• US2152212A - Ditcher and packer machine : en
  • PL28001B1 - A method of purifying and softening water, and an apparatus for carrying out the method. : en pl
  • US2152071A - Preparation of stable cellulose esters : en
  • US2151928A - Apparatus for measuring temperature : en
  • US2152336A - Method and device for remote tuning of radio receiving apparatus : en
  • US2152441A - Match paoketing machine and method : en
  • AU110638A - Improved retirable sanitary pan : en
  • AU111322B2 - An improved spinning bait for angling : en
  • USD114037S - Design for an ensemble dress : en
  • CA380384A - Copper alloy : en fr
  • CA380326A - Vacuum cleaner : en fr
  • CA380355A - Transmission drive : en fr
  • US2152234A - Television system : en
  • US2152578A - Logging truck standard : en
  • GB503056A - Improved circuit comprising gasfilled discharge tubes connected in parallel : en
  • PL28103B1 - : en pl
  • DE673619C - Optical device, especially on a basic range finder or viewfinder for photographic cameras : de en
  • US2152276A - Controlling apparatus for highway crossing signals : en
  • US2152384A - Railway traffic controlling apparatus : en
  • CH203874A - Process for the preparation of a water-soluble monoazo dye. : de en
  • PL28107B1 - A method for producing ammonium nitrate and an apparatus for carrying out the method. : en pl
  • AU106954B2 - Electron discharge apparatus : en
  • CH203816A - Magnetron circuit for ultrashort waves. : de en
  • FR839190A - Smoking device : en fr
  • CH203779A - Transmission system for intermittent multiple transmission using a pulse train method, in particular for remote measurement, remote control, telephony, telegraphy. : de en
  • US2151825A - Fluid compressor : en
  • US2152434A - Alloy steel : en
  • US2152402A - Ankle joint structure for artificial limbs : en
  • US2152363A - Deflecting device for braun tubes : en
  • US2151850A - Hydraulic hand : en
  • PL28108B1 - Infantry grenade launcher or mortar with a recoil damper. : en pl
  • US2152532A - Bleaching with organic bleaching agent : en
  • USD114026S - Design for a bottle : en
  • FR839261A - Working process for cupolas : en fr
  • US2151798A - Building brick or block : en
  • CH203669A - Nozzle for pouring vessels. : de en
  • US2152085A - Coiffure for plastic figures and method of making the same : en
  • US2151805A - Process for the treatment of patent flat stock and low grade : en
  • USD113963S - Design fob a checker board : en
  • AU106965B2 - Improvements in or relating tothe protection of filter circuits in systems of electrical signalling overpower lines : en
  • DE673820C - Conveyor belt : de en
  • FR839175A - Removable clamp : en fr
  • CH203759A - Rotary piston machine. : de en
  • USD113988S - Design fob a lamp : en
  • US2151828A - Parking device for automobiles : en
  • US2152309A - Apparatus for plotting the site plan for a landscape : en
  • DE673910C - Oil burner with a circumferential oil supply pipe arranged centrally within an air supply pipe : de en
  • GB502832A - Improvement by a new method of manufacturing solid materials by melting or cooling or both while under the influence of centrifugal force : en
  • GB503106A - Improvements in electric discharge tubes : en
  • DE673943C - Subdivided camshaft for multi-cylinder internal combustion engines or the like. : de en
  • FR839125A - Improvements in refining, using solvents, hydrocarbon oils : en fr
  • PL28121B1 - A method of increasing the colorability of products made of cellulose, cellulose derivatives or other organophilic tall polymers. : en pl
  • US2151749A - Welding control system with polarizing relay : en
  • CH203666A - Steam cooker for the extraction of fruit and vegetable juices. : de en
  • GB502933A - An improved combined clockwork and direct action percussion fuze : en
  • AU109638A - Improvements in or relating to automatic gain control circuits in radio andother carrier wave receivers : en
  • CH203873A - Process for the preparation of a water-soluble monoazo dye. : de en
  • CA380462A - Solid fuel processing : en fr
  • CH203849A - Single or multi-pole catenary with curve holders. : de en
  • GB503069A - Improvements in and relating to methods of and instruments for measurement of length : en
  • FR839198A - Method and device for removing and recovering solvent residues from liquids, especially selective solvent residues from hydrocarbon oils and similar liquids : en fr
  • DE673716C - Frame support for shoe glue presses : de en
  • US2151944A - Agitator : en
  • US2151954A - Engine starter : en
  • US2152329A - Duplex communication apparatus : en
  • PL28085B1 - A trolley cutter with at least two electric drive motors. : en pl
  • CA380364A - Laminated glass : en fr
  • GB503023A - Improvements in or relating to control apparatus employing electric discharge devices for producing electric current impulses : en
  • US2152090A - Concrete form tie wire tightener and fastener : en
  • US2151788A - Acid addition compounds of higher fatty acid amides : en
  • DE673908C - Electric spot welding machine in which the electrodes are moved by pistons : de en
  • GB502850A - Improvements in or relating to the coating of press-buttons and the like with colouring liquids : en
  • US2152353A - Roentgen photography : en
  • US2152478A - Electric switch gear : en
  • US2152605A - Deck house : en
  • DE673970C - Process for the production of alkali nitrates : de en
  • AU106963B2 - Improvements in and connected with folding wire mattresses andthe like : en
  • US2152539A - Retractable undercarriage for aircraft : en
  • PL28109B3 - Device for cutting synthetic threads with a rotating nozzle. : en pl
  • US2152223A - Shuttle : en
  • US2152444A - Seal bearing : en
  • GB502991A - A new or improved kneader for kneading machines : en
  • DE673718C - Mechanical artillery fuse : de en
  • AU384638A - Improvements in hydraulic turbines : en
  • CA380337A - Web section applying mechanism : en fr
  • CH203694A - Process for the preparation of a dye of the anthraquinone series. : de en
  • GB503081A - Improvements in or relating to fluid operated jacks : en
  • GB503320A - Improvements relating to apparatus for storing card indexes or other suitable articles in trays or containers : en
  • DE673834C - Process for the flush insertion of individual flush-mounted sockets for electrical installation devices : de en
  • DE673842C - Process for the preparation of neutral, water-soluble derivatives of 3, 3'-diamino-4, 4'-dioxyarsenobenzene : de en
  • GB502836A - Improvements in containers for dispensing materials : en
  • US2151959A - Roof truss : en
  • US2152356A - Apparatus for decorating glassware : en
  • USD113972S - Design for a billiard table : en
  • US2151689A - Bottle closure sealing band : en
  • US2151772A - Telegraph line circuit : en
  • DE673485C - Process for the preparation of 1-ascorbic acid : de en
  • US2152271A - Dispensing container : en
  • US2152450A - Switch : en
  • DE673735C - Circuit arrangement to limit the duration of calls for telephones with self-loading devices : de en
  • GB502844A - Improvements in or relating to hermetically sealed metal capsules or like containers : en
  • CA380421A - Moulded sponge manufacture : en fr
  • CH203690A - Process for preparing para-isopropyl-alpha-methyl-hydrocinnamic aldehyde. : en fr
  • GB502824A - Outlet valves for flushing cisterns and the like : en
  • GB502922A - Improvements in or relating to pulverized fuel engines : en
  • GR8090B - KOMI WAVING TOOL. : el en
  • CA380356A - Container : en fr
  • GB502946A - Improvements in and relating to blade drums for radial flow turbines : en
  • CA380373A - Engine starter : en fr
  • DE673841C - Process for the preparation of alkamine esters : de en
  • US2152084A - Brake : en
  • US2152536A - Liquid coating composition : en
  • PL28064B1 - Air filter. : en pl
  • FR839188A - Manufacturing process for lactones : en fr
  • FR839310A - Loading process for cupolas : en fr
  • GB503024A - Improvements in and relating to electric discharge devices : en
  • GB502915A - An improved method and means for connecting pistons to a revolvable shaft : en
  • CH203686A - Plant for the dehydration of organic liquids by azeotropic distillation in the presence of a carrier body. : en fr
  • US2152203A - Hand sewing machine : en
  • US2152463A - Electric circuit : en
  • US2152181A - Toe iron : en
  • PL28090B1 - A device for determining corrections depending on the relative speed of movement of the target. : en pl
  • US2151855A - Compressor for carbon dioxide snow : en
  • US2151945A - Phenolic resins : en
  • US2152590A - Strip fastener : en
  • FR839311A - Electric control device operated by a door : en fr
  • USD113987S - Design fob a comfortable : en
  • US2152376A - Hand brake : en
  • US2152407A - Road oiling machine : en
  • US2152573A - Automobile : en
  • GB503041A - Improvements in or relating to electric transformers : en
  • GB502854A - Improvements in or relating to charge-forming devices for internal combustion engines : en
  • GB502951A - Improvements in ambulance litters : en
  • DE673961C - Process for removing resin formers from gases obtained by adsorption or the like : de en
  • DK55987C - Fertilizer Spreading Machine. : da en
  • PL28091B1 - Platinum catalyst and method of its production. : en pl
  • FR839102A - Process for preparing dyes of the phthalo-cyanine series : en fr
  • FR839243A - Suspension backrest for filing boxes : en fr
  • GB502977A - Method of and apparatus for forming receptacle screw caps : en
  • GB503116A - Improvements in machines for sterilising empty bottles, jars or other containers by u.v. or other rays and in mechanism therefor applicable to machines for washing, draining or drying bottles or other containers : en
  • FR839111A - Photocopying machines : en fr
  • FI18428A - A device for gluing a strip of paper with an adhesive to a desired surface : en fi
  • USD114048S - Design fob a house dress : en
  • DE673844C - Circuit arrangement for telephone systems : de en
  • US2152010A - Station selection : en
  • US2152105A - Brake : en
  • US2152265A - Sickle guard : en
  • US2152284A - Method of heat treating and apparatus therefor : en
  • US2152490A - Protective apparatus : en
  • US2152556A - Strain gauge : en
  • US2152433A - Dry cell : en
  • FR839234A - Process for producing improved fibrous materials : en fr
  • US2151993A - Ball ejector : en
  • US2152417A - Necktie : en
  • US2152476A - Tractor attachment for wheels : en
  • US2152596A - Welding apparatus : en
  • DE673698C - Device for the automatic application of polishing compound to the floor : de en
  • GB502961A - Improvements in the manufacture and production of carbon compounds poor in hydrogen : en
  • GB503200A - Improvements in the recovery of phenols from resins of phenols and aldehydes : en
  • DE673857C - Process for separating foreign metals from ammoniacal copper solutions : de en
  • FR839324A - Improvements to delayed electrical systems : en fr
  • FR839137A - Chrysene compounds and dyes : en fr
  • USD113962S - Design fob a king : en
  • US2151748A - Cowl ventilator : en
  • US2152438A - Poultry food : en
  • US2151919A - Locking device : en
  • US2152278A - Mower : en
  • GB503104A - Improvements in vehicles for the transport of animals : en
  • AU106948B2 - Improvements in and relating to underfeed stokers : en
  • DK55976C - Procedure for the Production of Aneurin. : da en
  • DE673861C - Fast photographic lens : de en
  • US2151708A - Trigger for machine guns : en
  • US2151968A - Fountain doctor : en
  • US2152621A - Base for color copying screens : en
  • GB502980A - Improvements in colour-light signals : en
  • US2152163A - Purification of salts of aliphatic acid esters of polybasic inorganic acids : en
  • US2151935A - Apparatus for handling liquids : en
  • US2152357A - Process for manufacture of chlorinated hydrocarbons : en
  • US2152505A - Reversible seat and squab : en
  • GB503035A - Improvements in or relating to forehearths for molten glass : en
  • US2151901A - Apparatus for the measurement of radiating energy such as exposure meters : en
  • CA380418A - Garter waist : en fr
  • GB502950A - Ambulance litters adapted to be taken apart : en
  • US2152261A - Stove : en
  • US2152484A - Embalming : en
  • PL28101B1 - Electric flashlight in which the light bulb is moved relative to a fixed reflector along its axis. : en pl
  • PL28084B1 - Telescopic shaft. : en pl
  • BE432939A - x-ray machine : en fr
  • CA380353A - Can coating method : en fr
  • CA380408A - Railway car truck : en fr
  • DE673917C - Roller for rolling mills for processing rubber compounds or the like. : de en
  • FR839187A - Advanced device for the control with automatic adjustment of fuel injection pumps of internal combustion engines : en fr
  • FR839260A - Device enabling the extinction and re-ignition of gas burners from a distance : en fr
  • GB503405A - Improvements in the spinning of artificial silk : en
  • AU106973B2 - Improvements in axle-counting equipment for railway signalling : en
  • DE673836C - Control device in which a process is controlled as a function of the change in length and the speed of a flexible member : de en
  • US2151809A - Stem for electron discharge devices : en
  • US2152252A - Lawn mower : en
  • CH203747A - Gear processing machine. : de en
  • CH203774A - Control valve on refrigeration systems for the refrigerant flow to the evaporator. : de en
  • CH203795A - Electric gas discharge tube. : de en
  • PL28052B1 - Engine tender with a device for mechanical fueling of a steam engine. : en pl
  • US2151913A - Wire belt : en
  • US2152248A - Trihexosan-carboxylic acid salts and process of making same : en
  • FR839345A - Device for adjusting the number of revolutions of internal combustion injection engines : en fr
  • DE673955C - Arrangement for stabilizing the parallel operation of two generators or power plants : de en
  • FR839264A - Method and arrangement for tempering glass : en fr
  • DE673997C - Combined arc induction furnace : de en
  • IE15489L - Milk cooling apparatus : en
  • FI18421A - Serial chair theaters y.m. for : en fi
  • FR839293A - Device with a luminescent pattern set on or integral with a background : en fr
  • GB503082A - Improvements relating to electric incandescent lamps : en
  • US2152335A - Short wave system : en
  • US2152263A - Method and apparatus for preventing offset in printing : en
  • CH203682A - Wooden sole for footwear. : de en
  • US2151903A - Electric lamp and socket construction : en
  • US2151732A - Hinge : en
  • US2152553A - Saddle for cycles : en
  • FI18432A - Anordning för anbringande av pappersmassa, Cellulosa o.dyl. på viran i pappersmaskiner, cellulosaavvattningsmaskiner o.dyl. : en fi
  • US2151994A - Automatic stock quotation board : en
  • US2152574A - Air conditioning apparatus : en
  • PL28034B1 - Freewheel bicycle hub with reverse brake and gear clutch. : en pl
  • US2152412A - Pencil sharpener : en
  • CA380460A - Projection screen : en fr
  • FI18422A - Tillförselventil för friskluft förvörning förnning i samband med en radiator : en fi
  • US2151970A - Instrument for the solution of the astronomical triangle : en
  • US2152311A - Seamless rubber figure : en
  • US2152099A - Detachable shoe heel : en
  • US2151697A - Pregnancy antigen : en
  • US2152397A - Harness cord for looms : en
  • USD114005S - Design for a bottle : en
  • CH203821A - Television recording device. : de en
  • AU104638A - A method of and means for controlling the operation of heat-operated absorption refrigerating apparatus : en
  • DE673843C - Heating or cooling jacket for containers : de en
  • US2152208A - Frankfurter broiler : en
  • USD113966S - Design for a combination desk unit : en
  • AU419138A - Improvements in electrical water heaters ofthe immersion element class : en
  • CA380332A - Carroting process : en fr
  • CA380394A - Alkali phosphate : en fr
  • CH203758A - Pulley with electrical control. : de en
  • PL28014B1 - Stiffening device in the form of breast supports for breastplates in corsets and bras. : en pl
  • US2151814A - Superheterodyne receiving circuits : en
  • FR839207A - New system of mortar or cement concrete blocks for the elevation of masonry walls : en fr
  • AU317538A - A process of manufacturing butter : en
  • CA380402A - Circuit breaker : en fr
  • DE673969C - Washing method : de en
  • US2152066A - Brake : en
  • US2151974A - Machine for assembling shoe parts : en
  • US2151758A - Method of resistance welding : en
  • US2151897A - Electrical connector : en
  • US2152320A - Adding and calculating machine : en
  • DE673726C - Station display device for radio equipment : de en
  • FI18409A - Letter and document container lock : en fi
  • FR839277A - Advanced dispatcher intended for telephone networks for transmission of messages by carrier frequency, in particular for radio transmission by wire : en fr
  • PL28120B1 - A method of vulcanizing items made of sponge or cellular rubber or a similar material. : en pl
  • US2151861A - Girder : en
  • US2152551A - Valve : en
  • DE673624C - Lock for doors of all kinds with locking by spring-loaded retaining claws in the locking piston that encompass the bolt : de en
  • US2152409A - Two-speed differential : en
  • US2152475A - Signaling system : en
  • DE673746C - Device for shielding building spaces by means of air curtains against cold air ingress : de en
  • DE673768C - Bagging system with an endless track on which the conveyor wagons are fed to a number of workplaces : de en
  • GB503061A - Improvements in or relating to photographic cameras : en
  • US2152006A - Method of producing articles of hadfield manganese steel : en
  • US2152334A - Lubricating device : en
  • CA380368A - Automobile heater : en fr
  • GB502988A - Improvements in and relating to the production of lead titanate pigments : en
  • AU133338A - Method of and machine for manufacturing egg pulp : en
  • US2151984A - Colored aromatic phosphate : en
  • US2152155A - Method of protecting vacuum-creating equipment of distilling plants : en
  • CH203827A - Process for producing the casing of a packaging. : de en
  • US2152254A - Apparatus for water culture of vegetation : en
  • US2152613A - Acid indolephenylmethane dyestuffs : en
  • USD113995S - Design fob a compact : en
  • US2151948A - Apparatus for effecting refrigeration : en
  • DE673866C - Machine with a revolving roller fitted with a card-framing roller : de en
  • DE673807C - Two-stroke internal combustion engine with longitudinal flushing and radially directed flushing slots controlled by the working piston and distributed over the entire cylinder circumference : de en
  • GB503042A - Propellers and method of making same : en
  • US2151684A - Mustard container : en
  • FI18414A - Restrictions on the definition of the structure of the lamellar structure and on the basis of the number of cases : en fi
  • US2151836A - Boat : en
  • GB502918A - Improvements in and relating to liquid insulating compositions : en
  • DE673658C - Method of preventing swash plates from orbiting : de en
  • GB502883A - Improvements in and relating to insulating materials for electric conductors : en
  • CA380376A - Tractor tire chain : en fr
  • FR839141A - Optical system with four reflective surfaces : en fr
  • FR839289A - Improvements to assemblies to obtain sawtooth tensions, in particular with the aim of deflecting cathode beams in television : en fr
  • US2151995A - Refrigerating apparatus : en
  • US2152355A - Direction indicator for vehicles : en
  • USD113996S - Design for a compact : en
  • GB503123A - Improvements in condensers for vapours, particularly condensers for use in cabin airheaters : en
  • FR839227A - : fr
  • GB502892A - Improvements in light cooking stove operated by liquid gas : en
  • US2152045A - Body operated switch apparatus for timing x-ray exposures : en
  • US2152236A - Insecticide : en
  • US2152251A - Air conditioning apparatus : en
  • US2152349A - Tag fastening device : en
  • USD113971S - Design fob a lighting fixture : en
  • US2152126A - Heating device : en
  • DE673683C - Process for printing cardboard and paper webs : de en
  • US2152542A - Toy : en
  • DE673779C - Process for the production of acetylene from carbide and water with the production of practically dry hydrated lime : de en
  • PL28030B1 - Machine for planting potatoes, beets and larger seeds, e.g. peas, beans. : en pl
  • PL28104B1 - Construction of hollow-block ceilings. : en pl
  • AU121638A - Improvements in or relating to slidable condensers having spiral electrodes : en
  • CH203769A - Pistons for internal combustion engines with a protective ring provided on the edge of the piston crown. : de en
  • PL28000B1 - Impingement fuse for projectiles. : en pl
  • DE673894C - Portable drinking water filter : de en
  • DE673923C - Two-stroke internal combustion engine : de en
  • DK55982C - Candy tongs. : da en
  • FR839316A - Assembly of removable liners for engine cylinders : en fr
  • PL28054B1 - Device for producing image grids in television sets. : en pl
  • IE15263L - Electric lamps : en
  • US2151823A - Coin chute : en
  • DE673903C - Display device for the electrical system of a motor vehicle equipped with an internal combustion engine : de en
  • FR839146A - Suspension, in particular for motor vehicles : en fr
  • GB502985A - Improved means for and method of lubricating the bearings of journals : en
  • US2151943A - Fruit opening machine : en
  • CA380430A - Dish washing machine : en fr
  • US2151863A - Vapor-liquid separator : en
  • US2152033A - Balancing system : en
  • US2151774A - Reduction of noise : en
  • US2152396A - Wire drawing lubricant and method : en
  • FI18419A - Förfaringssätt framställning av et medel till förhindrande av mögelbildning å väggar, tak ochnike platser : en fi
  • FR839259A - Process for casting alloys, in particular copper alloys, in metal molds : en fr
  • DE673812C - Friction gear transmission with parallel-axis friction cones : de en
  • US2151721A - Process for treatment of hydrocarbons : en
  • US2151782A - Pilot light for ovens : en
  • US2151938A - Lifesaving light : en
  • US2152031A - Roll paper cutter : en
  • DE667330C - Console milling machine : de en
  • DE673689C - Electric regulator : de en
  • DE673761C - Combined roller and grinding disc holder : de en
  • DE673951C - Double windows, especially for rail vehicles : de en
  • FI18439A - Gastryckspåverkat eldvapen : en fi
  • FR839336A - Control device for airplanes : en fr
  • USD114006S - Design fob a bottle : en
  • GB502940A - Improvements in and relating to electric switches of the liquid-brake extinguishing chamber type : en
  • GB502967A - Improvements in and relating to storage and like equipments : en
  • GB502983A - Feeding mechanism for sewing machines : en
