- DE582256C - Round or swing boat sewing or embroidery machine with shuttle housing bridge :
de
en
- US1921027A - Toy for horticultural purposes :
en
- GB396505A - Improvements relating to chain cases for cycles and the like :
en
- FR750361A - Double-acting adjuster for vehicle brake control linkages and other applications :
en
fr
- GB396504A - Improvements in and relating to statistical machines :
en
- GB396533A - A slide rule connecting data relating to the discharge of water from nozzles :
en
- US1921816A - Eccentric driven high pressure pump :
en
- FR750563A - Car wheel mounted camping table :
en
fr
- GB396788A - Improvements in or relating to tobacco feeding devices :
en
- CA334773A - Turbine blading :
en
fr
- FR750498A - Coupling, in particular for controlling vehicles, comprising coil springs inserted between the driving part and the driven part :
en
fr
- AT134447B - Hand grinding and polishing device. :
de
en
- US1921263A - Window regulator :
en
- US1921683A - Tank heater :
en
- US1921803A - Car roof :
en
- US1921402A - Tape drive :
en
- US1921882A - Railway car truck and journal box :
en
- DE582337C - Steam water drain with a damming body and a valve upstream of this damming body :
de
en
- DE582008C - Concentric connector for the low-voltage lines of a tent lighting system :
de
en
- FR750262A - Advanced tensioner for use by shoe repairers :
en
fr
- GB397114A - Improvements in or relating to the manufacture of artificial filaments and the like :
en
- US1921216A - Roller bit :
en
- CA334712A - Tire bead flipper machine :
en
fr
- GB396548A - Improvements in automatic control gear for intermittent operation of reversing electric motors :
en
- FR750216A - Limited power electric transformer :
en
fr
- FR750541A - :
fr
- FR750433A - Mixed ice and roller skates :
en
fr
- FR750234A - Process for core fireproofing of plywood :
en
fr
- FR750342A - Process for using sulfur-containing oils in excipients consisting of fatty bodies :
en
fr
- DE582273C - DC power supply unit :
de
en
- US1921947A - Resist paste :
en
- FR750367A - Method and installation for determining the composition of the atmosphere of furnaces :
en
fr
- FR750511A - Automatic grader for citrus fruits and other fruits or the like :
en
fr
- GB396453A - Improvements in electrical insulators, electrical condensers and the like :
en
- GB396791A - Improvements in or relating to meters for measuring gaseous fluid :
en
- CA334697A - Partition plate clip :
en
fr
- DE582069C - Process for the production of printing forms for reproductions :
de
en
- FR750449A - Automatic super-oiler for explosion engines :
en
fr
- US1921253A - Fire unit for furnaces :
en
- FR750534A - Pipe joint :
en
fr
- DE582052C - Preparations for the preparation of solutions for rinsing living hair after washing with alkaline substances :
de
en
- CA334601A - Tobacco pipe :
en
fr
- GB396585A - Improvements relating to colour photography :
en
- DE582172C - Process for cleaning heavy petroleum fractions :
de
en
- DE582027C - Liquid level indicator for storage basins :
de
en
- FR750466A - Improvements in working with aluminum-based alloys :
en
fr
- DE582050C - Composite electrical and mechanical system for the transmission of an oscillation frequency band :
de
en
- DE582153C - Transportable ultra-short wave arrangement :
de
en
- FR750327A - Elastic lining for railcar wheels :
en
fr
- US1921795A - Switch :
en
- GB396748A - Improvements in and relating to apparatus for grading materials into different sizes :
en
- FR750368A - Multiple machine gun stand :
en
fr
- FR750408A - Electrostatic machine :
en
fr
- US1921325A - Sleeping compartment for automobiles :
en
- US1921686A - Ball grinding machine :
en
- US1921773A - Process for the production of zinc sulphate :
en
- FR750270A - Improvements to amplifier lamps :
en
fr
- US1921172A - Average temperature control mechanism for heating systems :
en
- US1921474A - Manufacture of pneumatic tire casings :
en
- US1921483A - Photoelectric cell :
en
- CA334759A - Tobacco stemming machine :
en
fr
- CA334627A - Plough :
en
fr
- GB396541A - Safety razor :
en
- GB397136A - Improvements in or relating to oils obtained from rubber :
en
- FR750572A - Fumivorous device for furnaces of boilers or others :
en
fr
- GB396674A - Improvements in or relating to piston packing rings :
en
- US1921294A - Airplane :
en
- DE582065C - Process for the production of elastic flat structures in web form, in particular also in application to the production of playing cards :
de
en
- DE582179C - Method for eliminating non-linear and / or phase distortions when reproducing optical sound recordings using slit-imaging optics :
de
en
- FR750283A - Improvements to winding devices for sewing machines :
en
fr
- GB396631A - Improvements in apparatus for applying cigar, cheroot or the like wrappers :
en
- US1921409A - Telephone system :
en
- US1921710A - Regulating system :
en
- US1922000A - Combined shackle and bearing mounting for vehicle springs :
en
- DE582280C - Pattern device for jacquard flat knitting machines :
de
en
- DE582071C - Device for lateral swiveling of a raised and lowered gutter sweeping brush with a horizontal shaft :
de
en
- DE582122C - Transformer control device :
de
en
- GB396681A - An improved method of preparing catalytic materials :
en
- US1921256A - Multicompartment tray and method of making the same :
en
- CA334719A - Therapeutic heating device :
en
fr
- CA334722A - Petroleum bottom dividing method :
en
fr
- DE582127C - Matting agent for paints and varnishes :
de
en
- DE582195C - Process for the direct production of condensation products from formaldehyde and coal tar oils :
de
en
- FR750444A - Improved machine for heating small oblong objects, in particular the welding of glass ampoules :
en
fr
- DE582111C - Dividing device for sausage filling machines :
de
en
- DE582166C - Process for the accelerated production of nitrided hardening layers on objects made of iron and its alloys :
de
en
- FR750396A - Improvement in towers :
en
fr
- GB396572A - Method of manufacture of tubes, posts or other hollow ware :
en
- GB396543A - An overlapping, continuously visible card index :
en
- FR750218A - Improvements to mechanical pencils with automatic mine feed :
en
fr
- AT134479B - Process for the processing of brown leather waste. :
de
en
- US1921466A - Automobile heater :
en
- US1921844A - Crystal controlled oscillator :
en
- FR750221A - Improvements to coffee filters :
en
fr
- US1921603A - Method and apparatus for cracking oils :
en
- US1921340A - Guiding device for sheet working printing presses :
en
- CA334595A - Clutching and declutching device :
en
fr
- US1921572A - Arc welding machine :
en
- DE582252C - Gas-filled photoelectric cell with a positively biased grid :
de
en
- FR750474A - Improvements relating to the conservation of oxidizable organic materials such as rubber :
en
fr
- IE13096L - Electrical heating :
en
- GB396717A - Improvements in the manufacture and production of cobalt nitrosocarbonyl :
en
- US1921663A - Shoe heel :
en
- US1921732A - Hot top :
en
- US1921859A - Elimination of key shocks :
en
- US1921959A - Material transporting and handling apparatus :
en
- FR750483A - Process for applying color for carbon paper on tracing or copying papers and forms :
en
fr
- AT134450B - Process for the production of cellulose acetate. :
de
en
- CA334687A - Cellulose plastic composition :
en
fr
- DE582190C - Fountain pen :
de
en
- US1921197A - Expansible sprocket or pulley :
en
- US1921271A - Belt for garments and the like articles :
en
- DE582121C - Transformer with disc coils separated from one another by support parts :
de
en
- GB396646A - Photographic filter layers or anti-halation layers :
en
- DE574392C - Spade with a rotating spade blade :
de
en
- FR750431A - Improvements to gas stoves or other similar devices :
en
fr
- DE582137C - Hose coupling :
de
en
- DE582044C - Process for the production of practically sulfur-free phenolate liquor :
de
en
- FR750459A - Relayless mounting mode for cinematographic systems with incandescent lamps :
en
fr
- DE582006C - Cathode ray television receiver :
de
en
- US1921069A - Safety lamp :
en
- US1921894A - Bolster bearing device :
en
- US1921127A - Voltage compensated refrigerator starter :
en
- US1921353A - Cooling bed :
en
- US1921651A - Picking and harvesting machine :
en
- US1921592A - Pawl conveyer for continuous heating furnaces :
en
- FR750471A - Hydraulic transmission liquid fuel pump for internal combustion engine of mechanical injection type :
en
fr
- GB396740A - Improvements in or relating to antenna systems :
en
- US1920969A - Mechanical movement :
en
- US1920967A - Mechanism for driving reels :
en
- US1921383A - Liquid cooler :
en
- USD90464S - Design for a bottle :
en
- US1921160A - Cone making machine :
en
- US1921094A - Bath spray or like connecter :
en
- US1921117A - Wave-meter for ultra-short waves :
en
- US1921541A - Camera shutter :
en
- DE582277C - Process for the preparation of water-insoluble monoazo dyes :
de
en
- US1921456A - Sheet rubber product :
en
- US1921526A - Coupling system :
en
- US1921332A - Zigzag folding map :
en
- US1921602A - Process for heating oil :
en
- CA334684A - Refrigerator control mechanism :
en
fr
- FR750533A - fancy case :
en
fr
- GB396734A - Improvements in or relating to shoe supports :
en
- AT134434B - Saw frame. :
de
en
- US1921307A - Golf ball marking apparatus :
en
- FR750583A - Safety closure for letters and securing device for this :
en
fr
- US1921546A - Treating process :
en
- US1921964A - Motion picture and sound record film :
en
- US1921019A - Tube cleaner :
en
- US1921249A - Cutting machine :
en
- US1921284A - Automobile body construction :
en
- US1922004A - Electrically lighted toy :
en
- CA334696A - Mattress tufting device :
en
fr
- US1921750A - Centrifugal separator for straining pulpy material, such as wood pulp, cellulose, paper pulp, and the like :
en
- US1920976A - Adjustable latch or closure device :
en
- US1920998A - Inseam shoe sewing machine :
en
- US1921978A - Connecting ring :
en
- US1921481A - Process for recovering potash salts from liquors containing borax :
en
- US1921657A - Fish lure :
en
- GB396530A - Improvements in or relating to playing balls, particularly golf or the like balls, and the manufacture thereof :
en
- GB396622A - Improved system for driving propellers :
en
- GB397137A - Improvements in yarn manufacture :
en
- US1921942A - Metallic propeller :
en
- US1921031A - Art of testing coins or other tokens for genuineness :
en
- US1921385A - Duplex control system :
en
- USD90447S - Design for a shoe :
en
- AT134500B - Gas heater. :
de
en
- GB396760A - Improvements in the production of organic amines :
en
- US1921776A - Synthetic production of methanol :
en
- FR750227A - Product for plant protection :
en
fr
- US1921365A - Pressure regulator :
en
- US1921555A - Sealing ring :
en
- US1921582A - Process of plasticizing and dispersing cellulose acetate :
en
- US1921753A - Fluid operated tool :
en
- DE582316C - Pneumatic tube system :
de
en
- CA334643A - Valve locking mechanism :
en
fr
- CA334780A - Cellulose derivative composition :
en
fr
- DE582202C - Device for the production of metal catalysts :
de
en
- DE582312C - Process for the production of bodies from mineral raw materials that cannot be pressed dry per se :
de
en
- GB396714A - Improvements in or relating to projection screens :
en
- CA334750A - Voltage compensator :
en
fr
- US1921049A - Baffle wall :
en
- US1921823A - Electrical connecter :
en
- US1920971A - Liquid level gauge with diaphragm seal :
en
- US1921769A - Driving axle :
en
- US1921504A - Composite web and method of making the same :
en
- FR750598A - New manufacturing process of imitation plumetis lace with tulle bottom type alencon and the like :
en
fr
- DE582078C - Frameless spring insert :
de
en
- GB396473A - Improvements in, or relating to, boring, grinding, and the like machines :
en
- AU761032A - Improvements in furnaces :
en
- CA334624A - Fertilizer distributor :
en
fr
- CA334609A - Lamp filament connector :
en
fr
- DE582204C - Telephone amplifier in double tube intermediate amplifier circuit :
de
en
- AT134462B - Fastening the cladding to metal walls, in particular for motor vehicle body. :
de
en
- GB396644A - Improvements in or relating to resilient power transmission mechanisms :
en
- AT134456B - Double tensioner for ski bindings. :
de
en
- DE550811C - Device for winding up a supply of yarn :
de
en
- DE582032C - Photographic camera with tape support, especially for reproduction :
de
en
- AT134495B - Spring clip for leaf spring hammers. :
de
en
- FR750273A - Casing for electric machines with jacket cooling :
en
fr
- AU856032A - Improvements in storage batteries ofthe iodine type :
en
- GB396673A - Improvements relating to door-closing devices :
en
- US1921590A - Fluid power controlling mechanism :
en
- US1921641A - Heel-concaving machine :
en
- GB396545A - Improvements in or relating to the production of asphaltic surfacing compositions :
en
- AT134487B - Process for applying radioactive substances to all kinds of carriers. :
de
en
- AT134467B - Device for holding objects that are difficult to bring into the image area. :
de
en
- AT134480B - Process for covering plaster walls and objects with a cement cold glaze. :
de
en
- DK47619C - Dust container for vacuum cleaners. :
da
en
- US1921360A - Mixtures of new isomeric dyestuffs and process of preparing them :
en
- US1921505A - Low apparent density sodium carbonate :
en
- USD90445S - Design fob a store front :
en
- US1921144A - Flexible shaft coupling :
en
- US1921893A - Propelling device :
en
- GB396743A - Improvements in and relating to the electrolytic treatment of aluminium and its alloys :
en
- US1921224A - Seat construction :
en
- CA334598A - Aluminium alloy :
en
fr
- SE77992C1 - DEVICE FOR ELECTROLYTICAL CELLS :
en
sv
- US1921045A - Draft gear :
en
- DE582041C - Switching device for crate ironers to open the protective grille :
de
en
- US1921124A - Ice cream and process of preparing same :
en
- USD90435S - Design for a textile fabric or :
en
- US1921168A - Apparatus for controlling transmitters :
en
- US1921103A - Radio log and holder therefor :
en
- US1921513A - Floor finishing machine :
en
- DE582138C - Stuffing box for shafts exposed to axial thrust, the part of which is conical in shape, which runs around the packing :
de
en
- FR750569A - Improvements made to manometric devices, in particular those for medical uses :
en
fr
- CA334736A - Cathode heating means :
en
fr
- US1920979A - Feeding mechanism for machine tools :
en
- US1921524A - Method of making insulating blocks :
en
- US1921650A - Picking machine :
en
- US1921143A - Brace for articles of furniture :
en
- US1921079A - Telegraph system :
en
- US1921852A - Light controlling method and means :
en
- US1921653A - Knuckle-jointed safety motorvehicle bumper :
en
- DK47621C - Hard plastic mass for cladding layers on walls, ceilings and the like and methods for mass production. :
da
en
- FR750488A - Improved process for bonding certain parts of a shoe to other parts of this shoe, and similar works :
en
fr
- GB396565A - Apparatus for delivering granular material :
en
- US1921392A - Plug fuse :
en
- US1921745A - Wire terminal :
en
- US1921810A - Boiler plug expander :
en
- US1921993A - Apparatus for low temperature carbonization :
en
- DE581943C - Circuit arrangement for the production of special operating connections in telephone systems with dialer operation :
de
en
- FR750226A - Automatic ignition cut-out for motor vehicle engines :
en
fr
- DE582054C - Device for the automatic opening and closing of sliding doors :
de
en
- DE582107C - Device for spinning and post-treating artificial silk :
de
en
- DE582193C - Device for adjusting the blades of turbines :
de
en
- US1921539A - Chemical pulping process :
en
- US1921767A - Method of making acid halides :
en
- US1921531A - Apparatus for and method of producing compressed gas :
en
- US1921999A - Bandage fastener :
en
- FR750343A - Improvements in vacuum cleaners for chimneys and others :
en
fr
- US1921169A - Battery terminal or connecter :
en
- US1921386A - Window sash construction :
en
- US1921851A - Hose supporter :
en
- US1921853A - Preparation of sound records for reproduction in combination with moving pictures :
en
- US1921234A - Graduated circle for radio direction finders :
en
- FR750312A - Advanced sole and its applications :
en
fr
- US1921258A - nordmann :
en
- GB396501A - Improvements in or relating to lighting effects in association with a musical instrument :
en
- US1920959A - Apparatus for adjusting aircraft for alpha predetermined course :
en
- US1921205A - Belt conveyer :
en
- CA334689A - Pasteurizer :
en
fr
- FR750293A - Double starched false collar :
en
fr
- FR750349A - Moldable plastic materials based on polymerized vinyl acetate and cellulosic esters :
en
fr
- GB396777A - Improvements in and relating to fabric measuring machines :
en
- AU862832A - Improvements in and connected with chicken brooders :
en
- CA334604A - Accordion :
en
fr
- CA334665A - Pressure valve :
en
fr
- DE582228C - Closing device for window shutters :
de
en
- FR750353A - Folding furniture :
en
fr
- GB396448A - Improvements in or relating to display or advertising signs, tablets or the like :
en
- FR750525A - Polishing liquid for cellulose lacquer :
en
fr
- GB396751A - Improvements in and relating to secondary electric cells :
en
- USRE18913E - Chair back ob rest :
en
- DE559722C - Method of manufacturing connector pins :
de
en
- DE582067C - Process and device for the production of low-boiling, liquid fuels from coal, tars, oils or bituminous substances :
de
en
- FR750535A - Double-branch pin or dowel :
en
fr
- GB396710A - Improvements in or relating to machines for operating upon soles of shoes :
en
- GB396682A - Improvements in apparatus or devices for screening or separating materials :
en
- DE582148C - Process for the preparation of salts of salicylic acid :
de
en
- GB396639A - Improvements relating to the admission of air to the induction pipes of internal-combustion engines :
en
- GB396484A - Improvements in or relating to optical aiming devices for machine guns :
en
- GB396508A - Improvements relating to inking rolls of printing machines :
en
- GB396773A - Improvements in or relating to tea-pots, coffee pots, hot water jugs and the like :
en
- GB396792A - Improvements in or relating to the manufacture of artificial filaments and the like :
en
- US1921434A - Spare wheel lock :
en
- US1921174A - Braiding machine :
en
- FR750437A - Typist Work Control System :
en
fr
- US1921088A - Wave signaling system :
en
- US1921733A - Timing device for controlling telephone or other circuits :
en
- DE582242C - Coke extinguishing and loading device :
de
en
- FR750576A - Undeformable tie :
en
fr
- GB396553A - Improvements in bibcocks and operating means therefor :
en
- US1921418A - Alloy :
en
- GB397139A - Improvements in or relating to ventilators :
en
- GB397154A - Improvements relating to the protection of cathodes of thermionic valves :
en
- DE582194C - Connection sleeve for the extension members of an iron pit lining that collide with the interposition of a flexible insert :
de
en
- FR750311A - Capier machine :
en
fr
- GB396540A - Mechanism for controlling a side-slip indicator device for the instruction of aircraft pilots :
en
- GB396711A - Improvements in domestic hot water boilers :
en
- DE582125C - Device for improving the load curve of induction measuring devices using a magnetic shunt attached to the current iron :
de
en
- CA334753A - Stoker :
en
fr
- US1921817A - Domestic heater :
en
- US1921902A - Thread changing feeder mechanism of circular knitting machines :
