• FR852445A - Device for guiding and joining in wick or other similar form of glass filaments : en fr
  • US2188564A - Draft regulator for chimneys : en
  • US2188844A - Bedpan cushion : en
  • FR852391A - : fr
  • FR852477A - Heat treatment process for steels : en fr
  • GB517515A - Improvements in or connected with the hulls of flying or motor boats : en
  • GB517586A - Improvements relating to sparking-plugs : en
  • US2188361A - Apparatus for converting currents : en
  • FR852319A - Shoe and sole for flat feet and sagging arch : en fr
  • US2188529A - Artificial tree : en
  • US2188673A - Filter for filtering liquids : en
  • DE687694C - Crank attachment for household machines : de en
  • FR852354A - Ignition distributor for engines : en fr
  • DE687560C - Runner for electrical machines with permanent magnet : de en
  • US2188618A - Insect exterminator : en
  • USD118695S - Design for a slipper or similar : en
  • US2188640A - Lace fabric : en
  • DE687666C - Drive device for the chassis of a self-propelled engine that drives a working machine arranged on the chassis : de en
  • US2188561A - Subframe member for velocipedes : en
  • DE687440C - Drive for circulating feed means on sewing machines : de en
  • DE687483C - Ceiling to be produced in dry construction from beams and cover plates : de en
  • DE687544C - Device for cleaning the melting channels of induction furnaces : de en
  • US2188858A - Oil seal : en
  • FR852500A - Improvements in the melting of aluminum or aluminum alloys and other easily fusible metals and alloys : en fr
  • FR50258E - Thermal box for stoves of all kinds : en fr
  • FR852371A - Manufacturing process for high quality lubricating oils : en fr
  • DE687530C - Control device for machine tools, especially for revolver swivel bases : de en
  • US2188815A - Gasket : en
  • US2188680A - Spiral binder : en
  • US2188807A - Resilient motor mounting : en
  • DE687597C - Stencil printing machine with electric drive : de en
  • DE687584C - Motorcycle with sidecar : de en
  • US2188513A - Spectacle mounting : en
  • DE687452C - Procedure for automatic traffic control : de en
  • FR852377A - Process for fractionating and extracting a mixture of isomeric organic compounds : en fr
  • FR852383A - Exhaust system for internal combustion engine : en fr
  • DE687565C - Beginnings for glassmakers : de en
  • DE687566C - Water heater coil that can be used in the combustion chamber of a cooking range : de en
  • DE677984C - Spring band for mattress coverings, bases for armchairs or the like. : de en
  • FR852468A - Device for recording the operating conditions of machines for several periods : en fr
  • GB517401A - Improvements in methods of preparing concentrates of natural vitamins : en
  • GB517435A - Process for the separation and purification of carbonyl compounds obtainable by side chain degradation of steroids : en
  • GB517455A - Improvements in or relating to the conversion of alkaline earth metal oxalates and the manufacture of alkali metal hydroxides : en
  • US2188517A - Magnetic separator : en
  • GB517526A - Improvements in or relating to infra red and longer wave length radiating tubes : en
  • US2188495A - Method for the production of terpene derivatives : en
  • USD118791S - Design fob a dress : en
  • US2188431A - Air and other separator : en
  • US2188749A - Locomotive : en
  • USD118755S - Design for a storage battery box : en
  • GB517409A - Improvements in apparatus for melting soft metals : en
  • DE687491C - Display device for defects in paper or fabric webs : de en
  • FR50255E - dynamic balancer : en fr
  • FR852409A - Arrangement of support rollers for tracked vehicles : en fr
  • US2188724A - Combination buck stacker and loader : en
  • US2188789A - Terminal block : en
  • USD118693S - Design for a pull for a slide : en
  • US2188308A - Connecting mechanism : en
  • US2188536A - Apparatus for twisting dough : en
  • US2188662A - Fountain pen : en
  • FR852481A - Device allowing the projection of artificial light without dazzling : en fr
  • FR852417A - Telephone amplifier : en fr
  • GB517425A - X-ray contrast media : en
  • GB517580A - Improvements in or relating to radio direction finding receivers : en
  • DE687690C - ordered electrodes : de en
  • FR50270E - Vacuum fall protection device : en fr
  • GB517563A - An improved instrument for indicating the attitude and behaviour of aircraft in flight : en
  • GB517480A - Photographic layers and process of manufacture thereof : en
  • FR50286E - Container for collecting, transporting and storing freshly drawn milk : en fr
  • GB517489A - Improvements in or relating to couplings for liquid fuel burners : en
  • CA386576A - Glow discharge device : en fr
  • US2188316A - Method of forming axle housings : en
  • GB517395A - Apparatus for heating and spraying viscous waxes and oils : en
  • CH208301A - Device for grinding haysticks. : de en
  • CA386603A - Nitrous oxide production : en fr
  • US2188836A - Radiator valve and trap : en
  • AU24439A - Improvements in or relating to indicator correcting arrangements for use in radio direction finding and other apparatus : en
  • CH208372A - Device for determining the mean value of a measured variable in a specific period. : de en
  • DK57204C - Locking list of resilient material for doors, windows and hatches. : da en
  • US2188733A - Automatic display device : en
  • CA386628A - Heater draft control : en fr
  • AU398639A - Improvements in and connected with hooks, shackles, andthe like : en
  • AU72439A - Improvements relating to traffic signals : en
  • US2188510A - Motion transmitting means : en
  • US2188734A - Selective herbicide : en
  • CH208444A - Method for preparing smallpox vaccine. : en fr
  • GB517589A - Improvements in and relating to miners' safety lamps : en
  • CH208364A - Fixing device for non-slip ski strip. : en fr
  • FR852359A - : fr
  • AU109603B2 - Improvements in and connected with hooks, shackles, andthe like : en
  • CA386639A - Chimney draft device : en fr
  • CH208324A - Furnishing provided with ovens. : de en
  • DE687445C - : de en
  • DE687640C - Dialer arrangement for fully and semi-automatic telephone systems : de en
  • FR852451A - Method and arrangement of relaxers to produce sawtooth currents : en fr
  • US2188340A - Process of reacting methyl vinyl ketone with hydrogen cyanide and products thereby obtained : en
  • GB517513A - A combined precision measuring tool : en
  • CA386631A - Radio selectivity control circuit : en fr
  • US2188666A - Gyratory crusher : en
  • USD118707S - Design for a plate or similar article : en
  • DE687625C - Warning signal system, especially for railroad crossings, with power supply and battery and a switching warning lamp during the night : de en
  • FR852346A - : fr
  • US2188515A - Sanitary fitting for thermometer bulbs : en
  • AU46339A - Improvements in method of and apparatus for continuously and automatically separating the solid constituents fromthe liquid constituents ofa cyanided ore pulp, and for separating the precipitates from cyanide solutions : en
  • US2188661A - Electronic device : en
  • FR852328A - : fr
  • USD118692S - Design for a shoe : en
  • DE687598C - Film printing stencil : de en
  • DE687622C - Protection device for the compressor drive machine of single-chamber compressed air fluid conveying systems : de en
  • GB517607A - Improvements in scanning devices : en
  • GB517408A - Improvements in the cooling water systems of internal combustion engines for aeroplanes : en
  • US2188396A - Method of preparing polyvinyl halide products : en
  • US2188520A - Party line telephone system : en
  • US2188612A - Automobile visor map roller attachment : en
  • CH208346A - Process for the manufacture of wadding filters for cigarettes. : en it
  • AU109646B2 - Ornamental glass product and method of manufacture thereof : en
  • CH208399A - Method for threading threads using a plunge-cut grinding wheel. : de en
  • SU56333A1 - The method of obtaining nitrocellulose-rubber varnishes : en ru
  • FR852384A - : fr
  • FR852395A - Funnel for filling containers quickly and with as little liquid loss as possible : en fr
  • FR852352A - Cable drum : en fr
  • US2188853A - Piston rod testing apparatus : en
  • USD118801S - Design for a lace collar or similar : en
  • US2188535A - Measured service telephone system : en
  • US2188297A - Animal trap : en
  • USD118715S - Design fob a hinge ob similab abticle : en
  • US2188709A - Adjustable chimney cowl : en
  • US2188371A - Method of impregnating products with liquid agents : en
  • DE687572C - Portable box for storing elastic dropper bottles with capillary discharge openings which are used to hold analysis fluids : de en
  • DE687668C - Process for the digestion of cellulose or cellulose-containing raw materials into sugars : de en
  • AU109591B2 - Improvements in gauges or measuring stops for bar shears, croppers, and wire cutting machines : en
  • DE687548C - One-piece sealing plate, in particular a fabric seal : de en
  • DE687615C - Self-seller : de en
  • AU109596B2 - Improved process and apparatus for making base assemblies for sealed glass envelopes : en
  • DE687678C - Collecting device of a die setting and line casting machine : de en
  • CH208388A - Clock with a speed regulator controlled by a synchronous small motor. : de en
  • US2188842A - Hamburger shaping device : en
  • USD118807S - Design for a lady s undergarment : en
  • FR852308A - Device for the production of colored or stereoscopic television images : en fr
  • GB517554A - Improvements in speed and distance indicators for vehicles (including aircraft, ships, submarines) : en
  • DE687574C - Fuel injection pump for fast running internal combustion engines : de en
  • CA386557A - Concrete wall : en fr
  • DE687474C - Powder base : de en
  • DE687524C - Connecting rod for internal combustion engines : de en
  • CH208457A - Portable advertising device with a plurality of gas and respectively. Vapor discharge tubes. : de en
  • AU112481B2 - Luminous zinc-beryllium silicates and method of producing same : en
  • US2188353A - Removal of dirt : en
  • US2188743A - Milling cutter : en
  • US2188809A - Vacuum cleaner : en
  • CH208424A - High voltage cable with sleeve insulated with impregnated paper. : de en
  • DE687506C - Automatic height adjustment device for swivel chairs u. like : de en
  • CH208355A - Matrix for the manufacture of screens by electrolytic deposition and method of manufacturing this matrix. : en fr
  • AU115939A - Improvements in processes for mineral separation : en
  • CH208344A - Device for shaking a good. : de en
  • DE687551C - vehicle rowing : de en
  • DE669588C - Construction drying oven : de en
  • FR852396A - New shaping for the modification of geometric shapes of metal parts : en fr
  • GB517551A - Improvements in or relating to electrical compasses for air or other craft : en
  • DE687521C - Foldable stand for electric lamps : de en
  • AU109638B2 - Improvements relating to metallurgical process and apparatus : en
  • USD118710S - Design fob carbon holder for elec : en
  • USD118748S - Design for a combined connecting : en
  • CH208323A - Filter system for cleaning wood gas for motor vehicles. : de en
  • US2188393A - Latch hinge construction : en
  • US2188505A - Cuff link : en
  • CH208345A - Mouthpiece on cigars and cigarettes and its manufacturing process. : de en
  • CH208419A - Electrodynamic vibratory drive for work machines, such as sieves. : de en
  • DE687411C - Electric clock winding with a continuously running winding motor : de en
  • FR852387A - Process for recovering the residual palm oil incorporated in the mass of palm fruits, fibers or others having undergone a first deoiling operation and device for implementing this process : en fr
  • US2188624A - Reamer attachment : en
  • GB517410A - A new or improved cooler for oil and other liquids : en
  • DE678104C - Circuit arrangement for generating two complementary characters, in particular for the purpose of guide beam formation : de en
  • CA386638A - Picture projector : en fr
  • FR852471A - Electric forklift with non-explosive motor : en fr
  • FR852435A - Rotary impeller pump, liquid ring, for gaseous media : en fr
  • GB517418A - Improvements relating to bearings : en
  • USD118808S - Design fob a hat : en
  • US2188313A - Fluid pressure operated variable pitch propeller : en
  • US2188498A - Remote control wave signal receiver : en
  • US2188652A - Animal trap : en
  • AU109604B2 - Improvements in or relating to magnetron detector arrangements : en
  • FR852448A - Index file : en fr
  • GB517552A - Improvements in steam valves for revolving cylinder steam engines : en
  • US2188516A - Apparatus for magnetic separation : en
  • US2188660A - Towel dispensing apparatus : en
  • US2188793A - Heat-treating device : en
  • US2188402A - Bottle filler : en
  • USD118727S - Design fob a pitcher : en
  • CH208456A - Method and device for remote transmission, in particular for remote interrogation of counter readings or the like. : de en
  • CH208394A - Welding rod made of cast iron, cast steel or the like. Material that is non-deformable when cold. : de en
  • AU109651B2 - Improved truss for rupture : en
  • US2188338A - Folding platform for servicing airplane engines : en
  • US2188665A - Fabric stretching and straightening apparatus : en
  • AU109641B2 - Improvements in and relating to filing trays : en
  • CH208362A - Paper sledge for writing office machines. : de en
  • DE687600C - Pull-through furnace, especially tower furnace with heat exchange : de en
  • GB517412A - Improvements in or relating to disinfecting, sterilizing, perfuming and like devices : en
  • CA386573A - Hydrogen peroxide manufacture : en fr
  • DE687470C - Thermal overcurrent switch : de en
  • GB517461A - Improvements in or relating to sewing and mechanism adapted for use in sewing machines : en
  • CA386538A - Hydroplane hull : en fr
  • CA386611A - Packing material for fractionating and scrubbing towers : en fr
  • CA386629A - Tuning device for lecher-wire systems : en fr
  • USD118716S - Design fob a combination toilet seat : en
  • SU56299A1 - Electric furnaces : en ru
  • US2188687A - Method and apparatus for recording and reproducing sound : en
  • US2188748A - Calculating machine : en
  • GB517430A - Means for operating electric gas-discharge lamps : en
  • US2188304A - Sanitary toothpick dispenser : en
  • US2188372A - Refrigeration : en
  • US2188471A - Wrist watch bracelet clasp : en
  • CH208321A - Installation in firing systems for the return of the unburned carbonization gases. : de en
  • CH208380A - Limit switch arrangement on steel tone machines. : de en
  • DE687399C - Method and device for opening flat folding boxes : de en
  • FR852372A - Process for making fibrous materials impermeable to water : en fr
  • CH208333A - Method and device for the production of a warpable fiber sliver made of viscose wool that can be spun directly without a subsequent combing process. : de en
  • DE687613C - len and similar fittings : de en
  • CA386634A - Acid component removal from hydrocarbon distillates : en fr
  • US2188425A - Pump trap : en
  • US2188877A - Temperature control system : en
  • US2188883A - Condensation product and method : en
  • FR852320A - Plane with pop-up landing gear or pop-up floats : en fr
  • CA386605A - Multipactor phase control : en fr
  • US2188879A - Vehicle underframe construction : en
  • US2188616A - Sickle holding and sharpening machine : en
  • US2188559A - Governor : en
  • US2188610A - Overflush mechanism for toilets : en
  • DE687400C - Parallel vice : de en
  • DE687578C - Schlaegermuehle : de en
  • CH208337A - Fabric presser drive device for leather sewing machines. : de en
  • CA386578A - Lamp bulb sealing-in machine : en fr
  • CH208412A - Hydraulic machine. : de en
  • DE687464C - by means of elastic tendons between the nut and the workpiece : de en
  • US2188395A - Laminated safety glass : en
  • US2188781A - Freezing tray : en
  • DE687387C - Process for the production of rubber-like polymers from 2-chlorobutadiene which do not harden on storage : de en
  • US2188827A - Saw machine base : en
  • US2188884A - Coating composition and method : en
  • CA386533A - Camera : en fr
  • CH208348A - Process for the preparation of a new oxyketone of the androstane series. : de en
  • GB517470A - Improvements in or relating to carburetters for internal combustion engines : en
  • US2188845A - Means for testing the electrical ignition systems of internal combustion engines : en
  • CA386648A - Spring cushion : en fr
  • DE687670C - Process for the production of chlorides of high molecular weight fatty acids : de en
  • FR852459A - Improvements to devices for controlling the flow of a liquid : en fr
  • GB517517A - Improved method of and apparatus for storing and transporting molten materials : en
