• US2073780A - Machine for applying foil to paper : en
  • US2074208A - Bathing cap : en
  • USD103587S - Design fob a shoe or similar : en
  • CH189607A - Storage and protection device, in particular for table knives. : de en
  • CH189764A - Device to be fastened to a wall for recording notes, in particular for telephone subscriber stations. : de en
  • USD103643S - Design for a textile fabric suitable : en
  • DE1401377U - : de en
  • USD103602S - Design for a shoe : en
  • CH189811A - Process for the production of a polynuclear ring ketone. : de en
  • AU82136A - Improvements in or relating to motorcycle sidecars : en
  • CA364848A - Rotary seesaw : en fr
  • CH189632A - Process for the production of stiffened items of laundry. : de en
  • US2074078A - Method of automatic tension control in belt and rope drives : en
  • FR47339E - Method of establishing molds or parts of metal molds for glassware : en fr
  • GB463112A - Improvements in belt driving arrangements for lathes or other machines : en
  • NL40280C - : en
  • DE642813C - Electric totalizer : de en
  • US2074264A - Means for making trimming strips : en
  • US2073627A - Adjustable film gate : en
  • CH189814A - Automatic connection coupling for railway vehicles. : de en
  • DE642936C - Elastic shoulder insert : de en
  • US2074015A - Packing material for sealing joints : en
  • DE642781C - Heating wall for coke stoves : de en
  • US2074231A - Can and closure therefor : en
  • US2074111A - Surfacing machine for plate glass : en
  • US2074089A - Jacquard covering and tuck pattern device for flat hosiery frames : en
  • US2074120A - Process and apparatus for pressure distillation : en
  • US2074220A - Apparatus for electrical etching : en
  • US2073759A - Manufacture of polymethine dyes : en
  • US2074215A - Toilet : en
  • ES143429A2 - MODIFICATIONS INTRODUCED TO THE PURPOSE OF THE MAIN PATENT NUMBER 134197 : en es
  • GB462756A - Improvements in or relating to valves for pneumatic tyres and the like : en
  • GB462919A - An improvement in or relating to expanding reamers : en
  • GB462990A - Improvements in or relating to film gates for motion picture apparatus : en
  • US2073888A - Pump piston packing : en
  • US2074200A - Prepared chemicals and method of preparing the same : en
  • US2073807A - Artificial limb : en
  • CA364761A - Sulphonated product : en fr
  • DE642959C - Freewheel recoil brake for bicycles and motor vehicles arranged within the ring gear : de en
  • DE642914C - Cleaning and sorting device for grain with a pair of rollers hurling the grain towards an air stream : de en
  • AU100480B2 - An improved branding device : en
  • US2074125A - Goal post : en
  • DE642922C - Surface structures resistant to chemical warfare agents : de en
  • FR810089A - Novel tetrakisazo dyes containing copper and their production process : en fr
  • CA364856A - Plant support : en fr
  • CH189793A - Process for the preparation of 1: 8-dicarboxynaphthalene-4: 5-biscarboxyethylanilide anhydride. : de en
  • GB463050A - Improvements in and relating to apparatus for tempering glass : en
  • CA364716A - Pulverizer : en fr
  • DE642874C - Apparatus for exposing photosensitive paper using an artificial light source : de en
  • GB462773A - An improved device for the periodic opening or closing of electric circuits : en
  • US2073606A - Tobacco smoking pipe : en
  • CA364776A - Textile material coating device : en fr
  • CA364803A - Coloured roofing granule manufacture : en fr
  • GB462960A - Improvements in and relating to web guiding apparatus : en
  • GB463058A - Improvements in or relating to the ventilation of coats and like garments : en
  • CH189652A - Film, insbesondere zur Herstellung von Verbundglas. : de en fr
  • AU6411065A - Measuring system : en
  • US2073639A - Spring suspension : en
  • US2074020A - Hair cutting machine : en
  • USD103618S - Design for a dress : en
  • USD103652S - Design for a dress : en
  • FR810266A - Further training in rolling mills and in particular in cylinder mixers used in the rubber industry : en fr
  • GB462870A - Improvements in or relating to suction nozzles for vacuum cleaning apparatus : en
  • GR6376B - PLATES WITH POLISHED SURFACE BY IMITING MARBLE OR GLASS : el en
  • US2073609A - Wad for fowling-pieces : en
  • US2073820A - Device for marking valuable papers : en
  • DK52824C - Safety screen for Wheel Hub or Bearings for Agricultural Machinery. : da en
  • ES143425A1 - Improvements in the recovery of gas sulfur dioxide. : en es
  • US2073604A - Fuel distributing valve : en
  • US2073712A - Desk manifolder : en
  • US2074163A - Railway signaling system : en
  • US2074178A - Display stand : en
  • USD103609S - Design fob a shirt collar : en
  • DE642808C - Hot water heating system with a pipe leading to the expansion vessel : de en
  • IE14281L - Machine for binding packages : en
  • DE642770C - Sorting cabinet with several tapes arranged one above the other, especially for letters : de en
  • US2073794A - Hand brake : en
  • US2073986A - Advertising display device : en
  • US2074276A - Apparatus for arc welding : en
  • DE642841C - Seal for piston : de en
  • GB462772A - Improvements in and relating to electric discharge devices : en
  • US2073745A - Window : en
  • US2074170A - Power transmitting device : en
  • US2074241A - Container for dispensing grease : en
  • FR810281A - New clothing presentation device : en fr
  • FR810061A - Process for dyeing or coloring cellulose esters and ethers : en fr
  • US2073816A - Track grinder : en
  • DE642907C - Method of manufacturing glass tubes with a precise interior shape : de en
  • CA364746A - Vinyl ether : en fr
  • US2074007A - Method of making articles of cobaltchromium-tungsten alloys : en
  • CA364876A - Moving object photographing apparatus : en fr
  • US2073638A - Apparatus for regeneration of contact masses : en
  • CH189656A - A method of manufacturing soft and absorbent paper and paper obtained by this method. : en fr
  • FR810367A - Progressive speed change propulsion system for cycles and other applications : en fr
  • FR810379A - Thermal motive power plant in which a working fluid in the gaseous state, preferably air, constantly describes a closed circuit under pressure : en fr
  • FR810241A - New vehicle for use in fairground attractions or other applications : en fr
  • FR810360A - Topographic pen holder with reservoir and automatic feed : en fr
  • FR810398A - Group of transformers for electric welding : en fr
  • GB462905A - Improvements in or relating to file holders for index cards and the like : en
  • GB463005A - An improved optical projector : en
  • FR810227A - Brake drum : en fr
  • GB463054A - Process for hardening the teeth of toothed wheels by a flame : en
  • FR810150A - Advanced mechanical remote control device : en fr
  • US2073677A - Temperature regulating system : en
  • US2074040A - Aryl mercury hydroxy mononuclear aromatic carboxylates : en
  • US2074058A - Coding and decoding apparatus : en
  • US2074153A - Lady's blouse : en
  • CH189573A - Heat or Cold insulation. : de en
  • GB462837A - Improvements in and relating to metallurgical converters : en
  • GB462744A - Improvements in or relating to screening elements for sun bathing : en
  • FR810349A - Carburetor improvements : en fr
  • US2073890A - Tubing head : en
  • US2074250A - Advertising device : en
  • DE642913C - Machine for punching cards : de en
  • GB463033A - Improvements in and relating to electric resistance heating elements : en
  • DE642820C - For a door lock of the usual design usable, electromagnetically triggered locking bolt : de en
  • GB462694A - Process for the manufacture of new acid wool dyestuffs of the anthraquinone series : en
  • CH189631A - Corselet. : de en
  • CH189754A - Method for making a milk bath. : de en
  • GB462946A - Improvements relating to driving mirrors for use on vehicles : en
  • GB463030A - Improvements in and relating to magnet cores more especially for loading coils of trunk communication lines : en
  • FR810181A - Drive axle controlled by a concentric cardan shaft : en fr
  • CA364879A - Metal processing : en fr
  • FR810130A - Rolling mill and rolling process : en fr
  • US2073707A - Container closure : en
  • US2074072A - Ophthalmic lens and method of making same : en
  • US2073827A - Apparatus for producing dehydrated and crystalline anhydrous sodium tetraborate : en
  • US2074060A - Renewable fuse : en
  • FR810332A - Coolant for engines : en fr
  • GB462818A - Improved method and means for effecting transfer of fuel, containers, persons or the like from one aircraft to another during flight : en
  • FR810371A - Improvements to hydraulic pressure systems for controlling motor vehicle accessories : en fr
  • US2074113A - Thumb or finger guard : en
  • US2073964A - Bottle stopping machine : en
  • US2073788A - Building wall structure : en
  • US2073877A - Core barrel : en
  • US2074079A - Torque measuring wrench : en
  • US2073989A - Collar attaching means : en
  • FR810074A - Knife and scissors sharpening machine : en fr
  • FR810387A - Improved method and apparatus for forming and entraining a uniform web or layer of tobacco or other disintegrated material : en fr
  • US2073801A - Renewable cutting edge : en
  • USD103658S - Design fob a dress : en
  • CA364868A - Tire tread : en fr
  • US2074013A - Process of treating ores and similar materials : en
  • DE642768C - Projection scale : de en
  • US2073633A - Means for pressing the bottoms of shoes : en
  • US2073685A - Manufacture of fatty acid anhydrides : en
  • US2074047A - Electron discharge amplifier : en
  • GB463045A - Manufacture of derivatives of anthraquinone : en
  • FR810292A - Process for the manufacture of dry compositions based on colloidal sulfur, capable of reproducing colloidal suspensions, and compositions obtained by this process : en fr
  • NL40221C - : en
  • USD103637S - Design for an electric water heater : en
  • DE633547C - Water-soluble seed dressing : de en
  • US2073738A - Evaporating apparatus : en
  • US2073762A - Safety paper and method of making the same : en
  • US2074123A - Folding table : en
  • US2074127A - Method of producing nitrosophenols : en
  • US2074217A - Winding carrier for freshly spun threads of artificial silk : en
  • DE642817C - Process for introducing and stretching roll films in developing vessels in daylight : de en
  • GB463107A - Method of fabricating casing structures of shock absorbers : en
  • FR810069A - Friction operated screw presses : en fr
  • FR810166A - New resinous compositions and their manufacture : en fr
  • DE642833C - Inward-opening tilting door for firing, especially locomotive firing : de en
  • FR810149A - Folding armchair : en fr
  • US2073676A - Control device and circuits for hot water heating systems : en
  • US2074166A - Manufacture of cemented footwear : en
  • GB462709A - Improvements in or relating to the cutting of gear teeth : en
  • US2073680A - Smoking stand : en
  • GB462948A - Improvements in and relating to phyrophoric lighters : en
  • DE642919C - Device for bending rolled bars or groups of bars into bundles : de en
  • FR810304A - Convenient and progressive gear change device : en fr
  • FR810098A - Electric vapor discharge lamp with rare gas base filling : en fr
  • GB463129A - Improvements in jewels adapted to be fixed in hair, on a fur, a fringe, and the like : en
  • GB462910A - Improvements in or relating to telephone systems : en
  • GB462980A - Improvements in or relating to slide stop valves : en
  • GB462689A - Improvements in and relating to seats, chairs and the like : en
  • US2073915A - Humidifier : en
  • US2074045A - Rope guard for paper making machines : en
  • GB462969A - Improvements in methods of preparing organic fluorine compounds : en
  • US2073748A - Railway traffic controlling apparatus : en
  • FR810111A - Machine for removing woody parts of bast fibers : en fr
  • GB462847A - An improved device for locking and releasing movable machine parts : en
  • FR810085A - Improvements to high frequency power transmission lines : en fr
  • GB462835A - Process for producing lines, designs, or illustrations on a dark or coloured background : en
  • US2073822A - Steering wheel : en
  • US2073994A - Metallurgical method : en
  • GB462826A - Improvements in and relating to gyroscopic devices : en
  • US2073773A - Photoelectric converter : en
  • US2074002A - Electric circuit controlling means : en
  • US2074121A - Shoe : en
  • US2074221A - Method of etching plates : en
  • US2073826A - Method of making borides : en
  • DK52813C - Radio receiver. : da en
  • FR810082A - Liquid transmission device : en fr
  • FR810103A - Improvements to lead shot cartridges : en fr
  • GB462801A - Improvements relating to scaffold clamps and like connecting members : en
  • GB462827A - Improvements in and relating to speed control of electric motors : en
  • FR810163A - Card Amalgamation Machine : en fr
  • DK52835C - Ignition Mechanism with Delay Rate for Projectiles. : da en
  • DE642838C - Automatic parking device for speaking machines : de en
  • DE642925C - Device for displaying the position of the car body for the driver of motor vehicles : de en
  • DE642756C - Device for clearing coal pots or the like. : de en
  • DE642939C - Process for the production of N-vinyl compounds : de en
  • US2073900A - Coal mining apparatus : en
  • US2074057A - Fishhook release : en
  • AU100446B2 - Improvements in or relating tothe refining of liquids : en
  • US2074133A - Fastener device for a bag : en
  • US2074294A - Filter : en
  • USD103611S - Design for a dress : en
  • US2073862A - Turntable : en
  • FR47331E - Central second hand mechanism with stop and reset, applicable to watches : en fr
  • FR810081A - Ultra-fast opening circuit breaker : en fr
  • FR810377A - heat exchanger for thermal power plants in which a gaseous working fluid, preferably air, constantly describes a closed circuit under pressure : en fr
  • US2073782A - Clock mechanism : en
  • FR47305E - Exhaust for extinguishing burnt gases from internal combustion engines : en fr
  • CA364717A - Automobile motor suspension : en fr
  • CH189714A - Pump with elastic piston arranged in a hollow cylindrical pump housing. : de en
  • US2073610A - Controlling flume : en
  • US2073751A - Dispensing nozzle : en
  • US2073941A - Container closure : en
  • USD103617S - Design for a coat : en
  • US2073855A - Mat cutter : en
  • US2074075A - Spring detent : en
  • CH189650A - Process for the preparation of dyes of the phthalocyanine series. : de en
  • DE642836C - Lane crossing for overhead crane : de en
  • DE642824C - Device for extinguishing the arc of metal vapor valves switched on in direct current networks to protect them by means of capacitors connected parallel to the arc by spark gaps : de en
  • FR810225A - Improvements to rubber-like products and their manufacturing processes : en fr
  • GB462906A - Improvements in the manufacture of oxygenated organic compounds : en
  • US2073930A - Specialized lubrication system and means : en
  • US2074034A - Tappet construction : en
  • US2073887A - Charge modifying attachment for engine intake manifolds : en
  • US2074087A - Flame spreader : en
  • USD103578S - Design fob a bowl or similar article : en
  • US2073709A - Internal combustion engine : en
  • US2073733A - Priming means for centrifugal pumps : en
  • CH189679A - Device for locking the breech block on machine guns. : de en
  • CA364736A - Incandescent lamp : en fr
  • ES143229A1 - An improved system of extended-action, multiple-ignition ignition with adjustable retardation for ignition of the fuel mixture in the superheaters of the automobile torpedo machines. : en es
  • CH189583A - Air heating ovens, in particular for large space heating. : de en
  • CH189722A - Interrupter for ignition devices. : de en
  • GB462833A - Improvements in or relating to window wipers : en
  • CA364838A - Sewing machine : en fr
  • US2074155A - Self-adjusting valve tappet : en
  • USRE20300E - Refrigerator : en
  • DE642681C - Hand-held saw bow made of tubular steel : de en
  • DE642997C - Folding box with a pull strap for lifting cigarettes, cigarillos and similarly shaped bodies : de en
  • FR810182A - Installation of turbines for powers and speeds varying within wide limits : en fr
  • FR810161A - Variable volume turbine : en fr
  • GB462806A - Improvements in high-pressure metal-vapour electric discharge devices : en
  • US2074005A - Drop weight scale : en
  • FR810359A - Umbrella or shortenable parasol : en fr
  • FR810248A - Film corridor : en fr
  • GB463032A - Improvements in automatic float-controlled apparatus for raising liquids by means of compressed air : en
  • AU100471B2 - Improved polishing broom : en
  • US2074255A - Rotary eraser : en
  • DE642809C - Use of a cadmium alloy as filler : de en
  • GB462745A - Hydraulic pressure device : en
  • USD103607S - Design fob a dress : en
  • DE642741C - Box-shaped number plate illuminated from the back for motor vehicles with indirect lighting : de en
  • US2073791A - Fly catcher : en
  • IE14401L - Elastic plasters and bandages : en
  • US2073830A - Commutator cleaner for electric motors : en
  • DE642767C - Process for the production of phenol-aldehyde resins which harden quickly in the cold : de en
  • DE642852C - Mobile unloading device for box and plate conveyor belts to unload the same at any point in their course : de en
  • FR810376A - Glass washing device : en fr
  • CH189569A - Vehicle brake for mowers and other mobile agricultural machines. : de en
  • FR810323A - Piston improvements : en fr
  • FR810382A - Process for preparing polyoxyalkylene compounds : en fr
  • US2074297A - Optical illusion effects or the like : en
  • CH189779A - Automatic braking device for trailers of vehicles. : de en
  • DE642708C - Process for the preparation of aliphatic compounds : de en
  • DE642917C - Rope clamp : de en
  • US2073869A - Wig : en
  • US2073957A - Bearing mounting : en
  • DE642774C - Device for opening and closing a shutter from inside the room : de en
  • US2073939A - Beet digging attachment for tractors : en
  • FR47304E - Improvements to installations for the removal of animal wastes and detritus of all kinds and for the purification of polluted water from slaughterhouses : en fr
  • FR810101A - Process for decomposing substances containing tungsten sulphide : en fr
  • FR810329A - Electric heater : en fr
  • US2074207A - Game apparatus for amusement purposes : en
  • DK52817C - Secondary Air Supply for Central Heating Boilers. : da en
  • FR810162A - Sealskin with combined mounting by gluing or other for skis : en fr
  • FR810280A - Device for sterilizing water and other liquids : en fr
  • GB463004A - Means for automatically controlling the rotational speed of mechanism for winding paper, cloth, carpet, threads, wire or the like : en
  • FR47311E - Device ensuring the automatic placement of preservative covers on the seats of water closets : en fr
  • DE642963C - Device for wrapping sensitive cylindrical objects : de en
  • GB462873A - Improvements in band-pass filters : en
  • GB462849A - Improvements relating to paper tubes employed as holders for textile yarns or threads : en
  • DE642901C - Device for dry deep freezing of air, in which the cooling elements consist of flat cells : de en
  • GB462703A - New or improved process and apparatus for the drying of travelling webs : en
  • GB463040A - Improvements in and relating to methods of and means for automatically controlling acceleration and deceleration : en
  • GB462911A - Improvements in and relating to feeders and the like for electric currents of high frequency : en
  • GB462994A - Improvements in or relating to book-binders' wrappering or covering machines : en
  • AU81236A - Improvements in or relating to modulated carrier wave receiving installations ofthe kind adapted to receive television or telecinematograph aswell as sound signals which are transmitted as modulations of carrier energy : en
  • US2074202A - Bearing : en
  • US2074088A - Apparatus for producing orthostereoscopic representations : en
  • US2074248A - Holder for a glass, tooth brushes, and a paste tube : en
