• US1933899A - Belt : en
  • US1934077A - Method of shearing and reforming continuous joint bars : en
  • US1934134A - Tack pointed flanged joint fastener : en
  • USD90972S - Design for a base fob a permanent : en
  • CA336928A - Gasket attaching means : en fr
  • AT135248B - Guide roller with fixed, exchangeable trunnions. : de en
  • AT135365B - Fold-up hanging door for bird cages. : de en
  • CA336870A - Aerial safety suit device : en fr
  • US1934223A - Mounting for rear-vision mirrors : en
  • AT135328B - Process for the improvement of edible flours for the production of pastries, baked goods and pasta. : de en
  • AT135423B - Actuator for liquid self-vendors. : de en
  • AT135334B - Process for the production of long-lasting extracts from the fruits of Capsicum annuum. : de en
  • US1933956A - Method of manufacturing spoked wheels : en
  • US1934176A - Spool and holder therefor : en
  • DE587899C - Process for the thermal splitting of hydrocarbon oils : de en
  • DK47985C - Clamp for Clamping of Garments and the like. : da en
  • FR754642A - Improved low temperature carbonization process : en fr
  • US1934001A - Production of hydrocarbon products : en
  • DE587514C - Sheet feeding device for printing machines : de en
  • DE587775C - Process for the production of liquid fuels for internal combustion engines : de en
  • AT135380B - Automatic coupling for pull pipelines. : de en
  • US1934000A - Scaffold : en
  • US1934230A - Arcing frequency changing system : en
  • USD90974S - Design fob a stand fob a haie curl : en
  • US1933873A - Motor driven vehicle : en
  • US1934526A - Alternating current relay : en
  • AT135330B - Process for printing animal fibers and fiber structures. : de en
  • US1933775A - Production of derivatives of cresol ethers : en
  • US1934506A - Control system : en
  • US1934169A - Textile machinery spool core : en
  • US1934515A - Electrolytic condenser : en
  • DE587669C - Method and device for the determination of transmission errors in light sound devices : de en
  • DE588052C - Rail fastening on wooden sleepers using washers and dowels : de en
  • FR754524A - Process for the preparation of enamel slips susceptible to storage : en fr
  • US1934269A - Oil heating apparatus : en
  • USD91000S - Design fob a cosmetic chart : en
  • AT135433B - Electric loudspeaker device. : de en
  • US1933769A - Hose coupling : en
  • AT135262B - Air purifiers for internal combustion engines. : de en
  • US1934395A - Indicator attachment : en
  • DE587747C - Procedure for spraying liquids : de en
  • FR754509A - Automobile car : en fr
  • US1933676A - Preparation of cellulose acetate and the like : en
  • FR754541A - Portable ashtray : en fr
  • US1933974A - Price tag molding : en
  • US1934464A - Aeroplane flying teaching apparatus : en
  • GB401067A - Improvements in protective arrangements for electrical machines and transformers : en
  • DE587760C - Lids for bungers of beer kegs : de en
  • FR754495A - Air treatment process and apparatus : en fr
  • DE587980C - Device for controlling the partial motor speed in electric multi-motor drives : de en
  • FR754417A - Water heater for locomotives : en fr
  • AU1216333A - Improvements connected withthe combustion of fuel in furnaces : en
  • DE587643C - Process for the production of hardenable condensation products of a protein-like type based on urea-formaldehyde : de en
  • DE587685C - Device for sticking stamps, labels and other gummed papers : de en
  • DE587740C - Device for balancing centrifuge drums : de en
  • GB401097A - Improvements in and relating to electric fuses : en
  • GB401161A - Improvements in electric couplings of the plug and socket type : en
  • CA336902A - Piston ring : en fr
  • DE587829C - Process for the production of bitumen emulsions, especially for road construction purposes : de en
  • GB401654A - Improved means for the remote control of locomotives, engines and other machines : en
  • US1934165A - Car loading device : en
  • AT135270B - Device for supplying additional air into the intake pipe of internal combustion engines when throttling the fuel gas supply, in particular for motor vehicles. : de en
  • GB401218A - Improvements in diaphragm systems for microscope condensers : en
  • GB401173A - Improvements in direction signals for motor vehicles : en
  • US1934361A - 7 ethoxy 4 methyl coumarin : en
  • US1934467A - Circuit breaker : en
  • US1934554A - Door closer and check : en
  • DE587699C - Process for the production of powder for mass cores consisting of magnetic particles coated with insulating material : de en
  • FR754676A - Maximum current base circuit breaker : en fr
  • US1934148A - Safety razor : en
  • FR754610A - Washing machine for agricultural products : en fr
  • FR754685A - Improvements in the treatment of fibers or the like : en fr
  • GB401026A - Improvements in and relating to envelopes : en
  • AT135279B - Key transmitter for telegraph apparatus with special keys for different groups of characters that use the same character combinations. : de en
  • US1933575A - Milling head attachment : en
  • US1933768A - Friction controlled spring : en
  • US1933941A - System for feeding complex antenna systems : en
