• USD116841S - Design for a fire truck : en
  • CH207130A - Electric control device for switch drives. : de en
  • US2174410A - Electric switch : en
  • US2174504A - Transmission : en
  • AT157055B - Arrangement for rapid regulation of the operating parameters of electrical machines. : de en
  • US2173926A - Automatic drain valve : en
  • AT157081B - Hair clipper. : de en
  • AT157130B - Adjustable brush for scraper devices. : de en
  • AU108550B2 - Floating carrier wave communication system : en
  • AT157040B - Speed controller for step switching of fluid gears. : de en
  • DE681617C - Cutting unit for mowing machines : de en
  • US2173966A - Weed exterminator : en
  • USD116899S - Design for a dress : en
  • US2174492A - Preparation of alkane sulphonyl chlorides : en
  • DE681638C - Process for the production of vitamin B. : de en
  • CH207135A - Lighting device for air protection purposes. : de en
  • US2173961A - Automobile air conditioning device : en
  • US2173973A - Individual springing : en
  • US2174271A - Fabric take-up mechanism : en
  • US2174374A - Glass-to-metal seal : en
  • US2173864A - Split platen : en
  • US2174083A - Crankshaft lathe : en
  • US2174431A - Method of making mechanical packing : en
  • AT157020B - Drying device for razor blades. : de en
  • US2174390A - Composite body : en
  • DE681530C - Crystal filter with adjustable bandwidth, especially for superhet receivers : de en
  • FR846771A - Pressure cooker : en fr
  • GB512722A - Improvements in or relating to the production of animated kinematographic cartoons and puppets for use therefor : en
  • US2174385A - Surfacing apparatus : en
  • USD116860S - Design for a milk bottle : en
  • FR846731A - Filtering device against toxic gases insensitive to variations in inspiratory regime : en fr
  • DE681537C - Rotary transformer for control purposes : de en
  • CH207068A - Belt drive for double-sided spinning, twisting and similar textile machines. : de en
  • US2173880A - Discharge tube or the like : en
  • CA384234A - Force measuring device : en fr
  • FI18610A - Medels en i ett fordons drivhjul inbyggd motordriven frihjulsnav med bakåttrampningsbroms : en fi
  • AT157026B - Umbrella frame with telescopic umbrella pole and roof pole parts. : de en
  • DE681644C - Process for the production of sulfur dioxide with simultaneous production of a phosphate fertilizer : de en
  • GB512954A - Manufacture of ketones or secondary alcohols of the cyclopentanopolyhydrophenanthrene series : en
  • AT157064B - Process for the production of discharge tubes for very high frequencies. : de en
  • CA384230A - Vacuum cleaner : en fr
  • AT157133B - Device for the automatic changeover of the braking force on vehicle brakes. : de en
  • BE435791A - : en
  • CH207153A - Schutzblech für Fahrzeuge. : de en fr
  • AT157111B - Process for the production of shaped synthetic sponge masses from viscose. : de en
  • FR49998E - Sandals improvements : en fr
  • FR846869A - Manufacturing process for photographic films and papers and resulting products : en fr
  • US2173940A - Locomotive brake equipment : en
  • DE681520C - Process for the production of nitrogen-containing products from alkyleneimines : de en
  • US2173816A - Transmission system : en
  • DE681632C - Roll film spring camera : de en
  • FR846983A - Blade for looms : en fr
  • FR846830A - Devices to aid navigation : en fr
  • GB512731A - Improvements in or relating to machines suitable for building a heel : en
  • US2173872A - Hair curler : en
  • AT157148B - Headrest device, in particular for the passenger compartments of railroad cars. : de en
  • BE436007A - : en
  • US2174287A - Tanning agents and process of producing same : en
  • USD116840S - Design fob an electric welding : en
  • FR49983E - Adhesive materials and compositions containing them : en fr
  • FR846979A - Improvements to television systems : en fr
  • GB512826A - Apparatus for shearing moving stock : en
  • DE681658C - Inflatable mattress with separate headrest made of two layers of rubberized fabric : de en
  • US2173986A - Apparatus for increasing the solute content of solvents : en
  • US2174136A - Trailer steering mechanism : en
  • DE681628C - Automatic control device depending on the torque for friction clutches : de en
  • FR846841A - Improved sandblasting process, devices and equipment for its application : en fr
  • GB512899A - Improvements in or relating to glazed structures : en
  • US2174389A - Tool for drilling ceramic materials : en
  • US2174088A - Listing apparatus : en
  • US2174207A - Clutch and motor control for duplicating machines : en
  • US2173976A - Woven elastic fabric : en
  • US2173988A - Tea and coffee dispenser : en
  • US2174360A - Cut-off length indicating mechanism : en
  • US2174065A - Cement block grooving apparatus : en
  • US2174288A - Production of olefins from gaseous or vaporous saturated hydrocarbons : en
  • US2174307A - Pitman : en
  • AT157092B - Process for the production of yeast including yeast and especially compressed yeast and alcohol. : de en
  • DE681550C - Process for the production of high quality animal feed : de en
  • DE681675C - Motor vehicle, especially with a streamlined top : de en
  • FR846969A - Device for ensuring the deflection of a fluid vein escaping from a slot or mouthpiece pipe, even thick : en fr
  • DE681664C - Stuffing box packing, which consists of two radially superimposed, slotted, resilient rings and each of a cover ring which is placed against these rings on the front side : de en
  • FR846997A - : fr
  • GB512881A - Improvements in and relating to heaters or radiators and more particularly such as are adapted for use as towel or clothes airers : en
  • USD116842S - Design for a textile fabric or : en
  • US2173842A - Extraction method : en
  • USD116827S - Design fob : en
  • DE681540C - Process to increase the usefulness of the artificial generation of radioactivity by neutron bombardment : de en
  • DE681762C - Striker trap : de en
  • FR846864A - Starting device for spray carburetors : en fr
  • FR846974A - Improvements to the construction, with standardized elements, vault frames and easily removable hangers : en fr
  • GB512827A - Improvements in or relating to electric signalling systems : en
  • GB512870A - Improvements in and relating to the feeding of folded signatures to book-stitching and like machines : en
  • DE681583C - Locking device for tiltable conveyor container : de en
  • GR8511B - PUBLIC SHOW ADVERTISING BOARD. : el en
  • DE681568C - Phosphor-titanium steels : de en
  • DE681603C - Crushing jaws, grinding plates or the like for crushing machines : de en
  • GB512907A - Improvements relating to the concentration and decolorization of denitrated spent sulphuric acid : en
  • GB512842A - Improvements in or relating to fastener supplying mechanism of, or for, shoe machines : en
  • US2174133A - Apparatus for making boots and shoes : en
  • CA384278A - Cathode ray oscilloscope : en fr
  • CH207122A - Three-phase transformer. : de en
  • CH207168A - Device for guiding and driving picture sound films or sound films with elastic film tensioning roller. : de en
  • US2174366A - High pressure tubing oil saver : en
  • FR49979E - Process for the preparation of tertiary alcohols of the cyclo-pentanopolyhydro-phenanthrenic series : en fr
  • GB512736A - Improvements in internal linear-dimension gauges of the dial type : en
  • US2173981A - Center support for tube frames : en
  • DE681558C - Fitting for window sashes that can be rotated around a vertical and a horizontal axis : de en
  • FR846730A - Relay more particularly intended to be produced in multipolar form : en fr
  • AT157089B - Use of nitrogen-containing, ferritic chrome steels. : de en
  • SE96932C1 - Method for producing a light metal cylinder with bushing of substantially harder metal : en sv
  • FR846825A - Improvements to toilet appliances called bidets : en fr
  • FR846977A - Gear change device with hydraulic transmission and automatic reduction : en fr
  • FR846923A - Improvements to stretcher attachment devices in medical cars or motor ambulances : en fr
  • CH207060A - Exhaust hood with backflow protection for liquid heaters. : de en fr
  • CH207148A - Display device for displaying the combustion of fuel in a furnace. : de en
  • FR846913A - Assemblies with multigrid tubes : en fr
  • FR846724A - Process for the manufacture of a non-metallic material for electrical resistances obtained by the ordinary or vitrifying fusion of substances such as oxygenates of heavy metals : en fr
  • FR846945A - Device for applying thermal treatments : en fr
  • FR846740A - Method and apparatus for making fancy knits on knitting looms and machines and the like : en fr
  • US2174053A - Method of and apparatus for testing the thickness of metal coatings : en
  • US2174280A - Method of producing butadiene : en
  • USD116829S - Design foe : en
  • SE96938C1 - Ways to dissolve and re-precipitate copper : en sv
  • DE681735C - Anterior hammer for diesel engines operated with heavy fuels, especially tar oil : de en
  • DE681749C - Device for remuneration of workpieces : de en
  • US2174292A - Spindle control mechanism : en
  • US2174323A - Combined cutter, agitator, and crusher for dredges : en
  • US2174370A - Respirator : en
  • US2174145A - Wallboard fastener : en
  • FI18601A - Normalize the construction assembly for the piston locomotive or piston drive machine to the valve assembly : en fi
  • US2173852A - Machine for making corrugated paper : en
  • US2174242A - Aminoglycols : en
  • USD116882S - Design fob a lace : en
  • DE681208C - Disc clutch working under fluid pressure : de en
  • GB512824A - Improvements in or relating to the preparation of phytolipases : en
  • FR846998A - Improvements to telegraphic transmitting devices : en fr
  • USD116902S - Design fob a dress : en
  • US2173937A - Release insuring means : en
  • US2173952A - Cable conveying and distributing means : en
  • US2174263A - Hair-retaining device : en
  • US2174425A - Cooking utensil : en
  • US2173964A - Heel-attaching machine : en
  • GB512775A - Improvements in and relating to internal combustion engines : en
  • AT157007B - Brick lining processes for rotary kilns for burning cement, plaster and the like like : de en
  • CH207167A - Soft, elastic, hollow waistband made of knitted fabric. : de en
  • US2174261A - Gear mounting : en
  • GB512866A - Improvements in or relating to the production of grooved tubular bodies : en
  • GB512957A - Improvements in and relating to electric induction apparatus : en
  • US2174161A - Lock slider for separable fasteners : en
  • US2174298A - Stenciling apparatus : en
  • US2174500A - Electric glow valve system : en
  • USD116799S - Design for a table cooker : en
  • USD116890S - Design for a dress : en
  • FR846895A - Method and device for the production of hydraulic energy : en fr
  • DK56723C - Efilation comb. : da en
  • FR49953E - Olefin polymerization process : en fr
  • FR846810A - Enhancements to push-button controls for elevators : en fr
  • FR846944A - High pressure stable container : en fr
  • GB512762A - Process for the consolidation of layers of clay by an electric field : en
  • DE681586C - Transfer termination for damp-proof lines : de en
  • DE681678C - Unloading device for drag plate conveyor : de en
  • FR846936A - Mechanical alarm device with bell for cash drawers : en fr
  • GB512897A - Improvements in or relating to liquid feeding apparatus : en
  • US2173951A - Pneumatic horn : en
  • DE681752C - Power converter : de en
  • DE681766C - Device for heating milk : de en
  • AT157113B - Generator firing. : de en
  • US2174311A - Service unit for air cleaners and process of use therefor : en
  • US2173910A - Circuits for the amplification of electric oscillation : en
  • FR49996E - Pressure brake device for trailers : en fr
  • USD116824S - Design for an envelope : en
  • DE681726C - Arrangement for venting and draining underwater exhaust pipes during the torpedo shot : de en
  • DK56731C - Method of Making Matte and Non-Rolling Photographic Paper. : da en
  • FR846737A - Process for the manufacture of sleeve pipes or other hollow bodies showing, along their length, different contours or sections : en fr
  • GB512973A - Improvements in or relating to pickers for looms : en
  • GB512763A - A process for modifying the physical characteristics of argillaceous soils : en
  • US2174029A - Honing machine : en
  • US2174310A - Beet lifter : en
  • GB512894A - Improvements relating to guide posts, pillars and signs for roadways : en
  • US2173831A - Cutting device for stock quotation projection machines : en
  • US2174325A - Antifriction bearing : en
  • AT157105B - Process for the preparation of a coating liquid which, when applied to the surfaces of ceramic objects, gives them the appearance of terra sigillata. : de en
  • CH207076A - Anti-skid device for shoes. : de en
  • AT157112B - Process for the production of hydrocarbons. : de en
  • US2174437A - Electrolytic device : en
  • US2173838A - Valve for oil burners : en
  • US2173875A - Contact of inking cylinder and impression cylinder on rotary presses : en
  • US2174435A - Fireplace : en
  • CA384204A - Cellulose manufacture : en fr
  • CH207089A - Picture book. : de en
  • US2174239A - Preparing acetyl acetic acid derivatives : en
  • CA384329A - Electrical coupling device : en fr
  • US2173962A - Safety guard : en
  • US2174045A - Damming device for lister furrows : en
  • USD116790S - Design for a glass fruit bowl or ar- : en
  • DE681581C - DC compressor, especially for refrigeration systems : de en
  • DE681608C - Vibration damper for aircraft : de en
  • DE681713C - Axial thrust bearing : de en
  • DE681519C - Process for the pressure hydrogenation of high-boiling hydrocarbons : de en
  • DE681733C - Sterile cover provided with thread design for removal containers for surgical sewing material : de en
  • US2173822A - Splitting machine : en
  • FI18615A - Förfaringssätt for framställning av glättade rör av asbestcement : en fi
  • DE681548C - Lifting device for the machine frame carrying the tools, especially of potato and beet harvesting machines : de en
  • DE681782C - Substitutes for fatty alcohols : de en
  • AT157122B - Two-part holding device equipped with a slot and holding button for attaching ski skins or the like. : de en
  • DE681015C - Double-sided mosaic panels, in particular for photo mosaics in image dismantling tubes, and methods for producing the same : de en
  • USD116836S - Design for a bathtub : en
  • DE681507C - Process for the operation of pulverized coal combustion : de en
  • DE681556C - Beverage cooler built into the bar : de en
  • DE681722C - Demonstration device for circulating picture or writing carriers, especially for advertising purposes : de en
  • CA384224A - Hand loom : en fr
  • AU408838A - Improvements in or relating to apparatus for producing visible images from heat rays : en
  • CA384229A - Colour photography : en fr
  • FR846838A - Sprinkler with odometer : en fr
  • GB512971A - Improvements in or relating to the manufacture of hollow turbine blades : en
  • GB512573A - Spark-timer for internal-combustion percussive hammers : en
  • DE681760C - Fertilizer spreader, especially for vineyards : de en
  • USD116856S - Design for an aspirating air diffuser : en
  • CA384330A - Silk knitting process : en fr
  • CH207138A - Inhaler with automatic dosage. : de en
  • GB512874A - Improvements relating to joints for pipes or other fluid conduits : en
  • US2173861A - Stiffening sheet material : en
  • US2174067A - Fender lamp : en
  • US2173991A - Shutter release mechanism : en
  • US2174268A - Carriage : en
  • USD116904S - Design for a dress : en
  • US2174179A - Carton : en
  • FR846702A - Method for generating guide surfaces for the landing of flying machines and radio-electric transmitting and receiving devices for its application : en fr
  • CA384315A - Polyvinyl resin and composition : en fr
  • FR846753A - Tube mill or the like : en fr
  • DE649175C - Switching device for electrically driven jacks : de en
  • DE681214C - Filing folder with alignment pins : de en
  • FI18608A - Förfaringssätt for the handling of glass fibers : en fi
  • FR846729A - Continuous supply gas-fired voltaic cell improvements : en fr
  • DE681535C - Fire chamber fluid switch : de en
  • AT157033B - Flooded evaporator. : de en
  • US2173922A - Treatment of whey : en
  • USD116900S - Design fob a dress : en
  • US2173992A - Method of curing meats : en
  • FR49971E - New device likely to increase the lift of aircraft wings and ensure their transverse stability : en fr
  • SU55555A1 - The method of obtaining pyran derivatives : en ru
  • US2174329A - Insulin bottle and syringe holder : en
  • USD116873S - Design for a decorative paper : en
  • GB512871A - Improvements in rotary drum installations : en
  • US2173884A - Fluid control system : en
  • US2174110A - bdsnl : en
  • US2174125A - Siren : en
  • US2174416A - Valve : en
  • US2174331A - Control clock : en
  • AT157056B - Cathode ray tube. : de en
  • AT157095B - Device for removing metal from the surface of metal bodies, such as steel billets, by means of streams of oxidizing gas. : de en
  • US2174102A - Lubricated cutter mounting : en
  • US2174234A - Broad band amplifier : en
  • US2174407A - Brake mechanism : en
  • USD116876S - Design for an evening gown : en
  • FR846861A - Device for controlling ailerons in airplanes : en fr
  • FR846885A - TV scan timing system : en fr
  • US2173997A - Method of treating sewing thread and the thread resulting therefrom : en
  • CH207101A - Permanent magnet steel alloy. : de en
  • US2173829A - Unified paper web : en
  • US2173963A - Bather's air float : en
  • US2174381A - Glass-to-metal seal : en
  • GB512830A - Improvements in percussion drills : en
  • US2174010A - Coupling device : en
  • US2174353A - Transmission of waves with rotary polarization : en
  • US2174071A - Can blank and method of producing same : en
  • FR846759A - Process for preparing oxycellulose ether carboxylic acids : en fr
  • GB512748A - Improvements in or relating to hose supporter buckles : en
  • GB512794A - Improvements in writing pads or tablets for educational purposes : en
  • FI18605A - Anordning för rengöring av centrifugalfläktar, centrifugalpumpar eller dylika med skovelhjul eller propellrar försedda Maskiner : en fi
  • FR846904A - Automatic device for advancing the workpiece in a column block : en fr
  • FR846924A - Automatic dispenser of so-called head caps for capping bottles : en fr
  • US2174359A - Flatiron : en
  • US2174143A - Cotton gin : en
  • US2174432A - Electric valve protective system : en
  • US2174014A - Direction finder : en
  • US2174293A - Purification of ethers : en
  • US2174363A - Support for foldable ironing boards : en
  • FR846713A - Cylindrical lock : en fr
  • US2173894A - Variable band width piezoelectric filter : en
  • GB512788A - Improvements in or relating to three-phase electric transformer and/or choking coil arrangements : en
  • DE681660C - Device for the examination of gases, in particular smoke gases : de en