  • GB502976A - Electronic discharge devices of the electron multiplier type : en
  • US2152253A - Hub cap : en
  • CH203685A - Intestines cleaning machine. : de en
  • AU108538A - Improvements in or relating to machines for performing a marginal cutting operation upon soles : en
  • CH203867A - Process for the preparation of a disazo dye. : de en
  • FR839279A - Reaction-driven blades for radial injection steam or gas turbines and turbines fitted with such blades : en fr
  • GB503198A - A method of and carburettor for obtaining carburetted air for internal combustion engines : en
  • GB503110A - Improvements in and relating to spectacle and like cases : en
  • FR839173A - Photographic enlargement and reproduction apparatus : en fr
  • US2152123A - Automatic vehicle control system : en
  • US2152168A - Camp stove : en
  • US2152188A - Process for treating material containing copper and tin : en
  • US2152191A - Preparation of di(arylamino) anthraquinones : en
  • FR839172A - Photographic enlargement and reproduction apparatus : en fr
  • PL28029B1 - A protector protecting the flanges of the fire tubes against burnout. : en pl
  • US2152189A - Steel construction : en
  • US2152491A - Gas-port cooler : en
  • US2152561A - Impression roller for duplicators : en
  • US2151744A - Thermostat : en
  • USRE21036E - Floor covering : en
  • US2151982A - Automatic sprinkler : en
  • US2152382A - Wrapping of cigarettes and other articles : en
  • USD113978S - Design for a building block : en
  • US2151872A - Prefabricated billboard : en
  • FR839263A - Elastic suspension, in particular for motor vehicles : en fr
  • DE673532C - Oil burner with bowl-shaped evaporator plate : de en
  • GB502912A - Improvements relating to moving and changing display or advertising apparatus : en
  • GB502834A - Improvements in or relating to wireless receiving apparatus : en
  • FR839278A - Transmitting device used to generate guidelines : en fr
  • PL28033B1 - Drive block for motor vehicles, especially with curved shapes. : en pl
  • USD113984S - Design for an inhalation mask : en
  • GB503321A - Improvements in or relating to torque and shock resisting devices for use in horticultural or agricultural machines : en
  • DE673561C - Mercury spring thermometer : de en
  • FR839106A - Conductor device for electrical fuses : en fr
  • IE15613L - Cellulose ether fibres : en
  • FR839117A - Method and device for initiating and modulating ultra-high frequency electromagnetic oscillations : en fr
  • US2151899A - Process for the production of colored picture films : en
  • USD113964S - Design for an overshoe : en
  • FR839350A - Advanced bituminous composition : en fr
  • DE673882C - Process for the production of rubber-insulated cables : de en
  • GB503034A - Wet-method process of metallization : en
  • DE673737C - Remote or local control system : de en
  • FR839145A - Utensil for quick cleaning of fish : en fr
  • GB502877A - Improvements in or relating to the production of ornamental textile fabrics : en
  • DE673611C - Throwing device at self-sellers for pouring energy : de en
  • GB502835A - Improvements in or relating to photo-electric cells : en
  • GB503138A - Improvements in or relating to electric motor control apparatus, particularly for motor traction coaches for electric railways : en
  • GB503141A - Improvements in or relating to roller tools for machines for staking, softening and similarly treating hides, skins, leather and the like : en
  • US2152258A - Time delay combination lock : en
  • CA380450A - Skate : en fr
  • US2151761A - Collapsible box : en
  • US2151961A - Clutching and driving mechanism : en
  • DE673534C - Manufacture of boron carbide : de en
  • DE673630C - Fluid turbo transmission with two turbo circuits (converter and clutch) for diesel locomotives : de en
  • GB502876A - Improvements in cartons : en
  • US2151951A - Electromagnetic recording system : en
  • PL28056B1 - Driving device for the shaking sieve with return movement. : en pl
  • DE673939C - Process for separating fire schist from coal : de en
  • GB503101A - Improvements in and relating to electric protective devices : en
  • AU23738A - An improved junction box for electric cables or conductors : en
  • FR839312A - Elastic frame for bicycles and motorcycles : en fr
  • FI18411A - The generator and the feed generator are used for cleaning : en fi
  • GR8093B - ELECTRICAL INSTALLATION FOR HOME. : el en
  • FR839275A - Device for combustion engines for fuel preheating : en fr
  • GB503219A - Sadiron : en
  • US2152082A - Poultry bleeding and steaming machine : en
  • US2152319A - Connecting electrode unit for neon signs : en
  • GB503067A - Improved garment for protection against flames, heat or gases : en
  • GB502957A - Improvements in or relating to processes for rendering anti-corrosive and colouring aluminium or its alloys : en
  • DE673839C - Notepad holder : de en
  • GR8096B - IRRIGATION SYSTEM. : el en
  • DE673788C - Device for periodic closing and opening of electric circuits : de en
  • DE674341C - Winch for power lines leading to a tether helicopter : de en
  • GB502794A - Improvements in automatic lathes : en
  • GB503058A - Improvements in or relating to needle-thread tensioning devices for sewing machines : en
  • DE673757C - Hammer mill with air sifting : de en
  • DK55968C - Stand for Buster or Sweaters. : da en
  • GB503189A - Improvements in and relating to tobacco feeding mechanism for cigar making machines : en
  • US2151768A - Telescope mount for firearms : en
  • FR839339A - Monolithic concrete constructions and multi-element metal reinforcement : en fr
  • US2152184A - Potential supply means for radio apparatus : en
  • US2151759A - External combustion engine : en
  • US2151911A - Expansion joint : en
  • US2151729A - Leg elevator for operating chairs : en
  • US2151997A - Radio antenna for motor vehicles : en
  • USD114000S - Design for a vending machine casing : en
  • CH203711A - Ski with three layers glued together in a bent position. : de en
  • AU226638A - Improvements in or relating tothe protection of filter circuits in systems of electrical signalling overpower lines : en
  • AU360738A - Improvements in electric discharge lamps : en
  • BE432678A - Asbestos cement casings, in particular for pipes : en fr
  • AU364238A - Packing, wrapping and container materials and process for making. thesame : en
  • GB502827A - Improvements in ceramic electric insulating bodies : en
  • SU14077A1 - Wheelbarrow with a device for immediately capturing a whole cage or a stack of bricks : en ru
  • DE673806C - Knuepfer for straw presses and other agricultural machines with a tongue that is pivotably mounted in a recess in the lip of a circulating body : de en
  • GB503046A - Improvements in water distributing devices for washing and lavatory basins : en
  • GB503109A - Improvements in the production of castings of light metal : en
  • DE673793C - Process for the production of spirally twisted staple fibers from homogeneous films : de en
  • DE673763C - Spreader camera : de en
  • PL28059B1 - The method of smoking food products. : en pl
  • US2152443A - Brake applying and equalizing mechanism : en
  • FR839314A - Supercharging device for internal combustion engines : en fr
  • DE673896C - Manufacture of calcium phosphide : de en
  • FR839184A - Process for obtaining raw foods capable of being preserved and stored : en fr
  • DE673754C - Rotary jet sprinkler : de en
  • DE673985C - Circuit for radio receiver to screen out disturbing interference tones : de en
  • US2152370A - Hand steering wheel : en
  • DE673929C - Magnifying device with forced focusing : de en
  • GB502887A - Improvements in jointed couplings : en
  • US2152069A - Bridge construction : en
  • GB503142A - Improvements in or relating to cigarette packing machines : en
  • CA380383A - Magnesium alloy processing : en fr
  • CH203705A - Film switching device for roll film cameras. : de en
  • AU106986B2 - Compositions for treating soil : en
  • CA380461A - Leaf spring treatment : en fr
  • CH203728A - System for generating periodic flashes of high intensity. : de en
  • CH203731A - Pull winding and setting mechanism. : en fr
  • AU159438A - Improvements in bobbin' enclosure for textile twisting : en
  • CH203864A - Process for the preparation of a disazo dye. : de en
  • CA380358A - Container : en fr
  • AU236438A - Improvements in or relating to steam separating apparatus : en
  • CA380321A - Signal receiving means : en fr
  • US2151962A - Electric starter for combustion engines : en
  • US2151967A - Flesh foods and the preservation thereof : en
  • AU106975B2 - Improvements in automatic switches for use in telephone or like systems : en
  • CH203701A - Decalcifying device for gas-heated liquid heaters. : de en
  • DE673748C - Area knife for triangles and squares : de en
  • DE673931C - Apparatus for mechanical sound recording on picture sound films : de en
  • PL28071B1 - A method of making carbon paper from raw porous thin paper and an apparatus for carrying out the method. : en pl
  • US2152286A - Welding rod : en
  • US2152211A - Garment : en
  • US2152352A - Electric surfacing tool : en
  • GB502966A - Improvements in and relating to storage and like equipments : en
  • DK55986C - Vending machine. : da en
  • US2151784A - Golf bag support : en
  • US2152522A - Reel and a method of forming it : en
  • CA380338A - Ironing roll : en fr
  • US2152025A - Internal combustion engine electric unit : en
  • CH203680A - Zipper slider. : de en
  • CH203830A - Method for producing a casing for fragile objects, in particular for transport bottles. : de en
  • DE673979C - Process for making sound recordings on lenticular film : de en
  • CA380414A - Package wrap : en fr
  • AU106946B2 - Improvements in hydraulic turbines : en
  • CH203856A - Chip machine. : de en
  • CA380346A - Non-corrosive anti-freeze liquid : en fr
  • US2151785A - Electron discharge device : en
  • CH203806A - Lime dust inhaler. : en fr
  • CH203748A - Preservative for wood and other vegetable fibers. : de en
  • DE673725C - Pipeline with diffusion seal as explosion protection for flammable liquids : de en
  • AU106924B2 - Improvements in or relating to methods of producing basic green copper sulphate and stable copper hydroxide : en
  • FR839305A - Method and apparatus for centrifugal extraction : en fr
  • CH203741A - Process for processing the mass obtained from the exhaust gases of aluminum furnaces. : de en
  • US2151736A - Piezoelectric apparatus : en
  • US2152523A - Metal reel : en
  • CH203822A - Signal system with a delay device for triggering the signal, in particular for use in light signal systems for hotels, hospitals or the like. : de en
  • AU106952B2 - Improvements in or relating to adhesive sheet material : en
  • PL28006B1 - Swider with asymmetrical blades. : en pl
  • US2152147A - Conversion of hydrocarbon oils : en
  • AU371938A - Improvement in discharge device : en
  • CA380427A - Solid from liquid separating apparatus : en fr
  • US2152029A - Airplane wing construction : en
  • AU104938A - Improvements in roller canvas blinds : en
  • BE432936A - : en
  • AU106982B2 - Improvements in or relating to radio receiving apparatus comprising tuning facilitating means : en
  • DE673590C - Process for the production of Polyaminocarbonsaeurenitrilen, the corresponding acids and their Abkoemmlingen : de en
  • GB502992A - Improvements relating to the treads of tyre covers for road vehicles : en
  • AU103038A - Improvements in or relating to methods of producing iron-free copper solutions : en
  • PL27999B1 - The method of splitting heavy hydrocarbons. : en pl
  • US2151859A - Device for use in waving or curling hair : en
  • US2152113A - Hydraulic power transmission : en
  • US2152167A - Method of treating pulverulent material : en
  • US2152367A - Drying apparatus : en
  • PL28007B1 - Gas filter. : en pl
  • US2151743A - Automatic cutting machine : en
  • US2152009A - Molding device : en
  • US2152571A - Closure applying apparatus : en
  • DE673728C - Slide arrangement for machine tools : de en
  • US2151778A - Reduction of noise : en
  • US2152389A - Shoe press : en
  • PL28083B1 - Setting device. : en pl
  • US2152120A - Automatic control of clutch and throttle actuation of automotive vehicles : en
  • US2151746A - Compressor valve structure : en
  • US2152088A - Clutch control mechanism : en
  • US2152390A - Remote controlling apparatus : en
  • US2152027A - Suction cleaner for bag printing machines : en
  • US2152125A - Automatic unlocking separable connector : en
  • US2152610A - Heavy duty fiberboard keg : en
  • PL28098B1 - A method of determining distances using very short electric waves. : en pl
  • US2152101A - Method and apparatus for making capsules by submerged filling action : en
  • US2152372A - Nitrated pentaerythritol motherliquor : en
  • USD113961S - Design for a vending machine cabinet : en
  • FR839185A - Azo dyes and their manufacturing process : en fr
  • CH203775A - Process for the manufacture of high voltage cables. : de en
  • CA380393A - Alkali sub-silicate product : en fr
  • CH203835A - Motor vehicle. : de en
  • DE673722C - Slide for downward conveying of piece goods : de en
  • DE673942C - Circuit for generating very short electrical waves using several discharge tubes : de en
  • DE673963C - Electrically heated overflow hot water storage tank : de en
  • CA380453A - Shortening measuring device : en fr
  • CH203799A - Electric lamp with gas discharge tube. : de en
  • USD114011S - Design for a milk bottle : en
  • FR839343A - Improvements to additional elastic suspensions for motor vehicles : en fr
  • GB503000A - Improvements in or relating to means for controlling the fuel supply to internal combustion engines using pulverized fuel : en
  • PL28003B1 - The rifle potter. : en pl
  • US2151884A - Combined space and wired radio receiver : en
  • USD114021S - Design for a jacket : en
  • CH203753A - Cord bracelet for wristwatch. : en fr
  • FR839284A - New light printing system and economical method of obtaining the articles which may result : en fr
  • CH203683A - Method and machine for producing colored decorations, in particular on footwear. : de en
  • DE673801C - Hangers for curtains, curtains or the like. : de en
  • AU106979B2 - Suspensories : en
  • DE673797C - Glasses of high refractive power : de en
  • DE673934C - Automatic firearm with remote controlled trigger by compressed air : de en
  • AU235238A - Suspensories : en
  • CA380365A - Laminated glass : en fr
  • FR839168A - Improvements to machines for adjusting the tightness of the wicking thread on the rotating spools used in the manufacture of carpets : en fr
  • FR839326A - Refrigerating appliance for vending machines and similar machines : en fr
  • GB502944A - Improvements in and relating to method of and means for making paper : en
  • DE673742C - Electric light bulb in tube shape : de en
  • DE673952C - Machine for pressing dolls for galvanic elements : de en
  • CH203649A - Hot water tank. : de en
  • AU106838A - Improvements in or relating to adhesive sheet material : en
  • GB503091A - Automatic alarms and stopping device for internal combustion engines : en
  • AU105038A - Improvements in sheep shears : en
  • US2152501A - Gas fuel regulator : en
  • GB503191A - Improvements relating to electric switches of the switch and fuse enclosed type : en
  • CH203881A - Sound player. : de en
  • GB502888A - Improvements in or relating to the obtainment of a gas comparatively rich in krypton : en
  • PL28032B1 - Walk-behind clamping device, especially for free-running bicycle hubs. : en pl
  • US2152178A - Label printer : en
  • DE673572C - Device for the production of colored line raster images : de en
  • GB502833A - Improvements in water softening preparations : en
  • GR8085B - MATERIAL FOR FLOOR COVERING OF ALL KINDS. : el en
  • CA380316A - Dextrine manufacture : en fr
  • FR839281A - Improvements in the manufacture of combustible briquettes : en fr
  • GB503095A - Improvements in the production of electrodeposits of copper : en
  • GB502848A - Manufacture of water-soluble condensation products from aromatic aldehyde sulphonic acids : en
  • GB503074A - Improvements in and relating to electron discharge tubes : en
  • DE673840C - Standing gas washer : de en
  • USD114033S - Design for a lady s handbag frame : en
  • FR839155A - Retainer for curtains and window coverings and the like : en fr
  • PL28016B1 - for the photomechanical production of printing plates, a photosensitive colloidal layer, and an apparatus for carrying out the method. : en pl
  • CH203700A - Septic tank made of individual, transportable rings and working according to the digestion process with several chambers flowed through one after the other. : de en
  • US2152292A - Process for the production of alkyl ester salts : en
  • FI18433A - Kälke eller liknande fordon : en fi
  • FR839101A - Process for preparing dyes of the phthalo-cyanine series : en fr
  • US2152246A - Tank : en
  • US2152266A - Heat exchange equipment : en
  • FR839349A - Improvements in the treatment of textile materials : en fr
  • US2151934A - Window lock : en
  • US2152065A - Duplex master cylinder : en
  • AU108638A - Improvements in or relating to tape applying machines : en
  • US2151956A - Box strapping machine : en
  • US2151703A - Method of and means for cutting clothing : en
  • US2151831A - Shaft attachment : en
  • US2152107A - Can handling apparatus : en
  • US2152430A - Comb and reed for textile machines : en
  • US2152456A - Tumbler basket for collective dishwashing : en
  • FI18417A - Anordning med ett gasfyllt elektriskt urladdningsrör : en fi
  • US2151740A - Reduction of noise : en
  • US2152186A - Dyestuffs of the anthraquinone series : en
  • US2152577A - Parking meter : en
  • US2152599A - Automatic stop control mechanism for coin-operated machines : en
  • US2151978A - Heel : en
  • DK55974C - Process for the Preparation of Partially Esterified Compounds of the Dihydroestrin Range with Free Phenol-Hydroxyl. : da en
  • DE673872C - Smoldering furnace with movable, hollow heating walls : de en
  • PL28037B1 - Roll jaws for making self-threading screws. : en pl
  • US2152062A - Siphon-discharge apparatus : en
  • DE673738C - Contact instrument, especially for local or remote control or, if necessary, remote measurement using an auxiliary motor : de en
  • US2151987A - Refrigerating apparatus : en
  • US2152140A - Eraser cleaning machine : en
  • DE673782C - Filling device : de en
  • US2151752A - Compensator : en
  • US2152544A - Automatic brake adjuster : en
  • US2151846A - Finger-fit implement : en
  • US2151916A - Bomb : en
  • DE673867C - Device for the optical copying of sound films : de en
  • FR839244A - Method and apparatus for obtaining textile fibers and cellulose from plants or parts of plants : en fr
  • US2151793A - Positional receiver : en
  • FR839216A - Process for making yarns, sheets or other colored articles of viscose : en fr
  • US2151927A - Internal combustion engine : en
  • DE673965C - Self-acting firearm with sliding barrel and locked breech : de en
  • GB502853A - Improvements in or relating to the treatment of bristles : en
  • GB502930A - Improvements in or relating to refrigerating apparatus : en
  • GB503118A - Improvements in and relating to methods of and apparatus for stringing fourdrinier wires on a fourdrinier type paper making machine : en
  • USD114010S - Design for a coat : en
  • FR839251A - Device for washing, boiling and rinsing clothes in the apartment, without having steam or odor : en fr
  • FR839174A - Improvements in the construction of aircraft wings : en fr
  • US2151906A - Control system fob fuel buhners : en
  • US2152274A - Stencil attachment for spray guns : en
  • US2152374A - Frame for fire screens, etc. : en
  • DE673612C - Throwing device at self-sellers for pouring energy : de en
  • DE673694C - Stand-fed three-phase shunt motor, adjustable by brush shift : de en
  • FR839320A - Improvements to the assembly dowels of wood parts : en fr
  • GB503032A - Improvements connected with combined liquid and gas control valves : en
  • GB503065A - Improvements in levels and inclinometers : en
  • DE673581C - Device for displaying the fee level and the operating status at telephone stations, in particular coin-operated telephones : de en
  • DE673859C - Use of copper alloys for live bearings : de en
  • DE673958C - Electric heater for high temperatures : de en
  • US2152019A - Ice pack : en
  • GB503006A - Improvements in and relating to crankcases for internal-combustion engines having a plurality of radially mounted rows of cylinders : en
  • DE663042C - Locking device for the balance beam of rotary scales : de en
  • FR839246A - Improved continuous absorption machine : en fr
  • US2151770A - Transformer tank structure : en
  • DE673854C - Artificial Christmas tree with metal needlework : de en
  • DE673909C - Process for the preparation of monoazo dyes : de en
  • GB502878A - Improvements in smoke producing apparatus : en
  • US2152507A - Delineating multicolored designs on fabric : en
  • US2151734A - System of control for electric elevators : en
  • US2152525A - Construction of electric heating units and connecting parts therefor : en
  • US2152497A - Electric circuit breaker : en
  • GB502908A - Improvements in or relating to photographic shutters : en
  • US2151698A - Internal combustion engine : en
  • USD114018S - Design for a garment supporter : en
  • FR839344A - Windshield wipers for vehicles : en fr
  • CH203773A - Heavy duty gyro machine. : de en
  • US2151924A - Acceleration and deceleration control : en
  • US2152222A - Means for effecting intermittent treatment of running yarns and the like : en
  • US2152408A - Secondary disazo dyestuffs : en
  • FR839153A - Improvements to high voltage drop magnetic leakage bridge transformers : en fr
  • AU103138A - Improvements in or relating to methods of producing basic green copper sulphate and stable copper hydroxide : en
  • BE432589A - Improvements to bobbin winding machines : en fr
  • CH203757A - Support and lifting mast. : de en
  • PL28087B1 - Lamp for generating short electromagnetic waves. : en pl
  • US2152139A - Method of making mining machine chains and links therefor : en
  • US2152385A - Fishing rod : en
  • DE673736C - Electrical switch, in particular rotary installation switch : de en
  • DE673950C - Process for reducing the trickling of grained calcium cyanamide : de en
  • US2152202A - Invisible light finder : en
  • DE673871C - Resilient two-part pit stamp : de en
  • US2151875A - Method of turning wood heels : en
  • CH203751A - Container with a container closure designed for applying the container contents. : de en
  • GB502945A - Improvements in heating apparatus : en
  • US2151878A - Seismic surveying : en
