• US2081302A - Rotary face bit : en
  • US2081745A - Vehicle window : en
  • AU6687265A - Improvements in or relating to spray dispensing apparatus : en
  • AT149724B - Ventilation device, in particular for stables. : de en
  • CA366270A - Welding electrode : en fr
  • US2081255A - Game apparatus : en
  • AT149716B - Liquid fuel burners. : de en
  • AU101045B2 - Improvements in or relating tothe manufacture of luminescent screens : en
  • AT149770B - Receiving arrangement for determining direction by means of electrical, especially ultra-short waves. : de en
  • US2081884A - Recovery of solvents from oil : en
  • USD104636S - Design fob a flower holder : en
  • DE645541C - Needle bar swing-out device for zigzag stitch sewing machines : de en
  • US2081438A - Pistol : en
  • US2081688A - Collar support : en
  • US2081497A - Extraction process : en
  • US2081635A - Four-way supporting device : en
  • CA366344A - Strain gauge : en fr
  • USRE20383E - Film forming compositions and proc : en
  • CA366284A - Vibration damped structure : en fr
  • GB466238A - Improvements in razors : en
  • GB466461A - Improvements in or relating to tracks for curative purposes, sports purposes and the like : en
  • AT149664B - Process for the production of acidic dyes of the naphthophenosafranin series. : de en
  • US2081216A - Rug display rack : en
  • US2081704A - Upright piano : en
  • US2081826A - Fuse cut-out : en
  • US2081236A - Chlorinated hydrocarbon in noncaking powdered form : en
  • US2081741A - Carburetor : en
  • CA366405A - Typewriter card holder : en fr
  • US2081238A - Clutch control : en
  • IE14775L - Sliver production : en
  • US2081870A - Resilient fastening means : en
  • DE645000C - Die setting and line casting machine : de en
  • DE645331C - High performance photoelectric high vacuum cell : de en
  • US2081274A - Antenna structure : en
  • US2081571A - Coupling : en
  • US2081725A - Storage bin construction : en
  • AT149669B - Pulp digester. : de en
  • US2081180A - Textile size : en
  • US2081728A - Bathtub : en
  • CA366336A - Type line spacing member : en fr
  • DE644999C - Process for the preparation of carboxylated carboline compounds : de en
  • DE645116C - Rotary switch with a key device : de en
  • DE645391C - Massage protection pillow : de en
  • AU191836A - Improvements in luminescent materials : en
  • US2081743A - Centrifugal clutch : en
  • FR47520E - Improvements to heating devices : en fr
  • FR813179A - Combination switch for automobiles : en fr
  • FR813248A - Process for the continuous manufacture of granulated calcium cyanamide : en fr
  • AT149796B - Automatic nozzle valve with handlebar guidance. : de en
  • CA366385A - Holder for dressmaker's chalk : en fr
  • DE645360C - Clock with a rotating advertising panel : de en
  • IE15004L - Bottle closure : en
  • DE644078C - Process for the preparation of a salt of 4-oxy-3-acetylaminophenyl-1-arsic acid with the toxin of iso-octylhydrocupreine (vuzinotoxin) : de en
  • DE645253C - Process for the production of Kuepen dyes of the pyranthrone series : de en
  • IE14705L - Cleaning roll for paper coating machines etc : en
  • US2081174A - Process of deasphalting and dewaxing petroleum oils : en
  • US2081420A - Electrical conductor : en
  • CA366388A - Container closure : en fr
  • DE645458C - Discharge vessel with single or multiple voltage subdivisions : de en
  • CA366333A - Building construction : en fr
  • FR813200A - Albums and leaflets for drawing education and advertising : en fr
  • AU101059B2 - Improvements in or relating to vacuum cleaners : en
  • US2081549A - Thread guide : en
  • US2081475A - Process for purifying naphthenic acids : en
  • GB466401A - Improvements in and relating to methods of and apparatus for plating metals and alloys : en
  • GB466605A - Improvements in transmission mechanism for road vehicles : en
  • DE645350C - Electric high voltage fuse : de en
  • US2081806A - Postage stamping machine : en
  • US2081706A - Scraping device : en
  • USD104679S - Design fob a scooter : en
  • FR47517E - Construction system of vehicles intended to be coupled : en fr
  • GB466310A - Improvements in or relating to machine guns : en
  • AT149663B - Process for the production of low-silica alumina from alkaline earth aluminates. : de en
  • US2081538A - Decorative artificial product : en
  • US2081535A - Explosion pot electric switch : en
  • DE645345C - Device for displaying the speed reduction of electrically operated vehicles : de en
  • DE645359C - Embroidery frame drive for embroidery machines : de en
  • DE645451C - Die steels and manufacturing processes : de en
  • US2081266A - Condensation product of castor oil with half ester of maleic acid : en
  • DK53120C - Apparatus for detecting any skew in bearings, in particular crankshafts, bearings. : da en
  • DE645516C - Remote control device for cash registers : de en
  • FR813039A - High-frequency cable, insulated with air gaps, having spacers wound helically around the conductor (s) : en fr
  • FR813237A - Manufacturing process of press-molded artificial material parts and objects : en fr
  • FR813199A - Improvements to discharge tubes : en fr
  • US2081170A - Fuel control apparatus : en
  • DE645137C - Reduction of the phosgene content of gases produced when extinguishing with carbon tetrachloride and / or other chlorinated hydrocarbons : de en
  • FR813023A - Tricycle with a new foot propulsion mechanism : en fr
  • FR813277A - Charcoal arc lamp for projectors : en fr
  • US2081608A - Eyeglasses : en
  • US2081717A - Tank closure : en
  • USD104609S - Design for a space heater : en
  • US2081397A - Method of operating a continuous filter system : en
  • US2081693A - Counting register : en
  • US2081290A - Child's garment : en
  • US2081862A - Piezoelectric motor and generator device : en
  • AT149703B - Vehicle, in particular rail vehicle. : de en
  • CA366300A - Basic refractory : en fr
  • CA366272A - Coding apparatus : en fr
  • US2081335A - Head guard : en
  • US2081365A - Foot vibrator : en
  • US2081851A - Flocculation : en
  • FR813091A - Typewriter Improvements : en fr
  • FR813298A - Further training in the manufacture of agglomerated fuels : en fr
  • GB466289A - Improvements relating to radial drilling machines : en
  • US2081129A - Dry shaver : en
  • DE645323C - Steel alloy for injection molding and compression molds : de en
  • US2081362A - Dispensing apparatus : en
  • FR813243A - Improvements in elastic heels for shoes : en fr
  • GB466377A - Massaging belt functioning through the effect of the weight or movements of the subject : en
  • GB466409A - Improvements in or relating to lace curtains : en
  • DE645425C - Shaped stone for the production of silos, especially grain silos : de en
  • GB466372A - Toy apparatus : en
  • FR813148A - Hose clamp : en fr
  • DE645347C - Circuit arrangement for the automatic adjustment of the fee display and control device of coin telephones : de en
  • US2081383A - Pipe wrench : en
  • US2081709A - Control mechanism for hoisting machines : en
  • DE645385C - Process for the production of the oxide coating on glow cathodes : de en
  • DE645398C - Illuminated sign in the form of a mirror advertising device : de en
  • AU194936A - An improved roofing nail washer or cap : en
  • FR813187A - Chromiferous Azo Dyes : en fr
  • AU101089B2 - Improvements in or relating to herbicidal compounds or weedkillers : en
  • GB466402A - A process for sizing artificial silk : en
  • US2081512A - Apparatus for preparing food substances : en
  • DE645408C - Device for sharpening and dressing grindstones : de en
  • DE645440C - Device for generating a color change behind a transparency : de en
  • US2081333A - Adjustable chair : en
  • US2081753A - Composition of matter and method for producing : en
  • GB466355A - Improvements relating to separators for electric storage batteries : en
  • GB466458A - Device for securing gas bottles in respiratory appliances : en
  • DE645476C - Incinerator for garbage : de en
  • GB466339A - Improvements in or relating to power operated wrenches : en
  • US2081160A - Method and material for coating metal : en
  • US2081574A - Carton : en
  • DE645428C - Barrel weight scale, the barrel weight of which is shifted automatically by a liquid motor controlled by the beam oscillations : de en
  • AT149759B - Process for the preparation of the yellow oxidizing ferment and its dye. : de en
  • CA366367A - Glass vessel manufacture : en fr
  • AT149757B - Device for driving hollow or tubular bodies into the ground. : de en
  • CA366376A - Air conditioning unit : en fr
  • US2081710A - Telescopic shroud for use with oil burning equipment : en
  • US2081272A - Catalyst and process of making same : en
  • FR813045A - Insecticidal method and apparatus inside grain silos and the like : en fr
  • FR813068A - Magnetic core intended in particular for coils used to charge remote transmission lines : en fr
  • AT149665B - Process for sodium sulfate electrolysis. : de en
  • FR47541E - Improvements to manometers : en fr
  • GB466234A - Improvements in rolling mills : en
  • FR813140A - Process for dyeing leather : en fr
  • FR813249A - Shaking screen : en fr
  • FR813059A - Improved shock absorber for all vehicles : en fr
  • US2081700A - Fluid pressure brake : en
  • DE645349C - Arrangement for controlling a tripping circuit in the event of a deviation from normal operating conditions : de en
  • DE645436C - Safety valve for high-tension gases such as natural gas and coke oven gas : de en
  • US2081437A - Aircraft : en
  • IE14339L - Electric discharge lamps : en
  • US2081757A - Authorized access means for safes or the like : en
  • US2081807A - Knife-blade for meat cutters or the like : en
  • FR47539E - Panel or tile for parquet flooring and its manufacturing process : en fr
  • FR47527E - Steam boiler : en fr
  • FR813154A - Thermostat : en fr
  • GB466191A - Improvements in and relating to pneumatic and hydraulic conveying conduits : en
  • FR813079A - Receiver relay with time delay selector : en fr
  • US2081529A - Airplane sleeping berth arrangement : en
  • US2081883A - Refrigerating apparatus : en
  • DE645404C - Overcurrent time relay fed via a current transformer : de en
  • DE645195C - Pot vacuum cleaner for collecting grit, such as flour or the like. : de en
  • DE645206C - Process for the electrolytic oxidation of aluminum and aluminum alloys using alternating current : de en
  • DE645209C - Release device for the lens shutter of a photographic camera : de en
  • DE645433C - Injection carburetor : de en
  • US2081147A - Stropping device : en
  • FR813088A - Improvements to dry filters for dry dust removal : en fr
  • FR813283A - Safety device for pedestrians and cyclists, intended to allow their signaling to motorists : en fr
  • GB466420A - Improvements relating to slicing machines : en
  • FR47532E - Convertible armchair : en fr
  • AT149794B - Resiliently movable container. : de en
  • FR813077A - Improvements to electrical transformers : en fr
  • FR813291A - Anti-slip trim device replacing vehicle wheel chains : en fr
  • US2081298A - Sewer flooding control apparatus : en
  • DE645152C - Autonomous stereotype printing plate casting machine with a cylindrical core : de en
  • USD104662S - Design for a base for a desk stand : en
  • US2081341A - Swing : en
  • USD104700S - Design for an article display case : en
  • US2081683A - Elastic attaching device : en
  • DE1408299U - : de en
  • DE645420C - Frame closure protection arrangement : de en
  • DK53132C - Door closer. : da en
  • GB466141A - Improvements of medical heating appliances : en
  • GB466186A - Improved means for indicating earth leakages in the supports or carriers of electrical transmission lines : en
  • DK53128C - Procedure for the production of cinematographic images and accompanying sound recordings. : da en
  • GB466343A - Improvements in and relating to soap tablets : en
  • FR813006A - Pumping device, particularly applicable to volatile liquids : en fr
  • FR813080A - Permanent magnet : en fr
  • AT149667B - Process for the production of cast iron and malleable cast iron using briquetted ferro alloys. : de en
  • AT149734B - Key string instrument. : de en
  • CA366373A - Spinning frame tape drive : en fr
  • DE645335C - Floor guide strips : de en
  • US2081357A - Method of improving gasoline : en
  • FR47502E - Improvements to emitting electrodes : en fr
  • DE645470C - Surface condenser with two spiral and parallel flow channels for cooling water and steam : de en
  • AU101073B2 - Improvements insound suppressing ventilating windows for vehicles : en
  • FR813282A - Candelabra for public lighting : en fr
  • GB466209A - Improvements in or relating to typewriter platens or cylinders : en
  • GB466469A - Improvements in and relating to the manufacture of drums and like containers : en
  • US2081613A - Preservation of rubber : en
  • US2081433A - Gilling machine and drawing machine for the treatment of fibrous material : en
  • DE645517C - Power supply for portable, electrically powered agricultural machinery : de en
  • FR813231A - Combined machine for pulling beets, potatoes and similar plants : en fr
  • US2081355A - Process of preparing glyoxylic acid : en
  • US2081495A - Process for the solvent extraction of lubricating oils : en
  • US2081768A - Vaporizer : en
  • US2081349A - Roasting apparatus : en
  • US2081423A - Listing adding machine : en
  • US2081697A - Method and apparatus for supplying additional heat to waste heat boiler plants : en
  • US2081832A - Insulator : en
  • DE645227C - Process for the production of paints : de en
  • US2081399A - Locomotive tender : en
  • US2081477A - Pump : en
  • USD104615S - Design for an accordion or the like : en
  • USD104711S - Booster case or similar article : en
  • DE645534C - Device for operating audio frequency remote controls : de en
  • US2081770A - Producing acetaldehyde from : en
  • US2081658A - Valve cam operation : en
  • US2081843A - Grinding wheel and method of making the same : en
  • DE645401C - Sand drying oven : de en
  • DK53135C - Method of Extraction of Starch. : da en
  • US2081449A - Solution for treating the surface of steel or iron for the application of paint : en
  • US2081638A - Round corner : en
  • US2081737A - Brake booster for automotive vehicles : en
  • USD104614S - Xbansfobmeb case and bbacket : en
  • FR813127A - Mufflers for automobiles, etc. : en fr
  • AT149670B - Process for the preparation of 2-imino-1-cyanocycloparaffins and 2-oxo-1-cyancycloparaffins. : de en
  • CA366264A - Knitted fabric : en fr
  • US2081172A - Manufacture of artificial materials : en
  • US2081714A - Electron discharge device : en
  • US2081856A - Rotatable bin : en
  • USD104653S - Design for a lunch box : en
  • AU101067B2 - Improvements in receptacles for containing glass during manufacture : en
  • DE645507C - Wire stitching machine with automatic stapling : de en
  • DE645531C - Gripper arrangement on the printing cylinder of printing machines : de en
  • FR813153A - Process for ensuring the purity of steam in the production of high pressure steam : en fr
  • GB466231A - Improvements in or relating to machines for sewing articles to work : en
  • CA366401A - Receptacle closure manufacture : en fr
  • DE645322C - Process for hardening workpieces made of steel with 8 to 20% chromium and up to 0.25% carbon : de en
  • DE645437C - Mandrel : de en
  • US2081143A - Clinical thermometer : en
  • DE645332C - Tube homogenizing device for plastic masses : de en
  • US2081418A - Spool : en
  • USD104619S - Design for an atomizer : en
  • DK53124C - Device by piston rings. : da en
  • FR813051A - Skill game : en fr
  • AT149708B - Schedule for racing games. : de en
  • DK53127C - Advertising apparatus. : da en
  • CA366310A - Plastic seasoning method : en fr
  • GB466273A - Improvements in or relating to the manufacture of bearings : en
  • GB466353A - Improvements in epicyclic gearing : en
  • DE1408228U - : de en
  • DE645286C - Process for making chocolate : de en
  • GB466462A - Improvements in devices for operating the control surfaces of flying machines : en
  • AT149655B - Manufacture of permanent magnets. : de en
  • US2081819A - Automatic lighter construction for gas ranges : en
  • FR813081A - Soldering device : en fr
  • CA366279A - Electric circuit : en fr
  • FR813109A - Abrasive wheel : en fr
  • US2081673A - Applicator for plastic material and the like : en
  • USD104635S - Design for an ashtray : en
  • AT149772B - Bandage bandage folded like a harmonica. : de en
  • CA366289A - Air conditioning system : en fr
  • US2081518A - Lowering pour point of oil : en
  • US2081213A - Engine stabilizer : en
  • US2081547A - Therapeutic agent : en
  • DE645483C - Grain divider for mowing machines : de en
  • US2081267A - Bleached cellulosic product : en
  • US2081837A - Generator regulator : en
  • US2081869A - Setting and work feeding tool for lacing hook machines : en
  • FR813166A - Improvements made to rail fastening devices to concrete supports : en fr
  • DE645272C - Maize knife sharpening machine with stationary grinding wheel : de en
  • AU101076B2 - Improvements relating to tanks forthe transport of liquids overall types of ground : en
  • GB466382A - Improvements in or relating to the cleaning of air and other gases : en
  • GB466416A - Improvements in process and apparatus for carrying out exothermic reactions : en
  • US2081404A - Process and apparatus for applying alternating positive and negative loads : en
  • US2081225A - Deep well pumping means and inlet member therefor : en
  • USRE20376E - Reenforced concrete road : en
  • US2081523A - Automatic feed for printing machines : en
  • DE644495C - Multi-chamber rotary drum furnace for incinerating and melting garbage : de en
  • GB466145A - Improvements in window guides for use in vehicle bodies : en
  • DE645346C - Process for inductive signal transmission between two vehicles moving against each other at any speed : de en
  • US2081259A - Button : en
  • US2081553A - Air conditioning apparatus : en
  • US2081645A - Method of producing propeller blades : en
  • AT149725B - Crossing of overhead conveyors. : de en
  • US2081265A - News and advertisement exhibiting : en
  • DE645461C - Switching mechanism for cash registers, accounting machines or calculating machines : de en
  • US2081519A - Method of separating wax from oil : en
  • USD104695S - Design fob a vanity case ob similab : en
  • DE645202C - Photographic lens : de en
  • DE645473C - Resistance arrangement for centrifugal starter electric motors : de en
  • FR813197A - Device for evacuating unusable materials entrained by wastewater, in particular in slaughterhouses : en fr
  • GB466324A - Rotary apparatus for compressing gases, and for converting gaseous pressure energy into movement energy : en
  • DE645203C - Device for automatic graphic evaluation of blackening series : de en
  • DE645319C - Movable weir with a damper that is driven from the inside of the defensive body : de en
  • FR813044A - Protective device for means of locomotion : en fr
  • FR813099A - Thermal regulator for electric iron : en fr
  • US2081779A - Face mask : en
  • US2081625A - Public address system and the like : en
  • US2081641A - Lathe : en
  • DE645435C - Gate valve with two gate valves : de en
  • DE645479C - Box for attaching an artificial tooth to the back plate : de en
  • US2081592A - Steering wheel construction : en
  • FR813168A - School savings unit : en fr
  • FR47533E - Electronic lens television cathode oscillographs : en fr
  • FR813014A - Full metal sail wheel with removable rim : en fr
  • FR813216A - Adjustment frame for analyzers for photographic applications : en fr
  • GB466276A - Daylight developing tank for photographic roll films : en
  • FR813184A - Improvements to the grinding mechanism of dental prosthesis devices : en fr
  • FR813100A - Pictures by special application of cut-out wallpapers : en fr
  • GB466468A - A new or improved waterproof cover for shopping baskets and the like : en
  • US2081135A - Radio receiver : en
  • US2081347A - Conversion of hydrocarbon oils : en
  • US2081699A - Fluid pressure brake : en
  • FR47509E - Method and device for signaling exhaustion of gas filters and scrubbers : en fr
  • GB466227A - Improvements in or relating to sliding roofs for automobile vehicles : en
  • DE645247C - Switch with arc extinguishing by compressed gas : de en
