• US1521315A - Abdominal support : en
  • CA245709A - Internal combustion engine : en fr
  • US1521036A - Percussive tool : en
  • CH108272A - Cloth laying machine. : de en
  • US1520705A - Pipe-supporting device : en
  • US1521551A - Joseph falcone : en
  • PL955B1 - Guide attachment on machines for sewing grooved mesh cords or weaves. : en pl
  • US1520788A - Water heater : en
  • US1521088A - Housing for oil or other wells : en
  • CA245783A - Piston and valve lubricating means : en fr
  • DE407861C - Riveting machine : de en
  • CH108133A - Gear and method and cutter for cutting it. : en fr
  • US1520783A - Hydraulic turbine : en
  • US1521507A - Float chamber of carburetors : en
  • US1520866A - Clock : en
  • PL969B1 - The manner of making inscriptions and ornaments on artificial stone. : en pl
  • DE407750C - Hand accessory device for crankshaft grinding machines : de en
  • FR582882A - Adjustable device applicable in particular to the indication of digits : en fr
  • CH108266A - Drive device for braiding and lace machines. : de en
  • US1520978A - Ophthalmic mounting : en
  • US1521499A - Combined buffet and table : en
  • DE407683C - Oil switch : de en
  • FR582946A - Improvements to screw-down bicycle hubs : en fr
  • US1520941A - Brake mechanism : en
  • CA245690A - Cuff button : en fr
  • CH108090A - Colored solution for touching up damaged areas in wax paper. : de en
  • CH108329A - Method and device for separating liquid material from solid material. : de en
  • GB226869A - Improved earthing device for wireless sets : en
  • AU1998724A - Improvements in lubricant dispensing devices : en
  • CA245728A - Variable condenser : en fr
  • US1521014A - Regulating device for percentage feeders : en
  • US1521261A - Flycatcher : en
  • US1521105A - Portable electric lamp : en
  • US1521424A - Boll-weevil exterminator : en
  • US1520908A - Brush for cleaning nasal passages : en
  • US1521129A - Process and apparatus for utilization of the combustion gases from rotary cement-burning kilns : en
  • US1521301A - Dynamo-electric machine : en
  • DE407658C - Ruettelforming machine with turning arms and setting table : de en
  • PL1086B1 - Multi-crucible preheating crucible furnace for melting metals and alloys. : en pl
  • US1520944A - Signal lamp : en
  • US1520845A - Combined bottle stopper and pouring spout : en
  • US1521262A - Intake-air cleaner for internal-combustion-motor engines : en
  • PL1016B1 - Device for supplying sand to glass grinders. : en pl
  • FR582984A - Lattice base adjustable in height and width : en fr
  • CA245715A - Bituminous composition : en fr
  • CA245747A - String attaching machine to tags, envelopes, flaps, etc. : en fr
  • US1520933A - Hair curler : en
  • US1521535A - Gear-shift mechanism : en
  • US1521575A - Filter for purifying air : en
  • DE407701C - Device for checking and automatic display of the degree of heat and humidity of running paper webs : de en
  • FR582942A - Thermostatic regulator : en fr
  • US1520743A - Game apparatus : en
  • US1520939A - Pump sealing and testing device : en
  • US1520901A - Electric locomotive : en
  • US1520843A - Radiator curtain or cover : en
  • PL1072B1 - A method and device for cooking liquid or pasty masses, in particular marmalade, or for steaming, roasting and cooking fruit and other materials. : en pl
  • US1521260A - Suitcase, etc. : en
  • FR582900A - Ice frame immobilizer : en fr
  • GB218636A - Improvements in machines for making paper bags : en
  • DE407548C - Device on resilient holders of headphones to regulate the contact pressure of the headphones : de en
  • GB226640A - Improvements in releasing gear for ships boats : en
  • GB226682A - Improvements in drag or tension rollers for yarn or thread doubling and like windingmachines : en
  • US1521180A - Vehicle for children : en
  • US1521330A - Drilling machine : en
  • US1521168A - Window guide : en
  • US1521484A - Ophthalmic mounting : en
  • CH107494A - Circuit arrangement for private branch exchanges with dialer operation. : de en
  • US1521460A - Cigarette container : en
  • GB214622A - Improvements in or relating to gas meters : en
  • US1521141A - Snap-fastener-setting machine : en
  • PL1041B1 - Layout of complex shafts of rotating heat engines and machines driven by them. : en pl
  • CH108287A - Rubber printing machine with three cylinders arranged at an obtuse angle. : de en
  • CH108298A - Self-loading rifle with safety device. : de en
  • US1520774A - Railroad switch lamp : en
  • US1520907A - Metal chest : en
  • US1521155A - Shade pull : en
  • GB219684A - Improvements in or relating to weighing apparatus : en
  • US1520801A - Manufacture of vegetable charcoal : en
  • US1521050A - Silencer for typewriting machines : en
  • DE407779C - Disconnector : de en
  • US1521325A - Sifting device : en
  • US1521379A - Shingle-strapping support : en
  • ES91234A1 - Direct drive band saw. : en es
  • FR582813A - Oscillating propeller : en fr
  • GB226728A - Improvements relating to safety valves : en
  • DE407987C - Process for the preservation of graphite or carbon electrodes : de en
  • US1521108A - Knockdown barrel : en
  • GB226852A - Improvements in or relating to heavy portable machinery such as excavators and digging machinery : en
  • FR582823A - Method and apparatus for the production of water gas : en fr
  • GB226878A - Improvements in and connected with apparatus for machining spiral tooth gear wheels : en
  • GB226842A - Improvements in and connected with submarines : en
  • CH108348A - Control device with hydraulic servo motor. : de en
  • CH108370A - Method and device for fastening a plate-shaped electrode to at least one carrier. : de en
  • PL1007B1 - The method of preparation of tar and mineral oils and other hydrocarbons. : en pl
  • CH108379A - Protective mask against infectious diseases. : de en
  • PL984B1 - The method of making items from pulp or : en pl
  • USD66323S - Design for a combined toothpick, match, and change tray : en
  • FR582855A - Method and device for operating water tube boilers : en fr
  • FR582863A - Improvements to trunks and similar items : en fr
  • FR582967A - Gantry crane for overhead power line support : en fr
  • GB216484A - Improvements in or relating to alloy articles : en
  • US1521131A - Bag lock : en
  • US1521546A - Collapsible tube : en
  • PL978B1 - Needle drive device for sewing machines. : en pl
  • US1521004A - Regulator system : en
  • CH108324A - Gate valve. : de en
  • US1520988A - Side bearing : en
  • GB226868A - Improvements in or relating to electric switches : en
  • FR582819A - Cinematographic projection device with film moving in a continuous movement : en fr
  • DE407636C - Hammer press with molding box for soap or the like. : de en
  • GB211159A - Improvements in radio receiving antennae : en
  • GB226571A - Improvements in course indicators or recorders for moving vehicles : en
  • DE407781C - Spring drive for electrical switch : de en
  • FR582836A - Machine for flat forming paper cups or containers : en fr
  • DE407559C - Electric room stove with cooking device : de en
  • DE407457C - Buckle for belts, straps, collar straps or similar items : de en
  • US1521267A - Oil pump : en
  • US1521492A - Plumbing installation : en
  • US1520689A - Safety car-control device : en
  • DK33992C - Internal combustion engine. : da en
  • DE407693C - Free-floating, easily movable hanging screening device : de en
  • DE407631C - Current monitoring device : de en
  • DE407797C - Miter joint drawer : de en
  • FR582952A - Pneumatic casing wheel with or without inner tube : en fr
  • US1520960A - Internal-combustion engine : en
  • US1521522A - Caisson and method of making the same : en
  • PL1013B1 - Switching circuit for electrical lighting devices in which the alternators, alternating with an accumulator battery, are operated only temporarily. : en pl
  • DE407677C - Switch for switching electrical circuits step by step : de en
  • US1520733A - Clutch mechanism : en
  • US1521362A - Radiator shutter : en
  • DE407698C - Ignition device with low magnetic scatter : de en
  • FR582918A - System for fixing reciprocating piston machines on their support : en fr
  • FR582956A - Printing process on all fabrics and device to achieve it : en fr
  • FR582937A - Colossal blocks for the construction of dikes, moles, etc. : en fr
  • FR582919A - String turnstile : en fr
  • US1521224A - Automatic toy : en
  • US1521377A - Wire clamp : en
  • GB226684A - Improvements in dental articulators : en
  • US1520720A - Plate burning or drying apparatus : en
  • USD66326S - Design for a plate or similar article : en
  • US1521411A - Equalizing device for compression resistors : en
  • CH108373A - Device for the detection of electrically conductive bodies. : de en
  • PL1052B1 - A device for spraying and drying, i.e. evaporating milk or other liquids. : en pl
  • PL933B1 - Method of obtaining rock wax from brown coal. : en pl
  • US1521337A - Rail joint : en
  • GB226620A - Improvements in or relating to compressible strip packing for engines and the like : en
  • FR582949A - Improvements to sound reproducing machines : en fr
  • GB226690A - An improved curtain suspender : en
  • GB226667A - Dustpan : en
  • US1521318A - Variable-speed-driving mechanism for condensers : en
  • US1521406A - Projectile : en
  • CA245777A - Gaseous-discharge lamp : en fr
  • US1521557A - Winding machine : en
  • PL1036B1 - Cigarette holder with a cigarette butts remover. : en pl
  • PL1110B1 - Improved distillation method and distiller. : en pl
  • PL1037B1 - Cigar protector. : en pl
  • US1520975A - Padlock : en
  • US1521060A - Push-rake attachment for tractors : en
  • GB226652A - Improvements in multiplex signalling systems : en
  • US1520872A - Arrangement in churns for churning and working butter : en
  • US1521303A - Work supporting and rotating chuck : en
  • GB226712A - Improvements relating to the coupling of tractors and trailers : en
  • FR582975A - Bottle labeling machines upgrades : en fr
  • FR582862A - Detachable bead for woman's hat : en fr
  • GB216131A - A case for safety razor blades : en
  • DE407775C - Receiving device for electrical vibrations to eliminate or reduce atmospheric disturbances : de en
  • US1521119A - Piston-aligning tool : en
  • US1521566A - Chart for memorizing wireless codes : en
  • PL1078B1 - Swinging compactor with air inlet slots for the rear end of the movable grates. : en pl
  • PL961B1 - Method and device for fskr stations. : en pl
  • AU2118324A - Improvements in rotary internal combustion engines andin other rotary engines : en
  • US1521198A - Top for vehicles and the like : en
  • US1521532A - Novelty bank : en
  • US1521548A - Bumper : en
  • US1520778A - Drilling apparatus : en
  • DE407758C - Firing with surface combustion : de en
  • CA245735A - Pipe bender : en fr
  • US1521010A - Coating machine : en
  • US1521186A - Motor-starting mechanism : en
  • US1521279A - Sleeping doll's head : en
  • CH108245A - Installation for theft protection. : en fr
  • CA245786A - Expansible mandrel : en fr
  • CA245789A - Air bag : en fr
  • DE407681C - Feedthrough oil switch : de en
  • US1520739A - Fastener : en
  • US1520927A - Car coupling : en
  • US1521081A - Valve for inflatable articles : en
  • PL990B1 - The method of producing multi-colored patterns on paper. : en pl
  • US1521387A - Snap hook : en
  • DE407607C - Winding machine for bobbins with conical ends : de en
  • US1521032A - Electrical measuring instrument : en
  • US1520986A - Concrete mold : en
  • US1521368A - Package : en
  • US1521578A - Filter for purifying the air : en
  • GB226314A - Improvements in or connected with machinery or apparatus for drying, conditioning, or treating granular or reduced material or the like : en
  • CA245781A - Shipping crate : en fr
  • CH108397A - Arrangement on bicycles to relieve the arms and backbone when pushing the bike uphill and downhill. : de en
  • PL1045B1 - The method of refining flour or other plum. : en pl
  • US1520918A - Cop of roving : en
  • US1520886A - Washing and wringing machine : en
  • CH108314A - Fournierbock. : de en
  • ES91391A1 - Improvements in automatic switches. : en es
  • GB226610A - Improvements in or relating to crystal detectors for wireless receiving apparatus : en
  • GB226854A - Improvements in or relating to the manufacture of electric incandescent lamps : en
  • PL1089B1 - : en pl
  • PL986B1 - Cardboard for attaching safety pins. : en pl
  • CA245734A - Grand piano action : en fr
  • CH108367A - Circuit breaker. : en fr
  • US1521120A - Mail box : en
  • US1521509A - Composition for use in the reproduction of line documents : en
  • DE407982C - Process for the production of a cement : de en
  • GB226669A - Improvements in motor vehicle brakes : en
  • US1521322A - Method of making thread-rolling dies : en
  • US1521125A - Radiator filler cap and the like : en
  • US1521280A - Rotary converter : en
  • US1521348A - Means eor opposing the discharge of acid-laden air : en
  • GB226653A - Improvements in and connected with car coupling devices : en
  • GB226713A - Improvements in brake slack adjusters for railway and like vehicles : en
  • ES89032A1 - Improvements in the edible packaging or covers for sausages. : en es
  • CH108257A - Bobbin drive device for roving machines. : de en
  • GR791B - OPERATING COOLING OVER END OF TRANSMISSION TAPE AFTER HEATING ACTIVATED BY THE POWER SUPPLY PART. : el en
  • DE407591C - Diaphragm stand for X-ray exposures : de en
  • US1521101A - Time-controlled switch-operating device : en
  • USD66316S - Stephen d : en
  • US1520899A - Clothes wringer : en
  • US1521427A - Cuff button : en
  • GB226613A - Improvements in electrolysis and more particularly in its application in operating internal combustion engines, internal combustion turbines and the like : en
  • GB226881A - Improvements in smoke producers particularly for use on aircraft : en
  • US1521170A - Air brake : en
  • US1521256A - Stocking having a thickened wale structure and method of knitting the same : en
  • GB226708A - Improvements in dust covers for crystal detectors, used in wireless receivers : en
  • US1521482A - Tool joint : en
  • US1520911A - Preheating recuperative furnace : en
  • US1521182A - Weft-replenishing mechanism : en
  • DE407715C - Flushing device connected to the toilet door by a traction device guided over rollers : de en
  • DE407785C - Radiator for air-cooled, electrical machines with cooling ribs that partially protrude into the housing and partially protrude from it : de en
  • PL976B1 - Press foot for sewing machines. : en pl
  • PL988B1 - A method of preliminary preparation of raw material containing fiber. : en pl
  • US1520742A - Ventilator : en
  • US1521449A - Ice-scoring machine : en
  • US1521065A - Apparatus for manufacturing metal sheets and strips : en
  • US1521364A - Air pump : en
  • DE407588C - Drive for the thread take-up of shoe sewing machines : de en
  • DE408013C - Process for the production of pure, isolated grape sugar from cellulosic material : de en
  • PL1038B1 - Protective device to prevent cigarettes from falling out of the cigarette cases. : en pl
  • US1520785A - Jack : en
  • US1521287A - Acoustic apparatus : en
  • DE407466C - Device for opening and closing sliding windows : de en
  • PL1014B1 - A device for automatic adjustment of the grinding discs. : en pl
  • US1521493A - Gas burner : en
  • PL1044B1 - The method of making marmalades, jellies, etc. : en pl
  • DK33997C - Automatic Rifle. : da en
  • US1521297A - Toy : en
  • US1521429A - Baling press : en
  • FR582938A - Burner nozzle for dust fireplace : en fr
  • DE407687C - Luminous button for electrical toggles : de en
  • FR582856A - Method of making separate distributor fins for steam or gas turbines : en fr
  • CH108282A - Apparatus for spraying and spraying metals. : en fr
  • GB226737A - Improvements relating to grinding rolls for reducing cereals : en
  • GB209023A - Improvements in and relating to devices for the electric distant control of optical signals, more particularly for railway station indicators : en
  • FR582907A - Advanced nut wrench : en fr
  • DE407743C - Machine for the production of the recessed bottom closure of empty cardboard boxes etc. like : de en
  • FR582925A - electric heating element : en fr
  • DE407630C - Electric collector with electrodes arranged horizontally next to each other in grooves of a flat vessel : de en
  • GB226584A - Improvements in sheet gripping mechanism of printing machines : en
  • GB226615A - Improvements in or relating to detachable wheel hubs : en
  • CH108208A - Process for the preparation of a wool dye of the Safranin series. : de en
  • CH108355A - Induced winding for cascade motors. : de en
  • US1520892A - Washing valve for water-closets and the like : en
  • FR582867A - Improvements to artificial silk winding machines : en fr
  • GB226681A - Improvements in or relating to waterproof boots and shoes and the method of making same : en
  • US1521190A - Drum lens carrier : en
  • US1521372A - Winding machine : en
  • US1521384A - Method of making oilproof concrete bodies : en
  • US1521042A - Clutch : en
  • US1520710A - Combustion device : en
  • US1521230A - Cargo hook : en
  • US1521281A - Phonograph : en
  • US1521459A - Straightedge for laying shingles : en
  • US1521320A - Antiskid device : en
  • PL915B1 - Curtains and stained glass windows : en pl
  • PL994B1 - A method of direct production of deoxidized copper alloys. : en pl
  • PL1092B1 - A method of printing with insoluble dyes. : en pl
  • PL925B1 - —Kk-344tlr- Bathtub. : en pl
  • FR582841A - Typist table with desk box for typewriters of all brands : en fr
  • GB226622A - Improvements in metal turning lathes or like machine tools : en