  • PL27992B1 - Modulation system for radio and television transmitters. : en pl
  • PL28094B1 - Electric vibration amplifier with the gain depending on the amplitude of the amplified vibrations and also manually adjustable. : en pl
  • GB503135A - Improvements in and relating to ranges for fish frying and the like : en
  • GB502830A - Improvements in or relating to deflecting circuits for cathode ray tubes : en
  • US2152325A - Altitude determining system for aircraft : en
  • US2152517A - Screw and bolt driving and nut running machine : en
  • USD113985S - Design fob a vacuum cleaner : en
  • USD114016S - Design for an overall ensemble : en
  • CH203644A - Top, roof. : de en
  • USD114044S - Design for a dress ensemble : en
  • US2152342A - Permanent waving mechanism : en
  • FR839342A - New metal fishing rods : en fr
  • DE673804C - Punch card table machine with different printing units for group codes and amounts : de en
  • DE673935C - Arrangement for monitoring several measured quantities : de en
  • US2151841A - Casting copper cakes : en
  • US2152185A - Process for sulphurizing organic compounds having unsaturated linkages of an aliphatic character : en
  • FR839109A - Improvements to processes and apparatus for low and medium temperature carbonization : en fr
  • GB503075A - New or improved machine for spreading rivets : en
  • DE673930C - Cinema cassette : de en
  • DE673604C - Process for the production of absorbable cotton wool : de en
  • DE673936C - Air listening device for binaural direction determination : de en
  • FI18425A - Myntutlösningsmekanism för penningspelautomater : en fi
  • PL27994B1 - Chlinometer with an inclination indicator in the form of a rolling device, placed in a curved tube. : en pl
  • FR839110A - Injector device allowing the destruction of moths and other insects inside the upholstery of furniture : en fr
  • GB503137A - Improvements in and relating to regulators for gases : en
  • US2151847A - Metallic piling : en
  • US2152114A - Dust separator : en
  • US2152077A - Production of piled surfaces in pattern form : en
  • US2152485A - Master cylinder for hydraulic brakes : en
  • DE673978C - Process for the production of security paper : de en
  • DE673968C - Air setting process : de en
  • CA380371A - Engine starter : en fr
  • CA380463A - Range or stove : en fr
  • DE673744C - Hair comb with fluid delivery device to the ends of the comb teeth : de en
  • DE673819C - Conveyor belt : de en
  • GB503087A - Improvements in or relating to televison and like systems : en
  • AU106964B2 - Improvements in alumino-thermic welded rail joints andthe alumino-thermic process of welding railway rails in situ, andin apparatus therefor : en
  • US2151886A - Lifting device : en
  • US2151985A - Furniture : en
  • US2152285A - Ash receiver : en
  • US2151950A - Transmission : en
  • US2152294A - Air conditioning mechanism : en
  • USD114023S - Design fob a combination slide fas : en
  • US2151955A - Stator structure for dynamoelectric machines : en
  • US2152108A - Ore-breaking device : en
  • AU389538A - Improvements in or relating to rock crushers : en
  • PL28017B1 - : en pl
  • US2151902A - Galvanic cell and cover therefor : en
  • PL28026B1 - Connection for wafer pipes. : en pl
  • US2151674A - Solderless connector : en
  • US2151694A - Pressure fluid motor : en
  • US2151709A - Automatic railway switching system : en
  • US2151852A - Food handling apparatus : en
  • US2152116A - Venetian blind : en
  • US2152350A - Fluid pressure producing device : en
  • US2152245A - Cinder pot : en
  • CH203742A - Device for the automatic feed of oxy-fuel cutting torches. : de en
  • CH203812A - Dispensing mechanism of a self-seller, in particular a fully automatic self-seller for packages. : de en
  • CA380345A - Glass charge forming machine : en fr
  • CH203740A - Process for the production of manganese by electrolytic means. : de en
  • US2151964A - Supporting hook for garment hangers : en
  • USD113999S - Design for a vending machine casing : en
  • PL28051B1 - The method of producing a hydrogenation catalyst. : en pl
  • CH203665A - Side part fittings, in particular on reclining and seating furniture. : de en
  • CA380381A - Communication system : en fr
  • CH203640A - Device for protecting plants by means of a protective hood. : de en
  • AU393138A - Improvements in and relating to underfeed stokers : en
  • DE673720C - Protective roof for conveyor : de en
  • AU106980B2 - Improvements in or relating to cooling arrangements for air-cooled aircraft engines : en
  • AU201638A - Separators for electric accumulators : en
  • CA380401A - Circuit breaker : en fr
  • AU102138A - Improvements in and connected with swimming pools andthe like : en
  • CA380374A - Engine starter : en fr
  • CH203676A - Electric handheld vacuum cleaner. : de en
  • CH203725A - Electric public address transmission system. : de en
  • DE673895C - Gas- and liquid-tight wall made of corrosion-resistant material for absorption, washing u. like towers : de en
  • CH203861A - Process for the preparation of a water-soluble condensation product. : de en
  • PL28093B1 - The method of manufacturing objects made of steel hardened by nitriding. : en pl
  • CH203722A - Driving monitoring device, in particular for motor vehicles. : de en
  • GB503018A - Improvements in machine tools for machining work of non-circular cross-section, moreparticularly ingots : en
  • CA380348A - Motor control mechanism : en fr
  • CH203807A - Apparatus for making permanent hair waves. : de en
  • CA380354A - Can coating method : en fr
  • US2152537A - Detachable fitting : en
  • DE673790C - Adjustable single-phase core transformer for welding purposes : de en
  • SU54633A1 - A device for spilling liquids equal measure : en ru
  • US2152437A - Helical fin wrapping machine : en
  • US2152072A - Retaining means for punches : en
  • US2152103A - Glass forming machine : en
  • CA380438A - Cellulosic material processing : en fr
  • DE673741C - Carbon brushes for high speed electrical machines, especially for electrical machines with slip rings : de en
  • GB578728A - Improvements in or relating to sear mechanism for machine guns : en
  • CH203823A - Balloon probe with a device to limit the height of the probe. : de en
  • FR839331A - High frequency choke, consisting of a multi-layered coil : en fr
  • CA380409A - Hog carcass treatment : en fr
  • FI18435A - Anordning förhindra slirning av med gummiringar försedda hjul på fortskaffningsmedel : en fi
  • GB502842A - Improvements in or relating to roller mills : en
  • GB503195A - Improvements in and relating to automatic and other gramophones : en
  • DE673796C - Method and device for the production of foam glass : de en
  • FR839229A - Water vapor cooler with water injection : en fr
  • GB503047A - Improvements in the manufacture of balls for games : en
  • GB503225A - Improved process of producing a cement-forming material : en
  • AU116538A - Arrangements for removing currents from the outer surface of a coaxial transmission line, particularly when used in combination with a radio antenna : en
  • CH203820A - TV tube. : de en
  • CH203738A - Process for the production of fittings from hard alloys. : de en
  • CH203729A - Twenty-four hour clock. : de en
  • US2151762A - Contact rectifier : en
  • US2152014A - Folding seat : en
  • US2152162A - Purification of aqueous solutions of aliphatic esters of polybasic inorganic acids : en
  • US2152354A - Shoe counter : en
  • DE673780C - Line setting and conveyor device for cash registers and accounting machines : de en
  • PL28011B1 - Edging device for carrying worsted or carded wool. : en pl
  • US2151822A - Film marking device : en
  • US2152044A - Automatic clutch shifter : en
  • US2152131A - Pneumatic tire : en
  • GB502852A - Improvements in mixing device for fluids : en
  • US2152422A - Safety device for volatile liquid storage tanks : en
  • FR839151A - Vulcanizable and vulcanized mixtures of organic materials capable of forming films : en fr
  • GR8097B - ΣΟΣΙΒΙΟΝ ΣΚΑΦΑΝΔΡΟΝ. : el en
  • AU332138A - Improvements in or relating to casing or casing parts : en
  • CA380333A - Tobacco conveying and feeding apparatus : en fr
  • AU106917B2 - Improvements relating to driving pitmans : en
  • DE673981C - Sliding door for baking, drying and similar ovens with an eccentric thumb shaft : de en
  • FI18434A - Equipment combination for bus heating, ventilation and window drying : en fi
  • US2151802A - Grinding wheel trimming device : en
  • GB502932A - Improvements in or relating to coaxial conductor cables : en
  • AU309238A - Means for heating and for effecting ozonisation ofthe air supply tothe fuel of internal combustion engines : en
  • FR839267A - Electromechanical gas igniter, with safety device to prevent the escape of extinguished gas : en fr
  • GB502924A - Improved appliance for removing a free-wheel unit from the hub of a cycle or like wheel : en
  • US2152059A - Clutch operating mechanism : en
  • USD114008S - Design fob a bottle : en
  • US2151824A - Pencil eraser tip : en
  • CH203772A - Magneto. : de en
  • CH203642A - Wall arch girders. : de en
  • CA380454A - Aircraft engine and heater : en fr
  • CH203664A - Sofa convertible into a bed. : de en
  • GB502984A - Improvements relating to garages or parks for vehicles : en
  • GB502885A - Carbureter : en
  • USD114031S - Design for a yarn reel : en
  • GB502947A - An improved manufacture of protective paper for photographic purposes : en
  • CA380343A - Photographic emulsion : en fr
  • DE673713C - Epicyclic gears, especially for motor vehicles : de en
  • FR839282A - Assembly device, on two-wheel tractors, for various plows or other additional tools : en fr
  • GB503064A - Improved picture hanger : en
  • CA380398A - Lead refining process : en fr
  • US2151877A - Display apparatus : en
  • USD114042S - Design fob a dress : en
  • DE673631C - Placement of mercury vapor rectifiers on vehicles : de en
  • FR839322A - Process for the preparation of an activated depolarizer from natural manganese oxides : en fr
  • DE673880C - Signal transmission system with change of damping controlled by the signal currents : de en
  • AU105438A - Improvements in or relating to single sideband modulated carrier wave transmitters : en
  • CA380403A - Circuit breaker : en fr
  • US2152200A - Snow plow : en
  • GB502978A - Improvements in sheets, windows, lenses and other optical devices and other objects formed of so-called "plastic glass" material : en
  • US2152403A - Valve tappet : en
  • US2151754A - Oscillation generator : en
  • US2152326A - Collar button : en
  • DE673848C - Electric flashlight with a foldable handle as a power switch : de en
  • US2151681A - Perforator : en
  • US2151741A - Loading machine : en
  • US2152510A - Stoker : en
  • DE673803C - Compression vacuum gauge : de en
  • DE673853C - Leg and frame corner connection for tables, chairs, armchairs, stools or the like. : de en
  • GB502843A - A process for the separation of phenol and oxydiphenols : en
  • US2152373A - Valve stem and method of constructing same : en
  • PL28024B1 - Method of dyeing and printing with ester salts of leuco compounds of vat dyes. : en pl
  • US2152047A - Preserving and disinfecting media : en
  • DE673856C - Device, especially for mixing or carrying out slag creations for liquid metal : de en
  • US2152011A - Coasting skate : en
  • PL28027B1 - Protective cap on the head of the boiler unit. : en pl
  • US2151801A - Vaporproof luminaire : en
  • US2151940A - Automatic cut-off valve : en
  • AU106961B2 - Improvements in or relating to machines for performing a marginal cutting operation upon soles : en
  • CH203824A - Remote counter. : de en
  • SU54669A1 - Piston pump : en ru
  • CH203668A - Vessel for vacuum preservation, especially of food and luxury foods. : de en
  • US2152432A - Device for warp leasing : en
  • DE673693C - Device for ventilation of rectifiers with the help of a fan driven by a controllable alternating current series motor : de en
  • GB502917A - Improvements in spring heels for footwear : en
  • DE673614C - Throwing device at self-sellers for pouring energy : de en
  • GB502894A - Improvements in or relating to the production of textile yarns : en
  • GB502886A - Improvements in or relating to baking ovens : en
  • FR839217A - Process for making yarns, sheets or other animal articles : en fr
  • PL28035B1 - Steering device for trailers of motor vehicles. : en pl
  • FR839134A - Improvements to automatic tuning of radio receivers : en fr
  • FR839197A - Device for centrifuge bowls and its manufacturing method : en fr
  • FR839247A - Automatic firearm : en fr
  • GB503003A - Improvements in or relating to the arrangement of exhaustdriven charging-blowers on multicylinder internal combustion engines : en
  • GB503140A - Improvements in and relating to processes and materials for treating textiles : en
  • FR839160A - Protection device for high voltage direct current power transmission installations : en fr
  • FR839248A - Improvements to transmission belts : en fr
  • CH203859A - Process for the production of a new textile auxiliary. : de en
  • GB502994A - Improvements in and relating to jigs or the like for constructing or assembling flatworkpieces : en
  • US2152133A - Safety device : en
  • DE673700C - Double-walled Isoliergaefaess : de en
  • DE673904C - Lateral support for winding parts located in slots in the effective iron of electrical machines with cooling channels running along their flanks : de en
  • DE673613C - Throwing device at self-sellers for pouring energy : de en
  • FR839161A - Manufacturing process of heating radiators with assembled elements : en fr
  • GB503112A - Improvements in high-pressure mercury-vapour electric discharge devices : en
  • DK55989C - Piston, in particular for internal combustion engines. : da en
  • USD113959S - Design fob a finger ring : en
  • FI18424A - Anordning vid avbarkningsmaskiner : en fi
  • GB502931A - A process for the production of smooth edges in electro-deposited coatings on non-conductors : en
  • DE673906C - Electric flashlight with flat housing for operation with two rod cells connected in series : de en
  • FR839330A - Propulsion or lift device for airplanes or other applications : en fr
  • FR839328A - Improvements in sandal making : en fr
  • CH203645A - Sideways sliding double window with drawer. : de en
  • FR839258A - Superheterodyne receiver intended for shortwave reception : en fr
  • GB502907A - Process for producing shrinkage effects in textiles : en
  • IE15750L - Sulpho-carboxylic esters : en
  • US2152273A - Corn picker : en
  • US2152483A - Casket handle : en
  • FR839135A - Process for obtaining liquids with a high content of noble gases with a higher boiling point than oxygen : en fr
  • US2151819A - Elevator control system : en
  • DE673982C - Method and device for drying malt : de en
  • US2152581A - Transmission control mechanism : en
  • DE673570C - Advertising slide for the projection of advertising images : de en
  • DE673988C - Multi-circuit receiver with automatic shrinkage control : de en
  • FR839169A - Incandescent electric lamp : en fr
  • US2151926A - Control means for bus switches : en
  • CH203732A - Waterproof control push-button chronograph. : en fr
  • CA380313A - Nickel production : en fr
  • US2152001A - Collapsible tube and cap therefor : en
  • GB502879A - Improvements in lighters, igniters and similar apparatus : en
  • GB503205A - Manufacture of chlorinated hydrocarbons : en
  • GB503475A - Improvements in apparatus for continuously electro-plating strip metal stock : en
  • US2151753A - Circuit arrangement for protecting electric discharge apparatus systems : en
  • US2152493A - Apparatus for fastening attachment loops to sanitary napkins : en
  • US2152528A - Mold : en
  • CH203844A - Cable tensioning device, in particular for toboggan cableways : de en
  • CA380465A - Steel strip production : en fr
  • CH203811A - Punching register machine. : en fr
  • US2151702A - Container : en
  • US2151883A - Method of and means for effecting anionic exchanges in solutions : en
  • PL28018B1 - A method of producing an anti-freckle agent. : en pl
  • US2151773A - Reduction of noise : en
  • US2152159A - Tire pressure indicating device : en
  • US2152512A - Chjcb : en
  • USD114027S - Design for a pin-clip : en
  • BE432561A - : en
  • US2151679A - Vacuum apparatus : en
  • US2152142A - Wrapping machine : en
  • CH203887A - Tube. : de en
  • CA380422A - Metal plate embossing apparatus : en fr
  • US2152137A - Apparatus for stitching assemblies : en
  • CH203763A - Fuel regulators for internal combustion engines. : de en
  • CH203792A - Method of manufacturing an electric discharge tube. : de en
  • GB503073A - Improvements in and relating to aircraft motor cowling : en
  • CH203689A - Process for cleaning the electrolyte in chlor-alkali electrolysis. : de en
  • CH203837A - Steering on motor vehicles. : de en
  • DE673838C - Petrol safety lamp with electric ignition : de en
  • AU106918B2 - Improvements in or relating to gummed tape : en
  • AU106931B2 - Process for producing hydrocarbons bythe catalytic conversion of carbon monoxide with hydrogen : en
  • CA380361A - Cellulose web drying apparatus : en fr
  • US2151804A - Current collector : en
  • US2152499A - Master cylinder for hydraulic brakes : en
  • US2152119A - Buckle : en
  • USD114013S - Design fob an ash receiver : en
  • AU106968B2 - Improvements in electrical water heaters ofthe immersion element class : en
  • US2152502A - Electric iron : en
  • US2151971A - Apparatus for surface hardening the teeth of double helical gears : en
  • US2152288A - Sheet delivery mechanism for printing presses or the like : en
  • CA380455A - Paper manufacture : en fr
  • CH203786A - Device with adjustable inductivity, arranged on a magnetizable core high-frequency winding. : de en
  • DE673805C - Garbage collector for binding mower : de en
  • US2152127A - Method of making piston rings : en
  • US2152279A - Towing device for trucks and the like : en
  • BE432869A - : en
  • AU197338A - Refractory products and process of making thesame : en
  • US2151722A - Torque and speed transmission device : en
  • CH203832A - Method and device for conveying flour-like or fine-grained material in conveyor troughs. : de en
  • US2151690A - Bottle closure sealing band : en
  • US2152593A - Method of preparing yeast raised dough for baking : en
  • US2151957A - Method of creasing the joints of books : en
  • US2152233A - Split line weight : en
  • CA380391A - Alkali sub-silicate : en fr
  • CA380323A - Radio system : en fr
  • CA380428A - Barbed wire : en fr
  • PL27998B1 - Regulator valve for flushing waste. : en pl
  • PL28043B1 - Anode for the production of peroxygen compounds. : en pl
  • US2151799A - Tubular resistor and support therefor : en
  • US2152150A - Quarry drill frame : en
  • US2151672A - Coin controlled postage marking machine : en
  • US2152569A - Block press : en
  • DE662955C - Evaporator device for liquid fuels, in particular for supplying internal combustion engines : de en
  • AU256238A - Improvements in or relating to cooling arrangements for air-cooled aircraft engines : en
  • CH203744A - Machine tool with rotatable tool carrier head and in this tool spindles rotatably mounted radially to its axis. : de en
  • CH203752A - Method and device for coating snap fasteners, safety pins and the like made of magnetizable metal with coloring liquids by means of a spraying process. : de en
  • PL28040B1 - Apparatus for the insertion of pneumothorax. : en pl
  • CA380339A - Distilling plant vacuum equipment protection : en fr
  • CH203771A - Magneto. : de en
  • CH203782A - Discharge tube. : de en
  • CH203834A - Convertible automobile body. : en fr
  • US2152453A - Operating mechanism : en
  • US2152306A - Method of removing metal obstructions from wells : en
  • USD114002S - Design for an embroidered textile : en
  • CA380330A - Phosphate coated ferrous article production : en fr
  • CA380350A - Axle housing : en fr
  • CA380378A - Coated metal article manufacture : en fr
  • CH203678A - Tie and collar holders. : de en
  • FR839165A - Improvements to container closures : en fr
  • FR839292A - Process for manufacturing yarns, filaments, sheets and other similar products based on cellulose esters : en fr
  • US2152302A - Lock for tool holders : en
  • AU122338A - Improvements in and connected with folding wire mattresses andthe like : en
  • AU279238A - Improvements in or relating tothe electrodeposition of zinc : en
  • US2151769A - Hydrogenated terpene ether : en
  • US2151989A - Apparatus for copper welding or heat treating tubing or other long lengths of metal : en
  • US2152378A - Piano bench music cabinet : en
  • PL28048B1 - Modulating system. : en pl
  • US2151720A - Orthopedic footwear with footsupporting plate : en
  • US2152400A - Container : en
  • US2152618A - Amplifier system : en
  • GB503062A - Improvements in and relating to turbine casings : en
  • PL28008B1 - A method for removing grains from semi-finished products, rolled from plain and flat ingots, and a device for carrying out this method. : en pl
  • US2151794A - Roof construction and roofing element therefor : en
  • US2152228A - Electrical incandescent lamp for series connection : en
  • CH203656A - Grating and cutting machine for fruit, bread and the like, to be screwed to the edge of the table. : de en
  • FR839164A - Nail scissors : en fr
  • CH203810A - Cash register. : de en
  • CH203850A - Trolley catch reel. : en fr
  • PL28070B1 - A method of cleaning light oils. : en pl
  • US2152583A - Hair waving machine : en
  • US2151838A - Single-revolution cylinder printing press : en
  • US2151965A - Hair clipper : en
  • USD113968S - Design for a slipper : en
  • US2151725A - Air circulating attachment for heating radiators : en
  • US2152564A - Rotary fluid motor : en
  • DE673953C - Device for connecting electrical equipment to high voltage overhead lines : de en
  • GB503057A - A mixture of unsaturated bodies : en
  • FR839122A - Process for the production of aralkyl ethers of cellulose : en fr
  • FR839193A - Process for the preparation of an aldol condensation product from carbonyl compounds : en fr
  • GB503085A - Improvements in or relating to the sealing of electrodes in electron discharge devices : en
  • GB502825A - Improvements in or relating to the compression of heels for boots or shoes : en
  • US2152003A - Insecticide and fumigant : en
  • US2152509A - Method in the preparation of progressive-burning smokeless powder : en
  • GB503021A - Improvements in or relating to snap-action electric switches : en
  • CA380324A - Foot valve : en fr
  • GB503113A - Improvements in and relating to ventilating and the like fans : en
