• GB527314A - Improvements in or relating to the pasteurisation and sterilisation of bottled goods and materials for use therein : en
  • GB527606A - Improvements in gyratory crushers : en
  • US2216859A - Heat treating furnace : en
  • DE697338C - Device for automatic regulation, in particular of heating systems : de en
  • GB527387A - Improvements relating to plugs for the ends of pipes : en
  • USD122911S - Design for an instrument dial : en
  • GB527424A - Improvements in excavating or dredging apparatus : en
  • GB527438A - Improvements in and relating to the production of hosiery on straight bar knitting machines : en
  • DE697364C - e of dry rectifiers : de en
  • US2216894A - Rock bit : en
  • US2217398A - Electric discharge tube : en
  • US2217474A - Control for electrically heated appliances : en
  • USD122923S - Cigarette tray or similar article : en
  • USD122930S - Design for a display box fob neck- wear, handkerchiefs, boutonnieres, or the like : en
  • USD122954S - Design fob a push button switch : en
  • CA391755A - Liquid separator : en fr
  • DE697230C - nd swiveling chimney hood : de en
  • DE697295C - Malfunction recorder for electrical networks in which a relay dependent on the malfunction increases the speed of the recording strip : de en
  • US2216781A - Discharge control arrangement for snow removing mechanism : en
  • US2216902A - Combined carbonator and bottle filler with auxiliary counterpressure chamber : en
  • USD122933S - Radiator grille for an automobile : en
  • US2217192A - Internal combustion engine : en
  • GB527498A - Improvements in or relating to roll film photographic cameras : en
  • GB527514A - Improvements in permeability-tuned wave trap and core construction therefor : en
  • DE697360C - Koetzerspulmaschine with a sensor that scans the winding : de en
  • AT159607B - Arrangement for high frequency systems. : de en
  • US2216743A - Vapor electric device : en
  • US2216760A - Delayed action switch : en
  • US2216777A - Conche machine : en
  • US2216986A - Flue gas filter : en
  • US2217288A - Tire inflation : en
  • USRE21596E - Machine and method for twisting : en
  • US2216869A - Apparatus for treatment of metal : en
  • US2217124A - Receptacle-closing means : en
  • US2217652A - Laminating press : en
  • USD123015S - Design fob a dress ensemble : en
  • DE697361C - Wrench : de en
  • GB527469A - Improvements in bait holders : en
  • CA391728A - Propeller governor mechanism : en fr
  • US2216985A - Deposition form : en
  • US2216945A - Upset pipe joint : en
  • US2217364A - Control system for the power units of aircraft : en
  • CA391834A - Display apparatus : en fr
  • DE697276C - Process for the continuous bleaching of fine materials : de en
  • DE698418C - Device for producing internal grooves in the neck of glass vessels, in particular glass bottles : de en
  • AT159586B - Firearm. : de en
  • AT159622B - AC rectifier. : de en
  • AU137840A - Improvements in or relating to flashlight dry cells and methods of making thesame : en
  • US2217481A - Precipitator indicating system : en
  • US2217009A - Process of converting acetylenic hydrocarbons to aromatic hydrocarbons : en
  • US2217569A - Process for the production of metallic iron powder : en
  • GB527537A - Improvements in excavator buckets : en
  • AU448939A - An improved mixing valve : en
  • GB527335A - Teletypewriter apparatus : en
  • US2217252A - Process for isomerization of olefin hydrocarbons : en
  • USD123044S - Design for a dress : en
  • US2216816A - Dentifrice : en
  • US2217510A - Electrical panel : en
  • USD122929S - Design fob a shoe back : en
  • GB527284A - Locking device for windows and the like : en
  • AU347939A - Metal spraying apparatus : en
  • DE697161C - Fastening of the foot of a wooden propeller wing by screwing in a steel sleeve : de en
  • DE697214C - Daempf iron : de en
  • DE697384C - Disconnectable socket with mutual locking of the switch and the socket : de en
  • US2217370A - Screen wrapped perforated liner pipe : en
  • DE697267C - Process for the continuous production of acetylene polymerisation products consisting mainly of monovinylacetylene : de en
  • GB527298A - Improvements in or relating to adhesive sheet or tape material : en
  • DE697339C - Connection of shelf posts with the supporting structure of buildings : de en
  • GB527579A - Improvements in silicon alloys : en
  • DE697195C - Traveling grate : de en
  • US2217228A - Method of applying mirror surfaces to the interior of lamp bulbs : en
  • CA391774A - Display support : en fr
  • CA391822A - Steam purifier and skimmer : en fr
  • AU111618B2 - Improved method of manufacturing pipes or like hollow articles of reinforced concrete or like plastic material : en
  • DE697242C - Means for sealing preserving jars : de en
  • US2217187A - Electrical discharge apparatus : en
  • US2217282A - Smoking meat : en
  • US2217287A - Double-acting reciprocating pump : en
  • USD122987S - Design for abbess : en
  • AT159638B - Process for the preparation of derivatives of dyes containing at least one hydroxyl group. : de en
  • US2216905A - Treatment of distillery slop : en
  • USD122943S - Guild t-an casing or similar article : en
  • CA391748A - Ball bearing pulley : en fr
  • US2216785A - Gas expanded latex : en
  • US2216863A - Molding : en
  • US2217318A - Marshmallow whipper : en
  • US2217341A - Footwear : en
  • US2217119A - Dispersion of paracoumarone resin and process of producing same : en
  • US2217541A - Piston : en
  • CA391736A - Furnace flame-diffuser and heat-retainer : en fr
  • GB527485A - The separation of aminoacids from acid hydrolysates of proteins : en
  • CA391849A - Pressure-applying pad : en fr
  • US2217007A - Cooling jacket structure for internal combustion engines : en
  • USD122962S - Design fob a dress : en
  • US2216823A - Electric circuit controlling device : en
  • US2216942A - Glow cathode for cathode ray tubes : en
  • AT159575B - Process for the catalytic hydrogenation of aliphatic, low molecular weight oxyoxo compounds. : de en
  • AU111654B2 - Improvements in or relating to flashlight dry cells and methods of making thesame : en
  • DE697144C - Electromagnetic regulator and switch for alternators, especially on vehicles : de en
  • US2217604A - Manufacture of cane sugar : en
  • USD122913S - Power saw : en
  • DE697224C - Electrical insulating material containing polystyrene : de en
  • GB527614A - Improvements in or relating to interlocking concrete building blocks : en
  • US2216738A - Apparatus for preparing infusions : en
  • US2217325A - Machine for applying labels and the like : en
  • DE697263C - Rail contact device : de en
  • US2216733A - Machine for inserting pouring spouts into containers : en
  • US2216996A - Continuously operable machine for the expression from solids of liquids associated therewith : en
  • US2217151A - Automobile door lock : en
  • GB527297A - Improvements relating to indexing and filing equipment : en
  • GR9289B - LIGNATURE AND COAL IN COMBUSTION IN GENERAL. : el en
  • US2217343A - Massaging apparatus : en
  • US2217482A - Lightning arrester : en
  • US2217579A - Liquid level gauge unit : en
  • USD122995S - Design for a dress ensemble : en
  • AU111648B2 - Improvements relating to reflectors : en
  • US2216749A - Can straightener and method : en
  • USD122998S - Design for a dress : en
  • US2217630A - Method of preparing secondary amines : en
  • US2217010A - Process of converting acetylenic hydrocarbons to aromatic hydrocarbons : en
  • US2217029A - Stock quotation system : en
  • DE697388C - Circulation switch : de en
  • US2217595A - Electric immersion heater : en
  • US2217638A - Measuring and controlling apparatus : en
  • DE697354C - Control element for vehicle cooling water heating, especially for motor vehicles : de en
  • AU111651B2 - An improved hay, ensilage orthe like sweep : en
  • AU68640A - Improvements in or relating to circular knitting machines : en
  • GB527437A - Improvements relating to gear changing mechanism : en
  • GB527597A - Improvements in or relating to self-balanced draughting machines for drawing-boards : en
  • GR9287B - WRAPPING MACHINE ON PAPER BALLS OF MOUNTING MATCHES. : el en
  • AT159559B - Device for automatic display and recording of the date, in particular in telephone systems. : de en
  • US2217600A - Metallic car diaphragm : en
  • CA391757A - Container packaging machine : en fr
  • US2217005A - Manufacture of sheets containing mineral wool fiber : en
  • US2217202A - Percussion drill : en
  • US2217216A - Orifice plate carrier for valves : en
  • US2217260A - Sewing device : en
  • US2217479A - Damper regulator for dampers of ventilating ducts : en
  • USD123003S - Design for a window curtain : en
  • US2216947A - Nonslip attachment for shoes : en
  • US2216899A - Toy roundabout : en
  • USD123029S - Design fob a dress : en
  • GB527540A - Improvements in or relating to apparatus for washing fabrics or the like : en
  • US2216723A - Hairpin holding and dispensing device : en
  • US2217570A - Door mat cabinet : en
  • DE697209C - Method and device for packing fibrous goods : de en
  • GB527285A - Improvements in or relating to removable take-up film spool constructions for photographic still cameras : en
  • DE697246C - , for paper production : de en
  • CA391749A - Boot support : en fr
  • CA391864A - Drainage system for basement walls : en fr
  • CA391743A - Relief valve : en fr
  • GB527556A - Improvements in or relating to a support for tapered pipe or rods in wells : en
  • US2217006A - Molding composition : en
  • US2217121A - Device for supplying fastener elements : en
  • AU111637B2 - Improved method and apparatus for separating textile material from rubber : en
  • DE697298C - Internal combustion engine for dusty fuels : de en
  • AT159613B - Denaturation of the sugar used to feed bees. : de en
  • IE16116L - Sealing conductors through quartz envelopes : en
  • US2217086A - Vehicle wheel : en
  • US2217347A - Cutting bit : en
  • US2217243A - Weighing scale : en
  • US2216792A - Gas making apparatus : en
  • US2216987A - Power transmission : en
  • AU111660B2 - Improvements inthe preservation of fodder : en
  • CA391745A - Lithographer's press : en fr
  • CA391838A - High frequency oscillator : en fr
  • CA391856A - Alloy for iron and steel : en fr
  • US2217040A - Rail anchor : en
  • AU75940A - Improvements in or relating tothe cooling of gaseous mixtures : en
  • CA391739A - Saucepan spoon holder : en fr
  • GB527577A - Improvements in and relating to sheet metal bodies for cans or like containers : en
  • AU111655B2 - Improvements in or relating to air separators, and pumping apparatus and liquid dispensing apparatus including the improved air separator : en
  • DE697350C - Harness for securing the parachute to the parachute wearer : de en
  • CA391727A - Wheel flange oiler : en fr
  • CA391783A - Meat keeper : en fr
  • CA391874A - Container rimming machine : en fr
  • DE697317C - the milling mandrel with claws cast on the front : de en
  • US2217144A - Churn and beater : en
  • US2217268A - Governing apparatus : en
  • USD122939S - Design fob a dish : en
  • US2216780A - Mechanical pencil : en
  • US2216800A - Hydraulic control device : en
  • US2217299A - Inflation apparatus and control means therefor : en
  • US2217525A - Abrasive paper and process of making the same : en
  • GB527390A - Improvements in or relating to spring mountings for the rear wheels of motor cycles : en
  • AT159611B - Printing press. : de en
  • US2216776A - Aerial towed target : en
  • GB527562A - Improvements in or relating to massage apparatus : en
  • US2216862A - Fuse : en
  • US2217448A - Cathode : en
  • US2216838A - Temperature control system : en
  • US2217367A - Curtain holder : en
  • DE697115C - Drive and uncoupling device arranged between the drive machine and the drive axle of vehicles, in particular steam rail cars : de en
  • DE697220C - Device for the separate extraction of external and internal gases from horizontal chamber furnaces : de en
  • US2217584A - Article of furniture : en
  • CA391752A - Shaving device : en fr
  • CA391804A - Drainboard : en fr
  • DE697223C - Arrangement for automatic clearing of the receiving voltages supplied by a rotating DF antenna system : de en
  • AT159602B - Device for displaying landing sites for aircraft landing on firm ground or on water at night. : de en
  • AU113933B2 - Improvements inthe method and apparatus forthe manufacture of soapflakes : en
  • DE697122C - Resilient insert for mattresses, pillows, upholstered furniture or the like with a sloping surface : de en
  • DE697311C - Process for the production of feed yeast : de en
  • GB527427A - Improvements in or relating to electrical indicating apparatus : en
  • US2216828A - Power driven hack saw : en
  • US2217612A - Terpene-cyanoacyl compound and method of producing same : en
  • US2217631A - Method of producing soft synthetic rubberlike materials : en
  • US2216724A - Indication and control apparatus : en
  • US2217582A - Liquefied gas dispensing system : en
  • AU111656B2 - Land clearing and stripping shovel : en
  • GB527582A - Improvements relating to surface boxes for roads and pavements : en
  • US2216949A - Sound collecting system : en
  • US2217154A - Sound recording system and track : en
  • US2217345A - Spray booth : en
  • US2216963A - Means for cutting windows in well casings : en
  • US2216858A - Clamp : en
  • US2217185A - Gaseous discharge device : en
  • GB527340A - Improvements in fastening devices : en
  • AT159635B - Process for the production of technical rubber hoses with fabric inserts. : de en
  • US2216729A - Electric discharge system : en
  • US2217219A - Detachable plug coupler for electrical connections : en
  • USD122916S - Design fob a mechanical figure : en
  • AT159621B - Circuit arrangement for telephone systems with charge indicators. : de en
  • US2216755A - Treatment of refining sirups : en
  • US2216804A - Skiving machine : en
  • US2216900A - Ink bottle : en
  • US2217451A - Process of treating thermoplastic materials : en
  • US2217568A - Grinding mill : en
  • USD122972S - Design for a blouse : en
  • US2216956A - Resonator for telephone bells : en
  • GB527370A - Improvements in or relating to the silencing of gaseous currents : en
  • US2217138A - Electric plug : en
  • US2217416A - System for electro-optical transmission of image : en
  • US2217476A - Electric discharge apparatus : en
  • US2217576A - Folding table and seat : en
  • USD123004S - Design for a dress : en
  • DE697323C - Device for hanging up and sorting of socks provided with hanging loops : de en
  • AU122340A - r Improvements in luminescent materials andin sources of light comprising them : en
  • US2216888A - X-ray tube : en
  • US2217036A - Film reeler for cameras : en
  • US2217057A - Process for the synthesis of artificial rubber or rubberlike compounds : en
  • US2217543A - Window : en
  • AU184739A - Land clearing and stripping shovel : en
  • US2217125A - Highway marker : en
  • AT159617B - Process for the preparation of hydrocarbons. : de en
  • DE697190C - Externally controlled tubular resistance body with internal heating, housed in a gas-filled vessel : de en
  • CA391746A - Closure retaining spring : en fr
  • CA391769A - Vapour generator : en fr
  • USD122963S - Design for a sewing machine or the like : en
  • US2216964A - Coupling system : en
  • USD123028S - Design for a drzss : en
  • CA391819A - Valve for bottle filling machines : en fr
  • GB527421A - Improvements in and relating to adjustable connecting means for concentric members : en
  • GB527347A - Process for the production of articles with highly polished surfaces : en
  • GB527576A - Improvements in weighing scales : en
  • US2217478A - Speed regulator : en
  • USD122910S - Lifter foe a broiler oh the like : en
  • US2217175A - Method of testing drilling fluid : en
  • US2217473A - Temperature compensation for voltage regulators : en
  • DE697148C - : de en
  • DE697271C - Flange connection for long-split turbine housings exposed to high pressures and temperatures : de en
  • US2216825A - Building temperature control system : en
  • USD122906S - Design foe. a unitary sole and heel fob footwear : en
  • USD123039S - Design fok a dkess : en
  • USRE21597E - Service regulator : en
  • US2216931A - Ethers from reactive acid liquor : en