  • US1933702A - Process of separating metals by selective oxidation of the chlorides : en
  • DE587904C - Device for the heat treatment of body cavities : de en
  • DK47980C - Welding powder. : da en
  • US1933770A - Cigarette remover : en
  • US1934512A - Current limit acceleration : en
  • DE587830C - Closure slide for zippers : de en
  • US1934258A - Vacuum sealing machine for bottles, jars, cans, and the like : en
  • US1934572A - Valve core of the sealing and poppet type : en
  • US1934675A - Method of preparing tetrachlorobenzene : en
  • US1933751A - Rope protector and guide : en
  • US1933755A - Wire drawing apparatus : en
  • DE587348C - Circuit arrangement for dialers with contact track divided into groups : de en
  • FR754537A - Device for tracing drawings and alphabetic letters : en fr
  • GB401255A - Improvements in or relating to diesel locomotives having pneumatic transmission systems : en
  • DE587972C - Deep fire spreading device operated independently of the recoil movement : de en
  • CA336910A - Folding furniture : en fr
  • US1933943A - Piston construction : en
  • US1933998A - Oil cooler : en
  • US1934487A - Power system more particularly for marine propulsion : en
  • US1934289A - Method of handling freight and apparatus therefor : en
  • US1933953A - Means for making composite photographs : en
  • DE587711C - Punching device with counter for register strip punching machines : de en
  • GB401319A - Improvements in and relating to intermediate frequency transformers for use in wireless reception : en
  • FR754631A - Container, particularly bottle, intended to be closed with a capsule : en fr
  • US1934386A - Baling press : en
  • AT135294B - High voltage electrical switchgear. : de en
  • CA336916A - Electric current rectifying system : en fr
  • CA336969A - Stocking knitting machine : en fr
  • US1934212A - Piezo-electric crystal oscillator circuit : en
  • AT135422B - Flash lamp. : de en
  • DE587644C - Process for the production of a dry diazonium salt preparation : de en
  • DE588036C - Device for singeing textiles with gas or vapor fuel : de en
  • DE588004C - Tensioning device for the movement belt for sliding windows that is attached to the counterweight at both ends : de en
  • FR754629A - Movable roller straightening machine : en fr
  • FR754418A - Waterproof household waste disposal unit : en fr
  • US1934247A - Bottle washing machine : en
  • US1934442A - Fuse cut-out and the like : en
  • US1934130A - Carburetor : en
  • DE587603C - Low pressure steam heating system : de en
  • DE587680C - Folding top for vehicles with an open structure : de en
  • US1933948A - Fan wheel : en
  • AT135282B - Circuit arrangement for telecommunications systems with several stations on one line. : de en
  • DE587840C - Overhead line disconnector : de en
  • DE587722C - Control slide for hydraulically adjusted valves, especially in water gas systems : de en
  • GB401051A - Improved apparatus for sifting enamel, slip, glaze and other materials : en
  • US1934184A - Electrodynamic loud speaker : en
  • DE587782C - Method for treating wort : de en
  • GB401111A - Improvements in and relating to methods of and apparatus for rolling metal, particularly strip metal : en
  • GB401232A - Improvements relating to free wheel clutches : en
  • GB401162A - Improvements in and relating to stencil blanks and stencils : en
  • DE587734C - Rotatable building : de en
  • GB401080A - Improved means for holding heat-insulating material for pipes, valves and the like : en
  • FR754494A - Steam generator indirectly heated by superheated steam : en fr
  • GB401084A - Improvements in and relating to methods of manufacturing electrical coils : en
  • US1934009A - Azodyestuff : en
  • US1934533A - Sign frame : en
  • AT135401B - Liquid heater. : de en
  • FR754575A - Improvements to thrust bearings : en fr
  • DE587772C - Device for electrical switches and fuses with arc extinguishing by compressed air : de en
  • US1933635A - Air conditioning apparatus : en
  • FI15549A - Sätt och anordning för framställning av i pappersindustrin använda ringformiga slipstenar av konststenmassa : en fi
  • US1933889A - Sliding back for cameras : en
  • US1934081A - Shaft furnace : en
  • US1934414A - Grained wood and method of graining same : en
  • GB401070A - Improvements in or relating to automatically variable changespeed gearing : en
  • DE587866C - Apparatus for the production of photographs, in particular of high-gloss photographs : de en
  • GB401174A - Improvements in or relating to cigarettes : en
  • GB401213A - Improvements in heaters for liquids : en
  • US1933606A - Air separator : en
  • US1933847A - Hair waving heater : en
  • DE587430C - Line typewriter writing on a flat plane : de en
  • DE587768C - Clock with rotating hour and minute discs : de en
  • US1933910A - Ventilating cabinet : en
  • US1934090A - Brake mechanism : en
  • US1934401A - Cigarette snuffing device and tray : en
  • US1934444A - Brake drum : en
  • DE587671C - Device for shutting down the speaking wire or cord of magnetic speaking machines : de en
  • AT135303B - Pressure or pressure differential meter with setting by changing the position of a liquid in a rotatably mounted container and with two measuring ranges that can be set by changing the straightening force exerted by a counterweight. : de en
