• US2149873A - Power transmission device : en
  • DE672654C - Process for the production of patterns on pile fabrics : de en
  • DE672840C - Process for the production of variable mass resistors with curved resistance characteristics : de en
  • US2149998A - Traffic detector : en
  • US2150103A - Method and mechanism for separating intermixed divided materials : en
  • AT155731B - Holder for repair needles with air drive. : de en
  • AU363037A - Improvements relating to the cooling or conditioning or air for circulation in cool storage chambers and for other purposes : en
  • AT155692B - Device for displaying the exhaustion status of gas filters and protective devices. : de en
  • AT155712B - Process for the production of semiconductor coatings. : de en
  • AT155746B - Divisible bowden cable. : de en
  • AU248638A - Improvemennts in or relating to circuit arrangements comprising an electric gas discharge tube : en
  • CA379966A - Connector plug assembly apparatus : en fr
  • FR838638A - Process for the preparation of aqueous solutions with a low freezing point : en fr
  • US2149319A - Treatment of human hair : en
  • US2149720A - Sealed shipping case : en
  • FR838605A - Improvements to current supply devices for electric discharge devices : en fr
  • GB501847A - Electrical apparatus in solid compound filled chambers : en
  • AT155669B - Hat shape and method of making it. : de en
  • US2149687A - Holder for chips and playing cards : en
  • US2149848A - Screw and nut device : en
  • US2150061A - Wall construction : en
  • US2149410A - Demand meter : en
  • US2149606A - Dampening roll for lithographing presses : en
  • CA379938A - Motor fuel processing : en fr
  • CA379942A - Coating apparatus : en fr
  • US2149787A - Method of treating pistons : en
  • GB502001A - Drop hammer lifting means : en
  • US2149905A - Lead for pencils, color pencils, copying pencils, or the like and process for manufacturing the same : en
  • DE672894C - Loading attachment for the bowl holes of brick kilns : de en
  • US2149312A - Rope making machine : en
  • USRE21022E - Vibration damper : en
  • US2149287A - Electric meter : en
  • US2149567A - Hold-up for textile machinery : en
  • US2149934A - Air flow control for underfeed stokers : en
  • US2150106A - Camera : en
  • USD113649S - Design for an airplane : en
  • DE672478C - Process for boiling sugar juices and filling masses in cooking devices without mechanical agitators as well as for mashing filling masses : de en
  • GB501957A - Improvements in vibratory electric motor apparatus : en
  • GB502103A - Method of and apparatus for sterilising liquids and gases : en
  • IE15373L - Medicinal carbonaceous substance : en
  • GB502045A - Improvements in or relating to ornamental sheet materials : en
  • GB502076A - Improvements relating to armchairs, settees and the like : en
  • GB502090A - Improvements in and relating to illuminated signs, and devices for use therewith : en
  • GB502095A - Improvements in or relating to stays and like supporting devices : en
  • US2149639A - Bun filling device : en
  • DE672653C - Intermediate annealing before extrusion of rotational hollow bodies into another shape : de en
  • CA379870A - Telephone system : en fr
  • CA379918A - Frozen confectionery moulding apparatus : en fr
  • AT155714B - Device with an electric discharge tube. : de en
  • US2149408A - Memorandum device : en
  • US2149741A - Structural assembly and unit and method of making : en
  • FR838511A - Improvements to telephone systems : en fr
  • GB502018A - Method of and means for manufacturing seamless hollow articles, such as projectile shells : en
  • DE672887C - Photographic camera with central shutter and auxiliary shutter serving as light protection : de en
  • US2149936A - Fumigation system : en
  • US2149957A - Cribbing : en
  • DE672855C - Process for the production of nitrogenous, alkali and acid-resistant products : de en
  • AT155693B - Device for displaying the exhaustion status of gas filters and protection devices. : de en
  • AU106724B2 - Improvements in or relating to cathode ray tube television transmitters : en
  • US2149272A - Car truck : en
  • US2149288A - Adjustable damping armature for watt-hour meters : en
  • US2150005A - Dental separator and matrix holder : en
  • AT155724B - Twisting spindle for slip-on bodies with large bore. : de en
  • CA379984A - Necktie support : en fr
  • US2149617A - Method and apparatus for handling acidic solutions : en
  • US2149642A - Disconnecting switch : en
  • US2149827A - Lightning arrester : en
  • US2149930A - Nozzle for spraying devices : en
  • US2149337A - Rotary pump : en
  • GB501796A - Improvements in or relating to cemetery and like memorials : en
  • GR8034B - TUBE JUICE SUCKER. : el en
  • US2150079A - Lubricating composition : en
  • US2149769A - Reflector for display cases : en
  • US2149890A - Tooth brush : en
  • US2150083A - Plate clutch : en
  • US2150122A - Sliding vane compressor : en
  • US2149765A - Photochemical purification of acetic acid : en
  • US2149671A - Process for purifying carbon black which has been formed on ironcontaining contacts : en
  • US2149779A - Pictorial representation : en
  • USD113695S - Design for a dress : en
  • US2149368A - Sifter : en
  • US2149590A - Rug scrubber : en
  • US2149822A - Cutting machine : en
  • US2150052A - Photoresponsive apparatus : en
  • FR838530A - Vehicle intended to travel on the roadway, having two or more wheels and operated by the arms and legs : en fr
  • US2149385A - Pane fastener : en
  • DE672823C - Method and apparatus for reducing the space taken up by a parked aircraft : de en
  • DE672756C - Cutting torches provided on both sides with a support with a ball mounted in a pan : de en
  • DE672758C - Booking form : de en
  • FR838442A - Non-discontinuous variable transmission ratio gear transmission mechanism : en fr
  • US2149452A - Elevator control mechanism : en
  • DE672675C - Heat exchanger, consisting of a number of sheets placed on edge : de en
  • DE672913C - DF receiver for receiving the differential voltage between two antennas : de en
  • US2149423A - Piston : en
  • US2150048A - Level : en
  • DE672678C - Non-slotted electrical connector pin : de en
  • DE672708C - Sieve vibrating rapidly in a closed path in a vertical plane : de en
  • DE672825C - Device for raising and lowering window sashes that can be raised parallel to the window level : de en
  • FR838517A - Briquette for heating applications : en fr
  • GB501900A - Improvements in and relating to presses for the hot pressing of nuts : en
  • US2149588A - Vacuum cleaner : en
  • US2150020A - Collar holder : en
  • DE672749C - Breast pump : de en
  • DE672836C - Device for the production of carbon disulfide : de en
  • FR838515A - Vacuum installation, in particular for the metallization of objects : en fr
  • GB501920A - Improvements in or relating to luminous discharge tubes : en
  • GB501978A - Improvements in and relating to free chain hoists : en
  • DE672626C - Process for the preparation of nitro dyes : de en
  • DE672798C - A receiving device of a remote control system which is connected to an alternating current network and is intended for the execution of work processes : de en
  • GB501980A - Improvements in or relating to the manufacture of golf, hockey or like balls : en
  • GB501902A - Improvements in and relating to memoranda tablets or pads, diaries and the like : en
  • FR838441A - Photographic enlargement and printing machine : en fr
  • GB501789A - Cowling for aircraft engines or for radiators or the like for aircraft engines : en
  • GB501949A - Improvements in or relating to devices for cutting and clamping the needle thread ofsewing machines : en
  • AU106761B2 - Improvements inthe connecting means for rails : en
  • AU398038A - Improvements in setting mechanisms for the lenses in photographic apparatus : en
  • DE672635C - Register carburetor with several individual carburetors : de en
  • DE672656C - Process for the processing of solutions of per compounds on hydrogen peroxide : de en
  • DE672655C - Spaces or towers exposed with fillers : de en
  • DE672612C - Reversible compressed air drive for conveyor systems in the mine with gear motor : de en
  • GB502097A - Expansible or adjustable gate for passage-ways : en
  • US2149603A - Refrigerator shelf : en
  • CA379905A - Alternating current shunt motor : en fr
  • DE672601C - Aileron control for aircraft using collision surfaces : de en
  • DE672774C - Wall box for electrical installation equipment with a flange-like over the box edge protruding, the built-in equipment supporting cover plate or frame : de en
  • US2150040A - Apparatus and method for making mineral wool : en
  • DE672621C - Thermal, electromagnetic and manual installation self-switch : de en
  • GB501879A - Improvements in aircraft : en
  • DE672638C - Panic dryer : de en
  • US2149388A - Controllable pitch propeller : en
  • US2149841A - Electric resistance : en
  • US2149883A - Heat treating furnace : en
  • US2149942A - Coil forming machine : en
  • USD113614S - Design for a spoon or similar article : en
  • US2149531A - Rocess for treating mineral oils : en
  • GB501778A - Improvements in or relating to packages : en
  • DE672604C - Display device for underwater sound devices with a revolving indicator generated by a light source and created by a slot effect : de en
  • US2149892A - Thermostatic device : en
  • AU106773B2 - Automatic control means for water heaters : en
  • US2149345A - Earth boring apparatus : en
  • US2149366A - Method and apparatus for uniting printing webs : en
  • FR838573A - Strap belt particularly intended for ptosis : en fr
  • GB501910A - Improvements in or relating to the covers of cycle and like saddles : en
  • AU296538A - Improvements in method of manufacturing cast iron and product thereof : en
  • FR838525A - Combined portable infantry shovel : en fr
  • FR838565A - Constant flow spinning pump : en fr
  • US2150107A - Tractor wheel : en
  • FR838550A - Starter group consisting of a compressed gas machine and a centrifugal force starter for internal combustion engines, applicable in particular in airplanes : en fr
  • GB502167A - Improvements in and relating to electrodes for therapeutic purposes : en
  • FR838406A - Double-sided tape drive for spinning, twisting and similar double-sided textile machines : en fr
  • DE672744C - Electric travel iron with switching device for connection to different operating voltages : de en
  • US2149324A - Friction element : en
  • US2149704A - Thrashing cylinder with radial bars and safety teeth : en
  • US2150113A - Method of and apparatus for controlling fluid fuel burners for boilers : en
  • US2149705A - Magazine pencil : en
  • FR838438A - Manufacturing process of new monoazo dyes : en fr
  • GB501995A - Improvements in or relating to supercharged two-stroke internal combustion engines : en
  • USD113631S - Design for a grand piano : en
  • DE672602C - Fresh air heater : de en
  • FR838484A - Improvements to the rules for calculating masonry brick devices : en fr
  • US2149938A - Elevator : en
  • US2149270A - Coffee maker : en
  • US2149483A - Friction element and method of making same : en
  • US2149628A - Telephone transmitter : en
  • US2149604A - Collapsible form : en
  • US2150059A - Loom : en
  • FR838404A - Improvements to the control of electrons in electron tubes to obtain short, powerful and clearly limited current pulses : en fr
  • GB502062A - Zinc containers for dry battery elements and process for making same : en
  • GB501878A - Improvements in and relating to socks : en
  • AT155660B - Feeding device on packing machines for cigarettes. : de en
  • AT155742B - Device for mass balancing in crank drives. : de en
  • AU106777B2 - Diode oscillator tube construction : en
  • GB502145A - Improvements in kilns for producing wood charcoal, and in their method of operation : en
  • US2149493A - Treatment of hydrocarbons : en
  • US2149574A - Solvent extraction of waxy oils : en
  • US2149609A - Fluid dispensing apparatus : en
  • US2149664A - Arch supporting shoe : en
  • AU106776B2 - Improvements in or relating to vibratory interrupter devices : en
  • FR838414A - Device for automatic piloting towards vehicles, in particular aircraft : en fr
  • GB501923A - Improvements in the pawls or detents of ratchet chain hoist blocks : en
  • GB502146A - Improvements relating to domestic fire grates or stoves : en
  • GB501864A - Improvements in or relating to sleeve valves for two-stroke internal combustion engines : en
  • AT155654B - Machine for closing bottles using caps, especially tear-off caps. : de en
  • US2149982A - Internal combustion engine : en
  • US2149666A - Electrical toy airplane : en
  • FR838592A - Adjustment device for oil burner : en fr
  • GB502142A - Method and apparatus for the production of compounds, mixtures and alloys : en
  • FR838471A - Headquarters improvements : en fr
  • FR838534A - Mechanism for stretching textile wicks with two endless sleeves. : en fr
  • FR838578A - Construction process for vehicle bodies : en fr
  • DE672718C - Synchronous rectifier, consisting of at least two contact carriers rotating around parallel axes in time with the supplied alternating current : de en
  • DE672606C - Wind power machine with slewing mechanism : de en
  • FR838597A - New amine oxides : en fr
  • DE672805C - Pressure atomizer for toilet fluids : de en
  • FR838630A - Aeronautical machine : en fr
  • GB501944A - Improvements in or relating to shock absorbers for use in vehicle suspension devices : en
  • US2149513A - Power transmission : en
  • US2149768A - Reflector for display cases : en
  • US2149776A - Potato digger chain : en
  • US2149833A - Means for preparing a roll of paper for high speed pasters : en
  • AT155729B - Writing or drawing device. : de en
  • AU106713B2 - Improvements in or relating to devices comprising an electric discharge tube ofthe beam type : en
  • US2149311A - Rat trap : en
  • US2149635A - Lighting fixture : en
  • US2149297A - Suspension for vehicles : en
  • CA379983A - Non-glare headlight : en fr
  • US2149321A - Mechanical movement : en
  • US2149670A - Carbonator : en
  • US2149681A - Control device : en
  • US2149739A - Tablet and suppository press : en
  • DE672796C - Receiver with automatic shrinkage control : de en
  • DE672907C - Process for making lampshades from mesh : de en
  • US2149988A - Inkstand : en
  • AT155662B - Process for the manufacture of metal coated molded glass articles. : de en
  • US2149313A - Tank : en
  • US2149555A - Low-pressure alarm for tires : en
  • US2149760A - Insulator clamp : en
  • US2149880A - Soil opener for planting bulbs and the like : en
  • AU106771B2 - Improvements in electrodes for high-pressure mercury-vapour discharge devices : en
  • US2149269A - Lime slaking process : en
  • US2149480A - Process of manufacturing pig iron : en
  • FR838599A - O-oxycarboxylic acid arylides and dyes derived therefrom : en fr
  • US2149557A - Fountain pen : en
  • AU72038A - Method of and apparatus for eliminating spurious signals in television transmission systems : en
  • US2149945A - Mounting for seat structures : en
  • DE672856C - Process for the production of hormones with protein character : de en
  • FR838567A - Cinematographic projector : en fr
  • DE655540C - Device for repairing castings by fluid means : de en
  • DE672722C - Device for filtering and oligodynamic sterilization of liquids : de en
  • US2149712A - Bearing : en
  • US2149972A - Automatic toaster and method of controlling the same : en
  • US2149989A - Inkstand : en
  • GB501887A - Improvements in or relating to rubber surfaced structural elements : en
  • FR838518A - Improvements to aircraft control devices : en fr
  • US2149546A - Flotation agents and process of concentrating ores therewith : en
  • US2149902A - Method of making vibration insulators : en
  • GB502063A - Improved method and apparatus for treating substances with electric discharges to facilitate chemical reactions therein : en
  • AU106762B2 - An improved method of mounting grid-shaped electrodes inan electric discharge tube and tubes produced in accordance with such method : en
  • US2149304A - Lyophilic biologically active substances : en
  • US2149364A - Buckle : en
  • DE672603C - Arrangement for locating noise-causing vehicles at night : de en
  • GB501765A - Process and device for the supply and withdrawal of heat for granular material in chemical, especially catalytic furnaces and the like : en
  • US2149482A - Fisherman's live bait cage : en
  • DE672816C - Control device for the supply of roller mills : de en
  • FR838642A - New skill game : en fr
  • US2150115A - Image elimination receiver : en
  • DE672659C - Mobile walking beam stove for glow stoves : de en
  • DE672738C - Direction finder : de en
  • GB501921A - Improvements in ambulance stretchers : en
  • DE672870C - Device for generating torsional vibrations by means of an electrical machine : de en
  • GB501968A - Improvements in or relating to devices for cooling brake drums : en
  • US2149455A - Television transmitting apparatus : en
  • US2149980A - Method and apparatus for controlling furnace combustion : en
  • US2150102A - Circuit breaker : en
  • US2149280A - Preparation of aromatic dinitriles : en
  • GB501909A - Improvements relating to cigarette packets : en
  • GR8043B - GAME LAYOUT AND TABLE OF USE OF IT. : el en
  • GB501780A - Spark plug : en
  • DE672647C - Control device for an auxiliary power device, in particular for switching the gear change transmission of motor vehicles : de en
  • GB502034A - Adjustment mechanism for use with the cylinders of printing machines : en
  • US2149528A - Lath fastener : en
  • US2149797A - Tube inflating device : en
  • US2149843A - Treatment of chemical pulp : en
  • US2149627A - Hair curler : en
  • DE672801C - Electrical wave filter with several blocking and transmission ranges, whose damping and / or wave resistance function is derived from the damping or wave resistance function of a wave filter with only one transmission range : de en
  • FR838577A - Buffer : en fr
  • US2150075A - Regulating device for internal combustion engines supplied by fuel injection : en
  • DK55901C - Procedure for the production of oxyketones of the saturated or unsaturated androstane series or their derivatives. : da en
  • GB501899A - Improvements in or relating to electric lamp sockets : en
  • GB501905A - Process for the manufacture of metal tubes, by push bench apparatus : en
  • US2150041A - Means for supporting the meeting ends of railroad rails : en
  • DE672742C - Fast switching vacuum contact relay : de en
  • DE672881C - Furniture that can be used for various purposes : de en
  • US2149523A - Cigarette or cigar holder : en
  • USRE21021E - Vibration damper : en
  • DE672850C - Device for adjusting the height of a vertically arranged shaft for agitators, washers o. : de en
  • GB501760A - Improvements in radio and like receivers : en
  • FR838622A - Advanced tedder fork : en fr
  • GB501855A - Manufacture of azo-dyestuffs : en
  • FR838458A - Wetting plug cap : en fr
  • US2149632A - Automatic switch as used in telephone systems : en
  • US2149895A - Springing : en
  • US2149949A - Wagon : en
  • US2149924A - Tobacco manipulating machine : en
  • GB502089A - Improvements in or relating to electrical remote control systems : en
  • DE672853C - Melting furnace for the production of precious stones : de en
  • GB501898A - Dead beat cylinder escapement for clockwork time fuses : en
  • US2149810A - Scraper for oil well tubing : en
