• US1979651A - Method for high pressure condensate return : en
  • US1979813A - Rotor for magnetos : en
  • US1979884A - Steam boiler and its furnace : en
  • US1980127A - Rubber heel and reenforcing and nail retaining member therefor : en
  • CA345764A - Hearing device : en fr
  • US1979686A - Metal socket, bush, ferrule, rivet, and the like : en
  • US1980057A - Dispensing apparatus : en
  • US1980108A - Anticlogging attachment for grain augers : en
  • AU1737134A - Improvements in and connected with cots, cradles andthe like : en
  • CA345850A - Fuse switch : en fr
  • US1979745A - Apparatus for converting lead suboxide to litharge : en
  • US1979927A - Hand printer : en
  • CA345793A - Internal combustion engine : en fr
  • AT139258B - Gas-filled electric discharge tube. : de en
  • AT139405B - Device for the automatic determination of the density or viscosity of a gas. : de en
  • USD93794S - Design for a metal chair or : en
  • DE605396C - Stovepipe wall socket : de en
  • FR772779A - Process for liberating an alkaline earth metal in discharge vessels : en fr
  • AT139352B - Ring valve. : de en
  • USRE19368E - Electric vapobizer : en
  • US1979685A - Apparatus for heat treating foods : en
  • AT139274B - Economy or emergency lighting. : de en
  • FR773010A - Weapon support for fast, aerial or other vehicles : en fr
  • FR773017A - Device to reduce wear and the chance of the rose pivot breakage in liquid compasses : en fr
  • US1979265A - Mining apparatus : en
  • US1979364A - Infant scale : en
  • US1979641A - Package opening device : en
  • AT139376B - Circuit arrangement for releasing occupied connection devices in telephone systems. : de en
  • AT139429B - Process for the hot forming of a eutectoid steel. : de en
  • AT139257B - Electric discharge tube. : de en
  • US1979467A - Temperature regulating device for beds or bedrooms : en
  • US1979430A - Method of forming shafts for golf clubs : en
  • DE605102C - Production of saturated lime water : de en
  • DE605418C - Pressurized gas cartridge for fire extinguishers with carbon tetrachloride as extinguishing agent : de en
  • USD93791S - Design fob a shoe : en
  • DE605465C - Method and apparatus for producing patterned films : de en
  • GB418994A - Process of removing rust from and picking iron and steel : en
  • GB419286A - Improvement in manufacture of starch from maize : en
  • DE604915C - Elevator system with the car driven by a DC motor, which is fed by a generator driven by an asynchronous motor : de en
  • FR773077A - Improvement in protective glasses : en fr
  • FR772997A - Espresso machine : en fr
  • AU1597234A - Improvements in or relating to folding tables andthe like : en
  • DE605249C - Electromotive reversing drive for work machines with pulling and pushing action : de en
  • FR773056A - Cartographic process and new industrial products resulting from its application : en fr
  • GB419173A - An improved switching arrangement for lighting installations : en
  • AT139326B - Multi-blade circular saw machine for cutting firewood. : de en
  • AT139270B - Electrical discharge vessel and process for its manufacture. : de en
  • CA345853A - Hose coupling : en fr
  • CA345803A - Headlight : en fr
  • US1979515A - Manufacture of organic esters : en
  • US1979632A - Fruit picking bag : en
  • US1979794A - Molded pulp article : en
  • US1979394A - Steam generator : en
  • FR772881A - Coupling device for chains, ropes and other flexible traction devices : en fr
  • FR773059A - Endless traction unit for elevators and similar devices : en fr
  • GB419032A - Improvements in or relating to dialysing apparatus of the filter press type : en
  • US1979383A - Label removing machine : en
  • US1979440A - Storage battery charging system : en
  • US1980139A - Boundary layer control for airfoils : en
  • DE589788C - Pack for razor blades : de en
  • DE605195C - Locking device for the casting pump of a die setting and line casting machine : de en
  • FR772859A - Improvements to devices to artificially induce fever : en fr
  • US1979533A - Rail bond : en
  • US1980025A - Anthraquinone dyestuffs and process of obtaining same : en
  • US1979477A - Sprinkling system : en
  • US1979790A - Railway grade crossing construction : en
  • US1979841A - Nonknocking motor fuel : en
  • US1980000A - Oil press : en
  • US1980072A - Rope and cable holder : en
  • US1980100A - Electromagnetic process for surveying the deviations of drill holes : en
  • GB419092A - Improvements in or relating to the manufacture of metal pressings : en
  • CA345801A - Plant setting apparatus : en fr
  • US1979780A - Draw works : en
  • US1979991A - Method and apparatus for forming, compacting, and discharging filter cake : en
  • US1979258A - Washboard : en
  • US1979650A - Lamp for road vehicles : en
  • CA345883A - Textile material : en fr
  • US1979778A - Lubricating device for twister rings : en
  • AT139308B - Device for the automatic control of the switching elements on writing adding or subtracting machines or writing calculating machines with a printing mechanism with a transversely displaceable paper cart and one or more stationary and several counters that can be moved depending on or independently of the paper cart. : de en
  • CA345760A - Headlight : en fr
  • DE605316C - Compressed air braking device : de en
  • FR772829A - Improvements to electrical current control devices : en fr
  • US1979463A - Television system : en
  • US1979609A - Apparatus for making and refining glass : en
  • US1979369A - Safety gate : en
  • US1979449A - Preparation of organic acids : en
  • US1980141A - Cushion carrying case for syringe outfits and the like : en
  • US1979362A - Coal cleaning machine : en
  • US1979379A - Zinc-base white pigment and process of making the same : en
  • US1979969A - Propeller shaft with rubber cushion : en
  • GB419242A - Improvements in electric fuses : en
  • AT139289B - Umbrella, in particular travel umbrella or collapsible umbrella. : de en
  • US1979857A - Automatic thermogravity gas cut-off : en
  • DE605281C - Device for catching people jumping down, especially for rescuing from the risk of fire : de en
  • DE605461C - Preparations for coloring living hair : de en
  • FR773009A - Further training in the establishment of magnets and electromagnets : en fr
  • USD93805S - Design for a shoe : en
  • FR773083A - Locating dial device : en fr
  • GB419267A - A device for emptying tins and like receptacles : en
  • FR772880A - Fluid pump improvements : en fr
  • GB419113A - Improvements in or connected with throttle controls for aircraft : en
  • US1979743A - Thread clipper : en
  • CA345844A - Stoker cut-out : en fr
  • FR772906A - Dispensing apparatus for sheets of carbon paper and sheets of plain paper usable on typewriters and similar machines : en fr
  • GB419054A - Improvements in tool chucks : en
  • DE605340C - Multi-spindle automatic lathe for bar material : de en
  • FR772915A - Remote road bollards and signs : en fr
  • FR772962A - Tap : en fr
  • GB419128A - Car wheel bearing and closure : en
  • US1979639A - Apparatus for heating and cracking oil : en
  • GB419199A - Improvements in and relating to the operation of adjustable electrical elements in electrical signalling apparatus : en
  • GB419300A - Improvements in electric switches specially applicable to switches for combined fuseand switch boxes for lighting circuits : en
  • GB419029A - Improvements in radiators for motor vehicles : en
  • GB419362A - Method of making negatives for use in the production of photomechanical printing plates and photographic prints : en
  • FR772706A - Absorption process : en fr
  • DK49474C - Device for Scattering Road Materials from Trucks. : da en
  • GB419311A - Improvements in or connected with jig-saw puzzle structures : en
  • FR772910A - Process for the production of heterocyclic sulfonic acids : en fr
  • DE605277C - Water-cooled film carrier : de en
  • DE605259C - Plant for the production of a metal strip to be covered with gumimi and fabric : de en
  • DE605441C - Device for dry distillation of coal and similar carbonaceous substances : de en
  • DE605446C - Process for the preparation of hydroxylated anthraquinones : de en
  • CA345826A - Tire manufacturing apparatus : en fr
  • CA345774A - Coke production : en fr
  • US1980089A - Refrigeration : en
  • US1979996A - Electroplating process : en
  • GB419215A - Improvements in or relating to sheet feed devices : en
  • US1979851A - Motor-compressor unit : en
  • US1979574A - Sadiron : en
  • US1979937A - Sound accompaniment for composite motion pictures : en
  • GB419322A - Improvements in driving head gears for conveyors and the like : en
  • DE605186C - Molds, in particular dovings, for lignite briquette presses : de en
  • US1979956A - Box : en
  • US1979995A - Insulation : en
  • DE605312C - Safety device for liquid container : de en
  • GB419343A - Improvements in or relating to bronzing machines : en
  • GB419663A - Improvements in and relating to the parallel operation of electric discharge tube inverters with dynamo-electric alternating current generators : en
  • FR772712A - Clasp for bags, suitcases, etc. : en fr
  • FR773086A - Mercury vapor arc tubes and control grid : en fr
  • GB419295A - Improvements in or relating to the manufacture of materials for producing or detecting polarised light : en
  • DE605427C - Fuel briquette bundles : de en
  • FR772736A - Improvements to cameras : en fr
  • GB419329A - Improvements in and relating to vehicle bodies : en
  • DE605313C - Process for the production of briquettes suitable for refining in the blast furnace : de en
  • GB419064A - Improvements in and relating to display devices : en
  • FR773064A - Improvements to sprinklers or water intakes : en fr
  • DE605288C - Card spinning machine : de en
  • DE605175C - Process for the production of water-soluble, physiologically active substances : de en
  • US1979900A - Binder : en
  • US1979934A - Process for the removal of ammonia and hydrogen sulphide from gases : en
  • FR772806A - Device for the compensation of the temperature error in induction meters : en fr
  • GB419256A - Improvements in or relating to two stroke internal combustion engines : en
  • FR773044A - Making a vegetable horsehair : en fr
  • FR772735A - High frequency transmission system, particularly intended for the transmission of signals along high voltage lines : en fr
  • US1979891A - Cutter device : en
  • US1979793A - Apparatus for attaching pouring spouts to cans : en
  • US1979459A - Game apparatus : en
  • US1979539A - Method of production of refractory metal leaf : en
  • GB419279A - Improvements in hats and method of making same : en
  • FR772705A - Processes and apparatus for the manufacture of abrasive products and abrasive products thus obtained : en fr
  • USD93784S - Design for a nipple or the like : en
  • FR772792A - Improvements to devices for spacing characters : en fr
  • FR772950A - Improvement in internal combustion engines of the liquid fuel injection type : en fr
  • FR773047A - Direct current generator, intended in particular for welding, comprising a shunt winding and a compound winding, and enabling one or more welding stations to be supplied at will. : en fr
  • US1979359A - Car construction : en
  • FR773034A - Process for full color reproduction, colors and plate, for the application of this process and printed articles resulting therefrom : en fr
  • GB419330A - Improvements in or relating to buckles : en
  • US1979441A - Switch : en
  • US1979613A - Device for delivering tokens : en
  • AT139360B - Expansion switch. : de en
  • CA345817A - Clad metal production : en fr
  • GB419000A - Improvements in cloches for use in horticulture : en
  • US1979541A - Fertilizer distributor : en
  • DE605369C - Method for synchronizing sound and image recording devices : de en
  • DK49480C - Vehicle with accompanying Ladder. : da en
  • IE13724L - Vacuum distillation of solids : en
  • FR773027A - Process for the distillation of coal at low temperature and means for the implementation of this process : en fr
  • FR773082A - Box for tapes or bands with sticky material : en fr
  • DE605155C - Pipe or rod connection : de en
  • GB419009A - Improvements in the manufacture of articles from steel alloys : en
  • FR772847A - Watertight grease seal device to communicate any rotary, spherical, oscillating or helical movement from one medium to another, separated by a watertight partition : en fr
  • GB419015A - Goods of or containing rubber or similar material having perforations therethrough and a method for the production thereof : en
  • US1979250A - Soluble, noncorrosive, cutting compound : en
  • US1979627A - Clothesline arrangement : en
  • DE605123C - Process for the preparation of acridine compounds : de en
  • DE605194C - Gap magazine for die setting and line casting machines : de en
  • CA345791A - Safety switch : en fr
  • DE605264C - Drive for the cutting unit of mowing machines : de en
  • US1979819A - Process of making felt, paper, and the like : en
  • US1980129A - Wire wheel truing machine and method : en
  • US1979412A - Spool or bobbin for roll films : en
  • US1979728A - Boiler cleaner : en
  • US1979312A - Ore drying apparatus : en
  • US1979674A - Curtain and curtain saddle : en
  • US1979684A - Product and process of making reenforced coverings : en
  • DE605154C - Exhaust silencer for vehicle engines : de en
  • FR772862A - Air conditioner : en fr
  • FR772750A - Improvements to the devices for changing the sheet and putting into service a new unwinder, for printing machines or the like : en fr
  • DE605166C - Tennis racket with a metal string frame : de en
  • US1980060A - Cooking stove : en
  • US1980126A - Separable link : en
  • US1979587A - Meat cutting machine : en
  • US1979876A - Paper napkin : en
  • US1979882A - Rotary welding transformer : en
  • US1979439A - Hydraulic rotatory and translatory device : en
  • US1979879A - Combined apron and toilet case : en
  • AT139380B - Procedure and device for putting telegraph equipment into operation. : de en
  • FR773002A - Device for sharpening the blades of mowers and the like : en fr
  • US1979657A - Seal for floating tank roofs : en
  • CA345753A - Textile material penetration with latex : en fr
  • CA345814A - Bituminous emulsion : en fr
  • DE605146C - Rocking chair : de en
  • US1979496A - Device for closing filled bags : en
  • US1979506A - Method of making getter material : en
  • US1980123A - Sheave : en
  • AT139393B - Procedure for operating secondary batteries. : de en
  • AT139397B - Water post. : de en
  • CA345829A - Tanning agent : en fr
  • DE605266C - Bird water with gradually rising ground to the edge : de en
  • DK49479C - Tool for Planning Tennis Courts. : da en
  • US1979279A - Method of treating ore materials : en
  • US1979392A - Cathode ray tube : en
  • US1979570A - Means for the hydraulic transmission of power : en
  • US1979617A - Mechanical refrigeration unit : en
  • DK49492C - Combined Side Stick and Tie Sewing Machine. : da en
  • DE605111C - Piston fuel pump : de en
  • AT139329B - Saw blade. : de en
  • CA345750A - Electric direction indicator : en fr
  • CA345820A - Synthetic resin : en fr
  • US1979426A - Mechanical time fuse : en
  • US1979860A - Adjustable seat for vehicles : en
  • US1979931A - Swaging hammer : en
  • GB419245A - A process and apparatus for the production of hydrogen peroxide : en
  • FR772845A - Powder for making sauces : en fr
  • GB419055A - Device for generating or controlling the magnetism of an alternating current magnet acting on an armature : en
  • US1979689A - Method of lapping dies : en
  • US1980084A - Power-operated lock for spring switches : en
  • DE605238C - Graduated file in book or folder form : de en
  • US1980004A - Stepladder : en
  • DE605177C - Method for extinguishing an alternating current arc : de en
  • DE605189C - Zipper : de en
  • US1979604A - Beverage cooling and dispensing apparatus : en
  • FR772708A - Record phonograph : en fr
  • FR772778A - Improvements to illuminated or non-illuminated signs : en fr
  • GB419037A - Improvements relating to the lubrication of axle housing mountings of railway trucks : en
  • GB419275A - Improvements in radiators for heating buildings and the like : en
  • GB419252A - Improvements in or relating to ventilating fans for electrically-driven hand-tools : en
  • FR772796A - Device for weaving looms, to keep the warp tension constant during and after unwinding : en fr
  • FR772995A - Device for games : en fr
  • DE605382C - Manufacture of potassium nitrate from sodium nitrate and potassium chloride : de en
  • GB418983A - Improvements in or relating to rackets for lawn tennis and other games and the manufacture thereof : en
  • GB419259A - Improvements in devices for filtering liquids : en
  • US1979253A - Carton blank folding and stapling machine : en
  • US1979519A - Preparation of organic acids : en
  • US1979259A - Machine for making ice-cream cones and the like : en
  • US1979866A - Fence structure : en
  • US1980146A - Time switch device : en
  • DE605254C - Device for transferring blood : de en
  • FR772952A - Installation used to condition air for rooms : en fr
  • GB419332A - Improvements in apparatus for playing target games : en
  • USRE19365E - Window regulator : en
  • DE605472C - Flexible transmission device for pulling and pushing forces : de en
  • FR773092A - Wiper device : en fr
  • GB419221A - Improvements relating to rotary liquid flow meters : en
  • DK49493C - Process for the Preparation of a Porous, Bound Mass of Calcium Sulfate (Stucco) of the Anhydrite Type with Accelerators. : da en
  • US1979661A - Glass molding apparatus : en
  • DE605391C - Switch with arc extinguishing by flowing compressed gas and visible separation point : de en
  • DE605388C - Overhead line tensioning device : de en
  • DK49473C - Radio receiver with Fading Compensation Means. : da en
  • US1979926A - Water softener : en
  • US1979634A - Toilet seat cover : en
  • US1979944A - Electric arc welding : en
  • FR772975A - Intermediate frequency receiver : en fr
  • US1979358A - Illuminated panel : en
  • FR772871A - Control device by worm gears and instantaneous clutch for guillotine shears : en fr
  • FR772907A - Method and apparatus for drying intaglio printed continuous sheets of paper : en fr
  • US1979282A - Razor blade honing and stropping device : en
  • US1980038A - Electric relay : en
  • DE605110C - Device for dispensing banknotes and coins : de en
  • DE605132C - Printing machine, in particular address printing machine, with a revolver head-like rotatable print head with several printing pads : de en
  • US1979792A - Vehicle upholstery : en
  • US1979878A - Conveying mechanism : en
  • US1979274A - Closure and seal therefor : en
  • FR772769A - Improvements made to expansion joints : en fr
  • US1979870A - Method of and machine for grinding gears : en
  • FR772771A - Opening device for tilting sashes, mounted at the top of the windows : en fr
  • FR772930A - Process for the production of mixed fertilizers containing nitrogen, phosphorus and lime : en fr
  • FR773008A - Advanced process for the distillation of solids, liquids and gases : en fr
  • US1979855A - Spectacles : en
  • US1979905A - Process and apparatus for the manufacture of moldings and shaped sections from fiberboards, wood pulp boards, crushed cane boards, beaver boards, and the like : en
  • US1979455A - Atomizer : en
  • US1980137A - Electrical reproducer for disk records : en
  • DE605306C - Metal press with heating elements surrounding the transducer : de en
  • DE605122C - Process for the treatment of cellulose or cellulose-containing materials for the purpose of esterification with liquids which act on them with evolution of heat in a heterogeneous system : de en
  • DE605214C - Tight connection for pipelines with lip seals arranged in the grooves of the socket or the sleeve pushed over the butt joint of the pipes : de en
  • FR772797A - Disc brakes for bicycles, motorcycles, etc. : en fr
  • GB419292A - Improvements in methods for purifying electric insulating liquids : en
  • GB419265A - Improvements in and relating to fuel injection devices of internal combustion engines : en
  • FR772977A - Rubber track : en fr
  • FR772741A - Assembly intended to reduce damping of tunable circuits : en fr
  • FR772957A - Adjustable headrest with parasol : en fr
  • GB419453A - Improvements in taps or valves with stainless metal shells : en
  • FR772739A - Ignition circuits for electric discharge devices : en fr
  • USD93782S - Design fob a settee : en
  • DE605273C - Device for working out surface parts of any shape from sheet metal : de en
  • DE581959C - Rail joint connection : de en
  • DE605454C - Direction finding device : de en
  • DE605204C - Electric battery light with a rod-shaped insulating material housing made of two main parts that can be adjusted to change the lighting effect : de en