  • US2188310A - Sheet of stars and method of manufacture : en
  • US2188411A - Vertical bar anchoring means : en
  • FR50278E - Invisible radio receiver : en fr
  • GB517478A - Improvements relating to wind screen wipers : en
  • DE687480C - Serving and dining table for self-service : de en
  • DE687696C - Sectional radiator : de en
  • DE687418C - Receiver with shrinkage control acting forwards and backwards in the high-frequency section : de en
  • GB517450A - Improvements in electric lamp fittings : en
  • GB517596A - Improvements in or relating to medicinal air pumps : en
  • DE687462C - Process for the production of capillary-active sulfuric acid derivatives of aliphatic compounds : de en
  • DE687559C - Receiving device for remote controlled systems : de en
  • US2188456A - Apparatus for grooving rubber applicator rolls : en
  • US2188477A - Method of forming vehicle wheels : en
  • US2188440A - Overshoe : en
  • DE687472C - Process for the production of light soap using sulphite cellulose waste liquor : de en
  • US2188392A - Purification of organic substitution derivatives of cellulose : en
  • GB517531A - Improvements relating to piston packing rings : en
  • CA386597A - Bottle capping apparatus : en fr
  • US2188408A - Passage type drawing frame for spinning fibers of various staple dimensions : en
  • US2188311A - Composition for stopping leaks : en
  • FR852370A - Process for obtaining elemental sulfur starting from pyrite : en fr
  • FR852442A - Vibrant light decor : en fr
  • CH208361A - Type lever drive for typewriters. : de en
  • DE687626C - Electric vehicle drive : de en
  • CA386566A - Printing press : en fr
  • DE687553C - : de en
  • US2188414A - Hinged last : en
  • AU23839A - Improved apparatus for cooling dwellings andthe like buildings : en
  • US2188711A - Roll film camera with exposure meter : en
  • CA386560A - Anti-skid device : en fr
  • CA386567A - Ironing machine clutch : en fr
  • CH208376A - Zeroing device on an adding, calculating or calculating typewriter. : de en
  • CH208473A - Arrangement for electric locomotives and wagons driven by AC series motors to achieve a distribution of the pulling force of the motors that corresponds to the wheel pressure distribution on the individual wheel pairs. : de en
  • DE687612C - he for liquid or gaseous fuels : de en
  • FR852488A - Sliding window : en fr
  • US2188802A - Cap and dropper : en
  • US2188894A - Track structure : en
  • USD118738S - Design for a combined porch lamp : en
  • CH208368A - Radio directional device. : de en fr
  • CH208404A - Device for removably joining two metal sheets. : en fr
  • AU109637B2 - Improvements relating tothe desulphurization of cast iron : en
  • DE687425C - Method and device for welding ringfoerm : de en
  • US2188552A - Fastening device : en
  • DE687473C - Device for automatic control of the draft of a heating device : de en
  • USD118805S - Design for an embroidered textile : en
  • AU385239A - Improvements relating tothe dyeing and finishing of textile materials : en
  • CA386547A - Anti-freeze composition : en fr
  • US2188506A - Method of desiccating fluid mixtures : en
  • CH208327A - Adjustable seat and deck chair with a handlebar guide. : de en
  • FR852493A - Car in residential tent : en fr
  • US2188478A - Modified coal tar and method for the production thereof : en
  • US2188484A - Cylinder paper making machine : en
  • US2188499A - Staggered frequency signal distribution : en
  • CH208325A - Coffee machine. : de en
  • US2188682A - Dispensing device : en
  • CH208339A - Suction and blower apparatus, in particular for industrial cleaning. : de en
  • US2188364A - Load lifter and balancer : en
  • SU56388A1 - Key (Octave Kocula) for electric musical instruments : en ru
  • GB517544A - Improvements in or relating to operating mechanisms for controllers for refrigerators : en
  • GB517560A - Improvements in letter cards : en
  • USD118781S - Design for a vanity case or similar : en
  • US2188722A - Bearing having a nonmetallic fabric lining : en
  • US2188817A - Decorative container : en
  • CH208432A - Fuse with remote control. : de en
  • US2188426A - Dental hand piece : en
  • USD118787S - Design fob a dress : en
  • CA386544A - Lip stencil : en fr
  • DE687419C - Device for remote control of any number of switching devices in a receiving station to be selected : de en
  • USD118741S - Design fob a match book : en
  • USD118782S - Design fob an atomizer : en
  • US2188428A - Auxiliary bag for vacuum cleaners : en
  • US2188314A - Pipe joint : en
  • US2188462A - Feeding mechanism : en
  • US2188635A - Switching mechanism : en
  • CH208434A - Vacuum vessel, especially for electron tubes. : de en
  • CH208311A - Wedge clamping device for fastening railroad tracks to perforated iron sleepers. : de en
  • DE687550C - Hammer mill arranged over a drying and sifting room : de en
  • GB517449A - Improvements in and relating to installations for the propulsion of watercraft : en
  • US2188738A - Curtain rod : en
  • FR852408A - Elastic mounting of support rollers for tracked vehicles : en fr
  • US2188740A - Portable bowling alley : en
  • US2188672A - Grab bucket : en
  • US2188766A - Brake mechanism : en
  • US2188777A - Peeparation of 2-keto aldonic acids from aldonic acids : en
  • GB517389A - Improvements in or relating to tally strip mechanism for accounting or like calculating machines : en
  • US2188295A - Process of knitting : en
  • US2188555A - Safety device for electrically controlled apparatus : en
  • CA386542A - Garden tool : en fr
  • US2188441A - Air valve : en
  • US2188668A - Means for flowing wells : en
  • AU563938A - Improvements in gauges or measuring stops for bar shears, croppers, and wire cutting machines : en
  • CH208369A - Radio beacon. : de en
  • USD118775S - Design fob an electric heater : en
  • DK57212C - Perforation mechanism in Machines for the production of tubular sack blanks of several layers of paper or similar materials. : da en
  • AU109635B2 - Improvements in water heaters : en
  • SU56334A1 - Machine for measuring skin area : en ru
  • US2188598A - Duplicating apparatus : en
  • US2188703A - Latch and lock mechanism for lockers, etc. : en
  • US2188837A - Molding and wrapping apparatus : en
  • USD118766S - Design for a dress : en
  • FR852331A - Device for clearing vehicle wheels : en fr
  • CA386632A - Hoist drive and control : en fr
  • CH208381A - Vibration organ for electrodynamic vibration transducers and method for producing a vibration organ. : de en
  • CH208396A - Clamping device for machine tools, especially small machine tools, such as. B. Décolleteuses, screw machines. : de en
  • CH208340A - Method for stiffening objects made of pliable fabrics, in particular for improving the wearing time and the appearance of items of clothing. : de en
  • US2188547A - Dust collector : en
  • CH208448A - Hair care device. : de en
  • DE687484C - Roof covering secured against air raids : de en
  • DE687585C - Whale bladder derinding machine : de en
  • FR852333A - Method and apparatus for treating water to prevent the effects of its hardness : en fr
  • GB517523A - Improvements in collapsible internal fittings for boxes or cartons suitable for holding and displaying cigarette packets and other articles : en
  • US2188530A - Contact member for sockets of plug and socket devices : en
  • US2188325A - Color photography : en
  • CH208471A - Electrically controlled locking and opening devices for sliding doors, in particular sliding doors for vehicles. : de en
  • DE687482C - Control device for one or more elevators : de en
  • DK57202C - Cans box with device for heating the contents of the box. : da en
  • GB517457A - Manufacture of sulphur-containing organic compounds : en
  • US2188834A - Control apparatus for vehicles : en
  • CA386540A - Dough raising cabinet : en fr
  • CH208328A - Reading table. : en fr
  • US2188379A - Suction cleaner : en
  • US2188885A - Condensation product and method : en
  • CA386532A - Distilled beverage processing : en fr
  • US2188646A - Pump assembly : en
  • US2188831A - Dual crank and connecting rod assembly : en
  • CA386652A - Fabric marking device : en fr
  • US2188494A - Filler and method of making same : en
  • AU18439A - Improvements in or relating to electron multipliers : en
  • CA386656A - Combined amplifying and rectifying system : en fr
  • DE687453C - Conductor's tongs : de en
  • AU137139A - Improved method of manufacturing pipes or like hollow articles of concrete or like plastic cement-containing material : en
  • CH208458A - Process for the production of metal tubes and tube produced by the process. : de en
  • CH208391A - Process for smelting, converting and refining copper and furnace for its execution. : de en
  • US2188538A - Vat dyestuffs of the benzanthrone-anthraquinone-acridine series : en
  • US2188597A - Butane tank : en
  • US2188482A - Reciprocating mechanism : en
  • US2188522A - Ensilage cutter : en
  • CH208304A - Canvas for horticulturalists. : en fr
  • CA386539A - Sink cover and sprinkler : en fr
  • US2188805A - Snow plow : en
  • AU109633B2 - Improvements relating tothe dyeing and finishing of textile materials : en
  • DE687609C - Process for the production of a stocking with foot and heel in the French style on the flat weft knitting machine : de en
  • AU24739A - Improvements in or relating to radio aerial installations : en
  • CH208306A - Rib with web for concrete ceilings without shuttering. : de en
  • DE687476C - Injection syringe for single use : de en
  • GB517419A - A new or improved means for varying the angle of incidence of aeroplane wings : en
  • DE687499C - Automatic firearm with pneumatic brake to slow down the rate of fire : de en
  • US2188459A - Fabric winding-down or drawing-off mechanism for knitting machines : en
  • GB517463A - Improvements in mechanism for applying patches and fasteners to envelopes and the like and to envelopes and the like made thereby : en
  • GB517608A - Improvements in coin-freed locks : en
  • USD118731S - Design for a cook stove : en
  • CA386555A - Headlight dimmer and glare shield : en fr
  • CH208423A - Process for the production of an object from ceramic insulating material. : de en
  • DE687469C - Control device for electromotive drives of trolleys : de en
  • US2188560A - Panel : en
  • CH208462A - Device for rotating baskets filled with items to be treated about a horizontal axis while they are being conveyed through a space in which the items to be treated are exposed to the action of a liquid or vaporous substance. : de en
  • US2188882A - Condensation product and method : en
  • US2188347A - Means for maintaining manifold forms in registration : en
  • US2188620A - Fastener : en
  • CA386618A - Very high frequency radio receiver : en fr
  • US2188397A - Curtain drying apparatus : en
  • US2188519A - Electrical switch : en
  • US2188532A - Door lock attachment : en
  • US2188819A - Tie-spacing device : en
  • USD118799S - Design for a combination slacks : en
  • BE437405A - : en
  • CH208392A - Plant for the continuous production of cast strands. : de en
  • DE687677C - Device for measuring or switching purposes for monitoring the axial play of machines, especially steam turbines, with an almost constant speed : de en
  • DE687700C - Temperature control of culture containers : de en
  • CH208312A - Sweeper with automatic opening and closing with gate forming shovel-picker. : en fr
  • US2188406A - Machine for forming springs : en
  • CH208335A - Method and device for erecting fancy thread chains in sizing machines. : de en
  • US2188771A - Electrode : en
  • CH208454A - Voter rack with multiple voters. : de en
  • US2188755A - Method of producing multiconductor signaling cables : en
  • US2188763A - Vehicle rocking device : en
  • DE687575C - Pipe T-piece : de en
  • AU27839A - Improvements inthe manufacture of foundry molds : en
  • AU109611B2 - Improvements in electric circuits adapted to operate electric discharge devices : en
  • CH208359A - Rotary printing press. : de en
  • GB517545A - Improvements in and relating to the production of railway rails, wheel rims, sheet piling, and the like : en
  • SU56448A1 - The method of obtaining rubber from rubber : en ru
  • US2188630A - Internal combustion engine : en
  • CA386625A - Pure titanium dioxide : en fr
  • AU109592B2 - Improvements in or relating to superbeterodyne receivers suitable for receiving television signals : en
  • FR852332A - Shed for bicycles, motorcycles, automobiles and similar vehicles : en fr
  • DK57209C - Gear mechanism for power transmission between two parallel axles with varying axle spacing. : da en
  • CH208435A - Electrically heated paternoster furnace with air circulation. : de en
  • DK57223C - Firearm with sliding and replaceable cannon barrel. : da en
  • GB517471A - Improved drive for machines in which a flywheel is repeatedly accelerated through engageable and disengageable couplings : en
  • AU23139A - Improvements relating tothe desulphurization of cast iron : en
  • USD118739S - Sol holstfin : en
  • USD118759S - Design fob a pin cup : en
  • GB517499A - Improvements in or relating to rear components for photographic objectives : en
  • CA386587A - Signalling device : en fr
  • CA386635A - Water softener : en fr
  • CH208463A - Chassis with rigid wheel axle. : de en
  • CA386568A - Textile twisting machine bobbin enclosure : en fr
  • AU23339A - Improvements relating to metallurgical process and apparatus : en
  • CH208437A - Electric incandescent lamp with a nitrogen gas filling. : de en
  • DE687444C - Flat-gauge off-road vehicle : de en
  • CA386574A - Graphitized carbon black : en fr
  • CH208371A - Device for an electrical circuit controlling temperature regulators, in particular diving regulators. : de en
  • CH208449A - Graduated tariff apparatus with a gear arrangement that can be changed automatically depending on the level of consumption, in particular electricity meter for graduated tariffs. : de en
  • FR852315A - Weapon with magazine containing several charges : en fr
  • US2188366A - Spray apparatus : en
  • US2188607A - Method of making lateral extensions from pipe lines : en
  • USD118752S - Design for a flower holder or : en
  • GB517506A - Forms for the construction of walls and similar building parts from concrete : en
  • US2188677A - Portable condition finder for invisible parts of automobiles : en
  • USD118806S - Design for a blouse or similar : en
  • CA386550A - Electric meat saw : en fr
  • IE15740L - Rectifier supplying different voltages : en
  • DE687591C - Fluid-cooled connection head for radiators to generate high temperatures : de en
  • FR852402A - Method and device for assembling pieces of wood : en fr
  • DE687428C - Process for heating regenerative flame ovens with coke oven gas or similar gases containing hydrocarbons : de en
  • GB517422A - Improvements in or relating to aircraft : en
  • DE687498C - Motor vehicle with rollers located between the running wheels and arranged on the underside of the vehicle : de en
  • GB517375A - Improvements in or connected with winding engines : en
  • FR852325A - : fr
  • DE687403C - Cable system for the distribution of electrical energy using multi-core aluminum cables : de en
  • DE687492C - : de en
  • FR50276E - Method for operating an internal combustion engine : en fr
  • FR50263E - Improvements to amplitude compressor amplifiers with negative feedback : en fr
  • GB517529A - Improvements in or relating to cartons for rolls of sheet material : en
  • DE687645C - : de en
  • GB517492A - Improvements in or relating to photographic and kinematographic cameras : en
  • GB517573A - Improvements in high-pressure metal-vapour electric discharge devices : en
  • GB517578A - Improvements in or relating to thermionic valves : en
  • GB517467A - Improvements in and relating to hydraulic piston valves : en
  • FR852460A - Improvements to the production, on Persians, Calencars, or Indians, of permanent glossy finishes : en fr
  • GB517568A - Improvements in catamenial appliances : en
  • FR852430A - Process for preparing opacified enamels using gases, in particular powder enamels : en fr
  • US2188854A - Oil seal : en
  • DE687391C - Three-wheeled motor vehicle : de en
  • US2188566A - Air conditioning system for buildings : en
  • US2188647A - Cathode ray apparatus : en
  • CH208308A - Window. : de en
  • US2188679A - Television and like system : en
  • FR852423A - Improvements to toy planes : en fr
  • FR852428A - Enamelling process, in particular dry enamelling : en fr
  • USRE21339E - Heat exchange apparatus : en
  • CA386651A - Concrete slab joint : en fr
  • AU132339A - Improvements in or relating to franking machines : en
  • CH208415A - Feed system for steam boiler. : de en
  • CA386626A - Moving stairway : en fr
  • AU109642B2 - Improvements relating to traffic signals : en
  • SU56432A1 - Contactless salesman : en ru