  • USD103631S - Design for an instrument board for : en
  • FR810185A - Process for the separation, in sylvinite ores, of valuable soluble constituents and products obtained in accordance with this process : en fr
  • DK52831C - Tipper. : da en
  • US2073933A - Radio frequency distribution system : en
  • US2074150A - Vat dye assistants and method of using : en
  • GB463026A - Means for suspending apparatus sensitive to shocks : en
  • FR810283A - Double freewheel device for tandems : en fr
  • FR810315A - Improvements to sorting machines for recording statistics : en fr
  • US2073952A - Separation of material : en
  • DE642934C - Light signal device for lateral installation at road crossings, railroad crossings, etc. like : de en
  • DE642796C - Paper trolley switching device on typewriters or the like. : de en
  • FR810209A - Improvements in the manufacture of mineral spirits from normally gaseous hydrocarbons : en fr
  • FR810118A - Agent for waterproofing concrete, and process for its preparation : en fr
  • ES143388A1 - A METHOD OF IMPROVING PIGMENT PASTS : en es
  • CA364874A - Bracket : en fr
  • FR810070A - Device for measuring the deflections of railway curves : en fr
  • GB462789A - An improved brake mechanism for double drum winches or hoists : en
  • US2074023A - Stove and fuknace pipe elbow : en
  • AU100455B2 - Improvements in and relating to protective devices for electrical apparatus : en
  • FR810383A - Collector rail for shielding engine ignition circuits : en fr
  • US2073799A - Process for the production of hydroxy acids and the product thereof : en
  • USD103645S - Design fob a velocipede : en
  • US2073668A - Power transmitting mechanism : en
  • US2073797A - Manufacture of glycerides of fatty acids : en
  • US2073849A - Rheostat or adjustable resistance and potentiometer with contact members : en
  • US2074042A - Swivel connection for vacuum cleaner nozzles : en
  • FR810173A - Tool for mechanical tightening and loosening of nuts : en fr
  • FR810137A - Machine for notching and securing the ends of packaging strips and automatically disengaging them from it : en fr
  • GB462698A - Improvements in or relating to the manufacture of abrasivecoated articles : en
  • GB462738A - Improvement in apparatus for printing and embossing in register : en
  • GB462927A - Improvements in and relating to preparation of shredded tobacco : en
  • GB462993A - Improvements in and relating to hand operated electric tools : en
  • DE642775C - Device for drying painted panels o. The like. : de en
  • DE642816C - Process for increasing the tensile strength of a metal by incorporating a stronger material used as reinforcement : de en
  • FR810301A - Safety device for carburettors : en fr
  • GB462901A - Manufacture of 3-alkoxy-4-oxybenzaldehydes : en
  • US2074228A - Light metal piston : en
  • NL40243C - : en
  • US2074281A - Method and apparatus for the production of metallic coatings on electrically nonconducting substances by the thermal vaporization of metals in vacuo : en
  • FR810271A - Control device for switching on and off electric lamps : en fr
  • DE642930C - Device for the simultaneous regulation of a tap transformer working with dry rectifiers : de en
  • FR47329E - Mobile and adjustable shelf support for radiator : en fr
  • GB462778A - Improvements in or relating to systems of remote indication of electrical quantities : en
  • DE642911C - Infeed device on automatic scales for weighing items of different piece or grain sizes : de en
  • FR810331A - Improvements to pressurized fluid dispensing devices : en fr
  • US2073805A - Garment hanger : en
  • US2073881A - Drawing instrument : en
  • DE642876C - Process for electro-metal plating of aluminum : de en
  • GB462928A - Improvements in or relating to cartons : en
  • GB462963A - Improvements in tail skids or tail wheels for aeroplanes : en
  • CA364801A - Fuse : en fr
  • US2073714A - Razor : en
  • US2073781A - Building construction : en
  • ES143072A1 - A pendulum system with live force shock absorber for automobile torpedo pendulum device. : en es
  • FR810375A - Improvements to television and similar apparatus : en fr
  • DE642811C - Display device for mixing scales : de en
  • US2073660A - Head for cotton pickers : en
  • US2073739A - Abrasive disk : en
  • US2073657A - Electrically heated steam laundry and pressing iron : en
  • US2073929A - Garment : en
  • CA364747A - Calculating machine : en fr
  • FR810180A - Device for indicating and measuring low rotational speeds : en fr
  • GB462923A - Improvements in or relating to bobbins for use in spinning and weaving : en
  • US2074233A - Combined crusher and screen : en
  • FR47349E - Weighing printing apparatus applicable to weighing instruments : en fr
  • FR810344A - Photo-electric camera for measuring exposure time in photography : en fr
  • FR810234A - Container closure : en fr
  • US2073817A - Method of treating wet basic carbonate white lead pulp : en
  • US2074148A - Multipost lift : en
  • DE642992C - Lying sifter for wood pulp, cellulose or the like. : de en
  • FR810108A - Closure, such as slider closure or other : en fr
  • GB462807A - Cover applying machine for bottles or like containers : en
  • GB463053A - Improvements in or relating to cold vulcanising agents or compositions and the method of making the same : en
  • FR810190A - Connection joint for reinforcing bars : en fr
  • DE642826C - Cantilever taxiway for aircraft : de en
  • USD103600S - Design for a base for a jewelry box : en
  • CH189761A - Device for starting and stopping a self-collecting film machine. : de en
  • CH189797A - Process for the preparation of a substituted aminopropionic acid. : de en
  • DE642797C - Disk-shaped copy device for loose-leaf bookkeeping : de en
  • DE642871C - Mill firing : de en
  • DE642905C - Blow mold for the manufacture of hollow glass bodies : de en
  • DE642870C - Small synchronous motor with a toothed iron runner and main and auxiliary poles formed according to the shaded pole principle : de en
  • CA364845A - Diffusion impeller deflector : en fr
  • CA364866A - Gas filtering device : en fr
  • GB462763A - Improvements in or relating to tensioning and fastening means for metal hoops or wires for securing packages, chests and the like : en
  • CA364859A - Fruit and vegetable storing and preserving method : en fr
  • CH189708A - Piston. : de en
  • CA364857A - Roller skate : en fr
  • USD103561S - Design for an instrument case or : en
  • DE642853C - Device for converting a three-phase system with high voltages into a two-phase system with high currents, in which the two-phase system is connected to the three-phase system via two autotransformers in a Scott circuit : de en
  • FR810362A - Lifting device allowing a vehicle to be moved in any direction : en fr
  • DE642947C - Biaxial spring joint for flat boxes, such as B. powder compacts : de en
  • US2074288A - Fluorescent hydrocarbon oils : en
  • FR810212A - In-line fertilizer distributor : en fr
  • GB463056A - Improvements in or relating to the production of alkali cellulose particularly useful for making cellulose esters or ethers : en
  • FR810060A - Headlight and its location, allowing cars to cross without dazzling while keeping roughly the same light intensity : en fr
  • GB463020A - Form for a cast iron ingot mould : en
  • GR6370B - WASHING FOR THE TRANSPORTATION OF POWDERED MATERIALS OR SOLID OBJECTS. : el en
  • FR810264A - Process of covering all metallic or non-metallic objects in order to imitate guillochage, chrome plating and lacquering or their combinations : en fr
  • US2073796A - Coating composition : en
  • US2074159A - Protector for electrical appliances : en
  • FR47327E - Composition for coatings, in particular of pavements and process for its preparation : en fr
  • CH189681A - Room fan for gas protection rooms. : de en
  • DE642884C - Packaging for phosphides : de en
  • AU100472B2 - Improvements in thermionic and like time-base circuits : en
  • GB462893A - Improvements in and relating to electric power switches in series with isolating switches : en
  • US2073708A - Roller skate : en
  • CH189782A - Bicycle brake. : de en
  • CH189758A - Syringe for liquids. : de en
  • CH189724A - Process for regulating the output of thermal power plants, in which a gaseous working medium, preferably air, continuously describes a closed circuit under excess pressure, and a system for carrying out this process. : de en
  • FR810148A - Centrifugal separator : en fr
  • GB462710A - Improvements in heat exchangers for thermal power plants, in which gaseous working medium, preferably air, continously describes a closed cycle under pressure : en
  • CA364850A - Ornamented glass : en fr
  • US2074031A - Continuous dyeing process : en
  • US2073742A - Corn sheller : en
  • USRE20292E - Vehicle : en
  • US2073682A - Processes of treating vegetable fibrous material for the production of cellulose fibe : en
  • AU48136A - Improvements in control ofthe operating point of thermionic devices : en
  • GB462705A - Improvements in or relating to sifting devices for sifting finely divided material such as flour : en
  • GB462958A - Improved welding machine : en
  • GB462971A - Improvements in apparatus for developing sensitised layers : en
  • GB463023A - Acoustical oscillator, specially organ pipe : en
  • US2073727A - Valve : en
  • US2073908A - Method of and apparatus for controlling rectification : en
  • US2074037A - Automatic self-synchronized transmitting system : en
  • CH189610A - Drawer. : de en
  • ES143423A1 - Improvements in the recovery of gas sulfur dioxide. : en es
  • DE642893C - Process for the production of color photographs and master copies for the purpose of color photography on a multipack : de en
  • FR810125A - Rubber-like materials and method of making them : en fr
  • GB462804A - High frequency signalling systems and apparatus therefor : en
  • DE642872C - Compressed air atomizer : de en
  • CH189755A - Process for the preparation of 2,4-dioxo-3,3-diallyl-6-methyltetrahydropyridine. : de en
  • CH189684A - Control device for fixed, independently controllable counters on typing calculators. : de en
  • FR810399A - Device for adjusting the air intake in the fireplaces : en fr
  • US2073811A - Flue cleaner : en
  • US2074222A - Apparatus for etching plates : en
  • US2074004A - Pump : en
  • US2074310A - Ornamental seam sewing machine : en
  • USD103592S - Design fob a shoe ob similab : en
  • CH189786A - Safety device for crossings on single-track lines. : de en
  • US2074134A - Thrust motor : en
  • DE642985C - Holding device for exchangeable mounting of a pull-fuse pack : de en
  • CH189617A - Trestle and extension ladder. : de en
  • CH189717A - Power transmission gears on power machines, in particular on multi-cylinder heat engines. : de en
  • CA364758A - Earth solidifying process : en fr
  • CA364825A - Loose leaf sheet : en fr
  • CA364886A - Hair curl presser : en fr
  • GR6377B - MANUFACTURE OF DELICIOUS TIMES FROM THE PRESSURE OF THE CRUSHED RAISIN. : el en
  • CA364740A - Housing for cut-out switches : en fr
  • CH189680A - Procedure and equipment for air renewal in shelters. : de en
  • CH189773A - Remote control and telecommunication device. : de en
  • GB462892A - Improvements in or relating to shoes or sandals : en
  • CH189798A - Process for the preparation of an insoluble azo dye. : de en
  • US2074112A - Door hinge : en
  • US2074214A - Stock dehorner : en
  • US2074269A - Dispensing device : en
  • CH189659A - Card index. : de en
  • DE642764C - Device for igniting metal vapor discharge apparatus with a liquid cathode, in particular mercury vapor rectifiers : de en
  • DE642940C - Matrix setting and line casting machine, in which matrices of different shapes are fed to the casting mold by a casting slide that is movable in a vertical direction and the casting slide can be stopped in different casting positions by a stop block with a continuously inclined surface : de en
  • USD103564S - Design fob a music stand : en
  • USD103568S - Design for a phonograph cabinet : en
  • US2073703A - Method of making knitted fabric : en
  • US2074103A - Shock absorbing suspension : en
  • US2073644A - Film holder : en
  • US2074033A - Impulse generator : en
  • US2073910A - Latch for window operators : en
  • USD103620S - Design for a savings bank : en
  • DE642799C - Prepaid card printer : de en
  • FR810396A - Method of manufacturing shaped articles, basically substituted : en fr
  • GB463044A - Improved process and machine for manufacturing electrodes for galvanic cells : en
  • CA364710A - Dehydrating process and apparatus : en fr
  • CH189770A - Station display device for radio sets and the like. : de en
  • USD103596S - Design for a brooch : en
  • AU100447B2 - Improvements in or relating to modulated carrier wave receiving installations ofthe kind adapted to receive television or telecinematograph aswell as sound signals which are transmitted as modulations of carrier energy : en
  • FR47309E - Self-lining process, penetrating protector of iron and steel : en fr
  • FR810298A - Improvements to luminescent tubes : en fr
  • GB462753A - Code lock : en
  • GB462805A - Improvements in or relating to speed governors for internal combustion engines operating with injection of liquid fuel : en
  • US2073978A - Device for developing photographic films : en
  • CH189670A - Ski. : en fr
  • DE642689C - Ironing machine : de en
  • FR810110A - Device for regulating the feed water of steam generators or similar apparatus : en fr
  • FR810145A - Improvements to bras, gaines and similar garments : en fr
  • FR810202A - Vacuum regulator for internal combustion engines : en fr
  • FR810269A - : fr
  • US2074116A - Exhibiting instrument : en
  • CH189688A - Talking machine with automatic plate feeding device. : de en
  • AU79836A - Improvements in and relating to cash registers : en
  • GB462995A - Interlocking tunnel lining segments : en
  • US2074055A - Fastening means for insulating material : en
  • FR810157A - Adjustable rail pullers : en fr
  • FR810129A - Printing ink for chemical printing and in particular for printing using amalgam of mercury, and process for its preparation : en fr
  • AU100443B2 - Improvements inthe manufacture of artificial dentures and partial dentures : en
  • CA364751A - Liquid hydrocarbon production : en fr
  • CA364779A - Ice supplying apparatus for refrigerator cars : en fr
  • CA364824A - Electrical heating apparatus control system : en fr
  • CA364887A - Hair wave presser : en fr
  • AU80336A - Improvements inthe manufacture of artificial dentures and partial dentures : en
  • FR810356A - Improvements to vehicle suspension systems : en fr
  • FR810257A - Improvement in direction finders and variometers : en fr
  • GB462828A - Improvements in or relating to the manufacture of light metals by electrolysis : en
  • DE642839C - Shovel device : de en
  • FR810319A - Method and apparatus for air conditioning : en fr
  • DE642805C - Arrangement for reversing valve-controlled, brushless motors when transitioning from motor operation to generator operation : de en
  • GR6369B - AUTOMATIC TAP WITH LEVEL OF WATER AND OTHER LIQUIDS. : el en
  • FR810328A - Improvement in liquid spraying stations : en fr
  • US2074014A - Automatic volume control circuits : en
  • GB462925A - Improvements in or relating to freezing trays : en
  • FR810240A - Packaging of fluid, pasty or powdery products in the form of a cartridge to quickly supply devices fitted with a pressurized feeding device : en fr
  • FR810354A - Station indicating device for radio receivers and the like : en fr
  • GB463013A - Improvements in or relating to fire and temperature alarm systems and apparatus : en
  • DE642771C - Coin machine as time flow switch : de en
  • FR810378A - Method for regulating the power of thermal motive power plants in which a working fluid in the gaseous state, preferably air, constantly describes a closed circuit under pressure, and plant for carrying out this process : en fr
  • GB462945A - An improved gas burner : en
  • GB462950A - Improvements in or relating to locked wire ropes, electric cables or strands therefor : en
  • GB463125A - Improvements in fixation devices for jewels or other articles intended to be fixed in hair, on a fringe, a fur, and the like : en
  • FR810306A - Improvements made to transmissions comprising several gear ratios with progressive grip and particularly to those for motor vehicles : en fr
  • US2073889A - Framed structure : en
  • FR810343A - Self-pneumatic hammer : en fr
  • GR6372B - PERFECTIONS IN MACHINE (SAW ROD) CUTTING OF TIMBER OR MATERIALS BY HORIZONTAL OPERATION AND AUTOMATIC WAGON PLACEMENT AND PLACEMENT. : el en
  • US2073834A - Barrier control system : en
  • US2073613A - Motor vehicle : en
  • US2074128A - Woven friction lining : en
  • USD103662S - Design fob a dress : en
  • GB462792A - Process for compensating fluctuations in the temperature or composition of crude gas in the separation of gaseous mixtures by rectification : en
  • DE642827C - Gun vehicle with limber : de en
  • FR810075A - Chlorine refractory coating specially designed for aircraft canvas, gas masks, moleskine bands and braid : en fr
  • GB462999A - Improvements in and relating to gear wheels and in the manufacture thereof : en
  • FR810307A - Silent propeller : en fr
  • FR810351A - Process and solutions for imparting shine to zinc, and in particular to zinc coatings obtained by electrolysis : en fr
  • FR810116A - False collar : en fr
  • FR810335A - Variable impedance attenuation control device : en fr
  • GB462933A - Process and apparatus for gasifying solid fuels in gas producers : en
  • GB462783A - Method of manufacturing a permeable imitation leather : en
  • US2074151A - Control device for electrical musical instruments : en
  • US2073951A - Silencer for gaseous currents : en
  • US2074306A - Process for the preparation of anthraquinone compounds : en
  • US2073725A - Manufacture of shoes : en
  • US2074174A - Viscosimeter : en
  • CH189781A - Protective device for bicycles, in particular women's bicycles. : de en
  • US2073710A - Pump and unloading means : en
  • US2073956A - Dam : en
  • US2074016A - Holder for stick material : en
  • FR810199A - Electrical and similar devices with pressure isolation : en fr
  • FR810334A - Improvements to welded sheet walls : en fr
  • FR810191A - Decorative panel in transparent or translucent material : en fr
  • US2073719A - Paper dispenser : en
  • US2073753A - Correlating cap for sprayers and supply cylinders : en
  • USD103567S - Radio receiver : en
  • FR810296A - Process and apparatus for the decomposition of ammonium chloride into hydrochloric acid and ammonia : en fr
  • DE642757C - Circulating steam heating system for ovens : de en
  • DE642568C - Device for testing and separating perforated hollow bodies : de en
  • US2073664A - Regeneration of photographic developer solutions : en
  • US2073720A - Grave tomb : en
  • GB462883A - Testing arrangements for electron discharge devices and methods of operating same : en
  • GB462985A - Improvements in oscillographs : en
  • FR47320E - Process for preparing dyes and process for sensitizing photographic silver halide emulsions with these dyes : en fr
  • FR810333A - Industrial process for the production and preservation of natural grape juice : en fr
  • USD103640S - Design fob a textile fabric : en
  • USRE20299E - Brake mechanism : en
  • FR810325A - Vertical spiral antenna for telegraphy, cordless telephony or television : en fr
  • FR810305A - Apparatus for the pasteurization of liquids and similar treatments : en fr
  • FR810321A - Aquarium : en fr
  • DE618193C - Shoeing : de en
  • FR47345E - Manufacturing process of titanium acid and titanium pigments : en fr
  • USD103570S - Design for a pencil : en
  • GB462810A - Quick release for gearing for lantern lights and fire curtains, shutters and doors : en
  • GB463006A - Improvements in or relating to devices for coupling tuned circuits in radio-receivers and the like : en
  • DE642840C - Soil cultivation machine with digging drum running over the ground : de en