  • FR772723A - Self-winding timepiece by means of an oscillating weight : en fr
  • US1979663A - Ball and roller bearing : en
  • DE605270C - Compressed air counter-cylinder for paddle slides : de en
  • AT139371B - Crossing system for conductors in cables. : de en
  • GB419110A - Improved method of and apparatus for detecting faults in rods or the like of magnetic material : en
  • GB419271A - Improved circuit arrangements for gasfilled electric discharge tubes : en
  • FR773093A - Braking device, particularly applicable to vehicle wheels : en fr
  • US1979547A - Construction of "in situ" concrete piles : en
  • US1980122A - Heel : en
  • US1979353A - Group feed distribution system : en
  • AT139403B - Siphon flushing device with displacer. : de en
  • GB419138A - Improvements in and relating to vehicle wheels : en
  • US1979974A - Harvester pick-up : en
  • GB419224A - Improvements in synchronishing arrangements for sectionalised busbar systems : en
  • US1979845A - Automatic toaster : en
  • US1979890A - Motor controlling apparatus : en
  • US1979357A - Electric motor mechanism : en
  • US1979505A - Coloring : en
  • US1979752A - Raking and picking up tool : en
  • US1979880A - Automatic clutch : en
  • GB418975A - Improvements in or relating to electric selective remote control systems : en
  • US1979573A - Glass article : en
  • US1980003A - Locking cap : en
  • FR772959A - Improvements in processes and apparatus for the manufacture of artificial casings for sausages and similar articles : en fr
  • FR773045A - Hourdis for the construction of floors, ceilings or the like : en fr
  • US1979451A - Method and apparatus for recovery of condensates : en
  • GB419006A - Improvements in and relating to electric relay circuits : en
  • DE605468C - Factory type printer : de en
  • CA345819A - Circuit interrupter : en fr
  • DE605263C - Switching device for the control strip on cash registers : de en
  • FR772857A - Chuck refinements : en fr
  • GB419312A - Improvements in and relating to the treatment of hydrocarbon material for the purpose of removing carbon bisulphide therefrom : en
  • DE605128C - Foundry for casting semi-cylindrical stereotype plates : de en
  • FR772793A - Device for mounting the vanes of a granulated or fluid coupling : en fr
  • FR773046A - Automatic coffee maker : en fr
  • US1979509A - Driving mechanism for revolving needle bars of combing and gilling machines : en
  • USD93758S - Design fob a shoe : en
  • FR772814A - Improvements to electric motors, in particular to those intended to turn phonograph records or for other similar uses : en fr
  • US1979298A - Aeroplane wing : en
  • US1979335A - Piston : en
  • US1979352A - Cathode control : en
  • US1980077A - Recuperator : en
  • FR773053A - Improvements to children's car suspensions : en fr
  • GB419812A - Improvements in or relating to flexible abrasive articles, such as sandpaper, and method of making the same : en
  • DE605211C - Device for engaging and disengaging agricultural equipment, e.g. B. Motor hitch plows : de en
  • FR773041A - Sheet metal grids : en fr
  • GB419196A - Improvements in or relating to the hardening of steel and alloy steels : en
  • DK49491C - Device for Motor Vehicles for Operating the Engine Throttle Using the Vehicle Brake Pedal. : da en
  • FR772960A - Potato masher : en fr
  • GB419281A - Improvements in or relating to the manufacture of knitted fabrics : en
  • US1979957A - Slicing machine : en
  • US1980078A - Winding machine : en
  • DE605161C - Device for x-ray kymography : de en
  • GB419101A - Improvements in or relating to shoes : en
  • US1979365A - Amalgamating apparatus and process : en
  • US1979322A - Pear treating apparatus : en
  • US1979908A - Vehicle coupler : en
  • DE605471C - Elastic connecting link for sound and vibration absorption : de en
  • US1979504A - Nozzle : en
  • US1979767A - Device for compressing piston rings and cleaning grooves : en
  • US1979824A - Switch : en
  • DE605460C - Process for the production of sock lengths on the flat weft knitting machine : de en
  • DE605381C - Disc filter cell for suction cell rotary filter : de en
  • FR772896A - Improvements to heat exchangers : en fr
  • GB419204A - Improvements in or relating to means for use in recording sound and other vibrations : en
  • DE605178C - Protective device for single armature converters that either work alone or are connected in parallel with direct current sources that are also dependent on the alternating current side, without the interposition of protective switching devices : de en
  • GB419346A - Improvements in expansible bags : en
  • FR772816A - Improvements to heat exchangers : en fr
  • US1979769A - Constant current transformer : en
  • FR772863A - Production of azo dyes : en fr
  • US1979408A - Clothes washing machine : en
  • US1980128A - Drip-feed device : en
  • FR772817A - Apparatus for producing hot or cold air : en fr
  • GB419190A - Improvements relating to the production of treatment of cellulose derivatives : en
  • GB419237A - Improvements relating to headlights for vehicles : en
  • DE605320C - Cross-field DC machine with adjustable short-circuit current strength : de en
  • FR773025A - Fishing rod reel : en fr
  • US1979284A - Electrical protective system : en
  • US1979941A - Air conditioning and dispensing system : en
  • GB419130A - Improvements in or relating to shock-absorbers for vehicles : en
  • GB419240A - Improvements in or relating to automatic screw cutting lathes : en
  • US1980088A - Conveyer : en
  • FR772870A - Injector burner for autogenous metalworking : en fr
  • DE605377C - Reversing device for machines with changing direction of rotation : de en
  • GB419011A - Improvements in or relating to floors : en
  • GB419348A - Improvements in and relating to hosiery : en
  • AT139267B - Electric discharge tube. : de en
  • FR773030A - Improvements to synchronous motors and their application to signaling systems : en fr
  • DK49488C - For the joint Joining determined Building element of Metal. : da en
  • DE605265C - Control for sprinklers with intermittent water delivery : de en
  • US1979468A - Device for relighting gas ranges : en
  • US1979479A - Tool controlling device : en
  • DE605158C - Braking device on regulators : de en
  • US1979372A - Method of making hard bodies : en
  • GB419298A - Improvements in time base arrangements for use in oscillographic observations and the like : en
  • GB419218A - Parachute closure : en
  • AT139407B - Process for the production of a multi-part hardened gear. : de en
  • DE605261C - Process for making sound recordings : de en
  • US1980114A - Skeg for barges and like vessels : en
  • US1980155A - Television : en
  • CA345866A - Knitting machine : en fr
  • GB419050A - Improvements in sides for spectacles : en
  • AT139277B - Electric incandescent lamp, discharge tube or flash lamp. : de en
  • AT139395B - Electric welding device with a flexible electrode. : de en
  • US1979875A - Hot-box indicator : en
  • DE605387C - Contact wire clamp : de en
  • GB419052A - Improvements relating to roads and the like : en
  • GB419273A - An improved culinary utensil or vessel for pressure-cooking : en
  • FR772758A - Improvements to floats or swimmers' rafts : en fr
  • GB419119A - An improved process for dressing artificial silk : en
  • GB419150A - Improvements in and relating to motion summation mechanism employing one-way driving gearing : en
  • GB418995A - Improvements in or relating to telephone systems : en
  • FR772973A - School desk-table convertible into apartment furniture : en fr
  • GB419075A - Appliance for the after treatment of fibrous materials, in particular artificial silk wound on perforated bobbins by a suction or pressure treatment : en
  • GB419177A - Improvements in or relating to a method of and apparatus for projecting an image on a screen : en
  • FR773036A - New application of coatings, paints or varnishes for the surface protection of cheeses : en fr
  • US1979655A - Method of lining concrete pipe and the like : en
  • US1979736A - Ventilated toilet : en
  • US1979847A - Meat slicing machine : en
  • US1979902A - Sanitary shelf : en
  • GB419133A - Improvements in or relating to machines for reeling paper or like webs : en
  • GB419198A - Improvements in electrically operated alarm installations : en
  • GB419319A - Improvements in horse shoes with exchangeable calks : en
  • AT139408B - Slide fastener and method of making the same. : de en
  • AT139396B - Fine-edged blade and method of making it. : de en
  • FR772803A - New configuration and structure for airplanes : en fr
  • FR773067A - Bi-lateral tipping body device for motor trucks and any vehicles : en fr
  • US1979247A - Central lubrication : en
  • US1979775A - Knife grinder : en
  • US1979981A - Breathing therapy apparatus : en
  • CA345867A - Windshield wiper : en fr
  • AT139402B - Fireproof metal shutters for furniture or the like. : de en
  • US1979583A - Car track crossing : en
  • FR772752A - Internal combustion engine : en fr
  • FR772798A - liquid fuel emulsifier for internal combustion engines : en fr
  • FR772846A - Battery valve for automobiles : en fr
  • USD93780S - Design for a chair cushion : en
  • CA345785A - Car loading and unloading device : en fr
  • CA345881A - Straw making machine : en fr
  • GB419282A - Improvements in and relating to apparatus for balancing rotary bodies : en
  • AU1552633A - Improvements, in welded fabricated structural members : en
  • GB419269A - Improvements in and relating to locks : en
  • US1979246A - Cycle controller : en
  • US1979602A - Apparatus for carrying out heat exchange processes : en
  • US1979914A - Mechanism for controlling the tension of material drawn from a roll : en
  • DE605374C - Safety device for gas container : de en
  • AT139391B - Arrangement for measuring the direct current flowing in a high voltage system. : de en
  • US1979483A - Bag filling apparatus : en
  • US1979943A - Lubricating grease : en
  • US1979950A - Loose leaf binder : en
  • US1979624A - Apparatus for the uniform distribution of tobacco in the spreader of a cigarette-making machine : en
  • US1979808A - Window attachment : en
  • CA345795A - Lock washer : en fr
  • CA345874A - Cap for receptacles : en fr
  • US1979942A - Flash light operating device : en
  • DE605176C - Modulation arrangement with a main transmitter operating with a suppressed carrier frequency and an auxiliary transmitter that adds the carrier frequency : de en
  • CA345845A - Sewing machine : en fr
  • DE605149C - Car lock for conveyor baskets : de en
  • AT139293B - Rotary piston machine with slide piston. : de en
  • AT139369B - Contact poor. : de en
  • AT139287B - Ball house. : de en
  • CA345816A - Wireless receiving circuit : en fr
  • CA345827A - Rubber thread or tube producing device : en fr
  • FR772942A - Water bucket : en fr
  • US1979629A - Steel and process for its production : en
  • DE605179C - Device for measuring the specific steam consumption in electrical power plants : de en
  • FR772713A - Connections for the earthing of reinforced cement structures and supports and other applications : en fr
  • US1979854A - Hinge bracket : en
  • CA345811A - Paper ash tray : en fr
  • USRE19366E - Combination discharge and inflow : en
  • AU2348229A - Improvements in or relating to high frequency receiving systems : en
  • CA345865A - Knitting machine : en fr
  • US1979678A - Disazo compounds for therapeutic use : en
  • US1979290A - Condenser construction : en
  • US1979835A - Box : en
  • US1979963A - Popgun barrel : en
  • US1979292A - Typewriting machine : en
  • US1979414A - Differential mechanism : en
  • GB419344A - Improvements in and relating to ring doubling frames for artificial silk : en
  • AT139279B - Device for introducing medicinal products into the body by means of ionthophoresis. : de en
  • CA345810A - Film and foil manufacture : en fr
  • DE605180C - Roentgen tubes in which the individual parts of the focal point are moved at different speeds relative to the anticathode surface : de en
  • US1980081A - Bearing : en
  • US1980101A - Head-down persuader : en
  • US1979585A - Counting device : en
  • US1979975A - Heat exchanging device : en
  • AT139377B - Device for compensating the temperature error on induction meters. : de en
  • AT139440B - Process for the production of sulfur or hydrogen sulphide or mixtures of hydrogen sulphide, sulfur dioxide and sulfur from sulfur-containing materials. : de en
  • AT139312B - Straight-line scale for radio sets. : de en
  • US1979788A - Chocking device for vehicle lifts : en
  • FR772963A - Improvements to items such as curling irons : en fr
  • GB419188A - Screw threading die heads : en
  • US1979960A - Key : en
  • US1980091A - Fuel pump : en
  • AT139443B - Process for the production of elastic compact chromium. : de en
  • CA345877A - Transformer : en fr
  • FR772925A - Improved pouring device more particularly applicable to sauce bottles and other bottles or containers : en fr
  • FR772876A - Improvements made to devices for controlling or triggering vending machines, games, or the like made available to the public, in particular those included in devices with prior payment : en fr
  • US1979415A - Finishing, draining, and packing mechanism for centrifugal casting machines : en
  • US1979868A - Engine starter : en
  • US1979828A - Holder for cosmetics and the like : en
  • FR772704A - Aircraft rudder automatic control system : en fr
  • FR773054A - Device for regulating and recording flow quantities : en fr
  • GB419454A - Improvements in or relating to swash-plate units on a common shaft : en
  • GB419262A - Improvements in or relating to wearing apparel : en
  • AT139357B - Regulating resistor. : de en
  • FR773060A - Improvements in processes for the irradiation of substances by means of ultra-violet rays : en fr
  • DE605135C - Rail joint bridging by means of a bridging wedge that can be displaced in the rail head ends : de en
  • DE605443C - Process for purifying sulfuric acid : de en
  • DE605308C - Turbine system, in particular ship turbine system : de en
  • DE605280C - System for conveying milk and liquid milk products using the vacuum process : de en
  • DK49483C - Stove for operation with Gas or liquid, gasified Fuel. : da en
  • FR773048A - Rigging machine with semi-cylindrical coulter and helical release ramp : en fr
  • CA345765A - Reflector : en fr
  • FR772934A - Grease bag : en fr
  • GB419164A - Improvements in or relating to wheels for use on railway vehicles : en
  • DE605246C - Switching arrangement for interrupting electrical currents : de en
  • US1980040A - Candle light : en
  • USD93762S - Design fob a spoon ob otheb abticle : en
  • FR773006A - Improvements to protective covers for notebooks and similar items : en fr
  • DE605292C - Centrifugal machine unit for hydraulic storage : de en
  • US1979706A - Can cover : en
  • US1979932A - Weatherproof plant label holder : en
  • FR772899A - Adherent, anti-halo photographic film holder : en fr
  • GB419040A - Presser-foot for sewing machines : en
  • US1980115A - Process for making mixed oil gas and water gas : en
  • FR772821A - Fixing device for window casements : en fr
  • FR772909A - Filtered : en fr
  • US1979593A - Score displaying means : en
  • US1979977A - Valve and packing : en
  • FR772912A - Snap-on for extension ladders : en fr
  • GB419280A - Lithographic printing on wood : en
  • GB419099A - Improvements in or relating to cellular structures : en
  • GB419126A - Improvements in and relating to diamond drills : en
  • FR772933A - Process for making reinforced ends at each end of seamless tubes of large diameters : en fr
  • FR772945A - Connecting sleeve : en fr
  • GB419012A - Improvements in or relating to lubricating devices for locks : en
  • DE605245C - Double heart with point rails extended to the kink point : de en
  • FR772897A - Articulated link assembly for roller shutter slats : en fr
  • FR772917A - Automotive Windshield Wiper Control System Improvements : en fr
  • FR772971A - Special terminal for battery leads : en fr
  • US1979472A - Method of and apparatus for drawing sheet metal : en
  • AT139399B - Method and device for balancing and displaying loads by electrical means. : de en
  • FR772869A - Gear for the service of two or more oil engines : en fr
  • US1979563A - Chair seat : en
  • DE605150C - Process for the production of rubber and rubber articles : de en
  • DE605200C - Device for changing the axle pressures in bogie locomotives with paw-bearing motors : de en
  • DE605190C - Process for the production of prints, dyes and color reserves of insoluble azo dyes on the fiber : de en
  • US1979811A - Duplicating device : en
  • US1979410A - Bar support : en
  • FR772759A - Advanced valve with adjustable maximum flow : en fr
  • GB419084A - Improvements in bearings for the wheels of mine tubs and like vehicles : en
  • US1980016A - Brake dressing and process therefor : en
  • USD93769S - Pesign fob a wheel : en
  • US1979465A - Oil burning apparatus : en
  • FR772921A - Improvements to sewing machine furniture : en fr
  • GB419813A - Improvements in internal combustion engines of the opposed piston type : en
  • GB419095A - Improvements in and relating to rivets and riveting : en
  • US1979545A - Automotive vehicle : en
  • USD93755S - Design for a heater : en
  • US1979450A - Preparation of organic acids : en
  • US1979543A - Register : en
  • US1979732A - Plural unit heat exchanger : en
  • US1979601A - Conversion products of casein : en
  • US1979782A - Mechanical arm and hand : en
  • GB419153A - Improvements relating to book bindings : en
  • FR772851A - Coil system : en fr
  • FR772958A - Distribution device for internal combustion and internal combustion engines of all cycles : en fr
  • GB419272A - Refrigerating apparatus for the storage and preservation of food, delicacies and the like : en
  • US1979566A - Collapsible bed : en
  • US1979411A - Soap bar : en
  • FR772831A - Control device for rotary oil burners : en fr
  • FR772774A - Method of establishing tools for working the earth and resulting industrial products : en fr
  • FR772839A - Film reel camera : en fr
  • FR772854A - Clip to hold hair : en fr
  • FR772969A - Connection terminal for accumulator batteries and others : en fr
  • GB419035A - Improvements in and relating to electromagnetic relays : en
  • FR773091A - Automatic route indicator system : en fr
  • FR773074A - Tap : en fr
  • GB418998A - Apparatus for extinguishing flame in the gases flowing from the exhausts of aircraftengines : en
  • FR772766A - Window mechanism : en fr
  • GB419187A - Improvements in or relating to centrifugal separators : en
  • US1979599A - Pile point : en
  • US1979438A - Pile wire : en
  • US1979993A - Container setting-up machine : en
  • FR772902A - Improvements in processes and apparatus for blasting or blasting certain materials such as coal : en fr
  • GB419129A - Improvements in connection for coupling filling hose to underground tanks : en
  • GB419278A - Improvements relating to pot-heads for multiple-core electric cables : en
  • DE605225C - Process for painting smoothed, raw wall surfaces with cellulose esters and / or cellulose ether containing paints that are not dissolved in water and / or not emulsified in water : de en
  • DE605348C - Device for automatic closing of a door and sealing against drafts through the floor gap by means of a sealing strip that is forced to move : de en
  • AT139303B - Low-scatter coils for high frequency or audio frequency. : de en
  • US1979499A - Vulcanization of caoutchouc : en
  • US1979679A - Elevator : en
  • GB419184A - Improvements in or relating to oven doors or other heat insulating structural units : en
  • AT139282B - Screen grid tube with rectification section. : de en
  • AU1459733A - Improvements in or relating to electrical frequency control systems suitable for use in radio and like transmitters : en
  • FR773075A - Sophisticated faucet : en fr
  • DE605364C - Self-starting synchronous small motor : de en
  • US1979330A - Control apparatus : en
  • US1979990A - Method of filter cake discharge : en
  • DE605310C - Lock wedge with safety device for printing forms : de en
  • US1979649A - Apparatus for spraying materials : en
  • AT139432B - Process for the recovery and purification of magnesium and magnesium alloys. : de en
  • US1979594A - Manganese - molybdenum - vanadium steel and articles made therefrom : en
  • US1980130A - Nodulizing cement materials, etc. : en
  • US1979687A - Garment hanger : en
  • US1979898A - Method and apparatus for spooling artificial silk : en
  • GB419117A - Improvements in and relating to processes and apparatus for the transfer of heat from compressed gases, more particularly from the gases discharged from explosion chambers, preferably from the explosion chambers for turbines, to other materials : en
