- US2221157A - Rivet remover :
en
- US2221354A - Strip coiling machine :
en
- US2221513A - Ball or roller bearing :
en
- US2221669A - Apparatus for dyeing and finishing stockings :
en
- FR50487E - Improvements to wooden boxes :
en
fr
- FR857994A - Process for preparing aluminum sulphate :
en
fr
- FR857981A - Improvements to thermostats :
en
fr
- US2220922A - Electrical wave filter :
en
- US2220990A - Connector for the liquid cooling and electric systems of welding apparatus :
en
- FR858044A - Process and composition applicable in particular to the protection of coatings such as nitro or aceto-cellulosic coatings used in aeronautical constructions :
en
fr
- GB529180A - Improvements relating to methods of obtaining copies of photographic images in colours :
en
- CH212322A - Pneumatic door mover. :
de
en
- US2220913A - Container :
en
- US2220957A - Device for and method of attaching heels to shoes :
en
- US2221140A - Process for bleaching montan wax :
en
- GB528937A - Containers of paper and the like and method of making the same :
en
- GB529165A - Improvements in or relating to machines for packeting articles :
en
- GB529108A - An improved bituminous composition :
en
- DE698464C - Traveling grate :
de
en
- DE698772C - Device for holding rod-shaped devices on bicycles and motorcycles :
de
en
- US2221369A - Process foe producing lactams :
en
- US2221000A - Polymerizing olefin hydrocarbons :
en
- US2221349A - Traversing mechanism :
en
- FI18884A - Electric strap light bulb :
en
fi
- US2220958A - Tensioned yarn and thread and method of forming same :
en
- US2221134A - Support for casket lowering apparatus :
en
- US2221390A - Apparatus for and a method of making coils :
en
- DE698751C - Device for heating, in particular canned food :
de
en
- US2221205A - Christmas tree stand :
en
- US2221581A - Trolley fixture :
en
- DE698545C - Device for air separation of coal or other dry or moist substances :
de
en
- DE698754C - Screen cabinet :
de
en
- GB529026A - Improvements in or relating to telephone systems :
en
- US2220897A - Electric current converter :
en
- US2221405A - Internal combustion engine :
en
- US2221292A - Pumping power :
en
- US2221307A - Conductivity testing system and method :
en
- USD123524S - Design for a dress :
en
- CH212141A - Method for preventing frost damage to plants, in particular grapevines. :
de
en
- FR858032A - Silencer for firearms :
en
fr
- GB529120A - Improvements in or relating to processes for making weldless metal tubes and means for carrying out said processes :
en
- DE698706C - Deceleration brake control with braking force controlled as a function of the speed :
de
en
- GB529047A - Improvements in automatic switches for use in telephone or like systems :
en
- GB528918A - Improvements in or relating to fuzeheads suitable for use in electric blasting detonators and electric fuzes, and for similar purposes :
en
- NL53196C - method and device for developing and / or fixing light prints, in particular diazotypes and blueprints, according to the so-called semi-wet method :
en
nl
- GB529207A - Improvements in and relating to tap-changing arrangements for windings of alternating current apparatus :
en
- US2221527A - Receptacle :
en
- ES4590Y - Perpetual periodic indicator of female physiological fertility :
en
es
- FR858066A - Automatic welt sewing machine :
en
fr
- GB529017A - Improvements relating to the production of rayon yarn :
en
- FR858058A - Variable pitch propeller improvements :
en
fr
- USD123506S - Design fob a dress or sevhlar article :
en
- US2220954A - Weld rod coating :
en
- US2221123A - Trunk lid support :
en
- US2221174A - Textile apparatus :
en
- DE698773C - Can cleaning device :
de
en
- GB529056A - Tobacco pouch :
en
- CH212218A - Circle. :
de
en
- GB529147A - Improvements in and relating to electric discharge devices :
en
- US2221125A - Fastening device :
en
- US2221706A - Breech construction and operation :
en
- FR857989A - Transmission system, consisting of a coaxial cable and amplifiers :
en
fr
- GB529124A - Device for adjusting wrapping sheets on wrapping machines :
en
- DE698727C - Process for the production of solid, water-soluble sulfur-alkali compounds :
de
en
- US2221290A - Railway-highway grade crossing warning signal :
en
- US2221676A - Fruit washing apparatus :
en
- DE698639C - Process for the production of green ceramic decorations, in particular underglaze decorations :
de
en
- GB529115A - Improvements in and relating to heating, cooking and like apparatus :
en
- FR857955A - Process for applying a protective cement-based coating to surfaces :
en
fr
- US2221478A - Production of guanidine salts :
en
- CH212148A - Sun blinds. :
de
en
- CH212214A - Device for attaching a movie reel to various attachment axles. :
de
en
- GB528960A - Improvements in automatic multiple spindle turret machines for turning, drilling, tapping and the like :
en
- CH212139A - Manure stirrer. :
de
en
- AU111859B2 - Improvements in and relating torat traps :
en
- US2221215A - Amusement device :
en
- US2220995A - Check mechanism :
en
- US2221312A - Means adapted to reproduce sounds or other sensory effects :
en
- US2221727A - Preheating tumbler :
en
- CA392461A - Separation of solid particles from fluids :
en
fr
- CH212241A - Waterproof watch box. :
en
fr
- CH212256A - Ball bearing for small axes, in particular for time devices. :
en
fr
- CH212149A - Window blind frame. :
en
fr
- CH212258A - Flow regulator. :
de
en
- FR858043A - High speed propulsion on water :
en
fr
- GB529063A - Improvements relating to slicing machines :
en
- US2221118A - Feeding mechanism for rock drills :
en
- US2221306A - Conductivity indicating system and method :
en
- DE698594C - Striking tool for deforming sheet metal :
de
en
- CH212222A - Anti-slip device for skis. :
en
fr
- USD123513S - Taylor ex :
en
- USD123526S - Design fob a dress :
en
- CH212217A - Pencil with lead held in a paper cover that can be torn off piece by piece. :
de
en
- ES4612Y - A new model of moth :
en
es
- GB529202A - Process for the preparation of concentrated coffee essence :
en
- US2221591A - Frequency measuring apparatus :
en
- DE646869C - Negative electrode for alkaline collectors :
de
en
- US2221545A - Cotton cleaner :
en
- CA392426A - Building heating system :
en
fr
- GB529194A - Improvements in or relating to alkylation of hydrocarbons :
en
- AU111834B2 - Improvements relating to electrical phase shifting devices :
en
- CA392518A - Fuel mixture and scavenging gas control device :
en
fr
- CH212275A - A method of manufacturing an electrical resistance element and an electrical resistance element obtained by this process. :
en
fr
- CA392415A - Shoe :
en
fr
- CH212227A - Rocket for artillery projectile. :
en
fr
- US2221041A - Control for heating systems :
en
- US2221086A - Automatic volume control circuit :
en
- US2220924A - Shuttleless wire mesh loom :
en
- US2221175A - Pelletized portland cement :
en
- US2221323A - Apparatus and method for testing and assorting thin rubber goods :
en
- US2221462A - Hydraulic control valve :
en
- US2221692A - Separation process :
en
- DE698730C - Flame tube boiler with water circulation pipes :
de
en
- CA392416A - Parachute :
en
fr
- DE673732C - Device for separating and feeding the top sheet of a stack to a processing machine :
de
en
- AT159793B - Process for the treatment of cultivated plants or cultivated soils. :
de
en
- AU1760844A - Improvements in and relating to wrenches :
en
- CA12897S - Tractor tyre tread :
en
- US2220886A - Fluid heat exchange apparatus :
en
- US2221165A - Conversion of lower molecular weight hydrocarbons into higher molecular weight hydrocarbons :
en
- US2221511A - Resinous composition and method of making the same :
en
- US2221716A - Manufacture and production of staple fiber :
en
- US2221705A - Fluid drive for vehicle wheels :
en
- FR50475E - Pneumatic purification table :
en
fr
- FR858005A - Winding wire guide drum :
en
fr
- FR858088A - Bag printing process or others :
en
fr
- DE698474C - Process for the preparation of an adhesive for fungicides and insecticides :
de
en
- US2220938A - Beading mechanism :
en
- US2221038A - Molded flooring material :
en
- US2221506A - Shooting and cap exploding toy gun :
en
- US2221238A - Suction cup :
en
- CH212253A - Extrusion press for processing plastic plastics such as rubber, etc. :
de
en
- US2221078A - Headlight beam indicator :
en
- CH212279A - Arc converter with electrodes in flowing gas. :
de
en
- US2221340A - Process for the separation of dihydro-equilin and estradiol :
en
- US2221427A - Swab :
en
- FR857969A - Indicator device for permanent indication echosensor :
en
fr
- US2221020A - Azo compounds and material colored therewith :
en
- US2221127A - Temperature control means for gear cutting :
en
- US2221256A - Magnesium base alloy :
en
- US2220973A - Electron microscope :
en
- US2220934A - Alloy steel articles :
en
- US2220947A - Piston ring :
en
- US2221071A - Pump :
en
- US2220925A - Separation of materials of different specific gravities :
en
- US2221380A - Method of renovating used oil and system containing same :
en
- DE698475C - Four-stroke internal combustion engine with a combustion chamber arranged in the cylinder head :
de
en
- CH212238A - Sub-storage in measuring devices such as electricity meters. :
de
en
- DE698531C - Shower head with an insert plug that can be adjusted by hand in the longitudinal direction of the head :
de
en
- SE100266C1 - :
en
sv
- US2221467A - Focusing and separation of charged particles :
en
- CH212177A - Risp device for warping or clipping machines. :
de
en
- USD123530S - Ewart
pneumatic tire :
en
- US2220909A - Cathode sleeve for thermionic valves :
en
- US2220984A - Shaft packing :
en
- US2221227A - Curler :
en
- US2221421A - Athletic implement and method of making the same :
en
- US2221425A - Conversion of hydrocarbon oils into gasoline :
en
- DE698566C - Device for producing a multilayer, shatterproof glass :
de
en
- DE698681C - Building mass bound by cement or sorel cement :
de
en
- FR857978A - Mask for filtering or insulating breathing apparatus :
en
fr
- GB528976A - Improvements in or relating to typewriting and like machines :
en
- US2221039A - Door operating mechanism :
en
- USD123546S - Diaper pantee or similar article :
en
- DE698689C - Device for cold drawing of pipes :
de
en
- AU111847B2 - Improvements in or relating to magneto-strictive echo sounding apparatus :
en
- FR858023A - Device for spherical turning :
en
fr
- FR857990A - Improvements in the mills :
en
fr
- GB529032A - Improvements in or relating to corner beads for use in plastering and like operations :
en
- DE698478C - genuine lead powder :
de
en
- CA392451A - Filament manufacturing apparatus :
en
fr
- CH212334A - Process for the production of a nitrogen-containing naphthalene derivative. :
de
en
- GB529089A - Improved metal netting particularly applicable to fencing and reinforcing structuresand a method of producing the same :
en
- GB529181A - Improvements in and relating to furniture and like structures :
en
- DE698747C - Process for the production of vacuum flasks :
de
en
- CA392525A - Hide preparing process :
en
fr
- AU111860B2 - Improvements in or relating to rubber composition and method of preserving rubber :
en
- NL89281B - :
en
- AU122613B2 - Improvements inthe curing and packaging of cheese :
en
- CH212240A - Optical device for color photography and cinematography. :
en
fr
- US2221284A - Pipe coupling :
en
- US2221548A - Method of making propeller blades :
en
- US2221200A - Method and apparatus for forming articles from paper pulp :
en
- US2221395A - Control mechanism for elevators :
en
- US2221670A - Gas-insulated electric device :
en
- US2221367A - Manufacture of laminated glass :
en
- US2221644A - Luminescent device :
en
- AU122669B2 - Method of and means for building concrete structures :
en
- CH212242A - Waterproof watch box. :
en
fr
- FR858083A - Improvements to motion transmission devices :
en
fr
- GB529091A - Apparatus for making electrolyte material for electric cells :
en
- DE698664C - Optical device for flame spectral analysis :
de
en
- US2221279A - Multiple-boring machine :
en
- CH212317A - Bicycle stand. :
de
en
- CH212167A - Device on a deck chair. :
de
en
- DE698680C - Process for obtaining mechanically strong slags :
de
en
- GB529053A - Improvements in or relating to statistical machines photoelectrically controlled by records :
en
- DK58141C - Procedure and Apparatus for Treatment of Domestic Waste. :
da
en
- CH212330A - Process for the preparation of a pregnen-3-ol-20-one derivative. :
de
en
- FR858019A - Holding device for objects to be suspended in galvanic baths :
en
fr
- US2221732A - Bobbin support :
en
- AU1097843A - Improvements inthe curing and packaging of cheese :
en
- DE698597C - Process for the production of ethyleneimides of organic sulfonic acids :
de
en
- DE698683C - Steel for objects that have to be resistant to the decarburizing attack of gases :
de
en
- AU122651B2 - Apparatus for separating suspended particles from gaseous media :
en
- CA392497A - Door pre-lift device :
en
fr
- DE698617C - Use of a zinc alloy :
de
en
- DE698749C - Floor care device :
de
en
- AU111852B2 - Improvements in or relating to looms with stationary weft supplies :
en
- US2221365A - Electrical control for steam mooring winches :
en
- DE698463C - Device for generating carbon black :
de
en
- US2221009A - Spring clip device :
en
- US2221092A - Change speed device :
en
- US2221493A - Undergarment :
en
- US2221101A - Locking device :
en
- US2221401A - Fertilizer distributor :
en
- USD123562S - Design for a wallpaper :
en
- DE698498C - Process for the reduction of crude phenols :
de
en
- DE698731C - Device for laying out the from a printing machine :
de
en
- FR857972A - Process for the production and recovery of branched chain aliphatic compounds :
en
fr
- CA392507A - Aluminothermic smelting process :
en
fr
- NL49673C - Lasch for a ring or arc-shaped mine lining :
en
nl
- US2221569A - Direct current welding with tube control :
en
- US2221663A - Polymeric dimethallyl maleate :
en
- CH212267A - Cooled injector. :
de
en
- US2221110A - Lock mechanism :
en
- CH212155A - Bath shower. :
de
en
- DE698511C - plastic molded plastic parts :
de
en
- GB529111A - Improvements in or relating to dental equipment stands :
en
- US2221434A - Method of and means for treating plants :
en
- US2221481A - Electric control mechanism for bread wrapping machines :
en
- US2221072A - Coin rack :
en
- US2221378A - Plastic and process for producing same :
en
- US2221699A - Bean slicer :
en
- DE698699C - Device for determining the active component of the residual current to earth fault in networks with earth fault extinguishing devices :
de
en
- ES4604Y - A scale for agricultural and commercial uses :
en
es
- AT159770B - Arrangement for amplifying or converting wave radiation. :
de
en
- AU298239A - Improvements relating to carrier wave transmission systems :
en
- USD123538S - Design fob a dress :
en
- USD123540S - Design for a golf exerciser :
en
- US2221436A - Skiving machine :
en
- DE698499C - Vaults, especially for bridges :
de
en
- US2221245A - Magnesium base alloy :
en
- USD123520S - Design fob a dress :
en
- US2221454A - Mining machine :
en
- US2221494A - Spraying machine :
en
- USD123536S - Design for a dress :
en
- FR858090A - Process for de-inking printed papers for their transformation into pulp :
en
fr
- GB529082A - Improvements in chromanes and method of producing the same :
en
- GB529149A - Improvements in and relating to thermal safety devices for electric heating elements :
en
- GB529176A - Improvements in or relating to the arrangement of vertical-shaft centrifugal pumps with direct coupled electric driving motors :
en
- US2221063A - Indication for cash registers and accounting machines :
en
- DE698473C - Hydraulic or pneumatic relay :
de
en
- DE698604C - Switching device controlled by differences in liquid levels :
de
en
- GB529067A - Process for the manufacturing of rubber floor covering and rubber floor coverings manufactured according to said process :
en
- GB529128A - Magnesium carbonate composition and method of preparation :
en
- US2221623A - Treatment of manganese :
en
- US2220893A - Closure device for container opening :
en
- US2221709A - Borosilicate glass :
en
- CA392460A - Speed gear :
en
fr
- AU494739A - Improvements in or relating to electrical oscillation generators :
en
- US2221116A - Degenerative amplifier circuit :
en
- DE698687C - Machine for raising cross floors on paper bags :
de
en
- CH212345A - Process for the preparation of a new ester of the dihydrooestrine series with a free phenolic hydroxyl group. :
de
en
- CA392429A - Ventilator :
en
fr
- GB529140A - Improvements in dyeing or printing with anthraquinone derivatives :
en
- CH212361A - Process for preparing a water-soluble sulfonic acid amide compound. :
de
en
- GB529200A - Improvements in and relating to means for erecting cartons :
en
- GB529228A - Improvements in or relating to decorative fabrics and fabric-covered panels :
en
- US2221711A - Printing and bead forming device :
en
- US2221377A - Substituted ammonium salts of sulphocarboxylic acid esters :
en
- US2221725A - Spindle and mounting :
en
- DE698668C - Device for the intermittent advancement of long metal sheets in sheet metal processing machines :
de
en
- US2221180A - Automatic transmission gear with no-back :
en
- CA392411A - Fishing lure :
en
fr
- GB528903A - Improvements in or relating to the combustion spaces of internal combustion engines :
en
- US2220982A - Cleaning anode :
en
- CA392528A - Photographic layer :
en
fr
- GB529054A - Manufacture of amino-acid amidines :
en
- FR858057A - Improvements in the manufacture of calcium hypochlorite :
en
fr
- DE698508C - Device for excavating an endless ribbon of glass from the molten mass :
de
en
- FR857951A - Electron tube, in particular electron ray tube :
en
fr
- US2221486A - Guard for rotary machines :
en
- FR858013A - Support consoles for liquid manure barrels :
en
fr
- DE698535C - Process for the production of strips, springs or sheets with strong spring force from rustproof chrome steels :
de
en
- DE698568C - Turning device for heavy internal combustion engines :
de
en
- GB528930A - Improvements in gudgeon pins :
en
- FR858049A - Continuous dryer for fish and other products presented on racks, baskets, swings, etc. :
en
fr
- GB529038A - Improvements in apparatus for recording in motion and other data relating to machines :
en
- GB529048A - Improvements in automatic switches for use in telephone or like systems :
en
- GB528932A - Improvements in or relating to lifting jacks :
en
- DE698676C - Rear suspension for bicycles, especially for motorcycles :
de
en
- FR50499E - Electrically operated valve for pressurized fluids :
en
fr
- US2221715A - Rotary mill :
en
- US2220968A - Magnetron oscillator and modulation means therefor :
en
- US2221682A - Apparatus for treating fruit :
en
- DE698576C - Sealing device :
de
en
- US2221475A - Siding unit :
en
- US2221441A - Coating evening means for paper laminating machines :