  • DE642944C - Electron tubes with negative internal resistance : de en
  • DK52826C - Control device for combustion engines. : da en
  • FR810388A - Assembly process of ceramic bodies and metals : en fr
  • US2073998A - Camera carriage : en
  • GB463019A - Improvements in or relating to rangefinders and like instruments : en
  • FR810184A - Camera for taking motion pictures : en fr
  • GB462882A - Apparatus for the generation of electrical relaxation oscillations : en
  • US2073897A - Panel fastener : en
  • FR47334E - Advanced articulation : en fr
  • US2073880A - Interference eliminating device : en
  • US2073771A - Refrigeration apparatus : en
  • US2074223A - Blood transfusion apparatus : en
  • US2073735A - Building unit and structure formed therefrom : en
  • DE642984C - Adjustment device on autocollimator telescopes for observing the mirror deflection of measuring mechanisms : de en
  • GB462700A - Improvements in or relating to collapsible tubes or like container closures : en
  • DE642752C - Device for the separation and simultaneous cooling of dusty substances : de en
  • FR810384A - Distributors : en fr
  • GB462691A - Improvements in or relating to blasting devices : en
  • GB462787A - Improvements in pipe connections for low pressure or vacuum pipes : en
  • US2073637A - Motion picture system utilizing continuously moving film : en
  • US2074195A - Pressure relief valve : en
  • USPP238P - moore : en
  • DK52821C - Apparatus for Purification and Humidification of Air. : da en
  • US2074312A - Heat treating apparatus : en
  • CA364794A - Protective photographic layer : en fr
  • CH189686A - Device for labeling records. : de en
  • CH189726A - Thermal power plant in which a gaseous working medium, preferably air, continuously describes a closed circuit under excess pressure. : de en
  • CH189780A - Automatic disengagement and engagement device for clutches, in particular for motor vehicles. : de en
  • CA364735A - Electric lamp inner lead : en fr
  • US2073698A - Vending machine : en
  • US2073717A - Steering gear : en
  • DE642760C - Device for setting and readjusting the axial bearing play of roller bearings : de en
  • USD103656S - Design fob a dress : en
  • US2073866A - Piston : en
  • CH189713A - Device for ensuring the lubrication of rotary lobe compressors, in which the separation of the lubricant from the conveyed medium takes place in a separator that is connected to the points of the compressor to be lubricated. : de en
  • GB462992A - Improvements in and relating to electric switchgear structures : en
  • FR810389A - Liquid for permanent waving : en fr
  • US2073721A - Automobile storage device : en
  • FR810136A - Process for the production of pentaerythritol tetranitrate in the granular state : en fr
  • GB462817A - Improvements in and relating to grease bands for protecting trees : en
  • GB462853A - Improvements in and relating to knitted or like ball covers : en
  • GB462959A - Improvements in or relating to freezing trays : en
  • USD103586S - Design fob a shoe ob similar : en
  • CA364867A - Wall plug : en fr
  • FR810193A - fuel saver for stoves and cookers : en fr
  • US2073691A - Apparatus for detection of strain in diffusive glass : en
  • US2073678A - Cutting tool : en
  • USD103661S - Design for a flower-embroidered : en
  • GB462770A - Improvement in lathe : en
  • DE642887C - Process for the operation of absorption refrigeration apparatus : de en
  • DE642965C - Device for setting and deleting the column stops on typewriters individually : de en
  • US2073764A - Safety paper and method of making the same : en
  • US2074029A - Method and means for preparing foods and the like which require roasting : en
  • USD103632S - Design for a textile fabric or : en
  • FR810262A - Hydromechanical gear change : en fr
  • FR810192A - Improvements to fixing devices for doors or others : en fr
  • GB462707A - A grinding spindle drive for universal grinding machines : en
  • GB462780A - Improvements in photographic type composing apparatus : en
  • GB462874A - Improvements in band-pass filters : en
  • GB463052A - Improvements in wireless direction-finding systems : en
  • US2073804A - Radio tube : en
  • US2074252A - Glass annealing lehr : en
  • US2074100A - Photograph and film washing machine : en
  • DE642821C - Upper, retractable guide for sliding doors : de en
  • GB462701A - Interleaved indicator or member for books and the like : en
  • US2073993A - Darning appliance : en
  • US2073851A - Hub cap lock : en
  • CH189730A - Refrigeration installation. : en fr
  • CA364729A - Fur treating composition : en fr
  • CH189599A - Steam boiler with electrode heating and automatic control of the heat supply. : de en
  • FR810175A - Lubrication for all rotating elements mounted on a fixed axis and mainly for the castors of electric tram trolleys : en fr
  • US2073879A - Agricultural implement : en
  • CA364721A - Mechanical hammer : en fr
  • US2073841A - Extreme pressure lubricating compositions : en
  • CH189739A - Electric rotary switch with eccentric lock. : de en
  • NL40240C - : en
  • US2074203A - Pump : en
  • US2073770A - Discharge control for paving machines : en
  • AU100474B2 - Apparatus for the electrical separation of mixed particles of different materials : en
  • CH189615A - Cooking vessel with a loose lid. : de en
  • CH189605A - Window blackout device. : de en
  • CA364864A - Rail support and fastener : en fr
  • CH189775A - Packaging comprising a sachet. : de en
  • ES143385A1 - Improvements in electric lamps and the like. : en es
  • CA364742A - Bromine recovery from sea water : en fr
  • US2073673A - Masonry wall : en
  • US2073853A - Cellulose esters and production of : en
  • CH189716A - Double-acting two-stroke internal combustion engine. : de en
  • GB462944A - Improvements in spindle driving arrangements for spinning, twisting, winding and similar machines : en
  • CA364709A - Process and apparatus for producing colloidal mixtures : en fr
  • CA364784A - Centrifugal separator : en fr
  • CA364804A - Coloured roofing granule manufacture : en fr
  • CH189766A - On a wall or the like movably to be attached holder for clamping books, z. B. from telephone books. : de en
  • US2073923A - Art of stabilizing soap : en
  • GB462929A - Television transmission : en
  • GB462981A - Improvements relating to the production of liquid air and the production of oxygen therefrom : en
  • NL40214C - : en
  • US2074168A - Engine temperature control device : en
  • USD103615S - Design fob a textile fabric ob : en
  • US2074022A - Apparatus for spinning rayon and the like : en
  • DE642972C - Process for printing films made from cellulose acetate or cellulose hydrate : de en
  • IE14348L - Refractory bodies and materials : en
  • FR810208A - Process for the preparation of hydroformed naphtha derivatives and products obtained therefrom : en fr
  • CH189664A - Camera for photographic and cinematographic recordings with photoelectric light meter. : de en
  • CA364839A - Conduit for electric wiring : en fr
  • CH189595A - Insulating piece for electric heating plate. : en fr
  • CH189709A - Three-way cock. : de en
  • US2074041A - Filling machine : en
  • US2073641A - Lubricating oils : en
  • CA364732A - Incandescent lamp : en fr
  • AU100482B2 - An improved carburettor : en
  • AU41036A - Improvements in and relating to protective devices for electrical apparatus : en
  • CH189640A - Electrolytic cell. : de en
  • FR810159A - Reversal mechanism : en fr
  • GB462729A - Improvements in current control arrangements for electric spot-welding machines : en
  • DE642883C - Device for the production of fluorine by electrolysis of fluorides : de en
  • US2074019A - Studio couch : en
  • DE642918C - A material used for caulking, sealing, wrapping, cladding or the like : de en
  • FR810080A - Acetylene lamp : en fr
  • FR810261A - Improvement in liquid spraying stations : en fr
  • US2073689A - Concealed hinge : en
  • FR810392A - Carbazol derivatives and their production process : en fr
  • FR810259A - Methods and devices for making talking or sound dolls and toys : en fr
  • DK52820C - Pipe burner for gas stoves. : da en
  • GB463041A - Improvements in or relating to shoe-bottom levelling machines or the like : en
  • FR810235A - Process for the treatment of the surface of roads, paths, floors and parquet floors, and the like : en fr
  • GB462731A - Swinging arm-chair : en
  • GB463126A - Improvements in cam drives for kinematograph apparatus : en
  • USD103599S - Design for a bowl : en
  • DE642864C - Double-walled pile cutter : de en
  • GB463021A - Method and apparatus for the exhibition of cinematographic pictures, series of still pictures, or for the transmission of optical signals : en
  • US2073942A - Apparatus for making multiplex fasteners or nails : en
  • US2073706A - Standing lap seam roofing : en
  • US2073924A - Method of making a wheel : en
  • US2074257A - Vibrating tool metalworking machine : en
  • CH189584A - Hot water boiler for central heating. : de en
  • FR810246A - Process for preparing reducto-dehydrocholic acid : en fr
  • FR810294A - Aseptic drain : en fr
  • FR810309A - Advanced sealing device : en fr
  • FR810183A - Machine for the treatment of skins, leathers and similar materials : en fr
  • FR810348A - Improvements to clutch mechanisms : en fr
  • GB462751A - Improvements in or relating to devices for sharpening safety razor blades : en
  • CA364773A - Electric arc converter : en fr
  • DE1401378U - : de en
  • ES143071A1 - An automatic system device perfected for the start-up of motor torpedo machines at a certain depth of immersion. : en es
  • GB462908A - Improved process and apparatus for purifying liquids : en
  • CA364843A - Mixing device : en fr
  • CH189662A - Device for perforating freshly printed paper. : de en
  • CH189690A - Multi-day movement for calendar watches. : de en
  • FR47303E - Gasifier for gasifiers and in particular for charcoal gasifier : en fr
  • US2073756A - Timing mechanism : en
  • DE642978C - Device for cleaning and storing dentures : de en
  • US2073743A - Time switch : en
  • DK52829C - Machine for Processing Margarine and other Crystallized Fats made from an Emulsion. : da en
  • FR810092A - Packing material for moisture sensitive goods : en fr
  • GB462863A - Improved automatic stop-mechanism for colliery tubs and like vehicles : en
  • US2073878A - Motor vehicle : en
  • US2073803A - Governor for motion picture cameras : en
  • US2074035A - Separable fastener : en
  • US2074141A - Multiple fuse control mechanism in combination with thermoprotective signal system : en
  • FR47341E - Improvements to electric discharge tube installations : en fr
  • GB462785A - Improvements relating to rollers for belt conveyors : en
  • DE642786C - Process and glass blowing machine for the manufacture of hollow glass bodies : de en
  • DE642859C - Bowl for souring milk : de en
  • CA364893A - Freight loading and unloading winch : en fr
  • DE642792C - Apparatus for producing large crystals from melts of halogen salts and other salts, such as. B. Sodium Nitrate : de en
  • GB462886A - Improvements in and relating to apparatus for heating liquids in circulation : en
  • DE1401379U - : de en
  • DE642804C - Arrangement for the direct conversion of alternating current of one frequency into another frequency : de en
  • DE642828C - Ram with internal combustion engine operation : de en
  • FR810217A - Apparatus for carrying out cross-filing or counting of cards, sheets or envelopes, particularly in address printing machines : en fr
  • FR810300A - Improvement in amplifier relays intended in particular for bilateral telephone links : en fr
  • FR810381A - Deadbolt lock established as a combination lock : en fr
  • GB462878A - A device for automatically controlling the filling of reservoirs, tanks and the like : en
  • FR47308E - Bleach machine for fodder and other materials : en fr
  • FR810275A - Device for automatic adjustment of the tension of the transmission belts under load, in particular for electric motors and generators : en fr
  • FR810400A - Improvements in the mounting of machine guns, machine gun sights and bomb launchers on aircraft : en fr
  • US2074012A - Garment : en
  • US2074194A - Timpano adjuster : en
  • CH189789A - Blanket. : de en
  • DK52834C - Device for rotating machines for closing bottles, glasses and tin cans. : da en
  • GB463043A - Process for increasing the reactivity of naturally or artificially shaped articles or materials consisting of or containing protain substances : en
  • FR810204A - Improvements to curtain trolleys : en fr
  • GB462954A - Improvements in or relating to suction cleaners : en
  • GB462736A - Folding tables or like articles of furniture : en
  • GB462898A - Improvements in or relating to governing means for fuel injection pumps of internal combustion engines : en
  • US2074149A - Propeller tip centrifugal pitch control : en
  • US2074158A - Vehicle construction : en
  • DE642989C - Protective device for absorbing and compensating for pressure fluctuations : de en
  • FR810076A - New brush and brush trim system : en fr
  • FR810224A - Process for the production of rare gases, and in particular argon : en fr
  • FR810247A - Apparatus for steaming fruits and the like : en fr
  • US2073858A - Adjustable lip for lint ducts : en
  • DE642953C - Hydraulically or pneumatically controlled single or multi-disc clutch or brake : de en
  • USD103646S - Design fob a game device : en
  • CH189698A - Process for profiling sheet metal strips. : de en
  • AU100451B2 - Improvements in and relating tothe manufacture of articles of glass in combination with plastic materials : en
  • DK52810C - Washing machine. : da en
  • CH189748A - Device intended to prevent a bedridden person from coming into contact with the blankets. : en fr
  • GB462879A - Tooth cleaning outfit : en
  • US2074256A - Refrigerating cabinet : en
  • DE642938C - Process for the production of light, light-resistant and elastic base layers and / or coatings for oilcloths : de en
  • DK52814C - Receiver coupling with delayed volume control. : da en
  • GB462962A - An improved method and means for forming sheets or fabrics from kapok or other staple fibres : en
  • FR810079A - Shuttle for cocoon cans : en fr
  • GB463110A - Process of reproducing sound records or talking motion pictures : en
  • DE642954C - Gear change gearbox : de en
  • GB463027A - Improvements in or relating to calculating machines : en
  • GB463012A - An hydraulic press : en
  • AU100463B2 - Improvements relating to mounting brackets and installations thereof : en
  • CA364892A - Coin detector : en fr
  • CH189697A - Tool for the production of corrugated pipes. : de en
  • AU100477B2 - Improved apparatus forthe replenishment of containers for hydrocarbon liquids : en
  • AU100462B2 - Improvements in plugs for insertion in wall or other cavities for fixing or support of objects : en
  • FR47314E - Improvement in explosion or combustion engines : en fr
  • FR810068A - Meat cutting machine : en fr
  • FR810099A - Nut tapping machine : en fr
  • FR810062A - Combiner for control of electrical circuits : en fr
  • USD103649S - Design for an illuminated coin : en
  • US2074282A - Piston : en
  • US2073852A - Drive connecting link : en
  • AU100475B2 - Sound recording apparatus : en
  • US2073723A - Stuffed animal toy : en
  • US2073926A - Electromagnetic brake : en
  • CA364880A - Road-grading machine : en fr
  • CH189771A - Overlay Receiver. : de en
  • CH189660A - Block card index. : de en
  • CA364767A - Police whistle : en fr
  • CH189647A - Process for the preparation of a new anthraquinone dye. : de en
  • US2073697A - Blank measuring and sorting machine : en
  • US2073832A - Blade inspection method and apparatus : en
  • US2074263A - Signal device : en
  • US2073885A - Electric discharge tube : en
  • US2073643A - Ultrashort wave modulated carrier wave radio communication system : en
  • CH189629A - Handle on closure parts of temporarily heated objects, in particular on lids of washing kettles. : de en
  • CH189720A - Carburetors for internal combustion engines. : de en
  • DE642636C - Mobile gun : de en
  • CA364725A - Vehicle electrical transmission : en fr
  • US2073675A - Casting machine for the casting of plane stereotype plates : en
  • AU100470B2 - An improved concrete block machine with sliding mould : en
  • CH189609A - Adjusting device for headrests on furniture. : de en
  • USD103655S - Design for a dress ensemble : en
  • US2074039A - Nonleaking lubricant : en
  • AU100481B2 - Improvements in childrens nursery appliances andthe like : en
  • CH189579A - Cart for public health services. : en fr
  • CH189806A - Device for dry air freezing. : de en
  • AU100449B2 - Improvements in or relating to motorcycle sidecars : en
  • US2074054A - Holder for spinning rings : en
  • US2073728A - Process for the manufacture of chromatable azo dyestuffs of the pyrazolone series : en
  • US2074210A - Method of preparing metallic sulphates from sulphide ores and the like : en
  • US2074313A - Interwound film material : en
  • CA364789A - Centrifugal separator : en fr
  • US2073854A - Process of treating fruits and vegetables : en
  • US2074096A - Thread tension regulating apparatus : en
  • CH189693A - Self-lubricating body and process for its manufacture from a mixture of metal powder and graphite powder. : de en
  • DE642829C - Process for the production of condensed sulfonic acids with a higher molecular weight : de en
  • US2073730A - Tarnish and waterproof fabric : en
  • US2074262A - Supervised electric alarm system : en
  • AU56337A - Scanning and synchronizing system : en
  • CA364714A - Cellulosic filament, yarn or ribbon processing : en fr
  • US2073700A - Device for using solid refrigerant to effect rapid cooling of small enclosed spaces : en
  • US2073793A - Car trimmer : en
  • US2073987A - Tractor attachment for harvesters : en
  • US2074291A - Vacuum chimney top : en
  • US2074066A - Motor operated indicator dial : en
  • US2073837A - Article cleaning and sorting machine : en
  • FR810200A - Gas manufacturing process and apparatus : en fr
  • GB463018A - Improvements in or relating to rolling mills for rolling strips, sheet and rod material tapered in the longitudinal direction : en
  • DE642937C - Gas lamp system for street lighting with additional air protection flames : de en
  • FR810063A - Blow-off switch with synchronously controlled moving electrode : en fr
  • GB462876A - Improvements in or relating to electric systems for remote positioning in accordance with the value of a variable : en
  • CH189651A - Process for the preparation of a polymethine dye. : de en
  • CH189593A - Bundle for lighting fuel. : de en
  • FR810390A - Cash register or accounting machine : en fr
  • US2074305A - Process for the preparation of : en
  • US2074285A - Manufacture of flexible bands, threads, foils, and tubes of artificial substances : en
  • FR810308A - Improvements to combine harvester mechanisms : en fr
  • DE642779C - Abwälzreglungsverschaltung for pressure pipelines, especially for bottom drains of dams : de en
  • DE642867C - Cover for files, notebooks, loose-leaf binders, etc. with foldable file flag : de en
  • FR810251A - Improvements to fast-rotating devices and in particular to centrifugal dryers, etc. : en fr
  • GB463014A - Compositions from coal tar and higher fatty acid chlorides and process of making same : en
  • FR47324E - Ski attachment system : en fr
  • FR810345A - Method and device for translating bottles, flasks and glass objects to an annealing apparatus : en fr
  • DE642818C - Hitching device for towing vehicles : de en
  • FR810064A - Artificial resin product and process for its manufacture : en fr
  • DE642921C - Mill with two grating bars : de en
  • GR6374B - METHOD OF MANUFACTURING WATERPROOF FABRICS. : el en
  • DE642819C - Lifebuoy inflatable with air : de en
  • FR810255A - Manufacturing process of waterproof and breathable fabrics : en fr
  • US2074284A - Rim, wheel, and tire : en
  • USD103580S - Design for a display back : en