  • GB419169A - Improvements in or relating to billiard tables : en
  • FR772781A - New condensation products of carbenium compounds and their preparation process : en fr
  • GB419104A - Improvements in toy archers : en
  • DE605260C - Method for producing golf balls o. : de en
  • FR773026A - Improvement of fuel supply by pump in motor cars : en fr
  • US1979821A - Spring suspension for motor vehicles : en
  • US1979633A - Apparatus for the production of music : en
  • USD93801S - Design fob a grave marker : en
  • FR772743A - Posometer : en fr
  • GB419358A - Improvements relating to the production of aqueous emulsions of bitumen, pitch or tar : en
  • GB419201A - Improvements in apparatus for mechanically solving threedimensional functions : en
  • DE605299C - Overflow centrifuge for separating solid substances from liquids : de en
  • FR772701A - Thin Blade Safety Razors Improvements : en fr
  • US1979420A - Machine for shaping uppers over lasts : en
  • FR772919A - Tilting, swiveling and adjustable ham holder : en fr
  • GB419317A - Improved handle for golf clubs and the like : en
  • DE605029C - Device for the automatic braking of rail vehicles by successive braking using brake shoes : de en
  • US1979883A - Electric heater : en
  • DE605365C - Electric hot air shower : de en
  • DE605389C - Fixing rosette for electrical switches or similar installation devices : de en
  • FR773076A - Alloy enhancements : en fr
  • US1980092A - Trimming shears : en
  • US1979389A - Pipe engaging slip : en
  • US1980054A - Veneer : en
  • DK49477C - Method and Device for Converting Electrical Oscillations within a Frequency Range to Electric Oscillations within Another Frequency Range. : da en
  • FR772901A - Motor and motor-compressor : en fr
  • CA345830A - Hydrocarbon product : en fr
  • FR772898A - Dismountable watertight constructions in panels with removable joints : en fr
  • GB419207A - Anti-reflux device for drains : en
  • US1979339A - Candle socket : en
  • AT139295B - DC generator for constant current. : de en
  • US1979710A - Dual control for hydraulic transmission : en
  • US1979403A - Production of artificial silk : en
  • CA345806A - Tire valve cover : en fr
  • DE605109C - Registration machine with repeating device for individual amounts, subtotals and totals, especially for ticket printing : de en
  • DE605247C - Control device for display devices to display the end and intermediate positions of an electric motor-driven switch : de en
  • AT139324B - Left and left knitting machine. : de en
  • DE605162C - Torpedo detection device : de en
  • FR772802A - Apparatus for raising and lowering the middle cylinder in three-way rolling mills : en fr
  • FR772848A - Cable ties for electrical lines : en fr
  • GB419155A - Improvements in or relating to mincing machines : en
  • AT139301B - Process for the production of electrolyte iron sheet. : de en
  • US1980051A - Fire extinguisher : en
  • AU1792034A - Improvements in couplings containing a finely divided power transmission medium : en
  • AT139337B - Canteen. : de en
  • US1979321A - Artificial eyes for dolls, toys, and the like : en
  • USRE19361E - Barbel supporting and cooling : en
  • US1979315A - Radio apparatus : en
  • US1979557A - Reciprocating-crosshead engine : en
  • US1980102A - Method of manufacturing secondary aromatic amines : en
  • US1979260A - Mixed synthetic oil and product derived therefrom : en
  • US1979731A - Coupling gauging machine : en
  • US1979342A - Pumping device : en
  • US1980006A - Method of recovering ammonia from gas by contact with acid phosphate : en
  • DE605124C - Process for the preparation of a resinous, hardenable condensation product : de en
  • US1979303A - Processing alcohols : en
  • US1979561A - Friction drive device : en
  • US1979737A - Molten metal sampling : en
  • CA345831A - Non-knocking fuel : en fr
  • CA345754A - Textile material vulcanization : en fr
  • CA345809A - Ventilator : en fr
  • DE605219C - Process for the treatment of paper machine felts, felt rollers or felt tubes : de en
  • US1980157A - Electric cigar lighter : en
  • DE605163C - Device for placing razor blades on the endless conveyor belt of a grinding machine : de en
  • DE605297C - Method and machine for pinching footwear by means of clips : de en
  • US1979368A - Pump, motor, compressor, or the like : en
  • US1979480A - Circuit controlling means for an induction motor : en
  • US1979781A - Method of making edible sugar syrup : en
  • US1979893A - Lock mechanism : en
  • US1980005A - Refrigerator closure : en
  • AT139278B - Insert bidet. : de en
  • CA345747A - Hair net : en fr
  • FR772823A - Magneto : en fr
  • GB419044A - Improvements in connecting rods : en
  • AT139319B - Driving device for welding rods. : de en
  • AT139307B - Multi-motor drive for work machines. : de en
  • AT139340B - Height-adjustable and mobile scaffolding, especially for painting and decorating work. : de en
  • DE605371C - Process for making refractory products : de en
  • GB419091A - Improvements in reflectors more particularly for street lighting : en
  • US1979673A - Washing machine : en
  • US1979704A - Method of producing high strength calcined gypsum : en
  • US1980002A - Aircraft : en
  • DE605361C - Dough molding machine : de en
  • FR773098A - New type of internal combustion engine : en fr
  • FR772728A - Improvements to liquid meters : en fr
  • GB419159A - Improvements in slidable mountings for seats, wagon bodies, luggage carriers and the like : en
  • CA345825A - Hand brake mechanism : en fr
  • CA345759A - Fire arm : en fr
  • US1979241A - Paintbrush preserver : en
  • US1979668A - Electron discharge device : en
  • US1979482A - Absorption refrigerating apparatus : en
  • US1979554A - Cutting and stripping machine for pavement joints and the like : en
  • CA345778A - Vehicle body : en fr
  • AT139428B - Process for the production of dry cultures of yeast and bacteria. : de en
  • DE605343C - Pump or compressor with a sickle-shaped working space and an annular piston moving like an eccentric : de en
  • DE605201C - Device for fastening the leveling cover of flush-mounted boxes on plaster-level : de en
  • DE605378C - Filter press plate : de en
  • US1979354A - Winding device : en
  • US1979729A - Production of sponge iron : en
  • DE604754C - Device for alternating crimping of a paper or other material web that is passed through a printing press or the like intermittently or continuously and then zigzagged together : de en
  • US1979326A - Synchronous motor clock system : en
  • US1979721A - Method and apparatus for making paper bags : en
  • DE605444C - Process for the production of pure sulfonic acids and sulfonates : de en
  • US1979351A - 3, 6 diamino 2-alkyl pyridine and process for producing the same : en
  • DE605350C - Folding device for folding sliding gates : de en
  • AT139349B - Fluid coupling or transmission. : de en
  • US1979589A - Method and apparatus for conditioning air in refrigerators : en
  • US1979665A - Dynamo-electric machine : en
  • CA345766A - Shoe forepart filler : en fr
  • DE605218C - Device for keeping the immersion depth of the grinder stone the same : de en
  • FR772841A - Hunting bag : en fr
  • US1979856A - Condenser assembly jig : en
  • DE605324C - Metal vapor rectifier : de en
  • GB419156A - Improvements in or relating to shoes and other similar footwear : en
  • US1979717A - Preparation of organic esters : en
  • AU1357033A - Improvements in or relating to electronic detecting devices for high frequency carrier waves : en
  • GB419120A - Improvements in devices for the decomposition and composition of pictures, particularly in television : en
  • GB419180A - A process and apparatus for the manufacture of bands, threads and the like from animal fibres : en
  • GB419293A - Manufacture of resinous products : en
  • USD93773S - Design for a handle or knob for a : en
  • US1979577A - Oil burner air diffuser : en
  • US1979653A - Alarm device : en
  • US1979836A - Automatic starter : en
  • DE605331C - Electromagnetic pickup or sound recorder : de en
  • GB419121A - Apparatus for analysing objects by ultra-violet rays : en
  • US1980062A - Bolted pipe joint : en
  • US1979694A - Mining machine : en
  • DE605115C - Clip lasting machine : de en
  • DE605140C - Electrical capacitor consisting of metallic coatings and interposed, preferably impregnated, dielectric layers : de en
  • DK49489C - Cooling container. : da en
  • GB419304A - Steam power plant with exhaust steam turbine : en
  • GB419069A - Improvements in looms for weaving pile or plush fabrics : en
  • GB419223A - Improvements in and relating to the construction of sheet metal drums, casks, or the like containers : en
  • FR772822A - Belt attachment system : en fr
  • GB419102A - Improvements in control mechanism for power-actuated variable-speed gearing suitable for use upon motor-vehicles : en
  • FR773023A - Advanced orienteering scope : en fr
  • US1979452A - Magnesium alloy : en
  • US1979806A - Blind gasket : en
  • FR772824A - Improvements in the preparation of violanthrone derivatives : en fr
  • GB419194A - Improvements in or relating to advertising apparatus : en
  • CA345849A - Portable fountain : en fr
  • FR772968A - Process for the production of new heterocyclic sulfonic acids : en fr
  • FR773068A - Method and apparatus for the distillation of solid substances : en fr
  • GB419097A - Improvements in and relating to face powder boxes or containers : en
  • US1980083A - Preparation of acidophilus products : en
  • US1979565A - Treatment of hydrocarbon oils : en
  • US1980112A - Slug casting machine : en
  • US1979317A - Electric relay : en
  • DE605269C - Silencer for internal combustion engines made of concentrically arranged pipes : de en
  • US1979916A - Electrolytic condenser : en
  • US1979287A - Method of chloridizing ore materials : en
  • US1979347A - Process for breaking petroleum emulsion : en
  • US1979850A - Combination inflow controlling and fluid discharge means : en
  • DE1317308U - : de en
  • FR772755A - Mechanical pencil : en fr
  • DE605268C - Incubator with egg turner : de en
  • DE605231C - Vacuum switch : de en
  • US1979521A - Process and apparatus for converting petroleum oil : en
  • DE605151C - Polygonal compass with a pen holder that can be swiveled perpendicular to the plane of the legs : de en
  • FR772893A - Process for the production of ornaments on gold-plated fabrics : en fr
  • AT139321B - Drive arrangement for electric vehicles. : de en
  • DE605203C - Suspension of electric flange motors by means of rubber bushes : de en
  • DE605285C - Treating grinding wheels with hardening suspension agents : de en
  • DE605333C - Gas detection apparatus : de en
  • DE605410C - Coin checker : de en
  • GB419239A - Improvements in machines for filling and stoppering containers for food, such as pots of cream or the like : en
  • US1979268A - Spinning solution and process for making same : en
  • US1979418A - Fuse : en
  • US1979976A - Gas detector : en
  • GB419283A - Improvements in or relating to tap changing apparatus for electric transformers : en
  • GB419340A - Improvements in and relating to wheels for vehicles : en
  • DE605458C - Process for operating gas generators with mechanical ash discharge : de en
  • DE605113C - Device for performing the method according to patent 601789, consisting of a pincer-like body : de en
  • FR772807A - Sound dampening agent : en fr
  • FR772811A - Process for the production of non-detonating gasoline : en fr
  • GB418984A - Improvements in or relating to rackets for lawn tennis and other games and the manufacture thereof : en
  • FR772724A - Improvement in the operation of electrolytic installations using diaphragm cells for the production of caustic alkaline liquors : en fr
  • GB419083A - Improvements in and relating to cleaning or polishing appliances : en
  • DE605223C - Device for internal grinding of cylindrical ring bodies : de en
  • FR772988A - Electric cable : en fr
  • US1979345A - Game : en
  • DE605199C - Signaling device for overpasses : de en
  • AU1405633A - Improvements ins our relating tothe manufacture of cigarettes : en
  • CA345836A - Bumper post : en fr
  • DE605271C - Double acting paddle slide motor : de en
  • DK49475C - Ceiling or Scotch lamp. : da en
  • DE605226C - Drive device on machines for wrapping bread : de en
  • GB419058A - An improved method of, and machine for, surfacing printing-face-equipped bodies : en
  • AT139355B - Arrangement for the electrical remote transmission of picture-sound-films. : de en
  • AU1408233A - Improved load balancing mechanism for intermittently loaded reciprocatory drives : en
  • GB419013A - Improvements in or relating to fixed electrical condensers : en
  • DE605304C - Wick blue burner : de en
  • FR772927A - Refinements to valve bags : en fr
  • FR773040A - Improvements to aircraft comprising a muzzle pulling along the axis of rotation of a propeller : en fr
  • FR772853A - Sound cinematographic film recording apparatus : en fr
  • GB419001A - Improvements in or relating to typographical fonts and elements therefor : en
  • CA345864A - Mineral oil refining method : en fr
  • AT139327B - Process for the production of rigid inserts for articles of clothing. : de en
  • US1980094A - Bottle closure cap releasing means and caps associated therewith : en
  • USD93803S - Design fob an electric heater : en
  • AT139288B - Bag hanger. : de en
  • AT139356B - Process for the electrical remote perception of image and sound presentations using image and sound recordings on a shared carrier. : de en
  • DE605253C - Shuttle valve with control valve for regenerative ovens : de en
  • FR772772A - Candelabra for street lighting : en fr
  • FR772947A - Filter screen : en fr
  • GB419018A - Improvements in supporting frames for typewriting machines : en
  • GB419115A - Improvements in optical-projection apparatus : en
  • FR772819A - Internal sealing pouring cap : en fr
  • GB419342A - Improvements in and relating to hollow rivets and rivet joints : en
  • AU1563733A - An improved cane cultivator : en
  • AT139261B - Arrangement for generating short electrical waves. : de en
  • AT139417B - Process for the production of steel. : de en
  • US1979894A - Butt hinge construction : en
  • DE605197C - Paper carriage switching device on typewriters : de en
  • DE605432C - Process for the separation of methane from other gaseous hydrocarbons and for the utilization of the latter : de en
  • DE605464C - Press plate for hydraulic presses, especially vulcanizing presses : de en
  • US1979497A - Lock for door traps and the like : en
  • US1979473A - Column clamp and power feed interlock : en
  • US1979787A - Wax polish : en
  • US1980007A - Method of removing ammonia from gases : en
  • AT139273B - Circuit of a gas-filled, electric discharge tube. : de en
  • US1979301A - Tray : en
  • AU1433233A - Improvement inelastic fluid generator : en
  • AT139374B - Clamp for electrical overhead lines or other wire and rope connections. : de en
  • US1980104A - Fishing tackle case : en
  • US1979281A - Method of chloridizing ores : en
  • AT139382B - Arrangement for the transmission of telegraphic signs with telegraphic means. : de en
  • FR772727A - Improvements to ventilation systems for wagons and other vehicles : en fr
  • CA345859A - Optical system for photophonographs : en fr
  • DE605239C - Method and device for cleaning the drum shell filling consisting of loose filter material : de en
  • DE605339C - Sealing without using a sealing insert for pipes or vessels by means of resilient attachments : de en
  • US1979494A - Meat-tendering machine : en
  • US1979527A - Cleaning and polishing apparatus : en
  • AT139284B - Oscillator circuit for intermediate frequency heterodyne receivers to achieve a constant center frequency. : de en
  • AT139347B - Carburetors for internal combustion engines. : de en
  • US1979278A - Chair : en
  • US1979690A - Valve operating mechanism : en
  • AT139346B - Power or work machine. : de en
  • US1980140A - Boundary layer control for airfoils : en
  • US1979753A - Open-hearth slag utilization : en
  • US1979491A - Shock absorber : en
  • US1980133A - Pocketbook : en
  • AT139450B - Device for treating cheese, in particular small cheeses, in the fermentation and ripening rooms. : de en
  • CA345800A - Drinking trough : en fr
  • FR773070A - Padded filling : en fr
  • US1979726A - Method and apparatus for making tubes : en
  • DE605291C - Flow-through turbine with axially divided impeller and axially divided controllable inlet device : de en
  • DE605322C - Interference protection on electrical machines in the form of a capacitor connected between the collector brushes and the machine housing : de en
  • US1979596A - Bathing fixture : en
  • US1979759A - Shipping receptacle : en
  • AT139348B - Fuel pumps for internal combustion engines, in particular for diesel engines. : de en
  • AT139311B - Dutch. : de en
  • US1979398A - Speed regulator and the like : en
  • AT139271B - Biological sewage self-cleaning system. : de en
  • AT139365B - Micro oscilloscope. : de en
  • AT139333B - Waterproof powder compact. : de en
  • US1979688A - Electrical tool : en
  • US1979954A - Method of manufacturing centrifuge buckets : en
  • AT139305B - Flame cutting machine with manual control of the torch. : de en
  • AU1716934A - Improvements in or relating to method of and machine for washing clothes andthe like : en
  • US1979264A - Welding electrode : en
  • US1979409A - Fastening-inserting machine : en
  • US1979407A - Hydropneumatic control apparatus : en
  • AT139413B - Liquid fuel firing. : de en
  • CA345860A - Moulded product : en fr
  • DK49485C - Insulated Car body, Elevator and similar Container. : da en
  • US1979635A - Musical instrument : en
  • US1979492A - Method of and apparatus for filling bags with powdered or granular products : en
  • US1979586A - Wax-like substances and method of preparing same : en
  • US1979904A - Locomotive booster construction : en
  • DE605234C - Sealing compound for house connections, cables, sewer systems : de en
  • US1979936A - Method of coating and the product resulting therefrom : en
  • US1979309A - Table top construction : en
  • CA345823A - Light filter : en fr
  • CA345802A - Tank stirring or scraping apparatus : en fr
  • US1979254A - Lead-sodium alloy : en
  • US1979371A - Pneumatic tire construction : en
  • US1979867A - Engine starter : en
  • US1980001A - Automatic sewing machine : en
  • US1979814A - Combined loose leaf binder and reading stand : en
  • US1979832A - Bucket structure : en
  • GB419154A - Manufacture and use of wetting preparations : en
  • US1979962A - Garment or ironing press : en
  • US1980011A - Method for the production of magnetic strips or tapes : en
  • AT139262B - Headlight disc with large lateral dispersion. : de en
  • CA345818A - Fluid pressure brake : en fr
  • US1980151A - Abradant material and process of its manufacture : en
  • CA345879A - Game : en fr
  • US1979939A - Tumbler lock and method of fitting the same to a predetermined key change : en
  • FR773057A - Rotary explosion engine : en fr
  • GB419335A - Improvements in arrangement for the current supply of an alternating current sound signal apparatus from a direct current system : en
  • GB419243A - Improvements relating to folding chairs, camp beds, garden seats and the like : en
  • GB419025A - Improvements in or relating to boxes for cosmetics and the like : en
  • FR772734A - Device for adjusting the grids of gas or vapor atmosphere discharge tubes : en fr
  • GB419049A - Improvements in machines for the manufacture of flexible tubing : en
  • DE605235C - Process for the gradation adjustment of partial color negatives obtained by means of superimposed emulsion layers with different silver content : de en
  • US1979460A - Screw driver : en
  • US1979508A - Clamping member for clamping the one end of a cord, which is fixedly fastened to the clamping member with the other end : en
  • GB419445A - Improvements in and relating to the manufacture of coloured moulding compositions : en
  • US1979289A - Indicator for chronometers and the like : en
  • US1979722A - Sorting apparatus : en
  • US1979762A - Method of finishing sheet pyroxylin : en
  • FR772991A - Welding machine : en fr
  • GB419046A - Improvements in absorption refrigerating apparatus : en
  • DE605255C - Device for the treatment of human body cavities with ointments : de en
  • US1979324A - Method of floating hematite : en
  • US1980121A - Cable terminal protector : en
  • DE605148C - Document cabinet with sliding and pivoting cover : de en
  • CA345758A - Gas scrubbing apparatus : en fr
  • DE605445C - Process for the production of oxydiphenylsulfonic acids : de en