  • GB466362A - Improvements in or relating to corsets and like wearing apparel : en
  • DE645240C - Process for rendering combustible materials non-flammable : de en
  • DE645443C - Device for recording and reproducing colored photos, in particular for cinematography : de en
  • DE645481C - Heating attachment for stoves or the like. : de en
  • DE645515C - Volume control valve for acoustic speaking machines : de en
  • GB466309A - Apparatus for treating coffee berries and similar fruits : en
  • US2081330A - Oil supply regulator : en
  • FR47508E - Device for automatic adjustment of the value of the propagation exponent : en fr
  • FR813069A - Improvements to braking mechanisms : en fr
  • GB466473A - Improvements in vacuum cleaners : en
  • US2081364A - Measuring system : en
  • GB466448A - Improvements in vehicle wheel suspensions : en
  • GB466495A - Improvements in the manufacture of ornamental figures : en
  • CA366331A - Bubble plate or partition : en fr
  • DE645270C - Step, especially for motor vehicles : de en
  • US2081455A - Molding device : en
  • US2081573A - Thread covering machine : en
  • CA366410A - Envelope : en fr
  • GB466216A - Improvements in the manufacture of barium sulphate : en
  • FR47515E - Cellular device for the silent exhaust of gases leaving explosions or combustion engines : en fr
  • US2081161A - Sucrose octanitrate : en
  • US2081460A - Tobacco cutting device : en
  • USD104713S - Design fob lace : en
  • US2081615A - Apparatus for obtaining exposed liquid surfaces : en
  • US2081131A - Means for use with drawing-off liquids from containers : en
  • US2081564A - Dispenser for folded sheets : en
  • US2081204A - Pipe flushing system : en
  • US2081381A - Aerial navigation apparatus : en
  • US2081551A - Electroprocessing machine : en
  • FR813097A - Process for catching and storing infiltration water in permeable land bordering watercourses : en fr
  • FR813084A - Trolley for handling drums : en fr
  • FR813118A - Cart : en fr
  • FR813212A - Device for automatic control of electrical track contacts by the magnetic action of the axles of a railroad traffic : en fr
  • US2081476A - Ceramic furnace : en
  • US2081659A - Automatic safety device for hydraulic brakes : en
  • GB466148A - Improved tensioning means applicable more especially to tennis nets : en
  • GB466358A - Process for the manufacture of condensation products from substitution products of 2.3-hydroxy-naphthoic acid : en
  • FR813033A - Method and apparatus for the manufacture of hydrated lime : en fr
  • GB466312A - Improvements in or relating to accumulators or electric storage batteries : en
  • GB466365A - Improvements in the joints of tubular structures : en
  • GB466436A - Improvements in or relating to hydraulic brakes, more particularly for rail and road vehicles : en
  • DE645448C - Device for soil investigation : de en
  • US2081325A - Fire extinguisher : en
  • FR813253A - Improvements relating to carburettors in petrol engines or the like : en fr
  • DE645543C - Device for brushing thin sheets by means of two continuously rotating brush roller pairs arranged one behind the other : de en
  • FR813048A - Ultra-fine drinking water filtering installation : en fr
  • DK53123C - Cheese Making Machine. : da en
  • FR813022A - Process for treating copper ores, in particular hydro-carbonate ores with a view to obtaining copper slurries, intended in particular for the treatment of fungal diseases of plants : en fr
  • FR813251A - Process for the separation of products resulting from the extraction of coal under pressure : en fr
  • FR47534E - Application to the visibility of signals of a metallic process for the protective coating of signal plates : en fr
  • FR812965A - : fr
  • FR813104A - Airplane shaped toy : en fr
  • USD104687S - Design for a clip fob writing : en
  • US2081555A - Railway track shunting apparatus : en
  • US2081498A - Process for extracting mineral oils with basic selective solvents : en
  • FR813288A - New clasp system for handbags : en fr
  • GB466393A - Improvements in sheet metal vehicle wheels and in their manufacture : en
  • DE645208C - Optical display device : de en
  • FR813013A - Improvements to telephone devices : en fr
  • FR812074A - Improvements to electric wave filters : en fr
  • US2081132A - Means for use in drawing off liquids from containers : en
  • US2081224A - Pressure pump : en
  • DE645394C - Method of representation on overlapping transparent sheets : de en
  • DE645354C - safety goggles : de en
  • FR813133A - Fuel tanks for ships : en fr
  • FR813217A - Cylinder head : en fr
  • FR813198A - Improvements in the fabrication of cathodes for discharge devices : en fr
  • FR813261A - Enhancements to Extension Screens for Lower Feed Multiple Retort Mechanically Loaded Screens : en fr
  • GB466250A - Improved coupling systems for high frequency electric circuits : en
  • DE645549C - Process for the preparation of Oxycarbazolcarbonsaeurylamiden : de en
  • AT149727B - Wood smoldering stove. : de en
  • AT149790B - Umbrella. : de en
  • AU190536A - Apparatus for elevating liquids : en
  • FR813219A - Device for amplifying the currents supplied by a television tube, image sensor : en fr
  • DE645506C - Scraper for disc roller grates : de en
  • CA366327A - Paper sizing method : en fr
  • GB466444A - Improved manually operated prising tool for removing metal closure caps from bottles : en
  • USD104626S - Design for an instrument case : en
  • US2081366A - Shaving implement : en
  • US2081841A - Visible card file : en
  • US2081875A - Notebook : en
  • US2081409A - Beverage bottle shield and gripping device : en
  • US2081632A - Oil purifier : en
  • GB466213A - Improvements in or relating to electric switches of the tumbler type : en
  • FR813180A - Dyes and process for preparing them : en fr
  • GB466379A - Improvements in smoke deflectors for steam locomotives : en
  • GB466403A - Improvements in or relating to a labyrinth packing for sliding bearings of railway vehicles : en
  • GB466567A - Improvements in adjustable gauging stops for shearing machines : en
  • CA366370A - Glass article forming machine : en fr
  • CA366312A - Rubber halogen derivative : en fr
  • GB466457A - Method of producing flexible footwear : en
  • US2081828A - Impregnating wood : en
  • DE645246C - Radio direction finder for semi or fully automatic recording of bearing minima or maxima : de en
  • FR813002A - Improvements to engine combustion chambers : en fr
  • GB466259A - Improvements in and relating to turbo-blowers : en
  • FR813258A - Detachable metal base : en fr
  • GB466316A - Improvements in the manufacture and production of amino compounds : en
  • DE645337C - Method and device for weaving on looms with an additional stop comb that performs a square movement : de en
  • FR813281A - low beam side lighting for automobiles : en fr
  • DE645449C - Process for the production of soluble resins : de en
  • FR813050A - Extending pruner : en fr
  • GB466284A - Improvements in detinning substances, in particular waste, containing tin : en
  • GB466349A - Improvements in and relating to the speed control of dynamo electric machines : en
  • GB466432A - Container for photographic paper rolls and the like : en
  • US2081284A - Tertiary alkyl phenols : en
  • FR813173A - Slit shutter camera with photoelectric light meter mounted in camera : en fr
  • DE644905C - Method and device for shrinking laundry materials : de en
  • AU101071B2 - Method of and apparatus for removing wax fromthe outer face ofthe lip ofa wax coated can : en
  • DE645426C - Frame for grave mound for the orderly hanging of wreaths : de en
  • FR813062A - Transportable continuous shredder machine : en fr
  • FR813300A - Improvements to free-outlet or overflow water heaters : en fr
  • US2081141A - Counterbalancing device : en
  • AT149764B - Process for impregnating stockings, welding reeds and the like like : de en
  • DE645358C - Pricking device for sewing machines : de en
  • DE645384C - Pressure clamp for high frequency coils : de en
  • GB466342A - Improvements in and relating to fastener devices for trim panels : en
  • GB466596A - Continuous countercurrent hydrolysis of fat : en
  • US2081264A - News and advertisement exhibiting : en
  • US2081756A - Acid dyestuffs of the anthraquinone series : en
  • US2081623A - Fuse switch : en
  • US2081657A - Gas burner and combustion control apparatus : en
  • CA366346A - Ore reduction : en fr
  • US2081677A - Stop for telescoping members : en
  • SE89342C1 - : en
  • US2081675A - Fuse plug : en
  • US2081280A - Feeding device for shingle cutters : en
  • CA366345A - Wire fabric uniting apparatus : en fr
  • FR813076A - Self-supporting bodywork for automobiles : en fr
  • FR813208A - Improvements to sandal making machines : en fr
  • GB466418A - Improvements in or relating to electric signal transmission systems : en
  • US2081146A - Trawl net : en
  • US2081582A - Tire cover and hub cap support : en
  • US2081665A - Weight and line indicator : en
  • US2081696A - Auto heating system : en
  • CA366392A - White clouded enamel : en fr
  • AU118937A - Amounting arrangement for automatic switches in telephone systems : en
  • GB466478A - Improvements in or relating to valves used in bottling liquids : en
  • US2081296A - Method and apparatus for continuous filtration : en
  • US2081588A - Brake : en
  • AT149683B - Procedure for the interrupted operation of horizontal chamber furnaces. : de en
  • AU442036A - Improvements in or relating to red fluorescent layers : en
  • AT149749B - Insert for reverse of clothes and method of inserting the same in reverse. : de en
  • US2081313A - Concrete pipe joint : en
  • US2081778A - Bicycle lock : en
  • USD104675S - Design for a slip : en
  • AT149715B - Continuous burning with primary air exclusion. : de en
  • CA366318A - Rubber-like composition : en fr
  • US2081534A - Art of cracking mineral oils : en
  • US2081502A - Ignition apparatus : en
  • AT149789B - Device for drying fabric webs with heated air. : de en
  • DE645454C - Three-legged transformer for three-phase current with yoke stacks, which are slotted perpendicular to the layer plane and parallel to its longitudinal direction : de en
  • CA366292A - Telephone coin system : en fr
  • CA366408A - Electrical transmission bank : en fr
  • FR47530E - Knitting needle : en fr
  • GB466435A - Improved method of and apparatus for the preparation of jute, hemp, flax, and analagous tow rovings : en
  • GB466333A - Case for first aid requisites : en
  • US2081701A - Ticket printer : en
  • US2081179A - Edge beading for furniture : en
  • US2081378A - Smoking pipe : en
  • US2081219A - Compound-intrusive porosity machine and method : en
  • US2081589A - Brake : en
  • FR813183A - Improvements in aluminum alloys and their manufacture : en fr
  • AT149753B - Roll film. : de en
  • US2081389A - Ligature package : en
  • US2081578A - Brake material and process connected therewith : en
  • US2081579A - Recording instrument : en
  • US2081560A - Burner plate for stove ovens : en
  • US2081456A - Paper making apparatus : en
  • US2081285A - Automatic tag threading machine : en
  • FR47536E - Belt : en fr
  • CA366261A - Phase conversion and voltage regulating system : en fr
  • CA366280A - Metal melting and refining system : en fr
  • US2081479A - Refrigerator defrosting method and apparatus : en
  • US2081805A - Direction signal : en
  • AT149717B - Conveying device for loads, in particular for prams, over inclined surfaces, in particular stairs. : de en
  • US2081258A - Method of making packing rings : en
  • USD104657S - Design for a jug : en
  • AT149692B - Tree scraper. : de en
  • CA366394A - Hinged connection : en fr
  • US2081422A - Transmission control in signaling systems : en
  • US2081485A - Button : en
  • FR47547E - Device for exerting an influence between a train and the track by means of resonance circuits tuned to one another : en fr
  • FR813147A - Machine for the production of vibrated concrete objects : en fr
  • GB466439A - Improvements in or relating to the hydration of higher o'efines : en
  • BE423779A - : en
  • DE645334C - Automatic loading device for recoil guns : de en
  • AT149718B - Roasting, roasting, grill and cooking apparatus. : de en
  • DE645511C - Process for degreasing sheep's bones : de en
  • DE645276C - Innovation in snail wings : de en
  • DE645302C - Vulcanizing mold for vulcanizing new treads on rubber tires : de en
  • FR47519E - Process and apparatus for the decomposition of ammonium chloride into hydrochloric acid and ammonia : en fr
  • FR813042A - Compound mass core, for high frequency coils : en fr
  • IE14333L - Combined television and sound receivers : en
  • AT149706B - Ski, toboggan and bobsleigh lift. : de en
  • GB466281A - Improvements in and relating to remote control systems and devices : en
  • GB466354A - Improvements in or relating to flexible joints or supports : en
  • AU94636A - Improvements in or relating to cathode ray tube apparatus : en
  • US2081604A - Centrifugal circuit breaker : en
  • AT149696B - Drill for sampling from wood. : de en
  • AT149798B - Ice cream storage containers. : de en
  • AU205736A - Improvements in or relating tothe manufacture of steels with determined properties : en
  • AU1736A - Improvements in ro ralting to method of and apparatus for separtin mateiral : en
  • US2081406A - Method for concentrating and separating the components of gaseous mixtures : en
  • FR813238A - Prepayment telephone device for automatic telephone networks : en fr
  • FR813220A - Corn starch manufacturing process : en fr
  • AT149671B - Process for the preparation of catalysts for the production of alcohols from olefins and water vapor. : de en
  • CA366406A - Utensil cover : en fr
  • DE645382C - Calibration arrangement for devices for displaying and regulating a frequency : de en
  • US2081431A - Valve seat : en
  • US2081478A - Method of and automatic apparatus for coating bottle necks : en
  • US2081569A - Clutch control mechanism : en
  • USD104651S - Design for a lunch box : en
  • DE645438C - Disc mill with grinding rings : de en
  • GB466224A - Improvements in or relating to bottle carriers : en
  • CA366398A - Aircraft : en fr
  • DE645371C - Polygonal drive turas for link chains of bucket chain excavators : de en
  • FR813267A - : fr
  • FR813178A - New method of establishing a negative resistance, and arrangements of electrodes of an electron tube, adapted to carrying out the method : en fr
  • DE637719C - Gear change transmission for bicycles : de en
  • US2081199A - Attachment for producing a natural ridge in hair : en
  • US2081200A - Earth-boring apparatus : en
  • GB466140A - Improvements in or relating to lids or ends of containers for distributing powder and like material : en
  • FR813209A - Pumping installation for vacuum heating systems : en fr
  • FR813043A - Measuring-measuring bag for household foodstuffs : en fr
  • GB466291A - Improvements in gas heated washing machines or boilers : en
  • USD104629S - kennelly : en
  • AU101038B2 - Improvements in ventilators : en
  • US2081165A - Kitchen utensil : en
  • US2081210A - Rotary propeller : en
  • US2081598A - Recording testing machine : en
  • USD104633S - Design for a handle for a casket or : en
  • USD104644S - Design for a cream whipper : en
  • US2081373A - Progressive and automatic changespeed mechanism : en
  • US2081173A - Manufacture or treatment of artificial materials : en
  • US2081230A - Mop : en
  • US2081506A - Process for producing aliphatic carbonyl compounds : en
  • US2081702A - Utility knife : en
  • US2081626A - Apparatus and method for sealing waxed wrappers : en
  • DE645343C - Wander protection device for railroad tracks : de en
  • GB466447A - Improvements in or relating to elastic fabric and method of making same : en
  • GB466332A - Improvements in or relating to the manufacture of bearings : en
  • AT149752B - Fusible link detector. : de en
  • US2081392A - Denture : en
  • DE645306C - Process to increase the heat resistance of objects made of iron-aluminum or iron-aluminum-chromium alloys : de en
  • DE645333C - Boat trolleys for small and folding boats : de en
  • DE645415C - Method for treating embossed, punched-out blanks, for example beer glass coasters and the like. Like., before printing : de en
  • DE645493C - Rear window on folding roofs of motor vehicles : de en
  • US2081151A - Flying machine : en
  • US2081813A - Electric cut-out : en
  • US2081208A - Means for continuously closing and sealing vacuum jars : en
  • USD104708S - Design for a battery service kit or : en
  • GB466144A - Improvements in or relating to boxes and like containers : en
  • US2081572A - Attenuator : en
  • GB466470A - Process and apparatus for the production of thin-walled hollow annular sheet metal vulcanising moulds for tyres and the like : en
  • DE645156C - Overload protection for electric motors : de en
  • US2081458A - Cam actuated poppet valve gear : en
  • DE645225C - Arrangement for controlling the reactive current distribution on three-phase machines working in parallel : de en
  • DE645311C - Process for applying contours in the photographic negative produced from the original and used as a master copy for the gravure cylinder : de en
  • US2081597A - Sediment evacuating implement : en
  • USD104686S - Design for a clip fob writing : en
  • FR813037A - Improvements to diaphragm pressure regulators for carhurators : en fr
  • DE645459C - Flat weft knitting machine with pivoting needle bar middle part : de en
  • GB466139A - Improvements in method and apparatus for producing welded beams, columns or the like : en
  • FR813236A - High frequency amplifier assembly for very wide frequency band : en fr
  • GB466479A - Improvements in track sanding devices for use on motor vehicles : en
  • US2081269A - Snap action thermostatic switch : en
  • DE645405C - Voltage drop release or relay with inhibitor : de en
  • FR813007A - One-piece expandable coin purse : en fr
  • FR813191A - Steam burner working with liquid fuels : en fr
  • FR813012A - Methods of identifying textile articles and the like, and inks for carrying out these methods : en fr
  • GB466397A - Improved method of and means for purifying air : en
  • US2081227A - Variable resistance : en
  • US2081815A - Door arrangement for vehicles : en
  • FR813194A - Dispenser for glue or other products : en fr
  • FR813221A - Method and apparatus for treating starch liquor : en fr
  • FR47501E - Tie shaped using two sliding parts with an adjustable and removable neck strap : en fr
  • GB466386A - Improvements in razors and blades therefor : en
  • FR813090A - Automatic machine tool for machining shaped parts : en fr
  • DE645468C - Process for printing mordant dyes on fabrics : de en
  • GB466433A - Improvements in or relating to engine or like governors : en
  • USD104623S - Design for a portable power-driven : en
  • GB466360A - Improvements in or connected with lighting systems for motor road vehicles : en
  • FR813015A - Improvements in apparatus and methods for treating yarns, etc. : en fr
  • GB466449A - Improvements in or relating to vehicle link spring suspension means for curve compensation : en
  • US2081766A - Thioethers and their production : en
  • DE645486C - Cart sprayer for pest control : de en
  • FR813072A - Self-supporting closed body for automobiles : en fr
  • FR813265A - DC and AC dynamo : en fr
  • US2081447A - Mounting for door handles : en
  • US2081698A - Brake pipe holding means : en
  • USD104640S - Design for a finger ring : en
  • US2081183A - Plate support for plate and frame presses : en
  • DE645410C - Bunker arrangement with operating bunker and storage bunker : de en
  • GB466400A - Control device for reversing gearing : en
  • DE645363C - Hangers for air raid shelter doors : de en
  • GB466214A - Improvements in road vehicles : en
  • DE645303C - Method of introducing hydrophilic thickeners into rubber milk : de en
  • DE645241C - Process for the preparation of 4-oxynaphthostyrils : de en
  • DE645310C - Sewing machine with two jointly adjustable eccentrics sitting on a lower and an upper shaft : de en
  • FR47546E - Apparatus for spinning artificial schappe or other textile fibers : en fr
  • US2081177A - Cup dispenser : en
  • GB466422A - Improvements in and relating to the mounting or filing of cards, slips or the like : en