en
- CH212266A - Fuel feed pump. :
de
en
- CH212342A - Process for the preparation of 1,4-bis-phenyl-piperidine-4-carboxylic acid nitrile. :
de
en
- US2221416A - Checker construction :
en
- DE698467C - Thermometer arrangement on roasting, oven doors or the like. :
de
en
- FR50493E - Improvements to discharge tubes :
en
fr
- FR858011A - Crankshaft for internal combustion engines and the like :
en
fr
- FR858017A - Process for manufacturing partially dehydrated copper sulphate :
en
fr
- USD123500S - Combined container and soap and cosmetic display :
en
- AT159782B - Method for soldering in a reducing gas atmosphere, in particular in purified hydrogen. :
de
en
- AU122611B2 - Improvements relating to the supply of air-fuel mixture to internal combustion engines :
en
- AU547439A - Improvements in straw walkers for harvesting machines :
en
- AT159772B - Electrical high-speed switch with overcurrent release, especially automatic socket. :
de
en
- US2221726A - Railway track circuit apparatus :
en
- USD123498S - Design for a bait pennant :
en
- ES4544Y - Capping device :
en
es
- US2221446A - Comb :
en
- DE685600C - Process for dewatering chopped potatoes and beetroot :
de
en
- GB529105A - Improvements in or relating to building bricks :
en
- US2221100A - Fluid actuated tool :
en
- CA392519A - Cellulose derivative processing composition :
en
fr
- CH212249A - Thread holder. :
de
en
- US2221412A - Power transmission :
en
- CH212221A - Ski. :
de
en
- DE698746C - Device for dispensing powdery or powdery substances :
de
en
- DE698519C - Process for the production of a mother plate for screens or other perforated metal objects :
de
en
- GB529215A - A device for coupling together a series of blind rollers to enable them to be controlled by a single operating means :
en
- US2221255A - Magnesium base alloy :
en
- CH212142A - Plant container. :
de
en
- CA392441A - Liquid dispensing apparatus :
en
fr
- AU111865B2 - Improvements in or relating to circuit-arrangements comprising an inductance provided withan iron core :
en
- CH212331A - Process for the production of a nitrogen-containing naphthalene derivative. :
de
en
- DE698627C - naelen, at the mouths of which the tooth gaps coming from the suction side pass :
de
en
- FR50485E - Supercharged internal combustion engine :
en
fr
- CH212172A - Process for the production of threads from viscose. :
de
en
- DE698525C - Device for utilizing air forces and for balancing cross winds and lateral gusts and for achieving better cornering in motor vehicles :
de
en
- CH212200A - Process for the preparation of di- (p-aminobenzenesulfone) -amide. :
en
fr
- CH212325A - Machine gun mounts on aircraft. :
de
en
- DE698509C - Permanent hair wave device with a heating chamber containing chemical, exothermic substances :
de
en
- FR50461E - Improvements in the industry for transforming organic materials into usable nitrogen derivatives and fat decay products by means of artificial digestion :
en
fr
- FR858069A - Improvements in the assembly of handles or the like of window regulators or others :
en
fr
- CH212245A - Magnetic separator. :
de
en
- DE698546C - Process for producing an amidine :
de
en
- DE698605C - Device for modulating optical beams :
de
en
- US2220932A - Alloy steel articles :
en
- US2221375A - Self-luminous locator :
en
- CH212194A - Process for the production of condensation products of formaldehyde. :
de
en
- DE698711C - Jet pipe force switch :
de
en
- CA392483A - Metallic soap :
en
fr
- US2221233A - Faucet :
en
- DE698734C - Bone conduction telephone for the transmission of sound energy generated by a vibrating crystal via the skull bones to the inner ear :
de
en
- FR858007A - Improvements to nuts :
en
fr
- AT159788B - Device for quench hardening of rail heads or a longitudinal surface of similar elongated workpieces. :
de
en
- DE698757C - Bearing body for the installation of ball, roller, joint or similar bearings :
de
en
- US2221442A - Utensil washing machine :
en
- US2221578A - Parking meter :
en
- CA392520A - Radio tone control system :
en
fr
- US2221204A - Cementing plug :
en
- US2221221A - Rotary soil tiller :
en
- CH212343A - Process for the preparation of a nitrogen-containing naphthalene derivative. :
de
en
- CH212251A - Device on machine tools for lifting a back and forth cutting tool when reversing. :
de
en
- AU111843B2 - Shortwave radio transmitter :
en
- US2221592A - Tension control system :
en
- DE698608C - Plug pulling device :
de
en
- US2221612A - Speed regulator :
en
- FR858080A - Improvements to hydraulic jacks and similar devices :
en
fr
- US2220936A - Watchman's signal and alarm system :
en
- US2221742A - Rubber molding press :
en
- CA392467A - Die forming method :
en
fr
- CA392512A - 4-aminobenzene-sulphonamide :
en
fr
- AT159778B - X-ray diaphragm device with at least two adjustable individual diaphragms. :
de
en
- AU491539A - Improvements in liquid dispensing systems :
en
- FR857979A - Oscillating lane motor with twin compressed air control :
en
fr
- US2221186A - Power dividing differential mechanism :
en
- US2221719A - Straw collecting device :
en
- US2221352A - Fuel vaporizer :
en
- US2221119A - Guard for razors and hair clippers :
en
- US2221696A - Apparatus for forming a woven wire belt :
en
- USD123554S - Design for a wallpaper :
en
- CA392466A - Elastic yarn making apparatus :
en
fr
- CH212165A - Suspension of a seat or lying surface of upholstered furniture. :
de
en
- US2221164A - Combustion control :
en
- US2221524A - Electric valve circuit :
en
- US2221645A - Game apparatus :
en
- CA392506A - Building block :
en
fr
- US2221249A - Magnesium base alloy :
en
- GB529086A - Improvements in road studs :
en
- CA392495A - Railway car :
en
fr
- US2221004A - Means for producing montage type prints :
en
- US2220891A - Ammonium nitrate explosive composition :
en
- US2221734A - Means for feeding work in automatic screw machines :
en
- US2220996A - Automatic ratio selector for electrically controlled gear shifting mechanism :
en
- US2221149A - Compressor :
en
- US2221055A - Apparatus for preparing a film strip for the inspection of a series of consecutive impressions of light on the sensitive layer of same :
en
- US2221664A - Safety lock :
en
- FR50452E - Pneumatic braking device, particularly applicable to rail vehicles :
en
fr
- FR858081A - Improvements to speed-adjustable braking devices :
en
fr
- GB529010A - Improvements in centralizers for percussive rock drill steels :
en
- GB529136A - Improvements in or relating to contact structures for electric circuit breakers :
en
- CA392481A - Gripping device :
en
fr
- CH212298A - System for carrier-frequency messaging. :
de
en
- GB529133A - Improvements in or relating to electric watthour meters :
en
- CA392501A - Shoe ornamenting method :
en
fr
- FR50455E - Oenological process and devices carrying out a nycthemeral and perfected wine production :
en
fr
- AT159781B - Machine for pre- and post-polishing of hollow rollers, especially pressure rollers. :
de
en
- CA392445A - Fuel ignition apparatus :
en
fr
- AT159800B - Process for the production of single and multi-colored overhead and see-through images. :
de
en
- CA392479A - Synthetic thread and fibre production :
en
fr
- DE698652C - Process for the electrical welding of seams on workpieces, in particular on thin sheets of any metal, and device for its implementation :
de
en
- DE698557C - Process for closing high-voltage circuits with the help of controlled gas or vapor-filled discharge vessels :
de
en
- USD123474S - Design for a lace :
en
- USD123550S - Design fob a wallpaper :
en
- US2221109A - Electric sign system :
en
- CH212191A - Process for the preparation of a ketone of the cyclopentanopolyhydrophenanthrene series. :
de
en
- CH212198A - Process for the separation of phenols from phenol-containing products, in particular from tar oils and the like. :
de
en
- US2221597A - Heat treating :
en
- AT159779B - Clamping piece for connecting the current lead to electrical collectors. :
de
en
- CH212350A - System for achieving a cycle of purified air in common rooms for the collective protection of people against poison gas. :
de
en
- US2220894A - Luminous material and intensifying screen for x-rays and a method for manufacturing the same :
en
- USD123519S - Design for a dress :
en
- US2221346A - Air diffusing means :
en
- US2221435A - Container filling machine :
en
- US2221712A - Safety casement sash upper lock :
en
- AU495439A - Improvements in or relating to magneto-strictive echo sounding apparatus :
en
- CH212179A - Web shuttle with built-in weft coil sensor. :
de
en
- US2221178A - Signal device :
en
- US2221718A - Exchangeable heel :
en
- CH212180A - Knitting process and machine for performing the same. :
de
en
- DE698470C - Display or printing device for scales :
de
en
- FR858054A - Shoemaking method and apparatus for use in preparing ends for assembly :
en
fr
- GB528933A - Improvements in or relating to lifting jacks :
en
- GB528973A - Improvements in or relating to group-control mechanism for record-controlled statistical machines :
en
- GB528985A - Improvements in and relating to racket stringing machines :
en
- AT159752B - Remote compass. :
de
en
- CH212166A - Chair seat. :
de
en
- US2221088A - Marking or setting out tool :
en
- CH212285A - Process for the preparation of a molecular compound. :
de
en
- GB529068A - Improvements in or relating to electric switches operated through ratchet mechanism :
en
- US2221620A - Copper smelting :
en
- CA12898S - Printed textile material :
en
- US2221624A - Treatment of manganese alloys :
en
- AT159799B - Mouldable compounds, films, varnishes, adhesives and application compounds of all kinds. :
de
en
- AU247339A - Improved suction or vacuum cleaners :
en
- CH212237A - Upper bearings in sensitive instruments such as electricity meters. :
de
en
- US2221314A - Hair cutting implement :
en
- US2221324A - Control device :
en
- AU111835B2 - Improved apparatus for dosing flush systems :
en
- US2221321A - Colostomy appliance :
en
- USD123491S - Smith
juvenile. swing :
en
- FR858091A - New construction process, buildings obtained using this process, as well as the elements and blocks used for the construction :
en
fr
- CA392422A - Ventilating window sash :
en
fr
- US2221054A - Automobile headlighting :
en
- US2221223A - Refrigerant control system :
en
- CH212284A - Method for mixing specific heavy fuel gases with air and device for carrying out the method. :
de
en
- US2221420A - Article of manufacture :
en
- CH212341A - Process for the preparation of 1-benzyl-4-phenyl-piperidine-4-carboxylic acid nitrile. :
de
en
- AT159794B - Alloyed steel. :
de
en
- DE698447C - Diaphragm pressure regulator for internal combustion engines operated with compressed gas :
de
en
- AU111863B2 - Improvements in and relating to electric radiators :
en
- AU1339044A - Stabilizer for fire extinguishing foam :
en
- CH212207A - Coated paper for printing and method of making this paper. :
en
fr
- CA392425A - Handsaw :
en
fr
- DE698569C - Photoelectric musical instrument :
de
en
- DE698614C - Process for processing high molecular weight polymers :
de
en
- US2221032A - Polyvinyl acetal resin compositions containing butoxyethyl butoxyacetate :
en
- CH212308A - Device for the mechanical filling of packages with identical products. :
en
fr
- US2221196A - Front axle of rear-motored automobiles :
en
- CH212259A - Drive of a movable spindle. :
de
en
- US2221653A - Railway track circuit apparatus :
en
- USD123471S - Design for an indicating instrument :
en
- CH212170A - Device with germ filter for ventilating an airtight container filled with sterile liquid. :
de
en
- AU1675444A - Method of and means for building concrete structures :
en
- AU37840A - Improvements in or relating to beverage brewing devices :
en
- CA392464A - Fireplace :
en
fr
- CA392471A - Asbestos and glass fibre yarn :
en
fr
- DE698631C - Closure for motor vehicle doors u. like :
de
en
- DE698659C - Use of an alloy for casting bells :
de
en
- US2221085A - Engine starter :
en
- US2221231A - Hack saw frame :
en
- US2221423A - Refrigerating apparatus :
en
- US2221657A - Method of making engine valves :
en
- CA392502A - Shoe pounding apparatus :
en
fr
- GB528962A - Improvements in and relating to the manufacture of synthetic resins :
en
- CH212158A - Base plate for doors with a built-in door closer, especially for swing doors. :
de
en
- CA392437A - Chlorine production :
en
fr
- NL49629C - :
en
- CH212233A - Fluid flow meter with rotor rotating under the action of the fluid. :
en
fr
- CH212328A - Cutlery holder to be attached to dishes. :
de
en
- CH212140A - Knife head joint on mowers. :
de
en
- DE698585C - abel :
de
en
- US2221210A - Filter for dry cleaner solvents :
en
- US2221150A - Controlling hydraulically actuated devices :
en
- US2221599A - Shaver-type motor :
en
- US2221497A - Ventilator :
en
- US2221555A - Apparatus for covering cores :
en
- US2221662A - Polymeric esters of unsaturated polycarboxylic acids with ethynyl carbonyls having at least one hydrogen atom attached to the alkynyl carbon atom :
en
- US2221635A - Portable pump and electric motor unit :
en
- US2221445A - Stove support :
en
- AU111846B2 - Improvements in or relating to electron multipliers :
en
- CA392431A - Map making apparatus :
en
fr
- DE698541C - Device for tilting the car body of motor vehicles when cornering :
de
en
- DE698646C - High-frequency amplifier with feedback from an oscillation circuit to an equally tuned oscillation circuit located in a preceding tube stage :
de
en
- DE698767C - Airplane wing with double slotted landing flap :
de
en
- AU111857B2 - Washing machine :
en
- CA392413A - Yarn package treating process :
en
fr
- CH212339A - Process for the preparation of an aldehyde of the cyclopentanopolyhydrophenanthrene series. :
de
en
- US2221046A - Animal stall :
en
- US2221502A - Process of forming screens :
en
- US2221565A - Cutting tool for plaster casts :
en
- USD123557S - Design foe a wallpaper :
en
- CH212138A - Agricultural tractor. :
de
en
- CH212173A - Device for the production of staple fiber tops from endless artificial fiber ribbons. :
de
en
- CA392418A - Stove baffle :
en
fr
- CA392465A - Container filling machine :
en
fr
- US2221580A - Relay circuit :
en
- US2221629A - Reflecting electric lamp :
en
- US2221683A - Process for the purifying of liquids with the aid of active carbonaceous colloids :
en
- US2221570A - Electromagnetic testing system :
en
- DE698581C - Process for the preparation of a citric acid soluble phosphate fertilizer :
de
en
- FR857966A - Process for obtaining protective coatings on magnesium and magnesium alloys which can be colored :
en
fr
- USD123496S - Design for a chair base :
en
- DK58142C - Method and Apparatus for continuous extraction. :
da
en
- GB528916A - Improvements relating to the tuning of wireless receivers :
en
- GB528995A - Improvements in or relating to latches :
en
- FR858010A - Process for producing electroplated chromium coatings :
en
fr
- US2221126A - Flashlight :
en
- USD123479S - Design for a case for clocks or
similar articles :
en
- FR857975A - Improvements to skis :
en
fr
- GB529118A - Improvements in and relating to electric fuses :
en
- USRE21621E - Wire spring fob cushioned seats :
en
- DE685985C - Method for joining wooden blocks to form wooden panels :
de
en
- AT159765B - Two-stage rotary lobe vacuum pump with sickle-shaped working spaces and radially or approximately radially movable working slides. :
de
en
- GB529155A - An improved pull fastener :
en
- US2221717A - Air cleaner :
en
- FR858059A - Use of a musical frequency current flowing through direct and alternating current installations :
en
fr
- GB528979A - Improvements in or relating to electron discharge tubes :
en
- GB529035A - Improvements in the manufacture of artificial resins :
en
- USD123495S - Combined case and holder for a bottle of -perfume or the like :
en
- FR50481E - Improvements to the methods and processes used in the treatment of celluloses and peats for the recovery of sugars and products formed during treatment :
en
fr
- GB529143A - Improvements in work stops for automatic lathes :
en
- GB529123A - Improvements relating to metal vapour electric discharge lamps :
en
- US2220923A - Drafting instrument :
en
- US2221326A - Protective device for clamp screws :
en
- FR857959A - Improvements to automotive vehicle braking systems :
en
fr
- FR857971A - Improvement of chain unwinders for looms :
en
fr
- CH212283A - Device for controlling the passage of current through dry rectifiers. :
de
en
- DE698762C - Device for optical copying of transparencies :
de
en
- CA392482A - Measuring tape :
en
fr
- FR50495E - Improvements to hydraulic compressors :
en
fr
- GB529116A - Improvements in and relating to sheet metal underframes for gas cookers and the like :
en
- US2221084A - Engine starter :
en
- DE698682C - Process for the production of nailable shaped stones, especially for floor supports :
de
en
- GB529051A - Improvements in or relating to sheet-feeding mechanism for printing machines :
en
- US2221305A - Dry mop :
en
- DE698503C - Connector :
de
en
- DE698763C - Process for the production of additively reproduced color films by recording by means of beam splitting and bipack films :
de
en
- GB529097A - Improvements relating to electric time-switches :
en
- GB529229A - Improvements in, or relating to, devices for indicating continuously the ratio between two independent variables :
en
- GB529036A - Improvements in or relating to casings for apparatus for operating upon shoe parts :
en
- DE698708C - Cooling cell with a steam outlet opening for projector, closed by a safety valve :
de
en
- FR50478E - Equipment for the rational extraction and saturation of juices, mainly from sugar refineries or cider mills :
en
fr
- GB528982A - Improvements in and relating to grinding machines :
en
- FR858002A - Process for improving cellulose yarns and fabrics :
en
fr
- GB528939A - Improvements in carburettors for internal-combustion engines :
en
- DE698574C - Fine filter materials for breathing apparatus with ultraviolet light and with air or with air-oxygen mixtures :
de
en
- DE698759C - n, especially tough lubricants :
de
en
- DE698675C - Device for vehicles for observing lane lines that are hidden from view, especially for motor vehicles :
de
en
- DE698686C - Screw slot clamp for electrical lines :
de
en
- FR858062A - Mechanical seed drill :
en
fr
- GB529071A - Improvements relating to lids for saucepans or like utensils :
en
- US2221449A - Rear vision mirror :
en
- US2221450A - Refrigerating apparatus :
en
- US2221619A - Electrical induction apparatus :
en
- US2221438A - Refrigerating apparatus :
en
- DE698761C - Hollow upholstery needle :
de
en
- FR858071A - Spiral knife cutter for wood and other materials :
en
fr
- GB529125A - Improvements in and relating to the method of producing on a straight-bar knitting frame a stocking having a french foot the sole portions of which are knit in connection with the heel portions in one operation :