  • GB419263A - Improvements in or relating to side delivery hay rakes, swathturners and tedders : en
  • US1980058A - Knife : en
  • FR772775A - Method and device for making color designs on fabrics intended for bookbinding : en fr
  • GB419142A - Improvements relating to electric accumulator plates : en
  • US1979818A - Method of dyeing : en
  • GB419179A - A process for protecting wool against damage by moths : en
  • DE595068C - Safety fuse : de en
  • CA345789A - Sand box : en fr
  • AU1490333A - Safety device for smokers : en
  • FR773019A - Hourdis for reinforced concrete floors : en fr
  • DE605126C - Boiler blow-down device, consisting of blow-down valve and emergency shut-off piston : de en
  • GB419337A - Improved apparatus for preserving ice-cream and supplying same in slices : en
  • US1979266A - Mining machine : en
  • FR772943A - Utensil with dishcloth, cloth or similar handle : en fr
  • GB419160A - Improvements in and relating to electric radiation or grill hoods : en
  • US1979356A - Seal : en
  • FR772725A - Tuber demarking machine such as beets for example : en fr
  • DE605467C - Stiff felt hat : de en
  • FR772733A - Grid adjuster for discharge tubes : en fr
  • GB419310A - Hydraulic control gear : en
  • FR772815A - Improvements to direct injection, four-stroke and continuously supercharged combustion engines : en fr
  • FR773037A - : fr
  • DE605294C - Process for the production of contact and connection points of high-value resistors : de en
  • FR772764A - Throttle flow control device : en fr
  • FR772858A - Process for processing starch : en fr
  • GB419093A - Improvements in clasp fastenings, suitable for use with articles of dress, such as scarves : en
  • GB419200A - Improvements in or relating to flexible diaphragms for valves, pumps and the like : en
  • GB419214A - Improvements in processes of manufacturing silicon carbide refractories and productsthereof : en
  • FR773065A - Mixed packaging for bottles : en fr
  • GB419149A - Improvements in track-actuated train control apparatus : en
  • GB419125A - Process for degasifying solid fuels in intermittently operated chamber ovens : en
  • US1979286A - Compressor : en
  • US1980111A - Slug casting machine : en
  • DK49481C - Procedure for the manufacture of materials for plastics and for the manufacture of these of the said materials. : da en
  • GB419189A - Improvements in and relating to telephone installations : en
  • DK49472C - Claim button. : da en
  • DE605356C - Device for opening lid boxes : de en
  • FR772714A - Miter box for automatically performing cuts along the bisector of a given angle : en fr
  • GB419266A - Embossed pictures and method of producing them : en
  • DE605469C - Self seller : de en
  • FR772742A - Arrow system for elastic fabric sheath : en fr
  • FR772905A - Device for damping the precessionary movement of gyroscopes : en fr
  • US1979618A - Package and article handling implement : en
  • US1979681A - Explosive : en
  • GB418992A - Improvements in or relating to the manufacture of hydrochloric acid and apparatus therefor : en
  • IE13019L - Sympathetic ink materials : en
  • US1979256A - Electrical protective system : en
  • US1980033A - Tractor : en
  • US1979516A - Manufacture of organic esters : en
  • US1979861A - Step plate : en
  • DE605338C - Clamping sleeve for roller bearing : de en
  • FR772900A - Longitudinal welded metal pipe : en fr
  • FR772923A - Improvements to processes and devices for supplying steam generators with a view to producing cold or heat : en fr
  • AT139381B - System which, in parallel connection, contains a main discharge tube and an auxiliary discharge tube, both filled with gas. : de en
  • FR772737A - Metal box for the transport of containers : en fr
  • FR772786A - Process for the production of glycosides of higher aliphatic alcohols : en fr
  • DE605431C - Iron double expansion or multiple expansion for routes and shafts : de en
  • FR773089A - Further training in sheet metal working machines : en fr
  • FR772710A - Artificial fuel : en fr
  • GB419341A - Improvements relating to feeders for pulverised material : en
  • US1979620A - Typewriting machine : en
  • GB419225A - Improvements in cabinets for storing and displaying goods : en
  • FR772785A - Shock absorbing device for doors, windows and the like provided with impact surfaces : en fr
  • US1979952A - Reflectometer : en
  • US1979294A - Powder dispensing device : en
  • FR773020A - Improvement in spark plugs for internal combustion engines : en fr
  • US1979645A - Coating preparations : en
  • US1979945A - Manure loader and spreader : en
  • DE605240C - Process for the production of cellulose derivatives : de en
  • FR773028A - Acoustic beaconing process : en fr
  • GB419229A - Improvements in and relating to rotary filters : en
  • FR772980A - Improvements in angular movement indicators : en fr
  • DK49498C - Coupling device for automatic Subscriber Centers. : da en
  • GB419232A - Improvements in the production of alkali metal nitrates : en
  • FR772922A - Rubber pads for horseshoes and other work animals : en fr
  • FR772709A - Coupling device for axes forming a universal joint applicable to all rotary movements : en fr
  • GB419139A - Improvements in piles and sheet piling walls : en
  • GB419354A - Improvements in and relating to wheels for vehicles : en
  • DE605379C - Edge filter : de en
  • FR773003A - Automatic adjustment of the phase shift of the excitation voltage of the control gates of an ionized steam rectifier : en fr
  • FR772894A - Dry spinning process for viscose : en fr
  • DE605397C - Process for the treatment and storage of undyed chrome leather : de en
  • DE605215C - Safety device for the delivery of gases, vapors or liquids : de en
  • DE605222C - Gear, especially for propeller drives in aircraft : de en
  • GB419205A - Improvements in or relating to gramophones : en
  • US1979712A - Welding : en
  • USD93770S - Design for an electric insect : en
  • DE605198C - Reverse gear clutch on typewriters : de en
  • FR772989A - Improved method and apparatus for dispensing liquids : en fr
  • FR773063A - Device for viewing stereoscopic photographic or cinematographic views projected onto a screen or the like : en fr
  • US1979456A - Dooriatch : en
  • US1979925A - Apparatus for the production of artificial threads from cuprammonium solution : en
  • USD93781S - Design for a textile fabric or the : en
  • DE605336C - Coin tube for coin counting devices : de en
  • USD93759S - Design for a carrier : en
  • DE605354C - Machine for trimming shoes : de en
  • FR772916A - Sealing system for reciprocating parts : en fr
  • US1979784A - Burner for the firing of furnaces : en
  • US1979869A - Engine starter : en
  • DE605290C - Watch glass attachment : de en
  • FR772860A - Process for preparing glyoxylic acid : en fr
  • FR773073A - Machine for the treatment by suitable baths of spun textile materials : en fr
  • GB419116A - Improvements in and relating to fire-protecting apparatus for storage tanks : en
  • US1979551A - Rock drill fluid cleansing means : en
  • US1980043A - Equilibrated paint and varnish remover containing petroleum hydrocarbons : en
  • CA345876A - Transformer or choke : en fr
  • US1979333A - Power transmitting apparatus : en
  • US1979532A - Hydrocarbon oil conversion : en
  • US1979953A - Centrifuge bucket : en
  • CA345847A - Zinc distillation : en fr
  • US1979825A - Railway track structure : en
  • US1979871A - Automatic furnace stoker : en
  • US1980036A - Exercising machine : en
  • US1979606A - Process for producing white luminous tubes of electrified neon gas : en
  • US1979475A - Fly book : en
  • US1979718A - Motor driven sound and picture recording camera and reproducer : en
  • AT139404B - Adjustable curve ruler. : de en
  • US1979622A - Rotary hydraulic machine : en
  • US1979528A - Arc welding metal electrode fragment holder : en
  • DE605184C - Reverse brake with frame for attaching small-caliber automatic firearms : de en
  • DE605274C - Machine for cold twisting concrete bars or cold twisting two such bars with simultaneous stretching : de en
  • GB419027A - Improvements in or relating to cartons or containers : en
  • FR772891A - Impedance time relay to protect electrical installations : en fr
  • GB419349A - Improved foot arch support : en
  • US1979307A - Rail and wheel flange lubricator : en
  • US1979349A - Flasher : en
  • US1979853A - Window bracket : en
  • FR772861A - Rocking chair refinements : en fr
  • FR773032A - Aromatic bases, their preparation process and their application to obtaining new colorings : en fr
  • US1979500A - Separator : en
  • US1980015A - Vehicle trailer construction : en
  • DE605233C - Electric drive for rolling mills and hydraulic presses : de en
  • US1979549A - Portable refreshment stand : en
  • DE605438C - Fixed tensioning of the crossbeam on planing machines : de en
  • US1979466A - Bowling ball brake or retarder : en
  • US1979913A - Chromiferous azo-dyestuffs and process of making same : en
  • DE605216C - Lock : de en
  • US1979631A - Flatiron : en
  • US1979377A - Coin testing and ejecting mechanism for vending machines : en
  • US1979838A - Distillation of tar : en
  • US1979696A - Commutating brush : en
  • US1979816A - Container : en
  • USD93786S - Design for a shoe : en
  • DE605368C - Process and device for the production of bodies from pulp : de en
  • FR772940A - Machine for the production of agglomerates : en fr
  • FR772924A - Improvements made to devices to reduce relatively soft material to small pieces, in particular to put soap in the form of flakes : en fr
  • US1979503A - Pit prop : en
  • US1979804A - Multiple passage wiring duct : en
  • USD93768S - Design for a flower container stand : en
  • US1979313A - Program distribution system : en
  • CA345798A - Pipe cleaning device : en fr
  • DE589633C - Mercury vapor rectifier with insert to limit the clearance of the cathode spot : de en
  • GB419351A - Improvements relating to movable floors for vehicles : en
  • US1979381A - Shoe roughing tool : en
  • US1979920A - Automatic starting mechanism : en
  • US1980027A - Straw gathering attachment for harvesters : en
  • US1979273A - Telegraph exchange system : en
  • US1979799A - Conveyer mechanism : en
  • US1980009A - Process for the recovery of benzol and its homologues from solvents : en
  • AT139334B - Bracelet or the like with pouch. : de en
  • US1980095A - Alarm for fire extinguishing systems : en
  • CA345873A - Centrifugal pump : en fr
  • DE605314C - Tamping machine for concrete roads : de en
  • FR773022A - Wedge snap : en fr
  • US1979877A - Brooder box : en
  • FR772780A - Advanced swing : en fr
  • US1979892A - Spring suspension seat : en
  • DE605116C - Control for compressed air tools, hammer drills and. like : de en
  • US1979375A - Clip : en
  • US1980110A - Slug casting machine : en
  • CA345842A - Rubber composition manufacture : en fr
  • FR772937A - Trap : en fr
  • US1979300A - Method of making garments and product thereof : en
  • US1979672A - Tempering cellulose acetate plastics : en
  • US1979488A - Automatic pneumatic gear shift : en
  • US1979727A - Combined mail box and reflected sign : en
  • US1979340A - Valve operating mechanism : en
  • GB419071A - Improvements in and relating to clarifying water and the like containing solid particles : en
  • US1979571A - Process of drawing bell and spigottype pipe : en
  • AT139315B - Hot cathode. : de en
  • AT139318B - End section control for electric drives. : de en
  • DE605329C - Process for the manufacture of squeeze tubes : de en
  • US1980107A - Governor-controlled drifting valves for locomotives : en
  • CA345752A - Hospital sheeting : en fr
  • US1979901A - Worktable : en
  • US1979917A - Envelope container : en
  • GB418997A - Improvements in or relating to the manufacture of azo dyestuffs : en
  • DE605213C - Device for the storage of pipelines, in particular of pipe coils, in the form of a flat, T or other profile iron with cutouts corresponding to the cross section of the pipes : de en
  • AT139291B - Through-flow tube boilers, in particular limit steam generators. : de en
  • CA345808A - Pressure liquid regulator : en fr
  • US1979964A - Quantitative spectral analysis : en
  • CA345871A - Rivet manufacture : en fr
  • US1979288A - Method of forming collared apertures in sheet metal articles including chronometer indicators : en
  • USD93763S - Design for a woodworking tool : en
  • US1979275A - Autoelectronic triode device : en
  • US1979662A - Leer : en
  • US1979858A - Automobile top and the method of its construction : en
  • AT139252B - Device for generating and receiving electromagnetic vibrations. : de en
  • AT139304B - Remote control system with several sub-stations or switching groups on one line. : de en
  • GB419336A - Improvements in or relating to handle-bars for cycles, motor-cycles, and the like : en
  • US1979338A - Watchcase : en
  • AU1495533A - Improvements in or relating to automatic clutch devices for extension ladders : en
  • DE605275C - Schlaegermuehle with central introduction of the goods : de en
  • CA345777A - Moulded plate, rod, last and tube production : en fr
  • US1979730A - Method of treating fuel : en
  • CA345882A - Textile material : en fr
  • DE605224C - Device on apparatus for polishing glass plates or strips : de en
  • AT139264B - Dark field condenser for microscopes. : de en
  • DK49486C - Line block coupling for automatically controlled signals. : da en
  • DK49484C - Gearshift device for Automobiles and the like. : da en
  • FR772730A - Continuous process for the transformation of liquid and solid hydrocarbons into non-condensable gaseous hydrocarbons, without carbon deposition : en fr
  • GB419597A - Improved apparatus for subjecting part of the person to the action of a fluid stream : en
  • US1979834A - Carburetor : en
  • US1979924A - Baking receptacle : en
  • US1979979A - Garden marker : en
  • AT139425B - Process for the production of an agent for promoting plant growth using molded bodies made of peat to which fertilizer salts are added. : de en
  • DE605315C - Seating furniture (armchair or chair), especially for road and rail vehicles : de en
  • GB418985A - Improvements in or relating to rackets for lawn tennis and other games and the manufacture thereof : en
  • GB419210A - Improvements in gyroscopic apparatus : en
  • US1979513A - Car lighting system : en
  • US1979659A - Coin sorting machine : en
  • FR772929A - Electrical transformation system : en fr
  • FR773071A - Handle for hand-operated rolling utensils : en fr
  • US1979433A - Machine for making box tops and bottoms : en
  • US1979992A - Laminated paper container : en
  • US1979558A - Method for preventing choking of oil wells and the like : en
  • US1979666A - Warmer for nursing bottles : en
  • DE605147C - Extending table : de en
  • US1979692A - Stroboscopic testing apparatus : en
  • US1980034A - Mechanical appliance for removing feathers, stubs, and down from fowls, game-birds, ducks, geese, or the like : en
  • USD93776S - Design fob a shoe buckle or similar : en
  • US1979370A - Lubricating apparatus : en
  • DE594075C - Double fabric for furniture : de en
  • FR773000A - Improvements to paper bags or other materials : en fr
  • FR772908A - Process for converting primary or secondary unsaturated alcohols into their corresponding unsaturated carbonyl compounds : en fr
  • GB419308A - Improvements in or relating to wetting, penetrating, dispersing, foaming and cleansing agents used in the textile industry : en
  • GB419326A - Improvements in and relating to struts for photograph frames and the like : en
  • FR772732A - Device for turning and moving profiles, for rolling mill stands : en fr
  • FR772795A - Hygienic packaging for powdered materials such as sugar : en fr
  • GB419318A - Improved automatic coupling device for rolling stock vehicles : en
  • US1979881A - Rotary welding transformer : en
  • GB419166A - Improvements in or relating to springs : en
  • DE605244C - Lubrication of axle bearings, especially for rail vehicles : de en
  • DE605429C - Method for achieving uninterrupted conveyor operation in single-chamber compressed air conveyor machines : de en
  • FR773087A - Device for opening and blocking a ventilation frame for greenhouses and pitched roofs : en fr
  • GB419014A - Improvements in trucks for spreading gravel and the like : en
  • GB419305A - Illuminating means for the indicators of finger-operated change-speed gear-levers : en
  • FR773095A - Balancing mechanism of the weight of a mobile chassis : en fr
  • GB419525A - Improvements in electrical communication cables : en
  • CA345776A - Concrete pump : en fr
  • DE605185C - Device for sending sound waves in a specific direction : de en
  • DE605220C - Process for the treatment of paper machine felts, felt rollers or felt tubes : de en
  • DE605360C - Device on weaving machines with gripper guards for bending the weft ends : de en
  • AT139298B - Connection of the impeller disks with the shaft in steam turbine rotors, impellers and the like. like : de en
  • US1979458A - Container closure : en
  • DE605117C - Method and device for spreading the feet of zipper links : de en
  • GB419246A - Improvements in or relating to drilling and like rotary spindle machines : en
  • AT139378B - Telecommunication cable and process for its manufacture. : de en
  • CA345848A - Novelty container : en fr
  • AT139419B - Process for the production of a lead or lead oxide-containing product as a component of glass, enamel, glaze substitutes or the like. : de en
  • AT139272B - Biological sewage treatment plant with horizontal flow filter device. : de en
  • AU1493533A - Improvements in or relating to radio receivers : en
  • US1979610A - Apparatus and process for heating glass furnace forehearths : en
  • US1980082A - Method of making bearings : en
  • US1980103A - Stop motion device : en
  • CA345779A - Composite aircraft : en fr
  • AT139392B - Electromagnetic sound box. : de en
  • DE605409C - Device for lifting the paper roll in calculating machines : de en
  • US1979764A - Thread extractor for weft replenishing looms : en
  • US1979660A - Sectional mercury-arc rectifier : en
  • US1979280A - Method of chloridizing ore materials : en
  • US1979361A - Washing machine : en
  • DE605104C - Schuetzenschlagvorrichtung for underlay looms : de en
  • GB419131A - Improvements in the mechanisms of key-operated stringed musical instruments : en
  • US1980065A - Washing machine : en
  • US1979874A - Braking mechanism : en
  • USD93790S - Design fob a shoe : en
  • US1980037A - Signal : en
  • US1979576A - Brassiere : en
  • US1979768A - Double universal joint : en
  • US1979308A - Folding chair : en
  • US1979895A - Hub cap mounting : en
  • FR773012A - Sole for shoes and shoes provided with this sole : en fr
  • FR773096A - Container for glue and other applications : en fr
  • US1979903A - Receptacle for liquids : en
  • AT139410B - Stud screwdriver for removing broken studs. : de en
  • FR772763A - Incandescent lamps : en fr
  • USRE19360E - Earth working implement : en
  • AT139263B - Electrolytic capacitor. : de en
  • US1979656A - Apparatus for wrapping pipe : en
  • US1979935A - Hydraulic spoke wheel : en
  • US1979628A - Mono alkyl ethers of 1, 4-dihydroxy anthracene : en
  • US1979388A - Bearing and seal therefor : en
  • US1979968A - Electric projection lamp : en
  • US1979998A - Telemetering method and apparatus : en
  • GB419334A - Improvements in and relating to moving stairways : en
  • US1979399A - Dry cleaning process : en
  • US1979919A - Machine for rolling screw threads : en
  • AT139384B - High-frequency line, in particular high-frequency cable with a concentric conductor arrangement. : de en
  • US1980154A - Means for connecting strips of sheet metal : en
  • US1979846A - Cushioning device : en
  • US1979984A - Motion picture camera : en
  • DE605426C - Device for the production of ceramic objects on roller alleys : de en
  • FR772833A - Device for cleaning and lubricating cables and metal bars : en fr
  • GB419090A - Improvements in the treatment of aluminium sulphate-containing minerals and salts : en
  • US1979435A - Transmission system : en
  • US1979918A - Carburetor : en
  • US1979401A - Scoop board for vehicle boxes : en
  • US1979844A - Amusement device : en
  • GB419250A - Improved coat-stand : en
  • GB419294A - Improvements in or relating to hydraulic couplings : en
  • CA345813A - Superheater : en fr
  • US1979348A - Valve operating mechanism : en
  • US1979754A - Protective system : en
  • DE605205C - Electric capacitor : de en
  • CA345804A - Heater : en fr
  • US1979329A - Railroad rail supporting structure : en
  • USD93804S - Design fob a game board : en
  • CA345762A - Flush tank bracket : en fr
  • DE605143C - Incandescent cathode for high vacuum discharge tubes : de en