  • GB226651A - Improvements in and relating to grabs : en
  • GB226648A - Improvement in automatic weighing scales : en
  • FR582961A - Aeration process for grain silo chambers : en fr
  • US1520802A - Grave-covering device : en
  • US1521231A - Poker mechanism for gas producers : en
  • DE407602C - Permutation lock : de en
  • DE407753C - Machine for threading sponges with a needle : de en
  • DK34003C - Handball. : da en
  • CA245818A - Photographic apparatus : en fr
  • CH108289A - Holding cylinder high-speed press with front bow exit. : de en
  • PL953B1 - Feed device; i8 for sewing machines. : en pl
  • DE407777C - Arrangement of connection terminals for multi-stranded cable cores led out of the termination : de en
  • DE400049C - Process and device for the production of wood pulp for paper u. like manufacturing : de en
  • DE407612C - Measuring and filling device for bulk goods : de en
  • GB222454A - Improvements relating to x-ray devices : en
  • CH108403A - Device on electric railways to prevent closed signals from being passed over. : de en
  • GB226664A - An improved construction of toy trumpet : en
  • GB226707A - Improvements in or relating to apparatus for mixing fluids or bringing different fluids into contact with each other : en
  • DE407494C - Safety device for electric motors : de en
  • US1521288A - Sewing machine : en
  • US1521118A - Parachute container : en
  • US1521223A - Process and apparatus for drying : en
  • GB226705A - Improvements in or relating to dry gas meters : en
  • US1521419A - Draft rigging : en
  • US1520693A - Traffic signal : en
  • GB226607A - Improvements in and relating to the construction of the frames of railway wagons : en
  • PL913B1 - UL yi 4.4 * 1 * Improvements in mixing, kneading and chafing machines. : en pl
  • US1520965A - Steel aligner : en
  • USD66332S - Design fo r a phonograph cabinet : en
  • FR582903A - Advanced mounting device for metal drums for washing machines and other applications : en fr
  • US1521525A - Cake turner : en
  • US1520831A - Method of recovering aluminum chloride : en
  • DE407476C - Circuit arrangement for call operation in local telephone networks : de en
  • US1520862A - Spherical joint : en
  • GB206112A - Improvements in oil burner constructions : en
  • FR582908A - Warning bells device for cycles, activated by the front or rear wheel : en fr
  • FR582993A - Method and device for treading fibrous materials which have previously been given the shape appropriate to the final product intended : en fr
  • US1520741A - Power-driven colter : en
  • US1521134A - Adjustable support and lifter for covers : en
  • US1520698A - Motor-vehicle brake : en
  • CH108296A - Ski. : en fr
  • GB226746A - Improvements in or relating to propelling pencils : en
  • GB226639A - Improvements in or relating to stoppers for bottles and like articles : en
  • US1521585A - Variometer : en
  • DK34007C - Device for Disconnecting the Printing Machine by Calculators with Adjustable Disc Number Dials. : da en
  • GB226674A - Automatic releasing hook : en
  • US1521149A - Cap and the like : en
  • US1521184A - Water bag : en
  • GB213539A - Improvements in or relating to internal combustion engines : en
  • FR582822A - Potato masher with one piece handle : en fr
  • DE407516C - Device and method for joining two layers of different metals : de en
  • DE407928C - Process for the production of photo glossy paper : de en
  • FR582957A - Process for obtaining thick dyestuffs for printing on fabrics : en fr
  • ES91396A1 - An improvement in the cleansers of wheat or other cereals. : en es
  • DE407606C - Gas pressure charger : de en
  • DE407623C - Double-walled glass vessel with pouring ring : de en
  • DE407773C - Soot blow-off device for water tube boiler : de en
  • DE407895C - Process for the production of elastic medicament tablets : de en
  • DE407600C - Endless conveyor device for slicing machines : de en
  • US1521066A - Riveting machine : en
  • GB226672A - Improvements in or relating to springs for vehicles : en
  • PL1111B1 - The method of fractionating crude oil by spraying. : en pl
  • CH108248A - Cleaning device. : en fr
  • USD66327S - Fredebic jyl hoblitt : en
  • US1520773A - Brake for automobile vehicles : en
  • US1521239A - Vehicle lamp : en
  • CA245668A - Range finder : en fr
  • CA245763A - Can body making machine : en fr
  • CH108442A - Water seal for bathtubs. : de en
  • GB226718A - Improvements in and relating to devices for washing or polishing floors or the like : en
  • CH108268A - Fabric printing machine. : en fr
  • CH106635A - Ice cell frame. : de en
  • GB206474A - An improved mode of connecting segments of oscillating trough conveyors : en
  • US1521428A - Means for adjusting shafts : en
  • US1521205A - Synchronizing rotating bodies : en
  • US1521293A - Fuel tank : en
  • DE407751C - Slam prevention for doors : de en
  • FR582869A - Improvements to electric motors for electric vehicles : en fr
  • US1520777A - Emergency rim : en
  • US1520793A - Current-regulating device : en
  • US1521080A - Multiple milling machine : en
  • FR582806A - Foolproof control device for ignition distributors for ford engines : en fr
  • US1521124A - Dishwasher : en
  • USD66315S - Stephen d : en
  • USD66329S - Design for a bottle : en
  • FR582955A - Improvements to cables or electrical conductors : en fr
  • GB222108A - Machine for wrapping printed matter : en
  • US1520869A - Shutter for automobile headlights and the like : en
  • US1521573A - Wheeled toy : en
  • DE407492C - Telephone cables : de en
  • CH108350A - Method and device for securing the circulation of a heat transfer medium used for indirect steam generation in boilers for generating high-pressure steam. : de en
  • FR582851A - Automatic safety funnel : en fr
  • CA245750A - Anti-skid chain : en fr
  • US1520699A - Means for transporting pipe sections of large diameters : en
  • US1521466A - Picture-hook card package : en
  • CA245680A - Means for and method of controlling electric currents by sounds : en fr
  • US1521058A - Pressing iron : en
  • US1521396A - By mary v : en
  • CH108254A - Method and device for conveying liquids, in particular also flammable liquids, from a lower-lying collecting container by means of a vacuum generator. : de en
  • US1521356A - Mandrel press : en
  • DE407801C - Precision high-speed table scales : de en
  • GB226853A - Improvements in and relating to screw propellers and tractors : en
  • PL992B1 - The shoe press does not require gluing. : en pl
  • US1521017A - Electrical distributing system : en
  • US1521332A - Shunting or trip device : en
  • CH108205A - Process for the preparation of a wool dye of the Safranin series. : de en
  • PL941B1 - Procedure for obtaining oil from sands and bituminous rocks : en pl
  • US1521451A - Antiskidding device : en
  • PL1107B1 - Copper. : en pl
  • DE407872C - Device for receiving electrical waves : de en
  • GB226699A - Improvements in method for production of cyanogen compounds : en
  • DE407927C - Process for the production of aluminum, silicon or alloys of these substances : de en
  • CH108359A - Method of manufacturing electric cables with concentric conductors. : en fr
  • CA245675A - Wall : en fr
  • DE407700C - Lead screw lathe, connected to planing machine : de en
  • CH108173A - Device for elastic support of the wheel tire, in particular for motor vehicles with high loads. : de en
  • US1521453A - Decarbonizer sprayer : en
  • US1520749A - Antifriction bearing : en
  • US1521181A - Rail plate : en
  • US1521488A - Two-way switch : en
  • CH108258A - Device for feeding cocoon threads for silk reels. : de en
  • US1520894A - Searchlight for automobiles : en
  • PL965B1 - Method of obtaining hydrocarbon oils. : en pl
  • US1521381A - Condenser-tube extractor : en
  • US1521533A - Knife for trimming linoleum : en
  • CA245815A - Draw press for sheet metal : en fr
  • DE407524C - Attachment of heels made of rubber or a similar elastic material : de en
  • PL1006B1 - A way to convert heavy liquid hydrocarbons to lighter ones. : en pl
  • US1521506A - Attachment for presses : en
  • CH108174A - Pneumatic tire with device to protect its inner tube against cuts and punctures. : en fr
  • CA245767A - Method of making tires : en fr
  • DE407332C - Frame coil for receiving purposes in wireless telegraphy and telephony : de en
  • US1521383A - Mounting fixture or device : en
  • US1520982A - Binding post for calendars : en
  • US1520803A - Sand pump : en
  • US1521468A - Harness bit : en
  • DE407694C - Press molding machine : de en
  • GB226670A - Improvements in vacuum brakes for vehicles : en
  • US1520925A - Tire material : en
  • US1520715A - Automobile turntable : en
  • DK34009C - Procedure for the Manufacture of Footwear. : da en
  • CA245788A - Flexible coupling : en fr
  • CH108388A - Device for loading motor vehicles with bulk goods. : de en
  • DE407472C - Cube game to assemble pictures : de en
  • GB216128A - New or improved process for the elimination of iron from water : en
  • CH107180A - Holder for ties with hanging part. : de en
  • US1521360A - Method of sewing powder puffs : en
  • CA245673A - Eye : en fr
  • DE407726C - Two-cylinder electric compressor : de en
  • US1520694A - Stop cock and valve : en
  • US1521092A - Toilet flush : en
  • US1521447A - Valve : en
  • USD66336S - Design for a smoker s stand : en
  • CA245688A - Folding ironing board : en fr
  • US1520883A - Chuck : en
  • US1521053A - Mining machine : en
  • US1521252A - Transformer : en
  • US1521313A - Mechanism for transmitting motion : en
  • CH108302A - Approach binoculars. : en fr
  • CA245654A - Fuel burner : en fr
  • US1520745A - Pressure-lubricating device : en
  • US1521148A - Storage apparatus : en
  • US1521524A - Pick-up tongs : en
  • CH108433A - Liquid for absorbing, transferring and storing heat. : de en
  • FR582829A - Folding seat : en fr
  • FR582859A - Improvements for the reduction of cylindrical bodies : en fr
  • FR582902A - Water purification process and agent used for this purification : en fr
  • ES88381A1 - A transformer for low intensity lamps with automatic operation. : en es
  • GB220005A - : en
  • CH108326A - Lubricator operated by compressed air. : de en
  • GB226629A - Improvements in and relating to devices for raising or lowering window blinds and the like : en
  • US1521115A - Process for separating gas mixtures under pressure : en
  • CH108319A - Rotary machine acting by centrifugal force. : en fr
  • FR582807A - Combined low and high voltage ignition distributor for ford engines : en fr
  • US1521481A - Holder : en
  • ES91388A3 - Mannequins for headgear. : en es
  • US1521571A - Automatic musical instrument : en
  • FR582953A - Method of manufacturing bolts, and devices for implementing this method : en fr
  • ES91016A1 - A process for the purification of the gases of coke and similar gas ovens. : en es
  • US1520826A - Metal facing for door and window openings : en
  • US1521138A - Liquefaction of gases : en
  • US1521537A - Fumigant and process of fumigation : en
  • FR582939A - Valve wells for filling deep bunkers with powdery materials : en fr
  • GB226673A - Improvements in or relating to corsets : en
  • FR582875A - Card-index card device with text visible on both sides : en fr
  • US1521375A - Take-off mechanism : en
  • US1520775A - Weighing scale : en
  • US1520998A - Combined paint-spraying apparatus and tank : en
  • US1520725A - Indicator for indoor golf games : en
  • US1521174A - Composition material : en
  • US1521175A - Abutment device for the heels of footwear : en
  • US1520790A - Sundial : en
  • US1521020A - Antifriction insert for leaf springs : en
  • US1521335A - Preheating torch : en
  • US1520697A - Game : en
  • PL999B1 - Steam work. : en pl
  • DE407682C - Multipole oil switch for high performance : de en
  • DE407689C - Device for electrical heating, frying, cooking : de en
  • DE407998C - Process for making leather-like fabrics from rubber : de en
  • US1521145A - Overload-indicating apparatus for transformers : en
  • US1521409A - Window sash : en
  • PL977B1 - Device for trimming material edges on sewing machines with one movable and one fixed knife. : en pl
  • PL949B1 - : en pl
  • PL950B1 - : en pl
  • PL1011B1 - Receiving device in wireless telegraph. : en pl
  • US1520760A - Automobile tire filler : en
  • US1520795A - Syringe : en
  • US1520909A - Automatic telephone system : en
  • PL1050B1 - A method and apparatus for removing or pasteurizing liquids. : en pl
  • PL1062B1 - Method of using sulphite waste liquors in the production of fiber in the biological way. : en pl
  • US1520905A - Wire or rod rolling machine : en
  • US1521302A - Gas burner : en
  • DE407639C - Display device : de en
  • FR582837A - Process for making ether free from air : en fr
  • GB226646A - Improvements relating to ventilation and cooling of electrical or other machines or apparatus : en
  • USD66328S - Randall h : en
  • FR582922A - Installation of boilers : en fr
  • US1520791A - Apparatus for manufacturing sheets and other articles from plastic materials : en
  • US1521266A - Ship loading and unloading system : en
  • FR582923A - Roll-up louver : en fr
  • GB226734A - Improvements in or relating to tables or the like : en
  • US1520961A - Automobile signal : en
  • GB226655A - An improved framework for use in the construction of gas holders : en
  • US1520946A - Lamp-bulb placing and removing device : en
  • US1520989A - Auxiliary base for jacks : en
  • GB226709A - Improvements in doctors for paper-making machines and the like : en
  • GB226692A - Improvements relating to the loading of electric cables : en
  • DE394222C - Form for centrifugal casting : de en
  • ES91409A1 - Apparatus for obtaining colloidal solutions that comprise the conversion of a substance suspended in water into a colloidal state. : en es
  • US1521286A - Trigger for firearms : en
  • US1520792A - Resilient rim : en
  • US1521096A - Process for finishing panels for radio sets : en
  • US1521311A - Knife : en
  • DE407699C - Steel holder : de en
  • GB226751A - Improvements in or relating to processes for incorporating manganese with iron : en
  • FR582935A - Improvements to pneumatic tires : en fr
  • US1520750A - Fusible link : en
  • PL1069B1 - The method of making artificial tea. : en pl
  • US1521079A - Distributor : en
  • CA245664A - Roller skate : en fr
  • CA245791A - Suction sweeper : en fr
  • DE407604C - Rotatable tear bar : de en
  • DE408097C - Photochemical production of printing forms using photosensitized resins : de en
  • PL1066B1 - A method and apparatus for producing juices and jelly while obtaining fruit marmalade or similar vegetable ingredients. : en pl
  • PL982B1 - Decorative seam. : en pl
  • US1520833A - Means for supplying liquid fuel to internal-combustion engines : en
  • CA245813A - Attachable smooth tread for traction wheels : en fr
  • DE407722C - Braces : de en
  • DE407819C - Automatic machine for trimming and dressing the upper edge of vessels made of clay, porcelain and similar materials in a still malleable condition : de en
  • ES91402A3 - A closing device for doors, windows and balconies. : en es
  • CH108338A - Compulsory valve control for four-stroke explosion engines. : de en
  • FR582982A - Socket wrench : en fr
  • DE407461C - Cork catcher with a correspondingly long insert with a handle : de en
  • DE407610C - Wing or control surface for aircraft : de en
  • DE407794C - Tableware washing machine : de en
  • FR582878A - Aviation rotary engine : en fr
  • US1521308A - Brake-lever spring : en
  • GB226727A - Improvements in and relating to staircase housers, trenching tools, or the like for traversing operations in wood or other soft materials : en
  • FR582901A - Process to make graphite and carbon electrodes more durable : en fr
  • FR582983A - : fr
  • PL1008B1 - Process for the production of saturated low boiling hydrocarbons from heavy hydrocarbon oils. : en pl
  • GB226691A - Improvements in crystal holders for wireless receiving sets : en
  • DE407585C - Electric starting device for internal combustion engines : de en
  • US1521049A - Truck : en
  • US1521237A - Bag-frame hinge : en
  • CA245662A - Doffing mechanism : en fr
  • DE407721C - Underwater sound transmitter system for variable volume : de en
  • DE407760C - Can opener with an abutment fixed to the handle and a rotating knife lever : de en
  • GB226666A - Improvements in or relating to the glazing of building or decorative materials : en
  • DE407826C - AC bridge for measuring systems of complex resistances : de en
  • US1521378A - Disappearing mirror for motor vehicles : en
  • US1521038A - Mixing and agitating device : en
  • US1520798A - Automatic train-stopping device : en
  • US1520993A - Lubricating apparatus : en
  • US1521188A - Photographing oscillating sparks : en
  • CA245822A - Tobacco leaves treating apparatus : en fr
  • US1521304A - Sewing machine : en
  • CA245771A - Key case : en fr
  • CH108051A - Drive device for self-adjusting spindles with spindle sleeve. : de en
  • CH108318A - Tool handle. : de en
  • US1520921A - Die : en
  • USD66318S - Design for a grab rail or similar article : en
  • US1520816A - Attaching bracket for tire carriers : en
  • US1521312A - Apparatus for trimming and perforating sheet-metal packs : en
  • CA245738A - Ash sifter : en fr
  • US1521370A - Pin tube : en
  • CA245810A - Brake mechanism for railway cars : en fr
  • PL983B1 - The method of making objects inside empty from paper pulp. : en pl
  • US1520995A - Channeling machine : en
  • US1520789A - Apparatus for cleaning the seats of water-closets : en
  • US1521249A - A corpora : en
  • DE407880C - Electrical resistance ground : de en