  • USD103593S - Design fob a shoe or similar : en
  • USD103628S - Design for a boiler jacket : en
  • FR810369A - Assembly pin with longitudinal ribs : en fr
  • FR810285A - Stretcher refinements : en fr
  • GB462743A - Improvements in or relating to tobacco pipes : en
  • CA364755A - Freight handling apparatus : en fr
  • FR810254A - Improvements in the manufacture of magnesium : en fr
  • FR47333E - Vibro-oscillating box devices : en fr
  • FR810065A - Pulse generator : en fr
  • FR810276A - Improvements in radio goniometers : en fr
  • DK52833C - Press tool for encapsulation machines. : da en
  • DE642736C - Main valve with shaft pipe and internal parts that can be removed from above : de en
  • DE642845C - Device for dewatering mixtures of solids and liquids : de en
  • US2073649A - Carburetor : en
  • US2073846A - Wedge shaped power transmitting member : en
  • US2073948A - Electrical telemetry : en
  • DE642806C - Process for obtaining difficult to condense hydrocarbons : de en
  • FR47321E - Improvements to automatic igniters for grenades : en fr
  • US2073976A - Device for the mounting of engines : en
  • US2073914A - Sample sacker : en
  • US2073760A - Synchronous machine : en
  • DE642814C - Rope turnbuckle : de en
  • CH189745A - Hurricane lantern. : de en
  • FR810187A - Tobacco treatment process : en fr
  • GB462734A - Improvements in or relating to the production of non-splintering laminated glass : en
  • GB463003A - Improvements in or relating to systems of control for electrically operated lifts : en
  • CA364730A - Suction sweeper : en fr
  • CA364828A - Tile decorating apparatus : en fr
  • FR810238A - Improvements to swim caps and the like : en fr
  • FR810394A - Book closing : en fr
  • GB462687A - Improvements relating to starting mechanisms for internal combustion engines : en
  • FR810109A - Waterproofing substance and method of manufacturing said substance : en fr
  • GB462956A - Improvements relating to reeds and combs for textile purposes : en
  • GB463312A - Improvements relating to sawing machines and like metal or other cutting machine tools : en
  • FR810338A - Manufacturing process for stockings, socks, etc. : en fr
  • FR810169A - Pump for fluid transmission systems : en fr
  • FR810284A - Process for introducing substances such as resin into the mass of articles made of plaster or the like : en fr
  • DE642637C - Device for guns : de en
  • DE642960C - Cartridge stopper : de en
  • FR47302E - Regulator : en fr
  • FR47317E - Improvements in obtaining typographic bars : en fr
  • GB463000A - Improvements in or relating to eye glasses, lorgnettes, monocles, spectacles and like sight-correcting or improving devices : en
  • FR810322A - Process for the production of cellulose esters : en fr
  • ES143416A1 - Improvements in the apparatus for polishing flat moving crystals. : en es
  • DE642783C - Device for spraying asphalt emulsions under pressure, especially in road construction : de en
  • GB462941A - Improvements relating to the process of sewage sludge digestion and apparatus therefor : en
  • DK52815C - Swivel coupling for electrical wires. : da en
  • GB462979A - Improvements in or relating to slide stop valves : en
  • US2073625A - Venereal prophylactic : en
  • US2074190A - Incubator : en
  • FR47335E - Diffusing glass for vehicle headlights : en fr
  • FR810397A - Process for the manufacture of elastic fabrics on embroidery looms : en fr
  • US2074026A - Calculating machine : en
  • GB462891A - Improvement in apparatus for heating and deaerating water, particularly boiler feed water : en
  • FR810233A - Improvements to lamp-making machines : en fr
  • FR47326E - Device for limiting pressure, volume, etc. in a pipe or any device : en fr
  • DE620713C - horseshoe : de en
  • FR810288A - Electric lighting device with reversible branches : en fr
  • US2074162A - Flour sifter : en
  • US2073904A - Turnstile : en
  • GB462839A - Improvements in or relating to bed-rests : en
  • FR810189A - Railroad bogie : en fr
  • USD103614S - Design tor a scarf : en
  • FR810113A - Curved pleated objects and their manufacturing process : en fr
  • GB462868A - Improvements in and relating to folding and sliding doors : en
  • US2073920A - Knife structure for trimming mechanism : en
  • DE642769C - Recording device : de en
  • DE642977C - Device for the production of electrical tubular heating elements by introducing grainy insulating material into a jacket tube : de en
  • FR810141A - Address printing machine with electromagnetic selector device for printing plates : en fr
  • FR810365A - Mosquito trap : en fr
  • FR810213A - Device for producing lighting effects, in particular for radio receiving apparatus : en fr
  • GB462781A - Improvements in ceramic compositions : en
  • DK52808C - Preparation intended to make egg white substances of different Origin loose and porous or suitable for swelling. : da en
  • GB462752A - Improvements in or relating to time-controlled driving mechanism : en
  • CH189705A - Ashtray with lockable ash container. : de en
  • CH189727A - Thermal power plant in which a gaseous working medium, preferably air, continuously describes a closed circuit under excess pressure. : de en
  • GB462855A - Improvements in and relating to sliding-sash and casement windows : en
  • GB462924A - Improvements in or relating to methods of printing : en
  • FR810287A - Manufacturing process of insulating parts or objects : en fr
  • GB462936A - Apparatus for guiding and supporting long metal bands : en
  • DE642861C - Welded connections, especially for vehicle frames : de en
  • GB462904A - Improvements in spars for the wings of aircraft : en
  • GB462915A - Flushing apparatus for water closets or the like : en
  • US2074232A - Process and apparatus for drying artificial silk : en
  • US2073875A - Panel catch : en
  • FR810053A - Traction amplifier for bicycles, motorcycles, all vehicles and boats : en fr
  • US2074240A - Diaphragm valve : en
  • US2073642A - Ultrashort wave modulated carrier wave radio communication system : en
  • US2073661A - Motor vehicle : en
  • US2074251A - Arrangement for the automatic steering of motor vehicles : en
  • FR810164A - Bed frame : en fr
  • FR810194A - Process for reactivating spent clay : en fr
  • FR810132A - Aircraft piloting device : en fr
  • GB462748A - Improvements in or relating to the manufacture of mouthpiece cigarettes : en
  • FR810274A - Process for improving fuels and resulting products : en fr
  • CH189626A - Weft bobbin replacement device for multi-color automatic looms with a fixed bobbin magazine. : de en
  • DE642955C - Method of treating food, e.g. B. to Poekeln : de en
  • FR47336E - Liquid filter : en fr
  • FR810054A - Airplane with steerable propellers and vertical flight : en fr
  • GB462918A - Improvements in sound excluding ventilating windows : en
  • FR810214A - Convertible bath bag in adjustable sunshade canvas : en fr
  • FR810312A - Advanced drain for sinks, bidets, bathtubs : en fr
  • CH189574A - Translucent, heat-insulating body, in particular for building and packaging purposes. : de en
  • CA364731A - Composite bag : en fr
  • US2073895A - Method of treating rubber rolls : en
  • CH189743A - Light beam converter. : de en
  • US2073975A - Sign : en
  • CA364745A - Condensation product : en fr
  • DE642612C - Auxiliary apparatus for sewing machines for making carpets : de en
  • GB462688A - Improvements in or relating to electric lamps, vacuum discharge devices and the like : en
  • US2074253A - Ultrashort wave tube : en
  • US2073666A - Method of hardening proteins : en
  • US2073974A - Wringer : en
  • US2074216A - Typographical font : en
  • US2074106A - Metallographic illuminating system and prism therefor : en
  • US2074119A - Garment : en
  • US2074181A - Benzanthrone derivatives : en
  • US2073665A - Wallboard : en
  • US2073857A - process for the sizing of rayon spin- : en
  • DE642979C - Rotatable and mobile chair for people who work while standing : de en
  • US2073962A - Cigarette case : en
  • US2074275A - Nonrefillable attachment : en
  • FR810090A - Process for the manufacture of sulfonated or nonsulfonated aromatic sulfones and for their use in the preparation of tanning agents : en fr
  • GB462829A - Improvements in or relating to the manufacture of plaster board and the like : en
  • GB463025A - Improvements in or relating to differential material feeders for sewing machines of the supporting arm type : en
  • CH189707A - Process for the manufacture of pipe fittings. : de en
  • NL40357C - : en
  • US2073972A - Venetian blind : en
  • DE642823C - Control device for the sole seal of a defensive body which can be lowered under the stowage position : de en
  • DE642780C - Device for lengthening the shaft pipe in compressed air foundation systems : de en
  • FR810139A - : fr
  • US2073715A - Gaseous electric discharge device : en
  • US2074074A - Cooling and dispensing apparatus : en
  • US2074206A - Hydraulic pump or motor : en
  • US2074270A - Hair drying helmet : en
  • DE1401367U - : de en
  • ES143183A1 - An improved process for refining lead. : en es
  • GB462798A - Improvements in or relating to plant supporting devices : en
  • DE642711C - Film reel : de en
  • US2073605A - Construction of internal combustion turbines : en
  • DE642717C - Process for the preparation of 1, 5, 9-anthracentricarboxylic acid or its anhydride : de en
  • FR810135A - Regulating device for maintaining a constant speed factor in industrial and other installations : en fr
  • US2073792A - Feed mechanism : en
  • US2073833A - Air conditioner : en
  • US2073651A - Convertible heating and cooling system : en
  • US2073893A - Apparatus for stamping and punching sheet metal and the like : en
  • US2073731A - Pie or like filling or depositing apparatus : en
  • USD103610S - Design for a dress : en
  • US2073907A - Method of preparing bituminous concrete paving material : en
  • US2074085A - Magnetic separator : en
  • US2074209A - Dust cloth broom holder : en
  • CA364862A - Floating station : en fr
  • USD103633S - Design fob a scale : en
  • DE642946C - Process for the production of shaped cellulosic structures from copper oxide ammonia cellulose solutions : de en
  • FR810272A - Portable electric lamp : en fr
  • FR810355A - Method and apparatus for examining fluids which may contain foreign bodies : en fr
  • GB462949A - Process for the manufacture of an organic mercury compound : en
  • FR810170A - Method and apparatus for successively examining several planes of an object : en fr
  • FR810337A - Method and device for supplying injection pumps, for compression ignition engines : en fr
  • GB462973A - Improvements in an electric organ : en
  • US2074105A - File and record system : en
  • US2074279A - Dial indicator : en
  • DE642738C - Footwear sewing machine with thread tensioning wheel : de en
  • USD103566S - Design for a combined stop and tail : en
  • FR810316A - Printing process on cinematographic films and photographs : en fr
  • GB462934A - Improvements in or relating to purifying masses for use in the purification of gases : en
  • GB462983A - Improvements in electromagnetic vibratory devices : en
  • FR47319E - Improvements to the mechanism for debiting the product from the printing machines in counted packs : en fr
  • GB462790A - Improvements in and relating to electric circuit breakers : en
  • DE642888C - Device on capacitors which are connected to AC networks to improve the power factor : de en
  • US2074036A - Separable fastener : en
  • GB463313A - Oil coolers for liquid cooled aircraft engines : en
  • AU81136A - Improvements in or relating tothe refining of liquids : en
  • GB462799A - Improvements in or relating to valves for pneumatic tyres and the like : en
  • GB462972A - Improvements in or relating to the production of solutions of glucosides and alkaloids which are insoluble or only sparingly soluble in water : en
  • US2074172A - Ship's signaling system : en
  • US2073736A - Resilient mounting for bicycle wheels : en
  • US2074260A - Safety gauge for batteries : en
  • US2073726A - Mop : en
  • US2073928A - Reel for coiling wire : en
  • US2074142A - Recording instrument : en
  • FR810115A - Road and pavement coating process : en fr
  • CH189750A - Method of making a durable solution of a 3rd grade silver compound 6-diamino-10-methylacridinium lactate. : de en
  • CA364720A - Decalcomania paper : en fr
  • US2073925A - Portable agitator : en
  • US2073992A - Agricultural implement : en
  • US2074226A - Method of and apparatus for rendering objects visible in infrared rays : en
  • CH189704A - Fastening device for pull fuse packs. : de en
  • CA364878A - Low carbon steel : en fr
  • US2073768A - Grease retainer with reenforced diaphragm : en
  • US2073934A - Art of cracking : en
  • US2073600A - Heterocyclic hydrazines : en
  • US2073969A - Flasher : en
  • US2074046A - Jewel mounting flexible bracelet : en
  • USD103577S - Design for a smoking pipe : en
  • USD103641S - Design fob a textile fabric : en
  • FR47322E - Lighting fixture : en fr
  • GB462812A - Evaporation meter : en
  • DE642785C - Process for electrical spot welding using a glow cathode tube with a controlled grid : de en
  • CA364855A - Material breaking apparatus : en fr
  • USD103635S - Design for a textile fabric : en
  • US2073608A - Manifold for internal combustion engines : en
  • US2073744A - Refrigeration : en
  • USD103583S - Design for a shoe ornament : en
  • US2073630A - Liquid waterproofing composition of matter and method of manufacture : en
  • US2074229A - Collapsible container : en
  • DE642801C - Antenna tower with protection device for isolation against water running off the tower : de en
  • DE642784C - Protective device for direct current consumers that are fed via rectifiers and do not generate a back EMF : de en
  • US2073802A - Art of oil painting restoration : en
  • FR810107A - Further training in cinematographic cameras and projection equipment : en fr
  • CH189792A - Process for the production of dry preparations from aqueous luxury foods which are used to prepare beverages. : de en
  • US2074212A - Can holder : en
  • GB462759A - Improvements in or relating to remote control systems : en
  • GB462938A - Improvements in and relating to table and floor lamps : en
  • US2073996A - Branch-chain alkyl derivatives of beta-naphthol : en
  • CA364793A - Relief manufacture : en fr
  • CA364832A - Piston skirt expander : en fr
  • CH189729A - Flue gas heat exchange device for preheating and evaporation of water and for steam superheating. : de en
  • CA364748A - Fire alarm system : en fr
  • US2073997A - Alkyl alpha-naphthols : en
  • US2074008A - Check for doors and the like : en
  • US2074145A - Electric circuit control means : en
  • FR810219A - Electrically heated hot plates : en fr
  • US2073684A - Method of making barrels : en
  • CH189594A - Electric heating plate. : en fr
  • CH189810A - Process for the production of a polynuclear ring ketone. : de en
  • US2073859A - Pipe holder : en
  • US2074287A - Clamp buckle : en
  • DE642667C - Fall arrest and braking devices on motor vehicles : de en
  • DE642908C - Device for the automatic control of heating and cooling systems : de en
  • FR810131A - Method and apparatus for cold rolling of metal strips : en fr
  • FR810346A - Carburetor for internal combustion engines : en fr
  • FR810057A - Frequency reduction by means of current distribution : en fr
  • DE642837C - Device for recording a weight : de en
  • FR810368A - Rotating toothbrush : en fr
  • GB462740A - Improvements in and relating to shoes : en
  • FR810121A - Security and alarm lock : en fr
  • FR810326A - Advanced process for high speed twisting of textile materials : en fr
  • US2074242A - Tool for stripping ends from containers : en
  • CA364890A - Covering element : en fr
  • US2074298A - Tourist's map holder : en
  • USRE20293E - Oscnxator system : en
  • CH189736A - Step switch with automatic process. : de en
  • CA364873A - Fire alarm : en fr
  • CH189805A - Electrically controlled safety device for shutting off the fuel supply to internal combustion engines. : de en
  • CA364841A - Car loading device : en fr
  • CA364837A - Fastening-distributing device : en fr
  • AU82936A - Improvements in and relating tothe manufacture of articles of glass in combination with plastic materials : en
  • CH189620A - Container for holding beverages with an outlet valve. : de en
  • US2073886A - Lubricating oil scavenging pump : en
  • USD103582S - Design for pressure regulating : en
  • GB462895A - Improved apparatus for arc welding : en
  • GB463010A - An improved apparatus for measuring the force of a continuous or prolonged thrust such as that due to the explosion of a rocket : en
  • US2074129A - Synchronizing control system : en
  • CH189763A - Impulse generator with cam drum. : de en
  • CH189803A - Device for monitoring processes that take place with varying intensity over time. : de en
  • CH189582A - Process for the production of structures from stone and sand mixtures combined with binding agents. : de en
  • DK52812C - Selector for Telephone system. : da en
  • US2073628A - Address plate : en
  • US2074160A - Carton : en
  • CA364869A - Tire tread : en fr
  • US2073932A - Surgical table : en
  • US2073749A - Combination spare tire well and cover : en
  • US2074095A - Combined pattern controlled machine tool : en
  • US2073616A - Galactan product and process of making same : en
  • US2074219A - Gas mask : en
  • US2074289A - Power-driven vehicle : en
  • GB462708A - Cylinder liner and cylinder for piston engines : en
  • CH190358A - Fixing device for flat elements. : en fr
  • USD103624S - Design for a seat : en
  • USD103572S - Design fob a radio cabinet : en
  • CA364760A - Tobacco blending and conditioning apparatus : en fr
  • US2073618A - Paring knife : en
  • US2074201A - Airfoil used in aeronautics : en
  • AU208736A - Improvements in closure caps and method and apparatus for making same : en
  • US2073629A - Treatment of textile materials : en
  • US2074280A - Residence number sign : en
  • CH189732A - Flexible elastic stud with multiple contacts, forming a socket outlet, and method for its manufacture. : en fr
  • US2073688A - Aircraft flotation system : en
  • FR810094A - Polymerization process of fatty oils and resulting products : en fr
  • GB462764A - Improvements in or relating to photographic flashlight camera apparatus : en
  • US2073775A - Foot controller : en
  • FR47310E - High breaking capacity calibrated fuse cartridge for high current installations : en fr
  • FR810104A - Improvements to dyeing materials : en fr
  • GB462872A - Electric wave-signal-collecting systems : en
  • US2074117A - Exhibiting instrument : en
  • CH189700A - Process for the production of curved teeth. : de en
  • US2073899A - Plug for washbasins or the like : en
  • US2074000A - Wall construction for metallic buildings : en
  • FR810055A - Folding portable table for all applications and especially for picnics : en fr
  • FR810088A - Ski binding device : en fr
  • FR810114A - Method of constructing roulettes and all similar lottery games : en fr
  • GB462856A - A safety device for aeroplanes : en
  • GB462902A - Improvements in and connected with apparatus for moulding perforated bricks : en
  • DE642882C - Process for cooling lignite briquettes : de en
  • DE642931C - Drying agents : de en
  • FR810395A - Process for preparing nitrogenous condensation products : en fr
  • GB462943A - Improvements in and relating to mining apparatus : en
  • GB463111A - Improvements in or relating to frequency selective electric cables : en
  • CH189734A - Device for fixing an object to a panel. : en fr
  • US2074244A - Bolt actuating mechanism : en
  • US2074296A - Apparatus for making composite metals : en
  • USD103557S - Combined lamp and support : en
  • US2073692A - Control mechanism : en
  • US2073702A - Ticket holder : en
  • US2074182A - Bearing construction : en
  • CH189785A - Dust catcher on compressed air lines. : de en
  • DE642723C - Device for exploiting the phenomenon of sudden reversal of magnetization of certain magnetizable substances for switching or measuring purposes : de en