  • FR772820A - Spool holder for double wire twist spindles : en fr
  • AU1501233A - Improvements in or relating to direction finding radio receiving installations : en
  • CA345749A - Fastener : en fr
  • US1979822A - Force measuring machine : en
  • US1980147A - Lens system : en
  • AT139354B - Torsional vibration damper, especially in the transmission of devices that are driven by the crankshaft of an internal combustion engine. : de en
  • AT139362B - Discharge tube. : de en
  • DE1317038U - : de en
  • DE605359C - Method and device for the production of foundation bodies from concrete, in particular piles, in aggressive waters : de en
  • AT139390B - Grid-controlled polyphase rectifier with voltage intermediate stage. : de en
  • AT139398B - Rolling mill for the continuous production of vertically rising transverse projections on rod-like metal pieces. : de en
  • AT139422B - Homogeneous armor plate. : de en
  • US1979310A - Paper winder : en
  • DE605119C - Tear-off block attachment : de en
  • DE605337C - Regulation for internal combustion engines : de en
  • FR772818A - Material for construction : en fr
  • GB419195A - A new or improved thermometer or thermal electric switch : en
  • GB419333A - Improvements in collapsible cylindrical containers for liquids : en
  • US1979334A - Machine for winding material of ribbon like form into rolls : en
  • US1979786A - Apparatus and method for indicating defective welds : en
  • US1980008A - Manufacture of fertilizers : en
  • FR772873A - Inclined balancing device for guillotine shear blade holders : en fr
  • GB418986A - Improvements in and relating to crushers : en
  • GB419008A - Autographic registers : en
  • US1979255A - Pipe joint packing device : en
  • US1980055A - Cofferdam frame : en
  • CA345835A - Wallboard joint : en fr
  • US1979751A - Heat exchange apparatus : en
  • AT139344B - Throttle valve with hose seal. : de en
  • CA345869A - Sash balancing device : en fr
  • AT139444B - Method and device for the aftertreatment of rayon. : de en
  • CA345857A - Sound pick-up device : en fr
  • AT139300B - Fabric fastening, in particular for deck chairs. : de en
  • AT139320B - Glow discharge tube with gas or vapor filling. : de en
  • CA345751A - Centrifugal sorting machine : en fr
  • DE605401C - Filling shaft furnace with half gas firing : de en
  • DE605408C - Procedure for detecting the addition of sugar to wine : de en
  • US1980023A - Outside molding or reveal : en
  • US1979556A - Apparatus for and method of making solid carbon dioxide : en
  • US1979872A - Machine for infolding and creasing blanks : en
  • DE605152C - Magnetic record carrier : de en
  • GB419026A - Improvements in fire extinguishers : en
  • CA345783A - Stock car partition : en fr
  • CA345797A - Sewing machine cutting device : en fr
  • US1979355A - Winding mechanism : en
  • US1980075A - Ornamental initial and insignia device : en
  • US1979445A - Centrifugal switch : en
  • US1979907A - Emergency brake lever : en
  • US1980135A - Stone-channeling machine : en
  • AT139290B - Tension regulator for lengths of fabric. : de en
  • US1979443A - Headstock for lathes : en
  • US1980019A - Magnetic speedometer : en
  • US1980021A - Method of chemically etching glass surfaces : en
  • US1979644A - Brake apparatus for a wheel : en
  • US1979636A - Insulation for doors : en
  • US1979982A - Gauge glass illuminator : en
  • US1979947A - Resilient tire : en
  • US1979285A - Duplicating machine : en
  • USD93764S - Design for an automobile or similar : en
  • CA345841A - Rubber product manufacture : en fr
  • GB419034A - Improvements in or relating to calendars : en
  • US1979413A - Shear guide : en
  • US1979454A - Armature assembly machine : en
  • US1980145A - Transmission device : en
  • US1979553A - Apparatus fob cooling baker : en
  • CA345855A - Copperized paper : en fr
  • CA345832A - Catalyst : en fr
  • AT139332B - Cleaning device for card drums. : de en
  • CA345768A - Vehicle suspension : en fr
  • CA345796A - Caisson : en fr
  • US1979946A - Production of tires : en
  • DE605134C - Electric motor drive for compressors, especially for refrigeration systems : de en
  • AT139446B - Process for converting neutralized sulfonation products of higher aliphatic alcohols into dry form. : de en
  • DE605417C - Process for developing silver halide emulsions : de en
  • DE605105C - Directional antenna system for sending and receiving : de en
  • GB419033A - Improvements in or relating to automatic advancing means for reciprocating and percussive tools : en
  • FR772999A - Improvement in electrical resistances : en fr
  • AT139266B - Switching arrangement of gas-filled, electrical discharge tubes. : de en
  • GB419206A - Improvements in and relating to appliances for playing a new or improved game : en
  • US1979760A - Pipe or rod coupling and joint : en
  • DE605136C - Conveyor wagons for mining and similar operations, especially large capacity conveyors : de en
  • DE605301C - Tie holder : de en
  • US1979538A - Air conditioning apparatus : en
  • USD93771S - Design for a spectacle front : en
  • FR772770A - Rotary pump for thick liquids : en fr
  • AU1448833A - Slip-in fly window screen : en
  • US1979514A - Display stand : en
  • US1979520A - Slumber screen : en
  • US1979540A - Lady's underwear : en
  • AT139269B - Reflector and electric incandescent lamp with a reflector arranged within the same. : de en
  • AU1416933A - Improved adjustable mounting device for the number plates and tail lights of motor vehicles : en
  • DE605433C - Ceramic fluid resistance and process for its manufacture : de en
  • FR773001A - Overlock sewing process applicable to the manufacture of slippers and a sewing machine for obtaining this seam : en fr
  • GB418993A - Improvements in or relating to calculating machines : en
  • GB419260A - Improvements in and relating to electric transformers : en
  • USD93767S - Design for a game apparatus : en
  • CA345840A - Tobacco stemming machine : en fr
  • AU1497933A - An improved ice-cooled cabinet for freezing and storing flavoured ice blocks andthe like : en
  • US1979404A - Safety razor : en
  • AT139325B - Apparatus and sheets for recording controlled spark discharges. : de en
  • AU1417933A - Improvements in discharge nozzles for rotary liquid distributors : en
  • DE605159C - Device for the optical copying of picture films : de en
  • GB419353A - Improvements in and relating to wheels for vehicles : en
  • AT139317B - Beams made of shaped stones lined up next to one another. : de en
  • CA345755A - Ferrous sheet material finishing method : en fr
  • US1979328A - Signaling system : en
  • US1979501A - Cooking device : en
  • USD93772S - Design for a safety emblem : en
  • AT139373B - Membrane, especially for telephones, microphones or other electro-acoustic apparatus. : de en
  • AT139351B - Process for increasing the knock resistance and performance of internal combustion engines. : de en
  • US1979807A - Sign flasher : en
  • GB419123A - Improvements in rotary engines, pumps or compressors : en
  • DE605345C - Device on bottles to prevent unauthorized refilling : de en
  • FR772747A - Advanced front mirror : en fr
  • FR772789A - Carburetor for internal combustion engines : en fr
  • DK49494C - Device for Photographic Apparatus. : da en
  • GB419022A - Improvements in carriages for field guns : en
  • AU1494733A - Improvements in and connected with feeding apparatus for dry granulated or pulverised materials : en
  • FR773079A - Statuette pendulum : en fr
  • GB419162A - Improvements in charging apparatus for coke ovens and the like : en
  • AT139309B - Process for the production of wine pulp vinegar. : de en
  • US1979257A - Starch product and method of making same : en
  • US1980097A - Motor fuel lubricating and antiknock materials : en
  • GB419328A - Improvements in or relating to the air cooling of internal combustion engines : en
  • GB419213A - Improvements in or relating to valve seat inserts for internal combustion engines : en
  • US1979579A - Push bench guide : en
  • FR772882A - Improvements in impregnated sheet fibrous materials and in methods of manufacturing said sheet materials : en fr
  • FR772890A - Superheterodyne receiver usable as an electric phonograph amplifier : en fr
  • FR772832A - Sofa or armchair bed : en fr
  • AT139379B - Device for the delivery of current pulses. : de en
  • AT139449B - Process for the production of storable enamel slip. : de en
  • AU1731134A - Treating sulphate solutions, of thallium and cadmium : en
  • FR772787A - Detergents : en fr
  • AT139389B - Molten electrolyte rectifier. : de en
  • US1979276A - Automatic gramophone : en
  • US1979777A - Dual container : en
  • US1980044A - Pneumatic crutch pad : en
  • GB419096A - Improvements in thermionic cathodes : en
  • FR772992A - Installation to maintain constant the intensity of an electrical network, in particular for measurement operations : en fr
  • FR772976A - Process for improving the suppleness of leather : en fr
  • GB419236A - Improvements in devices for the automatic control of headlamps on automobile vehicles : en
  • FR773080A - Apparatus for crushing and grinding stone and all minerals or products : en fr
  • GB419072A - Improvements in or relating to kerr and like cells and methods of manufacturing the same : en
  • GB419331A - Improvements in or relating to electrical devices for the heating of rooms : en
  • FR772994A - Advanced folding box for pastries and more : en fr
  • FR772715A - Safety razor : en fr
  • AT139322B - Process for cold vulcanizing race rings. : de en
  • US1979715A - Plug fuse : en
  • GB418981A - Manufacture of lenses : en
  • GB419325A - Improvements in sewage distributors : en
  • GB419089A - Compound boring and honing machines : en
  • GB419161A - Improvements in and relating to tables, stools, and like articles of furniture : en
  • US1979464A - Steak slicing and dicing machine : en
  • GB418976A - Improvements in and relating to the treatment of papers and fabrics for use in photographic printing : en
  • US1979385A - Cosmetic preparation : en
  • FR772875A - Guillotine shear rear guide, with adjustment from the front of the machine : en fr
  • FR772903A - Process for the degassing of solid fuels in batch furnaces : en fr
  • DE605440C - Clamp closure for milk bottles consisting of two interconnected cardboard disks placed one on top of the other : de en
  • GB419212A - Improvements in windscreen wipers for vehicles : en
  • US1979510A - Telegraphic printing mechanism : en
  • DE605232C - Arrangement for monitoring the braking state in the event of electrical short-circuit braking : de en
  • GB419323A - Improvements in darts : en
  • US1979973A - Broaching machine : en
  • US1980093A - Anchorage device : en
  • GB419109A - Improvements in or relating to illuminating apparatus for lighthouses, beacons and the like : en
  • FR772892A - Manufacturing process of fixed, single or multiple capacitors with very constant capacity : en fr
  • FR772990A - Independent wheel suspension specially for motor vehicles : en fr
  • DE605017C - Process and rolling mill for hot rolling strips and sheets : de en
  • GB419254A - Improvements in and relating to filters for vacuum-cleaners and the like : en
  • US1979332A - Lighting device : en
  • US1979360A - Hosiery heel and method of making : en
  • US1979425A - Tandem motor mechanism : en
  • US1979578A - Protective mat for drawers : en
  • US1979949A - Meter box : en
  • FR772773A - Manufacturing process of refractory stones : en fr
  • FR772941A - New cut gemstones : en fr
  • GB419261A - A new or improved dress former : en
  • US1979614A - Halogenated ethanol : en
  • FR772744A - Oil burner improvements : en fr
  • FR772996A - Automatic torque and speed variator : en fr
  • GB419296A - Improvements in stamping or embossing machines : en
  • GB419186A - Improvements in and relating to a method of and apparatus for balancing rotating bodies : en
  • FR772827A - Mineral oil treatment process : en fr
  • GB419021A - Improved elastic yarns, and method of production thereof : en
  • US1979697A - Annealing furnace : en
  • US1979766A - Inertia actuated weft detector : en
  • US1979997A - X-ray machine : en
  • CA345839A - Knitting machine : en fr
  • DE596843C - Centrifugal casting machine with central sprue for the molds : de en
  • GB419347A - Improvements in or relating to the packing of bath sponges and similar porous bodies : en
  • GB419176A - Improvements in centrifugal pumps of the semi-axial flow type : en
  • GB419197A - Improvements in or relating to suction cleaners : en
  • DE605108C - Process for the production of sintered hard alloys : de en
  • GB419244A - Improvements in or relating to tire building apparatus : en
  • AT139306B - Medium frequency amplifier. : de en
  • FR773094A - Ball game : en fr
  • US1979299A - Feed water regulator : en
  • GB419324A - Improvements in or relating to gramophones : en
  • GB419105A - Improvements in or relating to cycle and like electric lamps : en
  • GB419241A - Improvements in or relating to the cutting of multiple-screw threads : en
  • US1979708A - Trolley frog : en
  • GB419127A - Improvements in or relating to radial drilling machines : en
  • US1979323A - Liquid dispensing and cooling device : en
  • US1980059A - Paper napkin : en
  • US1980071A - Separation of wax from hydrocarbon oils : en
  • US1980124A - Safety catch : en
  • GB419307A - Improvements in and relating to photo-electric apparatus : en
  • US1980076A - Toy : en
  • US1979419A - Leveling bar : en
  • US1979511A - Tractor attachment mechanism : en
  • AT139283B - Arrangement for demodulating amplitude-modulated oscillations. : de en
  • DE604993C - Dentures made of glass, cellphone, synthetic resin or the like. : de en
  • DE605395C - Process for the preparation of dyes of the anthraquinone series : de en
  • FR773062A - Locking device for radial drills : en fr
  • GB419248A - Improvements in or relating to the preparation of a dry product from glucose syrup : en
  • GB419023A - Improvements in and relating to tooth-brush : en
  • DE605413C - Grease lubrication sleeve, consisting of a fixed lower part and an upper part that can be screwed opposite this, with a follower piston loaded by springs supported on the upper part : de en
  • AT139370B - Method and device for winding coils within a substantially annular hollow body. : de en
  • CA345772A - Portable lamp : en fr
  • GB419165A - Improvements in or relating to apparatus for cutting web material into pre-determined lengths : en
  • FR772970A - Tube heating oven : en fr
  • GB419078A - Improvements relating to radiator muffs for automobiles : en
  • GB419038A - Improvements in or relating to lubricators for the axles of pit tubs and the like : en
  • CA345821A - Aircraft ski : en fr
  • US1979424A - Pipe section : en
  • USD93789S - Design fob a shoe : en
  • DE605258C - Safety shut-off device for gravity hot water heating systems with several boilers : de en
  • AT139323B - Device to prevent radio or electrical equipment from being connected to the power grid by unauthorized persons. : de en
  • US1979829A - Phonograph : en
  • US1980041A - Street construction : en
  • FR773024A - Boiler installation with superheater : en fr
  • AT139259B - Apparatus for bloody and bloodless cupping. : de en
  • AT139342B - Steam boiler. : de en
  • CA345770A - Bearing race grinding machine : en fr
  • DE605188C - Bread pusher for ovens : de en
  • FR772836A - Soluble starch manufacturing process : en fr
  • GB419020A - Improvements in or relating to wood-working ploughs : en
  • USD93779S - Design for wrapping paper : en
  • GB419277A - Improvements in and relating to the combining of three or more layers of material together by means of a liquid adhesive substance : en
  • GB419524A - Signalling arrangements for level crossings : en
  • USD93778S - Design for a shoe : en
  • FR772783A - Cereal chopper : en fr
  • DE605278C - Device for introducing roll films by means of the protective strip into a daylight developing container : de en
  • US1979395A - Fastening-inserting machine : en
  • US1979980A - Apparel ornament : en
  • US1980125A - Baseball game apparatus : en
  • DE605206C - Irradiation device for light therapeutic, especially dermatological purposes, in which an electric arc burns between a carbon rod and a metal cathode : de en
  • GB419074A - Improvements in and relating to machines for coating articles by dipping : en
  • US1980052A - Valve for gas pilot lights : en
  • FR772993A - Installation for power factor measurement : en fr
  • GB419247A - Improvements in or relating to automatic lathes : en
  • AT139423B - Device for burning, cooling, drying, calcining and / or sintering materials of various types. : de en
  • FR772946A - New nail dispenser : en fr
  • US1980042A - Manufacture of electrical rectifiers : en
  • US1980046A - Wagon hitch : en
  • FR772738A - Insulator for power lines and other uses : en fr
  • FR772981A - Method and apparatus for interference-free reception of multimodulated waves : en fr
  • GB419235A - Method and device for recording the work of arc welders and in general, of workmen utilising an electrode welding circuit : en
  • GB419238A - Improvements in liquid level indicating devices for motor vehicles : en
  • GB419171A - Improvements relating to clutching and braking devices, particularly for variable speed or reversing gears : en
  • FR772932A - Glass substitute, especially for optical lenses : en fr
  • GB419174A - Improved manufacture of glass vessels : en
  • FR773088A - Electronic tubes : en fr
  • GB419339A - Improvement in liquid testing methods and apparatus : en
  • FR773058A - : fr
  • USRE19363E - Water heater : en
  • FR772984A - Alarm signal control device : en fr
  • DE605191C - Process for the preparation of 1-amino-2íñ3-dimethylanthraquinone : de en
  • DE605230C - Flexible closure for express train cars : de en
  • FR773100A - Trailer for camping : en fr
  • GB419249A - Fire proof container for storing films, x-ray films and the like : en
  • FR772938A - Pressure reducing device : en fr
  • GB419163A - Improvements in kettles and like liquid heating vessels : en
  • GB419253A - Improvements in electric sound recording and reproducing devices : en
  • IE13420L - Starch products : en
  • FR772761A - Flash lamp : en fr
  • FR772844A - Artificial fins for bathers : en fr
  • GB419313A - Improvements in relation to moving and flashing advertising signs : en
  • DE605376C - Device for the production of hollow bodies : de en
  • DE605398C - Intestinal tubes : de en
  • FR772826A - Hardened lead alloy : en fr
  • US1979802A - Plugging device : en
  • AT139430B - Aluminum-iron alloys with or without cobalt for permanent magnets. : de en
  • GB419036A - Improvements in or relating to magnetos : en
  • DE605072C - Process for the preparation of diarylides of the ª ‰ íñª ‰ íñª ‰ íñª ‰ -Dioxyanthracenedicarboxylic acids : de en
  • US1979863A - Pump : en
  • FR772872A - Hydraulic sheet press for guillotine shears : en fr
  • DE595069C - Process for the production of highly flammable semi-pyrophoric metals : de en
  • DK49495C - Railing device for roof and wall constructions. : da en
  • US1979972A - Pneumatic sole for shoes : en
  • DE605228C - Process for the purification of technical pyridine bases : de en
  • FR772762A - Device for mounting the steering wheels of an automobile : en fr
  • GB419230A - Improvements in and relating to means for operating the covers of dust and other bins : en
  • DE605327C - For the storage of bedding, clothes or the like. Serving accessory part of bedsteads : de en
  • GB419070A - Brushing apparatus for shop or roller blinds : en
  • US1979386A - Heel-seat fitting machine : en
  • US1979831A - Crown slitter : en
  • CA345771A - Roller bearing : en fr
  • DE605449C - Device on die setting and line casting machines for automatic repeated engagement of the drive for the purpose of repeated casting of the same line : de en
  • FR772835A - Acceleration measuring device : en fr
  • US1979346A - Method and apparatus for coating and drying materials : en
  • US1979564A - Desk : en
  • FR772702A - Improvements in spinning, doubling and twisting looms : en fr
  • FR772721A - Processes for obtaining finely dispersed silicon-fluorine-hydrogen derivatives : en fr
  • DE605420C - Anti-slip agents for motor vehicles : de en
  • FR772874A - Adjustable blade holder for guillotine shears : en fr
  • GB419444A - Process of heating coal : en
  • US1979652A - Drilling chuck : en
  • US1979959A - Piston balancing machine : en
  • US1980022A - Method and apparatus for covering articles with sheet material : en
  • US1980118A - Process for resolving emulsions : en
  • US1979575A - Tire band : en
  • GB419182A - Attachment adapted to be fitted to a typewriter or like machine for obtaining copies without carbon paper : en
