• GB548990A - Improved head rest or pillow : en
  • DE727382C - Damping device for string instruments : de en
  • FR876329A - Radio receiver with bandwidth adjustment and bass sound enhancement : en fr
  • FR876488A - Elastic wheel : en fr
  • GB549006A - Condensation of carbonylic compounds : en
  • US2300485A - Panel setting device : en
  • US2300912A - Respiratory device : en
  • FR876442A - Process for the preparation of finely crystallized sodium metasilicate hydrates : en fr
  • US2300706A - Power transmission belt : en
  • US2300794A - Razor : en
  • USD134245S - Holder for musical instrument reeds or the like : en
  • US2300636A - Tetrakisazo dyestuffs soluble in water : en
  • US2300765A - Aspirator : en
  • DE727530C - Switching device for a plurality of resistance welding machines fed with alternating current : de en
  • DE727563C - Splash and splash water protection device for the air inlet openings of electrical machines and devices : de en
  • US2301120A - Screen oil filter : en
  • US2301036A - Bicycle : en
  • FR876252A - Method and device for lubricating projectiles : en fr
  • US2300441A - Method of making athletic balls : en
  • US2300709A - Electrical prospecting method : en
  • US2300596A - Blade package : en
  • AU116056B2 - Means to facilitate interstate rail traffic by eliminating transhipping : en
  • CA408441A - Artificial filamentary material : en fr
  • US2300826A - Lubricating means for sewing machines : en
  • US2300489A - Switch : en
  • US2300512A - Shaving appliance : en
  • FR876371A - Tie with a small pocket : en fr
  • FR876485A - Elastic or non-elastic fluid rotary motor can also be used as a pump or compressor : en fr
  • DE727558C - Saving image catcher tubes with cathode ray scanning : de en
  • GB549084A - Improvements in the manufacture of moulding powders : en
  • US2300806A - Railway signaling system : en
  • US2300517A - Method of manufacturing shielding conduit assemblies : en
  • US2300782A - Heat exchange coil : en
  • US2300836A - Clutch mechanism for lead carrier of magazine pencils : en
  • DE727354C - Locking device for the adjustment rods of the fuel supply in motor vehicles : de en
  • CA408378A - Cowling and engine housing : en fr
  • US2300834A - Eyeglass construction : en
  • CA408407A - Railway signalling system : en fr
  • DE727403C - Process for the production of trivalent and pentavalent arsenic compounds from 2-mercaptobenzoxazolabkoemmlingen : de en
  • DE727477C - Device for eliminating the distortion of the figure described by the cathode ray in a cathode ray tube : de en
  • US2301017A - Burner construction : en
  • DE727440C - Screw clamp : de en
  • US2301002A - Derivatives of metal complex compounds of sulphurized phenols : en
  • US2300733A - Cellulose pulping system : en
  • CA408324A - Straw packaging method : en fr
  • DE727366C - Mechanical converter for technical alternating current with an alternating current flowing through a coil oscillating in a magnetic field : de en
  • CA408339A - Alcoholic beverage : en fr
  • DE727389C - Paper trolley switching device for typewriters or the like. : de en
  • DE727466C - Weightless chain boom brake mounted to swing around the chain boom brake disc : de en
  • US2300471A - Voltage regulator : en
  • US2300624A - Multiple curb chain : en
  • US2300752A - Combination clutch, brake, and control mechanism : en
  • US2300761A - Aggregation of dispersoids : en
  • US2301024A - Method of and apparatus for preparing facsimile master copies : en
  • DE727500C - Drive device for sewing machines with fabric cutting device : de en
  • FR876310A - Process for the pre-treatment of substances to be separated electrostatically : en fr
  • US2300736A - Method of making filamentous glass : en
  • US2300980A - Puller for broaching steels : en
  • GB549109A - Improvements in and applicable to knitting machines and the production of fabric thereon : en
  • CA408364A - Plaster-like product : en fr
  • CA408403A - Hydroxy-aldehyde and hydroxy-ketone : en fr
  • US2300800A - Pipe : en
  • DE727572C - Procedure for calibrating the scale of a tuning circle : de en
  • FR876489A - Machine for fitting junction staples on transmission belts : en fr
  • AU116055B2 - Improvement in fluid pressure generation : en
  • GB549135A - Improvements relating to leading-in arrangements for vacuum or gas-filled electric discharge devices : en
  • DE727513C - Hardness tester, in which the impression produced by a penetrator in the test specimen is made visible by means of a microscope attached to the hardness tester : de en
  • DE727562C - Device for receiving electrical vibrations : de en
  • DE727420C - Aircraft landing gear : de en
  • DE727488C - Protection device for chain milling cutter : de en
  • US2300392A - Screw driver : en
  • FR876266A - Improvements with emulsions particularly suitable for decorating fabrics : en fr
  • GB549120A - Improvements in or relating to the manufacture of titanium pigments : en
  • FR876330A - Amplifier tube : en fr
  • FR876448A - Carbide drop acetylene generator more particularly for supplying internal combustion engines : en fr
  • GB549100A - Improvements in or relating to blade fastenings for turbines : en
  • US2300853A - Control circuit for gaseous electric discharge lamps : en
  • AU318241A - Machines for winding electric coils : en
  • DE727514C - Starting device for internal combustion engines : de en
  • GB548997A - Improvements in and relating to fluorescent materials and processes of making the same : en
  • US2300861A - Rasp : en
  • DE727613C - Receiver with a device for changing the tone color : de en
  • US2300519A - Piston ring assembly : en
  • US2300998A - Aromatic nitrogen-containing hydroxy compounds : en
  • DE727502C - Locking device on gears of adjusting propellers : de en
  • US2300556A - Amino polyglycol ether : en
  • US2300691A - Process for refining hydrocarbon oils and derivatives : en
  • AU116066B2 - Improvements in valve operated variable reactors : en
  • CA408353A - Control device preparing machine : en fr
  • CA408385A - Rubber curing method : en fr
  • FR876282A - Trisazo-fluochrome green : en fr
  • FR876418A - Hair waving device and method of manufacture and use : en fr
  • GB549039A - Improvements in or relating to laminated or fabricated structures formed wholly or in part of cellulosic material : en
  • FR876465A - leuco-sulfuric ethers-salts of tank dyes of the anthanthronic series and process for their preparation : en fr
  • FR876429A - Articulated support arm : en fr
  • US2300607A - Vulcanizable polymerization product and process of producing same : en
  • US2300813A - Tamping tube : en
  • GB549111A - An improved method of softening water : en
  • US2300560A - Heat controlling apparatus : en
  • US2301012A - Electron tube : en
  • FR876333A - Breathing apparatus for saddle, draft and work animals : en fr
  • US2300749A - Manufacture of soap : en
  • US2301141A - Control apparatus : en
  • US2300822A - Electromagnetic switch : en
  • USD134255S - Design for a finger ring : en
  • US2300555A - Process for breaking petroleum emulsions : en
  • FR876440A - Removable closure of boxes, in particular folding cardboard boxes : en fr
  • GB549044A - Improvements in apparatus for effecting high vacuum short path distillation : en
  • DE727574C - Galvanic plate element with air depolarization, especially for dry batteries : de en
  • DE727473C - Process for the production of clumps of 4-aminobenzenesulfonamides : de en
  • FR876272A - Manufacturing process for highly active hydraulic substances, in particular cements : en fr
  • US2300812A - Acid-resistant cementing composition : en
  • US2300592A - Method of improving the adhesion of rubber to cotton : en
  • US2300913A - Insulator bushing : en
  • DE727568C - Method for fulling textile fabrics : de en
  • DE727485C - Stiffening and connection of two or more coils arranged one on top of the other in the same rotating system : de en
  • FR876479A - Advanced safety razors : en fr
  • DE727611C - Viewfinder on television or film cameras, in particular for reportage purposes : de en
  • FR876325A - Vacuum cleaning device : en fr
  • US2300688A - Fluid impelling device : en
  • US2300493A - Rotary internal combustion engine : en
  • US2300697A - Refrigerating apparatus : en
  • DE727608C - Process for the saccharification of cellulose : de en
  • DE727606C - Swivel pressure fork for the charging contact of horizontally suspended bombs : de en
  • US2300888A - Film splicing device : en
  • GB548999A - Improvements in radioscopic and radiographic apparatus : en
  • DE727448C - Insulating tape : de en
  • DE727517C - Panel-shaped building play element : de en
  • USD134258S - Design for a figurine : en
  • FR876299A - Device comprising a cathode ray tube fitted with deflection members and intended for the production of very high frequency oscillations : en fr
  • FR876393A - Hammock-shaped top for chaise longue or similar furniture : en fr
  • US2301053A - Process for the production of : en
  • DE727380C - Procedure for securing the seams of soldered tin can bodies against tearing open at the edges of the bottom : de en
  • DE727585C - Device for catching and cutting knots u. Like. In running, artificial, wet thread bands : de en
  • DE727632C - Annealing furnace with uninterrupted material conveyance : de en
  • AU390441A - Improved motor and compressor assemblage for electric refrigerators : en
  • US2300461A - Power driving device for lawn mowers : en
  • FR876427A - Safety device for maintaining the oil level in reciprocating compressors : en fr
  • US2300983A - Flop-over box : en
  • DE727605C - Trigger device for automatic firearms : de en
  • DE727612C - Device for remote tuning of an oscillator, in particular an overlay receiver : de en
  • US2300558A - Contact alloys : en
  • US2300917A - Method of making bulbs : en
  • US2300667A - Combination underwear : en
  • FR876344A - Gas valve for rich gas burner : en fr
  • FR876357A - Automatic hammering machine : en fr
  • CA408315A - Barium sulphate manufacture : en fr
  • DE727577C - Electrical isolating distributor for multi-core cables : de en
  • DE727583C - Skin clipper : de en
  • AU337941A - Improvements relating to circuit arrangements for thermionic oscillation generators, particularly for radio communication systems : en
  • US2300833A - Milking machine teat cup : en
  • US2300874A - Carrying case, box, and the like : en
  • GB549083A - Improvements in detachable cantilever bracket structures : en
  • US2300755A - Ribbon-feed mechanism : en
  • US2300875A - Radio receiving system : en
  • US2300942A - Television carrier-signal receiver control system : en
  • CA408417A - Bottled beverage vending machine : en fr
  • FR876452A - fuel saver : en fr
  • DK60298C - Sound-regulating and sound-insulating Wall or Ceiling construction. : da en
  • DE727388C - Production of fuel oils from fermented sludge : de en
  • USD134243S - Design for a display table : en
  • US2300402A - Signaling system : en
  • US2300478A - Clip : en
  • FR876392A - Circular knitting machine with ribbing for guilloche designs : en fr
  • GB549127A - Improvements relating to mechanism for gauging and sorting articles according to size : en
  • US2301161A - Shower curtain : en
  • CA408372A - Photographic gelatine layer : en fr
  • US2300588A - Dibenzyl cyanamide as an insecticide : en
  • DE727367C - Salt spreader with a crushing device for salt lumps : de en
  • GB549060A - Improvements in antifogging and stabilizing agents for photographic emulsions : en
  • USD134247S - Design fob a whippeb blade : en
  • DE727425C - Frame for finishing porous fiber cement panels produced on cardboard machines : de en
  • US2300947A - Ship propulsion system : en
  • US2300415A - Transmission control : en
  • US2300750A - Manufacture of soap : en
  • DE727412C - Device for measuring speeds : de en
  • GB548984A - Improvements in or relating to thread milling machines : en
  • FR876311A - Process for making activated carbon hydrophobic by means of water-repellent substances : en fr
  • FR876362A - Amplifier installation : en fr
  • DE727584C - Method and device for removing the seeds from bast fiber stalks, in particular flax stalks : de en
  • DE727619C - Process for plating magnesium and magnesium alloys : de en
  • DE727379C - Carrying device for revolving feed pipes for material rods at Drehbaenken u. like : de en
  • DE727497C - Feeding device for table separators : de en
  • DE727461C - Shut-off device for dispensing systems with flow meter : de en
  • FR876409A - Mode of actuation of adjustable objects : en fr
  • GB549137A - Improvements relating to precision grinding machines : en
  • GB549070A - Improved steering device for endless track vehicles : en
  • US2300954A - Electric step switch : en
  • US2300815A - Valve for pumps : en
  • US2301155A - Lock : en
  • GB549054A - Improved manufacture of catamenial tampons : en
  • DE727395C - Process for the production of enamel : de en
  • FR876438A - Semi-rigid curler for hair curls : en fr
  • FR876461A - Hydrogen generator for automobile car : en fr
  • US2300547A - Flexible hose connection : en
  • US2300686A - Lead resinate and method of : en
  • US2300724A - Electric switch : en
  • GB549002A - Improvements in and relating to electrical communication systems : en
  • GB549011A - A process for the manufacture from brewers' yeast of a vitamin-containing material : en
  • DE727357C - Fitting jacket : de en
  • CA408343A - Book support : en fr
  • US2300923A - Phonograph : en
  • CA408329A - Rotary engine : en fr
  • DE727614C - Device for the simultaneous holding and cooling of the line ends of insulated aluminum lines or cables when welding cable lugs to the conductor ends and method for using the device : de en
  • FR876432A - Method for determining cracks in castings of light metal alloys : en fr