  • DE642904C - Pulverized coal burners : de en
  • AU6396665A - Production of lactones and keto acids : en
  • US2074130A - Process and apparatus for surfacing roofing : en
  • AU101368B2 - Improvements in or relating to packaging cheese : en
  • US2074286A - Air cushion arch builder : en
  • US2074118A - Recorder : en
  • DE642798C - Pull-out burner heater for heat-operated refrigerators : de en
  • FR810178A - Armchair with silent tilting seat and backrest : en fr
  • GB462865A - Improvements relating to door and like hinges : en
  • US2073690A - Apparatus for detecting strain in glass of a partially diffusing character : en
  • US2073711A - Garment : en
  • US2074278A - Ice cream cone : en
  • GB462825A - Improvements in means for mounting automatic telephone dials : en
  • US2074273A - Spring for shoe forms : en
  • USD103571S - Design for a serving refrigerator : en
  • CA364796A - Titanium oxide : en fr
  • FR810340A - Device for repeating indications of all kinds on board locomotives or other machines on railway tracks : en fr
  • CH189568A - Mobile machine for the delivery of grit. : de en
  • CA364849A - Lobster muzzle : en fr
  • CH189586A - Heatable room. : en fr
  • CH189756A - Process for the manufacture of an antiseptic product containing cresol in the pasty state and a product obtained by this process. : en fr
  • AU86436A - Apparatus for the electrical separation of mixed particles of different materials : en
  • CA364852A - Circuit interrupter : en fr
  • CA364870A - Wall cooling means : en fr
  • US2074021A - Method of making couplings : en
  • US2074169A - Fungicides : en
  • US2073705A - Clutch mechanism : en
  • US2073810A - Settling tank : en
  • US2073831A - Composition for conditioning rugs : en
  • US2073824A - Hose coupling : en
  • US2073821A - Manufacture of tire cords : en
  • USD103598S - Design for a clip : en
  • FR810056A - Gas vacuum blower : en fr
  • FR810207A - Device for withdrawing liquefied gases, particularly intended for gas-powered vehicles : en fr
  • GB462850A - Improvements in or relating to spool boxes for kinematograph apparatus : en
  • CH189600A - Hotplate support and adjustment device for electric cookers. : de en
  • US2073892A - Baking pan : en
  • US2074138A - Timing switch foe welding : en
  • US2073621A - Method of removal of excess halides from photographic developing baths : en
  • US2073884A - Cultivator attachment : en
  • US2074165A - Expansion engine : en
  • AU100442B2 - Improvements in and relating to cash registers : en
  • US2073732A - Water cooling attachment : en
  • CH189749A - Method for the preparation of 17-methyl-dihydrofollicle hormone. : de en
  • FR810352A - Recording device for statistical machines : en fr
  • US2074110A - Automatic starter for internal combustion engines : en
  • USD103574S - Design fob a permanent wave : en
  • US2073603A - Electric welding machine : en
  • AU101369B2 - Improvements in or relating to packaging cheese : en
  • US2074161A - Subsurface exploration : en
  • CH189602A - Holder for metal wool, especially steel wool. : de en
  • CH189665A - Wrapping device for endless films. : de en
  • AU84737A - Improved reflector assembly for cyclists and others : en
  • US2073967A - Bolt turning machine and the like : en
  • CA364765A - Sheet material splitting machine : en fr
  • US2074063A - Apparatus for producing hollow bricks closed on all sides : en
  • CH189618A - Clamping device for attaching a handle to brushes, scrubbers and similar pieces of equipment. : de en
  • CA364872A - Non-refillable bottle : en fr
  • CH189639A - Process for the production of emulsions. : de en
  • CH189644A - Process for the production of betaine from n-dodecylaminoacetic acid. : de en
  • DE642851C - Extrusion press for stones or other ceramic objects : de en
  • FR810143A - Circuit for controlling cathode ray tubes : en fr
  • FR810210A - Improvements to boxes or containers with lids : en fr
  • AU100441B2 - An improved glndless dispensing tap : en
  • FR810058A - Power line with isolation air space : en fr
  • FR810147A - Improved method and devices for launching torpedoes or the like : en fr
  • DE642866C - Laundry kettle : de en
  • AU100450B2 - Improvements in or relating to multiple-piston reciprocating pumps : en
  • AU45136A - Improvements in childrens nursery appliances andthe like : en
  • AU99537A - Improvements in or relating to packaging cheese : en
  • US2073722A - Expanding bung : en
  • USD103560S - Design fob a slipper ob similar : en
  • CH189712A - Method and device for operating a liquid piston machine by means of a prime mover. : de en
  • CH189753A - Method for dosing N-methyl-C, C-allylisopropylbarbiturate sodium. : de en
  • US2073779A - Spraying adhesive-coated material : en
  • US2073905A - Tractor guide : en
  • CH189634A - Shoe. : de en
  • CH189643A - Process for removing olefinic constituents from olefinic oils. : de en
  • CA364711A - Can lid seaming machine : en fr
  • CA364763A - Weighing scale : en fr
  • CH189685A - Device for recording acoustic vibrations. : de en
  • DE642773C - Door lock : de en
  • CH189575A - Roof construction. : de en
  • CH189598A - Cooker comprising a frame and a removable cover. : en fr
  • CH189637A - Apparatus for removing air from containers containing canned food. : en fr
  • US2074009A - Amusement device : en
  • US2074302A - Stoker mechanism : en
  • CA364744A - Vinyl ether : en fr
  • CA364830A - Material decorating apparatus : en fr
  • CA364715A - Frame-work arrangement : en fr
  • CH189692A - Very hard ferrous alloy. : en fr
  • GR6373B - AUTOMATIC CYLINDER BURNER MAKING MACHINE. : el en
  • US2073867A - Method of repairing and lengthening fingernails : en
  • US2073636A - Compartment can for packaging foods : en
  • US2073747A - Adjustable soundboard mounting : en
  • GB462816A - Improvements in reversible internal combustion engines : en
  • FR810291A - Level checking plug for accumulator tank and similar applications : en fr
  • FR810171A - Improvements made to amplifier lamps containing gas : en fr
  • US2073917A - Cutter positioning device for hobbing machines : en
  • US2073617A - Tractor hitch : en
  • US2073840A - Spinning bucket : en
  • FR810295A - Improvements in methods and means of orientation and information in urban areas : en fr
  • US2074188A - Insecticide and process for the manufacture thereof : en
  • AU67036A - An improved concrete block machine with sliding mould : en
  • CH189604A - Dishwasher. : de en
  • CH189627A - Selvage guide device for introducing a sheet of fabric into a machine. : en fr
  • CA364726A - Antigen or vaccine : en fr
  • FR810140A - Servo device applicable to lifting devices with luffing jib : en fr
  • FR810196A - Improvements to container closures : en fr
  • GB462775A - Improvements in or relating to pedestal stands : en
  • USD103559S - Design for a vending machine : en
  • FR810317A - Tubal improvements to clear the air : en fr
  • FR810052A - Remote control and remote signaling device : en fr
  • CH189744A - Method of operating electric furnaces. : de en
  • CH189808A - Process for the production of a polynuclear ring ketone. : de en
  • ES4961U - Zapata or cable terminal (Machine-translation by Google Translate, not legally binding) : en es
  • FR47332E - Improvements to self-propelled vehicles or the like for use on railways : en fr
  • DE642778C - Drying rack for veneers or the like. : de en
  • GB462702A - Piston ring expanders : en
  • FR47344E - Sofa bed : en fr
  • GB462762A - Improvements in or relating to cut-off valves for gas burners : en
  • FR47316E - Device used to join the ends of a scarf : en fr
  • FR810242A - Process for manufacturing fabrics of all kinds similar to crepe : en fr
  • GB462696A - Improvements in or relating to the manufacture of abrasive coated fabric : en
  • CA364738A - Metallurgical process : en fr
  • NL40207C - : en
  • FR810158A - Mower device : en fr
  • CA364769A - Metal working apparatus : en fr
  • FR810229A - Combined device for unwinding the thread : en fr
  • GB462845A - Improvements in and relating to sound recording or reproducing apparatus : en
  • GB462831A - Improvements in lingerie tape holders : en
  • GB462755A - Improvements in tools for applying wire straps or ties to boxes, bales and the like : en
  • US2073655A - Manufacture of fiber bat and machine therefor : en
  • US2073783A - Method of corrosion protection : en
  • US2074199A - Feed wheel : en
  • DE642755C - Process for cleaning wool or other animal fibers from adhering pitch : de en
  • FR810206A - Process for obtaining scintillating lighting in rare gas light tubes : en fr
  • US2073829A - Vehicle axle : en
  • US2073842A - Holder for yarn cones and the like : en
  • FR47337E - Method of connecting the threads of parts to be assembled in order to prevent their loosening by fortuitous causes : en fr
  • FR810380A - Method and device for the heat treatment of ingots : en fr
  • GB462965A - Improvements in arrangements for securing bodies on shafts : en
  • GB463133A - Improvements in tampons particularly for catemenial use : en
  • US2073950A - Beverage cooler : en
  • US2074068A - Pump or motor : en
  • DE642869C - Circuit breaker with residual current coil : de en
  • FR810313A - New bomb for aircraft : en fr
  • FR810385A - Lighter : en fr
  • FR810263A - Identification of the direction of a noise source by means of a multiplier compensator associated with a two or three-dimensional microphone array : en fr
  • US2073701A - Time-lag cathode circuit arrangement : en
  • US2073798A - Production of cinematographic effects in color and means therefor : en
  • FR810252A - Improvements to mixers, foam concentrates, etc. : en fr
  • US2074277A - Bag and process of making the same : en
  • US2073785A - Acetylene generator feed valve vibrator : en
  • DE642856C - Arrangement for the production of X-ray snapshots : de en
  • GB462937A - Improvements in or relating to gas producers : en
  • FR810366A - Tie clip : en fr
  • US2073686A - Manufacture of fatty acid anhydrides : en
  • FR47306E - Method and device for preventing the accumulation of ice on the constituent parts of locomotives and in particular of airplanes : en fr
  • CA364846A - Tree bark stripping knife : en fr
  • DE642935C - Process for the ready-made production of women's shirts : de en
  • DE642966C - Process for the production of monocalcium phosphate (double superphosphate), particularly suitable for fertilization purposes : de en
  • US2074003A - Method of culverting embankments : en
  • USD103619S - Design for a bonnet or similar : en
  • USD103654S - Design for a dress : en
  • FR810237A - Stitching machine improvements : en fr
  • GB462819A - Improvements in tubular electric lamps : en
  • US2073901A - Austenitic ferrous alloys and articles made thereof : en
  • FR810124A - Tractor provided with a winch, and particularly suitable for towing guns, and similar applications : en fr
  • GB462991A - Improvements in or relating to radio receivers : en
  • US2074144A - Hand covering : en
  • US2074043A - Seismograph : en
  • FR810310A - Improvement of asphaltic bitumen and water emulsions : en fr
  • US2073931A - Steering facilities of an automobile : en
  • AU99637A - Improvements in or relating to packaging cheese : en
  • USD103634S - Design for a scale : en
  • DE642834C - Interlock circular knitting machine : de en
  • GB462741A - Improvements in moulded products and method of making the same : en
  • DE642855C - Switching device for multi-phase, especially three-phase, step transformers with two or more-part low-voltage windings, in which the individual phase windings are arranged in a star connection and the circuit change is made by shifting the star point : de en
  • CH189597A - Stove with rational arrangement of the control devices of the power supply of the heating devices. : en fr
  • US2074126A - Frequency regulating system : en
  • GB462899A - Improvements in the treatment of regenerated cellulose material : en
  • CA364894A - Freight loading and unloading device : en fr
  • US2074227A - Adjustable wrench : en
  • DE642790C - Sheet leveler for thick-walled sheets : de en
  • FR810370A - Device for fixing carpets on stairs : en fr
  • CH189675A - Toy figure. : de en
  • FR47348E - Throttling device intended in particular for pipes for liquids : en fr
  • CA364818A - Razor blade : en fr
  • CA364885A - Measuring cup : en fr
  • FR47301E - Sheet feed device for rotary duplicators and the like : en fr
  • USD103622S - Design for a textile fabric : en
  • US2073601A - Safety device for fountain pens and the like : en
  • US2073988A - Weft-replenishing loom for weaving : en
  • US2074198A - Treatment of hydrocarbon oil : en
  • DE642982C - Abrasive or floor cloth with a cross band : de en
  • FR810279A - Improvements to cable cars for travelers : en fr
  • FR810122A - Removable stretcher : en fr
  • GB462961A - Combined metal moulds for casting and stripping ingots : en
  • GB463035A - Method for the manufacture of therapeutic preparations liberating carbonic acid : en
  • GB463108A - An improved model building brick and a method for producing same : en
  • GB462900A - Improvement relating to dust-bins : en
  • US2073623A - Submergible pump and transmission unit : en
  • US2073640A - Camera : en
  • US2073873A - Spring suspension : en
  • DE642848C - Anti-glare device for the driver of a motor vehicle : de en
  • US2073729A - Collapsible form : en
  • US2073977A - Manufacture of copper sulphate : en
  • US2074237A - Automatic break-off mechanism : en
  • FR810361A - Hydraulic shock absorber for automobile : en fr
  • NL40263C - : en
  • FR810226A - Improvements to lubricants : en fr
  • FR810151A - Ultra-high frequency transmitter : en fr
  • FR810253A - Improvements to rotary devices, such as centrifuges, etc. : en fr
  • US2074076A - Manufacture of artificial silk : en
  • US2074093A - Annealing cover : en
  • US2073634A - Impregnating composition : en
  • US2073818A - Tensioning means : en
  • FR810373A - Method and device for converting liquid fuels into a mixture suitable for fueling combustion engines : en fr
  • GB462986A - Improvements relating to the manufacture of bakery products : en
  • FR810286A - Improvement in the suspension and locking systems of the pads for electromagnetic braking of rail vehicles, : en fr
  • GB463124A - Improvements in and relating to dough moulding machines : en
  • FR810218A - Charm or pendant : en fr
  • FR810155A - Process for preparing quality hydrocarbons : en fr
  • FR810336A - Device for automatic control of a burner unit and air distributor for boilers : en fr
  • NL40237C - Electric fire detector. : en nl
  • CA364766A - Heel making apparatus : en fr
  • CH189633A - Process for the manufacture of articles of clothing such as outer garments, headgear and gloves. : de en
  • USD103562S - Design fob a base for a jewelry box : en
  • USD103588S - Design fob a shoe ob similab : en
  • US2074017A - Ten-key adding machine : en
  • FR810123A - Destructive hydrogenation of hydrocarbon oils : en fr
  • GB463008A - Improvements in means for absorbing vibration in aircraft : en
  • USD103625S - Design foe a cash register : en
  • FR810167A - Method and apparatus for photoelectric sound reproduction : en fr
  • GB462909A - Improvements relating to the discharge of biscuits from wire mesh oven bands : en
  • GB463038A - Improvements in change speed control mechanism for automobiles and the like : en
  • FR810133A - Bicycle lock : en fr
  • GB462867A - Two-stroke explosion or combustion engine : en
  • FR810134A - Improvements in cement manufacturing : en fr
  • DE642890C - Tobacco pipe : de en
  • US2073825A - Automatic temperature and pressure control system : en
  • FR47315E - Improvements to meat slicing machines : en fr
  • GB462795A - Improvements in and relating to milk cans : en
  • GB463022A - Improvements in or relating to braking apparatus for trailer vehicles : en
  • FR810267A - Improvements to wing surfaces : en fr
  • GB462930A - Apparatus for heating liquids : en
  • DE642735C - Damper plate for ring plate valves : de en
  • DE642877C - Conical centrifugal mill : de en
  • CA364733A - Electric valve converting system : en fr
  • DE642795C - Paper trolley switching device on typewriters or the like. : de en
  • FR810105A - Improvements to form-mounting machines : en fr
  • GB462796A - Improvements in or relating to constructional toys : en
  • AU84536A - A compression matrix for making briquettes or tablets from fine-grained materials or materials in powder form : en
  • CH189668A - Sheet music turner on music stand. : de en
  • DE642886C - Process for the preparation of resinous condensation products from cyclic oxy compounds and acetylene : de en
  • US2074077A - Soap and towel vending machine : en
  • US2073963A - Antifriction bearing and seal : en
  • CA364713A - Acoustical fibreboard : en fr
  • CH189622A - Grate for cards. : de en
  • DK52818C - Drying helmet. : da en
  • ES143296A1 - Improvement in steam production. : en es
  • FR47318E - Float container for drinks : en fr
  • CH189795A - Process for the preparation of 4-amino-6-methyl-3,4'dinitrodiphenylamine. : de en
  • FR47330E - Apparatus for maneuvering well-digging skips and similar operations, sheers and other devices fitted with this apparatus : en fr
  • FR810146A - Improvements to cylinders of pressurized fluid brake devices : en fr
  • GB462907A - Improvements in scouring implements : en
  • DE642807C - Safety gear for elevators : de en
  • DE1398576U - : de en
  • FR810071A - Devices for making an electric machine silent and for separating the rotor from the stator in a sealed manner : en fr
  • US2073935A - Heddle frame : en
  • US2073980A - Battery terminal clamp : en
  • US2074239A - Hand tool : en
  • GB462912A - Improvements in processes and apparatus for electro-magnetic separation of materials : en
  • US2073659A - Medicinal compounds : en
  • USD103604S - Design for a bedspring : en
  • FR810278A - Manufacturing process for eyeshadows and in particular indelible lipsticks and new products obtained : en fr
  • GB462851A - Improvements in or relating to hinges : en
  • GB463001A - Television receiver : en
  • DK52830C - Exhibition stand for Tie. : da en
  • CA364724A - Vehicle transmission control : en fr
  • CH189683A - Adding machine. : de en
  • US2074205A - Fluid pressure generator : en
  • GB462739A - Tightly closeable receptacle of paper and the like : en
  • DE642800C - Circuit arrangement for dialers with several line groups in a row of contacts : de en
  • DE642942C - Matrix setting and line casting machine in which the casting wheel, which carries several casting molds, is alternately brought into two working positions opposite the line casting and ejecting device by rotating and advancing and the vice jaws have protruding strips that penetrate the casting mold in the casting position : de en
  • GB462877A - Television transmitters and receivers : en
  • DE642732C - Device for the production of pegged wooden panels : de en
  • GB462935A - Improvements in saline feeding mixtures for animals : en
  • CA364780A - Envelope : en fr
  • US2073656A - Refrigerating apparatus : en
  • US2073882A - Vehicle spring : en
  • ES143153A1 - A device for the transmission of pressure in the loaders of firearms that work by gas pressure. : en es
  • GB462706A - Improvements in or relating to cathodes for electron discharge devices : en
  • CH190890A - Process for the production of a new intermediate product. : de en
  • US2073916A - Method of recovering fibers from used textile materials : en
  • US2074243A - Cover for garment hangers : en
  • US2073911A - Machine for manufacturing battery plate separators : en
  • US2073961A - Device on double warp rib frames for producing pattern stripes running in zig-zag lines in the fabric : en
  • CH189799A - Process for the preparation of an insoluble azo dye. : de en
  • US2073750A - Cap : en
  • CH189590A - Hinge for water closet seats. : en fr
  • CH189625A - Weft bobbin changing device for changing looms with double bobbin magazine. : de en
