• DE622821C - Process for coloring aluminum oxide coatings : de en
  • US2023379A - Textile reenforced articles, and method of making same : en
  • FR791078A - Intermittent discharge device for vertical chamber furnaces : en fr
  • DE622699C - Coupling for high-speed vertical motors, especially for driving spinning pots, twisting spindles, centrifuges or similar high-speed machine parts : de en
  • GR5545B - GOURETOPAYNION ADVERTISING PROFITABLE. : el en
  • US2022885A - Windshield cleaner : en
  • GB439415A - Direction-signalling apparatus for personal wear : en
  • US2023118A - Range control system : en
  • DE622598C - Glow lamp for generating a point light source : de en
  • DE622714C - Device for studying the bridge game : de en
  • FR791141A - Exhaust system for machine with automatic change of cans : en fr
  • GB439380A - Improvements in the manufacture and production of nitrogenous condensation products : en
  • FR791243A - Improvements to establishing heels : en fr
  • GB439262A - Improvements in or relating to a process for the production of starch : en
  • DE622852C - Hair folder for long women's hair : de en
  • GB439366A - Improvements in the manufacture and production of valuable hydrocarbons by the cracking or destructive hydrogenation of carbonaceous materials : en
  • FR791272A - High voltage winding, consisting of short cylindrical coaxial coils, in particular for transformers, the potential of which is fixed on one side, instrument transformers or reactance coils : en fr
  • DE622748C - Dry gas backflow protection for autogenous welding systems : de en
  • US2023152A - Cap forming machine : en
  • FR791167A - Improvements relating to internal combustion engines : en fr
  • GB439311A - Manufacture of zinc sulphide pigment : en
  • GB439385A - A display device or rack for plaques, crockery and the like : en
  • US2022908A - Method of making shoes : en
  • FR791005A - Receiver device for carrier current systems with switching on of the carrier current by means of signaling currents modulating this carrier current : en fr
  • FR791111A - Receipt and evacuation device for household and industrial waste : en fr
  • FR791277A - Selvedge guide introducer device for fabrics : en fr
  • US2022687A - Saturating machine and method of using same : en
  • US2022766A - Chemical composition : en
  • US2023196A - Hydrometer : en
  • US2023339A - Ventilator : en
  • FR791288A - Device for making inviolable the coin slides determined in automatic vending machines in general, or any counters : en fr
  • GB439376A - Improvements in or connected with wearing apparel : en
  • FR791210A - Very wide section pneumatic tire for vehicles : en fr
  • US2023140A - Livestock spray : en
  • GB439421A - Improvements in or relating to a method for raising plants from seed : en
  • US2023017A - Pump unit : en
  • US2023039A - Pumping unit : en
  • CA354540A - Welding and cutting apparatus : en fr
  • GB439325A - Improvements in well drills : en
  • FR791319A - Advanced color photography processes : en fr
  • US2022812A - Air heater : en
  • US2022964A - Mounting for electrical devices : en
  • AU2200035A - Improvements in or relating to helicopter and rotating wing aircraft : en
  • FR791010A - Device for damping transverse oscillations of suspension components in rail vehicles : en fr
  • FR791109A - Improvements to devices for supplying fuel to explosive engine carburetors : en fr
  • FR791221A - Improvements to fuse electrical circuit breakers : en fr
  • FR791324A - Improvements made to pistons, particularly those for internal combustion engines : en fr
  • DE622670C - Device for producing package flags with hanging thread : de en
  • FR791048A - Electric socket : en fr
  • DE622884C - Fixing device for ignition stones pyrophoric igniter : de en
  • FR791064A - Smoking pipe : en fr
  • GB439266A - Improvements in electric incandescent lamps : en
  • US2022716A - Automatic furnace : en
  • US2022864A - Machine for slitting the face of nuts : en
  • GB439184A - Improvements relating to the manufacture of work tables for metal cutting and like machine tools : en
  • GB439448A - Improvements in the reproduction of solid objects by photographic means : en
  • US2022883A - Combination adjustable splint for fingers, hands, lower arms, and feet : en
  • FR791168A - Improvements in the manufacture of solvents by fermentation : en fr
  • FR791228A - Electric lamp fixing support : en fr
  • GB439305A - An improvements in or relating to machines for washing or scouring textile fabrics : en
  • US2022918A - Pumping power : en
  • FR791035A - Combination base for gas mask : en fr
  • FR791239A - Tilting trolley : en fr
  • GB439187A - Improvements in or relating to golf clubs : en
  • FR791037A - Wiper : en fr
  • GB439371A - Improvements relating to road vehicle wheels : en
  • DE622745C - Color storage compartment for paint boxes : de en
  • GB439194A - Machine for polishing yarns or threads of fibrous substances : en
  • GB439440A - Device for holding drill bits during the forging and hardening or like operations : en
  • GB439395A - Improvements in handle guard for well casing elevators : en
  • DE622761C - Process for the preparation of stable reducing compounds of substituted dyes of the thioindigo series : de en
  • GB439437A - Printing telegraph receiver : en
  • DE622797C - Gas burner with removable burner cover : de en
  • FR791184A - Single observation station acoustic altimeter : en fr
  • US2022742A - High colonic therapy apparatus : en
  • US2022760A - Shoe and method of making the same : en
  • US2023005A - Radio dial mechanism : en
  • US2022941A - Moth bag : en
  • GB439274A - Improvements in the manufacture and production of amines : en
  • DE622760C - Electric heating element with a helical heating resistor : de en
  • US2022824A - Process of recovering nonsugars from saccharine materials : en
  • CA354497A - Garment closure : en fr
  • USD97705S - Similar article for wearing ap- : en
  • DE622886C - Die setting and line casting machine that can also work with a manual setting ship : de en
  • DE622633C - Airplane with a firearm stored inside the wing and attached to the longitudinal beams of the wing frame : de en
  • DE622681C - Device for protection against shorted turns : de en
  • GB439426A - Improvements in or relating to internal combustion engines of the liquid-fuel injection compression-ignition type : en
  • US2022676A - Composition of matter comprising ammonia, urea, and potassium salts, its preparation and use in making fertilizers : en
  • CA354555A - Separable fastener manufacture : en fr
  • DE622608C - Unrolling device for coils made of straps like : de en
  • DE622766C - Device for reproducing the shape of human and animal body parts, in particular the human foot, for orthopedic purposes : de en
  • DE622773C - Method and device for measuring the slack of textile threads : de en
  • DE622783C - Skis made from two types of wood : de en
  • USD97698S - Design fob a lamp chimney : en
  • CA354557A - Bearing unit : en fr
  • US2022979A - Manufacture of dithiocarbamates : en
  • US2022993A - Stoker mechanism : en
  • US2023162A - Detachable and collapsible : en
  • USD97661S - Design for a waffle iron or : en
  • DE622719C - Electric thread monitor arrangement for slip gate : de en
  • FR45753E - Process for the manufacture of asbestos cement paths without a break in continuity or of corrugated asbestos cement sheets with the insertion of one or more wire mesh : en fr
  • DE622829C - Device for operating aircraft landing sails on the longitudinal side of a ship : de en
  • US2022762A - Power transmission assembly for motor-driven vehicles : en
  • GB440168A - Improvements relating to boilers : en
  • US2022671A - Automatic sprinkler system : en
  • US2023122A - Butter slicing machine : en
  • US2022821A - Automobile valve seat grinder : en
  • US2022937A - Tree band : en
  • CA354482A - Cow bell strap : en fr
  • US2022739A - Cutting apparatus : en
  • US2022940A - Apparatus for cooking : en
  • GB439416A - Improvements in or relating to water softening apparatus : en
  • GR5550B - OIAX CONTROLLER OF THE VOICE MACHINE OR GRAMOPHONE. : el en
  • US2022735A - Drill : en
  • FR791068A - Device for adjusting ionic valves by means of grids : en fr
  • GB439340A - Process and apparatus for the manufacture of artificial leather : en
  • US2023035A - Piston skirt expander : en
  • US2022865A - Newspaper holder : en
  • US2022982A - Exhaust manifold : en
  • US2023386A - Wrapped package and method and means for forming the same : en
  • US2023160A - Alkyl chloro-dioxy-benzols : en
  • CA354521A - Spoked wheel manufacture : en fr
  • DK50975C - Electric Taillight for Bicycles. : da en
  • GB439569A - Improvements in rubber heels : en
  • FR791044A - Shock absorber device for automobile doors : en fr
  • GB439271A - Improvements in and relating to high frequency electric cables : en
  • US2022686A - Aluminum alloy casting and method of making the same : en
  • US2023341A - Hermetically sealed tin : en
  • US2022928A - Perforated building brick or block : en
  • US2023231A - Rolling mill driving means : en
  • US2023252A - Rubber and rubberized sanitary garment : en
  • US2023353A - Automobile wheel : en
  • US2022926A - Machine for the separation of gold or other concentrate from sand or other material : en
  • US2023000A - Cushioning mechanism : en
  • US2023056A - Butter churning means : en
  • DE622889C - Paper roll brake for rotary printing machines : de en
  • FR791187A - Air conditioning system : en fr
  • FR791291A - Transport facility : en fr
  • FR45780E - New method of using electromagnetic waves : en fr
  • FR45790E - Method and apparatus for taking, reproducing and projecting photographs or cinematographic films giving relief and changing-appearance images, and optionally in color : en fr
  • FR791092A - Security device against theft of motor vehicles : en fr
  • FR791267A - Method and device for removing dust from gas flowing in a pipe : en fr
  • GB439418A - Improvements in or relating to designer wheels for knitting machines : en
  • US2023286A - Mechanical separator : en
  • DE622861C - Workpiece feed device on automatic riveting machines for row riveting and similar work : de en
  • FR791058A - Signaling device, particularly for central call systems : en fr
  • USD97735S - Design for a lace : en
  • US2022771A - Refrigerating apparatus : en
  • US2022968A - Frequency changing system : en
  • FR45759E - Three-phase induction furnace : en fr
  • FR791303A - Improvements in the manufacture or treatment of textile yarns : en fr
  • GB439798A - Method for sensitising photographic emulsions : en
  • DE622828C - Process for the production of halftone or high-pressure forms by photomechanical means : de en
  • GB439377A - Improvements in or relating to means for renovating or restoring stonework : en
  • DE622674C - Entertainment game with many differently designed objects lying one above the other : de en
  • DE622849C - Mill firing : de en
  • FR45752E - Lighting system for rooms, public places and others : en fr
  • FR791350A - Cookie cutter : en fr
  • CA354480A - Vacuum cleaner : en fr
  • FR791030A - New edge tensioning device on mower : en fr
  • US2022717A - Inking mechanism : en
  • US2023138A - Electrically operated pump : en
  • US2023312A - Amphibian aircraft pontoon : en
  • DE622631C - Tube bending machine with bending mandrel : de en
  • US2022678A - Process for rendering water-soluble compounds soluble in organic solvents and substantially water insoluble and product of such process : en
  • USD97733S - Design for a textile fabric : en
  • US2023282A - Sign : en
  • US2023207A - Lock key : en
  • US2023117A - Range control system : en
  • US2023369A - Mineral oil and method of its manufacture : en
  • US2023367A - Industrial water composition : en
  • US2023389A - Casein solution : en
  • US2022708A - Railway traffic controlling apparatus : en
  • US2023055A - Object supporting means : en
  • US2023243A - Control system : en
  • FR791178A - Improvements to electric ovens : en fr
  • DE622742C - Press for forming floors, especially those of long, tubular workpieces : de en
  • GB439186A - Improvements in or relating to spools for photographic roll film cameras : en
  • GB439628A - Improvements relating to hydraulic transmission gear : en
  • US2022673A - Composition of matter containing fertilizer materials, its preparation and use : en
  • US2023205A - Treatment of hydrocarbon oils : en
  • GB439356A - Improvements in the manufacture and production of aromatic hydroxy compounds : en
  • US2023258A - Davit : en
  • US2022758A - Ground detecting arrangement : en
  • DE622816C - Timers, especially for echo sounders : de en
  • FR791157A - Device for determining the content of a compound in one or more of its constituents : en fr
  • US2022845A - Process for the oxidation of hydrocarbons : en
  • USD97731S - Design fob a concrete vibrator : en
  • FR791122A - Method and devices for the modulation of electromagnetic waves by phase variation : en fr
  • US2023002A - Method of removing vulcanized articles from molds, and apparatus therefor : en
  • US2023324A - Inhalator : en
  • US2023031A - Boiler for pulp mills and the like : en
  • US2023201A - Evaporator for refrigerators : en
  • US2023370A - Method of forming cigars : en
  • US2022981A - Automatic weight indicating scale : en
  • US2023356A - Concealable furnishings : en
  • US2023232A - Soldering apparatus for can bodies and the like : en
  • US2023364A - Metal coated ferrous article and process of making it : en
  • DE622743C - Hand block welding torch : de en
  • US2023186A - Joist support : en
  • US2022755A - Apparatus for treating molten material : en
  • FR791006A - Method of adjusting the filling of a container or apparatus : en fr
  • US2023227A - Method of and apparatus for deconcentrating steam : en
  • US2023285A - Heat treating : en
  • US2022785A - Electric plug : en
  • USD97699S - Charles emmey : en
  • US2022980A - Shipping container : en
  • US2022992A - Shoe calk : en
  • DE622774C - Device for coring corn : de en
  • FR791280A - Process for pressurizing gaseous agents from supply tanks containing granular or powdered materials : en fr
  • US2023194A - Garment construction : en
  • CA354576A - Rubber valve stem : en fr
  • DE622707C - Process for the production of jelly confectionery pastes : de en
  • DE622800C - Process for the preparation of substitution products of butadiene and its homologues : de en
  • FR791166A - Cement part for the formation of flashings for floors or roofs of buildings : en fr
  • US2023336A - Jacking unit for automobiles : en
  • GB439382A - Improvements in or relating to feeding-appliances for animals : en
  • DE622647C - Two-layer stab label : de en
  • FR791143A - Safety device for level crossings : en fr
  • DE622644C - Regulators for power machines : de en
  • GB439568A - Improvements in and relating to the manufacture of compound glass : en
  • DE622668C - Device for the transfer of knot points of wires over the stripping plates during molten coating : de en
  • FR45774E - Manufacturing process of 2-keto-1-gulonic acid : en fr
  • GB439422A - Improvements in electric cables : en
  • GB439466A - Improvements in lifting jacks for motor vehicles and the like : en
  • DE622705C - Floatless carburettor for motor vehicles : de en
  • GB439487A - Improvements in hydraulic transmission : en
  • DE617573C - Packing of charcoal filling for gas generators : de en
  • DK50984C - Device for Foam Extinguishers. : da en
  • DE622890C - Inking unit for gravure printing machines : de en
  • FR791201A - Assembly for the synchronization of television receivers by the transmitter : en fr
  • GB439409A - Carbonising retorts for use in coke and gas-producing chamber ovens : en
  • US2023274A - Rubber footwear : en
  • GR5547B - ENGINEER FOR CONSTRUCTION OF VERTICAL CLAYS DURING THE SIDE OF CLAY VESSELS. : el en
  • FR791009A - Device for the suspension of the pivot cross member in bogie vehicles using equalizing beams : en fr
  • GB439257A - Improvements relating to a method for the production of seamless extruded sheathings of electric cables, from metals of relatively high melting points : en
  • US2023107A - Washing machine : en
  • US2023209A - Fly swatter : en
  • US2023080A - Bumper : en
  • US2023335A - Portable grinding machine : en
  • FR791212A - Device for heating fine granular fuel in motion : en fr
  • US2022984A - Mount for electron discharge devices : en
  • US2023280A - Resilient construction unit : en
  • US2022744A - Process of providing knitted fabrics with self-fringe : en
  • FR791138A - Watertight shelter, mobile or fixed, against asphyxiating gases : en fr