  • CH208465A - Device for displaying the direction of travel on vehicles, in particular streamlined cars. : de en
  • AU46939A - Device for holding lambs during branding, tailing, &c : en
  • CH208349A - Process for the production of tetrahydrofurans. : de en
  • AU184039A - Improvements in or relating to gravity separation of ores : en
  • DE687557C - Coupling of chassis with single axle drive, especially for locomotives : de en
  • DE687619C - Device for initiating several work movements required in a certain sequence, which are carried out using a pressure medium : de en
  • US2188302A - Means for stopping leaks in pipe lines : en
  • DE687424C - Plate rectifier with ventilation : de en
  • US2188806A - Electric circuit interrupter : en
  • CA386579A - Air conditioning system : en fr
  • CH208397A - Equipment for the hardening of profiled parts of great length. : en fr
  • DE687451C - Extractor consisting of two symmetrical halves : de en
  • GB517534A - An improved slow down gearing for use in printing, numbering and like machines : en
  • US2188583A - Walking beam bearing and hanger : en
  • US2188849A - Computing dispensing device : en
  • DE687617C - Device for switching on and off an internal combustion engine provided as a power source for a power consumer : de en
  • SU56349A1 - Method of stabilizing vitamin C concentrates : en ru
  • US2188444A - Combined internal combustion engine and cooling system : en
  • US2188550A - Baking pan set construction : en
  • USD118709S - Design for a paper box opener or : en
  • USD118771S - Design for a dress : en
  • US2188865A - Furnace control system : en
  • CA386646A - Para-phenanthrolin manufacture : en fr
  • CH208387A - Timer. : de en
  • US2188481A - Food composition : en
  • USD118711S - Design for a combination mail box : en
  • AU261839A - Improvements in or relating tothe electrode systems of cathode-ray tubes : en
  • CH208390A - Briquette for the preparation of molybdenum alloys with ferrous metals. : en fr
  • US2188731A - Traffic control system : en
  • DE687408C - Stretch for cotton and Like. And compression funnel for the route and drafting of flyers and fine spinning machines : de en
  • GB517524A - Improvements relating to fluid-blast electrical circuit interrupters : en
  • FR852490A - Adjustment device for electric generators of vehicles, in particular of automobiles : en fr
  • GB517594A - Improvements in or relating to shutter release mechanisms for photographic cameras : en
  • FR852497A - Welding improvements : en fr
  • GB517393A - Improvements relating to switching devices for use in dial illuminating arrangements : en
  • DE687605C - Circuit breaker with disconnection points connected in series : de en
  • FR852369A - Process for preparing sulfur : en fr
  • GB517394A - Improvements in electric measuring systems for indicating interval ratios : en
  • GB517482A - Improvements in or relating to electron discharge devices for television and like systems : en
  • USD118712S - Design for a support for spectacle : en
  • FR852403A - Cupboard latch : en fr
  • GB517537A - Steroid ketone compounds and their preparation : en
  • FR852326A - Fuel deaerator : en fr
  • GB517582A - Manufacture of sulphurised dihydro-polycyclic aromatic hydrocarbons and lubricating compositions containing the same : en
  • GR8736B - AUTOMATIC EXTRACTION SYSTEM FOR THE DETECTION DEVICE OF WAR AND TOXIC GAS IN GENERAL. : el en
  • DE687406C - Projection device for lenticular films : de en
  • FR852380A - Process for the hydrogenation of the products of the distillation and extraction of coals : en fr
  • DE687663C - Metal protective edge for propellers, especially those made of wood : de en
  • GB517587A - Improvements in or relating to gyroscopic instruments : en
  • US2188354A - Self-cleaning hydraulic spray device : en
  • US2188787A - Infant's hand guard : en
  • CA386609A - Electric transformer : en fr
  • AU255939A - Improvements in supporting and manipulating curtains andthe like : en
  • CH208422A - Generators for bicycle lights, flashlights and the like. : de en
  • CA386562A - Branding iron : en fr
  • DE687395C - Method of generating mist : de en
  • US2188576A - Harness for bedclothes : en
  • DE687650C - Protective screen for nose and mouth : de en
  • CH208442A - Face protection device for motorcyclists, skiers, etc. : de en
  • CH208467A - Snow tire. : de en
  • CA386600A - Cord winding machine : en fr
  • CA386601A - Abrasive : en fr
  • FR50252E - Advanced cowling : en fr
  • FR852309A - Device for creating a stream of cooled gas and for making it penetrate and distribute it in liquid masses : en fr
  • USD118776S - Design for a dress : en
  • CA386659A - Arsenobenzene-mono-sulphoxylate : en fr
  • BE437381A - : en fr
  • CH208416A - Apparatus for the production of pure steam, using the calories of other steam containing foreign substances. : en it
  • DE687698C - Device for automatic shutdown of the dispensing line by the counter indicator of liquid measuring devices : de en
  • US2188430A - Air or current separator : en
  • US2188434A - Method for adhering rubber to metal : en
  • CA386619A - Moulding process and material : en fr
  • CH208389A - Process for operating foundry shaft furnaces. : de en
  • DE687389C - Dilution of exhaust gases from motor vehicles by means of air from the cooling air flow of the engine : de en
  • GB517372A - Improvements in airscrews : en
  • AU541339A - Improvements in syphonic Hushing valves : en
  • FR852336A - Improvements to internal combustion engines : en fr
  • FR852496A - Improvements in the preparation of soles to be glued to shoes : en fr
  • CH208426A - Train lighting device. : de en
  • USD118763S - Design fob a jewelry component : en
  • US2188370A - Cooling apparatus : en
  • US2188651A - Inductance coil : en
  • US2188707A - Hardware for cedar chests and the like : en
  • DE687635C - Process for the production of high-pressure forms from synthetic resin by stamping : de en
  • FR852360A - Method for producing multi-color images intended to be viewed in reflected light and multi-color images intended to be viewed through transparency : en fr
  • DE687610C - Steam jet pump : de en
  • CA386571A - Mixing and reacting apparatus : en fr
  • CH208384A - Waterproof winding and time-setting mechanism. : en fr
  • CH208332A - Method and device for separating fiber materials from impurities, in particular for ginning cotton. : de en
  • AU109626B2 - Improved method of manufacturing pipes or like hollow articles of concrete or like plastic cement-containing material : en
  • CH208353A - Device for the production of oleo oil and similar products. : de en
  • DE687435C - gyroscope : de en
  • DE687528C - Process for cleaning and degreasing objects : de en
  • US2188750A - Method and device for wrapping packages : en
  • AU73239A - Improvements in windmills : en
  • USD118720S - Design for a supper : en
  • US2188729A - Running board for railroad cars : en
  • USD118728S - Design for a milk can : en
  • US2188344A - Polyvinyl acetal resins and a process for the preparation thereof : en
  • US2188358A - Wire fabric machine : en
  • CA386558A - Milking apparatus valve : en fr
  • GB517574A - Improvements in and relating to gas blast electric switches : en
  • US2188816A - Electric fuse and indicator : en
  • USD118722S - Design for a lady s shoe ob similar : en
  • USD118737S - Design for a scales model ornament : en
  • CA386551A - Hollow concrete slab : en fr
  • DE687432C - Injection molding machine for plastic masses, especially synthetic resin : de en
  • DE687404C - Electric switch : de en
  • US2188590A - Nonsmudging transfer sheet : en
  • GB517518A - Improvements in or relating to electrically operated railway or tramway points shifting mechanism : en
  • GB517530A - Process for the manufacture of water gas enriched with hydrogen : en
  • CA386608A - White lead pigment : en fr
  • DE687648C - Gas generating plant for vehicles : de en
  • FR852405A - Improvements in electrical material isolation processes : en fr
  • FR50279E - : fr
  • US2188374A - Loading and transporting apparatus : en
  • CH208411A - Device for setting up and transporting masts, scaffolding poles and the like. : de en
  • DE687384C - Mouthpiece for vacuum cleaner with a brush ring arranged around the opening : de en
  • GB517377A - Improvements relating to electric light fittings : en
  • DE687398C - : de en
  • DE687688C - Brush system for electrical machines : de en
  • CH208379A - Method for stereophonic recording of sound vibrations and device for carrying out the method. : de en
  • DE687702C - Process for the production of impregnated paper vessels with folding lock and impregnation device for such paper vessels : de en
  • DE687644C - : de en
  • GB517406A - Improvements in radiators suitable for use with internal-combustion engines : en
  • DE687586C - Wheel frame with fork rocker to make bed guns mobile : de en
  • US2188708A - Food cabinet : en
  • US2188759A - Box covering machine : en
  • US2188761A - Device for controlling the flow of liquids : en
  • CA386572A - Hydrogen peroxide production : en fr
  • US2188351A - N-substituted sulphamate : en
  • US2188570A - Armature for electric speedometers : en
  • US2188823A - Knitting needle : en
  • GB517413A - Non-slipping horse-shoe : en
  • FR852486A - Device for determining machine speeds : en fr
  • US2188767A - Cement and cementing operation : en
  • US2188678A - Process of topping : en
  • DE687386C - Board formwork for demountable wooden structures : de en
  • DE687616C - Double ignition with battery and magnet ignition that can be switched on alternately and double breaker : de en
  • FR852318A - Liquid ski filler : en fr
  • US2188852A - Floor rack for refrigerator cars : en
  • GB517481A - Means for preserving the shape of men's collars and for retaining the necktie in position : en
  • GR8747B - MANNER OF MANUFACTURING ARTIFICIAL DRINKING CARBOHYDRATE, BEVERAGES AND THERAPEUTICS. : el en
  • DE687679C - Depositing device of a die setting and line casting machine : de en
  • DE687691C - Electron tubes, especially for very high frequencies : de en
  • GB517402A - Improvements in or relating to boxes or cartons used as display devices : en
  • GB517437A - Improvements in or relating to suction cleaners or other electrically-operated portable appliances : en
  • FR852393A - Gasifier opening base : en fr
  • GB517415A - Improvements in electrochemical treatment of metal : en
  • DE687606C - : de en
  • FR50275E - : fr
  • GR8746B - INSULATION OF ELECTRIC ACCUMULATORS FROM WOOD OF COMMON CYPRUS. : el en
  • FR50271E - Improvements in wads for hunting cartridges and equipment for their manufacture and installation : en fr
  • GB517609A - Improvements relating to the manufacture of rubber flooring material : en
  • DE687608C - Jacquard flat knitting machine with needle feet sunk into the needle channels : de en
  • US2188572A - Air filter loader : en
  • US2188543A - Bakepan cover : en
  • US2188772A - Method of distilling mixtures containing vinyl aromatic hydrocarbons : en
  • CA386598A - Thin babbitt bearing : en fr
  • AU109629B2 - Mechanically adjustable and detachable buttons : en
  • US2188357A - Dumb-waiter control system : en
  • US2188546A - Fluid motor : en
  • CH208400A - Stubble shearer. : de en
  • CA386536A - Portable sewing machine : en fr
  • DE687576C - Corrugated cardboard jacket for pipes insulated against heat and cold losses : de en
  • FR852361A - Moisturizer : en fr
  • DE687514C - Method and device for generating block ice in the storage room by means of natural cold : de en
  • US2188841A - Shoelace : en
  • DE687545C - Thermal measuring instrument for flammable gases : de en
  • FR852436A - Process for the production of building materials : en fr
  • GB517371A - Improvements in and relating to air or gas compressors : en
  • FR852312A - Electrolytic metal polishing process : en fr
  • DE687513C - rag and printing machines : de en
  • US2188502A - Method of and apparatus for making patterns : en
  • US2188770A - Treatment of oil : en
  • CH208313A - Snow blower. : de en
  • CH208461A - Conveyor pipe for increasing conveyance of coke, coal and similar bulk material. : de en
  • US2188475A - Evaporator for refrigeration systems : en
  • CH208343A - Piece of clothing for winter sports and other applications. : en fr
  • AU109594B2 - Improvements in or relating to modulated carrier wave transmitters : en
  • DE675459C - Construction drying oven : de en
  • DE687433C - Process for the fragmentation of sulphidic ores : de en
  • CH208427A - Electrical high-performance switch for high voltages that can be transported by rail and ready for operation. : de en
  • US2188511A - Grading scale : en
  • USD118742S - Design fob a ijghting fixture : en
  • US2188625A - Device for the heating of flowing liquids such as rubber latex : en
  • FR50294E - Watertight metal packaging and method and device for obtaining it : en fr
  • CA386535A - Ball shaping and sizing apparatus : en fr
  • AU17139A - Improvements in or relating tothe protection of magnesium and magnesium alloys : en
  • DK57214C - Procedure for Making and Reproducing a Photographic Sound Record. : da en
  • US2188788A - Die : en
  • US2188537A - Di-benzanthrone-anthraquinone-di-acridines : en
  • US2188592A - Invalid bed : en
  • US2188594A - Crankshaft chuck : en
  • US2188638A - Conversion of hydrocarbons : en
  • US2188386A - Sheet material having crystalline effects : en
  • US2188432A - Air and other separator : en
  • US2188487A - Apparatus for treating water : en
  • USD118702S - Design for a service station : en
  • CH208341A - Openwork armpit insert for items of clothing. : de en
  • US2188828A - Fountain inkwell : en
  • US2188891A - Automobile hood : en
  • DE687604C - Button arrangement for high frequency transmitter : de en
  • USD118723S - Design for a funnel : en
  • DE687388C - on : de en
  • CH208459A - Prismatic cardboard container. : de en
  • US2188735A - Pressure cooker : en
  • GR8740B - METHOD OF PREVENTIVE INVENTION OF GLASS WATER HEAT INSULATION VACUUM (THERMOS). : el en
  • US2188727A - Fifth wheel : en
  • USD118697S - Design fob a kope clamp : en
  • US2188783A - Faucet : en
  • DE687570C - he internal combustion engines : de en
  • US2188443A - Swivel button : en
  • CA386612A - Fibrous material for fluid contacts : en fr
  • US2188412A - Sash and store front construction : en
  • US2188467A - Telephone system : en
  • CH208417A - Delivery device for gaseous or liquid media. : de en
  • US2188580A - Cathode ray deflecting circuit : en
  • CH208438A - Electric light bulb with a 4 atm. excess operating pressure. : de en
  • US2188720A - Abrading machine : en
  • DE687517C - Voltage divider with step-by-step sampling or removal of partial voltages by means of a grinder : de en
  • US2188718A - Protector pad and supporter : en
  • DE687463C - Process for cleaning synthetic resins, in particular phenol-aldehyde condensation products : de en
  • DK57210C - Rail Head Protective Sheath for Use in Aluminum Thermal Rail Welding. : da en
  • US2188730A - Expansion envelope : en
  • FR852452A - Process for the manufacture of new azo dyes and their application to the coloring of cellulosic materials : en fr
  • FR852483A - Electricity meters and other sliding scale tariff devices including a control that varies automatically with consumption : en fr
  • DE687515C - Arrangement for the elimination of low-frequency interference in a coil system with several coils that are essentially the same : de en
  • FR50256E - Process for directly producing iron or steel in liquid state : en fr
  • US2188870A - Process of preparing derivatives of the cyclopentanopolyhydrophenanthrene : en
  • USD118802S - Design fob a lace collar or similar : en
  • US2188539A - Universal metal melting furnace : en
  • AU109619B2 - Improvements in or relating to circuits for operating high-pressure mercury-vapour lamps : en
  • DE687589C - Device for continuous diffusion : de en
  • DE687639C - Anode power saving circuit for an amplifier tube : de en
  • DE687724C - Loading device for guns : de en
  • FR50274E - Anti-fog and anti-icing heater, in particular for windshields and windows of automobiles and airplanes : en fr
  • AU109620B2 - Improvements in or relating to machines for driving fasteners into a workpiece : en
  • CH208302A - Protection agents for soil and plants in agriculture and horticulture. : de en
  • CA386577A - Enclosed arc lamp : en fr
  • US2188436A - Alternating current rectifying circuit : en
  • US2188488A - Filter and the method of making the same : en
  • CA386527A - Piston casting manufacture : en fr
  • CH208317A - Heating device. : de en
  • CH208468A - Device for preventing two-wheeled vehicles, in particular motorcycles, from tipping over. : de en
  • DE687561C - Variable capacitor : de en