  • US2174301A - Refrigerating system : en
  • US2174376A - Wire winding apparatus : en
  • DE681639C - Process for the preparation of o-aminobenzonitrile : de en
  • GB512891A - Improvements in extrusion machines for the manufacture of pottery products : en
  • FR846984A - Coal distillation furnace : en fr
  • FI18603A - Kedjehjul för kedjeroster och dylikt : en fi
  • DE681541C - Device for exerting a pressure on opposite parts of the head : de en
  • GB512711A - Electron multiplier : en
  • GB512796A - Improvements in or relating to magnetic direction indicators : en
  • GB512912A - Improvements in or relating to devices for subdividing masses of butter, margarine and like plastic material into blocks : en
  • GB512930A - Improvements in or relating to perforating machines : en
  • IE16103L - Production of dl-tocopherols : en
  • US2173832A - Aircraft wing : en
  • FR846949A - Machine for slicing meat and other products : en fr
  • GB512754A - Improvements relating to slidable seats and the like : en
  • FI18609A - Fjädrande hjul : en fi
  • FR846894A - flexible mine prop : en fr
  • USD116822S - Design for a tape : en
  • US2174349A - Gas analysis : en
  • US2174486A - Textile printing pastes containing penetrating agents and processes of printing therewith : en
  • US2173903A - Packer : en
  • DE670885C - Process for the production of sulfur solutions : de en
  • GB512787A - Improvements in or relating to a method of and apparatus for comparing the peak factors of alternating currents and voltages : en
  • DE681571C - Method for powering electrostatic separators : de en
  • DE681573C - Device on ball rolling mills consisting of at least three helically grooved rollers working together in pairs, which alternately feeds preballed rolling stock to two working rollers : de en
  • FR846817A - Improvements to vaporizers, sprayers and similar devices : en fr
  • FR846871A - Process for gasifying fuels by means of water vapor : en fr
  • FR49992E - Forced-spray carburettor : en fr
  • FR846851A - Device for automatically adjusting the step-by-step advancement of a ribbon, in steps of determined length : en fr
  • US2174120A - Seed planting mechanism for agricultural implements : en
  • US2174454A - Process for removing enamel : en
  • FR846844A - Saddle panels, pack, etc., having a filling of elastic material such as sponge rubber : en fr
  • CA384217A - Lubricating oil : en fr
  • GB512932A - Improvements in or relating to the application of power to hand tools such as drilling machines, coal cutters and the like and mechanism for operating against varying loads : en
  • DE681591C - Foldable armchair : de en
  • DE681717C - Multi-spindle drilling machine with several opposite spindle boxes, each of which is driven by a motor sitting on a vertical axis : de en
  • FR846735A - Process for the manufacture of materials and articles made of artificial mineral fibers in combination with a binder : en fr
  • DE681159C - Knife for meat cutter : de en
  • FR846765A - Enhancements to stacked plate heat exchangers : en fr
  • FI18599A - Anordning för tillslutning av vätskebehållare ell dylikt : en fi
  • FR846837A - Improvements in apparatus and methods for powdering insecticidal pulverulent materials : en fr
  • DE681563C - Signal system for reporting the readiness status of several reporting points : de en
  • DE681652C - Process for the recovery of high-boiling solvents from evaporation residues of oil or paraffin-containing solutions : de en
  • FR846884A - System to synchronize the scan and reproduce the background illumination in television : en fr
  • FR49997E - Apparatus for reproducing sound films : en fr
  • FR846758A - Process for preparing adsorbent and, where appropriate, catalytically acting compositions : en fr
  • GR8510B - DRY FIRE EXTINGUISHER TO EXPAND SWEST POWDER BY HAND. : el en
  • FR846732A - Process for the manufacture of plastic masses, and use of masses obtained by said process : en fr
  • GB512840A - Improvements in variable speed gearing : en
  • FR49928E - Improvements in firearms : en fr
  • FR49965E - Centrifugal force breaker : en fr
  • US2173841A - Radio controlled aircraft system : en
  • US2173956A - Motor powered bicycle : en
  • US2174196A - Process for the manufacture of ethylene : en
  • US2174367A - Welded anchor block : en
  • USD116906S - Design for a dress : en
  • FR49994E - Wood pulp, intended for chemical treatments : en fr
  • US2174037A - Refrigerating apparatus : en
  • US2174098A - Roofing element : en
  • US2174141A - Extrusion machine for molding pellets from plastic substances : en
  • CH207155A - Anti-skid device on automobile wheels with pneumatic tires. : de en
  • FR846866A - Silencers for gas streams coming from explosive engines or firearms : en fr
  • GB512872A - Improved manufacture of nitrates of alkalies, alkaline earths and ammonia : en
  • FR846794A - Products intended for the defense of plants and process for the preparation of these products : en fr
  • GB512817A - Improvements in photographic exposure calculators : en
  • GB512950A - Improvements in and relating to vehicle wheels : en
  • FI18596A - Förstärkarekoppling : en fi
  • FR846723A - Process improvements to configure or shape pipes : en fr
  • USD116887S - Design for a textile fabric or simi : en
  • GB512951A - Improvements in processes of producing pitted surfaces for printing plates and the products thereof : en
  • GB512968A - Improvements in or relating to electric air-space-insulated lines or cables : en
  • SE96920C1 - Ways to make ketosteroids : en sv
  • US2173921A - Welding timer : en
  • FR846975A - Calcium sulfate anhydrite production process : en fr
  • GB512940A - Improvements in sterols of the male sex hormone type : en
  • DE681757C - Process for softening and elasticizing plastics containing proteins : de en
  • GB512861A - Gas burner for air heating apparatus : en
  • GB512890A - Improvements in or relating to valves for steam engines : en
  • GB512725A - Improvements in or relating to spring mattresses : en
  • FR49974E - Aerodynamic vehicle with engine at the rear : en fr
  • FR846791A - : fr
  • FR49975E - Improvements to locknuts : en fr
  • AT157057B - Surge protection device. : de en
  • DE681763C - Snap trap : de en
  • DK56719C - Electric Discharge Tube for Light Emission. : da en
  • FR49963E - Improvements in the manufacture of materials based on cellulose triacetates and new industrial products resulting therefrom : en fr
  • GB512933A - Improvements in or relating to cathode ray tubes : en
  • US2174051A - Hydraulic cement : en
  • FR49999E - Improvements to gyroscopic devices : en fr
  • US2173837A - Metallic cartridge belt or strip : en
  • US2174237A - Electric switch : en
  • DE681685C - Process for the preparation of p-aminobenzenesulfonarylide pellets : de en
  • US2173947A - Digging implement : en
  • US2174356A - Torque-measuring wrench : en
  • AT157070B - Electric overcurrent switch. : de en
  • CA384296A - Wire rack : en fr
  • AT157102B - Iron or steel objects that come into contact with molten zinc. : de en
  • US2174449A - Combination of electric discharge devices with materials excited to luminescence by te discharge through them : en
  • AU409038A - Improvements in or relating to automatic tuning control systems for radio receivers andthe like : en
  • GB512771A - Improvements in heat treatment processes employing fused solids as heat transfer media : en
  • CH207108A - Workbench designed for resharpening files, rasps, etc. : de en
  • AT157150B - Button fastener. : de en
  • CH207104A - Process for obtaining chromium by reducing a chlorinated chromium compound with hydrogen. : en fr
  • AT157131B - Thread guide drum or thread guide roller for package winding machines. : de en
  • DE681770C - Vehicle seat frame : de en
  • USD116853S - Design for a motor vehicle : en
  • US2173993A - Shower curtain : en
  • US2174362A - Spark plug : en
  • DE681637C - Method for sizing rayon, especially acetate silk : de en
  • GB512752A - Improvements in and relating to colour photography : en
  • DE681612C - Bicycle fork : de en
  • DE681665C - Device for the axial displacement of shafts : de en
  • USD116845S - Design for a combined perfume bot : en
  • GB512786A - Improvements relating to chairs or other seats : en
  • FI18667A - The procedure produces a water-insoluble adhesive after drying : en fi
  • US2174443A - Vacuum cleaner : en
  • FI18607A - Anordning vid ambulansautomobiler : en fi
  • USD116821S - Design for a curtain or similar : en
  • FR846757A - Iron : en fr
  • FR846860A - Device for controlling auxiliary wings in airplanes : en fr
  • FR846925A - Small device for making balls of textile threads : en fr
  • AT157045B - Device for the mutual locking of two pivotable switching elements. : de en
  • CA384334A - Radio direction finder : en fr
  • CA384214A - Automatic balance : en fr
  • CA384231A - Metal rolling process : en fr
  • AT157060B - Device working with periodically moving switch contacts for the direct conversion of alternating current into alternating current of a different frequency. : de en
  • CA384276A - Cathode ray tube : en fr
  • US2174308A - Ophthalmometer : en
  • AT157019B - Method and device for the production of relief patterns on fabrics. : de en
  • US2174137A - Drafting implement : en
  • US2174322A - Grain and seed cleaner, separator, and grader : en
  • US2174172A - Blasting cartridge or borehole charge : en
  • FR846781A - Restoration of optical and acoustic relief by synchronization : en fr
  • FR846931A - : fr
  • GB512753A - Improvements in or relating to echo sounding recorders : en
  • GB512715A - Method of forming castings such as sliding-clasp fasteners, on a stringer, by the injection-moulding of thermoplastic material : en
  • CA384337A - Signalling system and circuit controller : en fr
  • US2174028A - Electric surface heating unit control system : en
  • USD116839S - Design for a chain : en
  • DE681694C - Clamping device for stretch forming presses : de en
  • DE681542C - Seating and reclining furniture with a movable seat part and a swiveling backrest : de en
  • DE681567C - Winding device for clockworks operated by an electric motor : de en
  • CH207081A - Process and device for the electrolytic oxidation of fine wires. : de en
  • CH207067A - Process for the production of cord yarn from continuous cellulose hydrate filaments. : de en
  • FR846865A - Self-opening and closing notepads : en fr
  • US2173946A - Retardation controller : en
  • US2174036A - Retaining wall for basement windows : en
  • DE681336C - Device for ringing cigars : de en
  • CA384240A - Electrical socket : en fr
  • US2174472A - Mine rail tie and anchor : en
  • DE681667C - Arrangement of the diverging intermediate levers on piano mechanisms : de en
  • FR846708A - Combination tool for beauty treatments : en fr
  • AU441938A - Improved draught arrangement for tractors : en
  • US2174342A - Flexible coupling device : en
  • BE436119A - : en fr
  • AT157099B - Process for the production of pigments of the phthalocyanine series. : de en
  • CA384303A - Refrigerator car door : en fr
  • AT157049B - Piston valve. : de en
  • AU408638A - Improvements in or relating to scanning apparatus suitable for use in facsimile telegraph television and like apparatus : en
  • GB512892A - Improvements relating to chimneys and flues and the removal of soot therefrom : en
  • US2174458A - Melting tank and apparatus for cooling seams thereof : en
  • US2174406A - Brake mechanism : en
  • USD116793S - Design for a horn : en
  • CH207145A - Tuning arrangement for very short waves. : de en
  • US2173936A - Triple valve device : en
  • US2174294A - Buttonhole-cutter safety device for automatic buttonhole sewing machines : en
  • US2174440A - Convertible pencil : en
  • CA384252A - Electrical contactor : en fr
  • CH207051A - Parquet board and process for its manufacture. : de en
  • US2174094A - Casein solution : en
  • US2174077A - Grapple : en
  • US2173909A - Ore dressing : en
  • US2174491A - Method of making lactic acid resinous products : en
  • US2174346A - Inductance device : en
  • US2173877A - Recovery of sulphur dioxide from gas mixtures : en
  • US2174060A - Air conditioning apparatus : en
  • US2174005A - Vat color printing paste : en
  • US2174126A - Message holder : en
  • USD116881S - Design for a lace : en
  • CA384249A - Refrigerating apparatus : en fr
  • AT157012B - Hand application device for liquids, especially low boiling points. : de en
  • CA384262A - Composite metal product manufacture : en fr
  • DE681543C - Locking device for the support bars of the adjustable backrest of a collapsible deck chair : de en
  • DE681679C - Stopper for the air ducts in grain storage ventilation systems : de en
  • GB512914A - Improved photo-mechanical resist : en
  • AT157097B - Process for the production of fine-grain casein, which is suitable for the production of artificial threads. : de en
  • US2174121A - Tubing fluid load deflector : en
  • AT157025B - Economy brush. : de en
  • FR49956E - Calorimetric control method, in particular for the poultry industry, and devices for applying this method : en fr
  • GB512852A - Improvements relating to slicing machines : en
  • CA384333A - Hydrogen peroxide : en fr
  • DE681645C - Process for the preparation of a citric acid soluble phosphate fertilizer : de en
  • US2173927A - Method of preparing paper for bending : en
  • GB512882A - Improvements relating to the carbonisation of carbonaceous materials : en
  • CA384219A - Railway car partition clamp : en fr
  • GR8507B - AUTOMATIC OVERHEAD PREVENTION HOPPER. : el en
  • US2174012A - Preparation of urea-formaldehyde-condensation products : en
  • FR846868A - Telephone installation in which a sending station common to several subscribers transmits messages by means of a high frequency : en fr
  • GB512837A - Improvements in or relating to anti-skid tire chains for vehicle wheels : en
  • DE681621C - Arrangement to generate very brief surges of high voltage and current, e.g. for feeding electrostatic precipitators : de en
  • AU108552B2 - Improvement in bandpass selector : en
  • CA384218A - Box making machine : en fr
  • FR846767A - Device for the application of fabrics, introduced without tension, on the drums of drying machines : en fr
  • GB512781A - Overload release clutches : en
  • US2174150A - Other calculating machines : en
  • USD116791S - Design foe a glass cake plate or : en
  • FR846704A - Device for limiting the overvoltage between the terminals of a series capacitor by means of a bridge comprising in series a ferric inductance and an ohmic resistance : en fr
  • FR846922A - Improvements made to devices which must include screw connections of different diameters, in particular to supports for cameras : en fr
  • CA384212A - Shock absorber for vehicles : en fr
  • SE96927C1 - Coupling device with parallel-connected gas discharge pipes : en sv
  • US2174076A - Grapple : en
  • US2174447A - Securing trim panels : en
  • CH207133A - Process for increasing the operational safety of converters with smoothing agents in the direct current circuit. : de en
  • FR846785A - Improvements made to tendems and multiple velocipeds of the same type : en fr
  • US2174198A - Method of producing colored flatware : en
  • GB512814A - Apparatus for the felting of wool or hair fibres : en
  • GB512749A - Tractor hitch : en
  • FR846829A - Process for the preparation of highly active spinning oils and resulting products : en fr
  • USD116828S - Design fob a fishing bod butt : en
  • FR846743A - Coin toss game : en fr
  • CA384251A - Disconnecting switch : en fr
  • CH207052A - Holding device for board support. : de en
  • FR846875A - Scanning system for two-stroke combustion engines : en fr
  • FR846805A - Suspended nacelle for air defense : en fr
  • DE681555C - Filling and filling swivel tap : de en
  • FI18602A - Snöplogsvinge med utbytbart skärbett : en fi
  • CH207109A - Device for surface hardening of shafts and similar workpieces. : de en
  • FI18598A - Förfaringssätt for framställning av flaskkapsyler : en fi
  • US2174223A - Universal joint : en
  • US2173883A - Mechanical stoker : en
  • US2174027A - Well-drilling fluid : en
  • SU55772A1 - Method for producing tungsten-copper alloy : en ru
  • CA384268A - Tire cover manufacture : en fr
  • US2174270A - Display device employing polarized light : en
  • US2173828A - Ignition system and apparatus : en
  • USD116892S - Design fob : en
  • GB512843A - Improved axlebox for railway and like vehicles : en
  • FR846850A - Device for liquefying carburizing agents, in particular pitch : en fr
  • FR846858A - Water tube steam generator : en fr
  • FR846982A - Process for manufacturing purified pyrethrum extracts : en fr
  • FR846754A - Advertising device : en fr
  • FR846839A - : fr
  • US2174475A - Enzymatic manufacture of nucleotides : en
  • GB512807A - Improvements in or relating to shoe upper conforming machines : en
  • DE681712C - Agitator for fertilizer spreader : de en
  • FR846725A - Low Frequency Alternating Current Electric Furnace : en fr
  • GB512783A - Improvements in and relating to gas excluding and like sealing devices for doors andlike hinged closures : en
  • GB512880A - Building block : en
  • US2173863A - Aircraft navigation system : en
  • SU55787A1 - The method of vulcanization of rubber : en ru
  • US2174001A - Manifold tie rod clamp : en
  • DK56717C - Gaseous electric light bulb. : da en
  • US2174477A - Surge-protected fuse link : en
  • USD116788S - Design foe a glass muffin tray or : en
  • GB512710A - Improvements in and relating to devices for controlling the rotary movement of a paper feed roller such as the feed roller of a typewriting machine, tabulating machine or the like : en
  • US2174082A - Fuel burner : en
  • US2174303A - Pumping means in refrigerating systems : en
  • US2174320A - Spring suspension : en
  • DK56729C - Butter cutting machine. : da en
  • DE681539C - Rotating converter : de en
  • US2174358A - Radiator shutter construction : en
  • USD116823S - Besign for a cigarette dispenser : en
  • FR846803A - Improvements to side dump trucks : en fr
  • USD116852S - Design for : en
  • USRE21219E - Two-cycle engine : en
  • FR846877A - Improvements to clamping sleeves or mandrels to hold workpieces : en fr
  • FR847000A - Telephone device : en fr
  • GB512740A - Improvements in self-locking nuts : en
  • US2174267A - Semicab forward : en
  • DE681561C - Drum magazine for machine guns : de en
  • GB512719A - New or improved method of and apparatus for the conditioning, distribution and dispensing of beer : en
  • FR846750A - Output terminal for electrical appliance tanks : en fr
  • FR846769A - Wheel improvements : en fr
  • FR846948A - Slider mechanism for sliding doors : en fr
  • FR49995E - Air mine for defense against aircraft : en fr
  • FR846820A - Improvements in mounting tools in their sockets : en fr
  • FR846988A - Clamping and closing devices for wire ties : en fr
  • GB512773A - Portable luminous apparatus : en