  • US1521519A - Combined shade-roller bracket and curtain support : en
  • CA245665A - Oil well grapple : en fr
  • CH108372A - Arrangement for the detection of conductive bodies using electrical alternating current circuits. : de en
  • PL1031B1 - Mechanical button. : en pl
  • PL952B1 - Device for producing a stitch on sewing machines with a double chain stitch. : en pl
  • AU2033924A - Electric heating apparatus : en
  • CA245706A - Railway track : en fr
  • CH108223A - Oil feed pump, assembled with an electric motor. : de en
  • PL1082B1 - The method and device for sharpening circular knives. : en pl
  • DE407697C - Device for preheating heavy gas or heavy gas mixtures : de en
  • GB222148A - Improvements in apparatus for the supply of fuel to ceramic furnaces or the like : en
  • GB226750A - Electric liquid-break switches : en
  • AU2109124A - Improvements relating tothe deoxidation of gases : en
  • GB226754A - Improvements in devices for holding the blades of safety razors for the purpose of stropping : en
  • CA245698A - Method of and machine for making rug strips : en fr
  • CH106505A - Door and window hinge. : de en
  • CH108386A - Apparatus for acoustic signaling when liquids have reached a certain temperature. : de en
  • DE407670C - Boiler for heating by means of a gas furnace arranged in an upstream combustion chamber : de en
  • GB226765A - Improvements in die-heads for taper screwing : en
  • GB226717A - Improvements in differential mechanism : en
  • USD66339S - Design fob : en
  • US1520877A - Process of making decorated leather substitute and the product thereof : en
  • DE407856C - Pressure medium control for work machines : de en
  • FR582987A - New chemical and process for obtaining it : en fr
  • CA245793A - Production and transmission of modulated waves : en fr
  • DE407605C - Circular-shaped liner : de en
  • CH108336A - piston machine. : de en
  • CH108323A - Advanced thrust bearing. : en fr
  • CH108363A - Time switch. : en fr
  • CA245819A - Garter : en fr
  • PL1065B1 - from fruit and vegetables and any improvement of the specific taste and aroma of these extracts with the simultaneous use of fabrication waste. : en pl
  • CH108241A - Thermo-electric device for heating liquids. : en fr
  • CH108345A - Installation of electrical ignition devices for internal combustion engines. : de en
  • GB226696A - Improvements in or relating to lathe beds : en
  • US1521133A - Amusement device : en
  • US1521407A - Exhaust box : en
  • US1520740A - Center-dumping ballast car : en
  • US1521147A - Evaporating and condensing apparatus : en
  • AU2147725A - Improvements inand relating to machines for attaching soles tothe. lasted uppers of boots and shoes : en
  • CA245814A - Taximeter : en fr
  • CH108436A - Electric linear heating pipe system. : de en
  • US1521001A - Taper attachment for screw machines : en
  • US1521264A - Method and device for the production of hollow bodies such as pipes, masts, and the like from ferroconcrete : en
  • US1521511A - Fire grate : en
  • PL922B1 - A device for folding boxes, boxes and other rooms for papers, files and d. : en pl
  • US1521292A - Molding apparatus : en
  • US1521189A - Film reception of broadcasted pictures : en
  • DE407586C - Workpiece support arm for sewing machines : de en
  • US1520794A - Refractory alloy for wires and rods : en
  • FR582973A - New ladies handbag : en fr
  • CH107456A - Device to prevent oiling and sooting of spark plugs on explosion engines. : de en
  • DK33993C - Engine, in particular a two-stroke internal combustion engine with fixed cylinders and revolving masses, driven by a curve. : da en
  • US1520966A - Stretching frame for embroidery machines : en
  • US1520983A - Temporary table stand : en
  • US1521565A - Power-transmission mechanism : en
  • FR582847A - Automatic reciprocating rotary movement : en fr
  • GB226685A - Improvements relating to the insulation of electric cables : en
  • US1521354A - Flush valve : en
  • US1520844A - Drying kiln : en
  • US1521467A - Milling cutter : en
  • GB226643A - An improved spring holder for curtain rods, and the like : en
  • GB210760A - Improved manufacture of cement : en
  • CA245694A - Electric resistance welding : en fr
  • FR582950A - Device for the removable attachment of the nibs to the reservoir pen holders : en fr
  • US1520976A - Lock : en
  • US1521483A - Prepared gasket and process of making same : en
  • US1521083A - Tobacco lath : en
  • US1521167A - Bulletin board : en
  • US1521211A - Compressor : en
  • US1521347A - Car wheel : en
  • PL1049B1 - Device for preserving the sweet state of pasteurized milk. : en pl
  • US1521013A - Automatic motor stop : en
  • US1521305A - Tension device : en
  • CA245682A - Ash tray : en fr
  • CH108262A - Webschiffli threading device. : de en
  • DE407737C - Deburring machine : de en
  • GB226884A - Improvements in and relating to power transmitting shafts : en
  • DE407578C - Injection internal combustion engine with a capsule forming the injection space : de en
  • GB220274A - Improvements in automatic grooving and strip-inserting machines : en
  • US1521259A - Imitation fur and method of producing the same : en
  • US1521327A - Asphalt cutter : en
  • DE407561C - Process for joining metal shells on continuously self-burning electrodes : de en
  • DE407776C - Two-part or multi-part roof stand introduction : de en
  • CA245686A - Concealable furnishing : en fr
  • CA245746A - Impression making and folding mechanism : en fr
  • GB226860A - Loose letter and like signs and means for affixing same : en
  • US1521029A - Truck : en
  • US1521278A - Refining of petroleum oil : en
  • US1520867A - Automobile signal : en
  • PL1030B1 - A method of distilling liquid paraffin residues after the kerosene has been stripped off. : en pl
  • US1520771A - Oil-heating furnace and the like : en
  • US1520864A - Opening or separating machine : en
  • PL1058B1 - A method of making nutritious fodder from straw, wood and other materials. : en pl
  • US1521222A - Tappet : en
  • US1521389A - Liquid-fuel spraying and injecting device : en
  • CA245663A - Whirligig : en fr
  • USD66322S - Design eor a bookmark : en
  • ES91384A1 - A new keyboard by numbers for harmoniums, pianos and organs. : en es
  • GB226439A - Improvements in or relating to book markers : en
  • FR582904A - Tires for vehicle wheels and method of fixing such tires : en fr
  • FR582860A - Cylindrical headlight for all vehicles : en fr
  • FR582974A - Locks development : en fr
  • US1520808A - Hose-winding dbttm : en
  • US1521212A - Funnel : en
  • DE407569C - Bed base : de en
  • DE407731C - Vacuum carburetor : de en
  • FR582827A - Mounting of burner heads in metal frames : en fr
  • GB226606A - Improvements in or connected with valved connections or couplings for lubricators : en
  • PL912B1 - Improvement of the leakage apparatus. : en pl
  • PL970B1 - Device for purifying kerosene, etc. before distillation. : en pl
  • PL995B1 - A locomotive system with steam engine seating, regardless of the stretching of the boiler. : en pl
  • US1521244A - Centrifugal casting machine : en
  • CA245823A - Universal relay : en fr
  • GB226761A - Improvements in or relating to convertible solid and liquid fuel fired cooking stoves or ranges : en
  • DE392169C - Procedure for operating hot air engines with internal combustion : de en
  • GB226686A - Manufacture of arsenic and antimony compounds : en
  • GB226701A - Improvements in hand operated bulletin printing machines : en
  • GB226612A - Improvements in and relating to pool, billiard or like tables : en
  • GB226851A - Improvements in or relating to parachutes : en
  • DE407798C - Procedure for debarking wood in drums that are open on both sides, possibly rotating in water containers : de en
  • GB226886A - Improvements in or relating to metal plates or shapes and structures composed thereof : en
  • GB226703A - Improvements in or relating to the circular combs of noble's and the like combing machines : en
  • GB226706A - Improvements in or relating to two-stroke engines : en
  • CA245701A - High voltage switch : en fr
  • FR582889A - Oxidizing flame torch making a clean cut of metals, in the open air : en fr
  • US1521382A - Condenser-tube-plug extractor : en
  • FR582933A - Improvements to trolleys wheels : en fr
  • US1521296A - Grate structure : en
  • CH108253A - Device on coat hangers. : de en
  • DE407734C - Device for milling and grinding cutters with screw teeth for use on milling and grinding machines with a table that moves back and forth : de en
  • DK34011C - Ignition device for internal combustion engines. : da en
  • CA245659A - Closure fastener : en fr
  • CH108256A - A method and apparatus for the manufacture of artificial filaments. : en fr
  • CH108290A - Cylinder inking unit for high-speed cylinder presses and rotary presses. : de en
  • FR582880A - : fr
  • US1520799A - bickford : en
  • US1521420A - Doll house : en
  • DE407754C - Conveyor belt with optional distribution of the shipments : de en
  • FR582811A - Transparent letters by means of round, oval or diamond-shaped eyelets in copper or any other metal inlaid in the canvas for drop-offs of tents, blinds, etc. : en fr
  • GB226689A - Improvements in or relating to the production of white lead : en
  • GB226747A - Improvements in or relating to submerged mines : en
  • GB226760A - Improvements in tread bands for vehicle wheels : en
  • CA245753A - Workman's mitt : en fr
  • FR582849A - Process for coating iron or steel articles and resulting products with a layer of zinc : en fr
  • GB226741A - Dryer : en
  • GB226749A - Improvements in supporting means for vehicle tops : en
  • CA245705A - Ironing board : en fr
  • CH108342A - Spark plug. : de en
  • US1520685A - Envelope : en
  • CH108168A - United mountain support and floor brake for motor vehicles equipped with compressed air braking devices. : de en
  • DE407803C - Perpetual calendar : de en
  • FR582865A - Cartridge for pneumatic tube : en fr
  • GB226740A - Measuring-and planting tool for gardening : en
  • FR582909A - Transportable power station applicable in particular to the control of agricultural machinery or other machinery subject to frequent movement : en fr
  • DE407747C - System for towing ships : de en
  • GB226614A - Improvements in or relating to circular saws, milling cutters and the like : en
  • GB226644A - Improved means for controlling the tension and delivery of cloth when in motion, and particularly useful when applied to machines in which the pile of weft pile fabrics is cut : en
  • ES89990A2 - Kick or drum system applicable especially to concrete and mixer machines. : en es
  • CH106888A - Device for switching off or displaying faulty line sections, apparatus and the like. : de en
  • CH108237A - Skylight. : de en
  • USD66342S - Tion of : en
  • CH108261A - Loom for weaving damask fabrics and the like. : en fr
  • US1521128A - Roofing element : en
  • US1521200A - Conductor support : en
  • US1521487A - Amusement device : en
  • US1520753A - Dental clamp attachment : en
  • CA245748A - Punching mechanism web : en fr
  • PL916B1 - A device protecting food from flies. : en pl
  • US1521116A - Machine for beveling the edges of optical lenses : en
  • CH108246A - Lighter die plate. : de en
  • US1521433A - Indicating insulator : en
  • US1520721A - Automatic filling-replenishing loom : en
  • US1521277A - Apparatus for the concentration of ores : en
  • CA245718A - Branch or y-pipe : en fr
  • CA245737A - Disc wheel straightener : en fr
  • CA245730A - Cooler for cream, etc. : en fr
  • CH108267A - Holding device for tissue to be subjected to wet treatment in web form. : de en
  • DK34012C - Internal combustion engine. : da en
  • DE407660C - Method and device for removing floating and sinking material from clarification rooms during the clarification process : de en
  • US1521062A - Lawn sprinkler : en
  • US1521589A - Shock absorber : en
  • US1520943A - Lamp : en
  • PL936B1 - Artificial fabric and the method of its production. : en pl
  • PL926B1 - Shower boiler. : en pl
  • PL1076B1 - Fuse for doors, windows and other equipment. : en pl
  • US1521091A - Depth bomb : en
  • DE407994C - Process for the preparation of condensation products from aromatic hydrocarbons or their sulphonic acids : de en
  • GB226668A - Improvements in variable electrical condensers : en
  • PL935B1 - A method of producing materials from animal guts with properties similar to raw silk, namely insoluble and resistant to stretching. : en pl
  • US1521398A - Concrete garbage can : en
  • CA245757A - Hypochlorite and chlorate producing apparatus : en fr
  • CH108238A - Car house. : de en
  • PL1112B1 - The method of lowering the crude congealing point by draining heavy and medium-heavy paraffin into paraffin and asphalt. : en pl
  • US1521103A - Method of stripping cables : en
  • US1520935A - Driving mechanism for paper-making machines : en
  • US1520713A - Milling machine : en
  • US1520984A - Electric insulator : en
  • US1521063A - Double saw set : en
  • US1521536A - Crutch chair : en
  • CH108293A - Music box. : de en
  • CH106695A - Spring arrangement for power transmission from a hollow shaft to a vehicle drive wheel, especially for electric traction vehicles. : de en
  • CA245778A - Activation of filaments : en fr
  • US1521126A - Motor vehicle : en
  • US1521160A - Toll-switching system : en
  • USD66330S - Design for a wall bracket for lighting fixtures : en
  • DE407574C - Sweet feed press : de en
  • US1521111A - Bath brush : en
  • US1521528A - Tatting shuttle : en
  • US1521098A - File gauge : en
  • PL1067B1 - The method of making oat croups, etc. : en pl
  • US1521169A - Lining for ball mills : en
  • GB205066A - Improvements in apparatus for the supply of fuel to ceramic furnaces or the like : en
  • US1521102A - Connecter for electric cables : en
  • US1521416A - Drier : en
  • PL1113B1 - Method of using acid from silt in the refining of rock oil. : en pl
  • US1521480A - Machine for folding paper : en
  • US1520876A - Powder puff : en
  • US1521323A - Insect trap : en
  • US1520727A - Computing machine : en
  • US1521401A - Maintained-oil-level-regulating device : en
  • US1521583A - Recoil check : en
  • FR582959A - Luminous advertising device : en fr
  • US1521319A - Container : en
  • US1521495A - Fence-wire twister : en
  • FR582824A - Advanced machine gun : en fr
  • FR582966A - Device for short-circuiting the rotor of an electric induction motor : en fr
  • CA245803A - Stringed musical instrument : en fr
  • CA245760A - Detector for hot journal boxes : en fr
  • DE407065C - Process for fermentation of tobacco : de en
  • DE407944C - Phosphorescent masses : de en
  • DK33999C - Apparatus for storing or transporting combustible material, in particular cinematographic films and the like. : da en
  • DK33995C - Method and device for manufacturing multicolored filters on photographic film carriers. : da en
  • US1521051A - Combined finger ring and cord cutter : en
  • US1521326A - Relieving machine : en
  • US1520841A - Wire stretcher : en
  • US1520972A - Engine piston : en
  • DK34001C - Fiber Treatment Procedure. : da en
  • US1521236A - Trenching machine : en
  • FR582968A - Towel holder device allowing to twist the latter : en fr
  • DK33988C - Paving block. : da en
  • US1520818A - Brake-release attachment for automobiles : en
  • US1520846A - Jack stand : en
  • US1520952A - Chain fastener : en
  • CH108240A - Process for heating compressed air. : de en
  • DE407881C - Suspension clamp for high and low voltage lines : de en
  • ES91420A1 - Procedure for the compensation of double telephone circuits and for the reduction of secondary conversations. : en es
  • US1521331A - Clutch wrench : en
  • ES91413A1 - Improvements introduced in the manufacture of copper plates by electrolytic way. : en es
  • DE407725C - Vacuum interrupter : de en
  • DE407599C - Drive for snowmobile : de en
  • DE407695C - Steam cooker with an inner and an outer pot : de en
  • FR582977A - Universal mounting device for machine tools : en fr
  • US1521434A - Jack structure : en
  • US1521461A - Variable-pressure power pump : en
  • US1521465A - Pushpin card : en
  • GB226683A - Improvements in bobbins for winding artificial silk and similar products : en
  • PL932B3 - Method for obtaining rock wax from brown coal. : en pl
  • CH108181A - Pressurized fluid brake. : en fr
  • FR582864A - : fr
  • FR582872A - Improvements in electric resistance welding : en fr
  • FR582985A - Elastic band for motorist safety : en fr
  • FR582897A - Automatic pressure accelerated liquid dispenser device : en fr
  • FR582978A - Improvements to cylinder locks and the like : en fr
  • GB214192A - Improvements in electron discharge devices : en
  • ES91036A1 - Improvements in sound-emitting instruments or transmitters. : en es
  • FR582876A - Device for the formation of regular drops : en fr
  • US1520854A - Boll-weevil-spraying machine : en
  • GB225867A - Selective and anti-parasitic system for the reception of constant frequency electro-magnetic waves or electric currents : en
  • US1520723A - Corn harvester : en
  • GB226642A - Improvements in mills for grinding paints, enamels, inks, pastes and other viscous materials and liquids : en
  • GB226762A - Improvements in and relating to railway signal lamps : en
  • ES91076A3 - A ribbed brick with a perfected system. : en es
  • FR582815A - Improvements to insulators : en fr
  • GB226635A - A new or improved clamp for the jigs of wood-working machines : en
  • GB226726A - A new or improved fuel economiser : en
  • US1521033A - Oil-tank valve : en
  • CA245808A - Telephone receiver : en fr
  • FR582833A - Flue gas heater : en fr
  • FR582948A - Switching system for railways or tramways : en fr