  • US2188422A - Fluid-tight attachment and tubular rivet therefor : en
  • GB517546A - Improvements in laminated springs : en
  • SU56335A1 - A device for typing pencils and clip : en ru
  • US2188859A - Fuel injection pump : en
  • CH208436A - Gas burner. : de en
  • US2188387A - Sheet material having crystalline effects : en
  • US2188593A - Shower bath appliance : en
  • US2188874A - Secondary delta 1-alkenyl malonic esters and process of producing same : en
  • GB517367A - Process for the manufacture of cast iron : en
  • FR852341A - Volume compression device for sound reproducing devices : en fr
  • GB517387A - Improvements in machines for shearing metals : en
  • CH208413A - Hydraulic motor with reciprocating rotary motion. : en fr
  • CH208477A - Device for aseptic root treatment. : de en
  • US2188398A - Absorption dynamometer : en
  • SU56347A1 - Device for automatically cutting sheets from glass stretching tape on Fourcot machines : en ru
  • FR852389A - Hydraulic shock absorber for vehicles : en fr
  • GB517559A - Coloured photographic layers and process of manufacture thereof : en
  • DE687523C - Insert for tobacco pipes with a screw-shaped metal strip that fits into a metal tube : de en
  • DE687709C - peld wire twisting machines : de en
  • GB517576A - Improvements in or relating to commutators for dynamo-electric machines : en
  • FR50284E - Ship porthole with pivoting and oscillating window holder : en fr
  • GB517504A - Improvements in or relating to lens systems : en
  • CA386549A - Elevator bucket : en fr
  • CA386658A - Railway car truck : en fr
  • US2188496A - Air conditioning means for rail cars : en
  • US2188355A - Master cylinder : en
  • CA386546A - Snow excavator : en fr
  • CA386561A - Coasting sled : en fr
  • FR852334A - Improvements to papermaking machines : en fr
  • FR852412A - Device for determining the distance of air vehicles from the ground surface : en fr
  • US2188479A - Dispenser : en
  • FR50299E - Packaging material, in particular paper and method of making it : en fr
  • FR50296E - Apparatus for drawing lotteries and similar operations : en fr
  • DK57219C - Fast-moving surface vessel. : da en
  • GB517584A - Improvements relating to self-locking nuts and like internally screw-threaded members : en
  • DE687426C - Arrangement for determining the starting time of current or voltage pulses for supplying the control voltages of controlled discharge paths, which are used in particular for switching electrical resistance welding machines : de en
  • DE687443C - Mobile liquid container : de en
  • FR852327A - Friction clutch : en fr
  • GB517432A - Improvements in and relating to diesel engines : en
  • US2188717A - Mop cleaner : en
  • GB517535A - Improvements in or relating to hair-straightening appliances : en
  • FR50266E - Photographic slit shutter : en fr
  • GB517501A - Improvements in or relating to lenses : en
  • DE687497C - Lift roller : de en
  • GB517533A - A combined washing and wringing machine : en
  • FR50260E - Receiver of t. s. f. with dial placed in front of the loudspeaker : en fr
  • GB517468A - Improvements in and relating to dynamo electric machines : en
  • FR852375A - Process for making wooden pavings non-slip with possible application to tarred roads : en fr
  • FR852441A - Device for lifting a container, such as a saucepan : en fr
  • GB517404A - Improvements in or relating to universal couplings : en
  • FR50295E - Device for obtaining a uniform temperature over the entire length of the test bars, in particular in the hot rupture test or in the hot duration test : en fr
  • FR852355A - Device for mounting cathode ray tubes with protective resistor : en fr
  • US2188389A - Electrical high frequency signaling system : en
  • USRE21340E - Grain pan raising and lowering : en
  • DE687623C - Anti-skid device for pneumatic tires : de en
  • USPP360P - Gladiolus : en
  • GB517452A - Process for regenerating copper contained in the waste liquors of cuprammonium artificial silk production : en
  • DE687718C - Method for burning vaeran anchors into artificial teeth : de en
  • DE687495C - Arrangement of the individual images in multi-image bitmap images : de en
  • US2188401A - Apparatus for tempering glass : en
  • US2188704A - Engine throttle governor : en
  • US2188784A - Shaft seal : en
  • DE687588C - Tape reel on a device for manufacturing mouthpiece filters : de en
  • GB517488A - Improvements in and relating to two-stroke internal combustion engines having twin cylinders with common combustion chambers : en
  • US2188521A - Hand brake mechanism : en
  • US2188578A - Luggage cart : en
  • US2188319A - Adsorbate and method of making the same : en
  • US2188442A - Apparatus for conditioning yarn and other strand materials : en
  • DE687620C - of paper packages : de en
  • USD118761S - Design fob a dress : en
  • USD118800S - Design fob a lace collar or similar : en
  • DE687581C - Gear for changing the blade pitch angle of adjustable propellers : de en
  • FR852303A - : fr
  • FR852364A - Improvements to notebooks, agendas, calendars and the like : en fr
  • FR852495A - Process for the preparation of products for initiating explosive charges for exploded rivets : en fr
  • DE687508C - Feed gear for machine tools, especially milling machines : de en
  • FR852450A - Safety hook : en fr
  • US2188368A - Internal combustion engine : en
  • SU56296A1 - Device for remote control of tanks for liquid fuel : en ru
  • FR852306A - Improvements to folding glasses : en fr
  • US2188872A - Multiple vision clock : en
  • DE687436C - Rotary valve seal : de en
  • DE687594C - Method of making molds : de en
  • FR852337A - Electric capacitors : en fr
  • GB517456A - Improvements in or relating to the manufacture of azo pigments : en
  • FR852462A - Advanced drying facility : en fr
  • GR8738B - SPECIAL CAP FOR EXERCISE IN THE USE OF ANTI-STUFFING PERSONS AND SIMILAR. : el en
  • GB517575A - Cable driving gear : en
  • DE687603C - Lifting rotary dial with square movement for telecommunication systems, especially telephone systems : de en
  • GB517459A - Method of dust-proofing fuel by spraying viscous waxes and oils thereon : en
  • FR852307A - Method for producing stereoscopic and colored television images : en fr
  • US2188381A - Suction cleaner : en
  • USD118778S - Design fob an atomizer : en
  • USD118804S - Design fob a slip : en
  • US2188587A - Coupler : en
  • US2188820A - Photographic camera : en
  • CA386657A - Oscillation generator : en fr
  • CH208315A - Hand rams, especially for road construction. : de en
  • US2188826A - Huller type cotton gin : en
  • US2188873A - Making articles from powdered components : en
  • DK57224C - Tank system for storage of volatile liquids. : da en
  • US2188470A - Wire drawing die and die holder : en
  • US2188685A - Delayed action switch : en
  • USD118735S - Design for a cigarette holder : en
  • USD118797S - Design for a textile fabric or sim : en
  • CA386553A - Powder and puff box : en fr
  • CH208452A - Arrangement for pulse transmission by means of relays using alternating current, in particular for modulating carrier-frequency alternating currents in accordance with a pulse train transmitted as ringing alternating current. : de en
  • DE687722C - Metal hollow body for aircraft : de en
  • DE687573C - Rotary piston internal combustion engine with slide pistons which are displaceable in the piston drum and guided on slideways in the housing : de en
  • CA386624A - Titanium salt solution seeding agent : en fr
  • DE687479C - Extending table : de en
  • US2188675A - Grinding machine : en
  • USD118798S - Design fob a textile fabric ob sim : en
  • DE687628C - Quartz-containing, thermally conductive compound as a filler for electrical machines and apparatus : de en
  • DE687454C - Steam chiller : de en
  • GB517528A - Improvements in flameproof electric switches : en
  • US2188829A - Attachment for electrical frequency shifters : en
  • FR50273E - : fr
  • GB517564A - An improved packet, wrapper or container for braid, tape, cord, yarn or the like : en
  • US2188689A - Vehicle spring : en
  • US2188830A - Potentiometer : en
  • GB517448A - Improvements relating to pianofortes : en
  • US2188782A - Processing machine : en
  • CH208474A - Toothbrush. : de en
  • DE687701C - Feeding device for material webs made of paper or the like on tube winding machines or the like. : de en
  • USRE21337E - Door weather strip : en
  • FR852438A - Control for paddle wheeled ship thrusters : en fr
  • US2188893A - Refrigerating apparatus : en
  • DE679880C - Procedure for laying self-damping overhead lines : de en
  • GB517391A - New and improved thermostatic regulator : en
  • FR852310A - Sound-visual film apparatus : en fr
  • GB517538A - Improvements in or relating to electric hot-plates : en
  • DE687552C - Truck trailer tipping device operated by liquid pressure for power and manual operation : de en
  • IE15718L - Pulley block. : en
  • US2188835A - Stop signal : en
  • USD118758S - Design for a pin clip : en
  • CA386647A - Para-phenanthroline derivative manufacture : en fr
  • FR50272E - Eyeshadow excipient : en fr
  • GB517565A - Improvements relating to bearings for pulleys and like rotatable bodies : en
  • AU114594B2 - Improvements in and relating tothe construction and assembly of inter'fitting machine and like parts : en
  • CA386616A - Radio high frequency tuner : en fr
  • AU515138A - A process for producing carriers for medicinal substances : en
  • DE687516C - Stranding machine for manufacturing lead-sheathed cables : de en
  • FR852422A - Objects for high temperatures, in particular an electric heating conductor and method for its manufacture : en fr
  • US2188565A - Fuel burner control system : en
  • US2188474A - Air and other separator : en
  • AU24039A - A spreader for distributing farm yard manure, lime, fertilisers and seed and for topdressing land : en
  • GB517592A - Improvements relating to the prevention and dispersion of fog : en
  • DE687475C - Medical syringe : de en
  • AU350539A - Improvements in or relating to methods of mechanical scanning of sound recordings : en
  • DE687636C - Periodic absorption refrigeration machine : de en
  • GB517585A - Improvements in or relating to controlling devices for fluid pressure brakes : en
  • US2188824A - Top spinning device : en
  • US2188846A - Ratchet device : en
  • GB517605A - Improvements in screens of material adapted to be excited to luminescence by the incidence of charged particles : en
  • GB517442A - Improvements in alloys and their manufacture : en
  • US2188528A - Method of and machine for conditioning stereotype matrices : en
  • DK57200C - Method and Machine for Electrical Welding of Plate Radiator Elements. : da en
  • DE687500C - Alarm system, in particular fire alarm system : de en
  • FR852349A - Teaching object : en fr
  • US2188307A - Preparing shredded tobacco : en
  • US2188864A - Grease and method of making the same : en
  • USD118736S - Design fob a slipper : en
  • US2188632A - Diaphragm : en
  • US2188871A - Registering device for strip material : en
  • FR852347A - Device for carrying an umbrella on the bicycle : en fr
  • DE687554C - Suspension device for pipes, cables, lights, etc. in the mine : de en
  • DE687448C - Can closure : de en
  • US2188312A - Conversion of hydrocarbon oils : en
  • FR50265E - Automatic washing machine : en fr
  • DK57221C - Klapdavid. : da en
  • GB517511A - Improvements in or relating to sewing and mechanism adapted for use in sewing machines : en
  • FR852348A - Bottle stopper : en fr
  • FR852449A - Branch box : en fr
  • FR852420A - Installation circuit breaker with magnetic, thermal and free tripping : en fr
  • GB517446A - Means for use in recording the speed and acceleration or speed and retardation or acceleration or retardation of moving bodies : en
  • USD118725S - Design for a drink mixing cup : en
  • US2188558A - Multiple pie plate holder : en
  • US2188676A - Apparatus for dispensing measured charges of fluent material : en
  • FR852316A - Frame label holder : en fr
  • DE687708C - Self-loading weapon : de en
  • US2188664A - Valve stem packing : en
  • DE687467C - High-frequency marine cables with air-space-insulated concentric lines or shielded twisted double or star-quad lines and vacuum amplifier tubes switched on at intervals and housed in watertight and pressure-tight containers : de en
  • GB517443A - Improvements in and relating to the construction of mortarless refractory brickwork : en
  • GB517590A - Improvements in or relating to forced flow steam or other vapour generators : en
  • USD118786S - Design for a dress ensemble : en
  • AU557238A - Improvements in water heaters : en
  • CH208440A - Metal halide electric discharge lamp. : de en
  • DE687569C - Device for removing immersion bodies made of cellulose derivatives and similar film-forming substances from the immersion form : de en
  • DE687457C - Automatic safety gas lock : de en
  • US2188377A - Apparatus for dispensing photographic ribbon film : en
  • US2188606A - Gyroscopic apparatus for determining the inclination of an airplane : en
  • USD118733S - Unttfd statfs patfnt offitf : en
  • DE687579C - Smoke generator with gas fire for smokers : de en
  • US2188324A - Making sulphuric acid : en
  • US2188367A - Key ring construction : en
  • US2188509A - Escalator cover : en
  • US2188653A - Electronic oscillation generator : en
  • US2188839A - Milk cooler : en
  • USD118757S - Design for a pin clip : en
  • USD118732S - Design for a goggle : en
  • US2188526A - Automatically humidified and ventilated refrigerator : en
  • US2188757A - Combined broiler and griddle : en
  • US2188762A - Pocketknife : en
  • CA386556A - Synthetic resin : en fr
  • US2188586A - Counter construction : en
  • US2188868A - Bowler's grip ball : en
  • FR852342A - Apparatus for the instant preparation of frozen edible products such as creams or the like : en fr
  • GB517440A - Improvements relating to the separation by distillation of components of a mixture of hydrocarbons : en
  • CH208383A - Collapsible light intercepting device for adjusting the headlights on motor vehicles. : de en
  • DE687629C - Contact connection to metallized surfaces of electrical switching elements, e.g. B. capacitors, resistors : de en
  • US2188525A - Grave vault : en
  • DE687651C - Method and device for manufacturing hollow glassware, in particular glass bricks, consisting of individual parts : de en
  • US2188507A - Fluid dispensing device : en
  • US2188671A - Wave amplifying system : en
  • US2188457A - Valve mechanism for water closets : en
  • AU109610B2 - Improvements in or relating to radio aerial installations : en
  • US2188544A - Brush structure : en
  • FR852340A - Process for the production of steel with a thomas basic converter : en fr
  • AU109607B2 - Improvements in or relating to indicator correcting arrangements for use in radio direction finding and other apparatus : en
  • CA386607A - Delivery case : en fr
  • DE687489C - Multi-layer concrete pipe : de en
  • AU558738A - Improved truss for rupture : en
  • US2188822A - Push bench drive : en
  • US2188716A - Apparatus for projecting granular material : en
  • US2188337A - Sound disk record and method and apparatus for making same : en
  • GB517411A - Improvements in or relating to x-ray apparatus : en
  • CH208410A - Lifting magnet with permanent magnet excitation. : de en
  • US2188322A - Nitrocellulose composition of reduced inflammability : en
  • US2188405A - Molybdenum alloys : en
  • USD118783S - Design for a dress : en
  • DE687649C - Device for lighting solid fuels in furnaces : de en
  • CA386650A - Anti-skid device : en fr
  • CH208470A - Device for holding the pelerine tips in their protective position while cycling. : de en
  • USD118747S - Design for a phonograph tone arm : en
  • FR852440A - Cover plate forming insulation : en fr
  • US2188795A - Candle and fuel composition for candles : en
  • FR50288E - Improvements to textile materials : en fr
  • DE687493C - Film switching device for roll film cameras : de en
  • DE687607C - en : de en
  • FR50290E - Cold inhaler spray : en fr
  • GB517464A - Improvements in or relating to the production of wool-like fibres of cellulosic origin : en
  • GB517476A - Preparation of improved colouring matters : en
  • USD118753S - Design for a coat : en
  • USD118765S - Design fob a dress : en
  • CH208318A - Space heating installation. : en fr
  • US2188551A - Frozen custard making machine : en
  • FR50268E - Process for preparing tanning substances : en fr
  • CH208453A - Amplifier arrangement with reduced cross modulation for multiple carrier current transmission. : de en
  • CH208443A - Process for the preparation of a lipoid-soluble mixture with bactericidal properties. : de en
  • CA386645A - Thyroxin preparing process : en fr
  • US2188423A - Method of making a commutator : en
