• US2120441A - Process for applying silver halide colloid layers without distortion on future printing forms : en
  • CA374381A - Fluid pressure brake : en fr
  • CA374436A - Sewing machine needle : en fr
  • US2120266A - Fluid dispensing apparatus : en
  • US2120341A - Tiltable chair : en
  • US2120632A - Method of forming wheels : en
  • CH198336A - Process for the preparation of an azo dye. : de en
  • GB487166A - A process for the production of polymerisation products of tertiary olefines : en
  • GB487230A - Improvements in or connected with storage hoppers or bunkers : en
  • NL43576C - : en
  • US2120902A - Method of and means for making containers : en
  • DE661452C - Closed mains fuse cartridge : de en
  • US2120898A - Paper container : en
  • CH198175A - Drive device for cinema machines. : de en
  • USD110076S - Design for a shoe or similar article : en
  • SE92552C1 - : en
  • CA374390A - Footwear : en fr
  • CH198191A - Test device for polarization devices, in particular for traffic vehicles. : de en
  • US2120869A - Apparatus for testing projection lamps : en
  • US2120497A - Chain tightener : en
  • US2120543A - Apparatus for mixing materials : en
  • DK54867C - Automatic System for Protection against and Extinguishing Fire in Vessels and Vehicles. : da en
  • DE661216C - Counter with pressure and zero setting device : de en
  • DE661217C - Pendulum plow with individually rotatable and lockable legs : de en
  • US2120640A - Dispensing congealed foodstuffs : en
  • US2120623A - Rotary tool : en
  • CA374353A - Mercury switch : en fr
  • CA374384A - Brake system : en fr
  • US2120250A - Aerofoil : en
  • US2120742A - Tile or slab made from ceramic or like materials : en
  • GB487111A - Improvements in or relating to cycle brakes : en
  • GB487221A - Improvements in and relating to anti-dazzle devices for motor vehicle lamps, vehicle and road illuminating lamps and the like : en
  • US2120496A - Process of making protected metal : en
  • DE661238C - Arrangement for the arbitrary or automatic regulation of forming devices working with grid-controlled steam or gas discharge paths : de en
  • GB487183A - Improvements in and relating to dart boards : en
  • GB487063A - Improvements in or relating to multiple contact electric sockets : en
  • GB487303A - Improvements in or relating to sound recording apparatus : en
  • US2120911A - Strip guiding attachment for sewing machines : en
  • CH198099A - Process for the production of a warpable fiber sliver. : de en
  • CH198247A - Device for the electrical remote control of device shafts. : de en
  • CH198326A - Process for the production of a new azo dye. : de en
  • CH198341A - Process for the preparation of an azo dye. : de en
  • CA374382A - Vent protector : en fr
  • CA374442A - Shoe upper preparing method : en fr
  • AU225437A - Improvements in or relating to electric signalling systems : en
  • CH198263A - Discharge vessel for emitting a continuous spectrum in the ultraviolet. : de en
  • US2120570A - Terra cotta grinding machine : en
  • US2120585A - Moldable compositions : en
  • US2120894A - Method of producing free cutting steel : en
  • US2120928A - Abrading and cutting apparatus : en
  • USD110102S - Design fob a textile fabric or simi : en
  • GB487017A - Improvements in or relating to cylinder printing presses : en
  • FR829134A - Continuous speed change : en fr
  • CH198232A - Spark plug with sealing ring. : de en
  • US2120933A - Dispersing agent : en
  • US2120816A - Impregnating process for electrolytic condensers : en
  • US2120888A - Cleaning apparatus for textile machinery : en
  • US2120524A - Self-focusing reflector device : en
  • US2120914A - Electromotor : en
  • DE645916C - Heat exchangers, in particular for dairy purposes : de en
  • US2120380A - Signal device : en
  • DE661379C - Mortising and swing gates, especially for locks : de en
  • GB486954A - Improvements in means for laterally controlling aircraft : en
  • US2120777A - Food product : en
  • GB487174A - Improvements in sewing machines : en
  • DE661388C - Coupling element with two or more coils with a variable degree of coupling : de en
  • GB487238A - Improvements in vacuum cleaners : en
  • NL43475C - : en
  • US2120413A - Selective switch : en
  • CH198216A - Process for preparing bodies with an at least partly luminescent surface. : en fr
  • US2120404A - Sample holder : en
  • DE661235C - Device for regulating a forced flow tube steam generator : de en
  • GB487222A - Improvements in or relating to walls, partitions or the like : en
  • USD110066S - Design fob a hot dish mat : en
  • FR829112A - Toy plane : en fr
  • IE15108L - Distillation of liquid and solid carbonaceous material : en
  • DK54857C - Stove with several exhaust openings. : da en
  • FR829189A - Improvements relating to metal parts for reinforced concrete : en fr
  • GB486914A - Improvements in or relating to supervisory devices for liquid circulatory systems : en
  • GB487292A - Improvements in methods for the production of salts : en
  • FR829166A - Improvements to telephone, telegraph and other cables with concentric conductors : en fr
  • FR829272A - Electrically operated volumetric scale for granular materials : en fr
  • US2120593A - Method of wrapping venetian blinds : en
  • GB487097A - Improvements in depilating hides or skins : en
  • GB487007A - Improvements relating to leaf spring casings : en
  • GB487075A - An egg trap for laying hen cages : en
  • GB487191A - Improvements in or relating to screw stoppers for bottles and the like : en
  • DE661411C - Method for operating internal combustion engines : de en
  • FR829143A - Bombs, more particularly aircraft bombs and their manufacturing process : en fr
  • DE661255C - Process for the manufacture of dairy products : de en
  • US2120565A - Electric valve circuit : en
  • US2120736A - Marine signal : en
  • FR829115A - Method of manufacturing briquettes or agglomerates and apparatus allowing the execution : en fr
  • GB487099A - Improvements in and relating to constant capacity feeding mechanism for controlling the rate of feed of materials : en
  • GB486896A - Improvements in or relating to apparatus for transmitting images of moving visual phenomena : en
  • GB487314A - Improvements in washing apparatus : en
  • GR7452B - ELASTIC STRESSING DEVICE OF RAILWAYS ON WOODEN ROLLERS. : el en
  • GB487236A - An improved method of operating an evaporator : en
  • US2120628A - Laminated glass : en
  • US2120705A - Cigarette holder : en
  • US2120685A - Automatic latch concealed hinge : en
  • DE661179C - Carrier frequency multiple transmission system : de en
  • CH198126A - Process for the production of a long-life spice essence. : de en
  • US2120442A - Lapping compounds : en
  • US2120265A - Lifeboat launching device : en
  • US2120470A - Fastening device : en
  • US2120544A - Chloroether esters of dibasic acids : en
  • US2120723A - Preparation of hydrocarbon polymerizing catalysts : en
  • DE661277C - Process for the production of magnesium-containing phosphate mixtures : de en
  • US2120828A - Hanger : en
  • CH198123A - Knife for meat cutter. : de en
  • US2120256A - Process and apparatus for gas and liquid contact : en
  • US2120281A - Method of producing permeable bodies : en
  • GB487304A - Improvements in double-acting automatic slack adjuster for brakes : en
  • DE661172C - Method and device for producing water gas in chamber and retort furnaces : de en
  • DE660902C - Device for sanding curved wooden surfaces and round wooden sticks using sanding shoes : de en
  • FR829136A - Improvements to addressing machines : en fr
  • US2120795A - Heater : en
  • US2120236A - Lacquer : en
  • DE661407C - Tool fastening, especially for agricultural equipment : de en
  • GB486905A - Improvements in and relating to air-entraining and compressing injector apparatus : en
  • FR829168A - Improvements to elastic rollers for tracked vehicles : en fr
  • DE661345C - Nail cleaning device : de en
  • CA374391A - Centrifugal separator : en fr
  • SE92550C1 - : en
  • US2120510A - Rotary tube closure : en
  • USD110110S - Design for a hand truck : en
  • USD110134S - Design for a slipper : en
  • US2120257A - Fuel burner : en
  • GB487177A - Improvements in or relating to brewers' and like thermometers : en
  • GB487245A - Improvements connected with collapsible containers, the filling and stoppering of the containers and apparatus for use therein : en
  • GB487311A - Improvements in or relating to safety devices for internal combustion engines : en
  • GB487101A - Constructional material and method of manufacturing same : en
  • US2120843A - Pickling machine : en
  • DE661242C - Grate loading device, especially for locomotives : de en
  • US2120724A - Photographic film reeler : en
  • DE661176C - Process for the production of ascorbic acid : de en
  • US2120500A - Blade holder : en
  • US2120877A - Basing machine for electric lamps and similar articles : en
  • GB487281A - Improvements in or relating to the automatic indication of combustible gas admixtures : en
  • US2120430A - Stabilized solid hydrogen peroxide preparation : en
  • DE661307C - Bulletproof armored wall : de en
  • FR829240A - Improvements to synchronous transmission devices and particularly to printing telegraph devices : en fr
  • FR829165A - Double observation and firing post for flying machines and other applications : en fr
  • FR829241A - Process for the operation of internal combustion engines : en fr
  • GB487403A - Improvements in or relating to parchment paper and a method of making the same : en
  • DE661366C - Device for applying flexible razor blades when using suction air : de en
  • DE661360C - Device for injecting fluids under pressure, in particular poekellake into meat : de en
  • USD110081S - Design for a textile fabric : en
  • US2120440A - Game apparatus : en
  • FR829269A - Improvements to hydraulic automatic pilot devices : en fr
  • GB487179A - Improvements in or relating to vehicle wheels : en
  • GB487284A - Improvements in or relating to loose-leaf binders : en
  • GB487163A - Improvements in or relating to modulating systems for radio transmitters : en
  • DE661228C - Circulation regulator for gas generator : de en
  • FR829102A - New process for manufacturing pure sulfuric acid up to 66deg. bé : en fr
  • FR829277A - Method and device for making buckets : en fr
  • GB487127A - Improvements in or relating to model building blocks : en
  • GB486984A - Improvements in or relating to the oiling of dough pieces prior to being placed in tins for baking : en
  • FR829123A - Drum with safety plug for transporting drinking water : en fr
  • DE661165C - Gas mask : de en
  • GB487198A - Improved metal-faced heat and sound insulating material : en
  • CH198129A - Process for carrying out chemical reactions. : de en
  • US2120761A - Cordless electric sadiron : en
  • DE661458C - Jacket transformer, especially for feeding gas-filled rectifier tubes for welding machines : de en
  • GB486902A - Improvements relating to the voltolisation of hydrocarbon oils : en
  • GB487046A - Improvements in or relating to weighing apparatus : en
  • IE14720L - Moving floors for vehicles : en
  • US2120455A - Rotary filter : en
  • US2120528A - Spring assembly : en
  • US2120447A - Wire clamping device : en
  • US2120668A - Method of purifying tetrachloroethylene : en
  • DE661442C - Cleaning graphite for vacuum dischargers : de en
  • GB487141A - Improvements relating to light projectors, particularly for motor vehicles : en
  • US2120278A - Strip roofing with shingled effect : en
  • US2120416A - Process of manufacturing chemical picture carriers : en
  • DE661394C - Tariff current or other overload monitoring device for electrical installation consumer systems : de en
  • US2120530A - Fastening device : en
  • GB486884A - Improvements in and relating to the production of spiral filaments : en
  • CH198313A - Kötzerspulmaschine. : de en
  • CH198271A - Hair cutting scissors. : de en
  • CH198277A - Telecommunication system. : de en
  • US2120436A - Adjustable telescoping hanger for drying clothes : en
  • US2120728A - Water-insoluble azo dyestuffs : en
  • CA374448A - Undersea cable system : en fr
  • CA374361A - Print roll composition : en fr
  • CA374468A - Electric switch : en fr
  • GB487028A - Corrective insole for shoes : en
  • US2120289A - Electrical apparatus : en
  • US2120947A - Method of and apparatus for annealing glassware : en
  • CA374443A - Shoe sole treating method : en fr
  • CA374464A - Portable library : en fr
  • CH198079A - Process and plant for the production of a powdery mixture. : de en
  • FR829178A - Wiper : en fr
  • GB487033A - Improvements in or relating to cocks : en
  • GB487041A - Process for the treatment of wood : en
  • AU510836A - Improvements in fly-wire screens and means for attaching thesame to window sashes : en
  • DE661397C - Photoelectric cell : de en
  • CH198124A - Method and device for quick curing of meat. : de en
  • DE661396C - Device for the forced commutation of converter arrangements : de en
  • ES144118A1 - A fermentation process for the preparation of pulp for paper, starting from cellulose fibers with inlays. : en es
  • AU327637A - Improvements in apparatus for purifying and filtering liquids : en
  • US2120566A - Container closure and ejector : en
  • US2120417A - Art of preparing viscose : en
  • USD110077S - Design for a shoe or similar article : en
  • IE15191L - Resinous condensation products : en
  • CH198101A - Dishwasher. : de en
  • FR829204A - Plaster manufacturing process and resulting products : en fr
  • FR829256A - Process for the production of wire brushes : en fr
  • USD110094S - Design for a dress : en
  • GB486967A - Improvements in and relating to processes for the purification of combustible gases : en
  • DE661205C - Device to relieve the motor housing from the vibrations of the motor, especially for dental drills : de en
  • DE661215C - On and off device for needle tone devices : de en
  • GB487190A - Improvements in or relating to externally heated rotary drums or retorts : en
  • GB487217A - Improvements in or relating to apparatus for heating and circulating air : en
  • GB486903A - Improvements in cardboard box containers : en
  • GB486906A - Improvements in decorated objects and methods of obtaining same : en
  • GB487216A - Improvements in and relating to apparatus for combined massage and electric treatment of the body : en
  • CH198149A - Process for the production of a vat dye of the dipyrazole anthrone series. : de en
  • US2120805A - Tube support : en
  • US2120909A - Elastic fluid condenser arrangement : en
  • GB487079A - Improvements in gas-tight junctions with quartz : en
  • USD110118S - Design fob a dress : en
  • CH198331A - Process for the preparation of an azo dye. : de en
  • US2120234A - First aid kit : en
  • US2120692A - Door retainer or holder : en
  • DK54865C - Procedure for the manufacture of iron or steel straps. : da en
  • USRE20758E - Fastening trousers cuff : en
  • US2120237A - Treating fish and product thereof : en
  • DK54856C - Vacuum cleaner. : da en
  • GB487025A - Improvements in and relating to jet pulverizers : en
  • CH198287A - Card holder, in particular for restaurants. : de en
  • GB487049A - A new and improved method of and improvements in or connected with the design and construction of folding wings or planes for aircraft : en
  • FR829185A - Shut-off device for dispensing water or other liquid or gaseous fluid : en fr
  • DE661395C - Self-contained installation switch, the movable switching contact of which is carried by a bimetallic strip clamped on one side : de en
  • US2120867A - Cotton chopper : en
  • US2120279A - Bolt anchor : en
  • FR829280A - Improvements to high frequency electrical signaling systems : en fr
  • GB486908A - Improvements in the manufacture of ferrous alloys : en
  • GB487157A - Improvements in or relating to projection screens for use in television, cinematography, telecinematography or the like : en
  • GB487293A - Improvements in and relating to spacebands for matrix composing and type line casting machines : en
  • DE661190C - Method and device for disinfecting lockable liquid containers, preferably made of wood : de en
  • DE661272C - Process for the production of knitting and knitting machine needles : de en
  • USD110137S - Design for a handbag : en
  • DE661223C - Low gas alarm : de en
  • DE661439C - Device for generating light signals on a universal lamp field : de en
  • GB487285A - Hydrogenation of organic materials : en
  • CA374352A - Anthraquinone compound : en fr
  • CA374434A - Eyelet : en fr
  • CH198292A - Carrying device for packages or the like. : de en
  • CH198282A - Television installation. : en fr
  • CH198296A - Wedge buffer door guides, in particular for motor vehicles. : de en
  • US2120943A - Press apparatus for solid carbon dioxide and the like : en
  • US2120578A - Speedometer drive for bicycles : en
  • US2120379A - Inner tube : en
  • DE661459C - Electric resistance welding process for joining copper and aluminum : de en
  • GB487047A - Improvements in and relating to fluxing materials for use in electric welding : en
  • GB486894A - Improvements in cylinders for fluid pressure transmission systems : en
  • US2120351A - Continuous viscosity meter : en
  • US2120421A - Relay : en
  • US2120388A - Atomizer for hydrocarbons : en
  • DE661330C - Protection of single-phase and three-phase motors against overcurrent and overheating : de en
  • DE661461C - Multi-cell compressor with sickle-shaped work space and sliding bearing rings on the circumference of the work space : de en
  • DE661466C - Cooling device for self-sellers for the delivery of ice cream u. like : de en
  • FR829144A - Self-adjusting expansion device for elastic fluids : en fr
  • GB487031A - Improvements in and relating to lubricators : en
  • FR829268A - Magnetic cores for coils for charging coils and other electromagnetic devices : en fr
  • CH198291A - Device for the knotless tying or tying of objects of all kinds. : de en
  • US2120673A - Stereopticon slide : en
  • US2120900A - Fiber container and method of making the same : en
  • GB487259A - Improved method of manufacturing porous concrete : en
  • FR829106A - Cleaning cylinder for spinning machines : en fr
  • FR829108A - Device for a turbo-pump whose suction line is fitted with a retaining member : en fr
  • GB487308A - Multiple lead pencil : en
  • GB487058A - Improvements in or relating to water heaters : en
  • US2120415A - Coupling device for motor lorry trains : en
  • US2120824A - Deflector mechanism : en
  • DE661288C - Switching device for stepped pulley belt transmission : de en
  • US2120323A - Brake rigging : en
  • US2120895A - Weaving pile fabric : en
  • DE661202C - Process for the production of Kuepen dyes : de en
  • DE661327C - Hand switch for several circuits for movable cords : de en
  • FR829290A - Process for preparing azo dyes : en fr
  • GB487192A - An improved process for the treatment of hemp : en
  • GB487051A - Improvements in or relating to dyestuffs : en
  • US2120506A - Damper regulator : en
  • CA374481A - Rubber overshoe : en fr
  • GB487100A - Improvements in or relating to methods of producing light-insensitive titanium pigments : en
  • GB487119A - Improvements in or relating to the treatment of mineral phosphates : en
  • GB487207A - Improvements in or relating to mops and cleaning appliances : en
  • CH198229A - Electric starter for internal combustion engines on vehicles. : de en
  • US2120700A - Vulcanizing mold and method of making same : en
  • FR829254A - Centrifugal clutch device suitable for any machine or device : en fr
  • GB487034A - Improvements in or relating to cocks : en
  • US2120448A - Pump : en
  • US2120808A - Cyclic biguanyl sulphonic acids : en