  • DE587653C - Process for the treatment of washing solutions from gas cleaning processes : de en
  • US1933720A - Purification of cellulose derivatives : en
  • US1934618A - Treatment of cellulose derivatives : en
  • AT135243B - Hair curlers. : de en
  • AT135383B - Device for actuating the throttle and clutch linkage of motor vehicles with one foot. : de en
  • DK47982C - Porous Ventilation device for fermenting liquids. : da en
  • FR754480A - heat exchanger, in particular evaporator for refrigeration machines : en fr
  • FR754586A - Multi-piece chipboard enclosure with metal mounting bracket : en fr
  • US1933653A - Retaining clip for drive chains : en
  • US1934387A - Electric alarm clock : en
  • US1933944A - Enameling fixture : en
  • US1933963A - Process for coating paper : en
  • US1933986A - Condensation product of polyvinyl alcohol with cyclic ketones and a process of preparing it : en
  • FR754303A - : fr
  • FR754410A - Device for automatic setting of a signal in the open and closed positions : en fr
  • GB401099A - Improvements in and relating to metallic tubing for electric wiring : en
  • FR754639A - Process for the preparation of azo dyes : en fr
  • DK47988C - Large locomotive with diesel-electric power plant. : da en
  • FR754370A - Stepless gear change mechanism : en fr
  • DE587861C - Multi-spindle automatic lathe : de en
  • DE587962C - AC multi-motor drive for work machines : de en
  • US1934470A - Electric switch : en
  • DE587789C - Switching device for beam transmitter : de en
  • GB400978A - Improvements in means for indicating the level of a liquid in a container : en
  • FR754467A - ejector-dispenser for toilet, medical or other powders : en fr
  • US1934578A - Print handling apparatus : en
  • AT135335B - Process for making bread and other baked goods. : de en
  • DE587766C - Process for the production of long pipes from fibrous materials and plastic masses, e.g. asbestos cement, by centrifugation : de en
  • US1933843A - Bedspring : en
  • USD90995S - Design for a curtain or the like : en
  • US1933728A - Head bracket : en
  • GB401069A - An improved cake or like baking tin : en
  • GB401129A - Means for and process of permanently waving hair : en
  • GB401655A - Improvements in electric indicating devices : en
  • FR754687A - Process for the preparation of crystallized esters of female testicular hormones : en fr
  • US1934016A - Paste tube cap : en
  • DE583322C - Process for the production of aluminum-silicon-sulphide : de en
  • GB401160A - Manufacture of threads : en
  • GB401267A - Car and trailer group for camping : en
  • US1934392A - Power transmitting apparatus : en
  • US1934563A - Bearing : en
  • DE587892C - Television or remote cinema receiving arrangement : de en
  • US1934113A - Flexible coupling : en
  • US1934170A - Weighting means for textile machinery spool cores : en
  • US1934193A - Bus heating system : en
  • GB401102A - Improvements in advertising or display devices : en
  • US1933854A - Method of making cinematographic exposures : en
  • US1934085A - Measuring apparatus : en
  • US1934293A - Cable lock and anchor for revolving door wings : en
  • FR754373A - Improvement in automatic clutches : en fr
  • FR754698A - : fr
  • FR754597A - Installation of electrically wound armature capacitors : en fr
  • FR754607A - Shuttle fighter : en fr
  • GB401169A - Method and apparatus for predetermining the size of rebored cylinders : en
  • FR754488A - Improvements to sewing machine shuttle carriers : en fr
  • FR754466A - square with movable branches : en fr
  • GB400989A - Improvements in or relating to indicating instruments combined with clocks : en
  • DE587741C - Keyboard for ten-key calculators with pen box : de en
  • AT135355B - Method for producing a photosensitive layer. : de en
  • DE587678C - Gristmill : de en
  • AT135307B - Measuring drum for flowing media, which is rotated by the weight and the displacement of the liquid in it. : de en
  • DE587959C - Cast-encapsulated switchgear consisting of several individual panels with withdrawable oil switches : de en
  • DK47990C - Apparatus for Liquid Fuel Heating. : da en
  • AT135212B - Device for finding the keyhole with the help of a luminous ring surrounding it. : de en
  • AT135343B - Process for the preparation of water-soluble metal complex compounds. : de en
  • AT135419B - Electrical signaling device with a vibrating membrane. : de en
  • US1933833A - Stenotype machine : en
  • US1934244A - Fuse link : en
  • US1934323A - Grave vault handle : en
  • US1934138A - Dispensing can : en
  • FR754529A - Device intended for taking photographs in artificial light : en fr
  • CA336892A - Carbureter : en fr
  • USD91001S - Design for an impeller wheel : en
  • US1934031A - Method of obtaining low boiling oils from higher boiling oils : en
  • US1934233A - Paper calender pressure regulator : en
  • US1934466A - Combined wire drawing and fabricating machine : en
  • FI15550A - Fertilization of the sulphate cellulose : en fi
  • GB401125A - Kinematographic films bearing sound records : en
  • GB401201A - Improvements in or relating to advertising or display devices : en