  • US2217539A - Torsion meter : en
  • US2216884A - Device for opening and resealing cartons : en
  • US2217455A - Package : en
  • AU113240A - Improvements relating to adjustable vehicle seat frames : en
  • DK58047C - Electric Lamp with a High Pressure Mercury Vapor Discharge Tube. : da en
  • US2217131A - Door lock : en
  • AU111666B2 - Improvements in or relating to automatic volume control circuits for radio and like receivers : en
  • CA391865A - Cellulose ester stabilization : en fr
  • US2217093A - Skull separator : en
  • US2217247A - Machine for making sandpaper and other abrasives : en
  • US2217335A - Means and process of making containers : en
  • DE697377C - Process for the production of a concentric airspace-insulated electrical line : de en
  • US2217538A - Method of making rock wool articles and apparatus therefor : en
  • GB527416A - Improvements in method and apparatus for continuously removing oleaginous and foreign substances from webs of fibrous material : en
  • US2217240A - Method and apparatus for making motion pictures : en
  • DE697378C - Process for the production of a cross-shaped spacer for star quads : de en
  • DE697312C - Gear shifting device on finishing and similar machines for textile fabrics with electric drive : de en
  • GB527398A - Improvements in or relating to means for regulating the valve gear of internal combustion engines : en
  • US2216731A - Turbosupercharger mounting : en
  • US2217058A - Means for supporting and delivering hairpins and the like : en
  • DE697182C - rail travel : de en
  • DE697260C - Flap lock for the spoon of a spoon excavator : de en
  • GB527382A - Improvements in or relating to drying chambers for clothes : en
  • GR9294B - SILENT BACKGAMMON. : el en
  • DE697393C - Pole changing device for electrical machines, especially train lighting machines : de en
  • US2216981A - Knife sharpener : en
  • USD122950S - Design for a dress : en
  • US2216719A - Vitamin : en
  • US2217295A - Cooling of propeller-shaft sterntube bearings : en
  • AU408639A - Improvements in card filing devices : en
  • GB527561A - Improvements relating to portable cookers : en
  • DE697181C - Engine mounts, in particular for motor vehicles : de en
  • DE697228C - Device for measuring, displaying and signaling the frequency of alternating voltages : de en
  • DE697135C - Bristle made of natural or artificial elastic material : de en
  • GB527466A - Means for eliminating slackness between a rotatable spindle and its bearing : en
  • US2217330A - Excess flow and shut-off valve : en
  • USD122975S - Andree dress ensemble : en
  • USD123030S - Design fob a dress : en
  • USD122896S - Design for a doll head : en
  • USD122990S - Design for a dress : en
  • GB527386A - A current collector for electric vehicles : en
  • DE697240C - Sieving machine working on the shovel principle : de en
  • CA391750A - Sprinkler head signalling device : en fr
  • AU575838A - Improvements in or relating tothe manufacture of centrifugal castings : en
  • CA391850A - Shoe machine : en fr
  • AU111661B2 - An improved milking machine pump : en
  • USD122917S - Design for an automobile grille unit : en
  • CA391837A - Magnetron amplifier : en fr
  • AU111646B2 - Variable speed motors : en
  • AU118840A - An improved hay, ensilage orthe like sweep : en
  • AT159646B - Brush and collector arrangement for electrically operated gyroscopes. : de en
  • US2217043A - Well testing tool : en
  • US2217307A - Powder box : en
  • USD122989S - Design fob a dress : en
  • USD122958S - Design for a surfacing machine : en
  • AU111617B2 - Improvement in grinding machine : en
  • GB527461A - Improvements in or relating to portable gas fires : en
  • GB527559A - Improvements relating to the wheels of perambulators and the like : en
  • DE697268C - Process for the production of straight-chain acetylene polymers in the liquid phase : de en
  • AT159644B - Projection method. : de en
  • DE697255C - Self-acting firearm with exchangeable barrel : de en
  • GB527593A - Improvements in light-reflectors for use, for example, on vehicles : en
  • GB527609A - An improved process for refining hydrocarbon oils : en
  • US2216889A - Pigment material and process of making the same : en
  • US2217551A - Fire alarm : en
  • DE697362C - Pliers : de en
  • GB527419A - Prevention of explosions and backfire in oxy-acetylene or the like burners : en
  • AU453739A - Improved method and apparatus for separating textile material from rubber : en
  • US2217076A - Boat construction : en
  • US2216914A - Grain cleaner : en
  • US2217400A - Rope clamp : en
  • US2217116A - Vehicle wheel : en
  • US2217297A - Amplifier circuits : en
  • US2216805A - Popcorn machine : en
  • US2217461A - Hydraulic brake apparatus : en
  • US2217580A - Liquefied gas dispensing system : en
  • US2216983A - Underfired coke oven : en
  • US2217232A - Ignition apparatus : en
  • US2217233A - Automobile foot pedal safety control : en
  • CA391800A - Cellulose derivative composition : en fr
  • US2216843A - Drop-out fuse : en
  • DE697347C - Roll-up device for paper or similar webs : de en
  • US2216867A - Manufacture of coloring matter : en
  • US2217322A - Coated edible product : en
  • AU111650B2 - Purifications of ketones and ketols : en
  • GB527603A - Improvements in or relating to electric dental furnaces : en
  • US2217239A - Die casting apparatus : en
  • CA391854A - Hydrocarbon manufacture : en fr
  • DE697231C - Deck chair : de en
  • DE697280C - . the like with ongoing collection of the basic fee : de en
  • DK58055C - Installations for the production of storage-resistant Flour of animal carcasses and animal waste. : da en
  • US2217048A - Magnetic work holder : en
  • US2217446A - Arc-back indicator : en
  • AT159560B - Device for automatic recording of data in telecommunication systems, in particular telephone systems. : de en
  • US2216993A - Light projection system : en
  • DE697250C - Storage of liquids, especially fuel, in air vehicles or other vehicles : de en
  • DE697369C - Trigger bar for hiking wooden pillars : de en
  • GB527359A - Improvements in or relating to multi-piston hydraulic pumps and motors : en
  • US2216837A - Process for the manufacture of saturated and unsaturated ketones of the pregnan series : en
  • US2217193A - Method of swaging blowpipe nozzles : en
  • US2217178A - Radio receiver : en
  • US2217059A - Range construction : en
  • US2217440A - Timing device : en
  • US2216882A - Method of establishing bleed lines on printing surfaces : en
  • US2216751A - Heavy metal salts of thioether carboxylic acids : en
  • GR9296B - DRY ELECTRICAL ELEMENT. : el en
  • US2217078A - Friction clutch : en
  • US2217277A - Degenerative plate circuit detector : en
  • US2217374A - Toy : en
  • USD123033S - Design for a dress ensemble : en
  • GB527478A - Improvements in or relating to processes for producing compositions or concentrates containing one or more components of the vitamin b complex, and the compositions or concentrates resulting therefrom : en
  • US2217150A - Recording machine : en
  • DE697121C - Device for cleaning and cleaning metal objects : de en
  • DE697196C - Process for improving extracts of vegetable tanning agents : de en
  • US2216772A - Telegraph transmitting system : en
  • DE697249C - Bumper connection for aircraft with collapsible surfaces : de en
  • US2217170A - Phonograph record : en
  • CA391829A - Elastic top stocking : en fr
  • US2216887A - X-ray apparatus : en
  • US2217519A - Shaving mechanism : en
  • US2217020A - Depositing machine : en
  • AT159610B - Deck chair. : de en
  • AT159604B - Hosiery. : de en
  • US2216725A - Winding machine : en
  • US2216765A - Electrical lamp connection : en
  • US2217632A - Nitriles and method of preparing the same : en
  • US2216807A - Garbage can : en
  • USD122994S - Design for a dress : en
  • US2217340A - Transmission mechanism : en
  • US2217442A - Electrical induction apparatus : en
  • US2217265A - Wood protection : en
  • AU111616B2 - Improvements in pumps : en
  • AU545939A - Improved method of manufacturing pipes or like hollow articles of reinforced concrete or like plastic material : en
  • DE697387C - Tension spring device for spring mechanisms electrical rotary switch with right and left rotation : de en
  • AT159628B - Casting plant for feeding constant amounts of metal to a number of casting molds. : de en
  • AU111633B2 - Improvements in or relating togas pressure generating cartridges forthe operation of mechanical devices, and to charges therefor : en
  • CA391802A - Ironing machine : en fr
  • US2217273A - Hosiery and method of making the same : en
  • USD122957S - Design fob a chair : en
  • USD123042S - Design for a child s dkess : en
  • US2217172A - Drawing press and process : en
  • GB527299A - An improved solvent extraction process : en
  • US2216826A - Moistureproof sheet material and moistureproofing composition : en
  • DE697118C - Closure flap for ash funnel : de en
  • DE697341C - Device for measuring the tank content, especially for aircraft : de en
  • AU449039A - Process for the production of electric oscillations : en
  • GB527329A - Improvements relating to railway and like axle bearings : en
  • US2216960A - System for making and projecting stereo films : en
  • US2217445A - Device for aiding osteopathic manipulators : en
  • DE697313C - of chlorobenzene and water : de en
  • DE697342C - Self-seller with a device for returning coins that have already been inserted : de en
  • US2217082A - Rubber bearing universal joint : en
  • US2216809A - Heater and thermo control therefor : en
  • US2217406A - Voltage regulator : en
  • US2217496A - Connector : en
  • AT159566B - Process for the production of a water-soluble, solid mixture of alkali silicates and alkali acetates. : de en
  • AU111653B2 - An improved electric fitting : en
  • CA391732A - Lathing : en fr
  • DE697287C - Pattern piercing device : de en
  • GB527408A - Improvements in polyvinyl resin compositions : en
  • GB527502A - Improvements in or relating to fittings for wire ropes : en
  • US2217054A - Lock : en
  • US2216801A - Internal combustion engine : en
  • US2217642A - Measuring apparatus : en
  • US2217471A - Automobile battery charging system and flat rectifier therefor : en
  • AU111699B2 - Coupling devices : en
  • US2217375A - Humidifier : en
  • USD122919S - Design for a piano case : en
  • AU34640A - Improvements in or relating to beverage brewing devices : en
  • CA391867A - Crutch : en fr
  • GB527491A - Outdoor liquid fuel burners : en
  • US2216984A - Cooking utensil : en
  • US2216999A - Lug strap construction : en
  • US2217645A - Projectile : en
  • US2216790A - Power mowing machine : en
  • GB527345A - Cut-off valve for sand blast and the like : en
  • GB527431A - Improvements in liquid fuel burners : en
  • AT159600B - Switching device for three-phase networks connected by star-delta transformers. : de en
  • GB527305A - Improvements in and relating to means for reciprocating printing press beds : en
  • CA391810A - Fender skirt mounting : en fr
  • US2216865A - Treatment of drilling fluids : en
  • US2217302A - Radiator and radiator shutter assembly : en
  • US2217353A - Golf bag : en
  • US2217372A - Urea-formaldehyde resins : en
  • US2216886A - Holder : en
  • CA391784A - Synchronous motor relay system : en fr
  • CA391792A - Display case : en fr
  • US2217189A - Process of preparing photographic prints : en
  • US2216829A - Electrical system : en
  • US2216927A - Noose supporting device for snaretype traps : en
  • US2217342A - Time or speed controlled delayed action relay for strip material classifiers : en
  • US2216813A - Metal cased refractory : en
  • USD123032S - Design fob a dress : en
  • US2216938A - Roller cutter : en
  • AU453439A - Improvements relating to feedback phase modulation receivers : en
  • US2216853A - Ball teeing device : en
  • CA391828A - Hydraulic transmission gear : en fr
  • GB527369A - Manufacture of chromable dyestuffs of the triarylmethane series : en
  • GB527504A - Central-heating boiler : en
  • GB527436A - Control devices of an electrical magnitude such as a potential : en
  • AU154441A - Improvements inthe method and apparatus forthe manufacture of soapflakes : en
  • US2217449A - Ground working implement : en
  • CA391852A - Shoe sole shaping machine : en fr
  • AT159553B - Shielding for electrical lines. : de en
  • CA391818A - Vehicle wheel mounting : en fr
  • CA391847A - Spring catch : en fr
  • GB527378A - Improvements in or relating to suspending curtains : en
  • CA391811A - Brake lever : en fr
  • CA391855A - Alloy for iron and steel : en fr
  • US2216990A - Mechanical movement : en
  • US2217508A - Railway traffic controlling apparatus : en
  • US2217158A - Multiplying machine : en
  • USD122924S - Design fob a goblet ok similar article : en
  • USD123025S - Design for a buckle : en
  • GB527456A - Improvements in or relating to landing gear for aircraft : en
  • GB527615A - Apparatus for applying extended surface elements to the tubes of heat exchange devices : en
  • US2216739A - Welding apparatus : en
  • US2217184A - Building unit and building : en
  • US2217585A - Safety cord lock : en
  • CA391836A - High frequency amplifier : en fr
  • CA391841A - Ammono alcohol : en fr
  • DE697213C - Drum washing machine : de en
  • US2216968A - Method for refining lubricating oil distillates : en
  • US2217319A - Roast, cake, and pie lifter : en
  • DE697113C - Machine for cutting, lifting and conveying peat sod : de en
  • DE697172C - hes in refining iron ores mixed with aggregates and blast furnace to carry out the process : de en
  • DE697374C - Process for digesting phosphates : de en
  • AT159634B - Process for the production of threads u. Like. Made of rubber or rubber-like materials. : de en
  • US2217509A - Gauge : en
  • DK58058C - Procedure for Making Transfer Posters. : da en
  • GB527583A - Improvements relating to conducting-liquid switches : en
  • GR9295B - METHOD OF RECYCLING AND REUSE OF OLD MATERIALS OF ASPHALT COATINGS OF ALL TYPES, IN COLD. : el en
  • GB527349A - Improvements relating to electrical systems for controlling temperature : en
  • DE697143C - Device for continuous remote transmission of changeable angular positions : de en
  • DK58054C - Process for the preparation of fluorine-containing salt mixtures for wood preservation. : da en
  • US2216923A - Planting machine : en
  • DE697314C - Permanent magnet steel : de en
  • US2217624A - Vacuum cooker : en
  • US2217321A - Beam antenna : en
  • USD123007S - Design for a dress : en
  • AT159570B - Process for the production of highly stable cellulose fatty acid esters. : de en
  • DE697183C - Method for breeding fat-forming microorganisms on surfaces : de en
  • US2216881A - Direction signal switch : en
  • US2217547A - Concentrating and dehydrating apparatus and method : en
  • US2216979A - Dowel pin cap : en
  • US2217626A - Method of and apparatus for testing fibrous textile materials : en
  • AU111620B2 - Improvements in or relating to circular knitting machines : en
  • CA391756A - Clutch : en fr
  • CA391765A - Heat exchanger : en fr
  • US2216791A - Foam bath apparatus : en
  • AT159582B - Process for the production of capacitor electrodes. : de en
  • CA391853A - Shoe upper shaping machine : en fr
  • AT159588B - Automatic temperature control device for railway vehicles heated with any heating medium. : de en
  • CA391761A - Vacuum cleaner nozzle : en fr
  • US2217562A - Metal street light shade : en
  • US2217141A - Hydraulic brake control : en
  • USD122903S - Design for a lighting fixture : en
  • CA391832A - Surface decorating mechanism : en fr
  • USD122914S - Power saw : en
  • GB527450A - A new or improved portable wind screen or shield for personal use : en
  • US2217101A - Sinker support for fishing lines : en
  • US2217129A - Fluid-flow governor : en
  • DE697119C - Medical examination equipment : de en
  • DE697367C - Cutter head for milling the end faces of bearings : de en
  • AU111639B2 - Improvements in rock crushers : en
  • US2217039A - Printing and reproduction plate : en
  • GB527341A - Improvements in doors for bomb-proof shelters : en
  • US2217469A - Heat transfer unit : en
  • US2216839A - Interlocking sleeve coupling : en
  • US2217348A - Bit and holding means therefor : en
  • US2217409A - Cathode ray control apparatus : en
  • USD122956S - Design for a shoetree : en