  • FR876260A - Removable cover register system : en fr
  • FR876341A - Dielectrics and plasticizers : en fr
  • US2300747A - Steam engine : en
  • US2300982A - Decating machine : en
  • USD134265S - Design for a concrete finishing tool : en
  • US2300437A - Page roll curler : en
  • DE727374C - In particular high-speed two-stroke internal combustion engine with flat pistons working with direct current purging : de en
  • FR876477A - Improvements to wooden soles for shoes and to shoes incorporating such soles : en fr
  • DE727604C - Magazine attachment to automatic firearms : de en
  • US2300484A - Motion picture projection system : en
  • US2300785A - Gear stud assembly : en
  • US2300421A - Clothes washer : en
  • US2300586A - Swing : en
  • DE727479C - Method for bearing without night effects : de en
  • US2301116A - Safety latch shackle : en
  • US2300944A - Process of alloying tungsten with ferrous metals : en
  • GB549110A - Improvements in electrical screening devices : en
  • CA408338A - Wheel cover : en fr
  • GR9998B - VEGETABLE MILK FROM SOYBEAN SEEDS OR OTHER SEEDS OR FRUITS JUDGED SUITABLE FOR THIS. : el en
  • US2300929A - Exercising and strength testing apparatus : en
  • US2301099A - Control mechanism : en
  • FR876499A - Method and device for the production of spare parts for artificial teeth, crowns and bridges, as well as for base plates : en fr
  • GB549058A - Improvements in building material comprising protected metal article : en
  • FR876306A - Electrical appliance producing steam for space heating or other purposes : en fr
  • FR876352A - Oleophenolic condensation products and their method of manufacture : en fr
  • US2300786A - Gill-drawing frame : en
  • US2300922A - Meter circuit protective means : en
  • USD134276S - Design for an automatic telegraph device : en
  • US2300534A - Knife sharpening mechanism for cutting machines : en
  • US2300921A - Sewing machine attachment : en
  • US2300648A - Well pump : en
  • US2300839A - Temperature regulating system : en
  • US2300885A - Refrigerating apparatus : en
  • US2300654A - Pitot tube : en
  • US2300899A - Thermostatic water valve : en
  • FR876364A - Gate valve with sliding wedge mounted wedge : en fr
  • FR876424A - Inhaler : en fr
  • AU410140A - Improvements in or relating to end closures for explosive cartridges : en
  • FR876413A - Splitting device of javelles with forked working tools, in particular for suspension or mounting on a tractor : en fr
  • CA408323A - Concrete composition : en fr
  • GB548966A - A method of and apparatus for the manufacture of staybolts : en
  • US2300693A - Process for dewatering sludges : en
  • US2300523A - Lamp structure : en
  • GB548972A - Improvements in or relating to electrical heating apparatus : en
  • US2300436A - Phase modulation : en
  • US2300532A - Dual wheel assembly : en
  • US2301015A - Telephone system : en
  • USD134263S - Design for a combined container cap and eye cuv : en
  • GB548970A - Improvements in or relating to methods and apparatus for heat-treating metallic tubular members : en
  • US2300900A - Control device : en
  • GB549015A - New compositions useful as oxidising and bleaching agents : en
  • CA408436A - Collapsible boat : en fr
  • GB549029A - Improvements in apparatus for the measurement of quantities related to the dimensions of visual impressions : en
  • US2300442A - Separable fastener : en
  • US2300469A - Desk pad : en
  • US2300832A - Derivatives of dinaphthoperylenediones : en
  • US2300886A - High-speed wattmeter-type relay : en
  • US2300579A - Refrigeration : en
  • USD134266S - Design for a merchandise container : en
  • FR876405A - Ship power plant with gas generator : en fr
  • US2301003A - Method of producing rayon fibers or filaments : en
  • CA408358A - Fluid measuring and controlling apparatus : en fr
  • DE727230C - Circuit arrangement for alarm systems in which the alarm ordering lines are routed in groups to distribution points : de en
  • DE727537C - Bedding for large horizontal multi-cylinder piston engines : de en
  • FR876369A - Skin shaving machine : en fr
  • AU116032B2 - Improved method and apparatus for preheating and/ or vaporising fuels : en
  • US2300705A - Signal means for suction cleaners : en
  • US2301032A - Refuse receptacle : en
  • US2301131A - Method of making unsaturated compounds : en
  • CA408335A - Vehicle wheel : en fr
  • CA408370A - Brush bristling machine : en fr
  • CA408426A - Signal system fault indicating means : en fr
  • US2300817A - Formation of polymers from mixed olefins and iso-olefins : en
  • US2300901A - Thermal overload relay : en
  • US2300919A - Paint striping apparatus : en
  • FR876283A - New auxiliary agents for textiles : en fr
  • FR876478A - Electric switch, in particular for <phare-code> lighting of motor vehicles : en fr
  • FR876455A - Pulp improvement process : en fr
  • GB549046A - Improvements relating to lattice structures : en
  • US2300877A - Process for treating hydrocarbons : en
  • CA408427A - Package binding apparatus : en fr
  • US2300774A - Automobile fuel mixer : en
  • US2300581A - Monitoring system : en
  • US2301158A - Scraper : en
  • DE727599C - Hot rope hook for bomb loading devices on aircraft : de en
  • US2301029A - Device for suspending garments : en
  • DE727438C - Armored vehicle : de en
  • FR876443A - Ceramic electric heater : en fr
  • DK60292C - Rotating Filter. : da en
  • US2300629A - Hanger for trousers : en
  • US2300753A - Self-unloading truck : en
  • DE727553C - Hydropower plant : de en
  • GB549119A - Improvements relating to manually-operated riveting appliances : en
  • DE727525C - Circuit arrangement for telephone systems in which group speech connections are made via amplifiers : de en
  • GB549132A - Improvements in high-frequency transmission lines : en
  • DE718903C - Mixed light lamp with a mercury pressure lamp in a vacuum jacket, a fluorescent coating and a filament : de en
  • DE727486C - Shaft melting furnace with forehearth : de en
  • GB549022A - Improvements in and relating to electric regulators for dynamo-electric machines : en
  • DE727387C - Process for dyeing cellulose esters and ethers : de en
  • DE727447C - Method of operating light beam scanners : de en
  • DE727515C - Process for basic enamelling of iron objects using the wet enamelling process : de en
  • FR876386A - Apparatus for examining and measuring various physical properties of fibers, yarns and the like : en fr
  • FR876439A - Snap-on clamp for securing compressed gas tubes : en fr
  • US2300576A - Loop-automatic and manual drive : en
  • US2300632A - Oscillation generator : en
  • US2300851A - Earth pulverizer : en
  • CA408395A - Electrical surge absorber : en fr
  • US2300766A - Multistage centrifugal compressor : en
  • US2300994A - Calender for paper : en
  • FR876366A - Protection device for underground motors : en fr
  • US2300825A - Storage tank vent valve : en
  • US2300951A - Telephone system : en
  • US2300599A - Terpene composition : en
  • US2301020A - Refrigerator construction : en
  • GB549049A - Improvements in process of producing textile yarn : en
  • GB549076A - Improvements in or relating to facsimile signalling systems : en
  • DE727364C - Device for setting an object : de en
  • DE727394C - Gyroscope with power supply : de en
  • US2300855A - Method of drilling diamonds : en
  • US2300990A - Combined tension and screw-down control for strip mills : en
  • CA408351A - Step ladder and ladder : en fr
  • AU338941A - Radio receivers : en
  • CA408408A - Lawn mower : en fr
  • CA408362A - Conveyer for loose materials : en fr
  • AU116033B2 - Improvements relating to circuit arrangements for thermionic oscillation generators, particularly for radio communication systems : en
  • CA408384A - Railway track member and welding rod : en fr
  • DE727445C - Process for cleaning vessels, e.g. B. of Faessern : de en
  • US2300571A - Time controlled signal release : en
  • US2300536A - Electrical induction apparatus : en
  • FR876459A - Metal working method : en fr
  • GB549108A - Improved crank pin assembly : en
  • GB549107A - Spindle drive control for machine tools : en
  • US2300439A - Stable mixtures containing levoascorbic acid or the like : en
  • US2300663A - Heat exchange device : en
  • US2300895A - Pressure controlled instrument : en
  • FR876496A - Sorting, screening, sifting and similar apparatus, particularly applicable as seed sorters : en fr
  • DE727610C - Device for the central introduction of the purge gas into a ring shaft-shaped smoldering furnace : de en
  • USD134273S - Design for a textile fabric or similar article : en
  • AU116059B2 - Reciprocating facsimile apparatus : en
  • US2301093A - Mandrel for pipe forging machines : en
  • GB549021A - Improvements relating to gas producers : en
  • GB549041A - Improvements in and relating to damping devices, more especially for sensitive instruments, such as gyro-compasses : en
  • US2300535A - Knife sharpening mechanism for cutting machines : en
  • US2300820A - Outlet gate : en
  • US2300539A - Electric discharge apparatus : en
  • DE727587C - Device for manufacturing incandescent lamp bulbs from glass tubes : de en
  • US2301061A - Tank construction and the like : en
  • DE727371C - Device for the automatic representation of a size depending on a second size according to two working diagrams, which show each of these two sizes depending on a common third size : de en
  • AU437542A - Improvement in display package : en
  • US2301006A - Folding or laying machine : en
  • GB548987A - Improvements in and relating to the production of burnt dolomite : en
  • CA408431A - Printing telegraph apparatus : en fr
  • US2301079A - Body and fender tool : en
  • USD134241S - Design for a navy chess game board : en
  • USD134262S - Design fob a cigarette case or similar article : en
  • FR876411A - Central heating boiler operating by carbonization of wood or by combustion of sawdust : en fr
  • US2300711A - Coupling : en
  • US2301041A - Valve adjusting means : en
  • FR876376A - Welding process and products obtained by this process : en fr
  • US2301043A - Antifouling of firearms : en
  • DE727543C - Roll film camera with cutting device : de en
  • FR876425A - Device for transporting bulk materials on water : en fr
  • FR876399A - Process for manufacturing nickel oxide starting from nickel sulfide : en fr
  • US2300651A - Process for the purification of pectin : en
  • FR876419A - Process for producing hardened artificial materials : en fr
  • FR876473A - Improvements to small rotating magnet alternators : en fr
  • CA408355A - Permeable plaster mould : en fr
  • US2300502A - Automobile : en
  • US2300824A - Means for securing machine parts against relative lateral displacement : en
  • US2300757A - Railway signal control and indication apparatus : en
  • US2301132A - Ash receiver : en
  • CA408319A - Joint : en fr
  • FR876490A - Electronic speed modulation systems without hardware grid : en fr
  • US2301137A - Means for resiliently interlocking concrete road slabs : en
  • US2301048A - Oil proofing : en
  • US2300738A - Recoil pad : en
  • US2301039A - Printing machine : en
  • US2301083A - Cam hardening machine : en
  • US2300677A - Nu-(1-carboxy-1-acylaminoethyl thiomethyl) and n, n'-bis-(1-carboxy-1-acylaminoethylthiomethyl) derivatives of 4, 4'-diaminodiphenyl sulphone, their salts, and the method of producing them and their salts : en
  • US2300414A - Container : en
  • US2300862A - Apparatus for manufacturing hollow glass articles : en
  • US2301160A - Modulation system : en
  • US2300432A - Altimeter control device : en
  • US2301023A - Coupling network : en
  • US2300618A - Branch exchange : en
  • US2300728A - Method of manufacturing lumber : en
  • US2301091A - Automatic phonograph : en
  • US2301122A - Control for hydraulic mechanism : en
  • USD134261S - Design for a tag ok similar article : en
  • AU116042B2 - Device for measuring small direct voltages : en
  • DE727409C - Belt pulley with centrifugal clutch, in particular for driving the alternator of motor vehicles : de en
  • US2300621A - Globe clock structure : en
  • US2300778A - Sound reproducer drive : en
  • US2300799A - Cigarette holder : en
  • USD134249S - Design fob a carton luncheon tray : en
  • US2301129A - Cigar lighter : en
  • US2300668A - Automatic record-changing apparatus : en
  • US2300948A - Composition and method : en
  • FR876288A - Machine for making ampoules from glass tubes : en fr
  • GB548983A - Improved method of removing dust from comminuted soap : en
  • US2300973A - Compressor : en
  • FR876370A - Printing cylinder feed and feed device for printing machines : en fr
  • GB549078A - Fastening means for a detachable piece of a clamping or spring-pressure-applying device : en
  • US2300958A - Single phase var meter : en
  • US2300418A - Control device : en
  • AU116037B2 - Improved means for securing a shoe upper tothe counter ofa last : en
  • DE727472C - Process for restoring the shine of cellulose ester textiles that have become dull under the action of aqueous baths at elevated temperatures : de en
  • US2300391A - Lubricant additive : en
  • US2300542A - Automatic fountain mixer : en
  • US2300887A - Girdle : en
  • US2300640A - Refrigerator car structure : en
  • US2300637A - Hair curler : en
  • USD134275S - Design for a textile fabric : en
  • GB549123A - Improvements in or relating to the control of hydraulic or other fluid-pressure operated presses : en
  • GB549131A - Improvements in brake mechanism for trailer vehicles : en
  • AU116040B2 - Photographic emulsions : en
  • FR876381A - Soaps : en fr
  • DE727542C - Process for the production of long-lasting, fine-grained and spreadable quark : de en
  • DE727575C - Insulator support for wire masts : de en
  • FR876493A - Crusher-screen-vacuum cleaner-scrubber : en fr
  • CA408424A - Moccasin : en fr
