liquids : en
  • US2287560A - Automatic phonograph : en
  • DE721724C - Process for the preparation of asymmetric thiuram monosulfides : de en
  • US2287713A - Torque controlled engine : en
  • CA405600A - Wheel barrow : en fr
  • USRE22124E - Urea resins and acid treatment : en
  • US2287437A - Low temperature carbonization of coal : en
  • CA405609A - Vegetation destroying material : en fr
  • US2287417A - Toggle : en
  • DE721940C - Device for refining metal alloys : de en
  • FR51421E - Semi-stationary appliance for gas heating of storage type baking ovens : en fr
  • DE722009C - Rotary lobe pump with an eccentric circumferential runner and resilient abutment between the inlet and outlet opening : de en
  • US2287194A - Multiple box : en
  • CA405673A - Locating pin : en fr
  • US2287505A - Flashlight : en
  • US2287438A - Brake mechanism : en
  • US2287498A - Hydraulic wheel drive : en
  • US2287364A - Mechanical pencil : en
  • US2287349A - Locking slide fastener : en
  • CA405597A - Expanded food product : en fr
  • FR872987A - Device for cutting wires : en fr
  • AU115301B2 - Improvements in method and apparatus for reducing ores and effecting other chemical reactions : en
  • US2287643A - Shoe : en
  • US2287744A - Conductive footwear : en
  • CA405624A - Vehicle body : en fr
  • CA405639A - Shock absorber : en fr
  • CA405588A - Washing machine protector : en fr
  • US2287465A - Aminomethyl ethers of ether alcohols : en
  • US2287669A - Engine starter drive : en
  • FR51430E - Method and device for removing residual images in stereoscopic projection by the double image process : en fr
  • GB546005A - Improvements in or relating to combined lighting, heating and ventilating systems : en
  • CA405669A - Well casing guiding and stabbing apparatus : en fr
  • US2287022A - Catalyst : en
  • CA405672A - Paper box manufacture : en fr
  • US2287110A - Art of manufacturing lubricating oils : en
  • US2287311A - Knot tying device : en
  • CA405667A - Steel or alloy tube manufacture : en fr
  • AU255041A - Improvements in belt fasteners : en
  • DE721983C - Parallel vice : de en
  • US2287750A - Fill pipe cap : en
  • US2287034A - Pumping apparatus : en
  • US2287063A - Container closure liner : en
  • CA405645A - Ceramic composition : en fr
  • GR9909B - BICYCLE MOVEMENT WITHOUT CHAIN. : el en
  • US2287119A - Process for purifying hydrocarbon products : en
  • US2287514A - Electric translating circuit : en
  • US2287545A - Polishing tool : en
  • DE721968C - Process for the production of coils consisting of hollow filaments with small diameters for high frequency annealing : de en
  • US2287522A - Purification of camphor : en
  • US2287524A - Molding apparatus : en
  • US2287596A - Chair bed : en
  • US2287680A - Double breasted coat : en
  • CA405578A - Gas cleaning apparatus : en fr
  • GB546000A - Improvements in and relating to the production of stacks or pads of sheet material : en
  • FR872940A - Improvements to filters such as, in particular, those used in gas purifiers : en fr
  • FR872914A - Plug for electrical contacts : en fr
  • CA405690A - Comminuted material classifying mechanism : en fr
  • DK59901C - Vending machine. : da en
  • US2287424A - Damper : en
  • AU115332B2 - Improvements in or relating tothe production of patterned minutely-perforated rubber sheet : en
  • US2287011A - Foot operated water control : en
  • US2287551A - Free chain hoist-full automatic and semiautomatic : en
  • USD132873S - Design for a doll : en
  • DE721891C - Process for the preparation of water-soluble sulfonated mixed esters of acids of phosphorus or boron : de en
  • FR872917A - Soap substitutes : en fr
  • US2287030A - Adjustable seat for chairs and the like : en
  • US2287029A - Method for making shot : en
  • US2287332A - Rotary digester : en
  • DE721993C - Air buffer for the cart of two-turn high-speed presses : de en
  • DK59908C - Combination weld. : da en
  • GB546030A - Improvements in shields for protecting the ears during hair dressing or drying operations : en
  • US2287259A - Collapsible tube or receptacle : en
  • US2287749A - Method and apparatus for amplifying electrical currents : en
  • FR872900A - Process for treating hydrocarbons with chlorine : en fr
  • GB546065A - Improvements in hydraulic control mechanism : en
  • FR872907A - Shoe brake, especially for coaster-actuated brake hubs : en fr
  • GB546084A - Improvements in or relating to electric generators : en
  • CA405697A - Mould core liquid : en fr
  • AU172241A - Flashlight lamp : en
  • GB546083A - Improvements in or relating to electric generators : en