en
- US1921940A - Air heater and circulator for hair drying systems :
en
- US1921784A - sklarek :
en
- US1921609A - Compressor governor :
en
- AU892832A - Improvements in propellers :
en
- US1921693A - Control of acceleration and braking of vehicles driven by internal combustion engines :
en
- CA334772A - Delustered rayon :
en
fr
- CA334605A - Coupling :
en
fr
- US1921598A - Power transmission mechanism :
en
- FR750211A - Electric generator for lighting and ignition :
en
fr
- FR750478A - Arrangement for voltage adjustment by means of controlled discharge vessels :
en
fr
- FR750530A - Method of construction of dam walls and elements for its execution :
en
fr
- US1921296A - Filter :
en
- US1921372A - Match packet and method :
en
- US1921771A - Conveyer device :
en
- AT134405B - Device for recording sounds. :
de
en
- USD90436S - Design for a textile fabric or :
en
- DE582167C - Procedure for adjusting and positioning the armature in relation to the poles of the magnet system :
de
en
- AU401526B2 - Improvements in or relating to arrangements for detecting electro-magnetic radiation :
en
- US1921219A - Force-feed lubrication pump :
en
- FR750499A - Method of fixing the straps for watch bands :
en
fr
- FR750322A - Die for wrapping machines :
en
fr
- FR750538A - Process for producing water practically free from salts, acids and gases :
en
fr
- DE582173C - Improvement of lubricating oils :
de
en
- DE582291C - Device for displaying excessive speeds in vehicles :
de
en
- GB396567A - Improvements relating to sparking plugs and like ignition devices :
en
- US1921225A - Spare wheel lock :
en
- US1921231A - Apparatus for cooking :
en
- US1921354A - Combined cigarette case and lighter :
en
- CA334610A - Paper machine suction box :
en
fr
- FR750403A - Process for preparing a solid glue, particularly applicable to the veneer of wood and resulting products :
en
fr
- GB396568A - An improved process of and apparatus for the production of ketens by pyrolysis :
en
- FR750338A - Improvements to electro-optical devices :
en
fr
- GB396721A - Improvements in or relating to yarn or like packages and supports therefor :
en
- US1921211A - Sandpaper holder device :
en
- US1921770A - Motor starting system :
en
- US1921930A - Golf club shaft :
en
- US1921433A - Constant temperature apparatus :
en
- US1921470A - Method of visually recording sound beats :
en
- US1921630A - Method and instrument for determining the position of targets emitting short flashesof light :
en
- US1921162A - Electrical wiring appliance :
en
- US1921317A - Cigarette making machinery :
en
- US1921357A - Connection with continuous rolling machines and the like :
en
- DE582128C - Glue extenders :
de
en
- US1921240A - Pouring cup :
en
- US1921640A - Transmitter tube for ultra-short waves :
en
- AT134489B - Device for forming hand chains. :
de
en
- US1921196A - Burner control apparatus :
en
- US1921685A - Concrete mixer :
en
- US1921879A - Process for producing dichloroethylene :
en
- US1921378A - Production of polymerization products from alkylene oxides :
en
- DE582234C - Twisting process :
de
en
- GB396759A - Improvements in electric power transmission :
en
- US1921648A - Pipe insulation :
en
- US1921384A - Wire stripping apparatus :
en
- US1922005A - Method of plating :
en
- USD90446S - Design fob :
en
- CA334678A - Collet means :
en
fr
- CA334600A - Buoyant aeroplane :
en
fr
- CA334717A - Slicing machine :
en
fr
- US1921212A - Operation of furnaces :
en
- US1921627A - Rope brake and lock :
en
- FR750324A - Double turn adjustable length watch strap :
en
fr
- US1921608A - Laboratory switchboard system :
en
- US1921380A - Timing device :
en
- US1921573A - Ebullition initiator :
en
- FR750546A - electrode applicable in surgery :
en
fr
- CA334644A - Vise :
en
fr
- US1921595A - Clock :
en
- CA334620A - Waste sulphite liquor processing :
en
fr
- CA334745A - Olefine alcohol :
en
fr
- GB396767A - Improvements relating to the removal of ash from furnaces :
en
- AT134403B - Protective devices on metal parts located inside electrical discharge vessels prevent discharges. :
de
en
- GB396736A - Improvements in or relating to the production of pattern effects on textile and other materials :
en
- US1920997A - Railway motor truck structure :
en
- US1921259A - Joint for heater coils :
en
- DE582095C - Light buoy :
de
en
- GB396458A - A photographic slide or holder for flexible light sensitised surfaces :
en
- GB396679A - Improvements in cash registers or the like :
en
- US1921469A - Film editing machine :
en
- US1921751A - Method of treating petroleum emulsions :
en
- DK47610C - Electric drive Compressor for Refrigeration systems, especially for Refrigerators .. :
da
en
- US1921749A - Driving mechanism :
en
- US1921618A - Nose ring fitting apparatus :
en
- US1921885A - Fertilizer attachment for planters :
en
- US1921507A - Heating furnace :
en
- US1921623A - Method of splicing rubber articles :
en
- US1921662A - Rotary steam engine :
en
- US1921921A - Sponge washer :
en
- US1921415A - Door operating mechanism :
en
- USD90460S - Design fob a textile fabric ob :
en
- CA334623A - Pneumatic cleaner :
en
fr
- US1921916A - Portable pump :
en
- US1921914A - Disintegrating machine :
en
- CA334735A - Superheterodyne radio receiver :
en
fr
- US1921475A - Wheel construction :
en
- US1921628A - Portable electric hammer :
en
- USD90463S - Design fob a shoe sole :
en
- FR750472A - Control of the blades of blade chains used to operate boats :
en
fr
- AU805532A - Apparatus for lifting bales, bags and the like :
en
- US1921194A - Railway spike :
en
- US1921283A - Traveling cultivator :
en
- US1921644A - Car door construction :
en
- AT134425B - Reinforced concrete beams. :
de
en
- US1921558A - Dumping car :
en
- US1921846A - Valve :
en
- US1921966A - Production of wood pulp :
en
- US1921204A - Voltage compensated starting relay for split phase motors :
en
- US1921714A - Grinding machine :
en
- US1921768A - Joint for barrels and the like :
en
- US1921837A - Brake shoe :
en
- US1921950A - Nonfogging photographic packing materials :
en
- AT134444B - Circuit arrangement in telegraph exchanges with relay transmission circuits. :
de
en
- FR750303A - Forced circulation steam generator :
en
fr
- US1921633A - Fruit halving and quartering machine :
en
- US1921237A - Tile making machine :
en
- GB396607A - Improved method of and machine for making cigar fillers :
en
- US1921566A - Production of valuable products from tall oil :
en
- DE560904C - Process for the production of pieces of wire rope fabric for conveyor belts :
de
en
- DK47611C - Combustion engine of the Diesel or Semi-Diesel type or similar Engine with Compression Ignition. :
da
en
- FR750243A - Process for the preparation of secondary aromatic amines :
en
fr
- US1921473A - Manufacture of pneumatic tire casings :
en
- CA334673A - Meat sawing apparatus :
en
fr
- DE582306C - Food can, especially for canned fish :
de
en
- AT134482B - Single dispenser cigarette case. :
de
en
- DE582161C - Manufacture of cleaning openings on pipe elbows made of lead using the pressing process :
de
en
- US1921895A - Fuel mixing apparatus :
en
- US1921348A - Dish :
en
- US1921559A - Film spool for roll-holding cameras :
en
- CA334675A - Cement cork shingle :
en
fr
- DE582136C - Pipe and hose coupling with valve that opens and closes automatically when coupling and releasing :
de
en
- US1921989A - Mechanism for feeding to, and clamping bodies in, machines :
en
- US1921569A - Sawmill :
en
- US1921010A - Art of coloring mineral matter :
en
- US1921180A - Process for the purification of copper :
en
- US1921629A - Header structure and fastening arrangement therefor :
en
- US1921439A - Vacuum cleaner handle structure :
en
- US1921460A - Garden chair :
en
- US1921496A - Production of benzanthrone derivatives :
en
- CA334594A - Liquid heating and transferring apparatus :
en
fr
- US1921055A - Method of and apparatus for preparing fish and fillets for storage :
en
- US1921151A - Mounting plate for outlet boxes :
en
- US1921593A - Brake :
en
- US1921101A - Production of aliphatic di-car-boxylic acids :
en
- GB397130A - Improvements in or relating to coin-operated machines :
en
- DK47627C - Daase, especially for Facial Powder. :
da
en
- GB396519A - Improvements in or relating to vapourizing apparatus for sterilizing and like purposes :
en
- AT134448B - Method and device for treating and processing artificial silk. :
de
en
- US1921969A - Soft collar pin :
en
- CA334775A - Insecticide :
en
fr
- US1921035A - Wave filter :
en
- DE582105C - Process to prevent resin formation in mineral spirits :
de
en
- US1921278A - Radiator :
en
- US1921728A - Electrical compensating arrangement :
en
- AT134454B - Ignition device with a container for holding ignition pills. :
de
en
- DE582143C - Horse gas protective mask :
de
en
- FR750555A - Suspension device for vehicles :
en
fr
- GB396665A - Improvements in self-aligning bearings :
en
- US1921743A - Process for purifying zinc ore :
en
- US1921018A - Roller skate :
en
- US1921032A - Safe :
en
- AT134472B - Expansion switch. :
de
en
- CA334628A - Wolf snare :
en
fr
- FR750481A - Wooden tiles for floors and coverings :
en
fr
- AT134457B - Card shuffler. :
de
en
- AU751932A - Improvements in incubators :
en
- US1921746A - Test block :
en
- FR750393A - Process and apparatus for the distillation of rubber :
en
fr
- CA334732A - Water softening apparatus :
en
fr
- DE561258C - Device for wing spinning, wing twisting and similar machines for exchanging the bobbins filled with bobbins :
de
en
- DE582298C - Process for the production of a concentrated chocolate milk :
de
en
- USD90459S - Design for a button :
en
- CA334617A - Steam trap :
en
fr
- US1921615A - Combined fire and police alarm system :
en
- US1921981A - Bolt anchor :
en
- US1921643A - Piston :
en
- DE581960C - Crossing of tram or railroad tracks :
de
en
- US1921108A - Tennis and the like playing balls :
en
- US1921097A - Fastening inserting machine :
en
- US1921808A - Method of making closures :
en
- US1921906A - Exhaust turbo-charged, double-act-ing internal combustion engine :
en
- CA334666A - Refillable vanity case :
en
fr
- US1921195A - Aluminum silicon alloy :
en
- US1921112A - Wire wound armature :
en
- US1921647A - Image plate holding chamber for apparatus for measuring photograms :
en
- DE582090C - Ball clamp type quick fastening for cantilever arms of support columns :
de
en
- FR750358A - Reagent paper for glucose :
en
fr
- GB396461A - Improvements in and relating to road signs and indicators :
en
- GB396621A - Improvements in and relating to drying apparatus more particularly for plates of fibrous material :
en
- US1921356A - Stair building tool :
en
- DK47629C - Vare-Bordautomat. :
da
en
- US1921626A - Strip feeding or dispensing machine :
en
- CA334638A - Folding box :
en
fr
- FR750591A - :
fr
- GB396649A - Means for controlling change speed mechanism for front wheel drive motor vehicles :
en
- GB396726A - Machine for fixing attache case locks and similar fastenings :
en
- GB396523A - Improvements relating to tee squares for use on blackboars, drawing-boards and the like :
en
- US1921554A - Drive release and brake for alpha spindle :
en
- US1921805A - Helicopter :
en
- DE582110C - Cross-bottom valve bag with a cover strip forming the upper valve edge :
de
en
- CA334781A - Liquid applying apparatus for textile materials :
en
fr
- CA334707A - Railway crossing signal :
en
fr
- US1921450A - Hat stretching machine :
en
- US1921812A - Pole setting apparatus :
en
- US1920977A - Sole laying machine :
en
- US1921102A - Advertising device :
en
- US1921248A - Mucilage spreader :
en
- GB396608A - Apparatus for drying and conveying ground material in ball mills and similar plant :
en
- FR750568A - Device for conditioning hams and cured meats :
en
fr
- FR750220A - Improvements to identity rings for birds and other animals :
en
fr
- GB396575A - Process for the preparation of a new type of fibrous cellulose ester :
en
- CA334742A - Computing and typewriting machine :
en
fr
- FR750308A - Refrigerated cabinet :
en
fr
- GB396509A - Improvements relating to sheet metal cans and like containers :
en
- CA334784A - Straw manufacturing machine :
en
fr
- US1920955A - Device for forming cigarettes :
en
- US1921936A - Masher :
en
- CA334660A - Prime mover :
en
fr
- DE582187C - Projection apparatus, especially for illuminated advertising, with a screen that periodically covers the image :
de
en
- DE582265C - Combustible charcoal lighter :
de
en
- CA334734A - Air conditioning system :
en
fr
- DE582322C - Closed, short-circuit-proof fuse cartridge :
de
en
- FR750400A - Device for power factor compensation of induction furnaces :
en
fr
- US1921828A - Extension mounting for garment carriers :
en
- FR750420A - Piano stool :
en
fr
- FR750454A - Variable pitch propeller improvements :
en
fr
- FR750438A - Group of auxiliary machines for turbine installations :
en
fr
- GB396596A - Improvements in furniture fitted with drawers :
en
- FR750593A - Improvements to zippers :
en
fr
- FR750205A - Device for image transformation :
en
fr
- DE569502C - Bunker arrangement with operating bunker and storage bunker :
de
en
- DE582180C - Device for driving linear phonetic carriers :
de
en
- FR750425A - Improvements in methods and devices for drawing tubes or rods, made of glass or the like :
en
fr
- FR750391A - Improvements in the treatment of surfaces of objects in aluminum or aluminum alloys :
en
fr
- US1921137A - Composition for treating water used in air conditioning apparatus and the like :
en
- US1921379A - Oil pan assembling means :
en
- US1921887A - Device for guiding implements, particularly the burner of cutting burner or welding machines :
en
- DE582134C - Total counter for measuring devices :
de
en
- DE582328C - The use of the process of patent 487,110 for the manufacture of refractory furnace linings and the like. like :
de
en
- DE582271C - Buffers for conveyor wagons :
de
en
- US1921130A - Manufacture of rubber articles :
en
- GB396769A - Improvements in the separation of unsaponifiable matter from oils, fats, waxes, mixtures containing fatty acids, and crude soaps :
en
- DE582162C - Process for the production of iron reinforcements for concrete shoes for line poles :
de
en
- FR750252A - Collar for draft animals :
en
fr
- FR750345A - Improvement in the traction of various agricultural machines :
en
fr
- GB396636A - The manufacture of new isatins and indigoid dyestuffs derived therefrom :
en
- DE582329C - Process for the production of particularly smooth and dense fire clay, earthenware, stoneware, clinker and other refractory and ceramic products :
de
en
- GB396521A - Improvements in or relating to electric batteries :
en
- DE582024C - Strap closure for steamer :
de
en
- FR750201A - Scooter with mechanical lifting levers rotating on ratchet wheels secured to a chain wheel :
en
fr
- US1921262A - Control means for windshields :
en
- AU855832A - Improvements in or relating to dyeing machines :
en
- GB396464A - Improved construction of apparatus for marking lines on roads, tennis courts and the like :
en
- FR750299A - Improvements to devices intended to charge accumulator batteries :
en
fr
- FR750493A - Process for manufacturing carbohydrate derivatives :
en
fr
- FR750402A - Submarine training :
en
fr
- GB396536A - Improvements in or relating to electromagnetic relays :
en
- US1921442A - Cooking and cooling apparatus :
en
- US1921464A - Method and apparatus for the recording and projection of pictures, images, and the like :
en
- US1921700A - Bit :
en
- AT134463B - Roof training for large passenger vehicles. :
de
en
- AT134415B - Prismatic riflescope with a fixed agreement. :
de
en
- FR750526A - Corrosion resistant metal or alloy cover for roofs, walls and other surfaces :
en
fr
- CA334590A - Gate or door mechanism :
en
fr
- US1921631A - Fruit picker's carriage :
en
- US1921918A - Color photographic system :
en
- AT134452B - Process for the production of objects, in particular of structures with a clad surface. :
de
en
- USRE18914E - Man s underwear :
en
- AT134475B - Bed with night box. :
de
en
- US1921523A - Golf and other playing ball :
en
- US1921762A - Gas range :
en
- US1921311A - Linter gin drive :
en
- US1921461A - Protecting current-interrupter in b battery eliminators :
en
- AT134409B - Electrical device with an electrode system arranged in a discharge tube. :
de
en
- USD90465S - Design fob a textile fabric ob :
en
- US1921128A - Finish for ferrous articles :
en
- DE582031C - Flux for soldering or welding nickel and nickel alloys :
de
en
- FR750318A - Control systems for locomotives :
en
fr
- FR750451A - Springs and method of making them :
en
fr
- GB396477A - Thermostatically controlled instantaneous water heater :
en
- US1921116A - Process of neutralization :
en
- CA334760A - Speed indicator :
en
fr
- CA334691A - Chair tip :
en
fr
- US1921187A - Ultra-short-wave system :
en
- US1921874A - Cigarette extinguisher :
en
- US1921840A - Battery terminal or connecter :
en
- US1921438A - Cord take-up structure :
en
- US1921479A - Apparatus for washing sheet glass :
en
- US1921755A - Mirror :
en
- US1921758A - Variable speed drive :
en
- US1921855A - Combination cigarette case and lighter :
en
- US1921335A - Process for the surface finishing of lumber and shingles :
en
- US1921656A - Storage rack :
en
- AT134477B - Circuit arrangement for high-frequency induction furnaces with grid-controlled gas or vapor discharge vessels used to generate alternating current. :
de
en
- CA334670A - Truck side frame :
en
fr
- CA334763A - Shoe machine :
en
fr
- US1921726A - Treatment of reactors :
en
- AT134420B - Glide path beacon for guiding aircraft during landing. :
de
en
- CA334730A - Metal coating method :
en
fr
- FR750436A - Method and apparatus for making tube or cam glass :
en
fr
- GB396593A - Improvements in and relating to track brakes :
en
- US1921183A - Process for making veneer and alpha veneer machine :
en
- US1921502A - Puppet head :
en
- CA334693A - Vacuum milk receiver :
en
fr
- US1921512A - Stencil printing and copying machine :
en
- US1921865A - Refrigerator :
en
- US1921832A - Watch or clock movement :
en
- US1921062A - Bin closure :
en
- US1921164A - Composite laminated panel :
en
- US1921329A - Reversible tooth sprocket wheel and method of making same :
en
- US1921368A - Process of coating paper :
en
- US1921519A - Windshield :
en
- US1921831A - Cutter valve for release of fluids :
en
- DE582149C - Process for the production of easily soluble salts of boric acid with organic bases :
de
en
- US1921326A - Process of modifying vinyl resins :
en
- DE582147C - Process for extracting and conveying solid soil :
de
en
- GB396491A - Improvements in and relating to metal cutting tools :
en
- DE582113C - Flushing head for auger :
de
en
- US1920990A - Fastening inserting machine :
en
- US1921189A - Door fastener :
en
- FR750491A - Board game :
en
fr
- GB397108A - Improvements in axial thrashing machines or axial thrashing and straw reducing machines :
en
- FR750204A - Chain derailment gear change device, for bicycles :
en
fr
- DE582302C - Folding top for cars, especially convertibles :
de
en
- DE582321C - Autonomous route block :
de
en
- GB396482A - A transportable sectional squash rackets court :
en
- FR750464A - Counter control with improvement of the error curve by magnetic derivation of the flux passing through the poles of the current coil :
en
fr
- US1921217A - Safety device :
en
- US1921266A - Engine :
en
- GB396564A - Improvements in or connected with boxes or receptacles for growing plants and like purposes :
en