en
- GB529119A - Improvements in and relating to electric discharge lamp circuits :
en
- CA392432A - Clamping device :
en
fr
- AT159768B - Ultra-short wave tube. :
de
en
- CH212220A - Tennis racket. :
en
fr
- ES4608Y - Reflector for lighting apparatus :
en
es
- CA392410A - Variable speed drive :
en
fr
- US2221201A - Speed governing mechanism :
en
- US2220905A - Oxygen regulator :
en
- US2221330A - Alarm device for automobiles :
en
- US2221270A - Phonograph record disk :
en
- US2221060A - Blotter attachment for pens :
en
- USD123558S - Design for a shirt :
en
- CH212313A - Engine cover on streamlined vehicles with a rear engine. :
de
en
- CH212219A - Teaching aid to visualize the dependence of the electrical resistance on the specific resistance and the geometric dimensions. :
de
en
- DE698540C - Process for the production of canned sauerkraut :
de
en
- US2221476A - Slide rule :
en
- USD123509S - Design for a drink mixer :
en
- FR858045A - Precision torque wrench :
en
fr
- FR858096A - Hardening process for steel and other alloys :
en
fr
- GB528988A - Improvements in and relating to pneumatic apparatus for raising liquids :
en
- CH212289A - Process for the production of a disinfectant. :
de
en
- DE698477C - Device to achieve the same hardness and smoothness at all points during the electrolytic copper plating of printing cylinders and rollers :
de
en
- US2221033A - Polyvinyl acetal resin sheets containing di-isoamyl sulphone :
en
- US2221600A - Electrostatic voltmeter :
en
- US2221392A - Core catcher :
en
- US2221503A - License plate holder :
en
- US2221700A - Noise limiting circuit :
en
- US2221745A - Suction sweeper :
en
- GB529022A - Improvements in sedimentation apparatus :
en
- GB529219A - Improvements relating to flame-proof electric plugs :
en
- US2220960A - Carton forming machine :
en
- US2221735A - Insertable tooth metal saw :
en
- US2221567A - Turbogenerator rotor :
en
- US2220895A - Glow discharge device :
en
- USD123516S - Design for a combined perfume box :
en
- US2221368A - Shipping carton :
en
- USD123482S - Design for a towel hanger or sim-
ilar article :
en
- DE698563C - Device for operating Roentgen tubes, in which the current feeding the Roentgen tubes is taken from a condenser :
de
en
- CA392475A - Hosiery :
en
fr
- DE698472C - Device for keeping constant and regulating the working speed of statically acting material testing machines with hydraulic drive :
de
en
- DE698775C - Process for coloring objects made of halogen-containing vinyl polymers :
de
en
- US2220959A - Scum remover :
en
- US2221191A - Water color box :
en
- FR50463E - Method of actuating signals in railway signaling installations by track circuits, and application devices :
en
fr
- FR857974A - Method for performing photographic enlargements, in particular for high enlargement ratios :
en
fr
- FR858004A - Secondary treatment process for suspensions of sulphurous condensation products :
en
fr
- DE698670C - Cinema gripper adjustable to different switching heights :
de
en
- GB529008A - Improvements in method and apparatus for carburetting air for internal combustion engines :
en
- DE698521C - Envelope, bag or the like :
de
en
- DE698506C - Electric gas switch :
de
en
- DE698518C - Metallic sealing body, which seals by pressure and permanent deformation :
de
en
- US2221106A - Electric battery :
en
- US2221166A - Variable speed drive :
en
- DE698456C - Contact spring arrangement :
de
en
- DE698703C - :
de
en
- CH212176A - Thread damper on winding machines. :
de
en
- DK58150C - Method and apparatus for making a foot of glass or glassy material for airtight closure of containers. :
da
en
- GB529160A - Improvements in, and connected with, saddles for cycles :
en
- IE15944L - Luminescent materials :
en
- GB528958A - Improvements in or relating to the control of electric induction motors :
en
- FR857988A - Flexible ducts for vacuum cleaning devices :
en
fr
- GB529101A - Improvements relating to cooling thermionic valves :
en
- DE698606C - Device for the optional operation of a combustion system with natural or artificial draft :
de
en
- GB529183A - Electron discharge device employing successive multiple secondary emissions :
en
- GB529204A - Improvements in or relating to open metal flooring and the like :
en
- US2221729A - Valve :
en
- AT159767B - Device for regulating pressure in rotary lobe compressors. :
de
en
- FR857954A - Sewing Machine Improvements :
en
fr
- CH212223A - Construction game. :
en
fr
- CA392487A - Styphnic acid and salt :
en
fr
- US2221048A - Support for floor screeds :
en
- US2221733A - Cone and nicker arrangement for cigar machines :
en
- US2221161A - Treatment of naphthene base oil :
en
- AT159753B - Theodolite. :
de
en
- AT159796B - Process to make textile fibers washable and water-repellent. :
de
en
- GB529062A - Improvements in typographical slug casting machines :
en
- GB529210A - A process for splitting up mixtures of chemically related organic substances :
en
- CA392442A - Graining machine :
en
fr
- ES4649Y - A pocket letter scale :
en
es
- FR50458E - Method for detecting or measuring variations in capacitance of a capacitor and application to the gauging of liquids, to the measurement or comparison of liquid levels, or of fluid pressures :
en
fr
- FR858067A - Improvements to cycle derailleurs :
en
fr
- GB529044A - Improvements in electric circuits comprising electronic discharge devices :
en
- CA392527A - Condenser electrode manufacture :
en
fr
- US2221393A - Variable speed control :
en
- US2221339A - Utilization of metallo-organic compounds for treatment of circulating waters and surfaces coming into contact with water :
en
- US2221559A - Process for bleaching oils, fats and waxes :
en
- DE698642C - Process for the separation of mixtures of polyhydric alcohols :
de
en
- FR857962A - Process for making stripes for small caliber guns :
en
fr
- US2221260A - Machine for grinding crankshafts :
en
- FR857960A - Advanced vault :
en
fr
- GB529187A - Improvements in and relating to sheet metal pulleys :
en
- AU111854B2 - Method of and means for testing eyes :
en
- CH212282A - Arrangement on power converter systems in which the individual power converters are supplied with alternating voltages shifted in phase with the help of transformers to compensate for harmonics. :
de
en
- US2221120A - Closure :
en
- US2221499A - Sound-deadening composition :
en
- US2221665A - Periodic wave generator :
en
- US2220962A - Pervious resilient material :
en
- US2221479A - Belt tightener of the spring type :
en
- CH212287A - Process for the preparation of a durable product from an 0-acyloxy-benzenecarboxylic acid and a quinine salt. :
de
en
- DE698700C - Arrangement for reducing the control power of direct current generators :
de
en
- GB529218A - Improvements in or relating to steam generators :
en
- DE698637C - Cutting device for bricks :
de
en
- GB529205A - Improvements in creeling arrangements for warping machines :
en
- US2221574A - Machining tool :
en
- CH212146A - Device for protecting houses, pillars, etc. against contamination by dogs. :
de
en
- ES4653Y - A new cap that allows the liquid to be poured into the bottle :
en
es
- FR50466E - Air mine launching and priming system for all applications :
en
fr
- GR9337B - METHOD OF MANUFACTURE OF RESIN CONCENTRATION PRODUCTS. :
el
en
- US2220877A - Dispensing apparatus :
en
- US2221042A - Horse collar :
en
- USD123560S - Design for a dress :
en
- US2221406A - Animal trap :
en
- US2221584A - Control system :
en
- US2220967A - Door closing and checking device :
en
- CH212185A - Suspender. :
en
fr
- DE698492C - Device for resilient interception of landing areas :
de
en
- DK58152C - Discharge tube for atomic transformation. :
da
en
- GB528992A - Improvements in and relating to sliding members of sliding clasp fasteners :
en
- AU122652B2 - Improvements in apparatus for measuring and dispensing liquids :
en
- AU122668B2 - Improvements in mobile cranes :
en
- CH212262A - Rotary lobes of rotary lobe compressors provided with compressor blades rigidly connected to one another. :
de
en
- DE698777C - Drafting system with two endless straps working together :
de
en
- FR858009A - Device for pumping milk :
en
fr
- GB528917A - Improvements relating to the waterproofing of tunnels and underground chambers :
en
- US2221131A - Nitro-dyestuffs and process of preparing them :
en
- DE698657C - Device for taking up drop stitches in knitted and hosiery goods :
de
en
- US2221276A - Direction indicator switch :
en
- US2221554A - Sealed bearing :
en
- DE698479C - Process for anodic oxidation of aluminum and its alloys :
de
en
- DE698524C - Vehicle with independently supported wheels guided by handlebars :
de
en
- FR50467E - Remote clutch control system by compressed air, known as constant pressure :
en
fr
- CH212156A - Safety locking device. :
de
en
- CA392414A - Gaff hook :
en
fr
- US2220939A - Foldable closure :
en
- US2221708A - Preparation of urea-formaldehyde resin :
en
- US2221356A - Manufacture of alkall phosphates :
en
- US2221006A - Method of making toilet seats :
en
- US2221432A - Pulley :
en
- US2221679A - Method of making elastic fluid turbine buckets :
en
- DE698526C - Height-adjustable steering wheel for motor vehicles :
de
en
- GB528969A - Improvement in making composite metals :
en
- GB529157A - Improvements in or relating to conveyor systems :
en
- CH212329A - Garment bag with hanging device. :
de
en
- CH212335A - Process for the production of a nitrogen-containing naphthalene derivative. :
de
en
- USD123481S - Design for a heater :
en
- DK58146C - Procedure and Apparatus for Treatment of Waste Materials by Anaerobic Transformation. :
da
en
- GB528980A - Improvements in or relating to the manufacture of metal beams and the like sections :
en
- DE698502C - Adapter plug :
de
en
- DE698552C - Lid without top lid for electrical collectors to avoid gas accumulation spaces :
de
en
- US2221230A - Internal combustion engine :
en
- USD123534S - Design fob a dress :
en
- DE698722C - Air storage diesel engine :
de
en
- US2220948A - Piston ring :
en
- US2221206A - Watchcase construction :
en
- USD123537S - Design fob a dress :
en
- CA392436A - Metal cutting machine controlling means :
en
fr
- FR858047A - Improvements in stabilization means, particularly for ships, and applications of these means :
en
fr
- DE698466C - backrest parts and armchair parts connected to these, each forming part of a three-part reclining area :
de
en
- DE698705C - Process for the production of dry plaster of paris bandages :
de
en
- GB528901A - Improvements in or relating to welding :
en
- US2221566A - Reel :
en
- GB529015A - Improvements in and relating to gas blast electric switches :
en
- DE698564C - Device for automatic conveying and shearing of the fuel on flat grates of furnace systems :
de
en
- DE698593C - Electrostatic separator for separating electrically differently behaving particles in a mixture, especially fine dust :
de
en
- GB528915A - Manufacture of amidines :
en
- US2221160A - Bioscope cabinet :
en
- USD123533S - Design for a dress :
en
- US2221594A - Clock housing and receptacle mounting :
en
- GB528907A - Improvements in or relating to the manufacture of metal mosaics :
en
- NL88150B - :
en
- US2221515A - Window construction :
en
- US2220999A - Insulated structure :
en
- CA392405A - Sulpho-carboxylic ester preparation :
en
fr
- FR50491E - Automatic dispenser with overlapping compartments :
en
fr
- USD123549S - Design for a wallpaper :
en
- AU2420848A - Improved collapsible table for use in automobiles :
en
- DE698661C - Towel holder with swiveling arms :
de
en
- GB528991A - Improvements in or relating to printing devices for weighing machines :
en
- GB528993A - Improvements in hand and other lamps for use with electric batteries :
en
- DE698781C - Device for Leonard drives to achieve a clear dependence of the engine speed on the setting of the control lever :
de
en
- GB529138A - Improvements in and relating to high pressure fluid medium distribution systems :
en
- FR857984A - Injection nozzle :
en
fr
- FR858052A - Carburetor for aviation engine :
en
fr
- GB529211A - Improvements in or relating to electric heating apparatus, suitable for cooking and other purposes :
en
- GB529037A - Improvements in or relating to plate heat exchangers suitable for heating air :
en
- FR50468E - advanced heat exchanger :
en
fr
- FR858041A - Improvements to means for the establishment of roadblocks, in particular against aircraft, using wires :
en
fr
- DE698538C - Series-excited direct current cross-field machine :
de
en
- DE698578C - Exchange pen with lead carriers that can be moved against the action of return springs by sliding buttons :
de
en
- DE698522C - Bag or the like with a foldable closure tab :
de
en
- GB528902A - Improvements in grinding or abrading machines :
en
- GB528909A - Improvements in or relating to molding apparatus :
en
- GB529070A - Improvements in preparation of 2-chlor-meta-5-xylenol :
en
- US2221579A - Voltage regulator :
en
- US2221740A - Manufacture of slide fastener elements :
en
- US2221318A - Paint removal :
en
- USD123492S - De sign for a plaque or similar
article :
en
- US2221111A - Folding gocart :
en
- USD123551S - Design for a wallpaper :
en
- US2221343A - Method for processing and precooling eggs :
en
- US2220916A - Spring suspension :
en
- GB529212A - Process and apparatus for coiling strip material :
en
- CA392421A - Log sawing apparatus :
en
fr
- CA392489A - Electric commutation system :
en
fr
- FR50474E - Safety device for the operation of parachutes :
en
fr
- GB528852A - Container for gramophone records :
en
- US2221142A - Steam generator :
en
- US2221564A - Safety control device for gas governors :
en
- DE698572C - Process to increase the selectivity of related color separations :
de
en
- DE698755C - Ten key calculator :
de
en
- GB529172A - Quick release pipe couplings :
en
- GB529146A - Improvements in or relating to pots for molten metal, slag and the like :
en
- DE698737C - Beat tone generator in which a double push-pull modulator with two duo diodes is used as the mixing element :
de
en
- FR50490E - Water purification process :
en
fr
- FR858003A - Convertible seat :
en
fr
- GB528967A - A method of and means for colour comparison :
en
- CH212163A - Chimney draft regulator. :
de
en
- US2221045A - Brooder :
en
- US2221246A - Magnesium base alloy :
en
- US2221286A - Electric contact :
en
- US2221360A - Metal compounds of azo dyestutfs :
en
- US2221601A - Ionizing wire support, especially for electrical precipitators :
en
- DE698491C - Gun for armored towers :
de
en
- US2221573A - Impulse generator :
en
- FR50488E - Instant locking device allowing drive only in one direction of rotation :
en
fr
- GB529114A - Process of refining soy bean phosphatide :
en
- GB529148A - Improvements in and relating to elastic fluid turbine plants :
en
- CA392453A - Electric discharge device :
en
fr
- AT159755B - Electromagnetically controlled fuel injector for internal combustion engines. :
de
en
- AT159769B - Forming arrangement. :
de
en
- CH212208A - A method of joining, by gluing, two or more surfaces. :
en
fr
- CA392448A - Polyphase transformer tap-changing mechanism :
en
fr
- CA392510A - Fluid pressure valve mechanism :
en
fr
- US2221398A - Amplifier :
en
- US2221677A - Storage battery :
en
- US2221348A - Apparatus for treating metallic strip :
en
- CH212295A - Circuit arrangement for telegraph lines, via which both telegraph characters and switching criteria are transmitted by current surges of the same type. :
de
en
- US2221146A - Narrow ware loom :
en
- US2221187A - Assembling and welding car frame sides :
en
- US2220975A - Concrete pipe manufacturing machine :
en
- US2221275A - Halo-aliphatic esters of 2-chloroallyl alcohol :
en
- DE698533C - Dry box for gravure paper webs :
de
en
- DE698618C - sensitive devices :
de
en
- CH212252A - Wood shredding machine. :
de
en
- US2221002A - Hammer for feed grinding machines :
en
- US2221299A - Extrusion apparatus :
en
- DE698462C - Process for the production of water-soluble dyes of the phthalocyanine series :
de
en
- GB528925A - Improvements in means for feeding carbon interleaved typescript paper to typewriters :
en
- US2221269A - Quick acting obturating flap valve :
en
- DE698612C - walls :
de
en
- GB529107A - Improvements in or relating to magnets :
en
- US2221028A - Azo compounds and material colored therewith :
en
- US2221651A - Pin socket :
en
- US2221053A - Chain link side bar, or the like, having extruded locking lugs :
en
- US2221244A - Magnesium base alloy :
en
- US2221278A - Trailer hitch :
en
- AU815243A - Improvements relating to the supply of air-fuel mixture to internal combustion engines :
en
- FR857958A - Rolling frame for vacuum cleaner, attached like a collar to the vacuum cleaner tank :
en
fr
- DE698696C - Motor protection device with start lock :
de
en
- CH212188A - Glass liquid filling device with a hand-operated stopcock piston that is adjustable in a cylinder and has at least one flow line. :
de
en
- US2221124A - Clip :
en
- US2221585A - Pumping apparatus :
en
- GB529014A - Improvements in and relating to electric control devices particularly for tool-feed motors :
en
- US2221322A - Manufacture of parachutes :
en
- AU489139A - Improved apparatus for dosing flush systems :
en
- AU122673B2 - Improvements in or relating to welding rods :
en
- US2221631A - Paper file and binder :
en
- AT159761B - Straight-through image-inverting prism system. :
de
en
- CH212290A - Spray. :
en
fr
- US2221602A - Network system of distribution :
en
- CH212310A - Automatic trailer brake. :
de
en
- CH212228A - Roof for discharging incendiary bombs. :
de
en
- CH212254A - Hair clippers, in particular electrically powered razors. :
de
en
- USD123478S - Design for a textile fabric :
en
- FR858024A - Device for automatic adjustment of the width of the frequency band in t receivers. s. f. :
en
fr
- AT159790B - Sintered hard metal alloys. :
de
en
- US2221213A - Tape dispenser :
en
- US2221627A - Alloys of manganese, chromium iron, and boron :
en
- US2221697A - Tenpin setting machine :
en
- US2221026A - Manufacture of anhydrides of higher fatty acids :
en
- US2221332A - Cultivator :
en
- US2221728A - Noise-limiting circuit for carrier wave communication systems :
en
- CH212190A - Process for the preparation of a new oxyketone of the androstane series. :
de
en
- CH212263A - Sealing device on water turbines. :
de
en
- AU492739A - Improvements in and relating torat traps :
en
- DE698660C - Closet, especially a row wardrobe :
de
en
- US2221618A - Laminated magnet :
en
- GB529052A - Improvements in knee-tables :
en
- AT159797B - Process for clarifying fruit juices containing metal protein compounds, in particular grape musts. :
de
en
- US2221248A - Magnesium base alloy :
en
- USD123559S - Si verts
dress ensemble :
en
- CH212324A - Eclipsable landing gear for aircraft. :
en
fr
- CH212226A - Drop bomb. :
de
en
- GB529027A - Improvements in power propulsion devices for pontoons, barges and other vessels :