  • GB486977A - Improvements in or relating to windows or the like closures : en
  • US2120502A - Mold for parts of knitting machinery : en
  • US2120882A - Modulator : en
  • US2120372A - Fuel burner : en
  • FR829267A - Electronic discharge devices : en fr
  • FR829278A - Improvements to television transmitting devices : en fr
  • GB487289A - Improvements in and relating to convertible chairs : en
  • GB487301A - Improvements in and relating to box packages to contain paper serviettes, paper lace doyleys and like table stationery : en
  • GB487211A - Atomizer : en
  • DE661457C - Procedure and arrangement for the commissioning of direct current high voltage transmission lines with operationally constant current strength : de en
  • GB487018A - Improvements in machines for cutting and filling pharmaceutical capsules or the like : en
  • GB487109A - Improvements in hand-trucks : en
  • FR829114A - Cooling device for rectifiers : en fr
  • GB486882A - Improvements in or relating to remote control systems and switch devices therein : en
  • ES5019U - Metallic support for the unión and hook between the handles and the sides of bags. (Machine-translation by Google Translate, not legally binding) : en es
  • GB487135A - Saddle connection for bicycles, motor cycles and the like : en
  • FR829146A - Improvements to electric accumulators : en fr
  • NL43409C - Heating radiator with a casing that promotes air circulation : en nl
  • USRE20759E - Electron multiplier : en
  • GB487068A - Improvements in alternating current electro-magnets : en
  • DE661159C - Carburetors for internal combustion engines : de en
  • DE661240C - Control of gas or vapor discharge paths, for example mercury vapor rectifiers : de en
  • FR829223A - Tension rolling apparatus and method : en fr
  • DE661351C - Coin insertion at self-sellers for the sale of an energy : de en
  • GB486935A - Improvements in liquid pressure producing devices : en
  • DE661287C - Ignition device : de en
  • US2120676A - Hydraulic brake : en
  • US2120821A - Propelling device for aeroplanes : en
  • US2120915A - Cotton cultivator : en
  • US2120598A - Electrical cutting instrument : en
  • CH198215A - Pliers for carrying sheet metal, plates, wires and the like. : de en
  • DE661177C - Promotion of plant growth : de en
  • DE661211C - Method for measuring an auxiliary current proportional to a main current and consisting of an electrolytically decomposable substance : de en
  • GB487295A - Improvements in display machines : en
  • CH198146A - Process for the preparation of a dimethyl coeroxene. : de en
  • GB487136A - Improvements in and relating to the mixing of dust-like or pulverulent material : en
  • FR829107A - Roller skates : en fr
  • GB487233A - Process for the manufacture of aromatic sulphonamide-substituted antimony compounds : en
  • GB487118A - A method and device for winding threads or filaments of glass or similar substances : en
  • US2120917A - Brake mechanism : en
  • GB487070A - Combined folding suit-hanger and trouser press and stretcher : en
  • GB487085A - Improvements in or relating to fastener-applying devices : en
  • GB487383A - Improvements relating to frames applicable to copy holders for photographic apparatus : en
  • GB487387A - Improvements in and relating to opaque cinematograph films : en
  • FR829201A - Electrical device for precise stop of elevators by using a very low frequency : en fr
  • FR829253A - Sprinkler installation : en fr
  • FR829128A - Receiver for listening devices : en fr
  • DE661294C - Carbon dioxide absorption cartridge, especially for breathing apparatus : de en
  • AU104139B2 - Improvements in or relating tothe filtering or straining or like treatment of fluids : en
  • GB487313A - A process for manufacturing extreme-pressure lubricants : en
  • DE661160C - Piston seal, consisting of a sealing washer made of elastic material clamped between cone-shaped surfaces : de en
  • US2120429A - Water softening apparatus : en
  • US2120437A - Machine for the introduction of moisture to wheat or the like : en
  • US2120823A - Coupling means for thermionic valve circuits : en
  • US2120408A - Selective switch : en
  • FR829292A - Manufacturing process of wooden pipes : en fr
  • GB487096A - Improvements in the protection of metals against erosion : en
  • NL43317C - : en
  • CH198246A - Electric discharge tube. : de en
  • CA374366A - Electric conductor : en fr
  • AU104133B2 - Improved folding chair : en
  • CH198241A - Switchgear. : de en
  • US2120759A - Textile creel : en
  • GB487182A - Improvements in meters for measuring liquids : en
  • US2120228A - Accounting machine : en
  • GB486912A - Improvements relating to hair curlers : en
  • GB487302A - Improvements in or relating to navigation aiding radio systems : en
  • GB487255A - Process for the conversion of normally gaseous hydrocarbons : en
  • GB487209A - Improvements in and relating to rubber brooms and the like : en
  • US2120329A - Pinking machine : en
  • DK54850C - Signal System for Transmitting Messages Using Modulation of High Frequency Carriers. : da en
  • DE661474C - Preparatory procedure for extraction of malt coffee : de en
  • DK54864C - Safety valve with one or more load springs. : da en
  • CH198297A - Emergency brake for vehicles, road cars. : en fr
  • CH198180A - Bass violin stand. : de en
  • CA374339A - Demand meter : en fr
  • CH198251A - Electric discharge tube. : de en
  • DE661213C - Method and apparatus for copying sound recordings : de en
  • DE661236C - Numerals for letterpress machines : de en
  • FR829215A - Film store for cinematographic devices : en fr
  • US2120368A - Process of drying wood blocks : en
  • US2120462A - Track bolt washer : en
  • US2120696A - Food browner : en
  • US2120259A - Electric sign : en
  • US2120286A - Barge : en
  • US2120595A - Method of forming brake drums or like structures : en
  • CH198136A - Process for the separation of isomeric substituted 3-aminopyrenes. : de en
  • CA374407A - Fluorescent screen : en fr
  • CH198220A - Self-acting closing organ by means of spring leaves. : de en
  • CA374376A - Oil and sand filled bushing : en fr
  • GB487275A - Process for producing coloured spinning masses and shaped materials prepared therefrom : en
  • GB487123A - Endless track vehicle : en
  • US2120778A - Method of supplying paper to printing presses : en
  • AU225737A - Improvements intone control for television andthe like systems : en
  • CH198113A - Sew-on sole. : de en
  • CH198200A - Method and device for casting metal plates in horizontal, upwardly open casting molds. : de en
  • US2120653A - Counter-sham : en
  • US2120883A - Air conditioning system : en
  • DE661320C - Schlaegermuehle : de en
  • GB486957A - Improved method of packing bottles for transit : en
  • CH198073A - Sealing device for closing openings such as windows, doors, etc. : en fr
  • CH198114A - Footwear. : de en
  • CH198192A - Clock with transparent dial and invisible mechanism. : en fr
  • CH198262A - High pressure metal vapor discharge tube. : de en
  • GB486960A - Improvements in and relating to mattresses, cushions, upholstery and the like : en
  • US2120357A - Can : en
  • US2120369A - Card feeding mechanism : en
  • US2120810A - Solvent fractionation : en
  • US2120851A - Process for the manufacture of spun goods, fabrics, and other textiles : en
  • CH198344A - Process for the production of a condensation product. : de en
  • US2120796A - Knitting machine : en
  • CA374342A - Dye : en fr
  • US2120426A - Electrolytic condenser : en
  • US2120770A - Drifting valve for locomotives : en
  • US2120802A - Floor supporting structure : en
  • FR829176A - Pocket magic lantern : en fr
  • GB487093A - Improvements in hydraulic systems for loading rollers : en
  • US2120781A - Side-lasting machine : en
  • CH198190A - Image carrier for projection. : de en
  • US2120818A - Sample holder : en
  • USD110082S - Design fob a token dispenser : en
  • CH198242A - Switch with free air separation distance. : de en
  • CH198231A - Spark plug. : de en
  • GB486990A - Improvements in the operating mechanisms of the slays of wide looms : en
  • GR7454B - INTERVENTIONS OR INSIDE ASYLUM AND ALL INSULATION MATERIALS FOR ANTI-HEATING PURPOSES IN THE EX-ELASTIC SHOES. : el en
  • US2120238A - Flashlight : en
  • US2120541A - Manufacture of carbon black : en
  • USD110068S - Design for a shoe : en
  • USD110127S - Design for a barrette : en
  • CH198332A - Process for the preparation of an azo dye. : de en
  • CA374336A - Glass article manufacture : en fr
  • CH198188A - Charge double tariff meter. : de en
  • US2120398A - Cable stripping tool : en
  • US2120477A - Detachable cabin with parachute : en
  • US2120538A - Process of oxidizing naphthalene to phthalic anhydride : en
  • DE661230C - Profile measuring device : de en
  • CH198089A - Chair. : de en
  • US2120861A - Screened shelter : en
  • US2120661A - Clothes hamper : en
  • US2120584A - Tempering machine : en
  • US2120919A - Hairpin remover : en
  • US2120315A - Slab turning apparatus : en
  • US2120875A - Roll : en
  • US2120492A - Sparking plug : en
  • US2120504A - Method of and apparatus for applying a flexible sheet to a receptacle : en
  • US2120752A - Circular machine for knitting ringless hosiery : en
  • DE661374C - Felt and process for its manufacture : de en
  • GB487148A - Improvements in knitting machines : en
  • DE661410C - Mixing device for generator gases and combustion air for internal combustion engines : de en
  • FR829214A - Wheel mounting : en fr
  • CH198078A - Boiler. : de en
  • CH198340A - Process for the preparation of an azo dye. : de en
  • US2120611A - Nozzle : en
  • CH198299A - Alternator built into the wheel hub of a bicycle or motorcycle. : de en
  • FR829129A - Advanced pressure pad for sole welding machines : en fr
  • FR829295A - Improvements to the excitation circuits of electro-magnetic devices : en fr
  • CH198196A - Watch movement. : en fr
  • CA374420A - Windshield cleaner motor : en fr
  • CH198080A - Lock to be used left and right. : de en
  • CH198204A - Method of manufacturing screw nuts. : de en
  • DE661346C - Cleaning tool for vacuum cleaner mouthpieces : de en
  • US2120737A - Method of hot-dipping metal coated objects : en
  • US2120939A - Knitting machinery : en
  • DE661198C - Telex system : de en
  • DE661365C - Direction indicators for bicycles and motorcycles : de en
  • GB487197A - Metal bulb discharge tube and method for the manufacture thereof : en
  • GB486998A - Improvements in and relating to stocks and dies for use in screwing metals : en
  • US2120283A - Tool retainer : en
  • US2120837A - Railway track circuit apparatus : en
  • AU104162B2 - Improvements in and connected with casement and like hinged or pivoted windows : en
  • GB487404A - Improvements in and relating to aircraft : en
  • DE661279C - Insulated wooden sleeper bedding : de en
  • DE661353C - Shaker sieve for threshing machines, especially combine harvesters : de en
  • DE661224C - Closing flask for waterless gas containers : de en
  • DE661389C - Method for the captive connection of the clamping bolt of Luester clamps with the insulating housing : de en
  • CA374398A - Shaft drill : en fr
  • GB487287A - Grinding wheel : en
  • US2120354A - Car roof : en
  • DE661181C - Fluid switch with several interruption points arranged in pressure chambers and connected in series : de en
  • CH198172A - Safety device on photographic latches. : de en
  • CH198270A - Sprayer. : en fr
  • US2120403A - Can top label : en
  • GB486994A - Process for the production of liquid fuels by destructive hydrogenation : en
  • IE14896L - Storage of foodstuffs : en
  • NL43284C - : en
  • CH198258A - Electric incandescent lamp with a gas filling containing argon, a noble gas with a higher atomic weight than argon, and nitrogen. : de en
  • US2120827A - Denture mounting : en
  • FR829199A - Process for the legal treatment of copper breakage and more generally of all accidents that may lead to loss of clarity after bottling of wines, ciders, perries and fruit juices : en fr
  • FR829216A - Method and device for the continuous treatment of crude volatile products from the distillation of carbonaceous materials : en fr
  • GB487056A - Manufacture of plastic masses : en
  • FR829250A - Improvements to rear engine buses or coaches : en fr
  • DE661373C - Receiver for very short waves : de en
  • FR829160A - Improvements relating to devices transmitting torque at variable speed hydraulically : en fr
  • US2120378A - Luminous sign : en
  • US2120613A - Material grader and cleaner : en
  • GR7448B - DOUBLE KTENION. : el en
  • USD110101S - Design for a textile fabric or simi : en
  • GB486910A - Excess pressure valve for compartments to be protected against admission of poisonous gases : en
  • FR829291A - Process for producing valuable oily hydrocarbons from solid carbon depletion products : en fr
  • CH198264A - Electrical system with high pressure metal vapor discharge lamp. : de en
  • US2120791A - Method of and apparatus for determining the heating value of combustible gaseous fluids : en
  • GB487246A - Improvements in sparking plugs : en
  • FR829235A - Slider closure : en fr
  • GB486980A - Improvements in and apparatus for the separation of gas mixtures into their components : en
  • US2120432A - O-hydroxyazo dyestuffs : en
  • US2120666A - Internal-combustion engine : en
  • DE661301C - Cover for the bowl of meat cutters or the like. : de en
  • FR829135A - Selective addressing machine : en fr
  • GB487188A - Improvements in and relating to suspended conveyors : en
  • US2120367A - Prostatic and vaginal medicine applicator : en
  • US2120490A - Apparatus for purifying or washing air or other gas, or for cooling a liquid : en
  • US2120654A - Moving picture camera lens substitution device : en
  • DE661352C - Self-lending for objects of use with deposit : de en
  • CA374387A - Cigar lighter heating element : en fr
  • US2120644A - Plasterboard : en
  • US2120896A - Automatic power transmission for automotive vehicles : en
  • GB487145A - Improvements in and relating to automatic steering systems for dirigible craft : en
  • FR829173A - Tunnel thruster mobile : en fr
  • GB487074A - Improvements in handle grips for spades and other implements : en
  • US2120583A - Air heater : en
  • NL43384C - : en
  • DE661254C - Arrangement for exciting steel strings for the purpose of generating musical tones : de en
  • US2120287A - Production of sodium carbonate monohydrate : en
  • US2120534A - Latch mechanism and operating means therefor : en
  • USD110117S - Design for a skillet : en
  • DE661237C - Automatic coupling for railway vehicles : de en
  • USD110122S - Design for a heel for a shoe : en
  • GB487248A - Improvements in or relating to high frequency energy transmission systems : en
  • US2120732A - Obstetrical or similar bed : en
  • US2120803A - Heating system : en
  • DE661375C - Photographic lens shutter : de en
  • GB486962A - Loading and unloading mechanism for use with freight-carrying vehicles : en
  • GB487039A - Improvements in and relating to lighting fittings : en
  • GB487027A - Improvements in holders for thermionic valves and like devices : en
  • GB487173A - Improvements in or relating to rubber packing : en
  • GB578907A - Improvements in aerial barrages : en
  • FR829210A - Improvements to metal slatted floors known as gratings : en fr
  • GB486979A - Improvements relating to bed-tables : en
  • US2120272A - Vacuumizer : en
  • US2120291A - Orchard heater : en
  • US2120787A - Time delay device : en
  • GB486886A - Improvements in or relating to the separation of the constituents of organic-inorganic addition compounds : en
  • GB487290A - Improvements in bookbinding : en
  • GB486946A - Improvements in or relating to aluminium alloys : en
  • GB487225A - Improvements relating to electric switches and plug and socket connections : en
  • GB486976A - An improved machine for destroying bracken and like growths : en
  • DE661359C - Closure for bottles : de en
  • FR829138A - Improvements in apparatus for the treatment, by temperature change, of food products or other products contained in any receptacles : en fr
  • GB486932A - Improvements relating to bituminous materials : en
  • FR829180A - Magnetic torque regulator : en fr
  • GB487112A - Improved method for reviving typewriter and like ribbons : en
  • FR829231A - Method and apparatus for grinding materials, in particular oil seeds, and optionally extracting liquid constituents therefrom : en fr
  • GB486968A - Improvements relating to automobiles : en
  • FR829152A - Automatic gear change for automobile : en fr
  • DE661334C - Tester for packaged light bulbs : de en
  • US2120319A - Method of annealing : en
  • GB487122A - Improvements in or relating to electric light fittings : en
  • US2120617A - Valve adjusting device : en
  • US2120811A - Method for the preparation of compounds of the benzidine series : en
  • US2120337A - Heel attaching machine : en
  • DE661187C - Drive device for electric vehicles : de en
  • GB486964A - Process for the conversion of alkali metal chlorides into carbonates and for producing acetic anhydride : en
  • GB487263A - Improvements in solders for uniting the metallic parts of vacuum devices : en
  • US2120335A - Resistance element : en
  • USRE20762E - Floor waxing device : en
  • FR829171A - Watertight closing device for clothing and other applications : en fr
  • CH198098A - Process for the production of pigmented viscose rayon. : de en
  • US2120328A - Method of shaping sheet material : en
  • CH198826A - Equipment for low voltage lighting. : de en
  • CA374333A - Shaft construction : en fr
  • GB487193A - A device for turning or reversing tubular lengths of material, such as belts, scarves, ties or the like : en
  • CH198194A - Wristwatch. : en fr
  • ES144082A1 - A process for the manufacture of electrodes for electric arc welding. : en es
  • US2120249A - Sound and picture aperture unit and film feeding mechanism : en
  • US2120270A - Wire having a covering of fibrous material : en
  • DE1438075U - : de en
  • US2120555A - Automotive engine control : en
  • SE92558C1 - : en
  • USD110091S - Design for an artificial bait : en
  • US2120362A - Construction of brake levers : en
  • US2120762A - Insufflator : en
  • USD110112S - Design for a goblet or similar : en
  • CH198169A - Typographic machine for melting individual types and composing. : en fr
  • GB487125A - Improvements in wireless receivers and housings therefor : en
  • DE661248C - Method for producing rubber threads or the like. : de en
  • AU133937A - A process forthe production of photographic and kinematographic pictures in colour : en
  • US2120846A - Automatic reel for paper rolls : en
  • GB487379A - Improvements in or relating to methods of producing waterproof fabrics permeable to air : en
  • FR829233A - Improvements to dividing machines : en fr
  • FR829285A - Improvements with mineral luminescent materials : en fr
  • GB486987A - Improvements in buttons : en
  • USRE20756E - baumeister : en
  • US2120487A - Container : en
  • US2120687A - Means for making a decorative design : en
  • US2120832A - Planetary transmission mechanism : en
  • US2120957A - Control system : en
  • GB486933A - Improvements in or relating to holders and/or containers for commodities in ribbon, wire or like form : en
  • DE661425C - Process for making whole wheat bread : de en
  • DE661399C - Device for electric cookers with cooker inserts, which are easily detachably connected to the cooker by means of connector plugs : de en
  • FR829172A - Continuous circular motion transformer in reciprocating rectilinear motion : en fr
  • GB487327A - Improvements in and relating to grinding or abrading machines : en