- GB396774A - Improvements in or relating to the manufacture of derivatives of unsaturated fatty alcohols :
en
- FR750310A - Decoiler allowing the automatic production of linked or crossed skeins :
en
fr
- GB396633A - An improved culinary appliance for chopping or mincing purposes :
en
- GB397140A - Improvements in or relating to spring mattresses, upholstery cushions or the like :
en
- FR750239A - Packing box :
en
fr
- DE577823C - Tiltable headlights for vehicles, especially for bicycles and motorcycles :
de
en
- DE557474C - Wood galvanizing machine :
de
en
- DE582015C - Arrangement for rapid regulation of the voltage of AC power lines with the help of choke coils in parallel or in series with the line :
de
en
- FR750427A - Lighting system comprising one or more radiant light sources arranged at some height above the ground :
en
fr
- GB396761A - Manufacture of condensation products :
en
- US1920958A - Turnstile :
en
- US1921095A - Apparatus for renovating journal box packing :
en
- US1921775A - Prepayment gasoline pump meter :
en
- FR750280A - Process for preparing pure and stable silver permanganate :
en
fr
- IE12301L - Preventing condensation in flues :
en
- US1921171A - Flash light :
en
- US1921309A - Filter material and method of producing the same :
en
- US1921664A - Springboard :
en
- DE581942C - Circuit arrangement for telephone systems with several exchanges :
de
en
- US1921203A - Combing machine :
en
- US1921344A - Engine starter :
en
- AT134481B - Process to bring a negative recorded behind a multicolor raster exactly and in correct color to the paper color raster. :
de
en
- CA334695A - Pipe clamp :
en
fr
- DE581993C - Process for the manufacture of calender rolls from paper :
de
en
- DE582025C - Device for roasting on the wire rack or on a skewer :
de
en
- US1921377A - Electrolytic apparatus :
en
- US1921610A - Dispensing machine :
en
- CA334629A - Spark plug :
en
fr
- CA334688A - Cementing material :
en
fr
- CA334752A - Lubricating oil colour stabilization :
en
fr
- GB396715A - Improvements in or relating to correcting devices for soundlocating appliances :
en
- DE582261C - Device for maintaining the operability of gas valves in operation :
de
en
- US1921269A - Paper box machine :
en
- US1921957A - Bearing :
en
- US1921890A - Cash drawer manifolding device :
en
- US1921536A - Production of molybdenum and tungsten carbonyl :
en
- FR750263A - Flexible elastic disc coupling :
en
fr
- CA334706A - Liquid level regulator :
en
fr
- GB396512A - Improvements in toy building blocks :
en
- AU862732A - An improved freshair supply heater for chicken brooders orthe like :
en
- CA334754A - Range :
en
fr
- US1921862A - Automatic sorter :
en
- US1921091A - Tellurium dithiocarbamates and method of making the same :
en
- US1922016A - Journal box :
en
- US1921704A - Electric valve circuits :
en
- US1921976A - Automobile ventilator :
en
- US1920991A - Artificial lure :
en
- CA334769A - Lasting machine :
en
fr
- FR750307A - Cutting machine :
en
fr
- GB396476A - Improvements in or relating to percussive drills and the like :
en
- US1921107A - Suspended arch for furnaces and tile therefor :
en
- AT134441B - Circuit arrangement for telephone systems with dialer operation. :
de
en
- CA334714A - Slicing machine meat holder :
en
fr
- AU719832A - Improved sock or stocking :
en
- DE582214C - Device for generating induced draft and underwind in combustion systems :
de
en
- AU939132A - A combined knitting needle and linear scale :
en
- US1921695A - Chuck :
en
- US1921858A - Supply circuit for amplifiers :
en
- DE582075C - Atomized burner for liquid or powder fuel :
de
en
- DE582274C - Drive device for step switch :
de
en
- GB396449A - Improvements in portable lamps :
en
- US1921520A - Hedge trimmer :
en
- CA334603A - Engine valve lubricating device :
en
fr
- DE582141C - Process for making margarine :
de
en
- US1921066A - Cathode for electron discharge devices and method of making the same :
en
- US1921233A - Cable reel transporting vehicle :
en
- US1921986A - Testing apparatus :
en
- US1921542A - Mine jack :
en
- US1921677A - Paralleling system for alternating current generators :
en
- US1921497A - Production of sulphuric anhydride :
en
- US1921711A - Process of producing water gas :
en
- AT134406B - Rain cover. :
de
en
- CA334726A - Container bottom adjusting device :
en
fr
- US1921006A - Electric cut-out :
en
- US1921721A - Clamp :
en
- US1921937A - Oil burning apparatus :
en
- AT134443B - Self-supporting waveguide. :
de
en
- DK47620C - Device for placing the cover on a roller wrapper of a cigar wrapper. :
da
en
- FR750463A - rotating turret gin :
en
fr
- US1921941A - Electrodeposition of palladium :
en
- US1921943A - Screened vent cap :
en
- DE582009C - Switching device with several switching points in series :
de
en
- US1921838A - Brake shoe :
en
- US1921090A - Bell swinging device :
en
- US1921279A - Oil recovery apparatus :
en
- US1921457A - Ventilator fitting :
en
- DE582034C - Compensating device for motor vehicles :
de
en
- AT134499B - Discharge tube with spring-loaded hot cathode. :
de
en
- CA334655A - Water cooler and support :
en
fr
- AT134414B - Pan roof chisel. :
de
en
- US1921564A - Process for recovery of iodine and/or bromine from solutions containing same :
en
- US1921286A - Rope clamp :
en
- DE582080C - Device for gripping hollow bodies from the inside :
de
en
- US1921561A - Cushion support :
en
- US1921735A - Hot water generator :
en
- US1921291A - Dump body for trucks and the like :
en
- DE582217C - Area cleaning and processing machine, especially for floors u. like :
de
en
- GB396758A - Improvements in circular looms :
en
- FR750375A - New products for fuel improvement :
en
fr
- GB396704A - Improvements in or relating to automatic or semi-automatic telephone systems :
en
- GB397162A - Improvements in electric discharge tubes :
en
- FR750419A - Improvements in means of cooling the cylinders of engines and similar applications :
en
fr
- GB396469A - Improvements in or relating to washing and/or renovating devices or appliances :
en
- DE527223C - Surface carburetor :
de
en
- US1921551A - Valve mechanism :
en
- CA334669A - Railway car coupler :
en
fr
- GB396766A - Improvements relating to prepayment meters :
en
- AT134458B - Buckle with toggle spring for braces or the like. :
de
en
- DE582018C - Process for the production of a finely powdered adhesive containing adhesive :
de
en
- DE582338C - Device for single or multiple line duplication of originals with printable mirror writing and stretched on a printing drum :
de
en
- DE582144C - Plant for the production of preferably smaller molded bodies :
de
en
- US1921997A - Shoe fitting device :
en
- DE582081C - Roll-up curtain with side guides and an adjustable part :
de
en
- DE582215C - Gas cylinder for large compressors :
de
en
- GB396594A - An improved method of treating insoluble or partially insoluble solid compounds for internal use :
en
- GB397129A - Improvements in or relating to methods of making leather :
en
- DE582264C - Coke cake guide car :
de
en
- FR750423A - Improvements to deformable tube manometers :
en
fr
- GB396592A - Improvements in or relating to inflatable articles :
en
- US1921829A - Refrigerating machine :
en
- FR750355A - Watch-shaped lighter :
en
fr
- GB396577A - Improvements in or relating to valves and methods of making the same :
en
- US1921173A - Automatic ejecting mechanism :
en
- US1921478A - Production of valuable liquid hydrocarbons :
en
- US1921788A - Electric control system :
en
- CA334608A - Angle cutting device for handsaws :
en
fr
- DE582284C - Swiveling clothes holder arm that can be attached to two fixed holding parts on top of each other :
de
en
- GB396638A - Improvements in cocks :
en
- DE582145C - Cable box tape :
de
en
- FR750254A - Wheel cover and its manufacturing process :
en
fr
- GB396664A - Improvements in stereoscopic rangefinders for photographic purposes :
en
- US1921167A - Sheet feeding apparatus :
en
- FR750577A - Dressing and undressing hood :
en
fr
- FR750272A - Pleated fabric forming waves and method for obtaining it :
en
fr
- DE581884C - Circuit arrangement for telephone systems :
de
en
- GB396561A - Improvements in wearing apparel :
en
- GB396647A - Manufacture of alkali metal salts of adenyl-pyrophosphoric acids :
en
- FR750550A - Improvements in the manufacture of filaments, yarns, fabrics and the like :
en
fr
- FR750229A - Ice cream bite :
en
fr
- DE582232C - Method for dressing walls, blankets, utensils or decorative objects with flat mussel shells, in particular with flat shells of the cape mussel :
de
en
- GB396558A - Improvements in connection with apparatus for the separation of materials of differing densities :
en
- AT134476B - Furniture foot sliding cap. :
de
en
- CA334749A - Aerial system and maritime navigation :
en
fr
- GB396683A - Ruler tapes :
en
- US1921965A - Indicating device :
en
- FR750468A - Process for the preparation of sodium dichromate :
en
fr
- FR750460A - Relay mounting modes for incandescent lamp cinema installation :
en
fr
- CA334686A - Pencil carrier and card grip :
en
fr
- US1921316A - Expanding mandrel :
en
- US1921740A - Apparatus for controlling industrial processes :
en
- US1921968A - Delivery system :
en
- DE582066C - Process for the synthetic production of ammonia from its elements using iron carbide as a catalyst :
de
en
- US1921509A - Machine for washing glasses and other receptacles :
en
- US1921867A - Production of polymerization products of diolefines :
en
- FR750329A - New Anthraquinone Series Condensate Products :
en
fr
- AU847532A - Improved method of recovering gold from colloidal slum andother colloidal materials :
en
- FR750319A - Method for the rapid determination of potassium :
en
fr
- GB396551A - Manufacture of racemic compounds of the 1-hydroxyphenyl-2-aminopropanol (1) series :
en
- GB396589A - Improvements in sliding clasp fasteners :
en
- US1921447A - Accessories for electric fittings :
en
- DE582072C - Underfill device for excavator tracks :
de
en
- GB396705A - Improvements in needles for use in the production of knitted fabric :
en
- US1921052A - Washing device :
en
- FR750249A - New improved wrapping machine :
en
fr
- FR750561A - Typewriter or accountant with automatic device intended to facilitate the simultaneous establishment of receipts, bills of exchange or other documents and of a border :
en
fr
- DE582299C - Process and device for the production of cellulose :
de
en
- FR750275A - Device for attaching objects to containers :
en
fr
- US1921068A - Shaft for golf clubs and method of making :
en
- AT134431B - Recommended for creating a moiré effect, especially in artificial silk fabrics. :
de
en
- DE582060C - Depositing device for pieces of dough :
de
en
- DE582087C - Milk heater :
de
en
- US1921527A - Automatic feeding device for bar sizing machines :
en
- FR750480A - New metallic coloring materials :
en
fr
- US1921403A - Article working apparatus :
en
- US1921952A - Sickle bar divider attachment :
en
- US1921061A - Vacuum tube :
en
- US1921652A - Smoker's cabinet :
en
- USD90439S - Design for a ventilator for motor :
en
- CA334718A - Rock drill valve :
en
fr
- US1921493A - Cutter bar operating means :
en
- USD90433S - Design for a bottle :
en
- GB396614A - Improvements in pulverising mills :
en
- CA334646A - Metal bar and rib making apparatus :
en
fr
- CA334757A - Building material :
en
fr
- US1921553A - Kiln :
en
- US1921407A - Telegraph transmitting apparatus :
en
- US1921322A - Wrench :
en
- US1921713A - Electrical compensating arrangement :
en
- US1921665A - Spring shackle :
en
- US1921707A - Stop motion for knitting machines :
en
- US1921706A - Process for the production of pure arsenious oxide from arsenical products :
en
- CA334634A - Piston skirt expander :
en
fr
- US1921517A - Film winding signal device :
en
- US1921146A - Brake-operating connection :
en
- DE582055C - Fare indicator :
de
en
- US1921547A - Tubing catcher :
en
- US1921798A - Furnace for liquid fuel burners :
en
- US1921974A - Security device for battery ignition circuits :
en
- US1921984A - Combined sunshade and headrest :
en
- US1921138A - Production of menthene :
en
- DE582347C - Process for making chewing gum base :
de
en
- FR750585A - Improvements to automatic heating devices for domestic, industrial and locomotive homes :
en
fr
- US1921074A - Window :
en
- US1921265A - Pumping apparatus :
en
- US1921730A - Lining for hot tops :
en
- US1921824A - Forming cylinders :
en
- US1921201A - Mechanism for transporting section-spacing blocks in book-binding machines :
en
- US1921270A - Pocket sheath for fountain pens :
en
- CA334649A - Ignition amplifier :
en
fr
- FR750560A - Advanced carburettor :
en
fr
- GB396552A - Improvements in or relating to dip or seal pipes for use in the manufacture of gas and/or in coke oven plant :
en
- US1920992A - Headlight shield :
en
- CA334631A - Window guide channel :
en
fr
- FR750209A - Method and apparatus for determining the distribution of pressure exerted by car bodies on their support members :
en
fr
- FR750250A - Mechanical lifting device permanently attached to any motor vehicle :
en
fr
- US1921856A - Production of gaseous mixtures containing hydrogen and nitrogen from methane :
en
- CA334733A - Water softening apparatus :
en
fr
- CA334787A - Railway car truck :
en
fr
- AU846532A - A pneumatically operated grease gun :
en
- US1921850A - Process of distillation :
en
- AT134422B - Headlights with a hinged cover ring, in particular for vehicles. :
de
en
- US1921544A - Forming apparatus :
en
- DE582102C - Device for mixing liquids with one another or of liquids with solid bodies and for producing emulsions :
de
en
- FR750458A - Call amplifier device on motor vehicles :
en
fr
- GB396623A - Improvements in or relating to means for attaching knobs to spindles of locks and latches :
en
- US1921607A - Trunk piston for diesel engines :
en
- USD90438S - Design for an electric water heater :
en
- USD90443S - Design for a combination hall tree :
en
- US1921260A - Windshield operating mechanism :
en
- US1921791A - Means for adjusting the plungers of measuring instruments :
en
- US1921011A - Coupler yoke :
en
- US1921889A - Newspaper :
en
- US1921026A - Collapsible support for tables, chairs, etc. :
en
- US1921709A - Pipe coupling :
en
- AU854832A - Improvements in or relating tothe manufacture of sodium aluminate :
en
- FR750506A - Freight elevator device :
en
fr
- GB396462A - Improvements relating to furniture :
en
- FR750381A - cookware rack :
en
fr
- DE582212C - Electric high pressure metal vapor arc lamp with inert gas basic filling :
de
en
- US1921560A - Film spool for roll film cameras :
en
- US1921960A - Process for reclaiming film scrap with an alcoholic alkali solution :
en
- US1922011A - Spring pressed window stop construction :
en
- FR750531A - Process for removing hydrogen sulfide from gases :
en
fr
- FR750386A - Tunnel kiln alone or coupled :
en
fr
- DE582276C - Process for the production of water-insoluble azo dyes :
de
en
- FR750376A - Improvements to devices for obtaining ions at high speed :
en
fr
- FR750448A - Molding for electrical pipes :
en
fr
- GB396642A - Improvements in or relating to apparatus for the linear measurment of strip material :
en
- US1921295A - Incandescent lamp guard :
en
- US1920975A - Adjustable latch or closure device :
en
- US1921084A - Sterilization of radon seeds :
en
- CA334744A - Bubble cap :
en
fr
- US1921955A - Hydraulic mechanism :
en
- US1921315A - Clutch :
en
- US1921792A - Sanitary smoking stem for pipes, cigars, and the like :
en
- DK47626C - Electrolytic Capacitor. :
da
en
- US1921268A - Dough rolling machine :
en
- US1921699A - Preparing open and closed hollow bodies by centrifugal casting :
en
- US1921772A - Pneumatic tire :
en
- US1922009A - Window and sash construction :
en
- DE570680C - Static pressure-resistant disc :
de
en
- DE582314C - Loading box for stacked pressed pieces :
de
en
- DE582170C - Process for the production of coatings, especially varnishes, fillers or paints :
de
en
- FR750430A - Gear switch :
en
fr
- FR750543A - Airplane powertrain :
en
fr
- AT134446B - Device for connecting a mouthpiece pivotable by means of a spherical head to a fixed outlet pipe. :
de
en
- CA334747A - Electrically heated apparatus :
en
fr
- CA334728A - Container adjustable bottom :
en
fr
- FR750595A - Lockable protective cover for sewing machines and similar machines :
en
fr
- GB396573A - Improvements in or relating to constructions erected with the aid of metallic elements :
en
- US1921115A - Well head equipment :
en
- US1921355A - Device for the manufacturing of knotted carpets and the like :
en
- CA334654A - Grinding wheel guard :
en
fr
- GB396768A - Improvements relating to change speed gears :
en
- US1921131A - Vehicle wheel :
en
- US1921922A - Oil burner :
en
- US1921934A - Art of annealing :
en
- DE582189C - Hydraulic swing door brake :
de
en
- FR750434A - Protective device against glare from headlights and the sun :
en
fr
- US1921420A - Retractable supporting gear :
en
- US1920978A - Insulator :
en
- US1921814A - Pin ticket :
en
- CA334768A - Fastener-inserting machine :
en
fr
- CA334751A - Automobile lift safety device :
en
fr
- US1921679A - Elevator control system :
en
- DE582047C - Electric rapid regulator :
de
en
- DE582301C - Metal cover strip, especially for car bodies of motor vehicles :
de
en
- US1921120A - Amino alpha-phenoxy naphthalene :
en
- US1921305A - Shield for hot air registers or the like :
en
- US1920960A - Device for cleaning golf balls or the like :
en
- US1921058A - Manufacture of boots and shoes :
en
- US1921375A - Vulcanizing rubber :
en
- AT134402B - Sewing machine. :
de
en
- AU802032A - An improved clothes peg for hanging clothes and like articles :
en
- GB397112A - Improvements in or relating to a cutting device particularly for removing horny skin in chiropody :
en
- US1921041A - Method of forming radiators :
en
- US1921280A - Combination check and gate valve :
en
- FR750207A - Boring machine :
en
fr
- FR750219A - Improvements to fire alarms and extinguishers :
en
fr
- US1921722A - Solvent for remedies :
en
- US1921983A - Follow-up device for gyro compasses :
en
- GB396500A - Improvements in or relating to paper folding machines :
en
- GB396516A - Improvements in and relating to the production of spot carbon papers :
en
- US1921571A - Golf ball marker :
en
- US1921928A - Method of making finned tubing :
en
- US1920984A - Reversible feed mechanism for machine-guns :
en
- US1921142A - Carburetor :
en
- US1921282A - Gas equalizer for internal combustion engines :
en
- US1921000A - Apparatus for translating impressions :
en
- US1921323A - Extensible handle :
en
- US1921866A - Keying structure for motion picture projection machines :
en
- FR750360A - Method and machine for the simultaneous automatic mounting of the staples on the two tapes of a rack fastener :
en
fr
- GB396641A - Improvements in or relating to rotary valves for internal combustion engines :
en
- FR750230A - Improvements made to die bearings :
en
fr
- FR750309A - Shoe Sewing Machine Improvements :
en
fr
- US1921620A - Glow tube apparatus :
en
- US1921681A - Die-casting method :
en
- US1921782A - Rotary internal combustion motor :
en
- CA334662A - Tank valve :
en
fr
- CA334767A - Heel block sawing machine :
en
fr
- GB396517A - Conversion of hydrocarbon oils :
en
- US1921063A - Treatment of echoes in transmission systems :
en
- US1921267A - Pie plate washing :
en
- US1921165A - Edge trimming machine :
en
- US1921191A - Adjustable mat for optical instruments :
en
- US1921330A - Acylamino benzene stibonic acids :
en
- US1921435A - Padlock :
en
- US1921778A - Gas lighter construction :
en