  • CA364771A - Battery gauge : en fr
  • CH189719A - Spark plug. : de en
  • DE642701C - Rocker arm arrangement for gear couplings : de en
  • US2074303A - Locomotive stoker : en
  • CH189778A - Hand-operated cleaning device to be connected to a liquid source. : de en
  • US2074307A - Process for the preparation of anthraquinonedisulphonic acids : en
  • US2074271A - Method and apparatus for the production of seamless tubing : en
  • US2074295A - Ventilating apparatus : en
  • US2073654A - Paper manufacture : en
  • US2074114A - Segmental grinding wheel : en
  • US2074135A - Motor mounting : en
  • CA364833A - Wardrobe suitcase : en fr
  • CH189638A - Device for the machine production of jelly toppings using pectins. : de en
  • CH189673A - Society game. : de en
  • CH189725A - Heat exchangers for thermal power plants in which a gaseous working medium, preferably air, continuously describes a closed circuit under excess pressure. : de en
  • US2073870A - Coin controlled vending apparatus : en
  • US2073906A - Manufacture of artificial silk : en
  • CH189787A - Air switch on overhead lines of electric railways with trolley current collectors. : de en
  • US2073741A - Refrigerating apparatus : en
  • US2074261A - Supervised electric system : en
  • USD103648S - Design for a refrigerator : en
  • AU100458B2 - Mechanical device for generating the striking force in percussion apparatus : en
  • USD103606S - Design fob a textile fabric : en
  • AU3536A - An improved branding device : en
  • AU82836A - Improvements in or relating to multiple-piston reciprocating pumps : en
  • CA364786A - Centrifugal separator : en fr
  • CA364817A - Electric burner ignition apparatus : en fr
  • CH189657A - Drawing sheet. : de en
  • CH189777A - Process for the production of a sheet metal container divided into several rooms and containers produced according to this process. : de en
  • USD103630S - Design for a textile fabric : en
  • CH189669A - Body exercise apparatus for performing rowing movements. : en fr
  • CH189738A - Set of two twin switches, in particular applicable to the control of electric heating appliances. : en fr
  • CA364719A - Railway vehicle wheel set : en fr
  • FR47307E - Folding metal stepladder : en fr
  • FR810299A - Products suitable for constituting inks for printing, inks thus prepared and process for the manufacture of these various products : en fr
  • US2073990A - Container : en
  • US2073658A - Steam laundry and pressing iron : en
  • US2074139A - Film feeding device : en
  • USD103642S - Design fob a textile fabric : en
  • CH189677A - Device for driving the height and side adjustment device of firearms. : de en
  • CA364831A - Sewing machine device : en fr
  • CH189691A - Device for synchronizing independently running clocks by means of control pulses which are transmitted from a time center via telephone lines. : de en
  • DK52828C - Mechanism for Releasing Organs Subject to Significant Returning Force. : da en
  • FR810066A - Star-shaped two-stroke engine with piston scavenging pumps : en fr
  • CA364774A - Receptacle cleaning method and apparatus : en fr
  • US2074171A - Apparatus for coating lithographic plates : en
  • US2074185A - Method for heat treating porous metal structures : en
  • FR810067A - Piston pin assembly : en fr
  • GB462846A - Improvements in or relating to latches : en
  • US2073713A - Razor : en
  • US2073973A - Treatment of hydrocarbon oils : en
  • US2074053A - Pile wire spoon with exchangeable blade : en
  • US2074084A - Ophthalmic mounting : en
  • CH189813A - Process for the preparation of an N-substituted amide of a pyridinecarboxylic acid. : de en
  • CH189612A - Wall-mounted dish warmer. : en fr
  • CH189783A - Vehicle for rail and road service. : en fr
  • US2074235A - Tubular continuous-flow steam generator : en
  • US2073903A - Flexible tool : en
  • CH189735A - Branch terminal for electrical lines. : de en
  • CA364829A - Tile decorating method : en fr
  • CA364807A - Roofing : en fr
  • AU106915B2 - Improved reflector assembly for cyclists and others : en
  • USRE20294E - Ornamenting machine : en
  • CH189587A - Protective mass for heating rods made of silicon carbide. : de en
  • CH189672A - Roller skate. : de en
  • CH189747A - Handset with sound reproduction system controlled by electrical currents. : de en
  • US2074108A - Wheel aligner : en
  • US2074167A - Shearing apparatus for taped bags and the like : en
  • CA364781A - Centrifugal separator : en fr
  • CH189762A - Pressure telegraph receiver. : de en
  • CH189655A - System for cleaning liquids with a plurality of filters. : de en
  • CH189768A - Number switch for telephones in telephone systems with dialer operation. : de en
  • CA364756A - Cash register : en fr
  • FR810128A - Improvements to rotary pumps : en fr
  • FR810142A - Double-sided mirror placed in the front of a car : en fr
  • FR810342A - Lighter : en fr
  • DE642983C - Boost filter : de en
  • CH189648A - Process for the preparation of a stain dye. : de en
  • US2074301A - Locomotive stoker : en
  • DE636079C - Suction roll for use in a sheet feeder : de en
  • GR6375B - HOW TO MAKE SHOES AND HEELS FROM OLD TIRE CARS. : el en
  • CH189741A - Method and device for starting induction motors with short-circuited rotors. : de en
  • US2073645A - Engine starter control : en
  • US2074258A - Protecting attachment for artificial bait : en
  • DE642909C - Frameless saw machine : de en
  • US2073847A - Fuel oil strainer and preheating device : en
  • US2073683A - Diphenyl derivatives : en
  • US2074196A - Hydrocarbon oil conversion : en
  • USD103591S - Design for a shoe or similar : en
  • US2073694A - Bumper post : en
  • US2073815A - Hair winder : en
  • DE642694C - Remote control and telecommunication device for switches with self-release : de en
  • DE642776C - Bottle labeling machine : de en
  • FR810320A - Improvements to printing mechanisms in telegraph installations : en fr
  • GB462951A - Improvements in clips for the adjustable attachment of partitions in show-cases and the like : en
  • US2073945A - Container discharging apparatus : en
  • CH189619A - Bottle brush. : de en
  • CH189751A - Process for the preparation of an aqueous digitalislanata glycoside solution. : de en
  • GB462939A - Apparatus for gasifying solid fuels in gas producers : en
  • CA364775A - Impregnated product : en fr
  • US2073958A - Stapling machine : en
  • USD103647S - Design fob a textile fabric ob : en
  • US2073765A - Automatic coin controlled time registering electric switch : en
  • USD103638S - Design fob a game apparatus : en
  • US2073800A - Surgical device : en
  • US2073981A - Refrigerator container for container cars : en
  • US2073607A - Means for generating gaseous fuel admixtures : en
  • US2073704A - Drill press : en
  • US2073763A - Safety paper and method of making the same : en
  • CH189611A - Base to form tables and frames. : de en
  • DE642696C - Circular knitting machine : de en
  • USD103650S - Design for a textile fabric : en
  • US2073653A - Cotton picking machine : en
  • USD103569S - Design for a combined bird figure : en
  • US2073872A - Vehicle : en
  • US2074070A - Trousers : en
  • US2073813A - Folding camp stove : en
  • CA364840A - Car loading device : en fr
  • US2074091A - Pressure control valve : en
  • US2073828A - Cycle timer : en
  • CA364865A - Stereotype casting machine : en fr
  • GB462784A - Apparatus for playing table games : en
  • GB463009A - Improvements in scissors : en
  • CA364770A - Electric wiring system : en fr
  • CA364806A - Coloured roofing granule manufacture : en fr
  • US2073909A - Method of attaching couplings to hose ends : en
  • CH189699A - Wire drawing machine. : de en
  • FR810156A - Improvements to calculating machines : en fr
  • FR810393A - Sewing machine with hook thread control device : en fr
  • GB463002A - Means for securing complete evacuation of burnt gases in internal combustion engines : en
  • FR810347A - Impregnation process for textile products : en fr
  • US2074249A - Advertising apparatus : en
  • US2074098A - Rocket airship : en
  • US2074290A - Balancing machine for rotating bodies : en
  • DE642891C - Device for lubricating a bearing with water : de en
  • CA364827A - Photographic film : en fr
  • CH189809A - Process for the production of a polynuclear ring ketone. : de en
  • DE642677C - Control of power distribution, power flows and speed (frequency) in single or multi-phase AC networks or network connections : de en
  • US2074186A - Insoluble azodyestuffs : en
  • GB463034A - Improvements in and relating to fastening arrangements for window mountings in meter casings formed of a hardened moulded material : en
  • US2073612A - Nut lock : en
  • US2074061A - Production of sulphur dioxide : en
  • US2074018A - Hair drying apparatus : en
  • GB462699A - Manufacture of 6-amino-2-hydroxynaphthalene-3-carboxylic acid : en
  • GB462890A - Improvements in the sterilization of water by means of chloramine : en
  • GB462947A - Improvements in or relating to the operation of gas-heated, metallurgical furnaces provided with regenerators : en
  • US2073718A - Fuel oil burner ignition : en
  • US2074300A - Locomotive stoker : en
  • US2074314A - Cigar box : en
  • US2073615A - Method for the production of tiles : en
  • DE642846C - Process for the production of luminescent screens, in particular for cathode ray tubes : de en
  • DE642865C - Machine for the production of cross passages, tunnels, etc. Like. With protective screen : de en
  • US2073757A - Thermostatic switch : en
  • US2073850A - Press for making wax patterns : en
  • CA364750A - Metallic composition : en fr
  • FR47340E - Filling spout for machines for filling bottles, flasks, cans, and similar containers : en fr
  • GB463130A - Improvements in or relating to injectors for internal combustion engines : en
  • US2073823A - Vehicle suspension : en
  • US2073635A - Compartment tray for packaging foods : en
  • US2074065A - Pasting machine : en
  • FR810249A - Improvements to mushroom white cultivation processes : en fr
  • GB462978A - Improvements in or relating to conducting liquid electric switches : en
  • FR47323E - Adjustable pressure and flow pump for sprayers : en fr
  • US2073734A - Electrical storage cell : en
  • USD103636S - Design foe a scarf : en
  • CH189757A - Process for the manufacture of a soapy formaldehyde solution in the pasty state and disinfectant product obtained according to this process. : en fr
  • CA364820A - Gas cleaning apparatus : en fr
  • CH189578A - Combined tamper and elevator vehicle body. : en fr
  • FR810172A - Bulk Core High Frequency Coil : en fr
  • USD103626S - Design for a cash register : en
  • US2074265A - Air conditioning apparatus : en
  • US2074137A - Evaporator : en
  • DK52822C - Insulation and building board. : da en
  • FR810293A - New method of construction of valves and the like and new products resulting therefrom : en fr
  • US2073959A - Stapling machine : en
  • US2074299A - Railway vehicle structure : en
  • GB462931A - Improvements in or relating to geysers : en
  • USD103585S - Design fob a shoe ornament : en
  • FR810160A - Small crusher device for making and immediately consuming grape juice : en fr
  • FR810220A - Advertising article consisting of characters, in particular letters, numbers, and the like : en fr
  • GB462776A - Improvements in paper and like containers : en
  • DE642903C - Electric discharge tubes fitted with a base and containing vapor of a semi-volatile metal : de en
  • FR810350A - Improvements to gyro-magnetic compasses : en fr
  • DE642791C - Device for smoldering fuels with purging gases or steam, in which the heating medium is circulated through the smoldering tunnel and the pipe heater at a speed that prevents decomposition : de en
  • US2073947A - Portable sectional fence : en
  • USD103590S - Design fob a shoe or similar : en
  • US2074136A - Resilient mounting : en
  • AU100457B2 - Scanning and synchronizing system : en
  • US2073752A - Telephone system : en
  • US2073863A - Capillary tube device : en
  • US2074183A - Reagent and process for treating crude oils : en
  • FR810216A - Improvements to removable trolleys with wheels : en fr
  • FR810077A - Seamless suspender system with large removable legs and a smooth frame : en fr
  • GB462786A - Improved method for producing readily sliding rubber articles for therapeutic purposes : en
  • GR6379B - VELLOMETER TO DETERMINE THE RESISTANCE OF BEAMS AND SLABS. : el en
  • FR810265A - Metal brush for signaling pedal for railway tracks and pedal equipped with this brush : en fr
  • GB463028A - Improvements in and relating to air-cooling arrangements for the driving motors of electrically driven machines : en
  • FR810201A - Automatic gauge for cambered bands and its application to a shear : en fr
  • GB462903A - Improvements in the manufacture and production of vinyl ethers : en
  • FR810078A - Closing device for malleable metal tubes : en fr
  • GB462940A - The manufacture of monoazo dyestuffs : en
  • US2073839A - Manufacture of thread : en
  • USD103605S - Design for a coin bank : en
  • DE642787C - Guide band pressed into an annular groove in a bullet jacket : de en
  • GB462760A - Improved rubber compositions : en
  • FR810391A - Method and device for the thermal decomposition of materials or mixtures of materials : en fr
  • FR810072A - Constant delay high voltage direct relay : en fr
  • FR810289A - Improvements to coal chests and the like : en fr
  • DE642988C - Chain washer for round iron chains : de en
  • GB463029A - Improvements in an electric generator construction : en
  • GB462838A - Apparatus for drying wood and similar material : en
  • CH189628A - Gas iron. : de en
  • GB462921A - Improvements in or relating to pumphead valves : en
  • GB462913A - Manufacture of dyestuffs and intermediate products therefor : en
  • GB462952A - Improvements in or relating to game apparatus : en
  • FR810245A - Installation for automatic speed control of continuous hot rolling mill trains : en fr
  • GB462749A - Improvements in or relating to propeller pencils : en
  • DE642822C - Adjusting device for flaps, such as windows, doors or the like, with a pivot rod that can be adjusted and locked in different positions : de en
  • DE642968C - Process for the sterilization of surgical sewing material : de en
  • GB462871A - Improvements in or relating to the refining of wood pulp : en
  • DE630113C - Pump with adjustable eccentric drive and working rooms arranged in a star shape in a circular pump body : de en
  • DE642910C - Process for the production of alloys containing titanium : de en
  • CA364860A - Electric socket plug : en fr
  • US2074292A - Relief valve : en
  • CA364764A - Weighing scale : en fr
  • CH189788A - Sliding door with door leaves that can be retracted laterally into the garage or the like. : de en
  • CH189721A - Carburetors for internal combustion engines. : de en
  • AU85036A - Improved polishing broom : en
  • CH189694A - Process for producing an alloy containing at least one highly reactive substance in a predetermined amount. : de en
  • CA364875A - Stereoscopic motion picture producing apparatus : en fr
  • US2074062A - Hedge trimmer : en
  • CH189790A - Collapsible deck chair. : de en
  • DE642929C - Arrangement for the operation of forming devices working with grid-controlled steam or gas discharge paths : de en
  • US2073667A - Sound producer : en
  • CH189577A - Device that can be attached to the gutter of buildings for guiding at least one pull rope for pulling up scaffolding poles, building materials, etc. : de en
  • CH189696A - Process for finishing coated bars and apparatus for performing the same. : de en
  • US2073772A - Speed control system for vehicles : en
  • US2073774A - Locomotive control : en
  • US2074197A - Textile printing : en
  • USD103594S - Design for a shoe ob similar : en
  • AU116136A - Improved apparatus forthe replenishment of containers for hydrocarbon liquids : en
  • US2073861A - Grinding tool : en
  • US2073912A - Scale : en
  • CH189596A - Low-power electric heating body and method for its manufacture. : en fr
  • USD103629S - Design foe a safe or similar article : en
  • FR810168A - Improvements to devices used to support jars for confectionery products, cordial containers, etc. : en fr
  • CA364861A - Coffee processing : en fr
  • GB463109A - Improvements in motor vehicles : en
  • US2074122A - Humidor : en
  • CA364791A - Centrifugal separator : en fr
  • FR810256A - Method and devices for supplying pressurized air and negative air on board air navigation devices : en fr
  • US2074146A - Golf practice device : en
  • US2074293A - Traveling motor compressor : en
  • CH189671A - Skis with protective edges. : de en
  • CH189733A - Plug. : de en
  • DE642849C - Template with recess for use in splitting machines : de en
  • US2073965A - Magnetic blow-out device : en
  • GB462953A - Improvements in or relating to appliances for simultaneously igniting a flashlight and releasing the shutter of a photographic camera : en
  • US2074044A - Cooking machine : en
  • US2074099A - Resilient wing mounting and framing : en
  • GB462754A - Improvements in method of coating paper : en
  • US2074032A - Cartridge for blasting : en
  • US2073620A - Internal combustion engine : en
  • US2074069A - Holder for bale identification tags : en
  • FR810127A - Liquid preservation process : en fr
  • GB462862A - Improvements in or relating to electrical signalling systems : en
  • US2074147A - Process and apparatus for surfacing roofing : en
  • AU56536A - Mechanical device for generating the striking force in percussion apparatus : en
  • GB462779A - Improvements in and relating to thermionic discharge devices : en
  • US2073776A - Sheet stock cutting machine : en
  • DE642902C - Electrical cable feedthrough through metal walls, which consists of two parts made of electrical insulating material that complement each other to form a socket : de en
  • GB462942A - Process for the manufacture of pregnanolones : en
  • DE1401836U - : de en
  • US2073999A - Holder for stick material : en
  • US2074104A - Blank turning and transfer mechanism : en
  • DE642892C - System for covering wires and other reelable bodies with a metal layer : de en
  • GB462840A - Improvements in and relating to the purification of rubber : en
  • GB462957A - Improvements in wire stapling devices : en
  • GB462885A - Improvements in television receiving apparatus : en
  • FR810144A - elements forming combustion train and safety wick : en fr
  • GB462836A - Improvements in and relating to sand-faced bricks, building slabs and the like : en
  • FR810165A - Process for making phosphate fertilizers containing boric acid : en fr
  • GB462984A - Improvements in or relating to systems for carrier-frequency telephony : en
  • FR810358A - Improvements in cold working of materials : en fr
  • GB462864A - Improvements in or relating to trolly collectors for electric vehicles : en
  • GB463047A - Improvements in or relating to corset garments and the like : en
  • IE14009L - Upholstery springs : en
  • US2073860A - Pusher plate : en
  • FR47347E - Controlled suction flap device for harvest pump : en fr
  • FR810179A - Improvements to differential piston switches : en fr
  • USD103653S - Design for a dress : en
  • DE642915C - Device with revolving cams for automatic regulation of the pressing pressure in tar rolling machines : de en
  • GB462880A - Improvements in or relating to absorption refrigerating apparatus : en
  • USD103597S - Design fob a brooch : en
  • USRE20295E - Process of coloring granular slate : en
  • FR810106A - Improvement of the process and devices for cutting gloves and their manufacture : en fr
  • FR810222A - Adjustment device for internal combustion machines with direct injection : en fr
  • GB462793A - A process for the manufacture of lubricants and insulating oils : en
  • GB463011A - Improvements in thermionic tubes : en
  • GB462735A - Improvements in or relating to lifts and hoists : en
  • NL40217C - Flow-through device for pasteurizing milk : en nl