  • CA391742A - Changeable sign : en fr
  • AU456239A - Coupling devices : en
  • US2217055A - Scaffold : en
  • US2217588A - Production of motor fuel : en
  • CA391851A - Shoe last removing machine : en fr
  • US2217173A - Stabilized high film strength lubricating oil : en
  • US2217618A - Hydraulically operated grinding machine : en
  • AT159574B - Safety device on apparatus for distilling volatile solvents. : de en
  • AT159631B - TV broadcast facility. : de en
  • CA391823A - Pigment suspension : en fr
  • US2217410A - Heat exchange apparatus : en
  • US2217454A - Greeting or advertising card device : en
  • US2217614A - Terpene-cyanoacyl compound and method of producing same : en
  • US2217068A - Luggage compartment for railway cars : en
  • US2217407A - Joint for flexible arms : en
  • DE697330C - DC switchgear with circuit breakers : de en
  • GB527602A - Improvements in apparatus for receiving television and like signals : en
  • DE697129C - Exciter arrangement for the generator of gas-electric vehicles : de en
  • GB527448A - Improvements in mechanical refrigerating apparatus : en
  • GB527452A - Improvements in or relating to regenerative air-heaters and like heat-exchangers : en
  • GB527486A - Improvements in or relating to multi-piston hydraulic pumps and motors : en
  • GB527418A - Improvements in or relating to fuel-injection devices for internal combustion engines : en
  • DE697373C - Process for digesting phosphates : de en
  • DE697359C - Saw tooth fitting for lickerin u. Like. on cards : de en
  • GB527334A - Improvements in or relating to closet seats and cove : en
  • GB527366A - Manufacture of improved lubricating materials : en
  • DE697141C - Process for the production of storable, easily dispersible urea : de en
  • US2216832A - Apparatus for extruding tubes : en
  • US2216953A - Split sleeve valve : en
  • US2217262A - Light inspection or display device : en
  • AT159558B - Signaling devices in telecommunications systems. : de en
  • DE697167C - Extendable sword for underwater sound devices : de en
  • DE697274C - High-current slide disconnector : de en
  • US2217218A - Light signal for railroads : en
  • US2217254A - Means for automatic control of aircraft : en
  • USD122959S - Heat retaining nursing bottle holder : en
  • GB527346A - Improvements in apparatus for projecting granular material : en
  • US2216944A - Meter construction : en
  • US2217629A - Automatic control means for dredge buckets : en
  • US2217134A - Multiple filament lamp : en
  • US2217182A - Apparatus for and method of circulating molten glass in a feeding container : en
  • US2217514A - Dish : en
  • US2217094A - Tension device : en
  • US2217188A - Radio antenna : en
  • DE697236C - Deposit for hats : de en
  • GB527589A - Improvements in filters : en
  • AU450639A - Improvements in pumps : en
  • CA391872A - Fluid dispenser : en fr
  • US2217211A - Rotary pump : en
  • US2217537A - Transmission means : en
  • CA391825A - Titanium bearing siliceous mineral beneficiating method : en fr
  • US2217380A - Valve structure : en
  • US2217594A - Fluid heat exchange apparatus : en
  • AU476539A - Improvements inthe preservation of fodder : en
  • US2217369A - Plasterer's implement : en
  • US2216939A - Rotary gas and oil separator : en
  • US2217174A - Vacuum cleaner : en
  • US2217494A - Method of making coupon receptacles with closure locks : en
  • US2217257A - Evaporator : en
  • US2217417A - Electron discharge apparatus : en
  • USD122931S - Design for, an air filter : en
  • DE697124C - Process for protecting tannin solutions used in gas purging devices against freezing : de en
  • DE697261C - Suction dredger head with a bucket wheel fitted with several buckets : de en
  • AU78040A - Variable speed motors : en
  • US2216868A - Manufacture of coloring matters : en
  • US2217085A - Process of making packing material : en
  • CA391858A - Substandard sound film and apparatus : en fr
  • GB527499A - Process for the manufacture of water-soluble, injectable compounds of sulphanilic acid amides : en
  • AU450939A - Improved head and eye guard for sheep : en
  • US2217070A - Food handling apparatus : en
  • US2217441A - Quench chute for heat-treating furnaces : en
  • US2217517A - Shoulder strap : en
  • CA391820A - Hatch cover fastener : en fr
  • US2217293A - Receiver tuning control : en
  • AU111668B2 - Improvements in or relating to modulation systems : en
  • AU119040A - An improved process for the preparation of charcoal briquettes : en
  • CA391789A - Welding system : en fr
  • CA391809A - Fender skirt mounting : en fr
  • US2217072A - Slip supporting device : en
  • US2217399A - Control system : en
  • USD122947S - Design for a fan greasing machine : en
  • CA391785A - Photo-sensitive apparatus : en fr
  • AU110986B2 - Improvements in or relating tothe manufacture of centrifugal castings : en
  • AU403739A - Vitamin and process of obtaining same : en
  • DE697177C - Device for vibration damping : de en
  • AU452239A - Apparatus for facilitating the installation of electricity services and the fixing, removal and testing in situ of electricity meters : en
  • CA391868A - Air conditioning system : en fr
  • CA391781A - Rectifier auxiliary electrode : en fr
  • CA391845A - Centrifugal fan : en fr
  • US2216734A - Phenolphthalein compounds and methods of producing the same : en
  • US2216995A - Deposition form : en
  • DE697376C - ungen : de en
  • GB527300A - Improvements relating to reels for strip metal : en
  • US2217546A - Electric resistance welding : en
  • AU16240A - Improved advertising apparatus : en
  • US2216878A - Method of forming detents : en
  • US2217215A - Gravel packing for wells : en
  • GB527578A - Improvements in connectors or clamps for tubes or rods : en
  • US2217200A - Bearing : en
  • USD122895S - Combination support and snuffer for cigarettes : en
  • CA391759A - Chlorine production : en fr
  • USRE21595E - Undergarment : en
  • US2216875A - Building block construction : en
  • DE697343C - Self-seller for electricity or the like with an electric motor for the default factory reset : de en
  • DE697179C - Device for uniform irradiation of flat objects moving relative to the light source : de en
  • US2217118A - Pulverizer : en
  • US2217066A - Station preselector : en
  • GB527596A - Improvements in and relating to fare indicators for vehicles : en
  • US2217646A - Wheel mounting : en
  • US2216925A - Reversing valve : en
  • US2217324A - Spraying device : en
  • US2217389A - Panel fastening device : en
  • GB527393A - Improvements in and relating to aircraft : en
  • DE697067C - Process for the extraction of rhenium : de en
  • DE697345C - Grow cabinet : de en
  • GB527403A - Improvements relating to small arms : en
  • GB527407A - Improvements in and relating to synthetic resinous compositions : en
  • US2217443A - Electric valve circuits : en
  • GB527594A - Improvements relating to shutters or screens for sky-lights or roof-lights : en
  • US2217338A - Golf club : en
  • GB527479A - Improvements in or relating to the preparation of a soap : en
  • US2217610A - Method and means for operation of vapor generators : en
  • DE697322C - : de en
  • AT159561B - Circuit for telecommunication, in particular telephone systems. : de en
  • AT159649B - Windshield cleaner for automobiles. : de en
  • DE697189C - Delivery device for the printing products from rotary printing machines coming from the folding unit : de en
  • GB527613A - Improvement in fuel cock assembly : en
  • GB527361A - Improvements in or relating to registers, indexes and the like and/or to binders therefor : en
  • GB527503A - A new or improved method for obtaining medicinal substances from the sap of conifers : en
  • GB527460A - Improvements in chassis frames for rear engined vehicles : en
  • USD122920S - Design for a piano case : en
  • DK58051C - Method of Manufacture of Radioactive Textile Fabrics. : da en
  • GB527445A - Injection nozzle for gas-producer and gas-producer adapted to use said nozzle : en
  • US2217100A - Cotton sampling knife : en
  • USD122991S - Design for a dress ensemble : en
  • US2216740A - Wiring terminal for electrical fittings : en
  • USD122951S - Design for a dress : en
  • GB527617A - An improved dish cover : en
  • US2216893A - Concentric conductor transmission line : en
  • US2217213A - Apparatus for removing articles from molds : en
  • CA391729A - Scraper carrier : en fr
  • CA391798A - Blowpipe : en fr
  • US2217090A - Method of making multilayer pressure vessels : en
  • AT159639B - Heat-resistant electrode inlet for vacuum discharge vessels with a metal vacuum vessel. : de en
  • US2217259A - Cage for roller bearings : en
  • US2217606A - Cellular rubber and method of making the same : en
  • USD123001S - Design for a lace stocking : en
  • DE697235C - Top box for feed silos : de en
  • US2217563A - Fluid dispenser : en
  • GB527342A - Improvements in or relating to guns with a wheeled carriage : en
  • GB527455A - Improvements in or relating to oil burning stoves and heaters : en
  • DE697084C - ric potential results of the heart from more than two patient leads : de en
  • DE697252C - Friction clutch, especially for motor vehicles : de en
  • AT159608B - Advertising device with fluorescent tubes. : de en
  • GB527373A - Method of and machine for the manufacture of moulds for moulding the interlocking members of sliding clasp fasteners : en
  • GB527420A - Improvements in or relating to machines for sorting goods : en
  • GB527441A - Improvements in automatic telephone systems : en
  • GB527604A - Improvements in or relating to the cups and dips of gasholders and like containers : en
  • DE697320C - Spun concrete body for protective rooms and part of the shelter using this spun concrete body : de en
  • US2216783A - Vacuum moistening process : en
  • US2217037A - Driving mechanism : en
  • US2217328A - Temperature responsive device : en
  • US2217635A - Control system : en
  • DE697334C - Method for determining the direction of magnetic or electromagnetic fields, especially for inductor compasses, direction finders with rotating frames and the like. like : de en
  • GB527339A - Improvements in screw pumps or screw motors : en
  • US2216916A - Indicating caliper : en
  • DE697286C - Milk can washing machine : de en
  • GB527565A - A direct process for producing acetyl cellulose soluble in various organic solvents : en
  • DE697284C - Flash lamp : de en
  • US2217581A - Liquefied gas dispensing system : en
  • AT159620B - Process for the production of codensation products containing sulfuric acid residues. : de en
  • US2217346A - Method of manufacturing lugged pottery ware : en
  • US2217565A - Intermittently flashing illuminated fishing lure : en
  • US2217368A - Method of renovating used oil and systems containing same : en
  • US2217430A - Water-cooled stator for dynamoelectric machines : en
  • US2217197A - Cathode ray device : en
  • US2216924A - Tracer for duplicating machines : en
  • US2217248A - Metallic window construction : en
  • CA391735A - Liquid cooler : en fr
  • US2216742A - Material handling device : en
  • US2217153A - Apparatus for drying : en
  • US2217242A - Illuminating device for telephones : en
  • CA391805A - Bi-metallic ice rack : en fr
  • US2216730A - Measuring device : en
  • US2216898A - Process of making dividing bars : en
  • US2217015A - Electrolytic process for the preparation of printing cylinders : en
  • US2217169A - Machine for forming solid carbon dioxide : en
  • US2217204A - Process and apparatus for conditioning air and other gases : en
  • US2216744A - Wringer : en
  • US2217394A - Method and apparatus for testing hearing : en
  • US2217559A - Extractor : en
  • US2217168A - Electron discharge device : en
  • CA391806A - Slip coupling drive assembly : en fr
  • US2217316A - Plate stack heat exchanger : en
  • AT159583B - Method and device for regulating the fuel supply in internal combustion engines. : de en
  • GB527294A - Improvements in shaft couplings for machine tools and other machinery or mechanism : en
  • GB527406A - Improvements in and relating to appliances for moulding balls and similar hollow rubber articles : en
  • GB527353A - Improvements in photoelectric cells and methods and means for making, sensitizing, and stabilizing the same : en
  • GB527557A - Improvements in devices for joining film ends : en
  • US2217540A - Apparatus for the production of steel : en
  • GB527536A - Improvements in or relating to tobacco pipe bowl scrapers : en
  • US2217098A - Lock : en
  • USD122886S - Design for a tie clip : en
  • US2216831A - Chain repair link : en
  • US2217466A - Composition of matter for water treatment : en
  • US2217263A - Process for conducting exothermic reactions : en
  • US2217355A - Electric filter : en
  • US2217623A - Antenna system : en
  • USD122967S - Combined automobile grille guard and lamps : en
  • AU152240A - Improvements in or relating to air separators, and pumping apparatus and liquid dispensing apparatus including the improved air separator : en
  • CA391775A - Foot controlled washfountain : en fr
  • AT159568B - Process for the production of ethers. : de en
  • CA391842A - Ground fixation with bitumen : en fr
  • CA391779A - Oil paint for wet surfaces : en fr
  • US2217112A - Method of hulling oats and like kinds of grain : en
  • USD122986S - Design fob a dress : en
  • US2216717A - Protecting cap for the valves of pressure gas bottles : en
  • US2217195A - Calculating machine : en
  • US2217384A - Protective system for furnace crowns : en
  • AT159576B - Device for inserting hose heads into the shuttle of looms. : de en
  • CA391760A - Vacuum cleaner nozzle : en fr
  • US2217356A - Mineral oil distillation : en
  • DE697256C - Recoil loader with sliding barrel and locked breech : de en
  • GB527444A - Improvements in or relating to index files for loose papers : en
  • CA391835A - Bonded surface layer : en fr
  • US2217424A - Radio transmitting arrangement : en
  • US2217381A - Lister furrow dammer : en
  • US2217598A - Process for refining sugar : en
  • US2216794A - Separable end stop for slide fasteners : en
  • US2217083A - Ice rink construction : en
  • US2216754A - Treatment of sugar solutions : en
  • US2216941A - Resin and process for its preparation : en
  • GB527517A - Improvements in or relating to the mounting of windows : en
  • US2217166A - Flush valve : en
  • DE697153C - Free piston machine with fuel injection depending on the compression pressure : de en
  • DE697208C - Process and winding machine for the production of tubular coets with a hollow conical beginning : de en
  • AT159612B - Machine for removing the fish meat from the bone structure. : de en
  • USD122979S - Design for a dress : en
  • DE697193C - Movable welding machine for electrical resistance welding in the form of pliers : de en
  • CA391730A - Kitchenette drier : en fr
  • GB527546A - A valve device for use in converting an internal combustion engine cylinder into a pump : en
  • CA391840A - Amplifier network hum reducing means : en fr
  • USD122909S - Design fob a lighting fixture : en
  • AT159626B - Process for the preparation of alkoxyalkyl derivatives of carbohydrates of the type (C6H10O5) n. : de en
  • CA391776A - Screw-driver : en fr
  • US2217561A - Winding machine : en
  • US2217633A - Course indicating device : en
  • AT159637B - Gas-filled electric light bulb. : de en
  • DE697275C - Arrangement for darkening when there is a risk of air by switching all the lighting in a house, factory, factory premises or the like to the light prescribed in the case of a risk of air : de en
  • US2217544A - Method of treating photographic material to obtain colored pictures : en
  • USD122897S - Design for a ribbon roller : en
  • CA391803A - Drainboard : en fr
  • US2217063A - Bowling alley : en
  • USD122918S - Design foe a piano case : en
  • DE697207C - Reflex reflector with rotationally symmetrical, reflective surfaces : de en
  • US2217031A - Folding table : en
  • US2217464A - Magnetically operated disk-type brake : en
  • US2217566A - Insecticide : en
  • USD122970S - Design for a surfacing machine : en
  • CA391740A - Green forage dehydrator : en fr
  • AU136340A - Improvements in and relating to articles of wholly or partly tempered glass : en
  • USD122900S - Design for a combined bottle and stopper : en