- DE582254C - Method and device for the production of artificial skin :
de
en
- US1921427A - Magneto :
en
- US1921445A - Conveyer roll :
en
- AT134484B - Straw cutting machine. :
de
en
- US1921092A - Multiple-way valve :
en
- US1921949A - Treatment of cellulose esters :
en
- US1921109A - Conveyer system :
en
- US1921961A - Apparatus for connecting alpha source of acoustic waves with several listeners for alpha suitable time :
en
- FR750214A - Toothbrush :
en
fr
- GB396467A - Improvements in and relating to the production of hexamethylenetetramine :
en
- FR750395A - Reproductive apparatus for bar turning lathe :
en
fr
- DE582168C - Process for the production of joints in oil-filled cables :
de
en
- DE582200C - Process for the complete separation of book blocks stapled together with spine material in book thread stitching machines and machine :
de
en
- FR750542A - regulating equipment ensuring the sealing of the electrodes of electric ovens, and its mounting device :
en
fr
- FR750255A - Game :
en
fr
- FR750339A - Electrical installation of light signals :
en
fr
- FR750552A - Improvements in the manufacture and processing of artificial materials :
en
fr
- GB396539A - Mechanism for controlling pitch-indicators for the instruction of aircraft pilots :
en
- DE582039C - Process for the production of caramel from starch :
de
en
- GB396654A - Improvements in or relating to a process for making intaglio printing inks :
en
- DE582342C - Headlights consisting of two separate, mutually movable coaxial reflectors :
de
en
- FR750394A - Remote rail car braking system for rail yards and other applications :
en
fr
- FR750390A - :
fr
- DE582063C - Drum washing and wringing machine with drive device and motor :
de
en
- GB396671A - An underlay for typewriters :
en
- GB396465A - Improvements in and relating to electric incandescent filament lamps :
en
- GB396812A - Improvements in and relating to fabric measuring machines :
en
- GB396487A - Improvements in or relating to safety razors :
en
- GB396779A - Treating dry fire extinguishing powder to prevent caking :
en
- US1921012A - Photographic film developing apparatus :
en
- GB396627A - Improvements in time and time-distance recording apparatus for vehicles :
en
- DE576146C - Surface carburetor :
de
en
- DE581987C - Circuit arrangement for private branch exchanges :
de
en
- DE582319C - Process for the preparation of basic ethers of the pyridine series :
de
en
- FR750350A - Process for preparing artificial masses from vinyl derivatives :
en
fr
- FR750522A - Casing for quay walls, harbor breakwaters and similar constructions :
en
fr
- FR750281A - Moisture resistant product :
en
fr
- FR750497A - Elastic bearing for pivot, especially for watch axles and other precision instruments :
en
fr
- IE12953L - Continuous combustion heating apparatus :
en
- US1921565A - Addressing machine :
en
- US1921687A - Inductor :
en
- US1921734A - Portable bowling alley :
en
- DE582026C - Multi-leaf sliding window with horizontally movable leaves :
de
en
- GB396613A - Improvements in crystallizers :
en
- FR750346A - Automotive brake :
en
fr
- FR750532A - Manufacturing process of metal bands for the film industry :
en
fr
- GB396520A - Improvements in or connected with electric plug-and-socket couplings or the like :
en
- GB396712A - Improvements in or relating to catalytic and like contact masses containing platinum :
en
- CA334588A - Well oil recovering apparatus :
en
fr
- FR750332A - Manufacturing process of cement tiles imitating marble :
en
fr
- FR750510A - Electric push button switch :
en
fr
- DE582275C - Process for the production of azo dyes :
de
en
- DE582310C - meat grinder :
de
en
- DE582313C - Conveyor belt system :
de
en
- GB396547A - Improvements in and relating to automatic steering systems :
en
- DE582045C - Depending on the water level and the steam extraction influenced feed water regulator for steam boilers :
de
en
- DE582101C - Process for improving the fastness properties of textiles dyed with water-soluble dyes :
de
en
- DE582336C - Device for preheating and cleaning of feed water for locomotive boilers :
de
en
- FR750384A - Process for the hardening of certain floors or basements :
en
fr
- FR750354A - Liquid fuel injector-atomizer device for internal combustion engines :
en
fr
- GB396489A - Improvements in scrubbers for use in the treatment of gases :
en
- CA334685A - Refrigerator equalizer valve :
en
fr
- US1921920A - Process for obtaining reserves under azo-dyestuffs :
en
- DE581956C - Process for the production of condensation products from phenols and natural resins :
de
en
- FR750501A - 2- (3'-hydroxy-naphthyl-2 ') - 4-hydroxy-6.7-benzo-pseudo-aziminobenzenes, azo dyes obtained from these compounds as well as processes for their preparation :
en
fr
- FR750236A - Advanced lifting or pulling device :
en
fr
- FR750380A - Further training in automobile bodies or other vehicles :
en
fr
- GB396666A - Hub odometer for vehicles :
en
- FR750536A - Rail fixing device with base plate interposed between the rail shoe and the cross member :
en
fr
- GB396599A - An improved machine for making spirally-wound tubes, such as drinking straws, from paper strips :
en
- GB396570A - Improvements in or relating to packages for cigarettes and like articles :
en
- US1921241A - Electrically welded high pressure storage tank :
en
- US1921476A - Relaxation oscillator and amplifier system :
en
- US1921181A - Centrifugal separator :
en
- US1921575A - Concentration and purification of latex :
en
- AT134485B - Device for remote and local control of turnouts. :
de
en
- CA334746A - Electric cable for telephone systems :
en
fr
- US1921480A - Tillage implement :
en
- FR750304A - Machine for finishing stockings, socks and other hosiery :
en
fr
- FR750405A - Cable :
en
fr
- GB396507A - Improvements in or relating to dough mixing and kneading machines :
en
- US1922002A - Spring assembling machine :
en
- CA334606A - Toilet soap :
en
fr
- CA334741A - Window :
en
fr
- CA334762A - Reel :
en
fr
- FR750359A - Improvements to machines to conform the upper to the curve of the shape :
en
fr
- US1921136A - Swivel joint :
en
- US1921684A - Low water detector for boilers :
en
- US1921642A - Pipe joint and method of forming same :
en
- US1921250A - Automatic semitrailer :
en
- CA334645A - Pneumatic wheel for vehicles :
en
fr
- US1921431A - Loading system :
en
- US1921875A - Lamp :
en
- US1921774A - Automatic safety razor :
en
- CA334727A - Container bottom :
en
fr
- DE582120C - Device to prevent oscillation in switches whose moving switch contact is mechanically connected to the armatures of counteracting tear-off and holding magnets :
de
en
- FR750494A - Improvements in guiding or spacing wires in the form of a layer of warps :
en
fr
- FR750549A - Improvements in the manufacture and saponification of filaments, yarns, fabrics, etc., in artificial materials :
en
fr
- GB396590A - Improvements in and relating to the manufacture of bricks :
en
- US1921198A - Twisting tool :
en
- US1921712A - Road maintenance machine :
en
- US1921532A - Heater :
en
- FR750271A - Device for visible vertical filing :
en
fr
- GB396610A - Process for the production of rubber toys :
en
- AU5489565A - Improvements in or relating to arrangements for detecting electro-magnetic radiation :
en
- CA334716A - Meat treating method :
en
fr
- DE582068C - Process for the preparation of mixed cellulose esters :
de
en
- DE582151C - Circuit arrangement for electrostatic relays :
de
en
- DE582332C - Zipper :
de
en
- DE581953C - Multiple wire drawing machine with single drive of the drums :
de
en
- DE582058C - Belt conveyor system with several belts :
de
en
- FR750208A - roll-up screen for windows :
en
fr
- FR750470A - Mounting method for electric resistance welding machines in which a relay is used to control the conditions of the secondary voltage :
en
fr
- FR750520A - Process for preparing polymerization products, in particular those of alkylene oxides :
en
fr
- GB396559A - Process and apparatus for dividing pressing and moulding plastic sweetmeats :
en
- US1921395A - Shunting system :
en
- US1921705A - Process for the production of aluminium silicosulphide :
en
- FR750565A - Improvements to indirectly heated cathodes :
en
fr
- DE554850C - Process and device for the production of double-warp woven double warp pile fabrics :
de
en
- DE582106C - Process for the production of emulsions :
de
en
- GB396615A - Improvements in steering gear for motor cycles :
en
- GB396678A - Plastic materials with decorative effect and process for their manufacture :
en
- US1921288A - Cable reel for electric appliances :
en
- DE582059C - Pneumatic tube system with a device for limiting the stacking height of the cans at a stacking point :
de
en
- FR750599A - Electric curling iron heater :
en
fr
- GB396757A - Improvements relating to circular looms :
en
- CA334725A - Central-draft burner and lamp :
en
fr
- FR750551A - Process for the deesterification of filaments, yarns, fabrics and the like based on cellulose esters :
en
fr
- US1920957A - Crayon sharpener :
en
- DE582340C - Device for acoustic verification of an existing connection with telephones :
de
en
- FR750340A - Electric discharge devices :
en
fr
- FR750580A - Articulation system for folding tables and similar objects :
en
fr
- US1921477A - Production of valuable hydrocarbons :
en
- AT134492B - Method of making artificial stones from lime. :
de
en
- GB396634A - Improvements in or relating to methods of preparing and preserving bread, or other like baked products :
en
- DE582064C - Ironer roller for taking up a covering made of soft material :
de
en
- DE582226C - Control device for pneumatic tires :
de
en
- DE582309C - Blocking of the switching device of a dispensing system with twin measuring vessels :
de
en
- FR750410A - Single motor test stand usable in horizontal and vertical positions :
en
fr
- GB396668A - Improved electric storage batteries :
en
- GB396713A - Improvements in or relating to the manufacture of safety glass :
en
- CA334674A - Fusing process :
en
fr
- CA334651A - Paper container :
en
fr
- FR750244A - Device for the mechanical wiper control :
en
fr
- GB396481A - Improvements in and relating to leakage indicators and protective cut-out arrangements for alternating current circuits :
en
- GB396560A - Improvements in devices for gathering, raising or conveying materials such as stalk or root crops :
en
- DK47614C - Device for controlling arbitrary devices by electrical means. :
da
en
- GB396471A - Roofs for motor cars and other vehicles :
en
- DE582085C - Pyrophoric lighter :
de
en
- DK47624C - Automatic Coupling for Railway Wagons and the like. :
da
en
- FR750571A - Device for mounting lamps with small thermal capacity :
en
fr
- GB396452A - Improvements in or relating to vehicle bodies or auxiliary fittings therefor :
en
- GB396569A - Improvements in or relating to steel girders for concrete structures :
en
- FR750453A - Door for aircraft hangar or other similar applications :
en
fr
- GB396684A - Improvements in and relating to systems of television :
en
- DE582286C - Process for the vulcanization of synthetic rubber-like products with little plasticity :
de
en
- US1921252A - Means for attaching alpha sponge rubber pad to alpha backing member :
en
- US1921600A - Spring winder :
en
- US1921645A - Supplemental table top :
en
- DE582042C - Process for the azotizing of carbides :
de
en
- FR750228A - Process for preserving aromatic products and apparatus for their preparation :
en
fr
- DE582021C - Device for sucking up ash :
de
en
- FR750416A - Injector for combustion or explosion engines :
en
fr
- FR750373A - Improvements to folding boxes :
en
fr
- FR750347A - Aircraft engine test facility :
en
fr
- DE582218C - Rectangular work table (group table) :
de
en
- FR750330A - Temperature regulator in ovens or other heated enclosures :
en
fr
- FR750378A - Double movement winch :
en
fr
- US1921586A - Manufacture of dyes containing chromium :
en
- USD90453S - Design for a buckle :
en
- FR750334A - Poker game with balls and with or without toton :
en
fr
- GB396571A - Burner for heavy oil :
en
- FR750337A - Process of using pitch, tar, acid resin and other combustible materials :
en
fr
- FR750486A - Hot water distribution installation for several consumers, indirectly measuring the amount of heat consumed :
en
fr
- US1921229A - Self-retaining cartridge :
en
- US1921929A - Celluloid covered metallic tube and method of making same :
en
- US1921996A - Piston construction :
en
- FR750429A - Typewriter Improvements :
en
fr
- GB396506A - Instrument for the measurement of the velocity of low speed air currents :
en
- US1921038A - Flatiron stand :
en
- DE582227C - Workpiece guidance when machining the cutting edge (in particular by grinding) a steel band that produces razor blades :
de
en
- DK47623C - Method for the manufacture of bent wood with normal or approximately normal wood properties or for the manufacture of articles of this material. :
da
en
- AT134407B - Method for the preparation of hormone preparations effective when administered orally. :
de
en
- AT134429B - Spiral staircase. :
de
en
- GB396692A - Improvements in, and relating to, electric lamps of the drybattery type :
en
- US1921072A - Telephone pay station apparatus :
en
- USD90448S - Design for a beverage faucet :
en
- US1921222A - Storage rack :
en
- GB396496A - Improvements in electrically driven mills for grinding coffee and the like :
en
- GB396620A - Improvements in grip fastenings for suspenders for hose :
en
- DK47630C - Device for deep-water fishing gear with seine without belly and with free sub-counter. :
da
en
- FR750269A - Process for filtering molten metals and application device :
en
fr
- GB396735A - The separation or purification of chlorinated derivatives of phthalic acids :
en
- DE582109C - Device for soldering a solder strip onto sheet metal :
de
en
- DE582287C - Process for the production of rubber substitutes from unsaturated fatty oils :
de
en
- FR750447A - Device for very precise measurement, on a vertical staff, of reduced horizontal distances :
en
fr
- US1921391A - Pneumatic tube terminal :
en
- US1921990A - Motor control circuit for telegraph printers :
en
- CA334607A - Chimney cleaner :
en
fr
- US1921349A - Semaphore :
en
- CA334704A - Ampoule testing apparatus :
en
fr
- CA334770A - Shoe upper shaping machine :
en
fr
- FR750316A - Motor vehicle, in particular for advertising :
en
fr
- FR750341A - Surface measuring machine :
en
fr
- FR750581A - Coat and hat holder device :
en
fr
- FR750528A - Pocket folder, for obtaining cross folds :
en
fr
- FR750363A - Pressure and flow control device for all applications :
en
fr
- US1921005A - Electric oil cut-out :
en
- US1921297A - Process of manufacturing activated carbon :
en
- US1921096A - Electric attachment plug :
en
- US1921945A - Oyster culture :
en
- DE582160C - Device for the ventilation of liquids, in particular wort :
de
en
- FR750261A - Lock for washing machines, clothes presses and similar devices :
en
fr
- GB396524A - Improvements in or relating to fire extinguishing apparatus :
en
- US1921535A - Device for feeding infants :
en
- US1921367A - Process of carburizing iron or steel :
en
- US1921482A - Automatic train pipe connecter :
en
- US1921619A - Vacuum tube :
en
- US1921106A - Railway car :
en
- US1921331A - Rim for tires :
en
- US1921756A - Improvements in and relating to the manufacture of synthetic resins :
en
- AT134410B - Artificial dentition. :
de
en
- CA334636A - Laminating method :
en
fr
- CA334671A - Aerial device :
en
fr
- US1921135A - Hydraulic underreamer :
en
- US1921410A - Galley :
en
- US1921490A - Typewriting machine :
en
- AT134459B - Pocket lighter. :
de
en
- US1921737A - Universal coupling for machine elements :
en
- DE582099C - Process for the production of dry yeast :
de
en
- CA334656A - Rectal and vaginal medicator :
en
fr
- DE581974C - Three-wing top-hung window with intermediate hinges :
de
en
- DK47615C - Apparatus for providing a fixed connection between interlocking ends of a strip material. :
da
en
- US1921800A - Apparatus for marking wire :
en
- AT134473B - Indicator device for cakes or the like. :
de
en
- CA334622A - Kneeling pad :
en
fr
- DE582036C - Swivel device for vehicle headlights :
de
en
- DE582118C - Grinding piece for pantograph stirrups with one or more straight or curved grinding surfaces made of carbon pieces :
de
en
- US1921314A - Door closer and check :
en
- DE582023C - Ribbon or wire stretch spring :
de
en
- AT134423B - Device with a gas-filled fluorescent tube. :
de
en
- AT134424B - Safety device for electric fluorescent tubes operated on transformers. :
de
en
- US1921277A - Shoe stitcher :
en
- CA334637A - Free wheeling device :
en
fr
- GB396566A - Means for the centrifugal casting of iron, steel and metal wares :
en
- US1921468A - Muffler :
en
- US1922010A - Window construction :
en
- FR750383A - Electrical method and device for purifying fluids, in particular air :
en
fr
- FR750489A - Improvements in the fuel supply of mechanical or similar grates and related apparatus :
en
fr
- GB396625A - Improvements in or relating to apparatus for treating roads and other surfaces :
en
- US1921580A - Machine for stacking and arranging biscuits and the like :
en
- US1921417A - Alloy :
en
- US1921472A - Production tester :
en
- US1921184A - Method of making veneer and alpha new article of veneer :
en
- AU1027332A - Device usedfor advertising purposes and for disseminating light :
en
- CA334700A - Stencil blank :
en
fr
- CA334657A - Dental plate :
en
fr
- CA334672A - Linoleum manufacture :
en
fr
- DE582094C - Change gears for motor vehicles, especially for motorcycles :
de
en
- DE582014C - Arrangement for suppressing mutual oscillations of the synchronous machines connected to an electrical network :
de
en
- GB396703A - Improvements in or relating to variable electric condensers :
en
- GB396645A - Improvements in or relating to the casting of readily oxidizable metals :
en
- GB396772A - Improvements in or relating to radio receivers :
en
- GB396609A - Improvements in or relating to aircraft landing gear :
en
- FR750518A - Cover for oil switch :
en
fr
- GB396733A - Improvements in or relating to boot or shoe stiffeners :
en
- GB396483A - Improvements in and relating to memorandum and like pads and books :
en
- US1921926A - Method of treating textiles and composition used in the method :
en
- US1921678A - Method of increasing power of turbine plants :
en
- CA334723A - Spare tire cover :
en
fr
- US1921780A - Wood fiber mass :
en
- US1921597A - Wheeled vehicle :
en
- US1921697A - Abrasive feeding mechanism for stone cutting machines :
en
- CA334635A - Laminated material :
en
fr
- FR750517A - Pipe elbow :
en
fr
- CA334614A - Steam valve :
en
fr
- US1921919A - Orbital lathe :
en
- AU858632A - Process of producing butyl alcohol and acetone :
en
- CA334764A - Shoe and shank piece :
en
fr
- US1921988A - Heating element :
en
- US1921987A - Surgical splint :
en
- USD90462S - Design for a gaming device :
en
- DE582255C - Shaft bearing :
de
en
- FR750351A - Explosive device for protection of trenches or other advanced positions :
en
fr
- GB396693A - Improvements in fowl-houses and the like :
en
- US1921752A - Mirror-equipped structure :
en
- US1920983A - Combination sash lock :
en
- US1921085A - Electrical vacuum cleaner :
en
- USD90434S - Design fob a dress :
en
- DE582163C - Hammer straightening machine for needles :
de
en
- US1921754A - Die head :
en
- US1921946A - Folding box :
en
- USD90442S - Design foe a derrick :
en
- FR750573A - Method and device for reducing heat loss in absorption refrigeration devices :
en
fr
- CA334663A - Hair waving device :
en
fr