  • GB226867A - Improvements in the separation of the elements of bundles or hands of tobacco leaves : en
  • US1521214A - Typewriter : en
  • US1521321A - Automobile headlight screen : en
  • US1520882A - Collet chuck : en
  • GB218981A - Method of making alloys from iron and an alloying metal : en
  • GB226755A - Improvements in metal drums and like containers : en
  • US1521329A - Rail-clamping mechanism : en
  • FR582944A - Pocket receiver station for cordless telephony : en fr
  • GB226665A - Improvements in or relating to means for locking the doors of railway carriages and other other vehicles : en
  • USD66319S - Stephen d : en
  • PL973B1 - A seam sewing machine with one or more working together with the tether thread loops. : en pl
  • USD66345S - Design eor a doll : en
  • US1520780A - Cableway carriage : en
  • US1521395A - Agricultural implement : en
  • US1521516A - Printer's lock-up square : en
  • DE405952C - Arrangement of a belt pulley used for power take-off on motor vehicles : de en
  • GB226742A - Improvements in combination baggage : en
  • DE407553C - Automatic system for generating electrical energy : de en
  • DE407855C - Device for connecting the legs of secateurs : de en
  • US1520887A - Reversing gearing for clothes wringers : en
  • ES91164A1 - A device for maneuvering the points on the railways with checking the position of the points. : en es
  • GB226688A - An improvement relating to captive caps for collapsible tubes : en
  • US1521359A - Motor drive : en
  • US1521412A - Closure disk : en
  • US1520787A - Tail-gate latch and spreader for dump bodies on motor vehicles : en
  • US1520829A - Oil can : en
  • DK34006C - Method and Apparatus for amplifying varying electric currents. : da en
  • US1521455A - Puff-paste roller : en
  • FR582911A - Process giving photographic prints the appearance of drawings, engravings or any artistic production : en fr
  • GB226586A - Improvements in or relating to variable self-induction apparatus : en
  • PL1009B1 - A method of producing fuel for driving explosive or other engines. : en pl
  • FR582896A - Improvements in the fabrication of high silicon magnetic steels : en fr
  • DE407780C - Pull switch with slide guide : de en
  • DE407853C - Automatic take-off device for knitting and circular knitting machines with rotating cylinder : de en
  • GB226638A - Improvements in means for applying electric power to the operating of steering, or analogous, gear, or in assisting, or supplementing, hand-power in such operation : en
  • US1521391A - Liquid meter : en
  • US1521016A - Quick-acting knife switch : en
  • US1521394A - Peanut heater : en
  • FR582810A - Improvements in the manufacture of plastic parts and constructions, and in devices intended for this manufacture : en fr
  • US1520712A - Metal-working machine : en
  • FR582958A - Reproducer for talking machines : en fr
  • DE407661C - Hurricane lantern : de en
  • ES91389A1 - Manufacture of crown discs. : en es
  • PL960B1 - Fixing the blades in axial steam turbines. : en pl
  • PL991B1 - Method and device for making footwear. : en pl
  • US1520971A - Underreamer : en
  • DE407589C - Feed device for sewing machines : de en
  • DE407757C - Windows for measuring devices, especially for electricity meters : de en
  • FR582960A - Improvements to protective devices for presses : en fr
  • GB226625A - Improvements in or relating to brake mechanisms for winding engines or the like : en
  • FR582817A - Improvements to cold producing devices : en fr
  • US1521422A - Pole or tower : en
  • US1520768A - Fastening device : en
  • US1521418A - Ball mill : en
  • CH108232A - Process for preserving green fodder by converting it into sweet press fodder. : de en
  • AU2102924A - Improvements in and relating to snap fasteners : en
  • US1520970A - Dispensing display rack : en
  • US1521206A - Monazo dyes containing two hydroxynaphthalene nuclei : en
  • US1521340A - Automatic lathe : en
  • PL998B1 - Installation for steam generation with superheat heat accumulators. : en pl
  • CA245790A - Cleaning apparatus : en fr
  • CH107016A - Electric gun remote control. : de en
  • DE407637C - Step switching of centrifugal water jet air pumps for the operation of mixed air water lifters : de en
  • DE407951C - Manufacture of ductile bodies from metals with a high melting point : de en
  • DE408047C - Process for the production of a mouthpiece covering cylinder : de en
  • US1520932A - Traveling bag or box : en
  • US1520861A - Belt-fastener-applying device : en
  • US1521497A - Chock block : en
  • US1520766A - Plate-glass-polishing machine : en
  • US1520874A - Recording and indicating mechanism : en
  • US1521213A - Fixed and variable grid leak : en
  • US1521333A - Gas-cock assembly : en
  • US1521221A - Tappet : en
  • US1521171A - Dumping body : en
  • PL1003B1 - Method of obtaining zinc from zinc dust. : en pl
  • US1521538A - Wheel : en
  • US1521547A - Dolly bar : en
  • DE407672C - Roller pantograph, the roller cage of which is arranged by means of an intermediate member in a vertical plane and so that it can be rotated transversely thereto on the travel rod, etc. : de en
  • GB226732A - Improvements in and relating to trolley heads for electric collectors : en
  • PL1103B1 - Drill holder for augers of any diameter. : en pl
  • US1521070A - Liquid-fuel-dispensing apparatus : en
  • GB226748A - Improvements in or relating to heat-insulating bottles : en
  • US1521309A - Oil separator : en
  • FR582842A - Machine for embossing curved sheet metal objects : en fr
  • GB226695A - Method and apparatus for measuring and indicating the quantity of liquid in a container : en
  • US1520963A - Jacket capable of conversion into a knapsack or tourist's ground sheet or litter : en
  • US1521122A - Combined optical projecting machine and slide carrier : en
  • US1520764A - Method of making seamless pipe connections : en
  • US1521059A - Chalk rail for blackboards : en
  • US1521413A - Receptacle moving and dumping apparatus : en
  • DE407809C - transmission : de en
  • ES91412A1 - A new machine for cutting cork discs and other suitable materials. : en es
  • GB226846A - Improvements in or relating to blowpipe machines for cutting metal : en
  • CH108276A - Device for tensioning shoes apart. : de en
  • DE407692C - Jet pump : de en
  • US1521403A - Wrench : en
  • US1520853A - Air-compressor piston : en
  • PL1002B1 - A method of electrolytic production of blocks for the production of drawn copper pipes. : en pl
  • PL1029B1 - A method of separating asphalt bodies from crude oil or its products. : en pl
  • US1521086A - Manure hook : en
  • GB226704A - An improvement in or relating to doffing mechanism for spinning, twisting and like machines : en
  • GB226623A - Improvements in or relating to film-exposing, developing and finishing apparatus of photographic typographical composing machines : en
  • DE407329C - Car for amusement rides : de en
  • US1520871A - Die head : en
  • CH108307A - Process for recovering the constituent metals of tinplate and tinned parts. : en fr
  • DE407597C - Split rim : de en
  • ES89873A1 - A suspension device for the saddles of bicycles and motorcycles. : en es
  • PL940B1 - Method and apparatus for the continuous separation of individual distillation products and for the continuous dewatering of kerosene or other hydrocarbon distillates or mixtures of volatile liquids. : en pl
  • DE407710C - Process for the production of old silver imitations on craft metal goods made from tinplate : de en
  • US1521207A - Antiskidding chain for auto wheels : en
  • DK34004C - Calculator with a Speedometer whose Dials have two rows of digits that can be made visible by a sliding pointer hole slider. : da en
  • GB226659A - Improvements in and connected with telephones : en
  • US1521563A - Fluid lens : en
  • CA245743A - Fastener : en fr
  • CH108343A - Spark plug. : de en
  • US1520913A - Electric soldering iron and method of making the same : en
  • US1520969A - Rigid-action scroll and jaw-slide lathe chuck : en
  • US1521543A - Liquid-dispensing device : en
  • US1520840A - Apparatus and method for molding conduits and the like : en
  • US1521094A - Newspaper-assembling machine : en
  • DE407598C - Bevel gear drive : de en
  • CA245794A - Amplifier circuit : en fr
  • US1521056A - Composition for coating : en
  • USD66337S - Design fob : en
  • PL981B1 - A sewing machine with a chain stitch. : en pl
  • US1520903A - Potato masher : en
  • PL927B1 - toilets, operating automatically. : en pl
  • US1521127A - Process for the preparation of meat powders : en
  • CA245758A - Water wheel : en fr
  • DE407577C - Internal combustion engine with combustion chamber : de en
  • DE407917C - Process for the production of a completely gellable, paste-like mass from fruit and vegetables which can be kept without restriction : de en
  • US1520759A - Shirt cuff : en
  • USD66320S - Stephen t : en
  • CH106537A - Device for winding bandages. : de en
  • US1520752A - Process for the recovery of petroleum : en
  • US1520755A - Invoice sheet : en
  • CA245720A - Light projector : en fr
  • CH108229A - Harrow. : de en
  • US1520786A - Ironing board and support therefor : en
  • US1520837A - Automobile radiator : en
  • US1520920A - Salt and method of purifying the same : en
  • US1521587A - Bookbinding : en
  • US1520726A - Process for purifying gases : en
  • GB226736A - Improvements in and relating to animal traps : en
  • US1520885A - Process of and apparatus for oxidizing carbon compounds : en
  • CA245674A - Eye : en fr
  • CA245820A - Synchronizing system for talking motion picture devices : en fr
  • CH108328A - Device for lubricating compressed air tools. : de en
  • GB226574A - Improvements in or relating to decorticating fibrous materials : en
  • CH108243A - Device for introducing coal into kilns. : de en
  • CA245739A - Headlight : en fr
  • GB226698A - Improved apparatus for cutting out washers or the like of felt, leather, rubber or other similar material : en
  • US1520891A - Soil-testing means and pbocess os : en
  • CA245731A - Internal combustion engine : en fr
  • CA245754A - Auto toboggan : en fr
  • CA245774A - Hook forming and clamping device : en fr
  • US1521242A - Tag-stringing machine : en
  • US1521154A - Stair covering : en
  • DE407735C - Device for milling the edges of sheet metal that can be placed on the workpiece : de en
  • GB226873A - Improvements in and relating to loud speakers for wireless telephony and other purposes : en
  • PL1017B1 - Method for the production of zinc oxide and a mixture of zinc and lead oxides. : en pl
  • US1521089A - Sheaf-delivering conveyer for shocking machines : en
  • US1521334A - Sanitary laundry box : en
  • US1521588A - Sliding clutch : en
  • DE407806C - Green feed press : de en
  • US1521353A - Manifold for internal-combustion engines : en
  • PL938B1 - Improvements in air capacitors. : en pl
  • US1521210A - Guiding attachment for brilliant view finders : en
  • DK33989C - Automatic Electric Switch with Free Release. : da en
  • FR582812A - Process for the preparation of novel albuminous compounds of coloring matter : en fr
  • DE407523C - Method of applying a preformed sole to footwear : de en
  • US1520868A - Electric ground clamp : en
  • DE407800C - Device for making fingerprints : de en
  • DE407843C - Starter for main current motors, especially for dental drills : de en
  • GB226677A - Improved construction of appliance for use with artificial arms : en
  • FR582892A - Method and devices for mounting rotary members and in particular rotors of electric motors : en fr
  • FR582969A - Further training in inner tube tires : en fr
  • PL937B1 - A method of making viscose threads, ribbons, films or plates. : en pl
  • PL967B1 - Distillation device. : en pl
  • US1520873A - Measuring and integrating mechanism : en
  • US1521457A - Meter bracket : en
  • DE407558C - Electric water heater : de en
  • PL943B1 - Hernia band. : en pl
  • US1521351A - Bobbin frame for looms : en
  • US1520770A - Automobile inclosure construction : en
  • CH108216A - Process for the preparation of a condensation product of the anthraquinone series which can be used as dye and dye intermediate. : de en
  • CA245677A - Embroidery tool : en fr
  • US1521361A - Arc lamp : en
  • CA245780A - Organ harp hammer : en fr
  • US1521107A - Focusing device for lanterns : en
  • US1521139A - walker : en
  • CH108308A - Method and device for casting hollow metal bodies. : de en
  • AU2085124A - Improved method and apparatus forthe preparation of oils for varnishes, printing inks, paints, linoleums, andthe like : en
  • PL947B1 - : en pl
  • PL1019B1 - Drilling drafts and driving devices for barrows. : en pl
  • PL1101B1 - The method of fixing the rim on the wheels. : en pl
  • PL945B1 - Catheter for flushing the urinary tract. : en pl
  • US1520812A - Closure for ice bags or the like : en
  • CA245784A - Envelope making machine : en fr
  • US1520954A - Toothbrush : en
  • US1521002A - Temperature control for electrolytic cells : en
  • DE407510C - Spike wheel calculator : de en
  • DE407625C - Drying and charring young coal : de en
  • DE407686C - Contact device on push-button switches : de en
  • US1520980A - Coin cabinet : en
  • US1520835A - Method of receiving electrical oscillations : en
  • US1520849A - Monument mold : en
  • US1521085A - Anchor carriage and like vehicle : en
  • US1521112A - Window-controlling device : en
  • US1521022A - Safety appliance for mining machines : en
  • US1521216A - Kiln car : en
  • US1520968A - Steaming tube for hair waving and curling : en
  • FR582868A - Improvements made to impregnated insulation : en fr
  • GB226735A - Improvements in process and apparatus for making paper and product thereof : en
  • US1521219A - Automatic shade-dimmed headlight : en
  • US1521374A - Post holder : en
  • US1521074A - Muffler for internal-combustion engines : en
  • PL1028B1 - A method and equipment for processing crude oil or similar products. : en pl
  • US1520735A - Ditching machine : en
  • US1520857A - Curtain bracket : en
  • FR582976A - Improvements in processes and apparatus for continuous sterilization of milk, etc. : en fr
  • PL1068B1 - Method of decomposition of gas mixtures. : en pl
  • PL1108B3 - The way of giving cotton new properties : en pl
  • US1520848A - Hot-water regulator : en
  • US1521580A - Billiard-cue chalker : en
  • PL923B1 - Drawings storage cabinet. : en pl
  • US1520707A - Speed-governor device : en
  • US1520856A - Chopping knife and cake cutter : en
  • CA245816A - Press for drawing sheet metal : en fr
  • US1520942A - Internal-combustion engine : en
  • US1521440A - Motor for automobiles : en
  • CA245707A - Flying machine body : en fr
  • PL1024B1 - Method for carrying out continuous processes with the exception of melting processes in standing furnaces. : en pl
  • PL968B1 - Apparatus for stripping heavy oils from benzene oil with immediate rectification of it. : en pl
  • US1521146A - Lathe rest : en
  • DE407596C - Articulated connection between two adjacent, inwardly protruding arms of a crawler belt for motor vehicles : de en
  • US1520949A - Motor support : en
  • US1521055A - Coated aeroplane cloth and process of making same : en
  • US1521476A - Box-lid remover : en
  • US1520744A - Bath for heat-treating metals : en
  • US1521561A - Note-sheet-guiding device for player pianos and the like : en
  • US1521039A - Sliding closure : en
  • US1521052A - Drawbar attachment for tractors : en
  • US1520747A - Labeling and waxing machine : en
  • DE407394C - Mill with grinding body working in a stationary grinding ring : de en
  • DE407791C - Vacuum tubes provided with electrodes : de en
  • GB226719A - An improved piston ring : en
  • US1521339A - Optical apparatus for instructional purposes : en
  • GB226654A - Improvements relating to thermionic valves or electron discharge tubes particularly for wireless signalling : en
  • US1520757A - Channel oven : en
  • FR582940A - Combustion chamber for dust fireplaces with flame inversion : en fr
  • US1521054A - Tailor's measuring device : en
  • US1520686A - Door construction : en
  • GB226634A - Improvements in and relating to the production of composite photographs : en
  • GB226656A - Improvements in or relating to piston packing rings : en
  • CH108310A - Metal working machine. : de en
  • FR582981A - Thermo-electric battery in drawn metal : en fr
  • PL957B1 - Microphone which is acted on directly at the point where the sound is produced. : en pl
  • US1521513A - Continuous-rail crossing : en
  • CA245672A - Spinning and drawing roll : en fr
  • PL1104B1 - The method of making metal bodies. : en pl
  • PL993B1 - A product that substitutes gasoline for internal combustion engines. : en pl
  • CH106956A - Regulating mouthpiece for hose lines. : de en
  • US1521564A - rogler : en
  • PL974B1 - Machine for sewing sweat stripes into hats. : en pl
  • US1521570A - Separator : en
  • US1521130A - Adapter for electrical fixtures : en
  • US1521215A - Automobile switch lock : en
  • PL918B1 - A couch that can be transformed into a bed, etc. : en pl
  • DE407769C - Filter with a porous body consisting of glass particles sintered together : de en
  • DE407812C - Roll film camera : de en
  • US1520719A - Tent structure : en
  • US1520929A - Water-cooling spray nozzle : en
  • US1520784A - Closure : en
  • US1521027A - Clip cap for spring covers : en
  • CH108224A - Terminal contact. : de en
  • CA245736A - Whistle : en fr
  • US1520813A - Selective circuits for multiplex transmission : en
  • US1521191A - Prism-lens disk : en
  • US1521444A - Return conveyer for mangles : en
  • US1521164A - Automobile radiator attachment : en
  • US1521243A - Ventilator : en