  • GB512919A - Improvements in or relating to liquid fuel burners : en
  • FR846881A - Improvements to pistols, firearms or similar apparatus for firing and projecting rockets or projectiles used in the launching of moorings : en fr
  • FI18611A - The stern of the ship : en fi
  • GB512850A - Improvements in or relating to knitting machines and to needles for such machines : en
  • FR846747A - Process for folding the seams of leather or imitation articles, in particular the back seam of shoe uppers, and machine for carrying out this process : en fr
  • US2174258A - Fungicidal oils : en
  • US2174042A - Flow and temperature regulator for automotive vehicle engine cooling systems : en
  • US2174248A - Stabilized lubricating composition : en
  • USD116865S - Design for a bottle : en
  • DE681783C - Control device for a high-lift safety valve for steam boiler : de en
  • FR49952E - Repeater for phonographs : en fr
  • US2173999A - Fuse plug for pressure cookers : en
  • USD116806S - Design for a tile unit or analogous : en
  • CA384283A - Automobile body : en fr
  • CA384328A - Jar closure : en fr
  • US2174503A - Exhalation valve : en
  • USRE21215E - Method of fixing sulphur dioxide as : en
  • GB512805A - Improvements in or relating to power driven mincing machines : en
  • GB512906A - Improvements in or relating to electric current converters : en
  • USD116819S - Design for a gyro flyer : en
  • IE16099L - Manufacture of dl-tocopherols : en
  • DE681620C - Switching device for electrically operated vehicles : de en
  • US2174112A - Paper sheet breaking apparatus : en
  • AT157024B - Drying system for webs made of paper u. like : de en
  • AT157082B - Adjustable coat hanger. : de en
  • DE681569C - Process for the production of centrifugally cast pipes : de en
  • US2174245A - Compounds of the anthraquinone series : en
  • US2174355A - Loudspeaker and method of making same : en
  • AT157068B - Tubular conductor. : de en
  • CA384266A - Rear axle wheel and brake assembly : en fr
  • CH207175A - Wheel tires for automobiles. : de en
  • GB512902A - Improvements in or relating to clips and other connecting or attachment devices : en
  • US2174184A - Method for digesting solid car : en
  • FR49987E - Bandages particularly intended for motor vehicles : en fr
  • FR846887A - Separator assembly for line and series pulses in television : en fr
  • GB512976A - Improved process and apparatus for tempering tubular glass articles : en
  • US2173957A - Machine for operating upon insoles and method which may be performed thereby : en
  • US2174193A - Antifriction pipe guide : en
  • US2174480A - Automatic strip counter : en
  • FR49961E - Process for obtaining color images on films with several layers of emulsions : en fr
  • GB512835A - Improvements in or relating to venetian blind ladder webbing and the like : en
  • USD116872S - Design for a decorative paper or : en
  • US2173916A - Manufacture of sulphuric acid : en
  • US2174044A - Hydraulic system for boring machines and the like : en
  • US2174189A - Retreading vulcanizer : en
  • FR846981A - Electronic discharge tube : en fr
  • FR846840A - Electrically operated valve : en fr
  • GB512809A - Improvements in or relating to the heat treatment of work pieces of profiled cross-section : en
  • DE681588C - Connection sleeve for electrical aerial cables : de en
  • US2174328A - Piled surface in pattern form : en
  • GB512937A - Improvements in or relating to liquid pressure braking systems for vehicles : en
  • US2173905A - Voltage-compensating transformer : en
  • US2174241A - Apparatus for the steeping of alkalicellulose and the like : en
  • DE681710C - Process for obtaining a high-vanadium slag from vanadium-containing pig iron : de en
  • DE681787C - Airspace cable with an outer conductor provided with transverse grooves : de en
  • DE681512C - Returning epicyclic gears to drive the guide rollers of tools, especially cutting or welding torches : de en
  • US2174375A - Glass-to-metal seal : en
  • USD116794S - Design for a fluid dispensing device : en
  • USD116803S - Design fob an umbrella : en
  • FR49985E - Aviation parachute and opening device : en fr
  • FR49986E - New aldehydes of the indol series and their preparation process : en fr
  • GB512975A - Improvements in electrical apparatus for indicating liquid levels : en
  • AT157027B - Protective blanket for shopping bags. : de en
  • US2174509A - Cyclohexane sulphonyl chlorides : en
  • CA384272A - Television apparatus : en fr
  • AT157035B - Light alloy pistons. : de en
  • GB512767A - Improvements in or relating to the setting of precious stones and the like : en
  • AU108566B2 - Improved dielectric for insulating couplings : en
  • US2174140A - Separable fastener : en
  • US2174282A - Ferrous alloy : en
  • US2174373A - Fastening device : en
  • CH207066A - Process for the production of cord yarns. : de en
  • AT157014B - Method and device for the production of elastic fabrics. : de en
  • DE681510C - Wedge or parallel slide with internal relief device : de en
  • CA384324A - Hose coupling : en fr
  • CH207142A - Emergency call facility in telephone systems with dialer operation and with coin-operated telephones. : de en
  • BE436225A - Device for starting and supplying low voltage to an electric discharge tube : en fr
  • US2174123A - Well pump : en
  • US2173996A - Film-guiding mechanism : en
  • US2174073A - Upholstery clip : en
  • CA384298A - Coating for magnesium and alloys : en fr
  • AU396038A - Improvements in or relating to trimming machines : en
  • DE681565C - Device for transferring the cigarettes removed from a storage container into the troughs of an uninterrupted chain of troughs : de en
  • DE681754C - Indirectly heated alkali cathode : de en
  • AT157104B - Insulating winding for electrical machines and apparatus. : de en
  • US2174095A - Paper manufacture : en
  • US2174474A - Dyeing or bleaching machine : en
  • AT157118B - Arrangement of water-cooled engines for motor vehicles. : de en
  • CA384327A - Railway car door : en fr
  • CH207136A - Process for the production of vacuum- and high-pressure-tight power entries. : de en
  • AT157136B - Belt element and conveyor belt. : de en
  • CH207094A - Automatic firearm with swinging bolt. : de en
  • GB512764A - Ray-sensitive electric circuit : en
  • CH207152A - Automatic automobile hot water heating. : de en
  • FR846741A - Electric drive device for fast rotating parts, especially for rayon spinning pots : en fr
  • GB512742A - Improvements in laboratory platinum crucibles and methods of producing same : en
  • DE681647C - Modulation meter for measuring the amplitudes of the positive and negative modulation half-periods separately : de en
  • FR846733A - Assembly of sheet pile wall joints resistant to thrust forces : en fr
  • FR846889A - Improvements to ground carrier wave transmitters : en fr
  • SE96952C1 - Device for automatic control of the longitudinal inclination of aircraft : en sv
  • US2174018A - Brake mechanism : en
  • DE681642C - Device for the internal cleaning of the coils of water tube boilers o. : de en
  • CH207110A - Tool for fine machining of grooves in the interior of hollow bodies. : de en
  • DE681599C - Fastening for the race ring of the crank pin bearing of fork hay tedders with an elongated hole : de en
  • CA384308A - Engine governor mechanism : en fr
  • BE436025A - Substitute product for the sillimanite ore wedged from a mixture of argy and aluminum oxide produced by the oxidation of metallic aluminum at a temperature of 1000 ° mixture preferably composed of grinded aluminum slag from may to pass through a sieve of at least i60 : en fr
  • GB512750A - Method of and machine for die-casting thermoplastic fastener elements on a mounting member : en
  • AU492038A - Improved water vaporizer for air cooled condensers or coolers : en
  • CH207055A - Evaporation body for water tanks to be attached to radiators. : de en
  • US2173834A - Metallic article and its manufacture : en
  • AT157073B - Device for dampening humming noises on electricity meters. : de en
  • AT157145B - Switching device for signal feedback. : de en
  • CA384269A - Self-locking tappet screw, etc. : en fr
  • AT157038B - Brake shoe for vehicle brakes or the like. : de en
  • AU108571B2 - Improvements in or relating to automatic tuning control systems for radio receivers andthe like : en
  • US2173901A - Broach : en
  • FR49970E - Gas exhaust improvements in steam, gas or internal combustion engines : en fr
  • DE681689C - Device for streak-free printing of larger, non-rastered areas on high-speed cylinder presses : de en
  • FR846799A - Decorative molding process for the constitution of objects of any shape and type : en fr
  • US2174230A - Holder for electrically heated tools : en
  • CA384250A - Disconnecting switch : en fr
  • FR846715A - Method and apparatus for manufacturing pipes of different lengths : en fr
  • CH207151A - Vehicle with running chains guided in roller conveyors. : de en
  • US2173968A - Manufacture of shoe bottom units : en
  • GB512911A - Improvements in or relating to pose reflecting systems : en
  • FR846971A - Improvements to engine cowls : en fr
  • US2174266A - Internal combustion turbine : en
  • US2174420A - Vacuum siruping machine : en
  • FR846999A - Substituted isothiourea halogen hydrates and process for preparing these compounds : en fr
  • GB512918A - Improvements in rotary drum installations : en
  • GB512831A - Improvements in or relating to drinking tubes : en
  • US2173902A - Common wave transmitter system : en
  • US2174464A - Automatic brake control mechanism : en
  • DE681671C - Flash lamps, in particular for photographic purposes : de en
  • CA384344A - Textile thread manufacturing apparatus : en fr
  • FR846819A - Arrow launcher : en fr
  • GB512755A - Improvements in colour photography : en
  • IE15919L - Thermostatic fire alarm : en
  • FI18618A - The procedure produces a water-insoluble adhesive after drying : en fi
  • US2173929A - Automatic carbonating siphon bottle : en
  • DE681549C - Potato harvester with PTO drive for at least two lifting units : de en
  • DK56710C - Coupling for Kips Oscillation Reinforcement. : da en
  • FR846777A - Process for preparing concentrated coffee : en fr
  • CA384309A - Electron discharge device : en fr
  • FR846780A - Method and device for preventing frost in crops : en fr
  • GB512903A - Improvements in or relating to television transmitters : en
  • DE681576C - External heating device for superheated steam and gas turbines : de en
  • US2174068A - Display apparatus : en
  • USD116857S - Iinitfo statfs patfnt office : en
  • AU108533B2 - Improvements in delivery waggons : en
  • USD116800S - Design fob a chair : en
  • USD116843S - Design for an ashtray : en
  • US2173889A - Buckle : en
  • US2174061A - Driving control mechanism for rotary driven units : en
  • US2174463A - Shoe upper shaper : en
  • FR846915A - Printing telegraph devices : en fr
  • US2173983A - Engine starter gearing : en
  • DK56718C - Transition body for fusing power supply wire of tungsten or molybdenum into quartz glass containers, in particular for high-pressure mercury vapor discharge lamps, and methods for its manufacture. : da en
  • GB512917A - Improvements relating to vacuum braking apparatus : en
  • DE681721C - Process for treating milk : de en
  • FR49981E - Linkage system for double-acting engines and machines : en fr
  • FR846950A - Sports vehicle for children : en fr
  • DE681605C - Cinematographic combination process : de en
  • DE681711C - Flow meter : de en
  • GB512811A - Method of and apparatus for use in the heat treatment of metal bands : en
  • DE681513C - Device for making wrapped tubes from paper, cardboard, or the like. : de en
  • GB512799A - Manufacture of acyl-acetic arylides having substantive properties : en
  • CA384304A - Refrigerator car door : en fr
  • DE681559C - Securing against sagging of the window sash in windows with tilt and turn sashes arranged on a corner joint : de en
  • DK56736C - Perforating machine. : da en
  • GB512868A - Improvements in or relating to eyeletting machines : en
  • US2174057A - Automatic valve : en
  • CH207077A - Automatic small grinder. : de en
  • FR846992A - Improvements to processes for the production of polarizing materials : en fr
  • DE681743C - Leveling device for coke stoves : de en
  • FR49931E - Improvements to x-ray generators : en fr
  • FR846900A - Manufacturing process of paraffin modifiers : en fr
  • GB512790A - Improvements in or relating to devices for use in gauging the pressure in hollow articles such as footballs : en
  • GB512869A - Improvements in and relating to buckle folding machines : en
  • US2174058A - Game : en
  • AT157036B - Control valve for flowing media under higher pressures, especially for electrical high-voltage switches. : de en
  • GB512747A - Improvements in or relating to weight-and-height measuring apparatus : en
  • DE681635C - Method for determining the inaccuracies to be eliminated when straightening runs by means of a straightening shadow line to be generated by a light source on a ground glass : de en
  • DK56711C - Overlay radio receiver. : da en
  • FR846707A - Convertible seat : en fr
  • GB512792A - Improvements in or relating to radio receivers, transmitters and other arrangements comprising thermionic valves : en
  • DE681529C - Adjustable mold for letter casting machines : de en
  • DE681684C - Process for the production of pellets of cyclic aminosulfonic acid amides : de en
  • CA384325A - Electric insulator : en fr
  • FR846751A - Adjustment method for television : en fr
  • US2173882A - Method of treating porous materials and resulting products : en
  • US2174485A - Steam trap : en
  • DE681441C - Process for the production of esterified sulfonic acids : de en
  • CH207166A - Indoor fountain. : de en
  • FR49954E - Combination lock : en fr
  • FR846909A - Oven crucible : en fr
  • GB512728A - Improvements in servomotor brake mechanism for road vehicles : en
  • GB512801A - Improvements in bobbins : en
  • SU11824A1 - Glue drying apparatus and gelatins : en ru
  • US2174227A - Method and apparatus for coloring : en
  • CH207107A - Process for the production of casting molds and apparatus for carrying out the process. : de en
  • DE679726C - Sieve to catch kidney stones and gravel when urinating : de en
  • DE681704C - Device for illuminating hollow bodies : de en
  • FR846843A - Process for manufacturing bottle caps or the like and new caps obtained : en fr
  • US2174173A - Machine for making card clothing : en
  • US2174498A - Hydrogenation of nitroparaffins : en
  • CH207080A - Process for the production of an easily soluble derivative of cerulein. : de en
  • CH207105A - Process for sintering compacts containing metal powder. : de en
  • GB512936A - Improvements relating to internal combustion engines using pulverized solid fuel : en
  • AT157087B - Time slider. : de en
  • DE649651C - Device for producing fancy yarns : de en
  • DE681626C - Pressure regulator : de en
  • DE681701C - Electrical coupling system tunable over a frequency range : de en
  • AU108570B2 - Improvements in or relating to apparatus for producing visible images from heat rays : en
  • CA384306A - Drinking vessel washing machine : en fr
  • FR846815A - Advanced vending machine : en fr
  • FR846836A - Automatic manufacturing process for glass objects with re-entrant edges : en fr
  • DE681572C - Ring-shaped expansion of mine routes, tunnels and similar structures : de en
  • CA384280A - Tire : en fr
  • CH207090A - Firearm with an electric ignition device. : de en
  • DE681697C - Process for the production of glow phosphates : de en
  • DE681723C - Airplane with extraction system in the wing : de en
  • BE435901A - : en
  • DE681564C - Elastic pressure body for practicing the process for separating glazed hard stone pipes and the like. Like. To a desired length : de en
  • USD116896S - Design for a dress : en
  • AT157083B - A copier for machine tools, in particular for fine boring, working with a pressure medium. : de en
  • CH207114A - Device for the production of decorative patterns. : en fr
  • AT157140B - Pyrophoric lighter. : de en
  • BE435824A - : en
  • CH207113A - Razor blade. : de en
  • BE435795A - : en
  • FR846802A - Filiform shower apparatus, and similar applications : en fr
  • GB512847A - Method of producing flour or dough from wheat or other kinds of corn : en
  • CA384332A - Film and foil processing : en fr
  • DE681521C - Process for the production of therapeutically valuable gold compounds from keratin breakdown products : de en
  • DE681633C - In the separable brake pressure line of trucks that goes from the towing vehicle to the trailer vehicle : de en
  • DE681764C - Control slide with automatic return and adjustable pressure for air brakes etc. : de en
  • US2174396A - Brake mechanism : en
  • USD116903S - Design fob a dress : en
  • CA384313A - Receptacle and blank : en fr
  • AT157116B - Production of a highly refined cellulose. : de en
  • AT157106B - Process for the production of partial color separations from subtractive multicolor images. : de en
  • US2174291A - Centralized traffic controlling system for railroads : en
  • BE436032A - COLD FORMING PROCESS OF STAINLESS STEELS : en fr
  • US2173898A - Radio signal receiving system : en
  • US2174096A - Coffee urn : en
  • USRE21217E - Process for : en
  • US2173859A - Manufacture of tubes : en
  • CA384200A - Paint funnel scraper : en fr
  • CH207177A - Device for hanging the contact wire of electric railways for partial automatic retensioning of the same in straight sections. : de en
  • DK56725C - Measuring disc for use in certain area calculations. : da en
  • AT157125B - Fastening device for snap fasteners. : de en
  • USD116879S - Design for a coat : en
  • US2174222A - Mechanism for cutting sheet material : en
  • CA384274A - Combined cultivator : en fr
  • US2174409A - Brake mechanism : en
  • GB512905A - Improvements in knitting machines : en
  • CA384346A - Flock applying method : en fr
  • CH207050A - Window or door construction with a frame made of profiled sheet metal. : de en
  • CH207061A - Bookcase. : de en
  • CA384270A - Self-locking valve tappet screw : en fr
  • US2174337A - Method of making flexible valve seats : en
  • US2174423A - Dispensing mechanism : en
  • US2174427A - Means for stringing and sagging in power lines : en
  • CA384343A - Electron discharge device mount : en fr
  • CA384318A - Trash rack rake : en fr
  • GB512898A - A process for decorating asbestos-cement articles : en
  • US2174117A - Check : en
  • AT157063B - Electric discharge vessel filled with gas and at least two control electrodes. : de en
  • US2174030A - Fastening device for airplane cowls and the like : en
  • US2174365A - Blending edible fats : en
  • US2174048A - Machine for sharpening knives for plush and velvet cutting : en
  • US2173850A - Method of producing a frozen confection : en
  • US2174039A - Shaving implement : en
  • US2174335A - Cartridge filling machine : en
  • GB512717A - Improved process for printing textile and like fabrics : en