en
- GB529227A - Improvements in and relating to compressors :
en
- US2221320A - Sewing machine :
en
- US2221113A - Lawn seed distributor :
en
- CH212150A - Sealing on room locking devices. :
de
en
- CH212152A - Process for the production of a binding agent, especially for road construction. :
de
en
- CA392409A - Girdle or foundation garment :
en
fr
- CH212192A - Process for the preparation of 4,5-androstene-3,17-dione. :
de
en
- DK58143C - Process for the Separation of the Homologous Carbonyl Compounds Formed by Decomposition of Sterins and Bile Acids or Their Derivatives. :
da
en
- ES4616Y - A metal siphon for sinks :
en
es
- FR50469E - Process and devices for the production of agglomerates, for example concrete :
en
fr
- FR858035A - Improvements to automatic unblocking devices for projectiles against aerial targets :
en
fr
- GB528931A - Improvements in fluid dispensing apparatus :
en
- FR858064A - Process for manufacturing a manganese oxide catalyst :
en
fr
- AU139981B2 - Improved collapsible table for use in automobiles :
en
- AU490039A - Improved collapsible tops for vehicle bodies :
en
- DK58160C - Insert for Packing Boxes for Bottles and similar crazy Items. :
da
en
- FR858001A - Electrical communication system :
en
fr
- US2220969A - Sewing machine spool holding means :
en
- US2221219A - Adjustable shovel :
en
- US2221247A - Magnesium base alloy :
en
- AT159774B - Winding or layer capacitor. :
de
en
- CA392477A - Staple forming and driving machine :
en
fr
- CA392500A - Shoe sewing machine :
en
fr
- US2221647A - Heater and air circulator :
en
- DE698487C - Apparatus for generating physical foam for fire extinguishing purposes :
de
en
- US2221220A - Method and machine for freezing edible products :
en
- AU122644B2 - Manually operated air pump :
en
- CH212347A - Process for the preparation of an acidic triphenylmethane dye. :
de
en
- CH212349A - Straightener. :
de
en
- GB528912A - Improvements relating to portable electric lamps :
en
- CH212346A - Process for the preparation of a monoazo dye sulfonic acid. :
de
en
- US2221258A - Magnesium base alloy :
en
- US2220879A - Removable handle for utensils :
en
- US2221097A - Musical instrument :
en
- US2220944A - Furnace or boiler wall construction :
en
- US2221141A - Dowel pin :
en
- DE698459C - Single-phase leakage transformer with controllable direct current pre-magnetized shunt :
de
en
- USD123490S - Design fob a blade sharpener :
en
- CA392478A - Pumping system :
en
fr
- FR857992A - Speed transformer :
en
fr
- US2221007A - Device for producing a sound track :
en
- DE698460C - Method for determining the heating of field magnets of large-capacity synchronous electrical machines caused by the full operational excitation :
de
en
- AT159773B - Beacon antenna with keyed reflectors. :
de
en
- DE698622C - yd aluminum or aluminum alloys :
de
en
- FR50459E - Improvements to liquid fuels :
en
fr
- DE698449C - Armpit guard holder :
de
en
- GB529066A - A tool for removing the sheath from electric cables :
en
- GB529139A - Improvements in apparatus for washing cups, mugs, drinking glasses and similar articles :
en
- US2221031A - Polyvinyl acetal resin compositions containing diethylene glycol ditetrahydrofuroate :
en
- US2221589A - Ore concentrating machine :
en
- US2221159A - Fruit cleaning machine :
en
- US2221287A - Internal combustion engine :
en
- FR858018A - Paddle rods for fast swimming :
en
fr
- GB528997A - Improvements in levers or rockers, particularly for the valve gear of internal combustion engines :
en
- GR9339B - PORTABLE LAMPS FOR METALS SAME WITH ELECTRIC BATTERY. :
el
en
- DE647068C - Procedure for radioactivation of liquids :
de
en
- GB529084A - Device for cleaning and removing stains from the prongs of forks :
en
- GB529142A - Improvements in or relating to the treatment of artificial filaments, threads, ribbons, fabrics and like materials :
en
- GB528950A - Improvements in and relating to means for automatically regulating a working machine :
en
- GB529065A - Improvements in carriage stop mechanism for typewriting machines :
en
- DE698713C - Two-chamber compressed air fluid separator :
de
en
- FR858077A - Food preservation process :
en
fr
- DE698567C - Method for combating the beet leaf bug :
de
en
- GB529073A - Improvements relating to means for stopping or closing gas mains :
en
- GB529159A - Boiling device especially for the preparation of coffee or tea :
en
- US2220878A - Fish lure winder :
en
- US2221556A - Electrical connector apparatus :
en
- FR50500E - Incandescent cartridge stove :
en
fr
- FR858086A - Decoration method and apparatus for carrying out the method :
en
fr
- GB529117A - Process for the manufacture of coloured photographic material :
en
- GB529178A - Improvements relating to handling barrels and other objects :
en
- FR50497E - Steering system for velocifera :
en
fr
- GB529214A - Improvements in or relating to sewing machines, particularly button-sewing machines :
en
- GB529046A - Control valve mechanism :
en
- FR858042A - Improvement in the manufacture of wooden shutters :
en
fr
- FR858031A - Further training in the manufacture of artillery casings :
en
fr
- DE698589C - Silencer for intake and exhaust sound with sound reflection and interference of the incoming and reflected sound, especially for internal combustion engines :
de
en
- FR857956A - Folding camera with lens shutter operated from the box :
en
fr
- DE698710C - Device for testing the tension in the bolts of a screw connection when tightening :
de
en
- US2221019A - Coating of film bases :
en
- US2221539A - Apparatus for handling propeller blade blanks :
en
- DE698515C - Cylinder lubrication for two-stroke internal combustion engines :
de
en
- FR858099A - Transparent or translucent heels for ladies' shoes :
en
fr
- US2221531A - Storm window fastener :
en
- FR50492E - Grease and process for making it :
en
fr
- US2221376A - Rotary drilling equipment :
en
- US2221453A - Packing :
en
- US2221551A - Absorption refrigerating apparatus :
en
- DE698770C - :
de
en
- DE698543C - Feeding device for ring roller presses :
de
en
- FR857976A - Ultraviolet ray apparatus for cosmetic and therapeutic applications :
en
fr
- DE698500C - Electrical insulating material containing rubber and polyvinyl compounds, in particular for telecommunications cables :
de
en
- US2221482A - Measuring device :
en
- DE698513C - Method and device for segregating lead from zinc :
de
en
- DE698693C - Telephone, especially coin operated telephone, with blocking contacts on the number switch to limit traffic :
de
en
- GB529000A - Improvements in spring catch devices :
en
- FR858070A - Device for maneuvering automatic skips :
en
fr
- GB528966A - Improvements in soot blowers for steam generators :
en
- DE698539C - Rotary kiln for metallurgical and chemical purposes :
de
en
- GB529226A - Improvements in and relating to electric measuring instruments :
en
- US2221272A - Traffic light signal :
en
- US2221091A - Television system :
en
- US2221168A - Float :
en
- US2221561A - Stabilization of a zein solution by clarification :
en
- GB529058A - Meat suspending device :
en
- GB529088A - Improvements in or relating to coin-controlled parking meters :
en
- FR858089A - Multiple radiotelegraph transmission and reception method and device :
en
fr
- GB528926A - Improvements in control gear for a.c. commutator motors :
en
- GB528984A - Improvements in goggles :
en
- DE698616C - Process for the production of synthetic resins :
de
en
- US2221473A - Amplifier :
en
- DE698663C - Pickups for records :
de
en
- GB529005A - Improvements in machines for cutting up vegetables and fruit :
en
- GB529189A - Improvements in or relating to the production of artificial fibres :
en
- FR50483E - Method and device for the manufacture of gas masks :
en
fr
- FR857973A - Fire extinguisher bomb with mass of compressed extinguisher powder :
en
fr
- GB529132A - Improvements in or relating to phase displacing circuit arrangements :
en
- GB528905A - Improvements in or relating to extensible tables :
en
- US2221408A - Pressure means for wringer rolls :
en
- US2221533A - Athletic ball :
en
- US2221487A - Dispensing device for detergents :
en
- US2220993A - Piston packing :
en
- US2221036A - Polyvinyl acetal resin sheet containing ethoxyethyl maleate :
en
- US2221226A - Shaft sinking and excavating device :
en
- US2221400A - Friction clutch facing :
en
- FR858040A - Device for stopping aerosols and certain gases :
en
fr
- US2221151A - Footwear :
en
- US2221743A - Magnetic volume control :
en
- US2221257A - Magnesium base alloy :
en
- US2221660A - Telephone system :
en
- US2220920A - Valve device for a fluid power transmission mechanism :
en
- DE698575C - Adjustment device for the clutch, especially of motor vehicles :
de
en
- FR858038A - Improvements to combustion engines :
en
fr
- CH212174A - Spindle on ring spinning and twisting machines. :
de
en
- CH212189A - Process for removing carbon monoxide from mixtures with hydrogen. :
de
en
- CH212352A - Process for the preparation of 3- (bis-dioxypropyl) -amino-4-oxy-3'-amino-4'-oxy-arsenobenzene-monoformaldehyde-sodium sulfoxylate. :
de
en
- GB529103A - Improvements in or relating to wireless transmitting and receiving systems for two-way operation :
en
- FR857995A - Method and devices for the rapid construction of concrete floors, walls or other walls :
en
fr
- GB529113A - Improvements in devices for preventing the sinking of canoes and like small water craft :
en
- US2220951A - Rheostat for electrical measuring circuits :
en
- US2221047A - Push button switch :
en
- US2221451A - Automobile map device :
en
- US2221702A - Fractionation of hydrocarbon vapor mixtures :
en
- USD123473S - Cabinet for sound picture machine or the like :
en
- CH212239A - Color filters for colorimetric purposes. :
de
en
- DE698764C - Film measuring device :
de
en
- US2220931A - Telegraph system :
en
- DE698517C - Protective cover made of multi-layer fabrics :
de
en
- US2221152A - Illuminating means for navigating instruments :
en
- AU111869B2 - Improvements in and relating to aircraft :
en
- GB528906A - Air blast circuit breakers for high rated currents :
en
- GB529112A - Improvements in hydraulic accumulators adapted for use on aircraft :
en
- AT159791B - Process for producing a melt-down metal alloy. :
de
en
- US2220983A - Apparatus for power flow control :
en
- US2221414A - Amusement park safety device :
en
- GB529158A - Improvements in or relating to nut structures :
en
- GB529223A - Improvements in pyrophoric lighters :
en
- FR857980A - Grinding or pneumatic spraying plant :
en
fr
- GB529004A - Apparatus for curling small locks of hair :
en
- GB528922A - Improvements in or relating to moulding compounds :
en
- GB528949A - Improvements in gas masks :
en
- GB529121A - Improvements in or relating to dust collectors or separators and the like :
en
- DE698520C - Visual process for discharging finely ground gestures :
de
en
- DE698733C - Rear support bearing for upper sleeping areas in two-bed compartments of sleeping cars, especially for rail vehicles :
de
en
- FR858025A - Process for establishing coatings in several layers using varnishes containing raw materials capable of forming reversible films :
en
fr
- FR50471E - Mounting device for automobile headlights :
en
fr
- GB529093A - Improvements in and relating to tipping gear :
en
- GB528913A - Improvements in or relating to suction cleaners :
en
- US2221027A - Azo compounds and material colored therewith :
en
- US2221239A - Apparatus for pointing elongated material :
en
- AU111867B2 - Improvements in or relating to boxes made of cardboard or similar material :
en
- GB529007A - Improvements in or relating to a machine for boring and cutting :
en
- DE698702C - Electric space heating system with electrode heating :
de
en
- FR858006A - Dental prosthesis impression mold :
en
fr
- GB529168A - Improvements in or relating to coupling arrangements for resonant networks :
en
- DE698559C - High-voltage switch, consisting of a gas switch and a push disconnector :
de
en
- GB529009A - Improvements in or relating to knitting machines :
en
- US2220950A - Water treatment :
en
- US2221229A - Signaling apparatus :
en
- US2221328A - Pneumatic dough feeder :
en
- CH212161A - Plant for the implementation of this method.en fuels using two furnaces, one of which is set up to burn inferior fuels and the other to burn high-quality fuels, and :
de
en
- GB528972A - Improvements in glands for centrifugal pump and like shafts :
en
- FR858078A - Sandblasting machine for various uses :
en
fr
- GB529060A - Improvements in welded gasholders and other containers and the manufacture thereof :
en
- AU111866B2 - Improved suction or vacuum cleaners :
en
- CH212255A - Process for the production of graphic products with shiny metallic symbols and characters. :
de
en
- FR857986A - Axial application device of rolling mill rolls :
en
fr
- FR858095A - Azo dyes :
en
fr
- GB529057A - Improvements in air-intakes for aircraft engines :
en
- GB529145A - Improvements in surface finishing machines :
en
- GB529182A - Improvements relating to rotary printing and numbering machines :
en
- GB529055A - Manufacture of esters of oxyalkylamidines :
en
- DE698455C - Circuit arrangement for regulating the dynamics in sound transmission systems :
de
en
- US2221311A - Automatic steering for ships and other craft :
en
- GB528971A - Improvements in or relating to telephone systems :
en
- US2221005A - Insulating shield :
en
- FR858094A - Helical blower device :
en
fr
- DK58145C - Process for the Preparation of N-Pyrimidylalkyl-thiazolium compounds. :
da
en
- GB529099A - Improvements in or relating to light modulating devices :
en
- GB529085A - Improvements relating to refractory bodies for gas fires :
en
- FR858039A - Variable compression ratio engine :
en
fr
- GB529019A - Improvements in or relating to devices for cutting sound records :
en
- GR9334B - METHOD FOR MANUFACTURE OF SULFAMIDION PRODUCTION. :
el
en
- US2221381A - Fish lure :
en
- US2221492A - Tractor hitch :
en
- DE698532C - Weft guard parking device for looms :
de
en
- FR858008A - Projection method and apparatus :
en
fr
- DE698709C - Method for testing the adhesion of the cladding to clad sheets :
de
en
- US2221037A - Color filter for photomechanical processes :
en
- US2221510A - Ironer table :
en
- US2221015A - Periodic wave generator :
en
- NL49589C - :
en
- US2221744A - Volume control tube :
en
- USD123486S - Design for a telescope :
en
- GB529161A - Improvements in or relating to lubricating apparatus :
en
- DE698685C - Lining of furnaces and ovens :
de
en
- FR857970A - Device for laundry, dyeing and other similar machines :
en
fr
- GB528929A - Piston rod guide and packing on devices for conveying liquid and gaseous substances :
en
- DE698471C - Device for driving the turntable in record recording and playback apparatus :
de
en
- US2221176A - Attrition mill :
en
- US2221202A - Cushion foot support for shoes :
en
- AT159783B - Water post. :
de
en
- AU122620B2 - Improvements in electric oscillators :
en
- CH212261A - Axial multi-stage turbomachine. :
de
en
- ES4537Y - Capping device :
en
es
- DE698505C - Locking device for socket and rotary switch, which can be operated on two sloping surfaces of a common housing :
de
en
- DE698560C - electrical supply circuits :
de
en
- DK58157C - Automatic firearm with two or more barrels. :
da
en
- US2221509A - Electric ignition system :
en
- US2220889A - Communication system :
en
- US2221498A - Sheet metal fastening means :
en
- US2220940A - Telephone recording system :
en
- USD123494S - Design for a dress or simolar article :
en
- CA392526A - Bearing manufacture :
en
fr
- US2221283A - Corner reinforcing plate :
en
- US2221061A - Process of making iron and nickel alloys :
en
- US2221609A - Photographic view finder :
en
- US2220981A - Fungicide :
en
- US2221108A - Soldering device :
en
- US2221351A - Drier :
en
- US2221741A - Pneumatic conveying apparatus :
en
- DE698448C - Compression brake for motor vehicles :
de
en
- FR50477E - Remote clutch control system by compressed air, known as constant pressure :
en
fr
- GB529224A - Improvements in foot arch supports :
en
- US2221604A - Control system :
en
- AU191739A - Method of and means for testing eyes :
en
- DE698484C - Centrifugal pump for alternating delivery in both directions of rotation :
de
en
- DE698577C - Double-acting, mechanically or by air or fluid pressure operated two-jaw brake for motor vehicles :
de
en
- US2221139A - Preparation of medicaments :
en
- US2221614A - Method of manufacturing selenium rectifiers :
en
- AU494839A - Improvements in or relating to electron multipliers :
en
- CH212137A - Device for mounting tools for working the soil on a two-wheel tractor. :
en
fr
- AU111838B2 - Improved collapsible tops for vehicle bodies :
en
- DE698523C - Suspension for vehicles with swinging semi-axles :
de
en
- DK58144C - Method of Preparation of 4,5-Unsaturated Steroid Ketones. :
da
en
- DE698629C - e adjusting screw :
de
en
- US2221688A - Air conditioning apparatus :
en
- US2221064A - Ball type detachable coupling :
en
- USD123541S - Design for a dress :
en
- AT159785B - Water post head. :
de
en
- USD123542S - Design for a dress :
en
- GB528928A - Improvements in bottle carriers :
en
- GB528975A - Improvements in or relating to coin-freed amusement or vending machines :
en
- FR857968A - Improvements to machine tools and accessory devices forming tool support for these machines :
en
fr
- GB528927A - Improvements in or relating to feeding mechanism for sewing machines :
en
- GB529130A - Manufacture of new anilides :
en
- US2221572A - Vacuum cleaner construction :
en
- FR858084A - Detection of the presence, direction and coordinates of aircraft in a specific area :
en
fr
- GB529109A - An improved stopper for containers :
en
- GB529151A - Improvements relating to warping machines :
en
- FR858021A - Electric cart :
en
fr
- GB528944A - Improvements in or relating to radio receiving apparatus :
en
- GB529077A - Improvements in or relating to dual wheel vehicles :
en
- US2221035A - Polyvinyl acetal resin sheets containing a dialkyl maleate :
en
- USD123499S - Design fob a bottle :
en
- CA392508A - Oil hydrogenation process :
en
fr
- DE698740C - Overcurrent carrier fuse :
de
en
- US2220901A - Refrigerator car hatch arrangement :
en
- DE698732C - Process for the simultaneous direct production of iron or its alloys and cement or hydraulic lime and a rotary kiln for its execution :
de
en
- CA392514A - Sound insulation structure :
en
fr
- DE698672C - Gear for cinematographic cameras driven by spring mechanism :
de
en
- DE698493C - Ignition preparations for lighting candles or groups of candles, in particular Christmas tree candles :
de
en
- DE698725C - Continuously operated purge gas furnace :
de
en
- CH212326A - Vehicle, in particular aircraft, with brake bodies. :
de
en
- CH212355A - Process for the preparation of 1-ss- (p-oxyphenyl) -isopropylmethylamine. :
de
en
- CH212359A - Process for preparing a water-soluble sulfonic acid amide compound. :