  • GB487214A - Improvements in and connected with liquid clutches : en
  • DE661194C - Pipe steam generator with forced water circulation : de en
  • DE661295C - Locking clutch for motor vehicles : de en
  • US2120458A - Waterproof seam and method of making same : en
  • USD110074S - Design for a fruit juice extractor : en
  • FR829110A - Provision for the suppression of higher harmonics of polyphase transformers and polyphase inductors : en fr
  • GB486995A - Improvements in automatic guns : en
  • GB487675A - A method for the purification of water : en
  • DE661291C - Workpiece conveyor gripper on machine tools equipped with a controlled collet : de en
  • DE661192C - Process for the production of urea-formaldehyde resins : de en
  • FR829174A - Hydro-aerial vessel : en fr
  • FR829116A - Liquid treatment apparatus for yarns : en fr
  • CH198334A - Process for the preparation of an azo dye. : de en
  • CA374451A - Refractory insulation : en fr
  • US2120588A - Printing ink : en
  • CH198159A - Process for the production of enamelling resistant to temperature changes. : de en
  • US2120397A - Dust aspirator : en
  • CA374463A - Carpet making machine : en fr
  • CH198203A - Process for the manufacture of spring tubes. : de en
  • CH198162A - Device for interrupting the contact on apparatus for continuous contact on paper tapes for oscilloscopes and the like. : de en
  • CH198178A - Mechanical pencils. : en fr
  • CA374483A - Gyroscopic navigation instrument : en fr
  • CH198335A - Process for the preparation of an azo dye. : de en
  • CH198351A - Process for the production of synthetic compositions from polyvinyl chloride. : de en
  • AU247337A - Improved base for office and like chairs and stools : en
  • CA374349A - Engine starter control : en fr
  • US2120800A - Transmitter : en
  • US2120261A - Process for blending fruit juices : en
  • USD110125S - Design for a jewelry box : en
  • CH198116A - Device for ensuring that high shoes, in particular sports shoes, sit firmly on the foot. : de en
  • CH198090A - Foldable toilet seat ring. : de en
  • CH198127A - Process for influencing the color of plant materials, in particular tobacco leaves. : de en
  • US2120401A - Sulpho-acetonitrile dyestuffs : en
  • US2120789A - Method of packing disks in piles and discharging the packets obtained : en
  • DE661313C - Receiver with shrinkage control and noise elimination : de en
  • US2120855A - Electric circuit : en
  • CH198353A - Aiming device for firearms. : de en
  • CA374415A - Vacuum cleaner : en fr
  • GB487132A - Adjustable frustum swivel joints : en
  • GB487312A - Improvements in or relating to flat knitting machines and a method of forming edges of fabric produced on the same : en
  • USD110108S - Design for a lamp base : en
  • CA374388A - Electric switch : en fr
  • FR829149A - Further training in reciprocating vacuum pumps : en fr
  • CH198118A - Machine working with shaking sieve and air flow for cleaning semolina, haze and similar products. : de en
  • CH198137A - Process for the preparation of p-sulfamidophenylcarbamic acid choline chloride. : de en
  • CH198195A - Clock. : de en
  • US2120812A - Animal trap : en
  • CH198358A - Transformer with device for stepless current control. : de en
  • CA374421A - Hydrocarbon conversion : en fr
  • CH198345A - Process for the production of a condensation product. : de en
  • DE661282C - Arrangement for grid control of a rectifier or inverter operated with synchronous isolators and vapor or gas discharge vessels : de en
  • DK54861C - Two-stroke internal combustion engine. : da en
  • GB487288A - Improvements in and relating to coat hangers and the like : en
  • US2120708A - Tip for soldering irons and the like : en
  • USD110130S - Design fob a doll or similar article : en
  • US2120589A - Tuyere plate : en
  • US2120725A - Terrazzo floor strip : en
  • US2120660A - Manufacture of di-j acid : en
  • DE661398C - Process for forming in order to increase the insulating capacity of electrical heating elements : de en
  • DE661326C - Selector with two directions of movement : de en
  • CH198268A - Process for the production of a very effective antirachitic preparation, especially in chicks. : de en
  • GB487103A - Toy-hand-grenade : en
  • GB487200A - Improvements in and relating to sprinkling apparatus : en
  • GB487008A - Improvements in or relating to an instrument for indicating the liquid contents of a number of tanks of various sizes and dimensions : en
  • CA374480A - Radio cabinet : en fr
  • CH198115A - Shoe. : de en
  • GB487279A - Process for drying skins or pelts : en
  • US2120792A - Crane drive : en
  • AU218837A - Improvements in and relating tothe method of gauging the exposure of photographic and cinematographic films and exposure meters for use therein : en
  • CH198197A - Method of manufacturing a bearing for a clockwork movement. : en fr
  • CA374338A - Lamp unit : en fr
  • CH198138A - Process for the production of a new azo dye. : de en
  • CH198307A - Pantograph head with carbon contact strips for electric traction vehicles. : de en
  • CH198322A - Process for the production of a new azo dye. : de en
  • CH198348A - Process for the production of a transparent, colored lacquer. : de en
  • DE660940C - Arrangement for feeding meshed low-voltage distribution networks : de en
  • US2120412A - Measuring device : en
  • US2120776A - Heel nailing device : en
  • DK54859C - Money box. : da en
  • FR829196A - Construction device for underground or buried concrete or masonry tanks intended for the storage of hydrocarbons : en fr
  • FR829139A - Supercharging device for internal combustion and internal combustion engines : en fr
  • CH198342A - Process for the preparation of an azo dye. : de en
  • CH198177A - Clamp for winding and unwinding films. : en fr
  • CH198290A - Packaging cover with carrying device. : de en
  • DE661276C - Ribbon reel drive for typewriters : de en
  • US2120385A - Peach turner : en
  • US2120474A - Apparatus for the burning of mineral sulphides in gaseous suspension : en
  • US2120718A - Corn popper : en
  • DE661414C - Saegenschraenk machine with a reciprocating Schraenk stamp : de en
  • DE661201C - Electrode arrangement for an electron tube : de en
  • DE661280C - Device for limiting the tilt of flat slide rockers on pantographs of electric vehicles : de en
  • US2120546A - Mechanical transmission : en
  • CH198131A - Process for the production of boron carbide. : de en
  • CA374396A - Oil production : en fr
  • GB487107A - Improvements in shift lock releases for typewriters : en
  • GB486963A - Improvements in locks or latches : en
  • FR829132A - Improvements to grinding wheels and their manufacturing processes and devices : en fr
  • GB487080A - Improvements in fastening devices for purses, handbags and the like : en
  • US2120553A - Key cap : en
  • US2120897A - Saw : en
  • CH198235A - Electric motor. : en fr
  • CA374343A - Tricarbocyanine preparation : en fr
  • US2120526A - Mold and process of making same : en
  • US2120701A - Freezing tray : en
  • US2120582A - Tube sign construction : en
  • USD110073S - Design for a sijpper : en
  • US2120548A - Plug insert for friction element and method of making the same : en
  • CA374365A - Brake drum manufacture : en fr
  • GB487045A - Improvements in electrolytic condensers : en
  • GB487176A - Improvements in carburettors for internal combustion engines : en
  • DE661234C - Firebox cooling surfaces for inclined tube boiler : de en
  • CA374472A - Airplane : en fr
  • GB487300A - Improvements in or relating to presses for cutting cardboard : en
  • US2120274A - Loading machine : en
  • US2120349A - Car roof : en
  • US2120650A - Machine for making capped nuts from thimbles : en
  • US2120735A - Adjustable drive roll for developing machines for films and the like : en
  • US2120744A - Refrigerated display counter : en
  • US2120515A - Clarifier : en
  • DE661171C - Rainwear : de en
  • DE661403C - Device intended for grasping and automatically lifting the skin and other tissue parts : de en
  • CH198214A - Dry shaver. : de en
  • CH198324A - Process for the production of a new azo dye. : de en
  • US2120605A - Chimney and/or ventilating cowl : en
  • ES5020U - A sealed strip or label perfected for cylindrical containers (Machine-translation by Google Translate, not legally binding) : en es
  • DE661446C - Lock for double sliding doors, especially in railroad cars : de en
  • DK54852C - Coupling with electric discharge tube for regulating the frequency of an oscillation system. : da en
  • GB486901A - Acetylation process for cellulose fibres and fabrics : en
  • DE661339C - Holding member for resiliently connected to each other, comprehensive parts of electrical apparatus, in particular metal vapor converters : de en
  • GB487187A - Improvements in or relating to apparatus for rendering fryers' scraps and the like : en
  • US2120414A - Hose supporter : en
  • DE661209C - Dish rack for dishwashers : de en
  • GB487011A - Improvements in or relating to reflecting electric incandescent lamps : en
  • US2120276A - Metal pickling : en
  • DE661054C - Pointing machine : de en
  • GB487076A - Means for rendering turn-button switches visible in the dark : en
  • DE661200C - Self-releasing plug connection : de en
  • GB487274A - Improvements in automatic siphons for flushing cisterns : en
  • US2120596A - Telescreen : en
  • FR829209A - Clamping device for air heater plates : en fr
  • FR829248A - Improvements to punch card controlled machines for printing count items and totals on a ledger sheet : en fr
  • GR7455B - INDUSTRIAL PROCESSING OF OLIVE IN PULP. : el en
  • DE661404C - Canals to expand the tear channel : de en
  • CH198147A - Process for the production of a vat dye of the anthraquinone series. : de en
  • CH198305A - Installation in a railway system for the transmission of a makeshift route signal to moving locomotives. : de en
  • US2120648A - Loose leaf binder : en
  • FR829257A - Tube made of cellulosic material and its manufacturing process : en fr
  • DE661286C - Method and device for visualizing gas flows : de en
  • DE661331C - Device for monitoring the coordination of earth fault extinguishing devices in an electrical network : de en
  • US2120450A - Metal reinforced block floor : en
  • US2120739A - Fuel injection system for internal combustion engines : en
  • US2120935A - Plastic compositions and process of shaping the same : en
  • FR829194A - New arrangement of heat exchangers and in particular feedwater heaters : en fr
  • DE661367C - Holder for the lace ends : de en
  • US2120532A - Delivery mechanism of platen printing presses : en
  • CH198321A - Process for the production of a new azo dye. : de en
  • GB487242A - Television amplifier : en
  • IE15192L - Emulsions for colour photography : en
  • GB487164A - Improvements in and relating to filters or strainers : en
  • US2120459A - Safety bumper and collision indicator for automobiles : en
  • GB487159A - Improvements in or relating to the manufacture of stiffeners for the ends of boot orshoe uppers : en
  • AU104151B2 - An improved machine for nailing butter boxes andthe like : en
  • CA374380A - Fluid pressure brake : en fr
  • CH198082A - Process for the preparation of molded artificial fuels. : en fr
  • DE661297C - Liquid shock absorbers : de en
  • US2120495A - Door operating device : en
  • GB486988A - Improvements relating to lubricating devices for internal combustion engines : en
  • GB487181A - Improvements relating to the cooling of air : en
  • US2120284A - Tilt bar structure for venetian blinds : en
  • CA374453A - Filament and thread manufacture : en fr
  • US2120690A - Electric control system : en
  • US2120952A - Apparatus for ascertaining and appraising effective temperature : en
  • CA374466A - Packet for sheet materials : en fr
  • CA374406A - Cinematographic camera film magazine : en fr
  • CA374479A - Reversible planetary piston pump : en fr
  • CH198083A - Heating appliance. : en fr
  • CH198193A - Lever escapement. : de en
  • CH198302A - Bicycle coaster brake. : de en
  • US2120714A - Printing or other machine : en
  • USD110085S - Design fob a vase : en
  • CH198211A - Method of staining wood. : de en
  • CH198219A - Friction clutch. : de en
  • CH198240A - Process for the production of metallized, dielectric materials, in particular paper. : de en
  • CA374492A - Animal fibre yarn curling process : en fr
  • CA374385A - Wire insulating machine : en fr
  • US2120525A - Method of building up pitted holes in a metal sheet : en
  • US2120586A - Composite miniature photographic apparatus : en
  • US2120599A - Combined drainage support and holder for flowerpots : en
  • CH198092A - Pan with handle with interchangeable handle. : de en
  • US2120733A - Clutching and speed changing mechanism : en
  • US2120558A - Method and apparatus for loosening deformable articles from molds : en
  • AU104124B2 - Cathode ray devices for television systems : en
  • CA374403A - Burner manufacture : en fr
  • CH198318A - Process for the preparation of a monoazo dye. : de en
  • CH198148A - Process for the preparation of a leuco ester of a dye of the anthraquinonazole series. : de en
  • CA374460A - Accumulator and plates : en fr
  • CH198337A - Process for the preparation of an azo dye. : de en
  • DE661368C - Method and device for producing a preformed shoe upper : de en
  • DE661180C - Switch with cam switching shaft for switching high frequency coils : de en
  • FR829154A - Self-closing milk funnel or filter : en fr
  • AU224137A - Improvements in light signals for railways andthe like : en
  • US2120360A - Typewriting machine : en
  • US2120475A - Apparatus for the burning of mineral sulphides in gaseous suspension-heat control : en
  • USD110115S - Design for a bottle : en
  • CH198122A - Machine known as a "rolling machine" for bakeries and similar industries. : en fr
  • CA374488A - Spongy rubber product : en fr
  • USD110083S - Design fob a billiard table : en
  • US2120485A - Ore flotation : en
  • US2120794A - Balanced amplifier circuit : en
  • FR829162A - Hinge usable in particular for bodywork doors : en fr
  • CH198346A - Process for the production of a copper-containing azomethine dye. : de en
  • CH198356A - Process for increasing the corrosion resistance of alloys of aluminum with 3 to 16% magnesium. : de en
  • DE661270C - Device for attaching chain thread guard lamellas on divided chain threads : de en
  • US2120406A - Rubber glove and method of making the same : en
  • US2120647A - Door lock : en
  • CA374392A - Engine starter drive : en fr
  • CH198285A - Device for protecting microphones from wind disturbances. : de en
  • CH198087A - Fluff. : de en
  • FR829200A - Process for the thermal treatment of fuels and other substances and equipment suitable for the implementation of this process. : en fr
  • GB486904A - Manufacture of ortho-oxyazo-dyestuffs : en
  • GB487060A - Exhaust silencer heater for road vehicles and aeroplanes : en
  • GB487384A - Process for the production of aliphatic alcohols and ethers : en
  • US2120529A - Determination of barium and sulphate by means of tetrahydroxyquinone : en
  • US2120306A - Wire covering for high frequency circuits : en
  • US2120955A - Gas discharge tuning indicator : en
  • NL43299C - : en
  • US2120592A - Container : en
  • US2120508A - Corset : en
  • USD110072S - Design fob a slipper : en
  • USD110099S - Design for a bracelet chain : en
  • USD110107S - Design fob a lamp base : en
  • US2120678A - Bleaching and purifying process : en
  • GB486891A - Automatic control means for de-icing mechanisms for aircraft : en
  • GB487330A - Improvements relating to paper and like bags and like containers : en
  • CA374491A - Bi-focal spectacles bridge : en fr
  • US2120703A - Motion analyzing and recording apparatus : en
  • GB487066A - Improvements in or relating to the production of heavy water : en
  • US2120854A - Name plate : en
  • US2120252A - Abrading machine : en
  • US2120880A - Sanding and polishing attachment for lathes : en
  • US2120612A - Camshaft governor : en
  • US2120825A - Liquid level alarm : en
  • DE661251C - Silencer for internal combustion engines : de en
  • GB487040A - Apparatus for cleaning filter elements or units : en
  • GB487095A - Improved spring : en
  • GB487189A - Improvements in gas and oil-fired air heating stoves : en
  • GB487268A - Improved apparatus for drying sand or similar granular or pulverulent materials : en
  • DE661364C - Lung operated control for the oxygen supply valve of breathing apparatus : de en
  • DE660963C - Depositing device for two or more single-core or multi-core roll-up alleys : de en
  • GB487083A - Improvements in and relating to bowling green mats : en
  • US2120831A - Planetary transmission mechanism : en
  • GB487282A - Improvements in or relating to high frequency transmitting arrangements : en
  • DE661350C - Adder arrangement for tabulating machines : de en
  • DK54849C - Rotary press for Intaglio printing. : da en
  • CH198237A - Device for maintaining correct polarity on electrical power generators. : de en
  • CA374445A - Shoe part working machine : en fr
  • FR829137A - Improvements to vacuum cleaning devices : en fr
  • FR829147A - Improvements to cisterns for sanitary installations : en fr
  • GB487470A - Improvements in or relating to apparatus for producing soap : en
  • CA374423A - Locomotive stoker : en fr
  • US2120561A - Composite metallic bodies : en
  • US2120707A - Car door : en
  • GB487325A - Improvements in and relating to full-fashioned hosiery : en
  • FR829150A - Thermostatic adjustment device for refrigerated cabinets : en fr
  • FR829251A - Improvements to rotary motors and other machines operated by pressurized fluid : en fr
  • CH198117A - Device for filtering emulsions, in particular milk. : de en
  • GB487081A - Improvements in or relating to locking clamps for electrical connections of the bayonet-socket type : en
  • GB486969A - Improvements in or relating to the production of cellulose ethers : en
  • FR829131A - Basement oven for heating steel blocks : en fr
  • FR829297A - Siphon closure device : en fr
  • US2120600A - Bottle crate : en
  • DE661449C - Electrical control device with additional switching contact : de en
  • ES144111A1 - Improvements in the construction of keyless locks. : en es
  • AU104160B2 - Means for connecting electric wires to lamp holders, adaptors andthe like : en
  • DE661072C - Spindle bearing for devices for turning and thread milling in one clamping of the workpiece : de en
  • GB487036A - Hat brim curling machine : en
  • FR829234A - Improved process for separating water from sulfurous acid circulating in mineral oil extraction plants with liquid sulfurous acid : en fr
  • GB487138A - Improvements in or relating to ventilating installations in tunnels : en
  • FR829105A - Sheet metal drawing press, with clamping jaw supports that can be mounted obliquely : en fr
  • DE660884C - Shunting coupling for locomotives : de en
  • GR7458B - TYPE OF INFLATABLE DEVICES FOR ANTI-CLASSIFICATIONS FACE AND INFLATABLE MASS FOR THEM. : el en
  • DE661392C - Device for repeated automatic restart of electrical circuit breakers : de en
  • GB487021A - A process for the recovery of aluminium and fluorine compounds from the worn out linings of the electric furnaces employed for the production of aluminium : en
  • US2120322A - Process for preparing pseudo-cyanine dyes : en
  • FR829226A - Complete conservation of ensiled cereals and legumes, and, by extension, all perishable products of an organic nature stored, tobacco, dried fruits, fabrics, furs, etc. : en fr
  • FR829289A - Diamond tool refinements incorporating a metallic bond : en fr
  • GB487199A - Improvements relating to the manufacture of starch paste : en
  • DE661231C - Pit support made of I-shaped profile iron : de en