  • US1521344A - Man's waistcoat or vest for dress wear : en
  • US1521201A - Box-strapping machine : en
  • PL1035B1 - Steering device for multi-chamber steam and gas turbines with multi-vault rotors. : en pl
  • CA245772A - Getter : en fr
  • PL997B1 - A method of equalizing the inflow and heat consumption in heating installations with variable steam and power demand. : en pl
  • US1521204A - Grate : en
  • US1521567A - Distress signal : en
  • PL928B1 - Pans and / or dishes. : en pl
  • US1521235A - Stoker ram : en
  • US1521268A - Screw driver : en
  • US1521452A - Shock-absorber snubber : en
  • GB226624A - Improvements relating to the connection of cables or wires to levers : en
  • PL1027B1 - The method of continuous fractionation of crude oil, tar and so on. : en pl
  • PL956B1 - A type telegraph receiver where the sign to be reflected is made up of combinations of several shocks of current. : en pl
  • US1520695A - Operating mechanism for dump-car-door raising and supporting shafts : en
  • US1521044A - Mixing machine : en
  • US1521436A - Automatic draft regulator : en
  • US1521282A - Art of refining oils : en
  • CH108226A - Device to facilitate the movement of loads. : de en
  • CH108427A - Device for cleaning rakes from channels. : de en
  • CH108311A - Method and device for the production of screws. : de en
  • CA245713A - Felted fibrous composition : en fr
  • PL920B1 - Spring mattress. : en pl
  • PL962B1 - AC motor with double rotor winding. : en pl
  • US1521477A - Clearing-sign hammer mechanism : en
  • US1521425A - Implement for cleaning teeth : en
  • CH108396A - Device for retaining the locking nuts of removable wheels. : en fr
  • CH108233A - Binder for twigs and lapels, e.g. B. Vine shoots. : de en
  • CA245821A - Horsehair thread making machine : en fr
  • DE407562C - Electric soldering device : de en
  • PL1061B1 - A method for producing stable nitrogen feed from peat. : en pl
  • DE407825C - Device for charging an accumulator battery, especially for locomotives for mixed operation : de en
  • DE407741C - Plucked instrument : de en
  • FR582951A - Ignition device for internal combustion engine : en fr
  • CH108162A - Marking machine for laundries, clothes cleaning companies, dye works etc. : de en
  • CA245683A - Washing apparatus : en fr
  • CA245824A - Television : en fr
  • AU1877424A - Improvements in or relating to apparatus for feeding molten glass : en
  • PL1012B1 - Radio-telegraph antenna. : en pl
  • US1521404A - Transfer apparatus : en
  • US1521225A - Packaging process : en
  • US1521438A - Picker-stick and sweep-stick coupling : en
  • CA245650A - Automobile brake : en fr
  • GB226580A - Improvements in rotary screens : en
  • GB226649A - Direction indicator for motor vehicles : en
  • GB226865A - Improvements in rectangular tins for baking bread and the like : en
  • US1520828A - Refuse container : en
  • CA6487S - Combined trash receptacle and advertising medium : en
  • US1520772A - Internal-combustion engine : en
  • US1520796A - Spray cabinet : en
  • CA245809A - Plate scraping machine : en fr
  • CH108209A - Process for the preparation of a wool dye of the Safranin series. : de en
  • CH106577A - Theodolite for optical-electrical measurements. : de en
  • US1520916A - Sand cutting and screening machine : en
  • US1521544A - Carpenter's scriber : en
  • PL1070B1 - The cutter for making marzipan. : en pl
  • US1520781A - Filter screen : en
  • US1521045A - Carrier for automobile curtains and the like : en
  • CA245703A - Testing and display device : en fr
  • CA245685A - Grain saving attachment for binders : en fr
  • ES89909A1 - Procedure to improve vegetable fibers in their color, shine, tenacity and flexibility. : en es
  • CH107665A - Device for rounding and chamfering stones. : en fr
  • PL1094B1 - Device for separating oil and natural gases. : en pl
  • US1521009A - Switch mechanism : en
  • US1521328A - Method of and apparatus for cutting and applying ring liners to can covers : en
  • US1521338A - Shoe and process of making the same : en
  • CA245796A - Automatic telephone system : en fr
  • FR582885A - Removable device protecting the ear from contact with a telephone headset : en fr
  • FR582934A - Improvements to hydraulic pumps and motors : en fr
  • GB206821A - Improvements relating to photography and kinematography : en
  • US1521552A - Candle mold : en
  • AU1935224A - Improvements inon relating to record-card-controlled statistical machines : en
  • CA245776A - Incandescent lamp : en fr
  • DE407557C - Electrode heating for steam boiler : de en
  • FR582941A - Sophisticated bag or envelope layout to protect clothing : en fr
  • CH106313A - Bundle coil for heat exchange devices. : de en
  • ES91492A1 - A new tap or faucet. : en es
  • DE407653C - Device for the production of wooden stick mats u. like : de en
  • US1520858A - Fabric-handling machine : en
  • US1521163A - Adjustable thread-selecting device : en
  • US1521431A - Button : en
  • US1521558A - Game board : en
  • FR582998A - Electric igniter : en fr
  • GB226752A - Improvements in and relating to tanks for carrying inflammable liquids upon vehicles : en
  • US1521358A - Cow-hopple-hook former : en
  • GB228829A - Ageing wheat, wheat flour and intermediate products : en
  • FR582910A - Weighing and closing machine for full bags : en fr
  • GB227074A - Improvements in or relating to coin freed apparatus : en
  • US1521005A - Regulator system : en
  • FR582916A - Improvements to automotive safety devices : en fr
  • GB226626A - Improvements in and connected with magneto electric generators for signalling purposes : en
  • PL989B1 - Method of continuous decomposition of sulphite stripping. : en pl
  • CH108344A - Dynamo-electric flywheel drive machine in internal combustion engines. : de en
  • PL1001B1 - A method of removing carbon from metals with a high melting point. : en pl
  • CA245692A - Car roof : en fr
  • CH108251A - Cooking vessel with a safety device to prevent the food from falling out when the cooking water is poured out. : de en
  • FR582801A - Enhancements to burglar alarm systems : en fr
  • FR582821A - Washing machine : en fr
  • US1520897A - Clothes-washing apparatus : en
  • US1521075A - Stooker : en
  • US1521380A - Receiving system : en
  • US1521385A - Device for the production of compressed oxygen from liquid oxygen : en
  • US1521240A - Fence : en
  • GB226697A - An improved illuminator for the microscope : en
  • US1520756A - Canoe support and shelter : en
  • GB215015A - Improvements in gas indicating devices : en
  • PL948B1 - Drive device for the looper on chain-stitch sewing machines. : en pl
  • US1520819A - Door for basement openings : en
  • USD66333S - Design fo r a phonograph cabinet : en
  • FR582809A - Method and apparatus for weaving fabric for tire casings for bicycles and automobiles and other similar fabrics : en fr
  • US1520708A - Ballet slipper : en
  • GB226582A - Improvements in chairs for cinemas and the like : en
  • US1520879A - Auto lunch box : en
  • US1521527A - Safety device for cars : en
  • FR582999A - Dyeing process : en fr
  • GB226875A - Improvements in automatic power presses for blanking and forming hollowware of sheetmetal : en
  • FR582857A - Steam or gas turbine, in particular for vehicles, eg locomotives : en fr
  • CH108330A - Fan. : de en
  • US1520737A - Method of increasing oil extraction from oil-bearing strata : en
  • USD66331S - Design for a hat : en
  • PL1109B1 - The method of obtaining the efflorescence of different colors with the use of vat dyes on the background of indigo and other dyed backgrounds, obtained by means of deoxidizing agents. : en pl
  • US1521263A - Cane-cutting machine : en
  • DE407570C - Device for measuring oven temperatures using radiation pyrometers : de en
  • ES91408A1 - A method of operating constant pressure internal combustion engines. : en es
  • CA245729A - Carbureter : en fr
  • CH108221A - Fastening device for the guide disks of steam turbines, gas turbines, turbo compressors and the like. : de en
  • CA245726A - Meat chopping machine : en fr
  • US1521024A - Anchor-bolt nut : en
  • US1521342A - Band wrench : en
  • US1521043A - Clutch mechanism : en
  • CA245656A - Installation for the separation of liquids : en fr
  • DE407857C - Support switching device for planing machines : de en
  • FR582932A - Improvements to biological purification devices : en fr
  • GB226663A - Improvements in the construction of two-throw crank axles for locomotive engines : en
  • USD66335S - Design for a display stand : en
  • US1521271A - Can opener : en
  • USD66341S - Design for flocked voile fabric : en
  • PL914B1 - Holder for cleaning cloths, scouring cloths, etc. : en pl
  • GB226702A - Improvements in or relating to brakes for motor vehicles : en
  • CH108347A - Dual-liquid carburettor for internal combustion engines. : en fr
  • CH108368A - Protection device for current limitation and automatic shutdown of electrical power consumers. : de en
  • CH107808A - Construction in artificial stones. : en fr
  • FR582965A - Airplane intended for powered flight and gliding : en fr
  • US1521229A - Fishing reel : en
  • US1521469A - Horizontal sifter for the manufacture of paper pulp and cellulose with a screen submerged in the aqueous paper pulp : en
  • DE407761C - Shuttle changing device for looms : de en
  • DE407545C - Machine for printing price and attachment slips, cards, etc. like : de en
  • DE407786C - Electricity meter to register overconsumption when exceeding an average load : de en
  • US1520692A - Adjusting mechanism : en
  • US1521510A - Toy cannon : en
  • GB226847A - Improvements in and relating to the manufacture of tobacco : en
  • US1520811A - Method of freezing and preserving perishable products : en
  • US1521144A - Overload-indicating apparatus for transformers : en
  • US1520807A - Cooking stove : en
  • US1520820A - Nozzle : en
  • ES91373A1 - Device for the automatic disinfection of WC bowls and dirty water pipes. : en es
  • FR582898A - Improvements to cooling radiators and their manufacturing processes : en fr
  • FR582818A - Process for the use of existing low pressure boiler systems in the assembly of very high pressure boilers : en fr
  • GB226693A - Improvements in the manufacture of artificial stoneware : en
  • PL1074B1 - Explosive engines work method. : en pl
  • US1521530A - Electric switch : en
  • FR582899A - Elastic fabric shaped on both sides : en fr
  • GB226572A - Improvements in or relating to apparatus for applying closures to bottles, jars and the like : en
  • FR582886A - : fr
  • ES91405A3 - A procedure for making table cutlery. : en es
  • GB225869A - Improvements in oil burner constructions : en
  • PL1015B1 - A device for sharpening knives for chaff cutters and other machines. : en pl
  • FR582936A - Improvements to electric contact heating devices, with low consumption, thanks to the judicious use of metals : en fr
  • AU2075524A - Improvements in and relating to electromagnetic devices : en
  • FR582883A - Rotating headlight for automobiles, motorcycles, arranged to be able to rotate in a vertical plane : en fr
  • GB212527A - : en
  • GB226738A - Apparatus for refining and freeding bubbles from molten glass and metals : en
  • GB226720A - Improvements in hydraulic valves : en
  • GB226621A - Improvements in head lights for vehicles : en
  • GB226647A - Improvements in or relating to yarn changing means for circular knitting machines : en
  • DE407646C - Tool holder on bevel gear planing machines : de en
  • CA245740A - Antenna system for wireless communications : en fr
  • CH108424A - Scaffold girders. : de en
  • FR582997A - Method and device for regulating the supply of fuel in internal combustion engines : en fr
  • DE407930C - Process for the production of sodium salts from mineral waters containing bicarbonate : de en
  • DK34014C - Kamleje. : da en
  • GB215016A - Improvements in bromine solutions : en
  • US1521150A - Automatic gas cut-off : en
  • DE407852C - Draft regulator for boilers, especially boilers with a spring box that responds to temperature or pressure in the boiler and an air flap controlled by this : de en
  • GB226729A - Improvements in or relating to screw-drivers : en
  • FR582884A - Stator for AC motors : en fr
  • FR582890A - Advanced inductor system with compensation winding for electric motors : en fr
  • GB226641A - Improvements in the manufacture of continuously loaded electrical conductors : en
  • DE407587C - Buttonhole cutting and sewing machine : de en
  • PL1093B1 - Production of lubricating and cylinder oils. : en pl
  • PL1079B1 - Pre-shaft spindle. : en pl
  • DE407626C - Flat bottom self unloader : de en
  • GB205819A - : en
  • CA245671A - Mechanism for drawing or drafting cotton : en fr
  • CA245745A - Oil reconditioning apparatus : en fr
  • PL1098B1 - Improvements in the automatic coil replacement devices in weaving looms. : en pl
  • US1520934A - Check filler or surfacer for refinishing varnished and like articles : en
  • US1520997A - Safety switch box : en
  • USD66343S - Design eor flocked voile fabric : en
  • FR582913A - Further development of automotive radiator harnesses : en fr
  • CH108389A - Device to prevent slides from sliding sideways. : de en
  • FR582962A - Improvements to jigsaws : en fr
  • GB226725A - Improvements in stepped grate furnaces : en
  • US1520865A - Apparatus and meter for testing batteries : en
  • US1520953A - Method of separating oils : en
  • US1521541A - Method of making carbons : en
  • US1520688A - Journal box for mine-car wheels : en
  • US1521057A - Safety-apron construction for rotating platforms : en
  • US1520696A - Load-discharging car : en
  • DE407550C - Electric remote control : de en
  • DE407648C - Process for pre-tuning and re-tuning as well as for grinding reeds : de en
  • GB226756A - Lighting attachment for sewing machines : en
  • FR582994A - : fr
  • GB227481A - An improved process for the preparation of alphanaphthylamine : en
  • FR582808A - Process for the preservation of films of hydrate or hydrated ethers of cellulose : en fr
  • US1520731A - Process of coating ferric articles with a metallic protective : en
  • US1521173A - Electromagnetic tool : en
  • DE407679C - Temperature switch with mercury tilting tube : de en
  • DE407888C - Process for the production of metal coatings on dielectrics : de en
  • PL1025B1 - A method of leaching ores with nitric acid. : en pl
  • US1521012A - Brush holder and method of making the same : en
  • US1521199A - Conductor support : en
  • US1521317A - Hot-metal car : en
  • USD66317S - Design for a bathroom shelf or receptacle : en
  • GB220285A - Improvements in sensitive indicators more particularly with linear dimension gauges : en
  • FR582931A - Magnetic-blown capsule surge protector without induction resistance : en fr
  • DK34000C - Connecting means for assembly of multi-part masts, building timber and the like. : da en
  • FR582873A - Electromotive wheel for motor vehicles : en fr
  • FR582996A - Improvements in the fabrication of cathodes having a high electron emissivity : en fr
  • ES91392A1 - Improvements in automatic switches for telephone systems. : en es
  • GB226880A - Improvements relating to steam generators and like apparatus : en
  • DE407820C - Cooling drum for cement rotary tubes : de en
  • CH108279A - Process for the production of a fuel for explosion engines from high-boiling hydrocarbons. : de en
  • FR582947A - Improvement in devices for the synthesis and solution in water of hydrochloric acid : en fr
  • GB226637A - Improvements in or relating to air ships : en
  • FR582971A - : fr
  • US1521143A - Aerating bubbler : en
  • US1521390A - Mud and oil stripper : en
  • US1520880A - Sterilizing and filling in of milk for transport : en
  • US1521132A - Gyroscopic apparatus for airplanes : en
  • US1521097A - Apparatus for the automatic manufacture of tiles with incrusted designs : en
  • US1521069A - Baffle wall for drainage ditches : en
  • PL1051B1 - Sprayer for liquids, especially milk that is being dried. : en pl
  • PL1090B1 - Improved bleach for washing. : en pl
  • US1521324A - Magazine for firearms : en
  • CA245710A - Bituminous composition : en fr
  • CH108340A - Evaporative cooling device on internal combustion engines. : de en
  • US1520751A - Roofing nail : en
  • US1521373A - Building construction : en
  • US1521581A - Track construction : en
  • US1520860A - Potato-chip-frying machine : en
  • US1521106A - Cylinder head and spark plug : en
  • USD66340S - Design for slocked voile eabric : en
  • CA245762A - Air-motor sign : en fr
  • CA245805A - Variable control device : en fr
  • PL1004B1 - A acetabular alloy, containing a lot of lead. : en pl
  • US1520722A - rissman : en
  • US1520947A - Artificial shingle : en
  • US1520992A - Combination tool : en
  • CA245787A - Tone arm for phonographs : en fr
  • US1520881A - Apparatus for closing hermetical boxes or the like : en
  • GB206473A - Improvements in wick adjusting mechanism for oil burners : en
  • CH108381A - Electric radiation and sweating apparatus. : de en
  • PL1032B1 - Device for fixing women's hats. : en pl
  • PL917B1 - Coupling, in the form of a dovetail, for the coupling of the components of the bed. : en pl
  • US1520930A - Filter : en
  • US1521294A - Method and apparatus for drawing sheet glass : en
  • US1521121A - Skirt guard : en
  • US1521441A - Rectifier : en
  • US1521399A - Apparatus for printing photographic prints from negatives : en
  • US1520890A - Bed hook pin : en
  • US1521251A - Incandescent-lamp lock : en
  • US1521478A - Sail control : en
  • PL1063B1 - The method of obtaining dry substance from solutions containing protein bodies. : en pl
  • DE407583C - Spray carburettor with a main air valve and a pipe slide that is dependent on this and slides on the spray tube : de en