  • US2022835A - Hot air furnace for heating homes : en
  • US2022900A - Supercharging of power plant : en
  • US2023008A - Regulating and metering apparatus : en
  • US2023158A - Hand grenade : en
  • FR791076A - Improvements to discharge tubes : en fr
  • US2022726A - Automatic oiling device : en
  • US2023011A - Telephone system : en
  • DK50980C - Elastic footrest that is shaped like a shoe insert and consists of a slotted plate. : da en
  • FR45785E - Sulfur wetting process : en fr
  • GB439388A - Improvements relating to telephone systems : en
  • DE622881C - Device for changing the springing component of the heel link of ski bindings : de en
  • USD97749S - Design for a hand mirror : en
  • AU2537535A - Improved device for testing sparkplugs and ignition circuits : en
  • US2023198A - Overrunning clutch mechanism : en
  • DE622594C - Device for the mechanical production of briquette bundles : de en
  • DE622819C - Method for operating a mixture-compressing four-stroke internal combustion engine : de en
  • DE622663C - Method and device for the display of individual components in gas mixtures : de en
  • DK50976C - Milk cooler. : da en
  • CA354551A - Egg treating method : en fr
  • GB439349A - Improvements relating to building material and building construction : en
  • DK50963C - Resilient steel wire mesh for couches and beds. : da en
  • DE622880C - Sausage filling device for stuffing zon divided sausages and those of any weight : de en
  • US2022850A - Face lifter and massager : en
  • CA354575A - Bristles treating method : en fr
  • FR791072A - Magnetoelectric generator for lighting, especially for bicycles : en fr
  • US2023323A - Potato cutter and planter : en
  • US2023388A - Ester of polyglycerols and method of producing the same : en
  • FR791348A - Advanced training in electrical appliances : en fr
  • DE622650C - Radially loaded turbine, in particular counter-rotating turbine : de en
  • US2023343A - Self-wringing mop : en
  • US2022904A - Vacuum pump : en
  • USD97750S - Design for a tire casing : en
  • CA354554A - Sliding fastener : en fr
  • US2022667A - Bumper construction : en
  • US2022693A - Composite wood and concrete construction : en
  • US2023134A - Portable mop wringer and pail unit : en
  • US2022815A - Centrifugal bowl for separating heavy sludge and solids from lighter liquids : en
  • AU2190235A - Improvements in adjustable spring mattress beds : en
  • USRE19772E - Rotary pump or motor : en
  • DE622725C - Process for the extraction of sulfur : de en
  • DE622804C - Warning sign circuit for electrically braked sidecars of trams or similar trains : de en
  • GB439408A - Improvements in or relating to apparatus for shaping drum built pneumatic tyre casings : en
  • US2023099A - Motor vehicle license plate : en
  • US2023307A - Artificial ground surface : en
  • US2023325A - Bottle capping machine : en
  • FR791232A - Ram formed by a piston machine : en fr
  • FR791238A - Method and apparatus for reuse of used steel wire ropes and cables : en fr
  • GB439406A - Manufacture of bromination products of vat-dyestuffs : en
  • AU2033234A - Improvements in or relating to modulated carrier wave receivers : en
  • US2022770A - Pyrotechnic device : en
  • CA354562A - Radio receiving circuit : en fr
  • FR791181A - Improvement in elastic threads, rubber tubes or other similar products and in processes and apparatus for their manufacture : en fr
  • US2023029A - Lawn mower : en
  • USPP153P - nicolas : en
  • US2022860A - Stabilized hydrogen peroxide composition : en
  • US2022867A - Machine for weighing and packing pulverulent material : en
  • US2023143A - Valve construction : en
  • US2023368A - Production of butyl alcohol by fermentation : en
  • CA354550A - Tractor track : en fr
  • GB439368A - An improved method of constructing and assembling spoked wheels for vehicles : en
  • GB439419A - Improvements in manually-operated contract bridge scorers : en
  • US2023331A - Discharge means for ball or rod mills and the like : en
  • DE622678C - Circuit arrangement for inductive transmission of direct current surges via connecting lines : de en
  • FR791124A - building element and its applications : en fr
  • US2022934A - Film editing and splicing apparatus : en
  • US2023214A - Mask : en
  • US2023103A - Motion picture apparatus : en
  • FR791339A - Improvements to electric irons : en fr
  • GB439199A - Improvements in the manufacture of copper alloy firebox plates and stays : en
  • CA354496A - Sectional glass container : en fr
  • US2022675A - Ammoniacal composition containing calcium nitrate, its preparation, transportation and use : en
  • US2023359A - Whey preparation : en
  • FR791097A - Distributor of inexpensive items with prepayment : en fr
  • GB439439A - Improvements in dynamo electric machines : en
  • CA354543A - Goffered film duplicating apparatus : en fr
  • DE620353C - Device for the automatic interruption of the dispensing process with a piston measuring device after dispensing a certain number of liters : de en
  • US2022721A - Display carton : en
  • US2022789A - Holder : en
  • US2022954A - Orange peeler : en
  • US2023052A - Window construction : en
  • US2023300A - Toy design or figure forming set : en
  • DE622693C - Galvanically coupled amplifier : de en
  • DE622818C - Duenseinlayer consisting of share and mouldboard with protruding bulge over the upper edge of the mouldboard : de en
  • US2022929A - Adjustable foundation pattern : en
  • US2023172A - Reel : en
  • CA354547A - Roots type blower : en fr
  • FR791329A - Improvements to cardan bearings : en fr
  • US2022792A - Peach pitter : en
  • AU2026334A - Improvements in or relating to television and like systems : en
  • CA354586A - Roof or wall covering : en fr
  • US2023184A - Dump truck : en
  • FR791052A - Improvements to ball dispensing devices : en fr
  • FR791186A - Fixing device for broom handles, brushes, fixed bars, etc. : en fr
  • US2022847A - Process of sweetening light naphthas : en
  • USD97673S - Design for a goblet or similar : en
  • US2023019A - Apparatus for saturating sheet material : en
  • DE622582C - Thrust bearings : de en
  • DE622894C - Collector for electric motors : de en
  • GB439435A - Improvements in the manufacture of washing preparations and the like : en
  • US2023009A - Folding table : en
  • US2023024A - Engine muffler : en
  • US2022952A - Beer dispensing system : en
  • FR791202A - Improvements to pressurized fluid brake devices : en fr
  • US2022995A - Mechanical stoker : en
  • FR791244A - Machine allowing prolonged and simultaneous testing of several test bodies : en fr
  • CA354472A - Fluid delivery and measuring device : en fr
  • US2022857A - Machine for making burners : en
  • US2022749A - Well flowing device : en
  • US2022873A - Manufacture of pulp : en
  • US2022946A - Bolt lock : en
  • GB439216A - Improvements relating to ferro-magnetic alloys : en
  • GB439338A - Improvements in bags and methods of making same : en
  • GB439331A - Improvements in and relating to electric power converting systems : en
  • US2022891A - Photocopy machine : en
  • US2023210A - Electrical game device : en
  • US2023254A - Spring suspension for vehicles : en
  • CA354508A - Holder for threads, cords, wires etc. : en fr
  • DE622656C - Process for the production of water-insoluble azo dyes : de en
  • FR791129A - Assembly of electrical controls of railway track switches : en fr
  • GB439562A - Improvements in method of manufacturing water gas : en
  • US2022683A - Rope : en
  • US2022818A - Regulator : en
  • US2023119A - Range control system : en
  • US2023177A - Pen wiping device : en
  • CA354564A - Bitumen sheeting : en fr
  • DE622789C - Device for frequency conversion of alternating current by means of controlled arc vacuum apparatus without direct current intermediate circuit : de en
  • FR791333A - Improvements to thermostats for heat regulators : en fr
  • DE622720C - Circular loom : de en
  • US2023211A - Casket handle : en
  • GB439347A - Improvements in method and means for installing valve seats : en
  • GB439249A - Improvements relating to screw propellers : en
  • DE622702C - Sound carrier with parallel or spiral optical sound tracks in serrated script : de en
  • DE622858C - Tool for checking weld seams : de en
  • USRE19781E - Radiator : en
  • USD97743S - Design for a textile fabric : en
  • FR791131A - Pilot valve for gas line : en fr
  • FR791161A - Improvements to variable speed transmissions, in particular for motor vehicles : en fr
  • GB439252A - Improvements in frames for moulding paving slabs : en
  • GB439318A - Improvements relating to telephone systems : en
  • US2023003A - Process for the production of formic acid : en
  • US2023121A - Printing telegraph apparatus : en
  • US2023069A - Liquid refrigerating unit : en
  • US2023077A - Automobile bumper : en
  • US2023095A - Fastening device for electrical appliances : en
  • USD97681S - Design for an ink bottle : en
  • DK50979C - Electric Discharge Pipe. : da en
  • US2023133A - Mop wringer : en
  • USPP158P - howard : en
  • US2023305A - Nonrefillable bottle : en
  • US2023345A - Slicing device : en
  • DE622741C - Centering device for blocks to be introduced into the transducer of a horizontal hydraulic press and to be punched according to Ehrhardt's method : de en
  • CA354573A - Typewriting and computing machine : en fr
  • US2022765A - Gauge : en
  • US2023366A - Rolling extruded magnesium alloy : en
  • CA354476A - Railway wheel : en fr
  • FR791082A - Improvements to motor vehicles with two sets of wheels resiliently connected to the suspended mass : en fr
  • USD97664S - Design for a corner trimmer for : en
  • USD97680S - Design for a shoe : en
  • FR791218A - Buttonhole sewing machine : en fr
  • CA354481A - Vacuum cleaner : en fr
  • DE622689C - Process for cleaning alkaloids and alkaloid-like substances : de en
  • US2022886A - Rumble seat lock : en
  • FR791049A - Method and apparatus for holding a glass sheet during annealing : en fr
  • FR791104A - Electronic discharge device : en fr
  • FR791273A - Inductance : en fr
  • GB439881A - Improvements in cabinets or stands for sound and vision reproducing apparatus : en
  • DE622617C - Socket and socket for electric light bulbs, flash lamps, discharge vessels and similar closed glass vessels : de en
  • FR791026A - Advanced servo brake mechanism : en fr
  • CA354477A - Windshield defroster : en fr
  • GB439433A - Improvements in or relating to processes for the preparation of therapeutic and diagnostic means for the treatment of tumours : en
  • GB439465A - Improvements in or relating to folding chairs : en
  • CA354516A - Automobile door panel : en fr
  • US2022764A - Refrigerating apparatus : en
  • FR791128A - Improvements to packaging used for the transport and storage of ice cream and other foodstuffs : en fr
  • FR791289A - Curved slide mechanism for cinematographic devices : en fr
  • GB439417A - Improvements in or relating to electrically insulating bodies : en
  • CA354572A - Fuel oil preparation : en fr
  • US2022696A - Printing machine : en
  • US2023225A - Signaling system : en
  • GB439467A - Process of recovering sulphur from gases containing sulphur dioxide : en
  • US2022685A - Disintegrating cartridge belt : en
  • US2023183A - Dress shield : en
  • FR791341A - Motor with oblique crank and cylinders parallel to the crank shaft : en fr
  • GB439188A - Manufacture of basic copper chlorides : en
  • GB439272A - Improvements relating to bituminous road and the like materials and the method of making same : en
  • US2022938A - Looper mechanism for sewing machines : en
  • US2023176A - Disazo dyestuffs : en
  • FR791318A - Improvements to wrapping or packaging machines : en fr
  • FR791306A - Aerodynamically shaped device ensuring draft and ventilation : en fr
  • FR791133A - Appliance for household use of activated carbon and other absorbents : en fr
  • GB439478A - An article of use composed of a watch and a pocket lighter in a decorative casing : en
  • GB439270A - Artificial masses and processes for their production : en
  • DE622750C - Device for adjusting the support rolls for the work rolls in rolling mills : de en
  • FR791192A - Cable thimble strop for mining cages : en fr
  • FR791338A - Azo dyes and process for their production : en fr
  • GB439261A - Manufacture of alkylated imidazoles of high molecular weight : en
  • DE622721C - Contactor replacement device : de en
  • FR791121A - Anti-parasite perception system for t. s. f. : en fr
  • DE622888C - Machine for the production of register strips for the control of die setting and line casting machines with a counting device that is switched according to the die width : de en
  • FR791087A - Method of modulating electric currents : en fr
  • FR791225A - Shoe shaping improvements : en fr
  • DE622623C - Talk head for recording or playing back magnetograms : de en
  • FR791349A - Tâte-lie dispenser for drawing liquids and in particular wines : en fr
  • DE622835C - Water tube boiler with a grate that automatically moves the fuel forward : de en
  • DE622581C - Platform scale : de en
  • FR791230A - Eyepiece tube changer for microscopes or optical instruments : en fr
  • US2022949A - Apparatus and method for forming caps for receptacles : en
  • FR791203A - Installation for signaling and showing the positions of moving parts : en fr
  • GB439201A - Improvements in or relating to the manufacture of cigarettes provided with filter tips : en
  • CA354494A - Safety razor : en fr
  • GB439224A - Improvements in or relating to photo-electric exposure meters and attachments therefor : en
  • GB439401A - Improvements in glass building blocks and method of making them : en
  • FR791024A - Electric radiator with internal heating and liquid circulation device : en fr
  • FR791200A - Instrument for taking stock, applicable in navigation : en fr
  • GB439312A - Improvements in or relating to the preparation of composite pigments containing titanium : en
  • US2022897A - Safety flare burner and snuffer : en
  • US2022950A - Reenforcing structure in buildings : en
  • US2023155A - Canopy and supporting means therefor : en
  • USD97710S - Design fob a shoe : en
  • GB439449A - Improvements in and relating to cleansing and rinsing apparatus : en
  • FR791018A - Improvements to aircraft, particularly marine planes : en fr
  • FR45795E - Method and device for adjusting the rectilinear motion carriage of jig or coordinate drilling machines : en fr
  • US2022705A - Apparatus for producing solid carbon dioxide : en
  • US2023090A - Refrigeration : en
  • US2023191A - Abrasive : en
  • US2023224A - Hood construction : en
  • US2022761A - Drying method and apparatus : en
  • US2022957A - Carburetor : en
  • USD97662S - Design for a tray or similar : en
  • US2023092A - Roller bearing : en
  • US2023365A - Automatic alternating-current welder : en
  • GB439348A - Letter file : en
  • US2022647A - Buckle : en
  • US2022920A - Revolving fan : en
  • US2022756A - Tape measure : en
  • US2022893A - Rubber bonded abrasive article : en
  • USD97716S - Design fob a table fob an ironing : en
  • CA354565A - Sulphonic acid soap : en fr
  • CA354567A - Hydrocarbon oil processing : en fr
  • DE622696C - Device for cooling high-frequency apparatus and method for their manufacture, in which a winding cool water path in a block of insulating material, e.g. B. made of porcelain or earthenware : de en
  • FR791170A - Warping machine improvements : en fr
  • US2022839A - Electrical conductor : en
  • US2023265A - Valve and spring retainer therefor : en
  • USD97690S - Design for a cabinet for phono : en
  • US2022699A - Apparatus for manufacturing welded tubing : en
  • US2023064A - Sand point puncher for wells : en
  • USD97689S - Design for a refrigerator : en
  • US2022801A - Sheet metal yoke and process of making same : en
  • US2023126A - Subdivided roller bottom for sheet normalizing furnaces : en
  • US2023348A - Apparatus for optical printing : en
  • US2023357A - Paper toweling : en
  • DE622799C - Quick connection for angled slides : de en
  • GB439267A - Improvements in and relating to hydraulic couplings : en
  • US2023197A - Freewheeling device for automobiles : en
  • GB439402A - Improvements in apparatus for making glass building blocks : en
  • GB439286A - Improved method of and means for controlling the performance of electric motors : en
  • GB440171A - Improvements in or relating to collapsible boxes and box lids : en
  • DK50974C - Root Vegetable Cleaning Machine. : da en
  • FR791223A - Fluid Supply Regulators Enhancements for Metalworking and Other Machines : en fr