  • US2150051A - Photoresponsive apparatus : en
  • DE672414C - Process for separating ammonia and hydrogen sulfide from distillation gases : de en
  • DE672652C - Machine for producing a cigarette rod with mouthpiece inlays : de en
  • DE672741C - High-voltage test transformer with bushing insulators inserted into the walls of the transformer tank : de en
  • DE672876C - Process for the production of curled rayon threads during spinning pot spinning : de en
  • DE672712C - Mobile device for renewing the track bed : de en
  • FR838460A - Detachable flag stand : en fr
  • GB502023A - Apparatus for the common operation of heat radiators, more particularly incandescent lamps and electric discharge tubes : en
  • GB501925A - Improvements in or relating to jars or like containers : en
  • US2149665A - Fastener : en
  • FR838429A - Method and device for increasing acoustic intensity in microphone receptions : en fr
  • DE672826C - Sports boots : de en
  • FR838473A - Process for drying and cooling adsorbents : en fr
  • GB501771A - Improvements in or relating to extensible and collapsible ladders : en
  • GB502066A - Improvements relating to filling and venting devices for electric accumulators : en
  • AT155696B - Process for the production of cellulose threads from viscose solutions. : de en
  • AU268638A - Improvements inthe connecting means for rails : en
  • AU106709B2 - Improvements in apparatus forthe manufacture of sheet glass : en
  • GB501991A - A packing case for chairs or the like : en
  • GR8051B - QUICK INTEREST PRESS TABLE. : el en
  • US2149343A - Signaling system : en
  • US2149575A - Door mounting mechanism : en
  • US2149377A - Apparatus for capping bottles : en
  • US2149544A - Multiform stationery strip : en
  • US2149644A - Showcase sliding door mounting : en
  • US2149729A - Automatic temperature control : en
  • USD113663S - Design fob an electric control : en
  • US2149909A - Gear lapping machine : en
  • GB501794A - Improvements in and relating to methods of illumination and electric discharge lamps therefor : en
  • GB502007A - Improvements in or relating to blood irradiating apparatus : en
  • GB502070A - Improvements relating to rotary engines : en
  • FR838520A - Improvements to mosaic electrodes used in cathode ray apparatus for television or similar applications : en fr
  • USD113689S - Design for a medium range load car : en
  • GB501928A - Improvements in or relating to mattresses : en
  • US2149783A - Terrace channel checking device : en
  • US2150044A - Frequency selective network : en
  • US2149318A - Compound curler : en
  • US2149599A - Means for cushioning and preventing : en
  • US2150019A - Booster mechanism : en
  • DE672776C - High performance fuse : de en
  • DE672795C - Signal transmission system with two transmission paths in which blocking devices controlled by the signal streams are switched on : de en
  • GB501946A - Improvements in or relating to pneumatic tyres : en
  • GB502053A - Improvements in or relating to spectacle and eyeglass cases : en
  • GB502061A - Process for the manufacture of a chloride of carbon : en
  • US2149623A - Compression engine for vehicles : en
  • GB502022A - Improvements relating to the producing of smoke-like vapour, chiefly as a wind indicator : en
  • DE672866C - Terminal strip for electrical lines with single plug-in terminals : de en
  • US2149266A - Spraying device : en
  • FR838593A - Improvements in the construction of rotary drum filters and extension of their use to recovery and concentration : en fr
  • GB501885A - Improvements in, and connected with, thermally-tripped automatic circuit breakers and similar electrical switchgear : en
  • US2149487A - Half-tone engraving and apparatus for and method of making the same : en
  • US2149584A - Hose valve : en
  • US2149944A - Strip sealer for wrapping machines : en
  • IE15459L - Collapsible cartons. : en
  • US2149777A - Anatomical injector and aspirator : en
  • US2149356A - Wave transmission network : en
  • DE672917C - Airspace-insulated high-frequency line : de en
  • FR838410A - Wire brushes and their manufacturing methods : en fr
  • GB501773A - Improvements in brakes for cycles and the like : en
  • FR838449A - Double-walled lock gate and water passages : en fr
  • GB501935A - Improvements relating to electric time switches : en
  • GB501961A - Improvements in or relating to corsets : en
  • GR8038B - PERFECTIONS IN OR IN RELATION TO A PERSON WITH A HEAD COVER EXCLUDED FROM THE ENTIRE EXTRACTING HAIR. : el en
  • AU106738B2 - Improvement in recovery of values from zinc concentrates : en
  • FR838612A - Diaphragm overflow valve for oil lines : en fr
  • GB501858A - Improvements in transmitting stations for distant control systems : en
  • GB502151A - Improvements in or relating to apparatus for controlling the interconnection of two three-phase electrical systems : en
  • GB501967A - A process for the preparation of imidines and acylamidines and/or their tautomers : en
  • AT155713B - Method for operating power converters. : de en
  • DE672166C - Electric arc furnace with rotating drum : de en
  • DE672639C - Cheese making additives : de en
  • GB501927A - Improvements relating to the production of amines : en
  • DE673514C - Photographic apparatus with a labeling device located directly in front of the layer support : de en
  • GB501938A - Improvements in liquid fuel burners with a rotary and blown flame : en
  • GR8053B - PULLS FOR SLIDING DOOR OR SIMILAR. : el en
  • GB502046A - Improvements in electrical insulation : en
  • DE672605C - Device for sealing : de en
  • FR838591A - Rotary duplicator : en fr
  • GB502057A - Improved protective coatings for tanks for liquid fuels : en
  • US2149396A - Joint construction for concrete roads : en
  • GB501983A - Process for the manufacture of copying paper : en
  • DE672714C - Circuit arrangement for generating an alternating current for the purpose of alternating current selection in telephone systems : de en
  • FR838561A - Cigars or cigarettes with flammable ends for self-ignition : en fr
  • US2149781A - Safety device for ladders : en
  • US2149901A - Burglar alarm : en
  • DE672709C - Lifting table system for sheet metal rolling mills : de en
  • GB501996A - Improved method of and apparatus for locating distant objects such as aircraft : en
  • DE672879C - Pack for making permanent hair waves : de en
  • AT155676B - Automatic table shifter. : de en
  • DE672680C - Time switch : de en
  • FR838446A - Safety device to detect ground losses and prevent certain frauds in electricity distribution networks : en fr
  • CA379862A - Oil soluble phenolic condensate : en fr
  • DE672899C - Arrangement for grid control of metal vapor or gas discharge paths : de en
  • US2149859A - Vulcanization accelerator : en
  • CA379972A - Wheel disc : en fr
  • FR838576A - Improvements to machines for slitting throat uprights in soles for louis xv heeled shoes : en fr
  • GB501970A - Improvements in or relating to windows having metal sashes : en
  • US2149545A - Electric pump : en
  • US2149565A - Damper : en
  • US2149716A - Orientation apparatus : en
  • US2149867A - Delivery control mechanism for bins : en
  • US2150008A - Brake lever : en
  • US2150111A - Method of making wheel structures : en
  • AU106710B2 - Improvements in or relating to fluorescent screens for braun tubes : en
  • CA379977A - Candle accessory : en fr
  • US2149420A - Stove : en
  • US2149662A - Mineral oil sulphonates : en
  • US2149697A - Noise suppressor system : en
  • US2149800A - Conversion of hydrocarbon oils and gases : en
  • USD113656S - Design for a coat : en
  • GB501881A - Improvements in high-pressure metal-vapour electric discharge lamps : en
  • GB501952A - An improved collapsable structure for furniture and the like : en
  • GB502058A - Improvements in or relating to devices for securing anti-interference caps on sparking plugs : en
  • AU210638A - Improvements in apparatus forthe manufacture of sheet glass : en
  • DE672599C - Process for removing viscous basic slag from a rotary kiln : de en
  • GB502064A - Improvements in electrolytic condensers : en
  • DE672839C - Hybrid circuit, especially for telephone and telegraphy intermediate amplifiers : de en
  • DE672846C - Mobile belt conveyor u. Like. With a swinging and lockable, suspended internal combustion engine : de en
  • DE672594C - Time relay with current-dependent delay : de en
  • US2149274A - Method of making rugs, and frame therefor : en
  • US2149919A - Shaping machine : en
  • US2149346A - Cigar perforator : en
  • US2149605A - Steaming device : en
  • AU74938A - Improvements relating to knitted articles : en
  • DE672728C - Bridal wreath, children's wreath, hair accessories, etc. like : de en
  • DK55910C - Depth soldering machine. : da en
  • AU69538A - Improvements in or relating to cathode ray tube television transmitters : en
  • GR8052B - PILOS FROM SCRIPTURES OF KASTORI AND SIMILAR USE IN THE PILOPOI. : el en
  • DE672747C - Process for tanning hides and skins : de en
  • US2149698A - Dispensing container : en
  • US2149855A - Safety pull rod coupling : en
  • US2150049A - Smoking pipe : en
  • USD113648S - Design for a piano bench : en
  • USD113674S - Design for a combination deess : en
  • US2149984A - Automatic show card printing device : en
  • US2150116A - Vehicle side bearing : en
  • GB501907A - Improvements in wafer biscuit containers for dispensing ice cream or other confections : en
  • CA379884A - Tellurium recovery : en fr
  • US2149913A - Perforated fabric : en
  • CA379954A - Iron ore processing : en fr
  • DE672707C - Machine for exerting an impact or rubbing effect on shoes : de en
  • US2149987A - Washing machine : en
  • AU106751B2 - Improved amplifying systems using negative feedback : en
  • US2150039A - Preparation of organic compounds : en
  • DE672847C - Press head for the production of lead pipes with overlapped seam : de en
  • AU297738A - Improvements in tractor wheel grips : en
  • AU240438A - Improvements in automatic brush operating mechanism for repulsion-starting induction electric motors : en
  • CA379910A - Hand brake lever : en fr
  • DE672873C - Arrangement to protect three-phase series motors against overload at low speed : de en
  • GB502079A - Improvements in rotary blowers : en
  • US2149619A - Float controlled electric switch : en
  • DE672610C - Process for the pressure hydrogenation of pasted carbons : de en
  • US2149701A - Method of making shoes : en
  • AT155664B - Device for generating a rotary movement by means of current pulses. : de en
  • US2149300A - Distribution and temperature control in chemical reactions : en
  • DE672590C - Heat exchanger, consisting of individual sheet metal plates placed on top of one another : de en
  • US2149289A - Material handling apparatus : en
  • US2149445A - Dispensing and closing device for tablets, pills, and the like : en
  • US2149908A - Garment hanger : en
  • US2150053A - Mercury contactor : en
  • US2150080A - Wall plug : en
  • US2149429A - Lawn broom : en
  • US2149251A - Electric flatiron with self-acting safety device : en
  • US2150072A - Process of making zinc oxide : en
  • CA379903A - Reduction gear : en fr
  • FR838535A - Lag screw for fixing rails to wooden sleepers, without base plate : en fr
  • US2149351A - Refining and stabilization of motor fuel : en
  • US2149767A - Rotary engine abutment and operating means therefor : en
  • US2149774A - Machine for sharpening lawn mowers : en
  • US2149854A - Treatment of hydrocarbon oils : en
  • AU106778B2 - Boiling water heater with infusion device for beverages : en
  • US2149303A - Liquid measuring device : en
  • US2149518A - Line holding device : en
  • CA379861A - Display and delivery cabinet : en fr
  • GB501846A - Improvements relating to surgical splints : en
  • GB501853A - Improvements in or relating to power transmission and remote control mechanism : en
  • US2150069A - Berry picking sleeve : en
  • GB501893A - Improvements relating to voltage regulating equipment : en
  • GB501993A - Telescopic clothes props : en
  • AT155685B - Electron multiplication electric discharge device. : de en
  • AU106756B2 - Improvements in or relating to radio beacon receivers mobile craft : en
  • DE672568C - Typewriter : de en
  • DE672751C - Process for the production of inorganic insulating bodies : de en
  • AT155679B - Circuit for receiving and / or amplifying electrical vibrations. : de en
  • AT155735B - Duplicator with automatic sheet feed. : de en
  • FR838601A - Improvements to electric heating elements : en fr
  • GB502067A - Improved manufacture of aeroplane stays or like hollow bodies : en
  • US2149842A - Oil burner control : en
  • US2150056A - Safety razor : en
  • GB501894A - Improvements in or relating to navigation aiding radio transmitters : en
  • GB501839A - Improvements in the automatic control of electrically driven winding reels : en
  • GB501950A - Improvements in warp beams : en
  • FR838472A - Automatic adjustment device, according to the prescribed program, of the power in the electrical networks : en fr
  • FR838620A - Method for surface bonding to paper sheets of different shrinkage, in particular cellulose hydrate sheets containing photographic images : en fr
  • FR838468A - Improvements to dyeing or decoration in general of textile fabrics : en fr
  • FR838582A - Device for supplying direct current circuits using devices with asymmetric conductivity : en fr
  • DE672623C - Cooling arrangement for closed electrical machines : de en
  • US2149866A - Wringer head mechanism : en
  • DE672918C - Airspace-insulated high-frequency line : de en
  • US2149402A - Air control device for combustion apparatus : en
  • DE672598C - Process for the desulfurization and purification of cooled distillation gases produced from lignite or other fuels with a lower calorific value : de en
  • FR838588A - Board game : en fr
  • GB502009A - Improvements relating to means for steadying liquid in tableware and like open drinking vessels : en
  • GB502168A - Improvements in electrical measuring instruments : en
  • DE672922C - Moving grate with high inherent resistance : de en
  • FR838604A - Improved shoe and how it is made : en fr
  • GB501845A - Improvements in or relating to machines organized for pressing breast flaps on shoe soles against heels : en
  • US2149871A - Oil burner control variable resistance operated stack switch : en
  • US2149566A - Toaster : en
  • GB502027A - Improvements in or relating to headlamps for vehicles : en
  • USRE21023E - Radio receiving apparatus : en
  • US2150086A - Oil gauge line wiper and brake : en
  • US2149680A - Filter : en
  • GB501782A - Improvements in and relating to chairs, settees and like articles of furniture : en
  • FR838541A - Folding device suitable for ordinary sewing machines : en fr
  • GB501781A - Improvements relating to the recovery of solvents : en
  • DE672693C - Device for determining the size ratio of different parts of an X-ray image : de en
  • US2149400A - Packaging machine : en
  • US2149641A - Explosively actuated press : en
  • DE672761C - Method and apparatus for feeding tobacco to a rod forming apparatus : de en
  • GB501903A - Improvements in and relating to coreless induction furnaces : en
  • US2149387A - Electron relay apparatus : en
  • US2149730A - Door latching mechanism : en
  • US2149861A - Welding apparatus : en
  • US2149805A - Electrical structure : en
  • US2149383A - Ear muff : en
  • USD113697S - Design for a textile fabric : en
  • DE672748C - Process for the production of leather tanned with vegetable, mineral, synthetic or other tanning agents : de en
  • US2149260A - Method of preparation of dinitroethyleneurea : en
  • US2150126A - Fastener unit : en
  • US2150017A - Method of and apparatus for forming glass tubes, rods, and the like : en
  • USD113626S - Design fob a lamp : en
  • US2149703A - Azo dyes : en
  • DE672642C - Cinema equipment : de en
  • DE672834C - Push-button control for opening and closing the drain valve body of a sink, bathtub and the like. like : de en
  • GB501872A - Instrument for measuring electrical pressures : en
  • DE672820C - Double cassette : de en
  • AU414737A - Improvements in and relating to pulverizing mills : en
  • US2150071A - Dynamo-electric machine control : en
  • US2149677A - Toy : en
  • GB501897A - Improved process for the intramolecular dehydrogenation of aromatic nuclei : en
  • FR838402A - Method and devices for detecting sound sources : en fr
  • GR8041B - MANUAL POWDER HOOD. : el en
  • US2149294A - Hydraulic pistion packing : en
  • FR838454A - Improvements to synthetic processes : en fr
  • US2150066A - Trailer hitch and frame : en
  • GB501818A - Improvements relating to cutters for shearing machines : en
  • GB502247A - Improvements in road traffic control systems : en
  • DE672892C - Cleaning roller for spinning machines : de en
  • DE672821C - Film reel : de en
  • FR838455A - Improvements to tungsten alloys with ferrous metals : en fr
  • FR838487A - Device for transporting groups of cigarettes in the packaging box : en fr
  • US2149426A - Rail frog : en
  • SE95002C1 - : sv
  • US2149997A - Fire alarm thermostatic contact : en
  • US2149684A - Ship's hatch cover : en
  • US2149991A - Method of lining hollow articles with rubber : en
  • US2150096A - Process for applying cellulose derivative lacquers : en
  • US2149719A - Electric outlet box : en
  • US2149979A - Dyeing of mineral materials : en
  • US2150033A - Support and reel structure for table tennis nets : en
  • DE672723C - Device for preventing the mold halves from slanting on compressed air casting machines : de en
  • FR838587A - Rational shoe for skiing and other pedestrian sports : en fr
  • GB502410A - Improvements in photographic make-up : en
  • US2149853A - Electric switch : en
  • DE672710C - Process for the production of condensation products : de en
  • FR838564A - Circulation cooling device for electrical machines : en fr
  • FR838646A - Speed governors for turbines and other engines : en fr
  • DE672641C - Advertising or display device : de en
  • US2150000A - Welding electrode : en
  • AU52939A - Improvements in and relating to safety ignition devices for gas burners : en
  • FR838411A - Ice Cream Making Machine : en fr
  • FR838425A - Decorative or advertising signs : en fr
  • AT155707B - Transmission device for telegraph receivers, registration devices, etc. like : de en
  • GB501982A - Improvements in or relating to sheet-feeding mechanism for calculating, accounting and like machines : en
  • US2149427A - Sursurface exploration : en
  • GB502073A - Improved electrocardiograph : en
  • US2149990A - Humidity control for refrigerated spaces : en
  • AU106727B2 - Improved manufacture of amine resins: the application thereof as base exchange bodies orthe like : en
  • US2149329A - Coated cellulosic fabric : en
  • AU109386B2 - Improvements in or relating to icecream containers or holders : en
  • US2149394A - Aligning device for welding casings : en
  • US2149735A - Photosensitive measuring instrument : en
  • US2149844A - Tubular structure embodying welded joint and method of making the same : en
  • AU26238A - Improvements in or relating to a method for the production of artificial silk : en
  • CA379909A - Engine fuel supply varying means : en fr
  • AU106745B2 - An improved method of indicating the field intensity of signals employed for radio direction finding purposes : en
  • US2149613A - Sign plate and method of making same : en
  • FR838500A - Locking system for removable wheel devices for cycles, motorcycles, airplanes or the like : en fr