  • PL27995B1 - Device for adjusting the angle of inclination of two wing wings of the airplane with respect to its fuselage, placed one behind the other at different heights with respect to the fuselage. : en pl
  • US2151890A - Press for cutting cardboard : en
  • US2151930A - Treating fur skins : en
  • US2151933A - Method of forming a cuprous oxide rectifier element : en
  • US2152005A - Engine starter : en
  • US2152543A - Control mechanism for motor vehicles : en
  • PL28081B1 - Electromagnetic decoupler. : en pl
  • GB502851A - Improvements in stacking and unstacking devices : en
  • GB503476A - Improvements in and relating to the manufacture of stable mixtures containing laevo-ascorbic acid or other endiols : en
  • DE673926C - Heating system for heating grain preparers and dryers : de en
  • BE432922A - : en
  • US2152415A - Manufacture of knitted goods : en
  • US2152068A - Venetian shade : en
  • US2152380A - Wheel machining apparatus : en
  • US2151986A - Dross sifter : en
  • FR839210A - Device for automatically immobilizing the movable sashes of sash windows at determined heights : en fr
  • GB502881A - Improvements in and relating to amplifying systems : en
  • GB502890A - Improvements in methods for the production of composite images : en
  • PL28112B1 - : en pl
  • DE673885C - Method for bonding materials : de en
  • GB502919A - Improvements in methods for protecting luminescent materials from deterioration under the combined action of the atmosphere and light : en
  • GB503052A - New and improved catalyst for oxidation of olefins : en
  • FR839271A - Process for manufacturing fuels from agricultural products in all forms: briquettes, pellets, etc. : en fr
  • US2152318A - Method of making gin : en
  • USD114029S - Design fob an automobile : en
  • CA380400A - Circuit breaker : en fr
  • DE673688C - Amplifier with a two-circuit band filter : de en
  • GB503028A - Improvements in or relating to apparatus for and a method of making rustic bricks : en
  • DE673719C - Feather basket-like cannette holder : de en
  • DE673753C - Cutting unit for mowing machines : de en
  • DE673755C - Trap : de en
  • FI18436A - Velocipedstöd : en fi
  • FR839149A - Movable coupling between motor and drive wheel in the individual axle control of rail vehicles : en fr
  • FR839206A - Process for the recovery of glycerin from waste printing rolls : en fr
  • DK55983C - Twine holder. : da en
  • FI18429A - The scope of this Regulation does not apply to cellular economies : en fi
  • FR839105A - Improvements to heating and ventilation equipment : en fr
  • GB502927A - Refrigerating apparatus : en
  • FR839203A - Amplifier systems : en fr
  • FR839298A - Anthraquinone Series Tank Dyes : en fr
  • GB502923A - Improvements in locking devices for machine guards or shields : en
  • GB503038A - Improvements in stays for retaining doors, windows or the like : en
  • GB503068A - Improvements in zinc alloys : en
  • US2151866A - Recording precipitation gauge : en
  • GB503072A - Improvements in or relating to steam power plants employing steam generators of the flow-through type : en
  • GB503391A - Improvements in and relating to methods of and apparatus for scanning in television systems : en
  • GB502828A - Improvements in machine tools for machining work of non-circular cross section, moreparticularly ingots : en
  • US2152622A - Variable ratio power transmission : en
  • US2151731A - Chain : en
  • US2152337A - Rail retaining tie plate : en
  • FI18418A - Electric lamp with inbyggd smältsäkring : en fi
  • US2151771A - Electron tube circuits : en
  • US2151973A - Burner unit : en
  • US2152608A - Controller for electric welder and other circuits : en
  • USD113989S - Design fob a textile fabric : en
  • DE673798C - Powder compact with lid and lipstick holder : de en
  • US2151915A - Welding apparatus : en
  • US2152056A - Sealed unit : en
  • US2152130A - Air conditioning system : en
  • US2152377A - Depth gauge for rakes : en
  • US2152466A - Vaporizer : en
  • US2152602A - Food product : en
  • FR839112A - Anthraquinone dyes : en fr
  • US2152410A - Apparatus for the preparation of coffee infusions : en
  • GR8089B - CHEMICAL PREPARATION I MAKE FLAMMABLE MATERIALS. : el en
  • US2151941A - Measuring apparatus : en
  • CH203659A - Atomizers for paste-like masses, in particular polishing masses. : de en
  • US2152308A - Method of preventing infiltration in wells : en
  • US2151960A - Printing method and apparatus : en
  • US2152619A - Method of and apparatus for providing filtered water for power purposes and the like : en
  • GB502847A - Improvements in or relating to closures for bottles and like containers : en
  • FR839319A - Process for the preparation of flour of wheat or other cereals : en fr
  • DK55971C - Method for Manufacturing Amorphous Elemental Silicon. : da en
  • US2152446A - Melting pot : en
  • US2151820A - Elevator control system : en
  • FR839300A - Improvements to internal combustion turbines : en fr
  • PL28028B3 - A spring device that facilitates the lifting of the couch lid. : en pl
  • PL28068B1 - A method of catalytic treatment of fuel for engines. : en pl
  • US2151711A - Rayon crepes and their method of manufacture : en
  • FR839123A - Method and apparatus for the manufacture of agglomerates : en fr
  • DE673956C - Device for protecting transformer windings against traveling waves : de en
  • DE673959C - Process for the production of overhanging patterns on jacquard flat knitting machines with three lock arrangement : de en
  • US2152043A - Selective pressure cooling for engines : en
  • US2152174A - Card case : en
  • FR839191A - Hand-held watering device and its support : en fr
  • DE673621C - Route change vehicle with automatic locking of the steerability of the wheels when switching the wheel system from pavement to rail travel : de en
  • DE673922C - Depositing device for hunting rifles on high seats : de en
  • DE673751C - Device for taking oil samples from power machines : de en
  • DE673858C - Process and device for remelting and refining light metal waste : de en
  • DE673877C - Manufacture of permanent magnets : de en
  • DE673706C - Ignition current distributors for engines : de en
  • DE673995C - Arrangement for the periodic introduction of the arc of an arc converter by means of an auxiliary voltage applied to an auxiliary electrode : de en
  • US2151905A - Electric contact combination : en
  • US2152296A - Advertising device : en
  • GB502849A - Method of winding endless artificial silk threads or filaments on bobbins in artificial silk spinning machines : en
  • GB503120A - Improvements in or relating to pocket handkerchiefs : en
  • CA380386A - Smoker's accessory : en fr
  • CH203840A - Single-chamber pressure medium brake for trailer vehicles. : de en
  • US2151917A - Radio apparatus : en
  • FR839270A - Improvements to the electric resistance welding process : en fr
  • PL28073B1 - A method of drying peat and similar materials and a device for using this method. : en pl
  • GB502925A - Improvements in and relating to the manufacture of can bodies having a solder bonded side seam : en
  • DE673762C - Device for dampening running webs of paper or the like. : de en
  • GB502793A - Improvements in and relating to hydraulic servo-mechanism applied to a gun or turret mounting : en
  • US2151826A - Container and closure : en
  • USPP322P - Dahlia : en
  • DE673810C - Automatically closing valve when exposed to heat : de en
  • US2152611A - Method of making composite metallic elements : en
  • DE673769C - Padded lid for chocolate boxes and. like : de en
  • US2152299A - Advertising novelty : en
  • US2152388A - Spring shackle : en
  • DE673966C - Process for coloring small parts made of non-magnetizable materials, such as pushbuttons or similar fasteners, using the spraying process : de en
  • FR839232A - Method and device for electrically controlling the nozzle needles for injection pumps : en fr
  • USD114020S - Design foe a jacket : en
  • DE673938C - Process for the production of even coloring on velvety leather : de en
  • GB502829A - Improvements relating to sterilised containers for liquids and to closure devices and discharge fittings therefor : en
  • GB502911A - Improvements in and relating to electric discharge lamps : en
  • FI18426A - Fiskdrag : en fi
  • CH203651A - Method and device for cladding plaster supports. : de en
  • PL28038B1 - Round weaving loom. : en pl
  • PL28066B1 - A carrier telecommunications apparatus incorporating a similar back-up generator in addition to a carrier wave generator for powering the transmitter or transmitters. : en pl
  • US2152152A - Dental investment or refractory material : en
  • US2152482A - Noise suppressor : en
  • CH203777A - Insulating material. : de en
  • CH203818A - Circuit to facilitate the tuning of a radio receiver. : de en
  • CA380369A - Folding machine device : en fr
  • US2151783A - Secondary electron discharge tube : en
  • US2152199A - machado : en
  • US2152269A - Absorption refrigerating apparatus : en
  • US2152496A - Electric switch : en
  • US2152037A - Internal combustion engine : en
  • PL28115B1 - A method of producing a fiber for the production of explosives and artificial silk. : en pl
  • US2151909A - Polishing machine fixture : en
  • USD113992S - Design fob a bedspread : en
  • US2152545A - Pencil sharpener : en
  • FI18438A - Cylinderlås : en fi
  • FR839323A - Process for the preparation of an activated depolarizer from natural manganese oxides : en fr
  • FI18410A - Förfaringssätt for framställning av soda : en fi
  • GR8092B - METHOD OF PRODUCTION, TURNING AND GRINDING OF CEMENT MASON TILES. : el en
  • DK55992C - Clamp for attaching a luggage carrier to a bicycle. : da en
  • GB503096A - Improvements in or relating to motor operated brakes : en
  • US2152048A - Power jack : en
  • US2152100A - Automatic electric toaster : en
  • US2152262A - Pressure responsive rheostat : en
  • DE673921C - Device on forage cutting machines for automatic feeding of the material to be cut to the cutter mechanism : de en
  • PL28076B1 - Method of de-acidifying and drying soaked linen. : en pl
  • US2152132A - Acetoacetyl amides and process for their preparation : en
  • US2152341A - Core catcher : en
  • US2151716A - Wood joint fastener : en
  • US2151912A - High frequency generator : en
  • USD113993S - Design for a door for a domestic wa : en
  • FR839288A - Improvements to the assembly methods for sawtooth oscillations generators : en fr
  • US2152074A - Hydraulic four-wheel brake : en
  • US2152160A - Aqueous wood preserving liquid : en
  • US2152166A - Process of separating mercaptans contained in a hydrocarbon distillate : en
  • US2152423A - Production of fibers or threads from glass, slag, and the like meltable materials : en
  • US2152425A - Automotive traveling sprinkler : en
  • GB503093A - Improvements relating to reciprocating pumps : en
  • DE673800C - Wooden rod for roller curtains, maps, etc. like : de en
  • CH203854A - Laminated glass. : de en
  • US2152600A - Dispensing container : en
  • USD113998S - Combination stove and lamp : en
  • DE673622C - Combined road and rail vehicle : de en
  • USD114046S - Design for textile fabric : en
  • USRE21037E - Displacement glass feeder : en
  • US2152151A - Automatic indicating system : en
  • US2152604A - Camtclating device : en
  • USRE21038E - Magnetic switch : en
  • US2151946A - Cast phenolic resins : en
  • US2152267A - Method and apparatus for digesting fibrous material : en
  • US2152348A - Telepicture recording system : en
  • DE673822C - Bucket conveyor for horizontal, vertical or at an angle increasing conveying direction : de en
  • DE673901C - Electrical connector pin : de en
  • DE673915C - Portable bag for postman and cashier with exterior lighting and interior lighting that switches on automatically when the bag is opened : de en
  • US2152187A - Flashlight : en
  • DE655115C - Method and device for dewaxing mineral oils : de en
  • GB503194A - Improvements in or relating to methods of and apparatus for making wrought iron : en
  • CH203780A - Arrangement with control member and electromagnetically operated device. : de en
  • FR839133A - Improvements to automatic reproduction volume control systems for t receptors. s. f. : en fr
  • AU106921B2 - Improvements in and connected with swimming pools andthe like : en
  • GB503088A - Improvements relating to electric motors : en
  • US2152145A - Method and apparatus for cutting and heat-treating metal : en
  • CH203643A - Vertically displaceable building board for cavity walls. : de en
  • PL28041B1 - * -Kl. 34 b, 6/0L : en pl
  • US2152249A - Window ventilator : en
  • US2152467A - Cooling device : en
  • US2152063A - Cutting device for inserting album pictures : en
  • US2152091A - System for feeding fuel : en
  • US2152406A - Methods of pickling metals : en
  • FR839265A - Device for transporting shopping bags : en fr
  • USD113997S - Design fob a soap dish or similar : en
  • CH203829A - Closure on liquid containers. : de en
  • AU375038A - Improvements in cellulosic tissue products : en
  • CH203660A - Holding device for window hangings. : de en
  • CH203819A - Amplifier device with negative feedback. : de en
  • US2152428A - Valve : en
  • US2151789A - Electron tube : en
  • USD114022S - Design for a combination slide fas : en
  • US2151780A - Preselector system for radio receivers : en
  • US2152416A - Manufacture of cigarettes : en
  • DE673868C - Encapsulation tool for encapsulation machines : de en
  • FR839269A - Electrically heated double tunnel oven : en fr
  • DE673962C - Process for the manufacture of drying ointments : de en
  • US2152218A - Coloring rubber : en
  • BE432560A - : en
  • US2152013A - Sled : en
  • USD114004S - Design for a bottle : en
  • CH203842A - Elastic tire for vehicle wheels. : en fr
  • US2151947A - Method for conditioning tobacco : en
  • FR839338A - Pneumatic and hydraulic hoist : en fr
  • US2152204A - Postage meter : en
  • CA380370A - Insect repelling agent : en fr
  • US2151840A - Method and apparatus for producing glass vessels : en
  • US2152448A - Electrical system : en
  • CH203841A - Cushioning on vehicles, in particular motor vehicles. : de en
  • CA380377A - Tractor tire chain : en fr
  • CA380417A - Headwear : en fr
  • US2151858A - Safety razor vending machine : en
  • US2151881A - Drilling rig transmission : en
  • US2151953A - Torque measuring wrench : en
  • DE673626C - Mixing and kneading machine for making color pastes, etc. : de en
  • DE673752C - Self-seller for electricity, gas, water or the like. : de en
  • DE673873C - Process for the production of acetylene derivatives containing chlorine : de en
  • PL28078B1 - A method of cooking or other physical or chemical treatment in closed containers for shavings or other organic fibrous material. : en pl
  • PL28111B1 - Oxygen breathing apparatus. : en pl
  • CA380405A - Circuit breaker : en fr
  • US2152457A - Electric circuit : en
  • US2152620A - Manufacture of artificial threads, filaments, and the like : en
  • CH203833A - Rear side shutter lock on vehicle tipping bridges with corner posts. : de en
  • CA380434A - Motor driven door operator : en fr
  • PL28005B1 - Regulating device for aviation internal combustion engines. : en pl
  • US2152387A - Oilless bearing : en
  • CH203684A - Oven. : de en
  • CA380446A - Refuse burning furnace : en fr
  • AU106957B2 - Refractory products and process of making thesame : en
  • DE673869C - Lock for a single key, a group key and a master key : de en
  • GB502920A - Improvements in or relating to telephones : en
  • US2152148A - Shaker conveyer : en
  • US2152268A - Braking mechanism for railway car trucks : en
  • US2151910A - Electric switch : en
  • DE673833C - Device for the mutual assignment of self-induction coils : de en
  • FR839226A - Process for manufacturing detergent compositions and products obtained by this process : en fr
  • IE15208L - Decorticating flax, etc. : en
  • FR839182A - Automatic sales machine, comprising compartments subdivided by a valve : en fr
  • US2152360A - Humidifying and cooling apparatus : en
  • FR839142A - Improvements to methods of preparing monomolecular layers and their industrial applications : en fr
  • GB503124A - Improvements in and relating to lapping devices : en
  • DE673892C - Process for the production of artificial leather-like fabrics from a helical thread fabric with a metal layer : de en
  • GB502969A - Improvements in hydraulic systems : en
  • GB503384A - Improvements in or relating to printing telegraph apparatus : en
  • USD114025S - Design fob a bottle : en
  • AU106970B2 - Improvements in price and volume delivery computer mechanism for liquid dispensing apparatus : en
  • USD113975S - Design fob a medallion ob the like : en
  • USPP320P - Peach tree : en
  • DE673785C - Receiving arrangement in which the grid prestress of a tube stage is obtained by rectifying an alternating voltage generated in a local oscillator : de en
  • US2152176A - Fog eliminating apparatus for rock drills : en
  • CA380325A - Electric filter : en fr
  • CA380385A - Log cabin : en fr
  • DE673724C - Brake conveyor for mining operations, in which the conveyed material swivels inhibiting bodies arranged in the slide against a spring resistance : de en
  • US2152351A - Engine mechanism : en
  • US2152560A - Cooking apparatus : en
  • CH203726A - Arrangement for recording push-pull sound recordings. : de en
  • DE673815C - Device for temporarily creating negative pressure (overpressure) with pumps, which are normally used to generate overpressure (negative pressure) : de en
  • DE673919C - Main drive shaft for calculating machines : de en
  • DE674453C - Hoods : de en
  • PL28060B1 - A method of treating coking coals prior to their distillation in order to obtain semi-coke and coke of higher grades. : en pl
  • US2151860A - Building construction : en
  • CH203765A - Process of carburizing for explosion engines, and device for its implementation. : en fr
  • BE432515A - : en
  • CA380340A - Resinous composition : en fr
  • CH203654A - Electric storage heating element, in particular for cookers, water heaters and similar devices. : en fr
  • CH203667A - Cheese dome with means for humidifying the air trapped in the dome. : de en
  • US2151868A - Combined guideway, storage, and delivery device for bobbins : en
  • CA380320A - Radio modulation system : en fr
  • CA380375A - Railway pilot : en fr
  • CH203825A - Illuminated advertising facility. : de en
  • CH203817A - Circuit arrangement with a cathode ray tube. : de en
  • US2152558A - Terminal housing for luminous tubes : en
  • DE673565C - Sealing sleeve for pipe penetrations in ceilings or the like. : de en
  • US2152521A - Method of locking screws : en
  • US2152588A - Fluid dispensing device : en
  • US2151745A - Arc lamp and control circuit therefor : en
  • US2152597A - Method of preparing sodium aluminum sulphate substantially fluorine free : en
  • US2151888A - Electric iron : en
  • FR839144A - New acylaminonaphthols, azo dyes derived from these acids and the production process of these various bodies : en fr
  • FR839118A - Zinc electrolytic deposit treatment process : en fr
  • GB502981A - Teething devices : en
  • GB503055A - Improvements in or relating to shutter release mechanisms for photographic cameras : en
  • US2151893A - Brake : en
  • US2152586A - Safety device for electrical apparatus : en
  • US2151751A - Housing : en
  • US2152154A - Method of and apparatus for the heat treatment of metals and alloys : en
  • US2152580A - Journal box seal : en
  • US2152601A - Window strip installation and fastener for the same : en
  • GB503100A - Improvements relating to cranes : en
  • US2151696A - Process of melting, purification, and recovery of metals : en
  • US2152210A - Yarn creel and other apparatus : en
  • US2152559A - Support for wire reels : en
  • US2151969A - Inking apparatus and method : en
  • US2151813A - Band filter circuits : en
  • US2152075A - Paper clip : en
  • US2152247A - Load lifting and weighing device : en
  • USD114019S - Design for a jacket : en
  • PL28012B1 - Glass pressing mold. : en pl
  • CH203672A - Presser foot for sewing machines. : de en
  • US2152064A - Toy vehicle : en
  • US2151706A - Bone-conduction hearing-aid vibrator : en
  • US2151937A - Gas-tight joint : en
  • US2152232A - Yarn measuring machine : en
  • US2152514A - Automatic fidelity control : en
  • AU106934B2 - Improvements in or relating to steam separating apparatus : en
  • AU106987B2 - An improved wrapper : en
  • US2151848A - Compressor pump, and the like : en
  • CH203730A - Timepiece intended to be used for determining the hour angle of the sun or of another star in relation to the Greenwich meridian. : en fr
  • CH203876A - Process for the preparation of a water-soluble monoazo dye. : de en
  • AU106958B2 - Improvements in automatic fidelity control : en
  • US2151887A - Vehicle loading device : en
  • US2151693A - Conveyer bunching device : en
  • US2151857A - Water insoluble azo dyestuff : en
  • US2151865A - Heating device for motorcars : en
  • CH203884A - Process for the preparation of sodium phenyl-ethyl-para-aminobenzene-sulfonylurea-a-sulfonate. : en fr
  • US2151908A - Chapel tent : en
  • US2152474A - Fire screen : en
  • US2152328A - Interlocking circuits : en
  • PL28045B1 - A method of driving a mill to produce dust, and in particular coal dust for furnaces of steam boilers or similar purposes. : en pl
  • US2152260A - Tube plate for multitubular boilers : en
  • US2152587A - Controlled variable pitch propeller : en
  • DE673584C - Booking engine : de en
  • PL27996B1 - A device for balancing the bodywork of vehicles, especially cars. : en pl
  • FR839121A - Process for manufacturing agglomerates of leather fibers with the addition of asbestos fibers and vegetable fibers : en fr
  • US2152420A - Locomotive : en
  • US2151842A - Vacuum cleaner : en
  • US2152196A - Motor fuel and method of making the same : en
  • US2152197A - Lighting fixture construction : en
  • DE673813C - Conveyance of the clad material heated to welding temperature from the annealing furnace to the cladding device : de en
  • DE674452C - Drum magazine for firearms : de en
  • DE673665C - Switching device for gear change transmissions of motor vehicles : de en
  • FR839228A - Improvements to suction cups : en fr
  • AU368638A - Improved process for treating tail gases from oxide of nitrogen absorption systems, and products obtained thereby : en
  • PL28061B1 - A method of making fibers from molten glass or similar fusible materials, and an apparatus for carrying out the method. : en pl
  • US2152589A - Electrical apparatus : en
  • CA380317A - Multi-range radio receiver : en fr
  • CA380327A - Liquid elevator : en fr
  • PL28089B1 - Electric lamp, provided with a two-piece closed cover. : en pl