  • DE661357C - Hollow rivet with pull-through locking bolt : de en
  • GB487129A - Improvements in and relating to electric time-registering apparatus : en
  • US2120847A - Attachment for unhairing machinery : en
  • US2120938A - Thermostat : en
  • FR829212A - Tobacco denicotinization process : en fr
  • USD110096S - Design for an advertising figure : en
  • US2120899A - Method of making containers : en
  • USD110071S - Design for a slipper : en
  • US2120727A - Antiglare goggles : en
  • CA374455A - Electric current control valve : en fr
  • GB487180A - Improvements in playing cards : en
  • US2120646A - Receptacle closure and method of producing the same : en
  • GB487053A - Improvements in or relating to aqueous dispersions of bituminous materials and methods of making such dispersions : en
  • US2120921A - Hand machine for washing clothes : en
  • AU313837A - Improved fruit and vegetable peeler : en
  • FR829255A - Improvements on devices which control, by back-pedaling, the wheel brakes of bicycles, tandems, etc. : en fr
  • US2120231A - Respirator : en
  • FR829203A - Two-stroke engine : en fr
  • GB486989A - Improvements in rotary swaging machines : en
  • DK54848C - Procedure for Purifying Alkali Hydroxide Solutions. : da en
  • CH198239A - A method of manufacturing a glass insulator and insulator obtained by this process. : en fr
  • US2120569A - Skin protectant composition : en
  • FR829300A - Mixture usable in particular as a product for the control of harmful parasites : en fr
  • DE661337C - Vacuum vessel in which both cathode and canal rays are generated : de en
  • US2120377A - Manufacture of asphalts : en
  • US2120503A - Blasting explosive : en
  • US2120753A - Silencing device for endless track vehicles : en
  • ES4696Y - An adjustable bra for suspenders : en es
  • DE661203C - Feeding device for firing systems with a hollow throwing shovel seated on swivel arms : de en
  • DE661300C - Multiple check valve for beer pressure lines : de en
  • GB487069A - Improvements in or relating to the manufacture of cigarettes : en
  • DE661226C - Protection circuit with resistance-dependent time relays : de en
  • DE661437C - bearings : de en
  • DK54846C - Iron stand. : da en
  • IE15058L - Cooking ranges, etc. : en
  • GB487257A - Improvements in thermionic valves with filamentary cathodes : en
  • DE661243C - Device for water rusting of bast fiber stalks : de en
  • GB487142A - Improvements in or relating to electric transformers : en
  • GB487162A - Improvements in or relating to radio transmission systems : en
  • US2120830A - Air cooling unit : en
  • US2120709A - Building construction : en
  • DE661420C - Lever opener on insert lid boxes : de en
  • FR829271A - Improvements in methods and apparatus for the preparation of a cement-forming material : en fr
  • GB487013A - Improvements in internal combustion engines operating with fuel injection, low compression and independent ignition : en
  • US2120251A - Toy railroad track : en
  • US2120321A - Electric motor : en
  • CH198102A - Bobbin changing device for changing looms with rotating bobbin drum. : de en
  • DE661167C - Articulated stone coupling, especially for motor vehicles : de en
  • DE661434C - Gas-filled rectifier tubes : de en
  • US2120658A - Activated sludge process and apparatus therefor : en
  • US2120890A - Spark plug : en
  • US2120959A - Umbrella : en
  • AU104131B2 - Improvements in indicating boards for use in remote supervision or like systems : en
  • US2120343A - Artificial resins : en
  • US2120680A - Method of and pledget for the treatment of accessible hemorrhage with snake venom having blood coagulating properties in vitro : en
  • CA374408A - Photosculpture : en fr
  • CH198330A - Process for the preparation of an azo dye. : de en
  • DE661290C - Carriage drive for automatic lathes or machine tools in general : de en
  • US2120396A - Electrical contact member : en
  • US2120463A - Rumble seat enclosure : en
  • US2120382A - Supporting frame for gliders or the like : en
  • US2120951A - Steering repeater compass : en
  • GB487380A - The manufacture of vat dyestuffs : en
  • US2120262A - Bird cage : en
  • DE661174C - Process for the production of pure clay : de en
  • GB487153A - Improvements in or relating to screws and screw drivers for use therewith : en
  • IE15788L - Gas-tight door for air-raid shelters : en
  • FR829275A - Device for limiting the length of lines in devices for marking bands with text elements : en fr
  • NL43470C - : en
  • US2120373A - Weight controlled machine : en
  • DE661150C - Arrangement for converters that work in parallel with other converters : de en
  • USD110126S - Design for a teleprinter cabinet : en
  • DE661376C - Bucket syringe for generating and spraying fire-extinguishing foam : de en
  • GB487035A - Improvements in and relating to an arrangement of two mechanically operated tilting and rotatable head lamps for automobiles : en
  • FR829224A - Process for preparing an antibacterial product : en fr
  • GB486907A - Improvements in or relating to firearms : en
  • DE661332C - Arrangement for commutation in converting devices with controlled discharge paths : de en
  • CH198081A - Espagnolette clasp for windows and doors. : de en
  • CH198096A - Vascular closure. : de en
  • US2120516A - Apparatus and process for desilting natural streams of water : en
  • US2120722A - Coated article and method of producing : en
  • US2120260A - Electrical attachment for floor tools or nozzles of air-method cleaners : en
  • US2120402A - Drawing press : en
  • US2120922A - Hydraulic brake wheel cylinder packing : en
  • US2120386A - Control for boring machines : en
  • FR829220A - Method and devices for transporting dry ice : en fr
  • GB487014A - Process of saccharisation of cellulosic substances : en
  • GB486953A - Fuel-feed systems for internal-combustion engines : en
  • GB487106A - An improved process of and apparatus for heating bulk material : en
  • GB487121A - Improvements in holder blocks for lathe and like tool holders : en
  • FR829119A - Improvements in binding of books, catalogs or the like : en fr
  • DE661285C - Multi-cell compressor with sickle-shaped work area : de en
  • US2120870A - Incandescent lamp : en
  • GB487052A - Improvements in or relating to sewing machines : en
  • FR829262A - Pressure element distributor for gear shifting device such as automobile gearboxes : en fr
  • GB486955A - Improvements in or relating to fluid pressure operated jacks : en
  • DE661380C - Lubricating device for long drive nuts of ship lifts with spindle drive : de en
  • CH198199A - Process for introducing electrolyte into the electrolyte layer in aluminum refining furnaces operating according to the three-layer process. : de en
  • GB486900A - Improvements in or relating to the construction of a concrete pile, pier, or like column : en
  • US2120652A - Fountain pen : en
  • US2120317A - Paper packet : en
  • DE661431C - Device for determining the direction of wireless transmitters : de en
  • GB487318A - Improvements in or relating to scanning devices for television and like systems : en
  • US2120333A - Die casting apparatus : en
  • US2120551A - Manufacture of textile products : en
  • US2120859A - Amalgamator : en
  • CA374473A - Curtain rod holder : en fr
  • CH198187A - Double moving coil measuring device with circular scale. : de en
  • US2120471A - Apparatus for drying printing plates : en
  • USD110086S - Design for a dress ensemble : en
  • CA374438A - Shoe lasting machine : en fr
  • AU510936A - Improvements in and connected with casement and like hinged or pivoted windows : en
  • CA374397A - Clasp : en fr
  • US2120346A - Method of making inner tubes : en
  • US2120927A - Plastic composition : en
  • US2120519A - Advertising display device : en
  • US2120418A - Interchangeable sign : en
  • US2120741A - Derivatives of dyestuffs containing hydroxyl groups and process of making same : en
  • CA374435A - Shoe lasting machine : en fr
  • CH198153A - Process for the preparation of tanning agents. : de en
  • DE661363C - Process for the production of pure, unfelted fiber, especially cellulose pulp : de en
  • CH198155A - Process for the preparation of a resinous condensation product. : de en
  • US2120242A - Automatic cut-off valve : en
  • CA374456A - Reservoir or dam wall : en fr
  • US2120783A - Sliding door and frame construction : en
  • US2120330A - Body band and support : en
  • DE661349C - Sound film device with a braked film guide roller in front of the sound control unit : de en
  • US2120622A - Boring tool : en
  • DK54866C - Apparatus for electric musical instruments. : da en
  • US2120376A - Manufacture of asphalts : en
  • DE661361C - Device for atomizing liquids : de en
  • DE661460C - Process for the production of azo dyes : de en
  • CA374334A - Earth boring and treating apparatus : en fr
  • US2120672A - Catalytic liquid phase oxidation of aromatic hydrocarbons : en
  • DE661450C - Device for automatic voltage regulation of step transformers by means of discharge paths : de en
  • US2120697A - Apparatus for disintegrating fibrous substances : en
  • CH198108A - Ironing board. : de en
  • CH198269A - Procedure for the preparation of aneurine. : de en
  • CH198315A - Process for the preparation of a monoazo dye. : de en
  • GB487137A - Improvements in apparatus for bringing together a plurality of liquids in desired proportions : en
  • CA374360A - Carton : en fr
  • CA374428A - Lubrication system : en fr
  • CH198076A - Snow blower. : de en
  • US2120754A - Disazo dyestuffs and process for their preparation : en
  • AU104136B2 - Childs swing apparatus : en
  • DE661281C - Method for orienting vehicles : de en
  • GB486934A - Improvements in or relating to processes for the preparation of disubstituted barbituric acids : en
  • GB487071A - Improvements in the manufacture and production of vat dye-stuffs : en
  • CA374357A - Beer and ale canning method : en fr
  • US2120663A - Convertible couch : en
  • US2120858A - Bilge water discharge : en
  • US2120473A - Manufacture of beveled edge strip : en
  • DE661264C - Counter : de en
  • DE661227C - Overcurrent heat release for electrical switchgear : de en
  • GB487134A - Improvements in or relating to drawing tables : en
  • US2120232A - Multiplying machine with autocontrol : en
  • USD110128S - Design fob a barbette : en
  • GB487029A - Improvements in and relating to control arrangements for electric motors operating machine tools and similar machines : en
  • GB487235A - Improvements in or relating to means for locking nuts : en
  • GB487082A - Improvements in or relating to machines for wrapping sweets and the like : en
  • USD110136S - Design fob a textile fabric : en
  • DE661163C - Equipment for the demonstration of advertisements with a glittering light effect : de en
  • US2120302A - Cooking machine : en
  • US2120782A - Arbor attachment for lathes : en
  • FR829242A - Process for the production of basic compounds of the heterocyclic series : en fr
  • DE661183C - Rod joint for dental machines with cord roller drive : de en
  • CH198352A - Method for combating algae growth in outdoor swimming pools. : de en
  • US2120507A - Temperature regulation : en
  • AU222137A - Improvements in or relating to navigation aiding radio systems : en
  • CA374449A - Steel wool pad : en fr
  • US2120620A - Sprinkler head : en
  • CH198319A - Process for the preparation of a pentakisazo dye. : de en
  • DE661040C - Silencer for internal combustion engines : de en
  • GB487009A - Process for obtaining high standard and easily filtered calcium hypochlorite : en
  • CA374402A - Container charging method : en fr
  • US2120937A - Stoker control : en
  • US2120482A - Jordan engine with crimped members : en
  • US2120835A - Apparatus for roughening leather surfaces : en
  • US2120819A - Sample holder : en
  • GB486895A - Improvements in or relating to air defence aprons : en
  • US2120590A - Automobile lock : en
  • US2120717A - Trimming means for control surfaces : en
  • DE661480C - Two-jaw brake, especially for motor vehicles : de en
  • GB487169A - Improvements in or relating to the lubrication of superchargers of internal combustion engines : en
  • AU104129B2 - Improved fruit and vegetable peeler : en
  • US2120304A - Inching machine : en
  • US2120488A - Reversible thermostatic control system : en
  • US2120638A - Boring head : en
  • DE661324C - Compressed air braking device : de en
  • US2120374A - Electrical pyrometer : en
  • USD110090S - Jones : en
  • CA374467A - Belting dressing : en fr
  • US2120958A - Catalyst manufacture : en
  • CH198298A - Bottom bracket for bicycles. : de en
  • CA374394A - Calculating machine : en fr
  • CH198070A - Seed drill. : de en
  • CH198210A - Tool for removing broken screws from wood. : de en
  • US2120953A - Variable speed transmission mechanism : en
  • CH198181A - Device for facilitating the search for the solution of a card game problem or other similar problem. : en fr
  • ES4688Y - A thermos tank for irrigator : en es
  • GB487195A - Improvements in or relating to devices for giving automatic warning in cases of danger of explosion : en
  • US2120674A - Refrigerating apparatus : en
  • US2120765A - Infrared ray viewing means : en
  • US2120684A - Hood hinge : en
  • US2120840A - Cyclic process for treating alunite : en
  • US2120662A - Clothesline prop : en
  • CA374493A - Antiskidding chain : en fr
  • US2120494A - Method of cleaning metal articles : en
  • USD110070S - Design fob a finder for cameras : en
  • AU104146B2 - Improvements in gain-control amplifiers : en
  • AU337037A - Means for connecting electric wires to lamp holders, adaptors andthe like : en
  • US2120826A - Display holder : en
  • USD110078S - Design for a shoe ob similar article : en
  • US2120294A - Hydraulic brake mechanism : en
  • US2120710A - Edible container : en
  • CH198280A - Switching device. : de en
  • US2120764A - Refrigeration : en
  • DE661197C - Safety device for vehicles, especially for railcars : de en
  • DE1438171U - : de en
  • DE661220C - Spring frame for the auxiliary parachute : de en
  • GB487270A - Improvements in thermionic valve amplifiers employing negative feedback : en
  • CH198306A - Socket head for trolley pole. : en fr
  • US2120480A - Insulating terminal for neon tubes : en
  • US2120804A - Cylinder detector spark plug : en
  • US2120226A - Pyrophoric lighting mechanism : en
  • US2120229A - Tufting attachment for sewing machines : en
  • DE661186C - Drill ratchet with right and left turn and central locking : de en
  • GB487116A - Improvements relating to brake shoes : en
  • GB487269A - Improvements in tank vehicles : en
  • US2120758A - Method and apparatus for producing elastic knitted fabric : en
  • USD110080S - Design for a textile fabric : en
  • DE661354C - Turning device for internal combustion engines, especially for aircraft engines : de en
  • US2120427A - Motor : en
  • US2120726A - Revolving road map and card holder : en
  • US2120603A - Jar cap handle : en
  • US2120627A - Collapsible boat : en
  • US2120425A - Perambulator : en
  • GB487128A - Improvements in or relating to indicators particularly for radio apparatus : en
  • GB487204A - Improvements in and connected with precombustion chambers for diesel engines : en
  • US2120499A - Device for measuring color and light densities : en
  • USD110095S - Design for a dress : en
  • US2120331A - Uniform depth seeder : en
  • CA374348A - Engine starter control : en fr
  • US2120290A - Adjustable combustion chamber engine : en
  • CA374378A - Braking apparatus : en fr
  • DE659433C - Process for the preparation of crystallized sodium trimetaphosphate : de en
  • GB487296A - Improvements in tamper-proof container device : en
  • CH198218A - Needle roller bearings. : de en
  • US2120264A - Stop on strap for antiskid devices and the like : en
  • US2120405A - Method of preparing hormones : en
  • US2120625A - Lifting jack : en
  • NL43410C - : en
  • US2120679A - Gravity press : en
  • US2120699A - Pitcher top for jars and similar containers : en
  • US2120924A - Separable fastener : en
  • US2120912A - Apparatus for the intermittent production of rolled glass plates : en
  • CA374375A - Refrigeration apparatus : en fr
  • CH198254A - Electrical discharge vessel with indirectly heated hot cathode. : de en
  • GB487323A - Manufacture of condensation products : en
  • GR7446B - DRYER FOR THE DRYING OF YARN COLORS. : el en
  • CH198226A - Internal combustion engine. : en fr
  • CH198171A - Equipment on writing business machines for automatic return of the paper cart. : de en
  • US2120771A - Electric level indicator : en
  • US2120836A - Incandescent electric lamp : en
  • CA374340A - Dye : en fr
  • US2120885A - Molded trimming : en
  • US2120944A - Reeling mechanism : en
  • US2120409A - Apparatus for treating cotton and yarns : en
  • US2120601A - Air conditioning apparatus : en
  • US2120609A - X-ray control means : en
  • CH198176A - Method and device for developing blueprints. : de en
  • US2120954A - Control system : en
  • DE661405C - Device for controlling the travel valve and the equalizing valve on piston reels : de en
  • US2120293A - Change-speed drive transmission : en
  • US2120241A - Radio guidance of aircraft : en
  • CA374418A - Gyro compass : en fr
  • US2120887A - Cross tie for railways : en
  • USD110123S - Design fob a sunshade : en
  • CA374405A - Rotatable shaft device : en fr
  • CH198088A - Sofa convertible into bed. : en fr
  • CH198333A - Process for the preparation of an azo dye. : de en
  • CH198140A - Process for the preparation of an azo dye containing complexed chromium. : de en
  • CH198228A - Cams composed of individual disks, especially for interrupters of ignition devices. : de en
  • CH198327A - Process for the preparation of a monoazo dye. : de en
  • US2120520A - Garbage and waste can : en
  • US2120568A - Aeroplane and the like : en
  • CH198125A - Process for the treatment of materials containing pectin, and intended for the preparation of this substance, with a view to increasing their content of the latter. : en fr
  • CH198142A - Process for the preparation of an azo dye. : de en
  • CA374416A - Cutting machine : en fr
  • CH198222A - Friction clutch. : de en
  • CH198349A - Process for the production of a transparent, colored lacquer. : de en
  • CH198150A - Process for the production of a vat dye. : de en
  • AU178937A - Improvements in or relating to printing telegraph systems : en
  • CH198309A - Flotation device. : de en
  • AU104159B2 - Improvements in apparatus for purifying and filtering liquids : en
  • CH198111A - Garment. : de en
  • DE661244C - Device for generating artificial respiration : de en
  • GB487090A - Improvements in apparatus for and methods of producing cement clinker : en
  • DE661206C - Artificial hand : de en
  • US2120946A - Process for the production of zein : en
  • USD110067S - Design fob a cellaret : en
  • FR829230A - Automatic feed water regulator : en fr
  • GB487244A - Improvements relating to driver's brake valve devices for fluid pressure braking apparatus : en
  • CA374474A - Spark plug : en fr
  • CH198207A - Device for guiding taps. : de en
  • CH198139A - Process for the preparation of an azo dye. : de en
  • CA374399A - Loop and sanitary napkin fastening apparatus : en fr
  • CA374414A - Conveyer : en fr
  • CH198145A - Process for the preparation of a monoazo dye. : de en
  • US2120712A - Reactivation of solid phosphoric acid catalysts : en
  • USD110105S - Design for a lamp base : en
  • CA374482A - Speed mechanism : en fr
  • CH198077A - Sectional boiler. : de en
  • FR829111A - Arrangement of accessories in internal combustion engines, in particular star-shaped cylinder engines : en fr
  • FR829298A - Vegetable cutting machine : en fr