  • FR838645A - Process for the manufacture of sulfuric acid : en fr
  • GB502172A - Improvements in or relating to variable-inductance tuning devices for radio apparatus : en
  • US2149786A - Miniature bowling game apparatus : en
  • US2150068A - Process for the obtainment of : en
  • US2149339A - Mold fixture : en
  • GB502082A - Improvements in or relating to inductive heating with low frequency : en
  • GB501786A - Improvements in or relating to machines for consolidating the surfaces of roads or the like by vibration : en
  • FR838423A - Assembly intended for delayed automatic volume adjustment in devices such as t receivers. s. f. : en fr
  • GB501963A - Improvements in motor vehicle bodies : en
  • DE672634C - Switching device for electric motors, in particular for driving calculating or accounting machines : de en
  • DE672911C - Illuminated liquid level indicator, especially for steam boilers : de en
  • DE672771C - Process for the production of a mixed fertilizer containing potassium nitrate and urea : de en
  • DE672851C - Device for electrolyte circulation in water decomposers, in particular pressure decomposers : de en
  • USD113686S - Design for a dress ensemble : en
  • DE672609C - Bayonet-like lid lock for laundry presses : de en
  • US2149446A - Fire extinguisher : en
  • US2149775A - Brake operator for trailers : en
  • US2150026A - Starter for internal combustion engines : en
  • FR838486A - Device for the correction and adjustment of optical devices : en fr
  • GB501955A - Apparatus for the mixing of liquids : en
  • AU104238A - Process for the manufacture of carboxylic acids of the cyclo-pentanopolyhydro-phenanthrene-series and their derivatives : en
  • CA379921A - Decorative light : en fr
  • GB501892A - Improvements in and relating to the hardening, annealing and the like of articles of metals or alloys : en
  • GB502101A - Improvements in or relating to electric discharge vessels and processes for the production thereof : en
  • AU106755B2 - Split cathode multiplier : en
  • US2149752A - Process of producing high saturation oils : en
  • US2149602A - Pump : en
  • AU101839A - The manufacture of benzene sulphonic acid derivatives : en
  • US2149981A - Slicer : en
  • US2150125A - Gas and liquid pumping and separating apparatus : en
  • AU259038A - Improvements in or relating to sleeve cuffs : en
  • AU106695B2 - Means and method of generating a pulse ina cathode ray tube : en
  • DE672676C - Bayonet lock with clamping effect for valve protection hoods of pressure bottles : de en
  • CA379874A - Electron discharge device stem : en fr
  • US2149633A - Draft apparatus : en
  • US2149502A - Continuous interleaved record supplies : en
  • USD113651S - Design fob a : en
  • US2149421A - Safety razor adjustment device : en
  • AU64739A - Improvements in anti-friction bearings for cutting, grinding, drilling and like machines : en
  • DK55915C - Device for Saddles for Bicycles, Motorcycles and similar Vehicles. : da en
  • US2149265A - Purified alcohol sulphates and process of making the same : en
  • US2149477A - Marine water tube boiler : en
  • AT155734B - Comb with teeth that can be pushed out of a housing. : de en
  • DE672703C - Drive for Waelzfluegelflugzeug : de en
  • AU240738A - Improvements in or relating to icecream containers or holders : en
  • CA379902A - Railway car : en fr
  • GB501857A - Adjustable muff or screen for motor vehicle radiator : en
  • GB502339A - Improvements in or relating to machines for blowing hollow glassware : en
  • AU202138A - Improvement in recovery of values from zinc concentrates : en
  • GB501873A - New or improved means for carrying out medical tests : en
  • US2149393A - Combustion control : en
  • US2149622A - Connector : en
  • CA379916A - Brake drum : en fr
  • DE672882C - Coupling device for parallel pipes in metal pipe frames : de en
  • FR838465A - Improvements to circuit breakers : en fr
  • GB501863A - Improvements in or relating to apparatus for and method of filling a receptacle with plastic edible material, for example semi-frozen ice cream : en
  • GB502036A - Improvements in or relating to gearing for steering mechanically propelled vehicles and for other purposes : en
  • DE1459242U - : de
  • DE672737C - Feedback device for beacon signal transmitter : de en
  • GB501917A - Improvements in or relating to control devices comprising a galvanometer : en
  • DE672819C - Method and device for inserting identification strips into the sheet stacks of cross cutters : de en
  • DE672864C - Contact surface on electrically conductive parts made of aluminum and aluminum alloys : de en
  • GB502043A - Improved electrocardiograph : en
  • AT155721B - Weft knitted fabric, process for its production on the flat weft knitting machine and flat weft knitting machine for applying the process. : de en
  • CA379881A - Container : en fr
  • US2149577A - Distillate oil from still residues : en
  • US2149286A - Polyamides : en
  • US2149336A - Inductive device : en
  • US2149785A - Machine set : en
  • USD113622S - Design for a closet : en
  • AT155684B - Arrangement for the visible comparison of the amplitudes of two characters with different energy content, especially the toggle characters used in target flight receivers. : de en
  • AT155748B - High frequency cable with several concentric lines for the transmission of high frequency currents higher than 50,000 Hz. : de en
  • CA379914A - Tobacco stemming and threshing machine : en fr
  • CA379915A - Cigar shaper moistener : en fr
  • AU106739B2 - Improvements in automatic brush operating mechanism for repulsion-starting induction electric motors : en
  • AT155666B - Measuring mark for space image rangefinder. : de en
  • DE672637C - Arrangement of heat exchange plates : de en
  • US2150054A - Ultraviolet lamp : en
  • DE672701C - Airplane with revolving wings : de en
  • FR838405A - Improvements to ball wheels for skates and other toys : en fr
  • FR838570A - Fire tube or flame duct formed by united ferrules : en fr
  • DE672687C - Device for stripping blocks from molds : de en
  • DE672585C - Link for the use of an air pump as a bicycle support : de en
  • DE672739C - Attachment of bare aluminum wires to insulators : de en
  • US2149540A - Parachute : en
  • FR838610A - Improvements in furnaces for heating metals and the like : en fr
  • FR838546A - Manufacturing process for undecamethine dyes : en fr
  • GB501908A - Improvements in or relating to the moulding of composite blocks for building, pavingand like purposes : en
  • FR838437A - Improvement in the separation of solids : en fr
  • US2149399A - Bottle hooding machine : en
  • US2150055A - Remote control apparatus for the successive release of bombs in aircraft : en
  • GR8047B - CONTINUOUS SALT TRANSPORTATION SYSTEM, DISTANCE, IN SATURATED WATER FOR COLLECTION IN THE SALT. : el en
  • DE672649C - Closure head for clip closures of beer bottles : de en
  • US2149310A - Alkali cellulose : en
  • US2149820A - Safety device for a liquid fuel burner : en
  • US2149886A - Thread clipping machine : en
  • IE15385L - Treatment of cellulose fabrics : en
  • AU243838A - Improvements in or relating to fluorescent screens for braun tubes : en
  • GB502085A - Improvements in or relating to railway signalling systems : en
  • DE672905C - Closure buckle for clasp shoes, belts, etc. like : de en
  • GB502143A - Improvements in and relating to electrical testing apparatus : en
  • CA379980A - Egg incubator : en fr
  • US2149505A - Combined arc lamp and incandescent lamp : en
  • US2149586A - Ash receiver hinge : en
  • US2149649A - Covering for dandy rolls, cylindrical molds, or the like for use in paper making machines : en
  • US2149893A - Detachable heel : en
  • US2149974A - Seal for refrigerating apparatus : en
  • US2150117A - Motor control system : en
  • DE672467C - Ship window : de en
  • FR838618A - Oscillation damper particularly intended for aircraft parts : en fr
  • FR838519A - Rotary piston machine : en fr
  • GB501986A - A new or improved method of polishing surfaces : en
  • GB501775A - Improvements in or relating to bookbinding machinery : en
  • GB502072A - Improved electrocardiograph : en
  • AT155665B - Circuit arrangement for the transmission of characters via a circuit through which an alternating current flows. : de en
  • US2150042A - Pipe coupling : en
  • DE672813C - Double-acting remote hydraulic fluid control : de en
  • CA379901A - Digesting process and apparatus : en fr
  • FR838419A - Steam or gas turbine : en fr
  • US2149789A - Heat transfer medium : en
  • US2150124A - Gluing machine control : en
  • AT155733B - Hanging device for fabric sheets in ventilated drying rooms. : de en
  • AU106770B2 - Improvements in or relating to commutators : en
  • DE672877C - Process for the production of curled rayon threads during spinning pot spinning : de en
  • US2149464A - Fly-rod minnow : en
  • USPP317P - johnston : en
  • US2149758A - Chaining pin carrier for surveyors : en
  • US2149561A - Processing apparatus : en
  • FR838609A - Screen or conveyor device : en fr
  • CA379950A - Poultry coccidiosis alleviating composition : en fr
  • US2149462A - Machine for inserting supplements into folded signatures : en
  • FR838424A - Bandages particularly intended for motor vehicles : en fr
  • GB501971A - Improvements in or relating to flexible connection for power transmission : en
  • DE672734C - Switch device for the casting slide of a die setting and line casting machine for inserting dies in three different heights : de en
  • DE672773C - Communication system via telecommunications cable : de en
  • US2149788A - Treating lubricants : en
  • US2149829A - Indicating and switching apparatus : en
  • FR838457A - Vehicle blower filter pad : en fr
  • FR838521A - Film winding device : en fr
  • DE672767C - Device for producing cream foam similar to whipped cream : de en
  • FR838614A - Monorail track on pylons and vehicle driven by aerial propellers : en fr
  • DE672736C - Arrangement for wireless course guidance using complementary characters : de en
  • DE672865C - Jaw clamp for connecting electrical conductors : de en
  • DE672923C - Device for arranging bast fiber stalks or the like. : de en
  • FR838481A - Gear pump improvements : en fr
  • FR838557A - Electric discharge tube : en fr
  • GB501817A - Improvements in or relating to cards for statistical purposes : en
  • GB501919A - Improvements in or relating to electron multipliers : en
  • GB502000A - Improvements in or relating to x-ray apparatus : en
  • GB502050A - Improvements in or relating to apparatus for the 'permanent' waving of hair : en
  • DE672903C - Cinematographic recording camera : de en
  • US2149558A - Measuring instrument : en
  • US2149631A - Wire spool holder for stitching machines : en
  • US2149831A - Heating of fluids : en
  • USD113645S - Design for a tablecloth ob similar : en
  • DE672779C - Mouthpiece for a flushing device with intermittent liquid supply : de en
  • US2149497A - Log raft and log rafting mechanism : en
  • USD113647S - Design for a : en
  • FR838632A - Improved piston for thermal machines and mobile equipment fitted with this piston : en fr
  • US2149929A - Spraying device : en
  • DE672806C - Centrifugal mold : de en
  • FR838426A - Anti-water hammer valve, quick opening and closing, for cisterns : en fr
  • GB501916A - Improvements in the construction of collapsible boxes or cartons : en
  • AT155720B - Link for belts, chains or the like. : de en
  • FR838485A - Loom : en fr
  • FR838548A - Lubricated valve for low pressures : en fr
  • FR838420A - Casing straightening machine : en fr
  • GB501987A - Improvements in or relating to colour photography : en
  • US2149564A - Battery clamp remover : en
  • FR838431A - Process for the recovery of alkylphenols from mineral oils : en fr
  • FR838461A - Apparatus for moving liquids, gases and vapors, capable of operating emulsions or intimate mixtures : en fr
  • GB501859A - Improvements in and relating to magnetrons and other thermionic tubes : en
  • AT155658B - Advertising image for vehicles. : de en
  • GB502100A - Improvements in or relating to combined cinematographic and sound cameras : en
  • AU106708B2 - Improvements in or relating to containers primarily intended to contain powder : en
  • DE672584C - Headlights installed sunk from the front in an opening in the casing of a vehicle, in particular a motor vehicle : de en
  • AU106749B2 - Improvements in or relating toa method of toasting bread andthe product resulting therefrom : en
  • US2149751A - Method and apparatus for cleaning sewage : en
  • FR838470A - Improvements to control devices for the advancement of reciprocating wood saws : en fr
  • GB501759A - Improvements in and relating to reinforced concrete beam and like members : en
  • GB501861A - Improvements relating to lamp fittings : en
  • GB501933A - Improvements in or relating to hoist controllers : en
  • GB502060A - Automatically protected pitot static tubes : en
  • FR838572A - Luggage rack for bicycle and other applications : en fr
  • US2150038A - Typewriting machine : en
  • IE15746L - Apparatus for coating shoe bottoms, etc. : en
  • DE672902C - Hot water heating system with a compensation room located in the hot water generator or in direct connection with it : de en
  • DE672617C - Device for reducing the distortions occurring during the demodulation of modulated currents : de en
  • US2149322A - Oil treating process : en
  • US2149444A - Automatic coin counting and wrapping machine : en
  • US2150003A - Curtain stretcher : en
  • US2149442A - Galvanometer : en
  • USD113668S - Design for a boat hull : en
  • CA379936A - Refrigerator car ice basket : en fr
  • US2149733A - Pin tumbler lock : en
  • US2149772A - Electric cable : en
  • AU106723B2 - Reinforcing members forthe springs of motor driven vehicles : en
  • CA379943A - Tooth cleansing agent : en fr
  • US2149331A - Electric circuits for reducing the effect of shunt capacity or reactance introduced by circuit elements : en
  • AU353838A - An improved method of indicating the field intensity of signals employed for radio direction finding purposes : en
  • DE672569C - Sorting machine for punch cards : de en
  • DE672663C - Device for determining the size ratio of different parts of an X-ray image : de en
  • CA379889A - Circuit breaker : en fr
  • US2149254A - Constructional figure : en
  • US2150093A - Dyestuffs of the anthraquinone series : en
  • US2149872A - Bag and method of making same : en
  • AU174238A - Improvements in and relating to sound reproducing apparatus for endless band sound carriers : en
  • AU106775B2 - Improvements in or relating to aircraft carried radio systems : en
  • US2149454A - Pumping unit : en
  • US2149812A - Method of drying battery plates : en
  • AU381038A - Anew or improved method and/or apparatus for use in measuring the specific gravity of liquids : en
  • US2149976A - Ventilation control : en
  • US2150120A - Cycijc process fob the production : en
  • AU74138A - Improvements in and relating to interchangeable panels for window backgrounds and other purposes : en
  • CA379959A - Aerial bombing device : en fr
  • DE672632C - Telescopic rangefinder : de en
  • GB501911A - Improvements in variable speed drives in precision grinding machines : en
  • AU380238A - Improvements inthe manufacture of buttons, buckles andthe like from casein : en
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  • AT155659B - Fire pipe. : de en
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  • US2149923A - Fishing device : en
  • AT155699B - Lockable supports for vehicles, in particular for bicycles. : de en
  • US2149414A - Induction excitation of electric discharge tubes : en
  • AU106743B2 - Improvements in method of manufacturing cast iron and product thereof : en
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  • US2149658A - Thermionic tube : en
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  • DE672772C - Procedure for installing motors in electric traction vehicles : de en
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  • US2149771A - Electric cable : en
  • US2149894A - Carbon remover : en
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  • US2149431A - Display holder : en
  • US2149278A - Wheel for track laying vehicles : en
  • US2149391A - Machine for pressing soles on the bottoms of shoes : en
  • US2149415A - Vertical antenna : en
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  • USD113679S - Design fob a liquid filter : en
  • CA379912A - Throttle valve for pneumatic tools : en fr
  • US2149499A - Record receiving device : en
  • US2149877A - Screening : en
  • US2149952A - Brake shoe : en
  • US2149977A - Television transmitting tube : en
  • GB501942A - Improvements in an electrical heating element and method of manufacturing the same : en
  • GB501992A - Method and means for producing a permanent crease in garment fabrics : en
  • FR838483A - Motor tractor, with a gasifier fitted on this tractor : en fr
  • GB501922A - Improvements relating to folding cartons and containers : en
  • DE672914C - Metal band variometer used as a short wave oscillation circuit : de en
  • DE672787C - Centrifugal mixer : de en
  • DE672755C - Method of disinfestation of grain : de en
  • FR838524A - Hermetic closure for containers containing corrosive liquid : en fr
  • GB501958A - Improvements in threading dies for use on automatic screw machines : en
  • DE672830C - Device for transferring the thread from a finished Koetzer to an empty bobbin on Koetzers : de en
  • GB501791A - An improved appliance for cleaning the teeth and/or massaging the gums : en
  • FR838453A - Device for adjusting shutters of photographic or cinematographic cameras : en fr
  • FR838647A - Drill tube : en fr
  • US2149862A - Piston : en
  • DE672721C - Process for gasifying coal in hydrocarbon gas plants with alternating operation : de en
  • DK55902C - Procedure for the production of oxyketones from the saturated or unsaturated androstane series. : da en
  • FR838505A - Improvements to vehicle chassis : en fr
  • FR838648A - Improvements to goods transport and handling devices : en fr
  • US2150123A - Cyclic process fob the production of : en
  • US2149340A - Oscillation generation : en
  • US2149358A - Removal of oil from refrigerating systems : en
  • US2149637A - Public address system : en
  • CA379877A - Check operated vending apparatus : en fr
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  • US2149481A - Automatic shade : en
  • US2150100A - Knitting machine : en
  • AT155725B - Holding cylinder press with air boom. : de en
  • CA379920A - Decorative light : en fr
  • GB502094A - Improvements in and relating to taps and valves : en
  • GB502003A - Improvements in and relating to vacuum-tight seals between ceramic material and a metal : en
  • GB501770A - Improvements in or relating to grit arrestors : en
  • GB501869A - Improvements in or relating to electric discharge tubes with metal envelopes : en
  • GR8045B - METHOD OF MANUFACTURING ARTIFICIAL TEXTILE FIBERS. : el en
  • GB501979A - Improvements in or relating to the manufacture of golf, hockey or like balls : en
  • FR838490A - Device immobilizing all false keys inserted in a lock and preventing any manipulation of false keys in the barrel of the lock : en fr
  • GB501783A - Improvements in or relating to cuff links : en
  • DE672743C - Heating insert for electrically heated hot water storage tank : de en
  • DE672835C - Production of carbon disulfide from metal sulfides and coal that split off sulfur when heated : de en