de
en
- USD123480S - Design for a tennis shoe :
en
- US2221018A - Treatment of waste solutions containing metals :
en
- US2221308A - Hydraulic power transmission mechanism :
en
- US2221336A - Motor and transmission for windshield wipers :
en
- US2221674A - Glycol esters :
en
- CH212193A - Process for the preparation of an α-dicarbonyl compound of the cyclopentanopolyhydrophenanthrene series. :
de
en
- US2221198A - Electrical filter system :
en
- US2221262A - Means for cleaning and feeding kapok and other staple fibers :
en
- CA392428A - Door lock :
en
fr
- US2221143A - System and apparatus for piano instruction :
en
- US2221274A - Knee control for accelerators :
en
- US2221558A - Flat shaft control device :
en
- US2220875A - Boat construction :
en
- US2220933A - Alloy steel articles :
en
- USRE21622E - Control apparatus :
en
- CA392458A - Ether stabilization :
en
fr
- AT159771B - Procedure for interrupting the current in multi-anode power converters. :
de
en
- US2221315A - Floor treating machine :
en
- US2221464A - Automatic strip feed control mechanism :
en
- US2221598A - Machine and method for making nut blanks :
en
- CH212271A - Refrigerator insulation. :
de
en
- CH212276A - Electric discharge tube with device for Faraday acceleration of the electrons. :
de
en
- US2220914A - Elastic fluid turbine bucket wheel :
en
- USD123472S - Design fob a protector mat for
kitchen tables, stoves, and the
like :
en
- DE698619C - Suction and discharge device for pipettes :
de
en
- CH212315A - Cover for the rear wheels of streamlined bodies. :
de
en
- CH212143A - Vacuum cleaning cattle brush. :
de
en
- CH212202A - Process for the production of metal-containing azo dyes. :
de
en
- CA392485A - Tire chain tool :
en
fr
- DE698782C - Process to improve the spinnability of rayon from regenerated cellulose :
de
en
- US2221550A - Roll-over type dammer :
en
- CH212357A - Process for the preparation of a derivative of 6-oxy-8-aminoquinoline. :
de
en
- DE698458C - :
de
en
- DE698673C - Process for the preparation of photographic positive emulsions with the aid of oxocyanine dyes :
de
en
- US2221288A - Folding umbrella :
en
- US2221402A - Lamp ejector :
en
- US2221505A - Combined adapter and reflector for lamps :
en
- AT159787B - Handle arrangement on devices with vibrating and striking forces. :
de
en
- US2221350A - Furnace door :
en
- US2221232A - Production of crepelike textile webs :
en
- US2221243A - Magnesium base alloy :
en
- US2221523A - Pitch determining apparatus :
en
- US2221253A - Magnesium base alloy :
en
- US2221291A - Narrowing mechanism for flat knitting machines :
en
- FR50484E - Amplifier or frequency changer assembly comprising a screen grid tube :
en
fr
- CH212236A - Equipment on measuring devices that periodically register measured values given in pulses and store incoming pulses during the registration process. :
de
en
- US2221541A - Gain control device :
en
- DE698595C - Portal structure for sheet metal stretching presses :
de
en
- US2221195A - Flue cleaner :
en
- USD123525S - Design for a dress :
en
- CH212280A - Mercury vapor jet pump with natural air cooling for rectifiers. :
de
en
- DE698501C - Spring clamp for electrical lines :
de
en
- DE698741C - Overload bars three-part fuse :
de
en
- CA392498A - Leather splitting machine :
en
fr
- CH212286A - Process for the preparation of 3-oxy-4-carbaminyl-benzene-1-arsic acid. :
de
en
- US2221525A - Electrical system for displaying pictures and communications by means of a lamp screen :
en
- CA392443A - Aluminium and alloy surface :
en
fr
- US2221429A - Method of making findings for pin stems :
en
- CH212244A - Clockwork movement with motor barrel. :
en
fr
- AT159776B - Process for the automatic regulation of the frequency of high frequency oscillations. :
de
en
- SE100224C1 - Ways to extract potassium salts from saline solutions :
en
sv
- US2221522A - Floor covering :
en
- US2221625A - Treatment of manganese alloys :
en
- USD123487S - Design fob a tie back :
en
- CH212318A - Device for aligning the front forks of bicycles. :
de
en
- US2221413A - Straight-line clock :
en
- FR857965A - Device for marking leather, fabrics, paper, etc. :
en
fr
- CH212277A - Arrangement with secondary electron multiplier. :
de
en
- CH212340A - Process for the production of a nitrogen-containing naphthalene derivative. :
de
en
- AT159795B - Process and device for remelting and refining light metal waste. :
de
en
- GR9332B - IMPROVEMENTS IN THE REFRIGERATION OF ALUMINUM. :
el
en
- DE698596C - lye :
de
en
- US2221090A - Brake :
en
- GB529098A - Method of assembling pieces of toughened glass :
en
- US2221252A - Magnesium base alloy :
en
- US2221138A - Filiform guide :
en
- US2221147A - Preparation of aminated esters of sulphydryl compounds :
en
- US2221364A - Hinge for book covers :
en
- US2221418A - Thiodiglycol-polycarboxylic acid condensation products :
en
- US2221133A - Scaffold :
en
- CA392513A - Thioformamide compound :
en
fr
- CA392463A - Colour photography :
en
fr
- GB529213A - Improved method of and means for delivering measured quantities of liquids :
en
- US2221693A - Ice tray :
en
- US2221731A - Grease demonstrating device :
en
- US2221267A - Chessboard box :
en
- US2221397A - Planking clamp :
en
- US2221456A - Electrical regulator :
en
- CA392523A - Pure sodium cyanide :
en
fr
- DE698758C - Lubricating device for compressor :
de
en
- US2220876A - Automobile hood and lid support :
en
- US2221062A - Refrigerating apparatus :
en
- US2221181A - Automobile door locking mechanism :
en
- USD123522S - Design for a robe :
en
- US2221016A - Machine for storing and vending refrigerated articles :
en
- CA392444A - Garage heater :
en
fr
- CH212181A - Knitting needle. :
en
fr
- AU1524844A - Improvements in apparatus for measuring and dispensing liquids :
en
- US2221396A - Automatic weighing conveyer :
en
- CH212305A - Method and device for indicating the passing of vehicles. :
de
en
- CA392423A - Dental surveyor and designer :
en
fr
- CH212273A - Transformer for feeding multiphase power converters with anodes working in parallel. :
de
en
- USD123527S - Design for a dress :
en
- AU111858B2 - An improved gas producer :
en
- GB529153A - Improvements in and relating to baking trays :
en
- CH212321A - Internal combustion engine system, in particular on vehicles. :
de
en
- DE698561C - Current interruption device in which iodine is arranged near a fusible conductor :
de
en
- AU490439A - Tractor and implement unit :
en
- AT159784B - Automatic balance with a contact device arranged between the pointer of the balance and an auxiliary pointer that can be adjusted to the desired weight. :
de
en
- US2221605A - Rotor :
en
- AU111845B2 - Improvements in or relating to electrical oscillation generators :
en
- US2221273A - Chemical proportioner :
en
- US2221294A - Decolorizing paper stock :
en
- US2221379A - Razor :
en
- US2221681A - Volume control system :
en
- US2220974A - Air controlling instrument :
en
- US2220978A - Lighter :
en
- CA392474A - Instrument panel speaker unit :
en
fr
- US2221443A - Mouthpiece cigarette manufacture :
en
- US2221065A - Fiber cutter :
en
- US2221342A - Mill :
en
- US2221680A - Auger :
en
- CA392450A - Lamp prefocusing apparatus :
en
fr
- US2221185A - Power generating unit :
en
- US2221638A - Grinding machine :
en
- US2221721A - Taillight and bumper combination :
en
- US2221297A - Back rest for bathtubs :
en
- US2221607A - Reinforcement for contact members :
en
- USD123508S - De sign for a game board :
en
- US2221361A - Metal compounds of azo dyestuffs :
en
- IE16269L - Automatic telephony :
en
- GB528970A - Improvements in and relating to the manufacture of electric cables :
en
- DE698679C - Bolt latch lock :
de
en
- GB529203A - Improvements in luminescent materials :
en
- CH212196A - Process for the production of melamine. :
de
en
- GB528965A - Improvements in pipe couplings :
en
- FR858014A - Method and apparatus for fiberizing textile plants :
en
fr
- US2221452A - Frequency-dividing system :
en
- US2221251A - Magnesium base alloy :
en
- DE698583C - Telegraph receiver for Morse code or the like. :
de
en
- DE698547C - Start-up and control device for the drive steam turbine of a liquid pump :
de
en
- GB528954A - Apparatus for mixing fluid :
en
- DE698691C - Rail fastening for the expressing and tampering machine train of horizontal coke ovens :
de
en
- FR858028A - Bolt and nut type fastener :
en
fr
- IE15970L - Metal netting :
en
- FR857983A - Device for igniting and feeding electric discharge tubes :
en
fr
- GB529188A - Improvements in and relating to frames for handbags and the like :
en
- DK58156C - Nut protection. :
da
en
- GB528919A - Improvements in and relating to catalytic reaction apparatus :
en
- GB529061A - Improvements in valve mechanisms :
en
- GB529096A - Improvements relating to dynamo regulators :
en
- FR50472E - Improvements to the wheels of tractors or other vehicles in order to increase their grip :
en
fr
- GB528987A - Improvements in or relating to the manufacture of dimethylamine :
en
- GB529134A - Improvements in the oxidation of propenyl benzine derivatives :
en
- GB529170A - Improvements in and relating to temperature regulators :
en
- DE698527C - Braking device with two brake shoes, which are carried along by the brake drum in the circumferential direction when the brake is applied and, depending on the direction of rotation, are supported against one or the other of two anchor devices fixed on the back plate :
de
en
- DE698621C - Machine controlled by payment cards with adding and printing unit :
de
en
- GB529122A - Improvements in blinds for double windows :
en
- GB529163A - Improvements in automatic selectivity devices for tuned circuits :
en
- DE698504C - Socket with locking against single-pole insertion of a plug :
de
en
- DE698695C - Arrangement for switching a radio receiver :
de
en
- GB529018A - Window or door actuating gear :
en
- US2221672A - Elastic fluid turbine bucket wheel :
en
- USD123514S - Thomas
vehicle :
en
- GB529003A - Improvements relating to folding windows :
en
- GB529049A - Improvements in telephone or like systems :
en
- GB528908A - Improvements in inspection lamps :
en
- GB529156A - Improvements in or relating to transportable lifting devices for transferring goods to and from storage :
en
- US2221112A - Synchronizing and phasing device :
en
- US2221121A - Fluid motor :
en
- DE698720C - Process for the recovery of copper from waste water from the manufacture of copper artificial silk :
de
en
- GR9340B - FRAME - ANTENNA. :
el
en
- CH212201A - Process for the preparation of aliphatic amines. :
en
fr
- GB529154A - Improvements in and relating to the dispensing of oil :
en
- US2221685A - Elastic fluid turbine bucket unit :
en
- FR858063A - Process for manufacturing agglomerates and product obtained by this process :
en
fr
- FR50482E - Device for actuating the cutting blade of a mechanical mower :
en
fr
- GB528956A - Cooling of sleeve valve internal combustion engines :
en
- GB528998A - Improvements in or relating to aerials and associated feeder arrangements :
en
- CH212182A - Process for dyeing leather. :
de
en
- FR858046A - Safety device adapting to free-fall bomb rockets :
en
fr
- FR857985A - Headlight recessed in an opening in a vehicle trim :
en
fr
- GB529102A - Methods of avoiding reflections in electric wave transmission lines :
en
- FR858000A - Machine for the disintegration and sorting of mineral and vegetable milled products :
en
fr
- DE698482C - Roll film camera :
de
en
- US2221528A - Electric switch :
en
- USD123548S - Design for a rug or similar article :
en
- IE15948L - Luminescent discharge lamps :
en
- US2220949A - Fuel feeding means for internal combustion engines :
en
- US2221282A - Preparation of lignin-phenol resin :
en
- DE698548C - Device for clamping auxiliary ribbons on typewriters :
de
en
- DE698692C - :
de
en
- DE698678C - Vascular closure :
de
en
- US2220907A - Balance wrapper for ailerons :
en
- SE100236C1 - :
en
sv
- US2221386A - Snow removal :
en
- CH212356A - Process for the preparation of a condensation product from m-xylohydroquinone and phytyl dihalides. :
de
en
- DE698750C - Clamping device for the lengthways of roll-up curtains, especially blackout curtains :
de
en
- DE698453C - Paving machine :
de
en
- CH212354A - Process for the preparation of a condensation product from m-xylohydroquinone and phytol. :
de
en
- US2221485A - Flotation process :
en
- GB528989A - Improvements in and relating to sliding clasp fasteners :
en
- US2221212A - Refrigerating apparatus :
en
- US2221552A - Chlorinated starch and process for production of same :
en
- US2221268A - Automotive vehicle seat :
en
- USD123488S - Combined wall support and cover for an electric razor :
en
- GB529094A - Building material :
en
- GB529209A - Improvements in and relating to the reclaiming of oil and the like :
en
- USD123503S - Design for a skillet cover :
en
- CH212296A - Circuit arrangement for setting the simulation and for measuring the afterimage quality in duplex circuits. :
de
en
- DE698550C - Pulse series corresponding to picture elements are transmitted through a magnet system and a rotating writing spindle and the lines of which are composed of lines of equal length running parallel to the recording direction :
de
en
- FR858097A - Distributor for glass furnaces :
en
fr
- GB529193A - Improvements in or relating to fastening means for garments :
en
- US2221643A - Electrical measuring instrument :
en
- US2220929A - Photographic developing solutions containing aromatic hydrazines, their preparation and use :
en
- US2221234A - Pick for stringed instruments :
en
- FR858060A - Complex biscuit for the instant preparation of soups :
en
fr
- GB529031A - Improvements in or relating to working fluids and processes of producing cold by the absorption refrigerating principal :
en
- US2220880A - Tempering porous organic products :
en
- US2220899A - Branch connection :
en
- DE698350C - animals from semolina, steam, etc. :
de
en
- DE698507C - Device for stretching the dental arch with a palatal plate divided by a sagittal incision :
de
en
- DE698644C - Modulation device :
de
en
- FR50473E - Direction indicator for vehicles :
en
fr
- GB529220A - Improvements in or relating to portable electrically driven tools :
en
- GR9335B - HOW TO PRODUCE A NEW TYPE OF CINEMA WORKS (MOVIES) SMALL / LARGE, SPEAKING MUSICAL COLORS AND NON. :
el
en
- US2221003A - Air cooler :
en
- US2221617A - Method of making handled shopping bags :
en
- DE698649C - Fusible conductor arrangement for short-circuit proof cartridges of electrical fuses :
de
en
- FR50454E - New application of prepaid games and devices in combination with classic or similar draw lotteries and concomitant modifications of said games and devices :
en
fr
- FR50486E - Shoe sewing machine :
en
fr
- DE698584C - Circuit arrangement for telephone systems with dialer operation :
de
en
- DK58158C - Device for sending alarm signals. :
da
en
- GB529196A - Improvements in or relating to sheet feeding apparatus :
en
- DE698549C - Brake pressure regulator for air brakes :
de
en
- DE698551C - Circuit arrangement for avoiding electrical-acoustic feedback in telephone subscriber stations :
de
en
- US2221271A - Alkyl and cycloalkyl derivatives of 1,3-dimethyl-1,3-diphenyl-cyclobutane :
en
- US2221656A - Shirt construction :
en
- US2221661A - Speed control for sound record medium :
en
- DK58151C - Electric Discharge Tube for Optical Indication of Voltages. :
da
en
- US2221013A - Feed trough for poultry :
en
- FR858048A - Device for controlling and measuring the electrical and dielectric constants of the various ignition components of gas mixtures in internal combustion engines :
en
fr
- GB529169A - Improvements in or relating to telephone systems :
en
- US2221331A - Direction indicator for automobiles :
en
- US2221337A - Game apparatus :
en
- US2221025A - Color correction process and product :
en
- US2221102A - Push-pull amplifier circuit :
en
- US2221211A - Ash receptacle and lighter :
en
- US2221319A - Magnesium base alloy :
en
- US2221430A - Upper lasting plate :
en
- US2221549A - Tractor implement :
en
- US2221586A - Regulator :
en
- US2221596A - Method of manufacturing dry rectifiers :
en
- GB529126A - Method of producing a self-set magnesium carbonate composition :
en
- US2221012A - Toy glider :
en
- US2221637A - Honing apparatus :
en
- US2221736A - Ophthalmic mounting :
en
- USD123539S - Design for a dress :
en
- US2221366A - Umbrella robe :
en
- USD123469S - Design for a liquid pasteurizer :
en
- US2221277A - Wire stretcher :
en
- US2221646A - Soldering device :
en
- CH212175A - Device for the production of wound bodies. :
de
en
- US2220915A - Heel-slotting machine :
en
- US2221457A - Method of and means for lubricating high-speed spindles :
en
- US2221207A - Rubber composition and preservation of rubber :
en
- US2221593A - Multiple fan drive for furnaces :
en
- US2221327A - Pneumatic dough feeder :
en
- GB528947A - Improvements in or relating to the production of pressed bodies :
en
- US2221074A - Brake mechanism :
en
- US2221236A - Elevator cover :
en
- US2220989A - Well cleanout bailer :
en
- CH212234A - Coil for concentrating the cathode rays from single, double and multi-beam cathode ray oscilloscopes. :
de
en
- CA392476A - Wire feed roll mechanism :
en
fr
- US2221630A - Suction nozzle :
en
- US2221093A - Extraction process :
en
- DE698570C - to tighten :
de
en
- DE698623C - Turret punch with a tool carrier around a horizontal axis :
de
en
- USD123510S - Design foe, a dustpan :
en
- US2221051A - Lubricator for journal bearings :
en
- US2221096A - Radio receiver control circuits :
en
- GB529222A - Bottle closing device :
en
- GB528955A - Improved manufacture of titanium dioxide pigments :
en
- GB529208A - Improvements in and relating to magnetic apparatus for adjusting mechanism within a sealed casing :
en
- US2221089A - Motion picture projector :
en
- US2221659A - Display rack :
en
- US2221259A - Magnesium base alloy :
en
- CH212351A - Electron tubes, especially for amplifying very high frequencies. :
de
en
- US2221043A - Overhead conveyer :
en
- US2221489A - Dyeing machine :
en
- AU111855B2 - Improvements relating to carrier wave transmission systems :
en
- AU1620044A - Improvements relating to traps for rats and mice :
en
- NL49608C - Carrier for negative for use in projection and magnification devices. :
en
nl
- US2221422A - Electric soldering iron :
en
- US2221076A - Furnace hearth :
en
- US2221399A - Clutch :
en
- US2221562A - Electroplating :
en
- US2221050A - Blending chamber for water mixing valves :
en
- US2221459A - Manufally controlled contouring machine :
en
- US2221654A - Apparatus for railway train communication systems :
en
- USD123532S - Design for a dress :
en
- DE698655C - adhesive :
de
en
- DE698698C - Monitoring device for high voltage fuses :
de
en
- DE698742C - Process for the production of whitish leather :
de
en
- FR858030A - Film with paper extension :
en
fr
- DE698735C - Process for the economic prevention of moisture damage in telecommunications equipment :