  • USRE20757E - Transmission : en
  • AU537337A - Improvements in or relating tothe production of threads : en
  • CH198355A - Heat engine using variations in air temperature. : en fr
  • US2120434A - Vehicle top fabric : en
  • US2120693A - Machine for fixing locks, fastenings, and fittings to attache and similar cases : en
  • CA374433A - Shoe working machine : en fr
  • CH198281A - DC power supply system for transmitters or the like for optional connection to three- or single-phase alternating current. : de en
  • US2120689A - Stock and die for use in screwing metals : en
  • US2120856A - Flush tank with outlet siphon : en
  • US2120439A - Football game : en
  • CH198260A - High pressure electric metal vapor discharge tube. : de en
  • DE661269C - Process for the production of glass tub blocks and other refractory items which are exposed to the attack of molten glass : de en
  • DE661335C - Capacitor switched as a capacitance transformer : de en
  • GB487000A - Improvements in and relating to the plotting of the weave of textile products : en
  • CA374441A - Pulling-over machine : en fr
  • CA374490A - Holding device : en fr
  • CH198095A - Capsule closure for bottles or similar vessels. : de en
  • US2120602A - Process of making titanium and other compounds : en
  • DE661440C - Process control for a centrifugal drum with two pipes tightly connected to the outlets : de en
  • GB486981A - Improvements in grinding or abrading machines : en
  • GB487220A - Improvements in electrical musical instruments : en
  • GR7450B - SOLAR REFLECTION MIXTURE OF SOLAR RADIATES AND LIGHTINGS OF ANY LIGHT SOURCE. : el en
  • AU104143B2 - Improvements in or relating tothe production of threads : en
  • USRE20760E - Transportation means : en
  • US2120535A - Concentration of minerals : en
  • US2120801A - Method of treating pile fabrics : en
  • GB487278A - Improvements in or relating to rotary pumps : en
  • CA374395A - Fish liver oil : en fr
  • CH198072A - Folding staircase. : en fr
  • FR829141A - Improvements to television systems and more particularly to scanning devices : en fr
  • US2120431A - Thermal insulating composition : en
  • CH198278A - Electric remote control device. : de en
  • GB486911A - Improvements in covered rollers for drawing and feeding textile fibres : en
  • GB487067A - Improvements in or relating to circular knitting machines of the double axially opposed needle cylinder type : en
  • GB487252A - Improvements in or relating to internal shoe brakes : en
  • US2120245A - Course indicator for the double and triple modulation directive radio beacons : en
  • GB487146A - Tap sole blanks and method of cutting same : en
  • FR829260A - Signaling pedal for railway tracks : en fr
  • CA374354A - Mercury switch mechanism : en fr
  • CH198244A - Circuit breaker. : en fr
  • FR829274A - Electric wave transmission lines : en fr
  • DE661260C - Process for obtaining yeast from wood sugar solutions : de en
  • DE661343C - Process for burning partially degassed fuels in furnaces, in particular high-salty coke or coke-rich coke mixed with salts : de en
  • GB487224A - Improvements in and relating to electric switches and plug and socket connections : en
  • FR829184A - Reversible cuff : en fr
  • FR829125A - Device for the passage of a book or collection attached to this device to the position of use on a desk or to the position out of use : en fr
  • FR829167A - Improvements to transmission mechanisms for tracked vehicles : en fr
  • FR829156A - Process for decolouring potassium soaps : en fr
  • GB487078A - A process for the production of ceramic colouring matters : en
  • FR829104A - Improvements to elastic connecting devices : en fr
  • FR829142A - New advanced product, intended to replace pig bristles used in brush making : en fr
  • GB487239A - Process for dyeing skins or pelts : en
  • US2120435A - Transporting and guiding means : en
  • GB487098A - Improved method of and means for effecting combustion of fuel in furnaces provided with mechanical stokers : en
  • GB487147A - Improvements relating to gasifying burners for liquid fuel : en
  • GB487086A - Improvements in and relating to an annealing furnace and a method of operating the same : en
  • GB487110A - Garment slide : en
  • USD110092S - Design for a watch bracelet or the : en
  • GB487261A - Improvements in the manufacture and production of dyestuffs of the phthalocyanine series : en
  • US2120926A - Cutting stick : en
  • DE661348C - Arrangement for recording push-pull sound recordings : de en
  • US2120651A - Variable resistance device : en
  • FR829246A - Safety lock for extendable grilles : en fr
  • DE661308C - Vehicle toy in the form of a fire engine : de en
  • DE661443C - Process for the production of magnesium hydroxide : de en
  • FR829244A - Improvements to cryptographic machines : en fr
  • DE661048C - Rotatable squirt bottle filling machine : de en
  • DE661219C - Roller mill : de en
  • DE661416C - Welding fluids : de en
  • DE661312C - Method for modulating transmitters, in which the operating point is shifted depending on the modulation amplitude : de en
  • GB486971A - Improved process of producing semi-stiff fabrics : en
  • GB487273A - Improvements in and relating to bee-hives : en
  • DE661252C - Method and device for charging deflagration chambers : de en
  • GB487170A - Arrangement for automatic tuning of radio receivers or the like : en
  • GB486997A - A machine for drawing wire or strip : en
  • DE661305C - Hand pliers : de en
  • AU438537A - Improvements in or relating tothe filtering or straining or like treatment of fluids : en
  • DK54862C - Piston for Explosion or Combustion Engines. : da en
  • GB487088A - Improvements in and relating to the suppression of arc-backs in electric converting systems employing arc-discharge devices : en
  • GB487322A - Improvements relating to ultra-violet ray lamps : en
  • US2120768A - Combustion chamber of internal combustion engines of the compression ignition type : en
  • CA374335A - Chemical pulp manufacture : en fr
  • CA374373A - Ice congealing apparatus : en fr
  • CH198259A - Bulbs for electric discharge tubes or incandescent lamps. : de en
  • ES4690Y - Visible file book. : en es
  • GB487237A - Improvements in or relating to recording apparatus for use with meters or other apparatus : en
  • GB487186A - Improvements in or relating to contact lenses : en
  • US2120936A - Inking mechanism for marking machines : en
  • US2120243A - Carbon electrode for projectors : en
  • US2120311A - Demand meter unit for watt-hour meters : en
  • US2120347A - Dust deflector : en
  • US2120920A - Machine for cutting paperboard : en
  • US2120950A - Automatic steering for ships : en
  • GB486887A - Improvements in or relating to the separation of the constituents of organic-inorganic addition compounds : en
  • US2120608A - Proportioning apparatus : en
  • US2120639A - Carrier : en
  • DE661432C - Capacitive antenna coupling : de en
  • GB487010A - Improvements in means and methods of instrument indication in aeroplanes and the like : en
  • GB487044A - Improvements in frequency-changing arrangements and electric discharge tubes for use therein : en
  • GB487154A - Improvements in and relating to pneumatic vibrators : en
  • GB487194A - A method of manufacture of bottle and like capsules : en
  • GB487158A - Improvements in connection with combined tea strainers and drip receptacles : en
  • CA374422A - Gravitational prospecting device : en fr
  • FR829247A - Method and device for determining the direction and shape of the electrical axis of the heart : en fr
  • GB486999A - Improvements in and relating to gramophones : en
  • CH198110A - Rust stain remover. : de en
  • GB487306A - Improved process and apparatus for the distillation of tar or pitch : en
  • US2120655A - Conversion of hydrocarbon oils : en
  • GB487133A - Improvements in and relating to abrasive sleeves and rolls : en
  • DE661413C - Process for making the trains in gun barrels : de en
  • GB487175A - Improvements in or relating to scanning discs for television and like purposes : en
  • GB487240A - Improvements in or relating to television transmission or the transmission of images : en
  • US2120275A - Detachable hose coupling : en
  • US2120407A - Timing apparatus : en
  • US2120907A - Storm lantern burner : en
  • GB486986A - Method of and composition for treatment of seeds : en
  • GB487165A - Improvements in sock suspenders : en
  • CH198173A - Cinema recorder with cassette. : de en
  • CA374484A - Soap particle making apparatus : en fr
  • US2120537A - Utilization of naphthenic acids : en
  • DE661447C - Fasteners for the lower part of spacer clips for electrical lines : de en
  • USD110100S - Design for a velocipede : en
  • FR829130A - Method and device for cutting straight and helical teeth : en fr
  • GB487326A - Improvements in or relating to couplings for flexible hose pipes and like tubing : en
  • DE661161C - Metallic lid for closing glass vessels : de en
  • US2120267A - Method of enhancing the colorability of cellulosic fiber : en
  • US2120320A - Method of making finger rings and blank therefor : en
  • US2120467A - Reel mounting for fishing rods : en
  • GB487151A - Improvements in or relating to the manufacture of centrifugally cast ferrous metal tubes : en
  • GB486899A - Improvements in or relating to the manufacture of refractory materials : en
  • DE661435C - Process for the selective excretion of hydrocarbons with two or more carbon atoms from gas mixtures : de en
  • US2120775A - Combined trolley and extension lamp : en
  • NL43324C - : en
  • DE661256C - Wood grinder : de en
  • US2120786A - Treatment of sewage : en
  • DE661218C - Carburettor for internal combustion engines with a special starter carburetor device, the mixture channel of which is connected to the suction line behind the throttle valve of the main carburetor when starting : de en
  • US2120344A - Nondetonating engine : en
  • US2120849A - Vanity case : en
  • GB487144A - Improvements relating to the production of cores for electric inductances : en
  • GB487205A - A process of hydrocarbon oil conversion : en
  • GB487262A - Improvements in or relating to chrome steel : en
  • CH198084A - Device for regulating the draft in the chimney of a heating system. : de en
  • CH198120A - Process for increasing the content of European wheat in flour made in the mill for bread bakeries. : de en
  • GB487043A - Improvements in or relating to the crankshaft of hay tedders : en
  • GB487077A - Improvements in or relating to remote-control systems for electric remote-control over power networks : en
  • US2120563A - Apparatus and method for removing gas from enclosed areas : en
  • GB487291A - Improvements in or relating to printing telegraph apparatus : en
  • GB487297A - Folding umbrella : en
  • GB487229A - Improvements in or relating to derivatives of sexual hormones and of compounds containing a cyclopentano-polyhydrophenanthrene ring system, having like biological action : en
  • FR829206A - Automobile car : en fr
  • GB487185A - Improvements in the ventilation of vehicles : en
  • GB487406A - Process for anodically oxidising workpieces, made of light metals and their alloys : en
  • DE661169C - Metal tube with a resilient insert : de en
  • DE661221C - Spring lock for bolt firing device : de en
  • NL43362C - : en
  • FR829213A - Cabinet concealing a piano : en fr
  • FR829159A - Ultra-sensitive earth loss protection device : en fr
  • FR829282A - Method and devices for bending wooden slabs : en fr
  • GB487023A - Improved air outlet device particularly for apparatus for ventilating ships, railway carriages and aircraft cabins : en
  • GB487024A - Improvements relating to pipe joints : en
  • GB487256A - Improvements in drying and conditioning machines for cereal grain : en
  • GB487015A - Improvements in and relating to inking apparatus for printing machines : en
  • GB487260A - Improvements in multi-contact electric switches having oscillatory action : en
  • DE661296C - Universal coupling, in particular for motor vehicles : de en
  • GB487168A - Chlorinated rubber products : en
  • DE661271C - Diaphragm valve for gas non-return valves : de en
  • DE661166C - Filter connection piece for gas masks : de en
  • GB486974A - Method and means for flushing water closets : en
  • FR829228A - Manufacturing process of nitrogen containing compounds : en fr
  • GB487094A - Improved method of producing milk powder preparations : en
  • GB487247A - Improvements in boat decks for ships : en
  • GB487139A - Improvements in or relating to brakes for motor vehicles : en
  • DE661162C - Device for the automatic distribution of advertising slips from the air by means of balloons : de en
  • DE661289C - Hydraulic drive device : de en
  • GB487131A - Improvements in or relating to sweeping brooms : en
  • DE661246C - Lid with a hollow handle : de en
  • DE661385C - Metal-reinforced railway sleeper composed of fiber panels : de en
  • US2120363A - Traction device for skis : en
  • GB487054A - Improvements in or relating to continuous furnaces for the annealing of metal plates : en
  • GB487320A - Improvements in or relating to cartridge cases for ordnance, trench mortars and other guns : en
  • DE661347C - Method for producing a sound recording in sprout script : de en
  • DE661464C - Device for regulating a gas flow of varying density : de en
  • FR829284A - New arrangement of the sound system, strings-soundboard, valid for several stringed musical instruments : en fr
  • US2120512A - Sulphuric acid derivatives of organic acid amides : en
  • US2120483A - Rubbing brick : en
  • US2120788A - Window sash fastener : en
  • DE661391C - Device for the remote operation of large numbers of devices connected to power lines : de en
  • DE661424C - Arrangement for the telephone time announcement : de en
  • GB487042A - Improvements in or relating to spring motor driven motion picture cameras : en
  • GB487254A - Improvements relating to ferrous alloys : en
  • CH198209A - Process for annealing metal objects. : de en
  • US2120891A - Hanger : en
  • US2120905A - Container : en
  • US2120552A - Coloration of materials : en
  • US2120478A - Electroplating barrel : en
  • GB486972A - Process for the manufacture of lacquer resins : en
  • GB487265A - An improved process for solubilising crude phosphates intended for fertiliser purposes : en
  • GB487234A - Improvements in or relating to closets or like water-sealed basins : en
  • CH198097A - Beer glass saucer. : de en
  • DE661358C - Electric motor with built-in friction clutch : de en
  • GB487253A - The manufacture of condensation products : en
  • CH198157A - Process for wastewater purification with simultaneous production of a fertilizer. : de en
  • US2120698A - Belt connecter : en
  • GB487223A - Process for the production of nitric acid and sulphuric acid : en
  • US2120309A - Method of applying noncorrosive surfaces to pipe and the like : en
  • DK54868C - Diaphragm-controlled Oxygen supply valve for Inhalers. : da en
  • DE661311C - Process for the sterilization of water and waste water using base exchangers : de en
  • US2120545A - Shock absorbing marine berthing device : en
  • US2120866A - Fuel controlling device : en
  • US2120420A - Ballast weights for diving suits : en
  • GR7457B - AUTOMATIC INDUSTRIAL MANUFACTURE OF CELLS OF SUCH CIGARETTES. : el en
  • GB487381A - Improvements in or relating to microphones, loud speakers and the like : en
  • DK54853C - Remote message cable with unshielded, symmetrically twisted Conductor Groups. : da en
  • CH198286A - Illuminated advertising device. : de en
  • FR829190A - Method of manufacturing formed medicinal preparations : en fr
  • GB486956A - Improvements in or relating to the stiffening of boot or shoe parts : en
  • CA374450A - Bag making and filling machine : en fr
  • USRE20764E - babson : en
  • GB487030A - Improvements in ventilators : en
  • GR7447B - SYSTEM FOR RECOVERING SUBMARINATED SUBMARINE AIR. : el en
  • DE661453C - Metadyn type DC-DC converter : de en
  • GB487227A - Improvements in or relating to method of and apparatus for annealing glassware : en
  • GB487310A - Improvements in and relating to electric cooking plates : en
  • CA374486A - Light tubular structural material : en fr
  • FR829158A - Improvements to television or telecine transmitters : en fr
  • GB486883A - Improvements in and relating to rotary wing aircraft : en
  • GB487026A - Improvements in compression heating and refrigerating apparatus : en
  • FR829239A - Device for collecting plant fibers : en fr
  • US2120400A - Assembly for clutches and the like : en
  • US2120460A - Refrigerated spigot : en
  • CA374345A - Excess voltage protecting device : en fr
  • US2120318A - Method and apparatus for making sheet metal : en
  • US2120342A - Carburetor : en
  • US2120817A - Foundation garment : en
  • US2120390A - Bookkeeping machine : en
  • US2120591A - Watercraft : en
  • US2120773A - Colored roofing granules and method of making the same : en
  • US2120834A - Boudoir accessory : en
  • AU151337A - Improved folding chair : en
  • CH198091A - Seeding device. : de en
  • DE631947C - Plant and flower holders : de en
  • CH198167A - Folder for plans, drawings and the like. : de en
  • US2120747A - Slide vehicle : en
  • US2120634A - Process for treating sewage : en
  • US2120798A - Hydraulic clutch : en
  • US2120720A - Method of making sheet latex articles : en
  • US2120886A - Rotary valve of internal-combustion engines and the lubrication thereof : en
  • CA374457A - Vehicle suspension device : en fr
  • CH198225A - Air resp. Gas separator in the course of a liquid line. : de en
  • US2120637A - Coupler for trailing ordnance and the like : en
  • US2120449A - Lighting fixture : en
  • CH198255A - Device for collecting and sucking off the exhaust gases from dusty gases or vapors generating melting plants, in particular electric melting furnaces. : de en
  • US2120268A - Process of forming a fibrous cement composition : en
  • FR829103A - Device for the protection against freezing of water installations for use in railway cars : en fr
  • GR7453B - FLOAT CUT. : el en
  • US2120308A - Bracelet or other jewel : en
  • CH198132A - Process for the preparation of 2-methyl-2-ethoxy-3-chloro-tetrahydrofuran. : de en
  • CH198198A - Permanent magnet alloy. : de en
  • US2120244A - Treatment of motor fuel : en
  • CH198284A - Circuit arrangement for pulse-fed measuring instruments, in particular for remote measurement purposes. : de en
  • US2120375A - Slicing machine : en
  • US2120809A - Movable changeable electric sign : en
  • AU240337A - Improvements in or relating to gyro-magnetic compasses : en
  • FR829249A - Improvements in the construction of buses and coaches : en fr
  • GB487298A - Improvements in binding agents for coatings : en
  • US2120339A - Electromagnetic device : en
  • CH198212A - Process for removing layers from used films or film waste with alkali without special mechanical treatment. : de en
  • US2120780A - Fan : en
  • US2120683A - Barbecue grill : en
  • US2120505A - Apparatus for applying flexible strips to receptacles : en
  • US2120743A - Process of making same : en
  • AU104156B2 - Improvements in or relating to oil burners : en
  • US2120230A - Respirator : en
  • US2120567A - Golf ball cover : en
  • US2120310A - Adjustable headrest : en
  • AU279937A - Improvements relating to price computing and indicating mechanism : en
  • CH198170A - Type lever drive for typewriters. : de en
  • CH198174A - Device with endless film. : de en
  • DE661390C - Telecommunication and remote control equipment : de en
  • GB487113A - Improvements relating to mallets : en
  • CA374350A - Condensation product preparation : en fr
  • CA374356A - Container : en fr