  • GB527507A - Improvements relating to power driven road vehicles having twin rear wheels : en
  • US2217405A - Claw film feeding means : en
  • USD122946S - Cabinet for remote controit apparatus : en
  • US2216933A - Solvent treating process : en
  • US2217279A - Acoustic apparatus : en
  • US2217133A - Machine for the multicolor printing of textile fabrics : en
  • DE697120C - Catheter holder : de en
  • US2216976A - Colorimeter : en
  • DE697176C - Linkage of the secondary connecting rods to the main connecting rods of internal combustion engines in which several pistons work on one crank pin, in particular radial engines with the same cylinder axis angles : de en
  • DE697202C - Folding photographic camera with photoelectric light meter : de en
  • GB527306A - Hoods for golf-bags : en
  • DE697233C - Liquid heater with a basket-like grate burner : de en
  • DE697166C - Can opener with swiveling knife : de en
  • US2216908A - Industrial diamond wheel : en
  • US2216935A - Step-up mechanism : en
  • US2216988A - Depth stop for countersinking, boring, drilling, and similar devices : en
  • US2217534A - Means for treating cloth : en
  • DE697149C - or the like : de en
  • US2216892A - Refrigerator window : en
  • AU114140A - Purifications of ketones and ketols : en
  • GB527531A - Improved means for securing a motor vehicle bonnet in the open position : en
  • GB527454A - Improvements in or relating to whale cooking boilers : en
  • GB527600A - Improved filling heads and nozzles for bottling liquids : en
  • US2217377A - Combination leather and fabric glove : en
  • USD122893S - Combined cigarette holder and protector : en
  • DE697139C - Process for the recovery of phenols in the extraction of oils with phenols : de en
  • DE697371C - Wear sleeve for blow and flush displacement pipes : de en
  • DE697098C - Process for sensitizing halogen silver emulsions containing dye-forming agents : de en
  • GB527459A - Machine for fastening sheets of paper together : en
  • DE697277C - Process for the decomposition of liquid hydrocarbon mixtures : de en
  • GB527564A - Improvements in or relating to electric signal transmission systems : en
  • USD122905S - Combined ashtray and cigarette rest : en
  • US2217165A - Sound-deadening material : en
  • US2217447A - Transmitter : en
  • GB527457A - A peripheral brake for the paper supply rolls of printing machines : en
  • GB527574A - Improvements in apparatus for spraying liquids : en
  • DE697216C - Process for the production of flashed glass : de en
  • DE696473C - Device for evenly applying the mortar to wall panels : de en
  • DE697253C - Joint for connecting two shafts, especially in motor vehicles : de en
  • GB527348A - Improvements relating to record filing systems : en
  • GB527357A - Improvements relating to high voltage insulators : en
  • AT159598B - Three or polyphase transformer. : de en
  • IT383429B - : it
  • DE697212C - Sound absorbing installation for compressed air tools : de en
  • GB527376A - Improvements in surgical and medical plasters, tapes, bandages and the like : en
  • US2217135A - Extruding die : en
  • US2217149A - Vanity box or case : en
  • US2217462A - Circuit breaker : en
  • US2217641A - Control system : en
  • DE697211C - Shuttle : de en
  • DE697282C - Connection piece for taking photographs with the help of binoculars : de en
  • US2217379A - Cooling device : en
  • DE697127C - Stapling device, machine, pliers, hammer or the like with spring-loaded slider for the row of staples : de en
  • US2217255A - Gyroscope : en
  • USRE21598E - Radio receiver : en
  • DK58050C - Device for vertical retort furnaces for gasification of coal or similar materials. : da en
  • US2216750A - Method of spotting crown caps : en
  • US2217278A - Tie means for concrete forms : en
  • DE697234C - Toothed ring dowel : de en
  • GB527323A - Improvements in or relating to electrolytic condensers : en
  • US2217453A - Hoist : en
  • DE697310C - Clothes band : de en
  • GB527500A - Improvements relating to fastening means for driving belts : en
  • DE697335C - Jacquard raschel machine with displacer pins : de en
  • US2216912A - Scaffold machine : en
  • GB527310A - Improvements in or relating to television systems : en
  • GB527528A - Improvements in or connected with stereogoniometer plotting apparatus for use in photographic survey : en
  • GB527352A - Improvements in, and connected with, radiant heat tubes : en
  • GB527551A - Improvements in or relating to venetian blind ladder webbing and the like : en
  • GB527392A - Improvements in or relating to looseleaf books provided with binding means or elements therefor : en
  • US2217286A - Coal washing machine : en
  • USD122952S - Design for a uniform : en
  • US2216926A - Bearing for crushers : en
  • US2217191A - Printing machinery : en
  • US2217244A - Weighing scale : en
  • US2216770A - Method of making metal powders and product : en
  • US2217217A - Venetian blind slat : en
  • DE697197C - of thermoformable masses : de en
  • GB527571A - A new or improved date indicator : en
  • US2216789A - Bedside table attachment : en
  • DE697379C - Process for the production of Krarupadern with a spinning of several layers of magnetizable materials isolated from each other by inorganic insulating materials : de en
  • US2216921A - Method and apparatus for introducing solids into a pressure system : en
  • US2217264A - Protein preparation : en
  • US2217145A - Saw sharpening machine : en
  • US2217486A - Tool : en
  • US2216833A - Method of forming handle bar and the like : en
  • US2217018A - Visible record equipment : en
  • US2217227A - Interlocking system for railroads : en
  • US2216922A - Method of making grommets : en
  • US2217113A - Synthetic wool : en
  • US2217221A - Carriage for accounting machines : en
  • US2217431A - Totally enclosed dynamoelectric machine : en
  • CA391817A - Nickel alloy : en fr
  • DE697184C - Process for dyeing mixed webs or mixed fabrics made from natural cellulose fibers and fiber fibers and animal fibers : de en
  • AT159569B - Process for the esterification of cellulose. : de en
  • US2216756A - Activated carbon and process of making the same : en
  • US2217276A - Electric conductor : en
  • US2217017A - Temperature controlled water mixer : en
  • USD122938S - Design for a hair ornament or the like : en
  • US2217332A - Power transmitting device : en
  • GB527401A - Improved apparatus for conditioning air by treatment with liquid : en
  • DK58046C - Rheostat. : da en
  • GR9292B - TUBE CAST IRON GRILL BOILERS. : el en
  • DE697186C - Manufacture of carbon disulfide : de en
  • USD123014S - Design for a dress : en
  • GB527465A - Improvements in rate of change of pressure responsive instruments : en
  • US2217223A - Play yard : en
  • DE697352C - Device for generating suction for measuring instruments on aircraft through the air wind : de en
  • GB527318A - Method and apparatus for preparing concentrates of sap : en
  • GB527433A - Improvements in or relating to electron discharge devices : en
  • DE697158C - Process for making lenticular films for color reproduction : de en
  • DE697174C - Resistance body made of semiconductor materials : de en
  • GB527351A - Improvements in or relating to bearing mounting : en
  • GB527622A - A combined toothbrush and toothpaste container : en
  • DE697366C - circulating combustion air : de en
  • US2216786A - Packing machine for containers and the like : en
  • GB527493A - Improvements in and relating to colour forming developers and process of colour development : en
  • GB527584A - Apparatus relating to jute or the like spinning machines : en
  • GR9290B - ELECTRICAL BATTERY INSULATIONS. : el en
  • US2217418A - Electric discharge tube : en
  • US2217452A - Controlled cooling in a heat treating process : en
  • CA391791A - Electric vapour converter device : en fr
  • CA391801A - Synthetic fibre manufacture : en fr
  • DE697017C - Edge trimmings and zigzag trimmings to make the same : de en
  • GB527471A - Improvements relating to wrapper carrier mechanism for cigar making machines : en
  • US2217270A - Production of colored or pictorial designs : en
  • US2217064A - Electrical switching system : en
  • US2217087A - Steam heating system : en
  • DE697126C - Tension lever lock, especially for loading boxes of trucks : de en
  • GB527434A - Improvements in electric switches and operating gear therefor, particularly applicable to the control of two or more electric motors : en
  • GR9293B - RAILWAY EASY TO CHANGE AND SILENT. : el en
  • AU43040A - Improvements in eddy current electro magnetic machines : en
  • DE697389C - Electrical thermal circuit breaker : de en
  • USD122996S - Design for a dress : en
  • CA391844A - Hydrocarbon oxidation : en fr
  • DE697333C - Transducer : de en
  • US2216876A - Supporting device : en
  • GB527428A - Improvements in or relating to the production of sulphur-containing condensation products : en
  • US2216820A - Remote control system : en
  • US2217003A - Curtain stretcher : en
  • GB527365A - Improved process for producing endless sound-recording tapes : en
  • GB527530A - Improved guide tabs for index cards : en
  • US2216978A - Process for producing pregnanone compounds : en
  • US2217414A - Time switch mechanism : en
  • US2217308A - Alignment device foe x-kay machines : en
  • US2217317A - Automobile jacking device : en
  • US2217615A - Terpene-cyanoacyl compound and method of producing same : en
  • US2217620A - Method of and apparatus for printing : en
  • US2216736A - Photographic film : en
  • US2217637A - Control system : en
  • US2217530A - Highway guard : en
  • GB527356A - Improvements in and relating to machines for forming toothed rings or circular racks : en
  • USD123035S - Design for a dress ensemble : en
  • USD123045S - Design for a dress ensemble : en
  • US2216928A - Metal cleaner : en
  • DE697315C - Device for generating ultra-high frequency vibrations with glow cathode tubes : de en
  • DE697142C - Automatic spatula for ice cream drums : de en
  • DE697132C - Process for the production of molded articles from polystyrene : de en
  • DE697264C - Pump with rotating liquid ring for pumping gases : de en
  • USD122928S - Air conditioning control : en
  • US2217041A - Measured service telephone system : en
  • USD123027S - Design for a wallpaper : en
  • GB527542A - Improvements in or relating to partitions for vehicle bodies : en
  • US2217256A - Bowling alley appliance : en
  • US2216830A - Container for prevention of heat and cold transfer : en
  • GB527554A - Improvements in or relating to scoring devices for games : en
  • US2217564A - Combined air-speed indicator and rate-of-climb indicator : en
  • GB527391A - Process for the generation of acetylene : en
  • US2217489A - Guiding gib for lower edge of elevator doors : en
  • DE697309C - Process for opening up mutually entwined objects by means of impact : de en
  • DE697111C - Automatic turning and estate key arranged on the drill bit : de en
  • DE697134C - Bearing shell made of synthetic resin : de en
  • DE697308C - Rocker slide with drives : de en
  • GB527301A - Improvements in receivers or amplifiers for radio and like signals : en
  • US2216966A - Piezometer : en
  • AT159577B - Plant for operating heating and cooking devices for liquid fuel. : de en
  • AT159592B - Four-wheeled motor vehicle with front and rear swing axles. : de en
  • AT159616B - Process for the production of hydrocarbons. : de en
  • US2217536A - Orchard heating apparatus : en
  • GB527525A - Art of producing magnetic materials : en
  • DE697200C - Self-igniting, air-compressing internal combustion engine : de en
  • DE697293C - Connection of a double-walled arched bar, which is subjected to pressure, to a single-walled reinforcement beam : de en
  • USD122978S - Design for a dress : en
  • US2217148A - Trailer coupling : en
  • US2217498A - Tire chain : en
  • US2216814A - Vibration isolator : en
  • US2217312A - Baking oven : en
  • US2217432A - Parallel operation of generators : en
  • US2217024A - Electric switch : en
  • US2217095A - Shoe finisher machine : en
  • US2216913A - Automatic volume control for phonographs : en
  • US2217413A - Radio direction finding system : en
  • US2216896A - Method of making concrete pipe : en
  • CA391795A - Wall : en fr
  • CA391863A - Shock absorber : en fr
  • US2216784A - Method of forming liner plates : en
  • US2217281A - Telescope eyepiece : en
  • USD122981S - Design for a dress : en
  • GB527489A - Device for the supplying of stock to the wire part of a papermaking machine : en
  • GB527501A - Improved means of locking the transmission gear of a motor vehicle, to prevent unauthorized use : en
  • US2217122A - Antiskid tire : en
  • AT159563B - Device for regulating the temperature of ovens using thermal currents. : de en
  • US2217301A - Twisting machine : en
  • USD122921S - Design fob a powder box : en
  • CA391814A - Textile material processing : en fr
  • GB527548A - Process for the manufacture of phosphoric acid dichlorides of 4-amino-benzene-sulphonamides : en
  • US2216848A - Brake : en
  • US2217463A - Lighting unit : en
  • US2216855A - Valve mechanism : en
  • US2217495A - Automatic safety door lock for motor vehicles : en
  • US2217548A - Apparatus of amusement : en
  • US2216796A - Measuring instrument : en
  • DE697245C - Method and device for cleaning fiber-containing waste water from paper, wood pulp, cellulose and textile factories : de en
  • US2216954A - Ear muff : en
  • US2217558A - Seamless knitted fabric and method of producing the same : en
  • AU407839A - Improvements in or relating to automatic volume control circuits for radio and like receivers : en
  • DE697210C - Heating system with tools for drying, pressing or rolling temperature-sensitive materials : de en
  • CA391731A - Toilet seat and cover : en fr
  • US2216934A - Suction nozzle : en
  • US2217271A - Expansible earth anchor : en
  • GB527303A - Improvements in apparatus for feeding fuel into continuous kilns : en
  • GB527511A - Improvements in or relating to electric liquid heaters : en
  • GB527569A - Improvements in and relating to shaft packings : en
  • USD122965S - Design fob a dress : en
  • US2217183A - Film driving mechanism : en
  • US2217531A - Photographic washer : en
  • US2217034A - Suspension system for vehicles : en
  • US2217103A - Machine for mixing or masticating rubber and like material : en
  • US2217171A - Stiffening member for shoes and the like : en
  • US2217298A - Apparatus fob controlling the flow : en
  • USD122915S - Design fob a handbag : en
  • AU111642B2 - Improvements in or relating to beverage brewing devices : en
  • US2217198A - Cathode ray device : en
  • US2217351A - Flexible mounting cylinder washer and extractor mechanism : en
  • USD123000S - Design for a dress : en
  • CA391734A - Fresco painting on cloth : en fr
  • DE697116C - Protective circuit for electrical systems with protective conductor : de en
  • AT159606B - Circuit for double call seekers. : de en
  • US2217590A - Thrashing element : en
  • US2216842A - Germicidal compounds : en
  • US2217053A - Bending machine : en
  • US2217434A - Animal ball : en
  • USD122890S - Design foe a fish ltfre : en
  • US2217291A - Fluid fuel burner : en
  • US2217365A - Filler strip : en
  • US2217497A - Switching scheme : en
  • US2216864A - Take-off connection for sheet metal pipe : en
  • US2217245A - Wire-drawing machine : en
  • USD122932S - Design for a glider end frame : en
  • USD122941S - Design for a bottle stopper : en
  • US2216980A - Butter serving appliance : en
  • US2217650A - Preparation of organic acids : en
  • USD122966S - Design fob a dress : en
  • AT159594B - Duplicating machine. : de en
  • CA391768A - Calendar and indicator : en fr
  • US2216762A - Liquid chilling device : en
  • USD122892S - Combined desk clock and calendar : en
  • US2216815A - Dehydrating system : en
  • US2216971A - Portable circular saw : en
  • USD123020S - Design for a headdress : en
  • DE697273C - Spring clip for aluminum conductors : de en
  • AT159601B - Process for the production of yarn consisting in particular of glass threads. : de en
  • GB527495A - Improvements in or relating to radio direction finders : en
  • DE697319C - special of an airplane : de en
  • US2217555A - Cooking vessel : en
  • DE697168C - Process to increase the resistance of tubular, ceramic bodies to internal pressure : de en