  • USD116850S - Design for a lawn mower wheel : en
  • USD116880S - Design for a lace : en
  • FR846788A - : fr
  • FR846940A - Thermostatically controlled shut-off device : en fr
  • GB512833A - Improvements in or relating to luminous electric discharge tubes : en
  • FR846928A - Apparatus for driving in broaching staples, and having a number of different and interchangeable driving punches : en fr
  • FR846902A - Improvements to rockets or mooring projectiles : en fr
  • GB512708A - Improvements in or relating to trunks : en
  • GB512885A - Improvements in and relating to gas or vapour filled electric discharge tubes : en
  • FR846709A - Apparatus for processing and preserving food : en fr
  • DE681622C - Arrangement for shifting the ignition time of a grid-controlled converter : de en
  • DK56733C - Apparatus for rinsing milk transport buckets or similar containers. : da en
  • FR846855A - Device for applying thermal treatments : en fr
  • GB512838A - Improvements in or relating to vibration dampers : en
  • DE681506C - Blowpipe equipment for steam engines and locomotives : de en
  • US2174505A - Derivatives of menthane : en
  • USD116815S - Support or similar article : en
  • DK56737C - Dice for Raffle Games. : da en
  • GB512944A - Process and apparatus for producing a carburising gas : en
  • US2174506A - Process of reacting alicyclic hydrocarbons with chlorine and sulphur dioxide and products thereof : en
  • GB512947A - Improvements relating to apparatus for unrolling, measuring, cutting and re-rolling linoleum, oilcloth and the like : en
  • DE681641C - Liquid level indicator for low-pressure tanks or boilers : de en
  • DE681653C - Two-stage piston compressor, especially for steam locomotives : de en
  • DE681656C - Process for the extraction of substances with different modes of action from leg poison : de en
  • AT157002B - Process for the artificial fertilization or infection of plants. : de en
  • FR846964A - Printing mechanism for recording machines : en fr
  • GB512945A - Vacuum-cleaner bag and method of manufacturing same : en
  • IE15698L - Moulding plastic material. : en
  • DE681524C - Water tube ship boiler : de en
  • DE681777C - Retractable segment lock : de en
  • AU351938A - An improved gas burner : en
  • AT157037B - Pump. : de en
  • USD116897S - Design for a veiling : en
  • DE681698C - Process for the production of phosphate fertilizers : de en
  • FR49960E - Control of aircraft power train control units : en fr
  • FR846790A - Safety regulating valve : en fr
  • FR846714A - Automatic draft regulator in the chimneys : en fr
  • FR846705A - Improvements to pumps : en fr
  • AT157146B - Auxiliary drive for bicycles. : de en
  • GB512816A - Improvements in or relating to atomizers : en
  • GB512761A - Improvements in or relating to electric inductors for use at high pressure : en
  • GB512963A - Improvements in or relating to metal coated articles and method of making the same : en
  • FR846927A - Improvements in cement manufacturing : en fr
  • GB512821A - Improvements relating to ink-ribbon mechanism for typewriters and like machines : en
  • GB512974A - Improvements relating to hermetic seals between metal and vitreous material : en
  • DE681755C - Arrangement for the compensation of external magnetic interference fields with cathode ray tubes : de en
  • DE681681C - Locking device for slings : de en
  • AT157016B - Method and device for producing packaging for eggs, fruits and other easily destructible products. : de en
  • CA384288A - Sifter : en fr
  • GB512723A - Improvements in the recovery of phenolic substances from aqueous liquors : en
  • FR49964E - Household waste reception and draining device : en fr
  • USD116805S - Design for a parking meter : en
  • FR846727A - Device for electrically reversing images : en fr
  • FR846809A - Electrical outlet terminal : en fr
  • GB512718A - Change-speed gear : en
  • GR8506B - GRAIN SEEDER MACHINE. : el en
  • GR8508B - METHOD OF RESPONSIBLE PRODUCTION OF BULLET REFRACTORIES AND ALL KINDS OF CERAMIC PRODUCTS AFTER A METHOD OF PRODUCTION OF HIGH TEMPERATURES AND CONSTRUCTION OR METERY. : el en
  • SU55703A1 - Device for measuring the radius of curvature : en ru
  • USD116797S - Design for a display stand or the : en
  • DE681643C - Shut-off device, in particular a blow-down valve : de en
  • DE681673C - Apparatus for cropping photographs : de en
  • US2173967A - Manufacture of shoes : en
  • USD116787S - Design for illuminated electric : en
  • CA384236A - Laminated metal panel : en fr
  • GB512860A - Improvements in or relating to electric motors : en
  • US2173934A - Shoe form : en
  • FR846897A - Blower with two-tooth rotary pistons : en fr
  • GB512884A - An improved apparatus for teaching music : en
  • DE681676C - Device for actuating the handbrake in motor vehicles : de en
  • FR846993A - Door lock : en fr
  • GB512839A - Manufacture of azo-dyestuffs and derivatives thereof : en
  • US2174424A - Liquid measuring device : en
  • US2174386A - Control system : en
  • GB512825A - Improvements in mechanism for feeding rod or bar stock material : en
  • CA384248A - Grounding switch mechanism : en fr
  • FR846756A - Instrument for determining the course on board ships : en fr
  • US2173851A - Method and apparatus for increasing the sharpness of tuning : en
  • US2174330A - Apparatus for gunnery calculators : en
  • DE681686C - Process for the preparation of sulfonic acid amide compounds : de en
  • US2174191A - Automatic transmission : en
  • DE681579C - Machine for printing bottles or the like. : de en
  • GB512924A - Improvements in and relating to rotary duplicators : en
  • US2174339A - Web controlling mechanism for projectors : en
  • DE681672C - Method for monitoring the conformity of the identifications of the sheet films and the tabs of a film pack when these film pack parts are glued together : de en
  • FR846786A - Radioactive container : en fr
  • DE681649C - Stand lamp with a stand consisting of telescoping parts : de en
  • US2173979A - Combined flow regulator and faucet : en
  • US2174054A - Fuel supply apparatus : en
  • DE681566C - Centrifugal machine with folding hood : de en
  • FR846800A - Machine for straightening the surfaces of metal or other parts : en fr
  • US2174214A - Nozzle wiping device : en
  • US2174289A - Dielectric diluent : en
  • DE681312C - Method and device for producing parallax-free raster kinematographic images : de en
  • FR846719A - Sparking wheel, with figurine, and forming toy : en fr
  • GB512886A - Improvements in cyclone separators : en
  • FR846932A - Elastic sealing device between a piston and a cylinder : en fr
  • FR846966A - Improvements to electric accumulators : en fr
  • DE681759C - Tillage equipment : de en
  • GB512876A - Improvements relating to drafting machines : en
  • FR846764A - Blade lifting device for weaving looms : en fr
  • US2174460A - Production of threads : en
  • US2174487A - Self-energized alternating current multiplier : en
  • DE681736C - Protective bandage for underground pipelines : de en
  • US2174032A - Air compressor and the like : en
  • US2174483A - Transmission : en
  • DK56730C - Sign composed of carved Letters, Signs or Numbers. : da en
  • FR846808A - Improvement in the relative arrangement of frames, engines and propellers on board an aircraft : en fr
  • USD116877S - Design fob a dress : en
  • FR846920A - Electric torque transformer : en fr
  • FR846972A - Method and device for the manufacture of thermoplastic artificial resins for dental prosthesis : en fr
  • USD116885S - Design for a sports jacket : en
  • US2174127A - Sulphated acyloins and process of producing them : en
  • DE681574C - Purification of carbon disulfide : de en
  • DE681655C - Device for measuring buckling of legs and feet : de en
  • FI18604A - Cell pump with circulating water : en fi
  • CA384281A - Resilient coupling : en fr
  • CH207146A - Arrangement with a Brunswick tube with high vacuum, especially for television purposes. : de en
  • US2173873A - Separable drive for printing presses : en
  • US2173994A - Microphone : en
  • CH207059A - Process for the manufacture of tempered glass articles. : de en
  • US2174229A - Device for connecting the shoe of a rail to a carrier of concrete or the like : en
  • US2174174A - Process for treating gasoline distillates : en
  • US2174252A - Vehicle guard : en
  • US2173819A - Compressor shut-off valve : en
  • FR49920E - Improvements to filter devices for vacuum cleaning devices : en fr
  • US2174169A - Centrifugal separator : en
  • US2174326A - Hen's nest : en
  • US2173958A - Insole-covering machine : en
  • USD116870S - Design for a rug : en
  • US2174279A - Double window construction : en
  • US2174138A - Powder-feeding device : en
  • FR846952A - Commonly used fabric articles suitable for advertising foreign trade and for orienting tourists : en fr
  • GB512793A - Improvements in or relating to railway indicators : en
  • GB512822A - Improvements relating to machinery guards : en
  • US2174249A - Venetian blind : en
  • GB512909A - Improved means for driving pumps from motor road vehicles : en
  • FR846867A - : fr
  • FR846917A - Electrical signaling systems : en fr
  • SU55552A1 - The method of obtaining rubber vulcanizers : en ru
  • US2174418A - Engine cooling means : en
  • CA384243A - Cathode ray tube oscillograph apparatus : en fr
  • US2173871A - Collapsible insulating casing : en
  • US2174021A - Method of and apparatus for testing lubricating oils : en
  • DE681724C - Control of aircraft using movable wing tips : de en
  • DE681654C - Idle control device for with negative pressure as a closing force for the automatic suction valve working piston compressor : de en
  • US2173943A - Brake valve handle : en
  • US2174231A - Vehicle door lock : en
  • US2174482A - Method of operating a compression refrigeration system : en
  • USD116848S - Design for a roller supporting arm : en
  • US2174016A - Direction finder : en
  • FR846782A - New hydrophilic cotton and its manufacturing process : en fr
  • US2173824A - Composition for printing textile fibers : en
  • US2174352A - Track point lock for railways : en
  • US2174034A - Educational game : en
  • SU55805A1 - Device for the continuous cooking of raw materials in the alcohol industry : en ru
  • US2174006A - Signaling system : en
  • US2174228A - Funnel : en
  • USD116868S - Design for a wheelbarrow : en
  • DE681600C - Injection internal combustion engine : de en
  • FR846827A - Precision stamping device for affixing signs, designs, etc., and for tracing hatches on maps or other documents : en fr
  • GB512925A - Improved mechanism for raising and lowering and fixing windows of vehicles : en
  • DE681775C - Schaelschleuder : de en
  • FI18616A - The way to make insulation mass for construction purposes : en fi
  • US2174149A - Buffing wheel : en
  • FR846896A - Improvements to materials for electrical insulation : en fr
  • IE15945L - Magnetic separators : en
  • FR846720A - Nitro dyes of the azine series and process for their preparation : en fr
  • US2174007A - Closure inspecting device : en
  • US2174368A - Method of treating alloys : en
  • AT157059B - Plug for plug contacts, especially for use in traffic light systems in hotels, hospitals or the like. : de en
  • US2174190A - Paper roll dispenser : en
  • US2174387A - Garment spotting machine : en
  • US2173900A - Operating mechanism for closures for moving stairway wellway openings : en
  • USD116862S - Design for a milk bottle : en
  • CH207137A - Disinfecting method. : de en
  • AT157100B - Sewage treatment plant. : de en
  • CH207096A - Watch with axially movable winding crown. : de en
  • US2173892A - Machine for applying labels : en
  • USD116830S - Design for an electric power drive : en
  • US2174251A - Heater : en
  • CA384241A - Photographic emulsion : en fr
  • DE681554C - Direction indicators in connection with a phonetic sign, especially for bicycles and motorcycles : de en
  • FR846718A - Sparking toy airplane : en fr
  • DE681778C - Circular loom : de en
  • DE681785C - Showcase attached to the front wall of conveyor wagons to hold the coal brands : de en
  • CA384215A - Fur and fabric whipping machine : en fr
  • US2173938A - Rail sanding device : en
  • USD116905S - Design fob a dress : en
  • CH207158A - Tires for vehicles. : de en
  • US2173826A - Making calcium metaphosphate fertilizer : en
  • US2173868A - Cutter and blade therefor : en
  • US2174455A - Ice pack : en
  • US2174115A - Tubing make-up device : en
  • CA384275A - Electron gun : en fr
  • CA384311A - Canopy door : en fr
  • DK56724C - Procedure for the production of vulcanised, rubber, hard rubber or ebonite sheet material. : da en
  • BE435782A - : en
  • CA384197A - Finned tubing manufacture : en fr
  • AU405438A - Floating carrier wave communication system : en
  • DE681552C - Internal shoe brake for motor vehicles : de en
  • US2174299A - Combined refrigerating and water : en
  • BE436118A - : en
  • AT157147B - Tobacco feeding device for cigar machines. : de en
  • US2173856A - Transmission : en
  • US2174347A - Stove : en
  • CA384253A - Circuit breaker mechanism : en fr
  • USD116891S - Design fob a coat : en
  • US2174164A - Plastic compound : en
  • US2174399A - Brake mechanism : en
  • CH207100A - Milling device for milling the regulating screws of balance. : de en
  • CH207106A - Process for operating foundry shaft furnaces. : de en
  • CH207056A - Lock. : de en
  • AT157022B - Backpack. : de en
  • SU55744A1 - Air cooler for low air temperatures with ammonia : en ru
  • US2174493A - Automotive vehicle : en
  • US2173840A - Method of and apparatus for trans-ferring thread or the like : en
  • US2173950A - Lockable caster assembly : en
  • US2174020A - Moving picture apparatus : en
  • DE681651C - Metal vapor converter, in particular mercury vapor glass rectifier, with a cooling air shaft axially penetrating the discharge vessel : de en
  • DE681734C - Electrically heated steam sterilizer : de en
  • CH207128A - Air switch with spark horns. : de en
  • US2174300A - Refrigeration : en
  • US2174259A - Motor clutch and transmission mechanism : en
  • US2174162A - Electron multiplier : en
  • GB512922A - Improvement relating to folding camp-stools and tables : en
  • DE681725C - Device to facilitate door closing on car bodies : de en
  • US2174489A - Wire stretcher : en
  • FR846779A - New hinged mold system : en fr
  • US2173817A - Hydraulic drive mechanism : en
  • FR49972E - Process for extracting glycerin from liquid distillery residues : en fr
  • CA384263A - Container closure making apparatus : en fr
  • AT157053B - High-frequency induction coil with a multi-part core made of magnetizable material in the manner of earth cores that surrounds the coil winding on all sides. : de en
  • CH207092A - Projectile, especially hand grenade. : de en
  • DE681659C - Gawash bottle : de en
  • DE681708C - Plasticizers for film formers containing halogens : de en
  • AT157077B - Process for generating high filling gas pressures in electric incandescent lamps and discharge lamps. : de en
  • CA384256A - Circuit breaker : en fr
  • US2174130A - Hair clipper : en
  • US2174131A - Sulphated alkoxy cyclohexanols and process of producing them : en
  • CH207143A - Radio receiver. : de en
  • CA384258A - Disconnecting switch : en fr
  • CA384299A - Soldering iron tip : en fr
  • US2173972A - Tie band : en
  • USD116893S - Design for a textile fabric or : en
  • AT157072B - Transmitter for wide frequency bands. : de en
  • SU55700A1 - Machine for trimming the planes of measuring brackets : en ru
  • SU55556A1 - Germanium production method : en ru
  • CA384339A - Magnetron oscillation generator : en fr
  • US2174469A - Glass-cutting guide : en
  • US2174081A - Distributor head assembly : en
  • US2174319A - Molding of thermoplastic materials : en
  • US2174459A - Multiple clamp : en
  • SU55743A1 - Drill with soil sampling tool : en ru
  • US2173846A - Ski clip : en
  • FR49955E - Process for the preparation of a phosphorus nitride and industrial applications of this nitride : en fr
  • US2174069A - Alkylated chloro-aromatic hydrocarbon mixtures : en
  • US2174273A - Automatic phonograph : en
  • AU108574B2 - An improved gas burner : en
  • FR846880A - Chassis intended for t. s. f. or other similar devices : en fr
  • AT157139B - Clip strips for closing packaging bags and process for their production. : de en
  • US2173917A - Display rack : en
  • US2173923A - Cathode ray tube : en
  • US2174064A - Line-spacing mechanism : en
  • US2174153A - Automatic check valve : en
  • US2174499A - Truck sleeper : en
  • US2173839A - Inker mechanism : en
  • USD116867S - Design for a cup hook : en
  • DE681119C - Conical insert body for pre-chamber diesel engines, especially high-speed pre-chamber diesel engines : de en
  • DE681768C - Process for the production of paper containing fillers, in particular printing or art paper : de en
  • BE436245A - : en
  • USD116796S - Design fob a casing fob heateb ob : en
  • US2174080A - Crushing tool : en
  • CH207147A - Installation of road traffic control at the intersection of several arteries. : en fr
  • US2173977A - Purification of tannin extract : en
  • AT157079B - Self-induction coil with high frequency iron core. : de en
  • AT157132B - Irrigation device. : de en
  • DE681502C - Dispensing device for containers stored in the ground for liquid fuels with a boiling point below 0Ò : de en
  • DE681670C - Process for the production of animal feed : de en
  • GB512883A - Improvements in circular knitting machines for producing knitted elastic fabrics : en
  • US2174182A - Vat-dyestuffs of the phthaloyl-carbazole series containing trifluoromethyl groups : en
  • AT157021B - Hair curler. : de en
  • AT157144B - Key for typesetting machines, calculating machines, typewriters, cash registers, etc. like : de en
  • CA384319A - Tup force measuring apparatus : en fr
  • US2173857A - Control valve and converting system : en
  • DE681557C - Wolf-like meat cutting machine : de en
  • DE681500C - Method for processing the ends of drain pipes made of ceramic material or the like. : de en
  • CH207139A - Protective coat intended for use in hairdressing or medical treatment. : de en
  • US2173920A - Azo dyestuff and process for making same : en
  • US2174116A - Stone crusher : en
  • US2173891A - Pick-off device : en
  • DE681618C - Method and device for the production of arches with changing radius of curvature and profile : de en
  • US2174445A - Bath : en
  • AT157137B - Device for changing the gear ratio in vehicle brakes. : de en
  • DE681553C - Hydraulic brake device for trailers of motor vehicles with several brake groups : de en
  • DE681687C - Devices for monitoring the tight seal of boiler blowdown devices : de en
  • USD116858S - Design for a dispensing closure : en
  • USD116875S - Design for a scarf or similar : en
  • US2174401A - Vehicle brake : en
  • US2174395A - Brake mechanism : en
  • DE681532C - Fastening device for the support frame of installation devices on flush-mounted boxes : de en