  • US2120945A - Windshield wiper tension arm : en
  • US2120493A - Seat for toilet and other sanitary receptacles : en
  • US2120755A - Butyl ester compositions : en
  • USD110079S - Design fob a shoe or similar article : en
  • FR829179A - Machine for automatically developing and fixing photographic papers in separate sheets : en fr
  • GB487283A - Improvements in and relating to means for converting oscillating into rotary movements : en
  • CA374371A - Piezo-electric crystal arrangement : en fr
  • CA374469A - Boiler combustion system : en fr
  • CH198128A - Filters for liquid or gaseous substances. : de en
  • AU104134B2 - Improvements in and relating tothe method of gauging the exposure of photographic and cinematographic films and exposure meters for use therein : en
  • AU148537A - Improvements in gain-control amplifiers : en
  • FR829264A - New reinforced cement roofing system : en fr
  • CH198182A - Hand grenade. : de en
  • CH198257A - Burner for liquid fuels. : en fr
  • US2120381A - Materials testing apparatus : en
  • US2120719A - Float gauge : en
  • CA374475A - Electrical prospecting apparatus : en fr
  • CH198238A - Loaded line for remote communications and in particular for telephone communications, presenting several bandwidths usable by transmissions. : en fr
  • DE661393C - Tariff current or other overload monitoring device for electrical installation consumer systems : de en
  • US2120225A - Nicotine composition : en
  • US2120424A - Electric switch : en
  • DE661191C - Laundry kettle with intermediate floor, overflow pipes and dirt separator : de en
  • CA374355A - Mercury switch : en fr
  • US2120813A - Radio tuning indicator device : en
  • NL43378C - : en
  • US2120358A - Device for measuring the length of fibers : en
  • CH198208A - Method for producing a drawing die using a diamond. : de en
  • CH198354A - Lever escapement for Roskopf clocks. : de en
  • US2120438A - Counter sales book : en
  • US2120610A - Counter display stand : en
  • US2120626A - Apparatus for burning liquid fuels : en
  • USD110133S - Design for a dress : en
  • FR829197A - Device to facilitate starting and normal operation of engines in cold weather : en fr
  • GB487115A - Improvements in or relating to the production of casein : en
  • GB487333A - Improvements in or relating to filtering devices : en
  • CH198186A - Pendulum impact tester for dynamic material tests, with adjustable working capacity. : de en
  • DE660895C - Suction sweeper for carpets u. like : de en
  • CA374419A - Glazed roofing : en fr
  • CA374476A - Insulating material : en fr
  • SE92556C1 - : en
  • US2120326A - Digger : en
  • USD110103S - Design fob a combination ashtray : en
  • US2120734A - Coupling mechanism : en
  • CH198279A - Selector equipment. : en fr
  • DE661325C - Train control device with position switch : de en
  • IE14812L - Sliver production from continuous fibres : en
  • US2120688A - Method of manufacturing substituted succinic acids and esters thereof : en
  • US2120587A - Windshield wiper blade : en
  • DE661258C - Storage of oars : de en
  • DE661239C - Arrangement for monitoring the operating status of forming devices working with discharge paths : de en
  • DE661454C - Circuit for subsynchronous braking of asynchronous machines : de en
  • FR829148A - Box in rigid material, with flexible automatic closing : en fr
  • US2120454A - Rear frame member : en
  • DE661195C - Method and device for generating cold : de en
  • FR829299A - Electrical networks such as equalizer networks : en fr
  • GB486965A - Improvements in or relating to pivot fittings for windows, doors and the like : en
  • GB487104A - Firing mechanism for automatic firearms : en
  • DK54860C - Preference for Orchard Cultivators. : da en
  • FR829232A - Punch card printing machine : en fr
  • US2120925A - Wheel balancing fixture : en
  • US2120466A - Shirt board : en
  • GB486985A - Improvements in and relating to inflated automobile seat : en
  • GB487251A - Improvements relating to the feeding of web material to cigarette tipping apparatus and other machines : en
  • GB487150A - Improved coke ovens with movable hollow heating walls : en
  • DE661441C - Device for automatic fine control of the discharge slide on wet setting machines : de en
  • GB487264A - Improvements in or relating to cups of paper, parchment or other like material : en
  • US2120227A - Purification of glycerol : en
  • DE661207C - Carrying and hanging frame for transporting stretchers : de en
  • DK54854C - Coating agent for Roofing felt, Metal and other Building materials. : da en
  • GB487329A - Improvements in or relating to electron discharge devices : en
  • DE661212C - Inclination scale with transport lock : de en
  • DE661378C - Optical signal device : de en
  • DE661293C - Device for copying color raster images : de en
  • DE661303C - Machine system for the production and measurement of parallel, in different planes lying areas on workpieces, such as frame jaws of locomotive frames : de en
  • DE661168C - Process for the recovery of tobacco grits and tobacco dust : de en
  • US2120579A - Process of vulcanizing latex : en
  • IE15070L - Reinforced concrete tank reservoirs : en
  • US2120486A - Processing of ornamental stone : en
  • US2120509A - Locking device for semitrailers : en
  • US2120451A - Apparatus for casting stereotype : en
  • US2120559A - Absorption refrigeration : en
  • DE661436C - Machine for removing knots from boards and filling in the resulting cavities with patches : de en
  • GB487124A - Improvements in or relating to bottling valves : en
  • GB487213A - Magnesia refractories : en
  • GB487226A - Improvements in or relating to electric remote control systems : en
  • GB487309A - Improvements in and relating to boxes and like containers : en
  • GB486892A - Improvements in piston sealing means : en
  • US2120573A - Acid wool dyestuffs : en
  • DE661250C - Process for making optical gratings : de en
  • US2120629A - Air and moisture proof rip seal for packages : en
  • DE661417C - Method of colloidal milling : de en
  • GB486888A - Improvements in or relating to electron discharge devices : en
  • GB487294A - Galvanic cell with air depolarisation : en
  • GB487167A - Chlorinated rubber products : en
  • US2120785A - Furnace for treating pulverulent materials : en
  • US2120884A - Regulator system : en
  • US2120793A - Dehairing machine : en
  • CH198275A - Selector device in telegraph machines. : de en
  • DE661314C - Electric switch with blow pot : de en
  • US2120307A - Display device : en
  • US2120522A - Method of knitting hosiery : en
  • AU104147B2 - Process forthe production of hydrocarbon products, in particular motor fuels such as benzine, diesel oil andthe like, by treatment of liquid or fusible carbonaceous material with hydrogenating gases : en
  • CA374437A - Splitting machine : en fr
  • DK54847C - Procedure for Removing Rust and Other Hydrochloric Acid-Soluble Compounds Using Hydrochloric Acid. : da en
  • FR829118A - Device for simultaneous transmission of several messages by means of ultra-short waves : en fr
  • FR829296A - Sliding door : en fr
  • GB487032A - Improvements in and relating to double windows : en
  • US2120852A - Valve assembly : en
  • CH198206A - Automatic lathe. : de en
  • DE661341C - Contact device for transmitting strong currents : de en
  • GB486897A - Improvements in and relating to gilled or ribbed tubing for steam generators, economisers and like heat exchangers : en
  • FR829238A - Games device : en fr
  • GB487212A - Improvements in or relating to bicycle pedals : en
  • GB487280A - Improvements in and relating to the production of laminated products : en
  • US2120371A - Communication system : en
  • US2120889A - Stop joint for fluid filled cables : en
  • USD110109S - Design for a lamp base : en
  • GB487272A - Improvements in or relating to tractor wheels : en
  • GB487038A - Improvements in or relating to the purification of beta-phenylethyl alcohol : en
  • GB487203A - Improvements in and connected with the cleansing of surfaces by water under pressure : en
  • FR829225A - Improvements in the manufacturing processes of phosphate fertilizers and in the products obtained by these processes : en fr
  • GB487171A - Improvements relating to wind direction indicators : en
  • US2120301A - Flexible tube warmer : en
  • US2120456A - Ornamental device : en
  • US2120636A - Differential and axle drive : en
  • US2120353A - Synchronizing clock : en
  • US2120366A - Direction finder : en
  • USD110119S - Design fob a gift novelty : en
  • US2120305A - Wine-cooling apparatus : en
  • GB486961A - Improvements in methods of and means for shaping and smoothing the uppers of lasted shoes : en
  • US2120554A - Chromium steel : en
  • DE661471C - Device for the simultaneous upsetting of collars at both ends of a workpiece clamped between clamping jaws : de en
  • FR829101A - Improvements made to remote control devices using pressurized fluid : en fr
  • GB487215A - Chill mould for the production of compact ingots and like workpieces from metals or alloys, especially alloys of aluminium or magnesium : en
  • GB487084A - Improvements in or relating to propellers : en
  • DE661470C - Rolled profile for spiral friction springs : de en
  • AU309437A - Extendible beam for building construction : en
  • CA374426A - Lubricating apparatus : en fr
  • GB487037A - Improvements in and relating to the production of plates of artificial horn with differently coloured plastic patterns : en
  • GB486885A - Improvements in or relating to jet tube relays : en
  • DE661478C - Method for synchronizing picture sound films : de en
  • FR829279A - Control device for looms, knitting machines and the like : en fr
  • GB486879A - Improvements in illuminated advertising signs : en
  • GB487231A - Improvements in or relating to picking mechanism for looms for weaving : en
  • GB487243A - Method of and apparatus for television transmission : en
  • GB487331A - Improvements in and relating to axle boxes for light railways : en
  • FR829187A - Brush : en fr
  • FR829252A - Remote control and signaling installation : en fr
  • GB487156A - Improvements in or relating to electrical instruments for measurement of the time-integral of potential difference : en
  • CH198308A - Method for controlling single-phase electric traction vehicles, in particular those with resistance braking. : de en
  • US2120255A - Flare : en
  • US2120518A - Short wave tuned oscillatory circuit : en
  • US2120334A - Fishing reel : en
  • CA374454A - Crank pin assembly : en fr
  • CH198325A - Process for the production of a new azo dye. : de en
  • FR829263A - Process for manufacturing glycerin by fermentation : en fr
  • US2120352A - Electrodynamic slip coupling : en
  • US2120868A - Automatic polish feeder : en
  • CH198183A - Device for the visible indication of the deviation from a course line. : de en
  • US2120763A - Valve : en
  • US2120814A - Azo dyestuffs : en
  • AU104155B2 - Extendible beam for building construction : en
  • CA374489A - Watthour meter register cleaning process : en fr
  • CH198328A - Process for the preparation of a trisazo dye. : de en
  • US2120738A - Rubber coated article : en
  • CH198272A - Hood mask made of stretchable material. : de en
  • US2120394A - Tree felling device : en
  • US2120239A - Shaver and hair remover : en
  • US2120336A - Knitting machine : en
  • US2120706A - Film developing rack : en
  • CA374344A - Photographic dye : en fr
  • CH198134A - Process for the preparation of a new complex compound of a heterocyclic base. : de en
  • AU104153B2 - Improved base for office and like chairs and stools : en
  • US2120300A - Reciprocating machine tool : en
  • US2120577A - Machine screw anchor : en
  • CH198201A - Casting mold for producing dense blocks and similar workpieces from metals, in particular aluminum and magnesium alloys. : de en
  • CA374362A - Fluid heat exchanger : en fr
  • CH198121A - Device applicable to machines for the automatic production of pasta, used for the regular descent of raw materials and their uniform wetting. : en it
  • CA374337A - Electric vacuum switch : en fr
  • GB487064A - A raising and lowering adjustable movement applicable to stools, chairs, tables, desks, benches, seats and the like : en
  • FR829153A - Adjustment device for stabilizing ships : en fr
  • FR829236A - Process for the preparation of 2-keto-1-gulonic acid : en fr
  • GB487002A - Improvements in or relating to the casting of metallic ingots : en
  • US2120356A - Press : en
  • GB486996A - Improvements in or relating to stokers : en
  • GB487087A - Process for the conversion of alkali metal acetates into bicarbonates : en
  • GR7459B - LIGHT METAL FLOATING MASS OF WATER. : el en
  • FR829188A - Device for detecting radioelectric emissions : en fr
  • FR829288A - Device for varying the pitch of propeller blades, particularly those of aircraft propellers : en fr
  • FR829207A - Variable and reversible aircraft propeller : en fr
  • GB487020A - Improvements in or relating to the manufacture of esters of polysaccharides : en
  • GB487332A - Improvements in or relating to flanged sections of small dimensions such as curtain rails and securing brackets therefor : en
  • US2120332A - Pack boat : en
  • CA374383A - Plastic sealing composition : en fr
  • AU104123B2 - Improvements intone control for' television and like systems : en
  • DE661340C - Electrically heated stove for space heating : de en
  • US2120562A - Refractory material and process of making same : en
  • US2120829A - Bake oven : en
  • US2120285A - Secondary butyl and other dixanthogens : en
  • US2120671A - Mowing machine attachment for tractors : en
  • AU219537A - Childs swing apparatus : en
  • CA374363A - Gear shifting mechanism : en fr
  • CA374432A - Electric relay : en fr
  • US2120820A - Method for filling soft center confections and the like : en
  • DE661372C - Circuit arrangement for power surge transmission : de en
  • DE661448C - Electrical control device with mercury switching tubes : de en
  • US2120621A - Chaser assembly : en
  • US2120433A - Refrigerator car : en
  • USD110111S - Design for a wastesasket : en
  • DE661317C - X-ray device with supply of the X-ray tubes by a capacitor that has been charged to the desired operating voltage beforehand by a capacitor that is weak in relation to the tube current : de en
  • NL43263C - : en
  • US2120597A - Automatically variable power transmission apparatus : en
  • US2120760A - Supporting surface of airplanes and the like aircraft : en
  • US2120857A - Holder for newspapers and magazines : en
  • GB486966A - Improvements in or relating to the manufacture or production of electrical junction boxes : en
  • CA374471A - Denture : en fr
  • GB486975A - Improvements in or relating to pipe couplings : en
  • GB487196A - Improvements in and relating to furnace roofs and arches : en
  • FR829266A - Fruit grading machine : en fr
  • US2120325A - Inking edges of shoe parts : en
  • DE661475C - Process for the production of a green fodder preservative : de en
  • DE661164C - Process for the recovery of pure paper stock from waste paper : de en
  • US2120815A - Electrolytic device : en
  • DE661299C - Device for covering elastic capsules : de en
  • FR829222A - Damping joints or assemblies : en fr
  • GB487258A - Tampons and other porous articles, such as sheaths and bandages, and a process for producing same : en
  • FR829155A - Fuel injection device in internal combustion engines : en fr
  • GB487208A - Treadle mechanism for bicycles : en
  • DE661262C - Sending device for teleprinters with storage of all characters to be transmitted : de en
  • CH198151A - Method for bonding materials. : de en
  • GB487250A - Production of hydrocarbons : en
  • DE661329C - Protective device depending on the line resistance : de en
  • GB487004A - An improved welding wire for arc welding : en
  • GB487155A - Clip for fastening roofing : en
  • GR7449B - ARTIFICIAL SHARPENING SHARPEN FOR MINUTE CUTTER TOOLS. : el en
  • US2120631A - Wheel : en
  • GB486992A - Process for the manufacture of ª .ª -unsaturated ketones of the cyclopentano-polyhydrophenanthrene series : en
  • US2120564A - Control system : en
  • US2120624A - Sanding wheel head : en
  • USD110093S - Design fok a bracelet chain or the : en
  • DE661427C - Method and device for producing seals from aluminum : de en
  • FR829169A - Leather body, its manufacturing process and its applications : en fr
  • DE661310C - Device for forming a tobacco rod : de en
  • US2120659A - Loose leaf binder : en
  • US2120273A - Vibratory motor device : en
  • GB487143A - Improvements relating to the production cores for electric inductances : en
  • GB487328A - Improvements in or relating to electron multipliers : en
  • CA374386A - Electro-pneumatic brake : en fr
  • GB487386A - Improvements in and relating to shutter mechanism for photographic cameras : en
  • FR829219A - Process for the preparation of organic arsenic derivatives, soluble in oil : en fr
  • USD110064S - Design for a service bar back : en
  • GB487089A - Improvements in power presses : en
  • DE661383C - Process for the automatic maintenance of the highest possible voltage of high-voltage direct currents used to supply electrical gas cleaning or gas testing apparatus : de en
  • GB487092A - Improvements in fountain pen : en
  • FR829218A - Improvements to gasifiers with boiler located at the base of the fireplace : en fr
  • FR829245A - Improvements relating to adjustable pitch propellers : en fr
  • US2120277A - Rubber covered impeller : en
  • DE661263C - Process for converting an image projected onto a photocathode with all of its brightness values into a mosaic of electrostatic charges and scanning by means of cathode rays : de en
  • DE661274C - Three-roll double ironer : de en
  • GB487267A - A process for the production of solutions of the follicle hormone and derivatives thereof : en
  • US2120476A - Safety device for projectors : en
  • US2120704A - Car door : en
  • USD110124S - Design for a clock casing : en
  • CH198093A - Method and device for mixing in particular powdery, liquid or pasty substances by means of a mixing ball. : de en
  • US2120901A - Container : en
  • GB487321A - Improvements in or relating to thermionic valve circuits : en
  • GB487316A - Improvements in or relating to internal shoe brakes : en
  • US2120391A - Measuring device : en
  • US2120484A - Sheet feeding apparatus : en
  • US2120489A - Process of preparing food products from papaya fruit : en
  • US2120667A - Therapeutic agent for use in the treatment of infection : en
  • CH198161A - Process for the post-treatment of phosphate layers. : de en
  • US2120746A - Pintle control mechanism for revolving doors : en
  • USD110087S - Design for a dress : en
  • US2120280A - Tennis racket and the like : en
  • US2120860A - Extracting and filtering apparatus : en
  • US2120745A - Trench roller attachment for road vehicles : en
  • US2120423A - Electric tumbler switch : en
  • US2120619A - Fixture support : en
  • US2120656A - Buckle : en
  • US2120681A - Crankcase drain : en
  • DE661472C - Method for the indirect fastening of accessories to aluminum objects, in particular handles on aluminum vessels, through an intermediate piece made of aluminum : de en
  • US2120514A - Savings bank : en
  • US2120536A - Method and apparatus for preshrinking cloth : en
  • US2120618A - Air-depolarized primary cell : en
  • DE661322C - Ice cream maker : de en
  • GB487315A - Clock with front of ceramic, vitreous or like material : en
  • CA374359A - Multifocal lens : en fr
  • US2120269A - Hopper : en
  • US2120604A - Tooth brush : en
  • US2120833A - Piston mold : en
  • CA374410A - Defecator : en fr
  • US2120756A - Methyl ester compositions : en