  • US1934010A - Watersoluble formaldehyde bisulphite amino-aryl antimony arsenic compound : en
  • US1934110A - Nonfrosting mirror : en
  • USD90986S - Design fob a spoon ob otheb abticue : en
  • US1933605A - Air separator : en
  • US1934567A - Stretcher : en
  • US1933569A - Cover : en
  • US1934068A - Process for treating synthetic oils : en
  • FR754533A - Microscope frame : en fr
  • US1934219A - Frequency changing system : en
  • AT135333B - Method of increasing capillary activity. : de en
  • CA337003A - Hair drying apparatus : en fr
  • AT135233B - Device for internal load distribution between parallel working power plants. : de en
  • US1933656A - Over-lapping screw ash remover : en
  • US1933660A - Wrapped bundle of coiled wire : en
  • US1933898A - Hood latch : en
  • US1933886A - Automatic control for web replenishing mechanism : en
  • US1934141A - Trailer hitch : en
  • CA336909A - Electrical ore reducing apparatus : en fr
  • AT135276B - Device for converting electrical vibrations into mechanical ones. : de en
  • AU1004132A - Improvements in and relating tothe casting of metal balls : en
  • US1933908A - Gear shifting mechanism : en
  • US1934281A - Aluminum-silicon alloy : en
  • US1934327A - Locking device for pump shafts and the like : en
  • AT135292B - : de en
  • CA336952A - Photographic negative system : en fr
  • CA336981A - Dispenser : en fr
  • US1933661A - Wrapping bundle or coil of wire and like articles : en
  • US1934602A - Selective antenna circuit : en
  • AT135283B - Device for charging batteries, in particular motor vehicles. : de en
  • AT135322B - Process for increasing the wetting ability of alkalizing liquids. : de en
  • US1934447A - Means and method of electrical prospecting : en
  • AT135223B - Lathe or machine tool combined with a lathe. : de en
  • FR754551A - Articulation device for metal roller shutter slats : en fr
  • FR754699A - Vaporizer heater : en fr
  • GB402077A - Improvements in or relating to methods of cutting tubes into lengths and apparatus therefor : en
  • DE587870C - Process for gluing fabrics, in particular leather on leather : de en
  • US1934547A - Manufacture of rubber articles : en
  • DE587677C - Holding device for metal foil insulation against heat exchange : de en
  • US1934264A - Over-current signal means : en
  • CA336945A - Travel sound source : en fr
  • US1933806A - Garment stay : en
  • US1933937A - Method of welding : en
  • US1934140A - Machine for trimming the printing faces of type bars or slugs : en
  • DK47993C - Method and Apparatus for Making Reinforced Film Strips. : da en
  • USRE18988E - Method of treating lubricants : en
  • DE587686C - Joint supports for shoes : de en
  • DE588034C - Lead pipe press : de en
  • FR754378A - Firearm : en fr
  • US1934287A - Collapsible tube machine : en
  • GB401341A - An improved manufacture of lubricating oils : en
  • US1933733A - Infant incubator : en
  • DE587895C - Incandescent cathode oscilloscope with gas concentration : de en
  • GB401195A - Improvements in or relating to vacuum cleaners : en
  • FR754436A - Water soluble alkyl mercury mercapto compounds and process for their preparation : en fr
  • GB401033A - Improvements in or relating to electrical signalling systems : en
  • US1934413A - Production of silk fibers : en
  • FR754393A - Device producing oscillations : en fr
  • DE587877C - Control and safety device for gas-heated absorption refrigerators : de en
  • FR754396A - Coupling and lifting device for harrows on a seed drill : en fr
  • GB401181A - Improvements relating to geographical globes : en
  • US1934542A - Mop : en
  • US1933625A - Mulching hoe : en
  • US1934341A - Seal : en
  • GB401032A - Improvements in swivel couplings : en
  • DE587350C - Socket with 8-shaped curved connector shells : de en
  • DE587665C - Process for cleaning metals : de en
  • US1933666A - Draft rigging : en
  • CA337004A - Heating and ventilating apparatus : en fr
  • US1934236A - Article displaying device : en
  • FR754577A - Process for the manufacture of compositions intended for the constitution of coatings : en fr
  • US1934021A - Method of making boilers : en
  • US1934064A - Lining of high pressure tubular articles : en
  • US1934066A - Lubricator : en
  • US1933603A - Controlling mechanism for transmissions : en
  • US1934523A - Signaling system : en
  • US1933651A - Electric current grounding device : en
  • US1934623A - Liquid measuring and dispensing apparatus : en
  • DE587718C - Rectifier for high-voltage alternating current with a synchronously moving circuit breaker arranged in a high vacuum vessel : de en
  • DK47970C - Combined Washing and Twisting Machine. : da en
  • US1934439A - Nut lock : en
  • CA336982A - Water boiler : en fr
  • FR754595A - Control for discharge vessels, controlled by grid and filled with gas or steam, in alternating rectifier coupling : en fr
  • FR754691A - Paving stone for road signs and other applications : en fr
  • US1934280A - Floor fitting for underfloor duct systems : en
  • DE587963C - Arrangement for isolating the pipe coils of oil transformers by means of a casing made of solid insulating material arranged in the oil : de en