  • DE681688C - Process for generating force using steam : de en
  • US2174055A - Safety cut-off device for fuel supply lines : en
  • AT157142B - Scythe fastening device. : de en
  • FR846911A - Roller rail for industrial heating furnaces : en fr
  • US2174103A - Slip handle : en
  • US2174215A - Decatizing fabrics : en
  • US2174394A - Method of building : en
  • USD116889S - Design for a dress : en
  • AT157028B - Reversible handbag that can be extended in one plane. : de en
  • CA384211A - Furnace lining : en fr
  • USD116826S - Design for a doll : en
  • USD116817S - Design for drawers or similar : en
  • USRE21220E - Basket liner or the like : en
  • GB512896A - Improvements in or relating to tubular heat exchangers for fluids : en
  • AT157051B - Four-stroke internal combustion engine with a compressor driven by an exhaust gas turbine and used to convey the scavenging and charge air. : de en
  • US2174333A - Heating system : en
  • CA384259A - Motor control system : en fr
  • AU112628B2 - Improvements in dynamos for lighting bicycles : en
  • US2173985A - Thin babbitt bearing : en
  • US2174046A - Protective shield for furniture : en
  • USD116804S - Design for a merchandise display : en
  • DE681531C - Process for the production of electrical sector cables from non-pre-twisted cores provided with wound insulation : de en
  • GB512782A - Improvements in means for controlling the temperature of superheated steam in a steam generator : en
  • DE681584C - Device for laying electrical cables in underground protective pipes : de en
  • CA384285A - Hearse flower basket bracket : en fr
  • US2173843A - Container reclosure : en
  • US2174105A - Resilient coupling for tubing : en
  • US2174111A - Method of reacting aromatic hydrocarbons : en
  • BE435957A - : en
  • CA384210A - Engine charging and scavenging means : en fr
  • AU108534B2 - Improved draught arrangement for tractors : en
  • US2173907A - Automatic frequency control circuits : en
  • US2174107A - Radio cabinet and apparatus : en
  • US2174414A - Temperature regulated tuning fork : en
  • US2174439A - Machine for and method of knitting fabric : en
  • US2174089A - Mixing apparatus : en
  • US2174441A - Sash bar : en
  • USD116816S - Design for a meat hook : en
  • US2174343A - Method and apparatus for electrical exploration of subsurfaces : en
  • DE681691C - A spring-loaded gas valve that can be opened from the outside and arranged in a gas chamber : de en
  • US2174436A - Pile : en
  • AU402538A - Improved dielectric for insulating couplings : en
  • US2173862A - Jaw crusher mechanism : en
  • US2173948A - Resistance unit for spot and flood lamps : en
  • US2174238A - Manufacture of ammonium nitrate : en
  • US2174415A - Rock drilling rig : en
  • AT157039B - Friction clutch. : de en
  • AT157080B - Electrical conductor with insulation and process for its manufacture. : de en
  • CA384282A - Flexible coupling : en fr
  • BE435894A - : en
  • US2174348A - Apparatus for the automatic unclogging of hoppers : en
  • AT157042B - Two-stroke internal combustion engine. : de en
  • SU55550A1 - The method of obtaining drying oil from non-drying and bad drying oils : en ru
  • US2173953A - Holding device : en
  • US2174063A - Trailer : en
  • US2174408A - Brake mechanism : en
  • BE436177A - : fr
  • CA384244A - Electric insulator : en fr
  • AT157123B - Tube. : de en
  • AU108557B2 - Improved water vaporizer for air cooled condensers or coolers : en
  • AU438539A - Aircraft course indicating system : en
  • FR846749A - Scraper to cover the seed deposited on the ground : en fr
  • DE681526C - Signaling device of a die setting and line casting machine for collecting die bars hanging on wires : de en
  • DE681769C - Gear change and reversing gears, especially for motor vehicles : de en
  • US2174297A - Unitary electrical system for sewing machines : en
  • BE435790A - : en
  • CH207165A - Mixing, beating and stirring machine. : de en fr
  • GB512776A - Improvements in and relating to connecting rods : en
  • GB512920A - Improvements in or relating to automatic controls for water-gas production plants : en
  • DE681525C - Conveyor device with a sliding stop of a die setting and line casting machine with die bars hanging on wires : de en
  • FR846986A - Improvements to hydraulic couplings : en fr
  • AT157086B - Process for the production of the car body for strollers, dolls prams and the like. like : de en
  • AT157054B - Electron tube with built-in capacitor. : de en
  • BE435780A - Method and apparatus for welding metal containers : en fr
  • USD116847S - Design for a lawn mower : en
  • FR846930A - Coupling device for valves, pistons and the like arranged in substantially aligned positions : en fr
  • CA384267A - Hydrostatic brake : en fr
  • CH207074A - Vacuum cleaner. : de en
  • CH207172A - Electric rapid regulator device. : de en
  • CA384345A - Oil burner : en fr
  • DE681692C - Device for the silting up of rock dust during rock drilling work : de en
  • DK56734C - Machine for Manufacturing and Attaching Bottle Capsules. : da en
  • FR49925E - Air mine for defense against aircraft : en fr
  • GB512958A - Improvements relating to electrically heated utensils : en
  • AT157023B - Suspended dome of a circular or oval shape. : de en
  • US2173906A - Discharge tube : en
  • DE681606C - Finger protection device on presses : de en
  • US2173820A - Electric terminal : en
  • US2174033A - Concealed hinge and reinforcement : en
  • US2174321A - Jack : en
  • DE681690C - Device for setting the pressing pressure on high-speed cylinder presses : de en
  • US2174203A - System for producing a pulsating circulation in apparatus containing gas evolving products : en
  • US2174243A - Brake : en
  • CH207111A - Centrifugal device for granular material, for cleaning and descaling systems. : de en
  • DE681585C - Loetoese or rivet socket with pole lug : de en
  • DE681614C - Device for forming equally large portions of cut tobacco : de en
  • FR846849A - Electrical signaling systems : en fr
  • AU446538A - An improved scarifier : en
  • CH207086A - Sharpening device for drawing pens. : de en
  • CH207161A - Step switch with forward and reverse drive, in particular for electric traction vehicles. : de en
  • FR846863A - Pressure gauge with barometric and thermometric corrections : en fr
  • US2174003A - Optical device : en
  • US2174422A - Flap control mechanism : en
  • FR846878A - Improvements made to mechanisms to transform a circular movement into reciprocating rectilinear movement, in particular those for piston pumps : en fr
  • GB512707A - Improvements in stiffening materials for stiffening parts of shoes : en
  • USD116846S - Design for a lawn mower : en
  • DE681737C - Process for the rapid production of photographic images on halogenated silver developing layers : de en
  • GB512769A - Improvements in infinitely variable gears : en
  • GB512875A - Improvements relating to glass fibres : en
  • FR846755A - Manufacturing process of various lead-based compounds : en fr
  • GB512746A - Improvements in or relating to control garments : en
  • GB512808A - Improvements in and relating to paper-making machines : en
  • FR846763A - Blade lifting device for weaving looms : en fr
  • CH207173A - Safety device on single-chamber brakes on trailer vehicles. : de en
  • DE681648C - Gas switch with arc extinguishing by flowing gases and vapors : de en
  • FR846721A - vacuum drying oven : en fr
  • FR846828A - Compressor, particularly intended for supplying an engine with a gasifier : en fr
  • US2174040A - Highway construction : en
  • GB512854A - Improvements in and relating to syphon flushing apparatus : en
  • DE681634C - Two-jaw internal brake, especially for motor vehicles : de en
  • FR846934A - Stereophotogrammetric interpretation device : en fr
  • FR846711A - Process for controlling the action of a rotating member such as a propeller and propeller according to this process : en fr
  • GB512812A - Improvements in or relating to devices for mounting mirrors, lamps and other articles more particularly upon road and other vehicles : en
  • GB512893A - An improved means for gripping, anchoring or joining ropes : en
  • CA384235A - Lifting jack screw and nut : en fr
  • US2174383A - Electric plug : en
  • FR846973A - Device for discharging liquids from a tank mounted in an airplane : en fr
  • FR846816A - Heat-insulating jacket for bottles : en fr
  • GB512784A - Improvements in and relating to control gear for electric motors : en
  • DE681562C - Testing device for pneumatic fire alarms : de en
  • DE681784C - Collecting device for a mixed set of a die setting and line casting machine with die bars hanging on wires : de en
  • FR49988E - Electromagnetically actuated leaf clutch : en fr
  • FR846962A - Process for manufacturing high pressure tanks : en fr
  • DE681580C - Monitoring and control device for drying paper or fabric webs or the items to be dried moving on webs, in particular for drying gravure paper webs : de en
  • DE681705C - Automatic differential pressure regulator : de en
  • DE681739C - Raincoat made of water-repellent paper : de en
  • FR846822A - Device for pumping viscous or pasty materials : en fr
  • GB512955A - Improvements in and relating to vehicle head lamps : en
  • GB512759A - Improvements in or relating to zinc alloys : en
  • GB512901A - Improvements in or relating to coin controlled devices : en
  • US2174404A - Brake mechanism : en
  • USD116802S - Design for a framed monogram unit : en
  • GB512836A - Improvements in or relating to electric switches suitable for operation by the passage of road vehicles : en
  • DE681515C - Device for generating an intermittent pulsating current with a very long oscillation period : de en
  • FR846770A - Electrical control of centrifuges and similar apparatus, intended in particular for workshops using explosives : en fr
  • GB512965A - Improvements in seals for rotating shafts : en
  • FR846926A - Pulse direction finder : en fr
  • FR846967A - Device for adjusting the ignition instant of a static discharge arc converter : en fr
  • DK56721C - Adhesive Procedure. : da en
  • GB512921A - Improvements in or relating to boot or shoe lasting machines : en
  • US2173854A - Envelope making machine : en
  • FR846722A - Improvements to landing devices for aerial locomotion vehicles : en fr
  • US2173918A - Multiple beam radio beacon : en
  • FR846873A - Improvements in leather dyeing machines : en fr
  • GB512927A - Improvements in the fulling of textile materials : en
  • FR846762A - Removable packing box : en fr
  • IE15448L - Sealing conductors through vitreous envelopes : en
  • GB512774A - Improvements in and relating to electric plugs : en
  • DE674441C - Time correction device for clocks : de en
  • DE681587C - Cable termination with two-part end cap : de en
  • FR49957E - Improvements to liquid stopper ball valves : en fr
  • US2174087A - Vehicle wheel : en
  • GB512931A - Improvements in or relating to prepayment meter mechanism : en
  • GB512972A - Improvements in filters : en
  • CH207129A - Switchgear. : de en
  • US2174250A - Ice-surfacing mechanism : en
  • US2174470A - Control mechanism : en
  • US2173833A - Abrasive article and its manufacture : en
  • US2174008A - Distillation of amines from reduction masses : en
  • US2174043A - Elevator control mechanism : en
  • US2174216A - Vibration dampening apparatus : en
  • CH207088A - Device for maintaining the curvature of the tips of skis while they are being stored. : de en
  • US2174091A - Method of making plaster-ground fabric : en
  • US2174457A - Strip punching mechanism : en
  • US2174004A - Shutter type feed opening for developer batteries : en
  • USD116878S - Design for a hinge : en
  • BE436185A - : en
  • CA384314A - Receptacle making apparatus : en fr
  • GB512844A - Manufacture of azo-dyestuffs insoluble in water : en
  • GB512709A - Improvements in gear transmissions for radial-cylinder internal combustion engines : en
  • GB512969A - Method of photographic development to a predetermined value of contrast : en
  • US2174426A - Automatic adjusting device : en
  • FR49990E - Tying pliers : en fr
  • US2174212A - Head for golf clubs : en
  • US2174199A - Heelplate : en
  • US2174079A - Heating device : en
  • IE15760L - Treatment of jute yarn : en
  • US2173848A - Cutter and blade therefor : en
  • US2174225A - Stabilizing device : en
  • FI18600A - Ångalstrare : en fi
  • FR846789A - Treatment of water or other liquids by circulation of a gas phase then extracted under vacuum : en fr
  • GB512926A - Improvements in wrappers for needles or the like : en
  • FR49984E - Improvements to welded reinforcing elements for ships, or for steel constructions, or both : en fr
  • DE681669C - Process for the production of a dry product suitable as animal feed from greaves resulting from the wet melting of animal fats : de en
  • USD116837S - Design for a flexible pocket : en
  • DE681598C - Grain harvester : de en
  • DE681746C - Process and system for obtaining fuel from peat : de en
  • DE681607C - Piston pump with suction slots : de en
  • US2173896A - Blower cooling means for air cooled engines : en
  • US2174462A - Shoe upper shaping machine : en
  • US2174262A - Method of making bearings : en
  • GB512849A - Improvements in apparatus for spraying workpieces with a short-fibre coating material : en
  • GB512977A - Improvements in or relating to machines for the manufacture of knitted and woven goods : en
  • SU11864A1 - Electric meter : en ru
  • FI18612A - Continuous process for the production of artificial ring sausage casings from plastically moldable pulps of animal origin and the equipment used for the process : en fi
  • AU472738A - Improvement in bandpass selector : en
  • AT157107B - Gas generators, in particular for vehicles, for the combustion of low-tar fuels with an ascending gasification draft. : de en
  • US2174314A - Rotary impact tool : en
  • US2174340A - Seat post : en
  • US2174369A - Brake hanger : en
  • US2174332A - Sewer trap : en
  • DE681772C - Stretching frame for paper, canvas or the like. : de en
  • GB512832A - Improvements in or relating to capping heads for bottle capping machines : en
  • GB512863A - Polarizing bodies : en
  • FR846956A - : fr
  • DE681630C - Self-venting Schlaegermuehle : de en
  • AT157124B - Hammer mill. : de en
  • GB512862A - Improvements in or relating to sliding clasp fasteners : en
  • GB512938A - Improvements in and relating to electric motor control systems : en
  • FR846892A - Drive shaft for motorcycles with cardan drive and rear wheel spring suspension : en fr
  • FR846826A - Device for preparing aperitifs and liqueurs on the table : en fr
  • GB512714A - Method of producing thermoplastic die castings : en
  • US2174452A - Vibratory pressure device : en
  • FI18613A - Instrument for writing in the dark : en fi
  • FR846893A - Manufacturing process of endless fiber stretch tape : en fr
  • CA384293A - Diaper : en fr
  • US2174066A - Process for sintering or calcining raw materials : en
  • FR846918A - Devices with asymmetric conductivity : en fr
  • GB512757A - Improvements in or relating to cooking ranges : en
  • GB512879A - Improvements in the manufacture of hardened rails : en
  • CA384317A - Olefine isomerization : en fr
  • CH207065A - Clamping device for rotor rings of ring spinning and ring twisting machines. : de en
  • GB512819A - Improvements in automatically-acting relief valves : en
  • US2173970A - Receptacle : en
  • GB512855A - Improvements in or relating to television and like systems : en
  • FR846958A - Process for the transformation of liquid hydrocarbons into dry gas capable of high compression : en fr
  • FR846888A - Improvements to the advanced heating devices of temperature-dependent resistors, and in particular, of the cathodes of emission lamps by means of controlled gate rectifiers : en fr
  • FR846943A - Cardan joint : en fr
  • CA384239A - Electrical socket : en fr
  • CA384260A - Grounding switch : en fr
  • US2174160A - Bridge top stop fob separable : en
  • SU55554A1 - Astrakhanite decomposition method by water : en ru
  • US2174147A - Means for treating liquids and gases : en
  • CH207049A - Poured concrete ceiling with the remaining mold. : de en
  • DE681663C - Shaft seal : de en
  • DE681610C - Electromagnetic clutch, especially for gearboxes in motor vehicles : de en
  • DE681786C - Remote signaling cable influenced by neighboring power lines, in which individual remote signaling circuits are branched off on the affected cable route : de en
  • GB512756A - Process for stimulating the growth of plants : en
  • SU11087A1 - Underground Gallery Machine : en ru
  • US2173984A - Apparatus and process for catalytic reactions : en
  • US2174093A - Rack for glass coffee brewers : en
  • US2174201A - Filing system : en
  • USD116792S - Design for a flexible pocket : en
  • FI18614A - Förfaringssätt för framställning av garn av klibbämnehaltiga växtfibrer : en fi
  • US2173939A - Luminous advertising device : en
  • US2174165A - Alternating current wave production : en
  • GB512813A - Improvements in or relating to the induction systems of internal-combustion engines : en
  • US2174496A - Wringer : en
  • FR846745A - Cutting cylinder for making soap flakes : en fr
  • USD116871S - Design fob a dry shaver casing : en
  • US2174146A - Grinding machine : en
  • US2174350A - Three-dimension radio-bearing indicator : en
  • US2174372A - Dyking fibrous materials with tat : en
  • DK56735C - Adjusting device for Vessel propellers with rotating blades. : da en
  • GB512724A - Improvements relating to electric motor controllers in electrically propelled vehicles : en
  • DE681780C - Middle shot guard for looms with storage device : de en
  • US2173893A - Windshield defroster and body ventilator : en
  • US2174101A - Control system for engine starting means : en
  • DE681730C - Process for the production of extracts containing vitamin A from fish oils, especially fish liver oils : de en
  • FR846814A - : fr
  • US2174072A - Dyestuffs of the anthraquinone oxazole series : en
  • US2174276A - Control apparatus : en
  • US2174157A - Cellular box : en
  • US2174309A - Centrifugal governor : en
  • FR49991E - Assembly for modulator-controlled welding machines : en fr
  • FR846872A - Automatic circuit breaker for indoor installations, comprising ferromagnetic parts placed in the interrupting chamber : en fr
  • FR846883A - : fr
  • GB512952A - Improvements in or relating to note clips : en
  • IE15495L - Electric discharge device electrodes : en
  • CA384336A - Cyanine dye : en fr
  • US2174119A - Belt drive : en
  • US2174405A - Brake mechanism : en
  • FR846976A - Toy or advertising item such as a glider plane : en fr
  • DE681592C - Adjustable seat and deck chair : de en
  • DE681776C - Sole seal for weirs : de en
  • CH207121A - Arrangement for generating periodically variable multiphase voltages. : de en
  • DE681504C - Habann tube arrangement : de en
  • FR846985A - Process for obtaining very adherent metal layers on objects made of aluminum or aluminum-based alloys : en fr