  • GB503040A - A method of and apparatus for centering radiographic cassettes for exposure, applicable in particular to stereo-radiography : en
  • CH203858A - Process for the production of a valuable highly capillary-active substance. : de en
  • US2152429A - Bathtub fixture : en
  • DE673989C - Receiver with automatic volume control : de en
  • US2151701A - Electric switch : en
  • DE673714C - Steering device for motor vehicles : de en
  • US2151931A - Insulator : en
  • USD113983S - Design fob a combined house number : en
  • US2152112A - Oscillating fan : en
  • US2152175A - Coupling device : en
  • US2152036A - Pipe cleaning machine : en
  • US2152435A - Ornament : en
  • AU271138A - Improvements in or relating to light distributing devices : en
  • DE673710C - Process for the production of protective coatings on objects made of iron or copper or their alloys : de en
  • US2151710A - Method of and apparatus for extracting rind oil from citrus fruits : en
  • CA380389A - Grinding machine : en fr
  • US2151750A - Apparatus for transmitting recording graphics : en
  • US2152104A - Brake device : en
  • US2152214A - Machine for applying stick handles to frozen confection blocks : en
  • PL27997B1 - Liquid for impregnating wood or other organic substances and the method of producing this liquid. Priority: October 22 : en pl
  • US2152102A - Fitting and method of making same : en
  • AU106939B2 - Improvements in vertical retort settings forthe carbonisation of coal and like materials : en
  • CA380366A - Strip metal ornamenting apparatus : en fr
  • BE432712A - : en
  • DE673814C - Process for the production of sintered hard metal bodies : de en
  • DE673974C - Traveling grate firing with additional firing : de en
  • US2151853A - Internal combustion engine : en
  • US2151904A - Clip for paper-back laths : en
  • CH203863A - Process for the preparation of a trisazo dye. : de en
  • AU20438A - Improvements in or relating to modulating circuit arrangements for high frequency magnetron oscillators : en
  • US2152518A - Motion translating mechanism : en
  • PL28069B1 - ki. 46 = eryr- Piston for internal combustion engines. : en pl
  • US2152281A - Arrangement of doors on motor vehicles : en
  • US2152546A - Recuperator for melting furnaces : en
  • USRE21035E - Hydraulic transmission gear : en
  • FR839176A - Sealing device for baggers of all products in powders or granules, flour, grains, etc. : en fr
  • DE673784C - Homodyne receiver : de en
  • GB503315A - Emulsifier : en
  • CA380412A - Sound translating device : en fr
  • US2152379A - Terminal mounting : en
  • PL28010B1 - A method of drawing glass sheets and an apparatus for carrying out the method. : en pl
  • US2152035A - Wave generation and modulation : en
  • AU197938A - Improvements relating to convertible vehicles : en
  • US2152480A - Compounds of the anthraquinone series : en
  • US2151790A - Electric toaster : en
  • CH203785A - Vacuum relay for high voltages. : de en
  • DE673699C - Collapsible seating or table furniture : de en
  • DE673890C - Rotary drum for drying, burning or cooling purposes : de en
  • US2151714A - Change-speed device : en
  • PL28082B1 - Setting device. : en pl
  • US2152383A - Face shield : en
  • US2152414A - Cowl ventilator screen : en
  • CH203855A - Heating installation. : en fr
  • US2152447A - Adjustable grille : en
  • CH203708A - Device for keeping the film in plan in the image window of a camera or playback device. : de en
  • AU106943B2 - Packing, wrapping and container materials and process for making. thesame : en
  • US2152256A - Inertia device : en
  • US2152527A - Stirrup for skis : en
  • US2151925A - Acceleration and deceleration control equipment : en
  • US2152080A - Tile roof construction : en
  • CH203712A - Russian billiards with a switching device under each opening. : de en
  • CH203814A - Test device for testing subscriber lines in country control centers, which test device enables the direct transmission of the test result to the main office. : de en
  • CH203852A - Paddle wheel with adjustable blades on ships. : de en
  • AU106966B2 - Means for heating and for effecting ozonisation ofthe air supply tothe fuel of internal combustion engines : en
  • DE673933C - Swing half-axis with twin wheels, especially for motor vehicles : de en
  • GB503013A - Improvements in or relating to tins and other similar containers : en
  • CH203706A - Device for projecting animated views, fitted with a stop delay device. : en fr
  • FR839129A - Improvement in rear-view mirrors : en fr
  • FR839159A - Process for the production of detergent compositions and products obtained by this process : en fr
  • GB502921A - Improvements in or relating to electric circuit controlling devices : en
  • AU106923B2 - Improvements in or relating to methods of producing iron-free copper solutions : en
  • PL28055B1 - Pasta maker. : en pl
  • AU106947B2 - Improvements in or relating to rock crushers : en
  • US2152020A - Cooperage : en
  • CH203862A - Process for the preparation of a trisazo dye. : de en
  • GB502968A - Improvements in or relating to electron discharge devices for visually indicating voltage : en
  • GB503083A - Improvements in or relating to thermionic amplifiers : en
  • US2152431A - Exercising machine : en
  • CH203735A - Timepiece indicating the successive days of a period of several days. : en fr
  • CH203756A - Method for changing the size of the output force, which remains constant during operation, in devices with a deforming element having a helical part. : de en
  • CH203784A - Electric discharge tube for optical voltage display. : de en
  • CA380349A - Circuit breaker : en fr
  • PL28099B1 - A method of transmitting directional signals in arbitrarily narrow angle sections using electromagnetic waves. : en pl
  • US2152060A - Control mechanism for motor vehicles : en
  • US2152089A - Clutch control mechanism : en
  • AU106935B2 - Improvements in or relating to light distributing devices : en
  • CH203860A - Process for the preparation of a water-soluble condensation product. : de en
  • CH203868A - Process for the preparation of a disazo dye. : de en
  • CA380379A - Metal article coating method : en fr
  • CH203702A - Loading device for biological wastewater treatment plants. : de en
  • DK55991C - Device at Trillebøre. : da en
  • US2152338A - Windshield defroster : en
  • FR839171A - Photographic enlargement and reproduction apparatus : en fr
  • AU106925B2 - A method of and means for controlling the operation of heat-operated absorption refrigerating apparatus : en
  • CH203790A - Barrier photocell sensitive to X-rays and other short-wave rays. : de en
  • FR839127A - Advanced closure device for bottles and other containers : en fr
  • GB502979A - Improvements in and relating to envelopes : en
  • CH203875A - Process for the preparation of a water-soluble monoazo dye. : de en
  • FR839347A - Improvements to fuel supply systems : en fr
  • GB503126A - Improvements in and relating to electron discharge tubes : en
  • DE673759C - Physical letter for advertising purposes : de en
  • US2152375A - Chuck clip : en
  • GB502893A - Improvements in or relating to shot cartridges for use in airguns : en
  • US2151873A - Machine tool : en
  • FR839280A - Hydrocarbon alkylation improvements : en fr
  • US2152024A - Seat : en
  • US2152257A - Brake mechanism : en
  • US2152272A - Fountain brush : en
  • DK55975C - Procedure for the Extraction of Stigmasterol. : da en
  • GB503192A - Improvements in supports for observation mirrors of road vehicles : en
  • FR839150A - Filters to produce polarized light in a plane : en fr
  • FR839152A - Process for polymerizing or condensing unsaturated hydrocarbons : en fr
  • CH203710A - Electric sealer. : de en
  • CH203787A - Device to improve the commutation in multi-phase rectifiers working with mechanically moved contacts. : de en
  • CH203727A - Method and apparatus for translating changes in illumination into mechanical actions. : en fr
  • CH203797A - Electric gas discharge tube. : de en
  • CH203878A - Process for the preparation of a water-soluble monoazo dye. : de en
  • PL28102B3 - Device for automatic information about the location of individual objects or rooms, e.g. premises, rooms, floors or staircases. : en pl
  • US2151936A - Character transmitting system : en
  • FR839196A - Angle wheels with oblique teeth, straight or curved in the longitudinal direction and method for their manufacture : en fr
  • FR839341A - Concrete slabs with rib channel, made in a suitable mold : en fr
  • GB503060A - Improvements in or relating to the production of crepe effects on fabrics : en
  • FR839178A - Constant mixing progressive diffusion nozzle : en fr
  • GB503327A - Improvements in and relating to methods of and apparatus for scanning in television systems : en
  • CH203760A - Two-stroke internal combustion engine. : de en
  • FI18416A - Smörjanordning för axellager få på scenor löpande fordon : en fi
  • FR839131A - Method for winding threads on sleeve-shaped bodies in artificial thread spinners : en fr
  • CA380319A - Voltage multiplier circuit : en fr
  • GB502846A - Improvements in or relating to the production of oxides of tin and antimony : en
  • GB503053A - Improvements connected with refining machines for cocoa-containing and like masses : en
  • GB503097A - Improved means for supporting spoons and the like in condiment jars and like containers : en
  • DE673702C - Brake tester for motor vehicles, especially for tracked vehicles : de en
  • DE673980C - Air foam generators, in particular for fire extinguishing purposes : de en
  • PL28106B1 - The glove has a pocket on the palm side. : en pl
  • DE673792C - Method and device for the production of patterned goods on knitting, warp-knitting and similar machines : de en
  • DE673900C - Process for the decomposition and composition of an image to be transmitted remotely : de en
  • GB503071A - Appliance for dressing poultry : en
  • USD114014S - Design fob a glove : en
  • DE673832C - Circuit arrangement for telephone systems with dialer operation and several exchanges in series : de en
  • DE673897C - Lying flame tube with spiral device : de en
  • US2151760A - Process of treating egg material : en
  • US2152361A - Slidable sash support replacement device : en
  • FR839195A - Product for wood preservation : en fr
  • USD113967S - Design for a combined ashtray : en
  • GR8088B - MANNER OF MANUFACTURING WHEELS OF NAKIA EMYRIA, COROUND AND COAL. : el en
  • DE673855C - Process for the production of transparent foils from the mannan-containing substance of the tubers of plants of the Amorphophallus family : de en
  • GB502910A - Improvements in sporting cartridges and in tools for use in the manufacture thereof : en
  • DE673750C - Device for analyzing liquid fuels, in particular for determining the total sulfur content of the same : de en
  • DE673932C - Device to compensate for the adjustment forces on oars : de en
  • DK55977C - Duplicating machine and associated Stencil. : da en
  • GB503108A - A process for obtaining organic compounds from the acid wastes from the refining of mineral oils : en
  • PL28117B1 - The method of coiling round eight-strand steel ropes, in which the internal stresses are completely balanced. : en pl
  • US2152051A - Animated signaling device : en
  • US2152054A - Stationary piston air compressor : en
  • CH203655A - Device on electric cooking appliances. : de en
  • CH203813A - Impulse receiving device. : de en
  • DE673749C - Flow meter : de en
  • FR839115A - Piles and mixed sheet piles : en fr
  • GB503033A - Improvements in bottles, containers and the like for ink : en
  • US2151907A - Film processing device : en
  • US2151835A - Reciprocating piston engine : en
  • USD114028S - Design for a pin-clip : en
  • US2152312A - Treatment of leather : en
  • DK55985C - Pressure Gauge for Placement in an Internal Combustion Engine Flow Line or Exhaust Pipe. : da en
  • DE673756C - Metal hose made of helically wound profiled metal strip : de en
  • US2151718A - Electrical control system : en
  • US2152239A - Bat for games such as table tennis : en
  • US2152092A - Snow plow : en
  • GB502943A - Arrangement of contacts for electrical switches : en
  • GB503298A - Hand regulation for electric sadirons : en
  • DE673772C - Device for the regeneration of concentrated salt solutions serving as a drying liquid for gases : de en
  • DE673823C - Manual transmission : de en
  • US2151781A - Electron discharge tube : en
  • US2151952A - Lubricating textile fibers and the like and product : en
  • US2152563A - Slip locking pivot : en
  • PL28021B1 - A method of producing basic compounds of the heterocyclic series. : en pl
  • GB503117A - Improvements in and relating to wringing and mangling machines : en
  • PL28092B1 - A method of treating a liquid metal or alloy. : en pl
  • US2152227A - Index device : en
  • GB503019A - Method of arranging pins or spikes in the staves of carding and like machines : en
  • GB503099A - Improvements in or relating to telephone systems : en
  • US2152576A - Power regulating system : en
  • CA380399A - Circuit breaker : en fr
  • DE673862C - Air raid alarm and control device : de en
  • DE673870C - Cleaning device for pipes : de en
  • GB503020A - Automatic feed control means for lubrication of upper portions of cylinders of internal combustion engines : en
  • DE673905C - Electric lamp held by spring pliers with reflector attached to a bracket and adjustable in all directions : de en
  • BE432797A - : en
  • CH203713A - Card game. : en fr
  • GB503129A - Improvements in electric induction furnaces : en
  • CH203796A - Electric gas discharge tube. : de en
  • CA380419A - Fire alarm : en fr
  • DE673685C - Compression refrigeration machine : de en
  • US2152022A - Brake : en
  • US2152393A - Feeding mechanism for threshers : en
  • DK55984C - Central heating boiler. : da en
  • US2152323A - Container : en
  • GB502953A - Apparatus for cutting weeds and the like : en
  • CH203650A - Termination on heating rods. : de en
  • FR839157A - Printing machine : en fr
  • US2152093A - Collar : en
  • USD113986S - Design fob a textile fabric : en
  • FR839192A - Signaling arrow, particularly for motor vehicles : en fr
  • US2152572A - Saddle for cycles : en
  • US2152259A - Sand spreading apparatus : en
  • US2152277A - Suction cleaner : en
  • US2152492A - Incubator : en
  • US2151686A - Electric lamp and process of making the same : en
  • US2151691A - Process for treating hydrocarbon oils : en
  • US2151980A - Lasting machine : en
  • US2152061A - Clutch control : en
  • US2151869A - Tailor's chalk sharpener with replaceable blade : en
  • US2152146A - Sprinkler head signaling attachment : en
  • FR839333A - Gas protection mask : en fr
  • AU111681B2 - Improvements in and relating to absorption-refrigerating apparatus : en
  • CH203746A - Process for the production of straight or helical gears with a crowned tooth shape by planing. : de en
  • GB502972A - Improvements in directional aerial systems : en
  • GB502998A - Improvements in and relating to rubber shoes : en
  • FR839205A - Control device for airplanes : en fr
  • DE673824C - Drainage device for wash basins, drains u. like : de en
  • FR839301A - Method of treating certain minerals by alkalization : en fr
  • GB502841A - Improvements in steamers for domestic and such-like purposes : en
  • GB502937A - Improvements in fluid flow governors : en
  • GB502914A - Improvements relating to electric signalling systems : en
  • GB503111A - Improvements in or relating to toy motor-cycles : en
  • GB503007A - Improvements in or relating to reciprocating engines having a crosshead between a piston rod and a connecting rod : en
  • CH203673A - Metallic knitting needle. : en fr
  • USD114001S - Design for an embroidered textile : en
  • US2152026A - Disappearing target : en
  • GB503054A - Improvements in and connected with meat tendering apparatus : en
  • DE673653C - Process for the production of hardened synthetic masses : de en
  • FI18430A - Förfaringssätt for cellulosakokning under lutcirkulation förmedels en pump : en fi
  • GR8087B - SHAPE, METHOD OF ARRANGEMENT, MANUFACTURE AND PACKAGING OF HEALTHY TEETH PLACES, USED AND FOR ADVERTISING. : el en
  • DE673944C - Cassette for cinema recorders : de en
  • DE673964C - Helicopter attached to the human body : de en
  • FR839163A - Boned corset : en fr
  • US2151929A - Apparatus for registering, filing, and extracting cards, records, etc. : en
  • US2152244A - Conveyer for cans and can covers : en
  • USD114043S - Design for a textile fabric : en
  • DE663599C - Device for scouring, pickling or the like, in particular for dental laboratory work : de en
  • DE673875C - Disk-shaped carbon copy device with ribbon and line indicator at the inscription point : de en
  • GB503036A - Improvements in and connected with stroboscopes : en
  • DE673849C - Projection device with one or more maximum pressure mercury vapor discharge tubes as a light source : de en
  • CA380437A - Multi-stage flotation apparatus : en fr
  • CA380457A - Vibratory screen : en fr
  • FR839306A - Process for producing porous metallic bodies : en fr
  • USD114036S - Design for an ensemble dress : en
  • FR839124A - Advanced vehicle construction : en fr
  • DE673817C - Radial towing gear : de en
  • DK55990C - Slide piece or Friction block for Fire rescue lines or similar Descent lines. : da en
  • US2152198A - Butter slicer : en
  • FR839148A - Apparatus for repairing knitted articles and hosiery : en fr
  • US2152595A - Constant speed control for motors : en
  • DE673811C - Gear shift transmission with variable speed control : de en
  • FR839286A - Diesel motor : en fr
  • FR839114A - Improvements to gasifiers, particularly those intended for vehicles : en fr
  • BE432653A - Electric heating device for gasification of substances and inorganics, having therapeutic action : en fr
  • GB503008A - Improvements in the electrodeposition of metals on alloys containing chromium : en
  • PL28067B1 - A flat key to lift the lid pressed in a can : en pl
  • US2152183A - Power hacksaw blade : en
  • US2152399A - Cloth-folding machine : en
  • US2151692A - Means for waving hair : en
  • US2152487A - Cathode ray oscillograph : en
  • US2152305A - Lubricating device : en
  • PL28050B1 - Mortar for seeds. : en pl
  • US2152180A - Automatic stencil moistener : en
  • USD113990S - Design for an electrically operated : en
  • CH203836A - Support for swing-out parts, namely hinged lids on automobiles. : de en
  • DE673916C - Vacuum cleaner hose connection with a cone-shaped hose end : de en
  • FR839211A - Manufacturing process of hard glass or quartz glass lamp bases : en fr
  • US2152366A - Shoe press : en
  • GB502986A - Hinges : en
  • GR8095B - METHOD OF HEATING RADIO LAMPS. : el en
  • US2152096A - Thimble : en
  • US2152317A - Wind tunnel and method for determining streamline contours : en
  • DE673625C - Latch lock for doors of motor vehicles u. like : de en
  • US2151775A - Reduction of noise : en
  • US2151892A - Brake : en
  • GB502882A - Process of dyeing mixed fibres : en
  • US2151854A - Liquid heater and vaporizer : en
  • US2151856A - Cooling system for metal barrels : en
  • US2152304A - Index : en
  • DE673845C - Circuit for generating short waves using a magnetron tube : de en
  • DE673879C - Method for operating a subjectively viewed mirror screw : de en
  • GB502891A - Improvements relating to the depolymerisation of bituminous substances : en
  • DE673907C - Electric cathode glow lamp in which at least one electrode consists of a metal coating arranged inside the vessel : de en
  • FR839139A - Ignition distributor for battery ignition systems : en fr
  • FR839224A - Improvements to phase shift measuring devices : en fr
  • US2152235A - Aerial ski tramway : en
  • US2152469A - Hobbing machine : en
  • US2152612A - Covered roller : en
  • PL28044B1 - Screw plane. : en pl
  • US2151756A - Metal-clad switch gear : en
  • US2152470A - Wave signaling system : en
  • US2151687A - Rotative winged aircraft : en
  • US2152086A - Pallet construction : en
  • DE673864C - Badge with fastening clip provided on its back : de en
  • AU219438A - Improvements in alumino-thermic welded rail joints andthe alumino-thermic process of welding railway rails in situ, andin apparatus therefor : en
  • FR839230A - Simultaneous control system for several switches : en fr
  • FR839334A - Lifting and transporting device, comprising a lifting and weighing mechanism : en fr
  • DE673913C - Process for the separation of individual parts of the bee venom : de en
  • DE674344C - Return device for machine guns : de en
  • US2152405A - System for supplying electricity to motor vehicles : en
  • PL28039B1 - Valve for steam and similar boilers. : en pl
  • US2151834A - Distribution control mechanism : en
  • USD113970S - Design fob a slipper : en
  • USD113981S - Design for a clip ob similar article : en
  • US2152219A - Fruit display stand : en
  • US2152344A - Permanent waving device : en
  • US2152364A - Recovering values from phosphate rock : en
  • US2152332A - Hammer for impact pulverizers : en
  • US2152479A - Pressure combustion boiler : en
  • CA380396A - Radio remote tuning device : en fr
  • DE673789C - Arrangement for frequency conversion of alternating currents : de en
  • DE673795C - Mold for casting large glass bodies : de en
  • US2151715A - Ignition cable : en
  • US2151818A - Kitchen sink : en
  • US2152138A - Heat treating equipment : en
  • US2152395A - Pencil pointer : en
  • US2152224A - Multiple image optical system : en
  • US2151792A - Method for purifying air for breathing : en
  • CA380380A - Electromagnetic relay : en fr
  • CA380334A - Cigarette packing apparatus : en fr
  • CA380341A - Insecticide : en fr
  • CA380407A - Multipole circuit breaker : en fr
  • CA380336A - Card feeding mechanism : en fr
  • US2151779A - Method of melting and casting magnesium and alloys rich in magnesium : en
  • US2151914A - Welding apparatus : en
  • CA380351A - Axle housing : en fr
  • CA380448A - Capsule packaging means : en fr
  • US2151787A - Electrical capactor : en
  • US2152129A - Air conditioning system utilizing refrigeration : en
  • US2152134A - Cultivator disk gang operator : en
  • US2152607A - Vertical geared motor : en
  • AU156138A - Improvements in sliding door runners : en
  • GB503039A - Improvements in variable electric transformers and inductances : en
  • CH203866A - Process for the preparation of a disazo dye. : de en
  • AU389838A - Improvements in automatic switches for use in telephone or like systems : en
  • US2151898A - Knurler unit for cigar machines : en
  • US2152500A - Flour dusting machine : en
  • CH203648A - Ventilation attachment and method of making the same. : de en