  • CH208352A - Process for the preparation of an acidic dye. : de en
  • US2188645A - Carbon solvent and lubricant : en
  • CH208314A - Paver lined with rubber. : en fr
  • CH208334A - Ring spinning and twisting machine. : de en
  • US2188573A - Dispensing : en
  • USD118730S - Drying apparatus : en
  • DE687536C - Bottle cap with sealing insert : de en
  • DE687684C - Superhet receiver in which the input vibrations and the superimposed vibrations are fed to the same control grid of a mixing tube : de en
  • FR852351A - continuous electrode : en fr
  • GB517540A - Improvements in or relating to carbon roll mechanism for typewriters and like machines : en
  • CH208441A - Bottle for sterile storage of catgut or other surgical sutures. : de en
  • DK57206C - Procedure for Separating Healthy and Degradative Potato Tubers. : da en
  • US2188696A - Rodent or animal trap : en
  • US2188746A - Method of producing complex metal : en
  • DE687558C - Device for converting a road vehicle into a rail vehicle : de en
  • CA386582A - Dye : en fr
  • CA386590A - 2-p-dioxanone : en fr
  • CH208347A - Method and apparatus for treating objects with a volatile organic solvent using mechanical conveying means. : de en
  • CH208472A - Contact line arrangement for electric trains, especially trolleybus lines, in loops and curves. : de en
  • DE676439C - Clothes hanger with holding clips for a pair of trousers that can be slid in the longitudinal slots of his arms : de en
  • US2188801A - Oil dilution system : en
  • US2188579A - Cathode ray tube, more particularly for television purposes : en
  • US2188604A - Traffic signal : en
  • USD118708S - Design fob a plate ob similar abticle : en
  • US2188574A - Refrigerated liquid dispenser : en
  • DE687568C - Device for achieving slow ignition of the gas in gas-heated liquid heaters : de en
  • AU109639B2 - Improvements relating to metallurgical process and apparatus : en
  • CH208319A - Device on folding leaves for opening and closing the same. : de en
  • AU18539A - Improvements in or relating to modulated carrier wave transmitters : en
  • AU109631B2 - Improvements in or relating to liquid dispensing apparatus : en
  • US2188669A - Plan file : en
  • US2188701A - Support for beaters or mixers : en
  • CA386585A - Directional wireless system : en fr
  • FR852418A - Drive device for periodically actuated switching or switching devices, in particular for current converters : en fr
  • DE687671C - High voltage fuse for high currents : de en
  • US2188878A - Process of preparing crystallized derivatives of the vitamin e : en
  • US2188461A - Mechanical impulse repeater : en
  • US2188725A - Switch : en
  • AU109627B2 - Improvements in or relating tothe electrode systems of cathode-ray tubes : en
  • CH208401A - Elastic novelty item. : en fr
  • CA386588A - Stud locking device : en fr
  • US2188303A - Refrigeration test method : en
  • US2188804A - Control system : en
  • US2188577A - Oil burner : en
  • USD118760S - Design for a textile fabric ob similar : en
  • CH208382A - Method for stereophonic reproduction of sound vibrations and device for carrying out the method. : de en
  • GB517414A - Manufacture of pentamethyleneoxide compounds and pentamethylenesulphide compounds : en
  • GB517441A - Improvements in or relating to fluid operated windscreen wiper motors : en
  • FR852431A - Improvements to shaving devices : en fr
  • CA386620A - Heater : en fr
  • USRE21336E - Toasting machine : en
  • US2188629A - Burnishing machine : en
  • DE687667C - Device for the production of hollow blocks closed on five sides : de en
  • CA386575A - Electric discharge device : en fr
  • CA386640A - Electric insulator : en fr
  • FR852392A - New product for sealing and sealing : en fr
  • US2188433A - Work holding device : en
  • US2188860A - Refrigerator car floor rack : en
  • US2188813A - Container : en
  • US2188309A - Toaster : en
  • CA386569A - Tubular rivet : en fr
  • USD118792S - Design fob a dress : en
  • US2188518A - Symbol display device : en
  • US2188756A - Block signal and train control system for toy railroads : en
  • US2188330A - Sterine derivatives having the character of the sexual hormones and a process of preparing them : en
  • US2188710A - Pipe line identification device : en
  • US2188407A - Machine for forming springs : en
  • US2188542A - Thermostatic control apparatus : en
  • AU109438B2 - A process for producing carriers for medicinal substances : en
  • CA386627A - Radiation heater : en fr
  • DK57211C - Temperature regulator for steam-heated Milk heaters. : da en
  • FR50300E - Improvements to electrical resistance welding equipment : en fr
  • GB517396A - Process for the manufacture of wool dyestuffs of the anthraquinone series : en
  • GB517473A - Mechanism for applying fastener devices to envelopes and the like : en
  • DE687407C - Two-part housing for baskets : de en
  • CA386548A - Aircraft turn responsive instrument : en fr
  • DE687431C - Feeder carriage for bread slicers with disk knife : de en
  • GB517373A - Improvements relating to aircraft undercarriages with resilient wheel units : en
  • US2188453A - Brake : en
  • US2188810A - Wringer post ironer : en
  • CH208386A - Waterproof watch box. : en fr
  • US2188328A - Lock for propelling machinery : en
  • US2188554A - Marine craft landing and launching device : en
  • US2188818A - Track-aligning device : en
  • DE687630C - Method of making oars : de en
  • SU56417A1 - Device for vulcanization of molded rubber products : en ru
  • US2188690A - Film magazine : en
  • AU109593B2 - Improvements in or relating to electron multipliers : en
  • CH208363A - Film copying process. : de en
  • US2188582A - Ski construction : en
  • USD118703S - Design for a plate ob similar article : en
  • US2188333A - Latch, safety catch, and lifting mechanism for lid type automobile hoods : en
  • USD118705S - Design for a plate ob similar article : en
  • DE687659C - Process for improving weld seams : de en
  • FR50298E - Harvester for two rows of beets, cleaning machine, row or loader : en fr
  • FR852475A - Naphthol-sulfonic acids, azo dyes derived from these acids and processes for the preparation of these various substances : en fr
  • GB517555A - Improvements in or relating to electric sound-reproducing appliances for deaf-aid orfor small portable wireless receiving sets : en
  • US2188439A - Process for the removal of foreign particles from gases : en
  • US2188670A - Hinge : en
  • USD118785S - Design for a dress : en
  • FR852335A - Bottle, inkwell or container lying down : en fr
  • GB517475A - Preparation of improved colouring matters : en
  • GB517477A - Improvements in or relating to regulators for dynamos : en
  • US2188332A - Flexible coated article : en
  • US2188585A - Optical lens groover : en
  • GB517516A - Improvements in or relating to electric wave transmission networks : en
  • GB517556A - Improvements in rotary boring and facing heads : en
  • FR852324A - Process for the operation of internal combustion engines : en fr
  • FR852398A - Address indicating advertising device : en fr
  • USD118704S - Design for a plate or similar article : en
  • USD118717S - Design for : en
  • US2188342A - Manufacture of vehicle floor mats : en
  • FR852314A - Apparatus suitable for adjusting the cut of piston rings : en fr
  • GB517496A - Improvements in or relating to photographic cameras provided with range finders : en
  • GB517398A - Production of ester derivatives of dextran : en
  • DE687416C - Compressors, especially for refrigeration machines : de en
  • USD118779S - Design fob a dress : en
  • US2188684A - Machine for cleaning furs : en
  • USD118729S - Design for a lighting fixture or : en
  • USD118719S - Design fob a sandal : en
  • FR852446A - Improvements to fuel supply devices or systems for combustion engines : en fr
  • FR852378A - Electric incandescent gas lamp : en fr
  • FR852301A - Electro-magnetic vibrator : en fr
  • US2188418A - Apparatus for making bars of ice cream or the like : en
  • US2188796A - Protecting stick : en
  • US2188429A - Doll : en
  • US2188435A - Disking device : en
  • GB517381A - Improvements in fractionating columns : en
  • DE687509C - Spatially changeable pressure body, especially for aircraft wheel brakes : de en
  • GB517509A - Improvements in or relating to packing or joint rings : en
  • DE687641C - Arrangement to reduce interference with radio reception : de en
  • USD118772S - Design for a dress : en
  • FR852413A - Self-supporting aerial telephone cable with tensile reinforcement : en fr
  • US2188768A - Harvesting device : en
  • FR852302A - Electric musical instrument : en fr
  • GB517536A - Improvements in and relating to electric lamps : en
  • FR852465A - Improvements to transmission systems : en fr
  • US2188774A - Leather dyed with monoazo dyestuffs : en
  • US2188327A - Composition for preservation of and combination with latices, rubber, and other proteins and decomposable organic compounds : en
  • US2188719A - Beehive : en
  • FR852489A - Telegraph device with grouped transmitter and receiver : en fr
  • FR852456A - Recording device for distance measurement using the echo sounding method : en fr
  • GB517520A - Improvements in glands for steam heated vessels and the like : en
  • GB517577A - Improvements in or relating to electron beam valves : en
  • GB517610A - Improvements in or relating to supports for grill pans for cookers : en
  • DE687446C - Suspension of motorcycles : de en
  • GB517521A - Improvements in apparatus for coupling and releasing gas lamps from their supply pipes when in inaccessible positions : en
  • DE687567C - Kitchen stove : de en
  • FR852374A - Aircraft defense apparatus : en fr
  • BE436528A - : en
  • CA386599A - Conical paper cup : en fr
  • SU56452A1 - Needle sorting machine : en ru
  • US2188318A - Stone cutter : en
  • US2188693A - Manufacture of silicon carbide resistors : en
  • DE687534C - Propeller with blades that can be rotated around the longitudinal axis : de en
  • CA386641A - Wheel and axle assembly : en fr
  • CH208447A - Closure, especially for apparatus for sterilizing bandages, surgical clothes, surgical instruments, etc. : de en
  • AU109598B2 - Improvements in method of and apparatus for continuously and automatically separating the solid constituents fromthe liquid constituents ofa cyanided ore pulp, and for separating the precipitates from cyanide solutions : en
  • US2188694A - Automatic mine trap door : en
  • USD118770S - Design fob a dress : en
  • US2188350A - Refrigerating apparatus : en
  • USPP358P - Gladiolus : en
  • DE687525C - Detachable clamp connection : de en
  • DE687719C - Softening and gelatinizing agents for acetyl cellulose : de en
  • DE687427C - : de en
  • DK57207C - Internal combustion engine. : da en
  • US2188567A - Positive stop abrading tool : en
  • US2188821A - Compass : en
  • US2188362A - Coring utensil : en
  • US2188778A - Production of polymerization products of vinyl ethers : en
  • DE687485C - Method for mending automobile tires : de en
  • DE687556C - Device for separating the bottom sheet from a stack of sheets : de en
  • DK57213C - Machine for Grinding Wood Waste. : da en
  • FR852305A - Telephone apparatus incorporating devices for calculating charges : en fr
  • FR852322A - Low carbon nickel manufacturing : en fr
  • FR852415A - Process for regenerating synthetic gels serving as catalysts : en fr
  • GB517541A - Improvements in or relating to electrical resistances : en
  • GB517487A - Improvements in or relating to answer back devices associated with printing telegraph apparatus : en
  • DE687632C - Support pillars made up of parts arranged crosswise, especially for excavation work : de en
  • CH208402A - Waste containers, in particular ash containers. : de en
  • GB517569A - Improvements in hand trucks : en
  • DE687706C - Device for heating bombs in aircraft : de en
  • DE687450C - Padlock with folding bracket : de en
  • FR852330A - Apparatus regulating the flow of fuel into the carburetor for the operation of engines using a pump for supply : en fr
  • DE687673C - Hiking pillars for quarrying : de en
  • US2188741A - Power-operated ventilator : en
  • GB517390A - Telescopic gun sight reticules : en
  • US2188331A - Paper carrier sheet for tacky rubber, and process of making same : en
  • US2188887A - Oily dispersion material : en
  • US2188349A - Hold-over refrigeration unit : en
  • US2188656A - Means for flowing wells : en
  • CA386583A - Lantern slide frame latch : en fr
  • SU56321A1 - Flotation machine : en ru
  • US2188601A - Changing surface ornamentations on furs : en
  • USD118784S - Design for a dress : en
  • FR50277E - Process for preparing synthetic tanning substances : en fr
  • FR852432A - Lattice work, in particular for poles and pylons of overhead lines, composed of shaken or centrifuged concrete elements : en fr
  • US2188452A - Brake : en
  • US2188863A - Grease and method of making the same : en
  • USD118796S - Design fob a textile fabric or sim : en
  • GB517385A - Improvements in carburettors for internal combustion engines : en
  • US2188644A - Cultivator : en
  • CH208475A - Process for the production of an organic mercury compound. : de en
  • US2188454A - Ornamental sheet metal shingle for roofs and walls : en
  • DE687533C - Centrifugal spring governor : de en
  • GB517366A - Process for far-reaching deoxidation of steel by carbon : en
  • GB517588A - Improvements in means for artificial floral decorations : en
  • USD118795S - Design fob an elastic textile : en
  • FR852464A - Device for measuring electrical levels : en fr
  • US2188683A - Lubricating means for sewing machines : en
  • US2188737A - Apparatus for recovering oil from subterranean oil pockets : en
  • US2188779A - Self-sealing film roll for cameras : en
  • DE687631C - Electric gas lighter : de en
  • FR852367A - motor assembly for alternating current devices with mobile drum : en fr
  • DE687402C - Procedure for determining the location using a rotating radio beacon : de en
  • GB517383A - Egg-top cutter : en
  • GR8744B - CIGARETTE LIGHTER. : el en
  • AU109640B2 - A spreader for distributing farm yard manure, lime, fertilisers and seed and for topdressing land : en
  • GR8742B - AUTOMATIC INK. : el en
  • CA386653A - Fastener : en fr
  • DE687442C - Crockery for draft animals : de en
  • DE687519C - Circuit for protection against impermissible contact voltages in low-voltage systems : de en
  • DE687675C - Process for dyeing fiber materials consisting of synthetic casein wool alone or in a mixture with wool with chromium developing dyes : de en
  • USPP356P - Gladiolus : en
  • USD118768S - Design for a gas range cabinet : en
  • USD118803S - Design for a slip : en
  • USD118773S - Design fob a dress ensemble : en
  • US2188786A - Mine car wheel : en
  • US2188378A - Accordion : en
  • US2188631A - Trepanning drill : en
  • DE687394C - Spinning top toy : de en
  • DE687438C - Schlaegermuehle : de en
  • DE687595C - Fabrics : de en
  • FR50289E - Angularly adjustable breaker plate ignition distributor : en fr
  • DE686752C - Process for the metallization of iron strips or wires : de en
  • GB517420A - Improvements in or relating to radio receivers : en
  • CH208360A - Key heads made of synthetic material for typewriters, calculating machines and the like. : de en
  • DK57199C - Artificially cooled High pressure mercury vapor discharge tubes and Procedure for its manufacture. : da en
  • CA386554A - Flour sifting clutch for dough machines : en fr
  • CA386564A - Variable speed hydraulic coupling : en fr
  • CH208433A - Electric discharge tube. : de en
  • US2188455A - Well spudding apparatus : en
  • AU109643B2 - Improvements in windmills : en
  • AU50939A - Improvements in and relating to filing trays : en
  • US2188483A - Car mover : en
  • AU109595B2 - An improved rotary pump : en
  • USD118754S - Design for a stocking : en
  • US2188315A - Condensing steam locomotive : en
  • US2188339A - Chronograph screen : en
  • US2188832A - Lathe : en
  • FR852410A - New derivatives of azo dyes : en fr
  • GB517508A - Improvements in and relating to glazing bars : en
  • GB517604A - Improvements in the frames of motor-propelled cycles : en
  • DE687437C - Machine for producing the radius gaps on the circumference of the sleeves of elastic couplings, especially so-called Bibby couplings : de en
  • DE687624C - Heizgasfuehrung for heating the walls of smoldering furnace with heated gases : de en
  • DE687686C - Extinguishing chamber switch with isolating points electrically arranged one behind the other : de en
  • USPP359P - Gladiolus : en
  • GB517434A - Manufacture of nitrogenous anthraquinone derivatives : en
  • US2188390A - Suction cleaner : en
  • DE687461C - Device for continuous multiple longitudinal folds of thin fabrics u. Like., In particular gauze bandages for bandages : de en
  • DE687481C - Override protection device : de en