  • US2120324A - Smokeless powder and method of producing : en
  • US2120422A - Automobile towing device : en
  • US2120892A - Telescope sun visor : en
  • US2120313A - Crop end deflecting apparatus : en
  • US2120348A - Bracelet or other jewel : en
  • US2120461A - Method of protecting and forming prefinished metal : en
  • CA374370A - Acylmethylene derivative : en fr
  • CA374470A - Condenser : en fr
  • CH198316A - Process for the preparation of a monoazo dye. : de en
  • US2120365A - New and improved viewing device for use in the examination of photoelastic effects : en
  • US2120677A - Valved coupling for hydraulic brakes : en
  • CA374368A - Tantalum carbide lamp : en fr
  • US2120258A - Container : en
  • GB487210A - Apparatus for drying tea leaf : en
  • CA374452A - Wood wool production : en fr
  • GB487232A - Process and apparatus for electrically measuring grain size range : en
  • CH198165A - Paper vessel for holding oil as well as method and device for producing the same. : de en
  • US2120669A - Valve for oil burners : en
  • US2120949A - Sanitary napkin : en
  • GB486893A - Improvements in fluid pressure producing devices : en
  • GB486898A - Manufacture of substances resembling vitamines from plants : en
  • DE661438C - Rubber hose with inner liner : de en
  • GB487120A - Improvements in lathe and like tool holders : en
  • USD110098S - Design for a road marker : en
  • FR829243A - Improvements to Printing Telegraph Devices : en fr
  • CA374400A - Shingle and assembly : en fr
  • US2120464A - Well shooting apparatus : en
  • US2120730A - Window rain shield : en
  • CH198276A - Teletypewriter. : de en
  • DK54851C - Apparatus for automatic Banknote Issuing Machines for use in fully or semi-automatic Telephone exchanges or similar exchanges. : da en
  • CH198094A - Food can. : de en
  • US2120713A - Leg straightening attachment : en
  • US2120807A - Device for soaping flowing water : en
  • US2120879A - Lamp socket : en
  • US2120253A - Pottery making machine : en
  • CH198304A - Manually operated block device. : de en
  • FR829151A - Improvement to machines producing ice by rapid evaporation of water in vacuum : en fr
  • US2120929A - Thermostatic unit : en
  • USD110088S - Design for a dress : en
  • DE661283C - Device for monitoring the operation of electrodes for arc converters : de en
  • DE661455C - Arrangement for the supply of excitation windings with slip frequency of commutator machines connected in three-phase cascades : de en
  • CH198100A - Process and device for felling dust and flying on drafting systems. : de en
  • CH198253A - Arrangement for shifting the ignition point of a grid-controlled converter. : de en
  • US2120399A - Safety razor : en
  • USD110132S - Design for a dress : en
  • AU104148B2 - A process for uniformly coating the printing supports Cylinders and plates) withthe sensitive layer forthe photomechanical manufacture of printing forms : en
  • US2120806A - Method for making points for the ends of rods and the like : en
  • US2120839A - Earth working implement : en
  • US2120299A - Cooling apparatus : en
  • US2120410A - Yeast nutriment containing liver oil and method of manufacturing the same : en
  • DE661333C - Arrangement for commutation in converting devices with controlled discharge paths : de en
  • CA374478A - Dress form : en fr
  • CH198133A - Process for the preparation of a hydantoin containing the sterol core. : de en
  • CH198294A - Device for the dosed delivery of bulk goods stored in storage facilities. : de en
  • US2120389A - Valve actuating means : en
  • US2120772A - Pump : en
  • CH198310A - Potato sorting machine. : de en
  • US2120872A - Vacuo-thermal massage appliance : en
  • USD110065S - Design for a service bar back : en
  • US2120799A - Metallized orange to brown azo dyes : en
  • CH198107A - Spreading device for fabric webs. : de en
  • DE661415C - Double-edged reamer, in which the knife sliding on top of one another is replaced by an intermediate piece that can be adjusted by means of a screw. B. wedge shape, can be moved apart : de en
  • AU104128B2 - Improvements relating to price computing and indicating mechanism : en
  • US2120292A - Venetian blind : en
  • US2120643A - Method of preparing an oxygenliberating composition : en
  • CH198189A - Method and device for mechanical sound pick-up of vibrations recorded in sound grooves. : de en
  • DE661338C - Process for cleaning electrical discharge vessels : de en
  • GB486889A - Improvements in or relating to tuning and other indicator and scale arrangements suitable for use for example in radio receivers or wave meters : en
  • GB487276A - Improvements in prepayment meters for electricity : en
  • US2120298A - Method of refining iron and steel : en
  • FR829281A - Improvements to dry products derived from milk, to mixtures of these products, to articles made from these products and to their manufacturing processes : en fr
  • IE14897L - Collar-retention device : en
  • GB487012A - Automobile steering wheel construction : en
  • GB487172A - Improvements in and relating to a.c. induction motors : en
  • US2120916A - Light frequency converter : en
  • USRE20763E - Wringer : en
  • FR829117A - Assembly machine with notching device for the production of shoes : en fr
  • CA374440A - Starting and stopping mechanism : en fr
  • FR829175A - Improvement of controls by electromagnets : en fr
  • FR829182A - Anthraquinone series vat dyes, their preparation process and applications : en fr
  • FR829198A - Process for tempering glass sheets : en fr
  • CA374404A - Ore and fuel processing : en fr
  • DE661268C - Skin removal device : de en
  • GB487305A - An improved bearing metal alloy : en
  • US2120359A - Window : en
  • US2120533A - Method of making roller bearings : en
  • US2120657A - Internal combustion engine : en
  • US2120893A - Strainer lid for milk pails : en
  • DE661382C - Process for making painter's brushes and paint brushes : de en
  • FR829133A - Stop mechanism for winders : en fr
  • GB486851A - Improvements in or relating to sighting telescopes : en
  • FR829276A - Intermediate device for servicing die composers and whole line melting machines : en fr
  • GB487178A - Improvements in or relating to soldering irons : en
  • DE661196C - Multiple controller for locomotive steam engines : de en
  • DE661433C - Switch-on device for electric motors to drive compressors, pumps and similar machines : de en
  • AU104154B2 - Skein holder for use in winding the wool, cotton or string ofa skein into a ball : en
  • CA374430A - Refrigerator car drain : en fr
  • CA374439A - Shoe working machine : en fr
  • DE661426C - Steam brewing pan with raised central section : de en
  • DK54858C - Window. : da en
  • US2120838A - Stave : en
  • FR829273A - Advanced internal combustion engine : en fr
  • US2120574A - Electric meter connection appliance : en
  • US2120903A - Closure for containers : en
  • FR829237A - Improvements to synchronous transmission devices and particularly to printing telegraph processes and apparatus : en fr
  • US2120797A - Heat exchange device : en
  • AU389237A - Improvements in indicating boards for use in remote supervision or like systems : en
  • US2120428A - Rail joint and method of making the same : en
  • US2120615A - Well gun : en
  • US2120633A - Method of forming wheels : en
  • US2120865A - Beverage saving and pipe cleaning device : en
  • FR829157A - Electric timepieces : en fr
  • USD110089S - Design for a tire : en
  • DE661323C - Starting and conveying device for heavy internal combustion rams : de en
  • GB487149A - High pressure mercury vapour tubes : en
  • GB487399A - Improvements in or relating to a process for producing soap : en
  • US2120757A - Production of a high luster on dyed fibers : en
  • ES4655Y - Foldable cage for transporting birds and other animals : en es
  • GB487249A - Improvements in centrifuges for purifying paper pulp : en
  • AU104121B2 - A process forthe production of photographic and kinematographic pictures in colour : en
  • CH198109A - Iron rack. : de en
  • DE661170C - Device for seamless sinking of machine sinkholes by means of sliding cables : de en
  • US2120702A - Manufacture of catalysts : en
  • CH198119A - Oven lamp with reflector. : de en
  • GB487050A - Improvements in or relating to the roofing and covering of buildings and the glazing of greenhouses, frames and building structures in general : en
  • CH198163A - Closing device on envelopes, in particular lottery ticket envelopes, which prevents the envelope from being opened without visible damage to it. : de en fr
  • US2120452A - Annealing lehr : en
  • USD110116S - Design fob an automobile radio set : en
  • US2120711A - Apparatus for securing calks to athletic shoe soles : en
  • GB487160A - Improvements in and relating to typographical slug casting machines : en
  • USD110114S - Design fob a light diffusing tor : en
  • GB487130A - Improvements in and relating to rubber sheeting machines : en
  • USD110069S - Design for a shoe : en
  • US2120295A - Destructive hydrogenation of carbonaceous materials : en
  • US2120845A - Ink fountain : en
  • US2120876A - Holding and releasing switch : en
  • CH198323A - Process for the production of a new azo dye. : de en
  • US2120581A - Tube sign construction : en
  • DE661284C - Process for the preparation of aminoazaphenanthrenes : de en
  • DE661469C - Venting and filling device for the injection pump system of internal combustion engines : de en
  • US2120748A - Drying form : en
  • CA374413A - Conveyer : en fr
  • CH198071A - Process for the preparation of insecticide and fungicide products. : en fr
  • DE661490C - Card holder for writing, calculating and similar machines : de en
  • DE661278C - Flat pocket-shaped heat exchange element : de en
  • FR829286A - Improvements to electric discharge tubes : en fr
  • GB486880A - Improved game apparatus : en
  • CA374374A - Liquid congealing apparatus treating process : en fr
  • CH198075A - Theater construction. : de en
  • DE661222C - Toy with a body rolling on the tabletop, carrying a figure : de en
  • DE661451C - Electrical switching device for contactors with immediate switching on and off by hand and delayed automatic switching off : de en
  • AU104125B2 - Improvements intone control for television andthe like systems : en
  • GB487382A - Improvements in and relating to plant handling trucks : en
  • NL43382C - : en
  • DE661386C - Braking device for electric traction vehicles, consisting of regenerative braking, separately excited resistance braking and self-excited short-circuit braking : de en
  • DE661401C - Process for cleaning soot or graphite by oxidation : de en
  • DE661463C - Hot water bottle made of elastic material, e.g. B. rubber : de en
  • DK54863C - Separate Pipe Connection. : da en
  • US2120511A - Supporting rack : en
  • US2120392A - Continuous process for the chlorination of ketones : en
  • CH198112A - Press for ironing men's clothes. : en it
  • US2120557A - Sulphonic acids of carboxylic acid amides and process for the production thereof : en
  • US2120956A - Control system : en
  • CH198213A - Method for grinding camshafts. : de en
  • DE661189C - Backflow valve with conical valve body : de en
  • US2120930A - Resistance element : en
  • GB487102A - Improvements in and relating to electrolytic devices : en
  • DE661429C - Wetting, cleaning and dispersing agents : de en
  • FR829120A - Improvements to reservoir pen holders : en fr
  • GB487271A - An improved handling strip or detachable edging for copying mediums, such as carbon papers, stencils, typewriter and like ribbons : en
  • CH198339A - Process for the preparation of an azo dye. : de en
  • DE661173C - Extraction of magnesium hydroxide : de en
  • DE661318C - Process for preserving raw animal skins : de en
  • FR829259A - Device for removing the moisture contained in solid fuels during their use in gasifiers : en fr
  • AU224237A - A process for uniformly coating the printing supports Cylinders and plates) withthe sensitive layer forthe photomechanical manufacture of printing forms : en
  • US2120910A - Yarn package : en
  • US2120641A - Corn sheller : en
  • US2120444A - Apparatus for dredging : en
  • US2120630A - Electrical socket and method of making same : en
  • US2120635A - Purified ergot product : en
  • CA374458A - Carriage : en fr
  • CA374459A - Calendar watch movement : en fr
  • CH198301A - Braking and energy recovery device for vehicles. : en fr
  • CA374372A - Alloy composition : en fr
  • CA374465A - Farebox : en fr
  • CH198223A - Rotary machine. : en fr
  • AU104142B2 - Improvements in or relating to facsimile television and like signalling systems : en
  • CA374351A - Driving and stopping mechanism : en fr
  • DE661377C - Step suspension, especially for motor vehicles : de en
  • FR829270A - Grating diaphragm for scattered rays : en fr
  • US2120842A - Feed mechanism for screw and similar machines : en
  • AU225837A - An improved machine for nailing butter boxes andthe like : en
  • CH198085A - Device for cleaning floors. : de en
  • CH198227A - Carburetor. : en fr
  • US2120614A - Metal double hung window : en
  • USRE20761E - Clarification plant : en
  • US2120571A - Fly tying : en
  • AU104137B2 - Improvements in light signals for railways andthe like : en
  • AU278237A - Skein holder for use in winding the wool, cotton or string ofa skein into a ball : en
  • CA374487A - Independent spring system for front wheels : en fr
  • CA374347A - Engine starter control : en fr
  • CA374412A - Endless chain conveyer : en fr
  • CA374427A - Heat exchanger : en fr
  • CA374461A - Decoy : en fr
  • GB486970A - Improvements in electric cables : en
  • GB486991A - Improvements in pipe bends or elbows : en
  • GB487307A - Improvements in or relating to a process for the manufacture of rubber thread : en
  • DE661406C - Device for measuring differences in gravity : de en
  • CA374379A - Electric and fluid pressure brake system : en fr
  • CA374429A - Refractory composition : en fr
  • US2120297A - Device for producing aerated expanded food products : en
  • DE661249C - Automatic beam scales for piece goods : de en
  • GB486881A - Improvements in or relating to telegraph perforators and transmitters : en
  • US2120387A - Device for burning atomized liquid fuel : en
  • US2120931A - Production of plastic compositions : en
  • GB487003A - An improved welding wire for arc welding : en
  • GB487072A - An improved boot and shoe cleaning outfit : en
  • DE661019C - Toilet facilities, especially for railroad cars : de en
  • GB487385A - Improvements in methods of heating working pieces by means of high frequency furnaces : en
  • US2120539A - Rolling mill : en
  • US2120848A - System of electric motor control : en
  • GB487140A - An improved method of producing handles for tools and implements of all kinds, and said handles : en
  • DE661175C - Process for the production of bichromates from chromium salts : de en
  • GB487016A - An improved foot arch support : en
  • US2120729A - Process and device for automatically centering x-rays in radiographic and stereoscopic radiographic apparatus : en
  • US2120844A - Process of conditioning, lofting, and fluffing yarns and the like : en
  • DE661355C - Rotary valve : de en
  • GB487202A - Improvements relating to circular looms for weaving : en
  • US2120491A - Closure for containers : en
  • GB487324A - Improvements in or relating to absorption refrigerating apparatus : en
  • FR829293A - Method for optical measurement of the moisture content of the vapor and measuring device allowing the implementation of this method : en fr
  • US2120862A - Goblet : en
  • DE661362C - Neon sign device : de en
  • DE661316C - Electric daylight tubes with a filling of mercury and noble gas and a luminophore layer consisting of calcined zinc silicate : de en
  • FR829217A - Sliding step step intended in particular for road or rail vehicles : en fr
  • AU104141B2 - Improvements in or relating to navigation aiding radio systems : en
  • CH198283A - Cathode ray tube with imaging optics. : de en
  • ES144117A1 - A new procedure to rid the pipe of sinks, sinks, toilets and similar facilities. : en es
  • FR829181A - Electrically operated adjuster for low electric current : en fr
  • DE661266C - Process for increasing the reflectivity of the surfaces of aluminum and aluminum alloys : de en
  • GB487398A - Improvements in road traffic control systems : en
  • FR829163A - Improvements in dissolution extraction processes and apparatus : en fr
  • GR7456B - COMMUNITY VENTILATION SYSTEM. : el en
  • US2120769A - Device for cleaning and shampooing the scalp : en
  • FR829283A - Revolving handle system for controlling components on motorcycles and bicycles : en fr
  • US2120345A - Refrigerator car : en
  • US2120521A - Wringer : en
  • US2120263A - Sound-on-film optical system : en
  • DE661400C - Process for producing encased welding electrodes or welding rods from continuous wire : de en
  • GB487057A - Improvements in ramming devices and methods of use in constructing concrete piles and the like : en
  • DE661193C - Flue gas heated feed water preheater for rail vehicles : de en
  • GB487206A - Cabinet for lubricant dispensing apparatus : en
  • DE661013C - Electric contactor drive : de en
  • DE661253C - Process for the production of protective layers on objects made of aluminum or aluminum-containing alloys : de en
  • FR829121A - Bird cage : en fr
  • FR829294A - Support device for watch straps : en fr
  • GB487005A - Improvements in headlamp installations for vehicles : en
  • US2120881A - Method of making molds : en
  • US2120863A - Fishing hook : en
  • US2120691A - Pressure indicating device : en
  • CA374424A - Stoker firing table : en fr
  • US2120918A - Vehicle body construction : en
  • USD110129S - Design fob a textile fabric : en
  • US2120419A - Telephone system : en
  • US2120542A - Car construction : en
  • US2120766A - Manifolding machine : en
  • US2120303A - Gain control device : en
  • US2120715A - Conversion of hydrocarbons : en
  • GB487286A - Improvements in and relating to portable shelters, huts and like buildings : en
  • US2120384A - Yieldable clutching means : en
  • DE661419C - Brake acting on the towing vehicle when the trailer hits : de en
  • FR829261A - Improvements in the manufacture of hollow glass articles : en fr
  • GB487006A - Improvements relating to the purification of waste liquors : en
  • US2120469A - Straight line connecter : en
  • US2120878A - Slide rule : en
  • US2120282A - Mold for presses : en
  • DE661185C - Method and device for the production of metallic coatings from metals vaporized by means of an electric arc in a chamber : de en
  • CA374393A - N-vinyl compound production : en fr
  • US2120790A - Apparatus for drawing plastic material : en
  • CH198248A - Electric discharge tube. : de en
  • DE661369C - Device for the dust-free shoveling of bulk goods, in particular garbage, from a vessel into a collecting container with a tilting frame provided with a lid closure : de en
  • US2120664A - : en
  • US2120465A - Corn pad : en
  • USD110084S - Design for a hat : en
  • CH198289A - Container and method for its manufacture. : en fr
  • CH198221A - Cylinder-piston assembly, fitted with a device for stopping the piston for an adjustable time when reversing its movement. : en fr
  • US2120316A - Apparatus for welding and flash trimmings : en
  • CA374485A - Suspended gas particle extracting apparatus : en fr
  • CH198252A - Arrangement for generating a surge voltage for grid control of converters. : de en
  • US2120580A - Fusee : en
  • US2120822A - Storage battery : en
  • USD110097S - Design for an ashtray : en
  • CH198135A - Process for the preparation of 2,2'-dimethyl-4,4'-dioxy-p-phenanthroline. : de en
  • CH198265A - Orthopedic shoe insole. : de en