  • DE642873C - Spring base, especially for seating and reclining furniture : de en
  • GB462809A - Diamond embedded abrading tools and methods of manufacture thereof : en
  • FR810095A - Process for the generation of a motive fluid and for the supply, by means of this motive fluid, of at least one motive machine, in particular of a turbine, and the installation for the implementation of this method : en fr
  • FR810282A - Advanced training in current transformers : en fr
  • GB462875A - Garden incinerator : en
  • GB462982A - Improvements in typographical slug casting machines : en
  • GB463017A - Cutting out scissors which can be used as such and or as hempicking scissors : en
  • DE642933C - Corner connection for wooden frames, especially wooden window frames : de en
  • FR810126A - Welding process and support material : en fr
  • ES143389A1 - PUSH PIPE MANUFACTURING BENCH, DESIGNED TO STRETCH PRE-DRILLED STOOLS IN THE FORM OF CUP : en es
  • US2073626A - Brake : en
  • CH189654A - Process for the production of elastic synthetic masses. : de en
  • GB463007A - Improvements in and relating to electrically heated hotplates : en
  • GB463048A - A road vehicle closable panel roof : en
  • US2073787A - Truss : en
  • US2074173A - Loudspeaker and the like : en
  • DE642643C - Rotary drum cell filter : de en
  • FR810188A - Paraffin refining : en fr
  • GB462858A - Improvements in or relating to high pressure metal vapour electric discharge devices : en
  • US2073724A - Annealing base : en
  • US2074038A - Diamond embedded abrading tool : en
  • DE642860C - Dynamo for battery ignition of motorcycles with regulator, with a primary circuit breaker operated by the dynamo through a transmission gear : de en
  • DE642961C - Device for accurate angular remote transmission of pointer or lever positions in several interdependent levels of accuracy using voltage dividers : de en
  • US2074131A - Process and apparatus for surfacing roofing : en
  • USD103595S - Design fob a brooch or the like : en
  • CA364826A - Door : en fr
  • US2073955A - Cabinet and counter structure : en
  • US2074027A - Method and apparatus of weaving knotted fabrics : en
  • AU100483B2 - Improvements in control ofthe operating point of thermionic devices : en
  • CA364752A - Bedstead : en fr
  • DE642745C - Power supply device for railway signal systems operated by direct or alternating current : de en
  • US2073953A - Treatment of hydrocarbons : en
  • CH189614A - Method for attaching insulating handles to metal vessels to be provided with a protective coating, in particular enamel or paint. : de en
  • CH189794A - Process for the preparation of a condensation product from phloroglucinol and 1-amino-4-nitrobenzene. : de en
  • DE642803C - Stranding machine for the production of doubly stranded wire quads for multi-core telecommunication cables in one operation : de en
  • DE642881C - Device for applying the mouthpiece topping sheets to a strip of cigarette paper : de en
  • USD103657S - Design for a dress : en
  • GB462894A - Improvements in steam generating systems utilising waste heat : en
  • CA364778A - Composite article manufacture : en fr
  • CH189682A - Haystack probe with thermometer. : de en
  • DE642889C - Oscillating mirror for making optical sound recordings : de en
  • USD103608S - Design for a billiard table : en
  • CA364811A - Iron multi-point pile : en fr
  • CH189760A - Box with mirror lid. : de en
  • USD103603S - Design for a utensil scraper or : en
  • US2073991A - Filter : en
  • US2073662A - Color compound : en
  • US2073864A - Aircraft : en
  • US2074094A - Can opener : en
  • USD103581S - Design fob a wing type display back : en
  • US2073971A - Adjustment means for steering gears : en
  • US2074311A - Process for purifying hydrogen : en
  • ES143154A1 - A perfected system bolt for gas pressure loader for firearms. : en es
  • CH189769A - Circuit arrangement for receiving electrical vibrations. : de en
  • CH189572A - Method for attaching a stop member to a cow tail. : de en
  • CA364739A - Housed type of drop-out fuse : en fr
  • CA364822A - Composition for coating, laminating and forming films : en fr
  • US2073679A - Electroplating apparatus : en
  • US2073883A - Antiskid device : en
  • US2074189A - Telegraphic tape stop : en
  • US2074175A - Viscosimeter : en
  • FR47338E - Improvement in filters against arsines and toxic fumes : en fr
  • FR810364A - Apparatus for sorting fruit and other items by weight : en fr
  • CH189796A - Process for the preparation of a condensation product from phloroglucinol and para-aminoquinoline. : de en
  • CA364854A - Pulverizing machine : en fr
  • CH189646A - Process for the preparation of a dye of the anthraquinone series. : de en
  • FR810231A - Improvements to heaters for gasiform fluids : en fr
  • AU79736A - An improved glndless dispensing tap : en
  • CH189676A - Animated sight shooting cabinet working in combination with a projection device. : en fr
  • CH189767A - Telephone system with payphones. : de en
  • DE642926C - Grinding device using a pressurized water jet as drive means : de en
  • CH189580A - Road snow plow with blades supported by leaf springs. : de en
  • US2074156A - Device for the opening of containers : en
  • US2073767A - Hair waving scalp protector : en
  • US2073894A - Panel board and method of making same : en
  • US2073809A - Motor for oil well pumping system : en
  • US2073619A - Process of producing transformation products of acrylic acid or its derivatives : en
  • GB462732A - Improvements in or relating to orthopaedic shoe inserts : en
  • CA364792A - Metallic sheet treating machine : en fr
  • US2074192A - High melting point rosin and method for its production : en
  • US2074238A - Pick out shield : en
  • USD103579S - Design for a wrench : en
  • CA364863A - Pulp treating apparatus : en fr
  • DE642782C - Etch for flat printing of zinc plates : de en
  • CH189642A - Process for the production of carboxylic acids. : de en
  • US2073681A - Clothes pounder : en
  • US2074056A - Cartridge fuse : en
  • USRE20296E - Billing machine : en
  • US2074024A - Circulating vent control : en
  • US2074092A - Motor mounting : en
  • AU86136A - Improvements in thermionic and like time-base circuits : en
  • CA364708A - Phonograph : en fr
  • DE642687C - Rigid iron pit stamp : de en
  • CH189653A - A plastic mixture capable of forming a hard body and method of preparing this mixture. : en fr
  • US2073789A - Apparatus for delivering change : en
  • CH189603A - Dishwasher. : de en
  • US2073812A - Musical vibration apparatus : en
  • US2073983A - Registering system : en
  • US2074211A - Toilet ventilating apparatus and ventilating method : en
  • US2073844A - Monogram for automobiles : en
  • US2073970A - Air comb : en
  • USD103565S - Design fob a combined stop and tail : en
  • US2073755A - Firearm accessory : en
  • US2074059A - Stop motion for spinning frames : en
  • CA364762A - Oil pour point reducer : en fr
  • CH189585A - Boiler. : de en
  • CA364728A - Alcohol manufacture : en fr
  • US2073979A - Sleeping bag : en
  • US2073671A - Manufacture of amines : en
  • CH189591A - Device for securing open door and window sashes. : de en
  • AU100464B2 - Improvements in closure caps and method and apparatus for making same : en
  • FR810270A - Improvements to the sheaths of nails for curtain suspensions : en fr
  • DE642789C - Safety device for coin gas meters, gas meters and gas devices of all kinds : de en
  • DE642943C - Relay for backfire protection of gas or vapor filled discharge vessels : de en
  • US2073652A - Central mixing plant : en
  • DK52811C - Continuous Extraction Plant. : da en
  • DK52825C - Machine for spreading manure. : da en
  • FR810119A - Tool usable as a spade and pickaxe or the like : en fr
  • FR810073A - Process for the production of modified condensation products of phenol and formaldehyde : en fr
  • FR810097A - Acid dye for wool and method of preparation : en fr
  • FR47350E - New process for vacuum-sealing cylindrical or slightly conical metal boxes or buckets, even not intended for this use, provided that these boxes or buckets are perfectly sealed and in any way whatsoever : en fr
  • GB462926A - Method and means for stabilising rail vehicles : en
  • DE642941C - Die setting and line casting machine, in which a hand set ship carrying a line of dies is held in such a way that the dies are in the casting position opposite a casting mold provided with a slot : de en
  • FR810260A - Direct sight sextant particularly intended to be mounted on board an aircraft : en fr
  • CA364888A - Fabric : en fr
  • CH189759A - Device for curling hair. : en fr
  • DE642858C - Process for the production of rayon from copper oxide ammonia cellulose solution prepared from wood pulp : de en
  • DK52823C - Heat consumption meters for radiators, hot water taps and similar heat sources. : da en
  • FR810154A - Bimetal spacer with relatively thin plating : en fr
  • FR810197A - Automatic circuit breaker in the event of an automobile or airplane accident : en fr
  • US2073611A - Instrument for measuring moisture : en
  • US2074268A - Relief valve and testing device : en
  • GB463042A - Improvements in the manufacture and production of dyestuffs : en
  • US2073663A - Tobacco pipe construction : en
  • DE642878C - Heat exchanger : de en
  • US2074083A - Device for internal combustion engines : en
  • US2073868A - Portable electric fan : en
  • US2073940A - Coil mounting system for high frequency circuits : en
  • GB462966A - Improvements in and relating to abrasive articles and the manufacture thereof : en
  • IE14347L - Refractory bodies and materials : en
  • US2073758A - Composite plate for stair treads and the like : en
  • US2074030A - Talking motion picture apparatus : en
  • GB462974A - Means for improving the commutation of commutator motors : en
  • US2074246A - Traffic signal : en
  • FR810311A - Variable tilt mobile belt conveyor-elevator : en fr
  • US2074213A - Conduit cleaner : en
  • CH189588A - Sink trough device in kitchens to enable space saving and in particular the use of the kitchen area for various living and other purposes. : de en
  • US2073806A - Package delivery arrangement : en
  • CA364808A - Vaporising generator : en fr
  • CA364891A - Knitting needle stitch holder : en fr
  • US2074102A - Blackboard compass : en
  • US2074236A - Dynamo-electric generating apparatus : en
  • CH189623A - Flyer drive in which the motor is arranged inside the machine. : de en
  • CH190755A - Device for unloading a precision screw from forces exerted on it during its operation. : en fr
  • FR810112A - Process for halogenating unsaturated organic compounds by substitution : en fr
  • DE642863C - Well filter tube made of plate-shaped rings arranged one above the other : de en
  • FR810243A - Automatic pump start device : en fr
  • US2073984A - Tie holder construction : en
  • USD103616S - Design for a glove : en
  • GB462866A - Improvements relating to refractory products : en
  • DE642832C - Radio receiver with network antenna : de en
  • GB462989A - Improvements in or relating to telephone desk sets : en
  • GB463106A - Improvements in and relating to dough moulding machines : en
  • US2073898A - Frame saw : en
  • US2074316A - Temporary binder for sheets of paper and the like : en
  • DE642802C - Device for station display of radio equipment : de en
  • US2073795A - Attaching means for wall facings : en
  • US2074140A - Upkeep of nonporous gloves : en
  • CH189752A - Process for the preparation of triphenylacetic acid-2-diethylaminoethanol ester. : de en
  • GB462693A - Process for the manufacture of new acid wool dyestuffs of the anthraquinone series : en
  • GB462765A - Process for the preparation of new soluble aromatic amido compounds of therapeutic value : en
  • FR810277A - Rubber signaling pad with fabric base : en fr
  • US2074082A - Sewage treating process : en
  • US2074259A - Photographic material for producing dyestuff images : en
  • USD103660S - Design foe a textile fabric : en
  • FR810357A - Chair can be placed in vertical stacks : en fr
  • GB462769A - Improvements relating to railings and the like : en
  • DE642759C - Process for the production of an antirachitic substance : de en
  • DK52836C - Cigar machine. : da en
  • CH189658A - Typewriter postcard. : de en
  • USRE20298E - Electrical insect exterminator : en
  • GB463024A - Improvements in or relating to the electrolytic production of protective layers on magnesium and magnesium-base alloys : en
  • CH189601A - Covered shovel. : de en
  • USD103639S - Design fob a textile fabric : en
  • US2073808A - Circuit controller : en
  • US2073949A - Coin detector mechanism : en
  • USD103576S - Design for a lighting fixture : en
  • DK52832C - Bottle closure. : da en
  • US2074230A - Coffeepot : en
  • USD103659S - Design for a dress : en
  • DE642862C - Bushing separator for pneumatic tube systems : de en
  • USRE20297E - Amplification system for glow relay devices : en
  • CA364799A - Denture composition : en fr
  • FR47312E - Improvements to discharge devices : en fr
  • FR810059A - Fired ceramic coating for all masonry constructions, protection against humidity : en fr
  • GB462771A - Improvements in or relating to doors for bakers' or other ovens : en
  • US2073602A - Pinholder : en
  • US2073838A - Pneumatic control system : en
  • US2074245A - High pressure air valve : en
  • FR810084A - Improvement in the mounting of staples for tapes-clasps for corsets and belts : en fr
  • CA364723A - Fumigating apparatus : en fr
  • CA364881A - Electrical protective device : en fr
  • FR810096A - Pipe fittings : en fr
  • DE642844C - Device for the demonstration of light advertising in lines with different lighting effects on a glass plate with edge illumination : de en
  • DE642678C - Device for regulating the voltage of transformers : de en
  • FR810318A - Plate bearing the number of motor vehicles : en fr
  • CA364842A - Tire chain applicator : en fr
  • ES143387A1 - A rotary valve motor. : en es
  • FR810102A - Heat meter for liquid or gas streams : en fr
  • GB463057A - Improvements relating to davits : en
  • US2073922A - Bird and song-whistle : en
  • US2074247A - Glare interceptor : en
  • US2074081A - Road grading machine : en
  • US2074191A - Latch mechanism : en
  • USD103644S - Design fob a heater : en
  • FR810195A - Mineral oil refining process : en fr
  • FR810386A - Process for preparing iron-tanned leather : en fr
  • FR810152A - Electric capacitor : en fr
  • GB462802A - Improvements in the construction of walls : en
  • GB462998A - Improvements in or relating to the production of titanium dioxide : en
  • GB462774A - Improvements in and relating to lubrication systems : en
  • CH189661A - Device for securing the stopcock against pushing inwards in the bore of the melting pot of stereotype plate casting machines. : de en
  • DE642772C - Knife basket for meat wolves : de en
  • CA364790A - Centrifugal separator : en fr
  • GB462889A - Improvements in or relating to high-pressure electric discharge tubes : en
  • GB462988A - Improvements in cellulose acetate compositions : en
  • CA364795A - Fur trimmed article : en fr
  • CH189663A - Booking apparatus. : de en
  • AU100460B2 - Improvements in or relating to electron-image tubes : en
  • CA364712A - Motor starter : en fr
  • US2073918A - Tympan sheet : en
  • US2073674A - Heater : en
  • CA364737A - Refrigerating machine : en fr
  • US2073647A - Coating applying machine for shoe parts : en
  • DE642980C - Process for the production of therapeutically effective solutions from bacteria : de en
  • FR810268A - New differential adjustment process, applicable in particular to automatically control and compensate for network frequency deviations : en fr
  • US2073982A - Container and container car : en
  • US2074157A - Fire extinguishing apparatus with warning signal : en
  • CH189666A - Lead pencil. : de en
  • CA364889A - Freezing apparatus : en fr
  • CH189701A - Saw with attached teeth. : en fr
  • US2073836A - Fluid control valve : en
  • CH189791A - Process for increasing the wetting ability of mercerising liquors. : de en
  • US2074025A - Audible-signal clock : en
  • US2074115A - Melting furnace : en
  • US2073737A - Teat-cup for milking machines : en
  • US2073835A - Flush tank apparatus : en
  • FR810093A - Invisible zipper clasp, the extreme slider of which can be fixed at any point of its stroke : en fr
  • CH189570A - Device for improving the sorting and selection work to be carried out on milling machines and similar machines by means of an air flow. : de en
  • CA364772A - Transmission mechanism : en fr
  • CA364819A - Tank : en fr
  • AU100461B2 - A compression matrix for making briquettes or tablets from fine-grained materials or materials in powder form : en
  • AU95336A - Improvements in plugs for insertion in wall or other cavities for fixing or support of objects : en
  • FR810215A - Folding and transportable table for surgery, gynecology and other applications : en fr
  • FR810273A - Filling spout for machines for filling bottles, flasks, cans, and other containers : en fr
  • GB462881A - Manufacture of amine oxides : en
  • CA364798A - Flame resistant material : en fr
  • FR810177A - Tensioner system restores the squaring of sagging doors : en fr
  • CA364810A - Glass bottle manufacture : en fr
  • DE642847C - Ball joint coupling for trailers of motor vehicles : de en
  • GB462987A - Method of and means for making bore-holes by electric melting : en
  • FR810223A - Electric chain breaker with side contacts : en fr
  • GB462768A - Improvements relating to gas cookers : en
  • US2073632A - Cartridge feeding mechanism for automatic guns : en
  • DE642766C - Stocking with French foot : de en
  • GB462797A - Improvements in change speed chain gearing for cycles : en
  • GB462824A - Improvements in and relating to the treatment of cellulosic materials : en
  • DK52809C - Fixed double cuff. : da en
  • GB462808A - Improvements in or relating to projection screens for the exhibition of images in relef : en
  • CA364782A - Centrifugal separator : en fr
  • DE642952C - Nut locking by washer with a thread-like hole edge : de en
  • ES143395A1 - A PROCEDURE FOR THE MANUFACTURE AND REPRODUCTION OF COLOR FILMS : en es
  • GB462815A - Improvements in means for producing illumination resembling daylight : en
  • GB462750A - Improvements in means for venting tanks and other vessels : en
  • CH189742A - Means for reducing the distortion caused by the non-linear relationship between the potential of the control grid and the current in the anode circuit of an electron tube. : de en
  • CA364734A - Incandescent lamp : en fr
  • CA364847A - Speed gear : en fr
  • CH189706A - Connection of socket pipes with sleeve-like sealing body. : de en
  • US2073845A - Tire cover construction : en
  • FR810087A - Safety device for elevators or freight elevators : en fr
  • FR810258A - Heavy oil fireplace : en fr
  • ES142797A1 - Improvements in the method of joining the meshes, by means of a device for sewing machines to point above and with more than one needle. : en es
  • FR47342E - Handle for paper bags : en fr
  • US2074154A - Decorative lighting device : en
  • US2073843A - Key lever adjusting mechanism : en
  • GB462800A - Improvements in or relating to electrical control for friction wheel screw-presses : en
  • GB462782A - Improvements in or relating to transmitting systems of telecinematography : en
  • US2073650A - Automatic temperature regulation of contact masses : en
  • FR810244A - Process for the repair of bearings, joints, etc. worn out : en fr
  • GB462916A - Improvements in or relating to windows and like glazed structures : en
  • ES143424A1 - Improvements in the recovery of gas sulfur dioxide. : en es
  • GB462852A - An improved rib-tip holder attachment for sewing machines : en
  • GB463127A - Improvements in or relating to vehicle wheels : en
  • FR47328E - Household waste sorter : en fr
  • GB462922A - Improvements in means for effecting vapor treatment of yarn in a yarn fabricating machine : en
  • AU47036A - An improved carburettor : en