  • CH203719A - Arrangement for differentiating the various zero points in an adjustable direction finder-receiving arrangement consisting of several directional antennas with opposing receiving voltages and an auxiliary directional antenna. : de en
  • PL28042B1 - Method for obtaining iron-free copper sulphate. : en pl
  • US2152179A - Addressing machine : en
  • PL28079B1 - A method of making soap. : en pl
  • USD114047S - Design for a textile fabric : en
  • CA380397A - Olefine polymer hydrogenation : en fr
  • CA380420A - Organic amino compound : en fr
  • CA380432A - Respirator jacket : en fr
  • DE673928C - Pedigree with fields one above the other : de en
  • US2151876A - Apparatus for forming glassware : en
  • US2152079A - Display package and method of packaging : en
  • US2152439A - Method of and apparatus for analyzing gas : en
  • US2151700A - Sound pick-up unit : en
  • US2151889A - Electromagnetic recording arrangement : en
  • US2152049A - Safety device for linemen : en
  • US2152300A - Chime : en
  • CA380388A - Roll grinding machine : en fr
  • CH203843A - Installation for giving light signals to the rear of a cycle or a motorcycle. : en fr
  • BE432548A - : en fr
  • GB503043A - An improved lead pencil holder : en
  • US2151810A - Superheterodyne receiver : en
  • CH203745A - Steel holder. : de en
  • AU136839A - Improvements in and relating to absorption-refrigerating apparatus : en
  • CH203662A - Barber chair. : en fr
  • CH203761A - Method for operating injection internal combustion engines with light fuel. : de en
  • CH203766A - Interrupter for ignition systems of multi-cylinder internal combustion engines. : de en
  • US2151816A - Mount for electron discharge devices : en
  • FR839200A - Incandescent electric lamp : en fr
  • FR839236A - Tone amplifier for musical instruments : en fr
  • US2151726A - Signaling device : en
  • CH203693A - Process for the preparation of a green trisazo dye. : de en
  • AU106938B2 - Improvements in or relating to casing or casing parts : en
  • AU106944B2 - Improved process for treating tail gases from oxide of nitrogen absorption systems, and products obtained thereby : en
  • US2152282A - Winding drum for reels : en
  • AU106959B2 - Improvements in automatic switches for use in telephone or like systems : en
  • CH203846A - AC rail locomotive. : de en
  • DE673945C - Semi-rigid turn-down collar : de en
  • PL27990B1 - Manner of making ferroconcrete poles. : en pl
  • AU345938A - Improvements in vertical retort settings forthe carbonisation of coal and like materials : en
  • CA380311A - Electric incandescent lamp : en fr
  • US2151880A - Veneering press : en
  • AU143838A - Process for producing hydrocarbons bythe catalytic conversion of carbon monoxide with hydrogen : en
  • US2152554A - Apparatus for setting and drying battery plates : en
  • CH203768A - Adjustment device for pump pistons, in particular for fuel injection pumps in internal combustion engines. : de en
  • AU111624B2 - Improvements in Braun tubes : en
  • CA380404A - Circuit breaker : en fr
  • US2152015A - Device for waving hair : en
  • GB502831A - Improvements in the manufacture of electric resistance materials : en
  • AU109838A - Improvements in or relating to grease gun nozzles : en
  • CA380464A - Wet granular material treating apparatus : en fr
  • FR839254A - Flexible device for remote control, by fluid displacement, of the direction to be followed by an independent mechanism moving on any surface, also allowing repeated starting and stopping of this mechanism : en fr
  • DE673831C - Hydraulic power transmission : de en
  • CA380416A - Visible margin file : en fr
  • US2152182A - Manufacture and treatment of textile materials : en
  • CA380367A - Carbonyl compound chlorinating and brominating process : en fr
  • US2151939A - Propeller : en
  • US2152498A - Rotary pump : en
  • CH203869A - Process for the preparation of a disazo dye. : de en
  • AU106981B2 - Improvements in or relating tothe electrodeposition of zinc : en
  • US2151685A - Apparatus for and process of making reinforced tubing : en
  • US2152158A - Cotton stalk cutter : en
  • US2152109A - Garment hanger machine : en
  • US2152216A - Flashing switch : en
  • US2152327A - Alternating current commutator machine : en
  • US2152568A - Vehicle body : en
  • US2151704A - Device for arresting the motion of vehicles : en
  • US2152057A - Nozzle : en
  • USD114039S - Design fob a dress ensemble : en
  • US2151755A - Rocker arm construction : en
  • US2152016A - Modulation : en
  • GB503027A - Improvements in and relating to the lining of vats and tanks : en
  • CH203767A - Fuel injection pump system with several single pumps arranged on the same axis in a circle and with a fuel cleaner. : de en
  • FR839276A - Device for preventing the unauthorized removal of parts of bicycle equipment : en fr
  • GB502929A - Improvements in delivery mechanism of printing machines : en
  • GB503044A - Improvements in and relating to amplifying circuits : en
  • AU360038A - Process of working up ammoniacal solutions of heavy metals : en
  • CH203717A - Device that can be used as a tank barrier and for other war purposes, as well as bank protection. : de en
  • US2152404A - Valve tappet : en
  • US2152030A - Spring cover : en
  • US2152040A - Brake : en
  • US2152413A - Corn reloader : en
  • DE612472C - Washing device for tobacco cutting machines : de en
  • DK55969C - Liquid burner with inner and outer Vægerør. : da en
  • GB503125A - Improvements in and relating to electron discharge tubes : en
  • US2152021A - Safety device for steering motor vehicles : en
  • DE673708C - Block storage : de en
  • US2152095A - Collar : en
  • US2152486A - Control and illuminating of refrigerator cabinets : en
  • US2152617A - Condensationproof car construction : en
  • FR839223A - glass wall electrode : en fr
  • GB502823A - Improvements in and relating to welding electrodes : en
  • US2152255A - Method and loom for weaving : en
  • US2152322A - Container : en
  • US2151776A - Method and apparatus for forming metal screw blanks : en
  • US2151882A - Electric connector : en
  • US2152034A - Bait for animal traps : en
  • US2152454A - Wet purification of gases, especially coal distillation gases : en
  • DE673967C - Device for the automatic erection of periodically tipping vehicle toys : de en
  • FI18415A - The scope of the corrosion protection scheme : en fi
  • CA380392A - Alkali sub-silicate : en fr
  • DE673675C - Suspender clip : de en
  • DE673791C - Plated stocking : de en
  • FR839250A - Cement and asbestos slates with hanging and covering tenons, and machines for making them : en fr
  • FR839255A - Gun safety device : en fr
  • GB502942A - Improvements in blast furnaces : en
  • GB502997A - Improvements in devices for temporarily binding loose leaves or cards : en
  • DE673850C - Device for driving rotatable X-ray tubes : de en
  • FR839253A - Cereal sorter : en fr
  • GB502993A - Process for the recovery of zinc from zinciferous material in shaft or the like furnaces : en
  • PL28116B1 - A method of producing mercerizing agents wetting agents. : en pl
  • DE673991C - Neon tube with at least one cold hollow cylinder electrode : de en
  • FR839221A - Improvements to wire mesh : en fr
  • FR839262A - Process for the preparation of mono-alkylolamines or mixtures which contain them : en fr
  • FI18427A - Cylinder head for the engine type with a U-shaped cylinder : en fi
  • AU106984B2 - Improvement in discharge device : en
  • AU496237A - Improvements in price and volume delivery computer mechanism for liquid dispensing apparatus : en
  • CA380322A - Television system : en fr
  • DE673695C - Drills, in particular for dental purposes : de en
  • DE673924C - Screw locking : de en
  • FR839256A - Anti-theft device for automobiles : en fr
  • US2151733A - Container : en
  • DE673707C - Silencer for internal combustion engines with several chambers : de en
  • DE673766C - Firing pin safety for firearms : de en
  • GB503029A - A process for the preparation of copper phthalocyanines : en
  • DE673799C - Map pocket : de en
  • US2151843A - Friction brake : en
  • US2152575A - Garment : en
  • US2151675A - Safety book match : en
  • US2151763A - Discharge-gap device : en
  • FR839241A - Process for introducing lead into steel : en fr
  • GB503009A - Improvements in and relating to rotary pumps : en
  • US2152243A - Fluid circulation in absorption refrigerators : en
  • DE673881C - Circuit arrangement for telephone systems for the temporary blocking of connections in any traffic directions : de en
  • US2151844A - Friction brake : en
  • DE673893C - Gas suction device for chamber furnaces for coke and gas production : de en
  • FR839215A - Process for making yarns, sheets or other articles of viscose : en fr
  • FI18423A - Handsåg : en fi
  • FR839204A - Device for the direct application of maintenance or cleaning products : en fr
  • FR839208A - Device for relocations, accommodation or similar applications : en fr
  • US2151992A - Wall coating for braun tubes : en
  • US2152023A - Roast rack : en
  • FR839143A - Vaporizer enhancements : en fr
  • US2152468A - Lamp holder for refrigerators or the like : en
  • CH203754A - Tobacco pipe accessory. : de en
  • FR839120A - Process for manufacturing agglomerates of leather fibers with added asbestos fibers and new industrial products obtained : en fr
  • US2152321A - Electronic tube and apparatus employing same : en
  • DE673701C - Device for displaying or recording any measured values : de en
  • FR839274A - Electrical assembly comprising several gas-filled discharge tubes connected in parallel : en fr
  • GB502936A - Improvements relating to pliers : en
  • GB503048A - Improvements relating to route-setting systems for railways : en
  • GB503078A - Theft alarm device for wallets, purses, and the like : en
  • GB503203A - Improvements in or relating to electric radiators : en
  • US2151728A - Measuring and recording device for deep well pumps : en
  • US2152324A - Ladder : en
  • US2152368A - Enclosure : en
  • GB502941A - Safety cartridge for mines and process for making same : en
  • US2151976A - Instrument arrangement for aircraft motors : en
  • FR839291A - Progressive elastic suspension, with additional elastic device, in particular for motor vehicles : en fr
  • DE663517C - Workpiece stop for forging machines : de en
  • GB503201A - Improvements in and relating to internal combustion engines of the liquid fuel injection compression ignition type : en
  • US2152280A - Vapor condenser and method of making the same : en
  • US2152471A - Lamp socket : en
  • US2152240A - Storage battery venting means : en
  • US2152520A - Bleaching, washing, cleansing, and rinsing agents : en
  • CH203714A - Card game. : de en
  • US2151742A - Cinematographic projection apparatus : en
  • US2152579A - Radiator and engine support : en
  • US2152283A - Electric circuit breaker : en
  • FR839189A - Welding process of joints of rails and similar metal articles : en fr
  • GB502960A - Process for producing dye images in the development of silver images : en
  • CH203877A - Process for the preparation of a water-soluble monoazo dye. : de en
  • FR839108A - Advanced device for releasing coke from the metal walls of coke ovens and other carbonization chambers : en fr
  • FR839348A - Slag cement and its manufacturing process : en fr
  • FR839231A - Process for the production of high molecular weight fatty acid chlorides : en fr
  • DE674343C - Collapsible mount for machine guns : de en
  • GB503059A - Electrically controlled device for obtaining varying pressure in a cylinder with an operating period : en
  • CH203653A - Solid fuel for lighters. : de en
  • GB503220A - Improvements in the manufacture and production of olefines and diolefines : en
  • GB503002A - Improvements in electrodes for electrolysers : en
  • FR839222A - Cylindrical lock : en fr
  • GB503076A - Improvements in or relating to the evacuation and sealing of electric discharge devices : en
  • FR839132A - Process for the preparation of a product increasing the efficiency of liquid fuels in engines : en fr
  • DE673705C - Precision seeder : de en
  • DE673758C - Color cylinder for illuminated advertising apparatus : de en
  • FR839287A - Burner for combustible liquids : en fr
  • DE673778C - Process for dewaxing hydrocarbon oils : de en
  • FR839166A - Acoustic recordings on films and recording systems : en fr
  • GB503115A - Improvements in and relating to methods of electric remote control of searchlights : en
  • DE673575C - Device for plugging empty draft beer kegs u. like. container : de en
  • DE673802C - Scale attachment for normal thermometer : de en
  • US2151786A - Arc welding system : en
  • US2152531A - Gas stove burner mechanism and igniting means : en
  • DE673851C - Device for reinforcement by means of electron tubes with a photoelectric cathode : de en
  • FI18420A - The provisions of this Regulation shall apply, in particular, to the provisions of this Regulation. : en fi
  • CH203851A - Drive device, in particular centrifugal device. : de en
  • CA380363A - Ammonium nitrate explosive : en fr
  • AU145838A - Improvements in automatic switches for use in telephone or like systems : en
  • CH203870A - Process for the preparation of a disazo dye. : de en
  • PL28075B1 - Signaling and locking device for bomb launchers. : en pl
  • CA380411A - Engine starter : en fr
  • CH203658A - Device for removing powdery foreign bodies such as dust and the like. : de en
  • CH203670A - Process for the continuous ripening of alkali cellulose. : de en
  • BE432773R - : fr
  • GB502948A - Improved means for controlling the motion of ammunition belts feeding machine guns : en
  • GB503051A - Improvements in or relating to the air cooling of multi-bank radial cylinder internal combustion engines : en
  • CH203663A - Convertible furniture. : en fr
  • US2152165A - Sheet metal apparatus : en
  • AU104838A - Improvements in or relating to telephone subset circuits : en
  • US2152550A - Mechanical drive : en
  • CA380443A - Wax sweating oven : en fr
  • PL28113B1 - Device for preventing the vibrations of the movable flaps, changing the clearance of the gas mixing chamber. : en pl
  • AU106940B2 - Process of working up ammoniacal solutions of heavy metals : en
  • AU106962B2 - Improvements in or relating to tape applying machines : en
  • US2152594A - Internal combustion engine : en
  • US2151885A - Electric discharge vessel : en
  • PL28088B1 - Steering device on tracked vehicles. : en pl
  • US2152472A - Protective equipment : en
  • DE673709C - Drive device for a body vibrating in the earth's gravitational field : de en
  • CA380395A - Cyanide process : en fr
  • CH203641A - Equipment for drying out and keeping rooms of any kind dry. : de en
  • CH203838A - Fluid transmission for road and off-road vehicles. : de en
  • US2151830A - Radial antifriction bearing : en
  • US2151874A - Method of making wire drawing dies and other articles : en
  • CA380347A - Non-corrosive anti-freeze liquid : en fr
  • AU106972B2 - Improvements in or relating to grease gun nozzles : en
  • CH203871A - Process for the production of a new, metal-containing stain dye. : de en
  • US2152289A - Suction cleaner : en
  • PL28118B1 - A method for purifying liquids and an apparatus for carrying out the method. : en pl
  • US2152270A - Dispensing container : en
  • USD114030S - Design fob a change purse : en
  • AU106976B2 - Improvements in bobbin' enclosure for textile twisting : en
  • AU110438A - Improvements in axle-counting equipment for railway signalling : en
  • FI18431A - Apparatus for the continuous processing of fibrous pulp into chemicals : en fi
  • USD114050S - Design fob a garment clasp : en
  • FI18412A - Ångkraftanläggning : en fi
  • FR839219A - Apparatus and method for maintaining and processing biological samples in an aseptic and controlled environment : en fr
  • AU106929B2 - Improvements in or relating to disturbance reducing circuit arrangements for radio receivers andthe like : en
  • AU106945B2 - Improvements in cellulosic tissue products : en
  • DE673960C - Process for the purification of distillation gases of solid fuels and for the recovery of by-products : de en
  • GB503199A - Improvements relating to closet seats and the like : en
  • PL28049B1 - TV set. : en pl
  • US2151975A - Varnish : en
  • PL28095B1 - A method of obtaining smooth surfaces when casting metal objects. : en pl
  • CH203671A - Device for changing the thread guide speed on package, winding and stack twisting machines. : de en
  • GB503026A - Improvements in mirror drums for television scanning devices : en
  • CH203789A - System with a gas discharge tube fed by an alternating current source. : de en
  • DE673829C - Process for operating flame ovens, in particular Siemens-Martin ovens, with rich gases : de en
  • DE673902C - Device on sockets, which allows a safe single-pole insertion of a plug : de en
  • GB503070A - Improvements in and relating to the manufacture of wire : en
  • US2151921A - Method of modulating high frequency transmitters : en
  • US2152000A - Window blind : en
  • US2152171A - Governor : en
  • US2152371A - Preparation of pentaerythritol : en
  • US2152555A - Controlling apparatus for winches : en
  • PL28004B1 - Toilet bowl rinse. : en pl
  • US2152293A - Hydrostatic tool feed : en
  • US2152585A - Dictating machine : en
  • US2152359A - Hair waving heater : en
  • US2152534A - Method and apparatus for applying closures to receptacles : en
  • GB503025A - Improvements in or relating to television receiver systems including a plurality of cathode ray tubes : en
  • GR8084B - METHOD AND MEANS OF IMPROVEMENTS OF THE FLOUR MILL. : el en
  • USD114007S - Design for a bottle : en
  • DE673883C - Extinguishing pipe for electric gas switch : de en
  • US2152449A - Check book : en
  • FR839181A - Improvements to molding machines with multiple molds on an endless line : en fr
  • GB502989A - Improvements in transforming alternating rectilinear movement into continuous rotary movement : en
  • US2152598A - Amusement apparatus : en
  • DE673846C - Device for the optional reception of two messages : de en
  • DE673972C - Rotary printing duplicator : de en
  • FR839249A - Mechanical oar that pushes the boat in the direction of the rower's visibility : en fr
  • US2152018A - Plant support or trainer : en
  • FR839103A - Process for producing zinc from zinciferous materials in a shaft furnace, or similar furnaces with direct heating : en fr
  • DE673874C - Process for the preparation of antimony complex compounds : de en
  • FR839237A - Shoe : en fr
  • CA380439A - Display carton : en fr
  • PL28097B1 - The method of determining the changes in the electric resistance of the earth's geological deposits and the device for the application of this method. : en pl
  • US2152603A - Snap fastener member : en
  • USD113973S - Design for a shoe : en
  • CH203793A - Device for controlling the gas supply to gas-heated equipment, e.g. B. water heaters. : de en
  • GB503089A - Improvements in or relating to foldable photographic cameras : en
  • FR839199A - Incandescent electric lamp with an operating pressure greater than one atmosphere : en fr
  • FR839239A - Steel : en fr
  • FR839303A - Improvements to electrodes for positive discharge devices : en fr
  • DE673535C - Process for the stabilization of cellulose esters of organic acids : de en
  • GB502971A - Improvements in means for detecting the presence of suspended matter in fluids : en
  • GB502902A - Improved device for driving boards, planks or the like into the ground : en
  • FR839116A - Improvements in the use of fluorescent materials : en fr
  • FR839325A - Process for improving the properties of nigrosins and indulins and resulting products : en fr
  • DE673863C - Cash register : de en
  • GB503094A - An improved construction of laminated material : en
  • FR839154A - Rigid insulator in oil bath : en fr
  • FR839177A - Adjustable blade press guide for mowers : en fr
  • USD114024S - Design fob an adjustable lamp : en
  • GB503107A - Improvements in and relating to horticultural forcing frames, garden frames, greenhouses and the like : en
  • DE673771C - Electric timepiece : de en
  • FR839283A - Handle collar for bottles and the like : en fr
  • GB503328A - Improvements in and relating to conveyors of the endless band type : en
  • GB503127A - Improvements in follow-up mechanisms : en
  • US2151797A - Photoelectric tube : en
  • US2152094A - Collar : en
  • IS112B6 - Machine for cutting fillets from fish : en is
  • PL27989B1 - Directional microphone. : en pl
  • US2152141A - Attachment for artificial limbs : en
  • USD114015S - Design fob a cross : en
  • GB502913A - A process of strengthening the edge or edges of waterproof garments : en
  • FR839104A - Elastic fabric : en fr
  • GB502970A - Improvements relating to aircraft landing gear : en
  • GR8094B - INSTALLATION SYSTEM, ESPECIALLY DIGESTIVE. : el en
  • GB502880A - Process for the catalytic conversion of oxides of carbon into higher hydrocarbons bymeans of hydrogen : en
  • GB502889A - Improvements in or relating to fluid pumps : en
  • FR839294A - Improvements to closures of high pressure containers : en fr
  • GB502934A - Improvements in or relating to temperature controlling and ventilating systems : en
  • GB503197A - Improvements relating to magazine gramophones : en
  • US2151800A - Oscillation device : en
  • US2151682A - Fountain striping device : en
  • US2151837A - End fastening for wire rope : en
  • US2152570A - Braking device : en
  • DK55972C - Process for the preparation of thioacetal or thioacetolsulfonic acids. : da en
  • FR839202A - Power circuits for thermionic lamps : en fr
  • GB502973A - Improvements in fluids for the detection of cracks in ferrous metals by magnetic means : en
  • FR839213A - Fast ion production device : en fr
  • FR839242A - Improvements to electric discharge tubes and devices incorporating them : en fr
  • US2151767A - Telephone system : en
  • GB503001A - Back-pedalling brake for cycles : en
  • DE673602C - Process for the preparation of dyes of the anthraquinone series : de en
  • CA380441A - Cooking utensil : en fr
  • US2151942A - Television method : en
  • US2152460A - Manufacture of photographic gelatin emulsions : en
  • US2151680A - Tri-(4-tertiary-alkyl-1.2-phenylene) phosphates : en
  • DE673826C - Rotary rock drilling device : de en
  • US2152365A - Structure for electrically curing or hardening moist workpieces : en
  • US2152442A - Brake applying and equalizing mechanism for universal rocking wheel vehicles : en
  • US2152458A - Motor : en
  • GB503318A - Process of producing photographic colour pictures : en
  • DE673954C - Monitoring device : de en
  • CH203826A - Carrying strap attachment to knapsacks. : de en
  • DE673828C - Process for the manufacture of novolaks : de en