- US1921467A - Adjustable garment cuff :
en
- DE582205C - Circuit arrangement for telephone extension systems :
de
en
- US1921276A - Peach pitting machine :
en
- US1921486A - Apparatus for producing profile metals :
en
- US1921676A - Detergent composition of matter :
en
- US1921899A - Micrometer caliper attachment :
en
- US1921166A - Pulverizer :
en
- US1921570A - Illuminated advertising sign :
en
- US1921692A - Device for illustrating preparation of coal :
en
- US1921218A - Fan :
en
- US1921925A - Dental flask :
en
- DE577170C - Process for irradiating viscous or viscous extracts of animal or vegetable origin :
de
en
- FR750241A - Piston compressor :
en
fr
- US1921849A - Door operating mechanism :
en
- AU104748B2 - Improvements in light signals :
en
- AT134451B - Chamber rocket. :
de
en
- AT134411B - Calculating or accounting machine. :
de
en
- US1921972A - Contact glass :
en
- GB396582A - Improvements in electric discharge lamps and apparatus therefor :
en
- CA334648A - Brace end :
en
fr
- GB396685A - Improvements in or relating to relieved, axially movable pipe compensators :
en
- US1921717A - Method of making dichloroacetic acid :
en
- AT134437B - Floatless carburetor. :
de
en
- DE582345C - Hand tool :
de
en
- FR750513A - Multipurpose gas stove :
en
fr
- FR750582A - :
fr
- US1921281A - Adjustable locking tubing tong :
en
- US1921748A - Percolator coffeepot :
en
- US1921175A - Means foe ventilating the crank :
en
- US1921702A - Bit :
en
- US1920974A - Method of rebuilding lasts :
en
- US1920964A - Electrodeposition of alloys :
en
- US1921156A - Lost-motion connection for brake mechanisms :
en
- US1921625A - Tape dispensing machine :
en
- FR750362A - Apparatus for measuring the true course of a vehicle and in particular of an airplane :
en
fr
- GB397107A - Improvements in and relating to electric discharge devices :
en
- GB396526A - Improvements in or relating to fastening devices for broom handles and like purposes :
en
- GB396784A - Improvements in or relating to insulated electrical conductors :
en
- USD90450S - Design fob a shoe sole :
en
- US1921040A - Combination window and radiator inclosure :
en
- FR750369A - Improvements to liquid hydrocarbon stoves and burners :
en
fr
- US1921178A - Temperature control apparatus :
en
- US1921781A - Stair cushion :
en
- US1921868A - Method of melting nonferrous metals :
en
- DE581979C - Power brake device, in particular for motor vehicles :
de
en
- GB396513A - Improvements in or relating to the binding of books or the like :
en
- DE582131C - Chainsaw powered by a gasoline engine :
de
en
- DE582146C - A centrifugal machine consisting of several nested, conical screen drums :
de
en
- DE582221C - Apparatus for the separation of material according to the specific weight :
de
en
- CA334709A - Railway signalling system :
en
fr
- DE582311C - Process for the production of highly refractory items :
de
en
- US1920987A - Process of dyeing :
en
- US1921371A - Method of producing puffed pulp :
en
- US1921404A - Continuous film processing machine :
en
- US1921533A - Fluid pressure connection :
en
- CA334659A - Direction indicator :
en
fr
- US1921498A - Feed water regulator :
en
- US1921766A - Electric switch :
en
- US1921086A - Electric condenser :
en
- US1921578A - Refrigerator car door :
en
- CA334708A - Railway traffic recorder :
en
fr
- DE582183C - Starting device for internal combustion engines :
de
en
- FR750554A - Treatment of extinguishing powders :
en
fr
- GB396466A - Improvements in and relating to bung closures for metal vessels :
en
- AU586832A - Improvements in or relating to dish and the like washing machines :
en
- CA334739A - Band pass amplifier :
en
fr
- US1921980A - Wrench :
en
- FR750404A - Crushing mass for drum mills :
en
fr
- FR750407A - Device for the automatic cleaning of precious metal objects :
en
fr
- US1921359A - Traffic signal :
en
- AT134465B - Roll-up top for motor vehicles. :
de
en
- US1921508A - Geometrical instrument :
en
- US1921892A - Drawing instrument and adjunctive parts thereof :
en
- DE581706C - Circuit arrangement for traffic signal systems :
de
en
- US1921227A - Method of aligning edges for flash welding tubes :
en
- US1921883A - Plain-roller bearing journal box :
en
- FR750314A - Improvement in circulating auxiliary liquid pumps :
en
fr
- FR750348A - Process for preparing polymerized vinyl esters :
en
fr
- US1921046A - Draft gear :
en
- US1921289A - Apparatus for burning sulphur :
en
- US1921845A - Dynamo-electric machine :
en
- US1921207A - Automatic train pipe connecter :
en
- US1922018A - Carbureted water gas method :
en
- US1921813A - Head rod holder :
en
- US1921886A - Fertilizer discharging unit :
en
- US1921076A - Process for the manufacture of aryl-alpha-naphthylamines :
en
- US1921577A - Can feeding system :
en
- CA334647A - Hydraulic coupling :
en
fr
- CA334652A - Paper container :
en
fr
- FR750217A - Advanced plow for plowing on inclined terrain :
en
fr
- US1921002A - Comb cleaner :
en
- US1921804A - Car roof :
en
- US1921639A - Water tube boiler :
en
- US1921741A - Apparatus for controlling industrial processes :
en
- US1921089A - Aluminum alloy :
en
- USD90455S - Design fob an electric fixture :
en
- US1921044A - Bearing :
en
- FR750300A - Improvements in the manufacture of circuit breakers :
en
fr
- FR750508A - Knapsack :
en
fr
- FR750289A - Improvements to joist coverings for floors :
en
fr
- FR750540A - Joining device applicable to leather belts on the field :
en
fr
- GB396502A - Improvements in or relating to cleaning-brushes for machines for combing cotton or like fibres :
en
- GB396612A - Improvements in or relating to filter-presses :
en
- FR750225A - Process for obtaining vibrated cement piles :
en
fr
- GB396510A - Improvements in or relating to lens carriers :
en
- FR750235A - Signaling device for public works sites :
en
fr
- GB396493A - Improvements in or relating to change-speed gears :
en
- FR750202A - Improvements to the marriage-breakers of referees :
en
fr
- FR750516A - Device for supplementing the supply of stamps or other receipts from a dispensing machine :
en
fr
- US1921393A - Receiver for glass forming machines :
en
- FR750286A - Apparatus for measuring various dimensions of wheels for automobile trucks :
en
fr
- FR750492A - Method and device for projecting centrally, substantially without parallax, the image of a three-dimensional measuring index, in the image plane of a telescope :
en
fr
- FR750452A - Electromagnetic control device for clockwork and other mechanisms :
en
fr
- FR750558A - :
fr
- GB396556A - Improvements in and relating to the underpinning of bridges and like structures :
en
- GB396557A - Improvements in or relating to direction indicators for motor vehicles :
en
- DE582343C - Process for producing the semiconductor layer from selenium or the like for photo or rectifier cells :
de
en
- FR750238A - Crusher :
en
fr
- DE582077C - Feather padding :
de
en
- DE582115C - Device for suspending automatic couplings, especially for railway vehicles :
de
en
- FR750317A - Economical waxing machine for parquet floors or others :
en
fr
- FR750594A - Device and film intended for the recording and reproduction of any phenomena :
en
fr
- GB396535A - A new or improved combined retailing container and sprayer for enamel, paint, varnish or the like :
en
- FR750336A - Multi-strand wire rope anchoring device :
en
fr
- US1921125A - Mandrel :
en
- US1921446A - Automatic charging means for centrifugal extractors :
en
- US1921801A - Collapsible table, stand, box, or the like :
en
- US1921830A - Protective ground connection :
en
- FR750276A - Improvements to vehicle wheels :
en
fr
- FR750287A - air channeling drainer for refrigeration equipment :
en
fr
- GB396581A - Improvements in the preparation of hormones :
en
- FR750589A - Lighting device for busy roads :
en
fr
- US1921140A - Dynamo-electric machine rotor and alpha method of cooling the same :
en
- US1921221A - Hydraulic scraper :
en
- US1921576A - Refrigerating apparatus :
en
- US1921588A - Motor vehicle :
en
- GB396480A - Improvements relating to lawn-mowing or grass-cutting machines :
en
- GB396776A - Improvements in or relating to automatic alarm devices :
en
- FR750462A - Improvement in road signs and advertising :
en
fr
- US1922001A - Spring structure :
en
- USD90456S - Design for a curtain or the like :
en
- FR750315A - Hydraulic motor :
en
fr
- GB396659A - Improvements in or relating to dredgers for dredging powder-like or granular materials :
en
- DE582046C - Arrangement for switch with arc extinguishing by flowing pressurized gas :
de
en
- US1920981A - Conveyer :
en
- US1921944A - Renewable wax cartridge for wax applicators :
en
- GB396790A - Control apparatus for colour lighting :
en
- US1921328A - Comb for the hair :
en
- US1921963A - Fade-in and fade-out for motion picture film sound record :
en
- US1920986A - Method of making combined abrasives and holders :
en
- US1921302A - Header board stake :
en
- FR750456A - Educational game constituting a global, analytical and synthetic reading method at the same time :
en
fr
- GB396655A - Improvements in and relating to stripping devices in presses for stamping articles of pasteboard and the like :
en
- FR750476A - Process for manufacturing a liquid for silvering copper objects without the use of electroplating :
en
fr
- FR750296A - Reactions on carbonaceous materials using hydrogenating gases :
en
fr
- FR750504A - Corset-belt with strap :
en
fr
- GB396485A - Improvements in or relating to electric burglar alarm systems :
en
- GB396588A - Improvements in fastening devices for tents, awnings and the like :
en
- FR750206A - Circulating lubrication device for internal combustion engines :
en
fr
- FR750344A - Manufacturing process for wreaths, crosses and other funeral articles :
en
fr
- GB396635A - Improvements in and relating to conveyor band systems :
en
- GB396550A - Improvements in or relating to variable pitch propellers :
en
- GB396475A - Improvements in and relating to systems of electric motor control :
en
- GB396794A - Improvements in internal combustion engines :
en
- FR750290A - Mosaic electrode refinements :
en
fr
- FR750439A - Method for examining phenomena occurring in gases and vapors :
en
fr
- US1921574A - Talking motion picture projector :
en
- US1921857A - Color lakes :
en
- US1921933A - Smoking stand :
en
- US1921701A - Drill cutter :
en
- DE582043C - Process for the preparation of borneol :
de
en
- US1921036A - Egg timer :
en
- US1921779A - Gas cock :
en
- US1921872A - Soft collar :
en
- DE582037C - Roller bearing for door and window hinges :
de
en
- DE582070C - Air-cooled condenser, especially for refrigerators :
de
en
- US1921059A - Fuel burner :
en
- US1921122A - Steering gear mechanism :
en
- US1921341A - Attachment for rock drill tools :
en
- DE582004C - Adjustment device for railway brakes :
de
en
- DE582175C - Electric melting furnace with resistance heating for metals and other electrically conductive materials :
de
en
- US1921550A - Tire pressure indicator :
en
- AT134442B - Circuit arrangement for telephone systems with several branch points located on a connecting line. :
de
en
- US1921537A - Cushion cleat wheel :
en
- US1921638A - Basic bismuth compound of camphocarbonic acid :
en
- US1921948A - Optical cement :
en
- US1921243A - Condenser :
en
- USD90467S - Design for an acetylene lamp :
en
- CA334755A - Slicing machine :
en
fr
- US1921185A - Method and means for surfacing roads :
en
- US1921149A - Hostital indicator :
en
- US1921337A - Copper-containing azodyestuff :
en
- US1920968A - Electric control for motion picture projectors :
en
- FR750566A - Improvements to pressurized fluid brake devices :
en
fr
- US1921303A - Skylight :
en
- USD90458S - Design fob a drinking cup :
en
- FR750424A - Improvements to automatic, semi-automatic and convertible telephone systems :
en
fr
- US1921215A - Motion picture projector :
en
- US1921503A - Drilling apparatus :
en
- GB396680A - Process for the manufacture of metallurgical coke :
en
- US1920999A - Shearing machine :
en
- US1921485A - Feeder for portable tools :
en
- US1921579A - Tire forming device :
en
- US1921759A - Locked box :
en
- US1921908A - Knitted hosiery :
en
- US1921501A - Oscillation generator :
en
- US1921725A - Froth breaking :
en
- USD90452S - Design fob a mirrored glass bow pin :
en
- US1921236A - Method and apparatus for constructing alpha concrete caisson :
en
- US1921364A - Media for protecting furs, hairs, feathers, and animal textile products against the attack of animal and plant pests :
en
- FR750357A - Periscopic panoramic telescope with single or double fixed eyepiece :
en
fr
- FR750366A - Fuel treatment processes and devices :
en
fr
- FR750268A - Device for varying the adhesion of vehicle carriers and propellants :
en
fr
- GB396459A - Improvements in kites :
en
- US1921324A - Wood preserving media :
en
- US1921680A - Bottle cleaning device :
en
- FR750553A - :
fr
- FR750389A - Dual movement winch control system :
en
fr
- DE582281C - Method and device for the production of covered hollow glass bodies :
de
en
- GB396708A - Improvements relating to light valves :
en
- US1921104A - Gas or oil heating device :
en
- US1921599A - Brake mechanism :
en
- DE582022C - Scissors with wider support surfaces at the pivot point of the legs :
de
en
- FR750548A - Fondant for glass making :
en
fr
- DE582012C - Electric drive of rollers for roller corridors by means of asynchronous motors :
de
en
- DE582097C - Lock lock for firearms :
de
en
- DE582278C - Process for the preparation of disazo dyes :
de
en
- DE582320C - Process for the preparation of easily soluble salts of phenylquinoline carboxylic acids :
de
en
- FR750505A - :
fr
- GB396454A - Improvements in or relating to pit props and chock pieces for use in coal mines and the like :
en
- FR750564A - Training in baby carriages or the like :
en
fr
- FR750539A - Automatic coupling head for railway vehicles :
en
fr
- CA334611A - Pulverized fuel stoker :
en
fr
- FR750479A - Manufacturing process for pressed parts :
en
fr
- US1922014A - Humidifying apparatus :
en
- DE582129C - Inhalation device :
de
en
- US1921004A - Gaseous discharge device :
en
- GB396488A - Improvements in or relating to heavy duty circuit-breakers :
en
- US1921448A - Oscillation circuit for short-wave generators :
en
- US1920954A - Combination fish scaler and knife :
en
- US1921616A - Racket bow :
en
- US1921971A - Contact glass :
en
- US1921121A - Shock absorber :
en
- US1921440A - Method of and apparatus for skinning fish :
en
- US1921465A - Gas generator :
en
- FR750245A - Lock comprising a drive that remains permanently in the housing :
en
fr
- FR750545A - Solid preparations of vat dyes :
en
fr
- US1921387A - Filing cabinet :
en
- US1921399A - Exhausting mechanism :
en
- AT134435B - Handle. :
de
en
- CA334720A - Pedal pad :
en
fr
- CA334593A - Brake and throttle mechanism :
en
fr
- DE582084C - Zuendholzausgabe :
de
en
- FR750597A - Method and means for protecting the introduction of metal into containers and for improving the work of hydraulic presses or the like for expelling metals :
en
fr
- FR750302A - Polymetal :
en
fr
- FR750524A - Device for the protection of the ignition system of discharge tubes :
en
fr
- GB396478A - Improvements in grinding or abrading machines :
en
- US1921111A - Dynamo electric machine stator with noncorrosive lining :
en
- US1921147A - Method of and means for controlling low temperature refrigerants :
en
- FR750284A - Closure capsule :
en
fr
- GB396576A - An improved process for the production of methylated cycloheptanones and cyclo-octanones :
en
- FR750484A - Hair waver :
en
fr
- GB396537A - Mechanism for the ground-training of air-pilots :
en
- DE582048C - Device for monitoring electrical lines :
de
en
- US1921154A - Temperature regulating system :
en
- US1921333A - Grinding machine :
en
- USRE18915E - Vacuum cleaner :
en
- US1921977A - Cover supplying mechanism for multiple can closing machines :
en
- DE582258C - Method and device for producing a core strand consisting of non-circular individual wires :
de
en
- CA334740A - Convertible band pass amplifier coupling :
en
fr
- CA334766A - Fastener inserting machine :
en
fr
- FR750247A - Improved and cost-effective cap-cover device for case enclosing a fly-trap strip :
en
fr
- DE582011C - Pressure switch controlled by a tubular spring :
de
en
- DE582076C - Collapsible bed :
de
en
- DE582330C - Method for feeding the overburden, which is conveyed by the conveyor bridge, to the top of the heap by means of Hochschuetters :
de
en
- US1921025A - Hydraulic shock absorber with remote control and adjusting device :
en
- US1921015A - Packaging of gas containing objects :
en
- US1921190A - Underslung potato digger for tractors :
en
- US1921014A - Transmission :
en
- US1921338A - Azodyestuff :
en
- US1921369A - Method of coating paper :
en
- US1921114A - Method and apparatus for producing rolled bodies from powderous materials :
en
- US1921790A - Electric incinerator :
en
- US1921347A - Liquid feeder :
en
- US1921430A - Electromagnetic switching device :
en
- US1921423A - Highway traffic control system :
en
- US1921400A - Divided middle ring coupling :
en
- US1921454A - Total taking mechanism :
en
- US1921214A - Cooling means for motion picture projectors :
en
- US1921787A - Pulsation apparatus :
en
- US1921842A - Centrifugal machine :
en
- US1921145A - Method of and apparatus for controlling the flow of fluids :
en
- DE582057C - Drive device for the drive wheels of motor vehicles with oscillating drive wheel shafts :
de
en
- US1921601A - Window glass guide :
en
- CA334612A - Pipe hanger :
en
fr
- DE582150C - Cooling device for periodically acting absorption cooling machines :
de
en
- FR750397A - Mixed hydraulic and mechanical hub puller :
en
fr
- DE582259C - Device for loading trolleys with scrapers with a turntable under the scraper platform :
de
en
- US1921206A - Apparatus for passing articles suspended from supporting devices through baths :
en
- US1921635A - Bluing composition and process :
en
- USD90461S - Design for a spoon ok similar article :
en
- CA334683A - Film feeding mechanism :
en
fr
- CA334616A - Hose connection :
en
fr
- CA334592A - Power take off :
en
fr
- DE582236C - Process for the production of pile jacks or pile gratings consisting of mutually braced piles :
de
en
- DE582323C - Hard alloy for work equipment and tools :
de
en
- US1921612A - Process of producing laminated glass :
en
- US1921670A - Float-controlled suction intake device for forced feed lubricating systems :
en
- GB396657A - Process for the manufacture of cellulose esters :
en
- AU957932A - Goffering machine and heating apparatus therefor :
en
- CA334737A - Selective channelling system :
en
fr
- DE582290C - Eyeglass frame :
de
en
- GB396472A - Improvements in and apparatus for testing the thickness of threads, wires, strips and the like :
en
- FR750371A - Pedestal table :
en
fr
- FR750413A - Improvements to grinder rollers :
en
fr
- CA334778A - Packing case :
en
fr
- GB396672A - Device for indicating the presence of a chemical substance by colour change :
en
- FR750477A - Rubber-based composition for bonding and laying of materials :
en
fr
- US1921861A - Hair waver :
en
- US1921021A - Method of connecting alpha collapsible cellophane tube to alpha metallic dispensing terminal :
en
- US1921098A - Cleaner for pipes, sewers, culverts, and the like :
en
- US1921412A - Tabulating machine :
en
- US1921863A - Sorting machine :
en
- US1921363A - Process for treating fibers :
en
- US1921397A - Molding apparatus :
en
- FR750233A - Lifting and restraint device for free-falling sheep :
en
fr