  • DE687488C - Machine for peeling and cutting cocoa beans : de en
  • US2188458A - Carding engine : en
  • US2188698A - Automobile jack : en
  • FR852381A - Process for preparing enamels and opacified glasses by means of gas : en fr
  • US2188712A - Tobacco pipe : en
  • DE687354C - Protective device for electrical equipment that responds to oil flow : de en
  • US2188541A - Journal box seal : en
  • CA386531A - Aromatic hydrocarbon condensation product : en fr
  • AU24539A - Improvements in or relating to cathode ray tube television receivers : en
  • CH208464A - Electric road vehicle. : de en
  • US2188814A - Thread winding mechanism : en
  • FR852454A - Process for treating mineral oils using solvents : en fr
  • US2188508A - Multiple distribution system : en
  • USD118701S - Design for a scale casing : en
  • CA386614A - Inductive radio tuner : en fr
  • SU56376A1 - The method of obtaining metal products with working parts, especially resistant in operation : en ru
  • GB517611A - Improvements in or relating to piano action : en
  • FR852388A - Parachute training : en fr
  • GB517486A - Improvements in or relating to instruments for measuring the peak value of electrical impulses : en
  • GB517490A - Bi-focal lenses : en
  • AU507238A - Improvements in electric circuits adapted to operate electric discharge devices : en
  • CA386630A - Radio noise suppression circuit : en fr
  • FR852345A - Method for preparing tartar : en fr
  • US2188797A - Light device : en
  • USD118794S - Design for a textile fabric : en
  • CH208476A - Feeler control device, in particular for copy milling machines, copy planing machines or copy grinding machines. : de en
  • DE687414C - Drive for looms : de en
  • CH208377A - Process for influencing the volume range when playing back sound recordings and equipment for carrying out this process. : de en
  • CA386552A - Water shoe : en fr
  • DE686311C - Detergents, wetting agents and softeners : de en
  • US2188752A - Fluid handling apparatus : en
  • US2188785A - Power-factor meter : en
  • FR852323A - Coatings paints : en fr
  • US2188721A - Method of laminating : en
  • US2188856A - Oil or dust flinger for bearings : en
  • AU185939A - Improvements inthe sealing of metal strips through quartz or like vitreous material : en
  • USD118751S - Design fob a coat : en
  • US2188723A - Educational device : en
  • US2188691A - Cheek rest for firearms : en
  • US2188323A - Method of preparing co-carboxylase : en
  • US2188359A - Thread store device : en
  • CH208460A - Hinged lid box with snap locks. : de en
  • USD118713S - Design for a support for ophthalmic : en
  • USD118699S - Design for a comic figure : en
  • US2188450A - Device for clamping together pieces of sheet material to facilitate riveting and the like operations : en
  • US2188464A - Circulating means for rolling stock : en
  • DE687359C - Bath and process for the electrolytic production of zinc coatings : de en
  • GB517507A - Improvements in and relating to radiators for internal combustion engines : en
  • US2188706A - Cover support : en
  • US2188851A - Refrigerator car floor rack : en
  • AU109612B2 - Improvements in or relating tothe protection of magnesium and magnesium alloys : en
  • CH208358A - Device for the vertical storage of documents. : de en
  • CA386633A - Water purification : en fr
  • CA386636A - Railway car roof : en fr
  • FR50267E - Photographic slit shutter : en fr
  • CA386565A - Metal cold rolling process : en fr
  • DE687507C - Automatic valve, especially for compressors : de en
  • AU313339A - Improvements inthe process forthe manufacture of aluminium : en
  • CA386543A - Loose leaf binder : en fr
  • CH208431A - Fuse cartridge. : de en
  • US2188321A - Production of acid for sulphite pulping process : en
  • US2188299A - Apparatus for developing films without a darkroom : en
  • US2188346A - Pulverizing and separating machine : en
  • US2188599A - Duplicating apparatus : en
  • FR852469A - Process for refreshing amalgamated areas in order to maintain the inability of the boards to receive ink : en fr
  • US2188410A - Electron multiplier : en
  • FR50262E - Thermite welding process : en fr
  • GB517598A - Improvements in or relating to projection screens : en
  • US2188732A - Shipping carton : en
  • US2188489A - Chocolate coating and process of making same : en
  • US2188658A - Signal-translating system : en
  • US2188448A - Fabricated metal structure : en
  • US2188705A - Machine for forming end loops on helical springs : en
  • US2188360A - Hair waving appliance : en
  • USD118714S - Design fob a kitchen fobk : en
  • FR852357A - Overcurrent circuit breaker, with contact capable of rolling : en fr
  • DE687392C - Recoil amplifier : de en
  • DE687518C - Foot starter : de en
  • US2188524A - Base for air sealed vaults : en
  • FR852362A - Device that attaches to the rear of a tractor frame so that agricultural machinery can be carried : en fr
  • GR8743B - PERFORMANCE MOVEMENT SYSTEM USEFUL POWER. : el en
  • US2188667A - Resistor and method of making the same : en
  • US2188674A - Merchandise display structure : en
  • FR852339A - Bomb and gas proof shelter : en fr
  • DE687405C - Device for objective color measurement using photocells : de en
  • DK57217C - Motor vehicle, in particular Rear motor vehicle. : da en
  • DK57208C - Four-stroke internal combustion engine that works with heavy Oils as Fuel. : da en
  • DE687664C - Fastening of propeller blades in undivided metal hub shells : de en
  • GB517369A - Method of and apparatus for abstracting fibrous material from fibre-bearing plants : en
  • GB592118A - Improvements in gun-turrets for aircraft : en
  • US2188654A - Suspension for car wheels : en
  • US2188492A - Bakepan set : en
  • FR852429A - Process for preparing enamels and opacified glasses by means of gas : en fr
  • CA386593A - Fibrous material digester : en fr
  • AU323739A - Luminous zinc-beryllium silicates and method of producing same : en
  • DE687711C - : de en
  • CA386621A - Corner bead : en fr
  • CH208330A - Device to increase the profitability of a cooker. : de en
  • CA386604A - Electron multiplier : en fr
  • CH208365A - Slip for carrying skis. : en fr
  • US2188633A - Punch or tool holding apparatus : en
  • US2188700A - Process for filling containers : en
  • CH208445A - Process for the preparation of hexylresorcinol monosulfonic acid. : de en
  • CA386584A - Autocollimating reflector : en fr
  • US2188876A - Method of cooling internal combustion engine and cylinder head for same : en
  • US2188881A - Production of the male sexual hormone : en
  • SU56308A1 - The method of distillation of alcohol on periodically operating devices : en ru
  • USD118744S - oetinger : en
  • SU56414A1 - The method of preparation of layered plastics : en ru
  • AU155739A - Ornamental glass product and method of manufacture thereof : en
  • CA386642A - Fire extinguishing equipment : en fr
  • CH208336A - Weft stop device in looms. : de en
  • CH208455A - Circuit arrangement for high-frequency systems with power lines. : de en
  • CA386591A - Hydroxy-propanone : en fr
  • CA386559A - Heat exchanger : en fr
  • USD118767S - Design fob a dress : en
  • US2188388A - Automobile heater and defroster : en
  • US2188463A - Pump output regulator : en
  • US2188619A - Electrical race track : en
  • US2188745A - Oil filter : en
  • US2188613A - Sink strainer : en
  • US2188702A - Pump or motor : en
  • USD118774S - Design for an electric heater : en
  • GB517472A - Cinematographic apparatus : en
  • GB517451A - Improvements in and relating to the production and use of accelerators for rubber vulcanisation : en
  • US2188534A - Loop fastener : en
  • AU33140A - Improvements in and relating tothe construction and assembly of inter'fitting machine and like parts : en
  • DE687614C - Device for controlling the running time of a self-collecting device : de en
  • GB517498A - An improved view finder optical system, particularly for use with photographic cameras : en
  • US2188503A - Pump device : en
  • AU109648B2 - Improvements inthe sealing of metal strips through quartz or like vitreous material : en
  • CA386581A - Dye : en fr
  • US2188306A - Method of and apparatus for filling cans : en
  • US2188384A - Record and method of making the same : en
  • US2188527A - Ceiling structure : en
  • US2188365A - Grinding tool : en
  • US2188300A - Ventilating shutter on venetian blinds : en
  • CA386595A - Aircraft sustaining rotor : en fr
  • CH208354A - Process for the separation of hydrocarbons from hydrocarbon oils. : de en
  • USD118694S - Design for a game board : en
  • CA386610A - Knitting machine : en fr
  • CA386592A - Reinforced denture : en fr
  • FR50293E - Improvements in electromagnetic machines and devices and their manufacturing processes : en fr
  • CH208316A - Gas heater. : de en
  • DE687529C - Process for the production of iron powder : de en
  • AU109645B2 - Improvements in or relating to franking machines : en
  • CH208430A - Device for regulating technical-physical quantities. : de en
  • DE687546C - Switching mechanism for cash registers or accounting machines : de en
  • US2188491A - Ornamental leather and other sheet materials : en
  • DE687599C - Process for the production of stable, high molecular weight, liquid chlorinated paraffins : de en
  • FR852491A - Sheet metal shears with trimmer device : en fr
  • CA386570A - Mixing, homogenizing and dispersing machine : en fr
  • US2188500A - Catalytic carrier system : en
  • AU109624B2 - Improvements in vapour generators with vapour separating drums and furnace wall cooling tubes : en
  • CH208331A - Bag filter. : de en
  • US2188391A - Blow-off valve : en
  • US2188549A - Centering device for hearth bread pan sets : en
  • CH208350A - Process for the preparation of a reaction product of chlorosulfonic acid. : de en
  • US2188611A - Impulse generator : en
  • CH208329A - Reversible table. : en fr
  • SU56336A1 - Device for demonstrating the law of motion of the center of inertia : en ru
  • DE687415C - Control device for machine systems driven by several separately controlled motors, especially for rotary deep drilling systems : de en
  • GB517379A - Improvements in and relating to the production of bases for lacquers, plastics and like materials and the products produced therefrom : en
  • US2188404A - Luminous sign : en
  • CH208420A - Electrodynamic vibratory drive for work machines, such as sieves. : de en
  • USD118793S - Design fob an electric range : en
  • FR50257E - Weft feeler for looms : en fr
  • GB517400A - Improvements in and relating to de-icing attachment for airplane propellers : en
  • US2188889A - Condensation product and method : en
  • US2188623A - Lamp : en
  • DE687441C - Three-roll suction press for paper machines : de en
  • DE687540C - Locking device for container : de en
  • DE687439C - Method for producing an elastic retaining edge for items of clothing and items of clothing according to the method : de en
  • US2188649A - Antenna : en
  • US2188460A - Blowlamp : en
  • CH208405A - Needle roller bearings. : de en
  • CH208406A - Elastic coupling for coupling of two shafts. : en it
  • US2188603A - Overshoe : en
  • US2188811A - Air conditioning plant : en
  • US2188490A - Radio receiving apparatus : en
  • US2188602A - Music stand : en
  • US2188861A - Driven steering wheel axle structure : en
  • US2188739A - Garage and vehicle toy : en
  • DE687412C - Sole and side seal for movable weir locks : de en
  • DE687413C - Boom anchoring : de en
  • GB517484A - Improvements in and relating to electrical measuring instruments : en
  • GB517547A - Improvements in or relating to electric cells : en
  • USD118745S - Design for an automobile direction : en
  • AU318139A - Improvements in or relating to liquid dispensing apparatus : en
  • CH208342A - Spat. : de en
  • US2188799A - Pretzel machine : en
  • CA386541A - Ice skate : en fr
  • CA386649A - Oil burner combustion apparatus : en fr
  • US2188825A - Game board : en
  • AU109628B2 - Improvements in inertia element operated devices : en
  • US2188571A - Folding check book cover : en
  • US2188833A - Link chain : en
  • US2188875A - Plant box : en
  • SU56342A1 - Device for fastening the screws in the lifting taler lithographic printing machine : en ru
  • DE687055C - Protection arrangement for meshed alternating current high-voltage distribution networks : de en
  • DK57201C - Apparatus and Procedure for the manufacture of yarns, yarns or wire insulations of glass rods and other textile rods. : da en
  • USD118700S - Design for a lather s tool head : en
  • US2188557A - Union : en
  • US2188472A - Hydrometallurgical process : en
  • AU109650B2 - Improvements inthe process forthe manufacture of aluminium : en
  • CH208469A - Mudguards, in particular for bicycles. : de en
  • AU109601B2 - Improvements in supporting and manipulating curtains andthe like : en
  • AU189239A - Improvements in or relating to process for applying cellulose derivative lacquers : en
  • US2188373A - Felted product and method and machine for making the same : en
  • DE687447C - Crown capsule made of aluminum with a corrugated edge all around : de en
  • GB517462A - Improvements in and relating to means for indicating, recording or registering the content of a substance present in a liquid : en
  • DE687503C - Manufacture of items that have to be resistant to attack by decarburizing gases : de en
  • DE687695C - Device for attaching kitchen and other machines and devices to kitchen tables, workbenches and walls : de en
  • FR852399A - Pneumatic control of threads on bobbin-changing loom : en fr
  • GB517466A - An improved metal feeding device for melting pots : en
  • CH208366A - Board game. : de en
  • GB517602A - Improvements in nipkow discs for use in television : en
  • CA386594A - Fibrous material digester : en fr
  • DE687547C - Crankshaft with counterweights : de en
  • CH208367A - Device for measuring small lengths or Changes in length. : de en
  • US2188335A - Latch and safety catch mechanism for lid type automobile hoods : en
  • US2188812A - Control for wringers : en
  • DE687486C - Process for the production of shatterproof laminated glass : de en
  • FR852437A - Machine for measuring the length of fabric pieces : en fr
  • GB517407A - Improvements in or relating to hair curling devices : en
  • DK57216C - Procedure for the manufacture of gas masks. : da en
  • US2188791A - Ironing machine : en
  • DE687716C - Permanent magnet, especially runner for small electric machines : de en
  • DE687637C - Sprinkler cooler for all kinds of fluids : de en
  • FR852343A - : fr
  • GB517384A - Improvement for promoting adhesion between driving belts and pulleys : en
  • FR852425A - Composite image stereograms and networks intended for the observation of such stereograms : en fr
  • GB517438A - Improvements in and relating to electric motor control systems : en
  • FR852453A - Improved stabilized polymer product : en fr
  • FR50297E - Process for the preparation of waxy substances : en fr
  • DE687592C - Safety device for electrically heated baths : de en
  • CH208303A - Apparatus for spraying liquids. : en fr
  • FR852487A - Improvements to the methods of preparing a cellulose solution and producing rayon : en fr
  • DE687390C - Process for etching stainless chrome steels : de en
  • GB517403A - Mechanism for applying fastening devices to envelopes and the like : en
  • GB517595A - Improvements in or relating to photographic copying apparatus : en
  • FR852426A - Further development of incandescent electric lamps : en fr
  • GB517510A - Vertical bed cylinder printing press : en
  • FR852382A - Improvements made to the guidance of cam-controlled plate pushers : en fr
  • DE687458C - Notching machine for powerful floeze : de en
  • GR8739B - HYDROKINITOS PUMP. : el en
  • FR852485A - Improvements to control devices or adjustment devices such as, for example, autopilot devices for ships : en fr
  • GB517454A - Improved process and plant for the hydrolysis of cellulose materials and the like : en
  • GB517405A - Improvements in and relating to electric arc welding : en
  • FR852457A - Improvements to protective breathing apparatus : en fr
  • FR852397A - : fr
  • FR852400A - Straight line knitting loom : en fr
  • US2188375A - Buffing wheel : en
  • USD118750S - Design fob a dress : en
  • FR50259E - Improvements to systems for signaling, communication, indication and remote control by high frequency currents : en fr
  • FR852478A - Stereoscopic camera : en fr
  • GB517495A - Improvements in or relating to reflex or twin lens photographic cameras : en
  • GB517542A - Improvements in or relating to supports for lamps and other articles : en
  • FR852474A - Valve control device for hydraulic devices : en fr
  • DE687527C - Procedure for cleaning engine pistons : de en