  • FR791249A - Arrangement to prevent mutual interaction of transmitter and receiver in duplex carrier current traffic, especially when using a single carrier frequency : en fr
  • GB439333A - Set of loose wheels for railway vehicles : en
  • FR791059A - Method of coating bodies such as electrodes and other discharge tube components with foreign matter : en fr
  • US2023041A - Abrasive device : en
  • US2023301A - Track shunting apparatus : en
  • FR791235A - Box for packaging or other applications : en fr
  • GB439324A - Improvements relating to a method of and apparatus for observing the nature of a magnetic field : en
  • FR791001A - Improvements to magnetron tubes : en fr
  • FR791208A - Process for treating skins and products obtained : en fr
  • GB439353A - Piston-rings : en
  • DE622765C - Coupling for converting dental straight elbows into contra elbows : de en
  • DE622831C - Underwater torpedo ejection device : de en
  • US2022767A - Bumper post : en
  • US2022895A - Method of making casein buttons : en
  • US2022955A - Chair : en
  • FR791126A - Improvements to armored candles : en fr
  • GB439494A - Natural colour systems for use with television and the cinematograph : en
  • GR5543B - LUCKY GAME. : el en
  • US2022734A - Drill : en
  • AU2045934A - Improvements in or relating to miniature upright pianos : en
  • US2023142A - Motor fuel of high antiknock value : en
  • DE622715C - Process for the production of mineral wool : de en
  • FR791114A - Machine for checking cards : en fr
  • CA354577A - Balancing apparatus : en fr
  • US2023081A - Bumper construction : en
  • US2023230A - Collapsible tube and valve for dispensing fluids : en
  • US2023182A - Paper container : en
  • DE622711C - Air pressure, testing and regulating device : de en
  • GB439209A - Improvements in control devices particularly for use in the time control of lightinginstallations : en
  • FR791231A - Method and apparatus for sintering, calcining, drying and like processing operations : en fr
  • DE622672C - Bung lock with piercer attached to the bung socket with a quick release : de en
  • FR791194A - Method and apparatus for separating granular material of all kinds in the form of slurry or slurry : en fr
  • GB439265A - Process for the production of valuable products from coal varieties, tars, mineral oils and the like : en
  • GB439438A - Improvements relating to control arrangements for trolley buses : en
  • US2023263A - Safety appliance : en
  • US2022651A - Tractor : en
  • US2022858A - Machine for and method of placing tuft yarns : en
  • CA354500A - Shirt and collar : en fr
  • CA354512A - Welding electrode : en fr
  • CA354553A - Resistance unit : en fr
  • US2022962A - Arc extinguishing device : en
  • US2022670A - Cementing machine : en
  • US2022852A - Method of crinkling or puckering elastic material : en
  • FR791310A - Steam sampling device for multiple expansion steam engines : en fr
  • AU2044934A - An improved locking and folding device for legs of trays and tables : en
  • US2022659A - Electrically controlled scale mechanism : en
  • CA354505A - Belt fastener : en fr
  • DE622666C - Self-seller with fan drum : de en
  • DE622733C - Expansion switch : de en
  • DK50970C - Procedure for bleaching cotton yarns. : da en
  • US2022869A - Vehicle body : en
  • US2022878A - Garment cuff : en
  • US2023189A - Float valve : en
  • DE622734C - Coil winding machine : de en
  • FR791217A - Fading process for dyed textiles : en fr
  • USRE19778E - Method of making evaporators : en
  • US2022714A - Undertaker's table : en
  • US2023116A - Range control system : en
  • US2023136A - Air heating and conditioning device : en
  • US2022923A - Diazonium compounds : en
  • USD97717S - Design fob a textile fabric : en
  • USRE19776E - judd r : en
  • AU2194335A - Improvements relating togas fires : en
  • US2022935A - Asymmetrical ureas and their production : en
  • US2023385A - Stabilizing oils : en
  • FR791284A - Auxiliary motor for bicycles : en fr
  • US2022808A - Excavating machine : en
  • USD97715S - Design for a vanity case or : en
  • USD97734S - Design for a cycoi saddle seat : en
  • DE622605C - Lifting device for swimmers in light fluid separators : de en
  • DE622621C - Inhalation device : de en
  • DE622657C - Russblaeser : de en
  • US2022828A - Molding pan : en
  • CA354569A - Cigar container : en fr
  • DK50987C - Device by Elevators. : da en
  • US2022932A - Liquid dispensing apparatus : en
  • CA354548A - Automobile suspension system : en fr
  • US2022870A - Metal clad switch gear : en
  • US2022906A - Mailing carton : en
  • FR45810E - : fr
  • US2023070A - Protective system : en
  • US2023313A - Telemeter or like instrument : en
  • DE622658C - Process for the production of socks in one operation on the cotton knitting machine : de en
  • US2023114A - Range control system : en
  • USRE19775E - Control device for alarm : en
  • GB439387A - An improved apparatus for the electromagnetic separation of materials : en
  • CA354537A - Continuous milk delivery system : en fr
  • AU1947434A - Improvements in or relating to printing telegraph systems : en
  • USD97723S - Design fob a cosmetic jar : en
  • FR791309A - Crown pallet for axleboxes with automatic lubrication : en fr
  • DE622863C - Thread cutting device for the insert cord and the bobbin thread for buttonhole sewing machines : de en
  • DE622636C - Process for detoxifying tobacco smoke : de en
  • DE622687C - meat grinder : de en
  • FR791245A - Lighting lamp for sewing machines : en fr
  • US2022724A - Automatic drain valve : en
  • US2022914A - Door operating mechanism : en
  • GB439328A - Indirectly heated electronic tube : en
  • FR791027A - Contact Mechanism : en fr
  • FR791053A - Vehicle body, applicable in particular to motor vehicles : en fr
  • DE622805C - Switch with arc extinguishing by compressed gas : de en
  • US2023302A - Protective block for the tubes of fluid-cooled furnace walls : en
  • US2022877A - Bread slicing machine : en
  • US2023026A - Fountain syringe : en
  • FR791106A - Improvements made to turrets for machine guns or other weapons, equipping navigation vehicles : en fr
  • GB439202A - Improvements in or relating to emergency doors : en
  • FR791237A - Improvements to printing processes and printing inks : en fr
  • GB439225A - Improvements in or relating to electro-optical image transmission systems : en
  • GB439392A - Improvements in or relating to mould adjusting means for glass shaping machines : en
  • USD97676S - Design fob a shoe : en
  • GB439393A - Improvements in heated drum apparatus for desiccating liquids and semi-liquids : en
  • GB439344A - Improvements relating to the manufacture of articles from plastic materials : en
  • FR791117A - Security device auxiliary check of authenticity of an identity document : en fr
  • FR791252A - Disc wheels and their manufacturing process : en fr
  • GB439479A - Improvements in or relating to electrolytic condensers : en
  • GB439431A - Improved drive for wire spooling machines : en
  • US2022775A - Multiple pocket tool : en
  • US2022836A - Double sole attachment for knitting machines : en
  • DE622825C - Process for making waterproof paper : de en
  • GB439451A - Process for the preparation of azodyestuffs capable of forming metal compounds and new products resulting from this process : en
  • DE622791C - Electromagnetic relay, in particular telephone relay, with a recess in the yoke located in the region of the rear armature extension : de en
  • DE622625C - Control for aircraft engines with star-shaped cylinders : de en
  • DE622634C - Gear change gearbox that switches automatically depending on the speed of the driven shaft, especially for motor vehicles : de en
  • US2023149A - Blood collecting machine for serum apparatus : en
  • FR791171A - Plow with one coulter and double mobile mouldboards : en fr
  • FR45787E - Hydraulic servo control for vehicle brakes and other applications : en fr
  • FR791040A - Installation for the filtration of all liquids by vacuum : en fr
  • FR791251A - Advanced thermostatic device : en fr
  • FR791084A - Improvements to methods and apparatus for making powdered materials flowable : en fr
  • FR791071A - Process for reducing the affinity of animal fibers for dyes : en fr
  • FR791283A - Permanent magnet : en fr
  • US2023165A - Winding machine : en
  • USD97714S - Design for a sign : en
  • USRE19771E - Plumbing fixture : en
  • GB439428A - Improvements in light projection apparatus : en
  • GB439450A - Improvements in brushes : en
  • CA354579A - Colouration process : en fr
  • US2022985A - Art of converting hydrocarbon oils : en
  • US2022666A - Variable speed tension impact machine : en
  • FR45793E - Vacuum cleaner for continuous draft of chimneys : en fr
  • FR791075A - Process and control devices in the manufacture of incandescent lamps : en fr
  • DE622622C - Process for the extraction of manganese from ores, slag and other raw materials : de en
  • DE622651C - Seal for radially acted blading of centrifugal machines, especially steam turbines : de en
  • DE622792C - Method for filling an acetylene bottle with commercially available kieselguhr : de en
  • US2023256A - Control device : en
  • AU2026134A - Improvements in or relating to telephone systems : en
  • GB439369A - Improvements in nozzles for fire extinguishing : en
  • GB439633A - Improvements in or relating to photographic flashlight apparatus : en
  • FR791137A - New performance hall for fixed or cinematographic projections : en fr
  • US2022698A - Hydraulic steering mechanism : en
  • US2022948A - Lid removing means for cans : en
  • DE622782C - Cutting punch for the production of elongated insertion holes for the flat pins of the covering boards of tearing machines : de en
  • FR791025A - Silencers and shock absorbers for furniture legs, etc. : en fr
  • GB439228A - Improvements in or relating to date indicators : en
  • GB439291A - Improvements in or relating to cleaners for boilers and the like : en
  • GB439334A - Machine for the continuous projection printing of moving picture films : en
  • GB439319A - A gauge for checking dimensions relating to welded joints : en
  • DE622857C - Volume reducer : de en
  • US2022703A - Gear type coupling : en
  • US2022710A - Process of coloring synthetic resin articles : en
  • DE622593C - Machine for tensioning the strings of tennis rackets : de en
  • FR791019A - Improvements in control devices, in particular those for variable speed transmissions for automobiles : en fr
  • GB439411A - Improvements in or relating to vacuum cleaner nozzles : en
  • DK50989C - Device for two-row row cleaners. : da en
  • US2023025A - Insulated blowpipe : en
  • CA354534A - Engine starting and reversing mechanism : en fr
  • US2022730A - Work supporting attachment : en
  • CA354517A - Paper : en fr
  • GB439268A - Improvements in or relating to game apparatus : en
  • US2023083A - Outlet box and hanger bar : en
  • US2023147A - Wrapping machine : en
  • US2023259A - Electric machine : en
  • US2023271A - Processes for reduction of contamination in solutions : en
  • US2023347A - Roll grinder for leather dressing machines and the like : en
  • DE622755C - Process for the production of potassium formate : de en
  • US2023361A - Fluid-pressure operated diaphragm device : en
  • US2022806A - Airfoil : en
  • US2022769A - Can holder : en
  • US2022745A - Traffic safety device : en
  • US2022849A - Textile machine : en
  • US2023273A - Method and apparatus for making fibrous sheet material : en
  • GB439256A - Manufacture of blue dyestuffs on the fibre : en
  • GB439367A - Improvements relating to floating covers for storage tanks for liquids : en
  • US2023060A - Coupling : en
  • US2023297A - Rotatable die : en
  • FR791148A - Treatment process for bleaching and filtering earths : en fr
  • FR791259A - Device acting on train safety devices : en fr
  • FR45784E - Improvement in projection devices of images received on television : en fr
  • DE622710C - Rearview mirror for motor vehicles : de en
  • FR791150A - Process for sizing strips and means for implementing this process : en fr
  • US2023188A - Automobile top : en
  • DE622729C - Steep tube boiler : de en
  • FR791262A - Constant vacuum carburettor : en fr
  • FR791316A - Device for viewing stereoscopic views on glass : en fr
  • FR791344A - spiral upward motion elevator, for persons : en fr
  • GB439378A - A process for the production of artificial resins : en
  • USD97660S - Design for a table cooker or : en
  • DE622757C - Loading bucket for electric furnaces : de en
  • DE622597C - Process for the production of printing forms for planographic printing : de en
  • US2022645A - Two-hand control for presses : en
  • US2022682A - Vacuum pump : en
  • US2022772A - Method of and apparatus for trimming top lifts of heels : en
  • US2023378A - Apparatus for binding cut edges of pile fabrics : en
  • CA354522A - Wireless direction finding system : en fr
  • US2022915A - Metal bending machine : en
  • GB439200A - Process for the manufacture of dyestuffs of the triaryl-methane series : en
  • US2023218A - Pneumatic dispatch tube carrier : en
  • US2022652A - Inboard power unit : en
  • US2023096A - System of distribution : en
  • US2022657A - Permanent waving heater : en
  • US2022777A - Coating apparatus : en
  • US2022796A - Prepared sulphur and process : en
  • DE622629C - Cooling hub for high-speed saw blades, especially high-speed friction saws : de en
  • FR791125A - Vacuum cleaner : en fr
  • US2022655A - Antiskid attachment for shoes : en
  • FR45777E - Improvements to sulfur plants used in agriculture : en fr
  • FR791045A - Process for manufacturing suction and assembly rollers for the implementation of this process : en fr
  • GB439339A - Improvements in telephone systems and pay stations for use therein : en
  • US2023089A - Refrigeration : en
  • DE622806C - Pressurized gas nozzle switch : de en
  • GB439407A - Improvements in the manufacture of screw propellers : en
  • FR791101A - Hydraulic brake, in particular for motor cars : en fr
  • GB439254A - Lever press for pressing fruit or the like : en
  • GB439276A - Improvements in optical colour-matching apparatus : en
  • USD97700S - Similar article for wearing ap- : en
  • FR791033A - Improvements to silos : en fr
  • GB439447A - Improvements in and relating to control systems for electric circuit breakers and the like : en
  • DE622639C - Process for the production of pourable products by condensation of formaldehyde with urea : de en
  • FR45767E - Manufacturing process of cathode ray oscillographs : en fr
  • FR791320A - Improvements in color photography : en fr
  • GB439207A - Improvements in or relating to the conveying of slurry : en
  • GB439476A - Improvements in and relating to spraying devices : en
  • US2023030A - Method of wrapping packages : en
  • USD97741S - Design for a fluid treating vessel : en
  • US2023303A - Computing scale : en
  • US2022931A - Garment hem marker : en
  • GB440174A - Improvements in machines for husking grain : en
  • US2022679A - Press and filter : en
  • FR791253A - Cutting device for mowers : en fr
  • FR791134A - Method and device for forging the shank of a nail or the like : en fr
  • FR791175A - Containers, particularly suitable for cooking : en fr
  • US2023175A - Glass articles provided with designs : en
  • AU2028634A - Improvements in means for use in the jetting of sheep : en
  • DE622850C - Device for cleaning and cooling generator gases in motor vehicles : de en
  • US2023097A - Network system of distribution : en
  • US2023272A - Electron discharge device : en
  • USD97730S - Design for a hand bag : en
  • US2023237A - Condenser motor : en
  • AU1906334A - Seasoning compound for sausage meat andthe like : en
  • DE622688C - Method and device for the production of sleeves or rolls from strip material : de en
  • DE622762C - Device for the automatic control of the shut-off elements in gas generation systems with a pressure medium that actuates the shut-off elements : de en
  • DK50982C - Metalworking machine. : da en
  • US2022786A - Apparatus for handling glassware : en
  • USPP154P - byrum : en
  • DK50962C - Procedure for laying rails, in particular railway and tram rails, on rubber. : da en
  • FR791028A - Tamper-evident device for presenting postage stamp collections in the form of visible decorations : en fr
  • US2022976A - Apparatus for perforating well casings : en
  • US2023317A - Rail bond : en
  • US2022816A - Centrifugal bowl for separating heavy sludge and solids from lighter liquids : en
  • USD97722S - Design for a high wing monoplane : en
  • GB439316A - Improvements in or relating to flexible shaft drives : en
  • FR791279A - Compound soap and process for making it : en fr
  • US2022896A - Eyelash applicator and curler : en