- GB396795A - Improvements in or relating to shoe supporting forms :
en
- GB396658A - Manufacture of 3-methylal-3-oxymethyl-n-pentane :
en
- GB396718A - Improvements in and apparatus for the manufacture and production of water gas :
en
- US1921054A - Cleaning fluid :
en
- US1921306A - Process for concentrating ores and other mineral aggregates :
en
- US1921389A - Glassware transfer device :
en
- US1921958A - Bearing :
en
- FR750559A - Improvements to biscuit-making trays and the like :
en
fr
- DE581915C - Injection carburetor :
de
en
- US1920985A - Pump controlling mechanism :
en
- US1921905A - Hydroelectric installation :
en
- US1921313A - Method of preventing offsets :
en
- US1921584A - Mandrel :
en
- US1921783A - Exhaust purifier :
en
- AT134494B - Process for the extraction of high-percentage potash from technical potash eyes. :
de
en
- CA334748A - Glass cutter :
en
fr
- US1921105A - Fuel feed control for oil burners :
en
- US1921429A - Piston skirt expander :
en
- AU1019332A - An improved method of and means for building and reinforcing the walls of tunnels, shafts andthe like :
en
- AT134427B - Copy device for issuing acknowledgments of receipt, e.g. B. Receipts of Payment. :
de
en
- GB396492A - Improvements in or relating to packing machinery :
en
- US1921202A - Interchangeable sign :
en
- US1921632A - Pressure regulator :
en
- US1921246A - Process and apparatus for cracking hydrocarbon oil :
en
- US1921405A - Roll shaft :
en
- US1921897A - topham :
en
- US1921408A - Record controlled machine :
en
- US1921272A - Switch :
en
- US1921557A - Alarm and safety system :
en
- DE582117C - Wheel button :
de
en
- FR750443A - Contact or catalyst materials and their manufacturing process :
en
fr
- DE582124C - Electric display instrument :
de
en
- FR750441A - Electro-magnetic device for controlling the orientation of automobile headlights :
en
fr
- CA334596A - Engine starting handle :
en
fr
- FR750313A - Protection device against glare and fog for headlights of all kinds, in particular for cars and motorcycles :
en
fr
- GB396451A - Improvements in or relating to lamps for vehicles :
en
- GB396460A - Apparatus for pumping liquids in the treatment of mineral ores :
en
- US1921275A - Peanut butter and process for making the same :
en
- US1921605A - Means for handling and transporting freight :
en
- USD90440S - Design for a button :
en
- US1921047A - Incinerator firing element :
en
- US1921738A - Food fat and oil coloring material :
en
- US1921029A - Towable motor cycle :
en
- DE582248C - Protection circuit for power lines :
de
en
- AU1012832A - Improvements in piston skirt expander :
en
- US1921254A - Electric cigar and cigarette lighter :
en
- US1921854A - Combination cigarette case and lighter :
en
- AT134417B - Box for storing dental drills in an orderly manner according to the degree of their wear. :
de
en
- US1921210A - Offsetting press :
en
- US1921099A - Machine for shaping uppers over lasts :
en
- US1921071A - Telephone pay station apparatus :
en
- US1921563A - Method of separating difficultly soluble constituents from dilute solutions :
en
- US1921192A - Antiskid device :
en
- US1921935A - Process for the conversion of textile vegetable fibers into threads having the texture of wool :
en
- US1922008A - Floor radiounit :
en
- CA334679A - Inverse voltage control :
en
fr
- US1921193A - Rolling door mechanism :
en
- US1921847A - Synchronous motor clock :
en
- CA334597A - Milling machine :
en
fr
- US1921587A - Method for the manufacture of secondary aromatic amines :
en
- US1921807A - Water heater :
en
- US1920970A - Guy-line clamp :
en
- US1921037A - Sound recording :
en
- US1921876A - Match book holder for ash receptacles :
en
- AT134490B - Metal vapor or noble gas rectifiers with protective tubes surrounding the anodes. :
de
en
- FR750382A - Installation of protection against theft and fire, for boxes, safes, etc. :
en
fr
- AU851132A - Extra-air valve for internal combustion engines :
en
- CA334681A - Lightning arrester :
en
fr
- US1921242A - Scarf for electric arc welding thick metal articles :
en
- US1921424A - Medicinal remedy :
en
- US1921491A - Power shovel dipper :
en
- US1921514A - Nail :
en
- US1921673A - Scoring device for contract bridge :
en
- US1921719A - Electrical apparatus :
en
- AT134404B - Signaling devices, in particular for vehicles. :
de
en
- US1921540A - Manufacture of glassine papers :
en
- US1921327A - Cryptographic printing apparatus :
en
- US1921318A - Refraction instrument :
en
- AT134497B - Control device for power machines, in particular steam turbines. :
de
en
- AT134468B - Tabulator for typewriters. :
de
en
- AT134449B - Process for improving the mechanical and magnetic properties of iron-nickel-beryllium alloys. :
de
en
- DE582155C - Device for heating milk and similar liquids :
de
en
- FR750237A - Improvements to hoists and similar devices :
en
fr
- GB396675A - Improvements in fabric and method of treating the same :
en
- US1920995A - Holder for ice cream cones :
en
- US1921568A - Doorstop :
en
- US1920965A - Blowpipe :
en
- US1921188A - Sheet metal die :
en
- US1921426A - Method of treating artificial silk :
en
- US1921682A - Can :
en
- FR750265A - Speed recorder indicator :
en
fr
- FR750502A - Soot trap device :
en
fr
- FR750578A - Anti-blinding device for automobile headlights :
en
fr
- GB396720A - Improvements in automatic switches for use in telephone or like systems :
en
- US1920994A - Torque distributor :
en
- US1922015A - Journal box :
en
- CA334632A - Anti-friction packing :
en
fr
- FR750251A - Process for the distillation of volatilizable metals, for example zinc :
en
fr
- FR750417A - Means of advertising and method of disseminating it :
en
fr
- FR750482A - Chain enhancements :
en
fr
- GB396456A - Improvements in or relating to the treatment of caustic soda solutions for the removal of sulphate therefrom :
en
- US1921016A - Container closure :
en
- US1921158A - Insecticide :
en
- US1921374A - Snowplow :
en
- US1921428A - Aircraft structure :
en
- US1921594A - Ply stretching apparatus :
en
- US1921239A - Steering-post bracket for automobile frames :
en
- US1921911A - Can opener :
en
- US1920961A - Method of making inflatable articles :
en
- US1921826A - Method of assembling suspenders and slides :
en
- FR750442A - Weatherproof window protection device :
en
fr
- US1921274A - Universal joint :
en
- US1922019A - Flaw detector car :
en
- GB396770A - Improvements in or relating to the manufacture of aliphatic acids, anhydrides and ketones :
en
- USRE18912E - Electric brake for automobiles :
en
- AT134445B - Circuit arrangement for telegraph systems with voter operation. :
de
en
- US1921017A - Toy gun :
en
- AT134471B - Weft trimming and holding device. :
de
en
- US1921247A - Milk can and method of making same :
en
- DE582126C - Procedure for registering recordings in X-ray facilities :
de
en
- GB396663A - Improvements in and relating to single roll grinding mills :
en
- CA334653A - Bed and spring bottom :
en
fr
- CA334765A - Shoe sole pressing machine :
en
fr
- US1921285A - Composite slab structure :
en
- AT134439B - Pupin rice coil set with common metal cap. :
de
en
- AT134498B - Cash register. :
de
en
- US1921039A - Method and apparatus fob making :
en
- US1921690A - Cabinet-safe :
en
- US1921819A - Cellophane and fancy paper products and the like :
en
- US1921591A - Process for the manufacture of zinc white :
en
- US1921694A - Chuck :
en
- US1921666A - Oil burner :
en
- CA334626A - Floor waxer and polisher :
en
fr
- DE582092C - Epicyclic gears, especially for motor vehicles, with a plurality of groups of gears arranged one behind the other :
de
en
- GB396656A - Improvements in wings for high speed aircraft :
en
- CA334729A - Elevator indicator :
en
fr
- US1921150A - Corner construction :
en
- CA334658A - Wheel rim :
en
fr
- US1921667A - Automatic temperature regulator :
en
- US1921761A - Gas cock :
en
- US1921390A - Glassware conveyer :
en
- US1921878A - Locomotive terminal :
en
- US1921022A - Submarine cable signaling system :
en
- US1921223A - Method of differentially truing wire wheels :
en
- US1921729A - Hot top :
en
- US1922017A - Elastic fluid turbine :
en
- USD90451S - Design fob a cigarette carton :
en
- CA334771A - Heel seat forming machine :
en
fr
- FR750385A - Improved layout for aircraft landing :
en
fr
- CA334721A - Elastic fabric :
en
fr
- US1921230A - Observation port :
en
- US1921134A - Sanitary couch :
en
- US1921658A - Life preserver :
en
- US1921257A - Aib conditioning apparatus :
en
- GB396591A - Method and apparatus for obtaining an imitation of woollen fabrics by covering paper,cloth or the like with pieces of wool-fibre :
en
- CA334694A - Centrifugal bowl :
en
fr
- DE582201C - Collecting sheet designed as an index card for storing individual coins in coin collections :
de
en
- CA334613A - Glass yarn manufacturing apparatus :
en
fr
- CA334758A - Pipe tool :
en
fr
- US1921898A - Focusing device for photographic cameras :
en
- US1921388A - Process of making hydrochloric acid :
en
- US1921398A - Manufacture and separation of sul :
en
- US1921290A - Vehicle side signal :
en
- CA334599A - Manufacture of sheet rubber :
en
fr
- US1921510A - Two-stroke cycle internal combustion engine :
en
- US1921048A - Clutch :
en
- US1921982A - Remote control system :
en
- US1921659A - Life preserver :
en
- US1921661A - Hand truck :
en
- AT134461B - Pyrophoric lighter. :
de
en
- US1921343A - Therapeutic appliance :
en
- CA334664A - Lubricating device :
en
fr
- CA334668A - Strip stock sorting apparatus :
en
fr
- DE582297C - Connection of a musical instrument with a microphone to convert mechanical into electrical vibrations :
de
en
- US1921033A - Suction cleaner :
en
- USD90454S - Design fob a clasp :
en
- AT134478B - Electric induction furnace. :
de
en
- CA334776A - Alarm system :
en
fr
- US1921425A - Polar relay circuit :
en
- AT134401B - Method and nozzle for pressing bricks by means of extrusion. :
de
en
- US1921462A - Serving table :
en
- US1921220A - Conditioner and agitator :
en
- US1921525A - Ball handle :
en
- US1921793A - Spring testing machine :
en
- AT134428B - Beam-shaped component. :
de
en
- AT134438B - Carburetor. :
de
en
- CA334698A - Manufacture of curved composite glass plates :
en
fr
- CA334783A - Demountable wheel :
en
fr
- US1920972A - Vibrating screen :
en
- US1921093A - Shoe stretcher :
en
- US1921691A - Cushion and its manufacture :
en
- US1921907A - Exhaust turbo blower for internal combustion engines :
en
- CA334589A - Steam engine valve gear :
en
fr
- US1921414A - Adapter for apparatus handling receptacles :
en
- US1921747A - Rotary pump or the like :
en
- US1921319A - Machine for assembling springs :
en
- US1921382A - Coupler on pilot beams :
en
- US1921637A - Combination house cleaner :
en
- US1921777A - Cable clip :
en
- US1921051A - Access panel latch :
en
- US1921370A - Method of making phosphorus oxychloride :
en
- US1921489A - Cutting table :
en
- US1921452A - Fire extinguisher :
en
- US1921321A - Drier and polisher for wood turnings :
en
- US1921649A - Method of mottling paper :
en
- US1922012A - Switch :
en
- US1921506A - Shoemaker's tool :
en
- DE582262C - Spiral slide :
de
en
- CA334625A - Electric iron :
en
fr
- CA334661A - Shaft seal :
en
fr
- CA334756A - Railway car truck bolster :
en
fr
- GB396525A - Improvements in or relating to sieves :
en
- CA334621A - Card index :
en
fr
- US1921023A - Fluid motor :
en
- US1921312A - Thermostat :
en
- US1921264A - Clutch :
en
- US1921459A - Control mechanism for power transmission gears :
en
- US1921698A - Spraying apparatus :
en
- US1921909A - Radiator cap :
en
- US1921238A - Machine for hulling nuts and the like :
en
- US1921301A - Ironing machine :
en
- US1921458A - Manufacture of basic derivatives of anthraquinone :
en
- US1921760A - Alloy :
en
- US1921794A - Expansion shield or anchor :
en
- DE582208C - Multipole toggle switch with contact rollers and rigid mating contacts :
de
en
- US1921118A - Lubricating apparatus :
en
- US1921376A - Apparatus for electrolysis of fused bath :
en
- US1921742A - Announcing apparatus :
en
- US1921917A - Yielding door mechanism :
en
- US1921001A - Pressure gauge :
en
- US1921731A - Hot top :
en
- AT134408B - Sterilizer. :
de
en
- AT134430B - Enclosure made of wire mesh or mesh. :
de
en
- US1921827A - Water faucet :
en
- US1921350A - Flask :
en
- US1921449A - Motion picture projecting machine :
en
- US1921549A - Apparatus for manufacturing ice in plates :
en
- US1921723A - Electrical transmission system :
en
- US1921841A - Method of charging accumulators :
en
- US1921864A - Underfeed rotary grate stoker :
en
- US1921923A - Spray gun :
en
- CA334676A - Shears :
en
fr
- US1920982A - Method of producing building slabs :
en
- AT134436B - Remote liquid level indicator for high containers, especially steam boilers. :
de
en
- CA334682A - Sound recording apparatus :
en
fr
- US1921833A - Decelerometer :
en
- US1921053A - Method of setting loom spools :
en
- US1921113A - Display device :
en
- US1921900A - One-unit ventilating system :
en
- US1921970A - Combined insole and shank :
en
- DK47618C - Extinguishing device for firing residues. :
da
en
- GB396583A - Improvements relating to back-spacing mechanism for type-writing and like machines :
en
- US1921186A - Game :
en
- US1921764A - Feeding device :
en
- US1921487A - Method of and apparatus for feeding webs or strips :
en
- AT134421B - Process for making centreless electric incandescent lamps. :
de
en
- AT134486B - Traffic light with clock. :
de
en
- US1921973A - Garden implement :
en
- GB396457A - Improvements in or relating to links for travelling chain grate stokers :
en
- US1921406A - Power transmission mechanism :
en
- US1921346A - Perforated retainer plate construction for fire brick walls :
en
- US1921880A - Starting apparatus for rotary engines :
en
- US1921927A - Fin tubing :
en
- AU856232A - Improvements insound reproducing diaphragms and method of and means for producing thesame :
en
- US1921152A - Heater :
en
- US1921924A - Loud speaker motor :
en
- US1922006A - Method of making colloidal solutions of inorganic substances in polyalcohols :
en
- GB396450A - Improvements in or relating to teat cups for milking machines :
en
- GB396574A - An improvement in inking rollers for printing machines :
en
- DE582231C - Visor flap folding device :
de
en
- DE582210C - Double winch for road surges :
de
en
- CA334650A - Machine for making paper covers for bottles :
en
fr
- US1920973A - Valve-operating mechanism :
en
- US1921298A - lewis :
en
- US1921975A - Apparatus for making finned tubing :
en
- IE12597L - Discharge tubes :
en
- FR750352A - Device for chain tensioning in looms :
en
fr
- DE582132C - Compensating measuring device :
de
en
- CA334710A - Impedance bond for track circuits :
en
fr
- US1921871A - Magazine for rapid fire arms :
en
- GB396579A - Improved method of and apparatus for converting milky liquids, solutions, dispersions and emulsions into powder form by spray drying :
en
- GB397138A - Improvements in the manufacture of yarns :
en
- FR750457A - Diaphragms for pressurized electrolytic decomposition tanks :
en
fr
- DE582049C - Electrical capacitor with a dielectric consisting of absorbent material, which is coated with an insulating compound that is liquid at normal temperature, e.g. B. Oel or other oil-containing substances, is impregnated :
de
en
- DE582056C - Pressure medium braking device for controlling clutches :
de
en
- DE582300C - Liquid shock absorbers :
de
en
- CA334785A - Tube severing mechanism :
en
fr
- US1921962A - Container :
en
- FR750587A - Gas regulator system :
en
fr
- FR750537A - Flexible slide to accommodate and guide windows and in particular automobile windows :
en
fr
- DE582344C - Device for automatic draft control in gas firing systems :
de
en
- GB396494A - Improvements relating to automatic telephone systems :
en
- GB396522A - Improvements relating to garment pressing machines :
en
- US1921067A - Manufacture of thermionic devices :
en
- AT134412B - Dark field condenser with only one reflective surface for microscopes. :
de
en
- FR750297A - Airtight salt shaker with automatic valve :
en
fr
- GB396648A - Improvements in or relating to apparatus for washing and otherwise treating gases with liquids :
en
- CA334630A - Car side bearing :
en
fr
- FR750326A - Priming device for centrifugal, helical-centrifugal or helical pumps :
en
fr
- FR750574A - Process for the manufacture of lacquers and lacquering raw materials for lacquer fillers which contain artificial resins, in particular artificial phenolic formaldehyde resins :
en
fr
- FR750544A - Improvements to Aircraft Having Rotary Lifting Means :
en
fr
- FR750323A - Electric lamp :
en
fr
- FR750496A - Improvements in the manufacture of aliphatic hydrocarbons :
en
fr
- FR750291A - Improvement in the manufacture of so-called welt-sewn shoes :
en
fr
- FR750590A - Electric rocket in time :
en
fr
- FR750392A - New nozzle for gas rail :
en
fr
- FR750401A - Saw tooth crushing device :
en
fr
- FR750588A - Improvements to measuring caps :
en
fr
- GB396511A - Improvements in or relating to roller bearings :
en
- DE582010C - Compressed gas switch with motor drive :
de
en
- GB396499A - Method of producing tube fittings for hydraulic brake systems :
en
- DE582185C - Band saw inclined machine with two adjustable and exchangeable, rotatable inclined disks :
de
en
- FR750485A - Mechanical transporter :
en
fr
- GB397470A - Improvements in or relating to the production of colourations on textile materials made of or containing cellulose esters :
en
- GB396542A - Improvements in and relating to vacuum cleaning machines :
en
- FR750232A - Interior reinforcement without mastic or cement for insulators :
en
fr
- FR750253A - Grinding and polishing machine :
en
fr
- FR750387A - :
fr
- DE582130C - One-piece sliding window that can be swiveled out and guided by pins in grooves :
de
en
- FR750512A - Automatic and simultaneous threading device for the threading machines :
en
fr
- FR750557A - Improvements to carburettors for combustion engines :
en
fr
- US1921689A - Method and apparatus for separating liquids :
en
- FR750212A - Acceleration pump carburetor :
en
fr
- FR750306A - Substances suitable for the disinfection and preservation of perishable materials :
en
fr
- DE582181C - Rotary piston internal combustion engine :
de
en
- US1921060A - Method of purifying metals :
en
- US1921100A - Method of and apparatus for making building tiles :
en
- DK47609C - Device for Cheese Making Apparatus. :
da
en
- FR750509A - Device to improve combustion and reduce fuel consumption :
en
fr
- FR750579A - Iron rest forming current switch for electric iron :
en
fr
- GB396628A - A mixing and distributing cock :
en
- GB396495A - Process of finishing pelts and skins :
en
- GB396739A - Improvements in automatic switches for use in telephone or like systems :
en
- US1921538A - Securing and supporting device for concrete reenforcement :
en
- GB396676A - Improvements in or relating to soldering devices :
en
- FR750446A - Hourdi with a special profile in baked clay or cement concrete, for reinforced cement floors :
en
fr
- GB396474A - Improvements in or relating to combing machines for textile fibres :
en
- GB396706A - Improvements in or relating to lubricators :
en
- US1921304A - Automobile extensible trunk :
en
- US1921843A - Furnace wall :
en
- US1921170A - Marble ring holder for outlet boxes :
en
- FR750285A - Salt or pepper dispenser :
en
fr
- FR750455A - Improvements to anti-return devices for automatic starting mechanisms :
en
fr
- US1921688A - Attachment for road treating machines :
en
- US1921655A - Machine for finishing the heads of bolts, screws, and the like :
en