  • US2174195A - Rolling mill : en
  • USD116810S - Design for a combined tank, bowl : en
  • US2174265A - Apparatus for reclaiming used lubricating oil : en
  • USD116795S - Design for a heating stove : en
  • US2173867A - Locomotive and truck structure : en
  • US2174075A - Oil seal : en
  • US2173995A - Antisagging support for bathtubs : en
  • CA384321A - Phonograph repeating, charting and projecting mechanism : en fr
  • CH207064A - Spinning device. : de en
  • CA384233A - Gear shifting mechanism : en fr
  • CH207079A - Process for the preparation of alkylated aromatic hydrocarbons. : en fr
  • US2174038A - Heat exchange structure : en
  • US2174380A - Method of making elastic fluid turbines : en
  • US2173960A - Filter structure for vacuum cleaners : en
  • US2174275A - Control apparatus : en
  • AT157128B - Ski binding. : de en
  • CH207115A - Device for applying paint to wooden surfaces. : de en
  • CA384305A - Cardboard box : en fr
  • US2173869A - Booster system for ignition circuits : en
  • US2173835A - Metallic article and its manufacture : en
  • US2174202A - Fireworks : en
  • FR49951E - : fr
  • AT157013B - Pipe socket for metal pipe scaffolding. : de en
  • US2173980A - Lasting machine : en
  • AT157090B - Process for the production of pure magnesium compounds, especially magnesium oxide. : de en
  • US2174456A - Electrical circuit for communication systems : en
  • AU415138A - Improvements in delivery waggons : en
  • CH207118A - Flat rubber belt with layers of cotton fabric. : de en
  • FR846859A - Resinous compositions : en fr
  • IE15669L - Vitamin c preparation : en
  • US2174124A - Display hydrator cabinet : en
  • USD116894S - Design for a textile fabric or : en
  • AT157115B - Security paper. : de en
  • CH207174A - Device for producing anti-skid agents on motor vehicle tires. : de en
  • FR49942E - : fr
  • CH207112A - Device for placing the blades on safety razors. : de en
  • CH207156A - Wagon wheel. : de en
  • US2174277A - Automatic draft regulator : en
  • SU55510A1 - Cross rolling method : en ru
  • US2174318A - Unit tank heater : en
  • USD116864S - Design for a bottle : en
  • AT157048B - Sheet metal heat exchange package. : de en
  • AT157109B - Process for the dehydration of imidazolines or hydropyrimidines. : de en
  • USRE21214E - Cooking utensil : en
  • US2174442A - Electrical convenience outlet : en
  • BE435694A - Zinc ores preparation process : en fr
  • CH207102A - Hard metal alloy. : de en
  • CH207141A - Company management. : de en
  • CH207160A - Spring and adjusting device for switches that can be converted into a tongue safety device. : de en
  • US2174256A - Beverage mixer : en
  • BE436136A - : fr
  • US2173888A - Electronic musical instrument : en
  • US2174158A - Phosphoric acid purification : en
  • FR846717A - Process for the production of cellulose esters : en fr
  • DE681750C - Process for controllable cooling of glow ovens : de en
  • GB512770A - Improvements in or relating to differential mechanism : en
  • CA384202A - Record card reading and analyzing device : en fr
  • GB512789A - Improvements in or relating to the control of the harmonics in polyphase alternating current systems : en
  • AT157141B - Rubber springs, in particular for cushioning motor vehicles. : de en
  • SU11654A1 - Device for automatic or semi-automatic telephony using selectors : en ru
  • US2173965A - Protector mechanism for looms : en
  • US2173974A - Individual springing : en
  • US2173982A - Work support for leather working machines : en
  • USD116861S - Design for a milk bottle : en
  • CA384300A - Salt of aryl-substituted amino alcohol : en fr
  • CH207127A - Electric gas switch. : de en
  • CA384261A - Refrigerating apparatus : en fr
  • AT157084B - Pallet anchor for clockwork. : de en
  • AT157098B - Process for the production of metallic phthalocyanines. : de en
  • US2174022A - Method of producing belting : en
  • US2174186A - Air conditioning apparatus : en
  • DE681702C - Insulating base with slot terminals : de en
  • FI18597A - Förfaringssätt förfering av flermotorig drift av pappersmaskiner, varvid en torkningsgrupps drivmotor vid normal drift hotnar ledarstorheten för regulation with de övriga delmotorerna : en fi
  • DE681595C - Method and device for recovering fibers from fibrous rubber material : de en
  • DE681748C - Machine for printing curved workpieces by means of a transfer roller : de en
  • CA384237A - Incandescent lamp : en fr
  • USD116874S - Design for a dress : en
  • US2174397A - Brake mechanism : en
  • US2174302A - Combined refrigerating and water : en
  • USD116907S - Design for a crib robe : en
  • DE681683C - Weft cutting scissors for looms : de en
  • US2173990A - Vacuum matrix control : en
  • DE681609C - Braking device acting on the towing vehicle when the trailer hits the trailer : de en
  • CH207083A - Vertical type classifier. : en it
  • US2174433A - Switch mechanism for a multiple coil solenoid : en
  • US2174341A - Bottle sterilizer : en
  • US2173978A - Oil filtering medium and method of preparing the same : en
  • DE681696C - Process for the stabilization of tetraethyl lead and anti-knocking agent mixtures containing tetraethyl lead : de en
  • DK56712C - Transformer coupling for the transmission of very wide frequency bands to television transmitters and receivers. : da en
  • CA384301A - Fluid flow control : en fr
  • AT157114B - Blueprint method. : de en
  • FR846856A - Manufacturing process of diphenylamine : en fr
  • DE681719C - Material for welding rods for the production of non-hardenable, fine-grained and stretchable welding on objects made of ferritic chrome steels : de en
  • AT157001B - Amplifier circuit. : de en
  • CH207085A - Photographic process for making sets of partial color copies of multicolor images. : de en
  • DE681773C - Roller skate with barrel-shaped roller bodies : de en
  • FR49969E - Improvements to cooling containers for butter or other similar substances : en fr
  • GB512935A - Improvements in and relating to means for loading or handling bricks and the like goods : en
  • CH207048A - Fruit picker. : en fr
  • USD116849S - Design for a lawn mower housing : en
  • US2174246A - Method for producing wax modifying agents : en
  • DK56713C - Drying element, Wrapping capacitor and other electrical appliances placed in Cups moisture-proof. : da en
  • DK56716C - Multi-pole Socket for Remote Control Cables, Remote Control Cables and Connection Accessories. : da en
  • FR49973E - Advanced training in control and adjustment devices for variable speed and torque machines : en fr
  • FR846773A - Shut-off valve for superheated steam lines : en fr
  • USD116814S - Design for a slipper : en
  • US2173860A - Packaging machine : en
  • US2173908A - Temperature compensated high-q lines or circuits : en
  • US2174497A - Unhairing process : en
  • DE681596C - Coin checker for self cashers : de en
  • US2173933A - Shoe form : en
  • US2174132A - Producing resistant varnish coatings on wood : en
  • US2174211A - Decoy : en
  • USD116818S - Design for a combined grave marker : en
  • USD116834S - Design fob a spoon ob similar : en
  • DE681761C - Nest box for small birds : de en
  • FR846752A - Rayon acetate dyes : en fr
  • US2173930A - Pump valve mounting : en
  • US2173855A - Transmission : en
  • AT157046B - Accident protection device for machine operation. : de en
  • DE675888C - Swiveling climbing switch : de en
  • DE681517C - Device for transferring zipper links into a gutter : de en
  • DE681779C - Middle shot guard : de en
  • FR846760A - Method for the construction of welded cases or boxes for valves, valves and the like : en fr
  • US2173890A - Roof ventilator for cabs : en
  • USD116808S - Design for a dress : en
  • US2173849A - Insecticide : en
  • US2173879A - Bite rim former : en
  • GB512942A - Improvements in method of preparing urea derivatives suitable for use as vulcanisation accelerators : en
  • GB512966A - Improvements in or relating to process for the electrolytic production of persulphuric acid and persalts and apparatus for carrying out the process : en
  • FR846953A - Process for the production of formed bodies using polyvinyl chloride : en fr
  • FR846776A - Process for treating residual liquors with a view to their transformation into a granular mass suitable for their dry distillation : en fr
  • GB512873A - Improvements in or relating to heat-exchange apparatus particularly for cooling milkand other liquids : en
  • CH207163A - Brake device on aircraft. : de en
  • DE681527C - Safety device of a die setting and line casting machine for inserting die bars hanging on wires into the casting point : de en
  • GB512953A - Process and apparatus for casting bodies of indefinite length : en
  • DK56720C - Procedure for the production of lacquer paints. : da en
  • DE681732C - Modulation arrangement : de en
  • GB512743A - Change speed gear for machine tools with electric motor drive : en
  • US2174109A - Electrode member : en
  • CA384291A - Electric switchboard panel : en fr
  • DE681536C - Fire chamber for electrical switches : de en
  • US2174247A - Process for the polymerization of olefins : en
  • US2174354A - Tank siphon support : en
  • FR846991A - Hydrocarbon oil conversion process : en fr
  • GB512803A - Improvements in or relating to double-walled electric lamps : en
  • DE681703C - Device for converting direct current into alternating current by means of grid-controlled gas or vapor discharge paths : de en
  • FR846968A - Process for the development of photographic layers of silver halosalts : en fr
  • GB512943A - Improvements in electric organs : en
  • FR846772A - Two-part button, especially for clothes : en fr
  • FR846961A - Process for manufacturing high pressure tanks : en fr
  • FR846970A - New engine exhaust gas distribution processes and devices : en fr
  • GB512915A - Improvements relating to copy milling machines : en
  • US2174114A - Deep well pump : en
  • US2174338A - Grate for sintering machines : en
  • AT157120B - Support strut designed as a liquid shock absorber, in particular for aircraft landing gear. : de en
  • US2174220A - Antifreeze composition : en
  • USD116869S - Design fob a combined pocket comb : en
  • US2173989A - Tie band : en
  • US2174413A - Pickproof lock construction : en
  • USD116851S - Design for a lawn mower keel : en
  • US2174171A - Resilient article and alloy and their manufacture : en
  • US2174274A - Kitchen cabinet : en
  • DE681503C - Telegraph device with a combined transmitter and receiver, in which the individual characters are transmitted by impulse series, the individual impulses of which correspond to parts of the character : de en
  • US2173874A - Adjustable ink fountain of a rotary press : en
  • US2174255A - Approach control apparatus for railway signaling systems : en
  • CA384213A - Meat tenderer : en fr
  • CH207091A - Multi-part mount for firearms with a device for connecting individual parts thereof. : de en
  • FR846807A - Advanced lubricating oil and method of making it : en fr
  • FR49958E - Anti-surprising thermo-turbulant device for supplying internal combustion engines : en fr
  • GB512878A - Improvements in and relating to machines for bending metal and other strip : en
  • SU55806A1 - A device for collecting fiber and fillers from wastewater paper machines : en ru
  • GB512765A - Improvements in and relating to the recording of oscillations : en
  • FR846870A - Device for measuring high pressures of gas or liquid : en fr
  • GB512760A - Improvements in or relating to electric inductors for use at high frequencies : en
  • CA384340A - Pellicle marking process : en fr
  • FR846778A - Improved mower mechanism and vehicle equipped with this mechanism : en fr
  • GB512758A - Improvements in and relating to zinc alloys : en
  • GB512768A - Method of manufacturing abrasive material : en
  • GB512720A - Improvements in or relating to machines for shearing metal and other plates : en
  • FR846907A - Improvement in gas and vapor compression : en fr
  • DE681590C - Logarithmic tube voltmeter with backward regulation : de en
  • US2174113A - Washing implement : en
  • US2174393A - Moisture-applying device : en
  • US2174508A - Process of reacting iso-alkanes with sulphur dioxide and chlorine and products thereof : en
  • DE681636C - Device for multiple transmission of measured quantities transmitted according to an intensity method using synchronously rotating distributors : de en
  • GB512772A - Improvements in or relating to wireless receiving apparatus : en
  • GB512900A - Improvements in or relating to coin controlled devices : en
  • AT157047B - Security device against theft, especially for motor vehicles and. like : de en
  • AT157034B - Automatic switching device for multi-speed motor vehicle transmissions. : de en
  • AT157135B - Grater grinder for fruit and other fruits. : de en
  • AU390639A - Improvements in dynamos for lighting bicycles : en
  • CA384264A - Fruit wrap : en fr
  • US2174192A - Wire rope fitting : en
  • AT157011B - Device for keeping voltages constant with a discharge tube. : de en
  • US2174015A - Direction finder : en
  • CH207073A - Iron stand with device for using an electric iron as a hot plate. : de en
  • CA384257A - Snap switch : en fr
  • US2174187A - Dual drive power selector : en
  • US2174168A - Driving means for phonographs : en
  • US2174429A - Means for stringing and sagging in power lines : en
  • AT157117B - Process for the processing of soap waste in the production of curd soap. : de en
  • US2174254A - Case hardening of glass sheets : en
  • CH207171A - Temperature controller. : de en
  • CA384294A - Heater valve : en fr
  • AT157061B - Device for switching on the electric current instead of sockets or switches. : de en
  • AT157075B - Electroacoustic apparatus with a light membrane. : de en
  • CA384254A - Circuit breaker : en fr
  • AU108577B2 - Improvements in means for weighing predetermined quantities of powdered substances : en
  • US2174398A - Vehicle brake : en
  • US2173944A - Traction increasing device : en
  • US2174450A - Method for treating rock and evaporated salt : en
  • US2174235A - Transformer for band-pass selectors : en
  • USD116854S - Design for an aspirating air diffuser : en
  • CH207157A - Device for clamping anti-skid agents on vehicle wheels. : de en
  • CA384226A - Arsenic acid : en fr
  • DE681516C - Internally illuminated traffic light column : de en
  • FR846801A - Electrical measuring devices : en fr
  • GR8509B - ELECTRIC BURNER. : el en
  • US2174327A - Screw driver : en
  • FR846710A - Device for dividing a circle : en fr
  • US2174218A - Uniting metal members : en
  • GB512959A - Improvements in and connected with the electric circuits of motor vehicles : en
  • DE681514C - Valve for pneumatic tires : de en
  • AT157108B - Process for the preparation of 5-ethyl- or 5-allyl-5-isobutyl-2-thiobarbituric acids. : de en
  • US2174461A - Ice breaker : en
  • US2174104A - Display rack : en
  • DK56732C - Container closure. : da en
  • US2174253A - Apparatus for the control of highway crossing signals : en
  • FR846951A - Process for the preparation of foundry molds and device for carrying out the process : en fr
  • GB512802A - Improvements in or relating to devices for securing bicycles and the like and/or fittings thereon against theft : en
  • GB512829A - Improved keyboard for pianofortes and other instruments with similar keyboards : en
  • FR846834A - Improvements to t.s.f. : en fr
  • GB512735A - Improvements in and relating to electromagnetically-operated switchgear : en
  • GB512779A - Variable speed mechanisms and overload release clutch therefor : en
  • CA384222A - Headlight : en fr
  • FR846995A - Safety device for devices running on rails : en fr
  • USD116855S - Design foe : en
  • FR846712A - Board game imitating horse racing : en fr
  • DE681623C - Resonance spring drive with a drive gear directly influenced by the resonance spring : de en
  • GB512721A - Improvements in the ornamentation of textile fabrics : en
  • FR846987A - Mannequin for trying on clothes : en fr
  • GB512834A - Improvements in or relating to milling, boring, drilling and similar machines : en
  • US2173911A - Short wave radio communication system : en
  • CA384286A - Weighing means in liquids : en fr
  • GB512895A - Improvements in or relating to railway signal and/or points control systems : en
  • GB512949A - Improvements in or relating to grab hoists : en
  • GB512713A - Improvements in and relating to weft stop motions for looms for weaving : en
  • DE681597C - Knife guide for cutting units of mowing machines with counter-rotating knives : de en
  • FR846989A - Directory folder : en fr
  • DE681716C - Process for enamelling metallic objects : de en
  • DK56714C - Coupling element for transmission of high-frequency electric waves. : da en
  • FR846842A - Method and device for remotely controlling a mobile : en fr
  • DE681727C - Hand-controlled reverse gear : de en
  • GB512738A - Improvements in supply arrangements for low frequency inductive heating apparatus : en
  • US2173853A - Communication clock : en
  • US2174403A - Disk brake for railway vehicles : en
  • DE681699C - Process for the production of basic products containing phosphoric acid, especially suitable for fertilization purposes : de en
  • FR846821A - Protection device against insufficient pressure in brake systems : en fr
  • GB512780A - Apparatus for the transmission of rotary motion : en
  • FR846906A - Improvement in needles for hypodermic injections : en fr
  • FR846798A - Device for braking shafts with a rapid rotating movement : en fr
  • FR49934E - Developments to rotating anode x-ray tubes : en fr
  • US2174188A - Tire molding apparatus : en
  • GB512744A - Means for transferring a pressure fluid from a stationary conduit to a rotary conduit, or vice versa : en
  • FR846823A - Automatic device for changing the coupling of electric traction motors during starting : en fr
  • US2173876A - Process for the recovery of zinc values from galvanizers' skimmings : en
  • US2174392A - Electric translating system : en
  • USRE21221E - Transmission mechanism : en
  • US2173865A - Game : en
  • AT157017B - Nail with head plate for fastening lightweight panels. : de en
  • CA384203A - Building : en fr
  • CH207069A - Belt drive for double-sided spinning, twisting and similar textile machines. : de en
  • FR846831A - Road lighting system from the ground : en fr
  • FR846933A - Differential-acting receiving device for hydraulic power transmissions, in particular for controlling hydraulic brakes : en fr
  • FR846935A - Improvement in fuse elements for screw cap fuse cartridges : en fr
  • GB512726A - Improvements in cameras for colour photography or cinematography : en
  • GB512734A - Improvements in or relating to honing devices : en
  • US2173830A - Stock quotation projecting machine : en
  • US2174128A - Loudspeaker : en
  • USRE21216E - Intensifying and fluorescent screen : en
  • US2174106A - Instrument for computing data and corrections in gunfire : en
  • US2174085A - Centering device : en