  • AU2239135A - Improvements relating tothe froth flotation of minerals : en
  • FR791191A - Improvements in the construction of wrenches for clamping tubes : en fr
  • FR45788E - Process for manufacturing electrical conductors, in particular heating resistors, and conductors obtained by this process : en fr
  • FR791051A - Improvements to impedance networks : en fr
  • FR791270A - Improvements to toy airplanes : en fr
  • DE622723C - Drive for device with two oscillating masses which act against one another with respect to the drive and are connected to one another by elastic means, in particular for sham sieves : de en
  • GB439327A - Improvements in and relating to electric insulators : en
  • FR791023A - Toolbox : en fr
  • GB439278A - Improvements in and relating to exhalation valves for gas protection masks : en
  • US2023169A - Quick priming and ignition attach : en
  • FR791067A - Continuous purge sand trap : en fr
  • GB439310A - Improvements relating to levers for actuating bowden wire and like mechanism : en
  • GB439285A - Improvements in axminster tuft yarn pattern setting frames : en
  • DE622798C - Conveyor device for inclined construction by means of a circulating conveyor : de en
  • DK50977C - Procedure for cooling material of all kinds by means of air, gases or mixtures of gases. : da en
  • FR791287A - Improvements to bottle filling and capping devices : en fr
  • GB439326A - Improvements in coupling apparatus for vehicles and especially for railway vehicles : en
  • DK50965C - Wheel suspension for Vehicles. : da en
  • FR791011A - Process for the separation of gas mixture components : en fr
  • FR791017A - Lingerie piece comprising an inserted reinforcement piece and a location prepared for folding, and its manufacturing process : en fr
  • GB439455A - Improvements in kinematographic projecting machines : en
  • FR791256A - Improvements to broadcast receivers : en fr
  • GB439352A - Improvements in or relating to continuous feed envelope assembly : en
  • FR791127A - Improvements to wireless telegraphy broadcasters : en fr
  • GB439246A - Improvements in or relating to cheese preparations : en
  • GB439315A - Improvements in or relating to alternating current electric motors : en
  • GB439459A - Improvements in or relating to inking mechanism for use with printing machines : en
  • FR45778E - Improvement in lift carburetors : en fr
  • GB439277A - Improvements in or relating to devices for the straightening of teeth : en
  • GB439470A - A process and apparatus for the removal of cracks in the shells of rolls : en
  • DE622814C - An anchor bent from a metal rod for attaching wall blocks, wall dowels, dowel stones, wooden frames or the like. : de en
  • DK50967C - Electromagnetic Relay. : da en
  • FR791240A - Arc welding machine : en fr
  • US2023200A - Art of molding pulp containers : en
  • DK50983C - Procedure for Making Reflective Copies. : da en
  • CA354499A - Boiler incrustation removing means : en fr
  • FR791183A - Elastic system comprising multiple elements reacting in series : en fr
  • FR791265A - Transparent dial with reference points indicating the desired stations by luminous lines : en fr
  • DE622875C - Process for the preparation of tertiary nitriles : de en
  • US2022966A - Fuel distributing apparatus : en
  • FR791205A - Improvements to the process for preparing hydrocarbons of interest by treating distillable carbonaceous materials with hydrogenating gases : en fr
  • FR791189A - Improvement in electric salinometers : en fr
  • FR791340A - Method and apparatus for tamping hollow bodies and articles of various sections obtained with said apparatus : en fr
  • US2022781A - Deep well pumping and pumps : en
  • GB439185A - Improvements in and relating to holders or containers for surgical dressings, medicated plasters and the like : en
  • US2022799A - Cutting machinery : en
  • USD97729S - Design fob a bathtub : en
  • USD97686S - Design fob a crucifix : en
  • DE621691C - Wrapping machine with a feed ring with a vertical axis of rotation : de en
  • US2022795A - Method of brazing joints and the like : en
  • GB439300A - Improvements in apparatus for dry cleaning tennis or other inflated balls : en
  • DE622780C - Fuel pump with constant piston stroke and cup-like control cylinder : de en
  • CA354490A - Insert applying apparatus : en fr
  • GB439253A - Improvements relating to loom shuttles : en
  • DE622612C - Vaulted carbon grinding piece with vaulted inner armature for pantographs of electrical railways : de en
  • GB439191A - Improvements in or relating to apparatus for indicating or recording the level or volume of water and other liquids : en
  • FR791077A - Rail improvements : en fr
  • FR45799E - Improved process for producing seed germination and apparatus for its application : en fr
  • GB439206A - Improvements in or relating to radio receivers : en
  • GB440172A - Improvements in or relating to the exothermic treatment of solid materials in rotary furnaces : en
  • GB440170A - Improvements in transmission drive gear : en
  • CA354509A - Drill bit : en fr
  • US2022707A - Composition tile : en
  • US2022783A - Positioning of lasts : en
  • US2023330A - Gate control for vehicle dump bodies : en
  • US2023112A - Crystal holder : en
  • US2022660A - Pump : en
  • US2022778A - Apparatus for the production of hot reducing gases : en
  • SE84977C1 - : sv
  • DE622794C - Suspension of the independently sprung wheels of motor vehicles by means of handlebars : de en
  • GB439381A - Improvements in tobacco cutting devices : en
  • US2022774A - Refrigerating apparatus : en
  • US2023104A - Display device : en
  • US2023293A - Necktie : en
  • DE622587C - Double-lined packaging sleeve and method and device for producing the same : de en
  • DE622643C - Process for the production of rubber coagulates : de en
  • US2022743A - Inkstand : en
  • CA354474A - Remote control apparatus for valves : en fr
  • GB439458A - Improvements in or relating to taximeters : en
  • US2022753A - Weighing scale : en
  • US2023203A - Process for the manufacture of sulphuric acid : en
  • US2022987A - Steering means : en
  • USD97691S - Design for a cabinet for phono : en
  • AU2031634A - Improvements in and relating to retardation controller devices in power operated brakes for vehicles : en
  • AU2267635A - An improved cone, nozzle and burner for flamethrowers andthe like : en
  • DE622793C - Indirectly acting speed controller operated with pressurized fluid : de en
  • US2023384A - Mold disk for typographical machines : en
  • US2023247A - Mill-drying process and apparatus : en
  • US2022791A - Valve : en
  • CA354552A - Accounting machine : en fr
  • DE622753C - Process for dyeing leather : de en
  • US2022913A - Aerator for furnaces : en
  • DE622718C - Mobile conveyor device for coal or similar materials with an endless belt : de en
  • AU1907234A - Starting and handicapping apparatus for dog racing : en
  • CA354545A - Locomotive : en fr
  • FR791298A - Method for removing metal deposits : en fr
  • US2022738A - Bleaching of fatty acids, oils, and fats : en
  • US2022700A - Pin for artificial teeth and method of producing same : en
  • US2023270A - Sponge rubber sheet material having broken cells, said cells being filled with fertilizer, insecticides, or plastic fillers : en
  • FR791302A - Automobile body : en fr
  • GB439208A - Improvements in hydraulic air blowers : en
  • US2023240A - Telephone system : en
  • DE622810C - Glass suction blowing machine : de en
  • FR45763E - Special application of the elastic on the wooden sole shoe : en fr
  • GB439330A - Improvements in or relating to gasfilled electric incandescent lamps : en
  • DE622611C - Device for conveying paper sheets u. ae. by means of a toothed wheel disc : de en
  • FR45771E - Perforated punch device, without lock, with combination wheel for printing machines : en fr
  • US2023123A - Carburetor apparatus : en
  • US2023053A - Indicating attachment for plows : en
  • FR791268A - Bath cabin : en fr
  • FR791276A - High ohmic value resistors manufacturing process : en fr
  • CA354510A - Bright aluminium surface production : en fr
  • US2023066A - Flooring : en
  • DE622684C - Control arrangement for gas turbine systems with constant speed : de en
  • USD97724S - Design for a cosmetic box : en
  • FR791345A - Improvements to the drawing or drawing of metal wires : en fr
  • GB439229A - Improvements in and relating to television : en
  • US2022933A - Photographic printing : en
  • DE612925C - Pipe steam generator with forced flow of the working medium : de en
  • GB439293A - Improvements in or relating to coils for electric ignition apparatus : en
  • US2023020A - Wood heel turning machine : en
  • US2023032A - Textile drafting device : en
  • US2023072A - Oil burner : en
  • DE622727C - Process for the production of pure benzene from crude benzene : de en
  • DE622883C - Cutting device for the production of individual baking slices : de en
  • FR791054A - Process for the destructive hydrogenation of distillable carbonaceous materials : en fr
  • DE622682C - Device for operating an X-ray tube or cathode ray tube operating with a pulsating current : de en
  • US2023374A - Butyl-acetonic fermentation process : en
  • USD97708S - Charles emmey : en
  • GB439453A - Improvements in or relating to facsimile printing telegraph receivers : en
  • DE622596C - Process for the preparation of basic azo compounds of the quinoline series : de en
  • DE622732C - Process for the production of ferro-alloys : de en
  • FR791090A - Method and devices for electrical measurements with direct reading and visual indicator : en fr
  • DE622802C - Heating bath : de en
  • GB439354A - Improved means for operating impulse electric clock systems : en
  • GB439573A - Improvements in switchgear specially applicable to motor starters : en
  • DK50968C - Lifting mechanism for Vehicles. : da en
  • FR791342A - Control of rotary pistons of internal combustion engines : en fr
  • DE622776C - Fluid change gearbox : de en
  • FR791312A - Air carrier tracks : en fr
  • GB439403A - Process for the production of coloured designs on articles of aluminium : en
  • USD97679S - Design for a shoe buckle : en
  • FR45797E - Process for producing dyes for vats : en fr
  • FR791331A - Advanced gas generator : en fr
  • FR791164A - Improvements to hydraulic presses for scrap metal coming out in compressed blocks : en fr
  • FR791031A - Velocipede chain derailleur control device with tensioner braking : en fr
  • FR791258A - Fuel for engines : en fr
  • DE619939C - Pot for brewing and pouring coffee with a protrusion located in the lower part on the inside of the pot : de en
  • USD97721S - Design fob an exerciser : en
  • FR791160A - Process for enriching rubber milk : en fr
  • GB439232A - Naturally or artificially granulated, activated or unactivated anhydrous sodium peroxide : en
  • FR791292A - Brakes for motor vehicles and other applications : en fr
  • GB439197A - Improvements in or relating to illuminated signs : en
  • GB439212A - Improvements in and relating to optical instruments : en
  • US2023042A - Open die header : en
  • DE622717C - Carrying device connected to an adhesive strip for closing a package : de en
  • DE622640C - Dispersant : de en
  • US2022681A - Printing plate clamping mechanism : en
  • US2022871A - Burner : en
  • US2023124A - Aerial toy : en
  • US2023127A - Toilet-bowl ventilator : en
  • US2023163A - Log scrubbing machine : en
  • US2023295A - Sludge digesting tank : en
  • DE622641C - Method of connecting thin insulated relay coil wires : de en
  • GB439361A - Improvements in stockless anchors : en
  • US2022733A - Coating and filming machine : en
  • USD97726S - Design fob an electric lamp ob : en
  • FR791286A - Safety gas burner : en fr
  • US2023187A - Picker stick bumper : en
  • FR791142A - Protective device and sound amplifier for loudspeakers of t. s. f. : en fr
  • US2023139A - Automatic reversible electric switch : en
  • US2022807A - Curtain roller : en
  • DE622425C - Process for the production of a bag by folding and stitching a rectangular blank : de en
  • DE622811C - Method and device for drawing glass tubes : de en
  • GB439397A - Synchronised firing mechanism for automatic firearms : en
  • FR791226A - Device for leveling concrete and all products in layers of regular thickness : en fr
  • FR791209A - Hydraulic cylinder : en fr
  • GB439233A - Improvements in and relating to dynamo electric machines : en
  • DE622659C - Sewing thread for surgical needles : de en
  • DK50972C - Method with associated machine for attaching soles to footwear by means of an adhesive. : da en
  • DK50973C - Form plate for Forming Dough. : da en
  • CA354582A - Aircraft propeller : en fr
  • FR791032A - Improvements to wireless telephony speakers and receivers : en fr
  • FR791086A - Manufacturing process for coloring materials : en fr
  • USD97747S - Design fob a lace : en
  • US2023006A - Wet drum meter : en
  • US2023028A - Jet propelled float for fire nozzles : en
  • US2023253A - Rubber and rubberized sanitary garment : en
  • US2023310A - Apparatus for refueling aircraft in the air : en
  • US2023328A - Handle for shipping boxes : en
  • US2022909A - Shaft coupling : en
  • US2022888A - Valve actuating device : en
  • GB439329A - Improvements in or relating to food safes and the like : en
  • DE622628C - Boring mill, especially fine boring mill : de en
  • US2023277A - Method of making intersecting rail structures : en
  • US2023101A - Furnace : en
  • DE622801C - Process for the production of calcium cyanamide fertilizers and phosphorus or phosphorus oxides : de en
  • CA354529A - Granular garnet processing : en fr
  • DE622694C - Method for the detection of amplitude and frequency modulation of modulated vibrations : de en
  • US2022975A - Pressure regulator : en
  • FR791155A - Improvements to clutch devices applicable more particularly to control members used in t receiving devices. s. f., television, etc. : en fr
  • USD97711S - Design for a beverage dispenser : en
  • US2023326A - Starting system for alternating-current motors : en
  • DE622775C - Free-flight piston machine with counter-rotating masses : de en
  • DE622824C - Endless conveyor device for chocolate molds to be cooled : de en
  • DK50966C - Printing machine. : da en
  • FR791233A - Process for the manufacture of resinous substances which are similar in composition and properties to lacquer : en fr
  • US2022780A - Container : en
  • USD97728S - Design for a textile fabkic : en
  • DE622846C - Process for the production of dyes : de en
  • DE622599C - Seamless cone or cone-like membrane made of paper for loudspeakers : de en
  • US2022898A - Internal combustion engine : en
  • GB439341A - Improvements in the production of craped or crimped artificial yarns : en
  • GB439383A - Improvements in or relating to electric circuit breakers : en
  • GB439192A - Improvements in vehicle tyres : en
  • FR791206A - Improvements to fixing devices for filing cabinets : en fr
  • GR5546B - MOTORCYCLE TRANSMISSION FOLDING AND DEMOLABLE CAMPAIGN. : el en
  • FR791135A - Inks improvement : en fr
  • GB439226A - Improvements in or relating to vehicle head lamps : en
  • FR45794E - Improvements to automatic rivet setting machines and similar machines : en fr
  • FR791294A - Improvements to packaging for triangular objects : en fr
  • USD97666S - Design for a finger ring : en
  • CA354479A - Cyclic ether production : en fr
  • DE622871C - Slide box for cigarettes : de en
  • DE622874C - Production of nitrogen oxides from ammonia : de en
  • CA354487A - Garter : en fr
  • US2022841A - Two-cycle internal combustion engine : en
  • CA354485A - Sealing system for reciprocating members : en fr
  • GB439307A - Improvements in and relating to low frequency amplifying systems : en
  • US2022911A - Conveyer mechanism for machines for handling bread : en
  • US2023352A - Vehicle wheel : en
  • CA354574A - Upholstery installation : en fr
  • DE622620C - Insert ampoule for injection syringes : de en
  • US2023170A - Storage battery plate : en
  • GB439183A - Improvements in or relating to breathing apparatus for the use of airmen, miners and others : en
  • US2023049A - Universal harrow and cultivator : en
  • US2023145A - Paper hanger's gauge : en
  • CA354513A - Welding rod : en fr
  • DE622645C - Hand wash rammer with bristles in the bell : de en
  • US2023115A - Range control system : en
  • US2023086A - Welding apparatus : en
  • US2023166A - Rectifier : en
  • US2023248A - Removable adjusting cushion : en
  • US2023179A - Thread guide : en
  • US2023351A - Lifesaving suit : en
  • US2022664A - Manufacture of cellulose from lignocellulose materials : en