  • GB401228A - Improved distributor bar for matrix composing and line casting machines : en
  • US1934037A - Process for destructive hydrogenation of hydrocarbon oil to form improved lubricants : en
  • US1934227A - Frequency changing system : en
  • DE587833C - Stapling or nailing device with saddle-free clip channel for U-shaped clips or pins : de en
  • FR754539A - Aluminum-copper alloys containing tin : en fr
  • FR754696A - Improvements to wooden beds : en fr
  • GB401222A - Improvements in and relating to turret lathes : en
  • US1933892A - Roller bit : en
  • US1934475A - Electric capacitor : en
  • US1934590A - Automatic door opening apparatus : en
  • DE587732C - Conveyor basket for mine conveyor systems : de en
  • GB401025A - Improvements in or relating to base exchange water softeners : en
  • US1933620A - Internal combustion engine : en
  • US1934101A - Fractionating process and apparatus : en
  • US1934336A - Closet flushing apparatus : en
  • US1934383A - Process of making permeable ceramic products : en
  • US1934489A - Change making or token vending machine : en
  • US1934521A - Rocker ring : en
  • GB401002A - Improvements in, or relating to, double-barrel sporting guns of the under-and-over type : en
  • GB401152A - Arrangement of several exhaust-driven turbo blowers in combination with multi-cylinder internal combustion engines : en
  • US1934035A - Handle attachment for sheet metal burial cases : en
  • US1934482A - Compressor : en
  • FR754523A - Disc wheel for pneumatic tires : en fr
  • DE587602C - Can for powdery goods, such as toilet powder or the like. : de en
  • DE587781C - Method of processing potatoes on alcohol : de en
  • DE587674C - Overview table : de en
  • USD90991S - Design for a serving tray or similar : en
  • US1934519A - Shutter : en
  • FR754549A - Septic tank system : en fr
  • GB401316A - Improvements in or relating to electrical wave filters : en
  • GB401113A - A holder for fishing flies, lures or the like : en
  • DE587728C - Electric heating pad for the heat treatment of boils, carbuncles, abscesses, all kinds of inflammations : de en
  • GB401083A - Improvements in eye shades : en
  • US1934635A - Hinge : en
  • CA336871A - Remote control apparatus : en fr
  • FR754601A - Marine probe system : en fr
  • GB401060A - Improvements in or relating to gasholders : en
  • US1933810A - Process of decorating plastic material : en
  • GB401122A - Apparatus for applying paint or enamel in lines : en
  • GB401146A - Improvements in change speed devices : en
  • GB401262A - Improvements in and relating to circuits employing electric discharge devices : en
  • US1933799A - Process for preparing parahydroxy-phenyl-glycine : en
  • US1934611A - Escapement : en
  • US1933774A - Electrical motor and method of starting the same : en
  • US1933970A - Frequency divider : en
  • DE587738C - Method and device for sorting the cigarettes dispensed from a stick cigarette machine according to their weight : de en
  • FR754415A - Improvements in ovens and similar apparatus and in the transport of materials therein : en fr
  • FR754637A - Improvements to metal shutters : en fr
  • US1933558A - Window construction : en
  • US1934454A - Oil blast circuit breaker : en
  • GB401166A - Improvements in or relating to electric circuit interrupters : en
  • GB402055A - Improvements in or relating to the production of porous materials : en
  • DE587922C - Shaft seal with rings made of thin metal sheets, which are resiliently positioned with their sealing edge perpendicular or almost perpendicular to the shaft axis against the shaft circumference and are guided by support rings right up to the shaft circumference : de en
  • DE570144C - Arrangement for sprinkling fields : de en
  • DE587847C - Device for applying and rubbing floor polish on floors : de en
  • GB401057A - Improvements relating to electric contact devices : en
  • US1934189A - Inclosed motor pump unit : en
  • DE580555C - When the room temperature rises, the locking device for doors, especially sliding and wing doors, shutters, etc. : de en
  • DE587844C - Arrangement to protect a three-phase line : de en
  • FR754366A - Process for improving the smell of combustion engine exhaust gases and resulting combustible product : en fr
  • DE587693C - Device in the loom for cutting off the weft thread loops and thread ends protruding from the selvedges : de en
  • DE587668C - On and off switch in electrical pickups : de en
  • DE588002C - Display stand for confectionery or the like. : de en
  • FR754440A - Bra, gaines, belts and similar undergarments having elasticity in varying directions and elastic lace intended for their realization : en fr
  • GB401327A - Improvements in or relating to the sizing and finishing of cotton or like yarns : en
  • DE587857C - Injection device for internal combustion engines : de en
  • FR754411A - Free wheel system : en fr
  • GB401036A - Improvements in or relating to inking mechanism for printing machines : en
  • US1934667A - Fluid pressure system : en
  • US1933537A - Hood supporting structure for baby carriages : en
  • FR754324A - : fr
  • US1933692A - Method of making tires and product : en
  • US1933706A - Amusement device : en
  • US1934433A - Vaporization of formamid : en