  • DE695308C - Process for producing master copies for planographic printing : de en
  • US2217180A - Typewriting machine : en
  • USD122901S - Design for a game board : en
  • AT159623B - Plug rolling mill with pushing carriage. : de en
  • USD122985S - Design for a dbess ensemble : en
  • GR9297B - CONDITIONING METHOD OF EXTRACTION OF GLAUCOUS RAISINS IN GENERAL ALL YOU ARE SUGAR LIQUID BY HOT AIR. : el en
  • US2217385A - Mineral oil distillation : en
  • DE697289C - High-speed water turbine or rotating pump branch axial impeller and an axial or almost axial stator arranged above it : de en
  • AU111640B2 - Improved advertising apparatus : en
  • AU402339A - Improvements in or relating to machines for use inthe manufacture of shoes : en
  • USD122907S - Design for a game board : en
  • GB527328A - Improvements in the saponification of textile materials containing an organic ester of cellulose : en
  • US2217025A - Press with fluid-conducting strain rod : en
  • USD123006S - Design fob a dress : en
  • DE697258C - Storage and drive of rotating drums : de en
  • GB527535A - Respiratory apparatus : en
  • AT159589B - Safety device against strong pressure drops in gas pipes. : de en
  • US2217613A - Terpene-cyanoacyl compound and method of producing same : en
  • USD122949S - Design for a hat steamer : en
  • US2217065A - Composition for making a polychromatic printing roller or plate, method of making the same, and a polychromatic printing member : en
  • US2217275A - Resistance coupled amplifier circuits : en
  • US2217329A - Lubricating method and system : en
  • AU452639A - Improvements in or relating togas pressure generating cartridges forthe operation of mechanical devices, and to charges therefor : en
  • AT159650B - Method and device for the production of dentures. : de en
  • CA391869A - Organic acid production : en fr
  • US2217013A - Conversion of diolefin hydrocarbons to aromatic hydrocarbons : en
  • US2217648A - Adjustable locking multileaf gauge : en
  • US2217160A - Typewriting machine : en
  • US2217583A - Liquefied gas dispensing system : en
  • USD122960S - Design for a dress : en
  • US2217096A - Cloth laying machine : en
  • US2217607A - Apparatus for processing cord tire fabric : en
  • US2217143A - Purification of petroleum contaminated waters : en
  • US2217643A - Fluid meter : en
  • CA391751A - Double glazed window : en fr
  • US2216774A - Method of making heavy parts of machinery, and the resulting products : en
  • US2216818A - Pneumatic seat : en
  • US2216997A - Band-pass selector system : en
  • US2217621A - Bed quilt or the like and process of making the same : en
  • FR857344A - Further training in general merchandise vending machines : en fr
  • GB527496A - Improvements in or relating to automatically variable frequency-selective electric wave filters : en
  • US2217077A - Wire insulation cutting and stripping device : en
  • CA391790A - Refrigeration apparatus : en fr
  • DE697051C - Azo components for the diazo type : de en
  • GB527309A - An improved method of producing polished or faced stone : en
  • GB527315A - Improvements in tubulous boilers comprising weight-supporting tubes : en
  • GB527539A - Improvements in or relating to magnetic shunts for use in watthour meters or other electro-magnetic measuring instruments of the induction type : en
  • GB527385A - A current collector for electric vehicles : en
  • GB527415A - The production of chemical wood pulp : en
  • CA391861A - Impregnating composition : en fr
  • US2216746A - Wringer : en
  • US2217350A - Tool holder : en
  • USRE21594E - Windshield cleaner : en
  • GB527599A - Battle cruiser and motor torpedo boat carrier : en
  • US2216974A - By-pass for luminous tube systems : en
  • US2217506A - Record assembly : en
  • AU111621B2 - r Improvements in luminescent materials andin sources of light comprising them : en
  • DE697269C - Safety device for steam turbine systems supplemented by high-pressure upstream turbines, whose high-pressure and low-pressure turbines drive special power generators working on a common network : de en
  • GB527592A - Improvements in and relating to indicating means for measuring and like instruments : en
  • AT159573B - Storage storage. : de en
  • US2216967A - Gas lift valve : en
  • US2217444A - Method of and means for the manufacture of abrasive cloth : en
  • US2216982A - Hand-actuated carriage : en
  • AT159624B - Process for the production of shaped structures from cellulose ethers. : de en
  • US2217458A - Steam generator and water heater : en
  • US2216932A - Solvent extraction operation : en
  • US2217387A - Demulsification of petroleum : en
  • US2217420A - High tension electric insulator : en
  • US2217285A - Candy machine : en
  • US2217300A - swart : en
  • DE697163C - Controllable pitch propeller : de en
  • US2216970A - Phonograph record blank : en
  • AU111665B2 - Improvements in machines for producing rubber covered cord andthe like for use inthe manufacture or repair of covers or casings for pneumatic tyres : en
  • AT159562B - Sound emitters. : de en
  • DE697396C - Electric discharge lamp or fluorescent tube filled with noble gases and mercury and a luminophore layer excited by the mercury radiation : de en
  • US2216952A - Indicator : en
  • US2217314A - Art of producing designs on leather : en
  • AU111632B2 - Improvements in or relating to television receivers : en
  • US2216824A - Rounding machine : en
  • US2217608A - Fan and orifice assembly : en
  • GB527616A - Improvements in or relating to cooling towers : en
  • US2217529A - Friction clutch : en
  • US2217071A - Combined planter and fertilizer dropper : en
  • US2217210A - Foldable container : en
  • US2217419A - Thermostatically controlled device : en
  • US2217339A - Ornamental chain : en
  • USD123005S - Design for a power transmission : en
  • CA391741A - Folder : en fr
  • US2217214A - Car retarder for railroads : en
  • US2217616A - Gyro-magnetic compass : en
  • US2217080A - Tire cord demonstration device : en
  • US2216849A - Process for preparing aryl mercaptans : en
  • US2216929A - Fishing lure : en
  • US2217224A - Alidade : en
  • US2217515A - Conversion of ricinoleates into other organic compounds : en
  • US2217436A - Cathode for electron tubes : en
  • US2217267A - Tone control : en
  • GB527588A - Improvements in self-contained belt drives for machines : en
  • DE697296C - Deck device for flat weft knitting machines : de en
  • AT159590B - Circuit for telephone systems with central battery or dialer operation. : de en
  • DE697302C - Process for producing multicolor subtractive images : de en
  • GB527567A - Improvements in and relating to electron beam devices : en
  • DE697368C - Additive three-color film process : de en
  • GB527355A - Improvements in or relating to the manufacture of electric detonators : en
  • CA391808A - Food product : en fr
  • DE697112C - Unterburner regenerative coke oven : de en
  • DE697394C - High-performance fuse with several fusible links arranged to be rotatable about an axis made of insulating material : de en
  • US2217051A - Ice topping device : en
  • US2217526A - Indicating circuit controller : en
  • GB527515A - Improvements in drives for floor cleansing machines : en
  • GB527545A - Improvements in or relating to feed mechanism for use in machine tools such as grinders and the like : en
  • GB527321A - Improvements in or relating to elastic backed brushes : en
  • DE697331C - order systems with three-phase motors : de en
  • US2216840A - Preparation of aryl mercaptans and resulting composition : en
  • GB527380A - Load stabilizing means for modulating systems : en
  • US2216753A - Treatment of sugar solutions : en
  • US2217403A - Jack : en
  • GB527446A - Improvements in and relating to extrusion apparatus : en
  • GB527371A - Improvements in or relating to vacuum cleaners : en
  • GB527624A - Improvements in or relating to electric switches mounted in sealed containers : en
  • GB527360A - Improvements in or relating to die casting machines : en
  • US2217484A - Support for tubular lamps : en
  • USD123017S - Design for a dress : en
  • GB527322A - Improvements in and relating to the production of welts on straight-bar knitting machines : en
  • GB527404A - Improvements in poultry coops and the like : en
  • GB527563A - Improvements in and relating to hollow rollers : en
  • GB574929A - Improvements relating to gun mountings : en
  • DE697272C - Use of a chromium-molybdenum-titanium-iron alloy : de en
  • US2216880A - Screen wire stretching device : en
  • DE697165C - Roll parachute : de en
  • GB527291A - Improvements in or relating to machines for use in the manufacture of boots or shoes : en
  • GB527422A - Improvements in or relating to self-filling fountain pens : en
  • USD122980S - Design fob a dress : en
  • GB527354A - Improved mud box for pipe leads, outlets and the like : en
  • GB527487A - Improvements in or relating to multi-piston hydraulic pumps and motors : en
  • GB527523A - Improvements in automatic temperature and humidity control in indirect space heating systems : en
  • US2217114A - Method of producing pattern effects on fabrics : en
  • GB527480A - Improvements in telephone apparatus : en
  • USD123018S - Design for a dress : en
  • AU448739A - Improvements in or relating tothe treatment and assembly of lapped metal parts : en
  • GB527490A - Improvements in or relating to landing wheel mountings for aircraft : en
  • GB527550A - Improvements in or relating to the actuation of control surfaces on aircraft : en
  • GB527367A - Improvements in or relating to the shaping of shoe bottom parts : en
  • GB527549A - Improvements in or relating to actuating and controlling movable parts of aircraft : en
  • DE697199C - Device for digging and uncovering beetroot and similar root crops : de en
  • GR9285B - METHOD OF PREPARATION OF GOODS. : el en
  • US2217045A - Method of dressing or redressing files : en
  • US2217212A - Apparatus for winding bobbins in fly-frames for subsequent liquid treatment of such bobbins : en
  • GB527518A - Improvements in machines for testing the accuracy of face curves in gears, gear shaper cutters and other articles : en
  • CA391813A - Textile material processing : en fr
  • US2217126A - Piled surface in pattern form : en
  • US2217205A - Photoelectric tube : en
  • USD122993S - Design for a dress : en
  • AT159591B - Holding device, in particular single-hole fastening for apparatus parts. : de en
  • DE697328C - Circuit arrangement for control switchless line selectors in telephone systems : de en
  • GB527601A - Improvements in or relating to protective layers for the interior of pipes and like hollow bodies : en
  • GB527587A - Improvements relating to soot blowers : en
  • DE697291C - Process for the refinement of purge gas tar from hard coal : de en
  • USD123022S - Charles shapiro : en
  • US2216906A - Motor drive : en
  • USD122944S - Mclntire radiator : en
  • USD123013S - Design for a dress : en
  • US2216827A - Cellulose derivative compositions of matter and articles produced therefrom : en
  • US2217360A - Hydraulic disruption of solids : en
  • US2217587A - Process for conversion of hydrocarbons : en
  • GB527473A - Improvements relating to settees and armchairs : en
  • US2217047A - Lock : en
  • US2217617A - Apparatus for scrubbing rugs, floors, and the like : en
  • US2217644A - Plural compartment container : en
  • US2216810A - Manufacture of artificial yarns : en
  • AU111659B2 - Improvements in kettles andthe like vessels : en
  • GB527292A - Wireless receiving systems : en
  • GR9291B - PORTABLE HOME TOOL. : el en
  • USD123021S - Be sign for a chenille kobe : en
  • US2217383A - Electrical condenser : en
  • US2217390A - Dry heat thermoplastic-denture press : en
  • US2217575A - Respiratory appliance : en
  • CA391857A - Alloy for iron and steel : en fr
  • CA391862A - Drafting instrument : en fr
  • GB527505A - Improvements in or relating to electrical signal storage and transmission equipment : en
  • US2217503A - Interlocked box : en
  • AT159640B - Diagonal pull for ski bindings. : de en
  • GB527513A - Improvements in and relating to sealing in machines for electric lamps and the like : en
  • US2217557A - Tree protector : en
  • US2217147A - Bailer bottom element : en
  • US2217560A - Adjusting mechanism for piercing punches : en
  • CA391821A - Flexible power transmission member : en fr
  • DE697382C - Connection of the joint of insulating pipes for laying bare electrical lines : de en
  • US2217602A - Hypodermic needle : en
  • GB527313A - Improvements in or relating to cathode ray tubes : en
  • GB527397A - Improvements in and relating to sheet feeding devices : en
  • DE697175C - : de en
  • DE697259C - Device for drying and heat treatment of moist to muddy material : de en
  • US2216748A - Thermal electric switch : en
  • US2216726A - Bearing : en
  • US2217261A - Method of conserving fruit juices : en
  • GR9288B - METHOD OF CONSTRUCTION OF BLUE EC FROM VEGETABLE CASE. : el en
  • US2216802A - Cooling means : en
  • US2216998A - Band-pass selector system : en
  • US2217422A - Glass-metal seal : en
  • US2216992A - Froth flotation reagent : en
  • US2216845A - Manufacture of paper : en
  • US2217000A - Fluid conduit : en
  • US2217234A - Trailer hitch : en
  • DE697215C - Electric drive for points, signals or the like with removable motor gear : de en
  • DE697386C - Firedamp-proof plug device that can be locked with a built-in switch : de en
  • US2217280A - Ultra high frequency modulator : en
  • US2217502A - Stylorgraphic pen : en
  • GB527586A - Improvements in or relating to separate leaf kinematograph apparatus : en
  • US2217401A - Saw-tooth wave generator : en
  • US2216732A - Floor structure : en
  • US2216841A - Durohydroquinone-monophytylether and process for the manufacture of same : en
  • US2217033A - Suspension system for vehicles : en
  • US2217208A - Weighing and recording mechanism : en
  • US2217513A - Casein component of water paints : en
  • USD122912S - Design for an instrument dial : en
  • GB527560A - Improvements in and relating to crank shafts : en
  • US2216961A - Sound translating apparatus : en
  • US2217046A - Fender skirt latching mechanism : en
  • US2217230A - Brake system for automobiles : en
  • US2217395A - Lamp socket : en
  • US2217435A - Direct-current measuring device : en
  • US2217467A - Apparatus for transferring liquefied gases : en
  • US2216936A - Hand-operated food chopper : en
  • USRE21592E - Merchandise package and dispiiay : en
  • USD123019S - Design for a coffee brewer stand : en
  • DE697398C - Urine catcher : de en
  • GB527394A - Improvements in and relating to the cylinders of internal combustion engines : en
  • US2217038A - Tiltable ring packer : en
  • US2217363A - Process for producing fatty acids and resinous materials from fatty glycerides : en
  • US2217470A - Dam construction and repair : en
  • US2216901A - Projection screen : en
  • US2217111A - Toy : en
  • US2216957A - Game apparatus : en
  • AT159642B - Process for the production of magnetic bodies. : de en
  • USD123016S - Design for a dress : en
  • US2216722A - Fuel mixing and supply apparatus : en
  • US2217194A - Method for making blowpipe nozzles : en
  • US2217386A - Apparatus for distilling mineral oils : en
  • US2217128A - Heater construction : en
  • US2217258A - Apparatus for forming tapered concrete piles : en
  • DE697137C - Process for the production of manganese sulfate from manganese-containing iron ores, slags o. : de en
  • CA391860A - Light sensitive electric device : en fr
  • AT159629B - Device for regulating the flow of metal in continuous casting. : de en
  • DE697036C - Method for examining the subsurface of the earth : de en
  • AU111657B2 - Metal spraying apparatus : en
  • US2217238A - Sucker rod wrench : en
  • CA391839A - Electronic oscillator : en fr
  • DE697225C - : de en
  • US2216812A - Moistureproof sheet material and moistureproofing composition : en
  • US2217092A - Fountain washer : en
  • GB527475A - Improvements in or relating to the production of glass or other fibres : en
  • DE697303C - Diaphragm pump : de en
  • US2217050A - Faucet : en
  • GB527509A - A process for removing acid components from water-insoluble neutral or basic organic liquids : en
  • US2217190A - Air conditioning : en
  • US2217249A - Fastener : en