  • DE645556C - Device for aligning the die bars of line casting machines, in which linear attachments of the die bars that extend across the die bars are clamped between them : de en
  • USD104638S - Design for artificial leather : en
  • USD104694S - Design fob an electric connecter : en
  • CA366273A - Coloured television apparatus : en fr
  • FR813046A - Trouser rack : en fr
  • DE645238C - Self-ventilated electric roller, especially for rolling mill roller alleys : de en
  • US2081371A - Wax thread sewing machine : en
  • US2081619A - Sound producer : en
  • AT149712B - Steering device for small boats. : de en
  • US2081239A - Fluid actuated intermitter : en
  • US2081749A - Piston and rod connection : en
  • US2081809A - Bottle capping machine : en
  • AU101041B2 - Improvements relating to: intermittent dry-absorption refrigerating systems and apparatus : en
  • US2081345A - Automatic stereotype chase lockup : en
  • USD104681S - Design for a net fabric or similar : en
  • US2081483A - Gem : en
  • CA366338A - Oil or gas well treatment : en fr
  • AT149736B - Traffic signal stick. : de en
  • DE645390C - Device for removing flesh from fibrous leaves : de en
  • US2081148A - Disk construction for radial flow machines : en
  • US2081163A - Lubricating apparatus : en
  • AT149730B - Trigger device for automatic firearms. : de en
  • US2081672A - Brake rod coupler : en
  • FR813087A - Spinning reel : en fr
  • CA366283A - Sized paper production : en fr
  • DE645412C - Lever mechanism for narrow back folders, in which a hand lever acts via an intermediate piece on a crook on the connecting web of the Umwendebuegel : de en
  • US2081760A - Engine starting mechanism : en
  • GB466306A - Improvements in and relating to floor-joist supports : en
  • DE645092C - Method and device for shaping the end of the cover sheet for cigars or cigarillos : de en
  • DE645366C - Process for the production of particularly reactive thoroxide : de en
  • DE645231C - Electrode for thermionic discharges : de en
  • US2081321A - Mileage indicator for vehicles : en
  • US2081803A - Oil insulated cable : en
  • USD104676S - Design fob a pencil ob similab : en
  • FR813195A - Improvements to bicycle frames : en fr
  • FR813241A - Derailleur shifting for cycles : en fr
  • GB466136A - Improvements relating to actions for typewriting machines : en
  • FR813136A - Improvement in the establishment of geographical maps and resulting industrial product : en fr
  • GB466565A - Improvements in or relating to the sealing of containers : en
  • DE645399C - Motor tricycle : de en
  • DK53131C - Window lock. : da en
  • DE645307C - Device for automatic swivel arms for turning ball tracks : de en
  • DE645379C - Scale arrangement for radio receivers : de en
  • DE645492C - Hand press for embossing edge strips in photos : de en
  • FR813233A - Directory for all uses and especially for telephone numbers : en fr
  • US2081488A - Safety razor : en
  • US2081600A - Double flap bag and process of making same : en
  • US2081671A - Fish lure : en
  • AT149656B - Material for machine parts with sliding movement and process for manufacturing machine parts from them. : de en
  • US2081769A - Method and apparatus for handling and emptying glass melting pots : en
  • USD104625S - Design for an ash tray : en
  • CA366313A - Adhesive container cap : en fr
  • AT149698B - Ashtray. : de en
  • AU101046B2 - Machines for equipping box parts with fastening means : en
  • AU188036A - Process and machine for surfacing sheets of zinc and copper : en
  • US2081253A - Distributing device : en
  • US2081393A - Loom shuttle : en
  • US2081467A - Hose supporter : en
  • US2081670A - Process and apparatus for the vulcanization of rubber goods and the treatment of other goods requiring heat and pressure : en
  • USD104697S - M mitler : en
  • AT149679B - Method and deposition form for making hollow rubber goods. : de en
  • US2081419A - Carton : en
  • US2081457A - Attachment for air brake pressure retaining valves : en
  • DE645524C - Transmission for the swinging screw gear of folding davits : de en
  • GB466406A - Improvements in and relating to a motor car alarm device for the preventing of theft of the motor car : en
  • AU196336A - An improved producer of gaseous fuel : en
  • AU258236A - Improvements in or relating tothe manufacture of luminescent screens : en
  • AU101036B2 - Phono rhythm process and apparatus for effecting same : en
  • US2081133A - Measuring apparatus : en
  • AU101040B2 - Improvements in and connected' withthe taillights ofr motor vehicles : en
  • CA366397A - Concrete article moulding core : en fr
  • US2081663A - Retardation controller : en
  • US2081544A - Device for measuring and dispensing flowing materials : en
  • AT149685B - Vacuum liquid lifter. : de en
  • AU101060B2 - Apparatus for indicating or controlling the lavel of a liquid : en
  • US2081621A - Rail anchor : en
  • USD104618S - tourigny : en
  • AT149744B - Device to enable the use of commercially available cinema and narrow films for cameras of the usual image formats. : de en
  • AT149697B - Electric lighter with heating wire ignition. : de en
  • CA366303A - Mine car and underframe : en fr
  • CA366326A - Tennis racket : en fr
  • AU218636A - Improved machine for applying strapping to cases, boxes and packages : en
  • AT149733B - Stocking. : de en
  • DE645552C - Weight compensation for the magazines of die setting and line casting machines by means of helical springs : de en
  • AT149677B - Process for the production of porous artificial stone masses. : de en
  • AT149728B - Silo emptying device. : de en
  • AT149657B - Process for the production of hydrogen by reacting carbon oxide or gas mixtures containing carbon oxide with water vapor. : de en
  • AT149689B - Gear for fin-like and in pairs oppositely working drive arms of vehicles, in particular aircraft or watercraft. : de en
  • AU101077B2 - Distant signalling means relative to burglary and fire : en
  • AT149774B - Component for the manufacture of capacitors. : de en
  • CA366387A - Carbonaceous material distillation : en fr
  • DK53134C - Procedure for the production of mineral water and similar beverages. : da en
  • CA366301A - Jointed figure : en fr
  • AT149722B - Housing for submachine guns. : de en
  • US2081380A - Brick veneering structure : en
  • US2081487A - Boring bar attachment : en
  • FR813058A - Vehicle, in particular automobile, with two or more closely spaced rear axles : en fr
  • CA366341A - Cement : en fr
  • GB466241A - Improvements in or relating to navigation aiding radio receiving apparatus : en
  • CA366378A - Film and foil manufacture : en fr
  • CA366380A - Aircraft : en fr
  • DE645566C - Centrifugal governor for direct current machines : de en
  • FR813182A - Goniometer with attached reflector to modify the direction of sight : en fr
  • GB466467A - Improvements in skein or like holders or swifts : en
  • CA366371A - Container closure fitting machine : en fr
  • CA366374A - Spirometer : en fr
  • CA366296A - Lubricating oil : en fr
  • CA366393A - Dump body tractor : en fr
  • AU101043B2 - Improvements in or relating to telephone systems : en
  • DE645442C - Roll film camera with an insertable picture window mask to reduce the picture format : de en
  • CA366266A - Steam generation : en fr
  • US2081261A - Amusement device : en
  • US2081808A - Diamond wheel dresser : en
  • US2081576A - Production of carbon bisulphide : en
  • DE645249C - Process for the production of Kuepen dyes of the dibenzanthrone series : de en
  • GB466149A - Improvements in telephone systems : en
  • USD104670S - Design for a slipper : en
  • GB466392A - Improvements in and relating to electric relay apparatus : en
  • FR813129A - Route indicator system : en fr
  • FR813293A - Automatic progressive clutch device : en fr
  • CA366322A - Electricity prepayment meter : en fr
  • CA366368A - Double-wall glass container producing machine : en fr
  • CA366372A - Road grader : en fr
  • FR813215A - Device for the application of sprinkler pumps with scissor movement to back-mounted tanks : en fr
  • GB466329A - Improvements in or relating to cartons for razor blades : en
  • US2081607A - Device for filling containers with semifluid material : en
  • US2081217A - Center punch : en
  • US2081416A - Device for preventing ballooning in spinning : en
  • US2081605A - Brake drum : en
  • AT149775B - Coffins or containers for the preservation of organic substances, in particular corpses. : de en
  • CA366293A - Music stand : en fr
  • CA366334A - Hoist brake : en fr
  • FR813246A - Adjusting device for spinning, twisting and similar machines : en fr
  • IE14504L - Sandblasting : en
  • FR813275A - Heating, welding and oxy-cutting method and apparatus : en fr
  • GB466253A - Thermal expansion engine : en
  • AU101066B2 - Improvements in luminescent materials : en
  • US2081283A - Granulator : en
  • US2081880A - High tension electric cable : en
  • US2081370A - Fabric : en
  • US2081503A - Ignition apparatus : en
  • US2081859A - Apparatus for forming glassware : en
  • DE645465C - Method and device for inserting the weft thread running off stationary weft bobbins : de en
  • FR47516E - Track signal recording and repetition system on locomotives and railcars : en fr
  • FR813120A - Sliding roof body : en fr
  • GB466471A - An improved plant for the flat-pressing of fabrics : en
  • GB466604A - An improved television system : en
  • GB466442A - Improvements in or relating to crankshafts of internal combustion or other engines : en
  • FR813117A - Improvements to electron tubes, in particular magnetrons : en fr
  • FR813244A - Removable interior hearth boiler for locomotive : en fr
  • GB466146A - Improvements in or relating to fly-papers : en
  • US2081773A - Cable splicing device : en
  • FR47550E - Receiver device for power line telegraphy, in particular in the event of amplification of the pulses by a restraining current : en fr
  • GB466453A - An improved method of producing rollers having an outer facing of rubber : en
  • GB466455A - Improved cutter for and method of cutting gears : en
  • GB466563A - Improvements in apparatus for electrolytically decomposing water or other liquids under pressure : en
  • AU417036A - Improvements in or relating to detachable wheels for vehicles : en
  • GB466279A - Improved means for treating metal strapping for boxes, crates and the like : en
  • US2081846A - Locomotive gear transmission : en
  • USD104645S - Design fob a toy : en
  • DE645200C - Draft-free switch device : de en
  • DE645462C - Process for protecting pipes or other iron components against corrosion using sand : de en
  • DE645502C - Flat weft knitting machine with lower deck device : de en
  • US2081181A - Camp chair : en
  • DE633969C - Copy color grid underlay provided with protective layers : de en
  • AT149654B - Process for treating fibrous materials. : de en
  • DE645373C - Rolling mill, consisting of roughing, middle and finishing train : de en
  • GB466484A - Improvements relating to the cleaning of bottles, jars or the like containers : en
  • US2081157A - Crankshaft lubrication system : en
  • US2081557A - Taffrail speedometer : en
  • US2081792A - Pocket tooth brush : en
  • AU195636A - Improvements in thermionic cathodes : en
  • FR813296A - Improvements to central heating systems using boiler batteries : en fr
  • DE645499C - Station display device for radios : de en
  • US2081814A - Fuse cut-out : en
  • FR813189A - TV show tube : en fr
  • DE645299C - Process for coating glass surfaces, especially those of electrical discharge vessels, with grained or powdery substances : de en
  • AT149800B - Drive device, in particular for towing vehicles. : de en
  • DE645219C - Process for burning coatings onto the surfaces of non-metallic objects : de en
  • DE645555C - Electric heating for the pouring pot of die setting and line pouring machines by means of heating elements, which consist of heating wire laid insulated in a protective tube : de en
  • FR813003A - Braking system for mobile units of maximum relays or delayed relays : en fr
  • FR813151A - Sports socks, similar products and method of manufacture : en fr
  • FR813164A - Distillation process : en fr
  • GB466366A - Improvements in, or relating to, road vehicles of the low-loading type : en
  • GB466322A - Improvements in and relating to the moulding of articles from thermoplastic materials : en
  • GB466598A - Improvements in and relating to the production of polyvinyl resins : en
  • US2081748A - Method of measuring mechanical forces : en
  • DE645378C - Device for keeping voltages constant with non-resistive conductors connected in series : de en
  • GB466147A - Improvements in or relating to dolls' heads : en
  • DE645475C - Control device, in particular alternating current relay, in which the control effect or relay effect is brought about by the electrostatic attraction of oscillating piezoelectric crystals on moving bodies opposite them : de en
  • FR813273A - Snap-action switch : en fr
  • GB466134A - Improvements in or relating to the manufacture of alkyl chlorides : en
  • US2081669A - Filling machine : en
  • FR813031A - Conductor insulated by means of air gaps, by spacers wound in open helices, especially for high frequency cables : en fr
  • DK53119C - Procedure for Wood Processing. : da en
  • US2081252A - Precision balance : en
  • US2081499A - Building structure : en
  • US2081408A - Shirt form protector : en
  • GB466344A - Improvements in the manufacture and production of nitrogenous products : en
  • DE645456C - Device for ending and blowing out the arc of arc lamps for high currents, especially for signaling purposes : de en
  • FR47490E - Apparatus for the introduction of the granular insulating mass into tubular electric heating bodies : en fr
  • FR47540E - Decomposed character printing telegraph transmitters : en fr
  • FR47523E - Improvements to rail traffic control devices : en fr
  • FR813152A - Automatic olein or other liquid dispenser for sizing textile materials : en fr
  • US2081405A - Wave filter : en
  • AU101080B2 - Apparatus for dispensing aerated beverages : en
  • FR813020A - Process for cutting gear teeth by hob and machine for the application of this process : en fr
  • FR813089A - Alloy applied to thermo-chemistry, foci of thermo-cauteries and tips for pyrography : en fr
  • DE645351C - Electric radiant heater, in particular hotplate : de en
  • DE645397C - Electric musical instrument with fixed vibrating sound bodies : de en
  • GB466423A - Improvement in windshield cleaner : en
  • US2081215A - Grease intercepter : en
  • AT149773B - Electric cathode glow lamp for optical current display or current measurement, in particular for radio devices. : de en
  • AT149791B - Device for connecting anchors to the door frame. : de en
  • AU196136A - Apparatus for introducing finely divided material into water or other liquids : en
  • US2081351A - Process for the treatment of phosphoric acid : en
  • CA366308A - Pigment processing by heat : en fr
  • CA366396A - Motor-driven harrow or cultivator : en fr
  • DE644886C - Omnidirectional antenna : de en
  • FR813054A - Gas mask : en fr
  • FR47543E - Device for printing the weight on sector or circular tickets in automatic weighing devices : en fr
  • CA366286A - Hydrocarbon oil cracking process : en fr
  • US2081426A - Garment construction : en
  • US2081482A - Carburetor : en
  • DE645348C - Twilight switch : de en
  • CA366350A - Mop : en fr
  • DE645207C - Arrangement for stabilizing the frequency of electric musical instruments with a graduated tone sequence : de en
  • US2081222A - Valve for fluid operated pumps : en
  • US2081363A - Perforator : en
  • CA366375A - Floor covering : en fr
  • CA366317A - Rubber-like composition : en fr
  • CA366277A - Gaseous electric discharge lamp device : en fr
  • USD104621S - Design for a jar : en
  • AU101085B2 - An improved producer of gaseous fuel : en
  • AU101054B2 - Improvements in or relating to systems of control for electrically operated lifts : en
  • US2081510A - Distributing valve : en
  • DE645329C - Arrangement to improve the cooling of closed electrical machines : de en
  • DE645546C - Device for the production of storage-stable bitumen emulsions using scattering chips : de en
  • GB466425A - Improvements in plug cocks : en
  • CA366354A - Printing element : en fr
  • USD104703S - Design for a goblet oe similar : en
  • US2081651A - Sanitary liquid dispenser : en
  • AT149785B - Negative electrode for alkaline collectors. : de en
  • AT149704B - Ski climbing device. : de en
  • AU195736A - Improvements in or relating to navigation aiding radio systems : en
  • AU101087B2 - Improved machine for applying strapping to cases, boxes and packages : en
  • USD104709S - Design for a combined sign and clock : en
  • CA366364A - Double-acting hydraulic pump : en fr
  • US2081887A - Process of making shoes : en
  • US2081316A - Vault : en
  • US2081631A - Mop head : en
  • US2081758A - Gluing mechanism : en
  • AU101037B2 - Improvements in or relating to cathode ray tube apparatus : en
  • DE645275C - Sealable lid closure for boxes and. like : de en
  • GB466155A - Improvements in sleepers for railways, tramways and the like : en
  • USD104680S - Design fob a dress : en
  • AT149709B - Ship shape for river cargo ships with stern propellers. : de en
  • US2081153A - Synthetic resin : en
  • US2081601A - Automatic side stream control system : en
  • CA366276A - Gaseous electric discharge device : en fr
  • US2081353A - Filter : en
  • USD104637S - Design for artificial leather : en
  • AT149681B - Detergents and cleaning agents. : de en
  • DE645393C - Luffing crane : de en
  • FR813186A - Development of devices for localized lighting : en fr
  • AT149713B - Tire. : de en
  • AU101039B2 - Tuning arrangements for ultra-selective radio receivers : en
  • DE645505C - Drainage device on water post : de en
  • CA366306A - Perforated corset material : en fr
  • AU103836A - Electrolytic processes and apparatus : en
  • US2081432A - Milk heater : en
  • AT149786B - Arrangement for amplitude modulation. : de en
  • CA366324A - Carton closure : en fr
  • US2081761A - Engine starting mechanism : en
  • DE645263C - Group lubrication pump, especially for stiff greases : de en
  • US2081159A - Liquid dispenser : en
  • US2081620A - Method and apparatus for manufacturing friction linings : en
  • GB466347A - Improvements in centrifugal separators : en
  • AT149678B - Process for the production of lightweight panels. : de en
  • US2081872A - Culvert : en
  • AU101057B2 - Improved fruit grading apparatus : en
  • US2081459A - Magnetic shoe brake : en
  • US2081726A - Automatic mixing valve : en
  • US2081801A - Incandescent electric lamp : en
  • US2081387A - Loom shuttle : en
  • US2081452A - Fluid pressure brake : en
  • US2081804A - Method of making closure caps : en
  • DE645455C - Transformer whose transmission ratio can be regulated by a rotating armature inserted into the magnetic circuit : de en
  • DE645308C - Device for upsetting the rivet shank in the rivet hole in front of the closing head clothing : de en
  • FR813290A - Improvements to electronic discharge devices : en fr
  • US2081624A - Calculating and bookkeeping machine : en
  • US2081695A - Window structure : en
  • FR813029A - Device for remote electrical transmission of the path traveled by a point of a rotating part : en fr
  • FR813049A - Machine for wrapping in paper one or more roots of plants surrounded by soil : en fr
  • GB466414A - Improvements relating to apparatus for the disinfecting of water closets and latrines : en
  • FR813255A - Sign for information or advertising : en fr
  • FR813146A - Toothed drum for film drive : en fr
  • FR813156A - Process for improving threads or yarns : en fr
  • DE644551C - Straightener : de en
  • DE645355C - Process for the production of chlorinated rubber from rubber milk : de en
  • DE645504C - Spreading carriage for mobile guns : de en
  • GB466258A - Improvements in and relating to mercury and like conducting-liquid electric switches : en
  • DE645467C - Device for the automatic regulation of the wort run-off quantities in the individual Laeuter pipes of a Laeuter tub : de en
  • DE645325C - Energy storage device with an electric motor drive, especially for circuit breakers : de en
  • US2081511A - Golf putting device : en