  • FR772914A - Further training in sofa beds : en fr
  • AT139364B - Circuit arrangement in telephone systems with several branch points that can be optionally called on a common connecting line. : de en
  • DE605325C - Process for the production of sulfur- and nitrogen-containing anthraquinone derivatives : de en
  • DK49487C - Procedure for Monitoring Spot Welding and Electrical Welding Circuits for Use in the Procedure. : da en
  • FR772850A - Carrier caterpillar : en fr
  • AT139414B - Means for thawing. : de en
  • US1979887A - Christmas tree ornament and method of making the same : en
  • GB419048A - Improvements in dyeing acetyl-cellulose and mixed materials containing acetyl-cellulose : en
  • US1979429A - Apparatus for making sandwich rolls : en
  • US1979961A - Method of preventing corrosion and corrosion resisting joints : en
  • FR772788A - Pigments for fibrous materials : en fr
  • FR772967A - Powder puff refinements : en fr
  • GB419219A - Improvements relating to percussive pneumatic tools : en
  • GB419417A - Improvements in automatic machines for receiving and paying for empty milk and otherbottles : en
  • US1979444A - Abrasion resisting tube : en
  • US1979746A - Internal combustion engine : en
  • US1979761A - Car construction : en
  • AT139441B - Catalyst body for use in the oxidation of ammonia. : de en
  • US1979958A - Electrical plug device : en
  • AT139328B - Leather fabric. : de en
  • AU1498133A - Method of and machine forthe continuous separation of gold or other concentrates from sandor other materials : en
  • US1979525A - Fluid sealed packing gland : en
  • US1979800A - Motion picture projecting machine : en
  • CA345863A - Naphtha processing : en fr
  • CA345769A - Culinary utensil : en fr
  • US1979928A - Meter sealing device : en
  • CA345786A - Boiler firebox arch : en fr
  • US1979507A - Coke oven machine : en
  • US1979524A - Draft rigging : en
  • FR772888A - Four-pick carpet mat : en fr
  • AT139285B - Electric fluorescent tubes. : de en
  • US1980109A - Air conditioning system : en
  • US1980132A - Liquid fuel burner : en
  • AT139276B - Collective lens for low magnification telescopes. : de en
  • US1980120A - Safety device for gas pilots : en
  • USD93802S - Design fob a shoe : en
  • CA345856A - Hydrogen sulphide production : en fr
  • DE605318C - Portable reflector with mirrors rotatably mounted at the end of a support tube made of insulating material, the rotation of which is caused by a second insulating tube : de en
  • GB419122A - Valves : en
  • US1979755A - Disinfecting device : en
  • US1979648A - Method and apparatus for making cigar fillers : en
  • DE605210C - Process for generating optical observation images with an enlarged exit pupil : de en
  • DK49478C - Cigar machine, especially for Waste Tobacco. : da en
  • CA345837A - Bumper post : en fr
  • FR772878A - Automatic braking device, for vehicles : en fr
  • US1979245A - Container for packaging sheet and fabric material : en
  • US1979569A - Door operating apparatus : en
  • US1979701A - Plastering base : en
  • US1979738A - Drag line bucket : en
  • US1979380A - Pigment and method of manufacture : en
  • AT139401B - Tool carriers for boring mills. : de en
  • US1979581A - Molding machine : en
  • US1980010A - By-product ammonia recovery method : en
  • US1980028A - Railroad : en
  • GB419068A - Improvements in or relating to the recovery of sulphur dioxide from gas mixtures : en
  • US1979263A - Portable receptacle : en
  • US1979646A - Clothes hanger : en
  • DE605380C - Disc filter cell : de en
  • US1980068A - Element structure for electron devices : en
  • USD93796S - Design fob a kitchen novelty maid : en
  • CA345794A - Motor vehicle : en fr
  • FR772790A - Improvements to velocipeds : en fr
  • GB419208A - Washable textile fabrics permeable by air and moisture and a process for the production thereof : en
  • US1979474A - Cartridge type drive gear assembly : en
  • US1979277A - Electric switch : en
  • GB419086A - Light shades or screens for use with books or the like : en
  • AT139345B - Socket weld joint. : de en
  • DE605366C - Process for monitoring and regulating combustion and gasification processes : de en
  • GB419112A - Improvements in and appertaining to picking-sticks for looms : en
  • US1979682A - Process for separating vapors from gaseous mixtures : en
  • DE605459C - Procedure for replacing longitudinal grate bars that are drawn on cross members from the side in traveling grates : de en
  • FR772931A - Process for producing mixed fertilizers containing nitrogen, phosphorus, lime and optionally potash : en fr
  • AT139281B - Demodulator arrangement for receiving electromagnetic oscillations. : de en
  • AT139386B - Circuit arrangement for registering connections in automatic telephone systems. : de en
  • US1979597A - Manufacture of lasts : en
  • US1980086A - Shoe fastener : en
  • DK49490C - Drive for Filming. : da en
  • US1979595A - Production of iron oxide pigment : en
  • US1979795A - Golf practice ball : en
  • DE605101C - Device for opening and pulling lined flat bags from the stack : de en
  • US1979839A - Safety device : en
  • CA345843A - Sponge rubber sealing strip : en fr
  • US1979311A - System of measurement and control : en
  • DE605386C - Control device for vehicles driven by an internal combustion engine and hydraulic power transmission to the vehicle axles : de en
  • DE605311C - Holder for pamphlets with a widened head that prevents it from falling over : de en
  • US1979680A - Pipe clamp : en
  • US1980050A - Shade, curtain, and drapery holder : en
  • US1979773A - Pencil holder : en
  • US1979987A - Crank and connecting rod connection : en
  • US1979676A - Method of treating bitumen : en
  • AT139286B - Double-walled electric tube. : de en
  • DE605160C - Anchor escapement for photographic locks : de en
  • DE605293C - Wing wheels, which suck in air through openings provided in the hub and drive it to the wheel circumference : de en
  • AT139375B - Installation auto switch. : de en
  • GB419108A - Improvements in or relating to roses for watering cans and the like : en
  • US1979462A - Combustion controlling device : en
  • US1979734A - Petroleum refining apparatus : en
  • US1979344A - Cutter chain and bit therefor : en
  • US1979741A - Apparatus for sharpening tools of chisel type : en
  • DE605164C - Dividing device for tool grinding and milling machines : de en
  • US1980035A - Apparatus for testing the permanent way of railways, tramways, or the like : en
  • DE605173C - Duese or shower : de en
  • DK49496C - Device for Twine Wrenches. : da en
  • US1979306A - Split roller coupling : en
  • US1979999A - Spark plug for high compression engines : en
  • US1979630A - Humidifier : en
  • US1979735A - Printing : en
  • FR772830A - Binder rings : en fr
  • US1979548A - Electric vibrator : en
  • US1979590A - Process and apparatus for conditioning air in refrigerators : en
  • US1979733A - Stroke adjusting device for power hammers : en
  • AT139361B - TV receiver with Braun cathode ray tube. : de en
  • GB419227A - A new or improved electrical terminal connection : en
  • AU1463933A - Improvements in fuel mixtures : en
  • FR772974A - Compressor unit, refrigeration liquefier : en fr
  • GB419016A - Improvements in or relating to safety razors : en
  • GB419041A - Electrically lighted sewing machine : en
  • US1979842A - Refrigerating apparatus : en
  • CA345824A - Adhesive composition : en fr
  • FR772754A - Device for sharpening mechanical pencil leads : en fr
  • FR773029A - Improvements to switchgear and railway signaling devices : en fr
  • FR772760A - Dropper device for bottles : en fr
  • FR772895A - Stenotopographic approximator quadrille : en fr
  • DE605349C - Device for lubricating the hinges of swing doors : de en
  • FR773078A - Dry gluing for postcards, envelopes and other stationery and cardboard products : en fr
  • US1980142A - Regulating device using copper oxide rectifiers : en
  • GB419172A - Improvements in vacuum installations for paper making machines : en
  • US1979293A - Plural action interval timer : en
  • DE605450C - Cleaning device for the space wedges of setting machines : de en
  • CA345775A - Tamping machine : en fr
  • DE605394C - Incandescent cathode for high vacuum discharge tubes : de en
  • US1979405A - Lock and container : en
  • DE605193C - Casting point of a die setting and line casting machine with die bars circulating on wire : de en
  • IE13217L - Soluble starch : en
  • GB419107A - Improvements in wringing machines : en
  • DE605129C - Melting kettle for stereotypical metal : de en
  • DE605171C - Method for consolidating rock layers, porous and granular masses, structures and components : de en
  • DK49499C - Holder system for the filament in tubular electric incandescent lamps. : da en
  • GB419302A - An improved display and delivery cabinet for bottles and other articles : en
  • GB419520A - Improvements relating to apparatus for the recording and reproducing of sound : en
  • GB419106A - Improvements in or relating to registration number plates for motor vehicles and to other signs or the like : en
  • GB419314A - Improvements in and relating to containers for shaving cream and the like : en
  • US1979436A - Bread butterer : en
  • US1980013A - Process of preserving fruit peel : en
  • DE605400C - Suspension device for curtains, drapes or the like. : de en
  • AT139372B - Process for the manufacture of pole wheels with laminated pole pieces. : de en
  • FR773055A - Variable reach crane with horizontal path of load and center of gravity : en fr
  • DE605106C - Burner for gas firing : de en
  • FR772849A - Broadcast receivers using the power distribution network as an antenna : en fr
  • FR773011A - Method and apparatus for treating hydrocarbons : en fr
  • US1980053A - Shingle and method of manufacturing the same : en
  • US1979967A - Piston : en
  • US1980024A - Control mechanism for alternately operated motors : en
  • DE605227C - Device for dividing cigars or the like. : de en
  • DE605267C - Incubator : de en
  • FR772805A - Process for refining metals by surface treatment : en fr
  • US1979772A - Antiskid device : en
  • AT139406B - Razor and knife. : de en
  • DE605272C - Spacers and support rings for dry pot insulation against heat hazards : de en
  • US1979600A - Water-insoluble azodyestuffs : en
  • US1980048A - Ladder web of venetian blinds : en
  • US1980064A - Washing machine : en
  • DE605165C - Holder for broken and whole whetstones by means of a longitudinally slotted sleeve : de en
  • DE605196C - Device for cooling the casting lines on die setting and line casting machines : de en
  • DE605451C - Adjustment device for the return spring of the universal rail of typewriters : de en
  • GB419226A - Improvements in or relating to driving gear for swash type engines : en
  • US1979852A - Electric switch : en
  • US1979912A - Testing device : en
  • GB419067A - Improvements in or relating to the conforming of uppers to lasts in shoe-making : en
  • DE586624C - Plastic advertising sign : de en
  • FR772982A - Improvements to jewelry comprising elephant hair or the like, real or fake : en fr
  • FR773033A - Aeromotor device : en fr
  • GB419030A - Safety razor with continuous blade : en
  • DE605181C - Process for the heat treatment of mass cores : de en
  • DE605317C - Ultra short wave generator : de en
  • US1980105A - Convertible game board : en
  • US1979486A - Method of coating metallic objects : en
  • USD93787S - Design for a bottle : en
  • US1979698A - Hat ironing and finishing machine : en
  • AU1447833A - Improvements in commodes : en
  • GB419191A - Improvements in or relating to blowers, more particularly for use in vacuum cleaners : en
  • US1979658A - Lighting system and apparatus : en
  • FR773039A - Single-cylinder, rotary, four-stroke combustion engine : en fr
  • GB418982A - Improvements in or relating to the manufacture of rackets for lawn tennis and other games : en
  • GB419274A - Improvements in and relating to means for quenching arcs in electric circuit breakers : en
  • DE605107C - Process for the production of molded articles : de en
  • DE605341C - Device on automatic swivel arms for catching and transporting the finished workpieces by means of a swiveling receiving part : de en
  • US1980131A - Pan support : en
  • US1979560A - Bag lock : en
  • FR772813A - Aviator helmet with telephone : en fr
  • FR772856A - Process for obtaining phenol : en fr
  • GB419103A - Improvements in or relating to electrical timing apparatus : en
  • US1979930A - Power transmitter : en
  • AT139350B - Diaphragm assembly. : de en
  • DE605103C - Sewage purifier : de en
  • DE605326C - Artificial teeth : de en
  • FR773066A - Improvements made to inductance coils for high frequencies, particularly those intended for radioelectric devices : en fr
  • DE605330C - Machine for stretching the heads of felt cones for hats : de en
  • FR772972A - Improvements in the manufacture of wooden articles of annular shape or the like : en fr
  • GB419073A - Improvements in or relating to thermionic amplifiers : en
  • DE605385C - Apparatus for the manufacture of flexible razor blades from steel strip : de en
  • DE605125C - Process for the preparation of 2-amino-3-oxyanthraquinone and its substitution products : de en
  • GB419321A - Improvements in and relating to plug-in electric switches : en
  • AU1496033A - Improvements in totalisator ticket issuing machines : en
  • AT139353B - Device for balancing the masses of imperfectly balanced hollow shafts. : de en
  • AT139426B - Aluminum-molybdenum-chromium-steel alloy, which is particularly suitable for use in high-pressure technology. : de en
  • AT139260B - Device for high frequency, short wave or ultra short wave treatment of the human body or for similar purposes. : de en
  • US1979517A - Collapsible reservoir holder : en
  • US1979783A - Exercising machine : en
  • US1979864A - Art of paper and board manufacture : en
  • FR773085A - Burner for liquid fuels : en fr
  • AU1361433A - Improvements in or relating to television systems : en
  • US1980031A - Golf club : en
  • US1979269A - Lasting machine : en
  • US1979965A - Oxygen cutting apparatus : en
  • AT139251B - Device for illuminating microscopic objects with incident light. : de en
  • AU1493633A - Improvements in or relating to electrical oscillation generators and apparatus incorporating thesame : en
  • AT139330B - Shutters. : de en
  • AT139439B - Two- or multi-phase baking process and process for preserving baked goods. : de en
  • US1979271A - Razor blade sharpener : en
  • US1979336A - Display device : en
  • US1979261A - Address plate : en
  • US1979621A - Balanced turbulence pump : en
  • US1979700A - Automatic film threading motion picture machine : en
  • US1979498A - Composite piston : en
  • US1979906A - Brake apparatus for a wheel : en
  • US1980067A - Pressure actuated valve : en
  • US1979350A - Support for phonograph turntables : en
  • US1979495A - Process foe the manufacture of : en
  • US1980085A - Gas pilot control : en
  • US1979598A - Road vehicle : en
  • US1979550A - Removal of carbonaceous materials from vessels : en
  • US1979363A - Revolving stage : en
  • FR773050A - Weeder hoe : en fr
  • US1979849A - Four-wheel brake mechanism : en
  • FR772852A - Process for preparing varnishes : en fr
  • FR772951A - Elbow with guide vanes, in particular in ventilation ducts : en fr
  • GB419002A - Improvements relating to angular motion indicators : en
  • GB419522A - Improvements in the preparation and use of titanium compounds : en
  • USRE19364E - price : en
  • DE605436C - Method to prevent blind or stand-off of flat glass of any type : de en
  • FR772804A - emitter with lamps cooled by circulating a liquid : en fr
  • FR772966A - Rotating turret, directly and remotely controllable, for rapid fire weapons, with retractable dome : en fr
  • US1979833A - Merchandise display device : en
  • US1979948A - Seed drill : en
  • AU1242133A - Switching or changeover means lor use ina radio repeating or transmitting station : en
  • DE605375C - Device for applying an oil layer to the sealing water of the multi-stroke gas containers : de en
  • AT139254B - Needle holder with spring-loaded jaws. : de en
  • US1979713A - Recording instrument : en
  • US1979739A - Combined flush valve and water closet : en
  • US1979909A - Continuously operating centrifugal machine : en
  • FR772745A - Method of shaping the collars on the tubes and apparatus allowing the realization : en fr
  • DE605370C - Winding transmission device for cigar machines : de en
  • US1979526A - Spring shackle : en
  • US1979716A - Sculling exerciser : en
  • DE605257C - Gravity hot water heating system in which the radiators are the same height or slightly lower than the boiler : de en
  • US1979316A - Folding mechanism : en
  • US1979885A - Hot gas gate : en
  • FR772749A - Method of proportional weighing of two liquids using the Bourdon tube; application to the greening of water : en fr
  • GB419299A - Improvements in magazine talking machines : en
  • DE605347C - Method and device for the production of knee-shaped door handles : de en
  • DE605423C - Hand grenade : de en
  • GB418996A - Improvements in or relating to illuminating apparatus for lighthouses, beacons and the like : en
  • CA345833A - Gas treating apparatus : en fr
  • DE605346C - Hollow knife for drawing the blood from slaughtered animals : de en
  • DE605428C - Box for insertable packs, e.g. B. cartons for cigarettes : de en
  • US1979612A - Drum operating mechanism for portable cranes : en
  • FR773069A - Telephone advertising method and apparatus : en fr
  • DE605112C - Plain bearing element : de en
  • FR772812A - Improvements to mercury vapor devices, and in particular to ultra-violet lamps : en fr
  • GB419007A - Improvements in or relating to apparatus for filtering liquids, particularly lubricating oil : en
  • GB419175A - Electrical cable and method of manufacture : en
  • DE605212C - Flexible power transmission device : de en
  • FR772765A - Special glider for aerial game : en fr
  • FR772953A - Installation for conditioning the air in premises : en fr
  • DE605209C - Loading equipment, in particular on ships : de en
  • GB419320A - Improvements relating to wringing machines : en
  • US1980029A - Safety razor : en
  • FR772719A - Automatic tripping system, central latching with double plates with inhibited reclosing, operating vertically : en fr
  • FR773052A - Device for winding film tapes : en fr
  • US1979387A - Cash register : en
  • US1979770A - Two-cycle engine scavenging and charging : en
  • FR772707A - Electric induction furnace : en fr
  • FR772883A - Improvements to grinders : en fr
  • FR773090A - Profile for the construction of support poles for overhead lines, or other similar applications : en fr
  • FR772926A - Carburetor improvements : en fr
  • CA345828A - Moistureproof sheet or film : en fr
  • DE605307C - Process for the production of glyceric acid : de en
  • FR772784A - New chemical compounds of the cyanine class, their preparation processes and their application as photographic sensitizers : en fr
  • FR772961A - Method of recording music played on a keyboard instrument, and apparatus based thereon : en fr
  • GB419157A - Improvements in or relating to shutter mechanism for cameras : en
  • FR772834A - Improvements to lifting devices, such as hoists, winches and others : en fr
  • FR773005A - Lighting device for passing motor vehicles : en fr
  • FR772978A - Improvements to bitumen sheets : en fr
  • GB419081A - Improvements in calcium sulphate plasters : en
  • FR773038A - Clutch control : en fr
  • GB419063A - Improvements in and relating to steam locomotives : en
  • GB419051A - Improvements in or relating to heald frames : en
  • GB419811A - Improvements in or relating to television, picture telegraphy and the like transmitting systems : en
  • GB419167A - Improvements in, and relating to, garden shears, sheep shears, scissors, pruning shears, secateurs and the like cutting tools : en
  • FR772800A - Device for dusting sheets and carpets from motor vehicles : en fr
  • DE605229C - Connection of two or more sliding axles of a rail vehicle : de en
  • AU1545833A - Improvements in and relating to headrest means for hospital beds : en
  • FR772920A - Improvements made in the manufacture of mechanical lace : en fr
  • GB419124A - Improvements in or relating to track apparatus for actuating signals on trains : en
  • DE605168C - Ski pole with a pole grip arranged displaceably in the pole axis direction counter to the spring action : de en
  • US1979469A - Stabilization of suspensions : en
  • US1979711A - Internal combustion engine : en
  • US1979915A - Side by side drum mixing machine : en
  • US1979530A - Material kicking machine : en
  • US1979693A - Extractor : en