  • FR810302A - Expansion device for water heaters : en fr
  • GB462757A - Means for regulating rectifiers by grid control : en
  • GB462887A - Improvements in and relating to electric motor-generators for welding purposes : en
  • FR810117A - Process for making reinforced collars on the front : en fr
  • FR810324A - Training at locker boxes : en fr
  • GB462758A - Improvements relating to vertical retorts for the carbonisation of coal and like materials : en
  • GB463189A - Improvements in the support and protection of accordeons : en
  • DE642962C - Clip-on figure made of paper, cardboard or the like with a stick-on handle : de en
  • GB462777A - Improvements relating to the reinforcement of concrete and other cast or moulded structures : en
  • CH189689A - Device for fixing a pendulum movement in his cabinet. : en fr
  • CA364815A - Lighting fitting : en fr
  • CH189630A - Suction effect cleaning device. : en fr
  • US2073871A - Engine : en
  • US2074193A - Drum : en
  • USD103627S - Design for a keyboard for cash : en
  • US2073921A - Method and means for controlling the operation of steam engines : en
  • US2073919A - Revolving toy : en
  • US2073693A - Spring base seating furniture frame : en
  • US2073696A - Blank measuring and sorting machine : en
  • US2073670A - Discharge head for fluid containers : en
  • US2073946A - Electron discharge device : en
  • US2074176A - Automobile trunk : en
  • FR47313E - Installation of high pressure steam engines : en fr
  • GB462860A - Improvements in or relating to the mounting and dragging of bobbin carriers in flyer frames : en
  • GB462917A - Anemone cutter : en
  • US2074048A - Mandrel for forming tubes : en
  • US2074184A - Vapor compressor : en
  • GB462844A - Improvements in or relating to apparatus for treating the body with heat and light : en
  • GB463046A - Process for the manufacture of water-insoluble azodyestuffs : en
  • US2074225A - Azo dyestuffs and their manufacture : en
  • US2074234A - Bathtub : en
  • CA364759A - Defroster switch : en fr
  • CH189616A - Insert sieve for saucepans. : de en
  • FR810239A - Process for preparing diacetyl : en fr
  • GB462697A - Improvements in or relating to the manufacture of abrasive-coated fabric : en
  • GB462888A - Improvements in or relating to electro-mechanical impedances : en
  • US2073695A - Flowerpot and method of making same : en
  • CA364805A - Coloured roofing granule manufacture : en fr
  • CH189636A - Process for the production of a starch degradation product which is soluble in warm water. : de en
  • CH189740A - Valve for controlling the compressed gas supply in switches with arc quenching by compressed gas. : de en
  • CA364754A - Valve : en fr
  • CH189674A - Party dice game. : de en
  • US2074109A - Split collar type elevator : en
  • US2074177A - Abrading tool : en
  • US2073631A - Metal recovery : en
  • US2073784A - Method and apparatus for circulating water in swimming pools : en
  • US2073913A - Means for gauging minute displacements : en
  • US2074067A - Ventilated splashproof motor housing : en
  • CH189765A - Device for winding the handset cord of telephone sets. : de en
  • CH189807A - Electric cable. : en fr
  • CH189645A - Process for the preparation of 1- (d-ribityl-amino) -2-amino-4,5-dimethylbenzene. : de en
  • CA364814A - Signalling device mounting : en fr
  • CA364877A - Main line stretching wire bracket : en fr
  • AU107336A - Improvements relating to mounting brackets and installations thereof : en
  • DK52837C - Tool blade with shaft. : da en
  • US2073943A - Method of making multiplex fasteners or nails : en
  • US2073790A - Photographic exposure meter : en
  • FR810303A - Bonding process : en fr
  • CA364821A - Metal sheet classifying and piling apparatus : en fr
  • CH189703A - Hair clippers. : de en
  • CH189723A - Device for the optional gasification of gasoline and heavy oil for internal combustion engines. : de en
  • DE642899C - Process for embossing foils : de en
  • DE642916C - Control device for internal combustion engines with highly variable speed : de en
  • US2074266A - Acoustic warning device : en
  • US2074006A - von pein : en
  • US2074064A - Manufacture of macaroni products : en
  • CA364787A - Centrifugal separator : en fr
  • CH189702A - Safety razor with a back-and-forth blade. : en fr
  • US2074274A - Nonrefillable attachment : en
  • DE642900C - Multiple selection switch for address printing machines : de en
  • US2073669A - Drier : en
  • US2073778A - Radiator : en
  • CH189784A - Bogie on rail vehicles. : de en
  • GB462695A - Improvements in heat exchangers for fluids : en
  • GB463031A - Improvements in and relating to electric transformers : en
  • AU103736A - Sound recording apparatus : en
  • CH189567A - Slurry tank slider. : de en
  • CA364749A - Relay : en fr
  • USD103613S - Design tor a scarf : en
  • FR810363A - Improvements in the construction of reinforced cement formwork vaults : en fr
  • US2073960A - Anvil for stapling machines : en
  • US2074187A - Beer coil cleaner : en
  • US2074267A - Fillerstractor : en
  • CA364882A - Dredge : en fr
  • US2073874A - Motor vehicle : en
  • CA364768A - Hose : en fr
  • CA364835A - Portable cinematographic apparatus : en fr
  • CH189737A - Arc blowing alternating current electrical switch. : en fr
  • CH189687A - Device for sound reproduction in movie theaters. : de en
  • CH189800A - Process for the preparation of an insoluble azo dye. : de en
  • CA364844A - Railway car brake : en fr
  • CH189608A - Furniture with at least one resilient support. : de en
  • CH189802A - Disc play. : de en
  • DE642897C - Riveted connection for joining several layers of fabric : de en
  • FR810083A - Multipurpose transformation cabinet : en fr
  • CH189613A - Tilting lick-fry. : en fr
  • US2074049A - Photographic recording of sound : en
  • CA364883A - Indicia marking and packaging machine : en fr
  • CH189804A - Process for increasing the corrosion resistance of alloys of aluminum with 3 to 16% magnesium. : de en
  • GB463015A - Improvements in the construction of the stators of dynamo electric machines : en
  • US2073944A - Container loading apparatus : en
  • US2074107A - Adjustable fastening device : en
  • CH189649A - Process for the production of an acidic wool dye. : de en
  • CH189718A - Method for cooling machine parts by means of a heat transport medium remaining in a cavity. : de en
  • GB462970A - Improved apparatus for suppressing interference in wireless : en
  • CA364718A - Paper stock working method and apparatus : en fr
  • CA364777A - Textile material coloration : en fr
  • CH189695A - Sintered hard metal alloy. : de en
  • FR810374A - Umbrella refinements : en fr
  • US2074132A - Temperature control device : en
  • US2073966A - Stove : en
  • DE642675C - Device for duplicating originals provided with printable mirror writing : de en
  • CA364816A - Centralized railway traffic controlling system : en fr
  • US2073769A - Furnace : en
  • FR810051A - Apparatus for the compression, suction or delivery of gases or liquids : en fr
  • FR810091A - Hanging hook and felling station using this hook : en fr
  • GR6371B - FUN GAME TABLE POLO. : el en
  • US2073856A - Sight : en
  • DE642967C - Ash removal device for mechanical furnaces : de en
  • DE642777C - Process for heating pipe dryers Schulz design : de en
  • DK52827C - Cooling device at the Drive Wheels for Combustion Turbines. : da en
  • FR810186A - Hollow wall and floor building construction system : en fr
  • DE642810C - Ferromagnetic light control device, especially for the production of optical sound recordings : de en
  • US2074164A - Metallurgical apparatus and process : en
  • US2073687A - Cellulose derivative products : en
  • US2073902A - Noiseless typewriter : en
  • US2073927A - Adhesive composition : en
  • US2074315A - Box : en
  • CA364836A - Boot and shoe machine : en fr
  • CA364788A - Centrifugal separator : en fr
  • CH189731A - Process for the production of an electrical insulating material. : de en
  • US2074179A - Anthraquinone dyestuffs : en
  • US2073936A - Loom harness : en
  • AU84336A - Improvements in or relating to electron-image tubes : en
  • CA364741A - Drop-out fuse : en fr
  • CH189571A - Cattle tying device. : de en
  • GB462704A - The production of tubular metal cases, such as cartridge cases : en
  • CH189678A - Pneumatic cocking device for automatic firearms. : en fr
  • CA364812A - Rotary piston machine : en fr
  • US2073938A - Solvent and plasticizing composition : en
  • US2074152A - Combined filter and automatic relief damper : en
  • CA364783A - Centrifugal separator : en fr
  • CA364823A - Refrigerator car door : en fr
  • CH189812A - Process for the preparation of the acetate of 3.6-dimethoxy-10-methyl-acridinium hydroxide. : de en
  • CA364871A - Cleating machine : en fr
  • DE642707C - Process for the activation of non-charred or pre-charred carbonaceous substances using activation gases : de en
  • DE642825C - Mercury vapor rectifier, in particular with a metal wall, with built-in bodies which partly surround the anode and partly are arranged in front of the anode face : de en
  • US2073848A - Method of assembling frames : en
  • US2074224A - Drawing wire : en
  • USD103623S - Design for a carpet or similar : en
  • US2074097A - Typewriting machine : en
  • US2074124A - Combined stoker and fire door : en
  • CH189801A - Process for the production of a new azo dye. : de en
  • CA364722A - Rotary hammer tool : en fr
  • DE642831C - Signal box for drainage systems : de en
  • GB462997A - Improvements in or relating to synchronous electric motors : en
  • DE642927C - Armor plate with particularly high bullet resistance : de en
  • CH189589A - Urinal with intermittent water jet caused by the weight of the person. : en it
  • CH189715A - Method for operating steam turbines. : de en
  • FR810120A - Gear shifting for automobiles and similar systems : en fr
  • GB462841A - Improvements in card clothing for the flat stripping and brushing rollers of cardingengines : en
  • GB463131A - Improvements in or relating to welding rods and method of making same : en
  • CA364834A - Weighing device : en fr
  • US2073761A - Draft gear : en
  • CA364785A - Centrifugal separator : en fr
  • CA364802A - Coloured roofing granule manufacture : en fr
  • CA364884A - Skate : en fr
  • US2073937A - Esters of polycarboxylic aromatic acids : en
  • CH189776A - Closure device attached to a container and allowing the flow of its contents. : en fr
  • CA364813A - Fertilizer sowing device : en fr
  • US2073766A - Air valve for use in inflated balls : en
  • CA364707A - Method and apparatus for sewage waste disposal : en fr
  • US2074001A - Means for truing mandrels : en
  • US2074218A - Mechanism andi method of marking : en
  • DE642739C - Process for the production of animal feed : de en
  • GB463051A - Improvements in and relating to tempering of glass sheets : en
  • CA364809A - Cut-out : en fr
  • GB463016A - Improvements in or relating to operating mechanism for work holding jaws of chucks for machine tools : en
  • CH189667A - Perpetual physiological calendar. : en fr
  • US2073896A - Hollow panel : en
  • CH189746A - Device for dental work to be introduced into the mouth and to be used on both sides of the edge of the jaw while avoiding injuries to the body parts delimiting the oral cavity. : de en
  • CH189774A - Illuminated advertising facility. : de en
  • FR810230A - Improvements to high frequency receivers with automatic sensitivity settings and dynamic reproduction of sound amplitudes : en fr
  • FR810353A - Process for obtaining zinc coatings by electrolysis : en fr
  • FR810330A - Improvements to television synchronization devices : en fr
  • IE14216L - Shotgun cartridge cases; plastics : en
  • US2073954A - Ergot alkaloid and process for : en
  • CH189641A - A method and apparatus for producing lead oxide in powder form. : en fr
  • CH189728A - Automatic boiler feed water valve. : de en
  • US2073777A - Webbing support for upholstered furniture : en
  • CH189606A - Blanket. : de en
  • DK52816C - Battery Flashlight. : da en
  • US2074071A - Garment protector : en
  • US2073754A - Lamp stand : en
  • US2074050A - Ventilated rubber cushion heel pad : en
  • GB462843A - Improvements in short-wave transmitters for aerial and marine navigation : en
  • DE642956C - Method of preserving smoked fish : de en
  • GB462814A - Improvements relating to bucket dredges and similar endless conveyor mechanisms : en
  • GB462932A - Improvements in or relating to kinematograph film strips, more particularly for colour film : en
  • FR810372A - Football game or similar game : en fr
  • GB462842A - Process and apparatus for the storing and giving up of heat : en
  • AU400997B2 - Production of lactones and keto acids : en
  • CA364858A - Mixing machine : en fr
  • US2074204A - Hydraulic apparatus : en
  • US2073648A - Container sealing composition : en
  • CH189710A - Progressive gear change device. : en fr
  • CH189711A - Hand crank transmission. : en fr
  • US2073740A - Gas main stopper : en
  • US2074086A - Colorimeter plunger : en
  • GB462788A - Electron discharge devices : en
  • NL40329C - : en
  • DE628100C - Process for the cyanidation of gold-bearing ores : de en
  • GB462830A - Electric calculating apparatus more particularly designed for firing problems : en
  • US2074143A - Lubricating apparatus : en
  • US2073891A - Means for interchanging the functions of complementary heat exchange elements : en
  • US2074309A - Process for the preparation of anthraquinonedisulphonic acids : en
  • CA11366S - Kite : en
  • DE642850C - High heel nailing machine : de en
  • FR810327A - Fluid conditioner diverter : en fr
  • DE642957C - Milk heater for steam heating : de en
  • US2074073A - Concrete distributing apparatus : en
  • DE642788C - Device for reducing the groundwater upwelling that occurs when emptying shipping and works canals : de en
  • DE642857C - Device for electro-hydraulic electrode control for electric arc furnaces : de en
  • DK52819C - Goods delivery cabinet. : da en
  • USD103589S - Design for a shoe or similar : en
  • US2073819A - Stapling machine : en
  • USD103651S - Design for a coin bank : en
  • FR810153A - Navigation instrument : en fr
  • FR810250A - Combustion device on boilers, in particular on boilers with elements for central heating : en fr
  • GR6368B - CAR BUMPER TO AVOID THROWING UNDER THE WHEELS OF THIS ROAD WATER. : el en
  • US2073716A - Display device : en
  • US2073746A - Bottle cleaning device : en
  • US2074101A - Dump trailer : en
  • USD103558S - Design fob a smoker s stand : en
  • DE642815C - Automatic spring-loaded ring valve : de en
  • FR810297A - Soda manufacturing process : en fr
  • GR6378B - APPLIANCE KEEPED A BOOK AND OPEN TO ANY DISTANCE AND ANGLE IN RELATION TO THE READER. : el en
  • GB462955A - Improvements in hammocks : en
  • US2074052A - Apparatus for cleaning the interior of tanks : en
  • US2074090A - Chick box : en
  • CA364753A - Bottom sealing for movable dam structures : en fr
  • GB462737A - Improvements in socket wrenches : en
  • US2074272A - Hose supporter : en
  • CH189576A - Stairway. : de en
  • GB463037A - Improved method and apparatus for treating and incinerating sewage sludge or the like waste material : en
  • US2073614A - Bread box : en
  • US2073624A - Method of decorating metallic surfaces : en
  • GB462692A - Improvements in or relating to the manufacture of polishing wax compositions : en
  • CH189621A - Apparatus for drawing off liquids. : en fr
  • FR810198A - Contactor improvements : en fr
  • GB462690A - Manufacture of copper-containing monoazo dyestuffs : en
  • GB462859A - Improvements in or relating to vehicles for refuse and other materials : en
  • US2073814A - Nonslip surfaces for paving blocks : en
  • US2073876A - Core barrel : en
  • US2074283A - Process and a plant for the ventilation of closed rooms : en
  • FR810203A - Method of recording oscillations : en fr
  • FR810205A - Improvements to telephone sets with microphone and receiver remote from the user : en fr
  • US2073699A - Slip : en
  • GB462869A - Method of and apparatus for the magnetic recording and reproduction of sound : en
  • DE568455C - Inlay for treating the periodontal membrane : de en
  • GB462803A - Improvements in hydraulic control mechanism for the change wheels and clutches of machine tools : en
  • GB462811A - Improvements in or relating to cigarette cases or containers : en
  • CA364757A - Rubber article finishing machine : en fr
  • CH189635A - Method and machine for tying shoe uppers. : de en
  • US2073622A - Process and apparatus for refining mineral oils : en
  • US2074254A - Solvent refining of lubricating oil : en
  • USD103584S - Design for a shoe : en
  • GB462813A - An improved electric light reflector : en
  • US2073995A - Alkyl cresols : en
  • US2074180A - Tennis ball holder : en
  • USD103612S - Design for a scarf : en
  • FR810314A - Device for driving and locking a rotation shaft by means of a single reduction gear : en fr
  • GB462742A - Building material, mainly for road building and isolation purposes : en
  • US2073985A - Two cycle engine : en
  • DE642793C - Filter device for chemical washing fluids : de en
  • GB463055A - Improvements in or relating to the manufacture of catalytic materials : en
  • GB462964A - Improvements in projection chamber bearings in apparatus for photogrammetrically plotting oblique photographs taken from aircraft : en
  • US2073646A - Revolution counter : en
  • CA364727A - Covering construction : en fr
  • GB462854A - Improvements in and relating to wash boilers : en
  • US2074028A - Apparatus and method for drying and incinerating sewage and waste material : en
  • DE642742C - Protection device for the driver of motorcycles in the event of a fall : de en
  • DE642835C - Container for yarn u. like : de en
  • FR810290A - Combustion thermo-regulator for domestic heating appliances : en fr
  • US2073786A - Polishing machine : en
  • CH189624A - Circular loom. : en fr
  • FR810232A - Device for irradiating liquids : en fr
  • GB462651A - Improvements relating to windscreen wipers : en
  • USD103621S - Design for a burial casket : en
  • GB462857A - Improved method and apparatus for the cleaning of heat interchanger elements and the like by pressure fluid : en
  • GB463049A - Improvements in and relating to dough moulding machines : en
  • US2074304A - Locomotive stoker : en
  • US2074011A - blackman : en
  • US2074080A - Ladder mending device for knit goods : en
  • USD103563S - Design for a ceiling lighting : en
  • CA364743A - Dynamo cooling system : en fr
  • CA364800A - Fuse : en fr
  • US2074010A - Bituminous pavements of high structural strength and method of making same : en
  • US2074308A - Grinding machine : en
  • USD103601S - Design for a copy holder : en
  • CA364797A - Coating composition : en fr
  • GB462685A - Improvements in or relating to machines for trimming or cutting out workpieces : en
  • CH189581A - Sand spreader. : de en
  • US2073672A - X-ray tube and cathode structure therefor : en
  • US2074051A - Keyboard control mechanism : en
  • US2073968A - Highway marker : en
  • FR47346E - Improvement in electro-magnetic relays : en fr
  • FR810176A - Improvements to electron beam lamps and their circuits : en fr
  • US2073865A - Spark plug : en
  • CH189772A - Pneumatic burglar alarm device. : de en
  • GB462791A - Improvements in the manufacture and treatment of articles containing cellulose derivatives : en
  • GB462832A - Control of selectivity in radio receivers : en
  • GB462834A - Improvements relating to vices : en
  • GB462914A - Improvements in apparatus for raising liquids by compressed air : en
  • USD103573S - Design for a photographic camera : en
  • CA364851A - Cable sheath defect locating method : en fr
  • CH189592A - Glass tempering process, machine for carrying out this process and object obtained by this process. : en fr
  • FR810339A - Improvements to t receptors. s. f. : en fr
  • FR810138A - Device for adjusting the torques of electric traction motors and the like : en fr
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