  • GB549018A - Improvements in or relating to arrangements for charging secondary electric batteries : en
  • GR9999B - METAL SOAP POLISHER. : el en
  • FR876263A - Improvements to engine intake manifolds : en fr
  • FR876468A - Improvement of crushers-separators for seed cleaning : en fr
  • US2300866A - Compound tool : en
  • GB549035A - Improvements in or relating to safety valves : en
  • FR876327A - Method and device for tempering masses of chocolate or other sweet products on surfaces which move with the masses : en fr
  • GB549074A - Improvements in electrical signalling systems utilising trains of impulses for control purposes : en
  • US2300463A - Device for receiving and recording telegraphic symbols : en
  • US2301088A - Feed roller : en
  • US2301136A - Flow control apparatus : en
  • GB549089A - A process and apparatus for carburising steel : en
  • GR10000B - METHOD TO IMPROVE THE QUALITY OF DRY ELECTRICAL BATTERIES. : el en
  • DE727522C - Device for generating block ice by means of natural cold : de en
  • US2301151A - Adjustable stop countersink : en
  • US2300864A - Electromagnetic coil mounting : en
  • US2301127A - Vegetable shredder : en
  • DE727383C - Multiple optics for dividing the image with time stretchers : de en
  • DE727616C - X-ray system with two or more operating switches, possibly at different workplaces : de en
  • AU498642A - Improvements in and relating to mountings for tubular electric discharge lamps : en
  • DE727478C - Circuit arrangement for signaling systems : de en
  • US2300684A - Griddle greaser : en
  • US2301076A - Dump cart : en
  • US2300937A - Building construction : en
  • US2300977A - Two-shaft internal combustion engine : en
  • USD134252S - Design fob a vacuum tube : en
  • DE727362C - Paving block : de en
  • DE727521C - Checking the oil content of gases or vapors, especially in refrigeration systems : de en
  • DE727594C - Process for galvanizing : de en
  • DE727457C - Drive for nozzle pipes of cleaning devices for machine and vehicle parts : de en
  • FR876373A - A process for preparing triacetone-diol and 2. 6-dimethyl-heptane-2. 4.6-triol : en fr
  • DE727492C - Driver's seat with swiveling seat support, especially for tractors and agricultural machines : de en
  • DK60301C - Apparatus for temperature control in central heating systems and hot water systems. : da en
  • FR876255A - Temperate living cabin for apartments : en fr
  • CA408368A - Rubber vulcanization : en fr
  • US2300492A - Container : en
  • US2300674A - Secondary rack : en
  • US2300569A - Controlling device for wrapping machines : en
  • US2300797A - Garment hanger : en
  • US2300570A - Method of preparing alkylol cyanamide condensation products : en
  • US2300932A - Air and water control mechanism : en
  • US2301071A - Engine starting mechanism : en
  • US2300777A - Method of grading fruit : en
  • US2300936A - Toilet seat : en
  • DE727645C - Seat suspension, especially on deck chairs : de en
  • CA408430A - Telegraph transmitter : en fr
  • US2300801A - Shovel attachment : en
  • CA408313A - Vegetation and insect destroying apparatus : en fr
  • CA408399A - Railway bumping post : en fr
  • US2300723A - Fan : en
  • US2300841A - Control method : en
  • US2301108A - Electrode holder : en
  • US2300744A - Pouring handle and carrier for necked containers : en
  • CA408437A - Safety tire tube : en fr
  • US2300972A - Plate holder : en
  • US2300976A - Preparation of methylol compounds of urea or thiourea stable in storage : en
  • US2301000A - Sulphanilyl alkyl guanidine and process for making it : en
  • US2300420A - Dewaxing of white mineral oils : en
  • US2300554A - Process for breaking petroleum emulsions : en
  • CA408336A - Wheel and assembly : en fr
  • DE727458C - Cleaning device for workpieces u. like : de en
  • US2300538A - Electric discharge apparatus : en
  • US2300683A - Firebrick : en
  • US2300430A - Method of and apparatus for heating water : en
  • CA408438A - Bottle cover : en fr
  • US2301140A - Forming blade holding core segments : en
  • DE727465C - Lead sight with mechanically controlled v-vector : de en
  • DK60299C - Wood splitting machine, nanvlig for Generator firewood. : da en
  • GB549005A - Improvements in or relating to devices for supporting or suspending textile articles : en
  • GB549050A - Improvements in or relating to laminated fabric : en
  • US2300997A - Electric incandescent lamp : en
  • FR876447A - Improvements to refrigerated cabinets : en fr
  • US2301004A - Multifrequency traffic control system : en
  • CA408446A - Straight knitting machine : en fr
  • US2300533A - Weaving machine : en
  • US2300676A - Nu-(1-carboxyacylaminoethylthiomethyl) derivatives, and the process of producing them : en
  • US2300527A - Peripheral flange formation apparatus : en
  • US2300468A - Down-draft regulator : en
  • US2301102A - Loader : en
  • US2301148A - Method of producing cork board : en
  • AU382741A - Apparatus for cleaning the surface of anodes : en
  • US2301034A - Oil separating system for compressors : en
  • CA408342A - Engine transmission gear : en fr
  • JPS4222627B1 - : ja
  • US2300451A - High-voltage power-supply system : en
  • US2301139A - Blowing air control for glassware forming machines : en
  • US2301046A - Clothes washer : en
  • DE727589C - Device for preventing the formation of slack in the hoist rope of hoists : de en
  • US2301144A - Wheel mounting device : en
  • DE712577C - Toys with figures that automatically step downwards on an inclined plane : de en
  • DE727540C - Turning device for internal combustion engines : de en
  • US2300573A - Chicken roost, nest, and litter carrier : en
  • US2301080A - Visor : en
  • US2300897A - Pressure switch : en
  • GB548994A - Improvements in liquid-cooling radiators : en
  • GB549081A - Improvements relating to the treatment of organo-silicols and products thereof : en
  • CA408388A - Well treating method : en fr
  • FR876391A - Solid fuel gasifier, combined with a scrubber for supplying internal combustion engines and in particular automobiles : en fr
  • CA408433A - Drill press driving mechanism : en fr
  • DE727622C - Fire lighter : de en
  • DE727505C - Compressed air spray gun for spraying with round, flat or wide jet : de en
  • DE727637C - Circuit arrangement for the elastic improvement of current surges in telecommunications systems, in particular in telephone systems : de en
  • US2300422A - Floating chair type seat : en
  • USRE22219E - zimmerman : en
  • GB549117A - Improvements in or relating to agricultural ploughs : en
  • US2300811A - Direction signal switch : en
  • US2300979A - Key holder : en
  • DE727600C - Quick release for parachute harness equipment : de en
  • US2301101A - Hot top : en
  • US2300457A - Automatic stock bar feed mechanism for automatic screw machines : en
  • US2300597A - Dialkyl cyanamide compound : en
  • US2300898A - Bedcover supporting device : en
  • FR876384A - Crocodile with elastic contact surface for signal repeater devices on locomotives : en fr
  • FR876395A - Powder for flashlamps and its method of preparation : en fr
  • US2300509A - Fastener with lockable camming hasp : en
  • US2300770A - Swing current generator : en
  • DE727586C - Hand-held device for dental treatment that can be connected to an electrical power supply : de en
  • GB548995A - Improvements in latches for doors : en
  • GB549098A - Improvements in street lighting devices : en
  • GB549114A - Improvements in or relating to agricultural implements : en
  • FR876494A - Speed acceleration and energy reduction device for cycles : en fr
  • US2300410A - Vitamin-containing emulsion and process of producing the same : en
  • US2300708A - Condenser motor : en
  • US2300784A - Means for assembling building parts : en
  • DE727499C - Securing unscrewed fastening screws against falling out of the parts to be fastened : de en
  • US2300411A - Merchandising and display box : en
  • US2300987A - Metallurgical apparatus : en
  • US2300771A - Fault locating equipment : en
  • FR876474A - Wood screws : en fr
  • US2300700A - Electric welding : en
  • US2300759A - Injection molding of synthetic materials : en
  • US2300448A - Proportional divider and calculator : en
  • US2301072A - Supercharger control : en
  • DK60297C - Air Renewal Apparatus for Living Room. : da en
  • FR876251A - Two-chamber oven for combined drying and reheating : en fr
  • GB549001A - A process for producing unsaturated alcohols and ethers : en
  • US2300611A - Stabilized insecticides : en
  • SE105845C1 - : en
  • US2300656A - Gang spot welder : en
  • US2300960A - Dynamometer control system : en
  • FR876378A - Installation for painting large areas by pressure spraying of the color : en fr
  • FR876453A - Gas mixer : en fr
  • GB548991A - Device for determining the centre of gravity and/or the weight of aircraft : en
  • USD134270S - Design for a mitten : en
  • DE727413C - Threshing machine with vacuum cleaner : de en
  • DE727561C - Confidentiality procedures : de en
  • USD134254S - Houston electric time switch : en
  • DE727581C - Aqueous leather covering paints : de en
  • FR876320A - Cross-thread winder with constant linear winding speed for unwinding delicate threads : en fr
  • FR876284A - Process for bleaching cotton and cotton articles : en fr
  • FR876354A - Process to prevent oxidation of negative plates in lead-acid batteries : en fr
  • DE727628C - Device for automatic control of the blowdown valve of boilers, evaporators, etc. like : de en
  • FR876380A - Axial compressor with recovery turbine : en fr
  • FR876471A - Improvements to mechanical contactors : en fr
  • US2300959A - Cathode for discharge devices : en
  • GB549093A - Improvements in or relating to razor blade packs : en
  • GB549105A - Automatic control systems for aircraft : en
  • GB549014A - Improvements in or relating to electrolytic cells : en
  • US2300986A - Antenna system : en
  • US2300487A - Outlet fitting for electric circuits : en
  • US2300876A - Radio receiving system : en
  • CA408389A - Earth or rock formation treating method : en fr
  • US2300681A - Resilient insert : en
  • CA408429A - Filter apparatus : en fr
  • US2300671A - Article of tableware : en
  • US2300734A - Process of making chroman compounds : en
  • CA408387A - Well treating method : en fr
  • US2300945A - Electric ship propulsion : en
  • DE727565C - Hydraulically working material testing machine with a throttle-like overflow device to keep the test load equal : de en
  • FR876433A - Improvements to selector switches for high frequency power lines : en fr
  • US2301121A - Oil filter : en
  • FR876441A - Process for preparing or improving substances to be washed and cleaned : en fr
  • US2300707A - Cop winding machine : en
  • US2300419A - Variable pitch propeller control : en
  • US2300456A - Toy shovel : en
  • US2301069A - Polishing machine : en
  • US2301149A - Accelerator of vulcanization and method of preparing it : en
  • FR876359A - Retort improvements for the continuous carbonization of coal and other similar materials : en fr
  • DK60294C - Procedure for Reducing Interference during Radio Reception by Compensation. : da en
  • GB549124A - Improvements in or relating to mechanism for raising and lowering the deck of transport vehicles : en
  • US2300490A - Concrete mixer construction : en
  • US2300804A - Knitting machine and needle therefor : en
  • US2300849A - Sulphuric acid manufacture and apparatus therefor : en
  • GB549051A - Improvements in trussed beams : en
  • FR876406A - Low compression fuel injection engine with electric spark plug or hot ball ignition : en fr
  • US2300722A - Hydraulic pressure fluid accumulator : en
  • US2301045A - Unit heater : en
  • DE727397C - Bergmaennisches blasting process : de en
  • US2300685A - Universal flight instrument : en
  • US2300955A - Process for the production of adipic acid and alkyladipic acids : en
  • US2300649A - Toy airplane apparatus : en
  • US2300789A - Filtering apparatus : en
  • US2301037A - Hydraulic brake lock : en
  • USD134242S - Lady s handbag : en
  • DE727098C - Printing device for data carriers to be evaluated automatically : de en
  • GB549088A - Improvements in carpet sweepers : en
  • US2300665A - Refrigerator car construction : en
  • US2300740A - Method of curing glue stock : en
  • US2300657A - Feeder pile control : en
  • US2300850A - Method of making welded clad tubing : en
  • US2301143A - Method of increasing production in the grinding of pigment pastes : en
  • US2301075A - Enamel lined beer barrel : en
  • US2300666A - Electric power cable : en
  • US2300398A - Pressure plastic applicator : en
  • US2300470A - Treatment of textile and other materials : en
  • US2300609A - Electrical musical instrument : en
  • US2300678A - N, n'-dimethylene-4, 4'-diaminodiphenyl sulphone : en
  • US2300704A - Machine for cleaning packed cans : en
  • US2301008A - Temperature conditioning apparatus : en
  • US2300606A - Coffee maker : en
  • US2301081A - Window curtain : en
  • US2300631A - Vehicle : en
  • US2300903A - Electrical ignition and fuel supply : en
  • US2300930A - Mineral wool : en
  • US2301095A - Hinge and method of making parts therefor : en
  • USD134237S - Instruction device or similar article : en
  • CA408328A - Fountain brush and tube holder : en fr
  • DE727596C - Luminous screen for electrical discharge vessels : de en
  • FR876377A - Fixed or mobile installation for spray painting of large surfaces : en fr
  • US2300563A - Grounding device : en
  • DE727639C - High voltage switchgear : de en
  • FR876491A - Drip distributor valve for supplying liquid fuel burners : en fr
  • US2300453A - Anthrapyridone dyestuffs : en
  • US2301060A - Oil burner : en
  • FR876323A - Method and device for treating balls of textile materials : en fr
  • DE727400C - Process for finishing, in particular hydrophobing, textile material : de en