  • DE687685C - Single tube circuit for amplifying or receiving short waves : de en
  • GB517606A - Improvements in or relating to means for suppressing radio interference by electrical apparatus : en
  • GR8745B - TAP WITH ELASTIC PATH. : el en
  • US2188298A - Seal for evacuated devices : en
  • GB517427A - Improvements relating to luminescent screens in cathode ray and like electron discharge tubes : en
  • US2188413A - Plow : en
  • GB517370A - Improvements relating to aircraft undercarriages with resilient wheel units : en
  • US2188699A - Direct pressure ventilator : en
  • US2188548A - Vehicle : en
  • US2188581A - Cathode ray tube : en
  • USD118780S - Design for a dress ensemble : en
  • DE687510C - Process for the production of soft composites suitable for plastic parts : de en
  • DE687587C - Deposit device for stick cigarette machines : de en
  • US2188888A - Condensation product and method : en
  • US2188890A - Olefinic condensation product combined with a phenol and method : en
  • IE15986L - Tempering glass : en
  • DE687715C - Permanent magnet system for small electrical machines : de en
  • AU35639A - Improved process and apparatus for making base assemblies for sealed glass envelopes : en
  • AU109649B2 - Improvements in or relating to process for applying cellulose derivative lacquers : en
  • CH208310A - Support on girders for shuttering concrete ceilings. : de en
  • US2188501A - Variable orbital drive gear for dough rounders or the like : en
  • US2188591A - Audiphone earpiece : en
  • US2188609A - Fluid distributing device : en
  • US2188713A - Valve core, container, and stem : en
  • FR852433A - Decorative or advertising panel : en fr
  • CH208398A - Process for the production of a material with high initial permeability and low change in permeability in the area of weakly magnetizing fields. : de en
  • DE687393C - Process for the production of fuel-resistant painted containers such as car tanks : de en
  • DE687577C - Machine tool, in particular lathe, for processing crankshafts and camshafts : de en
  • FR852390A - : fr
  • FR852482A - Device for internal combustion engines comprising several cylinders : en fr
  • FR50264E - Application to semi-rigid or rigid material tray bras to straighten the breasts : en fr
  • US2188383A - Controlling and sensory system : en
  • US2188744A - Menu course selector : en
  • USD118756S - Design fob a pin clip : en
  • USD118790S - Design for an air conditioner : en
  • DE687543C - Rotating machine part with a rectifier-like discharge vessel : de en
  • GB517550A - Method of and apparatus for obtaining protracted intimate contact between two non-miscible fluids of different densities : en
  • GB517570A - Improvements in and relating to refractory blocks for the checker work of furnaces for industrial purposes : en
  • DE679685C - Building drying oven : de en
  • DE680349C - Device for cleaning felts in paper, cardboard or the like machines : de en
  • US2188758A - Transmission and reception of frequency modulated waves : en
  • US2188400A - Liner clamp for panel form walls : en
  • DE687658C - Device for filling and emptying the circuit of a flow transmission : de en
  • DE687633C - Piston press operated by water pressure for laundry with perforated cylinder insert : de en
  • DE687672C - Fuse, in particular high-voltage fuse : de en
  • AU37039A - Improvements in vapour generators with vapour separating drums and furnace wall cooling tubes : en
  • GB517424A - Improvements in and relating to multilayer colour photographic processes : en
  • GB517558A - Improvements in or relating to driving mechanisms for gramophones : en
  • GB517581A - Improvements in or relating to inductances : en
  • US2188562A - Actuating mechanism for a plumbing fixture : en
  • FR852406A - Attachment device for traction chains on tipping plows : en fr
  • FR852466A - Process for manufacturing casting parts, mainly shell castings, from aluminum-silicon alloys : en fr
  • GB517392A - Improvements in or relating to apparatus for generating synchronising signals for television and like purposes : en
  • GB517566A - Improvements in roentgen-ray apparatus : en
  • US2188427A - Automotive antenna equipment : en
  • GB517436A - Manufacture of hydroxylamine hydrochloride : en
  • FR852356A - Electric door operating device by motor : en fr
  • GB517429A - Improvements in grilling apparatus : en
  • GB517380A - Improvements relating to aircraft undercarriages with resilient wheel units : en
  • GR8737B - METHOD OF PROTECTION OF CLOSED AREAS AND THEY EXISTING FROM TOXIC GASES. : el en
  • GB517453A - A new or improved stapling mechanism : en
  • US2188447A - Keyway and gear cutting attachment for lathes : en
  • US2188663A - Process of making fine particle alkaline earth metal carbonates : en
  • DE687657C - Gear for converting straight back and forth movements into rotary movements by means of a curve body : de en
  • GB517423A - Improvements in electrical measuring systems : en
  • GB517493A - Improvements in or relating to photographic cameras and interchangeable objectives therefor : en
  • GB517525A - Process for the preparation of amino alcohols : en
  • US2188563A - Cooking utensil : en
  • US2188776A - Dyestuffs of the anthraquinone series : en
  • DE687710C - vice : de en
  • GB517368A - Improvements in and relating to the production of starch grits : en
  • US2188569A - Method of treating metal wheels : en
  • USD118696S - Design fob a mail box : en
  • CH208375A - Calculating machine for list entry. : de en
  • US2188326A - Electric welding : en
  • US2188446A - Composing room saw : en
  • US2188869A - Wire fence : en
  • US2188628A - Measuring instrument : en
  • USD118762S - Design fob a dress : en
  • CA386563A - Colour photography : en fr
  • US2188780A - Snap switch : en
  • US2188634A - Air separator : en
  • DE687511C - Rolling mill for rolling out railway rails : de en
  • DE687699C - Counter element for punch card machines : de en
  • CA386644A - Beer and ale packaging process : en fr
  • CH208307A - Window. : en fr
  • AU22439A - Manufacture and application of new condensation products obtained from formaldehyde derivatives and from compounds ofthe thiourea series : en
  • US2188742A - Tool holder : en
  • DE687535C - those for motor vehicles : de en
  • US2188886A - Condensation product and method : en
  • AU18339A - Improvements in or relating to superbeterodyne receivers suitable for receiving television signals : en
  • US2188382A - Controlling and sensory system and method : en
  • US2188657A - Film fire quenching and minimizing apparatus : en
  • US2188437A - Sign construction : en
  • DE687501C - Steam plate dryer : de en
  • US2188765A - Method of heat treating brass shims and shim stock : en
  • US2188419A - Condolence receptacle : en
  • CA386655A - Combined amplifying and rectifying system : en fr
  • US2188504A - High-frequency signal-translating stage : en
  • US2188438A - Switching mechanism : en
  • US2188697A - Method of brightening the colors in the subtractive synthesis of color photography : en
  • US2188850A - Valve : en
  • US2188862A - Locomotive valve gear bearing : en
  • US2188356A - Stress indicating washer : en
  • US2188334A - Latch, safety catch, and lifting mechanism for lid type automobile hoods : en
  • DK57220C - Reinforcement element for welded Ships, Barges and other Vessels. : da en
  • US2188424A - Support and spacer for concrete reinforcements : en
  • US2188892A - Ditcher : en
  • CA386537A - Cellulose manufacture : en fr
  • US2188643A - Filter : en
  • DK57197C - Radio receiver with optical Tuning indicator. : da en
  • DE687410C - Clock with controlled regulator : de en
  • DE687681C - Water distribution device for compulsory mixers of high performance, especially for road construction : de en
  • CH208393A - Lining for centrifugal casting molds and method for making the lining. : de en
  • DE680282C - Feed device for arc lamp electrodes : de en
  • DE687396C - Process for the manufacture of veined and spotted marble slabs : de en
  • CA386586A - Radio receiver : en fr
  • DE687409C - Device for aligning tobacco leaves : de en
  • DE687512C - Water preheater or evaporator with elastic Heizkoerperwandungen : de en
  • DE687538C - Coin-operated boxing device : de en
  • DE687653C - Device for adjusting the counter brake disc : de en
  • IE15620L - H.p.m.v. discharge devices : en
  • IS128B6 - Method of production of oils from fish liver : en is
  • US2188608A - Kiln : en
  • US2188760A - Primer : en
  • AU109602B2 - Improvements in high-pressure metal-vapour electric discharge H devices : en
  • CH208370A - Night-time direction finding system. : de en
  • US2188469A - Timing means : en
  • US2188843A - Numbering device for photographic films : en
  • GB517571A - Improvements in or relating to methods of and apparatus for applying adhesive : en
  • DE687478C - Extending table : de en
  • DE687643C - Arrangement for keying radio beacons : de en
  • CH208305A - Construction element made of concrete. : de en
  • FR852461A - Improvements to processes for treating cellulosic textile fibers or cellulosic textile materials and products obtained : en fr
  • US2188415A - Dental flask : en
  • US2188637A - Flame hardening torch : en
  • US2188514A - Tripod : en
  • DE687652C - Cable guide for winch drums enclosed in a housing : de en
  • DK57215C - Light filter layer for multicolor photography. : da en
  • CA386606A - Railway interlocking system : en fr
  • CH208466A - Vehicle wheel and axle. : de en
  • CA386613A - Electric condenser and mounting : en fr
  • CH208451A - Evaluation device for pulse combinations, in particular for telegraph equipment. : de en
  • FR852317A - Cereal pretreatment process : en fr
  • CA386529A - Submerged combustion apparatus : en fr
  • DE687683C - Circuit arrangement in telephone systems with main and sub-exchanges : de en
  • CA386530A - Exothermic reaction apparatus : en fr
  • DE687713C - Remote monitoring device for adjustable organs : de en
  • GB517591A - Improvements relating to fire escape ladders : en
  • GB517417A - Blasting cartridges : en
  • FR852353A - Preparation of new products of the genre of quinoxaline, azo dyes derived from it : en fr
  • CH208351A - Process for the preparation of a mixture of racemic ephedrine and racemic pseudoephedrine. : de en
  • US2188736A - Method of compounding latex and product thereof : en
  • FR50280E - : fr
  • FR852421A - Pin fuse : en fr
  • FR852444A - Current collector for accumulator charging : en fr
  • GB517397A - Production of dextran ethers : en
  • GB517553A - Preventing smoke emission during the charging of carbonising retorts or chambers : en
  • US2188639A - Venetian blind mechanism : en
  • GB517601A - Distortion correction in electric wave transmission : en
  • US2188451A - Signaling system for vehicles : en
  • USD118718S - Design for a lighting fixture globe : en
  • GB517421A - Manufacture of sulphur-containing organic compounds : en
  • DE687656C - Fertilizer spreader : de en
  • FR50253E - Improvements to signal repeater devices on board railway convoys : en fr
  • GB517548A - Improvements in portable buildings : en
  • DE687490C - to give : de en
  • FR852311A - Molding for frames : en fr
  • GB517465A - Improvements in axles for motor road vehicles : en
  • FR852416A - Catalyst for the treatment of hydrocarbon oils : en fr
  • DE687420C - Potentiometer with switch : de en
  • DE687520C - Electrical safety device for large currents : de en
  • DE687693C - Device for automatic regulation and safety : de en
  • GB517532A - Improvements in and relating to footwear : en
  • GB517561A - Improvements in or relating to roller mills : en
  • GB517483A - Improvements in or relating to television and like receivers : en
  • GB517474A - Process for treating textiles : en
  • FR852414A - Machine for the continuous production of a smoothed and polished glass strip : en fr
  • GB517494A - Improvements in or relating to twin lens and reflex type photographic cameras : en
  • DE687397C - : de en
  • DE687531C - Power-operated hand machine tool, in particular a : de en
  • DE687687C - Fluid-cooled rotating field magnet for turbo generators : de en
  • DE687704C - Attachment for adjustable propeller blades made of wood in a split metal hub : de en
  • FR852338A - Electrical signaling systems : en fr
  • DK57198C - High voltage switch. : da en
  • CH208450A - Device for mechanical power transmission to machines and apparatus with changing power requirements, in particular to telegraph apparatus and office machines. : de en
  • US2188409A - Wire line pipe cutter : en
  • US2188681A - Corrosion resistant copper-zinc alloy : en
  • CH208439A - Electric light bulb with a 4 atm. excess operating pressure. : de en
  • GB517583A - Device for stringing labels and the like : en
  • US2188808A - Temperature control system : en
  • USD118698S - Design for a transparency : en
  • US2188394A - Warp-uniting machine : en
  • US2188417A - Bushing insulator : en
  • US2188650A - Magnetic recording : en
  • DE687665C - Formation of the shaft used for torque transmission on the propeller in aircraft engines : de en
  • US2188320A - Process for the manufacture of leuco sulphuric acid esters of alkyl ethers of bz-2, bz-2'-dihydroxydibenzanthrone : en
  • US2188363A - Treatment of hydrocarbons : en
  • US2188399A - Electric resistance element : en
  • US2188476A - Refrigeration : en
  • US2188627A - Powder dispenser : en
  • US2188715A - Wire stringing block : en
  • DE687582C - Switching device for motor vehicles with several pressure medium line branches : de en
  • DE687689C - Arrangement for the operation of multi-phase inverters : de en
  • US2188352A - Container opener : en
  • US2188648A - Caster : en
  • CA386602A - Nitrous oxide production : en fr
  • CH208446A - Process for the preparation of a condensation product. : de en
  • CH208418A - Heat exchange device. : de en
  • AU20039A - Improvements in or relating to machines for driving fasteners into a workpiece : en
  • US2188480A - Game and game board : en
  • US2188493A - Strainer and the method of making the same : en
  • US2188614A - Tractor driven bean harvester : en
  • FR852344A - New advertising or light decoration system : en fr
  • AU109632B2 - Improvements in or relating to methods of mechanical scanning of sound recordings : en
  • US2188523A - Photographic objective : en
  • CA386615A - Radio tuning circuit : en fr
  • CH208407A - Glued double drive belt. : de en
  • CH208326A - Device for attaching an object to a surface. : de en
  • FR852411A - Roentgen lamp control device : en fr
  • DE687627C - DC generator with falling voltage characteristics, for example for ship propulsion : de en
  • FR50282E - Cable gland for non-combustible electrical cables or conductors with an outer sheath formed by a metal tube : en fr
  • CH208403A - Method for connecting an elongated member to a body having a housing and connector obtained by this method. : en fr
  • CA386622A - Titanium pigment alcoholic suspension : en fr
  • US2188336A - Dash-operated latch and safety catch mechanism for lid type automobile hoods : en
  • US2188622A - Photographic enlarging apparatus : en
  • US2188847A - Apparatus for and method of treating sewage sludge and the like : en
  • AU270739A - Improvements in inertia element operated devices : en
  • DE687460C - Process for rolling T-shaped sheet piles : de en
  • AU109647B2 - Improvements in or relating to gravity separation of ores : en
  • USD118724S - Design for a motorized hand tool : en
  • DE687025C - Clamping device for gripping the ends of conveyor belts when they are pulled together : de en
  • AU337439A - Improvements in high-pressure metal-vapour electric discharge H devices : en
  • CA386580A - Mixed polyvinyl acetal resin : en fr
  • US2188345A - Air or other current separator : en
  • US2188533A - Process of making felt : en
  • FR50254E - Device for supplying an engine with a gasifier, applicable to explosion engines designed for liquid fuels : en fr
  • US2188867A - Synthetic rubber ink : en
  • FR852470A - Fuel injection pump comprising several separate pumps arranged in concentric circles : en fr
  • USD118749S - Design for a louvered light trans : en
  • CA386589A - 2-hydroxymethyl-1,3-dioxolane : en fr
  • GB517374A - Process for the catalytic destructive hydrogenation of heavy oils or residues containing asphalt : en
  • US2188659A - Selector switch brush : en
  • CH208322A - Downward Combustion Gas Generator for Solid Fuels. : de en
  • CH208425A - Electrical and mechanical junction device for conductors. : en it
  • DE687707C - Windows for vehicles, in particular automobiles : de en
  • DE687634C - Letter folder with a swiveling pair of racks : de en
  • FR852419A - Improvements to static converter devices with discharge paths, preferably with gas or vapor atmosphere, and with suction transformers : en fr