  • US1980117A - Nonmetallic connection : en
  • FR772703A - Turbine for heavy oil or any other liquid fuel : en fr
  • FR772948A - Crankset for bicycles : en fr
  • GB419192A - Improvements in or relating to instrument boards : en
  • GB419100A - Improvements in and relating to roofing tiles : en
  • GB419183A - Improvements in or relating to electrodes for alkaline accumulators : en
  • FR772809A - Device for permanent indication of the position of the shafts and limitation of the wear of bearings, shaft stops, etc. : en fr
  • US1979709A - Time limit contactor : en
  • US1979607A - Meter apparatus : en
  • US1980070A - Refrigerator container : en
  • US1980073A - Spark plug wrench : en
  • US1980148A - Fluid dispensing apparatus : en
  • AT139431B - Process for the preparation of dilute acids. : de en
  • US1979765A - Thread holder for weft replenishing looms : en
  • US1979623A - Recreation pool : en
  • US1980087A - Detachable tool handle : en
  • FR772794A - Body exercise machine for performing rowing movements : en fr
  • US1979270A - Welding apparatus : en
  • FR772965A - Grinding and sanding machine, for cylindrical or slightly conical bars, in metal, wood, plastics, etc. : en fr
  • CA10500S - Electric lamp : en
  • US1979442A - Removal of residual debismuthizing reagents in lead refining : en
  • US1980045A - Bathroom scale : en
  • US1980136A - Shock absorbing means : en
  • CA345852A - Draft and buffing gear : en fr
  • AT139280B - Cannula for introducing therapeutically active agents into the human or animal body. : de en
  • AU1493833A - Valve control for bitumen sprayers : en
  • US1979476A - Pump : en
  • US1979487A - Cable cutting and stripping tool : en
  • US1979523A - Automobile mechanism : en
  • US1979719A - Photographic camera : en
  • US1979376A - Means for securing covers to containers : en
  • US1979638A - Refrigerating apparatus : en
  • AT139292B - Screw locking. : de en
  • US1979406A - Bag truck : en
  • US1979529A - Electric metal working method and apparatus : en
  • US1979244A - Welding tip : en
  • US1979896A - Method of lining tunnels, shafts, or the like : en
  • US1979994A - Oscillation generation : en
  • FR772801A - Advanced automatic handcuffs : en fr
  • CA345792A - Folding box : en fr
  • US1979985A - Apparatus for making liners : en
  • GB418999A - Improvements in or relating to electric couplings : en
  • DE605144C - Metal steam valve with metal housing : de en
  • AT139438B - Process for finishing wool. : de en
  • CA345838A - Knitting machine : en fr
  • FR772722A - Advanced training in stair carpet fasteners : en fr
  • CA345862A - Electrolytic cell : en fr
  • US1979603A - Cartridge reloader : en
  • US1979671A - Method for the production of rosin esters : en
  • DE605079C - Arrangement for switching on and off control stages in electrical systems with the aid of a plurality of switching devices : de en
  • DE605114C - Segment grinding wheel for grinding the running surface of railway wheel rims : de en
  • DE605300C - Vibrating sieve in which self-cleaning takes place through vibrations of one or more sieve fabrics : de en
  • DE605399C - Friction device : de en
  • US1979447A - Railway and tramway rail and wheel flange lubrication : en
  • US1979296A - Television apparatus : en
  • US1979461A - Shoe structure : en
  • US1979840A - Television apparatus : en
  • US1979331A - Method of marking materials : en
  • CA345822A - Prepared resin : en fr
  • CA345834A - Straw retarder : en fr
  • AU1507233A - Improved stop valve : en
  • AT139424B - Process for processing corrosion-resistant austenitic chrome-nickel, chrome-manganese and chrome steels, in particular austenitic boundary steels by cold forming or other cold working. : de en
  • US1979667A - Dyestuffs of the diazine series : en
  • US1979889A - Stove or heater : en
  • AU1792234A - Air brake : en
  • CA345756A - Vulcanized rubber solution : en fr
  • US1979318A - Time recorder system : en
  • US1979669A - Modulation meter : en
  • US1980149A - Rear view mirror : en
  • US1979295A - Calculating machine : en
  • US1979677A - Treated bitumen : en
  • US1979940A - Cake drier : en
  • US1979448A - Method of sweetening petroleum products : en
  • US1979791A - Shaking screen : en
  • DE605414C - Seal for pipe fittings : de en
  • USD93793S - Design fob a shoe : en
  • US1979325A - Grinding and polishing apparatus : en
  • US1980158A - Oscillatory circuit : en
  • US1979484A - Communication system : en
  • US1980152A - Fused salt bath for carburizing iron, steel, and the like : en
  • CA345748A - Aeroplane wing : en fr
  • CA345846A - Quadrangular tube manufacture : en fr
  • CA345767A - Window lock : en fr
  • FR772911A - Improvements to television devices : en fr
  • GB419233A - Improvements in and relating to the construction of light sensitive cells : en
  • US1979320A - Double-chamber back-filling apparatus with automatic control : en
  • US1980020A - Ground rod : en
  • US1980106A - Work holding and positioning device : en
  • US1980150A - Television and like apparatus : en
  • US1979243A - Apparatus and method for fusion welding : en
  • US1979391A - Shoe sole : en
  • DE605435C - Procedure for monitoring and checking the correct coordination of earth fault extinguishing devices in high-voltage networks : de en
  • FR772777A - Improvements made to the means for establishing tiles, slabs, etc., which must include shiny spots : en fr
  • GB419111A - Improvements in or relating to jib cranes : en
  • GB419222A - Improvements in or relating to containers for litter and the like : en
  • DE605295C - Procedure for overcoming run-in difficulties in bearings : de en
  • US1979470A - Method of joining bell and spigot pipe sections : en
  • US1980014A - Stamping machine : en
  • FR772810A - Duplicator : en fr
  • GB419045A - Improvements in luminous electric discharge lamps : en
  • DE605243C - Circulating oil conveyor rod for axle bearings of rail vehicles : de en
  • GB419350A - Process and apparatus for clarifying viscose : en
  • FR772866A - Method and apparatus for the manufacture by hand of carpets, and in general of pile fabrics : en fr
  • GB418980A - Improvements in electric discharge tubes : en
  • US1979314A - Power line reactor : en
  • US1979453A - Loud speaker : en
  • US1979670A - Method of preparing foundations : en
  • US1979817A - Radiator cabinet : en
  • FR772855A - Windshield maneuvering device : en fr
  • GB419039A - Improvements in couplings containing a finely divided power transmission medium : en
  • FR772825A - Baffle holders for mixers, stirrers, kneaders and the like : en fr
  • FR772886A - Self-regulating aeromotor : en fr
  • DE605237C - Process for reducing the expansion coefficient of all types of soapstone-containing ceramic masses and other ceramic masses with magnesium components : de en
  • FR772889A - Extendable barrel chuck for turning lathes : en fr
  • FR773021A - Improvements made to jacks operating by means of a pressurized fluid : en fr
  • GB419085A - Improvements relating to automatic electric circuit-breakers : en
  • US1979305A - Valve mechanism : en
  • GB419077A - Improvements in cartons or containers : en
  • FR772867A - Method for directing electric current : en fr
  • US1979252A - Radius turning tool : en
  • US1979797A - Floor machine : en
  • USRE19367E - Electric vaporizer : en
  • FR773014A - Safety device preventing fire and theft from automobiles as well as fuel leaks from the carburetor : en fr
  • FR772904A - Improvements to operating devices for closing curtains : en fr
  • FR773004A - Improvement in vibration recording tapes or the like : en fr
  • GB419003A - Improvements in or relating to apparatus for making submarine explorations : en
  • GB419234A - Ramming tool for brush ramming machines : en
  • US1979779A - Temperature limiting mechanism for hot water systems : en
  • US1979911A - Cake plate : en
  • US1980066A - Electric vaporizer : en
  • USRE19362E - Insulated dish : en
  • DE605302C - Zipper : de en
  • FR772776A - Improvements made to the processes for establishing assemblies which must include juxtaposed flat parts, in particular for establishing tiling, paving, etc. : en fr
  • US1979966A - Wire wheel truing machine and method : en
  • AT139256B - Electric discharge tube. : de en
  • DE605262C - Spine of a skeletal model : de en
  • US1979616A - Propeller control : en
  • US1979873A - Soot collector : en
  • FR772799A - Method and device for absorption refrigeration machines, as well as for thermal pumps and compressors : en fr
  • US1979785A - Milk cooler : en
  • US1979922A - Automatic road signal : en
  • CA345780A - Humidifier : en fr
  • FR772887A - Smoking and drying plant : en fr
  • GB419443A - Improvements in pickers for use in overpick weaving looms : en
  • US1979249A - Pneumatic inner tube : en
  • US1979396A - Stretching- and cutting-device on machines for pulling out threads : en
  • DK49500C - Paired Double Window. : da en
  • DE585818C - Block drive for escalators : de en
  • US1979591A - Lubricator : en
  • CA345781A - Metal recovery : en fr
  • CA345851A - Mineral oil separation : en fr
  • CA345880A - Dandelion puller : en fr
  • US1979776A - Illuminated advertising, display, and demonstrating sign : en
  • AT139388B - Molten electrolyte rectifier. : de en
  • DE605118C - Toothbrush : de en
  • DE605138C - Device for regulating the speed of electric motors by means of load machines : de en
  • GB419053A - Improvements in and relating to processes of purifying liquids and apparatus therefor : en
  • US1979740A - Well strainer : en
  • US1979400A - Distributing piping for sprinkler systems : en
  • US1979626A - Means for manufacturing hollow building blocks, tiles, and bricks : en
  • GB418971A - Improvements in and apparatus for the operation of direct current electric arcs : en
  • DE605421C - Switching device for the electric sounder, the direction indicator and the auxiliary headlights of vehicles, especially motor vehicles : de en
  • US1979605A - Method and apparatus for dispensing gas containing beverages and the like : en
  • US1979625A - Refrigerated display case : en
  • US1980039A - Ventilating apparatus for vehicle bodies : en
  • DE605217C - Strap holder on retractable sewing machines : de en
  • DE605407C - Liquid manometer : de en
  • US1979929A - Process of treating artificial threads : en
  • US1979367A - Work holding mechanism : en
  • US1979390A - Receptacle for carbonating and dispensing liquids : en
  • DE605284C - Template ruler for controlling the tool on machines for grinding curved surfaces : de en
  • DE605442C - Device for the method for controlling the delivery rate of injectors in which the propellant and the material to be conveyed are under the same static pressure : de en
  • US1979582A - Binding post terminal : en
  • US1979432A - Weed cutter : en
  • AT139367B - Capsule phone. : de en
  • CA345773A - Optical light dividing device : en fr
  • US1979588A - Remote control for radioreceivers : en
  • GB419598A - Improvements in and relating to steering gear for vehicles : en
  • AT139255B - Electric discharge tube. : de en
  • US1979248A - Textile printing : en
  • GB419258A - Improvements in four-stroke-cycle internal combustion engines : en
  • DE605208C - Process for surface soaking of carbide cartridges with OEl : de en
  • FR772748A - Improvement in gear changes : en fr
  • GB419170A - Apparatus for the continuous distillation and rectification of musts containing acetone, ethyl alcohol and butyl alcohol : en
  • US1979546A - Temperature control : en
  • US1979827A - Method and apparatus for manufacturing containers : en
  • DE605250C - Thermal tripping device for multi-pole overcurrent switches : de en
  • DE605256C - Steam heating system with gradient storage boiler : de en
  • SE81892C1 - : en
  • US1979562A - Folding chair : en
  • DE605309C - Articulated bridge for slanting the set : de en
  • US1979757A - Liquid fuel burner : en
  • US1979921A - Projecting apparatus : en
  • AT139299B - Electric alarm device with a spring-loaded pin inserted into the keyhole. : de en
  • GB419306A - Improvements in or relating to methods for the production of sheet material from artificial plastic masses : en
  • USD93766S - Design for a light projector : en
  • DE605323C - Pump arrangement for metal vapor discharge apparatus : de en
  • FR772879A - Device for the transport of railway wagons on road vehicles with support of the trailer on the tractor : en fr
  • GB419284A - Improvements in and relating to inductance coils and the like for use in radio-frequency current circuits : en
  • US1979485A - Rubber safety socket : en
  • GB419080A - Improvements in window sills for houses and other structures : en
  • FR772753A - Automatic resonance control device for single-control superheterodyne radio receivers : en fr
  • DE605319C - Automatic charger for collector batteries : de en
  • GB419285A - Improvements in and relating to jacketed steel electrodes for electric arc welding : en
  • GB419216A - Improvements in and relating to means and apparatus for indicating the speed of water-borne vessels : en
  • GB419291A - Improvements in or relating to automobiles and other vehicles in which the road-wheels are independently spring-suspended : en
  • US1980080A - Adjustable connecter : en
  • US1980116A - Sliding shelf sectional bookcase : en
  • AT139313B - Process for making electric detonators. : de en
  • AT139358B - Device for operating spark gaps for switches, conversion devices or the like. : de en
  • USD93783S - Design for a settee : en
  • AT139335B - Iron girder. : de en
  • US1980047A - Glass forming machine : en
  • US1979337A - Detachable spout : en
  • US1979522A - Motor vehicle : en
  • US1979714A - Package : en
  • US1980079A - Electric lamp socket : en
  • US1979382A - Terminal or clamp : en
  • US1979859A - Tube for boilers, heat exchangers, and the like : en
  • AT139409B - Ski armchair. : de en
  • FR772840A - Semiconductor film photoelectric cell enhancements : en fr
  • FR773013A - Collar assembly : en fr
  • DE605251C - Process for de-excitation of electrical machines by means of vibration de-excitation : de en
  • FR772782A - Chlorinated rubber manufacturing process : en fr
  • US1979534A - Disazo compound for therapeutic use : en
  • USD93788S - Design for a shoe : en
  • AT139435B - Patterned elastic bodies such as rubber play balls in particular. : de en
  • AT139253B - Eyepiece attachment for monocular microscopes. : de en
  • DE605182C - Process to protect chromium-nickel steels from attack by acids : de en
  • CA345757A - Liquid drawing device : en fr
  • CA345799A - Photograph mounting and viewing method : en fr
  • US1980017A - Electric discharge device : en
  • US1980098A - Ironing board : en
  • US1979343A - Sewing thread : en
  • US1979619A - Road building machine : en
  • AT139415B - Process for increasing the wetting ability of alkalizing liquids. : de en
  • AT139448B - Coke emptying device for vertical gas retorts for coking coal u. like : de en
  • CA345872A - Aircraft wing : en fr
  • FR773031A - Speed regulation device for machines and in particular for steam turbines : en fr
  • AT139420B - Armor plate hardened on one side and made of a chrome-nickel-molybdenum steel alloy. : de en
  • FR772808A - Key ring : en fr
  • GB419220A - Pre-selective planetary variable-speed gearing : en
  • GB418970A - Improvements in or relating to wheels and tyres for rubber tyred vehicles : en
  • GB419031A - Improvements in or relating to mechanical interrupters having electrical contact devices which are not subject to the influence of vibrations : en
  • GB419817A - The manufacture of new sulphur dyestuff preparations : en
  • AU1388133A - A process of and means forthe conversion of unmatured spirit into brandy : en
  • DE605437C - Process for quenching and tempering cobalt-tungsten alloys : de en
  • DE605448C - Set binder, consisting of a frame surrounding the set, one of which supports an adjustable bar : de en
  • US1979393A - Thermodynamic energy storage method : en
  • DE605363C - Components for securing bearing shells in axle bearings for railway vehicles : de en
  • FR773035A - Balanced valve : en fr
  • DE605328C - Device for keeping the fabric wide when rolling plastic masses into a metal fabric on calenders : de en
  • US1979431A - Game : en
  • AU1613034A - Improved sanitary seat hinge : en
  • DE605100C - Clamping device for compressed air operated one-hand grinding machines : de en
  • GB419056A - Improvements in or relating to the cylinders of two stroke internal combustion engines : en
  • DE605392C - Switch with linearly moved switching element for switching several circuits in a predetermined order : de en
  • AU1496233A - Process of preserving and condensing vegetables : en
  • FR772877A - Further training at the receiving stations of t. s. f. powered by mains electricity : en fr
  • FR772885A - Contact device for electric timepieces : en fr
  • US1980056A - Power actuated hand plane : en
  • AT139437B - Process for producing a highly active, unsintered nickel. : de en
  • FR772928A - Galvanized metal tiles, without interlocking perforations and fixing by special tension for roofs : en fr
  • FR773016A - Automatic switch : en fr
  • GB419140A - Improvements in or relating to overhead suspension railways : en
  • DE605286C - Painting lock : de en
  • DE605321C - Motor generator to generate a constant DC voltage when the speed fluctuates : de en
  • GB419345A - Improvements relating to snap fastener tape : en
  • DE605141C - Capacitor box for a larger number of capacitor elements connected in parallel or in series, lying next to one another in plan and arranged at an angle to one another : de en
  • FR772757A - Mechanical toy : en fr
  • FR772864A - Continuous toothed coupling connecting the interline wheel to the paper holder roll of typewriters and the like : en fr
  • DE605415C - Grinding machine : de en
  • AT139433B - Process for the production of a precipitated, basic alum. : de en
  • FR773042A - Safety cap can be placed and removed from the neck of bottles and containers : en fr
  • FR773049A - Flush for water closet : en fr
  • GB419132A - Improvements in or relating to garment pattern : en
  • GB418978A - Improvements in or relating to grinding, crushing, pulverizing, and mixing mills : en
  • FR772936A - Load for telephone lines, especially cable lines, operating by means of power lines : en fr
  • US1979615A - Fruit and vegetable peeler : en
  • US1979366A - Work holding and feeding mechanism : en
  • FR772726A - Portable fire extinguisher : en fr
  • US1980090A - Impulse fuel feeding device : en
  • US1979552A - Method and apparatus for removing cores from tires : en
  • DK49497C - Machine for Kneading Margarine and Other Edible Fats. : da en
  • FR772768A - Process for the preparation of coumarin : en fr
  • GB419042A - Improvements in fan cooling means for mercury arc converters : en
  • CA345763A - Textile material manufacture : en fr
  • CA345807A - Steering wheel : en fr
  • GB419076A - Improvements in and relating to locks and latches : en
  • US1980156A - Method of and means for making or separating an expansion fit : en
  • FR772717A - Improvements to cisterns for water closets : en fr
  • GB419088A - Improvements in or relating to power driven road vehicles : en
  • DE605305C - Resilient iron pit lining : de en
  • US1979611A - Valve : en
  • US1979989A - Painting mask for wheels : en
  • US1979955A - Detriting apparatus : en
  • AT139341B - Plate, especially for grave monuments. : de en
  • US1979642A - Beam : en
  • US1980069A - Process and plate for color printing : en
  • US1979434A - Commutator assembling machine : en
  • US1979826A - Doorcheck : en
  • USD93774S - Design fob a seat : en
  • US1979705A - Airplane gasoline gauge : en
  • US1980049A - Cap for dispensing containers : en
  • GB419316A - Improved book-holder, suitable for invalids and others : en
  • US1979886A - Railway leveling device : en
  • GB419017A - A combined washing machine and boiler : en
  • GB419152A - Improvements in tubular boilers for hot-houses and the like : en
  • US1979446A - Condiment holder : en
  • USD93795S - Design fob a brooch : en
  • USD93797S - Design fob a service station : en
  • US1979897A - Machine fixture : en
  • DE605242C - Splash ring to relieve the dust seal for axle sleeves of rail vehicles : de en
  • DE605298C - Method and apparatus for manufacturing seamless tubes from fibrous materials and hydraulic binders : de en
  • GB419082A - Improvements in blading arrangements for radially traversed turbomachines : en
  • GB419309A - Means for effecting thermal compensation or adjustment in fluid pressure systems : en
  • US1979695A - Mounting for reflector units in signs : en
  • FR772843A - Automatic lounge chair : en fr
  • FR772935A - Continuous absorption refrigeration machine : en fr