  • DE727631C - Freezer for freezing food : de en
  • FR876312A - Container fitted with a delivery piston and a screw nozzle for impregnating holes drilled in the wood : en fr
  • GB549030A - Improvements in the utilisation of products of combustion for driving power plants and the like : en
  • FR876350A - Adjuster for counter-rotating air propellers : en fr
  • DE727602C - Split drop center rim for agricultural tractors : de en
  • DE727615C - Process for the production of carbon brushes : de en
  • CA408344A - Internal combustion engine : en fr
  • FR876398A - Transport plane : en fr
  • DE727424C - Equipment for tightening ski bindings : de en
  • FR876394A - Articulated joint for the ends, which face each other, of the three parts of the side members of a folding frame for a lounge chair fitted with a flexible top forming a hammock : en fr
  • US2300809A - Glow tube : en
  • US2300893A - Disconnecting contact : en
  • FR876497A - : fr
  • US2300564A - Process of purifying water and composition therefor : en
  • US2300858A - Bushing cap : en
  • US2301133A - Manually controllable and adjustable speed controlling means for tractors : en
  • AU335241A - Improvements in multiplex telegraphy : en
  • GB549020A - Improvements in or relating to flexible couplings or links : en
  • US2300643A - Sanding mechanism : en
  • FR876303A - Fuel meter for airplanes or other applications : en fr
  • DE727483C - Compressed gas switch : de en
  • CA408312A - Gyroscopes : en fr
  • US2300395A - Dust seal : en
  • US2301001A - Well superstructure : en
  • CA408359A - Radiometeorography : en fr
  • DE727381C - Method for manufacturing the support bodies for flange bearings provided with a bearing metal spout : de en
  • US2300458A - Ethyl cellulose molded article : en
  • GB549062A - Improvements relating to mechanical braking systems : en
  • US2301166A - Road scraper control : en
  • US2300943A - Process of alloying molybdennum with ferrous alloys : en
  • US2301124A - Making peroxidic compounds : en
  • DE727441C - Device for processing coal, ore or the like by means of low fluidity : de en
  • FR876434A - Process for the preparation of high-strength, very fast-hardening concrete, and concrete bodies produced by this process : en fr
  • AU418642A - Photographic emulsions : en
  • US2300577A - Artificial tooth : en
  • US2301052A - Polymerized hydrocarbon oils : en
  • US2300735A - Threshold plate : en
  • US2300830A - Automatic drawoff and automatic tensioning device for full-fashioned knitting machines : en
  • US2300873A - Induction motor drive : en
  • CA408421A - Yarn separator : en fr
  • CA408345A - Tooth brush receptacle : en fr
  • US2301011A - Electrode feeding mechanism : en
  • US2300498A - Inflation valve : en
  • US2300967A - Lathe : en
  • DE727548C - Anti-skid device on skis : de en
  • FR876269A - Chimney vacuum : en fr
  • FR876482A - Gasifier upgrading with charcoal dust and charcoal grain : en fr
  • FR876487A - Switch with snap-action opening and closing contacts : en fr
  • GB549038A - Hydrokinetic thrust bearings : en
  • US2301128A - Bag : en
  • US2300434A - Multiplex telegraph system : en
  • US2300925A - Illuminating device for pressers : en
  • US2301171A - Cutting machine : en
  • US2300528A - Glass forming roll : en
  • DE727533C - Thick-walled wooden tube : de en
  • DE727551C - Doepper : de en
  • FR876292A - Stopper with extraction device for unblocking bottles : en fr
  • FR876278A - Rotary cathode device for obtaining thick detachable deposits : en fr
  • FR876435A - Soft handlebars for cycles : en fr
  • US2300425A - Baby bed and stroller : en
  • GB549004A - Improvements in or relating to insect screens : en
  • US2300486A - Coal gas stoning range : en
  • US2300603A - Coin handling mechanism : en
  • US2300968A - Oil gasifier and burner : en
  • FR876365A - Method and machine for the manufacture of barbed wire : en fr
  • FR876277A - Centrifugal coupling for automatically engaging the first stage of a gear shifting with the engine of a motor vehicle : en fr
  • FR876444A - Furnace for charring wood : en fr
  • DE727407C - Roller conveyor grate for industrial furnaces : de en
  • DE727422C - Automatic oil bath lubrication for the differential and the toothed wheel drive to drive the rear wheels of a tractor : de en
  • DE727592C - Control drive for the valves of an internal combustion engine controlled by the cylinder head : de en
  • DE727460C - Safety device for foldable aircraft surface : de en
  • DE727363C - Flicker direction finder : de en
  • DE727487C - Device for the automatic activation of escalators : de en
  • FR876363A - Process for the production of gasifier gas intended for the propulsion of motor vehicles : en fr
  • GB549036A - Improvements in electric primary batteries : en
  • FR876437A - Folding trailer for cycles and other vehicles : en fr
  • USRE22217E - Dichloroalktxi ethers : en
  • US2301096A - Valve : en
  • US2300578A - Boiler drafting assembly : en
  • US2301031A - Valve : en
  • US2301058A - Licker grinder : en
  • US2300417A - Apparatus for cooling gas : en
  • US2300522A - Sheet glass drawing machine : en
  • US2300595A - Impression device : en
  • US2301063A - Pumping mechanism : en
  • DE727384C - Ventilation device, in particular for motor vehicles : de en
  • US2300715A - Multicolor proof press : en
  • US2300831A - Electrically operated pump mechanism : en
  • US2300816A - Superheater protecting wall : en
  • US2300551A - Stove : en
  • DE726428C - Elastic tubular waistband made of knitted fabric : de en
  • DE727557C - Process for the production of pyridine bases from gas water : de en
  • US2300660A - Carroting solution : en
  • DK60300C - Procedure for the manufacture of pressed articles. : da en
  • CA408350A - Meat block resurfacing machine : en fr
  • CA408443A - Railway car end : en fr
  • US2300510A - Regulating apparatus : en
  • US2300896A - Signal : en
  • FR876454A - Gas regulator : en fr
  • US2300575A - Selective supplemental printer : en
  • US2301014A - Shutoff valve : en
  • CA408414A - Slide fastener element moulding machine : en fr
  • DE727506C - Driving pipe for the production of piles : de en
  • GB549068A - Improvements in vapour and liquid contact apparatus : en
  • US2301007A - Constant temperature apparatus : en
  • US2300545A - Venetian blind : en
  • US2300819A - Machine for cutting cakes of ice into small blocks : en
  • US2300856A - Backwater control for sewers : en
  • CA408410A - Scraper bowl mounting : en fr
  • DE727618C - Monitoring device for booking machines electrically controlled by punch cards : de en
  • US2300659A - Lead resinates of hydrogenated : en
  • FR876271A - Improvements to cultivators and other agricultural implements : en fr
  • FR876285A - Process for the preparation of baked enamels and baked enamels and primers obtained by this process : en fr
  • US2300407A - Viner : en
  • US2301110A - Process of refining oil : en
  • US2301134A - Method of feeding molten glass : en
  • CA408363A - Hog weighing steelyard : en fr
  • US2300646A - Spark plug : en
  • US2301092A - Apparatus for spotting strips : en
  • DE727640C - Electric ceiling heating : de en
  • FR876294A - : fr
  • CA408419A - Sanding relay : en fr
  • FR876317A - Clasp device for bags, towels, suitcases, etc. : en fr
  • USD134256S - Design for a handbag : en
  • US2300449A - Removable lining for boxcars : en
  • US2300516A - Shearing tool : en
  • GB548989A - Improvements relating to high tension electric switches : en
  • DE727406C - Process for the preparation of acidic phosphoric acid esters of phenols : de en
  • GB549061A - Improvements in earth boring apparatus : en
  • US2300440A - Container : en
  • USD134271S - Design for a cap : en
  • DE727635C - Device for transmitting the route signals to rail vehicles : de en
  • US2300633A - Proportioning apparatus : en
  • US2300768A - Broiler : en
  • US2301098A - Power transmission : en
  • US2300557A - Vehicle spring suspension : en
  • AU383341A - Improvements relating to wax emulsions : en
  • US2300601A - Winch : en
  • US2300702A - Preparation of sulphanilylaminopyridine compounds : en
  • US2300615A - Dining car construction : en
  • DE727573C - Mobile antenna table for radio sets : de en
  • GB549032A - Improvements in means for reducing equalising oscillations occurring with multi-pole surges in electrical transformers : en
  • FR876420A - Device for pushing sheet metal : en fr
  • DE727544C - Motor vehicle with a change or other transmission, which is provided with a power take-off for an auxiliary device : de en
  • US2300412A - Package and display easel : en
  • FR876358A - Improvements to vertical retorts for coal carbonization and other similar applications : en fr
  • DE727459C - Buoyancy flap : de en
  • US2300396A - Nut rolling and shaping machine : en
  • US2300455A - Therapeutic bath cabinet : en
  • US2300881A - Varnish for printing inks and coatings : en
  • US2300590A - Conditioning of drilling muds : en
  • US2300530A - Circuit breaker : en
  • US2301013A - Making photographic silhouette records : en
  • DE694158C - Method and device for peeling seeds : de en
  • DE727627C - Method and device for combating crust formation in conductive containers such as steam boilers : de en
  • GB548992A - Improvements in or relating to electric-arc-welded joints : en
  • FR876372A - Dry gas meter : en fr
  • DE727365C - Device for generating speed-dependent control variables for the drive of objects : de en
  • CA408412A - Scraper lift mechanism : en fr
  • US2300670A - Electrical metal fusing apparatus and method : en
  • US2300966A - Chest : en
  • DE727567C - Rotary drill drive on the rope in the borehole : de en
  • US2300405A - Portable oven : en
  • US2300890A - Selvage-smoothing means for flatwork ironers : en
  • US2300871A - Adjustable sleeve pattern : en
  • US2300884A - Circuit interrupter : en
  • US2301109A - Process of refining oil : en
  • DE727644C - Ball bearings for the seat of swivel chairs : de en
  • GB549017A - Improvements in or relating to the crepe twisting of yarns : en
  • AU348441A - Method and apparatus for expressing oil : en
  • US2300909A - Reciprocating shower : en
  • US2300920A - Interpolymers of vinyl sulphonic acid with another vinyl compound and aqueous emulsions thereof : en
  • DK60303C - Cladding for Grating or Crushing Machines with Balls or similar Crushing Bodies. : da en
  • US2300480A - Folding derrick base : en
  • US2301030A - Dyeing apparatus : en
  • FR876348A - Linking system forming an articulation axis between a fork and an umbrella branch : en fr
  • FR876410A - Further training in the assembly of dental handpieces : en fr
  • US2300950A - Timer : en
  • DE727408C - United electromagnetic regulator switch device with three armatures for power generating systems, especially on vehicles : de en
  • FR876422A - Soap substitutes : en fr
  • DE727390C - Arrangement for enforcing a start and stop at the same speed for three-phase motors : de en
  • GB549066A - A device for connecting flush pipes to water-closet pans and for use in making like joints : en
  • US2301090A - Radio tuning mechanism : en
  • DE727580C - Switchgear with an arc protection cover above the busbars : de en
  • US2300630A - Vertical sliding door construction : en
  • US2300918A - Tailstock for cot applying devices : en
  • CA408367A - Rubber vulcanization accelerator : en fr
  • US2300791A - Method and apparatus for crimping textile fibrous material : en
  • US2300507A - Lockable loop hasp : en
  • US2300568A - Television system : en
  • US2300996A - Electric oscillation generating circuits : en
  • US2300860A - Kiln drawing means : en
  • US2300758A - Blading and balancing piston arrangement : en
  • US2300652A - Torque wrench : en
  • DE727554C - windmill : de en
  • FR876403A - Packaging for light-sensitive material, leaf-shaped : en fr
  • DE727442C - Pocket for pants and skirts : de en
  • GB549043A - Improvements in or relating to the manufacture of electric insulators : en
  • CA408440A - Bottle dispensing apparatus : en fr
  • USD134277S - Design for a textile fabric : en
  • DE727048C - Device for producing upholstery paper from several smooth paper webs : de en
  • FR876261A - Process for improving the qualities of gas generator gas, or other gases used as fuels : en fr
  • AU116078B2 - Machines for winding electric coils : en
  • DE727535C - Internal combustion engine with star-shaped working cylinders : de en
  • DE727358C - Device for guiding fabric, film or paper webs, especially in drying chambers : de en
  • DK60295C - Procedure for Manufacturing Tooth Replacement Pieces. : da en
  • US2300698A - Pattern controlled operation and apparatus : en
  • US2301065A - Circular knitting machine : en
  • FR876274A - Improvements to combustion engine starters : en fr
  • DE727431C - Electrical air protection with auxiliary contacts : de en
  • FR876349A - Method and devices for controlling the weight of fragmented materials or liquids taken from hoppers or tanks for mixing : en fr
  • US2300962A - Method and apparatus for heating buildings : en
  • USD134274S - Design fob a hat : en
  • US2300565A - Submarine detector : en
  • FR876347A - Advanced anti-theft locks : en fr
  • FR876446A - Double security lock : en fr
  • FR876291A - Progressive speed change for alternative control : en fr
  • US2300488A - Roofing with self-cementing butts : en
  • AU116034B2 - Improvements inthe purification of hydrogen : en
  • GB549057A - Welding transformer : en
  • DE727501C - Process for the production of X-ray secondary beam diaphragms : de en
  • FR876332A - Crude Oil Emulsion Dehydration Process : en fr
  • AU2498545A - Improvements in or relating to electron discharge devices employing hollow resonators : en
  • DE727495C - Threshing machine associated with a straw press : de en