  • CA384273A - Multicellular glass making apparatus : en fr
  • DE681508C - Interchangeable press for warp knitting machines : de en
  • US2173870A - Booster system for ignmon circuits : en
  • US2174285A - Ferrous alloy : en
  • CA384220A - Cooling apparatus : en fr
  • US2174344A - Hydraulic clutch : en
  • FR846879A - : fr
  • DE681738C - Process for the production of reversal images : de en
  • CA384206A - Electric wave selecting device : en fr
  • CA384342A - Thermoelectric device : en fr
  • CA384320A - Automatic aircraft pilot : en fr
  • US2174382A - Electric discharge device and seal therefor : en
  • DE681629C - Alignment bench for long shafts or tubes, especially for gun barrels : de en
  • US2174047A - Portable advertising device : en
  • USD116895S - Design foe a textile fabric or : en
  • USD116809S - Design fob a license plate for : en
  • US2174100A - Oil thief and sampler : en
  • US2174478A - Tie holder and guide : en
  • US2174281A - Ferrous alloy : en
  • CA384196A - Ice cream freezer : en fr
  • US2174099A - Garden hose reel : en
  • US2174434A - Bed for invalids : en
  • US2173919A - Commodity wrapper : en
  • CA384292A - Air duct : en fr
  • US2173954A - Brake control device : en
  • US2174232A - Circuit breaker : en
  • US2174278A - Method for making alkyl halides : en
  • US2173971A - Art of manufacturing shoes : en
  • CA384265A - Vehicle window regulator : en fr
  • FI18606A - Restrictions on the application of the rules of application and on the basis of the conditions under which the aid is granted : en fi
  • FR846739A - Building that can be used as a store, etc. : en fr
  • US2174336A - Method of recovering well fluids and conserving reservoir pressure : en
  • FR846853A - Improvements to foaming devices : en fr
  • US2174118A - Ring closure of aromatic compounds with the aid of hydrofluoric acid : en
  • US2174377A - Termination and joint for electric cables : en
  • GB512777A - Improvements in or relating to clamping devices : en
  • AT157030B - Rubber plastic, in particular toy figures. : de en
  • AT157110B - Process for cryogenic hydrogenation. : de en
  • CA384341A - Container closure marking process : en fr
  • US2174272A - Means for regulating discharge from centrifugal separators : en
  • DE681619C - Acid container lining : de en
  • US2174129A - Apparatus for measuring and marking web materials : en
  • USD116831S - Design for a tucked fabric : en
  • US2173998A - Method of treating thread : en
  • US2174178A - Apparatus for and method of treating pervious material with fluid : en
  • CH207063A - Grill grate. : de en
  • DE681523C - Process for the preparation of quaternary ammonium compounds : de en
  • US2174035A - Sidewalk, floor, or roadway construction : en
  • US2174176A - Aural stroboscope : en
  • US2173821A - Method of making a stiffened fabric : en
  • US2174224A - Folding chair and aligner therefor : en
  • CA384227A - Sash guide : en fr
  • AT157005B - Adjustable resistance. : de en
  • US2174351A - Typewriter ribbon : en
  • CA384209A - Ear protector : en fr
  • CH207054A - Sports field surface, in particular for tennis courts. : de en
  • AT157008B - Motor vehicle. : de en
  • US2174402A - Disk brake device : en
  • US2174315A - Aircraft undercarriage : en
  • CA384221A - Davenport bed : en fr
  • CA384310A - Cathode heater alloy : en fr
  • US2174448A - Smokestack air heater : en
  • FR846955A - Bottle closure : en fr
  • CA384247A - Oscillation generator : en fr
  • CH207162A - Brake device on aircraft. : de en fr
  • US2173942A - Tool handle : en
  • US2174412A - Gold compounds of disulphide-acylalkylglucamides and a process of preparing same : en
  • CH207169A - Bullet cartridge. : de en
  • US2174026A - Child's vehicle : en
  • US2174097A - Shaker conveyer : en
  • US2174090A - Vanity mirror : en
  • AT157058B - Device for regulating power converters. : de en
  • AT157096B - Process for cleaning and refining molten metals and alloys. : de en
  • FR846965A - Product intended for the automatic sealing of tire punctures : en fr
  • FR846978A - Electrical conductor : en fr
  • SU12024A1 - The way of tanning : en ru
  • GB512956A - Improvements in and relating to vehicle head lamps : en
  • US2174226A - Sound recording apparatus : en
  • CA384225A - Bismuth alkyl phthalate : en fr
  • US2173825A - Apparatus for making calcium metaphosphate : en
  • US2174304A - Eyeglasses with edges for cosmetic effect : en
  • CH207082A - Crepe paper stretchable in various directions and the process for making the same. : de en
  • US2174334A - Baker's peel : en
  • FR846832A - Improvements to printing frames : en fr
  • US2174059A - Typewriting machine : en
  • FR846941A - Improvements in the manufacture of paper containers : en fr
  • USPP341P - Kose plant : en
  • FR846882A - Improvements to multi-ply elastic fabrics and the method of making such fabrics : en fr
  • AU413638A - Improvements in means for weighing predetermined quantities of powdered substances : en
  • FR49962E - Improvements to color embossed films and their processing methods : en fr
  • FR846795A - Control transmission ball joint : en fr
  • FR846910A - Method and apparatus for making the sharp conical shaped containers, blank used therein and product obtained : en fr
  • US2174163A - Sound reproducing apparatus : en
  • GB512828A - Improvements in or relating to printing devices for weighing machines : en
  • GB512910A - Improvements relating to electro-magnetic devices : en
  • GB512970A - Improvements in or relating to closures for jars or similar containers : en
  • US2174144A - Binder : en
  • USD116798S - Design for a combined culinary mixer : en
  • US2173899A - Lighting equipment for passenger vehicles : en
  • GB512797A - Improvements in or relating to airing or drying cabinets : en
  • FR846738A - Percussion fuze for explosive parts : en fr
  • FR846818A - Cigarette holder : en fr
  • US2174134A - Sorting machine : en
  • DE681731C - Control device for steam or gas turbines : de en
  • US2174324A - Railway vehicle : en
  • US2173935A - Means and method of removing barbs and down from the stems of feathers : en
  • US2174024A - Combination cracking and polymerization : en
  • DE681538C - Inverter operated with grid-controlled vapor or gas discharge vessels in a row arrangement : de en
  • DE681680C - Sealing connection of fast rotating hollow shafts against fixed lines, especially on centrifugal machines : de en
  • US2173912A - Barium hydroxide production : en
  • US2173928A - Fluid pressure brake : en
  • US2174384A - Apparatus for filling containers : en
  • GB512785A - Improvements in and relating to ice-cream freezing machines : en
  • GB512791A - Improvements in or relating to gas-filled incandescent electric lamps : en
  • GB512916A - Improvements in or relating to radio and like receivers : en
  • GB512962A - Improvements in looms for weaving axminster carpets and like tufted pile fabrics : en
  • FR846824A - Device for obtaining fancy yarns on a twisting mill : en fr
  • US2174108A - Drive bushing for rotary tables : en
  • US2174209A - Vibration damper : en
  • USD116832S - Design foe a textile fabric for : en
  • DE681666C - Device and method for sifting fine-grained or powdery substances : de en
  • GB512929A - Improvements in or relating to indicating or recording apparatus : en
  • US2174451A - Field coil assembly puller : en
  • CH207057A - Method and device for producing glass fibers. : de en
  • CH207123A - Automatic, mechanical braking device on electric motors. : de en
  • DE681613C - Multiple indicator arrangement : de en
  • FR846905A - fixing element : en fr
  • GB512730A - Improvements in and relating to the tuning of radio receivers : en
  • CA384302A - Refrigerating apparatus : en fr
  • US2174502A - Ratchet wrench : en
  • US2173878A - Manufacture of gum confections : en
  • USD116833S - Design fob an oilcloth ob similar : en
  • GB512841A - Process for the manufacture of condensation products of the anthraquinone series : en
  • DE681709C - Process for the extraction of copper : de en
  • US2174260A - Means for storing articles in warerooms, and the like : en
  • US2174269A - Strain tester : en
  • US2174467A - Nonrhythmic thread cutting die and method of producing nonsinuous threads : en
  • AT157085B - Method and device for peeling metal bodies by means of several streams of oxidizing gas emerging from a series of burners. : de en
  • BE436212A - : en
  • CA384199A - Silicious material effects neutralizing method : en fr
  • CA384216A - Ski-tote : en fr
  • US2174210A - Label applying attachment : en
  • US2174155A - Motion picture camera : en
  • AT157138B - Tube. : de en
  • CH207120A - Electromagnetic device for conveying or compressing. : de en
  • US2174391A - Governor : en
  • GB512733A - Improvements in or relating to photography in colour or in relief : en
  • DE681767C - Process for the production of easily digestible milk : de en
  • FR846726A - Device for adjusting the speed of parts driven by internal combustion engines : en fr
  • FR846736A - Internal packing mass of centrifugal casting molds : en fr
  • US2174148A - Transmission mechanism : en
  • FR846996A - Improvements in the production of photographic bleaching layers : en fr
  • DE681505C - Process for the production of cyanine or styryl dyes : de en
  • DE681509C - Acetylene generator : de en
  • FR846994A - High speed airplane : en fr
  • USD116801S - Design for a combined hosiery dis : en
  • DE681594C - Frame for a deck chair : de en
  • DE681753C - Device on AC series motors to suppress the negative torque component : de en
  • CA384335A - Bleaching-out dye layer : en fr
  • AT157009B - Dosing device for short-wave therapy devices. : de en
  • AT157143B - Lifting device for agricultural implements, potato and beet harvesting machines. : de en
  • US2174000A - Plastic and method of producing same : en
  • US2174284A - Ferrous alloy : en
  • AT157032B - Bellows diaphragm and bellows bellows body for large stroke and high pressure. : de en
  • US2174257A - Bread slicing machine : en
  • GB512857A - Improvements in methods and apparatus for making metallic sheets by electrodeposition : en
  • GB512913A - A new or improved convertible light reflector or shade : en
  • FR846716A - Protective device for welding transformer : en fr
  • FR846787A - Lighting fixture for electricity distribution substations : en fr
  • BE435988A - : en
  • CH207170A - Holder with high coercivity magnet. : de en
  • DE681781C - Process for the production of resins based on formaldehyde-urea-Grunklage : de en
  • FR49993E - Air mine for defense against aircraft : en fr
  • FR846796A - Improvements relating to the regulation of rotating electrical machines having a field winding : en fr
  • GB512978A - Improvements in and relating to chains and chain cables : en
  • CH207095A - Shooting glasses. : de en
  • AT157066B - Process for generating a constant output voltage or an output voltage that can be regulated within small limits. : de en
  • US2174122A - Balance staff : en
  • SU11081A1 - Beta Naphthol Chopper : en ru
  • US2174070A - Wheel mounting : en
  • US2174444A - Vacuum cleaner : en
  • US2174023A - Recovery of valuable products from spent soda used in petroleum refining : en
  • US2174074A - Sounding board construction for pianos : en
  • DE681728C - Method for joining ceramic bodies to metal : de en
  • US2173836A - Vehicle brake mechanism : en
  • US2174206A - Amusement device : en
  • AT157018B - Device for processing round wood. : de en
  • DE681700C - Process for generating cold with electro-osmotic conveyance of the refrigerant : de en
  • FR846921A - Magnetic flywheel : en fr
  • FR846959A - Viewfinder combined with a rangefinder : en fr
  • CH207164A - Controllable pitch propeller. : de en
  • CH207176A - Pressure medium brake, in particular for railways. : de en
  • CH207058A - Process and device for the production of glass fibers. : de en
  • DK56722C - Grouting oak booklet. : da en
  • AT157067B - Vacuum vessel with a glass flask and a cap that is difficult to soften. : de en
  • US2173949A - Angle cock device : en
  • US2174290A - Presser device for sewing machines : en
  • US2174419A - Foot throttle actuator : en
  • US2173925A - Noise reduction circuits : en
  • USD116838S - Design for a tooth brush : en
  • US2173897A - High frequency wave transmission system : en
  • CH207117A - Torsional vibration damping device. : de en
  • DK56715C - Remote control cable with one or more conductors, each of which is insulated with strip windings of dimensionally stable insulation materials. : da en
  • GB512928A - Improvements in or relating to damping mechanism for lithographic printing presses : en
  • GB512961A - Improvements in or relating to game or amusement apparatus : en
  • GB512778A - Improvements in and relating to electric discharge lamps : en
  • CH207140A - Multi-action filter for gas masks. : en fr
  • FR49923E - Manufacturing process for non-aging dry plate rectifiers : en fr
  • GB512795A - Improvements in or relating to methods of synchronising oscillation generators : en
  • DE681747C - Process for converting peat or the like into high-quality fuel : de en
  • FR846728A - Sky for industrial furnaces : en fr
  • FR846744A - Fishing Rod Reel Cartridge : en fr
  • GB512967A - Improvement in method of making uniform low shrinkage cellulose derivative sheeting : en
  • FR846833A - Improvements made to the constitution of vaporizers : en fr
  • FR846901A - Resins and process for making them : en fr
  • GB512820A - Improvements relating to stiffened textile fabrics : en
  • GB512888A - Improvements in pressure-relieving devices for closed vessels for liquids suitable for milk and other liquid coolers : en
  • FR846784A - Method and apparatus for decorating shoes : en fr
  • AU108568B2 - Improvements in or relating to scanning apparatus suitable for use in facsimile telegraph television and like apparatus : en
  • DE681546C - Thermometer testing device : de en
  • DE681570C - Method and device for excavating an endless glass ribbon from the surface of a glass melt : de en
  • US2174183A - Glass-cutting machine : en
  • FR846960A - Process for the manufacture of horseshoe nails : en fr
  • DE681741C - Fuel hole closure : de en
  • DE681575C - Process for the purification of the yellow oxidizing ferment : de en
  • GB512887A - Electrical transformer tank with cooling radiator : en
  • GB512946A - Improvements in machines for uniting metal sheets and the like by means of staples : en
  • GB512859A - An improved charge-conditioning device for internal combustion engines : en
  • DE681616C - Profiling device for tamping bodies formed in a tamping machine with a tamper head : de en
  • CA384290A - Treated fibrous material : en fr
  • GB512751A - Method of and machine for producing die-castings of thermoplastic material : en
  • US2173866A - Art in cinematography of producing fractional density combinations between differing aspects of a scene : en
  • US2174078A - Door latch : en
  • FR846797A - Universal joint : en fr
  • FR846942A - Process for the manufacture of grinding bodies used for cement, stones, etc. : en fr
  • DE681627C - Rubber buffer vulcanized onto metal plates at two ends : de en
  • GB512867A - Improvements in the construction of roofs of buildings and the like : en
  • DE681677C - Process for cutting plastic masses of explosives : de en
  • FR49980E - : fr
  • FR846734A - Process for improving the elastic properties of structural steel : en fr
  • FR846846A - Improved electric discharge device and method of operating it : en fr
  • GB512741A - Improvements in non-spilling electrical accumulators : en
  • US2173886A - Fluid control system : en
  • FR846929A - Preparation of quinhydrones : en fr
  • DE681545C - Thermostatic mixer : de en
  • US2174217A - Piston expanding apparatus : en
  • USD116884S - Design for a coax : en
  • DE681646C - Securing the utility water systems of railroad cars against freezing : de en
  • FR846912A - Device for electrically reversing images : en fr
  • FR49989E - Improvements in the preparation of hydrocarbons by destructive hydrogenation of solid carbonaceous materials : en fr
  • FR846862A - Pneumatic upholstery for seats and bunks, especially car seats : en fr
  • FR846812A - Improvements to sound and ultrasonic signaling devices with a directive effect : en fr
  • DE681718C - Method for aligning several toothed wheel bodies of the same diameter clamped in a row on a mandrel : de en
  • DE682129C - Backstop on spring drives for toys, watches, etc. : de en
  • FR50000E - coffee grinder : en fr
  • US2173847A - Transfer mechanism : en
  • US2174181A - Overtravel drawer support : en
  • US2174388A - Dispensing device : en
  • US2174481A - Attachment for bird cages : en
  • US2173823A - Method of producing complex metal : en
  • US2174453A - Method of producing diamond grinding and lapping implements : en
  • US2174473A - Ventilated filler sole : en
  • USD116820S - Design fob a vending machine : en
  • US2173895A - Process for producing sulphide pigments : en
  • GB512853A - A combined kitchen or dining table and ironing board : en
  • FR846746A - Improvements to devices intended to operate windshield wipers : en fr
  • US2174305A - Scenic insect cage : en
  • FR846857A - Temperature exchanger device : en fr
  • US2173885A - Fluid control mechanism : en
  • US2173932A - Septic tank sludge ejector : en
  • US2174286A - Ferrous alloy : en
  • USD116863S - Design for a milk bottle : en
  • DE681501C - Heat exchange body under internal overpressure in the form of a flat pocket : de en
  • US2173913A - Control system : en
  • GB512848A - Arrangement on footwear, applicable to sporting use : en
  • DE681662C - Device to avoid fluttering in gears or on clutches for operating magnetic transmitters : de en
  • DE681774C - Chute dryer for bulk material, especially corn on the cob : de en
  • US2174205A - Method of and apparatus for performing looping on a multineedle seam covering sewing machine : en
  • US2174244A - Removable ash receiver : en
  • FR846957A - Clamping circle for pendulum glasses : en fr
  • CH207084A - Device for numbering photographic prints. : de en
  • US2174361A - Nursing nipple : en
  • US2174371A - Signaling system : en
  • SE96954C1 - Axle device for driven steering wheels : en sv
  • US2173987A - Thread cutter for bobbin changing looms : en
  • US2174213A - Crankpin truing device : en
  • US2174490A - Telephoto system : en
  • USD116883S - Design for a dress : en
  • BE436013A - Sliding armature capacitor : en fr
  • AT157050B - Injection device for multi-cylinder internal combustion engines. : de en
  • CA384205A - Metal recovery : en fr
  • AT157031B - Motor vehicle for wheel and caterpillar operation. : de en
  • US2173924A - Telephone system : en
  • AT157093B - Process for achieving a well-defined cube texture in iron-nickel alloys with more than 30% nickel. : de en
  • US2174312A - Airplane strut : en
  • US2174135A - Vehicle emergency brake : en
  • USD116812S - Design fok a key holder : en