  • US2022832A - Spinning frame draft roll cleaner : en
  • US2022986A - Stand for electric irons : en
  • US2023245A - Frequency changer : en
  • US2023354A - Method of and apparatus for brazing : en
  • CA354511A - Bright aluminium surface production : en fr
  • AU1906934A - A screen registering device forthe production of signs, showcards orthe like : en
  • FR791334A - Total reflection medical lamp : en fr
  • GB439296A - Improvements in or relating to the manufacture of dyestuffs of the anthraquinone series : en
  • GB439491A - Improvements in the recovery of valuable products from hydrocarbons : en
  • CA354571A - Electric razor : en fr
  • US2023094A - Electric switch : en
  • DE622624C - Cash register : de en
  • DE622735C - Process for the processing of the distillates formed during the coking of pitch : de en
  • SE84979C1 - : sv
  • US2023337A - Resin acid derivatives and process of preparing the same : en
  • US2023021A - Self wringing mop : en
  • CA354523A - Galvanic cell : en fr
  • CA354546A - Locomotive booster motor : en fr
  • US2022725A - Locking device for vehicles : en
  • USPP155P - byrum : en
  • US2023034A - Shock absorber : en
  • US2023065A - Motion picture apparatus : en
  • USD97712S - Design for a flower holder or similar article : en
  • US2023327A - Electric flatiron : en
  • US2022889A - Method of desulphonating diaminodiphenylamine-2-sulphonic acid compounds : en
  • US2022994A - Mechanical stoker : en
  • US2023151A - Container : en
  • US2022943A - Alarm : en
  • USD97675S - Design for a cocktail shaker or : en
  • FR45781E - Method and apparatus for concentrating and pasteurizing fermented wines : en fr
  • GB439213A - Improvements in or relating to rodless slide-valve gear for double-acting piston engines : en
  • US2022723A - Egg turning tray : en
  • US2022797A - Means for spinning metal : en
  • CA354570A - Electric razor : en fr
  • AU2121135A - Method of and apparatus for metal separation : en
  • FR791094A - Application of an alarm signal to the inner tubes of all vehicles : en fr
  • FR791102A - Hydraulic compression device, in particular for motor cars : en fr
  • FR791163A - : fr
  • GB439264A - Improvements in or relating to spectacle frames : en
  • GB439289A - Improvements in or relating to abrasive sheet material : en
  • CA354471A - Shield for neon tubes : en fr
  • FR791042A - Graduated spoon : en fr
  • US2023226A - Rectifier unit for electrolysis control : en
  • GB439306A - Improvements in or relating to corset belts for ladies' wear : en
  • DE622698C - Temperature regulating device for controlling machines, in particular those of furnace systems : de en
  • DE622709C - Device for masking the secondary rays in X-ray exposures : de en
  • GB439240A - Improvements in and relating to aircraft : en
  • US2023281A - Comb : en
  • AU2312235A - Improvements in bobbins : en
  • US2022876A - Razor blade knife : en
  • USD97704S - Similar article for wearing ap- : en
  • US2023292A - Pressure controlled windmill regulator : en
  • US2022804A - Device for applying tire chains : en
  • USD97739S - Design for a tire demonstrator : en
  • CA354489A - Dowel pin : en fr
  • US2023054A - Ski harness : en
  • US2022843A - Hen nest : en
  • US2023228A - Magnetic flux generation and magnetic testing : en
  • US2023043A - Homogenizer : en
  • US2023332A - Transparent partition : en
  • CA354584A - Can opener : en fr
  • US2023068A - Bituminous paving mixture : en
  • US2023190A - Socket for vacuum tubes and the like : en
  • DE622700C - Production of films, threads and molded bodies of all kinds from film-forming plastic materials, in particular cellulose derivatives : de en
  • DE622860C - Two-part roller bearing cage made of synthetic resin or the like. : de en
  • US2023102A - Tag : en
  • FR791305A - Process for making a coating preparation : en fr
  • US2022999A - Draft rigging : en
  • US2023315A - Dough cutting grain converter : en
  • US2022956A - Manufacture of dyestuffs of the anthraquinone series : en
  • US2023164A - Method and apparatus for determining molecular weights of gases or vapors : en
  • US2022899A - Silencer : en
  • US2023079A - Bumper construction : en
  • USD97695S - Design for a cabinet : en
  • FR791099A - Improvements to mechanical razors : en fr
  • FR791195A - Elastic coupling : en fr
  • DE622602C - As a roll cover for paper machines serving felt with a tubular fabric as an insert : de en
  • USRE19773E - Euectrocleanuxg process : en
  • US2022665A - Plastic sound reproduction system : en
  • GB439413A - Improvements in or relating to suction cleaners : en
  • US2022834A - Feeding of textile materials : en
  • US2022879A - Liquid fuel burner : en
  • AU2224335A - Starting and handicapping apparatus for dog racing : en
  • US2022741A - Method of and apparatus for weaving fabric with flat filling strips : en
  • US2023204A - Heat insulation : en
  • US2023267A - Feeding means for gas masks : en
  • GB439379A - Improvements in and relating to hard alloys : en
  • GB439346A - Improvements in or relating to heating and cooking vessels : en
  • FR791066A - Audible warm-up indicator : en fr
  • DE622588C - Control device for aircraft wheel brakes : de en
  • DE622790C - Procedure for connecting capacitors : de en
  • FR791271A - Self-regulating burner for liquid fuels : en fr
  • FR791193A - Perfected percolator : en fr
  • GB439351A - Improvements in or relating to automatic lathes : en
  • GB439442A - Improvements in or relating to continuous absorption refrigerating apparatus : en
  • US2023130A - Card printer : en
  • US2023213A - Aeroplane construction : en
  • DK50985C - Electrode intended to be in Contact with Mercury. : da en
  • GB439425A - An improved fastening for casement windows or doors : en
  • GB439375A - Improvements relating to means or apparatus to be employed in testing or investigating and in maintaining or correcting or remedying and/or developing the power of humanvision : en
  • GB439332A - An improved process of dehydration for plastic earths : en
  • DE622838C - Sliding play : de en
  • US2022694A - Tube : en
  • US2022838A - Artificial thread and process of : en
  • US2023236A - Ship's form : en
  • DE622630C - Automatic tapping machine with fast approach movement and slow working of the tool : de en
  • FR791089A - Pressure device for hydraulic brakes, more especially for motor vehicles : en fr
  • FR45757E - Medium for obtaining illuminated signs or designs : en fr
  • GB439196A - Improvements in chains : en
  • GB439391A - Improvements in method of producing compacted folded stacks of paper tape and the product thereof : en
  • GB439681A - Improvements in or relating to engine control devices, more especially for motor vehicles : en
  • FR791012A - Improvements to cutter bars for mowers and harvesters : en fr
  • GB439294A - Manufacture of dressed textile materials : en
  • GB439283A - Improvements in or relating to electric carrier signalling systems : en
  • GB439321A - Improvements in electric thermal switches : en
  • US2023174A - Furnace construction : en
  • FR791180A - Improvement to compositions containing paraffin : en fr
  • US2022951A - Beverage dispensing device : en
  • GB439372A - The manufacture of azodyestuffs : en
  • US2022880A - Rail anchor : en
  • US2022991A - Alarm transmitting system : en
  • US2023363A - Nongelling lacquer : en
  • US2022872A - Manufacture of pulp : en
  • FR791219A - Improvements to electrical circuits for deflecting cathode ray beams : en fr
  • DK50978C - Lamp with Element, especially for Bicycles. : da en
  • FR791063A - Non-slip lining for wheels, in particular of automobiles : en fr
  • US2022731A - Liquid rectifying method and apparatus : en
  • US2023377A - Switch : en
  • US2022998A - Battery cell : en
  • GB439320A - Improvements in or relating to electric motor controllers : en
  • GB439412A - Improvements in or relating to telescopic drawing board easels : en
  • GB439483A - A supporting and advertising or display device for persons standing in public vehicles : en
  • GB439475A - Improvements in or relating to single-type casting and composing machines : en
  • FR791079A - Glassy material and its manufacturing process : en fr
  • DE622708C - Device for a drying chain for staggering, closing and stacking envelopes provided with sealing flaps : de en
  • FR791307A - Pipe seal : en fr
  • US2022936A - Jewelry : en
  • US2023051A - Automatically controlled electric circuit : en
  • FR791146A - Sealed connection head for lubrication pumps : en fr
  • FR791213A - Improvements to skis : en fr
  • GB439574A - Improvements in or relating to the manufacture of foot-wear : en
  • GB439337A - Improvements in and relating to cigarette collecting mechanism for continuous rod cigarette making machines : en
  • DE622609C - Umfuehrungseinrichtung for rolling mills : de en
  • USD97672S - Design for a goblet or similar : en
  • FR45783E - Device preventing loosening of nuts : en fr
  • FR45768E - Metal formwork for making cement stairs : en fr
  • GB439572A - A new beverage and method of preparing same : en
  • FR791103A - Rail seal for furnaces, in particular for continuously operating furnaces for heat treatment of sheet metal and the like and for furnace rails of heat-resistant material : en fr
  • DE622744C - Process for preventing discoloration, especially reddening, of unsized cellulosic material : de en
  • US2023044A - Core for and method of producing hollow refractories : en
  • US2023159A - Photographic apparatus : en
  • FR791144A - Box structure with working coating, more particularly applicable to the construction of aircraft wings : en fr
  • FR791177A - Process for impregnating wood : en fr
  • FR791229A - Self-powered refrigeration machine : en fr
  • GB439195A - Manufacture of substituted aldols : en
  • FR791081A - Electrically operated washing machine : en fr
  • GB439357A - Improvements relating to vertically-hinged window sashes, also applicable to fanlights : en
  • FR791151A - Filtration apparatus : en fr
  • FR791257A - Oil dewaxing process : en fr
  • DE622751C - Plate leveler : de en
  • DE622615C - Transmission method for directing the fog landing of aircraft : de en
  • DE622779C - Photo chamber with protective pane : de en
  • GB439181A - Improvements in or relating to the treatment of fabrics : en
  • FR791113A - Improvements to dispensing containers for pasty materials : en fr
  • CA354515A - Ethylene oxide production : en fr
  • CA354558A - Outboard motor mounting : en fr
  • DE622837C - Arrangement at electric induction ovens without a closed ferromagnetic circuit : de en
  • DE622473C - Method and device for purifying zinc by distillation and reflux condensation : de en
  • FR791198A - Powerline transmission system : en fr
  • GB439374A - Improvements in or relating to liquid flushing apparatus : en
  • US2023076A - Automobile bumper : en
  • US2022988A - Oscillation generator : en
  • US2022813A - Process for manufacture of ammonium sulphate : en
  • CA354536A - Heat regulator for stove ovens : en fr
  • CA354556A - Hand operated postal machine : en fr
  • DE622652C - Cover to prevent the oxidation of blocks : de en
  • DE622795C - Artificial casing made from parchment paper : de en
  • US2022947A - Internal brake for automobiles : en
  • US2022907A - Thermostatic switch : en
  • US2022965A - Page end indicator : en
  • DE622618C - Induction furnace without an iron core with a screen made of non-magnetizable, well-conductive metal : de en
  • GB439474A - Improvements in or relating to compound regenerative coking ovens : en
  • US2023220A - Holder or package for belt lacer hooks : en
  • DE622879C - Device to prevent crooked crane browbones : de en
  • FR791330A - Improvements to vertical retorts for the continuous distillation of carbonaceous materials : en fr
  • GB439436A - Improvements relating to mercerising liquors : en
  • DE622680C - Clamping device attached to an insulating base for connecting branch lines to continuous main lines with clamping plates and several clamping screws : de en
  • US2022970A - Apparatus for manufacturing vinegar : en
  • US2022788A - Telephone communicating system : en
  • DE622637C - Process for the production of glaze-like coatings on building bodies : de en
  • FR791246A - Hair activity products : en fr
  • GB439389A - Improvements in and relating to electric battery lamps : en
  • US2023091A - Roller bearing assembly : en
  • FI16826A - Device in rubber-based footwear : en fi
  • GB439738A - Improvements in or relating to mechanism for feeding and cutting a bar of plastic-toffee or like material : en
  • DE622770C - Device for controlling the work processes in machine tools, in particular grinding machines : de en
  • DE622785C - Drum magnetic separator : de en
  • DE622808C - Flat weft knitting machine with a press consisting of sheets guided between the sinkers : de en
  • FR791328A - Improvements to thermo-ionic lamp circuits : en fr
  • CA354486A - Chisel sharpener : en fr
  • GB439481A - Improvements in and relating to dynamo electric machines : en
  • DE622701C - Volume reducer : de en
  • DE622408C - Winding machine for the production of electrical coils : de en
  • US2022748A - Vat dyestuff printing paste : en
  • US2023306A - Tire valve retainer : en
  • GB439275A - Improvements in or relating to the treatment of rubber : en
  • GB439571A - Improvements in electric cooking stoves : en
  • FR791088A - Improvements to molds for typographic lines or bars casting machines : en fr
  • US2022674A - Composition of matter containing urea and nitrates, process for its preparation and use : en
  • US2023110A - Motor fuel distillate : en
  • US2023195A - Combination quad and printer's plate registering hook : en
  • US2023321A - Static removing apparatus : en
  • USD97692S - Design fob a cabinet fob phono : en
  • FR791105A - Injection device for diesel engines with pre-injection and main injection : en fr
  • GB439373A - Improved means for connecting a tractor to a binder or other implement : en
  • DE622607C - Slotting machine : de en
  • USD97678S - Design for a shoe : en
  • US2022831A - Identification branding machine : en
  • US2023249A - Covered joint hinge : en
  • USD97703S - Similar article for wearing ap- : en
  • DE622591C - Pair of swimming fins for increasing the propulsion through the arms of a swimmer : de en
  • US2023016A - Jacquard loom and carpet fabric produced thereby : en
  • US2023358A - Musical instrument : en
  • FR791308A - Mode of propulsion of motor vehicles, in particular multi-wheeled or tracked vehicles : en fr
  • US2022925A - Clasp : en
  • US2023059A - Metal strap joint and method of making the same : en
  • US2022757A - Adjustable means and operating assembly for road working machines : en
  • US2023206A - Shaft seal construction : en
  • US2023381A - Centrifugal molding of concrete bodies : en
  • US2023289A - Aseptic pack : en
  • GB439282A - Improvements in or relating to apparatus for use in the grading or selection of leather and other sheet materials or substances according to thickness : en
  • FR45756E - Relief projection : en fr
  • FR791061A - Pulley or advanced sheave : en fr
  • US2023380A - Goodyear welt : en
  • GB439350A - Improvements in means for supplying air to furnaces : en
  • US2022814A - Centrifugal bowl for separating heavy sludge and solids from lighter liquids : en
  • US2022945A - Keyless combination lock : en
  • US2022732A - Coupler and yoke connection : en
  • CA354524A - Flexible abutment : en fr
  • CA354502A - Electric welder : en fr
  • GB439189A - Improvements in and relating to lanterns for electric and other lamps : en
  • GB439203A - Improvements in the treatment of artificial filaments, yarns, ribbons and similar materials : en
  • US2023322A - Timepiece : en
  • FR45760E - Improvements to risers : en fr
  • US2022803A - Process for cracking oil : en
  • US2023338A - Sealing device and assembly for rotating shafts : en
  • DE622796C - Safety tap, especially for gas pipes : de en
  • FR45786E - Improvements to autopilot devices : en fr
  • CA354542A - Colour photography : en fr
  • DE622839C - Process for producing ceramic masses : de en
  • FR791060A - Improvements to fishing panels : en fr
  • DE622627C - Testing device for interrupters of internal combustion engines : de en
  • US2023087A - Production of butyl alcohol by fermentation : en
  • AU1903234A - Improvements in and relating to rotary air or gas compressors vacuum or liquid pumps orthe like : en
  • US2022779A - Seed harvesting machine : en
  • US2022800A - Treating waste acid : en
  • US2023098A - Handle : en
  • USD97744S - Design fob a burial vault : en
  • US2022890A - Maggot extract and process of obtaining it : en