  • DE727386C - Impact and shock transmission means, in particular pickers for looms : de en
  • GB548978A - Improvements relating to fluorescent electric discharge lamps : en
  • GB549087A - Improvements relating to gas fires and radiators : en
  • GB549125A - Improvements in and relating to electrical control systems employing vacuum tubes operating with secondary emission : en
  • FR876356A - Panel for construction and thermal insulation : en fr
  • FR876495A - Improved flax retting process : en fr
  • GB549090A - Improvements in or relating to composite metal castings : en
  • DE727470C - Electrical circuit arrangement for bucket chain and bucket wheel excavators as well as stackers etc. : de en
  • GB549025A - A device for attaching a magnifying glass or lens to electric-light shades or reflectors : en
  • US2300940A - Coupling system for carrier currents : en
  • US2300641A - Refrigerator car structure : en
  • FR876470A - Further training in drawing trains for spinning looms : en fr
  • FR876436A - Cutting machine for rusks and the like : en fr
  • US2300810A - Pressure responsive instrument : en
  • FR876343A - Fast process for preparing ethyl acetal : en fr
  • FR876430A - Device for transmitting adjustment movements : en fr
  • US2300594A - Method and apparatus for attaching sealing elements to containers : en
  • DE727385C - Scissors combined with several auxiliary tools : de en
  • GB548973A - Improvements in or relating to machines for operating upon the margins of boot or shoe soles : en
  • FR876484A - Method and device for polishing printing cylinders : en fr
  • US2300837A - Electric cooker : en
  • USD134236S - Design foe a dress : en
  • US2300842A - Louver for slant roofs : en
  • US2301078A - Window sash fastener : en
  • US2300790A - Electrical relay : en
  • GB549064A - Improvements in and relating to coin-operated ticket machines : en
  • FR876414A - Maneuvering device by reversing an electric motor : en fr
  • CA408371A - Photographic gelatine layer : en fr
  • US2301147A - Electric safety razor : en
  • FR876253A - Replacement material for rubber, leather, etc., and its manufacturing process : en fr
  • CA408428A - Plastic synthetic rubber composition : en fr
  • DE727529C - Method of starting an electric furnace for high temperatures : de en
  • FR876469A - Improvements to speed modulated tube circuits : en fr
  • US2300464A - Hose coupling : en
  • CA408379A - Textile material processing : en fr
  • CA408434A - Combined typewriting and computing machine : en fr
  • AU116039B2 - Photographic emulsions : en
  • US2301064A - Apparatus for use in the manufacture of sliding clasp fasteners : en
  • US2300745A - Pouring handle and carrier for jugs and the like : en
  • CA408320A - Cigarette making device : en fr
  • FR876315A - Process for purifying gases, in particular distillation gases containing carbon dioxide : en fr
  • CA408404A - Meat pie : en fr
  • DE727547C - Process for covering materials of any kind with a protective coating : de en
  • US2300696A - Coin chute : en
  • US2300933A - Locomotive drafting : en
  • US2300635A - Heel : en
  • US2300543A - Lacing machine : en
  • US2300727A - Juradiation of seeds : en
  • DE727634C - Arrangement of levers at railway safety devices : de en
  • US2301117A - Vulcanization of rubber : en
  • USRE22216E - Projection screen : en
  • FR876270A - Lick oscillation circuit capable of being tuned for waves of the order of one decimeter : en fr
  • DE727439C - Bucket wheel excavator for optional work in high and low cut : de en
  • FR876460A - Book cover imitating binding : en fr
  • DE727392C - Knife shaft for wood planing machines : de en
  • GB549128A - Improvements in or relating to weft stop motions for looms : en
  • GB549134A - Improvements in hydraulic mechanism for the operation of tractor-drawn agricultural implements : en
  • US2300672A - Dry shaver : en
  • US2300447A - Animated sign : en
  • US2300675A - Liquid control gear : en
  • FR876401A - Chemical container : en fr
  • GB549130A - Improvements in and relating to the construction of buildings huts, vehicle bodies and the like : en
  • FI19428A - Procedure for sugaring wood, straw and other substances containing hexosan and pentosan : en fi
  • FR876387A - Process for making oscillations visible, in particular for monitoring overmodulation in the constitution of sound recordings : en fr
  • GB549031A - Improved light-excluding ventilator for use in conjunction with "blackout" shutters ad/or screens : en
  • DE727598C - Movable weapon storage for aircraft : de en
  • US2300537A - Control system : en
  • US2300992A - Mercurated alkyl amides of dibasic phenylene acids and homologues thereof : en
  • GB549067A - Improvements in or relating to newspaper conveyors : en
  • FR876324A - Clutch device : en fr
  • US2300726A - Attachments to crutches : en
  • US2300751A - Manufacture of soap : en
  • CA408415A - Textile treatment : en fr
  • GB549008A - Method of and apparatus for reproducing a television picture with a cathode ray tube and separate light source : en
  • AU116061B2 - Improvements in and relating tonon-skid pneumatic tyres, applicable tothe formation ofother nonskid surfaces : en
  • CA408314A - Pump : en fr
  • FR876404A - Package for light sensitive photographic equipment, and method of manufacture : en fr
  • GB549056A - Improvements relating to sound records on films : en
  • DE727555C - Process for the production of glycerine by fermentation : de en
  • CA408337A - Wheel member : en fr
  • DK60309C - Track or Slides for Slides. : da en
  • US2301067A - Automatic laminating machine : en
  • US2300975A - Railway truck structure : en
  • DE727642C - Safety ignition device for gas burners : de en
  • DE727393C - Felt-like material and process for its manufacture : de en
  • CA408365A - Synthetic yarn sizing method : en fr
  • US2300658A - Universal joint : en
  • US2301164A - Floor grinder : en
  • US2300628A - Apparatus for treating the surfaces of storage battery plates : en
  • US2300931A - Metal-porcelain-glass vacuumtight structure : en
  • US2301022A - Electrochemical generation of electricity : en
  • US2300818A - Method for obtaining valuable products boiling largely within the gasoline range : en
  • USD134267S - Design for a game board : en
  • CA408439A - Engine fuel carburetting device : en fr
  • CA408317A - Vehicle stabilizer : en fr
  • CA408361A - Brake : en fr
  • US2300616A - Listing machine : en
  • US2300872A - Arc-back protective system : en
  • US2301119A - Stenciling machine : en
  • US2300587A - Adhesive : en
  • US2300746A - Clamp : en
  • US2300795A - Distress buoy and the like : en
  • CA408393A - Automobile frost shield : en fr
  • US2300394A - Pulse modulation system : en
  • US2300567A - Tube wall juxtaposing mechanism : en
  • US2300506A - Window construction : en
  • US2300574A - Air mixer for unit heaters : en
  • US2300580A - Air conditioning apparatus : en
  • US2300793A - Self-heating can : en
  • US2301049A - Crushproof button : en
  • US2300721A - Hydraulic machine : en
  • CA408422A - Pyrophoric lighter : en fr
  • FR876475A - Improvement in the identification of conductors on the connection strips : en fr
  • GB548985A - Improvements in means for producing or forming the peripheral profile of a grinding wheel : en
  • GB549122A - Improvements in current transformers : en
  • FR876383A - Process for improving the mechanical properties, and in particular the compressive strength, of cement, mortar and concrete : en fr
  • GB549045A - Improvements in or relating to copying lathes : en
  • DE727360C - Format setting device on the line transfer slide of a die setting and line casting machine : de en
  • DE727595C - Process for the optical sensitization of halogen silver emulsions : de en
  • GB549053A - Improved tampon applicator : en
  • US2300619A - Lock nut and method of making : en
  • FR876458A - Shea meal treatment process : en fr
  • GB549121A - Improved transfer for printing on rubber and method of application : en
  • DE727119C - Calculating machine, adding machine, cash register or similar machine : de en
  • DE727399C - Washer-extractor with drum drive by a motor driven by a pressurized fluid : de en
  • GB548971A - Improvements in or relating to shoe stiffeners and means for producing the same : en
  • US2300423A - Tape dispenser : en
  • US2300729A - Lawn broom : en
  • US2300742A - Measuring and control apparatus : en
  • DE727428C - Bucket chain catcher for excavators, spreaders or the like. : de en
  • US2300701A - Means for controlling relative : en
  • US2300999A - Electromagnetic inspection system : en
  • US2301068A - Proportional divider : en
  • DE727435C - Flat shaped piece for the production of a mask body of gas protective masks : de en
  • FR876415A - Escape anchor for watch movements : en fr
  • US2300504A - Lighting fixture construction : en
  • US2300474A - Welding system : en
  • US2300844A - Spring suspension : en
  • USD134253S - Design fob a htjkbicanei lamp : en
  • US2300687A - Fluid impelling device : en
  • US2300880A - Printing ink : en
  • US2300772A - Beehive : en
  • FR876262A - Improvements to gasifiers and more specifically to fireplaces and gas purifiers : en fr
  • US2300989A - Hinge construction for cabinets : en
  • US2301019A - Rolling ring work stand : en
  • DE727526C - Rotary switch with a disk-shaped star switch : de en
  • DE727623C - Device for spreading carbon dioxide snow from the snow-making room : de en
  • CA408346A - Bearing : en fr
  • FR876335A - Hollow tubular conduit for short waves : en fr
  • US2300692A - Tissue package holder : en
  • US2301123A - Abrasive grain : en
  • US2301135A - Toggle bolt : en
  • USD134246S - Design for a dress : en
  • DE727508C - Tube circuit arrangement for ultra-short waves : de en
  • GB549085A - Ultra-short wave antenna system : en
  • DE727454C - Device for measuring the size and direction of the thrust forces for propellers that work with blades moving relative to the propeller body and at a rate to its rotation : de en
  • DE727532C - Swinging conveyor basket connecting platform : de en
  • CA408398A - Valve structure : en fr
  • FR876334A - Device for controlling the automatic opening of a pop-top lighter : en fr
  • FR876390A - Process for producing condensation products from dicarbamide esters of glycols and their homologues and from formaldehyde : en fr
  • AU116036B2 - Improvements relating to wax emulsions : en
  • DE727564C - Transformer or choke coil with at least two wound iron core legs : de en
  • GB549080A - Improvements in knee protectors, elbow guards and the like : en
  • CA408327A - Radio system for aerial navigation : en fr
  • AU337441A - Improvements in valve operated variable reactors : en
  • US2300424A - Multiple differential : en
  • DE727593C - Chainwheel change gear : de en
  • US2300904A - Toilet seat : en
  • US2300915A - Flashlight stand or the like : en
  • US2300443A - Separable fastener : en
  • CA408442A - Train pipe connector : en fr
  • FR876368A - Image replacement device with a descent shaft and an image magazine connected to it : en fr
  • FR876309A - Device for adjusting the phase of carrier frequency transmission installations : en fr
  • US2300445A - Mordanting agent : en
  • FR876379A - Transportable transformer : en fr
  • US2301026A - Multiple-leaf filing folder : en
  • US2300788A - Lead base alloy and cable sheath composed thereof : en
  • FR876316A - Automatic Gravity Handling Vegetable and Fruit Dryers : en fr
  • US2300720A - Cushion drive coupling : en
  • GB548975A - Improvements in or relating to variable transmission gears : en
  • US2300617A - Radio receiving set : en
  • US2301145A - Two-way steering control mechanism : en
  • DE727498C - Auxiliary device for pricking boxes : de en
  • AU116062B2 - Improvements in or relating to end closures for explosive cartridges : en
  • CA408316A - Rail flaw detecting apparatus : en fr
  • CA408373A - Photographic gelatine layer : en fr
  • US2300882A - Vacuum tube : en
  • USD134248S - Portable barbecue broiler : en
  • US2300460A - Garment : en
  • US2300938A - Vacuum cleaner : en
  • US2301159A - Treating textile fibers : en
  • CA408401A - Dynamite cartridge primer tube : en fr
  • US2300971A - Catalytic dehydrogenation process : en
  • US2301087A - Cover for bottles : en
  • DE727626C - Process for the production of cyclohexanol in addition to cyclohexanone : de en
  • US2300465A - Electrical distribution system : en
  • DE727510C - Lighting device for automobile highways : de en
  • US2300413A - Soap and method of making : en
  • US2300524A - Oscillator : en
  • AU474842A - Device for measuring small direct voltages : en
  • CA408330A - Folding clothes rack and ironing board : en fr
  • DE727368C - Hook bar with spring-loaded suspension hook for hand towels and wipes, keys, etc. like : de en
  • DK60296C - Spring bud for sitting or reclining furniture. : da en
  • AU116060B2 - Radio receivers : en
  • US2300511A - Bale tying table : en
  • US2300679A - Spray nozzle : en
  • US2300787A - Stamp : en
  • US2300892A - Liquid cooled lamp : en
  • US2300935A - Rheostatic regulator : en
  • US2301044A - Catalyzed hydrocarbon reaction : en
  • DE727416C - Machine tool, in particular lathe or parting machine, with a setting device influencing the control device for the speed to keep the cutting speed constant : de en
  • US2300404A - Remote reading magnetic compass : en
  • US2300620A - Electrical protective device : en
  • DE727432C - Device for simultaneous grinding and brushing : de en
  • DE727560C - Device for the electrical detuning of an oscillation circuit : de en
  • DK60307C - Protective screen for Bicycles. : da en
  • DE727396C - Suspension for the rear wheel of single-track vehicles : de en
  • DE727490C - Method for fastening the reeds of reed frequency meters : de en
  • FR876500A - Loading mechanism for drying rods for pasta presses : en fr