  • GB401252A - Improvements relating to valves for controlling the operation of water softening andlike apparatus : en
  • FR754668A - Method and tools for the construction of road surfaces, roofs, waterproof floors or similar constructions : en fr
  • FR754477A - Insecticidal compositions and their manufacturing process : en fr
  • FR754536A - Rod for cleaning rifle barrels : en fr
  • FR754671A - Improvements to vine shoots : en fr
  • US1933547A - Flaw detector for pipes : en
  • US1933644A - Centrifugal separation : en
  • GB401339A - Speed indicating arrangement for moving bodies, principally aerial moving bodies : en
  • GB401279A - A new or improved towelling : en
  • US1934666A - Roofing : en
  • US1933664A - Shoe form : en
  • US1933693A - Light control device for printing machines : en
  • US1933885A - Method of accurately shaping printing plates and apparatus therefor : en
  • CA336980A - Dispenser : en fr
  • FI15542A - Försäljningsautomat för läskdrycker eller vanligt vatten o.dyl. : en fi
  • GB401003A - Improvements in boxes particularly for viscous substances : en
  • GB401165A - Improvements in and relating to pre-payment meters : en
  • GB401683A - Improvements in or relating to film magazines for motion picture cameras : en
  • US1933739A - Process of producing glass : en
  • CA336943A - Tool : en fr
  • AT135236B - Steel tape for electromagnetic sound recording. : de en
  • FR754424A - Advanced paver : en fr
  • FR754737A - Sewing Machine Improvements : en fr
  • US1934428A - Stove : en
  • US1934239A - Making hollow articles of cast metal : en
  • GB401298A - Improvements in or relating to the treatment of hydrocarbons : en
  • DE587641C - Clip-in files with U-shaped locking springs made of wire, arranged in edge slots, for the pins of the binder : de en
  • US1934405A - Painting device : en
  • FR754609A - : fr
  • GB401082A - Improvements in electric conductors suitable for high frequency transmission : en
  • US1933993A - Water soluble derivatives of indigoid dyestuffs : en
  • FR754535A - Hand hoe with consecutive body earwarmers : en fr
  • FR754695A - Building stones and molds for their construction : en fr
  • DE587404C - Cross support for turning frames : de en
  • DE587799C - Umbrella in which a propeller is provided which can be rotated around the umbrella shaft : de en
  • DE587616C - Arrangement to prevent fluctuations in the torque transmission in fluid clutches or gears according to the Foettinger type : de en
  • DE587657C - Swiveling sink in a sink : de en
  • FR754384A - Improvements to hydrocarbon stoves : en fr
  • FR754686A - Microscope : en fr
  • DE588003C - Process for the production of paper containing fillers, in particular printing or art paper : de en
  • GB401295A - Improvements in the manufacture and production of solid greases : en
  • USRE18990E - Airplane : en
  • US1933592A - Dustproof connecter : en
  • US1934177A - Milking parlor stall : en
  • US1934660A - Tube cutting machine : en
  • DE587720C - Coil with magnetic core for weak alternating fields, which is continuously loaded with direct current during operation : de en
  • DE588018C - Impeller for a water turbine with radial inflow and outflow on the wheel circumference and free passage through the wheel drum : de en
  • US1934285A - Supporting means for doors : en
  • FR754431A - Refrigeration device for mills and crushers : en fr
  • GB401132A - Manufacture of dyestuffs of the anthraquinone series : en
  • GB401209A - Improvements in and relating to liquid meters : en
  • GB401254A - Improvements in variable condensers for use in radio-electric receiving apparatus : en
  • AT135314B - Chair. : de en
  • AT135431B - Gaiters, leg tubes, etc. like : de en
  • DE587661C - Scaffolding holder, which can be tensioned with a wedge, for fastening row planks to scaffolding posts : de en
  • US1933710A - Branch-fitting for water-tubes and method of making same : en
  • US1934080A - Weed exterminator : en
  • US1934283A - Scraper for ice cream freezers : en
  • US1934502A - Game : en
  • AU943632A - Improvements in or relating to taps and cocks : en
  • AT135404B - Electric tube. : de en
  • US1933600A - Concrete joist block : en
  • US1933926A - Chicken feeder : en
  • AT135238B - Multi-conductor power cables. : de en
  • AT135244B - Method and device for dyeing yarn laps by means of injection needles. : de en
  • US1934302A - Lung collapsing hammock : en
  • US1934425A - Burial casket bed : en
  • GB401055A - Improvements in and relating to welding : en
  • GB401343A - A fastener for securing broom heads to broomsticks : en
  • FR754455A - Gas or gasified liquid fuel stove : en fr
  • DE587800C - Lid holding device for raised lids on cooking pots : de en
  • GB400991A - Improvements in or relating to the vulcanization of rubber : en
  • DE587888C - Process for the direct production of pure hydrogen peroxide : de en
  • DE587948C - Clock with two minute hands : de en
  • GB401238A - Improvements in or relating to pencil sharpeners : en
  • USD90990S - Design for a cooking utensil : en
  • US1933541A - Ventilating and heating system and method : en
  • US1934028A - Process for the treatment of carbonaceous materials : en