  • DE672698C - Device for local anodic oxidation : de en
  • GB502032A - Improvements in appliances for playing games : en
  • DE672688C - Method and device for mirroring glass or any other material : de en
  • GB501849A - Improvements in tubular heat-exchanging apparatus for fluids, applicable more especially to motor vehicle radiators : en
  • US2149553A - File : en
  • US2149660A - Liquid distributing apparatus : en
  • US2149725A - Apparatus for controlling the operation of cone valves : en
  • GB501768A - Improvements in or relating to the treatment of artificial filaments, fabrics, films and like materials : en
  • US2149413A - Fishing reel : en
  • US2149405A - Machine for creasing curtains and the like : en
  • US2149638A - Meat-slitting machine : en
  • US2150027A - Apparatus for purifying air : en
  • US2149532A - Method of forming liner material : en
  • US2149839A - Fastener applying implement : en
  • US2149993A - Composition containing a rhodamine derivative : en
  • USD113694S - Design fob a combined propeller : en
  • US2149743A - Camera exposure control apparatus : en
  • US2149935A - Cane stripper : en
  • US2150092A - Process for the preparation of anthraquinonediphenyldithiazoles : en
  • AU244138A - Improvements in or relating to ignitible compositions suitable for example as fuse compositions : en
  • US2149971A - Blanket fastener : en
  • FR838641A - Smoker with diffuser operating by air depression : en fr
  • GB501880A - Improvements in or relating to babies' comforters : en
  • FR838496A - Non-rolling piece of fabric stiffened by its treatment with a swelling agent, and method and apparatus for making same : en fr
  • US2149999A - Lightly coated manganese steel electrode : en
  • US2150013A - Circuit breaker : en
  • US2149898A - Valve lubricating system : en
  • FR838640A - Improvements to agricultural or horticultural machinery : en fr
  • AT155738B - Turbine powered by steam or compressed air. : de en
  • US2149253A - Method of treating metal surfaces to inhibit corrosion : en
  • US2150136A - Adjustable venting control for air valves : en
  • DE672699C - Process for making image tone film negatives : de en
  • DE672664C - Method for cathode atomization by means of an additionally heated cathode : de en
  • US2149369A - Power transmission system embodying hydraulic couplings : en
  • US2149794A - Signaling device : en
  • US2150022A - Power controller for vehicle brakes : en
  • US2149325A - Auto-diagraph for ball games : en
  • US2149710A - Automatic loader : en
  • US2149755A - Strip folder : en
  • FR838479A - Machine for the manufacture of threads for tubes with weak walls : en fr
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  • FR838626A - Device for the sound monitoring of blood pressure : en fr
  • GB501762A - An improved scale and indicating means for use in connection therewith : en
  • FR838555A - Flying machine with flapping wings : en fr
  • DE672660C - Drive for electric rotary switch with several switching drums : de en
  • DE672622C - Fuse cartridge, especially for the D fuse system : de en
  • US2150067A - Hive frame : en
  • FR838408A - Method and device for adjusting watch glasses : en fr
  • GB502084A - Improvements in and relating to motor vehicles : en
  • DE672792C - DC amplifier : de en
  • FR838549A - Device for suspending the contact wire of electrical tracks to automatically and partially retighten it in straight sections : en fr
  • GB501784A - Improvements in and relating to the purification and concentration of rubber latex : en
  • GB502030A - Improvements relating to motor vehicle front wheel mountings : en
  • US2149629A - Construction elevator : en
  • US2149659A - Fluid release device : en
  • US2150074A - Tackle connector : en
  • GB501871A - Improvements in autographic and like writing machines : en
  • GB501939A - Improvements in or relating to the air-cooling of cylinders of internal combustion engines : en
  • FR838466A - Improvements to antenna systems for transmission and reception of waves of different frequencies : en fr
  • US2149398A - Last : en
  • US2149824A - Tubing scraper for oil wells : en
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  • US2149367A - Valve structure : en
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  • DE672828C - Sandal with removable anti-slip protection that can be detached from the shoe : de en
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  • GB501972A - A new or improved method of colouring asbestos fabrics and yarns : en
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  • AU106698B2 - Improvements in or relating to a method for the production of artificial silk : en
  • CA379952A - Illuminated fountain pen : en fr
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  • USRE21024E - Loca mounting fob hoiiow metal : en
  • US2149271A - Lubricant : en
  • US2150015A - Salinity indicator system : en
  • FR838536A - Cabinet-workbench as horizontal and vertical quick clamping device for tools of all kinds : en fr
  • US2149439A - Baker's oven : en
  • US2149578A - Nut making machine : en
  • US2150062A - Piston expander : en
  • US2149879A - Pulp molding : en
  • US2149959A - Knock-down display device : en
  • US2149386A - Intercommunicating and broadcasting switchboard : en
  • US2149342A - Tire chain for tractors : en
  • US2149600A - Pumping device in particular for volatile liquids : en
  • US2149537A - Apparatus for producing biscuits : en
  • US2149941A - Coiling machine : en
  • FR838621A - Oscillating Fans Improvements : en fr
  • DE672619C - Sealing of the fold of electrical moisture-proof conduit wires : de en
  • DE672809C - Fastening of roller bearings on journals : de en
  • GB501776A - Process for producing valuable liquid hydrocarbons from normally gaseous olefinic hydrocarbons : en
  • GB501854A - Improvements in high-pressure mercury-vapour electric discharge lamps : en
  • GB501947A - Improvements in thin sheet covered aircraft bodies, wings and the like : en
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  • US2149903A - Portable boat : en
  • USD113617S - Design for a combination desk unit : en
  • US2149490A - Automatic welding : en
  • US2149583A - Card punching and slotting machine : en
  • DE672766C - Device for conveying cigarettes or other objects of a similar shape from a funnel into a compartment shaft with parallel part walls : de en
  • US2149316A - Superposed record strip and method of registering and aligning the same : en
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  • US2150037A - Chaser : en
  • US2150090A - Apparatus for converting hydrocarbons : en
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  • USD113665S - Design for a hand wrench : en
  • USD113658S - Design for a vehicle wheel : en
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  • US2149250A - Photometer : en
  • US2149699A - Three-way switch : en
  • US2149702A - Variable condenser : en
  • US2149757A - Steel section : en
  • US2150043A - Manufacture of bag handles and bags combined therewith : en
  • FR838493A - Electric discharge tubes : en fr
  • DE672731C - Process for the catalytic reduction of carbon monoxide to multi-membered hydrocarbons : de en
  • US2149954A - Vacuum pan for condensing milk products : en
  • FR838459A - Optimum operating damping waveband filter : en fr
  • CA379965A - Electric fuse lead : en fr
  • GB502074A - Improvements in and connected with liquid cooling systems of internal combustion engines : en
  • GB501886A - Chemical heating pad for permanent hair waving : en
  • FR838506A - Radio Direction Finder Systems : en fr
  • US2149279A - Derivatives of pyrazine carboxylic acid and processes for their production : en
  • US2149484A - Cyclic halogen containing rubber derivatives : en
  • DE672860C - Rail butt connection with elongated members attached by welding to both rail ends : de en
  • FR838444A - Pneumatic brake automatic firearm : en fr
  • FR838563A - Winder with auxiliary device to initiate the winding process : en fr
  • AU106760B2 - Improvement in broadband amplifier : en
  • AU392538A - Improvements in or relating to commutators : en
  • AU421038A - Improvements in electric cables : en
  • GB502139A - Apparatus for vapourising or gasifying metals and other substances difficult to vapourise : en
  • US2149792A - Temperature control : en
  • US2150110A - Car heater and defroster : en
  • AU106733B2 - Improvements in or relating to selective devices madeup from number of bandpass filters : en
  • US2149524A - Packing for the shafts of rotary machines, turbines, and the like : en
  • US2149806A - Sleeve lifting pad for garments : en
  • US2149512A - Automatic gun : en
  • US2149950A - Double action tooth brush : en
  • US2149357A - Resilient chair seat : en
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  • US2149896A - Method of making cigarettes : en
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  • US2150097A - Automatic molding apparatus : en
  • US2149296A - Vehicle appliance : en
  • US2149736A - Apparatus and method for expressing fluid : en
  • US2149884A - Necktie : en
  • US2149911A - Golf club grip : en
  • US2149255A - Mop wringer : en
  • US2149332A - Wood preservation : en
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  • DE672802C - High pressure acetylene developer : de en
  • AT155688B - Process for the manufacture of oxide cathodes. : de en
  • DE672746C - Process for electrical resistance spot or seam welding of light metals : de en
  • US2149616A - Life preserver : en
  • AT155681B - Interference protection device for interference suppression of multipole switches. : de en
  • US2149762A - Ethylated-di-isopropyl benzene : en
  • US2149798A - Well-drilling bit : en
  • US2149948A - Solvent : en
  • US2149963A - Soldering flux and process of fluxing : en
  • US2149663A - Strap and buckle fastening : en
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  • USD113700S - Design for a suit : en
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  • US2149868A - Glow plug : en
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  • DE672694C - Crank rod drive for agitators swinging around an axis of frame gripper pans : de en
  • CA379957A - Valve control device : en fr
  • DE672510C - Magnetron tubes with cathode, several axially parallel anode segments and auxiliary electrodes : de en
  • DE672620C - Device for regulating a variable size depending on one or more variable reference sizes : de en
  • DE672785C - Hair straightener : de en
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  • DE672862C - Process for demodulating phase or frequency modulated oscillations : de en
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  • US2149365A - Switch construction : en
  • US2149790A - Treating and packing powdered material : en
  • US2149830A - Weighted sample tab : en
  • US2149726A - Antenna system : en
  • US2149865A - Interlocking means for a group of electrical contactors : en
  • US2150025A - Dispensing apparatus : en
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  • US2149816A - Sanding : en
  • AT155698B - Mask body for hood masks. : de en
  • AT155673B - Embroidery and darning device. : de en
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  • CA379883A - Recording machine strip feeding device : en fr
  • AT155744B - Process for generating energy by liquefying vapor mixtures from two or more liquids. : de en
  • US2149569A - Reversible electric motor : en
  • US2149852A - Detonator for christmas crackers and the like : en
  • US2150108A - Lady's undergarment : en
  • US2149534A - Adjustable grain check attachment for grain binders : en
  • GB501984A - Improvements in the construction of walls and ceilings of buildings : en
  • GB502096A - Improvements in or relating to the treatment of textile materials : en
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  • DE672717C - Process for the production of fixed or controllable electrical resistors from carbon-containing resistance masses : de en
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  • GB501862A - Improvements in three-dimensionally working engraving and copy milling machines : en
  • US2149370A - Treatment of titanium liquors : en
  • US2149889A - Hoisting mechanism : en
  • US2149305A - Line-casting machine : en
  • USD113628S - Design fob a piano case : en
  • US2149526A - Device for cleaning surfaces : en
  • DE672831C - Koetzerspulmaschine, in which several winding spindles are arranged in a circle on a rotatable support body : de en
  • CA379939A - Photographic apparatus film feeding mechanism : en fr
  • DE672904C - Footrest to remedy the flat, flat and buckled feet : de en
  • AT155743B - Control device for a hydraulic fluid brake. : de en
  • US2149620A - Timer checking device : en
  • CA379926A - Dihydro follicular hormone production : en fr
  • US2149882A - Method of making a flanged panel : en
  • US2150140A - Derivatives of ascorbic acid having an antiscorbutic action and process for the manufacture of same : en
  • AU69838A - Improvements in electron lens systems for use in discharge tubes : en
  • AU106754B2 - An improved milk or cream cooler : en
  • US2149470A - Mechanical time fuse : en
  • US2149749A - Projectile : en
  • US2149504A - Means and method of saturating transmission air : en
  • US2149514A - Goggles : en
  • US2150085A - Lawn mower : en
  • AU112538A - Derivatives of cyclopentano-dimethyl-polyhydro-phenanthrene andthe manufacture thereof : en
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  • DE672633C - Device for investigations on maps and in the field : de en
  • DE672852C - Process for the production of zinc hyposulfite : de en
  • AT155686B - Link between symmetrically grounded and asymmetrically grounded arrangements, especially in the case of high-frequency transmitters. : de en
  • AU106722B2 - Improvements in or relating to tdevices for driving posts, stakes and the like into the ground : en
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  • US2149904A - Pad-a-month desk calendar : en
  • US2150114A - Differential flotation of lead-zinc ores : en
  • CA379933A - Proteolytic enzymic material : en fr
  • FR838510A - Method and device for determining, by direct observation, the position of sources of radiation emitting infra-red rays and not directly visible : en fr
  • US2149645A - Governor for fluid motors : en
  • USD113699S - Design for a suit : en
  • US2149277A - Portable picture transmission apparatus : en
  • US2149618A - Cutting tool : en
  • US2149706A - Furnace apparatus : en
  • US2149946A - Slide and guide support for seat structures : en
  • US2150137A - Alpha-ethyl beta-propyl acrolein resins : en
  • CA379917A - Grease dispensing apparatus : en fr
  • US2149314A - Pyrotechnic composition : en
  • US2149353A - Reversing gear for steam engines with poppet valve gear, especially for locomotive and marine steam engines : en
  • US2149412A - Container : en
  • US2149870A - Panic door release mechanism : en
  • GB501764A - Improvements in photographic roll film cameras : en
  • US2150050A - Apparatus for translating variations of illumination into mechanical actions : en
  • USD113660S - Design for a vehicle wheel : en
  • US2149333A - Combined low frequency and turnstile antennas : en
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  • AU106763B2 - Improvements in or relating to copper-oxide rectifiers : en
  • US2149291A - High pressure cased contraction and expansion joint : en
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  • US2149728A - Universal bearing support : en
  • US2149371A - Control mechanism : en
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  • DE672695C - Switching device for alternating friction clutches : de en
  • AU106765B2 - Improvements relating tothe distillation of coal andother carbonaceous substances : en
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  • US2149285A - Headlight intensity tester : en
  • US2149692A - Loom : en
  • US2149707A - Barrel-changing device for automatic firearms : en
  • US2149361A - Discharge tube amplifier : en
  • US2149782A - Magnetizable fluid : en
  • GB501931A - Improvements relating to magnetic electron lens systems for cathode ray devices : en
  • GB501981A - Improvements in or relating to compound expansion internal combustion engines : en
  • US2149350A - Cushion construction : en
  • US2149509A - Holder for cards and other articles : en
  • US2150118A - Button fastening means : en
  • DE672593C - Regulator relay for automatic electrical control devices : de en
  • DE672587C - Device for the automatic shutdown of machines for the production of strands, cables and ropes : de en
  • DE672672C - Device for improving transparent reproduction originals printed in line typesetting and printing machines : de en
  • DE672812C - Elastic coupling equipped with cylindrical springs : de en
  • GB501954A - Improvements in or relating to upsetting machines : en
  • CA379875A - Tuning indicator tube : en fr
  • USD113683S - Design for a dress : en
  • DK55906C - Electric Discharge Pipe. : da en
  • CH208320A - Process for the production of goblets. : de en
  • US2149965A - Toaster control : en
  • USD113654S - Design for a heat exchanger : en
  • CA379975A - Wheel ring : en fr
  • AT155672B - Self-collecting goods issue table machine. : de en
  • AU106752B2 - Transformation of relaxation oscillations : en
  • DE672720C - Process for the manufacture of a product from wool fat which is colloidally soluble in water : de en
  • US2149344A - Apparatus and process for the study of plating solutions : en
  • US2149535A - Means for securing wear-protectors of rubber or similar material to horseshoes : en
  • DE672689C - Wood splitting knife for cutting logs into firewood : de en
  • DE672886C - Device for embossing folding grooves or folding edges for the folding closure of containers made of paper or the like and containers produced with this device : de en
  • GB501962A - Improvements in engine cooling arrangements for rear-engined motor vehicles : en
  • US2149390A - Pressure regulating device : en
  • US2149667A - Fluid pressure generator : en
  • US2149326A - Variable capacity gear pump : en
  • US2149780A - Display device : en
  • DE672691C - Reinforced concrete skeleton for buildings of all kinds made of hollow reinforced concrete bodies ready for installation : de en
  • AU75138A - Ultrahigh frequency electron discharge device : en
  • CA379944A - Rail joint spring : en fr
  • CA379962A - Delivery nozzle : en fr
  • US2149465A - Method of making playing balls : en
  • US2149598A - Illuminated vehicle mirror : en
  • US2150132A - Drying cylinder : en
  • US2149378A - Process of packaging : en
  • US2149863A - Harmonic balancer for vehicle road wheels : en
  • USD113639S - Design for lace : en
  • US2149847A - Apparatus for measuring fluid flow : en
  • US2149834A - Wire fabric : en
  • US2149440A - Mapping machine : en
  • USD113684S - Design fob a corset : en
  • GB502038A - Improvements in or relating to illuminating systems for optical projection apparatus : en
  • DE672645C - Device for fastening propeller blades formed from radial wooden lamellas in metal shaft sleeves, especially for adjustment propellers : de en
  • GB502011A - Improvements in or relating to air logs : en
  • US2149717A - Method and apparatus for calibrating magnetometers : en
  • US2149571A - Hammer mill : en
  • US2150081A - Carburetor for internal combustion engines : en
  • US2149492A - Ball bearing for rotor shafts : en