  • FR876259A - evaporometer for dams : en fr
  • GB548988A - Improvements in or relating to hot tops for ingot molds : en
  • FR876464A - A method of manufacturing Persian stitch rugs applicable to the manufacture of all other knotted, tied or wound rugs and looms for carrying out this process : en fr
  • FR876257A - Gas generator, acetylene or other, for supplying explosion engines : en fr
  • FR876286A - Connection system for two-sided conversation control systems via loudspeakers : en fr
  • US2300605A - Electric flour sifter : en
  • US2300717A - Saw retoothing machine : en
  • GB548977A - Appliances for playing board games : en
  • FR876351A - Automotive headlights improvements : en fr
  • DE727159C - Automatic regulation of the air heating of railway vehicles : de en
  • DK60308C - Tap machine. : da en
  • GB548982A - Magnetic alloy of iron and aluminium : en
  • US2300644A - Electric waffle iron : en
  • US2300549A - Printing machine : en
  • DE727591C - Booking machine controlled by punch cards with two balancing units : de en
  • CA408394A - Torque-sustaining device : en fr
  • CA408332A - Interfitting machine parts assembly : en fr
  • CA408420A - Regenerated cellulose stiffening process : en fr
  • DE727421C - Swiveling landing gear for aircraft : de en
  • GB549072A - Honing safety razor blades : en
  • US2300473A - Ornamental display or container structure : en
  • US2300598A - Process of producing butene-2-diol-1, 4 and its substitution products : en
  • US2300905A - Door latch : en
  • GB549003A - Improvements relating to the production of isobutane and the like hydrocarbons : en
  • CA408352A - Air conditioning system : en fr
  • US2300416A - Soap and process for making same : en
  • FR876492A - Device applicable to typewriters allowing automatic control of strips of carbon paper sandwiched between each sheet of paper : en fr
  • DE727520C - Cooling system : de en
  • CA408321A - Electric motor wheel : en fr
  • CA408409A - High frequency coil core : en fr
  • DE727590C - Production of soft rubber-like hoses, plates, rods and Like. Made of polyvinyl chloride : de en
  • GB549010A - Facsimile telegraph system : en
  • US2300865A - Transmission mechanism : en
  • US2301167A - Receptacle carrier : en
  • FR876268A - Conveyor belt : en fr
  • US2300600A - Method of activating carbon : en
  • US2300802A - Bowling pin setting apparatus : en
  • USD134250S - Design foe a combined ldystick and holder : en
  • US2300965A - Method for treating mercury mines : en
  • US2300823A - Indicating device for well drills : en
  • US2301100A - Oil grooving machine : en
  • USD134238S - Foldable display container : en
  • US2300514A - Dial attaching device : en
  • US2300626A - Power amplifier : en
  • DE727258C - Auxiliary power device for disengaging and engaging the main clutches of two change gears driven in parallel power flow : de en
  • US2300870A - Electric lamp and mounting : en
  • US2300625A - Sheet feeding apparatus : en
  • FR876254A - Elastic metal tire wheel : en fr
  • GB549059A - Improvements in building material : en
  • US2300521A - Friction clutch with radial springs : en
  • FR876408A - two piece wheel fixing nut : en fr
  • DE727411C - Arc lamp, especially mirror arc lamp for the projection of lenticular films : de en
  • US2300526A - Cutting die : en
  • FR876416A - Speed variator : en fr
  • DE727401C - Process for matting textiles with pigment dispersions : de en
  • DE727471C - Culture facility for microbiological processes : de en
  • DE727550C - Reel drive for narrow ribbon looms : de en
  • US2300756A - Control field surface member : en
  • US2300467A - Gakmesot suppostek : en
  • US2300957A - Electric motor construction : en
  • US2300847A - Vacuum type radio antenna : en
  • US2300731A - Combination rake and stacker : en
  • FR876450A - Improvements to piston compressors for refrigeration uses : en fr
  • GB548996A - Improvements in dustpans : en
  • DE727523C - Ice box : de en
  • US2300525A - Register support : en
  • US2300952A - Pump foot valve screen : en
  • US2301009A - Artificial hand : en
  • FR876498A - Control device for heald frames for looms : en fr
  • GB549099A - Improvements in and relating to web-feeding and manifolding attachments for typewriters and the like : en
  • CA408349A - Clutch plate : en fr
  • DE727621C - Device on tools for cutting nail tips : de en
  • US2301165A - Machine for coating pipe : en
  • CA408374A - Photographic gelatine layer : en fr
  • DE727377C - Lid closure for vessels with opening on top : de en
  • FR876281A - Process for impregnating wood : en fr
  • US2301163A - High frequency tuned oscillatory circuit : en
  • US2300482A - Measuring instrument : en
  • FR876467A - Method for manufacturing stockings and socks and improvements made to rectilinear looms with a view to implementing this method : en fr
  • US2300662A - Carroting solution : en
  • US2300995A - Transverse expansion joint : en
  • DK60291C - Rotating Filter. : da en
  • AU116065B2 - Improvements in or relating to electric lighting units for industrial, street, or general lighting purposes : en
  • CA408382A - Dough twisting machine : en fr
  • US2300429A - Protective circuit for oscillators : en
  • US2300934A - Grass catcher : en
  • GB549082A - Improvements in or relating to holding devices for or containing anti-condensation preparations for application to the visors or eye-pieces of gas-masks or respirators : en
  • GB549116A - Improvements in and relating to electric measuring instruments : en
  • US2300680A - Gold dredger : en
  • GB549013A - Improvements in or relating to pressure fluid operated cartridges : en
  • US2300926A - Vibration fatigue apparatus : en
  • US2300776A - Plant propagator : en
  • FR876456A - Expandable register : en fr
  • FR876400A - Installation for handling sardines or other fish in canning factories : en fr
  • US2301113A - Heat exchange apparatus : en
  • US2300689A - Automatic priming pump and the like : en
  • US2300843A - Dirt remover : en
  • GB548993A - An improved let-off motion for looms : en
  • US2300426A - Glass melting furnace : en
  • FR876331A - Receiver of t. s. f. band dispersion for a number of relatively narrow frequency bands : en fr
  • US2300891A - Liquid conductor heater : en
  • US2300946A - Electric ship propulsion : en
  • CA408402A - Hydraulic shock absorber packing and sealing means : en fr
  • DE727647C - Wet drum gas knife : de en
  • FR876382A - Device for counter-rotating the shaft of winding cylinders in straight hosiery looms with picking : en fr
  • DE727359C - Process for making water-impermeable, but air-permeable fabrics : de en
  • US2300911A - Washing device : en
  • US2300669A - Ring spinning and ring doubling machine : en
  • US2300762A - Automatic motorcycle stand retractor : en
  • US2300741A - Method of pumfying j-picoline : en
  • US2300827A - Flotation of nonmetallic minerals : en
  • DE727636C - Blocking and monitoring device for routes, signals, switches, etc. like : de en
  • FR876301A - Hydraulic brake control unit for normal and differential braking of vehicle wheels : en fr
  • US2300634A - Tube coils : en
  • US2300775A - Communication system : en
  • US2301057A - Communicating system : en
  • US2301150A - Combined screen and blind : en
  • US2300583A - Sewing machine oil reservoir : en
  • US2300769A - Solid perfume : en
  • US2300902A - Merchandise display apparatus : en
  • GB549129A - Improvements in and relating to sanitary napkins : en
  • DE727455C - Method for determining the surface tension of stressed components that are particularly under static load : de en
  • DE727415C - Spring-loaded safety valve : de en
  • US2301114A - Optical projector : en
  • GB549028A - Earth inductor compass : en
  • US2300985A - Distillation : en
  • GB548974A - Improvements relating to the production of glass fibres : en
  • US2300483A - Pipe union : en
  • US2300907A - Adhesive : en
  • US2300399A - Tape feed control : en
  • US2300466A - Quiet flow retarding device : en
  • US2300562A - Fuel container sounding device : en
  • US2300754A - Self-lubricating bearing : en
  • US2300803A - Method of making instrument scales by photography : en
  • US2300438A - Well packer : en
  • US2300518A - Anchored piston ring assembly and piston ring anchoring device : en
  • AU116057B2 - Improvements in multiplex telegraphy : en
  • US2300779A - Automatic phonograph : en
  • USD134259S - Design for, a bracelet link or similar article : en
  • US2301016A - Machine for wrapping rolls of toilet paper and the like : en
  • US2301097A - Power transmission : en
  • FR876407A - Injection pump for engines incorporating a rotating jet injector and adjustable angular amplitude flow rate : en fr
  • CA408413A - Ground ripper : en fr
  • US2300639A - Typewriter fastener : en
  • US2300682A - Highway beam distributor : en
  • US2300462A - Folding machine : en
  • US2300552A - Nailing mechanism : en
  • US2301047A - Stiffening fabric : en
  • US2300499A - Eyeleting machine : en
  • DE719989C - Process for the production of coffee substitute extracts from toasted bread : de en
  • CA408340A - Metal cleaning and coating composition : en fr
  • US2300476A - Undergarment : en
  • US2301107A - Electrode holder : en
  • CA408425A - Cumulative register for thermal demand meter : en fr
  • DE727534C - Concentration process : de en
  • DE727559C - Arrangement for modulating or sensing very fast electrical oscillations : de en
  • US2300807A - Control device : en
  • AU116064B2 - An improved method and means of projecting images for eye testing : en
  • DE727511C - Curtain rod formed from a thin sheet of metal : de en
  • DE727524C - Switching of electric fan motors, especially for diesel-electric vehicles : de en
  • GB549073A - Improvements in screw propellers : en
  • GB549113A - Improvements in mechanical feeders for threshing machines : en
  • FR876287A - Device for limiting the maximum speed of motor vehicles : en fr
  • FR876297A - X-ray examination device : en fr
  • USD134260S - Combined battery charger and tester : en
  • US2300454A - Coated metallic article for use at elevated temperatures : en
  • US2300553A - Method of and apparatus for valving bags : en
  • AU227341A - Means to facilitate interstate rail traffic by eliminating transhipping : en
  • FR876302A - Manufacturing process of insulating lamellas for parts of electrical machines : en fr
  • DE727467C - Paper guide device for typewriters, typewriters and. like : de en
  • CA408377A - Collar manufacture : en fr
  • FR876318A - Improvements to electric heaters : en fr
  • FR876353A - Manufacturing process of reclaimed rubber : en fr
  • CA408405A - Record card reconditioning apparatus : en fr
  • DE727541C - To drive a supercharger for vehicle internal combustion engines serving exhaust gas turbine : de en
  • DE727436C - Control device for moving objects, especially guns : de en
  • DK60305C - Filter container for Dust and Gas Masks. : da en
  • US2301040A - Heat control system : en
  • US2301125A - Apparatus for vulcanizing floor mats : en
  • US2300496A - Wooden window sash : en
  • US2300613A - Street traffic control system : en
  • US2300719A - Refrigerator car construction : en
  • US2300472A - Coloration of artificial materials : en
  • US2300548A - Erecting means for gyroscopes : en
  • DE727482C - Method for the putty-free fastening of Kloeppeln to hanging insulators : de en
  • US2300964A - Magnetic core structure : en
  • US2300916A - Lamp circuit : en
  • CA408444A - Railway car end : en fr
  • DE727410C - Transformer with a radially or involute laminated column : de en
  • US2301157A - Curling appliance : en
  • US2300718A - Method of making reinforced padding supports : en
  • AU424542A - Improvements in or relating to semi-indirect lighting fittings : en
  • DK60293C - Method of Extraction of Vitamin E. : da en
  • FR876295A - Centrifugal coupling, more specially intended for the connection of a gear change stage with the engine of a vehicle : en fr
  • FR876361A - Concentric lick circuit likely to agree : en fr
  • CA408357A - Electric switch : en fr
  • AU332341A - Improved method and apparatus for preheating and/ or vaporising fuels : en
  • US2300604A - Spectacle case : en
  • DE727536C - Four-stroke star in-line engine : de en
  • FR876428A - High temperature resistant seal : en fr
  • US2300593A - Radio guiding system : en
  • CA408348A - Flushing apparatus : en fr
  • CA408386A - Earth formation treating method : en fr
  • CA408406A - Piston stroke adjusting means : en fr
  • CA408448A - Photographic emulsion layer : en fr
  • FR876328A - Ultra Short Wave Shock Grid Multiplier : en fr
  • US2300748A - Draft tube : en
  • US2300627A - Method of preparing storage battery plates : en
  • US2300988A - Motor control system : en
  • FR876486A - Manufacturing process of cement pipes : en fr
  • US2300645A - Resinous composition : en
  • US2301038A - Coupling : en
  • US2300508A - Toggle swung lockable hasp : en
  • CA408392A - Machine gun belt guideway : en fr
  • US2300393A - Method of increasing fluid perme : en
  • US2301130A - Pump : en
  • US2300397A - Shaving device : en
  • DE727527C - Process for the production of a quartz glass base for electrical discharge vessels : de en
  • CA408397A - Furnace radiator : en fr
  • FR876275A - Fully automatic gear shifting for motor vehicles and the like. : en fr
  • FR876300A - Process for the regeneration of vulcanized rubber products by nitrochlorobenzene : en fr
  • FR876396A - New cellulosic products and their manufacturing processes : en fr
  • GB548986A - Improvements relating to braking mechanism : en
  • US2300949A - Inking roller for printing presses : en
  • US2300863A - Delivery apparatus : en
  • US2300409A - Alarm system : en
  • US2300475A - Ventilating device : en
  • US2300673A - Secondary rack : en