  • DE587597C - Facility for patient treatment by means of electrical currents of very high frequency : de en
  • CA337024A - Winding machine : en fr
  • DK47973C - Telegraph Procedure for Automatic Creation of Received Wheatstone Signals with Associated Procedure for Execution of the Procedure. : da en
  • AT135414B - Cinema playback apparatus. : de en
  • AT135394B - Gripper assembly for motor vehicle wheels. : de en
  • AT135359B - Mixing and centrifuging machine for foundry sand. : de en
  • FI15538A - Folding chair : en fi
  • FR754588A - Optical printer for sound films : en fr
  • GB401094A - Improvements in or relating to the production of substantially carbon-free alloys : en
  • GR4389B - WHOLE WHEEL AND GUIDE TO AUTOMATIC GAME RULES. : el en
  • US1933756A - Safety car wrench : en
  • US1934185A - Sanitary paper holder and dispenser : en
  • US1934496A - Water heater : en
  • US1934003A - Check printing mechanism foe cash : en
  • US1934197A - Powder dispensing device : en
  • US1933682A - Measuring apparatus : en
  • US1934402A - Telephone system : en
  • USD90994S - Design for a spectacle frame : en
  • FR754454A - Assembly of steering units for motor cars comprising a central spar : en fr
  • DE587794C - Overload protection : de en
  • FR754475A - Apparatus for withdrawing volatile liquids : en fr
  • GB401226A - Devices for securing grinding, waxing, polishing or like attachments to the brush members of apparatus for treating floors and like surfaces : en
  • US1934535A - Roller-skate : en
  • US1933718A - Flexible vise : en
  • AT135357B - Single or multi-deck aircraft. : de en
  • CA336885A - Tension device : en fr
  • AT135272B - Device for image decomposition for the purpose of television. : de en
  • DE587632C - Counting device for displaying dispensed fluids : de en
  • DE587725C - Drum, especially for tanning purposes : de en
  • FR754369A - Waffle iron : en fr
  • GB401143A - Improvements in or relating to vehicles rolling on tracks or rails : en
  • DE587882C - Horizontal centrifugal sifter for wood pulp, cellulose or the like. : de en
  • CA336953A - Refrigerator : en fr
  • CA336925A - Coloured caulking cement : en fr
  • GB401212A - Improvements in or relating to splash guards for the wheels of road vehicles : en
  • US1933983A - Bust bodice or brassiere : en
  • CA336930A - Floor or roof slab : en fr
  • US1934540A - Apparatus for drying paper cups : en
  • US1934417A - Film splicing machine : en
  • FR754662A - Method of forming a grooved part by milling : en fr
  • US1934541A - Adjustable stop mechanism for yarn measuring spool winders : en
  • US1934509A - Loading unit for luggage carriers : en
  • US1934224A - Ruling machine : en
  • US1934404A - Coiffure shield : en
  • DE587939C - Shutters : de en
  • US1934672A - Nitrided steel articles : en
  • DE587936C - Bicycle lock : de en
  • CA336868A - Piston : en fr
  • CA337006A - Screened coil : en fr
  • AT135410B - Device to ensure the correctness of the X-ray tube current measurement in X-ray systems in Villard's circuit : de en
  • DE547947C - Magazine change cartridge : de en
  • DE587860C - Insulating agent against heat hazards, in particular for pipes : de en
  • DE587867C - Cushioning, especially for motor vehicles : de en
  • US1933654A - Driving device operated by the weight and muscular force of the human body : en
  • US1933690A - Controlling apparatus for highway crossing signals : en
  • US1933973A - Motor car stabilizer and safety brake : en
  • DE587845C - Safety device for the gas manifold of a central generator system : de en
  • FR754720A - Improvements to electrical signaling systems : en fr
  • DE587521C - Steam heating, especially for heating railway trains, by means of exhaust steam : de en
  • US1934500A - Automatically operated elevator door : en
  • US1934357A - Fluxing device for lock and lap seam bodymakers : en
  • US1933622A - Trailer fifth wheel and coupling construction : en
  • US1933743A - Heating furnace and method of forming the same : en
  • US1934098A - Envelope opening device : en
  • US1934086A - Stepladder : en
  • FR754406A - Cabinet with open drawer usable, in particular for disc motor and support of t stations. s. f. : en fr
  • AT135269B - Stopcock. : de en
  • DE587923C - Process for the production of turbine blade roots : de en
  • DE588031C - Memory or grave light : de en
  • FI15553A - Sorteringstrumma för cellulosakokflis och dyl. : en fi
  • AT135377B - Plate made of superimposed, differently colored layers for the production of objects of different colors from casein artificial horn on the visible or processing surfaces and process for the production of the plate. : de en
  • CA337025A - Centrifugal pump side plate : en fr
  • CA336874A - Dental plate manufacture : en fr
  • CA337008A - Fertilizer : en fr
  • US1934078A - Short wave beam transmitter : en
  • US1934194A - Construction and erection of fireproof partitions : en
  • AT135393B - Braking device for motor vehicles. : de en
  • US1934070A - Coffee maker : en
  • CA336900A - Printing press : en fr
  • USRE18987E - bouton : en
  • US1933640A - Glass edging machine : en
  • US1933652A - Process of making x-ray photographs : en
  • US1933688A - Soffit reenforcement : en