  • USD97697S - Design for an automobile : en
  • DE622716C - Folding box with hinged lid with tuck-in flap and two fields hinged to this, through which the tuck-in flap and the lid are doubled : de en
  • FR45755E - Process for gluing the assemblies constituting the wooden mosaic floors and produced by allowing the realization : en fr
  • CA354498A - Liquid cooling apparatus : en fr
  • DE622827C - Device for rolling up and unrolling an endless movie : de en
  • DE622864C - Method for removing moist paper sheets or the like from a sieve and for drying the sheets : de en
  • DE623423C - HEATING SYSTEM CONNECTED TO A STEAM NETWORK WITH SEVERAL WEAR ONE CONNECTION : de en
  • FR791015A - Magnetic alloy with high initial permeability : en fr
  • CA354503A - Minnow hook : en fr
  • DE622610C - Production of phosphorus or phosphoric acid from rock phosphates : de en
  • GB439355A - Process for the production of plastic materials : en
  • DE622746C - Process for the production of reinforced concrete bodies with straight reinforcement bars offset under prestress : de en
  • FR791080A - Improvements to greenhouse constructions : en fr
  • USD97706S - Similar article for wearing ap- : en
  • FR791343A - Full flow or adjustable flow quick open and close valve : en fr
  • FR791050A - Medical instrument, especially for dental surgery : en fr
  • FR791211A - Arc welding method and device : en fr
  • DE622878C - Winding arrangement for high voltage transformers : de en
  • GB439290A - Improvements in or relating to tuft-yarn spool and tube carrier frames for use in looms for weaving axminster carpets and like tufted pile fabrics : en
  • GB439281A - Improvements in and relating to hearths for domestic fires : en
  • DK50988C - Fire pipes with detonator protection. : da en
  • FR791290A - New pyrene derivatives and process for their production : en fr
  • DE622781C - Device for closing fireproof doors with two door leaves : de en
  • FR45751E - Crusher for coals and cokes, with automatic disengagement : en fr
  • FR791132A - Method and device for the static separation of solid products of different densities : en fr
  • GB439469A - Improvements in and relating to automobile body construction : en
  • GB439490A - Improvements in manually propelled contrivances for operation on water : en
  • FR791295A - Improvements at t receiving stations. s. f. : en fr
  • GB439414A - Improvements in or relating to cathode-ray tubes : en
  • IE14267L - Weft-carriers for weaving looms : en
  • US2023010A - Electrical counting system : en
  • FR791278A - Hydrocarbon treatment process : en fr
  • GB439400A - An improved wardrobe suitcase : en
  • CA354566A - Fractional distillation apparatus : en fr
  • FI16827A - The refining conditions for the production of cement : en fi
  • GB439359A - Manufacture of carbocyanine dyestuffs : en
  • GB439250A - Purification of hydrocarbon oils : en
  • GB439384A - Improvements in and relating to copper alloys and to methods of heat-treating the same : en
  • FR791190A - Further training in servo-clutches for motor vehicles : en fr
  • DE622867C - Device for the machine development of cinematographic films or the like. : de en
  • DE622848C - Suction gas generator for making city tags from younger fuels : de en
  • GB439456A - Improvements in wet starch systems : en
  • US2022830A - Fluid-cooled wall structure : en
  • FR791091A - Method of muffling sounds and application of this method to the constitution of silencers : en fr
  • FR791119A - Process for the preparation of nitriles of the anthraquinone series, as well as their hydrolysis and cleavage products, and products thereof : en fr
  • FR791062A - removable protective screen in all directions for spectacles and the like : en fr
  • GB439236A - Light modulating device : en
  • GB439471A - Improvements in screw propellers : en
  • FR791335A - Fired dental filling block and method of making it : en fr
  • US2023120A - Cake pan : en
  • US2022851A - Crinkling apparatus : en
  • US2023073A - Water feeder : en
  • US2023251A - Rubber material : en
  • FR791139A - Central weft breaker for loom : en fr
  • FR791281A - Manufacturing process of tanned hides and skins by combined tanning : en fr
  • GB439304A - Improvements in or relating to wallboard joints : en
  • GB439493A - Improvements in or relating to cleansing and like agents : en
  • CA354519A - Non-ferrous metal : en fr
  • US2022881A - Loading mechanism : en
  • USD97665S - Design for a shoe : en
  • US2022653A - Fuel feeding means for internal combustion engines : en
  • US2022989A - Stopper : en
  • US2023045A - Ticket feeding and printing : en
  • USD97748S - Design for a bottle : en
  • USPP157P - catron : en
  • US2022727A - Cork insulation : en
  • US2023067A - Moving stairway : en
  • US2023181A - Method of dewaxing hydrocarbon oils : en
  • DE622667C - Hydraulic drive device, especially for brakes and. like : de en
  • DE622759C - Method for modulating transmitters : de en
  • DE622809C - Process for the production of spun-dyed rayon from cellulose hydrate : de en
  • GB439182A - Improvements in or relating to self-filling fountain pens : en
  • GB439492A - Improvements in or relating to cathode ray apparatus : en
  • CA354528A - Glass furnace : en fr
  • US2023309A - Viscosimeter : en
  • DE622619C - Injection syringe : de en
  • DE622854C - Vacuum cleaner nozzle with a rim on all sides and ribs on the inside : de en
  • US2022706A - Lubricating device : en
  • US2022837A - Cinch rigging ring : en
  • DE622843C - Blow stowing machine with a cell drum for feeding in the stowed goods : de en
  • US2022751A - Girdle : en
  • US2023171A - Reel : en
  • DE622769C - Polishing device : de en
  • US2022942A - Method of sweetening hydrocarbon oils : en
  • US2022827A - Samuel ruben : en
  • US2022848A - Window operating mechanism : en
  • US2023192A - Electrolytically formed tank : en
  • US2022720A - Railway traffic controlling apparatus : en
  • CA354560A - Electric furnace : en fr
  • USD97702S - Emmey : en
  • FR791093A - Adjustable valve, self-closing, capable of delimiting a determined quantity of fluid : en fr
  • US2022728A - Steam generator of the water tube type : en
  • US2022823A - Calculating machine : en
  • US2022820A - Drum : en
  • US2023316A - Sack sewing machine : en
  • US2023344A - Point and switch : en
  • US2022697A - Eyelash curler : en
  • US2023383A - Production of alcohols : en
  • US2022650A - Hydrogen peroxide process : en
  • US2022662A - Heating device : en
  • US2023278A - Method of purifying sand : en
  • CA354583A - Aircraft : en fr
  • CA354563A - Television system : en fr
  • US2022903A - Household cabinet for motion picture projection : en
  • US2022944A - Coin inserting mechanism for coin controlled vending apparatus : en
  • USD97677S - Design fob a sandal : en
  • US2022702A - Typewriting machine : en
  • US2022776A - Lasting machine : en
  • DE622855C - Process for the production of corner stiffening parts of iron constructions that are welded together at an angle : de en
  • GB439424A - Improvements in or relating to apparatus for raising plants from seed without soil : en
  • DE622777C - Peeling machine for grain : de en
  • DE622677C - Device for optical scanning of reflecting surfaces : de en
  • US2023144A - Foundation bag and cover therefor : en
  • US2023154A - Cabinet : en
  • US2023260A - Display case : en
  • AU2026434A - Improvements in or relating to navigation aiding radio systems : en
  • US2022689A - Automatic reduction gear : en
  • DE622784C - Shooting toy with electrical release of the ignition plate : de en
  • US2023329A - Setting head for machines for the grinding of worms : en
  • FR791110A - Drum brake improvements : en fr
  • FR791169A - Swivel swing on vertical axis and horizontal axis : en fr
  • US2022972A - Variable gain amplifier : en
  • FR791269A - High pressure pump or rotary type motor : en fr
  • GB439444A - Electrostatic flying toy : en
  • DE622722C - Classifying grate : de en
  • FR791285A - Device applicable to thread knotting machines for forming lathe threads : en fr
  • GB439358A - Improved method and apparatus for the construction of inspection, intercepting and similar chambers for drainage systems : en
  • GB439461A - Improvements in and relating to electric welding systems : en
  • DE622826C - Double cassette for cinematographic apparatus : de en
  • DE622882C - Tura drive for the bucket chain of heavy bucket chain excavators : de en
  • US2022884A - Preparation of vat dyestuffs of the dibenzanthrone series : en
  • US2023261A - Knitting machine : en
  • US2023085A - Welding method : en
  • DE622786C - Flexible pit lining made of profile iron : de en
  • US2023082A - Adjustable cylinder hone : en
  • CA354568A - Offsetting eliminating method : en fr
  • US2022939A - Take-out for glassware making machines : en
  • US2023246A - Bichromatic device for ocular refraction : en
  • AU2129635A - Process of preparing homogeneous solutions of cellulose in sulphuric andother acids or mixtures of acids, andthe preparation of artificial threads, films, ribbons and suchlike artificial products therefrom : en
  • DE622691C - Device for forming a continuous path of partially overlapping sheets : de en
  • US2022853A - Doorlock : en
  • USD97696S - Design fob a garment hanger : en
  • US2023109A - Extraction process : en
  • US2022805A - Radio receiver : en
  • USD97658S - Design fob a coffee urn or similar : en
  • FR791065A - Automatic control device for machines such as shoelaces : en fr
  • FR791317A - Syringe for hypopermic injections : en fr
  • GB439205A - Improvements in or relating to modulated carrier wave transmitters : en
  • US2023223A - Compensating superheater : en
  • US2022672A - Composition of matter and its use in the production of fertilizers : en
  • US2022711A - Barrel agitator and handle : en
  • US2023216A - Variable delivery pump or motor : en
  • USD97701S - Charles emmet : en
  • US2023234A - Collapsible chair : en
  • USD97732S - Design for a textile fabric : en
  • US2023242A - Shipping and display container : en
  • FR45773E - Device for adjusting the number of revolutions in internal combustion engines with injection : en fr
  • US2022978A - Objectives for taking, printing, and projecting lenticular films : en
  • US2023148A - Hydraulic apparatus : en
  • US2023018A - Speed control mechanism : en
  • US2023128A - Roller skate : en
  • US2023288A - Jaw-brace : en
  • US2023022A - Watch and other time instrument : en
  • USD97737S - Design for a corner ornament for : en
  • DE622649C - Process for the preparation of hydrocarbons : de en
  • GB439301A - Improvements in and relating to piston engines with self-lubricating packing rings : en
  • US2022663A - Speed transmission : en
  • US2023013A - Method of and apparatus for treating textile and other materials : en
  • US2023372A - Motor fuel : en
  • US2022773A - Blank-making machine : en
  • US2023221A - Transmitting measurements to a remote point : en
  • USD97683S - Design for a display stand : en
  • US2023276A - Gas shut-off for hot water systems : en
  • CA354514A - Cable end fitting : en fr
  • GB439570A - The manufacture of new vat dyestuffs : en
  • CA354493A - Well casing head : en fr
  • DE622787C - The use of a silicon-manganese-chromium-copper-aluminum steel : de en
  • US2022709A - Thermostatic control apparatus for vehicle fans : en
  • US2023244A - Balance indicator : en
  • CA354506A - Gasoline production : en fr
  • US2022719A - Snuffer for oil lamps and lanterns : en
  • US2023015A - Front drive snowmobile : en
  • US2023371A - Knitted fabric : en
  • DE622632C - Spool holder for roll film cameras : de en
  • CA354492A - Building insulation : en fr
  • CA354578A - Roving controller : en fr
  • US2022910A - Golf training device : en
  • US2023014A - Preparation of soluble lactalbumin : en
  • US2022916A - Vehicle construction : en
  • USD97719S - Design for trousers : en
  • USD97742S - Design for a buckle : en
  • US2023299A - Necktie holder : en
  • DE622739C - Process for the production of artificial masses : de en
  • DK50981C - Air cushion or pneumatic Upholstery containing two or more Separation of Separate Air Passage Separate Departments. : da en
  • DK50990C - Device at Grinder with rotating Column and self-adjusting Column. : da en
  • CA354475A - Condensate recovery apparatus : en fr
  • US2023284A - Refrigerating apparatus : en
  • US2022729A - Stable colloidal solution of iodine : en
  • US2023314A - Swimming appliance : en
  • US2022759A - Abrading tool : en
  • DE622713C - Bicycle for transporting long items : de en
  • GB439486A - Improvements in and relating to the control of internal combustion power plants : en
  • FR791046A - Apparatus for treating objects with tinctures or other liquids : en fr
  • FR791337A - : fr
  • DE622772C - Lens changer : de en
  • CA354520A - Universal joint : en fr
  • DE622763C - Device for uninterrupted processing of fuels and ores in several separate, externally heated chambers : de en
  • US2023063A - Process of cracking petroleum hydrocarbons : en
  • USD97738S - Design for a sandal : en
  • FR791022A - Welding process and welding machine : en fr
  • US2023212A - Apparatus for casting hollow articles : en
  • US2022713A - Beam counterbalance : en
  • US2022868A - Pressure cooker : en
  • US2022846A - Safety gas and fuel valve : en
  • US2023023A - Building block : en
  • DE622662C - Hygroscope : de en
  • US2023007A - Adjustable support for cleaners : en
  • US2022840A - Inking mechanism for multicolor printing presses : en
  • US2023038A - Shoe stretcher : en
  • US2023135A - Vehicle suspension : en
  • DE622768C - Automatic controller for heating systems : de en
  • US2023334A - Aeroplane : en
  • US2023318A - Continuous pair furnace : en
  • CA354527A - Thermostatic control system : en fr
  • USD97740S - Design fob a radio dial window : en
  • USRE19780E - Hydraulic press : en
  • US2022921A - Amino azo compound : en
  • US2023279A - Forehead shield for beauty work : en
  • US2022677A - Urea composition and method of making and using : en
  • US2022754A - Sewing machine : en
  • US2023311A - Minnow trap : en
  • DE622654C - Lightning rod : de en
  • US2022905A - Thermostatic piston : en
  • US2023178A - Vacuum breaker : en
  • CA354495A - Anti-glare headlight : en fr
  • CA354559A - Outboard motor : en fr
  • USD97751S - Design for a heel : en
  • DE622756C - Process for the removal of gases stored in a storage container in a liquefied state : de en
  • DK50964C - Paper packaging for Bread or other bread-shaped Baking products. : da en
  • FR791299A - Antomatic sander for millinery bells : en fr
  • GB439441A - Improvements in or relating to holders for paper doyleys and like articles : en
  • US2023161A - Method of heating fluids : en
  • DE622842C - Equipment for driving the piles for the tunnel construction : de en
  • US2022712A - Clothes drier : en
  • USD97674S - Design for a goblet ob similar : en
  • USD97746S - Design for a lace : en
  • US2022688A - Cutting and collecting mechanism for printing machines : en
  • US2023108A - Boiler cleaner : en
  • FR45789E - Electric circuit breaker with liquid injection cut-off pot : en fr
  • FR45779E - Bead : en fr
  • GB439279A - Manufacture of vat-dyestuffs : en
  • FR791056A - Method and device for the mechanical manufacture of window glass : en fr
  • CA354541A - Regulator spring device : en fr
  • DK50971C - Preserving salt. : da en
  • US2022971A - Coin collector apparatus : en
  • US2023255A - Electric valve operated motor : en
  • FR791083A - Carburetor improvements : en fr
  • CA354538A - Valve stem : en fr
  • FR791275A - Adjustment of refrigeration machines : en fr
  • CA354491A - Bucket : en fr
  • US2023125A - Face cream : en
  • US2023266A - Protected shafting : en
  • GB439404A - Process for the production of anti-corrosive oxide films on aluminium and its alloys : en
  • FR45796E - Typewriter : en fr
  • USD97693S - Design fob a glass dish : en
  • FR791034A - Hot air sterilization method and apparatus : en fr
  • FR791347A - Spiral control device for converting one rotary movement into another : en fr
  • DE622590C - Control of projectiles for mechanical centrifugal weapons equipped with a centrifugal rotor : de en
  • FR791115A - Method and device for bottling liquids or other materials, protected from air : en fr
  • GB439362A - Web tensioning mechanism for printing and other machines : en
  • GB439457A - Improvements in or relating to electrical amplifiers and other control arrangements and devices : en
  • GB440176A - Improvements in or relating to controlling devices for auxiliary steam engines : en
  • GB439680A - Improvements in the manufacture and production of azo dyestuffs : en