  • US2300878A - Treatment of nonferrous catalysts : en
  • DE714553C - Frame trusses glued together from solid plywood webs and square timber girders : de en
  • GB549097A - Improvements in or relating to cooling systems for internal combustion engines : en
  • GB549000A - Portable electric tool motor construction : en
  • DE727462C - Mortise lock : de en
  • US2301005A - Manifold form : en
  • FR876463A - Mixed heating tunnel kilns : en fr
  • FR876375A - Shoe polishing and cleaning material and method of manufacturing this material : en fr
  • US2300446A - Rolling colter : en
  • CA408391A - Fumigant container : en fr
  • FR876451A - Polychromic printing process for fabrics and resulting new product : en fr
  • CA408331A - Headlight reflector : en fr
  • US2300623A - Index : en
  • FR876397A - Charcoal oven : en fr
  • US2300585A - Article attaching machine : en
  • US2300993A - Control device : en
  • GB549115A - Improvements in and relating to fluid-operated presses : en
  • US2300591A - Electronic scanning device : en
  • DE727419C - Process for heating milk in plate heaters with rotating agitator discs between the heating plates : de en
  • US2300699A - Ice-cutting machine : en
  • GB549091A - Improvement in hat making apparatus and method of operating same : en
  • US2300743A - Oven : en
  • FR876412A - Device for driving the tracks or traction bands of motor vehicles, in particular for road services : en fr
  • GB548969A - Improvements in or relating to the automatic control of the electrodes of electric welding apparatus : en
  • US2300857A - Overload protection for multispeed motors : en
  • US2301059A - Lawn mower : en
  • GB549027A - Improvements in the bobbin hoisting means of stranding machines : en
  • US2300981A - skolas : en
  • CA408322A - Hollow filament manufacture : en fr
  • US2300582A - Vehicle lamp : en
  • CA13363S - Muff bed form : en
  • CA408400A - Explosive cartridge : en fr
  • US2300889A - Flatwork ironer with selvage smoothing mechanism : en
  • US2300572A - Phthalocyanine sulphonic acid amides : en
  • US2300970A - Apparatus for printing subtractive multicolor images : en
  • USRE22215E - Semistiff collar : en
  • DE727376C - Liquid fuel gas turbine : de en
  • DE727430C - Circuit arrangement for telephone systems with main and sub-offices : de en
  • USD134251S - Design for a service flag : en
  • US2300883A - Method of recovering sodium hydroxide from alkaline wash liquors : en
  • US2300767A - Strip stock for timber reinforcing irons : en
  • US2301094A - Stock feeding mechanism for swaging machines : en
  • USD134244S - Embroidered trimming or similar article : en
  • CA408354A - Hydrogen chloride oxidation : en fr
  • DE727633C - Arrangement for approval requirements and command or approval deliveries for interlocking systems : de en
  • FR876423A - Safety device for the injection pump of internal combustion engines : en fr
  • GB549086A - Improvements in or relating to machines adapted for pulling fastenings, such as tacks or staples, from shoes : en
  • US2300828A - Dental cleansing device : en
  • US2300927A - Time limit contactor : en
  • FR876472A - Installation for the manufacture of gingerbread pavers or other blocks or food pâtés : en fr
  • US2300541A - Pressing machine : en
  • US2300763A - Portable well derrick : en
  • US2300906A - Method and apparatus for making fibrous containers : en
  • US2300928A - Engine starter gearing : en
  • US2301138A - Hurricane lantern for vehicles : en
  • DE674504C - Device for hanging up sausages : de en
  • GB549019A - Granular material classifier or purifier : en
  • US2300408A - Flood cover : en
  • US2300716A - Soldering iron : en
  • US2300400A - Heat corrosion resistant metallic material : en
  • AU301241A - Improvement in fluid pressure generation : en
  • CA408347A - Fexible coupling : en fr
  • USD134239S - Design for, a braiding : en
  • CA408447A - Condensation product manufacture : en fr
  • US2301085A - Electric heating unit : en
  • US2300908A - Reciprocating doctor for papermaking and allied machines : en
  • US2300690A - Continuous bag washing and drying machine : en
  • US2300505A - Selective system : en
  • FR876480A - Chipboard for construction : en fr
  • US2300655A - Attachment for adhesive tape holders : en
  • US2300974A - Molded article : en
  • US2300894A - Tongs : en
  • GB548980A - Improvements in or relating to sliding and folding doors, partitions and the like : en
  • FR876304A - High pressure electric discharge tube for lighting and irradiation applications : en fr
  • GB548979A - Improvements in or relating to a combined jack and lifting tackle : en
  • AU116052B2 - Improvements in and relating to mountings for tubular electric discharge lamps : en
  • DE727370C - Cantilever luffing crane with four-bar jib arranged on a truck : de en
  • DE727429C - Reinforced concrete structure, especially for girder bridges : de en
  • US2300924A - Filter : en
  • GB549040A - Improvements in lubricating greases : en
  • US2300428A - Parachute pack container : en
  • AU416742A - Photographic emulsions : en
  • CA408375A - Electric rate meter : en fr
  • GB549047A - Improvements in electrical signalling systems utilising trains of impulses for control purposes : en
  • US2300650A - Spool or bobbin : en
  • GB548968A - Improvements in or relating to signal transmission circuit arrangements : en
  • DE727509C - Central network simulation circuit to determine whether switches in electrical energy distribution networks may be operated : de en
  • FR876308A - Device for guiding the film of cinematographic devices not comprising anterior and posterior winding rollers : en fr
  • GB549112A - Preparation of tartaric acids : en
  • US2300494A - Apparatus for the extraction of juice from citrus fruits : en
  • FR876336A - Installation of automatic bandwidth regulation in receivers : en fr
  • DE727417C - Rocking jaw crusher : de en
  • US2301073A - Ventilation of rooms and the like : en
  • FR876307A - Process for producing nickel coatings on aluminum or aluminum alloy objects : en fr
  • FR876374A - : fr
  • GB549055A - Improvements in or relating to hooks and launching gear for boats such as ships' lifeboats : en
  • US2300403A - Addition agent for lubricating oils : en
  • FR876337A - Frame for so-called pocket lamps : en fr
  • FR876388A - Process for the preparation of crystallized sodium d-pantothenate : en fr
  • CA408369A - Organic plastic moulding method : en fr
  • DE727398C - Distribution and shut-off device for distribution pipes branched off from a downpipe for dry pourable material : de en
  • DE727452C - Discharge tubes, consisting of ceramic parts and a cylindrical anode made of metal and provided with annular cooling ribs : de en
  • US2300459A - Screen hanger : en
  • US2300559A - Microprojection apparatus : en
  • US2300703A - Container with integral spout : en
  • US2300406A - Operating handle : en
  • GB549048A - Improvements in or relating to control elements such as knobs, dials, switch handles and similar devices : en
  • US2300963A - Electric discharge lamp circuit : en
  • US2300435A - Machine for assembling fuses : en
  • US2300452A - Combined power supply and scanning generator system : en
  • US2300647A - Piston : en
  • US2300846A - Lightning arrester : en
  • US2301112A - Typewriting machine : en
  • US2301010A - Die for cutting and imprinting sheet material : en
  • USD134269S - Design for a calendar : en
  • DE727463C - Housing for Baskuel gear : de en
  • US2301021A - Thermochemical generation of electricity : en
  • US2300781A - Sheet work support : en
  • US2300444A - Roller : en
  • US2301170A - Electric motor : en
  • US2300984A - Table receptacle : en
  • US2301111A - Grinding apparatus : en
  • US2300614A - Liquid level gauge : en
  • US2300713A - Paper box machine : en
  • FR876293A - Schmidt optical system comprising a correction element : en fr
  • GB549101A - Improvements relating to nut devices : en
  • US2300737A - Card game apparatus : en
  • US2300869A - Adjustable pay-out reel assembly : en
  • US2300941A - Vapor-electric device : en
  • US2301118A - Condensation product of naphthol, aldehyde, and dithio acid and method of preparing it : en
  • DE724887C - Method and device for controlling the polar wheels of multi-pole synchronous machines working in parallel : de en
  • US2300695A - Sample holder for spectrophotometers and colorimeters and method of comparing optical reflecting powers of materials : en
  • US2300821A - Mop and the method of making the same : en
  • FR876290A - Advancement mechanism for machine tools : en fr
  • US2300725A - Emergency brake for vehicles : en
  • US2300805A - Drilling bit : en
  • US2300638A - Alternating current generator : en
  • US2301168A - Ironing machine : en
  • US2300854A - Tubing bottom : en
  • US2300664A - Multiplex system : en
  • FR876265A - Improvements to dyeing fabrics with pigments : en fr
  • DE727638C - Circuit arrangement for current impulses over sealed lines of telecommunications systems, in particular for the purposes of long-distance dialing in telephone systems : de en
  • US2300848A - Air tempering apparatus : en
  • DE727464C - Wood nailing machine : de en
  • FR876483A - Transportable semi-continuous self-carbonizer for wood waste or chopped wood with high water content : en fr
  • DE727418C - Method and device for the sterilization of foodstuffs to be sealed airtight in cans and to be exposed to the action of hot water in a pressure cooker : de en
  • US2300792A - Manufacture of rolls : en
  • US2300978A - Lint cleaning apparatus : en
  • US2300491A - Paperboard box or basket : en
  • US2301077A - Lever for loom box lifting mechanism : en
  • US2301056A - Timing device : en
  • DE727480C - Sealing compound for bushing insulators u. like : de en
  • US2300773A - Full automatic orientator and tip cutting apparatus : en
  • GB549126A - Improvements in or relating to the manufacture of screw thread gauges : en
  • US2301152A - Tractor : en
  • AU116035B2 - Apparatus for cleaning the surface of anodes : en
  • US2300589A - Animalizing cellulosic fibers : en
  • US2301074A - Closure lock and operator : en
  • FR876326A - Automatic shut-off valve : en fr
  • US2301028A - Power transmission : en
  • USD134257S - Design fob a coat ob similar article : en
  • US2301084A - Conveyer : en
  • DE727578C - Separation point for electrical wiring systems : de en
  • FR876273A - Electric cooking appliance : en fr
  • GB549133A - Improvements connected with lawn mowers : en
  • AU116047B2 - Method and apparatus for expressing oil : en
  • FR876445A - Razor blade sharpening device : en fr
  • GB549009A - Improved stone for building and decorative purposes : en
  • US2300622A - Alternating current generator : en
  • AU116050B2 - Improvements in or relating to semi-indirect lighting fittings : en
  • DE727545C - Cooling device for friction clutches, in particular for motor vehicles : de en
  • GB548967A - Manufacture and use of textile treating materials : en
  • US2300969A - Production of alkinols : en
  • US2301104A - Cable reel : en
  • USRE22218E - Circuit breaker : en
  • US2300838A - Stoker motor control : en
  • DE727603C - Automatic firearm : de en
  • DE727566C - Method of preserving sausages : de en
  • AU377641A - Improvements inthe purification of hydrogen : en
  • DE727576C - Distribution or fuse board : de en
  • US2300431A - Wheel dressing : en
  • US2301082A - Tool alloy : en
  • US2300540A - Method for use in attaching soles to shoes : en
  • US2300712A - Overrunning drive for lawn mower cutters : en
  • DE727474C - Process for obtaining alkali-free or low-alkali and iron-containing vanadic acid : de en
  • US2301156A - Ventilation system for portable power tools : en
  • US2300501A - Television system : en
  • US2300513A - Time switch mechanism : en
  • US2301025A - Rotary distributor for trickling filters : en
  • US2300531A - Remote control apparatus : en
  • US2300608A - Furniture : en
  • US2301103A - Method of preparing normal ferric sulphate : en
  • US2301115A - Electrical tachometer : en
  • US2301062A - Article made of sponge glass and method of manufacturing the same : en
  • FR876385A - Method of reproduction of relief applicable in particular in decoration and resulting products : en fr
  • GB549075A - Improvements in or relating to motor fuels and the manufacture thereof : en
  • FR876256A - Level controller : en fr
  • GB548976A - An improved check-freed cabinet for dispensing oil or other liquids : en
  • FR876449A - Strictly sealed shaft seal : en fr
  • GB549071A - Improvements in surface grinding machines : en
  • FR876289A - Device for determining the volume of gases or liquids in a tank partially filled with liquid and supplemented with gas : en fr
  • FR876322A - Device for treating metal workpieces with delicate surface in a working bath and in a complementary treatment bath following the previous one : en fr
  • DE727468C - Disc-shaped, piezoelectric oscillator made of quartz : de en
  • CA408396A - Railway switch and signal control system : en fr
  • CA408435A - Sintered friction article : en fr
  • CA408380A - Textile material processing : en fr
  • DK60304C - Coupling for eccentric presses, crank presses and similar work machines, which coupling is retractable in two steps. : da en
  • US2300427A - Glass melting furnace : en
  • US2300956A - Vending machine : en
  • US2301018A - Lens assembly for industrial safety helmets : en
  • FR876481A - Device for fixing metal wedges or other product on the heels of rubber or various materials shoes : en fr
  • US2300503A - Composite article : en
  • US2300840A - Utility bar : en
  • US2300495A - Mounting of specimens and the like : en
  • DE727607C - Installation on ski bindings with more than two toe guide jaws : de en
  • CA408416A - Textile treatment : en fr
  • CA408432A - Zirconium oxide opacifier : en fr