  • CA374425A - Stoker firing table : en fr
  • GB487062A - Improvements in or relating to containers for viscous liquids : en
  • GB487345A - Improvements in and relating to fire and temperature alarm system : en
  • AU104140B2 - Improved boiler for use on dairy farms and for like purposes : en
  • GB487061A - A device for automatically stopping wire-drawing machines in case of rupture of the wire : en
  • FR829161A - Improvement of pneumatic casings, belts and other articles made from rubber or similar products : en fr
  • FR829221A - Process for purifying crude hydrocarbons, in particular crude benzol, crude benzine and cracking benzine : en fr
  • GB487048A - Improvements in or relating to radiogoniometers : en
  • US2120874A - Throttling calorimeter : en
  • FR829211A - Improvements made to carburetors : en fr
  • CH198103A - Round warp knitting machine. : de en
  • CH198347A - Process for the preparation of a titanium-containing azomethine dye. : de en
  • DE661319C - Packless pipe connection : de en
  • DE661468C - Injection pump driven by the compression pressure in the combustion cylinder : de en
  • DE661321C - Method and device for the production of finely divided, air-dried peat powder : de en
  • USD110106S - Design foe a lamp base : en
  • US2120271A - Fluid fuel burning blacksmith's forge : en
  • CA374367A - Electric discharge device : en fr
  • DE661381C - Device for supporting the chocks of the central roll of trio roll stands : de en
  • FR829124A - Advanced toilet tissue dispenser : en fr
  • GB487108A - Improvements in or relating to ornamental material, particularly edging for shelves : en
  • DE661371C - Electrical switching device for railroad cars with steam and electric heating : de en
  • US2120904A - Container and method of making the same : en
  • CH198273A - Intervallograph. : de en
  • DE661315C - Tandem mill for reverse operation : de en
  • US2120501A - Manufacture of filter tips for cigarettes : en
  • US2120853A - Apparatus for severing glass rod and tubing : en
  • CH198179A - Inkwell. : en fr
  • CH198314A - Process for the preparation of a trisazo dye. : de en
  • CH198266A - Belt for holding sanitary napkins. : de en
  • AU221737A - Improved boiler for use on dairy farms and for like purposes : en
  • US2120411A - Display device : en
  • US2120873A - Circuit breaker tester : en
  • US2120908A - Cassette filter : en
  • US2120606A - Fastener : en
  • USD110121S - Design for a sweater ensemble : en
  • CA374411A - Rail step joint : en fr
  • CH198158A - Process for the production of protective coatings on magnesium and its alloys. : de en
  • CH198274A - Method and device for evaluating registration sheets, in particular those of writing maximum counters. : de en
  • CH198293A - Tube closure. : de en
  • US2120517A - Keyboard perforator and counter : en
  • US2120940A - Safety razor and blade therefor : en
  • CA374346A - Electrodeposition of metal : en fr
  • CH198185A - Process and heat meter for measuring the amount of heat given off by a surface. : de en
  • GB486973A - Improvements in or relating to the manufacture of wetting agents for mercerising lyes : en
  • DE661225C - Process for the production of ice colors using the printing or padding process : de en
  • DE661304C - Hinge-like locking device for window sash and like : de en
  • GB487317A - A process for improving soaps from oxidation products of nonaromatic hydrocarbons ofhigh molecular weight and apparatus therefor : en
  • DE661241C - Contact wire connection for electrical switching elements enclosed in a housing, in particular capacitors : de en
  • DE661298C - Riding scooter : de en
  • CH198300A - Device for displaying the direction of travel on a bicycle or motorcycle. : de en
  • CH198329A - Process for the preparation of a tetrakisazo dye. : de en
  • DE661257C - Photographic duplicator : de en
  • DE661261C - As a role trained printer driver for flat printing presses : de en
  • FR829145A - Fluid dosing device, elastic or not : en fr
  • GB486958A - Improvements relating to washer boxes for coal and the like : en
  • US2120481A - Closet bowl step attachment : en
  • NL43472C - : en
  • US2120479A - Blotter : en
  • CH198152A - Soap. : de en
  • CH198295A - Hydraulic device for coupling a driving shaft and a driven shaft, in particular for gear changes applicable to automobiles. : en fr
  • DE661356C - Belt drive : de en
  • DE661467C - Self-sellers, especially for stick-shaped goods : de en
  • GB487266A - Improvements in or relating to electric converters : en
  • CH198245A - Mini automat. : de en
  • DE661422C - Gun with vertically adjustable pivot : de en
  • CH198303A - Drive device with a high-speed steam engine group, in particular a locomotive drive device. : de en
  • CH198236A - Three-phase transformer device. : en fr
  • US2120248A - Charging and discharging valve : en
  • AU225537A - Improvements intone control for' television and like systems : en
  • US2120364A - Device for controlling the supply of fuel to oil burners and the like : en
  • US2120445A - Display device : en
  • CH198320A - Process for the production of a new azo dye. : de en
  • US2120443A - Method and apparatus for braking : en
  • US2120446A - Method of and apparatus for repairing fractured bones : en
  • US2120740A - Production of iron : en
  • CH198105A - Process for the manufacture of an agent for sizing, finishing and making fibrous materials non-slip. : de en
  • CH198256A - Regulating device on burners for gas apparatus. : de en
  • CH198317A - Process for the preparation of a monoazo dye. : de en
  • GB487117A - Improved trick article : en
  • US2120779A - Fuel cooling device : en
  • DE661430C - Brake field switching for sending or receiving modulated oscillations : de en
  • FR829195A - Improvements in the assembly of gear changes for cycles by derailing the chain : en fr
  • CA374341A - Dye : en fr
  • CH198311A - Process for waterproofing and consolidating land or masonry. : en fr
  • CA374446A - Rimming machine for wood heels : en fr
  • GB487073A - Improvements in slicing machines : en
  • CH198267A - Process for the production of a product containing metallic iron which is used as a medicament. : de en
  • CH198357A - Injection molding machine for processing thermoplastic masses. : de en
  • CA374409A - Photosculpture : en fr
  • CH198143A - Process for the preparation of an acidic wool dye. : de en
  • CH198154A - Process for hardening objects made from synthetic casein horn. : de en
  • DE661182C - Furnace for obtaining a mixed gas of distillation gas and water gas : de en
  • DE661412C - Elastic washer used to secure nuts and bolts : de en
  • US2120607A - Seaming device : en
  • CA374477A - Converted smoke-tube superheater : en fr
  • CA374444A - Shoe manufacture : en fr
  • CH198312A - Equipment for the production of drainage pipes from cement concrete. : de en
  • CH198343A - Process for the preparation of a dioxazine dye sulfonic acid. : de en
  • US2120556A - Inflation for milking machine cups : en
  • US2120645A - Interlocking device for dispensing pumps : en
  • US2120682A - Hand punch : en
  • NL43394C - : en
  • US2120457A - Means for protecting electrical devices : en
  • CH198243A - Automatic overcurrent switch with a switch lock equipped with a toggle lock. : de en
  • GB486913A - Improvements in and relating to amusement devices : en
  • GB487022A - Improvements in stamping machines : en
  • CA374377A - Direct-trip device : en fr
  • US2120327A - Refrigerator cabinet : en
  • US2120941A - Cabinet heater : en
  • US2120694A - Apparatus for oil well cementing : en
  • DE661445C - Locking device for sliding doors, especially for double sliding doors of railroad cars : de en
  • CH198144A - Process for the production of a new dye. : de en
  • CH198288A - Set of packing boxes. : de en
  • US2120751A - Positive vehicle-storage automatic system : en
  • CA374364A - Combined body and chassis underframe : en fr
  • AU316637A - Improvements in apparatus for bending wood staves for casks orthe like : en
  • CH198202A - Process for soft soldering aluminum. : de en
  • CH198234A - Heat exchanger. : de en
  • CH198224A - Liquid piston pump. : de en
  • CA374358A - Permutation lock : en fr
  • CH198074A - Venetian blind. : de en
  • US2120550A - Distance annunciator : en
  • CH198160A - Process for the production of a layer of glass character on a support and article obtained in this way. : de en
  • CH198184A - Measurement mark plate for space image distance measurer : de en
  • CA374389A - Handkerchief display card : en fr
  • FR829193A - Automatic rewinder : en fr
  • CA374447A - Vulcanizing clamp : en fr
  • CH198104A - Warp knitting machine. : de en
  • CH198086A - Floor polisher with electric drive. : de en
  • CH198106A - Elastic product, method of manufacturing the latter and machine for implementing this method. : en fr
  • AU104166B2 - Improvements in or relating to printing telegraph systems : en
  • CA374417A - Well cementing apparatus : en fr
  • AU104138B2 - Improvements in or relating to gyro-magnetic compasses : en
  • US2120350A - Car roof : en
  • US2120731A - Electric circuit breaker : en
  • US2120923A - Boat detaching apparatus : en
  • US2120312A - Milking stool : en
  • US2120942A - Securing trim panel : en
  • FR829265A - Direction change indicator device for automobiles and other vehicles : en fr
  • US2120767A - Refrigeration apparatus : en
  • CH198338A - Process for the preparation of an azo dye. : de en
  • FR829127A - Automatic adjustment device : en fr
  • US2120576A - Means for controlling the worker of teasing machines : en
  • FR829177A - Improvements to the construction of cast iron drums for brakes and other applications : en fr
  • FR829126A - Twist drill : en fr
  • CH198166A - Facility for displaying and mailing brochures and other printed matter, samples, etc. : de en
  • US2120340A - Garment renewing machine : en
  • US2120850A - Printing telegraph receiver : en
  • GB487105A - Transmission system between a motor-cycle and sidecar : en
  • CH198230A - Device for adjusting the ignition timing on ignition devices for internal combustion engines. : de en
  • AU104158B2 - Improvements in apparatus for bending wood staves for casks orthe like : en
  • FR829122A - Set for garden utensils to be placed in a small bucket, constituting a breeze : en fr
  • CA374462A - Kitchen knife : en fr
  • DE661267C - Method for the prevention of aberrations in devices for the optical copying of lenticular lenticular films : de en
  • FR829208A - Lighting fixture for illumination : en fr
  • GB486978A - Connecting rods for internal combustion engines : en
  • USD110135S - Design for a dress : en
  • US2120871A - Foldable box body : en
  • AU104122B2 - Improvements in or relating to electric signalling systems : en
  • US2120393A - Printing ink : en
  • AU224037A - Process forthe production of hydrocarbon products, in particular motor fuels such as benzine, diesel oil andthe like, by treatment of liquid or fusible carbonaceous material with hydrogenating gases : en
  • CA374369A - Chemical product : en fr
  • GB486982A - Improvements in or relating to weighbridges, especially portable weighbridges : en
  • GB487059A - An improvement in fuel injection pumps and injection nozzles for high compression oil engines : en
  • CH198249A - Electric discharge tube. : de en
  • US2120721A - Method of and apparatus for making rubber thread : en
  • GB487126A - Freewheel brake hub, especially for cycles : en
  • DE661214C - Cutting and pressing plate for sound recordings : de en
  • US2120531A - Container for liquid paints : en
  • US2120913A - Projectile : en
  • FR829186A - Portable pressurized liquid fire extinguisher : en fr
  • FR829258A - Improvement to machine tools used for work in stone and similar materials factories : en fr
  • FR829202A - Remote electrical transmission device : en fr
  • CH198164A - Device on file binding machines for braking the binding roll. : de en
  • USD110113S - Design fob a combined make-up box : en
  • AU227237A - Improvements in or relating to facsimile television and like signalling systems : en
  • US2120296A - Heating up carbonaceous material : en
  • US2120468A - Expanded concrete and process of producing the same : en
  • US2120247A - Duplicating machine : en
  • CA374431A - Electric relay : en fr
  • CH198205A - Device for closing tin cans. : de en
  • CH198261A - Self-heating electrode. : de en
  • US2120547A - Vulcanization of rubber : en
  • US2120549A - Dry powdered phenol resin : en
  • US2120864A - Gas-air mixing valve for burners : en
  • DE661462C - Device used for splinting and stretching arms and legs : de en
  • CH198130A - Heating jacket for agitator kettles, stills and similar containers. : de en
  • CH198250A - Electrical discharge vessel with metal wall. : de en
  • DE661370C - Drying system with several tube dryers : de en
  • FR829164A - Waving device : en fr
  • GB487319A - Improvements relating to microphones : en
  • FR829191A - Method of heating premises by hot air and its means of implementation : en fr
  • FR829205A - Linkage members with variable ratio with speed and elongation : en fr
  • US2120233A - Control means for record controlled accounting machines : en
  • US2120749A - Knockover device : en
  • US2120686A - Clamping device : en
  • CH198350A - Process for the production of a transparent, colored lacquer. : de en
  • DE661342C - Device for electrical spot or spot weld welding using controlled steam or gas discharge paths : de en
  • US2120453A - Combination fork and fender : en
  • US2120784A - Apparatus for washing tanks and the like : en
  • US2120906A - Means and method for filling and closing containers : en
  • CH198217A - Shaft bearing. : de en
  • CH198233A - Fridge. : de en
  • US2120338A - Spark plug insulator : en
  • DE661210C - Encoder arrangement for synchronously controlled cinema recorders, in particular cinema theodolites : de en
  • GB487055A - Manufacture of stable colloidal dispersions of metals : en
  • US2120934A - Process for making plastic compositions : en
  • US2120235A - Teletypewriter system : en
  • US2120527A - Incandescent nernst lamp : en
  • GB486983A - Improvements in draining and ventilating eyelets : en
  • CA374401A - Container charging apparatus : en fr
  • DE661208C - Use of a mold according to patent 651787 for the production of composite castings : de en
  • DK54845C - Procedure for Machine Washing. : da en
  • US2120314A - Slab turning apparatus : en
  • US2120572A - Process and product for obtaining rapid coagulation of rubber : en
  • US2120642A - Method of veneering : en
  • US2120675A - Preparation of brominated hydrocarbons : en
  • US2120254A - Convertible duplex simplex printing telegraph system : en
  • CH198168A - Device for locking and holding the card holder in graduated card files. : de en
  • FR829183A - Tetramethylbenzidine, its preparation and industrial applications : en fr
  • DK54855C - Ash conveyor. : da en
  • GB487201A - Improvements in or relating to fittings for fixing skins to skis : en
  • US2120665A - Elastic fabric : en
  • US2120716A - Pickling tank : en
  • FR829170A - Fabric for underwear and underwear : en fr
  • GB487184A - Improvements in or relating to rotary valve internal combustion engines : en
  • GB486890A - Improvements in or relating to the manufacture of moulding compositions containing condensation products of the phenol-aldehyde type : en
  • GB487152A - Improvements in or relating to rivet setting machines : en
  • GB487228A - Improvements in and relating to the separation of mixed materials : en
  • GB487241A - Cathode ray tubes for intensity-controlled illumination : en
  • FR829227A - Process for the manufacture of multiple glass, in sheets, capable of being assembled with mortar : en fr
  • DE660262C - Direction indicators and overtaking indicators : de en
  • FR829192A - Locker box or bottle basket : en fr
  • GR7451B - ELASTIC STRESSING DEVICE OF RAILWAYS AS WOODEN ROLLERS. : el en
  • DE661184C - Pre-chamber diesel engine operating in the flow-through process : de en
  • US2120523A - Emergency light or torch no. 1 : en
  • US2120240A - Drilling apparatus : en
  • US2120361A - Water connection : en
  • US2120774A - Shower bath : en
  • DE661302C - Device for grinding irregularly curved edges of flat plates made of glass or the like. : de en
  • DK54869C - Method and Apparatus for the production of mineral waters and other soft drinks. : da en
  • US2120288A - Direction indicating system : en
  • US2120575A - Electric meter connection appliance : en
  • DE661232C - Closed belly kettle for circulating cooking liquor : de en
  • AU104161B2 - Improvements in fly-wire screens and means for attaching thesame to window sashes : en
  • DK54870C - Round tissue. : da en
  • GB486993A - Improvements in or relating to cooking stoves, refrigerators, food storage cabinets and the like : en
  • GB487065A - Improvements in and relating to photo-electric exposure meters : en
  • US2120246A - Pyrotechnic device : en
  • US2120560A - Azo dyestuffs and their production : en
  • DE661245C - Holder for vacuum cleaner accessories : de en
  • DE661275C - Tabulation device on typing, writing calculators, adding machines, etc. : de en
  • US2120540A - Manufacture of carbon black : en
  • US2120695A - Gas valve mechanism : en
  • USD110104S - Design for a lamp base : en
  • US2120750A - Flat rib knitting machine : en
  • USD110120S - Design for a deflector for infant s : en
  • GB487091A - Improvements in or relating to water-distilling apparatus : en
  • US2120498A - Return bend : en
  • USD110075S - Design for a display container for : en
  • US2120355A - Perforated record sorting machine : en
  • GB487019A - Improvements in and relating to electric discharge devices : en
  • DE661336C - Controllable electrical gas or vapor discharge vessel : de en
  • GB487001A - Improvements in and relating to bolt head and nut locks for pivot joints : en
  • US2120370A - Foot support and construction involving the same : en
  • US2120472A - Window display : en
  • US2120932A - High frequency induction dehydrator : en
  • US2120513A - Manufacture of nitrogenous cellulose derivatives : en
  • US2120594A - Automotive driving assembly : en
  • US2120649A - Machine for making capped nut blanks : en
  • GB487277A - Improvements in apparatus for elevating a progressively decreasing stack of sheets or the like : en
  • FR829287A - Low frequency distortion suppression in television amplifiers : en fr
  • GB487378A - Process for the preparation of new soluble aromatic amino compounds of therapeutic value : en
  • AU225637A - Cathode ray devices for television systems : en
  • CH198141A - Process for the preparation of an azo dye. : de en
  • US2120841A - Lighter for gas stoves : en
  • DE661418C - Baling and packaging press : de en
  • CH198156A - Process for improving the properties of artificial masses. : de en
  • US2120395A - Eaves trough : en
  • US2120616A - Lubricating fluid : en
  • US2120670A - Method and apparatus for orienting tools : en
  • US2120948A - Atomizer : en
  • DE661292C - Drive to demonstrate the ease of movement of machines at exhibitions, especially agricultural machines : de en
  • US2120383A - Pulley : en
  • USD110131S - Design for a dress : en
  • AU313437A - Improvements in or relating to oil burners : en
  • FR829140A - Improvements to water softeners : en fr
  • GB487161A - Improvements in or relating to felted fibrous products such as batts or mats of mineral wool fibres and to a method and apparatus for making same : en
  • ES4686Y - Retaining hinge for doors and windows : en es
  • GB486959A - An improved electric terminal block combined with cable clamp : en
  • GB487457A - Improvements relating to electric remote transmission or repeating apparatus : en