  • AU108535B2 - An improved scarifier : en
  • CH207124A - Electrically insulating material and process for its manufacture. : en fr
  • CH207132A - Process for the production of mass cores from magnetizable metal powder. : de en
  • DE681578C - Device for spraying freshly printed sheets coming from a printing machine : de en
  • US2174313A - Automatic starting device : en
  • FR846742A - Improvements to optical sighting instruments : en fr
  • CH207071A - Process for the production of matt rayon knitted fabrics. : de en
  • DE681714C - Welded metal hose : de en
  • FR846806A - Improvements to light signaling installations mounted on motor vehicles : en fr
  • US2174296A - Oscillator apparatus : en
  • DE681744C - Vertical smoldering furnace : de en
  • US2174507A - Reaction of liquid n-alkanes with sulphur dioxide and chlorine and products thereof : en
  • CA384232A - Gear shifting mechanism : en fr
  • DE681272C - Typewriter with offset letters : de en
  • FR846811A - Exhalation valve for breathing apparatus : en fr
  • FR846899A - Refinements to control multi-engine airplanes : en fr
  • USD116898S - Design fob a dress : en
  • US2174019A - Lubricant : en
  • US2174468A - Towing device : en
  • FR846701A - Lighting devices for sewing machines : en fr
  • GB512716A - Improvements in and relating to the construction of television receivers : en
  • AT157127B - Securing studs for horseshoes. : de en
  • DE681720C - Process for the production of spring brackets for the suspension springs of vehicles : de en
  • FR846898A - Device for supplying electric current for devices suspended from the gimbal : en fr
  • DE681547C - Counting device for tablets, pills or the like. : de en
  • US2174170A - Manufacture of stiffening material : en
  • DE681604C - Process for pretreating pulp for bleaching : de en
  • IE15683L - Closure for jars, cans, etc. : en
  • DE681674C - Lantern, especially for photographic darkrooms : de en
  • CA384207A - Railway tie plate : en fr
  • CA384287A - Pressure-responsive control means : en fr
  • AT157101B - Process for increasing the baking quality of flours. : de en
  • CH207087A - Ski binding with heel link. : de en
  • DE681544C - Adjustment device for airspeed indicators and similar measuring devices working according to the compensation method : de en
  • US2174154A - Ultra high frequency transmitter : en
  • SU55795A1 - Liquid metering device : en ru
  • US2174438A - Process of making adhesive or : en
  • CA384284A - Periodic voltage generator : en fr
  • AT157119B - Wide beam sprinkler. : de en
  • CA384271A - Rate of climb indicator for aircrafts : en fr
  • US2174495A - Synthetic resin coating composition : en
  • CA384307A - Cylinder cock : en fr
  • US2174025A - Creep resistant structural element subject to high temperature in use : en
  • US2174050A - Thermal electric control device : en
  • CH207159A - Directly acting liquid shock absorber with compensation device for vehicles, in particular rail vehicles. : de en
  • AT157078B - Power supply system for the simultaneous supply of several arcs, especially welding arcs from the same collector. : de en
  • GB512732A - Adjustable decanting tube : en
  • FR846775A - Harvest trolley : en fr
  • GB512856A - Improvements in metallic screens and processes of making them : en
  • AT157043B - Device for effecting selected switching movements. : de en
  • DE681706C - Device for adding solid, powdery substances to liquid iron : de en
  • US2174345A - Traction device for vehicle wheels : en
  • US2174411A - Rug rolling machine : en
  • US2174465A - Running gear : en
  • USD116886S - Design for a dress : en
  • USRE21218E - Projection system : en
  • US2174317A - Clutch : en
  • US2174379A - Electric valve control system : en
  • CA384322A - Typewriter : en fr
  • FI18617A - For the purposes of the ceramic board, the goods referred to in paragraph 1 shall be replaced by the same as that of Terra Sigillata. : en fi
  • US2173945A - Preparation of mixed fatty acid esters of cellulose : en
  • US2174031A - Kef actuated sound producing : en
  • US2174049A - Film clip : en
  • CH207154A - Disc wheel, in particular for motor vehicles. : de en
  • GB512865A - Improvements in or relating to clamping mechanism for the work or tool carrier or carriers of metal-cutting machine tools : en
  • FR846848A - : fr
  • CA384242A - Nitrocellulose preparation : en fr
  • CH207099A - Waterproof watch box. : en fr
  • USD116844S - Design for a sound translating : en
  • GB512923A - A new or improved combined domestic boiler and washing copper : en
  • CA384331A - Intermediate frequency transformer : en fr
  • CH207070A - Yarn winding machine. : de en
  • US2174086A - Electromagnetic switch mounting : en
  • US2174240A - Clutch : en
  • AT157149B - Carriers of rubber or plastic, in particular for attaching skis to bicycles. : de en
  • US2173818A - Vest and collar holder : en
  • AT157010B - Conveying device for internal combustion engines, in particular for conveying the lubricating oil in aircraft engines. : de en
  • AT157121B - Clamping device for seal skins or the like. : de en
  • CH207075A - Overstocking. : de en
  • US2174159A - Cord mounted thermoplastic element : en
  • US2174479A - Hair curler : en
  • AT157126B - Chopper. : de en
  • CA384198A - Elastic motor : en fr
  • CH207103A - Gold alloy, in particular for jewelry and rings. : de en
  • AT157041B - Pipeline for hot gases, steam or the like. : de en
  • AT157065B - Process for the production of vacuum-tight connections between metal and ceramic. : de en
  • US2173959A - Applicating apparatus and method : en
  • US2174471A - Crushing and grinding mill : en
  • US2174002A - Slide for separable fasteners : en
  • CH207149A - Particularly, but not exclusively, non-slip stud for horseshoes. : en fr
  • FR846835A - Method for guiding a mobile device such as an airplane or a ship : en fr
  • US2174306A - Liquid meter : en
  • US2174175A - Dispensing device : en
  • CH207053A - Snow removal machine. : de en
  • DE681657C - By shifting the body weight, the deck chair can be automatically adjusted to the position of use : de en
  • FR846703A - Improvements to image framing devices in cinematographic projection devices : en fr
  • CA384316A - Oil well treating method : en fr
  • CH207072A - Process for the mechanical production of knitted fabrics. : de en
  • GB512851A - Improvements in or relating to vehicle brakes : en
  • DE681601C - Method and press for making self-locking nuts with a resilient insert ring : de en
  • DE681625C - Process for the production of colloidal aqueous solutions of cellulose ethers or their derivatives : de en
  • AT157015B - Device to prevent the formation of air bubbles or foam on the screens of paper machines. : de en
  • AT157088B - Sintered hard metal alloy. : de en
  • US2173931A - Paper-slitting device : en
  • US2174219A - Stapling pliers : en
  • US2174221A - Telegraph signaling repeater : en
  • CH207125A - Device for the cementless connection of post insulators with their reinforcement parts. : de en
  • CA384277A - Cathode ray oscillator : en fr
  • US2174177A - Processes of producing an adsorbent agent : en
  • GB512804A - Improvements in or relating to regulating devices for superchargers of internal combustion engines : en
  • FR846939A - Process for destroying dry rot in masonry walls : en fr
  • US2173827A - Alkyl thio-substituted benzoic acid alkamine ester salts, intermediate and process of preparing same : en
  • US2174233A - Sealed motor compressor unit : en
  • US2174446A - Display : en
  • USD116901S - Design for a dress : en
  • AT157129B - Collapsible metal tube. : de en
  • CH207116A - Strap closure. : de en
  • US2174084A - Station type pin and line bearing lathe : en
  • CA384228A - Photographic colour material : en fr
  • DE681715C - Process for enamelling metallic objects : de en
  • US2173858A - Radio system : en
  • CA384238A - Electric discharge lamp device : en fr
  • CH207144A - Intermediate frequency receiver for receiving telegraphy. : de en
  • AT157044B - Switching device for change gears with electromagnetically driven switching elements. : de en
  • DE681551C - Brake monitoring device for motor vehicles : de en
  • DE681640C - Process for the preparation of 2-amino-3-alkoxydiphenylene oxides and their substitution products : de en
  • DK56728C - Device at Kærnetønders Endebunde. : da en
  • US2174283A - Ferrous alloy : en
  • DE681624C - Ternaere, powdery alloy obtained by reduction from three oxides for mass cores : de en
  • DE681533C - Ball switch : de en
  • FR846852A - Footings with reinforced concrete struts for aircraft hangars : en fr
  • FR846813A - Textile waterproofing process : en fr
  • CA384326A - Film driving mechanism : en fr
  • US2174011A - Necktie construction : en
  • CA384255A - Circuit breaker : en fr
  • USD116866S - Design for a bottle or similar : en
  • CH207078A - Machine for converting chocolate masses into the condition required for the production of chocolate bodies. : de en
  • AT157062B - Electron-emitting cathode. : de en
  • CH207098A - Fixed counter-pivot bearing for clockwork axis pivot. : en fr
  • CA384295A - Paper machine drier felt : en fr
  • US2174194A - Film editing and viewing and guiding device : en
  • US2174236A - Multiple-blade disconnecting switch : en
  • AT157004B - Electrical connection of a multi-phase generator with low scatter to a power consumer, in particular for electrical ship propulsion. : de en
  • AU108544B2 - Improvements in or relating to trimming machines : en
  • US2174185A - Process for roasting ore : en
  • CH207134A - Insulating entry for high voltage lines in vacuum vessels. : de en
  • FR846947A - Holding terminal, especially intended for arc lamp electrodes : en fr
  • FR846980A - Method for measuring the coloration of lighting : en fr
  • FR846886A - Improvements in processes and flushing devices for water closets : en fr
  • BE435783A - : en
  • US2173904A - Electrode system of unsymmetrical conductivity : en
  • US2173975A - Method of and apparatus for blunging clay : en
  • US2174052A - Heating apparatus : en
  • US2174364A - Method of finishing shortening : en
  • US2174400A - Brake mechanism : en
  • USD116813S - Design for a measuring pump : en
  • AT157074B - Arrangement for film scanning. : de en
  • CA384323A - Oil dewaxing apparatus : en fr
  • FR846804A - Variable pitch propeller : en fr
  • FR846891A - Device used to obtain constricted parts on hollow parts : en fr
  • GB512908A - Improvements in or relating to electric lighting units for industrial, street, or general lighting purposes : en
  • AT157029B - Heat and sound insulation bodies. : de en
  • CH207126A - Compressed gas switch, especially for high performance. : de en
  • USD116811S - Design fob a chair back ob similar : en
  • US2174009A - Therapeutic preparation : en
  • US2174295A - Suction apparatus for surgical use : en
  • CA384208A - Contact plug : en fr
  • AT157052B - Process for controlling discharge tubes by means of grid control. : de en
  • US2174156A - Phonographic apparatus : en
  • AT157076B - Transformer which can be regulated by adjusting a diffuser. : de en
  • GB512823A - Improvements in or relating to internal-combustion engines of the fuel-injection compression-ignition type : en
  • US2173844A - Heat exchange : en
  • CA384223A - Planographic printing plate : en fr
  • USD116825S - Design foe : en
  • CH207062A - Rice and vegetable cooker. : de en
  • US2174204A - Lawn mower sharpening means : en
  • USD116807S - Design fob a combined table cooking : en
  • FR846766A - Process for varnishing rubber-based substrates : en fr
  • US2174017A - Goniometer : en
  • GB512800A - Improvements in or relating to the treatment of yarns, foils, films and the like : en
  • FR49959E - Heated suit for dives : en fr
  • FR49977E - Porous metal objects and process for their manufacture : en fr
  • FR846946A - Seat for medical and hydromineral treatments : en fr
  • GB512739A - Improvements in or relating to milling machines : en
  • DE681661C - Device for displaying flammable gases or vapors : de en
  • DE681695C - Stapling device with an exposable front plate and spring-loaded feed device for the staples : de en
  • GB512706A - Rotary gas engine : en
  • AT157134B - Axle bearings with circulating and under-lubrication, in particular for rail vehicles. : de en
  • FR49976E - Process for preparing vat dyes and their leucoic esters : en fr
  • US2173941A - Automatic train control : en
  • US2174167A - Apparatus for recording and reproducing sound records : en
  • US2174501A - Sodium salt of lithol red as a dry toner : en
  • US2173955A - Apparatus for casting cylindrical rolls : en
  • AT157103B - Process for improving lubricating oils. : de en
  • US2174264A - Road covering : en
  • US2174421A - Grease gun : en
  • AT157091B - Process for the production of artificial woven fibers. : de en
  • US2173969A - Sandal : en
  • US2174139A - Controlling valve for fluid pressure brakes on automotive vehicles : en
  • CA384279A - Beam scanning dissector : en fr
  • GB512810A - Improvements in vibrating screens : en
  • FR846706A - Improvements to pumps : en fr
  • USD116888S - Design for a textile fabric or similar : en
  • CA384297A - Confectionary moulding apparatus : en fr
  • CH207178A - Device for the hydraulic adjustment of the blades of propellers. : de en
  • DE681758C - Plow with exchangeable wedge-shaped share point : de en
  • US2174476A - Surge-protected fuse switch : en
  • CA384201A - Calculating, registering and ticket printing machine : en fr
  • DE681693C - System for cleaning oil barrels : de en
  • FR49968E - Color television process : en fr
  • GB512960A - Improvements in the manufacture of nitrocellulose products : en
  • IE15638L - Producing cottonised fibres from bast : en
  • FR846774A - Device for regulating the fuel supply of combustion engines, and in particular of aircraft engines : en fr
  • FR846783A - Manifold block : en fr
  • GB512766A - Method and apparatus for recording and reproducing low frequency vibrations : en
  • FR846876A - Improvements to devices for the transmission of motive power : en fr
  • US2174357A - Paper carriage for accounting machines : en
  • USD116835S - Design fok a fork or similar article : en
  • DE681650C - Ion valve : de en
  • GB512727A - Improvements in or relating to hydraulic shock absorbers for vehicles : en
  • US2174466A - Coffee-maker seal : en
  • US2174092A - Apparatus for forming fabric structures : en
  • GB512904A - Apparatus for drawing and straightening rod or wire stock : en
  • FR49967E - Advanced electric wipers and others : en fr
  • CA384246A - Flashlight switch : en fr
  • CH207150A - Conveyor device for liquid fuels. : de en
  • FR846768A - Improvements in the electroplating of metals on alloys containing chromium : en fr
  • US2173881A - Fluid control device : en
  • US2174208A - Duplicating machine : en
  • DK56726C - Threshing bridge. : da en
  • US2174062A - Speed and power governor : en
  • US2174484A - Flashlight tester : en
  • US2174180A - Museum and display case : en
  • AT157003B - Electric lamp. : de en
  • AU113925B2 - Aircraft course indicating system : en
  • GB512712A - Improvements in and relating to quick make and break electric switches : en
  • CA384245A - Radiofrequency amplifier : en fr
  • GB512858A - Improvements in tape controlling means for stock quotation printing and projection mechanisms : en
  • US2174152A - Stapix machine : en
  • USD116789S - Design for a glass sandwich plate or : en
  • US2174378A - Ring seal closure : en
  • US2174428A - Means for stringing and sagging in power cables and the like : en
  • DE681582C - Line connection for propane bottles : de en
  • US2173915A - Method of solvent refining : en
  • US2174041A - Bookbinding device : en
  • AT157006B - Electric sounder. : de en
  • DK56727C - Teat cup for milking machines. : da en
  • GB512737A - Water-actuated gas or other fluid-controlling valves or electric switches : en
  • FR846916A - Combination apparatus for television reception and film projection : en fr
  • US2174197A - Endgate for vehicles : en
  • US2174166A - Electrical circuits : en
  • US2174488A - Oscillator : en
  • US2174494A - Photographic fixing agent : en
  • USD116859S - Design for a badge or similar article : en
  • DE681740C - Device for the automatic lifting and insertion of leveling doors : de en
  • FR846937A - Process for the preparation of vinyl methyl ketone : en fr
  • FR846954A - Process for the production of homogeneous mixtures from naphtha bitumen and coal tars : en fr
  • US2174151A - Transmission system : en
  • US2174417A - Piston : en
  • AT157094B - Process for the preparation of solutions of cellulose in sulfuric acid. : de en
  • CA384289A - Gas processing : en fr
  • FR846914A - Lightening devices : en fr
  • FR49966E - Positive overrunning clutch device : en fr
  • DE681745C - Schwelgefaess for Schweloefen : de en
  • CA384312A - Printing telegraph system : en fr
  • DE681518C - Process for the pressure hydrogenation of high-boiling hydrocarbons : de en
  • FR846903A - Tower : en fr
  • US2173887A - Flue gas water heater : en
  • US2174013A - Device for and method of treating fabrics and yarns : en
  • GB512815A - Improvements in or relating to hand turning gear for power driven rotating containers of washing or other like machines : en
  • US2174056A - Apparatus for manufacture of cellulose xanthate : en
  • GB512941A - Improvements relating to the sealing of metal wire or foil into vitreous material : en
  • FR846793A - Apparatus for painting discontinuous bands on pavements : en fr
  • FR846890A - Pass-through vessel for separation of pig iron and slag : en fr
  • FR846919A - Slider closure : en fr
  • US2173914A - Thermionic valve amplifier circuits : en
  • AT157069B - Electrical communication cable. : de en
  • DE681511C - Curve made of elastic steel band : de en
  • DE681611C - Alternator arranged in a bicycle hub and driven via a countershaft : de en
  • GB512964A - Improvements in encasements for treating fractures and the like : en
  • CH207131A - Electric discharge tube. : de en
  • US2174430A - Jewelry box : en
  • CH207119A - Protective device on elevators for use in the event of a power failure. : de en
  • CA384338A - Electric discharge lamp device : en fr
  • IE15759L - Earthing conductor for electric systems : en
  • US2174142A - Condiment dispenser : en
  • US2174200A - Locking mechanism : en
  • US2174316A - Clutch mechanism : en
  • AT157071B - Modulation device with dry rectifiers for alternating current telegraphy. : de en
  • DE681751C - Pulling and pushing device, especially for conveyor wagons : de en
  • US2173845A - Method of producing crystalline basic phenyl mercury nitrate : en
  • FR846990A - Improvements to machines such as, in particular, internal combustion engines or heat engines : en fr
  • GB512934A - Improvements in piston rings : en
  • CH207097A - Water and dust proof watch case. : de en
  • FR846792A - Preparation process for mosaic panels : en fr
  • FR846761A - Electric wave amplifiers : en fr