  • AU2084124A - Dryers for granular materials : en
  • FR582854A - Window for passenger cars : en fr
  • CA245695A - Automobile spring suspension : en fr
  • US1520888A - Floor cleaning and polishing apparatus : en
  • US1520955A - Sawing attachment for tractors : en
  • US1521518A - Loose-wheel car-axle structure : en
  • US1521316A - Apparatus for producing concrete castings : en
  • DK33991C - Clothing mat. : da en
  • GB206820A - : en
  • GB226882A - Improvements relating to electric lamps suitable for motor cars : en
  • CA245666A - Vehicle spring suspension : en fr
  • US1520962A - Protective garment : en
  • CH108206A - Process for the preparation of a wool dye of the Safranin series. : de en
  • CA245702A - Reserve gasoline tank : en fr
  • CA245801A - Self-playing musical instrument : en fr
  • CA245812A - Shipping and display carton : en fr
  • CA245759A - Wire stretcher : en fr
  • CH108444A - Door buffer. : de en
  • US1521386A - Oil separator : en
  • US1521423A - Vacuum tank : en
  • US1521555A - Bracing apparatus for fireproof tanks : en
  • CA245800A - Burner for solid fuel : en fr
  • CA245689A - Lever top can : en fr
  • DE407706C - Door lock : de en
  • US1520945A - Water-pressure ejector : en
  • US1521371A - Metallic gate : en
  • CA245768A - Lock : en fr
  • GB226722A - Process for the production of gelatine and glue from chromeleather or its shavings : en
  • CA245678A - Apparatus for extinguishing sparks, regulating draught, etc. : en fr
  • CA245773A - Getter : en fr
  • DE407764C - Safety valve for gas stove burner : de en
  • FR582917A - Antenna of t. s. f. invisible for limousines, railroad cars or other fixed flag vehicles : en fr
  • PL1026B1 - A method and a device for producing light oils from heavy crude oils. : en pl
  • US1521176A - Cut-out : en
  • ES89908A1 - An improvement in film projections. : en es
  • GB226675A - Improvements in cricket balls and the like and in the manufacture thereof : en
  • GB226844A - Improvements in or relating to refrigerating systems : en
  • CH108535A - Process for the impregnation of vegetable matter. : de en
  • PL919B1 - A sun lounger with a divided lying area. : en pl
  • CH108306A - Anti-friction alloy. : en fr
  • US1520690A - Shoe-polishing box : en
  • US1521203A - Sealing device : en
  • US1521494A - Glare protector : en
  • CA245655A - Glass tube forming process : en fr
  • CA245766A - Can body gauging hammer : en fr
  • PL1055B1 - Air-cooled steam condenser with condensate tank and vents : en pl
  • US1520714A - Tap : en
  • PL1056B1 - Device for heat exchange with pipes, embedded in the bottom of the rush. : en pl
  • US1520987A - Means for securing railroad rails to roadbeds : en
  • US1521179A - Means for spooling yarns : en
  • DE407674C - Outdoor switches on suspension isolators : de en
  • US1520855A - Clothes wringer : en
  • US1520974A - Speed-regulator system : en
  • US1521068A - Corset : en
  • PL1010B1 - Connection arrangement for one or more reinforcement tubes connected in series. : en pl
  • US1521560A - Method of preparation of aliphatic arsenical derivatives from acetoarsenious anhydride : en
  • PL972B1 - A sewing machine with a double lockstitch with placed triangular needles. : en pl
  • PL1100B1 - A method of mechanical processing of wooden coffins. : en pl
  • US1521572A - Latch : en
  • US1521078A - Method of curing trees of gum diseases : en
  • US1520878A - Method of forming reenforced cementitious slabs : en
  • US1521178A - Spark-plug-amplifying means : en
  • US1521369A - Package : en
  • US1521504A - Carrier attachment to cycle frames : en
  • USD66324S - Desigost for wall paper : en
  • FR582945A - Improvements to cultivators : en fr
  • GB226573A - Improvements in or relating to electric power transmission systems : en
  • US1520917A - Method of and machine for producing cops of asbestos roving : en
  • CH107443A - Shut-off device controlled by a stable regulator. : de en
  • PL1005B1 - Mechanical grate kiln for roasting ores with replaceable comb stones 8 consisting of several parts, preferably a support stone and a stone working on each comb. : en pl
  • US1520804A - Process and apparatus for making oil gas : en
  • US1520951A - Automobile bumper : en
  • US1520940A - Process for the manufacture of sealing caps and for applying them onto the vessels to be sealed : en
  • US1521450A - Automobile rack : en
  • PL1087B1 - A kettle for washing clothes. : en pl
  • US1521463A - Runner brick and process of manufacturing the same : en
  • DE407739C - Conversion device for adjoining inlet funnels of small mills : de en
  • US1521445A - Refrigerating apparatus : en
  • US1521273A - Interlocking relay : en
  • DE365442C - Socket switch : de en
  • GB226883A - Improvements in and relating to the control of synchronous electric motors : en
  • DK33990C - Device for trouser tensioners. : da en
  • DE407945C - Process for making dry iron gall ink : de en
  • US1520836A - Keyboard for mail-distributing machines : en
  • US1521289A - Clamp for baking pans and the like : en
  • US1520896A - Display device : en
  • US1521183A - Jack eye for harness levers : en
  • US1521579A - Buffer for vehicles : en
  • DE407977C - Jewelery and handicraft items : de en
  • US1521549A - Method of producing chemical reactions by action of heat : en
  • USD66334S - Design fo r a phonograph cabinet : en
  • DK34013C - Double-acting internal combustion engine. : da en
  • FR582914A - Stretching cylinder in width : en fr
  • GB226687A - Improvements in or relating to fishing tackle : en
  • US1521151A - Watchmaker's loupe : en
  • US1521352A - Sadiron : en
  • US1521021A - Compressor : en
  • US1521047A - Flying machine : en
  • DE407552C - Device for charging accumulators : de en
  • US1521291A - Folding box : en
  • US1521442A - Bottle-crowning machine : en
  • FR582924A - Auto cornering retarder : en fr
  • GB227493A - Improvements in or relating to drawing and like rollers for spinning, drawing, combing and the like machines : en
  • GB206819A - Improvements in or relating to radiators for aircraft or like motors : en
  • US1520809A - Dental attachment for movable-removable bridgework : en
  • DE407635C - Process and device for the production of soap bars from molten soap solution in a continuous operation : de en
  • FR582995A - Device for increasing the slip of an asynchronous motor : en fr
  • US1520706A - Centrifugal dirt collector : en
  • US1520709A - Sound-producing device : en
  • US1520915A - Temperature indicator : en
  • US1521553A - Plaster shield for inclosed switches : en
  • CH108250A - Cleaning and work stand. : de en
  • DE407817C - Attachment of the engine : de en
  • DE407643C - Method for improving the cooling, in particular of a valve, the hollow body of which contains a lot of mercury : de en
  • FR582826A - Multiple Filament Incandescent Lamp System : en fr
  • GB205081A - The manufacture of silicic acid gels : en
  • FR582874A - Pneumatic support for the soles of the feet : en fr
  • PL929B1 - Kitchen utensil holder. : en pl
  • US1520702A - Method of making thumbscrews and caps : en
  • US1521276A - And walter j : en
  • DE407802C - Registering or indicating device for gas analysis for the determination of two or more different components in a gas mixture : de en
  • GB222102A - Improvements in or relating to planet gearing : en
  • US1520958A - Cost-computing machine : en
  • US1520979A - Ophthalmic mounting : en
  • US1521350A - Vending machine : en
  • US1521556A - Winding machine : en
  • CA245723A - Burner for combustible liquids : en fr
  • FR582845A - Improvement in training devices allowing the use of non-perforated films in cinematographic devices : en fr
  • CH108231A - Scythe peening device. : de en
  • DE407717C - Two-flow type steam turbine : de en
  • DE407723C - Connection for weather flutes : de en
  • US1520748A - Spool holder : en
  • US1520703A - Machine for smoothing curved surfaces : en
  • US1521306A - Method of treating water : en
  • CA245722A - Camera attachment : en fr
  • US1521257A - Vehicle wheel : en
  • DE407662C - Headlights with parabolic concave mirror : de en
  • GB226711A - Improvements in or relating to chain connecting links and the like : en
  • DE407730C - Device for the production of lather for shaving purposes by means of compressed air : de en
  • GB226758A - Electrically lighted sewing machines : en
  • US1521194A - Die-stock attachment : en
  • US1521269A - System of control : en
  • PL1085B1 - Automatic weighing machine, filling and weighing loose and powdered bodies, especially ground cocoa. : en pl
  • CA245704A - Coupling : en fr
  • US1520817A - Grrnsrding- machine : en
  • DE407499C - Device for controlling combustion processes by burning the unburned parts and the resulting changes in the length of an expansion body : de en
  • FR582820A - Condensation water trap : en fr
  • GB226700A - Improvements in cupola furnaces : en
  • GB226743A - Improvements in or relating to trimmers or cutters for driving belts : en
  • FR582963A - Method and apparatus for making emulsions : en fr
  • DE407560C - Device for sealing the electrodes of electric furnaces : de en
  • CH108207A - Process for the preparation of a wool dye of the Safranin series. : de en
  • US1521470A - Vertical filing device : en
  • GB226661A - Lighting magneto for vehicles : en
  • US1521023A - Mining apparatus : en
  • US1521234A - Blank-registering device : en
  • FR582870A - Process for the production of transparent artificial horn using casein : en fr
  • FR582980A - : fr
  • GB216491A - Improvements in or relating to automatically adjustable pulleys : en
  • GB226671A - Improvements in fountain pens : en
  • DE407652C - Plate dryer : de en
  • DE407671C - Start-up device for rotary piston machines : de en
  • US1521314A - payne : en
  • US1521402A - Control mechanism for electric furnaces : en
  • US1521550A - Adjustable window screen : en
  • US1521586A - Means for regulating the voltage of distribution systems : en
  • FR582858A - Machine for the circulation and automatic spinning of yarn into hanks : en fr
  • CH108220A - Adjustment device for the peephole of the revolution counter on calculating machines. : de en
  • CH108382A - Circulation vaginal irrigation apparatus. : de en
  • US1520999A - Electric furnace : en
  • CH107468A - Brush holder for power consumption on commutators and slip rings. : de en
  • CH108455A - Device for processing floors. : de en
  • US1521031A - Electrically-heated solder pot : en
  • US1521228A - Three-part garment for women and girls : en
  • US1521521A - Vending installation : en
  • DE407645C - Reversing device for gear transmission : de en
  • PL1075B1 - Footwear with a wooden sole. : en pl
  • US1521019A - Telephone system : en
  • US1521458A - Tractor : en
  • CA245721A - Folding table : en fr
  • CH108280A - Method and apparatus for producing a fuel for explosion engines. : de en
  • CA245652A - Trailing net : en fr
  • CA245825A - Fastener inserting machine : en fr
  • CH108297A - Rubber toys. : de en
  • PL1114B1 - Dual space air heater. : en pl
  • US1520893A - Semirefractory heat insulating material and method of making the same : en
  • US1521041A - Spark-plug carrier and testing device : en
  • US1521582A - Tread-buffing machine : en
  • CA245742A - Pump : en fr
  • US1520728A - Fluid-actuated inlet valve for rock drills : en
  • PL1020B1 - A device for roasting and roasting ore. : en pl
  • US1521366A - Combined radio and phonograph amplifier and tone control therefor : en
  • CH108495A - Process of making a liquid preparation for polishing furniture, metals, etc. : en it
  • PL975B1 - A device for cutting and clamping threads at sewing machines. : en pl
  • ES89295A1 - A transformer for mercury vapor lamps. : en es
  • PL911B1 - Soap cabinet. : en pl
  • PL1106B1 - Reciprocating foundry crucible melting furnace with holding chamber. : en pl
  • US1521414A - Wash basket : en
  • GB226731A - Improvements in the manufacture and production of liquid fuels : en
  • DE407844C - Circuit to achieve effective coverage of the anode currents of a rectifier fed by two transformers : de en
  • PL1088B1 - Laundry machine. : en pl
  • PL1022B1 - A method and an apparatus for obtaining zinc dust. : en pl
  • PL1053B1 - Steam engine condenser. : en pl
  • US1521462A - Traffic signal : en
  • DE407663C - Device for manufacturing wheel tires : de en
  • DE407810C - Device for driving drills and similar tools out of the chuck : de en
  • DE407756C - Type lever bearing with slot guide : de en
  • DE408020C - Process for the internal protection of gas containers : de en
  • DK33998C - Device by Gear. : da en
  • DE407790C - Device for examination by means of X-rays : de en
  • US1520736A - Disk wheel : en
  • PL1115B1 - Injection carburetor for explosive engines. : en pl
  • PL1071B1 - Device for making thin-walled hollow shapes from chocolate mass or similar material. : en pl
  • US1520919A - Cigarette holder : en
  • DE407513C - Device for locking counters in their disengaged positions : de en
  • DE395743C - Firearm with unscrewable barrel : de en
  • FR582832A - Fish cutting machine : en fr
  • GB222453A - Machine for burling fabrics and cutting the loose ends of weftthreads at the selvedges : en
  • PL958B1 - Device for changing the wavelength. : en pl
  • CA245711A - Waterproofing material : en fr
  • PL1081B1 - A method of making printed oval or flat cigarettes with mouthpieces. : en pl
  • US1520718A - Strand or cord working mechanism : en
  • US1520717A - Ventilated cap : en
  • PL1060B1 - The method of preserving sweet green fodder, : en pl
  • US1520967A - Automobile brake shoe : en
  • US1521008A - Tool for installing boiler handhole caps : en
  • US1521109A - Gravity-feed oiler : en
  • CA245669A - Flying machine : en fr
  • GB226631A - Improvements in the manufacture of kinematograph screens : en
  • GB226581A - Improvements relating to apparatus for disintegrating ore and similar material : en
  • PL1046B1 - Food drying device. : en pl
  • US1521077A - Internal-combustion engine : en
  • US1521542A - Self-sealing-jar opener : en
  • FR582834A - Flue gas heater : en fr
  • DK34010C - Signal device at switches. : da en
  • FR582850A - Method and apparatus for cartographic rendering by means of photographs : en fr
  • CA245725A - Bituminous emulsion : en fr
  • FR582804A - Primary socket terminal for ford engine : en fr
  • FR582894A - Removable traction stud for soft track : en fr
  • GB226630A - Improvements relating to the manufacture of carburetted water gas : en
  • FR582825A - Improvements in the construction of mixed coal and gas cooking stoves : en fr
  • GB226678A - Means for securing purses to bracelets, wristlets and the like : en
  • GB218253A - Improvements in or relating to alternating air hammers : en
  • FR582988A - New chemical and process for obtaining it : en fr
  • GB226618A - Improved method of and means for handling molten substances : en
  • DE419906C - Process for dehumidifying wet fuels : de en
  • US1521185A - Toy boat : en
  • PL1047B1 - A method of making products that substitute for coffee from grains containing starch, especially cereals. Priority: April 28, 1917 : en pl
  • PL1091B1 - Method of obtaining azo dyes on fibers. : en pl
  • US1521448A - Combined toy and ornament : en
  • US1521503A - Weeder : en
  • DE407712C - Troughed belt conveyor : de en
  • FR582929A - Method of maturing hay and grain crops in haystacks : en fr
  • GB226658A - Improvements in or relating to electric wall plugs : en
  • US1520687A - Closure for garments and other purposes : en
  • DE407684C - Vessel for electrical devices with spark extinguishing under OEl : de en
  • US1521343A - Temperature-responsive instrument : en
  • US1520754A - Trailer truck : en
  • US1520782A - Wall construction : en
  • PL1043B1 - The method of curing meat. : en pl
  • US1520738A - Electric light : en
  • US1520847A - Electric switch : en
  • CH108247A - Combustion system. : de en
  • CH108265A - Innovation on circular knitting machines. : de en
  • PL1116B1 - Bottle stopper with a device that allows you to pull it out without a corkscrew. : en pl
  • US1520821A - Automatic switch : en
  • US1521208A - Safety attachment for stop watches : en
  • US1521254A - Mine railroad construction : en
  • US1521408A - Typewriter : en
  • US1521472A - Towel hanger : en
  • CH108244A - Lock for rotating locks. : de en
  • US1521345A - Nutcracker : en
  • DE407871C - Method for fastening a pressure plate on a forme cylinder and forme cylinder for carrying out the method : de en
  • GB226660A - Improvements in the method of and means for beaming warps : en
  • US1520900A - Pipeless furnace : en
  • DE407774C - Railway traffic monitoring apparatus : de en
  • CA245679A - Removable sanitary seat cover : en fr
  • US1521336A - Typewriting machine : en
  • US1520834A - Multiform tool : en
  • CA245714A - Felted sheet : en fr
  • US1521246A - Concrete loading, mixing, and distributing machine : en
  • US1521298A - Reversing apparatus for heating furnaces : en
  • CH108225A - Device for regulating the speed of electric motors. : de en
  • US1520711A - Cutting implement : en
  • US1520762A - Laundry machinery : en
  • US1521193A - Label-applying machine : en
  • US1521007A - Recording meter : en
  • US1521153A - Stair covering : en
  • CA245806A - Dibrombarbituric acid : en fr
  • US1520815A - Signal : en
  • US1520859A - Centrifugal pump : en
  • US1521247A - Valve and valve connection : en
  • CH108353A - Filling battery, especially for small lighting. : de en
  • CH106796A - Printing machine with electric shut-off device. : de en
  • FR582887A - Improvements to manometers : en fr