  • US2081633A - Method of and apparatus for firing explosives : en
  • USD104611S - Design for a toy washing machine : en
  • DE645383C - Machine for cutting helical wire continuously wound with straight intermediate parts into individual coils serving as incandescent bodies for electric light bulbs and discharge vessels : de en
  • DE645294C - Electric vehicle headlights : de en
  • FR813213A - Device for the direct transfusion of blood and for the slow administration of intravenous injections : en fr
  • GB466260A - Improvements in indoor refuse bins : en
  • US2081307A - Damper bearing unit : en
  • US2081854A - Folder and fastener : en
  • FR813009A - Improvements to high voltage current generators, usable in particular in radiology : en fr
  • FR813126A - Process relating to the preservation of surfaces of parts of iron or other constructions and apparatus carrying it out : en fr
  • GB466133A - Improvements in apparatus for the irrigation of body cavities : en
  • IE14687L - Driving unit for motor vehicles : en
  • DE645570C - Burner device : de en
  • AT149761B - Process for the manufacture of electrodes for electrical collectors. : de en
  • CA366412A - Paste and liquid dispenser : en fr
  • AU219936A - Improvements in covered slide fasteners : en
  • FR813073A - Forced circulation boiler : en fr
  • US2081352A - Joint for railroad crossings : en
  • FR813279A - Warning device using compressed air as the driving fluid : en fr
  • GB466413A - Improvements in or relating to knitted fabrics and to methods of knitting them : en
  • US2081435A - Battery terminal connecter : en
  • GB466388A - Improvements in and relating to electric condensers : en
  • GB466438A - Improvements in or relating to passenger carrying amusement boats : en
  • DE645406C - Method for generating a beat current of low frequency : de en
  • GB466364A - Improvements in or relating to inductance coils : en
  • GB466265A - Improvements in or relating to sewing machines : en
  • FR813225A - Acetylene generator : en fr
  • GB466263A - Improvements in mark plates for stereoscopic rangefinders : en
  • US2081833A - Closure for bottles : en
  • DE645268C - Drying device for fire hoses : de en
  • FR813264A - Ironing board : en fr
  • FR813292A - Device for counting articles in sheets or in booklets : en fr
  • GB466208A - Improvements in and relating to automatic voltage regulators : en
  • GB466296A - Improvements in and relating to tobacco pouches : en
  • GB466345A - Improvements in the manufacture and production of nitrogenous products : en
  • FR813270A - Device for descaling boiler pipes or similar applications : en fr
  • GB466153A - Improvements in or relating to processes of and apparatus for producing welded beams, columns or the like : en
  • GB466264A - Improvements in or relating to sewing machines : en
  • FR47514E - Improvement in the oulasses, cylinders and crankcases of internal combustion engines and any part forming a radiator : en fr
  • DE645530C - Process for the production of mono- and dimethylamine : de en
  • GB466476A - Improvements in and relating to sound proof floors : en
  • GB466330A - Method and means for finishing gears : en
  • DE645312C - Rinsing device for glasses : de en
  • US2081639A - Method of and apparatus for face milling : en
  • GB466474A - Non-refillable bottles : en
  • DE645282C - Base with suction cup holder and a flexible, liquid absorbent insert for vessels of all kinds : de en
  • GB466192A - Improvements in and relating to mechanism for transmitting power through the medium of liquid : en
  • US2081356A - Shirt board : en
  • US2081413A - Method of and means for effecting remote indications : en
  • DE641441C - Ice cream machine with rotating spatula screw : de en
  • US2081705A - Detector circuit : en
  • FR813232A - Gyroscopic toy carousel : en fr
  • DE645535C - Electrical display, integration or the like device having a number of driving, torque generating systems : de en
  • US2081248A - Fluid pressure operated camera dolly : en
  • US2081425A - High frequency transmission system : en
  • USD104668S - Design for a slipper : en
  • US2081250A - Stitch removing tool : en
  • US2081539A - Flush tank : en
  • GB466429A - Process for purification of earthy minerals and improving their colour : en
  • USD104706S - Design for a steering wheel device : en
  • FR813017A - Preparation of unsaturated compounds containing the ethiocholane nucleus, from their adducts with halogens : en fr
  • GB466390A - Improvements in electrical devices for detecting a gas in a gaseous mixture and for determining the amount thereof : en
  • US2081340A - Jar closure : en
  • US2081516A - Harp-like polyphone polychord musical instrument : en
  • AU56236A - Coupling transformer : en
  • FR47510E - Improved process and apparatus including application for treating hats and other articles by washing, finishing, dyeing or other baths : en fr
  • FR813202A - Method of producing images in several colors : en fr
  • AU184936A - Improvements in or relating to noise reduction in radio receivers andthe like : en
  • AU211036A - Method of and apparatus for removing wax fromthe outer face ofthe lip ofa wax coated can : en
  • DE645295C - Induction furnace without iron core : de en
  • DE645327C - Lubricant for the container wall and the sealing ring of waterless gas containers : de en
  • GB466391A - Improvements in electrical devices for detecting a gas in a gaseous mixture and for determining the amount thereof : en
  • GB466287A - Improved treatment of starch and starch-containing substances : en
  • US2081175A - Method of and apparatus for forming slugs and extruding tubes : en
  • FR813108A - Cutting tool with diamond : en fr
  • DE645551C - Equipment for feeding high pressure vessels : de en
  • US2081755A - Anthraquinone dyestuffs : en
  • FR813274A - Improvements in the production of oxygenated organic compounds : en fr
  • DE645361C - Process for the production of high-pressure forms by molding gelatin reliefs, which evolve from heat, using liquid metal : de en
  • US2081471A - Supporter for clothes lines : en
  • FR813111A - Suspension device for velocipedes and motorcycles : en fr
  • FR813141A - galvanic element, in particular electric storage tank : en fr
  • GB466236A - Improvements in powder puffs and method of making the same : en
  • DE645542C - Metal ink pots : de en
  • FR813272A - Cooling radiators for engines or other applications : en fr
  • FR813093A - Precision grinding machine : en fr
  • FR813207A - Method and related apparatus for compressing vapors : en fr
  • DE645128C - Process for the production of glass objects : de en
  • DE645279C - Device for improving and maintaining the effect of reflectors of a light source provided with fluorescent substances : de en
  • CA366419A - Continuous vulcanizer : en fr
  • FR813026A - New disazo dyes : en fr
  • FR813247A - Improvements to electric discharge lamps : en fr
  • DE645257C - Veneer press : de en
  • GB466129A - Improved apparatus for dispensing beverages or other liquids under pressure : en
  • FR813032A - Chi ray apparatus, in which the tube, the high voltage transformer, and the heating transformer separately connected to the high voltage, are mounted in a common housing : en fr
  • GB466286A - Improved means for controlling oil cooling on the internal combustion engines of aircraft, land and marine vehicles : en
  • DE645414C - Process for the purification of preparations containing vitamins : de en
  • FR813121A - Cooling device applicable in particular to motor vehicles : en fr
  • FR47548E - Machine for preparing fish and in particular for detaching fillets from the skeleton formed by the bones of the body of the fish : en fr
  • FR47524E - Expandable electric conductor : en fr
  • GB466389A - A process for the sintering of concentrates, ores and the like : en
  • US2081186A - Beenforced stocking toe fabric : en
  • USRE20377E - Sewage sludge digester : en
  • US2081273A - Cheese manufacture : en
  • US2081391A - Cam follower : en
  • DK53110C - Refrigerator. : da en
  • US2081443A - Fluid pressure braking apparatus : en
  • US2081517A - Conducting rubber and its application : en
  • US2081742A - Apparatus for spray painting and the like : en
  • US2081610A - Heel construction : en
  • US2081882A - Antiburn device for waving solutions in permanent waving : en
  • DE645395C - Screw locking : de en
  • USD104661S - Design for a desk stand : en
  • DE645529C - Device for hot rolling the thread on screw sockets of pipes : de en
  • GB466187A - Improvements in artificial dentures and in the method of manufacture thereof : en
  • GB466304A - Improvements relating to insulated electric conductors : en
  • GB466374A - Process and apparatus for alkalising or deacidifying water by means of lime : en
  • US2081507A - Gas stove : en
  • DE645239C - Process for the production of flat textile products provided with pile or studs : de en
  • DE645245C - Amplifier device for optional connection to a normal alternating current network or to a low voltage direct current source, especially in vehicles : de en
  • GB466490A - Improvements in or relating to thermoplastic compositions containing an organic derivative of cellulose, and articles coated or impregnated therewith : en
  • GB466561A - Improvements relating to cash receptacles for prepayment meters : en
  • FR813135A - Method for preventing the formation of harmful gas mists during the development of gases in liquids : en fr
  • FR813155A - Kitchen trailer : en fr
  • FR813157A - Control device for hydraulic accumulators with compressed air and electrically actuated distribution valves : en fr
  • AU192136A - Improvements in or relating to television and like apparatus : en
  • US2081367A - Electrical weighing and distribution system : en
  • US2081662A - Railway vehicle control apparatus : en
  • US2081890A - Method of refining rosin : en
  • CA366262A - Welding electrode : en fr
  • US2081812A - Pump : en
  • AT149751B - Device for protecting X-ray tubes against overload. : de en
  • US2081136A - Shirt collar : en
  • AU101081B2 - An improved roofing nail washer or cap : en
  • US2081775A - Plant protector : en
  • USD104663S - Design for a desk stand : en
  • US2081439A - Mechanical dotting device : en
  • US2081554A - Incinerator hopper : en
  • US2081643A - Indurating composition for concrete : en
  • AT149680B - Standing retorts for coking coal etc. like : de en
  • AT149705B - Roller skate. : de en
  • US2081189A - Dehydrating alcohols : en
  • US2081461A - Finish for fabric for textile industry : en
  • US2081879A - Last protector : en
  • DE645232C - Schlaegermuehle : de en
  • FR813175A - Self-reducing milestone : en fr
  • DE645367C - Procedure for calibrating a normal counter : de en
  • FR813086A - Machine for giving felt hat bells and all similar parts a conical, truncated or similar shape : en fr
  • FR813107A - Process for the preparation of photographic prints : en fr
  • GB466430A - Improvements in or relating to engine stop gear : en
  • US2081275A - Milling machine : en
  • US2081490A - Airplane : en
  • USD104667S - Design fob a shoe : en
  • DE645434C - Non-iron tapping pipe closure : de en
  • FR47522E - Improvements to hard compositions based on cemented metal carbides : en fr
  • GB466156A - Improvements in nozzle and valve chests for steam or gas turbines : en
  • US2081644A - Antirattling gear : en
  • GB466460A - Improvements in or relating to garments more particularly maternity dresses : en
  • GB466431A - Improvements relating to prepayment mechanisms : en
  • DE645356C - Display device, especially for price scales : de en
  • USD104650S - Design for a box : en
  • US2081462A - Check valve device : en
  • DE645212C - Rotatable tool holder covered by a hood, especially for motor vehicles : de en
  • US2081676A - Preparation of starch-degrading enzymes : en
  • US2081831A - Hot water heating system : en
  • DE645274C - Table football game in which the ball is made to roll by lifting individual points on an elastic surface : de en
  • DE645441C - Dewatering felt for paper, cardboard and similar machines : de en
  • DE645256C - Swiveling additional table with castors combined with a desk or the like : de en
  • USD104693S - Design for an electric connecter : en
  • USD104702S - Design for a textile fabric : en
  • US2081468A - Hose supporter : en
  • US2081818A - Holder for toilet articles : en
  • DE1408177U - : de en
  • GB466399A - Improvements in tradesmen's hand carriages : en
  • US2081395A - Electric chicken brooder : en
  • US2081312A - Carrier telegraph system : en
  • US2081465A - Trip cock interlock device : en
  • AT149651B - Security door lock. : de en
  • US2081528A - Wetting agents for the use in mercerizing lyes : en
  • FR47528E - Device for varying the timing of the timing in synchronism with the ignition : en fr
  • GB466252A - Improvements in and relating to the regulation of internal combustion engines : en
  • GB466223A - Improvements in and connected with waterproofing and lining tunnels and other structures : en
  • GB466261A - Improvements in and relating to arrangements for working the peripheral surfaces of grinding discs and the like : en
  • GB466346A - Improvements in the manufacture and production of nitrogenous products : en
  • DE645474C - Fuse, especially high-voltage fuse, in which one or both electrodes serving as a power connection for the fusible wire are spring-loaded : de en
  • US2081317A - Hat fastener : en
  • US2081774A - Revolving door mechanism : en
  • USD104624S - Design for a feed trough : en
  • DE645301C - Radiator with slanted individual links : de en
  • FR813224A - Polymerization products and process for preparing these products : en fr
  • US2081385A - Garment slide : en
  • FR47454E - Coaxial arrangement of conductors, with air gap insulation : en fr
  • FR813001A - Footwear edging : en fr
  • GB466251A - Improvements in and relating to electric cutouts : en
  • FR813066A - Track roller for tracked vehicles : en fr
  • US2081584A - Tuning system : en
  • USD104643S - Design for a therapeutic apparatus : en
  • US2081242A - Collar support : en
  • US2081323A - Toggle bolt : en
  • GB466249A - X-ray film assembly : en
  • CA366295A - Liquid and gas measuring apparatus : en fr
  • CA366328A - Fibrous product : en fr
  • AU101072B2 - Float controlled valve : en
  • US2081403A - Process of dewaxing liquid hydrocarbons : en
  • AT149746B - Device for the production of hollow concrete objects u. like : de en
  • US2081311A - Meter and timing means : en
  • US2081618A - Switching mechanism : en
  • US2081707A - Carton and blank for forming the same : en
  • US2081842A - Pivot valve and sealing means : en
  • US2081492A - Cream separator : en
  • US2081668A - Air cleaner for internal combustion engines : en
  • DE645204C - Ashtray with collecting niches arranged in a downwardly inclined direction on the outer surface of the beaker for the draining hollows : de en
  • DE645309C - Process for the production of resonance bodies for stringed instruments with the desired calibration effects : de en
  • DE645387C - Coreless induction furnace with an induction coil surrounded by a yoke : de en
  • AT149693B - Potato haulm cutter. : de en
  • DE645396C - bearings : de en
  • US2081548A - Thread guide : en
  • AT149672B - Process for the preparation of products that can be used as wetting agents, detergents, dispersants, etc. : de en
  • US2081184A - Electric circuit controller : en
  • US2081463A - Brake equipment for railway vehicles : en
  • US2081594A - Caster brake : en
  • US2081762A - Automatic regulation for engine cooling means : en
  • AT149723B - Anti-aircraft missile. : de en
  • US2081627A - Meter box : en
  • FR813131A - Chlorination and bromination process of ketones : en fr
  • FR813295A - Improvements to devices or organs currently manufactured, either totally or partially in glass : en fr
  • US2081235A - Firearm : en
  • US2081885A - Mechanism for selectively reproducing and automatically repeating sound record material : en
  • USD104669S - Design for an inkstand : en
  • DE645321C - Process for removing hydrocyanic acid from gaseous or liquid mixtures : de en
  • CA366366A - Air conditioning apparatus : en fr
  • AU328436A - Accelerators of vulcanization : en
  • US2081209A - Lacing awl : en
  • USD104683S - Design fob a tire : en
  • DE645115C - Circuit for number current surge receiver with lifting and turning movement : de en
  • DE645427C - Wedge holder for hand planes : de en
  • AU101052B2 - Improvements in or relating to modulated carrier wave signalling apparatus : en
  • US2081144A - Artificial material and process for its manufacture : en
  • US2081715A - Corn pad and the like : en
  • DE645489C - Cutter head with circularly arranged cutting knives for cutting teeth curved in the longitudinal direction with parallel guidelines : de en
  • US2081142A - Watch cleaning machine : en
  • US2081241A - Steam generator : en
  • US2081754A - Method of cutting shingles or shakes : en
  • US2081797A - Clamp : en
  • AU191436A - Apparatus for indicating or controlling the lavel of a liquid : en
  • GB466502A - Improvements in or relating to rake attachments for lawn mowers : en
  • US2081211A - Shoe and the manufacture thereof : en
  • US2081664A - Carton : en
  • FR47518E - Self-regulating roller for iron curtains, with combined supports : en fr
  • AT149767B - Arrangement for the transmission of broadcast messages by means of high frequency in telephone network groups. : de en
  • US2081746A - Tuning device : en
  • US2081708A - Discharge tube : en
  • US2081616A - Compression valve : en
  • US2081630A - Method of making liquor finished wire : en
  • DE645250C - Process for the production of Kuepen dyes : de en
  • DE645496C - Device for controlling electrical contacts : de en
  • GB466463A - Improvements in or relating to apparatus for producing welded beams, columns or the like : en
  • US2081169A - Manufacture of artificial materials : en
  • DE645320C - Jacquard equipment, especially for brocade weaving : de en
  • FR813134A - Shoe assembly and resulting industrial product : en fr
  • FR47504E - Electronic ray tube for television : en fr
  • FR813167A - Improved joint of railway tracks : en fr
  • GB466154A - Improvements in or relating to welding mechanism and method of welding : en
  • US2081524A - Process for solvent extraction of : en
  • USD104672S - Design fob a ring mounting : en
  • AT149694B - Friction wheel lighter as a free-standing device. : de en
  • US2081453A - Railway brake system : en
  • CA366379A - Plough disc jointer : en fr
  • US2081580A - Transfer mechanism : en
  • AT149756B - Rotary hammer with automatic turnover. : de en
  • DE645205C - Shut-off valve for LPG bottles : de en
  • DE645063C - Transformer with coils isolated by molten glass : de en
  • US2081513A - Method of and apparatus for refining fruit sauces : en
  • US2081876A - Diaryl oxide sulphonic acids and processes for preparing the same : en
  • US2081729A - Spoke and rim connection : en
  • US2081733A - Process for separating wax from asphalt-wax mixtures : en
  • CA366314A - Pile fabric : en fr
  • US2081501A - Ignition apparatus : en
  • US2081586A - Bumper construction : en
  • CA366337A - Clinometer device : en fr
  • US2081206A - Electric steam boiler : en
  • US2081234A - Production of precious metal decorations on ceramic objects : en
  • US2081562A - Sewing machine : en
  • US2081609A - Method of preventing efflorescence on the surface of colored roofing granules : en
  • CA366305A - Perforated corset material : en fr
  • US2081427A - Electric communication cable : en
  • US2081446A - Continuous pressure cooker and sterilizer : en
  • US2081654A - Web feeding device : en
  • USD104642S - Design fob a golf club : en
  • FR813181A - Improvements made to the adjustment arrangements for compressed fluid generators, with free pistons, supplying receiving machines such as turbines under varying operating pressures : en fr
  • GB466357A - Improvements in or relating to devices to facilitate walking : en
  • GB466452A - An improved method of producing rollers having an outer facing of rubber : en
  • US2081690A - Device for the measuring and comparing of electrical impedances : en
  • US2081232A - Blade holder : en
  • US2081546A - Muffler mounting : en
  • US2081687A - Inflatable swimming suit : en