  • DE622891C - Switch arrangement : de en
  • GB439445A - Improvements in or relating to methods of gluing veneers and cross-ply sheets of wood : en
  • FR791021A - Manufacturing process of pure alumina and raw potassium sulphate starting from alunite : en fr
  • FR791241A - Slabs particularly suitable for paving bridges and the like : en fr
  • DE622740C - Record with a metallic core : de en
  • FR791116A - Capping device for bottles and other containers : en fr
  • DE622832C - Echosounder for large differences in depth : de en
  • FR791073A - Process and device for the separation or recovery of materials contained in gases, vapors or mists : en fr
  • FR791266A - Dial of t. s. f. giving the illuminated marker alone the desired station : en fr
  • GB439430A - Process for the treatment of hydrocarbon oils : en
  • FR791004A - Selective calling device for powerline communications : en fr
  • FR791182A - Process for water improvement : en fr
  • FR791313A - Safety device intended for mechanisms slaved to an automatic control : en fr
  • GB439234A - Improvements in and relating to electric discharge devices : en
  • GB439804A - Improvements in the heat treatment of aluminium alloys : en
  • GB439360A - Method of and apparatus for preparing pulp stock for delivery to a paper-making machine : en
  • DE622815C - Process for increasing the resistance of boilers or pipelines, in particular of dental vulcanizing kettles : de en
  • FR791346A - Armchair for theaters or other similar uses : en fr
  • GB439247A - Improvements in or relating to cakes and cake stands : en
  • FR791069A - Process for preparing coloring compositions : en fr
  • FR45791E - Improvements to multiple dispensing devices for drinks and other liquids : en fr
  • DE622660C - Lowering device for Saerge : de en
  • DE622822C - Tapping device for machine tools with feed of the tool by a hand lever and an interchangeable coupling influenced by this : de en
  • FR791013A - Improvements to typographic bar casting machines : en fr
  • US2022690A - Rope : en
  • FR45819E - : fr
  • GB439343A - Improvements in or relating to waterproofed fabric gloves : en
  • FR791263A - Removable and adjustable steering knuckle chairs, eliminating the need for axles in all vehicles : en fr
  • US2022822A - Pilot wrench : en
  • US2023084A - Regulating system : en
  • CY47A - Improvements in or relating to the pulverizing of minerals and similar materials : en
  • DE622834C - Pendulum suspended countersink for abrasion-sensitive goods : de en
  • DE622661C - Device for checking and selecting colors for fingernails : de en
  • FR791039A - Gas turbine : en fr
  • FR791254A - Method and apparatus for compensating for variations in light in optical systems for recording, reproducing, etc., sound : en fr
  • DE622592C - Match ball for football, basketball, handball u. like games : de en
  • FR45758E - Automobile front end anti-shimmy suspension : en fr
  • FR791112A - Ball joint device allowing movement to be transmitted in all directions : en fr
  • US2022793A - Pocket display device : en
  • US2023320A - Roller shade attachment : en
  • CA354478A - Feeding bottle : en fr
  • FR791055A - Process for preparing tea not containing theine : en fr
  • FR791120A - Improvements to amplifier systems : en fr
  • US2023027A - mitchell : en
  • US2022887A - Colored rubber and method of producing the same : en
  • US2023157A - Plug-in coil mounting : en
  • US2023290A - Electrical transmission bank : en
  • GB439292A - Improvements in or relating to knot-tying devices : en
  • GB439365A - Improvements in aircraft : en
  • US2023193A - Door construction : en
  • US2023257A - Apparatus for use in the fire control of antiaircraft guns : en
  • DE622869C - Car spinner with an epicyclic reversing gear and a device for stepless regulation of the spindle speed : de en
  • FR791214A - Improvements to suspension springs for baby carriages and the like : en fr
  • US2023268A - Method of making a strip of rubber material : en
  • CA354585A - Refrigerating apparatus : en fr
  • US2023241A - Oil separator for refrigerating systems : en
  • CA354539A - Welding and cutting apparatus : en fr
  • US2023333A - Method of making caffein-free coffee : en
  • DE622614C - Arrangement for radio transmission by means of ultra-short waves : de en
  • DE622736C - Safety device for pressure acetylene bottles : de en
  • DE622726C - Process for the complete or almost complete recovery of the compression work in the production of nitric acid under pressure : de en
  • GB439231A - Internal combustion engine combined with a part adapted to work eventually as a compressor in a single machine : en
  • GB439434A - Improvements relating to television or like apparatus : en
  • GB439473A - Improvements in or relating to joints for high tension electric cables : en
  • US2023047A - Tubular extruded shape : en
  • US2022722A - Train-line relief valve : en
  • USRE19779E - Sorel-cement product and method : en
  • US2022967A - Shoe and method of making the same : en
  • FR791096A - Acetylene generator device : en fr
  • FR791222A - Assembly intended to keep electric voltages constant by means of non-ohmic resistance conductors : en fr
  • US2023208A - Cylinder lock : en
  • US2022747A - Incandescent lamp : en
  • US2022802A - Safety driving arm for automobiles : en
  • US2022892A - Spring seat construction : en
  • USD97663S - Design for a coffee percolator or : en
  • GB439410A - Improvements in collapsible seats or chairs : en
  • AU2029834A - Improvements in process and apparatus for the storage of perishable substances : en
  • FR791008A - Single-phase collector shunt motor : en fr
  • FR791179A - Improvements to paraffin capsules : en fr
  • GB440173A - Improvements in and relating to shaft distributors for looms : en
  • GB439245A - Improvements in the manufacture of highly acetylated cellulose : en
  • IE13505L - Match packages : en
  • DE622788C - Device for controlling the closing of switches : de en
  • FR45782E - Device for pneumatic control of fixed or mobile equipment, for example vehicles : en fr
  • GB440175A - Improvements in or relating to lubricating oils and the like : en
  • FR791196A - Manufacturing process for ankle boots and shoes and resulting industrial products : en fr
  • DE622812C - Device for cutting potatoes, fruits or the like into strips : de en
  • DE622830C - Device for porking luffing booms, especially for ships : de en
  • GB439432A - Improvements in, or relating to, electric fuses or fusible cut-outs : en
  • GB439220A - Improvements in tilting seats for cinema halls and the like : en
  • GB439399A - Machine for shelling rice and other hard kernelled grains, seeds and beans : en
  • GR5544B - LAMP HEATING SYSTEM FOR LABORATORIES ETC. WITH AUTOMATIC FLAME REDUCTION SYSTEM WHEN THE OBJECT TO HEAT IS REMOVED. : el en
  • DE622586C - Stitch forming device for sewing machines : de en
  • FR45825E - : fr
  • FR45761E - Process for the hydrogenation of distillable carbonaceous materials : en fr
  • FR791145A - Dentures enhancements : en fr
  • DE622747C - Conveyor system for hanging loads with drag chain at the rising points : de en
  • FR791085A - Napkin paper and similar applications : en fr
  • FR791136A - Method, apparatus and installation for the preparation of plaster : en fr
  • GB439218A - Improvements in or relating to spraying apparatus : en
  • GB439284A - Method of and means for preventing the accumulation of ice on aircraft : en
  • GB439336A - Improvements in and relating to boots or shoes : en
  • US2022782A - Process for condensing vapors from gas mixtures : en
  • FR791282A - Voltage relay, particularly applicable to the control of voltage regulating devices : en fr
  • GB439222A - A device for supporting a hank of wool or other yarn during unwinding : en
  • GB439309A - Improvements in or relating to ventilating systems for vehicles : en
  • GB439217A - Improvements in and relating to electric transformers : en
  • GB439303A - Improvements connected with garden shears : en
  • GB439363A - An appliance for compensating automatic circuit breakers for temperature variations : en
  • GB439308A - Improvements in and relating to the grips, handles or shafts of percussion or swinging implements : en
  • GB439423A - Improvements in or relating to internal combustion engines : en
  • DK50961C - Procedure for Conversion of Starchy Natural Products. : da en
  • DE622664C - Printing device, especially for tabulating machines : de en
  • US2022661A - Apparatus for effecting clarification of liquids : en
  • US2022736A - Reed for musical instruments : en
  • US2022922A - Hair net : en
  • AU2033134A - Improvements inthe tempering of plateglass andother glass sheets : en
  • GB439443A - Improvements in or relating to absorption refrigerating apparatus : en
  • US2023199A - Process for the treatment of liquids with ammonia : en
  • GB439805A - Improvements in jet propulsion apparatus for aircraft, projectiles and turbine apparatus : en
  • US2022842A - Meat-treating appliance : en
  • US2022973A - Rosin drying oil and process of producing the same : en
  • US2022644A - Rectifier : en
  • CA354507A - Seed sower : en fr
  • USD97682S - Design foe a shoe : en
  • US2022825A - Drawing board clamp : en
  • US2022894A - High molecular alcohols and unsat urated hydrocarbons : en
  • DE622803C - Mechanical signal box : de en
  • DE622638C - Procedure for replacing the shooters in double fire chairs and double fire chairs for carrying out the procedure : de en
  • FR45770E - Testing apparatus for motor vehicle drivers : en fr
  • US2023113A - Range control system : en
  • US2023001A - Concrete : en
  • US2023250A - Pump : en
  • US2022959A - Seat ventilating and cooling device for automobiles : en
  • US2023062A - Wall finishing material : en
  • CA354535A - Container closure : en fr
  • US2022969A - Electrical wave production : en
  • US2023074A - Method of burning oil : en
  • FR791293A - Centrifugal governor for controlling a brake control device in high-speed vehicles : en fr
  • GB439420A - Improvements relating to gas taps : en
  • US2023046A - Car body structure : en
  • US2022844A - Indicator : en
  • US2022963A - Compact and the like : en
  • US2023167A - Bulb cleaner : en
  • CA354544A - Wheel aligning equipment : en fr
  • CA354504A - Speed changing device : en fr
  • USRE19777E - Sirup valve for bottle fillers : en
  • US2022863A - Arcing guard : en
  • USD97720S - Design for a bottle : en
  • USRE19783E - Compressor : en
  • US2023222A - Ringing circuit for radio : en
  • US2023004A - Electrical wiring system : en
  • US2023283A - Electric fixture : en
  • US2023215A - Operating means for washing machines, driers, and the like : en
  • GB439255A - Improvements in apparatus for degassing liquids : en
  • FR791296A - Process for the separation of fluorine and aluminum in solutions obtained by treating crude phosphate with acids : en fr
  • US2022701A - Controller hitch for soil-working implements : en
  • US2022983A - Control circuit : en
  • US2022680A - Humidifier : en
  • US2022953A - Vulcanization of rubber : en
  • DE622807C - Multi-pole electrical machine with small expansion in one direction : de en
  • US2022740A - Air conditioning device : en
  • US2023050A - Cultivator attachment : en
  • US2023131A - Steel shaft for golf clubs : en
  • US2023342A - Accordion : en
  • DE622731C - Device for the production of sponge iron by reducing iron ores : de en
  • FR791153A - Improvements to devices used for the application of therapy by touching the great sympathetic : en fr
  • FR791107A - Vehicle with automatic unloading for all applications but can be used in particular for loading sandblasting or gravel spreaders in operation : en fr
  • US2023180A - Gyrating sifter drive : en
  • US2022862A - Electric motor controller : en
  • USD97713S - Design fob an airplane : en
  • DE622771C - Relief device for bridge scales : de en
  • DE622655C - High-voltage switchgear with a double busbar system : de en
  • GB439230A - Method and means for securing the adhesion of driving belts on pulleys : en
  • FR791274A - Device for controlling ionic valves by means of grids : en fr
  • CA354483A - Tire : en fr
  • CA354530A - Liquid flow controlling means : en fr
  • US2023390A - Shirt and collar : en
  • US2023036A - Lint collecting apparatus : en
  • US2023105A - Autocopter aircraft : en
  • US2023275A - Method and means for surfacing glass : en
  • US2022684A - Advertising sign : en
  • FR791199A - Advanced enclosure for air-cooled aircraft mounted engines : en fr
  • FR791327A - Process for separating mixtures of substances of high molecular weight, for example hydrocarbon oils : en fr
  • DE622870C - Device for automatic row-wise stacking of mass-produced parts in holders : de en
  • US2022737A - Ring expander : en
  • US2022997A - Aryl mercuric heterocyclic carboxylates : en
  • US2023137A - Locking mechanism : en
  • US2023146A - Electric switch : en
  • US2022648A - Tool for extracting tierods from cast concrete : en
  • GB439258A - Improvements in apparatus for the manufacture of the grooved rolls as used in pilger-rolling mills : en
  • US2023298A - Manual zero-setting mechanism fob : en
  • FR791242A - Refractory building materials, and in particular mortar : en fr
  • DE622673C - Press pads for footwear glue presses : de en
  • FR791176A - Improvements to folding cardboard boxes, and the like : en fr
  • FR791156A - Improvement in composite safety glass : en fr
  • GR5548B - CENTROFYX PUMP. : el en
  • US2023287A - Separator : en
  • US2022752A - Unbuttoning device : en
  • US2023294A - Paper carriage drive : en
  • GB439299A - Improvements in means for prevention of erosion or pitting in hydraulic pipes : en
  • USD97667S - Design fob a sandal : en
  • FR791322A - Freewheel hub and brake fitted with a brake locking device : en fr
  • GB439298A - Improvements in helicopter flying machines : en
  • CA354532A - Creel : en fr
  • US2023037A - Split peach pitter : en
  • FR791314A - Tube cutting device : en fr
  • FR791323A - Cement preparation process : en fr
  • FR791007A - Clothing : en fr
  • FR791095A - Soot sweeping device for steam generator : en fr
  • FR791162A - Universal automatic folding cart : en fr
  • GB439390A - Improvements in or relating to the polymerisation of acrylic acid esters : en
  • FR791047A - Advanced adjustment device for binders : en fr
  • FR791159A - Manufacturing process for uric acid dissolving products : en fr
  • GR5542B - SHEET SHARPENER. : el en
  • DE622697C - Process for refining, preferably inferior, fats : de en
  • DE622868C - Device for the subsequent attachment of two cylinder locks on both sides of an ordinary mortise lock : de en
  • DE622877C - Switch with compressed gas cooled contacts : de en
  • DE622866C - Process for the production of photosensitive layers for photographic purposes : de en
  • GB439166A - Improvements relating to electric regulating systems : en
  • GB439198A - An improved manufacture of portland cement and the like : en
  • USPP156P - byrum : en
  • GB439370A - Improvements in the manufacture of boxes : en
  • US2022826A - Electric control apparatus for fuel burners : en
  • US2023387A - Wetting agent : en
  • US2022646A - Grinding wheel feeding mechanism : en
  • FR791130A - Local tracking system for air and sea navigation : en fr
  • GB439251A - Process for the separation of electrically charged substances from very diluted trueor colloidal solutions : en
  • US2022784A - Concrete floor construction : en
  • US2023373A - Dispensing apparatus : en
  • GB439446A - Automatic successive reproducing phonograph : en
  • FR791215A - Method for the use of gas discharge vessels, in particular mercury vapor rectifiers, as well as other current rectifiers : en fr
  • FR791336A - Porcelain bridge with support frame for dental prosthesis and its manufacturing process : en fr
  • FR791250A - Improvement of the tread surface of tires : en fr
  • FR45769E - Mechanical chain grate for small households : en fr
  • GB439472A - Improvements in and relating to coreless induction furnaces : en
  • FR791070A - Process for splitting relatively low volatile hydrocarbons into more volatile hydrocarbons : en fr
  • FR791255A - Process for improving the shelf yield of braun tubes : en fr
  • FR791315A - Device to facilitate the interpretation of indications from gyroscopic devices : en fr
  • GB439295A - Manufacture of substituted aromatic amino-compounds : en
  • DE622703C - Vending machine token : de en
  • GB439204A - Improvements in or relating to obtaining alkaline earth metals by electrolysis : en
  • GB440169A - New method of manufacturing cheese for grating : en
  • FR791014A - noise eliminator for electro-acoustic devices : en fr