  • CH203847A - Device on rail vehicles for supplying and applying lubricants in order to reduce the friction between wheel flanges and rail heads. : de en
  • CH203770A - A pressurized gas machine and a flywheel starter for internal combustion engines, especially those in aircraft. : de en
  • DE673948C - Process for the production of sodium bicarbonate : de en
  • PL28074B1 - Reaction device for the use of catalytic metal fabrics. : en pl
  • CA380449A - Cable layer and recovery apparatus : en fr
  • US2152508A - Bearing hold-up and hold-down : en
  • US2151812A - Automatic reclosing system for circuit breakers : en
  • US2151862A - Food handling apparatus : en
  • US2152459A - Vent pipe for storage tanks : en
  • PL27993B1 - Advertising device for the production of variable apparent rotating luminous blocks or parts of rotating blocks. : en pl
  • US2152097A - Automatic ignition cut-off : en
  • CH203845A - Teleferica monofune. : en fr
  • AU106983B2 - A process of manufacturing butter : en
  • US2152291A - Refrigerated case : en
  • CA380310A - Phonograph drive : en fr
  • US2152122A - Automatic electric cooking utensil : en
  • US2152345A - Fluid pressure braking system : en
  • CH203750A - Safety razor. : de en
  • US2152427A - Stabilizing device : en
  • US2152445A - Distribution system : en
  • CH203880A - Process for the preparation of a leuco ester of a dye of the anthraquinonazole series. : de en
  • US2152591A - Screw and washer assembling machine and method : en
  • US2151717A - Vertical file folder : en
  • US2152050A - Optical instrument : en
  • US2152225A - Closure for receptacles : en
  • US2152489A - Brake : en
  • CA380451A - Cigarette and cigar lighter : en fr
  • CH203679A - Device on trousers with attached waistband to adjust their waist size. : de en
  • AU384338A - An improved method of uniting the ends of metal band straps : en
  • CA380382A - Price tag : en fr
  • CA380329A - Phosphate coated ferrous article production : en fr
  • DE660885C - Jig for overhead lines : de en
  • FR839297A - Improvements in the treatment of hydrocarbon oils : en fr
  • CA380440A - Shoe : en fr
  • DE673723C - Vertical intermediate conveyor for underground mining operations : de en
  • DE673925C - Device for the automatic milling of cams according to a drawing with the help of a photo cell : de en
  • US2151707A - High frequency oscillator and modulator : en
  • USD114041S - Design for a dress : en
  • DE673712C - truck : de en
  • DE673941C - Process for the production of sponge iron from zinc-containing gravel waste : de en
  • US2151832A - Cam motion transmitting device : en
  • US2152121A - Automatic control of clutch and throttle actuation of automotive vehicles : en
  • USD113980S - Design fob a clip or similar article : en
  • DE673786C - Control device for radio receivers : de en
  • FR839186A - Improvements to taps : en fr
  • AU106926B2 - Improvements in or relating to telephone subset circuits : en
  • US2152418A - Building construction : en
  • US2151727A - Container for liquids : en
  • CA380314A - Bast fibre bleaching apparatus : en fr
  • USD114032S - Design for a dress : en
  • US2151808A - Machine tool transmission and control : en
  • US2152135A - Combined letter sheet and envelope : en
  • US2152177A - Sound-wave generator : en
  • CA380435A - One-way clutch mechanism : en fr
  • CA380426A - Chimney cowl : en fr
  • US2151688A - Convertible power machine unit : en
  • US2152436A - Fountain pen : en
  • CH203715A - Process for the production of hollow bodies, in particular cartridge and cartridge cases, made of metal. : de en
  • CH203749A - Device for sharpening razor blades. : de en
  • CH203803A - Process for the preparation of an unsaturated polycyclic ketone. : de en
  • US2152346A - Fish basket : en
  • US2152424A - Designoscope : en
  • CA380360A - Blowpipe : en fr
  • US2152316A - Antenna : en
  • US2152538A - Closed car ventilation : en
  • AU110538A - Voltage supply regulators : en
  • DE673774C - Process for removing the fluorine content from rock phosphates : de en
  • DE673993C - Electric cathode glow lamp of dwarf lamp size : de en
  • PL28123B1 - A device indicating the height of the liquid level in the tank. : en pl
  • DE673715C - Closure for bottles and similar containers : de en
  • CA380352A - Sheet material article production : en fr
  • US2152124A - Engine starting mechanism : en
  • USRE21039E - Method of grinding : en
  • PL28063B1 - A device for taking stereoscopic cinematographic photos. : en pl
  • US2151719A - Electric vaporizer : en
  • US2151922A - Receiver for electromagnetic waves : en
  • US2152440A - Commercial phonograph : en
  • US2152506A - Steering linkage : en
  • US2152070A - Traffic signaling system : en
  • US2152213A - Metal scarfing machine and process : en
  • US2151803A - Cathode for electron discharge devices : en
  • US2152042A - Power relay : en
  • US2152331A - Helical-fin heat-exchange unit and method of production : en
  • US2151891A - Automatic gramophone and the like : en
  • AU106991B2 - Improved retirable sanitary pan : en
  • CA380456A - No-metal key container : en fr
  • AU113038A - Electron discharge apparatus : en
  • GB503133A - Improvements in or relating to oscillatory circuit tuning control devices : en
  • US2152004A - Container for the dispensing of predetermined quantities of powdered, granulated, or liquid materials therefrom : en
  • US2152238A - Material treating apparatus : en
  • USD114040S - Design fob a dress ensemble : en
  • US2151735A - Colored picture projector : en
  • FR839268A - Manufacturing process for friction parts, such as brake linings and friction clutches : en fr
  • FR839335A - Improvements to telephone devices : en fr
  • GB503202A - Improvements in and relating to toggle operated presses : en
  • US2152310A - Clutch mechanism : en
  • GB502826A - Improvements in the manufacture of laminated wooden blocks : en
  • GB503050A - Process and apparatus for the continuous casting of castings with continuous longitudinal hollow spaces or of several castings in one chill mould : en
  • US2152053A - Aircraft construction : en
  • GB503102A - Improvements in or relating to draughting machines : en
  • CH203677A - Soft turn-down collar with a device for stiffening and holding the front corners together with collar stiffeners that can be inserted into pockets. : de en
  • DE673886C - Slit optics for recording or scanning optical sound recordings : de en
  • US2152462A - Electric circuit : en
  • CH203839A - Device on motor vehicles to support the car body on a rigid wheel axle. : de en
  • CH203848A - Signaling installation for railways. : en fr
  • FR839130A - Improvements to push-pull amplifiers : en fr
  • US2152220A - Drilling bucket hammer : en
  • PL28080B1 - Pipe connector. : en pl
  • PL28105B1 - Auxiliary system for exercises in unfolding and folding logs. : en pl
  • FR839140A - Electric cable or conductor similar to a cable, provided with a closed jacket of lead or other press-machined materials : en fr
  • US2152128A - Method of making piston rings : en
  • FR839252A - Automatic floating fire extinguisher for gasoline tanks : en fr
  • US2152565A - Automobile lock : en
  • US2152298A - Connector for bailers and sand pumps : en
  • US2152394A - Astronomical mirror : en
  • USD114017S - Design fob a cigarette dispenser : en
  • FR839308A - Glue : en fr
  • US2151713A - Arrangement to avoid condensation within cold insulations : en
  • US2151990A - Recovery of organic compounds : en
  • US2152401A - Artificial limb : en
  • FI18437A - Anchorage with slipper for skidding and skidding : en fi
  • US2152055A - Window regulator : en
  • US2152221A - Film feeding device : en
  • US2151817A - Process for the production of plane photographs having plastic or relief effects : en
  • US2151712A - Shoe bottom pressing machine : en
  • FR839273A - Contact surface on aluminum or aluminum alloy conductors : en fr
  • FR839299A - Voltage regulator device : en fr
  • GB502952A - Improvements in or relating to gyratory crushers : en
  • CH203755A - One-piece braking element designed as a round body. : de en
  • PL28077B1 - Solder for brass and copper items. : en pl
  • US2151833A - Ball and socket joint : en
  • USD113991S - Design fob a toy ob siahlab abticle : en
  • US2152111A - Air feed for diving suits : en
  • US2152290A - Agricultural implement attachment : en
  • FR839179A - Composition for whitewash : en fr
  • FR839209A - Armchair-sofa with slides : en fr
  • US2151678A - Direct current welding generator : en
  • DE673977C - Split vacuum cleaner housing : de en
  • GB503139A - Improvements in and relating to variable electric resistances or potentiometers : en
  • US2152295A - Apparatus for producing additional draft in drawing frames : en
  • DE673731C - Process for the preparation of sulfonic acids of the arylides of higher molecular aliphatic carboxylic acids : de en
  • GB503105A - Improvements relating to valve-gear : en
  • AU117839A - Improvements in Braun tubes : en
  • DE673914C - Block shape with an entry opening in the center of the floor : de en
  • DE673983C - Form set consolidated by a holder : de en
  • US2151932A - Process for manufacturing porous articles of clay : en
  • US2151998A - Steering booster : en
  • US2152098A - Transmission mechanism : en
  • CH203733A - Rectangular waterproof watch case with horns. : en fr
  • CH203853A - Fruit sorting and preserving machine. : de en
  • US2152195A - Cigarette holder : en
  • US2152264A - Method of and apparatus for surfacing pavements : en
  • GB502995A - Spray pumps : en
  • GB503132A - Improvements in and relating to tobacco feeding mechanism for cigar making machines : en
  • PL28053B1 - Hydraulic pedal unit or clutch and gearbox. : en pl
  • US2151683A - Method and apparatus for casting copper anodes : en
  • US2151737A - Apparatus for the manufacture of abrasive coatings : en
  • US2151958A - Hydroplane hull : en
  • US2152340A - Superheater boiler : en
  • US2152557A - Desk stand : en
  • US2152464A - Television and the like system : en
  • CH203734A - Waterproof box. : en fr
  • FR839214A - Improvements in socket outlets for electrical circuits : en fr
  • PL28119B1 - A piece of equipment for a game that mimics modern warfare. : en pl
  • US2152386A - Speed control mechanism : en
  • PL28031B1 - High frequency device tuned by varying the inductance of the coil. : en pl
  • US2151730A - Packing device for relatively rotatable parts : en
  • US2152452A - Pyrophoric flame producing mechanism : en
  • CA380344A - Lighting fixture : en fr
  • US2152081A - Camera latch : en
  • US2151811A - Mount for electron discharge devices : en
  • DE673775C - Device to facilitate the starting of compression refrigeration machines : de en
  • US2152231A - Lock screw device : en
  • US2152566A - Ventilating storm window : en
  • PL28013B1 - Tilting or lifting table for sheet metal mills. : en pl
  • US2151677A - Rotary rug rack : en
  • DE673691C - Control for converter : de en
  • US2151879A - Knitted fabric and method of making the same : en
  • US2152609A - Knock-down desk : en
  • DE673733C - Cleaning system for gas used for cementing : de en
  • DE673739C - Electrical resistance for reducing the voltage of incandescent lamps, e.g. for blackout purposes : de en
  • GB502975A - Improvements in or relating to optical systems particularly for use with electron discharge devices : en
  • GB503131A - A method of reducing the amount of manganese lost in the production of thomas steel : en
  • DE673827C - Procedure for dismantling with flushing offset : de en
  • GB502839A - Improvements in or relating to the typographic means used for preparing and producing duly punctuated hebrew or the like matter : en
  • PL28065B1 - Method for the production of dicalcium phosphate and calcium nitrate solution. : en pl
  • US2151796A - Discharge apparatus : en
  • AU106927B2 - Improvements in roller canvas blinds : en
  • CH203716A - Device for cutting off a communication route such as a road, a railway line. : en fr
  • US2152076A - High temperature shaft or roll : en
  • US2152170A - Method of preparing icing : en
  • PL28020B1 - A method of producing cellulose. : en pl
  • AU106978B2 - Separators for electric accumulators : en
  • AU176338A - Improvements in stockings : en
  • US2151894A - Apparatus for sorting household rubbish : en
  • US2152242A - Recovery of lead values : en
  • DE673727C - Chain or traveling grate firing : de en
  • GB503031A - Improvements relating to hose couplings and like connections : en
  • CA380423A - Bronze powder manufacture : en fr
  • USD114045S - Design for a dress : en
  • GB503079A - Improvements relating to the delustring of artificial silk : en
  • DE673690C - Device for the optional remote control of a plurality of apparatus and switching devices : de en
  • GB503045A - Improvements in or relating to dart boards : en
  • GB503086A - Improvements in or relating to clutches : en
  • DE673852C - Process for obtaining therapeutically usable conversion products of ergosterol and similar substances : de en
  • CH203872A - Process for the preparation of a water-soluble monoazo dye. : de en
  • FI18413A - Ångkraftanläggning med värmeacumulator : en fi
  • CH203699A - Process to fresh sea silt respectively. to make silt-like masses transportable. : de en
  • CH203743A - Device for the production of electrically welded tubes from a metal strip. : de en
  • CH203883A - Two-stroke internal combustion engine. : de en
  • AU106956B2 - Improvements in sliding door runners : en
  • CH203831A - Device for emptying tubes. : de en
  • DE673835C - Fault display device for devices for the electrical control of technical-physical operating parameters, in particular the energy output of electrical power generators : de en
  • US2151991A - Machine for creasing the joints of books : en
  • US2152362A - Deflecting coil for cathode ray tubes : en
  • US2152494A - Telephone-hand-set mounting : en
  • PL28086B1 - A method of obtaining zinc oxide from a mixture containing zinc oxide and oxides of other volatile metals. : en pl
  • US2151999A - Container : en
  • CH203723A - Automatic dialer. : en fr
  • CH203691A - Process for the preparation of an azo dye. : de en
  • US2152303A - Recording instrument : en
  • US2152451A - Torch igniting apparatus : en
  • AU415838A - Improvements in or relating to undercarriage for aircraft : en
  • CA380447A - Garment hanger cover : en fr
  • CH203709A - Process for the rasterization of pictorial originals. : de en
  • CH203687A - Process for washing vapors with harmful admixtures in work or heating processes, in particular in thickening plants with heat pumps. : de en
  • CA380445A - Pipette : en fr
  • CA380387A - Cable support : en fr
  • FR839220A - Coating for dental technology : en fr
  • DK55970C - Method and Apparatus for the Continuous Production of Hydrogen Peroxide. : da en
  • CH203781A - Closed high-performance fuse, especially network fuse. : de en
  • USD113965S - Design fob a doll : en
  • USD114034S - Design fob a bottle carrier : en
  • AU105638A - Improvements in or relating to disturbance reducing circuit arrangements for radio receivers andthe like : en
  • CH203688A - Process for exchanging cations in solutions. : de en
  • FR839147A - Suspension, mainly for motor vehicles : en fr
  • CA380459A - Ski shoe : en fr
  • AU106932B2 - Improvements in stockings : en
  • CH203724A - Pointer on precision instrument. : de en
  • DK55988C - Two-stroke internal combustion engine and procedure for starting it. : da en
  • FR839162A - Process for improving the protective effect against parasitic currents of metal braided armored cables : en fr
  • FR839318A - Metallized papers or the like and process for making them : en fr
  • AU360538A - Improvements in advertising signs and the like comprising electric dischharge lamps : en
  • FR839315A - Process for dissolving aminophenylsulfonamides and resulting solutions : en fr
  • CH203736A - Bandage wire. : de en
  • GB503122A - Improvements in or relating to apparatus for the introduction of gaseous medicamentsinto the human body and for simultaneous withdrawal of superfluous gas from the neighbourhood of the point of introduction : en
  • GB502982A - Improvements in or relating to loose leaf bindings : en
  • CH203646A - Device allowing the locking and unlocking of the two frames coupled with a double window. : en fr
  • FR839272A - Long tang knife : en fr
  • CH203788A - System with gas discharge tubes connected in parallel. : de en
  • US2152307A - Method of preventing infiltration in wells : en
  • US2152465A - Electric capacitor : en
  • GB502838A - Improvements in stabilized chlorinated solvents and method of stabilizing such solvents : en
  • DE673975C - Inlay knitted or knitted in the shape of a tire for the jacket of pneumatic tires : de en
  • GB502909A - A box or container for storing and mixing powders and like materials : en
  • DE673808C - Device for the optional supply of a generator gas-air mixture and a fuel-air mixture produced by a carburetor in an internal combustion engine operating with a compressor : de en
  • AU248438A - Improvements in automatic fidelity control : en
  • AU58838A - Improvements relating to driving pitmans : en
  • CH203809A - Gas mask. : de en
  • DE673770C - Device for dispensing rings pulled onto a rod or the like. : de en
  • DE673947C - Device for shrinking laundry : de en
  • DK55973C - Procedure for the Preparation of Enol Derivatives of 3-Keto Steroids. : da en
  • PL28122B1 - A method of producing spongy articles from rubber milk or other emulsions or water-based rubber dispersions and similar materials, e.g. gutta-percha, balates and synthetic rubber. : en pl
  • GB503037A - Automatically actuated date indicator : en
  • BE432810A - : en
  • DE673911C - Firing grate with a mechanically moved grate upstream of the combustion grate : de en
  • PL28057B1 - Silencer to suppress sounds caused by the flow of gases. : en pl
  • GB503299A - Electric sadirons : en
  • US2151806A - Electrolytic condenser and method of making same : en
  • US2151923A - Mercury switch : en
  • DE673760C - Device for driving Dutch people : de en
  • AU106920B2 - Improvements in and relating to illuminated signs : en
  • US2151815A - Parachute opening means : en
  • FR839245A - Telegraph installation with central offices operated by selectors : en fr
  • DE673657C - Internal combustion engine that is put into operation by means of compressed air : de en
  • US2152419A - Variable pitch propeller : en
  • DE673830C - Manganese-silicon-iron alloy, especially for powder cores : de en
  • GB503030A - Improvements in steam boilers of the locomotive boiler type : en
  • DE673794C - Locking device : de en
  • GB502938A - Improvements in and relating to electric heaters : en
  • GB503103A - Improved yarn brake : en
  • DE673940C - Process for removing predominantly beer stone deposits : de en
  • FI18440A - A method of making a powder mixture and a machine for carrying out the method : en fi
  • US2152358A - Brush : en
  • USD113982S - Design fob a combined sandglass : en
  • US2151757A - Amplifier system : en
  • US2151827A - Conversion of hydrocarbon oils : en
  • FR839313A - Inkwell with pen holder and pen holder for desk : en fr
  • US2151895A - Utility pail attachment : en
  • US2152143A - Raisin cleaning method : en
  • GB503114A - Improved carton or container particularly suitable for the marketing of merchandise and blank for forming same : en
  • DE673740C - Synchronization circuit for three-phase drives with two operating speeds : de en
  • GB503063A - Improvements relating to pneumatic thread holders for weft replenishing looms : en
  • AU106950B2 - Improvements in sheep shears : en
  • US2151920A - Trailer hitching : en
  • US2152421A - Vehicle stake : en
  • US2152426A - Toilet paper holder : en
  • US2152516A - Method of coating collapsible tubes : en
  • GB502949A - A wet crushing device for materials of all kinds : en
  • CA380328A - Electrolytic condenser : en fr
  • GB503090A - Process for making cellulose ethers and the product produced : en
  • GB502837A - Improvements in or relating to circular knitting machines : en
  • GB502840A - Improved recovery of cellulose ether : en
  • GB503077A - Improvements in colour photography : en
  • CA380309A - Liquid supply and control device for laundry machines : en fr
  • CH203885A - A process for the preparation of sodium γ-phenyl-propyl- (para-aminobenzenesulfamide) -a, γ-disulfonate. : en fr
  • AU106941B2 - Improvements in advertising signs and the like comprising electric dischharge lamps : en
  • GB503128A - Improvements in brakes for cycles and the like : en
  • DE673703C - Sound box guide device for self-recording of records : de en
  • DE673971C - Process for the extraction of the female oestrus hormone from the acidified urine of pregnant mares : de en
  • GB503130A - Improvements in or relating to electric heat treating apparatus : en
  • US2152169A - Sound absorbing unit : en
  • US2152052A - Means for retarding escapes : en
  • US2152343A - Permanent waving apparatus : en
  • US2152473A - Treatment of combustible gases : en
  • PL28058B1 - Sledges, especially bicycle sleds, equipped with a chain drive gear. : en pl
  • US2152118A - Machine for unrolling, measuring, and rerolling yardage : en
  • US2152411A - Gas producer : en
  • US2151963A - Method of eliminating foam and froth from the surfaces of fluids and semifluids : en
  • US2152455A - Dishwashing machine : en
  • US2152153A - Thermocouple : en
  • US2152392A - Abrasive article and method of manufacturing the same : en
  • US2151896A - Bottle case structure : en
  • US2152007A - Azo dyestuffs and their production : en
  • CH203704A - Keyboard for high-speed typewriters. : de en
  • CH203882A - Timing mechanism with rate control by a synchronous motor serving as a comparison mechanism. : de en
  • DE673776C - Manufacture of items from chemically neutral austenitic chromium-nickel-steel alloys : de en
  • FR839170A - Listening table : en fr
  • FR839340A - Electrically operated lock specially for motor vehicle doors and others : en fr
  • GR8091B - AUTOMATIC SECURITY LOCK WITHOUT KEY. : el en
  • DE673717C - Protection device for machines with reciprocating tools, especially for stamping machines : de en
  • GB502999A - Improvements in or relating to insulating seals for high tension electric conductors passing into gas filled chambers : en
  • FR839332A - Improvements to tractor wheels : en fr
  • US2152028A - Fuel economizer : en
  • DE673765C - Bicycle support : de en
  • DE673825C - Wreath seal for the impeller of water turbines and pumps : de en
  • DE673891C - Process for the pretreatment of hydrous oxydic manganese ores by heating above 100 ° C : de en
  • FR839138A - Centrifugal force regulator, in particular for supplying fuel in internal combustion injection engines : en fr