  • US2081281A - License plate casing and illuminator : en
  • US2081247A - Electric discharge tube : en
  • GB466210A - Improvements in the manufacture and production of olefines : en
  • GB466307A - Improvements in or relating to hydraulic packings : en
  • US2081566A - Freewheel coaster hub : en
  • USD104673S - Design for type font : en
  • US2081303A - Method of manufacturing heat exchangers : en
  • DE645444C - Process for the desilvering of photographic solutions : de en
  • US2081327A - Process for bleaching : en
  • US2081332A - Auxiliary grate for half-tank icing : en
  • US2081522A - Valve construction : en
  • AT149659B - Tiltable arc furnace with coreless induction coil. : de en
  • US2081888A - Confection coating machine : en
  • US2081346A - Power lift and power driven potato digger : en
  • CA366281A - Ammonium nitrate : en fr
  • CA366307A - Noncaking pigment : en fr
  • US2081764A - Bolt anchor : en
  • US2081137A - Flying machine : en
  • US2081844A - Electric valve control system : en
  • DE645261C - Mixture-compressing four-stroke internal combustion engine : de en
  • US2081752A - Combined radio receiver and talking machine : en
  • US2081138A - Closure : en
  • FR813112A - Control of film winding and unwinding in cinema projection devices : en fr
  • FR813286A - Device for massaging the skin while applying a liquid or pasty product : en fr
  • GB466323A - Improvements in or relating to electromagnetically operated relays, axle counters, key locking devices and the like apparatus : en
  • US2081496A - Process for preparing petroleum plastics : en
  • US2081691A - Cable manufacture : en
  • GB466225A - Improvements relating to seats, chairs, settees, and the like : en
  • GB466299A - Improvements relating to the processing of film material coated with emulsion on both sides : en
  • AT149743B - Arrangement for sending various alarm signals by means of only one alarm device, in particular a siren. : de en
  • DE645186C - Process for the preparation of dyes of the anthraquinone series : de en
  • US2081436A - Speed plane : en
  • US2081650A - Sanitary liquid dispenser : en
  • USRE20379E - Airplane : en
  • CA366321A - Multiple coil friction device : en fr
  • DK53108C - Process for the production of anhydrides from organic acids. : da en
  • DE645221C - Acceleration-free and overload-proof drive for polygonal pulleys of bucket chains for excavators, spreaders or the like. : de en
  • DE645259C - Device for bending wood veneer panels : de en
  • DE645422C - Bowl holder on electric traffic lights : de en
  • FR813177A - Removable jug handle, for bottle or other containers : en fr
  • DE645569C - Device for ejecting plastic, semi-liquid, pressurized soap or substances with similar physical properties in tube form : de en
  • GB466497A - Improvements in electric or electromagnetic wave signalling apparatus : en
  • US2081561A - Clutch : en
  • USD104617S - Design for a beverage cooler : en
  • US2081504A - Conveying apparatus : en
  • USD104613S - Design for an electrotherapeutic : en
  • AU105358B2 - Improvements in or relating to two-way communication methods systems and apparatus : en
  • GB466256A - Improvements in and relating to the welding of thin-walled tubes to thick-walled containers and the like : en
  • AU95036A - Improvements in ventilators : en
  • CA366360A - Casket truck : en fr
  • DE645100C - Circuit arrangement for stepper mechanisms : de en
  • US2081315A - Constant level apparatus : en
  • US2081785A - Mechanical figure toy : en
  • US2081130A - Distribution of fuel gases : en
  • US2081412A - Combination huller and feeder : en
  • US2081203A - Dressing table with rotatable mirrors : en
  • FR813263A - Manufacturing process of photosensitive layers : en fr
  • AT149676B - Process for the preparation of 1,5-dialkyl- or 1,3.5-trialkyl-5-cycloalkenylbarbituric acids. : de en
  • US2081150A - Disk construction for radial flow machines : en
  • CA366414A - Record holder : en fr
  • US2081369A - Frequency converter : en
  • US2081684A - Metering system : en
  • AT149741B - Laundry. : de en
  • US2081300A - Process and apparatus for separating oil from wax cakes : en
  • CA366268A - Degreasing apparatus : en fr
  • US2081245A - Registering apparatus : en
  • AT149726B - Beer dispenser. : de en
  • USD104698S - Design for an article display case : en
  • DE645243C - Equal pressure blading for gas or steam turbines : de en
  • US2081640A - Ventilator attachment : en
  • US2081735A - Roofing tool : en
  • US2081867A - Steam main construction : en
  • USD104707S - Design for a button : en
  • US2081637A - Pattern mechanism : en
  • AT149721B - Method and device for the individual dispensing of groups of papers with paper papers folded into one another in a zigzag shape from a continuous stack of such groups of papers. : de en
  • USD104674S - Design for a rug : en
  • DE645508C - Device for further processing of iron flakes produced in the rotary kiln by reducing iron ores : de en
  • CA366421A - Temperature control system : en fr
  • CA366404A - Plywood manufacture : en fr
  • CA366298A - Pressure responsive device : en fr
  • FR813252A - Direction indicator : en fr
  • DE645411C - Headlight cover with curved blades to create an asymmetrical light field : de en
  • FR813278A - Method of steering automobiles according to the laws of mechanics : en fr
  • FR813105A - Improvements to folding armchairs and chairs, etc. : en fr
  • GB466247A - Improvement in underfired regenerative coke ovens : en
  • DE645260C - Process for separating albane and fluavil resins obtained from gutta-percha by extraction with a solvent : de en
  • GB466373A - Improved method of and apparatus for making containers or boxes from sheet material : en
  • CA366400A - Steel joist : en fr
  • AT149702B - Motor vehicle with three wheels. : de en
  • US2081678A - Heat exchanger : en
  • CA366389A - Dining table accessory : en fr
  • DE645482C - Process for measuring, registering or regulating the content of bleaching agents in bleaching baths : de en
  • GB466292A - Improvements relating to clipping machines for horses, sheep and other animals : en
  • AU239636A - Float controlled valve : en
  • AT149777B - Fastening device. : de en
  • AT149675B - Process for making multicolor photographs. : de en
  • AU373736A - Method and arrangement for production, cooling and dispensing of liquids saturated with carbon dioxide by means of dry ice : en
  • USD104610S - Design for a pocket guard : en
  • US2081228A - Method of and machine for use in manufacturing shoes : en
  • AU103136A - Distant signalling means relative to burglary and fire : en
  • GB466443A - Improvements relating to the treatment of articles with volatile organic solvents : en
  • CA366349A - Feed-back oscillator : en fr
  • AU74637A - Improvements in or relating to two-way communication methods systems and apparatus : en
  • DE645364C - Process for the uniform loading of processing plants : de en
  • FR813052A - Oil burner for stoves, salamanders, small central heating boilers : en fr
  • DE645230C - Speed control device for fuel injection engines : de en
  • FR47538E - Improvements to the exhaust of gases in internal combustion engines or in steam engines : en fr
  • FR813203A - Stamp for print : en fr
  • AU306236A - Improvements in or relating to herbicidal compounds or weedkillers : en
  • GB466135A - Process for the manufacture of leather : en
  • GB466367A - Improvements in or relating to street lamp structures : en
  • AT149763B - Device for receiving modulated carrier frequencies. : de en
  • GB466464A - Improvements in or relating to electric reflector lamps : en
  • DE645289C - Straps for pants and underpants : de en
  • DK53116C - Reading or dining table for placement on an armchair. : da en
  • US2081372A - Loose leaf notebook binder : en
  • FR47511E - Process for the destructive hydrogenation of coal : en fr
  • GB466295A - Improvements relating to chairs, seats, and the like : en
  • GB466320A - Improvements in cartridge cases : en
  • CA366335A - Transformer core : en fr
  • DE645362C - Rearview mirror for arrangement on motorcycles or bicycles : de en
  • DE645431C - Automatic analysis and display device for liquids that works in paragraphs : de en
  • US2081279A - Depilatory : en
  • USD104692S - Design for an electric connecter : en
  • GB466275A - Improvements in multi-cylinder internal-combustion engines : en
  • US2081336A - Driving mechanism for railway car generators : en
  • US2081484A - Cooling system of internal combustion engines : en
  • AT149707B - Seat arrangements for motor vehicles, rail vehicles and aircraft. : de en
  • CA366355A - Variable speed gear : en fr
  • FR813047A - Remote control device for automatic flushing of liquids and similar applications : en fr
  • FR813160A - Speed-change control device for slow and fast control of machine tools and their components : en fr
  • GB466202A - An improved clock driven indicator : en
  • GB466368A - Improvements in or relating to sterilizers : en
  • GB466375A - Improvements in or relating to compositions for sealing and gasket purposes : en
  • FR813094A - Bimetal thermometer : en fr
  • FR813269A - Water-insoluble azo dyes, intermediate products used in their manufacture and process for preparing these substances : en fr
  • CA366399A - Corrosion proof metal : en fr
  • FR813185A - Cold drawn wires for wrapping electrical windings : en fr
  • FR813008A - Improvements to air humidifiers : en fr
  • US2081149A - Method and apparatus for direct compression of gaseous or vaporous medium : en
  • US2081692A - Method of extracting tar acids from crude tar : en
  • FR47545E - Internal combustion engine : en fr
  • FR813159A - Combination of switches : en fr
  • DE645298C - Plan grate with rows of longitudinal bars arranged one behind the other : de en
  • FR813078A - Compass with eddy current damping of the oscillations of the magnetic needle : en fr
  • FR47544E - Continuous method and apparatus for the physical removal of sulfur from benzols : en fr
  • FR813227A - Luminescent direction indicator for buildings, ships, etc. : en fr
  • GB466560A - Improvements in, or relating to, furnaces for use in annealing stainless-steel and other metal strip : en
  • GB466494A - Improvements in or relating to punching machines : en
  • GB466361A - Improvements in or relating to electric resistance elements or refractory supports therefor : en
  • US2081233A - Galvanometer : en
  • GB466278A - Method of and apparatus for making printed cardboard blanks used in the manufacture of boxes, containers, cartons and the like : en
  • FR813280A - Advanced backpack : en fr
  • GB466709A - Transverse driven bodies : en
  • FR813201A - Diffuser or vaporizer for liquids : en fr
  • GB466137A - Improvements in or relating to electric irons : en
  • GB466421A - Improvements in or relating to condensation products and cellulose derivative compositions containing them : en
  • DE645567C - Frequency conversion by means of controlled discharge paths : de en
  • DE645509C - Device for the transmission of electromagnetic radiation of short waves, especially for medical purposes : de en
  • FR813018A - Preparation of hydroaromatic aminoalcohols and their derivatives : en fr
  • FR813124A - Angling kit : en fr
  • FR813297A - Internal combustion v-engine with turbo-compressors : en fr
  • DE645214C - Edge burning machine : de en
  • GB466219A - Electro-hydraulic power installation for the operation of movable bridges and their wedging gear : en
  • DE645452C - Electric switch with arc extinguishing by flowing pressurized gas : de en
  • FR813235A - Improvements to rotary pumps : en fr
  • DE645402C - Boiler, especially for liquid manure or other acidic liquids, with a built-in pump : de en
  • FR813122A - Steering for vehicles : en fr
  • GB466205A - Improvements in switch plug boxes : en
  • US2081294A - Sidetracking apparatus : en
  • GB466426A - Improvements in or relating to electric discharge tubes : en
  • DK53115C - Shoe brush. : da en
  • GB466257A - Improvements in and relating to mercury and like conducting-liquid electric switches : en
  • USD104634S - Design for a corner ornament for a : en
  • DE645233C - Device for dressing or planing the face of grinding wheels using a rotating grinding ring : de en
  • DE645340C - Reinforcement ring for the holes in documents to be lined up in folders and. like : de en
  • US2081202A - Book : en
  • US2081338A - Vending machine : en
  • US2081790A - Turn indicating system and apparatus : en
  • GB466221A - Improvements in or relating to braces for personal wear : en
  • USRE20378E - Expansion joint : en
  • GB466138A - Improvements in or relating to typographical slug casting machines : en
  • GB466465A - Improvements relating to moulds for centrifugal metal castings : en
  • FR813260A - Automatic showcase : en fr
  • DE645477C - Process and device for the production of strong gas and by-products by gasifying fuels by means of steam under higher pressure : de en
  • GB466504A - Improvements in or relating to the synthesis of esters of methacrylic acid : en
  • USD104689S - Design fob a textile fabric ob simi : en
  • USD104712S - Design for a centerpiece or similar : en
  • US2081660A - Leverage changing mechanism for vehicle brakes : en
  • US2081765A - Acoustical structure : en
  • US2081857A - Method of and apparatus for forming hollow glass articles : en
  • US2081868A - Surface high speed craft : en
  • US2081354A - Refrigerant compressor : en
  • GB466492A - Improvements in and relating to metal cans or like containers : en
  • DE645494C - Knife disc for round knife meat cutting machines : de en
  • US2081358A - Highway traffic marker : en
  • FR813082A - Device for applying yarns to rotary drawing devices of rayon spinning winding machines : en fr
  • GB465354A - Improvements relating to fluid operated apparatus for producing high pressures : en
  • AT149720B - Rotatable chimney top. : de en
  • GB466182A - Improvements in means for feeding lead melting pots and other containers : en
  • DE645220C - hourglass : de en
  • DE645228C - Pre-firing for boiler with rustless combustion chamber : de en
  • US2081583A - Roll adjustment for paper box machines or the like : en
  • AT149739B - Skirt transformable into pants. : de en
  • US2081168A - Method of preventing scale depositions and removing such deposits from metallic surfaces : en
  • US2081481A - Process for the production of natural colored images on paper and diapositives : en
  • US2081840A - Centrifugal apparatus : en
  • USD104630S - Design for a handle fob a casket or : en
  • USD104699S - Design for an article display case : en
  • DE645525C - Ship gyro for damping ship vibrations : de en
  • GB466428A - Improvements in and relating to spark plugs : en
  • FR813019A - Interlocking cabinet with corbel profile : en fr
  • US2081192A - Rock blade for bulldozers : en
  • US2081374A - Duo-bed couch : en
  • US2081552A - Mixing apparatus : en
  • US2081164A - Waffle mold : en
  • US2081289A - Clock : en
  • US2081515A - Needle : en
  • FR812122A - Independent suspension for automobile front wheels : en fr
  • CA366274A - Gaseous electric discharge device : en fr
  • DE645287C - Process for the foundation of structures with artificial compaction of the subsoil : de en
  • GB466274A - Improvements in and connected with water tube boilers for central heating by hot water circulation : en
  • US2081558A - Casting investment material and process : en
  • GB466262A - Improvements in and relating to protective glass containing neodymium : en
  • GB466300A - Improvements relating to ploughs : en
  • GB466325A - Improved means for guiding endless belts, particularly the blankets in blanket calenders : en
  • FR47521E - Coil for high voltage winding : en fr
  • AU185036A - Improvements in or relating to telephone systems : en
  • DE645009C - Arrangement for voltage regulation within a wide range by means of the grid control in rectifiers working with grid-controlled vapor or gas discharge paths : de en
  • US2081454A - Adjustable shaft motor : en
  • DE645339C - Process and device for the automatic conveyance of folded sheets in uninterrupted continuation of the folding process from the folding machine to the stapling machine : de en
  • DE645526C - Slice depositing device for slicing machines with rotating circular knife : de en
  • US2081892A - Automobile lighting and signal system : en
  • DE645548C - Process for the preparation of 2-chloro-3-aminopyridine : de en
  • FR813030A - Line protection device by means of wireless transmitted signals : en fr
  • US2081445A - Magnetic separator : en
  • GB466228A - Improvements in or relating to safety razors : en
  • GB466308A - Improvements in or relating to hair-nets, caps and the like : en
  • US2081145A - Machine tool : en
  • DE645522C - Device for crushing ground material : de en
  • US2081339A - Liquid storage tank : en
  • DE645338C - Suspender clip : de en
  • US2081489A - Fruit and vegetable cleaning and polishing machine : en
  • DE645495C - Hair clipper for shaving cuts : de en
  • GB466298A - Improvements in or relating to colouring compositions : en
  • FR813229A - : fr
  • USD104616S - Design for a display stand for : en
  • AT149687B - Gyroplane with propeller and free-running swing wing propeller. : de en
  • AT149695B - Cooling device for tobacco pipes. : de en
  • GB466328A - Improvements in and relating to control devices for liquid heaters : en
  • CA366288A - Absorbent and ion-exchanging substance : en fr
  • US2081652A - Synchronizing and speed control system and mechanism : en
  • GB466487A - Improvements relating to the manufacture of chilled and grain rolls : en
  • FR813137A - Self-reflector : en fr
  • FR813067A - Insulating compositions : en fr
  • GB466404A - Improvements in electric valve amplifying systems : en
  • GB466185A - Manufacture of substituted pyridine-ortho-dicarboxylic acid amides : en
  • GB466394A - Improvements in or relating to the loading and unloading of containers on and from vehicles : en
  • GB466583A - Improvements in and connected with mandoors in pressure vessels : en
  • CA366269A - Flotation reagent : en fr
  • USD104612S - Design fob a clothes wringer : en
  • FR813038A - Double acting single piston pump : en fr
  • GB466427A - Improvements in liquid break circuit breakers : en
  • FR813125A - New domino game : en fr
  • FR813256A - Dry straightener : en fr
  • USD104631S - Design for a corner ornament for a : en
  • GB466283A - Improved chimney pot : en
  • GB466318A - Improvements in calendering machines : en
  • USD104677S - Design for a dress ensemble : en
  • GB466319A - Daylight developing tank for photographic roll films : en
  • FR813005A - Device for collecting water from sandy or muddy aquifers : en fr
  • DE645424C - Method and device for producing non-warping bars from curd soap : de en
  • USD104665S - Design for a riding boot : en
  • USD104684S - Design for a textile fabric : en
  • FR813092A - Child pistol mechanism : en fr
  • GB466313A - A new or improved enamel, polish, varnish, cement, flexible glass, and brick or tile : en
  • GB466450A - Improvements in and relating to devices for mending ladders in knitted goods : en
  • GB466488A - Improvements relating to the production of embroidered designs on fabrics : en
  • GB466315A - Improvements in or relating to friction clutches : en
  • DE645357C - Self cashier for receiving orders : de en
  • DK53113C - Dispensing device for Distillation Chambers in Furnaces for Gas Production. : da en
  • DE645313C - Lock with noise : de en
  • FR813011A - Advanced tire tread : en fr
  • GB466270A - Improvements in the manufacture and production of nitrogenous products : en
  • US2081781A - Shoe tip press : en
  • FR47456E - Lubricating Oil Inhibitors : en fr
  • FR813165A - Centrifugal force contact regulator : en fr
  • FR813245A - Rotating capacitor, in particular with ceramic fixing pins : en fr
  • GB466499A - Improvements relating to retardation control mechanism for braking apparatus : en
  • GB466466A - Improvements in or relating to sliding doors : en
  • US2081864A - Emissive cathode : en
  • DE645513C - Device for the production of double hoses : de en
  • US2081292A - Milk bottle holder : en
  • DE645201C - Process for the polymerisation of chloro-2-butadiene- (1, 3) in aqueous emulsion : de en
  • FR47526E - Special designs for the construction of underground aircraft shelters : en fr