de
en
- DK58159C - Packing machine, preferably for Laying Eggs in Cardboard Trays. :
da
en
- AT159763B - Rotary piston blower for flange-mounting on vehicle or aircraft engines. :
de
en
- DE698461C - Light relay :
de
en
- GB528924A - Improvements in paper carrier frames for use in connection with typewriters :
en
- GB529033A - Improvements in and relating to the manufacture of photographic light-sensitive elements :
en
- DE698704C - Apparatus for generating acetylene in developing lime hydrate :
de
en
- US2221235A - Resistor unit :
en
- US2221576A - Welding system :
en
- US2221737A - Lens edging machine :
en
- USD123483S - Design for a luggage case :
en
- FR50498E - Improvements to centrifugal sprayers for liquids :
en
fr
- GB529221A - Improvements in and relating to means for drawing sheet glass especially with fourcault machines :
en
- GR9338B - METHOD TO MAKE A SERIES OF AUDIO MOVIES. :
el
en
- DE698468C - Drive for stage wagons running on rails :
de
en
- DE698716C - Wrist watch :
de
en
- DE698674C - Single blades for controllable pitch propellers made of two wooden blade halves :
de
en
- USD123477S - Design for an electric food mixer :
en
- US2221128A - Bathing brush :
en
- GB528910A - Improvements in filtration apparatus :
en
- US2220903A - Printing machine :
en
- US2221471A - Furnace :
en
- US2221720A - Electric circuit interrupter :
en
- DE698488C - Switching device for direction indicators, especially on motor vehicles :
de
en
- DE698667C - for internal combustion engines for dusty solid fuels :
de
en
- US2221542A - Storage battery construction :
en
- DE698688C - Suspension for boom that can be pivoted in a vertical plane, e.g. B. bucket ladders and bucket wheel booms of excavators o. :
de
en
- AU178740A - Improvements relating to reciprocating screens :
en
- US2221094A - Pickup tool :
en
- GB528938A - Improvements in or relating to water cooling towers :
en
- GB529011A - Electric signal transmission systems :
en
- US2221616A - Copper oxide rectifier :
en
- DE698677C - Suspension for bicycles, especially for motorcycles :
de
en
- GB529020A - Improvements in or relating to electrical signalling systems :
en
- US2221224A - Washer :
en
- US2221370A - Lock for fire extinguishers :
en
- US2221431A - Structural material :
en
- USD123555S - Design fob a wallpaper :
en
- AU473842A - Improvements in or connected with rangefinders, heightfinders and like optical measuring instruments :
en
- US2221080A - Eccentric head for cam grinding pistons :
en
- US2221293A - Automatic water leveler :
en
- DE698553C - Leading conductors carrying electrical insulating bodies of existing electrical equipment or equipment :
de
en
- DE698650C - Magnetic lens with short focal length for electron microscopes :
de
en
- FR50464E - Improvements to switches or switches controlled by a key, in particular to those of the electrical circuits of motor vehicles :
en
fr
- US2221079A - Illumination device :
en
- US2221746A - Vacuum cleaner :
en
- DE698648C - Electrically heated post insulator :
de
en
- US2221136A - Telegraph system :
en
- US2221382A - Steam generator :
en
- US2220971A - Method of finishing cake :
en
- CH212153A - Device for automatic adjustment of the temperature of the heated liquid in heat storage appliances of the boiler type. :
en
fr
- US2221362A - Metal compounds of azo dyestijffs :
en
- CA392434A - Insulation testing apparatus :
en
fr
- CA392515A - Insulation sheet material :
en
fr
- AU492439A - An improved gas producer :
en
- US2221363A - Toothbrush :
en
- FR857998A - Process for obtaining mineral oils :
en
fr
- FR857987A - Colorants for vat :
en
fr
- CH212360A - Process for preparing a water-soluble sulfonic acid amide compound. :
de
en
- GB529167A - Improvements in the electrical production of musical tones :
en
- AU122638B2 - Stabilizer for fire extinguishing foam :
en
- CH212299A - Coin operated telephone with a charge control device in self-connecting telephone systems. :
de
en
- US2221648A - Pocket protector :
en
- AU1623844A - Improvements in or relating to collet chuck :
en
- CH212225A - Projectile, in the longitudinal axis of which a spring-loaded ignition device is arranged. :
de
en
- US2220972A - Box unit :
en
- US2221024A - Film box for miniature film :
en
- DE698555C - Push button switch :
de
en
- US2221686A - Calculating machine :
en
- USD123563S - Design fob a slip :
en
- US2221329A - Art of treating leatherboard :
en
- GB529059A - Improvements in or relating to air pumps :
en
- US2220896A - Ironing table :
en
- US2221344A - Typographical slug casting machine :
en
- USD123556S - Design for a wallpaper :
en
- CH212307A - Apparatus for transmitting firing orders. :
en
fr
- CH212353A - Process for the preparation of a condensation product from trimethylhydroquinone and phytol. :
de
en
- US2221184A - Production of textile materials :
en
- US2221263A - Calcium base alloy :
en
- CH212144A - Drovers. :
de
en
- CA392435A - Hay unloader :
en
fr
- CH212302A - Method and arrangement for generating pulses. :
de
en
- US2221543A - Material handling apparatus :
en
- CH212203A - A method of manufacturing an adhesive composition. :
en
fr
- US2221557A - Cleaner :
en
- CH212358A - Process for preparing a water-soluble sulfonic acid amide compound. :
de
en
- AT159764B - Pneumatically or hydraulically operated unloading platform for vehicles. :
de
en
- US2221122A - Thermionic valve amplifier :
en
- US2221155A - Convertible woman's hat :
en
- US2221335A - Indicating bulletin board :
en
- CH212205A - Method and device for the continuous processing of solutions of cellulose in strong mineral acids into threads, films, foils, tubes, etc. :
de
en
- CH212336A - Method for the preparation of a 4,5-unsaturated 3-ketone of the sex hormone series. :
de
en
- AU122681B2 - Improvements relating to traps for rats and mice :
en
- CA392412A - Candle extinguisher :
en
fr
- US2220963A - Azo dyestuffs :
en
- US2221261A - Method of treating wells :
en
- CH212183A - Resistant preparation suitable for vat dye printing. :
de
en
- FR858072A - New multiple lipstick case :
en
fr
- CH212270A - Gas or steam turbine. :
de
en
- CA392433A - Electric power transmission :
en
fr
- US2221067A - Structural steel derrick :
en
- US2221107A - Pan dump mechanism :
en
- US2220910A - Method of producing cathode sleeves for thermionic valve :
en
- US2221371A - Shaft coupling :
en
- US2220911A - Shaving device :
en
- DE698739C - Device for limiting the number of switching positions on four-stroke and multi-stroke rotary switches with a locking mechanism :
de
en
- GB529092A - Improvements in or relating to milling of cereal grain :
en
- CA392486A - Rail splice bar :
en
fr
- AU38840A - Improvements in and relating to electric radiators :
en
- US2220902A - Gauge diaphragm mounting :
en
- US2221410A - Recovery or production of unitary cyclic compounds :
en
- US2221508A - Garment hanger :
en
- DE698641C - Soft or semi-rigid stand-up collar :
de
en
- AU1675144A - Improvements in mobile cranes :
en
- CA392493A - Refrigerator car ice grate :
en
fr
- DE698483C - Process for producing multicolored images :
de
en
- DE698554C - Connection clamp for aluminum lines with spreadable, resilient legs :
de
en
- FR858092A - Improvements to navigation radio transmitters :
en
fr
- GB528920A - Improvements relating to the control of the flow of liquid through filters :
en
- GB528963A - Improvements in or relating to safety devices for aircraft :
en
- US2221500A - Method and means for feeding sheets :
en
- USD123493S - Design for a clock or similar article :
en
- US2221483A - Signal lamp :
en
- CH212235A - Rolling sector contact device. :
de
en
- US2221391A - Manufacture of double base propellent powders :
en
- US2221694A - Ice-making apparatus :
en
- US2221610A - Electrical control system :
en
- USD123531S - De sign fob an electric broiler :
en
- US2221739A - Hypodermic syringe :
en
- US2221058A - Window :
en
- US2221374A - X-ray projection device :
en
- US2221678A - Elastic fluid turbine bucket wheel :
en
- US2221132A - Sole construction for shoes :
en
- FR858020A - Electricity meter with prepayment :
en
fr
- FR858082A - Distributor of grease and other similar materials :
en
fr
- DE698600C - Process for the operation of absorption refrigeration apparatus :
de
en
- CH212291A - Process for the production of a foaming agent. :
de
en
- US2220937A - Tour key for watchmen's signal systems :
en
- US2221254A - Magnesium base alloy :
en
- AU490639A - Shortwave radio transmitter :
en
- US2221458A - Cutter head :
en
- US2221463A - Clutch driven plate :
en
- USD123475S - Design fob a lace :
en
- AU111842B2 - Tractor and implement unit :
en
- AU122676B2 - Improvements in or relating to collet chuck :
en
- CH212204A - Process for the production of shaped structures, such as fibers, threads, horsehair, ribbons, films etc. from cellulose and cellulose derivatives. :
de
en
- CH212320A - Cable car with cable drum drive. :
de
en
- CA392494A - Refrigerator car floor rack :
en
fr
- US2220977A - Television system :
en
- US2221433A - Spray machine :
en
- US2221512A - Ball or roller bearing :
en
- CA392430A - Tool holder assembly :
en
fr
- US2221056A - Jar-holding device :
en
- AU356139A - Improvements in or relating to boxes made of cardboard or similar material :
en
- CH212333A - Process for the production of a nitrogen-containing naphthalene derivative. :
de
en
- CA392516A - Window rubber mounting :
en
fr
- AU111774B2 - Improvements relating tothe production of composite articles of rubber and fabric :
en
- US2221389A - Clothes wringer :
en
- US2221540A - Method of producing a resin :
en
- US2220994A - Check mechanism :
en
- US2221030A - Camera objective attaching mechanism :
en
- US2221105A - Electric filter :
en
- US2221484A - Method for bonding surfaces :
en
- US2221526A - Process for heat treating aluminum alloys :
en
- US2221519A - Method of combustion of liquid fuel :
en
- US2221710A - Wire terminal :
en
- US2221575A - Circuit interrupter :
en
- US2221723A - Vending machine :
en
- US2221194A - Decorative object :
en
- USD123545S - Design fob a scarf or similar article :
en
- DE698611C - Lock device for vessel conveyor systems in weather shafts :
de
en
- GB528961A - Improvements in target aeroplanes :
en
- US2221440A - Resinous composition, method of making the same, and article produced therefrom :
en
- CA392457A - Aircraft retractable winter landing gear :
en
fr
- CH212229A - Barricade. :
de
en
- US2220900A - Umbrella handle for holding rubbers, sandals, or overshoes :
en
- US2221488A - Motor vehicle :
en
- US2221521A - Electric ignition system :
en
- DE698707C - Letter scale with tilt lever :
de
en
- CA392446A - High frequency oscillator :
en
fr
- US2221667A - Ignition means for gas heaters :
en
- USD123505S - Design for a glass jug :
en
- US2221465A - Cartridge for oil filters :
en
- US2221738A - Ash receiver :
en
- CH212348A - Process for the preparation of an acidic triphenylmethane dye. :
de
en
- CH212250A - Device for guiding a back and forth swinging tool for planing. :
de
en
- US2221469A - Pipe still furnace and method of heating hydrocarbons :
en
- GB529040A - Improvements in cleaning and foaming compositions :
en
- US2221358A - Doorstep for the home :
en
- US2220952A - Production of improved pigments :
en
- US2221281A - Picker stick check strap for automatic looms :
en
- US2221621A - Section insulator :
en
- CH212187A - Process for pasteurizing liquids and execution means for carrying out this process. :
de
en
- CH212206A - Process for breaking up straw, reeds, maize fruit carriers and similar dry plant matter. :
de
en
- US2221317A - Angle-measuring instrument :
en
- US2221417A - Means for finishing bends :
en
- US2220964A - Television transmitter tube :
en
- US2221034A - Polyvinyl acetal resin sheets containing amyl succinate :
en
- US2221650A - Process of molding polysulphide polymers :
en
- US2221701A - Wire twisting machine :
en
- US2221304A - Rubber compound :
en
- CH212264A - Device for fine distribution of liquid, powdery and gaseous substances. :
de
en
- US2220927A - Recording system :
en
- US2221309A - Insulating element :
en
- CH212281A - Ignition and excitation circuit for mercury vapor rectifier. :
de
en
- CH212211A - Device for setting end pages on accounting typewriters. :
de
en
- CA392455A - Directional radio receiving installation :
en
fr
- DE698712C - Light metal pistons for internal combustion engines :
de
en
- DE698765C - Device for influencing the speed of a smooth roll carried along by the film :
de
en
- GB529080A - Improvements in and relating to valves or cocks :
en
- CH212157A - Window stay. :
de
en
- US2221568A - Roll film camera :
en
- USD123529S - Design fob a dress :
en
- CA392505A - Cutting die and bladed stock :
en
fr
- CH212147A - Window blocking and sealing device. :
en
fr
- DE698743C - Motor-driven device for cutting hard bandages, e.g. B. Gipsverbaende, as well as human and animal bones :
de
en
- CA392424A - Motion effect creating device :
en
fr
- CH212168A - Device for storing boys' and men's trousers. :
de
en
- CH212212A - Accounting apparatus. :
de
en
- CH212309A - Device for connecting two parts. :
de
en
- CH212199A - Process for the preparation of a pregnen-5-ol-3-one-20 derivative. :
de
en
- US2221250A - Magnesium base alloy :
en
- CA392407A - Trailer-crane :
en
fr
- CA392447A - Oscillator control :
en
fr
- US2221491A - Stud terminal rail bond :
en
- US2220926A - Internal combustion engine :
en
- AT159760B - Method for improving the wear resistance of cast iron liners, pistons, etc. by quickly creating a mirror-smooth inlet surface. :
de
en
- US2221547A - Heat protected pitot-static tube :
en
- US2221237A - Copyholder :
en
- US2221590A - Smoking pipe :
en
- US2221341A - Method of preparing petroleum waxes for coating containers :
en
- USD123489S - Design for a wallpaper :
en
- CH212246A - Steel for aeronautical, naval, railway, automobile constructions, etc. :
en
fr
- CH212171A - Tapping device on storage barrels. :
de
en
- DE698485C - Self-priming centrifugal pump :
de
en
- GB528914A - Improvements in and relating to the separation of materials of different specific gravities :
en
- GB529016A - Improvements in or relating to burial vaults :
en
- USD123544S - Design for a scarf :
en
- AU168840A - Improvements in or relating to looms with stationary weft supplies :
en
- CH212213A - Method and device for coloring the matrices of single-drum rotary duplicating machines. :
de
en
- USD123553S - Design for a hassock :
en
- AT159798B - Process for increasing the adsorption power of hydrosilicates. :
de
en
- US2221520A - Apparatus for manufacturing carbon dioxide :
en
- US2221183A - Method of sweetening petroleum distillates :
en
- AU111851B2 - Method of forming and maintaining a protective coating on metal surfaces :
en
- DE698528C - Device for preventing fogging of windshields :
de
en
- USD123512S - Multiple envelope or similar package :
en
- DE698571C - Preservation of green fodder :
de
en
- ES4650Y - A multi-plane visor for claims :
en
es
- DK58149C - High voltage switch. :
da
en
- GB529043A - Improvements relating to the moulding of goods containing fireclay :
en
- US2221534A - Method of making athletic balls :
en
- CH212292A - Air purification cartridge for breathing apparatus with corrugated sieves stacked crosswise. :
de
en
- AT159775B - Arrangement for differentiating the zeros that occur in an ambiguous bearing system. :
de
en
- US2220898A - Flexible plywood construction :
en
- US2221022A - Rotary staple cutting machine :
en
- US2221190A - Reverse lock for vehicles :
en
- USD123518S - Design for a dress :
en
- CA392522A - Sock for footwear :
en
fr
- DE698586C - Electric fluid switch with oil as switching fluid :
de
en
- AU111861B2 - Improvements in or relating to beverage brewing devices :
en
- AU492239A - Washing machine :
en
- US2221460A - Power operated collapsible vehicle top :
en
- US2220991A - Article support :
en
- US2221264A - Stepladder :
en
- US2221403A - Moving stairway handrail drive :
en
- CH212272A - Device for controlling electric motors. :
de
en
- US2221477A - Fence hardware :
en
- US2221560A - Stabilization of a zein solution by clarification :
en
- US2221703A - Electric unit heater :
en
- DE698530C - Conveyor belt support roll :
de
en
- US2221069A - Saw tooth wave generator :
en
- CA392499A - Ophthalmic mounting :
en
fr
- USD123484S - Design foe, a screen and storm sash
bracket :
en
- AU37740A - Improvements in or relating to beverage brewing devices :
en
- US2221280A - Electric socket and plug :
en
- CH212231A - DF system with remote-controlled DF coil. :
de
en
- AU111850B2 - Improvements relating to light signals :
en
- US2221466A - Ice cream cone dispenser :
en
- US2221704A - Holder :
en
- CH212257A - Removable sectioned elbow for sheet metal pipes. :
en
it
- AU111844B2 - Improvements in liquid dispensing systems :
en
- CA392419A - Ore sintering method :
en
fr
- CA392472A - Change speed gearing :
en
fr
- US2220904A - Radio compass system :
en
- US2221222A - Air compressor controller :
en
- US2221655A - Party line telephone system :
en
- CH212186A - Shoe trees. :
de
en
- CH212323A - Motor bogie on rail vehicles. :
de
en
- DK58155C - Device for Containers for Spraying Spray Liquid. :
da
en
- US2221114A - Bed covering :
en
- AU111864B2 - Improvements in or relating tothe reduction of magnesium :
en
- CA392503A - Heel manufacture :
en
fr
- CH212178A - Loom without shuttle. :
en
fr
- US2221208A - Process of making veneered tubing :
en
- US2220918A - Elastic fluid turbine bucket wheel :
en
- US2221359A - Hoist :
en
- AT159751B - Multi-walled sack made of paper or the like. :
de
en
- US2221461A - Offset disk harrow :
en
- CH212293A - Accounting apparatus. :
de
en
- CH212224A - Toy. :
de
en
- CH212269A - Gas turbine plant. :
de
en
- AT159762B - Starting magneto. :
de
en
- AT159780B - Money collecting box. :
de
en
- US2221536A - Motor carrier for power shellers :
en
- DE698719C - Electrical connection cable :
de
en
- FR858027A - Process for stabilizing hydrochloride and other rubber hydrohalides and resulting products :
en
fr
- CH212300A - Tuning procedure for coupled oscillation circuits. :
de
en
- US2221537A - Spark plug :
en
- US2221606A - Signaling system for night landing of aircraft :
en
- USD123502S - Design for a container cap :
en
- DE698592C - Suction excavator in which the cutting angle of the suction head does not change with changing inclinations of the suction pipe :
de
en
- DE698636C - Device on automatic cutters for roof tiles or the like. :
de
en
- DE698697C - Control gear for electric motors with auxiliary engine :
de
en
- GB529041A - Improved photographic process and light-sensitive elements therefor :
en
- GB529075A - Improvements in valve operating mechanisms for engines :
en
- GB529025A - Improvements in or relating to telephone systems :
en
- FR858029A - Process for catalytically splitting hydrocarbons :
en
fr
- GB529186A - Improvements in or relating to apparatus for joining together the ends of web material :