  • GB502928A - Delivery-chute or charging apparatus more especially for charging carbonising retorts : en
  • GR8086B - PERFECTIONS ON THE GRINDING MACHINES. : el en
  • US2152526A - Circulatory cooling system for internal combustion engines : en
  • SU54677A1 - High speed chromium steel : en ru
  • DK55978C - Tuning mechanism for Radios. : da en
  • US2151723A - Tooth restoration and anchorage and process of forming same : en
  • US2151845A - Overhead door : en
  • US2152477A - Washing machine : en
  • DE673888C - Process for the production of strips and sheets for cans, sheet metal packaging and like : de en
  • US2152562A - Method of purging and washing solids in a centrifugal : en
  • PL28114B3 - Http F4cl <45 / lh Check valve. : en pl
  • US2151764A - Process of purifying annealing gases : en
  • US2152513A - Polarizing attachment for optical instruments such as microscopes : en
  • US2152073A - Bib apron : en
  • AU290538A - Improvements in or relating to radio receiving apparatus comprising tuning facilitating means : en
  • CH203798A - Electric lamp. : de en
  • USD113969S - Design for a slipper : en
  • CH203652A - Self-locking claw to hold open shutters of any thickness. : de en
  • CA380335A - Cigarette packing apparatus : en fr
  • CH204860A - Process for the preparation of a fertilizer containing peat litter. : de en
  • AU101338A - Improvements in or relating to gummed tape : en
  • AU106928B2 - Improvements in or relating to single sideband modulated carrier wave transmitters : en
  • CA380433A - Dental massaging device : en fr
  • US2152330A - Automatic wrapping machine : en
  • US2151739A - Reduction of noise : en
  • US2151747A - Receiving system : en
  • US2151900A - Cross-chain for tire chain assemblies : en
  • US2152192A - Assemblable support for articles : en
  • FR839321A - Zymothermal closed cell for the transformation into fertilizer, by fermentation, of organic matter : en fr
  • US2152333A - Recording instrument : en
  • FR839212A - Method of improving the permeability of bulk cores produced by spinning : en fr
  • US2152002A - Combination furniture : en
  • US2152207A - Variable speed reducer : en
  • US2152461A - Method for the production of an alkali metal salt of a mono-alkyl trithiocarbonate : en
  • DE658764C - Method for breeding bacteria suitable for butyl alcohol-acetone fermentation : de en
  • FI18408A - Method for making hardcover books from a single piece of cover material : en fi
  • PL28036B1 - Device for introducing drugs into body cavities. : en pl
  • US2152008A - Casing perforator : en
  • US2151851A - Steering stabilizer : en
  • US2152529A - Electric clock : en
  • GB503119A - Improvements in and connected with endless chains or endless tracks for vehicles : en
  • US2151695A - Toasting apparatus : en
  • US2152241A - Absorption refrigeration : en
  • US2152315A - Frankfurter cooker : en
  • DE673730C - Process for the preparation of sulfonic acids of amides from aromatic amines and higher molecular aliphatic saturated carboxylic acids : de en
  • PL28025B1 - A method for the manufacture of shaped products from cellulose acetate, soluble in chloroform. : en pl
  • US2152193A - Stone cutting machine : en
  • GB502926A - Improvements in spinnerets and methods of producing the same : en
  • GB503204A - Improvements in lathes for machining metals : en
  • CH203675A - Vacuum cleaner. : de en
  • US2151864A - Machine for the manufacture of glass bottles : en
  • US2152567A - Chaser for die heads : en
  • AU101638A - Improvements in and relating to illuminated signs : en
  • US2151979A - Mercury cathode discharge tube : en
  • AU106992B2 - Improvements in or relating to slidable condensers having spiral electrodes : en
  • US2152110A - Diving suit valve : en
  • US2152488A - Window construction : en
  • US2152540A - Rail flaw detector mechanism : en
  • AU106974B2 - Voltage supply regulators : en
  • AU181938A - Improvements in and relating to convertible vehicle' bodies : en
  • US2152058A - Bench vise : en
  • US2152078A - Automatic choke control : en
  • US2152226A - Engine deceleration and governor control : en
  • USD114035S - Design fob an overshoe : en
  • US2152592A - Pile fabric loom : en
  • US2152614A - Ventilating device : en
  • USD113974S - Design for a brace top link : en
  • CH203692A - Process for the preparation of a monoazo dye. : de en
  • CH203657A - Brush with a friction body which becomes electrical through friction and which is made of a different plastic than hard rubber. : de en
  • US2151972A - Providing cast-iron articles with a cell-like surface : en
  • AU106985B2 - An improved method of uniting the ends of metal band straps : en
  • BE432908A - : fr
  • PL27991B1 - The method of polymerization of gaseous olefinic hydrocarbons. : en pl
  • CH203857A - Pepper, salt, sugar, coffee and the like mill. : en fr
  • CA380390A - Curtain : en fr
  • CA380429A - Glass tube cutter : en fr
  • DE673781C - Cinema projection machine with protection against heating of the film guide : de en
  • CH203805A - A method of stopping or preventing the growth of mold in materials susceptible to mold, and material treated by this method. : en fr
  • CH203783A - Electrolytic capacitor and process for its manufacture. : de en
  • CH203737A - Steel alloy. : en fr
  • DE673847C - One-legged, U-shaped or meandering two-metal strips for overcurrent heat triggers and relays : de en
  • US2152039A - Automatic change speed transmission : en
  • PL28002B1 - A method of increasing the wetting capacity of alkaline liquors with a concentration of at least 18 Be. : en pl
  • PL28015B1 - Heat exchanger. : en pl
  • GB503098A - Improvements in and relating to foldable supporting stands : en
  • US2152535A - Alarm system : en
  • US2151918A - Agricultural implement : en
  • US2151983A - Method of and apparatus for decorating and annealing glassware : en
  • USD114049S - Design for a textile fabric or : en
  • CA380342A - Fabric preparing process : en fr
  • CH203815A - Self-induction unit for high frequency. : de en
  • AU106988B2 - Improvements in or relating to modulating circuit arrangements for high frequency magnetron oscillators : en
  • CH203865A - Process for the preparation of a disazo dye. : de en
  • GB503022A - Improvements relating to the control surfaces of aircraft : en
  • FR839302A - Improvements to circuits with electric valves : en fr
  • GB502845A - Improved cartridge lifting device for repeating and automatic fire-arms : en
  • PL28125B1 - .. 47 f, ajwr tcyina '/' Flare fittings. : en pl
  • BE432711A - : en
  • PL28046B1 - A method of producing plastics with low hysteresis, in which, after applying cold deformation after the last annealing, a non-permanence of less than 5 : en pl
  • US2152017A - Braking system : en
  • US2151699A - Casing for turbines : en
  • US2152205A - Muffler : en
  • USD114051S - Design fob leather : en
  • US2152041A - Brake : en
  • AU106930B2 - Method of and machine for manufacturing egg pulp : en
  • US2152515A - Automatic signal interference control : en
  • CH203696A - Process for making a soap cream. : de en
  • DE673837C - Device to prevent the self-tie from slipping out of stand-up collars while tying : de en
  • AU106933B2 - Improvements in and relating to convertible vehicle' bodies : en
  • US2151738A - Oral treatment device : en
  • US2152083A - Poultry bleeding and steaming machine : en
  • US2152391A - Dental appliance : en
  • US2152209A - Type composing machine : en
  • US2152606A - Card index : en
  • USPP321P - gaujard : en
  • US2152115A - Dust collector : en
  • CA12287S - Leather sole for use in repairing footwear : en
  • CA380431A - Spray drying apparatus : en fr
  • GB502903A - Improvements in sighting devices for guns : en
  • CA380425A - Advertising device : en fr
  • AU106953B2 - Improvements in or relating to automatic gain control circuits in radio andother carrier wave receivers : en
  • US2151977A - Shank piece and method of making the same : en
  • US2151870A - Trailer : en
  • AU106967B2 - Improvements in or relating to undercarriage for aircraft : en
  • FR839156A - Process for the hardening of albuminous substances : en fr
  • FR839290A - Device to prevent the ski from rolling back when going up slopes : en fr
  • CH203762A - Internal combustion engine. : de en
  • GB502974A - Improvements in beacon lights for guiding air-craft and the like : en
  • US2152161A - Inlaid article and method of inlaying : en
  • CA380312A - Cathode ray apparatus : en fr
  • CA380442A - Fuel pump protector : en fr
  • AU423338A - Compositions for treating soil : en
  • CH203707A - Roll film camera. : de en
  • US2151839A - Process of producing rubber hydrochloride : en
  • US2151871A - Welding electrode holder : en
  • US2152117A - Venetian blind : en
  • US2152503A - Vulcanizing and stretching press : en
  • US2152201A - Discharge device : en
  • DE673878C - Blank glow furnace with glow pot : de en
  • AU106977B2 - Improvements relating to convertible vehicles : en
  • CH203721A - Continuous bending machine. : de en
  • US2151795A - Thermionic amplifier circuits : en
  • CH203661A - Duvet. : de en
  • DE673992C - Ignition device for electric discharge lamps : de en
  • GB502990A - Improvements in or relating to motor driven rotary devices provided with a brush or the like : en
  • GB503224A - Improvements in or relating to applying adhesives to sheets of paper or the like : en
  • FR839167A - Method and apparatus for coating molds : en fr
  • GB503066A - Device for preventing clearance leakage in steam turbines : en
  • AU106942B2 - Improvements in electric discharge lamps : en
  • USD113976S - Design fob a shoe ob similar article : en
  • CA380452A - Container coating apparatus : en fr
  • CH203794A - Electric gas discharge tube. : de en
  • CA380315A - Multiplying device : en fr
  • CA380413A - Thermostat : en fr
  • AU424238A - An improved wrapper : en
  • BE432695A - : en
  • CA380406A - Circuit breaker : en fr
  • CH203808A - Collar stretcher. : de en
  • US2152237A - Mattress and method of manufacture : en
  • US2152511A - Hydraulic steering mechanism for road trailers : en
  • CH203776A - Device for holding a flexible electrical conductor connected to a non-stationary electrical consumer. : de en
  • DE673764C - Ever-ready case for cameras : de en
  • CA380410A - Winding machine : en fr
  • CA380458A - Profiling tool : en fr
  • US2151705A - Electric toaster : en
  • US2151996A - Self-starting synchronous motor : en
  • CH203698A - Heat generating material for horticultural warm beds and process for their production. : de en
  • USD113977S - Pencil tip : en
  • CA380362A - Polymerization product : en fr
  • CH203695A - Process for the preparation of 1, 4, 5, 8 tetraminoanthraquinone. : en fr
  • DE673912C - Protective cover for artificial silk ribbon : de en
  • FR839128A - Plate or artificial stone for construction : en fr
  • CH203674A - Electric iron. : de en
  • PL28022B1 - A sheath for tobacco, e.g. a cigarette tube or paper. : en pl
  • US2152032A - Spring suspension : en
  • CA380444A - Garment hanger : en fr
  • CH203804A - Process for the production of a medically usable product. : de en
  • CH203703A - Raffle ticket and process for its manufacture. : de en
  • US2151829A - Valve amplifying circuit : en
  • CA380436A - Liquid diffusion apparatus : en fr
  • US2151949A - Method and apparatus for converting heat energy into mechanical energy : en
  • CH203764A - Centrifugal governors, in particular for regulating the fuel supply to internal combustion engines. : de en
  • US2152229A - Overshoe : en
  • US2152533A - Hydrogenation of resins : en
  • USD114003S - Design for an embroidered textile : en
  • DE673787C - Process for the continuous production of lacquer hoses or similar insulating sleeves : de en
  • FR839235A - Process for producing magnesium oxide from raw materials which contain it : en fr
  • FR839346A - Regulator : en fr
  • US2151724A - Friction clutch : en
  • BE432778A - : en
  • DE673899C - Cooling machine with several evaporators : de en
  • US2152206A - Fuel and air mixer : en
  • US2152339A - Method of and apparatus for packaging materials : en
  • US2152582A - Window strip installation and fastener for the same : en
  • US2152616A - Cutter assembly : en
  • CA380372A - Engine starter : en fr
  • CH203791A - Braun tube. : de en
  • FR839296A - Magneto ignition : en fr
  • PL28072B1 - A method of producing wood pulp from a tree with a high resin content, especially from a pine tree. : en pl
  • FR839218A - Process for obtaining very elastic and very resistant yarns, sheets and other articles of viscose : en fr
  • FR839183A - Process for purifying celluloses of all types : en fr
  • CA380357A - Container : en fr
  • US2152144A - Aircraft : en
  • CH203681A - Sewing pattern. : de en
  • CH203697A - Process for the preparation of a rubber cement. : de en
  • PL28047B1 - A fastener for a stirrup leather, self-disconnecting in the event of a rider's fall. : en pl
  • GB502916A - Improvements in multi-tubular steam or hot water boilers : en
  • US2152313A - Clasp for hair ornaments : en
  • US2152381A - Stroke perfecting device for golfers : en
  • US2151966A - Apparatus for making infusions : en
  • US2152046A - Air nozzle for flat spraying appliances : en
  • US2151777A - Electron optics : en
  • US2152495A - Advertising display : en
  • US2152541A - Apparatus for testing the strength of molded bottle caps : en
  • CA380424A - Potassium nitrate : en fr
  • US2152287A - Automatic safety device for internal combustion engines : en
  • FR839257A - Space-saving minute counter and its combination, in particular with all pencils or pen holders : en fr
  • US2152314A - Frankfurter cooker : en
  • USD113979S - Design fob a clip ob similar abticle : en
  • FR839180A - A method of manufacturing hard glass or quartz glass lamp bases, and incandescent lamps using them : en fr
  • FR839113A - Loading device for vertical carbonization retorts : en fr
  • US2152530A - Clothes manipulating tool : en
  • US2152230A - Method of forming tampons : en
  • GB503010A - Container for dispensing materials : en
  • GB503004A - Improvements in and relating to laminated-disc brakes, clutches and the like : en
  • GB503080A - A method of stabilising solutions sensitive to heat : en
  • FR839126A - Improvements to vehicle brake control : en fr
  • FR839337A - Multiple tool holder : en fr
  • GB503005A - Radio direction finding systems : en
  • GB502987A - Improvements in or relating to processes for the treatment of beryllium ores : en
  • CH203802A - Device for polishing teeth. : de en
  • US2151676A - Air pistol : en
  • CH203800A - Electric lamp with a high pressure metal vapor discharge tube. : de en
  • US2151981A - Motor vehicle engine starting : en
  • US2151821A - Transmission regulation : en
  • DE673696C - Device for sucking off the contents and rinsing out tooth cavities : de en
  • CA12271S - Mask for a typewriting machine : en
  • US2152172A - Fan system : en
  • US2152297A - Sheet metal stock for paneling and other purposes : en
  • CA380318A - Radio circuit arrangement : en fr
  • AU64839A - An improved spinning bait for angling : en
  • DE673729C - Device for holding the collar button on the shirt band : de en
  • US2152504A - Coaxial cable terminal : en
  • DE673860C - Use and manufacture of lead-sodium alloys : de en
  • BE432880A - Electric discharge tube : en fr
  • GB502935A - Improvements in plate heat exchangers and a method of manufacturing same : en
  • CA380331A - Furnace wall : en fr
  • SU54635A1 - Speed relay : en ru
  • US2152173A - Sound reproducing apparatus : en
  • US2152549A - Carton for radio tubes : en
  • DE673628C - Strand channel for cigarette machines : de en
  • CH203720A - Adjustable capacity container for measuring coal. : en fr
  • US2151791A - Radiator or condenser : en
  • DE673721C - Mass conveyor : de en
  • DE673773C - Production of hydrogen : de en
  • DE673884C - Arrangement to limit the fault current with the help of a current-dependent resistor when the frame of electrical machines is closed : de en
  • US2152524A - Relay : en
  • US2152547A - Clothesline holder : en
  • US2152584A - Frame for fire screens, etc. : en
  • US2151988A - Water tube boiler : en
  • IE15468L - Toggle-operated presses : en
  • US2151766A - Magnetron : en
  • GB503049A - Improvements in or relating to friction clutches : en
  • US2152149A - Folding chair : en
  • DE673681C - Process for the preparation of halogen-substituted alcohols : de en
  • US2152087A - Power clutch and brake control : en
  • US2152250A - Continuous cycle heating and cooling system : en
  • US2152369A - Film magazine : en
  • GB503084A - Improvements in and relating to electrical terminal connectors : en
  • GB503121A - Process for purifying beet sugar juice : en
  • FR839266A - Improvements in road construction : en fr
  • DE673949C - Process for the preparation of basic substituted indoles : de en
  • PL28096B1 - A method of obtaining zinc oxide, and in particular zinc white, from materials containing zinc, but not predominantly containing metallic zinc, and an apparatus for carrying out this method. : en pl
  • US2152190A - Composite block : en
  • US2152347A - Disk ridger : en
  • FR839329A - Ignition device for internal combustion engine : en fr
  • GB503196A - Improvements in magazine gramophones : en
  • US2152615A - Pentamethine-omega-aldehydes of heterocyclic bases : en
  • US2152012A - Reinforced fabric strip and method of making : en
  • AU106990B2 - An improved junction box for electric cables or conductors : en
  • CH203647A - Coupling device for double windows. : de en
  • DE673745C - Clip for hanging fabric on curtain rails : de en
  • DE673986C - Receiver for amplitude and phase modulated vibrations : de en
  • GB503017A - Improvements in and relating to apparatus for automatic measuring and ejecting oil, spirits and the like : en
  • DE673704C - Tobacco pipe with a metal pipe lining the smoke channel and connected to the pipe head bore through a slot : de en
  • GB502996A - Method of preparing a depolariser by starting from natural oxides of manganese : en
  • GB503168A - Dyeing of cellulosic material : en
  • FR839285A - Cutouts and tabs applied to stationery to remove envelopes : en fr
  • FR839295A - Ignition distributor : en fr
  • FR839158A - Friction wheel drive and braking for warping machines : en fr
  • US2152548A - Seed gathering attachment for mowing machines : en
  • USD114009S - Design for a bottle : en
  • PL28100B1 - Method of covering a protective coating of porous materials, e.g. ferroconcrete, concrete, mortar, stone, brick, paper, cardboard, leather against all acid or alkaline liquids, gasoline, hydrocarbons etc. : en pl
  • US2152194A - Electric welding : en
  • US2152519A - Dianthrapyridones : en
  • FR839119A - High voltage ignition system : en fr
  • DE673583C - Pressure device for scales : de en
  • DE673821C - Carrying conveyor : de en
  • GB502939A - Improvements in and relating to impact pulverisers : en
  • FR839201A - Gas tap : en fr
  • FR839327A - Mechanical pencil with lead advance by successive pressures : en fr
  • US2152038A - Belt drive : en
  • FR839307A - Compression molded materials : en fr
  • CH203778A - Connection and tensioning sleeve for aluminum cable with steel core. : de en
  • US2152156A - Garment hanger : en
  • US2152301A - Draft regulator : en
  • US2152481A - Noise suppressor : en
  • GB502884A - Fuel economising device for explosion engines : en
  • DE673996C - Combined arc induction furnace : de en
  • US2152157A - Refrigerating apparatus : en
  • DK55981C - Methods and apparatus for making glass or glass fibers. : da en
  • AU106955B2 - Arrangements for removing currents from the outer surface of a coaxial transmission line, particularly when used in combination with a radio antenna : en
  • BE432728A - : en fr
  • DE673865C - Process for the treatment of galvanic zinc coatings : de en
  • DE673692C - Device for achieving a constant speed with asynchronous motors operated with fluctuating voltage and frequency : de en
  • US2151849A - Distillation of solid carbonaceous materials and apparatus therefor : en
  • US2152164A - Distillation process : en
  • USD114052S - Design fob a coat : en
  • US2152067A - Brake : en
  • FR839107A - Machine improvements for printing variable texts : en fr
  • PL28110B1 - A device for air conditioning, especially air refreshment. : en pl
  • DE673777C - Process for the production of an active material for alkaline accumulators : de en
  • DK55980C - Gas generator. : da en
  • USD113994S - Design for a beverage dispensing : en
  • USD114012S - Design for a vehicle door handle : en
  • DE673889C - Articulated cartridge belt : de en
  • DE674342C - Machine gun trigger on return mounts : de en
  • FR839238A - Tie : en fr
  • US2151673A - Core drill : en
  • USD113960S - Design for a bowling alley pin setter : en
  • PL28019B1 - Bomb launcher. : en pl
  • DE673767C - Spring drive for toys with control device to achieve different running speeds : de en
  • GB502901A - Methods of manufacturing electric discharge tubes : en
  • US2151807A - Cable terminal : en
  • US2152217A - Box hand truck : en
  • USD114038S - Design for a dress ensemble : en
  • FR839240A - Process for introducing lead into steel : en fr
  • DE670607C - Grinding and classifying shaft for coal dust mill firing : de en
  • US2151765A - Device for generating electrical oscillations : en
  • US2152106A - Dial construction : en
  • US2152136A - Thread guide : en
  • US2152275A - Fish lure : en
  • FR839233A - Process for the production of synthetic resin masses with curable phenolic resins : en fr
  • CH203879A - Process for the preparation of a water-soluble monoazo dye. : de en
  • US2152398A - Container and package : en
  • PL28062B1 - Method for the production of amines. : en pl
  • DE673818C - Completely or partly above ground arranged hall for aircraft etc. with earth wall : de en
  • DK55979C - Method of Making a Binder. : da en
  • FR839317A - Recording device : en fr
  • US2151867A - Clasp for garment supporters : en
  • BE432624A - : en
  • CA380359A - Shaking fourdrinier mechanism : en fr
  • CA380415A - Non-skid shoe attachment : en fr
  • US2152552A - Combined friction and positive clutch : en
  • CH203739A - High-percentage magnesium alloy. : de en
  • CH203886A - Process for preparing a bactericidal substance. : en fr
  • CH203801A - Suitcase with baby scales. : de en
  • FR839309A - Process for producing cast iron in cupolas : en fr
  • CH203828A - Process for the production of airtight packs using metal foil, in particular aluminum foil. : de en
  • PL28009B1 - Device for supporting the central roller of a triple rolling mill. : en pl
  • SU29640A1 - Fluid sampling device : en ru