  • GB419231A - Improvements relating to electric plug and socket connectors : en
  • DE605287C - Inlay for the watertight closure of the slit opening of sports shoes : de en
  • DE605362C - Rail fastening on ribbed plates : de en
  • US1979267A - Method and apparatus for testing bituminous and other mixtures : en
  • GB419268A - Improved melting pot for machines for casting stereotype plates and backing electrotypes : en
  • FR772751A - Spring shock absorber system for seats specially applicable to motor vehicles and the like : en fr
  • GB419168A - Improvements in or relating to seats for use in road or rail vehicles : en
  • AT139339B - Color bodies. : de en
  • US1979862A - Shingle : en
  • US1979691A - Cushion and weather strip : en
  • CA345790A - Bar and service means : en fr
  • US1979542A - Toilet accessory : en
  • CA345761A - Multifocal lens manufacture : en fr
  • AT139338B - Device for the production of weft-free cord materials. : de en
  • US1979771A - Floral basket : en
  • US1979899A - Diaper and the like : en
  • US1980012A - Mercury boiler level indicator : en
  • USD93785S - Design for a bottle cap : en
  • AT139400B - Process for the production of pressurized gas containers. : de en
  • AT139310B - Method for grid control of grid-controlled vapor or gas discharge vessels. : de en
  • GB418979A - Improvements in and relating to electric tachometers : en
  • US1979478A - Boring machine : en
  • AT139412B - Safety razor. : de en
  • DK49476C - Wheel device or Boggie. : da en
  • GB419303A - Improvements relating to shelving : en
  • GB419526A - Improvements in type-printing telegraph systems with means for eliminating interference : en
  • US1979951A - Sash : en
  • FR772939A - Improvements to rotary grinders : en fr
  • DE605439C - Process for cold machining of workpieces with a circular cross-section by straightening, rounding, smoothing and polishing in the helical rolling mill : de en
  • US1979723A - Variable speed transmission : en
  • US1980138A - Layout and apparatus for handling wires or strips : en
  • AT139383B - Anchor bodies of electrical machines. : de en
  • AT139421B - Process for the improvement of edible flours for the production of pastries, baked goods and pasta. : de en
  • US1979699A - Balance coil : en
  • DE605127C - Device for supporting a turbine housing : de en
  • FR772979A - : fr
  • USD93798S - Design fob a bottle : en
  • US1979341A - Process for preparing cellulose : en
  • AU1491533A - One-wheeled -trailer for automobiles and similar vehicles : en
  • AT139265B - Positive pillar electric discharge tube and process for making the same. : de en
  • AU1670334A - Improvements in or relating to self-loading and discharging excavators orthe like : en
  • DE582600C - Glow cathode for discharge tubes : de en
  • DE605121C - Process and device for the mechanical extraction of coarse crystals : de en
  • GB419094A - Resilient supporting device for doors, particularly automobile doors : en
  • AT139447B - Process for the production of printing forms that can be printed directly. : de en
  • DE605351C - Door stay with a locking pin that springs vertically downwards : de en
  • DE605411C - Liquid self-seller : de en
  • US1979251A - Process and apparatus for forming paving material : en
  • US1979518A - Preparation of organic acids : en
  • US1979489A - Lens grinding machine : en
  • US1979749A - Heated stock waterer : en
  • GB419202A - Improvements in or relating to card index cabinets : en
  • US1979490A - Insulating means : en
  • AT139436B - Process for the separation of air and similar gas mixtures. : de en
  • AT139294B - Process for producing high-value resistors. : de en
  • DE605296C - Process for the production of cold enamel layers for the production of printing forms by photomechanical means : de en
  • AU1493433A - Improvements in or relating to spillover or relaxation oscillation generators and apparatus incorporating thesame : en
  • US1980030A - Process for isolating or purifying terpene alcohols and hydroaromatic alcohols : en
  • US1979397A - Photographic apparatus : en
  • US1979423A - Collapsible spool for motion picture film : en
  • US1979724A - Drafting instrument : en
  • AT139336B - Electric drive, in particular for looms. : de en
  • DE605167C - Spring-loaded metal clamp made from a single piece for clamping ski boards together : de en
  • AT139427B - Process for the production of artificial products such as rayon, films and the like. like : de en
  • CA345812A - Electrical insulating oil : en fr
  • DE605157C - Flap valve : de en
  • DE605463C - Low pressure boiler made of horizontally lying hollow cylinder shells : de en
  • US1979568A - Folding table : en
  • US1979637A - Piston ring sizing machine : en
  • CA345788A - Motor compressor : en fr
  • US1979774A - Mail dispenser : en
  • AT139343B - Internal combustion engine. : de en
  • AT139385B - Selectively acting arrangement of choke coils with iron core and a secondary winding closed by discharge vessels. : de en
  • USD93765S - Design fob a spectacle frame : en
  • AT139411B - Stretching device for the production of capsules for bottles u. like : de en
  • FR772956A - Method and device for the vaporization of heavy hydrocarbons by contact with inert porous and absorbent materials : en fr
  • FR773015A - Advanced seat : en fr
  • US1979970A - Razor blade sharpening machine : en
  • US1979848A - Meat slicer : en
  • CA345815A - Grid-forming mechanism : en fr
  • US1979758A - Coating apparatus : en
  • US1980119A - Composition of matter and process of producing the same : en
  • US1979512A - Logarithmic calculating mechanism : en
  • GB419209A - Improvements in and relating to wheels for vehicles : en
  • GB419217A - Improvements in the construction of mechanical side-shores for dry docks : en
  • GB419297A - Improvements in devices for supporting flowering and other plants : en
  • DK49471C - Procedure for the manufacture of nickel anodes for the nickel - plating industry and related purposes. : da en
  • DK49482C - Procedure for the manufacture of undivided, hollow axles for railway wagons by towing over a mandrel. : da en
  • US1979756A - Holding device : en
  • US1979812A - Magneto electric machine : en
  • US1980074A - Corn planter attachment : en
  • USD93756S - Design for a golf club : en
  • USD93761S - Design for a shoe : en
  • FR772964A - Device for improving ignition in arc converters : en fr
  • AT139268B - Spark gap for generating electrical waves. : de en
  • AT139442B - Process for the preparation of mixed chromium-containing azo dyes. : de en
  • US1979837A - Safety lamp : en
  • USD93792S - Design for a shoe : en
  • US1979537A - Motor : en
  • US1979843A - Collapsible table : en
  • US1979798A - Sectional key : en
  • US1980096A - Control valve : en
  • DE605192C - High pressure feed water preheaters, especially for locomotives : de en
  • DE605404C - Process for the production of intermediate layers from nitrocellulose for shatterproof glass : de en
  • AT139394B - Molten electrolyte rectifier. : de en
  • US1979809A - Luggage rack and tire carrier : en
  • US1979823A - Valve attachment for liquid containers : en
  • AT139302B - Theft protection for motor vehicles. : de en
  • US1979402A - Concentric shield for cables : en
  • US1979933A - Safety device for gas mains : en
  • US1979283A - Accounting system : en
  • US1979938A - Lock : en
  • US1979983A - Garment protector : en
  • US1979302A - Backfire release : en
  • US1979422A - Converter : en
  • DE605419C - Helicopter with counter rotating rotors : de en
  • GB419079A - Improvements in or relating to powder distributing cartons, tins or like containers : en
  • GB419228A - Improvements in or relating to devices for supplying lubricant or other liquids : en
  • CA345868A - Fastener installation : en fr
  • AU1423733A - Improvements in or relating to high frequency thermionic amplifiers : en
  • AT139359B - Electrical paper-insulated telephone cable that is subject to constant vibrations. : de en
  • US1980099A - Obstruction remover for sink drains and the like : en
  • GB419047A - Device for detecting the presence of foreign gases or suspensions in air or other gas : en
  • CA345875A - Speed governor drive and generator : en fr
  • DE605334C - Control device with Ruettelkoerper : de en
  • FR772711A - Device increasing the speed of swimmers : en fr
  • FR773061A - Automatic return-to-home short-circuit indicator : en fr
  • GB419151A - Improvements in the manufacture of compound sheet material : en
  • CA345782A - Alumina recovery : en fr
  • AT139297B - Device for regulating DC voltage in systems with electrical discharge devices. : de en
  • FR772791A - Manufacturing process of rings for roller bearings : en fr
  • FR772955A - Improvements to electric soldering irons : en fr
  • US1979763A - Bottle transfer apparatus : en
  • AT139363B - Glow rectifier with hollow cathode. : de en
  • CA345884A - Filament production : en fr
  • US1979457A - Safety guard for machines : en
  • US1979272A - Pontoon floating deck for tanks : en
  • US1979544A - Method of storing oxides of nitrogen : en
  • US1979535A - Art of hob manufacture : en
  • US1979702A - Combination finger ring and ornamental pin : en
  • US1979747A - Supercharger : en
  • AT139418B - Homogeneous armor plate made from a steel alloy containing chromium, molybdenum and possibly nickel. : de en
  • CA345746A - Lead and compound production : en fr
  • US1979493A - Dental impression form : en
  • US1979865A - Draft regulator : en
  • AT139368B - Roller switch. : de en
  • FR773007A - Device intended to improve the acoustics of performance halls or other venues : en fr
  • FR772756A - Universal rolling mill : en fr
  • DE605099C - When the pressure is reduced, audible alarm device on pneumatic tires, especially for motor vehicles : de en
  • DE605139C - Device to compensate for the influence of the room temperature on an electrically heated thermal release, namely the bimetal release of self-switches, and for setting the release path of the release : de en
  • DE605405C - Process for the production of corrosion-resistant, annealed aluminum alloys : de en
  • FR772716A - Electrical switching device for control systems : en fr
  • FR772865A - Method and device for surface hardening of metal objects by local heating and cooling : en fr
  • FR772884A - Container of molded plastic, wood or the like, with a tight-fitting lid : en fr
  • CA345870A - Lens : en fr
  • US1980032A - Self-starting enclosed arc lamp : en
  • CA345861A - Galvanic coating for aluminium : en fr
  • US1979384A - Apparatus for blanching nuts : en
  • US1979923A - Paper can : en
  • US1979319A - Synchronous motor job time : en
  • US1979664A - Multiple pie baking pan : en
  • US1979742A - Power transmission mechanism : en
  • FR773051A - Improvements to DC transformer systems : en fr
  • GB419024A - Hand galley for composing matrix lines for type line casting : en
  • DE605153C - Electric insect trap : de en
  • AT139296B - Device to prevent electric traction vehicles with individually driven axles from skidding. : de en
  • US1979810A - Radiator shutter : en
  • AT139314B - Display device for hot water tanks. : de en
  • US1980026A - Fabricated dynamo-electric machine : en
  • AT139275B - Toothbrush. : de en
  • AT139316B - Process for the production of plastics. : de en
  • US1979805A - Lock mechanism : en
  • US1979654A - Sash control : en
  • US1979502A - Target trap : en
  • US1979744A - Machine for marking shingles : en
  • CA345854A - Bicycle tire bead wire : en fr
  • FR772837A - Improvements to pressure lubricators : en fr
  • AU1511133A - Improvements in or relating to milking sheds and apparatus : en
  • DE605207C - Device for cutting glue or gelatine jelly : de en
  • GB419019A - Improvements in or relating to a rotary drum furnace : en
  • FR772838A - Plastic tube closure : en fr
  • US1979572A - Method of forming glass receptacles and article produced thereby : en
  • US1979304A - Method of connecting cables and the like and article produced thereby : en
  • US1979242A - Wheeled toy : en
  • US1979647A - Handling sewage sludge : en
  • CA345858A - Sound pick-up device : en fr
  • DE605279C - Device for duplicating sound recordings : de en
  • FR772767A - Improvements to machines to conform the upper to the curve of the shape in the manufacture of shoes : en fr
  • GB419028A - Stabilization of ships by means of liquid-filled tanks : en
  • GB419185A - Improvements in and relating to pressure regulators : en
  • US1980018A - Coke-oven apparatus : en
  • DE605289C - Closing device with tongs legs moved by toggle levers, especially for the overlapping ends of band tires for packages : de en
  • CA345878A - Pump driving mechanism : en fr
  • AT139366B - Lever switch with switching drum (drum switch). : de en
  • GB419158A - Improvements in or relating to spot or fog lamps for road vehicles : en
  • US1979703A - System of distribution : en
  • US1979707A - Roller bushing : en
  • GB419181A - Improvements in swaddling cloths for infants : en
  • US1979416A - Radio selector drive : en
  • US1979675A - Adjustable friction crank for counterbalanced pumping units : en
  • US1980143A - Method and process of forming hollow articles : en
  • USD93800S - Design fob a trolling spoon : en
  • US1979427A - Combination radiator and humidifier : en
  • US1979608A - Pressure switch : en
  • US1979796A - Mail chute : en
  • DE605137C - Autonomous route block system : de en
  • AU1491433A - Appliance for cutting out the covers of conserve tins : en
  • FR772987A - Ball skill game : en fr
  • GB419327A - Improvements in or relating to receipt envelopes : en
  • GB419315A - Improvements in or relating to book-binders' wrappering or covering machines : en
  • FR772718A - Leak revealing valve for gas lines : en fr
  • GB419087A - Improvements in or relating to apparatus for enabling surgeons to ligature arteries at a distance : en
  • GB419118A - Improvements in or relating to trousers : en
  • DE605276C - Folding camera with brilliant viewfinder : de en
  • GB419005A - An improved key purse : en
  • DE605133C - Address printing plate frame : de en
  • CA345784A - Moulding composition : en fr
  • US1980063A - Emergency valve for vehicle tanks : en
  • USD93775S - Design for a tire : en
  • US1979262A - Coating machine : en
  • USD93777S - Design fob a shoe : en
  • FR772720A - Improved process and apparatus for the production of cylindrical hollow articles : en fr
  • FR772740A - Automatic safety switch relay for automotive electrical equipment : en fr
  • DE605120C - Registration device : de en
  • US1979789A - Garment hem marker : en
  • DE605457C - Device for destroying the remanence of direct current generators : de en
  • US1979291A - Refrigerating apparatus : en
  • US1979417A - Fastening-inserting machine : en
  • US1979584A - Game device : en
  • US1979986A - Cellulosic composition : en
  • DE605187C - Mobile depositing device intended for tipping up and down goods : de en
  • DE605172C - Well filter : de en
  • DE605332C - Tape-shaped sound recording medium : de en
  • GB419338A - Improvements in and relating to screw pumps or compressors : en
  • US1979971A - Flaked resorcinol : en
  • US1979471A - Electric heater : en
  • DE605425C - Device for the automatic emptying of compression molds : de en
  • GB419178A - Improved method of making reproduction and apparatus therefor : en
  • USD93757S - Design for a match holder display : en
  • US1980113A - Winding machine : en
  • GB419114A - Improvements in or relating to key-operated electric tumbler switches : en
  • US1979240A - Brush for a washing machine : en
  • US1979803A - Straight lift pumping unit : en
  • FR772944A - Grain thresher : en fr
  • FR773043A - Movable container lid device for all uses and particularly for garbage cans : en fr
  • GB419352A - Improvements in cathodes for electric discharge tubes : en
  • FR773072A - Autogenous welding device : en fr
  • GB419251A - Improvements in springing in connection with motor vehicles : en
  • FR772983A - Close door : en fr
  • GB419203A - A shaft connection for engine plants : en
  • US1979643A - Composite beam : en
  • US1979748A - Method for manufacturing fruit and vegetable slicers : en
  • US1979297A - Aircraft altitude determination system : en
  • FR772828A - New welt cutter : en fr
  • GB419193A - Improvements in the mounting and supporting of screw propellers for ships or the like : en
  • GB419211A - Improvements in apparatus for applying stoppers, corks, lids or the like to bottles, jars and similar containers : en
  • US1979378A - Caster : en
  • US1979720A - Director : en
  • CA345745A - Wheat germ processing : en fr
  • DE605170C - Plate dryer with ploughshare-like material conveyors and distributors : de en
  • FR772731A - Process for crushing, mashing and sifting soft materials : en fr
  • GB419004A - Improvements in and relating to methods and apparatus for controlling the time of duration of the injection of fuel in explosion chambers, more particularly in constant volume explosion chambers of the type employed in explosion turbines : en
  • US1979555A - Band tightening device : en
  • FR773084A - Improvements in the supply of liquid fuel burners : en fr
  • GB419134A - Improvements in devices for delivering liquids in measured quantities from bottles and the like : en
  • US1980159A - Writing implement : en
  • CA345805A - Bituminous distributor : en fr
  • GB419276A - Improvements in or relating to metal cutting broaches : en
  • DE605248C - Protection device for single-phase induction motors with auxiliary phase : de en
  • US1979327A - U nit eb s t a t e s p ate nt off : en
  • US1979531A - Apparatus for the waving of the hair : en
  • US1979559A - Ester of hydroxybenzoic acid : en
  • US1979750A - High-lift attachment for frameless plows : en
  • DE605353C - Metal ink erase with book-size stapled erase paper strips : de en
  • DE605384C - Process for the production of gravure inks : de en
  • US1979567A - Folding rule : en
  • GB419257A - Improvements in filters : en
  • US1979888A - Christmas tree ornament and method of making the same : en
  • FR773099A - Gas torch for lighting fireplaces : en fr
  • FR772954A - : fr
  • FR773018A - Improvements to gas or vapor inhalers : en fr
  • AT139445B - Process and plant for the production of fermentation vinegars. : de en
  • US1980153A - Reel : en
  • USRE19359E - Filter unit : en
  • GB419255A - Improvements in and relating to shock absorbing couplings for toothed wheel gearing : en
  • GB419043A - Improvements in or relating to hair waving devices : en
  • US1979374A - Click lock : en
  • US1979640A - Marking, printing, and embossing machine : en
  • US1979580A - Pole mounting : en
  • GB419141A - Improvements in or relating to the spraying of liquids such as paints, varnishes or the like : en
  • US1979978A - Hand bag and case : en
  • USD93799S - Design fob a bottle : en
  • CA345787A - Sewage processing apparatus : en fr
  • DE605466C - Material for work equipment for processing glass or similar melts in an influessiges or plastic state : de en
  • US1979820A - Heat treatment : en
  • US1980144A - Valve construction : en
  • US1979683A - Switch structure : en
  • SE81928C1 - : en
  • DE605355C - Rifle scope : de en
  • US1980134A - Retreader : en
  • US1979830A - Automatic gear changing mechanism : en
  • FR773097A - Transformer, hydraulic transmission or other similar devices for vehicle controls or similar mechanisms, with shifting mechanism fitted afterwards : en fr
  • GB419452A - Improvements in or relating to television : en
  • US1979373A - Apparatus for defiberizing wood : en
  • US1979437A - Treating hydrocarbon oils : en
  • US1979481A - Device for indicating inclination : en
  • US1979801A - Pneumatic dispatch system : en
  • USD93760S - Design for a furniture leg or the : en
  • US1979421A - Biological product and process for producing the same : en
  • US1979536A - Truing device for grinding wheels : en
  • US1979428A - Measuring faucet : en
  • US1980061A - Measuring container for powdered and granular substances : en
  • US1979910A - Valve : en
  • FR772986A - Compressor : en fr
  • AU1508233A - Improvements in or relating to radio receiving systems : en
  • US1979815A - Method of making vehicle wheels : en
  • US1979988A - Brake band : en
  • FR772746A - Evaporator for bakery ovens : en fr
  • FR773081A - Hygienic protector for telephone receiver : en fr
  • GB419301A - Improvements in or relating to the automatic vending of milk or other liquid in bottles : en
  • FR772913A - Non-slip horse shoe : en fr
  • AT139387B - Switching device on telephone sets. : de en
  • AT139434B - Process for the production of white alkali metal cyanide. : de en
  • GB419098A - Improvements in syphons for flushing cisterns : en
  • GB419264A - Lifting truck : en
  • US1979592A - Chain link : en