  • DE645421C - Overcurrent circuit breaker with trip-free release : de en
  • US2081214A - Articulated propeller shaft : en
  • US2081642A - Indurating composition for concrete : en
  • US2081260A - Internal combustion engine : en
  • US2081771A - Method of producing dry-rectifiers and blocking layer-photocell plates : en
  • US2081297A - Method for dewaxing oil : en
  • US2081852A - Flocculation : en
  • FR813149A - Soundproof hollow body for floors : en fr
  • CA366381A - Combination bench and table : en fr
  • US2081893A - Star decoration system : en
  • GB466603A - Improvements in and relating to filters : en
  • US2081649A - Paddle wheel propeller for ships : en
  • USD104660S - Design for a desk stand : en
  • USD104691S - Design fob a top : en
  • GB466437A - Improved device for the stopping of melted glass at the outlet of a tank furnace, and installations provided with said device : en
  • DE645224C - Changeable, low-frequency coupling element to influence the frequency characteristic : de en
  • DE645501C - Boiler firing with an inclined combustion chamber consisting of two rows of water-cooled pipes : de en
  • FR813143A - Procédé et dispositif pour la production de corps creux en caoutchouc : en fr
  • US2081343A - Edible product : en
  • USD104678S - Design fob a coaster wagon : en
  • US2081881A - Cement mixer : en
  • DE645336C - Explosive cartridge : de en
  • DK53125C - Procedure for supplying pressurized fuel to engines. : da en
  • DK53129C - Method for the production of diazotypes and a suitable developer. : da en
  • US2081486A - Automobile ventilator : en
  • US2081563A - Differential mechanism : en
  • DE645471C - Process for improving the machinability of an iron-nickel-aluminum alloy : de en
  • FR813254A - Improvements relating to the control of carburettors in gasoline engines or the like : en fr
  • CA366294A - Television : en fr
  • DK53130C - Signal system for automatic indication of too low pressures in air rings on automobiles. : da en
  • FR813123A - Device for permanent waving of the hair : en fr
  • GB466183A - Organic mercury compounds and their manufacture : en
  • US2081723A - Film casting base : en
  • DE645252C - Process for the preparation of conversion products of aminoanthraquinones : de en
  • DE645317C - Process for the production of multicolored marble-like patterns on eggshells : de en
  • FR47503E - Flying cycle : en fr
  • FR813223A - Sewing machine with feed teeth from below and overcoat : en fr
  • USD104648S - Design for a fork or similar article : en
  • CA366383A - Engine fuel control mechanism : en fr
  • GB466356A - Improvements relating to the production of pectin : en
  • GB466459A - Method of producing lighting effects for scenic advertising and display purposes : en
  • CA366329A - Thermal insulating structure : en fr
  • US2081249A - Disinfecting means for toilets : en
  • US2081738A - Sizing device : en
  • US2081777A - Manufacture of hollow rubber articles : en
  • US2081849A - Process of preparing cellulosic spinning solutions and soft-luster products thereof : en
  • CA366415A - Furnace grate : en fr
  • US2081587A - Vehicle ventilating window : en
  • US2081730A - Television system : en
  • CA366265A - Knitted fabric : en fr
  • CA366297A - Noncorrosive fluid : en fr
  • USD104658S - Design fob a pedestal clock : en
  • AT149779B - Electroacoustic equipment for medical diagnostic purposes. : de en
  • US2081194A - Core pump : en
  • AT149714B - Pedal pair for bicycles with freewheel. : de en
  • AU148736A - Tuning arrangements for ultra-selective radio receivers : en
  • CA366342A - Steel annealing method : en fr
  • US2081254A - Braking mechanism for automobiles : en
  • CA366332A - Advertising or display device : en fr
  • US2081376A - Electrode adapted to be in contact with mercury : en
  • CA366353A - Hollow article moulding apparatus : en fr
  • US2081713A - Compensator for variations of plate currents : en
  • FR813025A - Brake improvements : en fr
  • US2081331A - Yarn spool : en
  • AT149699B - Tip of smoke. : de en
  • AU101058B2 - Apparatus for elevating liquids : en
  • CA366402A - Rotary concentrator : en fr
  • CA366411A - Stitch-down shoe : en fr
  • AU349736A - Improvements in and relating to compressed paper packing for bottles : en
  • CA366377A - Formaldehyde manufacture : en fr
  • CA366390A - Road surfacing material, etc. : en fr
  • CA366365A - Bag or container : en fr
  • US2081521A - Brake construction : en
  • DE645281C - Electric circuit breaker : de en
  • AT149700B - Men's hat. : de en
  • US2081188A - Fuel injection system for internal combustion engines : en
  • US2081830A - Electric circuit interrupter : en
  • AT149668B - Motor vehicle with central girder chassis. : de en
  • US2081394A - Weld rod : en
  • AU122936A - Coating composition andthe method ofits preparation and application : en
  • CA366391A - Crusher : en fr
  • AT149674B - Ignition compound for the production of ignition heads for electric detonators. : de en
  • US2081282A - Apparatus for forming unit portions of ice cream or the like : en
  • US2081550A - Bearing : en
  • US2081796A - Reciprocating motion device : en
  • CA366347A - Storage battery plate : en fr
  • AT149701B - Freewheel brake hub with back pedal relief. : de en
  • AU101068B2 - Improvements in or relating to synchronising systems : en
  • AU101083B2 - Improvements in or relating to navigation aiding radio systems : en
  • CA366420A - Temperature control system : en fr
  • AT149732B - Process for the production of zip fasteners. : de en
  • US2081322A - Process and apparatus for conducting chemical reactions : en
  • US2081739A - Sensitivity meter : en
  • CA366384A - Engine governor : en fr
  • DE645324C - Superheterodyne receiver : de en
  • CA366271A - Measuring system : en fr
  • AT149660B - Process for the preparation of acidic triphenylmethane dyes. : de en
  • DE645500C - Binders for paints : de en
  • GB466128A - Improvements in or relating to the lasting of boots or shoes : en
  • US2081377A - Deleting system : en
  • CA366260A - Container liquid drawing-off device : en fr
  • US2081533A - Apparatus for making articles : en
  • US2081617A - Process for improving liquid potassium soaps : en
  • US2081166A - Process of making alcohols by use of ethyl sulphuric acid : en
  • US2081681A - Corn detasseling machine : en
  • US2081309A - Process for treating oils : en
  • US2081653A - Neckwear : en
  • DE637455C - Method of making cast iron pipes : de en
  • DE645498C - Process for the production of a bituminous mixture : de en
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  • DE644778C - Protective equipment for electrical apparatus and machines against excessive heating : de en
  • GB466489A - Improvements in apparatus for medical heat and vibration treatment, particularly fortreating deafness : en
  • US2081591A - Center latch elevator : en
  • US2081595A - Apparatus for indicating and controlling temperatures in glass melting tanks : en
  • US2081429A - Electron tube and method of operating the same : en
  • US2081226A - Art of making shoes : en
  • US2081271A - Vault protective system : en
  • DE645413C - Steep card index with unstaggered one behind the other, subdivided into groups with side-by-side viewing strips on the upper edge : de en
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  • US2081229A - Poultry-killing device : en
  • US2081686A - Remote control apparatus for electric tuning systems : en
  • DE645466C - Motorized, preferably electrically powered screwdriver : de en
  • US2081822A - Annunciator for horse races : en
  • US2081162A - Antenna : en
  • US2081514A - Slide fastener : en
  • FR813114A - Cap : en fr
  • AU101064B2 - Coating composition andthe method ofits preparation and application : en
  • CA366275A - Gaseous electric discharge device : en fr
  • DE645223C - Process for the production of non-baking fertilizers : de en
  • FR47525E - Improvements to automatic telephone call dials : en fr
  • GB466564A - New or improved means for making pipe joints : en
  • AT149661B - Process for cleaning finely divided carbon produced on iron-containing contacts. : de en
  • DE645497C - Process for the production of patterns, characters or lettering on synthetic resin molded bodies : de en
  • USD104704S - Design fob a hat : en
  • FR813024A - Strip rolling process : en fr
  • DK53118C - Piping system to prevent misting or freezing of windows. : da en
  • FR813034A - Permanent magnet : en fr
  • DE645488C - Device for amplifying the spark in internal combustion engines : de en
  • GB466335A - : en
  • FR813242A - Automatic dial scale : en fr
  • US2081156A - Hose coupling : en
  • US2081886A - Oil composition : en
  • GB466290A - Improvements in or relating to the mordanting of photographic silver images : en
  • AT149765B - Multiple antenna for receiving electromagnetic waves. : de en
  • CA366302A - Mine car and underframe : en fr
  • DE645342C - Sheet feeder for printing and duplicating machines : de en
  • DE645490C - Photographic jumping camera : de en
  • DK53111C - Steering device for motor electric vehicles. : da en
  • FR813139A - Further training in firearms, more specifically automatic weapons : en fr
  • US2081732A - Process for dewaxing oils : en
  • DE645365C - Filter candle for liquid filter : de en
  • US2081276A - Locomotive stoker : en
  • FR813163A - Improvements in the reduction of interference in electrical signal transmission systems : en fr
  • GB466363A - Improvements relating to multi-electrode amplifier valves : en
  • US2081509A - General container and closure and toothed article therefor : en
  • US2081823A - Nonrefillable bottle stopper : en
  • US2081417A - Furnace wall construction : en
  • US2081201A - Core drill head : en
  • FR813234A - Cartridge magazine : en fr
  • FR813287A - Device for closing the openings of receptacles : en fr
  • GB466410A - An improved method of uniting woven wire fabrics : en
  • FR813101A - Remote control system on three-phase networks : en fr
  • US2081263A - Electric cable system : en
  • GB466661A - Process of cleaning metal surfaces : en
  • DE645318C - Multi-level drying cabinet with drawer-like insert boxes : de en
  • DE645519C - Internal combustion compressor for gaseous substances, which consists of at least two internal combustion compressor units with free-flying pistons : de en
  • FR813035A - Parasiticide for preserving certain foodstuffs, dried plants and all products which may be damaged by the action of parasites : en fr
  • DE645464C - Device for the automatic lubrication of the rings and runners of ring spinning and ring twisting machines : de en
  • US2081694A - Electric shaver : en
  • FR813103A - Process for the preparation of diffusible, easily manageable gas solutions : en fr
  • FR813110A - Hydraulic control for ship's rudder : en fr
  • US2081287A - Dewaxing oil : en
  • US2081304A - Sectional mold : en
  • GB466226A - Improvements in means for carrying flexible conductors of suction cleaning machines and the like : en
  • DE645407C - Elbows made of sheet metal : de en
  • AT149729B - Electric roasting and oven. : de en
  • FR813176A - Double-effect trims, for chasubles or other ornaments or priestly clothes : en fr
  • GB466491A - An improved device for dispensing small quantities of cream-like substances : en
  • FR47506E - Crossed wire winding and assembly device : en fr
  • GB466211A - Improvements relating to locking bolts and nuts : en
  • DE645315C - Rubber heel with air chamber : de en
  • DE645377C - Switching arrangement for the selective reception and amplification of modulated high-frequency carrier waves : de en
  • FR813036A - Motor vehicle spare wheel for soft and impassable terrain : en fr
  • GB466272A - Improvements in clockwork mechanisms : en
  • GB466477A - Fuel injection pumps for internal combustion engines : en
  • DE645226C - Arrangement for switching on a turbo generator serving as an instantaneous reserve in power plants with several machines working in parallel : de en
  • FR47495E - High pressure mercury lamp : en fr
  • DE645432C - Method for the spectral analytical detection of substances : de en
  • DE645514C - Gyroscope for displaying the angular movements of a steerable object around one of its axes : de en
  • DE645545C - Rectification apparatus : de en
  • GB466297A - Improvements in pneumatic means for controlling the firing, reloading and safety blocking of automatic guns : en
  • US2081240A - Apparatus for treating ore : en
  • US2081382A - Sewage aeration : en
  • DE645562C - Rail connection in electrical switchgear and distribution boxes : de en
  • FR813158A - New kind of carpet : en fr
  • GB466240A - Improvements in or relating to lamp fittings : en
  • FR47475E - Cathode ray tube : en fr
  • GB466336A - Improvements in the recovery of valuable organic products, in particular liquid products, from solid carbonaceous substances by pressure extraction : en
  • FR812930A - Improvements to breathing apparatus and gas masks : en fr
  • GB466369A - Improvements in or relating to electrical systems of remote control : en
  • FR813206A - Utensil for cleaning wood surfaces, especially parquet floors : en fr
  • GB466451A - Improvements in or relating to means for securing hats to the head : en
  • DE645418C - Heating system for electric traction vehicles : de en
  • US2081585A - Closure : en
  • US2081816A - Knitting machine : en
  • US2081306A - Muffler : en
  • US2081288A - Machine tool transmission and control : en
  • US2081472A - Asphalt conditioning and charging device : en
  • US2081829A - System of distribution : en
  • USD104671S - Design fob a spoon ob otheb abticle : en
  • US2081301A - Elevator : en
  • FR813250A - Welding process of alloys on metallic objects : en fr
  • DE645283C - Method for repairing construction timber : de en
  • IE14248L - Refractory glasses : en
  • US2081319A - Shuttle box and binder : en
  • AT149762B - Generation and application of ultra-short waves. : de en
  • FR813205A - Improvements to locking devices for bicycles : en fr
  • GB466558A - Improved means for preventing corrosion in water containers : en
  • AU190936A - Improvements in or relating to vacuum cleaners : en
  • FR813115A - Rational grading by grading screen : en fr
  • FR812065A - Process for producing ornaments on textile bodies and formations by the action of swelling agents : en fr
  • FR813142A - Method and devices for plating metals and alloys : en fr
  • GB466150A - Improvements in and relating to refrigerating plants on vehicles : en
  • GB466710A - Improvements in colour photography : en
  • GB466456A - Improvements in or relating to telegraphic transmitting apparatus : en
  • US2081577A - Phase modulation : en
  • US2081891A - Apparatus for regulating the level of liquid : en
  • FR813130A - Rock drill, in particular rotary drill or drill bit for salt, coal or rock, with hard metal fittings : en fr
  • FR813299A - Improvements to automatic gear changes : en fr
  • FR813289A - Automatic locking device for the moving part of a disconnector : en fr
  • FR813204A - Current terminal or feedthrough for electric heating vessels : en fr
  • GB466303A - Improvements in clamping brackets for supporting wringing machines : en
  • DE645262C - Injection pump for internal combustion engines : de en
  • DE645550C - Coiled pipe feed water preheater : de en
  • FR813098A - Superheterodyne receiver : en fr
  • DE645439C - Device on fast rotating mills : de en
  • FR813083A - Method and device for transmitting energy from the exhaust gas of a heat engine via a liquid : en fr
  • FR813145A - Automatic adjustment device for high frequency receivers, in particular for radio headlight signal receivers : en fr
  • GB466503A - Improvements in or relating to electric lamps comprising luminescent materials : en
  • FR813004A - Frame for aircraft engines with liquid radiators : en fr
  • FR813169A - Impregnation film and process for obtaining it : en fr
  • GB466454A - Improvements in and relating to compressors : en
  • FR813113A - Faceted roller for winding on spools or the like of threads of any kind : en fr
  • GB466239A - Improvements in or relating to the manufacture of articles from plastic substances : en
  • AT149652B - Process for the production of carbides, carbonitrides, nitrides, borides, silicides and titanides, especially for hard alloys. : de en
  • AU101070B2 - Improvements in or relating to electric storage batteries : en
  • US2081310A - Co-precipitation of asphalt and wax : en
  • US2081360A - Rail slotter : en
  • AU101048B2 - Method and arrangement for production, cooling and dispensing of liquids saturated with carbon dioxide by means of dry ice : en
  • US2081155A - Artificial film containing derivatives of cellulose : en
  • US2081218A - Method for stabilizing motor fuel against gum formation : en
  • US2081800A - Magneto-electric generator : en
  • USD104608S - Design for a pastry blender : en
  • AU101090B2 - Accelerators of vulcanization : en
  • DE645292C - Switching device : de en
  • AT149787B - Bearing or guide parts for precision instruments. : de en
  • CA366362A - Bridge protecting apparatus : en fr
  • US2081154A - Artificial resin and method of making the same : en
  • US2081185A - Narrowing mechanism : en
  • US2081776A - Enclosed arc device : en
  • US2081860A - Pumping system : en
  • US2081894A - Resistance body made from semiconductive substances : en
  • DE645229C - Investment material for dental purposes : de en
  • DE645386C - Permanent magnet : de en
  • US2081171A - Manufacture of artificial materials : en
  • US2081299A - Apparatus for taking and distorting moving pictures : en
  • US2081402A - Tire changing stand : en
  • CA366413A - Rotary engine or compressor : en fr
  • US2081575A - Fluid brake : en
  • US2081243A - Apparatus for pasteurizing liquids : en
  • US2081308A - Composite fabrics and their manufacture : en
  • AU101082B2 - Improvements in thermionic cathodes : en
  • CA366278A - Lamp unit : en fr
  • DE645370C - Screw gauge with feeler lever : de en
  • DE645389C - Process for the production of iron leather : de en
  • GB466417A - Improvements in the manufacture of ethylene oxide : en
  • US2081414A - Telemetric transmitter : en
  • US2081674A - Atomizer : en
  • AU101063B2 - Coupling transformer : en
  • AT149750B - Process for the manufacture of secondary X-ray diaphragms. : de en
  • CA366282A - Impact crusher : en fr
  • GB466222A - Improvements in and relating to boxes or cartons for containing powder for toilet or other purposes : en
  • CA366325A - Piling and pier protecting apparatus : en fr
  • GB466441A - Appliance for setting and bandaging forearm fractures : en
  • FR813259A - Improvements to television and similar transmitting devices : en fr
  • US2081541A - Process for solidifying soils : en
  • US2081530A - Wireless direction finding system : en
  • US2081795A - Sulphoaromatic compound of certain higher aliphatic ketones : en
  • FR813119A - Motor vehicle : en fr
  • US2081877A - Means for closing sealing rings : en
  • USD104682S - Design for a net fabric or similar : en
  • US2081480A - Refrigeration apparatus : en
  • USD104620S - Design for a chimney top : en
  • DE645446C - Suitcase lock : de en
  • US2081176A - Fuel oil : en
  • US2081440A - Distillation unit : en
  • DE645269C - Method for steering motor vehicles : de en
  • FR813162A - Improvements in the preparation of bodies containing metal carbides : en fr
  • GB466405A - Improvements in and relating to packing rings for elastic fluid turbines : en
  • GB466505A - Process for the manufacture of acridine derivatives : en
  • DE645480C - Portable three-piece clothes case : de en
  • GB466662A - A process of cleansing and coating metal articles : en
  • GB466100A - Improvements in or relating to welded structures, such for example, as those formingpart of thermionic valves or incandescent lamps : en
  • IE14623L - Electric discharge lamps : en
  • US2081603A - Motor rotor hub assembly : en
  • USD104701S - Design for a boiler jacket : en
  • GB466424A - Improvement in windshield cleaner : en
  • GB466501A - Fasteners, particularly for safety belts for use on aircraft : en
  • DE645266C - Paper strip cutting device : de en
  • FR47478E - Process for preparing photo-luminescent glasses : en fr
  • FR47512E - Process for the production of caustic soda : en fr