  • PL954B1 - Sewing machine with a device for cutting the edge of the fabric. : en pl
  • FR582928A - Improvements to frames for paintings, engravings, etc. : en fr
  • GB226871A - Improvements in or connected with the control mechanism of aircraft : en
  • US1520851A - Motion and direction indicator for vehicles : en
  • CA6484S - Bottle : en
  • CH107403A - Preparations for the production of impressions, in particular for use on stamps, addressing and printing machines. : de en
  • CH108288A - Device for clamping and holding flexible printing plates on a printing cylinder. : de en
  • US1521376A - Cutting machine : en
  • US1520904A - Windshield cleaner : en
  • USD66325S - George haviland : en
  • CH106538A - Suspenders. : de en
  • US1521393A - Speech vent : en
  • PL964B1 - Vacuum tube for vibration amplification and generation. : en pl
  • US1520767A - Centrifuge : en
  • US1521539A - Cultivator structure : en
  • GB226715A - Improvements in or relating to ring spinning and ring twisting frames : en
  • CH108269A - Knock stand for door templates. : de en
  • CH108274A - Sole or heel for shoe. : en fr
  • FR582927A - : fr
  • US1521015A - Thomas fergusost : en
  • PL1105B1 - Automatic thread cutter for cutting the thread on wood screws. : en pl
  • US1520763A - Ice-cream dispenser : en
  • CA245761A - Folding blind window : en fr
  • CH108235A - Building block. : de en
  • DE407795C - Powder brush : de en
  • PL1080B1 - A method of cutting a cigarette strand into individual cigarettes. : en pl
  • US1521485A - Hydrocarbon burner : en
  • US1520870A - Method of manufacturing milk bottles and like constructions : en
  • US1521011A - Method and apparatus for forming chains : en
  • US1521417A - Means for recording an address : en
  • US1521432A - Electrical switch : en
  • PL946B1 - A device for producing and changing vibrational tremola sounds without loss of air current in organs, harmonies and detailed instruments. : en pl
  • DE407778C - Junction box for electrical lines : de en
  • CH108252A - Device for holding vessels on a limited surface. : de en
  • CA245667A - Rail joint : en fr
  • US1521523A - Magazine pencil : en
  • US1521514A - Art of shearing metal bars while in motion : en
  • US1521218A - Shock absorber : en
  • US1521512A - Shipping case : en
  • US1521515A - Piston and connecting-rod construction : en
  • US1521187A - Internal-combustion-motor-starting apparatus : en
  • CH108271A - Method and device for cleaning and disinfecting carpets and other fabrics. : de en
  • US1521161A - Toy : en
  • US1521003A - Control system : en
  • US1521137A - Duplex counting machine : en
  • US1521479A - Ice-shaving scoop and can opener : en
  • PL1064B1 - from cereal sprouts. : en pl
  • PL942B1 - Work forceps for people without hands. : en pl
  • US1520912A - Tractor : en
  • US1521159A - Telephone system : en
  • US1521508A - Reflector for use on motor vehicles and the like and for analogous purposes : en
  • DE397919C - Process for the production of patterned objects from celluloid or similar masses : de en
  • DE407771C - Jet washer for the grainy filter material : de en
  • DE407898C - Automatic glass processing machine : de en
  • FR582990A - New chemical and process for obtaining it : en fr
  • GB216492A - Modification to the radiator of the lewis light machine gun to increase the cooling of the barrel, and adaptable to all guns : en
  • GB226609A - Improvements in davits : en
  • PL966B1 - Device for distillation in the vacuum of derivatives produced in the oil, tar, etc. industries : en pl
  • US1520924A - Insecticide : en
  • DE406915C - Stationary heat storage locomotives : de en
  • DE407811C - Outlet closure for longitudinal graters : de en
  • GB226716A - Improvements in or relating to regenerators : en
  • FR582802A - Carousel : en fr
  • US1521284A - Cloth laying and folding machine : en
  • US1521490A - Distillation of tar and the like : en
  • PL1040B1 - Food storage vessel with rubber seal. : en pl
  • FR582895A - Instant fastening device for pressurized grease cups : en fr
  • GB226877A - Improvements in or relating to self-driven pumping-mechanism : en
  • FR582830A - Safety lock : en fr
  • FR582979A - Improvements to door locks and the like : en fr
  • DE407657C - Arrangement to increase the cooling effect of electrical machines with self-ventilation : de en
  • DE407805C - Folding pack for slab matches : de en
  • FR582831A - Improvements to railway safety devices : en fr
  • FR582905A - Further development of automatic bar turning and threading machines : en fr
  • PL996B1 - Stawidlo with a piston slide for steam engines. : en pl
  • PL1073B1 - A furnace, particularly suitable for steam boilers, with a shaft-shaped gasification chamber in which fine coal is gasified during free : en pl
  • PL959B1 - Tubes with mercury vapor to generate undying waves. : en pl
  • US1521217A - Grinding mill : en
  • US1521498A - Merry-go-round : en
  • US1521162A - Door controller : en
  • US1520852A - Air-compressor piston : en
  • DE407762C - Glove : de en
  • DE407864C - Rotary cylinder lock : de en
  • FR582828A - Device for embroidery with thread guide : en fr
  • US1521035A - Forging furnace : en
  • US1521295A - Dry cell : en
  • DE407740C - Rohrmühle : de en
  • US1521037A - Truck : en
  • US1521310A - Combination tool case : en
  • US1520926A - Carburetor : en
  • US1521196A - Power-driven truck : en
  • US1520990A - Muitiofeice telephone system : en
  • CH107466A - Method and device for converting alternating current of a given frequency (primary frequency) into such of a reduced frequency (secondary frequency). : de en fr
  • US1520730A - Toothbrush : en
  • US1521140A - Antiskid chain : en
  • US1521030A - Non-sew-on ring : en
  • US1521232A - Measrs s ob gas pbojjuoeks : en
  • US1521446A - Marine cooling system : en
  • GB222119A - Improvements in and relating to methods of and apparatus for working quartz : en
  • US1521505A - Unloading device : en
  • US1521034A - Jhalitism : en
  • CH108461A - Brush for cleaning dentures. : en fr
  • FR582844A - Device for varying the distance from axis to axis of two toothed wheels, in particular for the transmission wheels of switches and distributors in electric machines : en fr
  • US1520895A - Shopper's nail cleaning and polishing set : en
  • US1521071A - Demountable him fob vehicle wheels : en
  • US1521577A - Filter for purifying the air : en
  • DE407603C - Fountain pen : de en
  • DE407755C - Driver guide for looms with automatic weft spool exchange : de en
  • US1521500A - Film case : en
  • US1521554A - Window porch : en
  • CA245712A - Paint : en fr
  • CA245826A - Strip feeding mechanism : en fr
  • US1521142A - Electric attachment plug : en
  • CA245802A - Piano hammer rail control : en fr
  • GB210737A - Improvements in or relating to telephone apparatus : en
  • FR582838A - Substance applicable to the coating of walls, wooden or other objects and method and device for its preparation : en fr
  • US1520928A - Device for grading railway tracks : en
  • US1520977A - Ophthalmic mounting : en
  • US1521253A - Smash protector for looms : en
  • US1520734A - Driving mechanism : en
  • US1520800A - Thermotherapeutic appliance : en
  • FR582906A - Projector device with automatic intermittent operation for photographic and cinematographic views : en fr
  • DE407647C - Cold circular saw : de en
  • US1521114A - Clasp for dental mirrors : en
  • CA245699A - Protective liquid holder : en fr
  • US1521067A - Camera : en
  • US1521568A - Amusement device : en
  • PL1057B1 - The method of making pudding powder in plates or other forms. : en pl
  • US1520863A - Valve-operating means for flush tanks : en
  • US1521456A - Watchcase : en
  • CA245764A - Can body making machine : en fr
  • DE407832C - Method and apparatus for making paper stock in a continuous stream of pulping liquid : de en
  • FR582972A - Filling material for reaction and contact columns : en fr
  • GB226870A - Improvements in and connected with machines for making paper bags : en
  • DE407641C - Motor with camshaft arranged above the cylinder to control the valves : de en
  • FR582816A - Single or multiple edging circular saw with automatic wood advancement : en fr
  • FR582871A - Electric resistance welding process : en fr
  • GB206850A - Means for controlling the charging of electric batteries : en
  • US1520889A - Separator for electric batteries : en
  • FR582926A - Cleaning cap for containers : en fr
  • DE407619C - Device for counting the axles moving over a track : de en
  • DE407650C - Device for power transmission from or to electrically operated vibrators via cables or wires : de en
  • FR582992A - Product for <animal feed and process for obtaining it> : en fr
  • CH108365A - Automatic centrifugal switch for alternators working parallel to a collector battery, especially for motorcycle and bicycle lighting. : de en
  • DE407427C - Transmit / receive circuit for wireless telegraphy and telephony : de en
  • DE408021C - Process for the preparation of acetylated o-aminoarylthioglycolic acids : de en
  • GB226744A - Improvements in and relating to absorption refrigerating apparatus : en
  • US1521000A - Steam locomotive : en
  • CH108369A - Protective device for electrical power consumers against impermissible heating. : de en
  • US1521502A - Feed-water heater for steam generators with a rotary water layer : en
  • US1521520A - Dispensing receptacle : en
  • GB213559A - Improvements in or relating to electrodynamic loud-speakers : en
  • ES91407A3 - A procedure for the conservation of eggs and other fresh genera, intended for food. : en es
  • US1520850A - Depositing plate fob : en
  • US1521367A - Gauge for machines for folding sheet metal : en
  • USD66344S - Design for a grenadine lace stripe fabric : en
  • CH108341A - Electric starter, generator and ignition machine for internal combustion engines. : de en
  • CH108126A - Method and apparatus for drying cellulosic films. : en fr
  • PL930B1 - Clamp for hanging clothes. : en pl
  • CA245795A - Adjustable electrical network : en fr
  • CH108364A - Pole inverter for electrical low-voltage devices. : de en
  • US1521245A - Molding apparatus : en
  • CH108284A - Process for the production of linen embossing. : de en
  • CA245751A - Rear light and license plate : en fr
  • DE408096C - Process for the production of photographic copying surfaces for the production of images in the appearance of graphic or similar technology : de en
  • US1521307A - Railway gate : en
  • US1521534A - Annunciator drop : en
  • US1520938A - Steam water heater : en
  • CA245651A - Phenol-formaldehyde condensation product : en fr
  • GB226676A - Improvements in, and relating to, burners for hydrocarbon and similar fuel : en
  • CH108278A - Plant for the production of cookies. : en fr
  • CA245755A - Knife sharpener : en fr
  • CH108325A - Progressive automatic gear change device. : en fr
  • CA245807A - Cotton drawing mechanism : en fr
  • CH108356A - Dynamo-electric unipolar machine. : de en
  • CH108309A - Compressed air press for casting precious metals. : en fr
  • FR582853A - Dry cell battery enhancements : en fr
  • CA245653A - Separable button : en fr
  • DE407738C - Manufacture of diamond drawing dies : de en
  • US1520684A - Shaving and slotting machine : en
  • US1520842A - Jack : en
  • DE407651C - Device for transmitting the tensile force exerted by a pulling element : de en
  • DE407745C - Motor drive built into the impeller : de en
  • GB226632A - A process and apparatus for drying animal and fish offal and similar spongy materials : en
  • DE407827C - Electrode lead-in for electric arc furnaces : de en
  • DK33994C - Turntable. : da en
  • CH108300A - Device for measuring the forces occurring when turning. : de en
  • DE407713C - Roller conveyor : de en
  • ES89033A1 - Improvements in equipment for preparing and producing edible plastic containers or covers for sausages. : en es
  • FR582920A - Improvements to water meters : en fr
  • US1520959A - Cake turner : en
  • US1521285A - Telephone and telegraph pole : en
  • US1521355A - Flush valve : en
  • GB226657A - Improvements in bobbin carriers for braiding machines : en
  • PL1042B1 - A method and a device for treating various bodies with gases, smoke or fire. : en pl
  • DE407824C - Water-cooled hot wind valve : de en
  • GR790B - VIRGIN ELECTRODE OF DIATHERMIA. : el en
  • CA245756A - Hypochlorite and chlorate producing apparatus : en fr
  • GB226885A - Improvements relating to reinforced concrete structures : en
  • PL1097B1 - Weaving loom. : en pl
  • GB226679A - Improvements in or relating to window channels or guides : en
  • GB227147A - Improvements in the manufacture and production of oxygenated organic compounds : en
  • CA245770A - Key case : en fr
  • CH108281A - Process for impregnating matches. : de en
  • DE407772C - Process for the crystallization of salt solutions : de en
  • DE407632C - Carousel flushing device for light bulbs and similar vacuum vessels : de en
  • DE407678C - Pull switch with slide guide : de en
  • US1521559A - Music sheet : en
  • US1520825A - Plow : en
  • US1520957A - Dental stand : en
  • GB226724A - Improvements in and relating to the fractionating of oil vapors : en
  • FR582881A - Combined hand and foot brake device applicable in particular to motorcycles : en fr
  • FR582964A - Improvements to shock absorbers : en fr
  • US1521437A - Steam generator : en
  • US1521471A - Sofa bed : en
  • CH108413A - Firearm. : de en
  • PL931B1 - Trouser tensioner. : en pl
  • US1521192A - Electroscope picture reception : en
  • US1521569A - Headlight-tilting device : en
  • US1520832A - Shirt cuff : en
  • US1520964A - Luncheon box and the like : en
  • US1521100A - Water filter and cooler : en
  • US1521405A - Automatic parcel-assorting machine : en
  • DE407696C - Caterpillar collecting and destroying device : de en
  • CA245658A - Hydro-metallurgical process for ores : en fr
  • FR582803A - Secret office : en fr
  • GR789B - BRICKING OF POWDER, CARBON, LIGNITE AND EVERY OTHER CARBON POWDER. : el en
  • US1520936A - Artificial refrigerating system : en
  • DE407766C - Serrated burner head : de en
  • GB227157A - Improvements in or connected with fluid pressure engines, compressors and the like : en
  • DE407595C - A coupling consisting of a sleeve and an arrow-like coupling member to be inserted into it, in particular for motor vehicles : de en
  • FR582954A - Process for obtaining a mortar material using blast furnace slag : en fr
  • ES90949A1 - Protectors of the mouth and teeth in boxing matches. : en es
  • US1520797A - Brake-lever bracket and guide : en
  • US1521272A - Grease-gun attachment : en
  • US1521274A - Clothes drier : en
  • GB213266A - Improvements in dyeing wool : en
  • GB226628A - Improvements in or relating to safety guards for machines such as wire stitching machines : en
  • DE407711C - Conveyor system with conveyor belts at different heights : de en
  • US1521454A - Creeper : en
  • US1520824A - Cultivator : en
  • US1520700A - Vaporizing device : en
  • US1521018A - Signaling system : en
  • US1520931A - Convertible couch bed : en
  • US1521195A - Liquid-level indicator : en
  • CA245700A - Dust collector : en fr
  • US1521435A - Baseball game : en
  • GB226874A - Improvements in or relating to carburettors : en
  • US1521025A - Anchor-bolt nut : en
  • US1520724A - Electrode of accumulators : en
  • US1520985A - Water-level indicator : en
  • PL1034B1 - Pipe cleaning apparatus. : en pl
  • FR582846A - Method of loading non-compact masses into hollow bodies and apparatus for its execution : en fr
  • US1521392A - robertson : en
  • US1521529A - Hair waver : en
  • FR582891A - Plate mounting system for inductors and armatures of electric motors : en fr
  • FR582986A - New chemical and process for obtaining it : en fr
  • US1521464A - Wrench : en
  • DE407688C - Metal sheet electroscope : de en
  • DE407714C - Insert pipe to secure the pouring and pouring openings of containers for flammable liquids : de en
  • FR582915A - Method for establishing wells or similar constructions in narrow and deep excavations in the presence of aquifers : en fr
  • DE406158C - Device for the busy indication of radio telephony stations with intercom operation : de en
  • US1520973A - Speed-regulator system : en
  • US1521123A - Coke oven : en
  • US1520765A - Door-closing device and doorcheck : en
  • US1520923A - Steam drier : en
  • US1520994A - Electron-discharge amplifier : en
  • DE407680C - Electrical switch with contacts working in an insulating liquid : de en
  • CH108179A - Railway installation. : en fr
  • US1520691A - Water-supply control for laundry machines : en
  • US1521073A - Automobile top : en
  • US1521531A - Blanket-roll support : en
  • PL1023B1 - Method of making new silver alloys with high strength. : en pl
  • US1520956A - Locomotive draft appliance : en
  • US1521061A - Duplex tractor : en
  • US1521574A - Controlling means for fabric cages for knitting machines : en
  • CA245676A - Speed indicator : en fr
  • PL963B1 - Zero body for electric light bulbs in the shape of a spiral spring. : en pl
  • CH106642A - Insulating sheath on high voltage conductors and method of making the same. : de en
  • US1520981A - Wheeled plow : en
  • US1521136A - Liquid projector : en
  • US1520758A - Vehicle brake device : en
  • US1520827A - Shipping case : en
  • PL1084B1 - Firing method, especially suitable for metallurgical melting furnaces. : en pl
  • PL980B1 - Heater for the oil, tar and other industries : en pl
  • DE407763C - Tie holder : de en
  • US1521283A - Art of refining oils : en
  • DE407608C - Aircraft wing : de en
  • US1520937A - Lifting jack : en
  • US1520922A - Boiler-pressure control : en
  • US1521084A - Pocketknife : en