  • DE694916C - properties : de en
  • FR876346A - Improvements in the tracing of the advance cams of automatic bar turning lathes for long parts : en fr
  • US2300961A - Gas range structure : en
  • US2300602A - Machine gun ammunition feed : en
  • GB549033A - Improvements in stressed-skin structures for aircraft : en
  • GB549016A - Improved method of casting metal articles : en
  • GB549026A - Improvements in or relating to impact devices for deforming a piece of work or for crushing material : en
  • DE727538C - Torsional vibration damper, especially for crankshafts of internal combustion engines : de en
  • FR876426A - Swivel crossmember for high voltage line pylons : en fr
  • US2300914A - Replacement tool : en
  • US2301070A - Toaster : en
  • DE727481C - Process for creating metal-free areas in insulating materials metallized on a paint substrate : de en
  • AU338141A - Reciprocating facsimile apparatus : en
  • US2300479A - Interchangeable head, ratchet type socket wrench : en
  • US2300852A - Liquid vapor separating device : en
  • US2300610A - Barking drum : en
  • FR876267A - Process for the precipitation of cellulose derivatives from their solutions : en fr
  • DE727402C - Process for rearrangement of primary arylaminoglycosides into isosugar amine derivatives : de en
  • US2300529A - Refrigerator : en
  • USD134264S - Door chime or similar article : en
  • DE727217C - Switching device : de en
  • DE727373C - In particular high-speed two-stroke internal combustion engine with flat pistons working with direct current purging : de en
  • DK60310C - Coastal clothing. : da en
  • FR876342A - Contact device, in particular for current rectification : en fr
  • DE727641C - Generator gas firing with descending gasification for the generation of continuous fires from solid, gas-rich fuels, e.g. B. wood : de en
  • GB549094A - Improvements in or relating to polishing, grinding or like machines for treating wire, rods or the like : en
  • GB549118A - Improvements in and relating to hand trucks for transporting machinery and the like : en
  • US2300780A - Sulphated oil composition : en
  • US2300867A - Welding generator : en
  • US2300835A - Seal for valve stems : en
  • US2300566A - Process of preparing polymerization products : en
  • CA408333A - Sheaf binder : en fr
  • US2300497A - Galvanometer : en
  • DE727569C - Milling roller with wooden covering : de en
  • US2300481A - Machine tool : en
  • US2300764A - Automatic ash tray : en
  • US2301027A - Method of casting : en
  • DE727552C - Water column machine : de en
  • FR876305A - Insulated clamp for earth cable : en fr
  • FR876340A - Improvements to oscillating supports for bobbins, bobbin holders of all winders, doublers, collators and other similar machines : en fr
  • US2301153A - Zone heating system : en
  • US2301033A - Calculating device : en
  • CA408356A - Motor reversing circuit and switch : en fr
  • US2301154A - Moving stairway drive shaft alignment : en
  • AU116038B2 - Improved motor and compressor assemblage for electric refrigerators : en
  • CA408423A - Fertilizer : en fr
  • USD134268S - Design for a dress : en
  • AU336441A - Improvements in or relating to electric lighting units for industrial, street, or general lighting purposes : en
  • DE727609C - Horizontal chamber furnace with a channel in the furnace roof : de en
  • US2300879A - Mounting means for motors : en
  • GB549092A - Improvements in and relating to variable electrical inductance devices : en
  • US2300694A - Valve : en
  • US2300910A - Transformer : en
  • US2301066A - Athletic supporter : en
  • GB549034A - Improvements relating to feed water heaters : en
  • GB549104A - Improvements in electric torches : en
  • FR876264A - Heating and refrigeration process : en fr
  • US2300520A - Damper winding : en
  • US2300642A - Gas drawing apparatus : en
  • US2300661A - Carroting solution : en
  • US2301089A - Portable enclosure : en
  • US2301106A - Packaging : en
  • GB548998A - Improvements in and relating to rotary gear wheel pumps : en
  • FR876339A - Secret lock : en fr
  • GB549103A - Improvements in or relating to shutter operating mechanism of projection apparatus for transparencies : en
  • DE727449C - Relay circuit for an alternating current device that is fed from a direct current network by means of an inverter : de en
  • FR876338A - Process for increasing the service life of steel construction elements subjected to mechanical stress at high temperature : en fr
  • DE727378C - Torsional vibration damper for machine shafts : de en
  • DE727489C - Device for measuring torsional vibrations of a rotating shaft : de en
  • CA408311A - Addition agent for caustic alkali electrolytes used i the production of hydrogen and oxygen : en fr
  • CA408445A - Circuit opening and reclosing means : en fr
  • CA408418A - Decorated fabric : en fr
  • US2300546A - Dispensing device : en
  • US2300732A - Arc-welding generator : en
  • DE727404C - Process for the production of betaine-like constituted condensation products : de en
  • US2300433A - Ester of hydrogenated polymerized rosin and method of making the same : en
  • DE727443C - Device for introducing offset mountains : de en
  • FR876313A - Process for producing a composite panel and panel manufactured by this process : en fr
  • CA408334A - Exhaust fan : en fr
  • US2300401A - Vector calculating board : en
  • DE727446C - Washing machine with a paddle wheel to move the detergent solution : de en
  • DE727355C - Runner for sliding windows and doors with swiveling leaves : de en
  • FR876279A - Dental prosthesis process, and more especially for fillings using synthetic substances : en fr
  • DE727434C - Lateral relief of the spindles in screw pumps or screw motors : de en
  • DE727405C - Process for the preparation of p-methoxybenzyl alkyl ketones : de en
  • DE727437C - Control device for moving objects, especially guns : de en
  • GB549077A - Improvements in or relating to direct current electric motor control systems : en
  • DE727588C - Retraction for crane boom : de en
  • US2300829A - Calling line identification system : en
  • DE727528C - X-ray tube with focusing coil : de en
  • FR876389A - Set of transparent plates with a grid pattern intended to be used for copying images : en fr
  • US2300612A - Stabilized pyrethrum : en
  • DE727507C - Process for using the waste heat contained in exhaust gases to evaporate liquids : de en
  • USD134240S - Design foe a braiding : en
  • DE727433C - Process for the production of luminescent screens : de en
  • DE727512C - Electric contact : de en
  • GB549069A - Improved device for easily delivering paper, such as wrapping paper : en
  • FR876258A - High frequency systems using the propagation of electromagnetic oscillations in a guide of rectangular section : en fr
  • FR876296A - Improvements in manufacturing processes for sulfonamide derivatives : en fr
  • US2300714A - Radio shielded spark plug and the like : en
  • US2300808A - Device for use in knitting : en
  • US2301050A - Goggle : en
  • GB549007A - Rubber joints : en
  • DE727646C - Chair leg support part for converting an existing chair into a mobile chair : de en
  • US2301105A - Safety collar for drills : en
  • FR876314A - Centrifugal impeller intended to discharge and mix two liquids or two different gases : en fr
  • US2300710A - Universal flight indicator : en
  • FR876360A - Improvements in obtaining color photographs : en fr
  • FR876431A - Process for preparing carboxylic acids of the n-heterocyclic series : en fr
  • US2300798A - Variable voice delay network control : en
  • CA408366A - Rubber vulcanization : en fr
  • AU383441A - Improved means for securing a shoe upper tothe counter ofa last : en
  • CA408381A - Container capping mechanism : en fr
  • US2300500A - Box for packing lamp shades : en
  • US2300584A - Tube coupling : en
  • US2300450A - Apparatus for cleaning lubricant receptacles and the like : en
  • CA408376A - Steel containing tungsten : en fr
  • DE727451C - Lighting control device : de en
  • AU134607B2 - Improvements in or relating to electron discharge devices employing hollow resonators : en
  • AU335941A - An improved method and means of projecting images for eye testing : en
  • US2300544A - Machine and method for binding books : en
  • US2300550A - Means for preparing printing plates for application to printing cylinders : en
  • DE727391C - Formwork made of iron sheet metal panels provided with U-shaped surrounds : de en
  • DE727456C - Cooling for motor vehicles, aircraft and stationary systems according to : de en
  • DE727516C - Arrangement for theodolites used for tracking fast moving targets : de en
  • GB549065A - Improved process for grinding hard material : en
  • US2300859A - Door holder : en
  • GB549136A - Improvements in or relating to flash-light lamps : en
  • DE727356C - Process for the production of bodies from a wood mass mixed with binding agents : de en
  • US2301051A - Fire extinguisher : en
  • FR876457A - Improvements to gasifiers : en fr
  • DE727496C - Drum threshing machine : de en
  • US2301055A - Grinding wheel sleeve assembly : en
  • DE727556C - Device for emptying trickle cooling systems for cooling lignite and other debris : de en
  • CA408318A - Ditching apparatus : en fr
  • US2300796A - Vehicle wheel truck : en
  • US2300845A - Supporting package and display device : en
  • US2300868A - Electrical switching device : en
  • US2300814A - Indicating meter, particularly for radio navigational purposes : en
  • US2301086A - Stretch-wrap method and product : en
  • CA408411A - Scraper cable arrangement : en fr
  • AU116041B2 - Improvement in display package : en
  • CA408341A - Metal cleaning and coating composition : en fr
  • DE727444C - Ring float for lute tubs : de en
  • US2300939A - Process for refining lead : en
  • USD134272S - Fatherley etal textile fabric or similar article : en
  • CA408360A - Tank : en fr
  • GB548981A - Improvements in or relating to rollers for belt conveyors or other machines : en
  • US2300515A - Electron tube regulator : en
  • US2300760A - Molding of articles by reinforced synthetic resins : en
  • FR876367A - Cinematographic projector, in particular for narrow films : en fr
  • CA408326A - Valved coupling : en fr
  • US2301035A - Lens blocking device : en
  • FR876280A - New industrial product that can be used for the manufacture of construction materials, insulators, abrasives, etc., and all molded parts : en fr
  • CA408325A - Gauge : en fr
  • CA408383A - Tractor mower : en fr
  • DE727369C - Bootstrap : de en
  • DE727531C - Knife combined with a fork for one-handed use : de en
  • FR876321A - Ski glued to several blades : en fr
  • FR876402A - Process for covering solid bodies with strips of thermoplastic materials : en fr
  • US2301054A - Film feed : en
  • US2301162A - Phase-angle shifting means in directional relays : en
  • US2300477A - Roller skate : en
  • US2300561A - Adjustable seat construction : en
  • DE727350C - Lid closure for roll film cassettes and film developing boxes : de en
  • IE16355L - Dispersible sulphur preparation : en
  • DE727491C - Static gravity knife : de en
  • US2300783A - Furnace charging fixture : en
  • DE727427C - Drying device for long noodles : de en
  • DK60302C - Insulation body for pipes and similar objects. : da en
  • US2300953A - Interlock circuit for vertical door operators : en
  • US2301169A - Handle : en
  • GB549023A - Improvements in and relating to sectional glass-houses and garden frames and lights : en
  • GB549102A - Improvements in means for attaching collars to shirts : en
  • DE727518C - Composite excavator : de en
  • GB549042A - Improvements in and relating to transmission systems for sensitive instruments : en
  • FR876417A - Method for controlling electro-inductive annealing or hardening installations and automatic control device for its implementation : en fr
  • FR876421A - Improvements to chimney sweeps for boiler tubular bundles : en fr
  • DE727620C - Device for remote measurement of rotational speeds by means of current pulses controlled by the shaft to be measured : de en
  • US2301042A - Foldable display box : en
  • DE727539C - Spring turning device for internal combustion engines : de en
  • GB549052A - Improvements relating to railway traffic controlling apparatus : en
  • DE727549C - Device for alternately driving the shear drum and the chain beam of a shear and tree machine : de en
  • AU368241A - Improvements in and relating tonon-skid pneumatic tyres, applicable tothe formation ofother nonskid surfaces : en
  • GB549024A - Improvements in or relating to the production of dies and like press tools : en
  • DK60306C - Streamlined bodywork for Motor Vehicles. : da en
  • DE727493C - Manure spreader : de en
  • DE727484C - Arrangement for controlling an adjusting motor for clockwise and counterclockwise rotation : de en
  • GB549096A - Improvements in or relating to air preheaters for furnaces and the like : en
  • CA408390A - Well treating method : en fr
  • US2300991A - Electrical apparatus : en
  • DE727601C - Device for making instruments visible in vehicles, in particular in aircraft : de en
  • FR876345A - Linings, especially for friction brakes and clutches : en fr
  • US2301126A - Glare elimination apparatus : en
  • FR876319A - Water-insoluble azo dyes and process for their preparation : en fr
  • US2301146A - Steering mechanism : en
  • FR876462A - Process for discolouring tinted aluminum plates in the mass with a surface oxide layer : en fr
  • US2301142A - Composition for speeding up the making of pigment pastes : en
  • US2300730A - Ignition device : en
  • US2300739A - Insole : en
  • GB549063A - Improvements in dynamo electric machines : en
  • GB549095A - Improvements in or relating to bracelets for personal wear or like bands : en
  • US2300653A - Expansible anchoring device : en