  • FR813063A - Supersonic gas pump : en fr
  • GB466229A - Improvements in or relating to hydraulic cement : en
  • GB466415A - Improvements in wireless signalling apparatus : en
  • US2081824A - Clutch mechanism : en
  • DE645469C - Method for reserving tints from ester salts of leukokuepen dyes with ester salts of leukokuepen dyes : de en
  • GB466220A - Improvements in or relating to the construction of fives courts, rackets courts, squash-rackets courts and the like : en
  • US2081802A - Manufacture of light concrete : en
  • US2081197A - Floor conduit : en
  • DK53117C - Mechanism for automatic Control of Combustion in Magazine Boilers. : da en
  • FR813028A - Improvement in thermometers : en fr
  • FR813174A - Improvements to vehicle springs : en fr
  • DE645484C - Fork tedder : de en
  • DE645222C - Process for the production of a highly active decolorizing carbon : de en
  • DE645403C - Derailleur control for electric motors, especially for electrically powered vehicles : de en
  • DE645487C - Working cylinder for two-stroke internal combustion engines : de en
  • IE14788L - Driving gear for swinging half axles : en
  • GB466376A - Method of and means for protecting halogenous dielectrics from deterioration : en
  • DE645285C - Tooth training for pulley mills : de en
  • DE645218C - Device for interrupting the supply of work goods for spinning, twisting and similar textile machines : de en
  • DK53121C - System for automatic Irrigation of housed Pets. : da en
  • US2081787A - Electrolytic process and apparatus for the production of chromic acid and caustic alkali : en
  • US2081386A - Sheet feeding device for duplicators : en
  • US2081667A - Process for treating seeds : en
  • USD104656S - Design for a bottle : en
  • GB466445A - Improvements in land and water vehicles : en
  • FR813257A - Device for pulling nails : en fr
  • US2081531A - Soft ball : en
  • US2081207A - Lasting machine : en
  • US2081500A - Ignition apparatus : en
  • US2081326A - Lighting fixture : en
  • DE645341C - Flame tube boiler with cross boiler tubes : de en
  • US2081666A - Paint spray masking device for automobile wheel and tire assemblies : en
  • US2081152A - Wrapped container : en
  • GB466305A - Rotary varnishing press : en
  • CA366357A - Fastening device : en fr
  • CA366363A - Filter or strainer : en fr
  • DE645520C - Internal combustion compressor for gaseous substances, which is composed of at least two internal combustion compressor units with free-flying pistons : de en
  • DE645447C - Locking and storage for either a vertical or a horizontal axis rotatable window sash, flaps or the like. : de en
  • FR813041A - Automatic constant level funnel : en fr
  • FR813214A - High pressure mercury tube : en fr
  • GB466130A - Improvements in and relating to weaving of bolting cloth or similar gauze material : en
  • CA366287A - Sulphuric acid recovery, etc. : en fr
  • CA366320A - Tire cover making apparatus : en fr
  • CA366309A - Pigment processing by heat : en fr
  • US2081251A - Operating mechanism for window regulators and door latches : en
  • US2081711A - High frequency apparatus : en
  • US2081727A - Retarding mechanism for photographic shutters : en
  • USRE20380E - Control device : en
  • US2081491A - Shingle : en
  • AT149737B - Process for the production of inscribed plates, in particular grave plates. : de en
  • DE644945C - Body with great flow resistance, especially for braking airplanes and other vehicles : de en
  • AU401491B2 - Improvements in or relating to spray dispensing apparatus : en
  • CA366291A - Lubricating oil : en fr
  • AT149748B - File holder. : de en
  • CA366358A - Refrigerating display cabinet : en fr
  • US2081602A - Pedestal structure : en
  • US2081703A - Illuminating device : en
  • US2081368A - Wall assembly and stud : en
  • US2081525A - Bottle nozzle : en
  • AT149658B - Electrode for use in electrolytic processes and methods for their manufacture. : de en
  • AU101062B2 - Improvements in or relating to red fluorescent layers : en
  • CA366356A - Display calendar : en fr
  • US2081858A - Apparatus for forming hollow glassware : en
  • US2081401A - Preparation of fertilizer : en
  • USD104628S - kennelly : en
  • US2081873A - Notebook : en
  • AT149799B - Multi-step transmission. : de en
  • DE645453C - Arrangement for suppressing harmonics in networks connected by converters : de en
  • GB466218A - Improvements in and relating to hydraulic controlling means for machine tools : en
  • US2081291A - Cord holder : en
  • USD104655S - Design for a bottle : en
  • US2081410A - Fastener for sanitary napkins and the like : en
  • US2081448A - Heavy oil : en
  • US2081565A - Hair drying apparatus : en
  • US2081772A - Method and device for the electrical purification of gases : en
  • AU101049B2 - Amounting arrangement for automatic switches in telephone systems : en
  • CA366418A - Card dipping apparatus : en fr
  • US2081295A - Selective control mechanism for radio sets : en
  • US2081661A - Scattering unloader : en
  • CA366290A - Lubricating oil : en fr
  • US2081720A - Extraction process : en
  • US2081505A - Universal joint : en
  • AU101078B2 - Electrolytic processes and apparatus : en
  • DE645248C - Device for load-dependent voltage compounding and for protection against short circuits in rectifiers equipped with grid-controlled vapor or gas discharge paths : de en
  • US2081791A - Chair : en
  • DE645254C - Moving grate made of longitudinally lying, partly resting, partly moving forward and backward rods in their axial direction : de en
  • DE645264C - Drilling spindle, especially for coordinate drilling machines : de en
  • FR813284A - Protection device for circuits and ignition devices on internal combustion engines : en fr
  • CA366299A - Waterproofing composition : en fr
  • USD104664S - Design for a shoe : en
  • US2081190A - Well screen : en
  • US2081334A - Bedding : en
  • US2081469A - Hose supporter : en
  • USD104654S - Design for a button : en
  • AU267536A - Improved means for connecting the flush pipe extremity tothe water inlet opening ofa lavatory pan ofthe pedestal type : en
  • CA366352A - Filing device : en fr
  • AT149690B - Device for sorting potatoes, fruit and other large pieces by weight. : de en
  • US2081196A - Tack button : en
  • CA366330A - Gas-fired baking oven : en fr
  • US2081556A - Latex concentrate : en
  • US2081784A - Combination planter and fertilizer distributor : en
  • US2081361A - Corn cutter : en
  • DE645547C - Process for the production of fine-grained, dehydrated borax : de en
  • FR813055A - Improvements to liquid navigation compasses : en fr
  • GB466317A - Metal pot for type-line casting machines : en
  • FR813095A - Continuous speed change : en fr
  • US2081629A - Bottle cooler : en
  • FR47531E - Method and apparatus for concentrating and pasteurizing fermented wines : en fr
  • GB466285A - Improvements in multiple unit electric motor control systems : en
  • USD104647S - Design for a milk can cover : en
  • GB466233A - Improvements in and relating to foot pads : en
  • GB466359A - Improvements in water heating apparatus : en
  • DK53109C - Agents for Stabilizing Aqueous Suspensions or Emulsions and Increasing Their Water-Binding Ability. : da en
  • GB466381A - Hair curling method and device for carrying out said method : en
  • US2081532A - Child's wearing apparel : en
  • US2081724A - Cooky blank forming roll : en
  • AT149783B - Arrangement for modulating high-frequency vibrations, especially ultra-short waves. : de en
  • CA366315A - Metal container : en fr
  • DE645392C - Method and device for applying punctiform decorations to hollow glass vessels : de en
  • DE645559C - Cooling device for the brake drums of vehicles, especially rail vehicles : de en
  • FR47513E - Improvements to motor cars and their manufacture : en fr
  • GB466237A - Improvements in fastening devices for strands, such as string : en
  • US2081388A - Sash operating mechanism : en
  • DE645388C - Device for braking the sinkers on flat weft knitting machines : de en
  • FR813075A - Improvements in agglomerates having for coating materials heavy hydrocarbons or pitches, asphaltic or bituminous distillation residues and similar ares, for use as coating for roads or other : en fr
  • US2081450A - Distress signal for electricallyoperated clocks : en
  • DE645265C - Process for the production of small bowls to be drawn out cold to form cartridge shells or bullet sleeves from rod sections by cold pressing : de en
  • US2081328A - Cabinet : en
  • US2081424A - Fruit juice extractor : en
  • US2081889A - Noncrystallizing rosin composition and method of producing : en
  • US2081430A - Machine for producing ringless full-fashioned hosiery : en
  • US2081836A - Calculating machine : en
  • US2081679A - Self-releasing clutch : en
  • DE645538C - Time switch for making short-term X-ray images : de en
  • AT149784B - Level meter for direct display of the degree of modulation with variable high-frequency current. : de en
  • DE645316C - Method and device for determining a horizontal line through a point on a ship of known height above sea level : de en
  • GB466235A - Improvements relating to the manufacture of compressed tablets for pharmaceutical and other purposes : en
  • US2081223A - Fluid operated deep well pump : en
  • US2081612A - Baffle for heat exchange tubes : en
  • FR813170A - Process and apparatus for extracting oils, fats and other soluble constituents from the materials which contain them : en fr
  • GB466337A - Improvements in endless track vehicles : en
  • US2081520A - Game apparatus : en
  • US2081780A - Electric control circuits : en
  • DE645485C - Device with rotating circular knives for cutting off the stalks of corn on the cob : de en
  • CA366304A - Chemical product : en fr
  • US2081428A - Freezing tray : en
  • USD104666S - Design for a bottle : en
  • DE645288C - Cable excavator with towers that can be moved on the upper edge of the embankment of a mine : de en
  • DE645368C - Gas generator for use as a lean gas generator : de en
  • FR813132A - Photographic lens formed from two lens systems : en fr
  • US2081685A - Cleaning and renovating apparatus : en
  • US2081212A - Table construction : en
  • USD104646S - Design fob a fountain pen : en
  • GB466500A - Improvements relating to railway track circuit apparatus : en
  • US2081838A - Clutch and control mechanism therefor : en
  • US2081441A - Automatic feeding or delivery apparatus : en
  • US2081782A - Hand saw set : en
  • US2081817A - Fishhook holder : en
  • AU51936A - Phono rhythm process and apparatus for effecting same : en
  • DE645255C - Skin cleanser : de en
  • DE645369C - Fixed chimney top made of several stacked top parts : de en
  • FR813192A - Coupling collar for pipe joints : en fr
  • GB466230A - Clothes wringer : en
  • US2081318A - Shearing machine and comb therefor : en
  • US2081398A - Method of operating a continuous filter system : en
  • US2081268A - Safety receptacle : en
  • US2081559A - Refuse receptacle for vehicle bodies : en
  • US2081167A - Garment hanger making machine : en
  • US2081400A - Laundryproof snap fastener : en
  • US2081628A - Pipe still : en
  • US2081874A - Dyestuffs of the anthraquinone series : en
  • US2081655A - Orthopedic sandal : en
  • US2081719A - Solvent extraction process : en
  • FR813106A - Device for closing bags : en fr
  • FR813172A - Improvements to discharge tubes : en fr
  • FR813240A - Method for feeding sheets to printing presses by means of mechanical feeders and device for carrying out this method : en fr
  • US2081344A - Braun tube : en
  • CA366369A - Mould : en fr
  • FR813271A - Air conditioning installation : en fr
  • DE645237C - Resilient pit stamp : de en
  • AT149788B - Device for the most favorable adaptation of energy consumers to power lines. : de en
  • US2081293A - Fracture pin : en
  • DE645326C - Process for the production of contact and connection points of high-value sheet resistors : de en
  • FR813226A - : fr
  • GB466341A - Improvements in springing arrangements for vehicles : en
  • AT149673B - Process for the production of gasoline with good anti-knock value in high yield by distillation. : de en
  • AU101069B2 - Improvements in or relating to television and like apparatus : en
  • AT149688B - Straw press. : de en
  • FR813057A - Method and control device for reciprocating pumps : en fr
  • FR813027A - Anti-interference rotating antenna : en fr
  • GB466371A - An improved clock : en
  • US2081278A - Station scale for radio receiver sets : en
  • DE645278C - Heald frame : de en
  • GB466419A - Improvements in or relating to radio receivers for television and the like : en
  • DE645532C - Device for controlling the succession of suction and connections with the open air by a single body : de en
  • FR813128A - Process for the manufacture of materials with high hair activity : en fr
  • AT149781B - Capacitor. : de en
  • US2081835A - Blanc fixe and method of making same : en
  • AU101086B2 - Improvements in or relating tothe manufacture of steels with determined properties : en
  • DE645558C - Typewriter in which the type levers are mounted in an inclined, low-lying segment : de en
  • DK53126C - Air cooling device for internal combustion engines intended for Motor Vehicles. : da en
  • AT149747B - Embossing press for book covers. : de en
  • AT149754B - Transmission device for a sound film machine. : de en
  • US2081543A - Engine frame : en
  • US2081827A - Switch : en
  • US2081834A - Dispensing device : en
  • FR813196A - Process and plant for the production of ammonium nitrate or materials containing ammonium nitrate : en fr
  • AT149666B - Process and apparatus for the production of carbon black. : de en
  • DE645528C - Muelleinschuette, the impact bar by an elastic pad, z. B. made of rubber, is protected : de en
  • FR813222A - Exploration slot for talking films : en fr
  • CA366351A - Fountain pen : en fr
  • AU191936A - Improvements in receptacles for containing glass during manufacture : en
  • CA366386A - Propeller puller : en fr
  • AT149653B - Process for the production of moldings, in particular of small moldings, such as pills, lozenges or the like, consisting mainly of sodium carbonate decahydrate. : de en
  • GB466562A - Improvements in or relating to the production of stiffened fabrics and fabric articles : en
  • AU119936A - Cathode ray tube apparatus : en
  • FR813268A - Improvements to coke ovens : en fr
  • AT149691B - Holding frame for animal salt blocks. : de en
  • DE645423C - Process for the preparation of monoazo dyes : de en
  • AU339136A - Machines for equipping box parts with fastening means : en
  • FR813065A - Improvements to processes and devices for filtering lubricating oil : en fr
  • GB466143A - Improvements in and relating to devices for generating foam : en
  • AT149776B - Switching arrangement for rectifying modulated high-frequency oscillations. : de en
  • GB466243A - Improvements in and connected with steam generators and superheaters : en
  • DE644652C - Mobile Schuettgeraet, especially for puffing up dams for road construction : de en
  • DE645244C - Rail fastening on shims with hook-shaped clamps engaging in them : de en
  • FR813074A - Method and devices for the manufacture of wall plates and the like of artificial stone : en fr
  • DE645215C - Tank training consisting of several layers of different building materials : de en
  • DE645450C - Inclined tube boiler with evaporation feed water preheater arranged within the circulation system : de en
  • AT149768B - Device for correcting reserve values intended for fire control devices for aircraft defense in order to take into account the influence of the wind on the projectiles. : de en
  • GB466288A - Improvements in collapsible segmental formers particularly for tyre building : en
  • DE645380C - Cooling device for grooved runners of electrical machines : de en
  • DE645213C - Device for chopping food, in particular meat : de en
  • AT149766B - Electric discharge tube. : de en
  • GB466254A - Improvements in and relating to electric discharge devices : en
  • DE645234C - Process for preventing a self-tie from slipping out of a stand-up collar when tying and for holding the tie, as well as spring clips for carrying out the process : de en
  • FR813210A - Toilet paper : en fr
  • FR813021A - Improvements in the treatment of non-volatile vegetable and animal oils known as fatty oils : en fr
  • GB466248A - Improvements in steam power plants, especially turbine locomotives : en
  • AU147136A - Improvements in methods of and means for pressing materials into blocks, briquettes and the like : en
  • DE645216C - Blasting process and device : de en
  • FR813116A - Method and apparatus for stimulating hair growth : en fr
  • DK53122C - Apparatus and tools for the manufacture, processing, packing or shaping of butter. : da en
  • US2081139A - Gas engine : en
  • US2081508A - Insulator having high surface resistance and method of making it : en
  • FR813188A - Process for manufacturing hardened articles, and articles obtained by this process : en fr
  • GB466446A - Improvements in or relating to optical sound-reproducing apparatus : en
  • GB466568A - Improvements in or relating to devices for counting variations in speed : en
  • GB466398A - Improvements in methods and apparatus for casting metals : en
  • DE645352C - Electrically heated hob : de en
  • AT149745B - Visual file. : de en
  • DE645557C - Type guide for type bar typewriters : de en
  • DE645518C - Device for making use of the ammonia vapors rising from the manure discharge lines in cattle sheds : de en
  • FR813061A - Device for limiting the force applied by pressurized fluid, particularly applicable to the control of hydraulic brakes : en fr
  • DE645314C - Right and left usable window and door hinge : de en
  • GB466387A - Apparatus for forming unit portions of ice cream or the like : en
  • USD104627S - Design fob a transformer casing : en
  • GB466282A - Improvements in circuit arrangements for producing grid potential for grid controlled multi-phase electric discharge devices : en
  • US2081407A - Drier : en
  • GB466370A - Improvements in surface grinding machines : en
  • US2081277A - Radio receiver : en
  • US2081329A - Photoprint machine : en
  • IE14384L - Drying coated flexible webs : en
  • DE645353C - Jet pump : de en
  • FR813096A - Process for preparing dyes for vats : en fr
  • US2081542A - Controlling apparatus : en
  • US2081581A - Freewheel drive for automobiles : en
  • USD104696S - Design for a bottle : en
  • US2081231A - Automobile wheel fender : en
  • DE645277C - Two-winged revolving gate for ship locks with spigot bearing relieved of the mortising pressure : de en
  • FR813016A - Tea strainer : en fr
  • GB466338A - Dial switch for use in telephone or like systems adapted to render particular call numbers inoperative : en
  • DE645273C - Screw-on ski binding : de en
  • DK53114C - Electric handheld vacuum cleaner with a side-mounted handle. : da en
  • GB466340A - Improved means for use in displaying or demonstrating artificial dentures : en
  • GB466549A - Improvements in and relating to metal cans or like containers : en
  • AT149755B - Easel file. : de en
  • AT149740B - Optical light meter. : de en
  • GB466255A - Improved decorative ribbon : en
  • FR813285A - Device for preparing several combinations of electrical circuits and suddenly switching from one combination to another : en fr
  • DE645304C - Pendulum furnace : de en
  • FR813190A - Exhaust valve seat for internal combustion engine machines : en fr
  • GB466321A - An improved method of and means for treatment of the exhaust gases from compression ignition types of engines in underground workings : en
  • US2081244A - Monoazo dyes for coloring cellulose esters : en
  • US2081783A - Flash lamp synchronizing device : en
  • US2081494A - Process for the production of lubricating oil : en
  • USD104710S - Design for a textile fabric : en
  • GB466396A - Synchronization of saw-tooth generators, especially for television purposes : en
  • GB466184A - Improvements in the manufacture and production of vat dyestuffs : en
  • FR47535E - Elastic system comprising multiple elements reacting in series : en fr
  • GB466215A - Process for dyeing leather : en
  • US2081464A - Brake valve device : en
  • US2081537A - Liquid conductor heater : en