  • US1521486A - Stencil : en
  • GB226714A - Improvements in or relating to steam-generators : en
  • US1521165A - Hand embroidery machine : en
  • US1521365A - Sheet feeder : en
  • GB226843A - Improvements in and relating to electric signalling systems, particularly wireless telegraphy and telephony : en
  • US1521072A - Vanity box : en
  • US1521202A - Puller device : en
  • US1521540A - Velocipede : en
  • US1521443A - Sewing machine : en
  • DE407840C - Control for reversible piston machines with rotating cylinders arranged in a star shape around the shaft : de en
  • CH108292A - Copying process for the production of naturally colored pictures. : de en
  • DE407929C - Process for pre-drying or drying substances with a high water content, in particular earthy brown coal : de en
  • PL1018B1 - A device for supplying and discharging heat accumulators containing water or other liquid, of constant volume. : en pl
  • PL1102B3 - The method of fixing the rim on the wheel. : en pl
  • CA245811A - Brake mechanism for railway cars : en fr
  • CH106802A - Device for determining the emigration of moving targets. : de en
  • CH108222A - Gearbox for driving several auxiliary pumps in steam power plants. : de en
  • CH108275A - Shoe fitting. : en fr
  • CH108361A - Connection bolts for heating resistors. : de en
  • US1521439A - Belt buckle : en
  • PL1096B1 - Method for separating asphalt and ozokerite from hydrocarbon mixtures. : en pl
  • PL979B1 - A method for removing the coke remaining in the distillation pots after distillation of mineral oil products. : en pl
  • CH107014A - Ski binding. : de en
  • CA245749A - Web folding machine : en fr
  • US1521028A - Resistor for electric furnaces : en
  • CH108182A - Pressurized fluid brake. : en fr
  • CH108383A - Bathrobe. : en fr
  • DE407342C - Process for cleaning steam boiler feed water : de en
  • CA245724A - Manufacture of axes : en fr
  • US1520830A - Packing means for the blades of steam turbines : en
  • GB226723A - Improvements relating to aerating and rousing wort in brewing and like fermentation operations : en
  • US1521110A - Skiving machine : en
  • PL934B1 - : en pl
  • CA245693A - Electric resistance welding : en fr
  • CA245775A - Incandescent lamp : en fr
  • CA245785A - Electric distribution system : en fr
  • GB226721A - Improvements in gas-heated sad or flat irons : en
  • US1521388A - Piston and piston rod of internal-combustion engines : en
  • CA245817A - Door mechanism : en fr
  • CH107075A - Single-phase collector motor for high outputs, especially for rail operations. : de en
  • US1521048A - Shoe-tree : en
  • US1521241A - Electrical insulating medium : en
  • US1521156A - Vehicle body : en
  • US1521426A - Crosshead for reciprocating machinery : en
  • US1520902A - Spare-tire lock : en
  • US1521172A - Snowplow : en
  • US1521415A - Machine for making stereotype plates for printing for the blind : en
  • CH108414A - Electrical switch responsive to temperature fluctuations. : de en
  • CH108390A - Folding sports car. : de en
  • CH108178A - Shock absorbing device for cycles and motorcycles. : en fr
  • US1520701A - Brake-shoe construction : en
  • US1521135A - Window construction : en
  • CH108303A - Beat clock with a common hour and quarter hour drive, an hour and a quarter hour scale and a common rake : de en
  • US1521474A - Trap : en
  • PL1039B1 - Lighter. : en pl
  • US1521290A - Box-car unloader : en
  • US1521517A - Hand accelerator : en
  • US1521584A - Battery charging and discharging system : en
  • CH108255A - Method and device for conveying liquids, in particular also flammable liquids, from a lower-lying collecting container by means of a vacuum generator. : de en
  • DE397509C - Safety device for hand grenades : de en
  • GB226636A - Improvements in feeding mechanism for sewing machines : en
  • US1521152A - Fold-over collar and art of making the same : en
  • US1521220A - Internal-combustion engine : en
  • DE407655C - Rotatable burner pipe for heating devices of all kinds : de en
  • GB226585A - Improvements in or relating to portable loud speaking telephonic apparatus : en
  • GB226633A - Improvements in and connected with stoppers for bottles and similar receptacles : en
  • CA245681A - Shovel : en fr
  • DE407685C - Mechanical safety device for high voltage systems : de en
  • GB226680A - Improved charm, pendant, or container for personal use : en
  • US1520729A - Illuminated sign : en
  • US1520732A - Process of coating ferric articles with a metallic protective : en
  • CA245716A - Sectional switch box : en fr
  • CH106949A - Chip filling furnace, especially for drying rooms and workshops. : de en
  • USD66321S - Design for woven fabric or similar article : en
  • PL1083B1 - Pneumatic grinding disc. : en pl
  • US1521491A - Educational device : en
  • DK34002C - Tanning Procedure. : da en
  • CH108320A - Link belt for jewelry purposes. : de en
  • US1521090A - Artificial bait : en
  • US1521226A - Centrifugal pump : en
  • CA245769A - Lubrication : en fr
  • CH108228A - Spade. : de en
  • CH108277A - Device for checking the heel line and measuring the ridge height of shoe lasts. : de en
  • GB214236A - Improvements in or relating to automatic coupling devices for railway vehicles : en
  • US1521275A - Telephone headset : en
  • CH108409A - Sole. : en fr
  • US1520716A - Wire gripper : en
  • US1520822A - Soft-fold collar and stiffening device therefor : en
  • US1520884A - Toe calk for horseshoes : en
  • CA245741A - Electric lighting installation : en fr
  • CA245799A - Printers' material making machine : en fr
  • US1520991A - Floating deck or roof for liquid storage tanks : en
  • DK34008C - Apparatus for making watermarked paper-like paper-like types of paper on paper machines. : da en
  • CH106881A - Cable termination. : de en
  • DE407831C - Register loop for harmonies : de en
  • CH108337A - Further training in internal combustion engines. : en fr
  • CH107957A - Magnetic core made of finely divided, magnetic material. : de en
  • US1520805A - Winding mechanism : en
  • CA245804A - Levelling switch apparatus : en fr
  • CA245733A - Process for the removal of hair from the skin : en fr
  • CA245661A - Bobbin handling machine : en fr
  • DE407703C - Jar : de en
  • PL1021B1 - Adhesive for joining porcelain bodies after firing. : en pl
  • US1521082A - Trunk and suitcase fastener : en
  • CA245792A - Flexible cigar bunch manipulator : en fr
  • CH106312A - Small refrigeration machine consisting of a drive motor, compressor, condenser and evaporator. : de en
  • CA245797A - Multiplex signalling system : en fr
  • PL1054B1 - Drip condenser with vertical double tubes. : en pl
  • US1520996A - Container and method of molding the same : en
  • US1521166A - Yielding pitman for looms : en
  • US1521248A - Conductor's equipment case : en
  • US1521265A - Driving tool : en
  • PL1077B1 - Method and device for pulling cotton. : en pl
  • US1520746A - Propeller : en
  • US1520948A - Machine for grinding precious stones : en
  • CA245660A - Pencil pin and clip : en fr
  • CA245798A - Abrasive cement : en fr
  • CA245687A - Railway crossing gate : en fr
  • CA245696A - Fishing device : en fr
  • PL924B1 - The method of building parts of wooden furniture. : en pl
  • US1521177A - Electrically-illuminated sign : en
  • CA6488S - Garment : en
  • US1520779A - Lamp or lantern globe : en
  • US1521076A - Loose-leaf cover : en
  • US1521400A - Exhaust eduction attachment and muffler for internal-combustion engines : en
  • US1521421A - Automatic clutching or starting device : en
  • USD66338S - Design foe : en
  • CA245744A - Non-skid device : en fr
  • GB226730A - Wood preserving compound : en
  • US1521250A - A corpora : en
  • PL971B1 - A sewing machine with a double chain stitch. : en pl
  • US1521117A - Axometer : en
  • DE407704C - Method for the mutual removal of bottle caps from the rolls : de en
  • CH108230A - Machine for spreading grass and hay. : de en
  • CH108305A - Timepiece. : de en
  • CH107503A - Chassis for transport with drawbar wagons, e.g. B. Slurry tanker. : de en
  • CH108270A - Suction cleaning device. : en fr
  • GB226757A - Improvements in centrifugal extractors : en
  • FR582879A - Hydraulic control consisting of motor and pump, more particularly for vehicles : en fr
  • US1521363A - Fabric ornamentation : en
  • US1521475A - Circulating system : en
  • CA245732A - Attachment for tooth brushes : en fr
  • DE407664C - Hand measuring device for tissue, tapes, etc. Like. With zero position : de en
  • GB226608A - Improvements in or relating to coin freed apparatus : en
  • DE407644C - Automatic starting device for explosion engines : de en
  • US1520838A - Buoyant raft : en
  • US1521341A - Work support : en
  • CA245684A - Callous remover : en fr
  • CA245670A - Lubricant : en fr
  • CA245717A - Gear wheel : en fr
  • CH107452A - Internal combustion engine. : de en
  • CH108357A - Protective device for turbo dynamos. : de en
  • US1520776A - Handle stop for autographic registers : en
  • CA245765A - Can body making apparatus : en fr
  • FR582943A - Reproductive amplifier : en fr
  • US1521157A - Carpet fastener : en
  • US1521489A - Bolt : en
  • CA245752A - Garter : en fr
  • FR582814A - Improvements made to spark plugs : en fr
  • CH108234A - Fruit collecting device. : de en
  • PL1048B1 - A method of removing caffeine from coffee beans. : en pl
  • PL951B1 - Device for winding threads at sewing machines. : en pl
  • US1520906A - leonard : en
  • US1520910A - Calling device : en
  • DK34005C - Tier transfer device for camshaft calculators with two superimposed and immediately and independently of each other from the same Adjustment device driven Result Counters. : da en
  • ES89504A1 - An improvement in the projection of silhouettes or animated views, which produce a shadow or an image projected on a curtain. : en es
  • GB226619A - Improvements in the control of electrically-driven reciprocatory apparatus : en
  • FR582991A - Fertilizers for agriculture and horticulture and process for obtaining them : en fr
  • US1521093A - Pressure vessel : en
  • FR582848A - Automatic steering rectifier : en fr
  • CA245708A - Free-flying-piston engine : en fr
  • US1520898A - Washing and wringing machine : en
  • US1521300A - Method of attaching separate borders to household linens : en
  • US1521526A - Nozzle of the ladle for steel casting : en
  • US1520761A - Cigar and method of making the same : en
  • US1520950A - Floor-board shield for automobiles : en
  • DE407716C - Preheater : de en
  • US1520823A - Process of abstracting gases from water by means of metallic filters : en
  • US1521255A - Multiple-compartment tank : en
  • CH108285A - Card file holder with drawers sliding on horizontal partitions. : de en
  • CA245691A - Massage instrument : en fr
  • CA245727A - Syringe and ampulla : en fr
  • DE407783C - Magnetic lighting dynamo that can be clamped using a strap, especially for bicycles : de en
  • DE407633C - Mercury vapor rectifier with control body flowed through by the temperature regulating means : de en
  • DE407318C - Adjustable permanent calendar : de en
  • US1520875A - Internal-combustion engine : en
  • US1521064A - Motor vehicle : en
  • US1521576A - Filter for purifying the air : en
  • PL944B1 - Installing a piston steam engine. : en pl
  • DE407752C - Gymnastics stick with a resilient insert arranged inside the stick : de en
  • DE408025C - Process to incorporate manganese into gray or cast steel or steel : de en
  • DE407582C - Floatless carburetor with two piston valves that regulate the air supply : de en
  • GB226694A - Improvements in the method of and structure for storage : en
  • US1521410A - Fulcrum and method of making same : en
  • DE407736C - Sheet metal cutting machine : de en
  • FR583000A - Two-phase and three-phase electric kettle for the instant preparation of espresso : en fr
  • PL1033B1 - : en pl
  • CH108321A - Automatic lighter. : en fr
  • FR582888A - Further training in metal tube manometers : en fr
  • PL987B1 - Equipment for obtaining wood pulp for the production of paper. : en pl
  • US1520914A - Float for float valves : en
  • DK33996C - Tile masonry with Iron Reinforcement for Walls, Doors or Walling by Safes or similar. : da en
  • FR582893A - Process for establishing chemical gelatinous compositions which are unalterable to air and to light, used for reproducing traces of any kind, and for reinforcing clichés obtained with these compositions : en fr
  • US1521209A - Wire stretcher : en
  • US1521349A - Metal feeder for linotype machines : en
  • US1521473A - Game : en
  • US1521046A - Bumper for vehicles : en
  • CH108183A - Pressurized fluid brake. : en fr
  • PL939B1 - Method and apparatus for continuous distillation and continuous separation in fractions of kerosene distillation products, other hydrocarbons, or a mixture of volatile liquids. : en pl
  • US1520839A - Electric-torch holder : en
  • CA245779A - Terminal connector : en fr
  • ES91419A1 - Improvements in carburettors or fluid mixers. : en es
  • US1521501A - Device to prevent rotation of bobbins : en
  • GB226745A - Improvements in travelling pulley blocks : en
  • US1521006A - Induction-regulator system : en
  • US1521197A - Clasp for electrical conductors : en
  • US1521397A - Mail-box attachment : en
  • US1521496A - Powder duster : en
  • PL1099B1 - Machine for punching weaving patterns. : en pl
  • ES91416A1 - Improvement of coffee mills and other similar ones. : en es
  • GB226645A - Improvements in and relating to apparatus for decarbonising the interior of cylinders of internal combustion engines, exhaust pipes and the like : en
  • US1521158A - Drilling device : en
  • US1521430A - Reenforced cement tile structure : en
  • FR582989A - New chemical and process for obtaining it : en fr
  • GB226627A - Improvements in calender rolls or the like steam heated cylinders : en
  • CH108263A - Device on a sewing machine, with a horizontally arranged socket for an electric lamp connected by a spring to a support. : de en
  • DE407863C - Injector : de en
  • PL1117B1 - The method and the machine for closing bottles or other vessels use caps. : en pl
  • PL1000B1 - Method of making copper alloys. : en pl
  • US1521087A - Light-support : en
  • FR582843A - Combination system of two lamps with three electrodes or a lamp with a resistor whose plate-filament circuits can be supplied by a variable voltage generator : en fr
  • GB226879A - A liquid fuel burner suitable for use in direct contact with a liquid, gas or vapour to be heated : en
  • US1521095A - Game : en
  • CA245697A - Rural mail box mounting means : en fr
  • FR582840A - Automobile first gear pedal hand control device : en fr
  • FR582861A - Variable weight racket for tennis : en fr
  • FR582866A - Improvements in capacitors, resistors, variometers and similar adjustable electrical devices : en fr
  • CA245782A - Electrically operated oil cup : en fr
  • FR582877A - : fr
  • GB226583A - Improved indicating device for the pressure springs used in connection with the rollers of spinning and like machines : en
  • US1521270A - Vacuum pump : en
  • US1521346A - Meat chopper : en
  • US1521357A - Automatic door : en
  • US1520704A - Piston packing : en
  • US1521545A - Sample machine : en
  • CH108346A - Apparatus forming a mothball liquefier and carburetor. : en fr
  • DE407876C - Process for the refining of primary tar oil : de en
  • DE407642C - Control device for a fuel pump, which is used to introduce liquid fuel under pressure into the combustion chambers of constant-pressure combustion engines without the use of air injection : de en
  • GB209436A - Improvements in and relating to thermal responsive switches : en
  • US1520769A - Floor-scrubbing machine : en
  • PL1059B1 - The method of obtaining feed for the production of potato starch. : en pl
  • US1521040A - Window-contorl mechanism : en
  • US1521238A - Grooving machine : en
  • US1521258A - Vehicle wheel : en
  • US1521299A - Plow : en
  • US1521562A - Electromagnetic transmission of power on vehicles : en
  • GB226650A - Improvements in electricity meters : en
  • FR582970A - Manufacturing process of artificial fish : en fr
  • CA245719A - Mine car coupler : en fr
  • DE407551C - Electric drive for high-voltage switchgear operated by means of transmission elements : de en
  • DE407640C - Seed separator : de en
  • US1520810A - Vehicle wheel : en
  • US1521099A - Automobile theft-prevention means : en
  • US1521113A - Safety pin : en
  • US1521104A - Speed changer and the like : en
  • CA245657A - Seal : en fr
  • CH108242A - Centrifugal pouring device for the production of tubes, columns etc. : de en
  • DE407675C - Electrical switch, which is controlled by means of a Bowden cable acting on a ratchet mechanism : de en
  • DE407988C - Process for processing rock salt into loose table salt : de en
  • PL985B1 - Improvement in light advertising. : en pl
  • US1521026A - Anchor bolt : en
  • US1521233A - Production of objects or bodies from cement or concrete : en
  • GB226662A - Improvements in steaming or cooking pans : en
  • GB213538A - Solvent recovery plant : en
  • GB211459A - Improvements in motion picture projection apparatus : en
  • GB226753A - Improvements in steady-rests for lathes or screw-cutting machines : en
  • GB226764A - Improvements in locking devices for bolts and nuts : en
  • PL921B1 - Steel mattress. : en pl
  • US1520806A - Supplemental lock and key device : en
  • US1520814A - Automatic weighing apparatus : en
  • FR582805A - Spring shells with airtight seals for triangle and steering ball joints of Ford cars : en fr
  • GB226876A - Improvements in power-driven mechanism for breaking pig iron, rock or other material : en
  • US1521227A - Road maintainer : en