en
- FR857961A - Clutch device :
en
fr
- GB529195A - Improvements in or relating to sheet feeding apparatus :
en
- CH212145A - Process for the manufacture of agglomerated fibrous products and installation for the implementation of this process. :
en
fr
- CH212294A - Mechanical device for the delayed actuation of contacts, in particular on teletyping machines. :
de
en
- DE698723C - Wheel brake cylinder for fluid brakes, especially on motor vehicles :
de
en
- US2221373A - Candy :
en
- US2221008A - Apparatus for separating materials :
en
- US2221409A - Horn button assembly :
en
- US2221546A - Tractor :
en
- GB529127A - Magnesium carbonate composition and process for the preparation thereof :
en
- GB529104A - Improvements in tumbling barrels :
en
- GB529201A - Improved mechanism for closing carton ends :
en
- GB529230A - Improvements in or relating to protective arrangements for windows and similar openings :
en
- AU521539A - Improvements relating tothe production of composite articles of rubber and fabric :
en
- GR9336B - METHOD FOR THE PREPARATION OF SULPHONAMIC COMPOUNDS. :
el
en
- DE698632C - Nail feeding device for shoe machines :
de
en
- FR857964A - High-value structural steel for heavy construction :
en
fr
- GB529177A - Improvements in or relating to record-controlled photographic apparatus :
en
- DE698780C - Paw support for DC traction motors in electrically powered vehicles :
de
en
- ES4614Y - Folding chair :
en
es
- DE698625C - Maltese cross gearbox for motion picture projector :
de
en
- GB529042A - Improvements in the stuffing boxes of sluice and stop valves :
en
- GB529076A - Improvements in and relating to vehicle bodies :
en
- FR858076A - Grapple to form defensive obstacles for all applications and especially against tanks :
en
fr
- ES4635Y - Steps with hardener band :
en
es
- GB529175A - Improvements in or relating to centrifugal pumps, particularly circulating pumps :
en
- FR857982A - Device for igniting and feeding electric discharge tubes :
en
fr
- FR857991A - Shoe Edge Cutting Machine :
en
fr
- GB529012A - Improvements in and relating to control mechanism for internal combustion engines :
en
- GB529197A - Improvements in or relating to alkylation of hydrocarbons :
en
- GB529069A - Improvements in or relating to clamping bolt fastenings for securing lids and the like :
en
- FR858022A - Radio receiver :
en
fr
- FR858075A - Improvements in the assembly of handles or the like of window regulators or others :
en
fr
- GB528911A - Improvements in or relating to the construction of aircraft :
en
- FR50479E - Adjustable hydraulic shock absorber :
en
fr
- GB529110A - An improved process for treating flour to remove therefrom objectionable smells or flavours :
en
- DE698465C - Foldable deck chair with a lying surface suspended between a rear and a front pair of foot rests :
de
en
- DE698588C - Moving grate :
de
en
- FR858053A - Device for controlling shutters or sash windows :
en
fr
- GB529216A - Improvements relating to metal spraying :
en
- GB529079A - Improvements in or relating to the supercharging of compressors by means of a rotary blower :
en
- US2221265A - Film holding device :
en
- DE698580C - Arrangement with masses swinging back and forth, especially alarm clock :
de
en
- GB529185A - Improvements in and relating to pipe connections :
en
- GB528996A - Improvements relating to push-button control mechanisms :
en
- CA392456A - Television receiver :
en
fr
- CA392524A - Clutch or brake cooling means :
en
fr
- DE698613C - Process for thickening and solidifying water-insoluble organic liquids :
de
en
- FR858034A - Fire detector capable of automatically activating an extinguishing system :
en
fr
- GB529045A - Improvements in and relating to dynamo electric machines :
en
- GB528983A - Improvements in and relating to electrode salt bath furnaces :
en
- DE698510C - Roller suspension ring for curtains :
de
en
- DE698633C - Igniter with flying bodies :
de
en
- DE698669C - Illuminated advertising device for passenger vehicles and other vehicles with a top :
de
en
- FR857993A - Automatic control mechanism for motor vehicle gearboxes :
en
fr
- US2221023A - Production of staple fiber yarns :
en
- US2221087A - Converter automatic gain control :
en
- US2220887A - Electrolytic condenser :
en
- DE698352C - Relocated keeled aircraft swimmer :
de
en
- CA392521A - Automobile brake equalizer :
en
fr
- US2221285A - Silver alloy :
en
- US2221588A - Regulating system :
en
- US2221687A - Transformer assembling method and apparatus :
en
- US2221310A - Fabricated insulation :
en
- US2221628A - Blueprint coating :
en
- USD123515S - Game table or similar article :
en
- US2221066A - Process for the recovery of the sulphurous acid produced in the sulphite cellulose cooking process :
en
- US2221095A - Door locking and latching mechanism :
en
- US2221603A - Means of charging dust at wire supports of electrical precipitators :
en
- US2220917A - Camera :
en
- DE698601C - Chimney for steel works converter :
de
en
- CA392408A - Car journal lubricator :
en
fr
- CH212306A - Electrical angle transmission device. :
en
fr
- USD123476S - Design for a lace :
en
- CH212230A - Marching compass. :
de
en
- US2220890A - Traction vehicle :
en
- FR858100A - High pressure cylinder with single acting piston :
en
fr
- GB529199A - Improved method of and means for applying sealing strips, labels or the like to carton ends :
en
- US2220882A - Film treatment :
en
- NL49545C - :
en
- US2220961A - Soldering alloy :
en
- US2221070A - Electron multiplier tube :
en
- US2221077A - Gas supply system :
en
- US2221455A - Nozzle :
en
- DE698715C - Wind direction recorder :
de
en
- GB529090A - Arrangement for varying the tuning of an oscillatory electric circuit :
en
- USD123485S - De sign fob a fountain pen or similar
article :
en
- FR50451E - Improvements to air navigation devices :
en
fr
- CA392492A - Tool orienting apparatus :
en
fr
- US2220930A - Polymerization of hydrocarbons :
en
- US2221372A - Journal and bearing :
en
- FR50496E - Invisible lighting system through glazing :
en
fr
- CA392468A - Elastic yarn making machine :
en
fr
- US2221017A - Safety device for tension shutters :
en
- US2221296A - Garment hanger :
en
- US2221730A - Safety razor :
en
- US2221707A - Dynamoelectric machine :
en
- AT159786B - Sinks, sinks, sinks, etc. like :
de
en
- DE698452C - Seal between the one-sided mounted drainage pipes of bag filters and the pipe socket leading through the container wall :
de
en
- DE698609C - Concrete bathtub foot :
de
en
- DE698634C - continuous strip of staple fiber sections :
de
en
- DE698774C - Boat launch device with folding davits arranged within the length of the boat :
de
en
- DE677374C - Headbox for paper machines :
de
en
- GB528923A - Improvements in or relating to trawling gear :
en
- FR858093A - Battle Tank :
en
fr
- US2220883A - Circuit controller :
en
- ES5301U - Device to keep the tips of the collar of the non-starched shirt stretched. (Machine-translation by Google Translate, not legally binding) :
en
es
- GB528948A - Improvements in tubular heat exchangers intended particularly for heating air by hot water or steam :
en
- DE686236C - Contact device and switching mechanism with tilting action for electrical clocks :
de
en
- DK58153C - Storage comb for knitting machines. :
da
en
- GB529225A - Method and apparatus for producing fire foam :
en
- GB528952A - Improvements in or relating to photographic copying and projection apparatus :
en
- DE698514C - Control device for internal combustion engines :
de
en
- ES4625Y - A multiple school piggy bank :
en
es
- FR50462E - Insulator for high voltage overhead lines :
en
fr
- FR858085A - High frequency electric wave transmission systems :
en
fr
- US2221214A - Coagulant composition :
en
- FR50465E - Feeder h.f. high impedance for t.s.f. :
en
fr
- DE698599C - Method and device for operating absorption refrigeration apparatus :
de
en
- CA392452A - Electric discharge device :
en
fr
- US2221052A - Bakepan :
en
- US2221075A - Brake mechanism :
en
- US2221658A - Production of valuable products from methane gases :
en
- CH212248A - Flexible pleated tube. :
de
en
- FR858079A - Improvements to the pressure devices of stretching systems for fiber materials :
en
fr
- GB528953A - Improvements relating to aspirators for granular or powdered materials :
en
- US2221059A - Folded blind :
en
- US2221675A - Composition top sole :
en
- GB529029A - Improvements relating to loom shuttles :
en
- IE15969L - Metal netting :
en
- DE698721C - Process for killing the grain beetle and other grain pests :
de
en
- CH212160A - Process for the production of heating briquettes. :
de
en
- CH212232A - Arrangement for keying radio beacons. :
de
en
- US2221199A - Transmission control system and mechanism :
en
- US2221507A - Pad or covering for spring structures :
en
- AT159754B - Gyroscopic device, especially gyroscopic solder. :
de
en
- US2221428A - Counterbalance device :
en
- US2221474A - Method of depositing fluorescent material :
en
- US2221073A - Dust separator :
en
- US2221197A - Milk bottle cap and method of making the same :
en
- US2220966A - Titanium oxide suspensions :
en
- CA392417A - Brick wall laying method :
en
fr
- US2221444A - Process of and appabatus fob :
en
- CH212311A - Braking system for motor vehicles. :
en
fr
- CA392480A - Compressed and densified product :
en
fr
- US2221415A - Reduction gearing :
en
- US2221439A - Smoking pipe, cigar, or cigarette holder :
en
- US2221154A - Apparatus for testing concentricity of spark plug porcelains :
en
- US2221082A - Coincidental lock :
en
- US2221641A - Black nickel finish :
en
- US2221698A - Transfer conveyer mechanism :
en
- CA392484A - Work squaring table :
en
fr
- CH212344A - Process for the preparation of a new ester of the dihydrooestrine series with a free phenolic hydroxyl group. :
de
en
- DE698744C - Protective mask for welders, solderers or the like. :
de
en
- AU122633B2 - Improvements in or connected with rangefinders, heightfinders and like optical measuring instruments :
en
- US2221209A - Method of making jacketed rods and the like :
en
- US2220979A - Signal device :
en
- US2221495A - Straight bar knitting machine :
en
- US2220881A - Recording apparatus for detector cars :
en
- US2220941A - Stabilized mineral oil composition :
en
- CH212278A - Arrangement for reducing electrical oscillation phenomena in power converter systems. :
de
en
- CH212312A - Device for starting up and shifting gears in motor vehicles with a gearbox, friction clutch and auxiliary device for actuating this clutch. :
de
en
- DE698728C - Process for the preparation of diguanidine salts :
de
en
- GB528940A - Improvements relating to magnetic electric relays :
en
- US2220945A - Combination azimuth and bearing circle :
en
- US2221587A - Voltage regulator :
en
- US2221622A - Purification of manganese :
en
- US2221313A - Hydraulic control system :
en
- US2221563A - Food composition :
en
- US2221611A - Current collector :
en
- US2221668A - Flexible shaft coupling :
en
- US2221117A - Rotation mechanism for rock drills :
en
- US2221553A - Wheel :
en
- US2221081A - Valve assembly :
en
- US2221424A - Toy metal embossing machine :
en
- CH212332A - Process for the production of a nitrogen-containing naphthalene derivative. :
de
en
- US2220935A - Racket :
en
- US2221203A - Automobile jack supporting base :
en
- CA392459A - Fibrous material digesting method :
en
fr
- USD123547S - Design for a dress :
en
- US2221684A - Elastic fluid turbine bucket wheel :
en
- CH212303A - Cathode ray image decomposer. :
de
en
- CH212337A - Process for the preparation of a ketone of the cyclopentanopolyhydrophenanthrene series. :
de
en
- US2221691A - Vacuum distillation :
en
- AT159759B - Arrangement for power take-off on internal combustion engines with multi-cranked crankshafts. :
de
en
- CA392420A - Hot water radiator :
en
fr
- US2221608A - Switch structure :
en
- US2221156A - Two-cycle diesel engine :
en
- US2221182A - Sun visor :
en
- US2221426A - Built-up container :
en
- US2221514A - Roller bearing :
en
- FR858074A - Ceramic products, and their preparation process :
en
fr
- CH212216A - Photoelectric light meter. :
de
en
- CH212159A - Method for preparing kindling wood. :
de
en
- AU155640A - Method of forming and maintaining a protective coating on metal surfaces :
en
- US2221014A - Clutch and brake unit :
en
- US2221388A - Boot and shoe heel construction :
en
- AU111862B2 - Improvements in or relating to beverage brewing devices :
en
- US2220892A - Method of preparing ammonium nitrate explosives :
en
- US2221595A - Combined heat element and baffle :
en
- DE685373C - Single spring-tongued turnout that can be used as a right and left turnout :
de
en
- FR50457E - Improvements to telephone systems :
en
fr
- FR858036A - Armored combat vehicle :
en
fr
- USD123552S - Design for a sup :
en
- US2221068A - Electrodynamic loudspeaker :
en
- AT159756B - Slot-controlled injection pump, in particular for internal combustion engines. :
de
en
- DE698582C - Steel aluminum contact wire :
de
en
- DE698717C - Hydrostatic weir :
de
en
- US2221049A - Work loading mechanism for lathes :
en
- GB528941A - Mixing apparatus :
en
- GB529023A - Process for the manufacture of condensation products from ª‰-tocopherol and ª‡, ª‰-unsaturated alkyl halides :
en
- DE698495C - Flushing method for creating a channel in shallow waters for laying cables from a vehicle :
de
en
- DE698607C - Operating device for air blowers, especially for dental treatment purposes :
de
en
- CH212215A - Cinematographic image playback device. :
de
en
- FR858061A - Improvements to track circuit signaling systems :
en
fr
- CH212314A - Body for vehicles with air-cooled engines, in particular for streamlined vehicles with rear engines. :
de
en
- US2221355A - Cooking material receptacle and spoon leveler :
en
- US2221538A - Classification system :
en
- GB529141A - Fuel injection apparatus for internal combustion engines :
en
- US2221188A - Electrical musical instrument :
en
- US2221266A - Material spreader :
en
- US2221517A - Electric valve circuits :
en
- US2221690A - Therapeutic composition :
en
- US2221448A - Wet sanding machine :
en
- FR858026A - Air- and gas-tight wall feed-through for electrical conductors, especially in high altitude aircraft :
en
fr
- AT159777B - Arrangement for previewing the controllable secondary voltage of a high voltage transformer, especially in X-ray systems. :
de
en
- CA392454A - Electric discharge device :
en
fr
- CH212327A - Device for distributing and mixing clay, loam or the like. :
de
en
- US2220928A - Method of and apparatus for producing and utilizing radiant heat :
en
- GB528959A - Improvements in or relating to anti-adhesion compositions :
en
- GB528904A - A process for removing organic acids from water-insoluble organic liquids :
en
- CA392469A - Wireless aerial system :
en
fr
- GR9331B - CLEANING OF STAINLESS STEEL ROTATIVE OVEN. :
el
en
- CH212338A - Process for the preparation of a polyoxy compound of the cyclopentanopolyhydrophenanthrene series. :
de
en
- FR858012A - Spool valve pneumatic dressing hammer :
en
fr
- CH212210A - Process for the production of printing forms and intermediate forms therefor. :
de
en
- FR858050A - Saddle fittings of bicycles, tandems or the like with new arrangements of the triangulation support points :
en
fr
- FR858056A - Improvements to adjustable pitch propellers :
en
fr
- NL52998C - :
en
- US2221029A - Azo compounds and material colored therewith :
en
- US2221419A - Needle :
en
- GB528945A - Improvements in or relating to air purifying or regenerating cartridges :
en
- GB529030A - Improvements in methods of initiating electric arcs fed by controlled rectifiers for carrying out chemical reactions :
en
- DE698766C - Process for the production of films for black and white projection :
de
en
- FR857963A - Electronic lamp with an indirectly heated cathode for ultra-short waves :
en
fr
- GB529152A - Improvements in or relating to radio aerial arrangements :
en
- IE16308L - Calling line identification. :
en
- FI18886A - Förfaringssätt och apparat för rening av avfallsvatten :
en
fi
- GB529087A - Improvements in and relating to aircraft landing gear :
en
- DE698626C - Winding motor assembly on film cassettes or film spools :
de
en
- GB529144A - Improvements connected with multiple spindle metal cutting machines or screw machines :
en
- DE698489C - Tear rail with guide head set up for straight or parallel guidance :
de
en
- GR9330B - METHOD OF ACCUMULATION OF CELLULAR WASTE FOR INDUSTRIALIZATION. :
el
en
- US2221104A - Television receiver :
en
- FR858055A - Improvements to piezoelectric cells :
en
fr
- DE698591C - Folding camera :
de
en
- FR857997A - Electrically heated circulating air furnace for annealing or tempering :
en
fr
- GR9333B - IMPROVED IN THE REFINERY AND PRODUCTION OF ALUMINUM. :
el
en
- US2221626A - Treatment of manganese :
en
- US2220970A - Lubricant :
en
- US2221345A - Electrical receptacle or outlet :
en
- US2221192A - Nail and separator removing spade :
en
- US2221384A - Weft thread feed mechanism :
en
- AT159757B - Clamping device for gripping or coupling cylindrically drilled hollow bodies, in particular overrunning clutch. :
de
en
- USD123504S - Design for a bake pan :
en
- US2221044A - Manually operated hydraulic lock :
en
- CH212304A - Cathode ray image decomposer. :
de
en
- DE698615C - Filler for non-rubbery plastics, especially cellulose acetate masses :
de
en
- GB529184A - Improvements in intermittent driving gear for glass forming machines :
en
- CH212164A - Carburetor. :
en
fr
- AT159789B - Electric resistance welding machine for the production of wire grids of various mesh sizes. :
de
en
- AU561339A - Improvements in or relating to rubber composition and method of preserving rubber :
en
- CH212151A - Parquet floor. :
de
en
- CH212297A - Telephone for several people. :
de
en
- CA392491A - Heat insulating unit :
en
fr
- USD123511S - De sign fob a parachute pack :
en
- CH212243A - Watch movement. :
en
fr
- GB528999A - Improvements in handles, knobs, and like devices :
en
- FR50453E - Adjustable hydraulic shock absorber :
en
fr
- US2221103A - Hoisting device :
en
- US2221171A - Polymerization of hydrocarbons :
en
- US2221193A - Slab foundation for buildings or other structures :
en
- US2221169A - Oil treating unit :
en
- US2220955A - Combination collar button and necktie support :
en
- US2221501A - Rotary pump :
en
- US2221689A - Method for tendering meat :
en
- US2221411A - Separable fastener :
en
- US2221001A - Ventilating ceiling :
en
- US2221167A - Cooling system :
en
- US2221640A - Apparatus for testing the quality of grain and flour :
en
- CA392496A - Railway car end wall :
en
fr
- AU122666B2 - Improvements in and relating to wrenches :
en
- CA392439A - Tire chain :
en
fr
- US2221172A - Conversion of hydrocarbon oils :
en
- US2221338A - Deposition of material :
en
- CA392473A - Brake lining glass fabric :
en
fr
- US2220980A - Parasiticide :
en
- US2221021A - Centering spring for range finder brackets :
en