  • DE645258C - Process for the production of plywood panels with metal wire inserts : de en
  • DE645328C - Push button control for electric motors to drive machines with alternating direction of movement and fixed movement end targets, especially for driving cable cars : de en
  • FR813102A - Folding clothes hanger : en fr
  • GB466440A - Improvements in or relating to wind-direction indicators : en
  • US2081871A - Fastener secured installation : en
  • US2081593A - Steering wheel construction : en
  • AU101074B2 - Improved means for connecting the flush pipe extremity tothe water inlet opening ofa lavatory pan ofthe pedestal type : en
  • DE645429C - Device for sorting by weight, especially of sheet metal : de en
  • GB466378A - Improvements in or relating to refrigerating apparatus : en
  • US2081839A - High-voltage current-responsive apparatus : en
  • US2081682A - Toy railway crossover : en
  • US2081731A - Method for producing lubricating oil : en
  • US2081759A - Flanged head for paper containers and method of making the same : en
  • USD104641S - Design for a desk thermometer : en
  • AT149782B - Device for relieving the body during manual work, in particular for dentists. : de en
  • US2081337A - Combination flowerpot : en
  • CA366285A - Welding electrode manufacture : en fr
  • AT149793B - Device arranged on cutting and winding machines for strip-shaped materials to prevent irregular bobbin formation. : de en
  • AU100939B2 - Improvements in ro ralting to method of and apparatus for separtin mateiral : en
  • US2081342A - Conversion of hydrocarbon oils : en
  • US2081722A - Picture frame : en
  • DE645381C - Device for eliminating inductive interference voltages with transformer grid control : de en
  • USRE20382E - Key operated stringed musical : en
  • AT149780B - Method of making plaster bandages. : de en
  • DE645463C - Self-priming centrifugal pump : de en
  • AU101047B2 - Improvements in and relating to compressed paper packing for bottles : en
  • US2081861A - Band-pass filter : en
  • DE645457C - Small electric lamp : de en
  • GB466496A - Process and device for the continuous manufacture of bands of artificial silk fibres : en
  • CA366359A - Aircraft : en fr
  • US2081750A - Vehicle : en
  • US2081656A - Carton : en
  • US2081763A - Garment rack : en
  • CA366348A - Storage battery plate : en fr
  • DE645544C - Machine for twisting profile wire : de en
  • FR813138A - Steam generator, in particular for hair treatment devices : en fr
  • GB466395A - An improved horse-drawn vehicle : en
  • US2081305A - Sheet metal fastener : en
  • US2081786A - Display, direction, or guide apparatus : en
  • USD104622S - Design for a jab : en
  • US2081470A - Filing cabinet : en
  • US2081789A - X-ray tube having a rotary anode : en
  • AT149719B - Refuse collection truck. : de en
  • GB466385A - Improvements in or relating to electric cables, particularly although not essentially to high frequency electric cables : en
  • US2081348A - Conversion of hydrocarbon oils : en
  • US2081793A - Reenforcing thread applying means for sewing machines : en
  • US2081788A - Refrigerator cabinet : en
  • US2081850A - Flocculation : en
  • CA366311A - Chlorinated rubber : en fr
  • CA366340A - Hydraulic machine : en fr
  • DE645290C - Process for the continuous distillation of hydrogen peroxide : de en
  • AU101056B2 - Process and machine for surfacing sheets of zinc and copper : en
  • US2081611A - Turbine : en
  • US2081855A - Method for increasing lubricating oil yields : en
  • US2081191A - Roof and wall surface : en
  • US2081540A - Pencil attachment : en
  • US2081721A - Solvent extraction process : en
  • US2081895A - Glass forming machine : en
  • AU101536A - Improvements relating to tanks forthe transport of liquids overall types of ground : en
  • DE645563C - Electrical control device with isodromic feedback : de en
  • US2081140A - Counterbalancing device : en
  • US2081442A - Apparatus for painting or similarly treating objects such as golf balls : en
  • CA366382A - Shirt collar : en fr
  • CA366339A - Pulverulent material conveying apparatus : en fr
  • AU193036A - Improvements in or relating to electric storage batteries : en
  • CA366316A - Jointed building structure : en fr
  • CA366343A - Strain gauge : en fr
  • AT149760B - Device for the simultaneous generation of vibrations and modulation in a single tube. : de en
  • DE645251C - Process for the preparation of compounds of the anthraquinone series : de en
  • FR813239A - Process for preparing lysergic acid hydrazide : en fr
  • AT149686B - Bottle made of paper, cardboard, etc. Like. And process for their preparation. : de en
  • DK53107C - Method for Manufacturing Metallic Cases and Other Cases. : da en
  • AU194836A - Apparatus for dispensing aerated beverages : en
  • CA366417A - Heat economizer : en fr
  • FR47507E - Make-up case refinements : en fr
  • US2081820A - Pivot for indicating instruments : en
  • AU185936A - Improvements in or relating to systems of control for electrically operated lifts : en
  • DE645271C - Fitting device for elastic bandages, tires, rings, etc. like : de en
  • CA366416A - Electric arc cutting machine : en fr
  • AT149758B - Sewing machine gripper. : de en
  • US2081178A - Apparatus for unloading and loading railway vehicles : en
  • US2081270A - Rotary engine : en
  • US2081421A - Furnace : en
  • US2081466A - Speed governor : en
  • US2081794A - Apparatus for purifying liquids : en
  • US2081384A - Insulated electrical conductor : en
  • DE645478C - Method for expanding knitted fabrics on the flat weft knitting machine : de en
  • AT149792B - Slide lock. : de en
  • CA366361A - Duplex regulating switch : en fr
  • US2081866A - Quadding and centering device : en
  • US2081134A - Aeronautical device : en
  • US2081845A - Reversible refrigerant expansion means : en
  • USD104685S - Design fob an automobile : en
  • AU242336A - Improvements insound suppressing ventilating windows for vehicles : en
  • FR813053A - Brake improvements, more specifically aircraft brakes : en fr
  • GB466151A - Improvements in and relating to remote control of machine guns : en
  • AT149682B - Process for the preservation of fatty fruits with a semipermeable seed coat. : de en
  • FR813071A - Absorption of nitrogen oxides from tail gases in the manufacture of nitric acid : en fr
  • GB466600A - Improvements in curtain suspension and curtain reeving appliances : en
  • GB466294A - An improved fire extinguishing composition : en
  • AU184836A - Improvements relating to: intermittent dry-absorption refrigerating systems and apparatus : en
  • DE645217C - Glass plate provided with matt fields on the surface by means of sandblasting, which has the shining effect of a relief sculpture : de en
  • DE645491C - Device for holding a linearly polarizing film in front of a camera equipped with a viewfinder : de en
  • FR813211A - Improvement in the construction of floors to achieve their insulation : en fr
  • GB466311A - Improvements in and relating to automatic sealing valves for water taps and the like : en
  • US2081810A - Vehicle body pillar : en
  • USD104705S - Design fob an embossed leather : en
  • US2081646A - Method of making propeller blades : en
  • AU192036A - Improvements in or relating to synchronising systems : en
  • US2081444A - Brake control device : en
  • USD104652S - Design for a lunch box : en
  • DE645400C - Steam or compressed air howlers, especially for ships : de en
  • US2081314A - Journal bearing : en
  • US2081493A - Collapsible egg case : en
  • US2081716A - Foot treatment pad and its manufacture : en
  • AT149771B - Apparatus for subaqual intestinal baths. : de en
  • AU184336A - Improvements in and connected' withthe taillights ofr motor vehicles : en
  • AT149795B - Process for the automatic control of single-tube boilers and devices for its implementation. : de en
  • AT149710B - Double or multiple switch levers. : de en
  • US2081689A - Transmission : en
  • US2081712A - Local anaesthetically active pharmaceutical preparation and method of preparing the sme : en
  • US2081853A - Apparatus and method for controlling refrigeration : en
  • US2081878A - Valve : en
  • GB466242A - Capsule for a bottle or similar vessel and method and apparatus for fixing same : en
  • GB466334A - Improved processes and apparatus for casting metal ingots and to the castings produced thereby : en
  • AT149735B - Device connected to the paper trolley of a typewriter for setting at least one endpaper. : de en
  • US2081205A - Radio circuit : en
  • US2081237A - Propeller shaft center bearing : en
  • US2081195A - Core recovering tool : en
  • AT149711B - Ski binding. : de en
  • USD104688S - Design for a vehicle : en
  • US2081434A - Combination telephone and telegraph exchange system : en
  • US2081545A - Vehicle body construction : en
  • USD104659S - Design fob a jab : en
  • AT149684B - Drive for electric train lighting generators attached to the bogie of a vehicle. : de en
  • AU101042B2 - Improvements in or relating to noise reduction in radio receivers andthe like : en
  • US2081246A - Container closure and method of making same : en
  • CA366395A - Synthetic coconut water : en fr
  • DE645409C - Equipment on grinding machines for quick and fine transverse adjustment of the grinding wheel slide : de en
  • DE645235C - Wick burner : de en
  • GB466352A - Improvements in or relating to methods of and apparatus for welding metallic tips to metallic bases such as pen nibs or other metal articles and the articles resulting therefrom : en
  • AT149769B - Computing device for determining the speed and height of a target, e.g. B. an airplane, from the observation of the target movement. : de en
  • US2081599A - Load control apparatus for hydraulic type testing machines : en
  • CA11483S - Nipple : en
  • CA366323A - Reclosable carton : en fr
  • US2081158A - Beverage dispenser : en
  • US2081198A - Filter : en
  • US2081568A - Free-wheel coaster-brake with brake coupling : en
  • US2081570A - Paint brush holder : en
  • CA366263A - Wound dressing bandage : en fr
  • AU101079B2 - Cathode ray tube apparatus : en
  • US2081415A - Electron emitter : en
  • AT149738B - Output shaft in vending machines or the like. : de en
  • US2081474A - Cuboid-metatarsal arch support : en
  • DE645284C - Device for recording tones by means of a pen : de en
  • DK53106C - Mechanism for influencing the release mechanism by presses, punching machines and similar machines. : da en
  • GB466293A - Improvements in means for adjusting tools in boring bars : en
  • US2081821A - Crate or lug : en
  • AU52236A - Improvements in or relating to modulated carrier wave signalling apparatus : en
  • FR813230A - Improvements to the distribution of tar on the roads and spout : en fr
  • GB466498A - Improvements in and relating to the casting of stereotype printing plates : en
  • US2081848A - Process of preparing cellulosic spinning solutions and soft-luster products thereof : en
  • US2081262A - Warp twisting-in machine : en
  • AU101044B2 - Improvements in covered slide fasteners : en
  • AU101061B2 - Improvements in or relating to detachable wheels for vehicles : en
  • DE645008C - Protective device in which a rectified network variable is fed to the control circuit of a polarized relay : de en
  • CA366407A - Utensil cover : en fr
  • FR813040A - Improvements to blowing devices for vacuum cleaning devices : en fr
  • FR813010A - Compressed fluid and compounding motor : en fr
  • GB466142A - Improvements in and relating to the process of refining sugar : en
  • FR813276A - Process for improving synthetic hydrocarbon oils : en fr
  • US2081390A - Cam follower : en
  • GB466475A - Automatic guard for power presses and like machines : en
  • AT149797B - Safety device on intermittent absorption chillers that are indirectly heated by a liquid. : de en
  • CA366267A - Aluminium and alloy processing : en fr
  • CA366403A - Box or carton : en fr
  • FR813228A - : fr
  • GB466331A - Improvements relating to the joining of parallelly arranged tubes by forging : en
  • GB466380A - Improvements in or relating to automatic progressively variable speed gears : en
  • US2081257A - Method of manufacturing packing rings : en
  • US2081622A - Microphone plug : en
  • AU101055B2 - Improvements in safety razorblades andthe like andthe production thereof : en
  • DE645291C - Double counter : de en
  • DE645536C - Suspension device with built-in line coupling for lights : de en
  • GB466493A - Improvements in and relating to metal cans or like containers : en
  • US2081634A - Electric cord or cable : en
  • US2081847A - Process of preparing cellulosic spinning solutions and soft-luster products thereof : en
  • DE645419C - Selective protection device for three-phase lines : de en
  • GB466411A - Improvements in or relating to hydraulic brakes : en
  • US2081193A - Check handling apparatus : en
  • US2081536A - Road machine : en
  • FR813064A - Method and apparatus for dry cleaning and drying of cleaned materials : en fr
  • GB466217A - Improvements in or relating to mechanical stokers : en
  • US2081740A - Method and apparatus for making fibrous articles : en
  • US2081744A - Signaling device : en
  • FR47505E - Improvements to loaded telephone or telegraph cables : en fr
  • GB466482A - Improvements relating to the manufacture of metal coated surfaces : en
  • FR812147A - : fr
  • GB466280A - Improvement in or relating to remotely-controlled recording apparatus : en
  • GB466407A - Improvements in and relating to combined service and safety brakes for shaft elevators : en
  • GB466569A - Improvements in the manufacture and production of acetaldehyde from gases containing acetylene : en
  • US2081680A - Ash discharger : en
  • USD104649S - Design foe a container or similar : en
  • US2081526A - Filling machine : en
  • US2081567A - Coaster-brake and brake-applying device : en
  • US2081798A - Bottle spray nozzle : en
  • FR813161A - Conversion of smoke tube superheaters : en fr
  • FR813294A - Improvements to fire extinguishing devices : en fr
  • GB466131A - A method of and means for obtaining the sum or difference and angular relation between quantities which may be represented by coplanar vectors : en
  • US2081187A - Photoaddressing system : en
  • US2081527A - Gear shifting mechanism : en
  • US2081350A - Method and apparatus for eliminating low frequencies : en
  • US2081811A - Bearing cap : en
  • US2081221A - High pressure pump : en
  • US2081863A - Variable speed transmission : en
  • US2081747A - Motor vehicle control device : en
  • AU187936A - Improvements in safety razorblades andthe like andthe production thereof : en
  • CA366319A - Rubber thread production : en fr
  • US2081734A - Method for treating oils : en
  • US2081286A - Eyebrow pencil : en
  • US2081606A - Necktie : en
  • FR47529E - complex fabrics : en fr
  • GB466633A - Improvements in and relating to motor road vehicles and to folding hoods therefor : en
  • US2081220A - Liquid operated pump : en
  • GB466302A - Improvements relating to pipe joints : en
  • GB466559A - New or improved methods of melting and casting metals and apparatus or appliances for use therein : en
  • FR813262A - Differential and compensator system applicable, inter alia, to the control of vehicle brakes and similar devices : en fr
  • US2081736A - Coloring matters : en
  • GB466232A - Improvements relating to joints for fishing and other rods : en
  • DK53133C - Closure for Windows. : da en
  • US2081799A - Fluid pressure equalizing arrangement : en
  • GB466472A - Improvements relating to the guide-roller mountings of spirally guided gasholders : en
  • US2081182A - Apparatus for ore separation or concentration : en
  • GB466481A - Improvements in or relating to alternating current commutator machines, particularlybut not essentially alternating current commutator motors : en
  • US2081596A - Manometer calibrating means : en
  • US2081320A - Doctor blade for rolls, traveling webs, and the like : en
  • US2081718A - Production of aminoalkyl sulphones : en
  • AT149778B - Impression spoon. : de en
  • FR813060A - Manufacturing process for shoes with rubber soles : en fr
  • GB466271A - A new or improved process and apparatus for finishing carpets and other pile fabrics : en
  • US2081375A - Sandal : en
  • CA366409A - Automatic luminair : en fr
  • FR47537E - Method and devices for feeding and regulating fuel injection engines : en fr
  • DE645375C - Circuit arrangement for two-wire connecting lines : de en
  • AT149731B - Control device, especially for liquid heaters. : de en
  • US2081636A - Kitchen utility device : en
  • DE645554C - Depositing device for the hand matrices of die setting and line casting machines : de en
  • FR813150A - Improved process for producing decorative designs on glass : en fr
  • SE89344C1 - : sv
  • USD104690S - Design for a photographic projec : en
  • DE645188C - Flat weft knitting machine with normal lower deck device and jacquard petinet device : de en
  • FR813144A - Arrangement of sheets of carbon paper for making multiple-copy typewriter copies on continuous recording sheets : en fr
  • GB466327A - Improvements in or relating to electrical signalling systems : en
  • US2081396A - Slide fastener : en
  • US2081648A - Shoe pressing machine : en
  • DE645300C - Food plate with insert frame for dividing the plate for different dishes : de en
  • AT149742B - Device for photographic sound recording. : de en
  • AU190336A - Improved fruit grading apparatus : en
  • US2081324A - Machine for waxing paper : en
  • US2081411A - Synchronous motor : en
  • DE645280C - Device for heat transfer, in which heat transfer ribs consisting of U-shaped bent sheets are arranged : de en
  • FR813266A - Drive device for tape-shaped phonogram holder : en fr
  • US2081256A - Slicing machine driving mechanism : en
  • US2081379A - Animal snaring device : en
  • US2081451A - Spring pressed device : en
  • GB466434A - Improvements in and relating to crown caps for bottles and other like containers : en
  • US2081865A - Process for the manufacture of sulphonation products from higher molecular organic compounds : en
  • AT149662B - Magnesium alloy. : de en
  • FR47542E - Improvements to multi-function control devices, especially those in motor vehicles : en fr
  • GB466383A - Improvements in or relating to engine supercharging apparatus : en
  • US2081647A - Propeller blade : en
  • GB466193A - Improvements in and relating to electrolytic condensers : en
  • GB466326A - Improvements in or relating to the manufacture of thin sheets, films and the like products of cellulose formate : en
  • US2081590A - Brake : en
  • DE645211C - Actuating device for hood lock on motor vehicles : de en
  • FR813070A - Installation for obtaining relief views : en fr
  • FR813085A - Process for separating a liquid mixture : en fr
  • US2081767A - Indicating device : en
  • AU101084B2 - Apparatus for introducing finely divided material into water or other liquids : en
  • GB466266A - Improvements in or relating to packings of stuffing boxes and the like : en
  • USRE20384E - Folding chair : en
  • DE644350C - Electrical resistance welding device in which the welding current is generated in the secondary winding of a transformer, the primary winding of which is fed by an interrupted direct current : de en
  • DE645472C - Terminal for connecting electrical lines to installation devices : de en
  • GB466384A - Method of treating titanium bearing ores : en
  • US2081473A - Process for treating oils : en
  • USD104632S - Design for a plate for a casket or : en
  • US2081359A - Anthraquinone dyestuffs capable of being chromed : en
  • GB466132A - Improvements in or relating to electric amplifier circuits : en
  • FR813171A - Hydraulic transmission : en fr
  • GB466566A - Improvements in automatic internal grinding machines : en
  • US2081614A - Closure cap structure : en
  • DE645512C - Zirconium oxide molding compound : de en
  • DK53112C - Television systems. : da en
  • US2081825A - Governor : en
  • US2081751A - Corn popper : en
  • DE645344C - Vehicle, in particular a railway vehicle, for moving loads : de en
  • FR813056A - Protective cradle cover : en fr
  • AU101065B2 - Improvements in methods of and means for pressing materials into blocks, briquettes and the like : en
  • USD104639S - Design for artificial leather : en
  • FR47549E - Preparation of diazonium salts : en fr