- US1921896A - Gazing globe :
en
- US1921884A - Interchangeable journal box :
en
- US1921672A - Ball mill lining :
en
- US1921696A - Draft gear support :
en
- US1921995A - Drum type sander :
en
- GB397128A - Improvements relating to apparatus for the recovery by adsorption of gases, vapours or liquids :
en
- US1921200A - Continuous object forming press :
en
- US1921543A - Electrical radiation apparatus :
en
- DE582028C - Thermometric device for determining the heat absorption of heating surfaces :
de
en
- US1921245A - Tire rim for pneumatic tires :
en
- US1921308A - Rumble seat top :
en
- US1921848A - Temperature compensating means for weighing scales :
en
- US1921881A - Coupling device for road forms :
en
- GB378390A - Improvements in the manufacture and production of urethane derivatives :
en
- GB396527A - Improvements in thermionic valves :
en
- DE582158C - Box feeder :
de
en
- DE582178C - Teaching how to fix the parts of a framework structure before welding :
de
en
- FR750370A - Manufacturing process of ceramic products :
en
fr
- US1921042A - Fan :
en
- US1921806A - Heat exchange apparatus :
en
- CA334642A - Metallic core coating machine :
en
fr
- US1921043A - Airplane :
en
- US1921083A - Method of cementing soles :
en
- DE582152C - Step relay, the core of which is provided with a main and an auxiliary pole, especially for telephone purposes :
de
en
- GB396626A - Improvements in or relating to dial switches for use in telephone systems :
en
- FR750421A - Movable fuse element safety circuit breaker :
en
fr
- GB396778A - Process for the manufacture of 3.4.5.-trisubstituted-triazoles (1.2.4) :
en
- FR750428A - Mobile fruit sorting machine :
en
fr
- GB396652A - Method for manufacturing articles such as building elements from a mixture of hydraulic binder and a prepared fibrous material :
en
- US1921785A - Dirigible light :
en
- GB396752A - Means for mounting incandescent electric lamps and reflectors for same :
en
- FR750412A - Lighting fixtures improvements :
en
fr
- CA334761A - Tensioning apparatus :
en
fr
- FR750487A - Film advancement device for cameras :
en
fr
- US1921141A - Steering mechanism :
en
- US1921668A - Organic compound and method of treating the same :
en
- DE582223C - Device for generating foam, in particular for fire extinguishing purposes :
de
en
- GB396555A - Improvements in centrifugal governors :
en
- GB396662A - Manufacture of 1-methylamino-4-aminoanthraquinone :
en
- GB396669A - An improved method of producing an end thickening in tubular bodies made by rolling with skew rolls :
en
- DE582035C - Both manually and electrically operated drive device for opening and unclamping motor vehicle tops :
de
en
- DE582253C - Method for treating bare bones and leather :
de
en
- DE582013C - Device to prevent single-phase operation of three-phase motors :
de
en
- DE582199C - Bell gas container :
de
en
- DK47616C - Surface capacitor with tubes rolled at both ends. :
da
en
- DE578910C - Grinding and polishing of spherical and aspherical lenses or the like. :
de
en
- DE582209C - String galvanometer, especially for oscillographic curve recording :
de
en
- GB396600A - Improvements in conveyors :
en
- GB396534A - Improvements in or relating to lighting devices for gas cookers :
en
- DE579976C - Spring-loaded push button switch for electric flashlights :
de
en
- GB396716A - Improvements in or relating to ships' propellers :
en
- US1921077A - Poultry leg band :
en
- FR750356A - Improvements to differential transformers :
en
fr
- GB396629A - Improvements in or relating to elevator systems :
en
- GB396738A - Improvements in or relating to electromagnetic switching devices for use in telephone or like systems :
en
- DE582165C - Rotary piston engine or pump in which two pistons rotate at different angular speeds :
de
en
- DE582308C - Safety device for siphon plug :
de
en
- FR750398A - On-site gyrations of motor cars :
en
fr
- GB396532A - Improvements in the manufacture of pottery ware :
en
- DE582098C - Abortion flush activated by door movement :
de
en
- DE582135C - Bottom trawl gear :
de
en
- DE581957C - Continuous absorption chiller :
de
en
- GB396775A - Improvements in pump apparatus for delivering measured quantities of liquid :
en
- GB396595A - Improvements in air, gas or smoke extractors :
en
- FR750246A - Pregnancy Corset :
en
fr
- DE582104C - Process for the recovery of cellulose esters as a solution from exposed or unexposed films :
de
en
- DE582266C - Process for the preparation of esters :
de
en
- DE580792C - Device to prevent exceeding the permissible brush wear on collectors :
de
en
- DE582317C - Process for the production of ammonium nitrate :
de
en
- US1921809A - Gas pipe stop :
en
- CA334702A - Sealed package for elastic webbing :
en
fr
- DE582305C - Lid closure for wide-necked bottles, cans and similar containers :
de
en
- US1921075A - Trimming machine :
en
- CA334777A - Electric heating device :
en
fr
- FR750248A - Improvements to indirectly heated cathodes for electronic lamps :
en
fr
- GB397106A - Improvements in or relating to pneumatic hammers and similar percussive tools :
en
- DE582001C - Process for separating mixtures of phenols :
de
en
- DE582237C - Return device for tong wagons from drawbars :
de
en
- US1921394A - Hair curling and waving device :
en
- US1921003A - Concrete block molding machine :
en
- US1921646A - Waterproof clothing :
en
- US1921611A - Check testing mechanism :
en
- CA334640A - Potato digger :
en
fr
- AT134413B - Ambulance, can also be used as a living or luggage car. :
de
en
- US1921836A - Brake shoe manufacture :
en
- US1921994A - Feed clutch :
en
- FR750264A - Improvements to mechanical caps :
en
fr
- FR750570A - Improvements to gas discharge devices and their manufacture :
en
fr
- US1921444A - Injector :
en
- US1921342A - Egg beater :
en
- DE582229C - Blade for safety razor :
de
en
- DE582257C - Method and device for heating pasteurizers, in particular for milk :
de
en
- FR750475A - Foundation process using high strength concrete or reinforced concrete piles :
en
fr
- US1921261A - Hinge construction :
en
- AU851432A - An improved fruit cleaning and grading machine :
en
- US1921287A - Brake :
en
- US1921081A - Road reenforcement and joint :
en
- US1921471A - Receptacle for granular or pulverulent condiments for table use :
en
- FR750399A - Advanced contact for electrical devices :
en
fr
- FR750435A - Advertising system :
en
fr
- GB396602A - Improvements relating to conveyors :
en
- GB396741A - Manufacture of 2-(3-hydroxynaphthyl-2)-4-hydroxy-6:7-benzo-pseudo-aziminobenzenes and azo-dyestuffs therefrom :
en
- US1921421A - Removable guide pin :
en
- US1921727A - Method of separating isomeric monochloro-ortho-hydroxy-diphenyls :
en
- US1921070A - Windshield wiper :
en
- US1921901A - Insect destroying device :
en
- US1921226A - Signal receiving system :
en
- CA334591A - Vehicle lifting device :
en
fr
- CA334731A - Meter recording device :
en
fr
- US1921028A - Brake rod support :
en
- US1921416A - Alloy :
en
- US1920989A - Portable crane :
en
- US1921119A - Envelope sealing machine :
en
- US1921050A - Dye printing plate and sensitized material therefor :
en
- US1921159A - Power actuated typewriter :
en
- US1921065A - Electron emitter and process of making same :
en
- US1921362A - Water insoluble azodyestuff :
en
- US1921401A - Seat for cleaning windows :
en
- US1921789A - Pulsation apparatus :
en
- US1921954A - Motion picture and sound record film :
en
- US1921991A - Alcoholic fermentation process and product thereof :
en
- US1921718A - Electrical transmission system :
en
- US1921796A - Cable code signaling system :
en
- US1921161A - Trailer brake :
en
- US1921232A - Automatic control system for waste water :
en
- US1921129A - Highway guard :
en
- US1921177A - Shoe :
en
- US1921292A - Composition and method of making and using the same :
en
- US1921967A - Burglar trap :
en
- CA334690A - Mud guard and radiator shell :
en
fr
- AT134496B - Device for achieving stereoscopic effects in binocular and projection microscopes. :
de
en
- DE582169C - Process for the preparation of Kuepen dyes :
de
en
- DE582333C - Machine for the production of sewing machine needles :
de
en
- US1921815A - Calendar :
en
- FR750210A - Compressor :
en
fr
- US1921869A - Method of and means for making coils possessing accurate inductance :
en
- US1922013A - Dust collector :
en
- US1921495A - Machine fok making bats :
en
- DE570023C - Rider, consisting of a single piece of sheet metal with a narrow, springy sheet metal tongue punched out of it :
de
en
- DE582331C - Zipper links :
de
en
- AT134464B - Frame-like luggage carriers, in particular for motorcycles. :
de
en
- DE582089C - Device for treating liquids by means of ultraviolet rays :
de
en
- FR750432A - New interlocking reinforced cement tile-slab system :
en
fr
- CA334641A - Fuel injector :
en
fr
- CA334786A - Sea drome :
en
fr
- AU720032A - Improvements in means for measuring and delivering liquids :
en
- CA334619A - Fireproof awning :
en
fr
- US1921763A - Draft control apparatus for furnaces :
en
- US1921110A - Luggage :
en
- US1921888A - Machine for guiding cutting or welding burners, electrodes, and like implements :
en
- US1921939A - Machine for fastening together folded sheets of paper with adhesive material :
en
- FR750321A - Rail brake magnet retainer :
en
fr
- US1921228A - Spacer for piling pipe :
en
- FR750278A - Device for regulating the temperature of a fluid :
en
fr
- CA334618A - Refractory brick :
en
fr
- US1921765A - Rotary snap switch :
en
- US1921931A - Screw propeller :
en
- GB396754A - Machine-gun mounting for airplanes :
en
- US1921596A - Landing net :
en
- CA334602A - Shoe :
en
fr
- AT134469B - Regulating valve for water softeners. :
de
en
- FR750256A - Method of recording music played on a piano and apparatus based thereon :
en
fr
- FR750305A - Process for the preparation of dispersions of solid bodies :
en
fr
- US1921956A - Control for heat-treating apparatus :
en
- AU254237A - Improvements in light signals :
en
- US1921716A - Rail anchor :
en
- FR750215A - Manufacturing process for white portland cement :
en
fr
- GB396771A - Improvements in or relating to sliding windows :
en
- GB396514A - Improvements relating to electron emitters and to the manufacture of the same :
en
- GB396598A - Hydraulically-controlled infinitely-variable transmission mechanism :
en
- GB396616A - Improvements in oil engines :
en
- AT134433B - Enclosure grille. :
de
en
- AT134453B - Device for the automatic shut-off of gas lines. :
de
en
- US1921078A - Dyeing :
en
- US1921484A - Window channel :
en
- FR750409A - Electric lighted portable candle :
en
fr
- FR750335A - Vessel opening device, controlled by rotating rods and provided with a locking system :
en
fr
- DE582339C - Sealing for openings in cold rooms by a sliding cover plate :
de
en
- US1921979A - Scale :
en
- US1921562A - Spring connection for vehicles :
en
- GB396604A - Improvements in or relating to safety razors :
en
- GB396653A - Method of manufacturing waterproof linen :
en
- GB396756A - Improvements relating to circular looms :
en
- GB397113A - Improvements in or applicable to forced draught furnaces :
en
- GB396562A - Improvements in charge moistening devices for internal combustion engines :
en
- GB396563A - An improved automaton :
en
- GB396660A - Improvements in or relating to door and like fastenings :
en
- DE582033C - Photographic lens shutter with light meter :
de
en
- GB396587A - Improvements in or relating to carburettors :
en
- US1921443A - Bearing for rotary printing machines :
en
- DE582283C - Wall hook :
de
en
- DE582289C - Cassette for tape or wire-shaped recording media :
de
en
- FR750527A - New game :
en
fr
- GB396667A - Improvements relating to the weighting of gas-holders :
en
- US1921521A - Shedding device for dobbies :
en
- GB396601A - Fluorescent screen :
en
- DE582318C - Process for the production of acetic anhydride :
de
en
- GB396737A - Process for conserving technical and pharmaceutical preparations and other substances liable to attack by micro-organisms :
en
- DE581793C - Process for the preparation of anthraquinone naphthacridone derivatives :
de
en
- US1921293A - Product and process of reacting cashew nut shell liquid with paraformaldehyde :
en
- CA334774A - Insecticide :
en
fr
- GB396531A - Cardboard and the like boxes :
en
- US1921545A - Colored screening layer for sensitive photographic elements :
en
- US1921604A - Apparatus for manufacturing medical swabs :
en
- US1921273A - Signaling device :
en
- US1921552A - Motor vehicle :
en
- DE582206C - Circuit arrangement for relay selectors :
de
en
- USD90437S - Design for a textile fabric or :
en
- DE582019C - Process for the carburization of generator gases :
de
en
- DK47612C - Procedure for Treating Raw Phosphate with Nitric Acid. :
da
en
- CA334701A - Coloured stencil :
en
fr
- US1921671A - Overjacket for molds :
en
- DE582020C - Gas generators, in particular for internal combustion engines :
de
en
- US1921613A - Dental bridge :
en
- CA334705A - Disinfectant production :
en
fr
- DK47625C - Rail connection device for electric tracks. :
da
en
- DE582279C - Drive device for grate feeder with oscillating throwing shovel :
de
en
- FR750257A - Coupling arrangement for control rectifiers :
en
fr
- DE582269C - Transfer device on die setting and line casting machines for transferring the spaces into their magazine :
de
en
- US1921614A - Illuminated artificial plant :
en
- US1921082A - Pin :
en
- US1921432A - Constant temperature apparatus :
en
- US1921870A - Film magazine closure :
en
- CA334633A - Chemical compound recovery :
en
fr
- FR750267A - Ashtray :
en
fr
- GB396490A - Improvements in and relating to the production of spot carbon papers :
en
- US1921351A - Concrete placing equipment :
en
- FR750523A - Corset closure clip :
en
fr
- FR750507A - Closing device for interchangeable containers for depositing and transporting household waste and other materials :
en
fr
- US1921499A - X-ray apparatus :
en
- US1921515A - Method of making wire nails :
en
- US1921583A - Ladder construction :
en
- US1921087A - Wave signaling system :
en
- US1921007A - Rubber composition and method of preserving rubber :
en
- US1921334A - Triarylmethane dyestuff :
en
- CA334699A - Dyeing apparatus :
en
fr
- DE582002C - Device for regulating prime movers :
de
en
- DE582184C - Cross slide, preferably for machine tools, for moving a part carried by it in two intersecting directions :
de
en
- US1920956A - Power transmission mechanism :
en
- US1921251A - Portable refreshment booth :
en
- US1921799A - Remote motor control :
en
- US1921822A - Manufacture of roads, yards, aerodromes, and like surfaces and means therefor :
en
- AT134491B - Electric locomotive. :
de
en
- US1920962A - Strand unwinding apparatus :
en
- CA334667A - Chemical reaction device :
en
fr
- US1921736A - Carburetor :
en
- US1922007A - Mass resembling ivory and method of making the same :
en
- DE582230C - Safety razor with a reciprocating blade :
de
en
- CA334738A - Band pass amplifier :
en
fr
- CA334724A - Condensate evacuation apparatus :
en
fr
- FR750514A - Device for the bridge game brand :
en
fr
- GB396650A - Improvements in a method and apparatus for making undercut saw teeth or the like :
en
- US1921516A - Method of making tubes :
en
- CA334779A - Wringer roll :
en
fr
- FR750223A - Process for the manufacture of concave objects, such as baskets, fruit baskets and others, starting from one or more discs of a thin, metallic sheet :
en
fr
- US1921488A - Bearing :
en
- US1921310A - Rear view mirror for trucks :
en
- US1921534A - Propeller :
en
- US1921548A - Juvenile tiring :
en
- US1921992A - Aircraft :
en
- USD90444S - Design fob a portable humidifier :
en
- US1921396A - Loom having alpha stationary weft supply :
en
- USD90441S - Design fob a derrick :
en
- DE582191C - Device for connecting the striking strap with the shooter driver and the baton :
de
en
- US1921492A - Electrolytic process for simultaneously bleaching and removing metallic impurities from cellulose esters :
en
- US1921669A - Method and apparatus for separating coins :
en
- US1921932A - Chair :
en
- GB396750A - An improved process for manufacturing a smooth string of hard fibrous hemp :
en
- US1921213A - Bookmarker and filing card :
en
- GB396503A - Improvements in and relating to the manufacture of rubber products :
en
- GB396618A - Improvements in or relating to the manufacture of printing inks and their use in thegraphic arts :
en
- USD90466S - Design fob a textile fabric ob :
en
- US1921155A - Coin counting machine :
en
- US1921255A - Nitric acid concentration :
en
- CA334782A - Vehicle lifting jack :
en
fr
- US1920980A - Process of making synthetic resins, and coating-compositions containing them :
en
- US1921199A - Soap slicing machine :
en
- AT134474B - Device for scrubbing, sanding, polishing, etc. like :
de
en
- US1921624A - Testing apparatus :
en
- FR750529A - Process for obtaining pure zinc oxide practically free of lead from roasted zinc ores, foundry and galvanizing ash; and, in general, of all zinciferous and lead-containing materials and residues :
en
fr
- US1921825A - Process for the recovery of metal values :
en
- FR750277A - Winding mechanism and automatic reversal of the winding direction of the inked ribbon of a typewriter :
en
fr
- FR750596A - Process for manufacturing a shoe fitting intended more especially for excursions and mountain sports, and shoe fitting manufactured according to the process :
en
fr
- DE581984C - Warping machine :
de
en
- US1921437A - Ornament :
en
- US1921913A - Truck bolster and side bearing structure with lateral motion means :
en
- CA334715A - Slicing machine :
en
fr
- DE582139C - cleaning supplies :
de
en
- GB396580A - Television transmission method :
en
- DE582294C - Cattle coupling device :
de
en
- IE13129L - Manufacture of crepe yarn :
en
- DK47613C - Recoil pistol. :
da
en
- FR750372A - Improvements to universal type coupling joints :
en
fr
- FR750467A - Process for the catalytic preparation of aldehydes :
en
fr
- FR750294A - Interchangeable electrode spark plug :
en
fr
- FR750556A - Device for tuning reception devices used for high-frequency carrier wave communications, for example, in wireless telephony or telegraphy :
en
fr
- GB396747A - New or improved disinfecting and cleansing device for telephone and like mouthpieces :
en
- FR750333A - Rigid anti-hernia breastplate :
en
fr
- GB396619A - Improvements in and relating to portable electric grinding machines :
en
- FR750328A - New water insoluble azo dyes :
en
fr
- IE12781L - Storage batteries :
en
- DK47628C - Automatic for Use in connection with Utensils, which must be released for Use during certain periods. :
da
en
- GB396640A - Improvements in multi-stage printing and like operations, especially for articles ofirregular shape :
en
- FR750406A - Filler for reservoir pen holder or the like :
en
fr
- GB396727A - Improvements in, or relating to, electric lamp-holders :
en
- DE582116C - Signaling device for passenger vehicles :
de
en
- DK47617C - Automatic Ignition Offset Device in Controlled Metal Vapor Valves for Converting DC to AC. :
da
en
- DE582062C - Device for measuring the span of running fabric webs on textile machines :
de
en
- US1921910A - Flexible coupling :
en
- DE582091C - Tripod for cinematographic cameras :
de
en
- GB396479A - Window with rollable netting for protection against insects :
en
- DE582119C - Toggle switch :
de
en
- US1921009A - Electric blasting reel and cable :
en
- FR750379A - Fuel distributor for internal combustion engines :
en
fr
- DE582296C - Switching device on automatic spiral drill milling machines for reversing the workpiece spindle :