- US2221632A - Corner construction :
en
- US2221633A - Thermostatic apparatus :
en
- USD123501S - Design fob a passenger boat :
en
- CH212184A - Machine for washing goods such as fabrics. :
en
fr
- DE698486C - Start-up relief valve for rotary lobe pumps :
de
en
- AU489739A - Improvements relating to electrical phase shifting devices :
en
- DE698451C - Process for etching colors with substantive azo dyes :
de
en
- USD123528S - Design fob a dress :
en
- DE698620C - Brake and accelerometer :
de
en
- CH212197A - Process for the preparation of a derivative of 2,3,6-triaminopyridine. :
de
en
- CH212274A - Remote time switches, in particular for stairwell lighting. :
de
en
- US2221298A - Rack covering :
en
- US2221011A - Method and apparatus for producing mineral wool :
en
- US2220946A - Keyboard mechanism :
en
- US2221137A - Safety cleaning tool :
en
- US2221544A - Automatic time switch :
en
- AU1455244A - Improvements in electric oscillators :
en
- US2221148A - Blind stitch sewing machine :
en
- US2221407A - Typewriter machine :
en
- GB529171A - Improvements in and relating to temperature regulators :
en
- AU102340A - Improvements relating to light signals :
en
- CH212265A - Automatic needle nozzle. :
de
en
- US2220884A - Sextant :
en
- US2220956A - Oscillation generator :
en
- CH212162A - Automatic oil supply device on oil furnaces. :
de
en
fr
- CH212288A - Process for disinfecting objects and spaces. :
de
en
- CH212319A - Device for locking hand brakes on vehicles such as bicycles etc. :
de
en
- US2221145A - Refrigeration :
en
- US2221334A - Macaroni filter :
en
- FR858015A - Mixture for the absorption of carbon dioxide :
en
fr
- GB529013A - Improvements in and relating to froth flotation :
en
- GB529072A - Split piston-rings :
en
- US2220908A - Production of colored photographic images by color development :
en
- AU148040A - Improvements in or relating to circuit-arrangements comprising an inductance provided withan iron core :
en
- CH212154A - Oven. :
en
fr
- DE698537C - in AC systems :
de
en
- US2221695A - Apparatus and method for making thin rubber articles :
en
- GB528957A - Improvements in and relating to treating chambers in which water is sprayed into an air stream :
en
- FR50476E - Method and devices for centering the brake shoes at rest :
en
fr
- GB528990A - Improvements in or relating to an electric meter of the frequency measuring or discriminating type :
en
- GB529021A - Improvements in or relating to electrical measuring instruments :
en
- FR858098A - Electrically heated pitot tube :
en
fr
- FR857999A - Process for the production of aromatic alkenylated hydroxycarboxylic acids :
en
fr
- CA12899S - Printed textile material :
en
- DE698490C - Ball mount for firearms :
de
en
- GB528946A - Improvements in or relating to copying devices :
en
- DE698481C - Roll film camera :
de
en
- DE698726C - Process to prevent the flow of the carbon dioxide enriched with grainy components :
de
en
- CA392504A - Shoe edge-setting machine :
en
fr
- AU111853B2 - Improvements relating to reciprocating screens :
en
- DE698690C - Painter's brush :
de
en
- US2221098A - Portable picnic stove :
en
- USD123470S - Design fob a back bab :
en
- DE698512C - Tablet press for fiber-containing synthetic resin pulp masses :
de
en
- DE698738C - Coupling arrangement for high frequency transmitters, especially for short waves :
de
en
- US2221115A - Multiple trace oscillograph system :
en
- US2221303A - Educational device :
en
- US2220985A - Classification of mixed divided material :
en
- DE698450C - ei strip mills :
de
en
- DE698469C - Telescope system for rangefinder :
de
en
- US2221144A - Means for controlling servomotors :
en
- US2221216A - Air operated device :
en
- US2221162A - Lubricating oil :
en
- US2221530A - Refrigerating system :
en
- US2221129A - Telegraph distortion measuring system :
en
- US2221447A - Electron multiplier :
en
- US2221040A - Antiglare device for head lamps :
en
- US2221302A - Investment ring heater :
en
- US2221535A - Piston :
en
- US2221713A - Knitting machine :
en
- US2221177A - Can closure :
en
- US2221225A - Balancing and leakage device for centrifugal pumps :
en
- US2221385A - Separation of solids from gases :
en
- US2221394A - Mechanical shaving device :
en
- US2221673A - Collar holder :
en
- USD123507S - Base for railway crossings :
en
- CH212268A - Gas turbine system with compressor and heat exchanger. :
de
en
- AU1521444A - Apparatus for separating suspended particles from gaseous media :
en
- US2220888A - Refrigerating apparatus :
en
- US2221316A - Rubber process :
en
- US2221634A - Manifolding machine :
en
- US2221722A - Method of making elastic fluid turbine buckets :
en
- DE698536C - Circuit arrangement for company lines with teletype operation :
de
en
- DE698624C - Honor of cassettes for individual layer carriers :
de
en
- FR857967A - Device for transporting and / or keeping a drawer removed from a cash register :
en
fr
- FR857977A - Improvements to universal couplings :
en
fr
- US2220921A - Apparatus for applying flock :
en
- US2221135A - Method and form for making dress shields :
en
- US2221613A - Propeller having an automatically variable pitch :
en
- US2221583A - Gas combustor unit :
en
- US2221577A - Machine for marking scales on work :
en
- DE698630C - Paddle wheel with narrow, moving blades :
de
en
- DE698684C - Rail current switch :
de
en
- FR857957A - Liquid cooled cylindrical discharge vessel :
en
fr
- FR858073A - Improvements made to lifting surfaces for aerodynes :
en
fr
- CA392509A - Vibratory motor device :
en
fr
- CH212247A - Process for the production of metallic materials with high temperature starting recrystallization. :
de
en
- US2221179A - Fuel injection pump :
en
- US2221325A - Adjustable clamping device :
en
- US2221333A - Stabilized soap :
en
- US2221404A - Treatment of glyceride oils :
en
- CH212209A - Casting device of a die setting and line casting machine. :
de
en
- US2220906A - Drying oil :
en
- US2221083A - Engine starter :
en
- US2220992A - Pencil and crayon rod :
en
- US2221301A - Treatment of unsaturated hydrocarbon oils :
en
- USD123561S - Design fob a wallpaper :
en
- USD123523S - Design fob a dress :
en
- USD123535S - Design for a dress :
en
- US2221289A - Umbrella :
en
- US2220912A - Merchandise package :
en
- US2220976A - Shortening :
en
- GB529095A - Improvements in calculators :
en
- US2221241A - Paper padding press :
en
- FR50489E - Process for the preparation of aliphatic polyureas :
en
fr
- DE698729C - Water tube boiler :
de
en
- US2221300A - Ash tray :
en
- US2221666A - Periodic wave repeater :
en
- CA392511A - Acid amide compound manufacture :
en
fr
- US2220986A - Pipe joint clamp :
en
- US2221383A - Cellulosic structure and method for producing same :
en
- US2221353A - Process for treating oil wells :
en
- US2221480A - Gravity measurements :
en
- DE698496C - Process to prevent scale formation :
de
en
- DE698603C - Protective box made of sheet iron for pupin coils :
de
en
- CH212316A - Power transmission device with a hydraulic fluid transmission to which a hydraulically operated friction clutch is connected, in particular for motor vehicles. :
de
en
- DE698573C - Drawing mold for the manufacture of protective gas masks made of leather or leather-like plastics :
de
en
- DE698635C - Four-footed toy figure, driven by a spring drive, representing an animal or the like :
de
en
- US2221189A - Rotary pump :
en
- US2221357A - Extensible and flexible barricade :
en
- US2221714A - Brake rigging :
en
- US2221529A - Door lock :
en
- GB529002A - Improvements relating to the cutting mechanism of machines for mowing grass and other plants :
en
- GB529083A - Improvements in or relating to electrically operated sewing machines :
en
- CH212195A - Process for the preparation of trichloroacetonitrile. :
de
en
- GB529100A - Improvements in or relating to selector switches for use, for instance, in telephone systems :
en
- US2221163A - Recovery of silver from spent photographic solutions :
en
- US2220953A - Signaling device :
en
- DE698497C - Removable dust jacket for books and notebooks :
de
en
- GB528994A - An improved process for the preparation of purified vitamin a ester concentrates :
en
- GB528981A - Improvements in or relating to the manufacture of metal beams and like sections :
en
- GB529164A - Improvements relating to constant mesh variable speed gear :
en
- DE698587C - Device for separating a coupling line between two generating systems when a certain minimum value of a pendulum frequency occurs :
de
en
- DE698645C - Circuit of an electron beam indicator :
de
en
- DE698665C - Address printing machine :
de
en
- DE698640C - Process for filling and sealing porous, permeable soil layers such as gravel, sand and the like. Like layers :
de
en
- US2221010A - Air conditioning device :
en
- US2221470A - Method of making flexible pressure containers :
en
- DK58154C - Dry Gas Meter. :
da
en
- US2221153A - Sheet feeder :
en
- US2221218A - Negative holder for photographic enlargers :
en
- DE698654C - Manufacture of drying agents :
de
en
- DE698494C - Loading device for grainy substances :
de
en
- GB529192A - Improvements in or relating to means for fixing rails to sleepers :
en
- GB528978A - Overhead outdoor switchgear with improved actuating mechanism :
en
- NL49593C - :
en
- GB529173A - Covers for the ribbon spools of typewriters :
en
- GB529074A - Improvements in and relating to electric discharge devices :
en
- DE698653C - Cleaning agents, especially for wood, linoleum and parquet :
de
en
- US2221671A - Gas dielectric media :
en
- US2221490A - Reclaimed rubber and method of producing the same :
en
- DE698694C - Coin totaling device for self-sellers, in particular coin telephones :
de
en
- GB529150A - Improvements in cop, bobbin and spool winding apparatus :
en
- DE698718C - Centrifugal machine whose impeller blades are adjustable between the impeller hub and the impeller outer rim :
de
en
- FR857953A - Chrome metallurgy upgrades :
en
fr
- US2221387A - Power take-off :
en
- US2220998A - Thermostatic expansion valve :
en
- US2220885A - Record projector :
en
- US2221496A - Sealing means for liquids :
en
- DE698760C - Demonstration device for circulating, internal or written carriers :
de
en
- GB529166A - Improvements in purifying solutions of manganese salts :
en
- US2221652A - Telephone system :
en
- DE698736C - Device for preventing the emission of selective currents by means of the hook switch :
de
en
- CA392438A - Metal container and key :
en
fr
- DE698666C - Device for mixing fuel dust and air engine :
de
en
- DE698671C - Device for the projection of film images with optical compensation :
de
en
- DK58147C - Multi-row Signal and Switching Apparatus. :
da
en
- GB529039A - Improvements in apparatus for feeding ingots to melting-pot furnaces :
en
- FR50470E - Advanced projection device :
en
fr
- DE698610C - Skipkuebel :
de
en
- DE698544C - Filling device for floury or grainy substances :
de
en
- US2221130A - Method of making ingot mold plugs :
en
- US2221242A - Drill :
en
- GB529006A - Improvements in or relating to a machine for cutting and punching or drilling :
en
- GB528921A - Improvements in or relating to the production of lignin :
en
- GB529129A - Improvements in control mechanism for electric range cooking units :
en
- US2220919A - Coke oven battery :
en
- US2220988A - Adhesive of the remoistening type :
en
- FI18885A - Centraliskylningsanläggning :
en
fi
- GB529064A - Improvements in or relating to band pass filters :
en
- GB529174A - Improvements in and relating to road surface boxes :
en
- GB528977A - Improvements in electrolytic condensers :
en
- GB529135A - Improvements in and relating to bessemer converters :
en
- DE698598C - Device for generating cold :
de
en
- DE698771C - Cushioning, especially for motor vehicles :
de
en
- US2220987A - Remoistening adhesive :
en
- US2221099A - Cultivator :
en
- US2221518A - Desalting system :
en
- US2221240A - Toy machine gun :
en
- US2221472A - Auxiliary engine feeding device :
en
- FR858065A - Improvements to mixer-enrichers and scrubbers for wood gasifiers :
en
fr
- DE698662C - Process for the production of water-white, translucent or light-colored rubber articles :
de
en
- GB529081A - Improvements in coumaranes and chromanes and method of producing the same :
en
- GB529034A - Improvements in or relating to the manufacture of electric cells, batteries, or the like :
en
- DE698745C - Device for suction massage :
de
en
- GB528974A - Improvements in or relating to trailer vehicles :
en
- GB528986A - Apparatus for facilitating the unwinding and straightening of wire from reels or the like :
en
- AT159758B - Distributors for ignition devices. :
de
en
- CA392404A - Fire detector and alarm :
en
fr
- CA392462A - Water resistant zein composition :
en
fr
- CA392517A - Window connector strip :
en
fr
- DE698643C - Process for the pure preparation of easily polymerizing organic compounds :
de
en
- AU1607744A - Manually operated air pump :
en
- CH212260A - Packing press for fruit juice extraction. :
de
en
- GB528943A - Improvements in or relating to electric lamp fittings with lamp locking devices :
en
- US2221532A - Latch for closure :
en
- US2221639A - Power driving means :
en
- DE698542C - Copier :
de
en
- DE698658C - medical instruments by means of a stream of hot air circulating past electrical heating elements :
de
en
- GB529162A - Improvements relating to milling machines :
en
- GB529024A - Improvements in fluid pressure operated implement :
en
- DE698565C - Plant for roasting bast fiber stalks :
de
en
- FR857996A - Improvements to row seeders :
en
fr
- US2221158A - Sectional trolley guard :
en
- US2221468A - Apparatus for handling strip metals :
en
- GB528935A - Improvements relating to electrical systems for the automatic regulation of a variable quantity :
en
- FR50494E - Process for extracting starch by washing from the ground ground mass containing starch and device for carrying out this process :
en
fr
- GB529137A - Improvements relating to roll grinding machines :
en
- GB528934A - Improvements in electric circuit breakers of the gas blast type :
en
- GB528942A - Improvements relating to screw-down taps :
en
- GB529191A - A device for protecting a human being against rain :
en
- GB529131A - Improvements in or relating to electrical filters of the piezo electric crystal type :
en
- FR857952A - Unitubular steam generator :
en
fr
- FR858087A - Electro-dynamic apparatus intended to transform sounds and comprising an oscillating coil placed in a magnetic field :
en
fr
- GB528964A - Improvements in or relating to detergent compositions for washing dishes, cutlery and the like :
en
- US2220943A - Adhesive applying machine :
en
- US2221615A - Single anode hg arc rectifier :
en
- US2221649A - Building block :
en
- USD123497S - Design for a flytrap :
en
- GB529001A - Improvements in or connected with throttle valves for carburetters and other conduits :
en
- DE698724C - Night safe system :
de
en
- US2221724A - Safety valve :
en
- GB529050A - Method for the manufacture and production of curled monofil :
en
- DE698638C - Process for the production of concrete stone slabs :
de
en
- NL50133C - :
en
- FR50456E - :
fr
- ES4640Y - A new wooden shovel for winnowing crops :
en
es
- CA392490A - Cylindrical object transportation system :
en
fr
- DE698602C - utilities, especially for road building :
de
en
- GB528951A - Improvements in or relating to apparatus for sealing tins, canisters, jars and the like under vacuum :
en
- CH212169A - Cleaning device with bristles made from tree-grown wood. :
de
en
- US2220965A - Seal :
en
- US2221642A - Tire tread and method of making the same :
en
- AT159766B - Rotor cooling arrangement in multi-cell rotary lobe compressors. :
de
en
- US2221295A - Trouble light holder and switch :
en
- AU111848B2 - Improvements in straw walkers for harvesting machines :
en
- AU123440A - Improvements in or relating tothe reduction of magnesium :
en
- CA392427A - Paper transparency :
en
fr
- FR50460E - Improvements to devices for sorting electrified particles and application to television :
en
fr
- AT159792B - Process for the production of artificial structures such as rayon, synthetic staple fibers, horsehair, ribbons, films and the like. Like., from alkaline casein solutions. :
de
en
- CH212301A - Method for transmitting messages by means of frequency-modulated carrier waves. :
de
en
- CA392440A - Ophthalmic mounting :
en
fr
- DE698558C - Electric pressure gas switch with insulating nozzle :
de
en
- FR858051A - Automatic piston regulator :
en
fr
- AU1545744A - Improvements in or relating to welding rods :
en
- GB529217A - Improvements in pressure applying devices for small portable drilling machines :
en
- CA392406A - Foot corn protector :
en
fr
- CA392449A - Lamp prefocusing apparatus :
en
fr
- CA392470A - Electric commutator :
en
fr
- DK58148C - Procedure for Operating Cathode Ray Tubes. :
da
en
- US2221582A - Insulated runner for trolley devices :
en
- US2221228A - Tool for flaring tubes :
en
- US2221571A - Commutator and clamping structure therefor :
en
- DE698457C - n by means of centrifugal force controlled carbon column resistors :
de
en
- US2221057A - Well agitator :
en
- USD123543S - Design fob a dress ok similar
article :
en
- CA392488A - Air humidifying apparatus :
en
fr
- US2221636A - Condition controller :
en
- US2220942A - Acoustic device :
en
- US2220997A - Apparatus for feeding material :
en
- DE698647C - Insulators for guy guying :
de
en
- DE698579C - Target for miniature shooting devices :
de
en
- GB529190A - Improvements relating to the production of fibrous material :
en
- US2221173A - Sanding or polishing wheel :
en
- US2221170A - Automatic spectrophotometer :
en
- US2221504A - Box and the like :
en
- GB528968A - Improvements in or relating to coal cutting machines and the like for the laying of dust and suppression of flame, and dissipation of gas :
en
- GB529198A - Improvements in and relating to machines for shaping cartons :
en
- AU494239A - Improvements in and relating to aircraft :
en
- DE698516C - Protective cap for spark plugs :
de
en
- GB529106A - Improvements in goggles :
en
- DE698628C - Aircraft with either rotating or fixed wings :
de
en
- DE698529C - razor :
de
en
- DE698753C - Projector with an automatic image changing device for the demonstration of individual slides :
de
en
- FR858037A - Method and device for improving the operation and efficiency of injection engines :
en
fr
- US2221217A - Permeability tuned coupling device :
en
- US2221437A - Fishing float :
en
- GB528936A - Improvements in and relating to high tension electric isolating switches :
en
- USD123521S - Design for a dress :
en
- US2221347A - Thermostatic liquid transmission system :
en
- USD123517S - Design for a housing for feed mixer :
en
- GB529206A - Improvements in and relating to electric motor control systems :
en
- US2221516A - Continuous thickness gauge :
en
- DE698590C - :
de
en
- GB529179A - Improvements relating to fuel injection nozzle fittings for oil engines :
en