  • USD113624S - Design for a tablecloth or similar : en
  • US2149837A - Fishing rod handle : en
  • US2149485A - Motor control system : en
  • US2149458A - Rubber derivative composition : en
  • US2149594A - Upper uniting machine : en
  • USD113667S - Design fob a coat : en
  • AU111273B2 - Improvements in and relating to safety ignition devices for gas burners : en
  • CA379923A - Ice cream freezer : en fr
  • US2149750A - Process for the production of waterproof fabrics permeable to air : en
  • US2149851A - Apparatus for handling coiled wire and rod : en
  • USD113666S - Design for a coat : en
  • US2149914A - Coating compositions : en
  • US2149323A - Solvent and process of treating mineral oils : en
  • AT155663B - Leather embroidery. : de en
  • AU416638A - Sedimentation apparatus : en
  • AU106736B2 - Improvements in milking machine teat cups : en
  • AU31738A - Improvements in or relating to vibratory interrupter devices : en
  • AT155710B - Drive device for motor vehicles, in particular for motorway vehicles. : de en
  • AU106732B2 - Process for the manufacture of carboxylic acids of the cyclo-pentanopolyhydro-phenanthrene-series and their derivatives : en
  • FR838631A - Metal composition and process for manufacturing dies, tools, machine parts and other objects formed by this composition : en fr
  • DE672745C - Process for electrical resistance seam or spot seam welding : de en
  • DK55899C - Procedure for the production of oxyketones of the saturated or unsaturated androstane series or their esters. : da en
  • FR838615A - Joining clips for belts and conveyor belts : en fr
  • FR838634A - Process and improved devices for the concentrated application of plates, varnishes, paints, primers and other coating substances : en fr
  • GB501901A - Improvements in sources of light comprising a high-pressure mercury-vapour electric discharge device : en
  • GR8046B - PORTFOLIO DEVICE ON THE BACK OF TRANSPORT. : el en
  • DE672713C - Arrangement fed with single-phase alternating current, in particular for switching mechanisms or switching machines of alternating current vehicles : de en
  • US2149432A - Modulated carrier wave transmitter : en
  • AU106748B2 - Improvements in setting mechanisms for the lenses in photographic apparatus : en
  • AU273038A - Improvements in wire glass : en
  • AU543837A - Improvements in or relating to keyboard mechanisms of telegraph transmitters : en
  • CA379930A - Lubricating oil extraction : en fr
  • GB502152A - Process of and apparatus for effecting local hardening of mass-production articles : en
  • AU251938A - Improvements in high frequency amplifying systems : en
  • DE672616C - Image dismantling tube : de en
  • FR838539A - Transformation with application of a reciprocating rectilinear motion into a circular motion on a hollow shaft : en fr
  • CA379869A - Vehicle wheel : en fr
  • CA379885A - Circuit breaker : en fr
  • US2149826A - Methods and compositions for spraying metal : en
  • GB502055A - Improvements in methods of and apparatus for generating toothed gears : en
  • DE672644C - Propeller plane : de en
  • DE672625C - Arc welding electrode with a core made of iron or steel and a cover that contains slag-forming substances and more than 4% carbon-like substances : de en
  • DE672871C - Arrangement for the protection of rotor-fed three-phase shunt commutator motors : de en
  • DE672807C - Fan head : de en
  • DE672842C - Method for producing a firm connection between stacked work pieces made of hardened spring steel : de en
  • AU75538A - Cathode ray device : en
  • US2149308A - Can top : en
  • US2149315A - Tube holder : en
  • US2149320A - Variable ratio transmission : en
  • US2149416A - One-piece undergarment : en
  • US2149689A - Heating and ventilating device : en
  • US2149732A - Composite molded article and process for making the same : en
  • CA379947A - Two stroke engine exhaust passage : en fr
  • FR838503A - Electric contact rectifier : en fr
  • AU426138A - Improvements in or relating to electric gas-filled incandescent lamps : en
  • AU106707B2 - Cathode ray device : en
  • CA379919A - Frozen confectionery moulding apparatus : en fr
  • CA379927A - Unsaturated hydrocarbon hydrogenation : en fr
  • CA379955A - Motor vehicle switch : en fr
  • US2149404A - Reversible hour glass indicator : en
  • AT155655B - Device for encapsulating bottles and similar containers. : de en
  • AT155704B - Electric light bulb with internal reflector. : de en
  • AT155711B - Arrangement for voltage and power control in converters. : de en
  • US2149985A - Combined canvas-stretcher and picture frame : en
  • GB502031A - Improvements relating to front road wheel brackets for motor vehicles : en
  • FR838551A - Device for preventing premature termination of telegraph communications made by selection : en fr
  • FR838418A - Dyes of the phthalocyanine series : en fr
  • AU106697B2 - Improvements in gas taps : en
  • DK55917C - Method for the manufacture of carbonaceous refractory stones. : da en
  • US2149459A - Educational device : en
  • US2149519A - Grinding machine : en
  • CA379982A - Patch test strip : en fr
  • US2150101A - Fluid circulation apparatus : en
  • FR838417A - Improvements in apparatus for extracting fibers from stems of flax and similar plants : en fr
  • FR838575A - Improvements to propellers, rotors, fan wheels, and similar devices : en fr
  • US2149881A - Way guard for machine tools : en
  • FR838629A - Improvements to fireplaces heated with pulverized coal : en fr
  • GB501930A - Improvements in or relating to mattresses : en
  • AU370538A - Butter molds : en
  • AT155695B - Ventilation device for the passenger compartment of streamlined motor vehicles with rear engine. : de en
  • AU106737B2 - Improvements in or relating to trusses for ruptures : en
  • DE672661C - Process for the production of copper vitriol from the copper-containing spinning acid which occurs in the production of copper rayon : de en
  • GB501906A - Improvements in venting devices for alkaline accumulator cells : en
  • GB502346A - Improvements in or relating to automatically variable power transmission gears : en
  • GB502037A - Improvements in or relating to the manufacture of anthraquinone thiazoles : en
  • FR838543A - Adjustable tourniquet for medical use : en fr
  • FR838507A - Cathode ray devices : en fr
  • FR838625A - New device likely to increase the lift of aircraft wings and ensure their transverse stability : en fr
  • GB502083A - Improvements in or relating to embrocation or liniment : en
  • GB501974A - Improvements in or relating to magnetic balances for field use : en
  • GB502071A - Improvements in or relating to processes for the production of metal-paper resistances with predetermined resistance values : en
  • FR838607A - Oleo-pneumatic devices, such as energy accumulators, shock absorbers or the like : en fr
  • US2149457A - Therapeutically active amidines : en
  • US2149947A - Refrigeration : en
  • FR838558A - Process for the preparation of easily flammable solid fuels and fuels : en fr
  • FR838644A - Manufacturing process of elastic fabrics : en fr
  • GB502147A - Improvements relating to the generation of water gas : en
  • DE672789C - High pressure steam turbine blade : de en
  • DE672893C - Table ball game with an inclined playing surface : de en
  • US2149395A - Tire contracting tool : en
  • DE672837C - Steam converter : de en
  • IE15184L - Electric discharge lamps : en
  • FR838544A - Improvements to convertible sofas to optionally constitute a single or double bed : en fr
  • USD113627S - Design for a lamp : en
  • GB501785A - Improvements relating to air deflector vanes for windows or ventilation panels of vehicles : en
  • GB502033A - Improvements in the construction of walls and ceilings of buildings : en
  • US2149650A - Inkwell and the like : en
  • US2149969A - Pump : en
  • USD113676S - Design fob an eye bandage : en
  • GB501969A - Improvements in or relating to the speed control of power systems : en
  • CA379956A - Mixing valve : en fr
  • DK55905C - Coupling for transmission of electrical oscillations and with at least one tube with high internal resistance. : da en
  • US2149737A - Heat exchanger : en
  • FR838502A - Tube rolling mill improvements : en fr
  • FR838494A - Method and device for determining the resistance of fabrics to tearing and wear : en fr
  • GB501883A - Improvements relating to sheet rubber calendering machines : en
  • FR838586A - Device applicable to pneumatic tires to indicate pressure losses : en fr
  • GB502025A - Improvements in or relating to apparatus for investigating the sub-soil or sub-structure and for the location and examination of subterranean deposits : en
  • DE672898C - Process for the production of high ohmic resistors : de en
  • GB501990A - Improvements in or relating to heels for boots and shoes : en
  • GB502150A - Improvements in and relating to lanterns for electric lamps : en
  • US2149491A - Flux for automatic welding apparatus : en
  • GR8040B - PROVISION TO REPLACE THE YELLOW COILS FOR TUBE COILS T.E. COILS WITH INTERNAL EXTRACTION. : el en
  • FR838523A - Process for the production of leuco-esters of compounds capable of being tanked : en fr
  • GB502091A - Improvements in and apparatus for the release of pressure from high pressure mixtures of liquids and gases, and, if desired, solids : en
  • US2149875A - Cable support : en
  • US2149958A - Measuring system : en
  • GB501852A - Improved form of hygrostat : en
  • GB502252A - Process for the manufacture of a substance for medicinal use : en
  • FR838488A - Perfumes : en fr
  • US2149734A - Laundry starch and method of using the same : en
  • US2149607A - Casement window control : en
  • FR838545A - Focusing method and devices in photographic or cinematographic cameras : en fr
  • CA379892A - Electric valve translating system : en fr
  • CA379899A - Brake control means : en fr
  • FR838559A - Improvements to filters for cleaning liquids or gases : en fr
  • GB501772A - Improvements in work-holding vices : en
  • GB502171A - Method of operating an internal combustion engine : en
  • US2149968A - Artificial christmas tree : en
  • US2149626A - Steam drier for use on locomotives : en
  • US2149517A - Dried corn sirup product and method of producing the same : en
  • US2149507A - Method for forming laminated shaped articles : en
  • US2149676A - Dust container : en
  • US2150087A - Sliding scooter : en
  • US2150099A - Connection block terminal : en
  • AU106694B2 - Improvements in or connected with brooms, brushes andthe like : en
  • CA379981A - Optical system for headlights : en fr
  • FR838498A - Ornate quick closure : en fr
  • USD113671S - Design for a game board : en
  • DE672359C - Storage in which the shaft is supported by several groups of roller bearings : de en
  • US2149967A - Light source for use in the photographic recording of sound : en
  • GB502075A - Improvements in means for supporting piezo-electric vibrating elements : en
  • DE672558C - Device for switching on and off train control devices for trains that are composed of several railcars : de en
  • GB501976A - Improvements in fire-bars : en
  • GB502008A - Apparatus for the separation of entrained ashes or dust from gases of combustion : en
  • US2149298A - Liquid feeding system for airplanes and the like : en
  • US2149478A - Printing mechanism : en
  • US2149587A - Spring : en
  • US2149585A - Ski climber : en
  • US2150138A - Process for refining rosin : en
  • GB501890A - Improvements in rectifiers for ultra-short waves : en
  • AT155703B - Motor vehicle with individually driven and steered and independently swingable wheels, especially for rough terrain. : de en
  • FR838537A - Receiving apparatus of t. s. f. : en fr
  • GB502174A - Locking device for screws and nuts : en
  • US2149417A - Means for removing pipe from wells : en
  • DE672780C - Brewing device for the rapid preparation of coffee, tea and similar brewing drinks with a flow heater that can be connected directly to a water pipe : de en
  • GB502042A - Improvements relating to electric incandescent lamps : en
  • AU106719B2 - Improvements in or relating to electric gas-filled incandescent lamps : en
  • GB501918A - Improvements in amplifier arrangements such as are used in wireless installations, sound recording or reproducing apparatus and so on : en
  • AT155741B - Filter. : de en
  • GB502048A - Process for manufacturing artificial fibre from protein contained in soy-bean : en
  • GB502049A - Improvements relating to miners' water canteens and similar metal bottles : en
  • US2149530A - Continuous interleaved record assembly : en
  • US2149686A - Egg testing method and machine : en
  • US2150018A - Glove : en
  • US2149992A - Light-transforming screen or reflector and method of making and using the same : en
  • DK55903C - Method for desalination of the working medium flowing through a high-pressure flow-through steam boiler, a power machine and a condenser in a circuit, and a boiler for carrying out the method. : da en
  • US2149550A - Coupling for electrical and mechanical purposes : en
  • GB501761A - Improvements in fastening buttons and similar objects to fabric : en
  • GB501934A - Improvements in or relating to automatic tuning in radio receivers : en
  • US2149955A - Container construction : en
  • FR838403A - Transmitting device used to generate guidelines : en fr
  • FR838443A - Method of fixing current inputs in ceramic parts of electric discharge tubes and resulting tubes : en fr
  • FR838580A - Support of drive blades for radial injection turbines and turbines with application : en fr
  • GB501912A - Improvements in or relating to means for parking bicycles : en
  • AU106734B2 - Improvements in keys for locks : en
  • US2149292A - Facsimile system : en
  • US2149424A - Time controlled switching system : en
  • US2149869A - Method and apparatus for tearing corrugated paper : en
  • US2149657A - Thermionic tube : en
  • US2150135A - Snow chain and runner or ski for motor vehicles : en
  • GB502144A - Manufacture of water-insoluble azo-dyestuffs containing metal : en
  • DE672640C - Method of curdling milk : de en
  • DE672732C - Process for the production of liquid hydrocarbons from solid carbonaceous substances : de en
  • FR838627A - Improvements in equipment and remote control of direction-finding frames on board airplanes or others : en fr
  • GB502047A - Process for manufacturing artificial fibre from protein contained in soy-bean : en
  • CA379887A - Circuit breaker : en fr
  • GB501953A - Improvements in or relating to mechanism for shearing metal wire and like stock : en
  • USD113698S - Design for a combined lamp and stand : en
  • USD113659S - Design for a vehicle wheel : en
  • FR838508A - Oscillographic systems : en fr
  • DE672811C - Elastic coupling equipped with cylindrical springs : de en
  • USD113670S - Design for a steam electric iron : en
  • FR838581A - Sunglasses : en fr
  • FR838602A - Dyes of the phthalocyanine series : en fr
  • DE672909C - Electrolytic water decomposer, especially for high pressure operation : de en
  • US2149263A - Ink well : en
  • US2149713A - Tea bag : en
  • DE672636C - Process for the production of enamels : de en
  • GB502175A - Improvements relating to automatic control systems employing reversible motor regulators : en
  • FR838421A - Means and method of calculation : en fr
  • GB501973A - Manufacture of moulded masses from polyvinyl chloride : en
  • GB501988A - Improvements in and relating to cutlery pieces : en
  • GB502078A - Improvements in or relating to gasfilled electric incandescent lamps : en
  • US2149823A - Junior speedway : en
  • DE672750C - Centrifugal casting device for casting bars : de en
  • DE672793C - Resistance amplifier : de en
  • GB501848A - Improvements relating to medical inhalers : en
  • GB502035A - Improvements in or relating to gearing for steering mechanically propelled vehicles and for other purposes : en
  • GB502069A - Improvements in or relating to holders for ray-emitting tubes : en
  • US2149456A - Sewing machine : en
  • US2149714A - Valve for brass wind instruments : en
  • FR838439A - New and improved material polarizing light and method of making it : en fr
  • GB501779A - Improvements in or relating to a stammer remedying device : en
  • AU546237A - Improvements in or relating to electrical signalling systems particularly applicable to credit authorizing or like systems : en
  • CA379890A - Circuit breaker : en fr
  • US2149709A - Textile assistants : en
  • US2149925A - Method of and apparatus for feeding tobacco to cigarette-making or tobacco-packaging machines : en
  • US2150063A - Heater for beauty parlor tools : en
  • US2149515A - Method of increasing yield in the catalytic synthesis of aliphatic hydrocarbons : en
  • GB501867A - Improvements in or relating to machines for infusing coffee or tea and the like : en
  • DE672674C - Cooling tower of round shape, the wall of which has a greater inclination than 25íÒ to the vertical : de en
  • CA379896A - Train control device : en fr
  • US2149328A - Space discharge type of apparatus : en
  • US2149441A - Gas testing method and apparatus : en
  • US2149563A - Conveyer apparatus : en
  • US2150091A - Grinding wheel truing apparatus : en
  • FR838540A - Brush holder sleeve : en fr
  • CA379960A - Open face container : en fr
  • US2149761A - Bicycle lock : en
  • US2150036A - Clock : en
  • US2149527A - Basic derivatives of fatty acids and a process for their manufacture : en
  • US2150006A - Measuring and control method and apparatus : en
  • DE672596C - Liquid electrolyte capacitor : de en
  • FR838596A - Improvements to electric starters for motors : en fr
  • US2149435A - Pump impeller and method of assembling : en
  • US2149918A - Sheet securing means : en
  • US2150014A - Feeding and arc striking mechanism for searchlights : en
  • USD113662S - Design fob a dress ensemble : en
  • FR838598A - Colorant for tank : en fr
  • US2149661A - Mineral oil sulphonates : en
  • US2149722A - Supporting means for funnels and the like : en
  • US2149740A - Draft regulator for furnaces : en
  • DE672666C - Process for producing a deposit on cellulose hydrate skins which prevents the leaves from sticking together : de en
  • DE672658C - Method for aligning a sheet of paper, cardboard, sheet metal or the like to be fed to a machine. : de en
  • GB501788A - Improvements in machines for punching and die-working sheet material : en
  • US2149494A - Water-insoluble azo dyestuffs : en
  • US2149753A - Composite selector circuit : en
  • GB502068A - Improvements in or relating to vehicle suspensions : en
  • GB502340A - Improvements in or relating to machines for blowing hollow glassware : en
  • DE672582C - Device for tensioning gas protective masks : de en
  • DE672857C - Process for the preparation of triethanolamine salts : de en
  • FR838433A - Cooling, heating and drying apparatus, particularly for chocolate products : en fr
  • GB501797A - Improvements in armoured turrets or cupolas : en
  • FR838590A - Improvements to heat exchangers : en fr
  • FR838474A - Process for perfecting metal chip-free shaping by drawing : en fr
  • FR838639A - Coupling device in particular for internal combustion engine starters : en fr
  • AT155727B - Device for regulating the water supply in waterworks on offset printing machines. : de en
  • US2149850A - Lifeboat : en
  • US2149261A - Spark plug with enlarged cooling chamber : en
  • US2150073A - Vehicle suspension means : en
  • US2149931A - Cigar lighter : en
  • US2150112A - Automatic regulating system for battery operated motor-generator sets : en