de
en
- FR750584A - Self-closing valve for toilet flushing devices. :
en
fr
- US1921451A - Calendar :
en
- US1921139A - Discharge tube :
en
- US1921299A - Cyanide and method of controlling the porosity thereof :
en
- US1921463A - Serving tray :
en
- FR750240A - Improvements to temperature indicators :
en
fr
- FR750258A - Preparation of chlorosulfonic acid and sulfur dioxide :
en
fr
- US1920993A - Tabulating machine :
en
- US1921455A - Method of and apparatus for treating sheet rubber :
en
- US1921903A - Elastic fluid turbine :
en
- DE582123C - Short-circuit proof diverter switch :
de
en
- DE582335C - Ring mechanism for letter folders, loose-leaf books, etc. like :
de
en
- US1920952A - Line flow fan :
en
- US1921176A - Lure :
en
- AT134432B - Washing device. :
de
en
- CA334677A - Shearing machine :
en
fr
- US1921208A - Cover operator and holder for garbage cans and the like :
en
- AT134460B - Container lock. :
de
en
- DE582108C - Round or oval extending table :
de
en
- DE582267C - Process for the production of sulfonic acids and their conversion products :
de
en
- US1921073A - Pipe :
en
- GB396670A - Improvements in and relating to dock-struts or stays :
en
- GB396793A - Improvements in or relating to electrically controlled clock systems :
en
- US1921381A - Production of alcohols of high molecular weight :
en
- US1921529A - A kottmann :
en
- US1921786A - Nonlinear circuit :
en
- US1921938A - Hose reel :
en
- USD90457S - Design foe a drapery or the uke :
en
- FR750490A - Drainage channel :
en
fr
- DE582053C - Curve guide for bucket conveyors :
de
en
- DE582216C - Medicinal powder capsule made of paper :
de
en
- FR750411A - Device for obtaining the horizontal displacement of the load during lifting or lowering movements of a crane boom :
en
fr
- FR750500A - Rubber-based plastic material and its preparation process :
en
fr
- FR750503A - Lifting device particularly applicable to motor cars and other vehicles :
en
fr
- FR750519A - Cover for oil switch :
en
fr
- GB396606A - Improvements in thread-tensioning devices :
en
- US1921020A - Water motor for sprinklers :
en
- US1921163A - Refrigerating apparatus :
en
- US1921300A - Distillation of tar :
en
- US1921660A - Motor vehicle :
en
- US1921057A - Duct connection box :
en
- US1922003A - Apparatus for inflating and deflating gas main bags :
en
- US1921056A - Duct fitting :
en
- US1921522A - Well bore feeler :
en
- US1921985A - Internal combustion engine :
en
- GB396468A - An adjustable aeriform fluid diffuser :
en
- DE582030C - Slip clutch :
de
en
- DE582083C - Optical sound reproduction device :
de
en
- DE582235C - Process for the production of highly refractory masses :
de
en
- US1921064A - Hand mechanical fleece deburring machine :
en
- USD90432S - Design for a book end :
en
- US1921708A - Combined house heating and domestic water heating system :
en
- US1921797A - Bridle ring :
en
- AT134419B - Electron tube with hot cathode. :
de
en
- CA334692A - Nut and washer assembling apparatus for valve stems :
en
fr
- FR750301A - Improvements to arc lamps in ionized gas :
en
fr
- FR750418A - Device for making projectors of all kinds non-blinding :
en
fr
- GB396578A - A device for supporting two or more rotating shafts :
en
- US1921912A - Reservoir applicator :
en
- AU854732A - Improvements in or relating to television and like systems :
en
- GB396632A - Improvements in and relating to water expelling presses :
en
- GB396617A - Bar-salt powdering mill :
en
- FR750364A - Automatic adjustment device for transmissions of forces of any kind, and in particular for brakes :
en
fr
- FR750461A - Fresh water carafe :
en
fr
- AT134418B - Lorgnon. :
de
en
- DE582307C - Tin can or similar container with knife used to cut open the inner lid :
de
en
- GB396789A - Improvements in direction indicators and/or signalling devices for motor and like road vehicles :
en
- US1921013A - Paspartouting machine for lamp shades, baskets, and the like :
en
- US1921030A - Generator cooling device :
en
- US1921556A - Lubricating device for bearings :
en
- CA334703A - Soap :
en
fr
- CA334713A - True horizon determining apparatus :
en
fr
- FR750547A - Device for mounting an electric discharge tube in a gas atmosphere :
en
fr
- GB396707A - Improvements relating to microphone amplifiers :
en
- FR750586A - Lighting and electric starter machine for starting combustion engines and charging the battery, in combination with a battery ignition system :
en
fr
- GB396694A - Brake operating mechanism for rail vehicles :
en
- DE582112C - Incandescent lamp for liquid fuels :
de
en
- US1921654A - Manufacture of bolts, screws, and the like :
en
- US1921674A - Paper fastener :
en
- US1921839A - Aircraft having freely rotative sustaining wings :
en
- FR750415A - Direct reading capacitance meter :
en
fr
- US1920988A - Mechanical movement :
en
- US1921373A - Method of conducting chemical reactions in liquid media :
en
- US1921617A - Waterless gasometer :
en
- DE581865C - Process for cooling hot gases, in particular furnace gases :
de
en
- FR750242A - Concrete and iron dam and retaining walls :
en
fr
- DE581832C - Process for the conversion of organic liquids with gases or vapors :
de
en
- US1921336A - Copper-containing azodyestuff :
en
- US1921441A - Electric resistance device :
en
- US1921860A - Distillation of wax materials :
en
- US1921873A - Fuel injector :
en
- DE574755C - Glass resistant to metal vapors :
de
en
- US1921744A - Sheet handling mechanism :
en
- DE582156C - Device for achieving synchronization of toothed coupling members before they are engaged :
de
en
- FR750222A - Articles of clothing of all kinds knitted, worked, woven or manufactured in any other way analogous to a metallic protector :
en
fr
- GB396686A - Improvements in means for actuating pyrophoric lighters and gas lighters :
en
- US1921235A - Reciprocating movement :
en
- FR750274A - Packaging for fruits, flowers and early vegetables :
en
fr
- FR750440A - Process for the preparation of dried milk :
en
fr
- US1921153A - Motor driven blower unit :
en
- US1921352A - Brooder house :
en
- US1921419A - Electric switch :
en
- DE582088C - Milk heater :
de
en
- GB396643A - Improvements in or relating to power transmission systems :
en
- FR750203A - Metal spoke wheel for cars, carts, etc. :
en
fr
- FR750377A - Further training in ovens for pastry chefs, bakers, cooking and the like :
en
fr
- FR750260A - Improvements to electric accumulator elements :
en
fr
- GB396486A - Improvements in or relating to folding mechanisms for paper or similar sheets :
en
- US1921034A - Syringe container and ejector :
en
- US1921366A - Liquid seal device for regulators :
en
- FR750450A - Method for scanning wet film, in particular for television :
en
fr
- FR750224A - Process for making construction elements, such as concrete pavement coverings, artificial stones and the like :
en
fr
- DE582211C - Festoon socket with contact protection :
de
en
- FR750388A - Electrical device for checking and recording operating hours :
en
fr
- US1921209A - Hook-ended coiled spring :
en
- DE582114C - Process for printing with Kuepen dyes :
de
en
- FR750213A - Direct current regulation with control rectifiers, especially for motor cars :
en
fr
- FR750295A - Device for concentrating solutions by circulation :
en
fr
- US1921581A - Hitch mechanism :
en
- US1921634A - Process of preparing hydrated citric acid :
en
- US1921494A - Method of producing audible pictures :
en
- US1921757A - Laminated molded product :
en
- US1921891A - Horseshoe :
en
- US1921904A - Decorticating device for timber :
en
- DE582051C - Solvents and fixators for fragrances :
de
en
- FR750292A - Glove with device for opening the ends of the thermowells :
en
fr
- GB396624A - Improvements relating to ventilation particularly as protection against poison gas or the like :
en
- US1920996A - Automatic starting mechanism for internal combustion engines :
en
- US1921080A - Deinking apparatus :
en
- DE582040C - Switching device for electrically operated wire reels :
de
en
- FR750515A - Removable cookie cutter for cutting plastics :
en
fr
- US1921821A - Insect repeller :
en
- FR750600A - On-site gyrations of motor cars :
en
fr
- DE582272C - Process for the automatic control of the transmission rate of four-wire circuits :
de
en
- GB396498A - Broken-end stop motion mechanism for apparatus producing cross-wound cones or cops :
en
- DE582295C - Chip protection for lathes, revolver bars and similar machine tools :
de
en
- FR750521A - Process for the preparation of acetylene from gases containing hydrocarbons :
en
fr
- FR750562A - Folding and portable tripod panel, with interchangeable indications, for road works and other signs :
en
fr
- GB396749A - Improvements in jelly preparations and method or preparing jellies :
en
- US1921411A - Gas control system :
en
- US1921500A - Mooring buoy :
en
- US1921715A - Wood shaper :
en
- US1920953A - Stain resisting wrought article :
en
- DE582245C - Process for the preparation of basic particles of catechol :
de
en
- GB396549A - Process and apparatus for the manufacture of tubes from sheet metal :
en
- GB396603A - Improved method of and/or means for providing pockets in garments :
en
- GB396719A - Arrangement for the transmission of call and selector impulses over telephone lines :
en
- GB396554A - Improvements in and relating to printing machines :
en
- GB396497A - Improvements in hydraulic shock dampers :
en
- GB396584A - A method of elastically securing the body of a vehicle to its chassis :
en
- GB396661A - Improvements in and relating to wheels for railway vehicles :
en
- DE581985C - Method and device for cleaning cleaning wool or the like. :
de
en
- FR750231A - Four-stroke thermal engine with different volume for each stroke :
en
fr
- FR750426A - Mechanical beet spacer :
en
fr
- GB396709A - Improvements in or relating to terminating circuits for two-way electrical signalling systems :
en
- DE582326C - Hinge with insertable pin for rebated doors and windows :
de
en
- DE582017C - Braking device for the wire supply roll on coil winding machines :
de
en
- DE582334C - Device for depositing the individual sheets removed from a stack by means of a pick-up gripper, in particular for gathering machines :
de
en
- DK47622C - Procedure for the manufacture of artificial leather and the like. :
da
en
- FR750288A - Improvements to automatic alarm devices :
en
fr
- AT134416B - Microscope. :
de
en
- GB396518A - Improvement in shuttle stop motions for looms for weaving :
en
- AT134440B - Installation on telephone systems in order to make transmitted calls incomprehensible to unauthorized persons. :
de
en
- AT134493B - Mains connection device for the purposes of sound amplification and communication and hot-cathode rectifier bulbs for use in such devices. :
de
en
- AT134483B - Cotton filter for cigarettes. :
de
en
- DE582096C - Machine gun replica for practice purposes with aiming device for machine guns :
de
en
- DE582133C - On and off switch :
de
en
- DE582192C - Cross socket wrench :
de
en
- DE582029C - Colorimetric method and comparator for determining the hydrogen ion concentration in physiological fluids, especially in wort and beer, using a buffer :
de
en
- CA334639A - Decorative table device :
en
fr
- US1921811A - Cork remover :
en
- GB396470A - Heating water or other heat absorbing and conducting medium for use in process plants :
en
- US1920966A - Fishing pole :
en
- US1921126A - Combined automatic and manual circuit controller :
en
- DE582140C - Lathe for non-circular turning :
de
en
- US1921157A - Purifying ethylene dibromide :
en
- FR750567A - Lantern for forced natural aspiration of fumes and various uses :
en
fr
- IE13012L - Submarine telegraphy. :
en
- GB396463A - Improvements in four-stroke-cycle internal combustion engines :
en
- FR750445A - Rational steel joist profile for reinforced cement floors, lintels, beams or others :
en
fr
- GB396611A - Device for checking rearward movements of the arms in boxing tuition :
en
- US1921008A - Pump for hydraulic systems :
en
- GB396755A - Improvements relating to circular looms :
en
- GB396630A - Retarding devices for controlling the operating mechanism of photographic shutters and like gear trains :
en
- DE582270C - Process for the accelerated production of nitrided hardening layers on objects made of iron and its alloys :
de
en
- DE582240C - Coke oven filling car :
de
en
- DE582213C - Safety device for electric light tubes operated on transformers :
de
en
- GB396455A - Improvements relating to light valves :
en
- US1920963A - Process of improving aluminum and alloys thereof :
en
- US1921953A - Apparatus for making sheets or films :
en
- FR750374A - Two-way switch for automotive headlights :
en
fr
- GB396538A - Mechanism for the ground-training of air-pilots :
en
- GB396586A - An automatically controlled carburettor for internal combustion engines :
en
- DE582303C - Hollow steering column for cars :
de
en
- FR750473A - Improvements in the conservation of oxidizable organic materials such as rubber :
en
fr
- DE582188C - Compensating suspension, especially for motor vehicles :
de
en
- DE575849C - Process for the production of pipes reinforced with wire :
de
en
- CA334615A - Bottle cap :
en
fr
- FR750266A - Platen press, in which the sheets are fed and deposited automatically :
en
fr
- FR750465A - Remote measurement receiving installation, operating according to the pulse method :
en
fr
- CA334743A - Toxin of gonococci nutrient medium :
en
fr
- DE582324C - Roller bearings :
de
en
- DE582182C - Control for multi-cylinder in-line engines :
de
en
- GB396515A - Improvements in machines for shearing animals :
en
- GB396544A - Improvements in or relating to governing or regulating devices for power plant :
en
- AT134488B - Device for securing milk bottles theft. :
de
en
- DE582197C - Coffee brewer :
de
en
- AT134470B - Hair curling device. :
de
en
- US1921345A - Gauge for cold headers and the like :
en
- US1921703A - Variable reactance device :
en
- US1921802A - Method of waving hair :
en
- CA334711A - Railway traffic controlling system :
en
fr
- US1921436A - Poise attachment :
en
- US1921835A - Optical printer :
en
- US1921585A - Food dressing and the like :
en
- US1921606A - Multicore high tension cable :
en
- US1921998A - Method of improving aluminum and alloys thereof :
en
- CA334680A - Lightning arrester :
en
fr
- DE582073C - Process for the preparation of chromium compounds of o-oxyazo dyes :
de
en
- DE582222C - Device for issuing tokens with the assistance of chance :
de
en
- AT134466B - Electrically heated hob. :
de
en
- AU976832A - Improvements in and connected with liquid dispensing apparatus :
en
- DE582079C - Spring insert for mattresses and upholstery :
de
en
- AT134455B - Device for filling an absorbent mass, e.g. B. cotton wool or the like. Containing fuel container of lighters. :
de
en
- DE582093C - Change gears, especially for bicycles, with a chain drive wheel that can be changed in diameter :
de
en
- DE582100C - Process and device for cooling, ventilating and clarifying beer wort :
de
en
- DE582186C - Process for the production of joint strips for roof and wall coverings from sheet-like fiber material :
de
en
- DE582219C - Method for adjusting the volume of photographic sound recordings :
de
en
- US1921675A - Machine for cleaning window shades :
en
- US1921877A - Floating roof for tanks :
en
- DE582007C - Arrangement for the emission of several independent and different beam cones of electrical waves :
de
en
- DE582038C - Switching device for the drive of grates for shaft ovens :
de
en
- DE582103C - Relays with several windings, which are in different branches of the same excitation circuit, and delay means, which allow the currents in the individual windings to reach their maximum value at different times :
de
en
- FR750592A - Process for the simultaneous manufacture of hydrogen peroxide and soluble barium salts, from barium peroxide :
en
fr
- GB396528A - Improvements in amusement or exercising devices :
en
- US1921834A - Photo-electric tube :
en
- US1921818A - Coaster wagon :
en
- DE582086C - Milk heater :
de
en
- US1921724A - Shipping carton :
en
- US1921133A - Toy pistol :
en
- US1921621A - Apparatus for classifying spherical articles :
en
- US1921636A - Aeroplane :
en
- US1921720A - Revolving cylinder pump :
en
- US1921024A - Alarm system :
en
- US1921339A - Axle bearing :
en
- US1921951A - Shock absorber :
en
- US1921413A - Lens holder construction and position indicator :
en
- DE582142C - Image projector with optical compensation in connection with light sounder for reproducing image sound films :
de
en
- US1921244A - Bottle filling machine :
en
- US1921820A - Reducing zinciferous material :
en
- AT134426B - De-shine and renewing device for clothing fabrics u. like :
de
en
- US1921123A - After treatment of filaments :
en
- US1921179A - Cluster crimper for coin wrappers :
en
- US1921589A - Method of making rolled steel valve bodies :
en
- US1921915A - Vacuum valve :
en
- USD90449S - Design for a beverage faucet :
en
- FR750298A - Improvement in the manufacturing processes of self-lubricating rings with plumbagine or natural graphite coatings :
en
fr
- FR750414A - Multi-polarity, squirrel-cage asynchronous AC motor provides starting, acceleration and braking without interrupting torque :
en
fr
- US1921182A - Crank gear for plunger pumps :
en
- US1921518A - Insulating block :
en
- US1921528A - Arc welding rod :
en
- US1921530A - Flexible nonbreakable pipe stem joint :
en
- DE569077C - Electrode for high frequency treatment of body cavities :
de
en
- US1922020A - Elastic webbing and method of making same :
en
- DE582154C - Steel frame with infill for frame structures :
de
en
- FR750279A - Radiological device intended more particularly for the execution of radiographic images with short exposure times :
en
fr
- DE582225C - Height adjustment device for the wheels of motor vehicles with alternating drive of the vehicle wheels and crawlers :
de
en
- DE582263C - Process for dyeing acetate silk :
de
en
- US1921148A - Yeing and printing of textile fibers by means of dyes formed by oxidation :
en
- US1921358A - Method for storage of petroleum in natural underground reservoirs :
en
- US1921567A - Differential pressure device :
en
- US1921422A - Weather strip for car doors :
en
- US1921320A - Grease rack :
en
- US1921622A - Hinge for automobile seats :
en
- DE582196C - Single acting air pump for massage :
de
en
- FR750422A - Protective sheath for radium therapy :
en
fr
- FR750575A - Pipe assembly device :
en
fr
- FR750282A - Automatic brake for horse-drawn car :
en
fr
- DE582224C - The loading width of the trolley can be changed :
de
en
- US1921511A - Printing machine :
en
- FR750495A - Cellulose hydrolysis process :
en
fr
- GB396687A - Improvements in carburetters :
en
- US1921132A - Powdered fuel engine and method of operating the same :
en
- US1921361A - Water insoluble azodyestuff and fiber dyed therewith :
en
- FR750320A - Correction and acoustic insulation of floors in industrial premises, residential premises, etc., whatever their composition :
en
fr
- GB396637A - Automatic cooling and pressure plant for cold storage rooms and beer conduits :
en
- US1921453A - Printing mechanism for accounting machines :
en
- US1921739A - Apparatus for extinguishing burning oil wells :
en
- FR750325A - Improvements to ship portholes :
en
fr
- GB396677A - Improvements in or relating to coin delivery apparatus :
en
- FR750331A - Maneuvering device for various loads with mechanical locking and pneumatic control :
en
fr
- GB396695A - Improvements in hook engaging and releasing apparatus for vehicles and other purposes :
en