  • US2217021A - Piano string plate construction : en
  • GB527290A - Improvements in printing methods and printing inks : en
  • GB527326A - Fire protection material : en
  • GB527363A - Improvements relating to pressure-tight packing devices : en
  • GB527462A - Improvements relating to steel sectional boilers : en
  • US2217601A - Flexible car diaphragm : en
  • GB527512A - Improvements in and relating to sealing-in machines for electric lamps and the like : en
  • DK58053C - Kitchen table covering with table top, sink and basin. : da en
  • AU111672B2 - Apparatus for facilitating the installation of electricity services and the fixing, removal and testing in situ of electricity meters : en
  • GB527399A - Improvements in mercury and other conductive liquid switches : en
  • US2217089A - Machine for testing the hardness of materials : en
  • US2217109A - Weed root puller : en
  • DE697383C - he multi-part lower part for plug couplings with rear cable feed : de en
  • US2217162A - Conductor cable : en
  • USD122997S - Design for a dress : en
  • US2217231A - Rubber impeller : en
  • US2217518A - Combustion regulation : en
  • US2216787A - Dough twister : en
  • US2216940A - Modulation : en
  • USD123026S - Design for a dress : en
  • USD123036S - Design for a dkess : en
  • USD122937S - Game board for public amusement places : en
  • US2216844A - Process for softening water : en
  • US2216958A - Manufacture of artificial rubber by the polymerization of butadienes : en
  • AU111652B2 - An improved process for the preparation of charcoal briquettes : en
  • US2217146A - Traverse mechanism for winding machines : en
  • DE697337C - Motor gripper : de en
  • DE697188C - Process for the production of a diterpene : de en
  • US2217088A - Measuring instrument : en
  • CA391754A - Spoon holder : en fr
  • CA391866A - Textile material : en fr
  • US2217622A - Vulcanization of rubber : en
  • DE697397C - Grate firing with an iron fire pot closed on all sides and a standing door : de en
  • AT159630B - Snap trap for mice and moles. : de en
  • US2217358A - Insecticide and fumigant : en
  • US2217465A - Heater unit : en
  • US2216721A - Attachment for ripsaws : en
  • US2216965A - Lens structure : en
  • US2217097A - Meter box cover : en
  • US2217167A - Process for the production of ethers of butanol-1-one-3 : en
  • US2217196A - Convertible accounting machine : en
  • US2217209A - Punching machine : en
  • US2217649A - Combustion chamber for rocket apparatus : en
  • USD122934S - Combined motor and blower housing for fur beaters : en
  • US2216870A - Bus duct : en
  • US2217152A - Device for removing drills or other articles from their shafts : en
  • US2216803A - Cardboard and cardboard web and method of making same : en
  • US2217155A - Mercuri alkyl phenol derivatives : en
  • US2217294A - Automatic frequency control : en
  • USD123037S - Design for a pump : en
  • AT159595B - Lighting device, in particular for motion picture devices. : de en
  • GR9299B - COBBLE MANUFACTURING SYSTEM FROM UNBURNED OIL NUCLEAR CRUSHED AND EXTRACTED. : el en
  • US2217229A - Insulator : en
  • USD122953S - Composite tucked fabric or the like : en
  • DE697257C - Plant for shredding and pneumatic sifting of tobacco leaves or the like. : de en
  • US2217164A - Process for producing facsimiles : en
  • US2217505A - Stove : en
  • US2216741A - Plate finishing machine : en
  • US2216873A - Storage box : en
  • GB527494A - Improvements in or relating to the manufacture of resinous products derived from acrylic acid derivatives : en
  • US2217475A - Attachment for eyeglasses : en
  • DE697123C - Device for determining the specific gravity of a gas : de en
  • DE697292C - Steam water trap with a bimetallic expansion body under operating pressure : de en
  • AU449739A - Improvements in kettles andthe like vessels : en
  • US2216861A - Automatic adjustment : en
  • US2216917A - Gauge and outlet fitting for drums : en
  • US2217203A - Core barrel : en
  • US2217344A - Cutter drive for cloth shears : en
  • US2217456A - Current collector : en
  • AT159580B - Chromium-cobalt magnetic steel. : de en
  • US2217349A - Impression transmitting medium : en
  • US2217081A - Vehicle wheel : en
  • US2216728A - Abrasive article and method of making the same : en
  • US2216797A - Shaving device : en
  • US2217647A - Means for filling orders in retail stores : en
  • US2217236A - Photographic exposure meter : en
  • US2216991A - Mattress : en
  • GB527440A - An improved railway rail joint : en
  • US2217022A - Solid color pattern knitting machine : en
  • US2217106A - Rotor for rotating-wing aircraft : en
  • US2217593A - Bracing for suspension bridges : en
  • GB527435A - Improvements in or relating to the setting of barrelled fasteners : en
  • AU341939A - Improvements in or relating to telephone systems : en
  • AU98140A - Improvements relating to reflectors : en
  • US2217002A - Air cooling means : en
  • US2217251A - Fuel tank and bonnet support : en
  • US2216950A - Direction finder : en
  • AU111643B2 - Improvements in eddy current electro magnetic machines : en
  • CA391815A - Hoist : en fr
  • US2217423A - Glass-to-metal seal : en
  • US2217552A - Ink supply roller : en
  • AT159587B - Electromagnet for electrical apparatus, such as electrical voltage regulators, current and power regulators, relays. : de en
  • AT159571B - Arrangement of firearms in aircraft. : de en
  • AT159641B - Seed dressing. : de en
  • US2217099A - Method of producing pure alumina : en
  • CA391780A - High-speed motor grease-overflow catcher : en fr
  • US2217042A - Clamping device : en
  • US2217628A - Transmitting apparatus : en
  • US2217550A - Crankshaft : en
  • USD122922S - Invzntors; john flaiwiang, percy l. bowser, wllliam : en
  • USD123040S - Design for a dress : en
  • AT159648B - Gutter, gutter iron or the like. : de en
  • US2216821A - Dentifrice : en
  • US2217186A - High current space discharge device : en
  • US2217241A - Exhaust manifold for internal combustion engines : en
  • AT159597B - Duplication process. : de en
  • AU111664B2 - Vitamin and process of obtaining same : en
  • DE697159C - Protective edge, especially for wood propellers : de en
  • GB527426A - Improvements in or relating to axle counting in railway signalling : en
  • US2217014A - Conversion of diolefin hydrocarbons to aromatic hydrocarbons : en
  • US2217023A - Art of gelatinizing or colloiding low-viscosity colloids : en
  • US2217437A - Garage door construction : en
  • CA391812A - Cellulosic material processing : en fr
  • US2217016A - Pattern indicator : en
  • US2217378A - Metal bending brake : en
  • US2217411A - Stapling machine : en
  • AU111765B2 - Improvements relating to adjustable vehicle seat frames : en
  • CA391797A - Spray head : en fr
  • US2216930A - Stabilizing mechanism for vehicles : en
  • US2217139A - Tire tool : en
  • US2217549A - Valve spring for engines : en
  • USD122955S - Design for a dress : en
  • USD122992S - Design fok a dress ensemble : en
  • CA391772A - Tubular belt conveyer : en fr
  • CA391778A - Garment : en fr
  • CA391794A - Olefin hydrating process : en fr
  • AT159618B - Process for the production of synthetic resins. : de en
  • DE697164C - Power plant for aircraft : de en
  • US2217450A - Toaster : en
  • US2217028A - Bottle holder : en
  • USD122889S - Design for an inkwell base support : en
  • USD123023S - Design fob a dress : en
  • US2217468A - Welding apparatus : en
  • US2217060A - Cutting of leather : en
  • US2217067A - Roller bracket : en
  • US2217199A - Apparatus for applying thermoplastic tape layers onto a base : en
  • DE697133C - I use fungicidal pesticides : de en
  • GB527330A - Improved carburettor for internal combustion engines : en
  • AT159625B - Separator for furnace gases. : de en
  • US2216895A - Rotary underreamer : en
  • US2217532A - Precious ore recovery apparatus : en
  • CA391843A - Heat and sound insulating unit : en fr
  • GB527319A - Improvements in or relating to rail fastening means and to spikes for use in connection therewith : en
  • US2216834A - Chemical sponge rubber process : en
  • US2216911A - Animal trap : en
  • US2217156A - Spring assembly : en
  • US2216782A - Carrying frame for snow removing mechanism : en
  • US2217639A - Measuring system : en
  • US2217220A - Electric measuring apparatus : en
  • US2217362A - Device for handling aircraft : en
  • US2217412A - Device for removing starfish and other parasites from mollusk beds : en
  • CA391873A - Liquid dispensing fountain : en fr
  • DE697279C - Selective self-seller : de en
  • DE697353C - Direction indicators for bicycles and motorcycles : de en
  • GB527439A - Astringent preparation : en
  • GB527605A - Improvements relating to solid fuel heating stoves : en
  • US2217011A - Process of converting acetylenic hydrocarbons to aromatic hydrocarbons : en
  • DE697131C - Switch with arc extinguishing by a flow of compressed gas : de en
  • CA391762A - Vacuum cleaner nozzle : en fr
  • CA391799A - Styrene and compound production : en fr
  • CA391758A - Snowshoe harness : en fr
  • US2217429A - Separation of acetylene from gaseous mixtures containing it : en
  • US2217596A - Control mechanism for machines : en
  • USD122948S - Design for a liquid hydbocakbon flatiron : en
  • DE697355C - Device for simultaneous actuation of the steering of bicycles by means of a common adjustment lever : de en
  • US2217491A - Valve for lubricant cooling systems : en
  • US2216962A - Pressure coring device : en
  • US2216720A - Planter : en
  • US2217292A - Liner segment : en
  • USD122964S - Design for a dress : en
  • US2217408A - Suppressing parasitic oscillations in high frequency arrangements : en
  • US2217493A - Method of making reinforced paper bags : en
  • CA391763A - Vacuum cleaner : en fr
  • CA391777A - Centrifugal refrigerating apparatus : en fr
  • CA391796A - Building : en fr
  • AU111671B2 - Skein holder for use in winding wool andthe like : en
  • AT159633B - Paper container. : de en
  • GB527317A - Manufacture of thiolactams : en
  • US2216757A - Alkali activation of black liquor : en
  • US2216860A - Breechblock operating mechanism : en
  • USD122935S - Andres communication switchboard : en
  • US2217352A - Elevating device : en
  • CA391793A - Grounding switch : en fr
  • GB527449A - Improvements in or relating to photographic cameras : en
  • USD122899S - Design fob a bottle : en
  • DE691460C - Device for shredding tough, bulky goods : de en
  • DE697375C - Device for the optional reception of two messages : de en
  • US2216811A - Coin operated vending machine : en
  • US2217235A - Manufacture of compositions of lead and its oxides : en
  • US2217366A - Silk screen printing apparatus : en
  • AT159603B - Trash or trash can. : de en
  • CA391770A - Vapour generator : en fr
  • DE697130C - Electric switch with arc extinguishing by a flow of compressed gas : de en
  • CA391833A - Roofing element : en fr
  • AU111669B2 - Improved head and eye guard for sheep : en
  • US2216819A - Removable end filler for cable winding devices : en
  • US2217492A - Apparatus for testing and matching shuffleboard disks : en
  • US2217337A - Apparatus for treating strands : en
  • US2217056A - Relief valve : en
  • US2216773A - Journal box and method of making the same : en
  • US2217274A - Integrated shoe quarter : en
  • US2217331A - Fluid applicator for stitching machines : en
  • US2216778A - Heat exchange member and method of making : en
  • US2217427A - Thermionic valve : en
  • US2217415A - Discharge apparatus : en
  • USD123008S - Design fob a curtain ob similar article : en
  • AT159609B - Device for transferring the movement of the balance beam, in particular of plus-minus balances, to the balance pointer. : de en
  • CA391767A - Rayon manufacture : en fr
  • US2217108A - Rotating-wing aircraft : en
  • US2216822A - Ratchet releasing means : en
  • USD122982S - Design for a dress ensemble : en
  • AU111663B2 - Improvements in or relating to machines for use inthe manufacture of shoes : en
  • USD122926S - Design for- a loop antenna : en
  • US2217511A - Electrical panel : en
  • US2216806A - Valve setting means : en
  • US2217533A - Suspension for lighting fixtures : en
  • GB527400A - Improvements in or relating to a furnace for melting, refining and holding metals : en
  • GB527413A - Improvements in flying machines : en
  • GB527552A - Electric fuel pumps : en
  • US2217159A - Typewriting machine : en
  • USD123031S - Design fob a buckle : en
  • AT159647B - Speedometers for aircraft. : de en
  • US2217640A - Control system : en
  • AU21240A - An improved hand tool for spreading lines of cotton, wire orthe like : en
  • AT159554B - Process for the production of metals from their oxidic or compounds. : de en
  • GB527316A - Improvements in or relating to the production of alcohols from olefines : en
  • USD122942S - Design for a bottle stopper : en
  • GB527343A - Improvements in and relating to protective devices for electric circuits : en
  • GB527481A - Improvements in and relating to the automatic control of the speed of electric motors : en
  • US2217049A - Reinforced asbestos sliver : en
  • US2217117A - Continuous pressure sealing device : en
  • US2217382A - Motor and control therefor : en
  • US2216871A - Float : en
  • US2217605A - Method for the production of cellular rubber masses : en
  • USD122898S - Design for a fishing bod tip : en
  • US2216918A - Animal trap : en
  • US2217026A - Calk socket setting device : en
  • US2217504A - Method of making knockdown boxes : en
  • USD122904S - Photographic camera carrying case : en
  • CA391816A - Multiplying machine : en fr
  • US2217634A - Art of processing flowing fluids or materials which are caused to pass through a processing zone : en
  • US2217136A - Animal trap : en
  • US2217157A - Telefacsimile transmission system : en
  • US2217439A - Oral massaging device : en
  • AT159552B - Test circuit in telecommunications, in particular telephone systems. : de en
  • USD122974S - Design for a unifokm : en
  • USD122936S - Lining ob the like : en
  • DE697363C - Pulling disc made from powdered starting material for wire drawing : de en
  • GB527325A - Controlling means for hydraulic motors : en
  • GB527336A - Printing telegraph system : en
  • AT159632B - Procedure for interrupting the current in multi-anode power converters. : de en
  • AU452139A - Skein holder for use in winding wool andthe like : en
  • CA391870A - Circuit breaker : en fr
  • US2217019A - Treatment of hydrocarbons : en
  • US2217501A - Safety shield : en
  • GB527608A - Improvements in and relating to lathe and like cutting tools : en
  • GB527383A - Occasional steps or ladders to house lofts : en
  • DE697372C - Process for the preparation of tertiary aliphatic amines : de en
  • AU111645B2 - Improvements in or relating tothe cooling of gaseous mixtures : en
  • US2216735A - Photographic film : en
  • US2217074A - Calling device : en
  • US2217303A - Temperature control valve : en
  • USD122961S - Design for a dress : en
  • GB527372A - Improvements in charge forming devices for internal combustion engines : en
  • DE697356C - Safety device against theft of bicycles : de en
  • DE697307C - Conveyor device for materials of all kinds : de en
  • GB527379A - Improvements in or relating to motors for operating reciprocating conveyors : en
  • GB527423A - Improvements in or relating to the hydration of vinyl acetylene : en
  • GB527364A - Improvements in or relating to heels, or methods of, or apparatus suitable for use in, fitting heels to shoes : en
  • GB527474A - An improved catamenial device : en
  • GR9286B - METHOD OF MANUFACTURING CIGARETTES AND SIMILAR BOXES FROM ANY KIND OF PAPER AS PAPER. : el en
  • DE697169C - Contactor replacement device : de en
  • DE697237C - Specialist self-sellers : de en
  • GB527388A - Improvements relating to oil burning heaters and the like : en
  • GB527410A - Improvements in and relating to electrical insulating materials : en
  • GB527324A - Improvements relating to guide channels for sliding windows or the like : en
  • GB527619A - Abrading apparatus : en
  • GB527389A - Improvements in sand-blast or like apparatus : en
  • CA391824A - Titanium dioxide pigment : en fr
  • USD123011S - Design for a dress : en
  • GB527585A - Plate heat exchange apparatus for gas turbines : en