  • US2287555A - Production of sulphur monochloride : en
  • US2287735A - Cooling of pistons of internal combustion engines : en
  • US2287156A - Skimmer : en
  • US2287603A - Frequency changer set : en
  • US2287665A - Method of halogenating cyclohexane : en
  • US2287736A - Production of motor fuels by solvent extraction : en
  • GB546059A - Improvements in flotation processes : en
  • GB546089A - A method and means of manufacturing hollow or cavitied bodies including thermo-setting resinous materials in their composition, and the products so obtained : en
  • GR9895B - SURFACE VENTILER (CARBURATOR) AFTER PORODOSA FILLING BY INTERNAL COMBUSTION MACHINE. : el en
  • US2287405A - Paper feeding mechanism for accounting machines : en
  • DE720028C - Bill pocket with hinged lid : de en
  • DE721928C - Inside and outside heated vertical smoldering oven : de en
  • AU115302B2 - An improved pressure reduction valve for use with water heating systems andin other similar circumstances : en
  • DE721982C - Conveyor system, in particular pneumatic tube system, with a conveyor path working in turning mode : de en
  • US2287763A - Machine for developing blueprints : en
  • US2287279A - Continuous power takeoff drive : en
  • USD132863S - Combined microphone and hand control device for a phonograph : en
  • DE721974C - Ring gauge to facilitate the production of matching crown rings for ground tooth dies : de en
  • USD132856S - Design for an engine starter : en
  • US2287304A - Pickup device : en
  • US2287162A - Flash protection device : en
  • SE104800C1 - : sv
  • DE722046C - Sound reproduction arrangement provided with sound guides : de en
  • GB546036A - Improvements in or relating to brakes : en
  • DE721947C - Process for increasing the performance in electrical power plants, in particular railway power plants : de en
  • CA405623A - Vehicle body retainer strip : en fr
  • US2287651A - Method of carburizing without deterioration of furnace alloys : en
  • US2287204A - Domestic appliance : en
  • DE721913C - Photoelectric cell : de en
  • FR872979A - Marmalade preparation process : en fr
  • GB546055A - Improvements in or relating to internal shoe drum brakes : en
  • US2287681A - Refrigerating device for bottled : en
  • US2287054A - Sole edge inking machine : en
  • US2287592A - Steam purifying apparatus : en
  • FR872952A - Process for improving the initial permeability of fersilicon alloys : en fr
  • DE721900C - Method and device for straightening workpieces made of magnetizable materials : de en
  • FR51417E - Attachment device operating by rotation and mounts comprising this attachment device : en fr
  • AU115322B2 - An improved decarbonizing compound : en
  • US2287247A - Sizer construction for pencil sharpeners : en
  • GB546082A - Improvements in wearing apparel : en
  • US2287406A - Vibration control apparatus : en
  • US2287541A - Discharge tube : en
  • US2287527A - Root trimming plow : en
  • DE721966C - Safety and blackout relay : de en
  • FR873012A - Foundations for overhead line pylons : en fr
  • US2287477A - Cleaning pad : en
  • DE721946C - Circuit arrangement for connecting lines with several optionally callable branch points in telecommunications systems, in particular telephone systems : de en
  • US2287398A - Apparatus for cutting cloth : en
  • US2287443A - Octyl-halo-phenols : en
  • GB546009A - Improvements in or relating to portable apparatus for flamecutting metal : en
  • AU403141A - Manufacture of acid-curd cheese : en
  • US2287353A - Truss pad : en
  • US2287509A - Dental casting machine : en
  • US2287543A - Welding method and apparatus : en
  • US2287129A - Steam generator : en
  • US2287537A - Process for the production of betaalkoxycarboxylic acids : en
  • US2287693A - Fresh vegetable packing : en
  • US2287289A - Temperature responsive device : en
  • US2287758A - Process for the production of dicalcium phosphate : en
  • DE721897C - Chess clock : de en
  • US2287520A - Carton : en
  • DK59899C - Hook Connection for Comparing Building Elements. : da en
  • US2287607A - Rectifier : en
  • FR872965A - Water-soluble condensation products and their production process : en fr
  • US2287056A - Packaging of sheet material : en
  • AU167741A - Improved rivetting gun : en
  • CA405688A - Refrigerator car : en fr
  • GB546079A - A new or improved dart : en
  • FR51440E - Air conditioning distribution outlet : en fr
  • CA405618A - Engine carbureter : en fr
  • FR872936A - Low viscosity fluids for brakes, shock absorbers and hydraulic transmissions : en fr
  • FR872994A - Improvements to speed modulating tubes : en fr