  • FR791227A - Method and devices for the electrical recognition of land intersected by a borehole : en fr
  • FR791204A - Mounting of highly sensitive cascade amplifiers : en fr
  • FR791261A - dental prosthesis components (crowns and bridge pieces), preferably porcelain, and methods for the fabrication of bridges : en fr
  • AU2032234A - Improvements in and relating to method of and apparatus for making icecream blocks : en
  • CA354518A - Paper : en fr
  • DE622885C - Process for printing textile fabrics of vegetable origin with dyes : de en
  • GB439429A - Improvements in or relating to meters adapted for measuring and/or indicating the quantity of fluid passing therethrough : en
  • US2023040A - Centrifugal ring-ingot casting machine : en
  • USD97745S - Design for a lace : en
  • GB439263A - Improvements in or relating to nut-crackers : en
  • US2023100A - Electrical conversion system : en
  • USD97668S - Design fob a goblet or similar : en
  • US2022958A - Automobile lock : en
  • DE622730C - Device for drying paper or fabric webs printed with gravure inks by means of cold blown air : de en
  • GB439342A - Improvements in or relating to magnetron arrangements and to electron discharge devices for use therein : en
  • US2023202A - Mop : en
  • USD97709S - Design for a jewelry display case : en
  • FR791248A - Soaking process for leather soles : en fr
  • DE622616C - Support insulator made of ceramic material : de en
  • CA354526A - Gasket : en fr
  • USD97669S - Design for a goblet ob similar : en
  • CA354561A - Electric furnace : en fr
  • AU2027934A - Treatment with hydrogenating gases of distillable carbonaceous materials : en
  • DE622752C - Laundry washing machine with a spherical sieve drum mounted in an outer container by means of a universal joint frame : de en
  • FR791158A - Improvements in the manufacture of yarns made of fibers in rovings from continuous filaments : en fr
  • DE622604C - Process for the production of a bituminous or tarred stone material which can be installed cold and which remains grainy for a long time, especially for road construction purposes : de en
  • CA354473A - Steam generating apparatus : en fr
  • US2022654A - Treatment of cellulosic materials : en
  • GB439313A - Mechanism for securing together a label or like band and a web or band of wrapping material by the application of heat : en
  • US2023088A - Intermittent cooling system : en
  • US2023132A - Skirt closure : en
  • US2023319A - Crank press : en
  • US2022668A - Bumper construction : en
  • US2022691A - Musical instrument : en
  • US2022817A - Centrifugal bowl for separating heavy sludge and solids from lighter liquids : en
  • US2023392A - Coat hanger : en
  • US2023111A - Silent fan : en
  • US2022809A - Method fob fractionation control : en
  • US2022787A - Refrigerating apparatus : en
  • US2023156A - Loose leaf binder : en
  • GB439227A - Improvements in and relating to electric incandescent lamps : en
  • GB439259A - Scaffolding for buildings : en
  • DE622671C - Two-cylinder fluid brake for motor vehicles : de en
  • US2023340A - Tree holder : en
  • AU2030634A - Device for cutting sugar cane trash : en
  • US2023269A - Knife : en
  • US2023304A - Tractor wheel : en
  • US2022718A - Latching means for quickly detachable roof closures : en
  • GB439405A - Method of making covered book form savings banks : en
  • US2022704A - Rail anchor : en
  • US2022990A - Low pour point mineral oil composition : en
  • FR791003A - Device ensuring the maintenance of automatic communications obtained by selective calling : en fr
  • FR791321A - Rubber plasticization process : en fr
  • GB439396A - Improvements in gripping and lifting devices for well casings, pipes and the like : en
  • US2022854A - Treatment of filamentary materials : en
  • US2023229A - Controls for reverse gearing : en
  • US2023264A - Method of making composite : en
  • USD97659S - Design for a toaster or the uke : en
  • USRE19770E - Production of sponge ibxn : en
  • US2023185A - Fuel volatilizing device : en
  • CA354549A - Automobile suspension system : en fr
  • US2022695A - Method and apparatus for controlling the flow of volatile liquids : en
  • US2023235A - Spring drive : en
  • US2022810A - Treatment of hydrocarbon oils : en
  • USRE19782E - Heat-conducting tube : en
  • CA354488A - Armature winding machine : en fr
  • US2022866A - Pen arm lifter : en
  • US2022977A - Joint in line wires : en
  • FR45762E - Improvements to darts : en fr
  • GB439219A - Improvements in double ply woven fabrics for garments : en
  • DE622686C - Brushless plane : de en
  • US2023106A - Stock consistency regulator : en
  • FR791140A - Counter-hunting for loom with automatic shuttle change : en fr
  • GB439495A - Improvements in means for controlling the tension of wires, during their winding on or from spools : en
  • US2023057A - Wave-band filter : en
  • US2022919A - Electric cell testing tool : en
  • GB439452A - Improvements in pencils : en
  • GB439480A - A plunger for washing clothes and washable fabrics : en
  • FR791147A - Photoelectric selection device : en fr
  • US2022750A - Method of manufacturing moistureresistant mineral wool : en
  • FR45792E - Plots and similar elements used in road signs : en fr
  • GB439322A - Impermeable coating for rubber : en
  • GB439273A - An improved composition for the manufacture of floor, wall and or roof tiles : en
  • GB439248A - Improvements in and relating to advertising devices and the like : en
  • FR791038A - Skill game : en fr
  • FR791325A - Improvements to vehicles, such as internal combustion engines, comprising a sliding fluid distributor : en fr
  • FR791041A - Brake pads : en fr
  • FR791043A - New coloring materials and their manufacturing process : en fr
  • US2022656A - Means for filling and sealing a vessel : en
  • US2023375A - Process of manufacturing refined products from mineral oils : en
  • DE622635C - Roller skis : de en
  • US2022669A - Jack : en
  • US2022874A - Thermostatic control device : en
  • USD97736S - Design fob a cab moveb : en
  • FR791197A - Improvements to vehicle bodies : en fr
  • US2022798A - Manufacture of coated aluminum articles : en
  • US2023291A - Butter-chip machine : en
  • FR45800E - Shooting equipment for colored films : en fr
  • DE622675C - Skill game in the form of a human or animal figure with set-up or support surfaces : de en
  • FR791224A - Cream tube : en fr
  • US2022790A - Frequency indicating system : en
  • US2023296A - Process of making cellular rubber : en
  • USD97670S - Design fob a goblet ob similar : en
  • US2022833A - Mechanism to be used upon motor vehicles : en
  • GB439323A - Improvements relating to automatic telephone and like selective systems : en
  • US2023061A - Apparatus for the incorporation of a liquid with a gas : en
  • US2023168A - Control mechanism for hydraulic devices : en
  • DE622895C - Pull switch socket : de en
  • AU2048434A - Pre cipitation * : en
  • DE622603C - Sound signal device : de en
  • FR791185A - Improvement made to magnesian floors : en fr
  • DE622820C - Automatic centrifugal friction clutch : de en
  • DE622669C - Process for the production of a glossy protective coating on fruits and other vegetables : de en
  • DE622728C - Process for the production of water-soluble fatty bodies with a high content of ester-like bonded sulfuric acid : de en
  • US2022930A - Automatic door bottom : en
  • US2023033A - Control head : en
  • DE622600C - Process for the production of light-diffusing hollow glass bodies : de en
  • DE622737C - Injection molding machine for pouring bearing shells or similar workpieces : de en
  • CA354580A - Colouration process : en fr
  • US2023391A - Shirt and collar : en
  • US2023262A - Blade holder : en
  • US2022875A - Combination spout and shower diverter valve : en
  • DE622706C - Process for producing durable suspensions : de en
  • US2022763A - Machine for driving tubes into heels : en
  • US2023153A - Fluid operated valve for fermentation receptacles : en
  • GB439460A - Improvements relating to the production of a mirror polish on paper, fabric and similar material : en
  • US2023048A - Internal combustion engine : en
  • USD97685S - Design fob an ensemble dress : en
  • DE622813C - Chimney top : de en
  • DE622724C - Shell-like reinforcement of iron extensions made of rolled sheet metal : de en
  • USD97688S - Design for a buckle : en
  • US2022861A - Mechanical toy : en
  • USD97671S - Design for a goblet or similar : en
  • GB439190A - Improvements in or relating to electrical signalling systems : en
  • US2022746A - Newspaper printing machine : en
  • US2023078A - Bumper : en
  • US2022901A - Process fob clarification of sewage : en
  • US2023058A - Grater and shredder : en
  • US2023093A - Doughnut forming machine : en
  • DE622704C - Hand cultivator adjustable to different working widths : de en
  • FR791332A - Waterproof headgear : en fr
  • FR791057A - Folding lectern : en fr
  • FR791002A - Device preventing a transmitter and a receiver from influencing each other in traffic in opposite direction by carrier waves, and in particular in traffic with a single carrier wave : en fr
  • GB439221A - Improvements relating to card index trays : en
  • USD97727S - Design fob lace : en
  • USRE19774E - Bail anchor : en
  • DK50986C - Device for Laundry, which must be stiffened. : da en
  • FR45798E - Process for the manufacture of tapes, threads, sheets and flexible tubes of polystyrol or similar artificial materials : en fr
  • GB439223A - Apparatus for building roads : en
  • US2022649A - Stock support for heating furnaces : en
  • US2022794A - Brake : en
  • US2022882A - Apparatus for cleaning liquid conduits : en
  • US2022902A - Acoustic and cinematographic apparatus : en
  • US2023376A - Card punching machine : en
  • FR791236A - Transmission intended more particularly for automobiles : en fr
  • GB439335A - Improvements in and connected with boilers and other furnaces : en
  • GB439463A - Improvements in folding sash windows : en
  • FR791098A - Process for obtaining inorganic materials with high swelling power : en fr
  • FR791220A - Improvements to vacuum cleaning devices : en fr
  • FR45765E - Devices for projection on screen and photographic recording of indications of indicating devices in general and in particular of weighing devices : en fr
  • GB439211A - Improvements relating to means for locking the doors of coin-freed vending machines : en
  • GB439314A - Improvements in the production of knock-stable motor fuels : en
  • GB439215A - Vulcanising rubber : en
  • US2022961A - Process for the manufacture of artificial silk : en
  • FR791234A - Makeup instrument : en fr
  • FR791301A - Cement : en fr
  • DE622642C - Facility for brief exposure to roses : de en
  • DE622648C - Production of phosphorus trichloride from ferrophosphorus : de en
  • GB439464A - Improvements in or relating to collars for personal wear : en
  • GB439386A - Swimming bath : en
  • GB439482A - Improvements in and relating to the manufacture of heating elements for mercury boilers : en
  • US2023346A - Static-releasing shoe : en
  • USD97684S - Design for an ensemble dress : en
  • US2023012A - High pressure water tube steam generator : en
  • FR45764E - Artificial bristles with reduced gloss and transparency : en fr
  • FR791216A - Development in sockets : en fr
  • FR791149A - Improvements to clutch devices : en fr
  • FR791020A - Keychain enhancements : en fr
  • US2023075A - Nitrogen containing esters : en
  • USD97687S - Design for a store : en
  • US2022924A - Margarine and method of making the same : en
  • GB439427A - Improvements in and relating to mountings for electric motors : en
  • FR791188A - : fr
  • GB439364A - Improvements in or relating to the treatment of rubber and like latices and compositions and for the manufacture therefrom of articles of various kinds : en
  • DE622665C - Printing device : de en
  • FR791304A - Process for the fractional distillation of hydrocarbons and the like : en fr
  • DE622683C - Process for the decomposition of hydrocarbon oils under pressure : de en
  • DK50969C - Automatic firearm. : da en
  • US2023173A - Receptacle for beverage bottles and refreshment containers : en
  • FR791074A - Incandescent lamps for projectors : en fr
  • GB439214A - Improvements in and relating to wheel removing jacks : en
  • GR5549B - INSIDE THE ROULETTE GAME MATHEMATICALLY REPLACES THE MACHINE OF THE SAME NAME. : el en
  • US2022996A - Stoker structure : en
  • US2022658A - Stock quotation projecting machine : en
  • US2023308A - Floating roof for tanks : en
  • USD97725S - Design fob a combined display stand : en
  • FR791165A - Improvements in apparatus used to dispense, in an intermittent manner, predetermined quantities of a liquid : en fr
  • FR791172A - Insecticidal or pest control agent : en fr
  • GB439627A - Variable gear : en
  • US2022692A - Musical instrument : en
  • GB439269A - An improved process for obtaining a highly swellable body from waxes : en
  • GB439280A - Improvements in and relating to hydraulic operating mechanism : en
  • GB439193A - Improvements in hydraulic air blowers : en
  • DE622851C - Process for the production of plastics from cellulose compounds : de en
  • DE622876C - Process for the preservation of ammonium bicarbonate, preferably intended for fertilization purposes : de en
  • CA354531A - Bi-metallic strip manufacture : en fr
  • FR791123A - Electro-dynamic speaker : en fr
  • US2023150A - Device for displaying containers : en
  • USD97707S - Charles eflmey : en
  • DE622626C - Slide control for internal combustion engines : de en
  • DE622738C - Electrically operated elevator for high conveyor speed with photoelectric devices attached to the car : de en
  • US2023071A - Progressive distributing lubricator : en
  • US2022811A - Mineral wool and manufacture thereof : en
  • FR791100A - Method and apparatus for double vulcanization of rubber shoes : en fr
  • GB439477A - Improvements in or relating to ironing presses : en
  • FR45766E - Elastic suspension for wheels mounted on oscillating half-axles, in particular for motor vehicles : en fr
  • FR791207A - Voltage monitoring relays : en fr
  • GB439162A - Improvements in firebars : en
  • USD97694S - Design for a glass dish : en
  • US2023382A - Interposed disk rheostat : en
  • DE622845C - Process for the production of benzyl cellulose : de en
  • FR791264A - Door lock : en fr
  • GB439345A - Improvements in and relating to oil-filled high tension electric cables : en
  • DE622764C - Process for the production of matt rayon from viscose : de en
  • DE622595C - Process for the production of methyl alcohol and other oxygen-containing organic compounds : de en
  • DE622589C - Tension lever arrangement on air rifles with lever tension : de en
  • FR791311A - Device for mechanically recording oscillations, in particular sound vibrations on a film : en fr
  • FR791108A - Improvements to processes and apparatus for separating sludge and mixtures and for removing dust from gases : en fr
  • GB439626A - Improvements in and relating to water gas generators : en
  • US2022917A - Bearing : en
  • US2023217A - Television scanning apparatus : en
  • GB439317A - Improvements in and relating to the automatic regulation of an electrical supply : en
  • DE622712C - Lock for wheeled vehicles : de en
  • GB439454A - Improved means for delivering whitewater in paper and paperboard machines : en
  • US2022829A - Washing machine : en
  • US2022859A - Deep well pumping apparatus : en
  • DE622606C - Body strap with shoulder strap secured against displacement : de en
  • GB439468A - Improvements in and relating to thermostatic electric switches : en
  • DE622468C - Device for the production of sheet glass : de en
  • FR45772E - Automatic speed change for variable speed motion transmission : en fr
  • DE622690C - Process for generating mercury vapor and equipment for practicing the process : de en
  • DE622833C - Tube closure in which the closing element consists of a roller that sits on the middle part of a resilient, pivotable wire bracket attached to the tube neck and, in the closed position, lies in a hollow cylindrical sealing surface of the tube mouth : de en
  • CA354581A - Colouration process : en fr
  • CA354484A - Lawn mower sharpener : en fr
  • FR791326A - Process for separating mixtures of substances of high molecular weight, for example hydrocarbon oils : en fr
  • CA354501A - Shirt and collar : en fr
  • DE622695C - Concentric high frequency cable : de en
  • GB439302A - Lenses : en
  • CA354533A - Metal-vapour lamp : en fr
  • US2023129A - Die casting alloy : en
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