  • DE697192C - Arrangement for direct current motors, the field winding of which is fed during normal operation via controlled discharge paths from an alternating current generator coupled to the direct current motor and directly from the direct current network during the starting time : de en
  • DE697304C - Saddlebag for bicycles : de en
  • GB527395A - Improvements in gramophone pick-ups : en
  • US2217578A - Valve and level gauge operating mechanism for liquefied gas dispensing systems : en
  • GB527472A - Improvements in or relating to gas fires : en
  • GB527541A - Improvements in joint constructions for vehicle bodies : en
  • GR9300B - METHOD METHOD FOR LIQUID METAL WOODEN SURFACES. : el en
  • US2216975A - Liquid dispensing apparatus : en
  • GB527307A - An improved method of and apparatus for converting hydrocarbon oils : en
  • DE697155C - : de en
  • DE697385C - Safety plug-in device with rotary switch : de en
  • US2217069A - Coffee mill : en
  • US2217592A - Well reamer : en
  • GB527288A - Improvements in or relating to the heat treatment of metals : en
  • US2217290A - Spring unit : en
  • USD122927S - Cooler for bottled beverages or similar article : en
  • USD123034S - Besign for a dress : en
  • US2216877A - Blue flame burner : en
  • US2216920A - Cigarette holder : en
  • US2217207A - Fungicidal preparation : en
  • US2217373A - Shaking fourdrinier mechanism : en
  • DE697391C - Storage for leaf-spring-shaped metal parts, especially contact springs : de en
  • US2217177A - Loud-speaker : en
  • US2217376A - Ruffle plaiter : en
  • USD122971S - Design for a pen and pencil clip : en
  • US2216799A - Yarn and fabric production : en
  • US2217392A - Method of packaging chocolate : en
  • USD122968S - Design for a drawn furnace radiator : en
  • US2216850A - Mechanism for limiting the calling possibilities of a telephone apparatus : en
  • US2217311A - Lumber : en
  • GB527620A - Improvements in or relating to floors for ice rinks : en
  • DE697217C - Reversing gear with pressurized oil-controlled clutches : de en
  • GB527429A - Improvements in driving wheels more especially for tractors : en
  • US2216857A - Antifiltering closure for paper bags : en
  • DE697351C - Device for displaying a certain approach of a seaplane to the water surface : de en
  • DK58056C - Wheel ring with anti-slip studs, especially for Motor Vehicles. : da en
  • GB527368A - Improvements in or relating to receptacles for sanitary towels : en
  • DE697380C - Two-part spacer clip made of insulating material for laying any cables, especially electrical cables : de en
  • GB527377A - Improvements in or relating to flyers for the spindles of roving, twisting and spinning machines : en
  • US2217123A - Apparatus for determining the alterations of the horizontal components of the force of gravity : en
  • AT159578B - Braces or the like : de en
  • DE697243C - Device for the prevention of accidents when operating paper pulp closures : de en
  • US2216915A - Puzzle : en
  • AT159615B - Permanent magnet steel. : de en
  • GB527538A - Improvements in or relating to current conversion systems : en
  • DE697171C - Device for regulating the overheating of the steam : de en
  • DE697281C - Knife guide for mowing machines : de en
  • DE697349C - Edge protection for propeller blades : de en
  • DE697358C - narrow sides of pens and other stick-shaped workpieces : de en
  • GB527573A - Improvements relating to loom shuttles : en
  • DE697336C - Extend non-hardenable steel existing bearing shells and a spout with a copper-lead alloy : de en
  • DE697157C - Process for improving the adhesion of photographic emulsions, especially on so-called security films : de en
  • DE697300C - Sieve device with push rod drive : de en
  • DE697204C - Process for making colored filter layers in multilayer photographic films : de en
  • GB527533A - Improvements relating to crimping apparatus for packaging material : en
  • GB527332A - Improvements in the production of reversed photographic images : en
  • GB527524A - Adjustment and indicator for coffee mills : en
  • GB527302A - An improved process for the granulation of calcium superphosphate and mixed fertilisers containing phosphate and nitrogen with or without potassium : en
  • GB527396A - Process for the manufacture of condensation products from trimethyl-hydroquinone andalkylene halides : en
  • GB527558A - Improvements in or relating to shower-baths : en
  • DE697191C - Arrangement with externally controlled tubular resistance body with internal heating, housed in a gas-filled vessel : de en
  • US2216768A - Aircraft with autorotative sustaining rotors : en
  • US2217140A - Sectional article mold : en
  • GB527488A - Improvements in and relating to signalling apparatus : en
  • GB527402A - A process for the separation of an azeotropic vapour mixture containing alkyl phenols : en
  • GB527482A - Improvements in and relating to clothes wringers : en
  • AU111658B2 - Improvements in or relating tothe treatment and assembly of lapped metal parts : en
  • DK58059C - Procedure for Manufacturing Straamaatter or Straamaattebaner. : da en
  • US2217246A - Railway truck : en
  • US2217326A - Picture transmitter : en
  • US2217500A - Turbine diaphragm arrangement : en
  • GB527289A - Improvements in or relating to change speed gearing : en
  • GB527362A - Improvements in or relating to tie plate arrangement for railroads : en
  • GB527470A - Chromite refractory materials : en
  • CA391787A - Electric discharge apparatus : en fr
  • US2216808A - Vacuum breaker for flush valves : en
  • USRE21593E - Machine foe the gluing together of : en
  • US2217499A - Power system : en
  • AT159619B - Process for the production of halogen-containing oxyalkyl ethers. : de en
  • USD122973S - Design for a candelabrum or like article : en
  • US2217091A - Feeding device for machine tools : en
  • US2217480A - Pilot-channel relaying and communication system : en
  • CA391871A - Electron device : en fr
  • GB527506A - Improvements in and relating to gun mountings : en
  • DE697244C - Device on Fourdrinier paper machines to prevent air being entrained : de en
  • USD122969S - Design for a dress : en
  • US2216852A - Dust guard for trouser legs : en
  • USD123041S - Design for a dress : en
  • DE697128C - : de en
  • GB527414A - Improvements in or relating to the production of amide condensation resins : en
  • GB527612A - A combined gas injection valve and ignition apparatus for internal combustion engines : en
  • US2217120A - Copying camera : en
  • US2217577A - Dusting pump : en
  • AT159593B - Use of austenitic or austenitic-ferritic chromium-manganese, chromium-nickel or chromium-nickel-manganese steel alloys. : de en
  • US2216907A - Independent wheel suspension : en
  • US2217181A - Rubber heel : en
  • US2217333A - Machine for making link rods : en
  • US2216977A - Method and apparatus for controlling the relative quantities of liquids in a tank : en
  • US2216836A - Rotating sleeve valve for combustion motors : en
  • USD123009S - Design for a wallpaper : en
  • US2217161A - Signaling system : en
  • US2217625A - Piston expander : en
  • USD123010S - Design fob a muff : en
  • US2217044A - Belt and pulley : en
  • US2217137A - Method of making floor coverings, table coverings, and the like : en
  • US2217142A - Folded carton with pouring aperture : en
  • US2217535A - Rock drill : en
  • USD122945S - Unitfh statfs patfnt offitf : en
  • AT159636B - Rubber tires with inner cells formed by transverse and longitudinal turns. : de en
  • US2216851A - Gas range : en
  • US2217320A - Flush valve actuating device : en
  • USD122902S - Design fob a bracket lighting fixture : en
  • USD122988S - Design for a dress : en
  • US2216969A - Rapid fire artillery gun : en
  • US2217627A - Die for forming plastic materials into threads or ribbons : en
  • US2217315A - Light source : en
  • US2217336A - Means and process of making containers : en
  • US2217073A - Signal device : en
  • US2216793A - Manufacture of colored artificial materials : en
  • DE697152C - Printing device for calculating, registering and invoicing machines : de en
  • US2216903A - belt buckle : en
  • US2217284A - Electric cable : en
  • US2217589A - Repeater fuse switch : en
  • DE697229C - AC powered overpressure discharge lamp for projection purposes : de en
  • DK58057C - Clothes rails for attachment to bicycles' front or rear fenders. : da en
  • AT159599B - Process for the production of permanent magnets. : de en
  • AT159605B - Method and device for the production of x-rays of body organs. : de en
  • US2217079A - Window stay : en
  • US2216769A - Metal powder : en
  • US2217651A - Hydrogenation of ethers of hydroxy aldehydes : en
  • DK58052C - Foldable Cot that can be converted into Kravlegaard. : da en
  • DE697203C - Film reel : de en
  • DE697162C - e, hydraulically operated adjusting screw : de en
  • US2217004A - Curtain stretcher : en
  • DE697198C - en surfaces of synthetic resin objects : de en
  • CA391773A - Weed burning apparatus : en fr
  • US2217030A - Substituted triazines : en
  • US2216866A - Liquefied gas dispensing system : en
  • AT159645B - Process for the production of artificial horn plates and for the production of buffalo horn and corozo imitation buttons. : de en
  • AT159579B - Tubular artery binder. : de en
  • US2216937A - Wave filter : en
  • US2217402A - Photocell : en
  • AU497939A - Improvements in rock crushers : en
  • CA391733A - Fabric-making material : en fr
  • GB527337A - Improvements in pulling over machines for use in shoe manufacture : en
  • AT159627B - Warp knitting machine with weft insertion device. : de en
  • AU111631B2 - Improvements in or relating to telephone systems : en
  • GB527607A - Improvements in or relating to methods of keeping cold or refrigerating foodstuffs for preservation purposes : en
  • USPP427P - Rose plant : en
  • US2217206A - Interlocking system for railroads : en
  • US2217269A - Push-pull audio amplifier circuit : en
  • US2217391A - Liquefier and method of carbonating beverages : en
  • US2217591A - Paper feed for bread wrapping machines : en
  • US2217603A - Manufacture of beet sugar : en
  • DE697288C - Centrifugal machine with a sealed connection between the supply or discharge pipe and the centrifugal drum : de en
  • AU407339A - Improvements in machines for producing rubber covered cord andthe like for use inthe manufacture or repair of covers or casings for pneumatic tyres : en
  • AT159557B - Amplifier system. : de en
  • AU450739A - Improvements in or relating to modulation systems : en
  • US2217130A - Spray draft unit for humidifying and temperature control apparatus : en
  • US2217266A - Water distilling apparatus : en
  • DE697194C - Process for the preparation of sulphonated cerulein : de en
  • US2217102A - Figure article : en
  • GB527331A - Improvements in apparatus and process for making infusions : en
  • DE697254C - Process for the production of sausage casings : de en
  • DE697390C - Electric switch driven by motor and by hand with a coupling between drive and switching element : de en
  • GB527527A - Improvements in or relating to truck bodies : en
  • GB527409A - Improvements in and relating to metal alloys : en
  • DE697147C - Device for grid control of gas or vapor discharge vessels by means of a contact device : de en
  • GB527529A - Improvements in or relating to reciprocating pumps : en
  • AT159614B - Rotary kiln for the thermal extraction of magnesium. : de en
  • AT159551B - Metal roof or wall panel with a lining made of insulating material. : de en
  • AU111753B2 - Improvements in and relating to articles of wholly or partly tempered glass : en
  • US2217127A - Copyholder : en
  • US2217426A - Convertible furniture structure : en
  • USD122976S - Design for a dress : en
  • GB527520A - Improvements in the treatment of textile materials with synthetic resins : en
  • US2217327A - Method of producing well screens : en
  • US2217310A - Mailbox signal : en
  • GB527581A - Improvements in or relating to power transmission mechanisms : en
  • GB527320A - The separation of aminoacids from acid hydrolysates of proteins : en
  • GB527304A - Improvements in or relating to means for inserting metallic fastenings suitable for use in the manufacture of boots or shoes : en
  • GB527311A - Improvements in or relating to cooking stoves : en
  • GB527497A - Improvements in and relating to electric discharge apparatus : en
  • GB527566A - A portable stove or heater employing butane gas, petrol and like combustible fuels : en
  • GB527412A - Improvements in and relating to methods of producing discharges suitable as ignitionsparks : en
  • GB527521A - Improvements in or relating to wall or like plugs : en
  • DE697290C - Monitoring device for the water gap in turbine or pump units : de en
  • GB527384A - Improvements in or relating to apparatus for separating liquids from solids : en
  • GB527350A - Improvements in or relating to step-by-step electrical transmission systems : en
  • DE697218C - Drive of a Maltese cross gear for cinema machines : de en
  • GB527543A - Improvements in or relating to joint constructions for vehicle bodies : en
  • DE691912C - Account sheet in which the postings are on individual strips : de en
  • US2217388A - Hardness testing machine : en
  • US2217485A - Door latch : en
  • DE697283C - Multiplier cassette : de en
  • GB527477A - Improvements in or relating to backlash eliminating mechanism for machine tools : en
  • US2216747A - Blade construction for fluid power transmitter : en
  • US2216872A - Stock feeding means for automatic machine tools : en
  • US2217061A - Smoking outfit : en
  • USD123002S - Design for a dress : en
  • US2216764A - Foot muscle exercising machine : en
  • US2217001A - Friction material : en
  • DE697154C - Key for electric musical instruments : de en
  • AU485539A - Improvement in grinding machine : en
  • AU550339A - An improved milking machine pump : en
  • GB527443A - Improvements in and relating to screw propellers : en
  • DE697117C - Safety element with cover : de en
  • DE697125C - Friction roller : de en
  • DE697318C - Process for improving the resistance of the film hole areas, in particular with so-called security films : de en
  • US2216817A - Papermaking machine : en
  • US2217545A - Drill sharpener attachment : en
  • USD122977S - Design for a dress : en
  • AT159581B - Process for the preparation of butene- (1) -one- (3). : de en
  • US2216763A - Carbon monoxide purifier and muffler : en
  • US2217393A - Machine for nibbling or punching metal and other sheets : en
  • CA391831A - Decalcomania transfer : en fr
  • DE697297C - Disinfectants and preservatives : de en
  • AU111636B2 - Improvements relating to feedback phase modulation receivers : en
  • DE697238C - Keeping box for birds : de en
  • GB527463A - Improvements in or relating to shackle links particularly for the springs of road vehicles : en
  • GB527544A - Improvements in or relating to pumps of the sliding vane type : en
  • AU111667B2 - Improvements in card filing devices : en
  • CA391766A - Locomotive roller bearing unit : en fr
  • US2217361A - Gravity measuring instrument : en
  • US2216727A - Blast furnace process : en
  • US2217421A - Casing for metallic vapor discharge devices : en
  • US2217306A - Paper windening machine : en
  • US2217323A - Portable reel construction : en
  • US2217404A - System and method for landing airplanes : en
  • US2216718A - Manufacturing metallic tubular articles : en
  • US2217354A - Manufacture of methyl borate : en
  • US2216897A - Man's shorts : en
  • US2217027A - Vacuum breaking device in water systems : en
  • DE697247C - Film switching device for roll film cameras : de en
  • DE697265C - Device for searching for statistical information : de en
  • DE697262C - Device provided with a free-flying percussion piston : de en
  • US2217488A - Thermal overload relay : en
  • US2216771A - Automatic clutch : en
  • AT159596B - Air-compressing internal combustion engine with self-ignition, especially for fuels that are difficult to ignite. : de en
  • US2217272A - Hosiery and method of making the same : en
  • DE697170C - Fabric softeners : de en
  • DE697395C - Electric discharge lamp or fluorescent tube filled with noble gases and mercury and a luminophore layer excited by the mercury radiation : de en
  • US2216909A - Magazine and film handling apparatus : en