  • AT155678B - Process for obtaining a vitamin preparation. : de en
  • AU28938A - Improvements in or relating to aircraft carried radio systems : en
  • US2149551A - Apparatus for publicity : en
  • US2149813A - Apparatus for drying battery plates : en
  • AU184438A - Improvements in milking machine teat cups : en
  • AU372338A - Improvements in or relating to copper-oxide rectifiers : en
  • CA379913A - Multiplying machine checking device : en fr
  • US2149560A - Variable speed power transmission mechanism : en
  • US2150009A - Lauter machine : en
  • USD113675S - Design fob a wheel disk or similar : en
  • CA379907A - Fluid distributing system : en fr
  • AU73738A - Improvements in and relating to electric lamps orthe like : en
  • US2149832A - Roll of paper for high speed pasters : en
  • AU106767B2 - Machine for cleaning intestines : en
  • AT155736B - Clamping device. : de en
  • US2149700A - Overload control circuit : en
  • US2149856A - Lubricating oil : en
  • US2149864A - Fuel supply unit for oil burners : en
  • US2150001A - Manufacture of di-(gamma-chlorohydroxypropyl) arylamines : en
  • DE672735C - Device for monitoring the speed of a train in connection with a train safety device : de en
  • FR838611A - Railway signaling system : en fr
  • US2149443A - Fruit and vegetable treating machine : en
  • AU80238A - Improvements in or relating to radio beacon receivers mobile craft : en
  • AU106702B2 - Improvements in electron lens systems for use in discharge tubes : en
  • AU106746B2 - Butter molds : en
  • US2150031A - Method of dry cleaning : en
  • GR8050B - COLLECTION BOX AS WASTE COLLECTOR. : el en
  • US2149747A - Carburizer : en
  • US2149362A - Preparation of naphthalene vapor mixtures for catalytic oxidation : en
  • US2149648A - Smoke conditioner for tobacco pipes : en
  • US2149838A - Loose leaf binding : en
  • US2149970A - Blanket fastener : en
  • AT155675B - Bras. : de en
  • GR8042B - METHOD FOR PREPARATION OF ARMED MORTAR. : el en
  • US2149547A - Card index : en
  • CA379893A - Explosive primer : en fr
  • CA379941A - Baked food product processing : en fr
  • US2149317A - Hair curler : en
  • AT155682B - Device for interference suppression of radio systems in motor vehicles. : de en
  • AT155690B - Device for the magnetic separation of loose body mixtures. : de en
  • AT155701B - Method for determining the faulty isolator in a chain. : de en
  • US2149724A - Loom : en
  • AT155706B - Assembled bodies for physical and chemical devices, in particular insulating bodies. : de en
  • FR838531A - Sofa : en fr
  • US2149940A - Brake and control therefor : en
  • AT155717B - Machine for grinding and polishing toric glasses and lenses. : de en
  • AU456538A - Improvements in electrodes for high-pressure mercury-vapour discharge devices : en
  • US2149579A - Pulverizer mill : en
  • US2149691A - Throttle controlled induction system of internal combustion engines of the compression ignition type : en
  • GB501793A - Improvements in or relating to weighing apparatus : en
  • GB501895A - Manual cocking mechanism for automatic firearms : en
  • GB502099A - Improvements in or relating to teleprinter apparatus : en
  • DE672608C - Method and device for achieving lengths of fabric of a certain finished length : de en
  • FR838513A - Improvements to hydraulic control systems : en fr
  • US2149803A - Safety belt : en
  • DE672476C - Metal hollow body : de en
  • DE672797C - Transmission system with symmetrically stranded telecommunication cables : de en
  • US2149593A - Air conditioning apparatus : en
  • DK55900C - Procedure for the production of oxyketones of the saturated or unsaturated androstane series or their esters. : da en
  • US2149910A - Culinary implement : en
  • AU43938A - Reinforcing members forthe springs of motor driven vehicles : en
  • US2149673A - Means for controlling the flow of fluids : en
  • US2149983A - Bearing : en
  • US2150129A - Aircraft with rotative wings : en
  • US2149655A - Head covering : en
  • US2149978A - Display and retainer device : en
  • US2150010A - Trailer hitch : en
  • GB502141A - Method and apparatus for distilling metals, alloys, metal compounds and other solid mineral substances difficult to vapourize : en
  • AU86738A - Concrete composition building brick or block : en
  • DE672901C - Examination and operating chair : de en
  • US2149814A - Ammunition for explosive operated tools : en
  • US2149349A - Rubber tired roller : en
  • US2149653A - Form for concrete structures : en
  • US2149381A - Crane : en
  • DE672808C - Device for the production of porous separators, filters, diaphragms and the like. like : de en
  • US2149643A - Extraction process : en
  • US2149756A - Measuring apparatus : en
  • US2149468A - Collapsible hat : en
  • DK55898C - Liquid application color for fur. : da en
  • US2149784A - Art of building construction : en
  • US2149928A - Faucet : en
  • DE672511C - Method for observing and taking photographs of X-ray images : de en
  • DE672799C - Circuit for several DC motors fed by a common grid-controlled rectifier : de en
  • AU110038A - Improvements in keys for locks : en
  • CA379953A - Feed cutter device : en fr
  • DK55908C - Drawer, specially designed for spice and medicine cabinets or similar cabinets. : da en
  • US2150034A - Apparatus for forming bonded granular articles : en
  • USD113635S - Design fob a combined perfume : en
  • USD113630S - Design for a piano leg : en
  • US2149433A - Anthraquinone derivatives : en
  • US2149801A - Book hanger : en
  • US2150139A - Finishing system for acoustical surfaces : en
  • DE672630C - Dimming device with two diaphragms arranged at a greater distance in front of each eye : de en
  • USD113642S - Design for a lighting fixture or sim : en
  • DE672671C - Paragraph-wise working sheet delivery device for printing machines with tapes or the like. : de en
  • DE672406C - Skittles with a tied game ball suspended from a gallows above the game table : de en
  • FR838528A - Multiple cathode ray tubes : en fr
  • DE672832C - Process for making indentations and holes in diamonds and other difficult-to-machine materials : de en
  • CA379900A - Abrasive coated material : en fr
  • US2149533A - Container closure : en
  • FR838469A - Improvements to heating devices : en fr
  • GB501889A - Improvements relating to the production of tubes in pilger rolling mills : en
  • GB501763A - Improvement in process for the production of amines : en
  • DE672706C - Method and machine for assembling lined shoe shafts and heel caps : de en
  • GR8055B - LACTIC ACID FROM GRAPE SUGAR OR RAISIN SUGAR OR THE DRY CURRENT EXTRACT OR THE MILK GRAPES OF GRAPES OR WHERE DRY OR SOIL. : el en
  • DE672583C - Parachute : de en
  • GB502010A - Improved lubricant distributor : en
  • US2149498A - Composition for application to organic derivatives of cellulose : en
  • USD113677S - Design fob a bicycle handle bab : en
  • AT155747B - Method for operating converters, especially with any load. : de en
  • AU69738A - Improvements in or relating to methods of forming insulating films on conducting surfaces : en
  • AU76238A - An improved milk or cream cooler : en
  • DE672760C - Drafting system with two endless straps working together : de en
  • DE672763C - Method and device for packaging tobacco : de en
  • DE672539C - Two-chamber heating furnace : de en
  • DE672679C - Electrical push button switch for switching at least two circuits : de en
  • DE672784C - Copy machine for aircraft propellers made of metal : de en
  • DE672791C - Method for reducing the anode power consumption of amplifiers : de en
  • GB501956A - Incandescent electric lamp : en
  • GB502052A - Improvements in, or relating to, thermally-operated tripping devices for use in connection with automatic circuit breakers and similar electrical switchgear : en
  • DE1460569U - : de en
  • DE672648C - Frost protection window for the windshield of motor vehicles : de en
  • DE672726C - Window mounting, especially for cabin windows : de en
  • GB502016A - Method of and apparatus for producing lengths of material : en
  • GB501896A - A process for the manufacture of branched or more highly branched alkenes from non- or less branched alkenes : en
  • FR838538A - Water-soluble aromatic series products and their manufacturing process : en fr
  • USD113636S - Design fob a combined perfume : en
  • DE672579C - Device for conveying the work pieces from one die to the next on machines for the production of headed bolts from work pieces cut off from a work bar : de en
  • US2149576A - Hinge structure : en
  • AT155716B - Detergents and cleaning agents. : de en
  • CA379945A - Sound recording disc : en fr
  • DE664966C - Method of making the thread of wood screws : de en
  • FR838514A - Liquid compass : en fr
  • GB501998A - Improvements in cooling liquid circulation systems for internal combustion engines and other apparatus, e.g. liquid clutches, and particularly the lubricant systems of aircraft engines : en
  • DE672667C - Process for the operation of coarse coal air jigs : de en
  • DE672727C - Webbing : de en
  • US2149301A - Venetian blind : en
  • DE672889C - Drive device for motorized two-wheeled vehicles with an electric motor, in which the power current is supplied from the outside : de en
  • FR838501A - Electrical apparatus or installation intended to produce rectified high voltage : en fr
  • US2149745A - Filter : en
  • DE672740C - Electric circuit breaker in the manner of a push switch : de en
  • CA379866A - Mixed glycol ester derivative : en fr
  • CA379894A - Electric cable : en fr
  • FR838637A - Method and installation for stereoscopic fluoroscopy : en fr
  • FR838467A - Improvements to the waterproofing of textile fibers, fabrics, etc. : en fr
  • FR838589A - Automatic dust ejector for gasifier scrubbers : en fr
  • GB501769A - Improvements in or relating to combination tools : en
  • GB501766A - Improvements in or relating to the production of phenol-aldehyde synthetic resins : en
  • US2149334A - Shoe repair last : en
  • US2149508A - Apparatus for producing branch fittings : en
  • US2149460A - Carbureting in internal combustion engines : en
  • GB501951A - Improvements in and relating to constructional toy building elements : en
  • US2149592A - Feeding mechanism for rock drills : en
  • US2150082A - Measuring device : en
  • GB501876A - Driving mechanism for rotary printing presses : en
  • US2149682A - Process of improving the baking strength of flour : en
  • DE672841C - Differential protection device : de en
  • GB501884A - Improvements in or relating to gas-operated firearms : en
  • GB502005A - Improvements in or relating to electron discharge apparatus : en
  • GB502251A - Improvements in or relating to radio frequency tuning devices : en
  • USD113652S - Design for a fluorescent tube unit : en
  • US2150121A - Abrasive article and method of manufacture : en
  • USD113682S - Design for a blouse : en
  • US2149678A - Acid-amine condensation products : en
  • US2149921A - Cone type centrifugal pump : en
  • US2149878A - Pulp molding : en
  • US2149939A - Crystalline granular titanium carbide and methods of making same : en
  • FR838450A - Vehicle lighting system : en fr
  • GB502056A - Improvements in or relating to hydraulic brake and other power transmission systems : en
  • DE672729C - Device for strengthening laundry : de en
  • US2149283A - Projecting machine : en
  • GB502002A - Lipstick case : en
  • GB502041A - Improvements in or relating to cartons : en
  • FR838401A - Process for the protection and preservation of meat and fish, and allowing their economical transport : en fr
  • FR838628A - Improvements to pneumatic actuators : en fr
  • GR8048B - METHOD AND APPLIANCE FOR APPLICATION OF STAINLESS WASHING WASHING OF INSCRIPTIONS, IMAGES, DECORATIONS OR SIMILARIES ON SOAP PIECES. : el en
  • GB501941A - Improvements in windshield wipers : en
  • DE672765C - Bagging device : de en
  • DE672651C - Device for feeding the tobacco : de en
  • DE672715C - Electric gas switch : de en
  • GB502013A - Improvements in electric wave signal transmitting apparatus : en
  • FR838533A - Support device for telephone receivers : en fr
  • US2149434A - Valve structure for musical instruments : en
  • US2149654A - Electric welding apparatus : en
  • GB502014A - Improvements relating to roentgenography : en
  • AU70438A - Improvements in scanning discs for television : en
  • AT155749B - Unmistakable connector. : de en
  • US2149376A - Gas and/or liquid storage apparatus : en
  • US2150104A - Apparatus for making book covers : en
  • DE672752C - Spring grid for seat cushion or the like. : de en
  • AU106705B2 - Improvements relating to knitted articles : en
  • AU106700B2 - Improvements in or relating to shaft coupling devices : en
  • AT155750B - Commutator. : de en
  • CA379879A - Power transmission to or from fluids : en fr
  • US2149372A - Voltage limiter : en
  • US2149306A - Manufacture of food extract from yeast : en
  • US2149495A - Wall construction : en
  • US2149476A - Toy construction block and interlocking retainer therefor : en
  • DE672848C - Ring brush and process for its manufacture : de en
  • US2149354A - Method of treating molasses and resulting product : en
  • US2149669A - Cotton-drier gin : en
  • US2149503A - Insect destroyer : en
  • US2149573A - Fingerprinting device : en
  • US2149284A - Composition and process for preserving wood : en
  • USD113685S - Design for a foundation garment : en
  • AT155667B - Process for the treatment of carriers for optically reproduced vibration recordings. : de en
  • AU30438A - Improvements in or relating to printing machines : en
  • AU106769B2 - Improvements in tractor wheel grips : en
  • US2149375A - Doorknob : en
  • GB501875A - A process for the manufacture of insecticides and fungicides : en
  • GB501795A - Improvements in hydraulic shock-absorbers of the piston and cylinder type : en
  • GB501994A - Improvements in diaphragms for the light valves of optical sound recording apparatus, and apparatus incorporating them : en
  • FR838491A - Paper, tube or leaf-like material for making cigarettes : en fr
  • US2149636A - Composite photographic plate and frame : en
  • US2149961A - Method of thickening latex without coagulation, and product : en
  • US2150029A - Electric iron : en
  • CA379872A - Lapel microphone : en fr
  • DE672627C - Safety device for water heater : de en
  • FR838527A - Process for preparing hair active agents : en fr
  • GB501792A - A bearing for the rolls of rolling mills : en
  • GB501904A - Improvements relating to reciprocatory feed mechanisms for metal working machines : en
  • GB502015A - An improved process for sealing off permeable or porous walls of hollow spaces : en
  • US2149915A - Coating compositions : en
  • DE648625C - Floats with devices for spreading and sucking in the outside air : de en
  • US2149932A - Spraying apparatus : en
  • DE672586C - Device for blocking shoot bolts on multi-leaf swing and folding gates : de en
  • AT155702B - Method and device for drawing glass threads. : de en
  • GB501874A - Method of and means for connecting structural elements or plates : en
  • GB502169A - Improvements in correcting arrangements for telegraph signals : en
  • US2149290A - Vehicle seat : en
  • FR838495A - Agglomerated cores : en fr
  • US2149466A - Expansion joint and cap : en
  • US2149799A - Refrigerating apparatus : en
  • US2149960A - Hoop and propelling means : en
  • DK55904C - Coupling with associated Manetron tube for Alien control, Modulation or Demodulation of ultra-short Waves. : da en
  • FR838512A - Improvements to electronic discharge tubes : en fr
  • USD113646S - Design for a tablecloth ob similar : en
  • US2149275A - Resin manufacture : en
  • US2149335A - Azo dye intermediates and methods of preparing them : en
  • DE672919C - Connection terminal for electrical lines with spring insert : de en
  • GB501985A - Improvements in electrolytic condensers and method of making the same : en
  • GR8037B - PACKAGING OF MISCELLANEOUS PRODUCTS SAME. : el en
  • GR8049B - SEMI-AUTOMATIC WASH CUTTING MACHINE FOR MANUFACTURING BUTTONS FROM SHEETS OF ALL MATERIALS. : el en
  • AT155674B - Device for attaching the ski binding to the footwear. : de en
  • AU106701B2 - Improvements in or relating to methods of forming insulating films on conducting surfaces : en
  • DE672702C - Wing assembly for aircraft : de en
  • DE672615C - Adjustment device for rail current closer : de en
  • DE672884C - Pulley change gear : de en
  • FR838413A - Automatic longitudinal stabilizer applicable in particular to aircraft : en fr
  • DE672668C - Device for conveying rolling stock, in particular slabs, from one roller table to another roller table at a distance from it : de en
  • CA379897A - Brake control apparatus : en fr
  • SE94942C1 - : sv
  • US2149926A - Chlorinated rubber product : en
  • FR838613A - Improvements to thermionic lamps : en fr
  • GR8054B - METHOD OF MANUFACTURING PRESSURE BALLS FROM TYRINNY IN THE FORM OF NON-HARDENED BLUE. : el en
  • GB501868A - Improvements in or relating to devices for supporting the human body : en
  • DE672665C - Ink feed for fountain pens with balancing chambers running lengthways on both sides and on the underside of the air and ink duct : de en
  • FR838430A - Process for manufacturing gasoline for engines, in particular for aviation : en fr
  • FR838532A - Method and device for preventing or decreasing the formation of bands along the length of a knit : en fr
  • GB502054A - Improvements in drying cabinets for clothes or other articles : en
  • DE672730C - Fine slit filter : de en
  • USD113688S - Design for a wheel body : en
  • USRE21025E - Metal door reinforcement and lock : en
  • DE672690C - Christmas tree stand : de en
  • GB501977A - Improved process for producing crepe effects in textiles : en
  • AU106766B2 - Improvements in and relating to sound reproducing apparatus for endless band sound carriers : en
  • US2149612A - Pad receptacle : en
  • FR838456A - Process for the production of multi-color stable grain artificial leather : en fr
  • US2149411A - Tamperproof ear tag : en
  • FR838636A - Mechanical device for the remote control of several moving parts, such as, for example, sliders of rheostats or autotransformers : en fr
  • US2149392A - Flow control apparatus for gaseous media : en
  • USD113629S - Design for a lyre for a piano : en
  • AU106747B2 - Anew or improved method and/or apparatus for use in measuring the specific gravity of liquids : en
  • FR838556A - Improved material drying process : en fr
  • GB501943A - Improvements relating to centrifugal pumps : en
  • GB501960A - Improved insecticidal composition and method of making same : en
  • DE672753C - Electrically heated drying and incubator with automatic temperature control device, especially for laboratory purposes : de en
  • FR838445A - Insulated keg made of corrugated cardboard, especially for packaging butter : en fr
  • US2149846A - Process for printing : en
  • DE672762C - Process for packaging powder-form mixtures in containers, in particular for packaging casing compounds for dental purposes : de en
  • FR838451A - Improvements made to devices for packaging certain articles, candies, cookies, pharmaceutical products, etc. : en fr
  • FR838526A - Stand for bicycles and similar vehicles : en fr
  • FR838482A - Motor vehicle, in particular tractor, with a gasifier disposed on this vehicle : en fr
  • GB502051A - Improvements in illuminating means for the transmission of television and the like : en