  • GB517514A - Improvements in or relating to electron discharge devices : en
  • GB517378A - Improvements in water heaters or boilers : en
  • GB517597A - Improvements in or relating to deflecting means for use with cathode ray tubes : en
  • FR852404A - Improvements to friction couplings : en fr
  • DK57218C - Windshield cleaner for Motor Vehicles. : da en
  • DE687532C - Crushing device for boiled or steamed potatoes, cereals, etc. like : de en
  • US2188751A - Tobacco pipe : en
  • AU109625B2 - Improvements in processes for mineral separation : en
  • CA386545A - Milling machine : en fr
  • DE687717C - Device for generating very high DC voltages : de en
  • AU23239A - Improvements relating to metallurgical process and apparatus : en
  • CA386528A - Piston manufacture : en fr
  • AU34039A - An improved rotary pump : en
  • GB517445A - Improvements in starting devices for internal combustion engines : en
  • US2188688A - Watch crown seal : en
  • US2188848A - Computing dispensing device : en
  • DE687468C - Device for keeping the speed of commutator motors constant with movable brushes : de en
  • US2188305A - Ore reducing and digesting process : en
  • USD118789S - Design for a dress : en
  • AU109606B2 - Improved apparatus for cooling dwellings andthe like buildings : en
  • GB517485A - Improvements in or relating to electrically operable indicators : en
  • US2188369A - Anthraquinone compound and process for coloring therewith : en
  • US2188531A - Separation of mixtures of hydrocarbons : en
  • US2188747A - Portable booth : en
  • USD118734S - Design for an arm for lamp fixtures : en
  • US2188596A - Removable bushing : en
  • US2188641A - Spring plankless truck : en
  • US2188466A - Indicating device : en
  • US2188553A - Paving material spreader : en
  • GB517579A - Improvements in or relating to cathode ray tubes : en
  • USD118726S - Design for a decorative sheet of : en
  • US2188840A - Horizontal rotary filter : en
  • US2188880A - Tray for the germination of seeds : en
  • DE687423C - High pressure electric discharge tubes for lighting and radiation purposes : de en
  • DE687434C - Copper-cobalt-iron alloy : de en
  • CH208409A - Device for connecting at least one removable pipe to its pipe. : en fr
  • CH208421A - Manufacturing process of low power electro-motors and dynamos. : en fr
  • DE686830C - Double centrifugal pump with rectified impellers : de en
  • DE687638C - Microphone device with rollable connection cable between microphone and pre-amplifier : de en
  • US2188421A - Pillow : en
  • AU109599B2 - Device for holding lambs during branding, tailing, &c : en
  • DE687539C - Ski tip clamping device : de en
  • US2188416A - Process for rapidly obtaining steels of high purity : en
  • CH208373A - DC watt hour meter with iron in the main power field. : de en
  • CH208414A - Slot-controlled two-stroke internal combustion engine. : de en
  • US2188589A - Method for handling well casings : en
  • USD118743S - Design fob an insect trap or the like : en
  • US2188686A - Luffing crane : en
  • USRE21338E - Tea package : en
  • DE687571C - arbitrarily designed workpieces : de en
  • DE687459C - Device for the implementation of mold fermentation on liquid sewage soil : de en
  • USD118764S - Design for a dress : en
  • FR852365A - : fr
  • DE687646C - Projection lamp arrangement : de en
  • US2188575A - Window blind : en
  • US2188792A - Protective means for electric circuit : en
  • FR50261E - Fastening device for non-slip elements of road vehicle wheel tires : en fr
  • FR852368A - Aircraft : en fr
  • GB517399A - Improvements in or relating to vaporizers for internal combustion engines : en
  • GB517527A - Improvements in gas meters : en
  • DE664472C - Construction drying oven : de en
  • DE687430C - Sprue for casting molds : de en
  • FR50283E - Mechanical excavator for narrow underground : en fr
  • DE687449C - Automatic shut-off valve for beer pressure lines : de en
  • US2188385A - Typewriting machine key : en
  • US2188465A - Polymerization of olefins : en
  • US2188769A - Automatic changing mechanism for disk records : en
  • CA386617A - Package assembling apparatus : en fr
  • SU56290A1 - Device for automatically removing the disc from the gramophone disc : en ru
  • US2188376A - Ring spinning frame : en
  • US2188794A - Means for filling lead presses in the manufacture of cable sheaths : en
  • AU509138A - Improvements in or relating to circuits for operating high-pressure mercury-vapour lamps : en
  • FR50251E - Process for the refining of metals or alloys by oxidative reactions with solid slags : en fr
  • FR852313A - Characters, character carriers and the like for printing devices and method of manufacturing such articles : en fr
  • US2188615A - Horoscope unit for dispensing machines : en
  • DE687662C - Device for forming the bottom square of cross-bottom bags : de en
  • DE687496C - Drum-shaped hood made of hinged parts, especially for aircraft engines : de en
  • GB576359A - Improvements in or relating to controlling aircraft : en
  • US2188512A - Method of making shoes : en
  • US2188348A - Traffic control system : en
  • FR852373A - Device for opening packs of cigarettes and the like : en fr
  • FR852385A - Snap-action flap mechanism for wiper control : en fr
  • GB517439A - Improvements in or relating to railway and like rails : en
  • FR852366A - Box spring for beds and sofas : en fr
  • FR852304A - Improvements to the time bases used to control cathode ray oscillographs : en fr
  • FR852394A - Advanced crankshaft training : en fr
  • GB517500A - Improvements in or relating to motion picture projectors : en
  • US2188403A - Variable speed transmission mechanism for automobiles and the like : en
  • AU109623B2 - Improvements inthe manufacture of foundry molds : en
  • DE687466C - Method for influencing the reverberation in a sound transmission system : de en
  • USD118788S - Design fob a dress : en
  • DE687537C - Safety device for mechanical timer : de en
  • GB517388A - Improvements relating to fountain pens : en
  • DE687611C - en : de en
  • DE687504C - Device for actuation of relays connected to insulating rails, especially for overhead warning systems with constant warning time : de en
  • DE687542C - Bright carbon resistance : de en
  • GB517562A - Time-interval measuring device : en
  • DE687505C - Chimney for locomotive shed : de en
  • US2188838A - Lifting jack : en
  • US2188617A - Electric iron plug and receptacle therefor : en
  • US2188775A - Zone temperature control system : en
  • US2188855A - Oil seal : en
  • USD118721S - Design fob a pitcher or similar : en
  • DE687562C - he stretching device in a device for practicing the method : de en
  • US2188296A - Moistening device : en
  • DE687676C - Process for improving brown coal briquettes : de en
  • FR50281E - Hard alloy for cutting tools : en fr
  • FR852386A - Automotive windshield wipers : en fr
  • FR50269E - Tipping device for dumpers and similar vehicles : en fr
  • FR852499A - Device to ensure cornering stability of vehicles with elastic suspension : en fr
  • DE687596C - Drive device on stencil printing machines, especially for textile printing : de en
  • FR852358A - Aircraft heater : en fr
  • FR852472A - Prepaid newspaper vending machine : en fr
  • GB517567A - Improvements relating to steel smelting furnaces : en
  • US2188497A - Container and method of making the same : en
  • FR852492A - Camping device : en fr
  • DE687471C - Process for the recovery of solvents in the dewaxing of hydrocarbon oils : de en
  • CH208309A - Flagpole holder. : de en
  • DE687682C - n common drive system : de en
  • US2188800A - Double duty snow plow : en
  • DE687642C - Overlay receiver with one-button operation and automatic sharpening by influencing the overlay : de en
  • DE687661C - Cross bottom bag machine : de en
  • CH208408A - Hose clamp. : en fr
  • CH208429A - Arrangement for regulating or measuring technical-physical operating parameters. : de en
  • GB517603A - Improved device for coupling a container and a closure, two tubes or the like : en
  • US2188714A - Antitheft device : en
  • GB517444A - Improvements in starting devices for internal combustion engines : en
  • DE687602C - Telephone number switch with auxiliary contacts to block certain connections : de en
  • GB517376A - Improved means for handling and feeding wire carrying sound records : en
  • GB517593A - Improvements in and relating to coal-face loaders for use in mines : en
  • USD118706S - Design for a plate or similar article : en
  • GB517497A - Improvements in or relating to an optical projection apparatus : en
  • DE687680C - Road roller : de en
  • FR852443A - Fluid brake : en fr
  • DE687549C - Electrode for the electrolytic production of coatings made of tungsten alloys : de en
  • DE687601C - end : de en
  • CH208478A - Bucket elevator for conveying grain and other loose bulk goods. : de en
  • DE687580C - ch : de en
  • GB517502A - Improvements in or relating to optical systems : en
  • GB517549A - Improvements in berths, hammocks and the like for tents, huts, barracks and the like : en
  • DE687660C - Barrel can : de en
  • GB517428A - Improvements in or relating to television or like receivers : en
  • GB517600A - Improvements in rotary heat-exchangers suitable for heating air by furnace gases : en
  • CA386654A - Clothes washing apparatus : en fr
  • CH208357A - Accounting form. : de en
  • CH208428A - Contact arrangement for electrical low and high voltage switches, fuse cartridges or the like. : de en
  • GB517503A - Improvements in or relating to lens systems : en
  • USD118769S - Design for a dress : en
  • CH208385A - Case with glass for wristwatches. : de en
  • CH208395A - Arc welding electrode. : en it
  • US2188588A - Resistance and impedance measuring device : en
  • US2188803A - High speed permanent magnet electroresponsive device : en
  • AU109597B2 - Improved means for amplifying sounds produced on musical instruments : en
  • BE437468A - : en fr
  • CH208356A - Process for the production of luminous enamel. : de en
  • US2188695A - Electric precipitator : en
  • US2188857A - Oil seal : en
  • US2188473A - Feeding mechanism : en
  • US2188486A - Tunable coupling circuit arrangement for ultra-short waves : en
  • GB517505A - Improvements in or relating to film treating machines : en
  • USD118740S - Design for a sewer cleaning : en
  • GB517447A - Improvements in and relating to electric switches with arc-extinguishing means : en
  • DE687697C - Method for determining the resistance of the top layer of elastic material, e.g. B. metal, existing workpieces against elastic deformation : de en
  • FR852484A - Process for producing secondary dis-azo dyes to mordant, giving blue undertones : en fr
  • US2188329A - Gummed tape manufacture : en
  • DE687714C - Device for remote control and remote monitoring of adjustable organs : de en
  • GB517491A - Improvements in or relating to perforated film photographic cameras : en
  • FR852321A - Plane with eclipsable parts : en fr
  • FR50285E - : fr
  • GB517416A - Improvements in and relating to the photographic reproduction of coloured objects : en
  • DK57205C - Work hat. : da en
  • FR852350A - Rubber shoe : en fr
  • DE687621C - Cushions for mattresses, sofas and other furniture : de en
  • GB517543A - Improvements relating to alternating current generators : en
  • FR50291E - Device for recording, reproducing or printing photophonograms : en fr
  • US2188317A - Noncarbonizing arc resistant material : en
  • US2188636A - Platinum alloy for contacting molten glass : en
  • DE687593C - Process for the production of jelly pulp containing swelling binders and drug powder : de en
  • GB517479A - Improvements in and relating to electric transformers of the liquid immersed type : en
  • GB517599A - Improvements relating to lifting and transporting trucks : en
  • GB517519A - Improvements in hydromechanical power transmission means for vehicles : en
  • DE687465C - Device for converting a linkage ratio change on vehicle brakes, in particular railway car brakes : de en
  • DE687705C - ren : de en
  • DK57222C - Sticking machine with Cutting device. : da en
  • US2188584A - Reamer : en
  • DE687674C - Tool for the production of thin-walled pipes : de en
  • DE687654C - Ventilation or vapor extraction device for installation in wall openings : de en
  • CA386623A - Titanium pigment manufacture : en fr
  • DE687703C - t a recording light source : de en
  • GB517539A - Improvements in apparatus for drying slurry : en
  • GB517458A - Improvements in regulators : en
  • AU20839A - Improvements in or relating to magnetron detector arrangements : en
  • DE687692C - Electric immersion heater : de en
  • US2188485A - Coating machine : en
  • US2188556A - Radio compass system : en
  • US2188605A - Suspension unit for chair backs : en
  • CH208378A - Method for copying a sound film with a higher running speed onto a sound film with a lower running speed. : de en
  • USPP357P - Gladiolus : en
  • FR852401A - Dressing and device to stop bleeding : en fr
  • GB517460A - Improvements in or relating to sewing and mechanism adapted for use in sewing machines : en
  • SU56337A1 - The method of obtaining furfural : en ru
  • AU109621B2 - Improvements in syphonic Hushing valves : en
  • DE687564C - Process for disrupting animal organs : de en
  • GB517386A - Improvements in or relating to optical objectives : en
  • US2188445A - Metal connection for building elements : en
  • CH208374A - Permanent brake magnet. : de en
  • CA386643A - Accounting machine : en fr
  • DE687421C - Device for maintaining cathode emission in inverters with a low number of phases with mercury cathode vessels : de en
  • DE687477C - Device for generating artificial respiration : de en
  • US2188341A - Process for the manufacture of abrasive articles : en
  • US2188540A - Refrigerating apparatus : en
  • US2188728A - Holder for buckets : en
  • US2188866A - Rubber transfer or decalcomania : en
  • US2188301A - Method and means for stitching neckties or similar articles : en
  • US2188764A - Camera : en
  • DE687455C - Holder for piezo crystals : de en
  • US2188420A - Rubber vulcanization : en
  • US2188655A - Loudspeaker and the like : en
  • AU109636B2 - Manufacture and application of new condensation products obtained from formaldehyde derivatives and from compounds ofthe thiourea series : en
  • CA386637A - Wired box part making machine : en fr
  • US2188798A - Apparatus for conditioning sand and like materials : en
  • US2188380A - Lens mounting : en
  • US2188449A - Cleaning and massaging device : en
  • US2188621A - Station indicating device : en
  • US2188773A - Bookbinding : en
  • US2188790A - Material handling mechanism : en
  • CA386596A - Aircraft sustaining rotor : en fr
  • USD118746S - Design for an ashtray : en
  • AU109608B2 - Improvements in or relating to cathode ray tube television receivers : en
  • FR852479A - Improvements to electric regulators : en fr
  • CA386534A - Waist belt and band : en fr
  • GB517382A - Manufacture of iodinated esters : en
  • GB517365A - Process for the treatment of metallic baths by certain solid materials : en
  • US2188726A - Apparatus for molding tile : en
  • GB517433A - Improvements in or relating to methods of and apparatus for nut cracking : en
  • DE687541C - Device for protecting the screen in cathode ray tubes : de en
  • US2188600A - Duplicating machine : en
  • USD118777S - Design for a dress : en
  • US2188343A - One-hand paddle : en
  • US2188545A - Trailer : en
  • US2188595A - Mounting for power tool : en
  • US2188754A - Means for indicating defects in threads : en
  • US2188468A - Preservative composition and products derived therefrom : en
  • US2188642A - Automatic latch with push-button release : en
  • US2188692A - Combined container and ashtray : en
  • DE687487C - Knife presser for mowing machines : de en
  • FR852473A - Protective cover for fragile containers : en fr
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  • GB517431A - Improved electromagnetic transport device : en
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  • FR852379A - Magnetic filter or separator : en fr
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  • GB517557A - Improvements in and relating to tread strips for the running boards or bodies of vehicles : en
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  • FR852363A - Advanced telescopic antenna for t installations. s. f. in cars : en fr
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  • DE687583C - Corrugated profile connection between the steering lever hub, slotted on one side, which can be clamped together, and the steering lever shaft of motor vehicles : de en
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  • GB517572A - Improvements in or relating to electro-magnetic switches or the like : en
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