  • US2216948A - Wall construction : en
  • US2216989A - Taking mine samples : en
  • US2217567A - Plate-type heat exchanger : en
  • AU111641B2 - An improved hand tool for spreading lines of cotton, wire orthe like : en
  • US2216798A - Hair waving appliance : en
  • US2217619A - Closure of paper and the like for containers made of paper and the like : en
  • US2217062A - Centrifugal amalgamator : en
  • US2217428A - Traction motor ventilating system : en
  • US2216904A - Treatment of distillery slop : en
  • DE697180C - Streamlined hollow body : de en
  • DK58049C - Tool to Prevent Masks in Knitwear Running. : da en
  • GB527534A - Method for producing a material for surface covering and fire protection : en
  • GR9298B - HORIZONTAL TWO-CYLINDER HYDRAULIC PUMP. : el en
  • GB527568A - Improvements in and relating to electric thermal switches : en
  • GB527618A - A process for the production of sintered bodies of light metals : en
  • US2216973A - Bushing assembly press : en
  • US2217487A - Mechanical contactor : en
  • US2217572A - Motor vehicle : en
  • CA391859A - Paper coating apparatus : en fr
  • US2217573A - Controlling electric circuits : en
  • DE697201C - Device for connecting plate-shaped components : de en
  • USD122888S - Design fob an inkwell base support : en
  • USD122925S - Design fob a stand : en
  • US2216879A - Production of titanium pigments : en
  • GB527621A - Improvements in two-stroke internal combustion engines : en
  • US2216758A - Twisting reinforcements for concrete : en
  • GB527375A - Improvements relating to slicing machines : en
  • GB527442A - Improvements in or relating to arch form buildings such as hangars and sheds : en
  • GB527532A - Spinning of artificial filaments or films : en
  • DE697138C - Process for the production of ascorbic acid-containing gold compounds from water-soluble keratin breakdown products : de en
  • USD122983S - Design for a dress ensemble : en
  • GB527591A - Improvements relating to air raid shelters and the like : en
  • CA391807A - Frequency responsive network : en fr
  • AT159565B - Method for crimping fibers made from acetyl cellulose. : de en
  • AT159567B - Process for obtaining the solid components of pulp waste liquors. : de en
  • CA391738A - Grain car door : en fr
  • GB527610A - Improvements in or relating to photographic or cinematograph objectives : en
  • US2216767A - Riveting tool : en
  • US2216846A - Fuel mixing device : en
  • DE697348C - en : de en
  • US2217425A - Glass pressing machine : en
  • US2217556A - Billfold : en
  • US2217396A - Circuit arrangement in television receivers : en
  • US2217574A - Molding construction : en
  • GB527522A - Improvements in and relating to grinding mills : en
  • GB527451A - Improvements in and relating to electric rotary switches : en
  • AT159555B - Procedure for isolating live components. : de en
  • DE697321C - Slotted grating made up of two different groups of bars at different heights and on a gap : de en
  • US2217201A - Bearing structure : en
  • US2216891A - Broaching machine : en
  • US2217012A - Conversion of diolefin hydrocarbons to aromatic hydrocarbons : en
  • US2217542A - Piston : en
  • US2216959A - Motor vehicle : en
  • US2217472A - Movable louver : en
  • US2216759A - Apparatus for fabricating fibrous material : en
  • US2216766A - Collocating instrument : en
  • US2217460A - Variable pole-number three-phase : en
  • USD123012S - Design for a wallpaper : en
  • DE697357C - Firing machine : de en
  • US2216919A - Animal trap : en
  • DE697370C - Release device for pit stamp : de en
  • GB527333A - Improvements in or relating to calorimetric apparatus : en
  • US2217132A - Vacuum breaking device in water systems : en
  • US2217597A - Wet bulb thermostatic control : en
  • US2216883A - Outlet box : en
  • AT159643B - Spinneret and process for its manufacture. : de en
  • DE697219C - Device for gluing fabrics on printing tables or the like. : de en
  • AT159585B - Electromagnetic relay. : de en
  • AU111614B2 - An improved mixing valve : en
  • CA391764A - Bearing lubricant seal : en fr
  • US2216788A - Tapered serrated wedge lock : en
  • US2217084A - Telephone system : en
  • US2217371A - Spindle for spinning and doubling frames for wool : en
  • DE697178C - Mill firing : de en
  • DE697365C - Shaving agent containing borax : de en
  • GB527516A - Improvements in or relating to sound motion picture apparatus : en
  • GB527547A - Improvements in cathode-ray tubes and methods of operating them : en
  • DE697327C - Electrode for an image decomposition tube with probe scanning : de en
  • AU122440A - An improved electric fitting : en
  • US2216972A - Combination freight truck with changeable container : en
  • USD122999S - Design for a dress : en
  • GB527344A - Improvements in and relating to refrigerator cabinets : en
  • CA391786A - Flat rectifier and circuit : en fr
  • US2217163A - Plastic composition : en
  • US2216737A - Rate indicator : en
  • US2217433A - Electrical device : en
  • US2217438A - Electrode for high-pressure mercury-vapor discharge device : en
  • US2217521A - Knitting machine : en
  • DE697305C - Spray container for paint and spray equipment : de en
  • DE697160C - n controllable pitch propellers : de en
  • US2216835A - Polymeric materials : en
  • US2217477A - Phase difference indicator : en
  • GB527312A - Improvements in or relating to machines for performing shaping operations on shoe soles : en
  • US2217075A - Power-driven conveyer : en
  • US2217107A - Rotor device for rotating-wing aircraft : en
  • US2217309A - Margarine product and method of making same : en
  • DE697346C - Hot water heating for cold beds : de en
  • US2217571A - Endpiece for stringers of separable fasteners : en
  • US2217483A - X-ray apparatus : en
  • US2217289A - Sleeve valve engine : en
  • GB527430A - Improvements in or relating to methods of the production of iron in powder form : en
  • DE697294C - Device for regulating motor circuits for electrically driven vehicles by means of two similar shift drums : de en
  • GB527598A - Improvements relating to the production of creases, for instance trouser creases and pleat-forming creases : en
  • DE697140C - Device for printing can parts made of sheet metal or plastic : de en
  • US2216761A - Manufacture of coloring matters : en
  • DE697248C - Fluid pump with spring-loaded pistons arranged parallel to the axis in a circle : de en
  • AT159584B - Automatic ring valve. : de en
  • GB527296A - Improvements in the manufacture of dyes and of photographic emulsions : en
  • US2217008A - Drafting apparatus : en
  • US2217528A - Railway signaling apparatus : en
  • US2217035A - Sash holder : en
  • GB527590A - Improvements relating to processes for the tanning of hides and skins : en
  • US2217179A - Record controlled machine : en
  • US2217105A - Shiftable hinge mounting for garment supports : en
  • US2217283A - Hydraulic dump bucket : en
  • US2216775A - Method of seasoning wood : en
  • US2217459A - Yarn tube : en
  • US2217032A - Shuttlecock : en
  • GB527374A - Applying pigments to sheet material : en
  • GB527381A - Improvements in the production of materials for treating animal and vegetable oils for retarding oxidation and the development of rancidity : en
  • GB527510A - Improvements in or relating to machines for operating upon hides, skins or the like : en
  • DE697344C - Iron-shaped hand pulling hoe : de en
  • GB527580A - Improvements in and relating to gas-tight joints between metallic and ceramic insulating bodies : en
  • US2216994A - Power operated razor : en
  • GB527464A - Improvements in building bricks : en
  • US2216946A - Phonograph record : en
  • US2217115A - Method of building houses : en
  • US2217253A - Refrigerating apparatus : en
  • DK58045C - Apparatus for Cutting Pieces of Yeast or Similar Plastic Materials. : da en
  • GB527519A - Foil for passage through a fluid : en
  • US2217052A - Hook : en
  • GB527458A - Device for the dry disinfection of razors and other objects : en
  • US2217104A - Temporary sealing means for gas filled cables : en
  • DE697266C - Cassette for cinema recorders : de en
  • GB527492A - Improvements in or relating to aerial bombs : en
  • US2217222A - Insulated cabinet : en
  • US2217520A - Knitting machine : en
  • DE697205C - Fountain pen with a piston that can be displaced by telescopically screwable threaded links : de en
  • DE697227C - Screw slot clamp for clamping small cable cross-sections in electrical installation systems : de en
  • DE697014C - Machine for planing gears using the hobbing process : de en
  • US2217250A - Production of oil gas : en
  • DE697316C - electrodes : de en
  • GB527293A - Improvements relating to annealing metal alloys : en
  • GB527453A - Method and device for restoring to shape the walls of deformed sheet-metal boxes and their lids : en
  • US2217225A - Feeding means for knitting machines : en
  • DE697136C - Shaving brush with a tube of cream and a plunger : de en
  • DE697301C - Preservation vessel with vacuum indicator : de en
  • US2216955A - Oil base drilling fluid and method of preparing same : en
  • US2217397A - Ribbon roll container : en
  • GB527425A - Process of treating magnesia-containing lime-stones : en
  • GB527467A - Improvements in and relating to the preparation of impermeable corrosion-resisting coatings : en
  • US2217611A - Terpene-cyanoacyl compound and method of producing the same : en
  • US2216910A - Adjustable lock for expandible portfolios : en
  • US2216943A - Hardness testing instrument : en
  • US2217636A - Hydrocarbon conversion process and apparatus therefor : en
  • DE697325C - Vertical shaft furnace with gradual external heating : de en
  • GB527286A - Improvements in oil burning heaters : en
  • DE697306C - Method of straightening leaf tobacco : de en
  • CA391826A - Titanium dioxide pigment : en fr
  • DE697150C - : de en
  • GB527358A - Micro-chronometer, in particular for landing altimeters on aircraft for measuring the altitude by means of sound waves by the eeho sounding method : en
  • GB527526A - Improvements in or relating to tuning devices for radio apparatus : en
  • US2216856A - Process of stabilizing hydrocarbon oil which has been sweeetened with a reagent containing copper : en
  • US2217527A - Cigarette : en
  • AT159556B - Device for the automatic recording of data for communication systems. : de en
  • CA391737A - Furnace baffle and heat-retainer : en fr
  • CA391827A - Christmas tree ornament : en fr
  • DE697069C - chen, suitable as fertilizers calcium phosphates and trialkali phosphate : de en
  • US2216752A - Stabilized lubricating oil composition : en
  • US2216795A - Measuring instrument : en
  • GB527595A - Improvements in or relating to spark quenchers for use with the exhaust pipes of internal combustion engines : en
  • USD123043S - Design for a dress : en
  • USD123038S - Design for a dress : en
  • GB527432A - All-wing airplane : en
  • DE697251C - Separation point for lines, especially measuring and hydraulic lines on aircraft : de en
  • DE697324C - Detergents and wetting agents : de en
  • AT159572B - Device for driving oscillating semi-axles or semi-axle shafts. : de en
  • US2217554A - Tape match container : en
  • GB527611A - Projectiles or bullets and a method of producing the same : en
  • US2217305A - Apparatus for removing liquids from wells : en
  • US2217599A - Vestibule connection for railway cars : en
  • DE697226C - Screw slot clamp for electrical lines : de en
  • DE697332C - Procedure for starting rotor-excited alternating current machines : de en
  • GB527484A - Improvements in photoelectric cells, and method for making, sensitizing and stabilizing the same : en
  • US2217313A - Radio apparatus : en
  • DE697270C - Control device for triple extraction turbines : de en
  • GB527572A - Improvements in or relating to apparatus for cutting vegetables : en
  • GB527447A - Improvements in and relating to boxes or containers : en
  • GB527483A - Improvements in or relating to closures for cans, jars, bottles and the like : en
  • US2216951A - Draft and buffing gear : en
  • CA391848A - Snap fastener socket : en fr
  • GB527327A - Improvements in or relating to the combustion spaces of oil engines : en
  • DE697145C - Electrical switch that can be reversed by reversing the direction of rotation of a shaft : de en
  • DE697299C - Tensile or pressure transmission element : de en
  • GB527508A - Device for dissipating the energy surge incident to an abrupt stopping of a driven element in a motor-driven power transmission : en
  • DE697239C - Sealing plate consisting of a metal support with filler : de en
  • US2217586A - Method for burnishing iron and steel articles : en
  • CA391753A - Runner or ski with endless track : en fr
  • CA391782A - Circuit breaker : en fr
  • CA391846A - Sheet metal fastening means : en fr
  • USD123024S - Design fob a dress ensemble : en
  • GB527287A - Improvements in or relating to couplings : en
  • CA391747A - Compressor : en fr
  • CA391830A - Electric glass furnace : en fr
  • US2216890A - Measuring and mixing valve : en
  • US2217553A - Ash tray support : en
  • CA391788A - Electric compensated condenser : en fr
  • AT159564B - Device on a machine for the production of coherent strands of wire for the production of horseshoe nails. : de en
  • CA391744A - Photo-copying or reproducing machine : en fr
  • USD122908S - Stechbart picture projector slide mount : en
  • US2217110A - Railway car construction : en
  • US2216874A - Band-pass selector : en
  • US2217359A - Head clamp and light reflector : en
  • US2217226A - Timer : en
  • US2217523A - Automatic telephone indicator : en
  • AU450139A - Improvements in or relating to television receivers : en
  • US2216779A - Smoke and fume separating : en
  • US2217524A - Crochet hook : en
  • CA391771A - Steam boiler : en fr
  • US2216885A - Ignition tester for internal combustion engines : en
  • US2217296A - Electrical heating element : en
  • GB527468A - Improvements relating to spring mountings for motor vehicles : en
  • DE697241C - Embroidery machine : de en
  • US2216854A - Vehicle suspension system : en
  • US2217334A - Screen for electro-optical device and method of preparing it : en
  • US2217490A - Lubricating equipment : en
  • US2217516A - Production of organic compounds : en
  • US2217522A - Ironing machine : en
  • US2217609A - Gauge : en
  • USD122894S - Knutson picture protector housing : en
  • USD122940S - Design fob a dish : en
  • DE697221C - Process for the production of sulfur dioxide and Portland cement : de en
  • DE697340C - Gear testing device : de en
  • USD122887S - Design fob a lighting fixture : en
  • USD122891S - Design for an ophthalmic mounting : en
  • US2216745A - Safety device for wringers : en
  • US2217237A - Dental filling matrix and method : en
  • US2216847A - Fluid pressure braking system : en
  • US2217357A - Clutch : en
  • DE697054C - Seal for rolling mill bearings : de en
  • DE697399C - Ventilation device for generating negative pressure in low-pressure steam heating systems : de en
  • GB527476A - Improvements in the sealing of electric conductors through quartz envelopes : en
  • GB527575A - Improvements in step-by-step lasting machines : en
  • US2217507A - Record assembly : en
  • US2217512A - Steam boiler : en
  • DE697156C - Film transport device for picture sound film devices : de en
  • GB527308A - Improvements in electric switches and operating gear therefor, particularly applicable to the control of two or more electric motors : en
  • US2217176A - Brake wear indicating apparatus : en
  • US2217457A - Generator voltage regulator : en
  • USD122984S - Design for a dress : en
  • US2217304A - Safety wringer : en
  • DE697278C - Hunting seat and walking stick : de en
  • DE697326C - Device for improving the running properties of locomotives or traction vehicles : de en
  • DE697381C - Two-part, screwless spacer clip made of insulating material : de en
  • DK58048C - Electric Discharge Pipe. : da en
  • GB527417A - Improvements in or relating to the reclaiming of rubber from vulcanised products : en
  • GB527553A - Improvements in or relating to sleeve-valve driving mechanism for internal-combustion engines : en
  • GB527623A - Improvements in spring loaded piston rings for steam engines : en
  • AU111615B2 - Process for the production of electric oscillations : en