  • US2149539A - Combustion apparatus : en
  • US2149436A - Manufacture of wires of magnesium or alloys thereof : en
  • US2149562A - Process for producing liquid fuels from gaseous olefins : en
  • US2149302A - Sighting device for headlight testing apparatus : en
  • US2149389A - Caster : en
  • US2149943A - Fractionating method : en
  • US2149425A - Rubber thread and method of making same : en
  • US2149668A - Change-speed gearing : en
  • US2150109A - Preparation of vat dyestuffs : en
  • AU71438A - Improvements in or relating tothe insertion of fasteners : en
  • CA379906A - Plough : en fr
  • DE672810C - Hand crank : de en
  • DE672522C - V-belt variable speed gearbox : de en
  • GB501989A - Improvements in or relating to internally fired steam generators, hot water boilers or heaters : en
  • US2149916A - Decalcomania : en
  • USD113632S - Design for a cooking vessel : en
  • DE672858C - Process for the preparation of a 1-amino-2-oxynaphthalenesulfonic acid-3-carboxylic acid or a corresponding 2-oxynaphthalenesulfonic acid-3-carboxylic acid : de en
  • AU70738A - Improved manufacture of amine resins: the application thereof as base exchange bodies orthe like : en
  • US2149695A - Electrically controlled lock : en
  • US2149595A - Process for making clay pots : en
  • US2149956A - Filtering apparatus : en
  • DE672824C - Device for damping ship roll movements : de en
  • US2149652A - Head mirror : en
  • US2149922A - Book page protector : en
  • US2149828A - Process and apparatus for cracking oil : en
  • DE672770C - Device for separating the sheets from the stack : de en
  • CA379876A - Tuning indicator tube : en fr
  • AU80038A - Diode oscillator tube construction : en
  • DE672685C - Covering means for producing hollow cast blocks : de en
  • GB501758A - Improvements in or relating to power transmission and control : en
  • AU338938A - Improvements in or relating to television systems and methods of scanning a field for television and the like : en
  • US2149552A - Shoe : en
  • US2149759A - Manufacture of phenol-olefin reaction products useful as gasoline gum inhibitors : en
  • USD113620S - Design for a shoe sole : en
  • DE672814C - Hydraulic or pneumatic adjustment mechanism for areas subject to flow : de en
  • DE672921C - Gas generators : de en
  • US2149614A - Brake mechanism : en
  • DE672697C - Zipper tape with woven-in electrical conductors for treating the clamped-on metallic closure links in an electrolytic bath : de en
  • US2149295A - Safety valve for hydraulic brakes : en
  • US2149556A - Electrostatic cleaner : en
  • US2149674A - Clothes hanger : en
  • US2149906A - Barrel sput : en
  • AU106718B2 - Improvements in electric cables : en
  • US2149384A - View finder for photographic cameras : en
  • US2149471A - Saw-tooth wave generator : en
  • US2149845A - Skyrocket : en
  • US2149418A - Electromagnetic device : en
  • US2149818A - Building construction : en
  • GB501891A - Television receiving apparatus : en
  • AU106716B2 - Improvements inthe manufacture of buttons, buckles andthe like from casein : en
  • CA379963A - Universal joint assembly : en fr
  • US2149888A - Weighing scale : en
  • GB501940A - Improvements in furnaces for solid fuel : en
  • DE672764C - Device for the automatic removal of weighed portions of pourable or powdery material from a store : de en
  • FR838619A - Improvements to clamps : en fr
  • FR838440A - Off-beat recording : en fr
  • US2149327A - Method of preparing anhydrous ferric sulphate : en
  • US2149840A - Draft gear coupling arrangement : en
  • DE672670C - Device for automatically maintaining the highest possible voltage of high-voltage direct currents used for feeding electrical gas cleaning or gas testing apparatus : de en
  • CA379978A - Decorating device : en fr
  • US2150058A - Food package : en
  • AT155677B - Method and device for receiving modulated carrier frequency oscillations. : de en
  • AT155726B - Device for picking up drop stitches in knitted fabrics. : de en
  • US2149601A - Binocular viewing device for stereophotogrammetric instruments : en
  • US2149634A - Transformer fault indicating means : en
  • DE661844C - Rolled zinc foil : de en
  • US2149996A - Live bait carrier : en
  • US2150065A - Pen desk set : en
  • US2150088A - Fishing reel : en
  • AU25438A - Improvements in gas taps : en
  • AT155723B - Device for applying a coating to a web. : de en
  • US2150028A - Typewriting machine : en
  • AT155745B - Centrifugal pump with axially movable shaft. : de en
  • AU106704B2 - Method of and apparatus for eliminating spurious signals in television transmission systems : en
  • CA379976A - Carton for bottles : en fr
  • DE672684C - Device for sieving foundry molding sand by means of sieving and grinding tracks arranged alternately one behind the other : de en
  • DK55916C - Light-reflecting traffic signal. : da en
  • US2149858A - Vulcanization accelerator and process of making the same : en
  • US2149900A - Production of valuable liquid hydrocarbons : en
  • US2150035A - Coal distributor for stoker retorts : en
  • GB501882A - Improvements in or relating to laminated elastic fabrics and the method of making same : en
  • DE672683C - Porcelain tooth bridge : de en
  • CA379888A - Circuit breaker : en fr
  • US2149744A - Air launder : en
  • US2149975A - Elastic composition : en
  • DE672588C - Device that removes the tobacco supply from a container in portions and delivers it outside the container : de en
  • US2149568A - Picker for textile machinery : en
  • DE672628C - Device for stepless regulation of reciprocating compressors : de en
  • US2149549A - Adjustable lamp socket : en
  • AU505737A - Improved amplifying systems using negative feedback : en
  • US2149521A - Roofing tile : en
  • US2149835A - Stove : en
  • FR838571A - Improvements to metal closure caps for containers : en fr
  • USD113616S - Design for a spoon or similar article : en
  • DK55911C - Construction kits for the production of model buildings from model building blocks and methods for the production of these stones. : da en
  • FR838649A - Manufacturing process for grinding bodies : en fr
  • US2149825A - Methods and compositions for spraying metal : en
  • DK55897C - Machine for winding and punching sheet metal for the production of annular magnetic cores for dynamos. : da en
  • GB501926A - Improvements relating to directional ventilation louvres : en
  • GB502020A - Improvements in and relating to the heat treatment of metals in molten salt baths : en
  • US2149597A - Illuminated vehicle mirror : en
  • US2150064A - Refrigerator : en
  • FR838428A - Device for bottling liquids : en fr
  • GB501850A - Improvements in or relating to electric cables : en
  • GB502153A - Improvements in or relating to cinematograph projection and like screens : en
  • US2149403A - Shaving implement : en
  • US2149815A - Amusement device : en
  • US2149525A - Separation of aminodiphenyls : en
  • US2150084A - Kefining benzol light oil for : en
  • USD113644S - Design for a shoe : en
  • USRE21026E - Control system : en
  • FR838633A - Process for applying lacquers, varnishes, paints, primers and other coating substances by spraying and in concentrated form, and devices comprising the application thereof : en fr
  • US2149746A - Spring attaching means : en
  • AT155740B - Pump, such as suction, pressure, spray pump or the like. : de en
  • DE672711C - Process for the production of cast iron centrifugally cast pipes cast in chilled molds : de en
  • FR838476A - Water-insoluble azo dyes and process for their preparation : en fr
  • FR838606A - Improvements to gas or vapor discharge devices with one or more grids, intended for transforming currents or voltages : en fr
  • FR838617A - Control mechanism, continuously variable, between wide limits, of the pitch of air and marine propellers : en fr
  • US2149355A - Selective system : en
  • US2150060A - Stabilizing color binding agent : en
  • DE672890C - Attachment of a pair of pushers in the nut : de en
  • US2149874A - Well point : en
  • USD113664S - Design fob a casing for a pump unit : en
  • FR838554A - Water skiing and canoeing : en fr
  • GB502093A - A new or improved means for operating flying or other controls of aircraft, airships, and other ships and vehicles : en
  • GB501774A - A bearing arrangement for heavily loaded roller bearings : en
  • US2150119A - Cracking asphaltic oil : en
  • USD113618S - Design for a slipper or similar : en
  • USD113669S - Design for a lady s handbag : en
  • DE672618C - Circuit for receiving or amplifying modulated high-frequency oscillations : de en
  • FR838579A - Shuttle control for ribbon loom : en fr
  • FR838624A - Pulse sender for automatic network telephone set : en fr
  • US2149299A - Fluid distribution : en
  • US2149472A - Motor control system : en
  • US2149849A - Electron discharge device : en
  • US2149449A - Scanning device : en
  • US2149693A - Loom : en
  • GB501965A - Improvements in or relating to shaving or hair cutting devices : en
  • US2149933A - Flexible ice tray grid : en
  • US2149401A - Inclinometer : en
  • US2149964A - Oil wiping machine : en
  • DE672643C - Valve control for hydraulic multi-cylinder presses connected to a common feed line : de en
  • US2149796A - Paper holder : en
  • DE672662C - Germ killing method : de en
  • AU321238A - Improvements in or relating to devices comprising an electric discharge tube ofthe beam type : en
  • USD113637S - Design for a display stand : en
  • GB501959A - Apparatus for the production of electrically welded tubes from metal strip : en
  • US2150105A - Marginal reinforcing for treads : en
  • US2149496A - Brake arrangement : en
  • DE672924C - Process for atomizing volatile substances : de en
  • DE672794C - Amplification Meter : de en
  • US2149857A - Oiliness agent in lubricating oils : en
  • US2149307A - Coating apparatus for strip material : en
  • US2149453A - Vacuum scrubber : en
  • AT155671B - Gluing press for film tapes or the like. : de en
  • FR838432A - Instrument for spectroscopic determination of the reduction coefficient of oxyhemoglobin : en fr
  • FR838434A - Process for manufacturing aliphatic ketonaniles : en fr
  • US2149382A - Air distributor : en
  • DK55909C - Sealing device at Doors. : da en
  • US2149541A - Wrench : en
  • US2150016A - Method of printing and punching blanks : en
  • USD113650S - Design for a puzzle : en
  • US2149897A - Trial lens : en
  • US2149330A - Method of and apparatus for treating dies : en
  • US2149463A - Electric cutter and trimmer : en
  • DK55914C - Directions to Bicycles. : da en
  • US2149264A - Toy typewriter : en
  • US2149489A - Album : en
  • US2149802A - Process for the extraction of root starches : en
  • USD113687S - Design fob a pocket medicine : en
  • US2149683A - Earth fault control arrangement for polyphase alternating current transmission and distribution systems : en
  • DE672600C - Compression vacuum gauge : de en
  • AU106758B2 - Derivatives of cyclopentano-dimethyl-polyhydro-phenanthrene andthe manufacture thereof : en
  • DE672910C - Process for the preparation of 2-oxy-6-aminonaphthalene : de en
  • US2149363A - Advertising and educational device : en
  • US2149778A - Bobbin stripper : en
  • FR838480A - Device for reducing the number of boards or boxes for ordering shuttle boxes : en fr
  • DE672788C - Intermediate runners for axially loaded steam turbines : de en
  • GR8039B - PERFECTIONS IN OR IN RELATION TO ANTI-SEXY PERSON MADE OF ELASTIC HAIR. : el en
  • GR8044B - APPLIANCE FOR SHOCKING OLIVE TREE BRANCHES TO METHOD MOVED HARVEST. : el en
  • DE672545C - Vertical chamber furnace with purge gas heating : de en
  • GB501964A - Improvements in or relating to measuring apparatus : en
  • US2149348A - Dust collecting device : en
  • US2149276A - Paper dispenser : en
  • US2150098A - Cooling means for combustion turbines : en
  • US2149766A - Thread carrying cone : en
  • US2150130A - Removable paneling : en
  • US2149953A - Automatic leveler for gravity measuring instruments : en
  • FR838585A - Method and means for preventing deformation of sheet metal objects and assemblies, especially during welding operations : en fr
  • FR838623A - Method and device for supplying burners by means of a gas stored under pressure at the user's premises : en fr
  • US2150070A - Telemeter-type internal caliper : en
  • DE672869C - Control device with an electric servomotor controlled by a measuring element via contactors : de en
  • FR838516A - Continuous rolling mill for the manufacture of tubes : en fr
  • FR838568A - Improvements to the control mechanisms of variable stroke hydraulic pumps : en fr
  • GB501870A - Improvements in method of constructing tunnels : en
  • DE672433C - Device for alkalizing cellulose sheets in packets : de en
  • DE672592C - Compressed gas switch : de en
  • GB501913A - Process for dyeing cellulose and cellulose derivative-fibrous material with acid dyestuffs : en
  • GB502065A - Improvements in and relating to cooling apparatus for tempering glass : en
  • DE672888C - Device for reversing negatives by electrical means in order to test their ability to be copied : de en
  • AT155715B - Device for the proportionate addition of liquids or gases to a liquid or gas flowing through a line. : de en
  • GB501777A - Improvements in or relating to gun barrels for ordnance : en
  • CA379880A - Tandem machine synchronizing mechanism : en fr
  • CA379878A - Vacuum cleaner : en fr
  • AU106750B2 - A petrol feeding system fora petrol engine : en
  • IE15601L - Electrical testing apparatus : en
  • US2149554A - Machine for the production of box parts : en
  • US2149727A - Volume control system : en
  • AU37838A - Improvements in or relating to tdevices for driving posts, stakes and the like into the ground : en
  • US2149373A - Melting and purifying sulphur : en
  • US2149374A - Shock absorber : en
  • AU106774B2 - Improvements in and relating to pulverizing mills : en
  • US2149529A - Transformer unit : en
  • AT155728B - Numbering mechanism. : de en
  • AT155705B - Process for the production of high pressure pipes from hardening substances. : de en
  • CA379964A - Clutch assembly : en fr
  • AT155722B - Printing press. : de en
  • FR838435A - Servo control unit for hydraulic vehicle brakes : en fr
  • US2150011A - Power steering mechanism : en
  • US2150012A - Circuit breaker : en
  • DE672838C - Method for operating steam railcars with several steam engines that can be individually switched on and off : de en
  • US2149293A - Decoratively covered object of irregular surface contour and method : en
  • AT155739B - Evaporation carburetor. : de en
  • AT155730B - Spindle, especially electrospindle, for more than 10,000 revolutions per minute. : de en
  • AU106699B2 - An improved multiple head filling machine for filling carbonated liquids to bottles or bottles or other containers under the counter pressure system : en
  • AU106717B2 - Sedimentation apparatus : en
  • AT155680B - Drive mechanism for the tuning organs of radio sets u. like : de en
  • AU106759B2 - Improvement in multiband receivers : en
  • DE672719C - High-voltage discharge vessel with internal electrodes and directed bundles of electrons, in particular Roentgen tubes : de en
  • DE672611C - Process for the pretreatment of coarsely ground lignite for pressure hydrogenation : de en
  • CA379940A - Geodesic production : en fr
  • DE672631C - Container for tablets, pills or the like. : de en
  • AU106757B2 - Concrete composition building brick or block : en
  • GB502039A - Improvements in or relating to electric condensers : en
  • AT155719B - Free swinging wheel suspension for vehicles. : de en
  • AU107338A - Improvements in or relating to selective devices madeup from number of bandpass filters : en
  • DE672591C - Coupling, especially for railcars : de en
  • DE672607C - Method for producing a fermented beverage : de en
  • AU172338A - Improvement in multiband receivers : en
  • US2150076A - Refrigeration : en
  • FR838497A - Violin : en fr
  • US2149836A - Intake silencer : en
  • DE672589C - Pneumatic tube system : de en
  • DE672733C - Control of a double extraction steam turbine with an upstream turbine : de en
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  • FR838603A - Fire extinguisher tube : en fr
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  • US2149907A - Universal joint : en
  • US2149966A - Adding nitrogen values to superphosphate : en
  • GB502081A - Improvements in or relating to shaving devices : en
  • FR838415A - Flight monitoring instrument, especially for fast airplanes : en fr
  • FR838522A - rocket elements rotating projectiles : en fr
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  • GB502026A - Improvements in or relating to wrapping paper for photographic film : en
  • AT155689B - Film cassette for cinematographic recording apparatus. : de en
  • DE672716C - Device for regulating technical and physical operating parameters, in particular the output of a power plant according to a schedule : de en
  • DE672757C - Process for peeling grains : de en
  • DE672595C - Device for regulating the welding currents of direct current arc welding generators : de en
  • FR838595A - Notepad : en fr
  • USD113678S - Design for a heater : en
  • FR838416A - Electric capacitor provided with a sheath in a mass capable of being cast : en fr
  • US2149973A - Hinge : en
  • US2149501A - Record : en
  • AU111524B2 - The manufacture of benzene sulphonic acid derivatives : en
  • CA379948A - Clothing pressing machine : en fr
  • US2149473A - Imidazolines : en
  • US2149887A - Device for providing torsional resistance : en
  • US2149962A - Soldering flux : en
  • USD113680S - Design fob a clothes sprinkler : en
  • DK55907C - Procedure for the manufacture of luminescent substances. : da en
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  • GB502029A - Improvements relating to independent road wheel mountings for motor vehicles : en
  • GB502102A - Process for the manufacture of amines : en
  • DE672759C - Ventilation device for motor vehicles : de en
  • GB502044A - A new or improved cement and process for manufacture thereof : en
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  • US2149257A - Method for production of beryllium copper alloys : en
  • US2149742A - Trim : en
  • US2149256A - Arrangement for measuring the losses in condenserlike objects : en
  • US2149811A - Window frame mounting : en
  • AT155737B - Device for shutting down internal combustion engines when there is a lack of oil. : de en
  • US2149718A - Brake controlling lever mechanism : en
  • USD113623S - Design for a lamp : en
  • US2149341A - Earphone support : en
  • USD113638S - Design for a ring mounting : en
  • USD113681S - Design for : en
  • US2150077A - Flow regulating means for oil wells : en
  • DE672629C - Band knife splitting machine : de en
  • GB502149A - Improvements in the manufacture and production of vat dyestuffs : en
  • FR838583A - : fr
  • DE672861C - Circuit arrangement for telecommunications systems, especially for call seekers in telephone systems : de en
  • US2149807A - Refrigerator cabinet : en
  • US2150078A - Driving and sealing means for rotary fluid impellers : en
  • US2149711A - Fountain brush : en
  • US2149469A - Timing and release mechanism for mechanical time fuses : en
  • FR838462A - Pendulum axle, in particular for motor vehicles : en fr
  • FR838635A - Immersion tube for vaporizer and its manufacturing process : en fr
  • GB501888A - Improvements in or connected with drawing and like pins : en
  • GB501997A - Improvements relating to clutch mechanisms for motor vehicles : en
  • GB502021A - Improvements in or relating to automatically operating clutch mechanisms : en
  • GB502024A - Improvements in or relating to mosaic electrodes for electronic scanning devices : en
  • US2149282A - Manufacture of paint : en
  • DE672843C - Clamping device, especially for cutting and punching tools : de en
  • US2149407A - Meat-slitting machine : en
  • US2149447A - Furnace for treating materials at high temperatures : en
  • US2150095A - Method of treating nickel-copper alloys and products resulting therefrom : en
  • DE672682C - Arrangement of the double electrodes in electric spot welding machines : de en
  • USD113696S - Design for a hat : en
  • US2149723A - Take-up mechanism : en
  • US2149259A - Grate construction : en
  • US2149624A - Braking device : en
  • US2150021A - Vehicle brake : en
  • CA379867A - Clothes washer : en fr
  • CA379949A - Railway car coupler device : en fr
  • CA379979A - Heater for railway switches : en fr
  • US2149437A - Method of keying radio transmitters : en
  • US2149899A - Timed sprinkler : en
  • AU177638A - Machine for cleaning intestines : en
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  • US2149475A - Printing and recording mechanism for weighing apparatus : en
  • US2149688A - Treatment of slag : en
  • DE672885C - Multi-chamber mill suitable for grinding drying : de en
  • US2149731A - Sharpener for cloth cutting machines : en
  • US2149252A - Process and apparatus for dewatering materials : en
  • DE672818C - Method and apparatus for manufacturing paper bottles with an inserted bottom : de en
  • US2149409A - Oscillating grinder : en
  • AT155700B - Telecommunication cable for the transmission of carrier frequency currents. : de en
  • US2149572A - Signal mechanism : en
  • US2149690A - G a snyder : en
  • AU106731B2 - Improvements in and relating to interchangeable panels for window backgrounds and other purposes : en
  • US2149467A - Center joint : en
  • USD113691S - Design fob a radiator grille guard : en
  • AU80438A - Boiling water heater with infusion device for beverages : en
  • AU200938A - Improvements in or relating to trusses for ruptures : en
  • US2149656A - Thermionic tube : en
  • CA379973A - Wheel disc : en fr
  • CA379969A - Slotted bolt and lock nut : en fr
  • US2149591A - Crankless diesel engine : en
  • US2149347A - Mower cutter bar unit : en
  • US2149764A - Magnetic filter : en
  • DE672400C - Coolable grinding roller : de en
  • US2149510A - Method and means for preventing deterioration of turbo-machines : en
  • US2149738A - Ironing machine : en
  • US2149474A - 4-nitro-2-amino-1-hydroxynaphthalene sulphonic a cids and process of making same : en
  • US2149596A - Method for producing metallic material : en
  • DE672908C - Gassengbrenner for endless yarns : de en
  • DE672800C - Remote control device for a direct current motor with electromagnetically released brake with two-part winding : de en
  • DE672822C - Pump toilet for submarines : de en
  • CA379968A - Pulp web drying method : en fr
  • US2149522A - Case and link receiver for aerial machine guns : en
  • CA379937A - Motion picture camera : en fr
  • US2149542A - Temperature control : en
  • US2149548A - Safety fence for highways : en
  • AU106712B2 - Improvements in or relating to sleeve cuffs : en
  • AU106740B2 - Improvemennts in or relating to circuit arrangements comprising an electric gas discharge tube : en
  • AU542937A - Means and method of generating a pulse ina cathode ray tube : en
  • GB501877A - Improvements relating to floor, wall and like coverings : en
  • DK55918C - Support frame for attaching washbasins to the wall. : da en
  • US2149581A - Pulverizer mill : en
  • USD113643S - Design for a manicure drier : en
  • DE672868C - Time switch with a self-starting synchronous motor and an auxiliary gear : de en
  • US2149621A - Connector : en
  • US2149986A - Flat knitting frame : en
  • CA379946A - Hydraulic sewage disintegrator : en fr
  • AT155708B - Process for the production of stable organic ferrous compounds. : de en
  • CA379873A - Carbon coated object production : en fr
  • AU86539A - Auxiliary fitting to control the supply of fluid toan outlet fitting such asa tap or cock : en
  • CA379863A - Web material steaming method : en fr
  • DE672725C - Slide or pressure skids for film machines : de en
  • AU111321B2 - Improvements in anti-friction bearings for cutting, grinding, drilling and like machines : en
  • AT155709B - Electric lamp. : de en
  • US2149360A - Portable line leveling device : en
  • US2149419A - Link type connecting rod : en
  • US2149608A - Method of producing cyanide : en
  • US2149625A - Folding box : en
  • AU171338A - Improvements in or relating to containers primarily intended to contain powder : en
  • AU106726B2 - Improvements in scanning discs for television : en
  • AU327038A - Improvements in or relating to electric discharge tubes comprising a fluorescent screen : en
  • US2150128A - Fish-cutting machine : en
  • US2149793A - Internal combustion engine : en
  • US2149267A - Fan : en
  • US2149721A - Thermionic oscillation generator : en
  • US2150133A - Elastic welt for stockings : en
  • US2149696A - Method of making heat exchangers : en
  • AU329338A - An improved method of mounting grid-shaped electrodes inan electric discharge tube and tubes produced in accordance with such method : en
  • AU106730B2 - Improvements in or relating tothe insertion of fasteners : en
  • CA379928A - Batch distillation apparatus : en fr
  • DE672614C - Tab switch mechanism for typewriters, accounting machines, etc. : de en
  • FR838499A - Filling material based on coffee grounds for pressed masses in synthetic resin : en fr
  • DE672783C - Jig drilling machine : de en
  • CA379971A - Wheel disc : en fr
  • AU106711B2 - Improvements in or relating to ignitible compositions suitable for example as fuse compositions : en
  • US2149430A - Cut-off machine : en
  • US2149506A - Method of bleaching minerals : en
  • US2149559A - Electric motor : en
  • US2149819A - Brassiere : en
  • AU106742B2 - Improvements in wire glass : en
  • US2149461A - Apparatus for filling cans : en
  • AU106720B2 - Improvements in or relating to electrical signalling systems particularly applicable to credit authorizing or like systems : en
  • CA379935A - Hot material conveying apparatus : en fr
  • DE672781C - Electrically operated escalator with automatic control device : de en
  • GB502173A - Process for the manufacture of cylic sulphonic acid amide compounds : en
  • US2149451A - Apparatus for voltage measurements : en
  • US2149927A - Material-treating machine : en
  • CA379911A - High vacuum distillation : en fr
  • US2150141A - Ring timber connector : en
  • US2150045A - Process of welding metals : en
  • US2150002A - Method for forming seams : en
  • US2149570A - Radio tuner : en
  • US2149917A - Selective extraction of rotenone by certain esters : en
  • US2150046A - Corer : en
  • US2149338A - Calculating machine : en
  • US2149770A - Liquid fuel furnace : en
  • DE672768C - Rolling mill with drive controlled automatically by photoelectric cells : de en
  • FR838452A - Improvements in processes and devices for manufacturing pressed articles or articles with decorative patterns or designs and in powdery materials : en fr
  • GB501866A - Improvements in and relating to adjustable speed polyphase motors : en
  • AU27138A - Transformation of relaxation oscillations : en
  • CA379951A - Soap bead production : en fr
  • AT155691B - Device for displaying the exhaustion status of gas filters and protective devices. : de en
  • AU106721B2 - Improvements in or relating to printing machines : en
  • US2149640A - Method of making car coupler yokes : en
  • USD113641S - Design for a curtain fabric or : en
  • CA379898A - Fluid pressure brake : en fr
  • US2149379A - Process for removing acid components from hydrocarbon solutions : en
  • CA379895A - Fluid compressor : en fr
  • FR838566A - Advertising device : en fr
  • USD113673S - Dress ensemble : en
  • AT155656B - Heating stirrer. : de en
  • AU106715B2 - Improvements in or relating to electric discharge tubes comprising a fluorescent screen : en
  • AU541337A - Improvements in or connected with brooms, brushes andthe like : en
  • GB502092A - Improvements in or relating to air-space insulated trunk communication cables with one or more concentric or stranded lines : en
  • US2149273A - Polyamides : en
  • US2149885A - Watt-hour meter with uniform damping adjustments : en
  • USD113633S - Design for a mechanical pencil or : en
  • USD113625S - Design for a tablecloth oe similar : en
  • USD113653S - Design for a therapeutic diagnostic : en
  • US2149516A - Internal combustion engine : en
  • DE672778C - Coal dust firing for steam boilers with radiant heating surface : de en
  • FR838489A - High sensitivity relay, especially for smoke detectors : en fr
  • CA379925A - Lead-in bushing : en fr
  • US2149352A - Universal joint : en
  • US2149543A - Seaming mechanism : en
  • CA379886A - Circuit breaker : en fr
  • AT155732B - Device for the production of barrel staves or the like. : de en
  • AU106706B2 - Ultrahigh frequency electron discharge device : en
  • FR838529A - Suspension, power and anchor bollard for contact lines of tramways, wireways and electric railways : en fr
  • GB501865A - Process of making glass articles having optically accurate surfaces and articles produced thereby : en
  • FR838509A - Dedusting installation, particularly for threshing machines : en fr
  • US2150127A - Stapling machine : en
  • AU69138A - An improved multiple head filling machine for filling carbonated liquids to bottles or bottles or other containers under the counter pressure system : en
  • CA379929A - Drilling tool orienting apparatus : en fr
  • CA379970A - Folding table : en fr
  • US2149763A - Universal joint : en
  • CA379891A - Electric discharge device : en fr
  • AU504537A - A petrol feeding system fora petrol engine : en
  • FR838464A - High frequency and high voltage cable : en fr
  • DE672624C - Device for measuring the intensity of fast, artificially generated, very short-lasting cathode rays : de en
  • AU111458B2 - Auxiliary fitting to control the supply of fluid toan outlet fitting such asa tap or cock : en
  • AU338638A - Improvements in or relating toa method of toasting bread andthe product resulting therefrom : en
  • GB502040A - Improvements relating to hinge joints : en
  • AU111238A - Improvements relating tothe distillation of coal andother carbonaceous substances : en
  • US2149268A - Perforating device : en
  • AU185538A - Improvement in broadband amplifier : en
  • FR838447A - Galvanization process and bath for its realization : en fr
  • FR838463A - Sunroof device for automobile body : en fr
  • FR838412A - Windbreaker for tent : en fr
  • GB502019A - Improvements in the construction of concrete road and like surfaces : en
  • GB502059A - Improvements in or relating to heating pads for the permanent waving of hair : en
  • GR8035B - HORSE MACHINE CARVING MACHINE FOR CEREALS. : el en
  • DE672581C - Device for pressing neck strips which are inserted into box parts with rounded corners : de en
  • DE672677C - Process for the production of chilled cast iron objects which should have only a slight white radiation into the gray core : de en
  • AT155668B - Stapler. : de en
  • USD113690S - Design for a cosmetic spreading : en
  • US2149479A - Scale : en
  • US2149920A - Extrusion device : en
  • US2150007A - Liquid-cooled electric lamp : en
  • US2149891A - Slag ladle : en
  • US2150004A - Shingle element : en
  • AU365337A - Automatic control means for water heaters : en
  • CA379868A - Clothes washing apparatus : en fr
  • US2149611A - Leakproof atomizer : en
  • US2149951A - Propeller : en
  • US2149995A - Razor : en
  • US2149876A - Soluble coffee product and method of preparing same : en
  • US2149912A - Method for the manufacture of clear ice : en
  • AT155651B - Cooking and heating stove. : de en
  • AU556738A - Improvements in or relating to driving mechanism for glass working machines : en
  • US2149679A - Match box : en
  • DK55912C - Thinner for Beets. : da en
  • GB502246A - Improvements in or relating to machines for blowing hollow glassware : en
  • US2149795A - Closure for collapsible containers : en
  • DE672777C - Tilting vibration generator with two mutually disabling discharge sections : de en
  • US2149536A - Treatment of textile materials : en
  • US2150030A - Method of forming inner trim panels : en
  • US2149994A - Electrical distribution system : en
  • US2149520A - Synthetic resins and process of making same : en
  • DE672849C - Envelope made of two stiff lids connected by a supple back : de en
  • AU79838A - Split cathode multiplier : en
  • FR838569A - Bowling game on table : en fr
  • GB502098A - Improvements in and relating to picture transmission, television and the like : en
  • CA379865A - Electron tube : en fr
  • DE672891C - Straightener : de en
  • DE672168C - U-shaped box girder for trolley tracks : de en
  • DE672859C - Rail butt connection with underpinning of the rail ends with butt plates : de en
  • US2149380A - Process for removing acid components from hydrocarbon solutions : en
  • US2149438A - Boiler : en
  • DE672650C - Springy heel : de en
  • DE672912C - Device to prevent incorrect switching or malfunctions in automatic crossing safety systems at crossings between electric tram tracks and railroad tracks : de en
  • CA379958A - Sanitary smoke cabinet : en fr
  • US2150089A - Circuit breaker : en
  • DE672833C - Burner for surface hardening of objects made of iron or steel : de en
  • DE672872C - High voltage transformer : de en
  • DE672880C - Curtain rod for curtains, drapes, etc. Like. panels of fabric : de en
  • FR838553A - Improvements to electrical transducers, in particular negative resistances : en fr
  • USD113634S - Design fob a brooch or similar : en
  • US2149651A - Brake construction : en
  • GB501966A - Improvements in or relating to television systems : en
  • US2149804A - Plastic impression compound : en
  • USD113615S - Design for a spoon ob similar article : en
  • US2149397A - Electric ignition system : en
  • US2150047A - Photoelectric exposure meter : en
  • GB501975A - Improvements in cigarette-making machines : en
  • FR838477A - Process for the production of composite pigments and pigments obtained by this process : en fr
  • FR838407A - Progressive speed modifier : en fr
  • US2150057A - Shoe sole : en
  • FR838574A - Mobile display panel : en fr
  • GB501860A - Improvements in mechanically operated presses in the manufacture of cardboard containers and the like : en
  • FR838427A - Extensible electrical cord or cord : en fr
  • GR8036B - AIR LIGHT ADVERTISING. : el en
  • US2149448A - Resistance element : en
  • USD113693S - Design for an antenna counterpoise : en
  • GB501936A - Improvements in illuminated signs : en
  • GB502086A - Apparatus for generating voltages of harmonic frequencies from an alternating current supply : en
  • US2149422A - Drafting triangle : en
  • US2149500A - Manifolding record assembly : en
  • US2149715A - Core orientation apparatus : en
  • US2149580A - Pulverizer mill : en
  • US2149630A - Adjustable perforated print shovel : en
  • US2150094A - Treatment of nickel and nickel alloys and products resulting therefrom : en
  • US2149672A - Process for making a press powder : en
  • US2149817A - Calculating machine : en
  • DE672724C - Disk polisher or the like with dust extraction : de en
  • DE672705C - Car wheel nut lock : de en
  • US2149694A - Spontaneously inflammable flashlight composition and method of preparation : en
  • US2149258A - Machine for grinding and shaping : en
  • US2149748A - Treatment of dispersions : en
  • US2150134A - Method for the bleaching of bast fibers : en
  • AT155697B - Method and device for producing crimped man-made staple fibers. : de en
  • CA379924A - Waterproof paper manufacture : en fr
  • US2149791A - Machine tool : en
  • US2150032A - Machine tool speed control : en
  • FR838448A - Air compressor with rotating piston and radially movable vanes : en fr
  • DE672580C - Process for increasing the feed value of dried fodder pulp : de en
  • US2149488A - ainsworth : en
  • US2149646A - Automatic telephone system : en
  • DE672686C - Method and device for cleaning core rings : de en
  • USD113672S - Design fob a beverage cooler : en
  • US2149615A - Holder for nursing bottles : en
  • CA379864A - Insecticide : en fr
  • FR838560A - Improvement provided in the establishment of dental suction and resulting industrial product : en fr
  • US2149708A - Treatment of bundles of artificial fibers : en
  • USD113661S - Design for a vehicle wheel : en
  • FR838650A - Improvement of metal tubes intended to be assembled by biconical joint or by welding : en fr
  • GB502399A - Improvements in or relating to automatically variable power transmission gears : en
  • US2149754A - Control apparatus : en
  • USD113621S - Design for a perfume display stand : en
  • USD113692S - Design for a ring or similar article : en
  • US2149262A - Clutch control : en
  • US2149309A - Alkali cellulose : en
  • US2149450A - Oscillation generation : en
  • US2149582A - Pulverizer mill : en
  • US2149589A - Means for stacking pipe : en
  • US2150131A - Hay fever antigen : en
  • DE672845C - Gas weapons : de en
  • FR838616A - Device for adjusting the opening of automatic clamshells : en fr
  • GB501924A - Improvements in inking rolls : en
  • US2149610A - Regenerator : en
  • CA379904A - Bimetallic article rolling method and apparatus : en fr
  • FR838504A - Process for the manufacture of balance springs for watches, chronometers, etc. : en fr
  • GB501948A - Improvements in or relating to belts : en
  • GB501999A - Improvements in and relating to the production of high grade cellulose : en
  • US2149808A - Emergency automatic radio transmitter : en
  • FR838552A - Process for manufacturing construction elements or molded elements of all kinds from pieces of fibrous materials comprising binders : en fr
  • US2149428A - Weft inserting mechanism for looms : en
  • USD113619S - Design for a textile fabric : en
  • US2149406A - Absorber for refrigerating systems : en
  • CA379967A - Multiplex carrier frequency communication system : en fr
  • AT155718B - Device for the continuous production of carbon black. : de en
  • GB502017A - Improving the stability of luminous paints : en
  • GB501929A - Improvements in or relating to mattresses : en
  • AT155657B - Bucket elevator. : de en
  • US2149675A - Variable speed transmission : en
  • DK55913C - Inflow and outflow device at the Working Cylinder in single-piston Two-stroke internal combustion engines. : da en
  • FR838409A - Central comparator : en fr
  • US2149937A - Absorption medium : en
  • AT155653B - Capsule sealing machine. : de en
  • FR838478A - Process for the production of finely divided calcium sulfate : en fr
  • GB502170A - Improvements in or relating to the treatment of sewage and other polluted waters : en
  • FR838422A - Acid dyes of the triphenyl-methane series and method of preparing these dyes : en fr
  • FR838608A - Chute valve control system : en fr
  • AT155687B - Switching device for punched tape devices. : de en
  • AU106696B2 - Improvements in or relating to keyboard mechanisms of telegraph transmitters : en
  • GB501932A - Improvements in the manufacture of ketones : en
  • GB501945A - Improvements in or relating to gyroverticals : en
  • FR838547A - Apparatus for producing anesthesia : en fr