  • US1934119A - Folding table : en
  • AT135327B - Process for the production of heavy rusting aluminum-chromium-iron alloys. : de en
  • AT135350B - Disk gas container. : de en
  • CA336957A - Gas purification : en fr
  • CA336998A - Insulated railway car : en fr
  • DE587834C - Vice of a die setting and line casting machine with automatic provision of one vice jaw against a short die line : de en
  • GB401192A - Recording of sound : en
  • GB401311A - Improvements in or relating to television or like systems : en
  • GB401096A - Improvements in or relating to valves and methods of making the same : en
  • AT135263B - Wave power plant. : de en
  • AT135361B - Ice skate. : de en
  • AU854632A - Improvements in and relating to cathode ray tube apparatus : en
  • AT135235B - Valve control for locomotive and ship steam engines. : de en
  • US1933655A - Garden hose guide : en
  • US1934168A - Textile machinery spool and core : en
  • GB401154A - Improvements in or relating to bonds, e.g. for built-up crank shafts and the like : en
  • AU949832A - Process for conservation of animal raw materials : en
  • FR754481A - Branch or junction connector for electrical conductors : en fr
  • AT135302B - Printing device for scales. : de en
  • FR754432A - Method and device for obtaining coarse-grained crystals by vacuum evaporation and graduated cooling : en fr
  • FR754419A - Roller straightening machine : en fr
  • FR754643A - Improvements made to devices comprising a duct, passage or orifice, of small cross section, delivering a fluid, in particular to sprayers : en fr
  • AT135375B - Hydraulic tilting device, in particular for motor vehicles. : de en
  • CA336876A - Hair waving heater : en fr
  • AT135305B - Pull spring. : de en
  • CA336882A - Cigarette making machine : en fr
  • FR754427A - Improvements made to ovens and all other similar household appliances used for cooking and reheating food : en fr
  • FR754465A - Brush back : en fr
  • AT135266B - Rotating hydraulic servo motor. : de en
  • US1933591A - Motor : en
  • US1934501A - Core type transformer : en
  • US1934524A - Control device : en
  • DE587793C - Process for the step-by-step introduction of rapid protection systems with the line resistance monitoring minimum relay in line networks : de en
  • DE587650C - Milliampere second meter for longer duty cycles, e.g. B. for performance measurement with X-ray recordings : de en
  • DE587694C - Hydroelectric storage system with common pressure line for turbine and pump : de en
  • FR754519A - Improvement in control surfaces controlling the operation of an aircraft : en fr
  • USD90997S - Design fob a bedstead : en
  • DE587586C - Process for the preparation of optically levorotatory 1-phenyl-2-aminopropanol- (1) : de en
  • GB401041A - Improvements in or relating to the reformation of deformed can bodies, or the like : en
  • GB401220A - Improvements relating to thermostatic valve-controlling devices for steam boilers : en
  • CA336973A - Brake : en fr
  • DE587815C - Reinforcement cage for piles stamped out of concrete : de en
  • DE587915C - Process for the automatic regulation of the strength ratio of several speech circuits connected in parallel : de en
  • GB401199A - A process for bleaching vegetable fibres : en
  • US1934187A - Electrical means for testing translucent materials : en
  • GB401136A - Improvements in joint covering beadings : en
  • US1934462A - Muffler : en
  • US1934493A - Selector control mechanism : en
  • US1934507A - Motor control system : en
  • US1933584A - Window screen : en
  • US1933812A - Perpetual calendar of the roller type : en
  • US1933894A - Tool box : en
  • DE587967C - Glasses for glasses, especially protective goggles, and gas masks : de en
  • FR754590A - Elastic shaft coupling : en fr
  • GB401085A - Improvements in and relating to pistons and piston-packing rings : en
  • FR754401A - Pipe wrench : en fr
  • GB401128A - Improvements in and relating to electric lamps : en
  • US1933568A - Method of making piston rings : en
  • US1933742A - Resilient stop for navigational sounding machines : en
  • US1934234A - Process for purifying and concentrating acid : en
  • GB401089A - An improved hinge : en
  • US1934659A - Carbocyanine dyes and method of preparing them : en
  • FR754501A - Method and device for slicing bone-in meats : en fr
  • US1934033A - Compound of the aroyl-o-benzoic acid series : en
  • US1934277A - Die stamping machine : en
  • US1934430A - Necktie-rack : en
  • US1934331A - Combination flash light and camera : en
  • US1933906A - Cultivator : en
  • FR754674A - New water-soluble azo dyes : en fr
  • FR754660A - Drying improvements for construction timber and other materials : en fr
  • US1933632A - Combination humidifier, cigar lighter, and ash tray arrangement : en
  • US1933975A - Process of preparing acylated phenols : en
  • GB401024A - Improvements in two stroke compression ignition engines : en
  • US1933550A - Typewriting machine : en
  • DE572993C - Magazine change cartridge : de en
  • US1934043A - Process of improvement of lubricating oils : en
  • US1934415A - Tool retainer : en
  • DE587568C - Device for releasing the leaf in loose leaf looms : de en
  • US1934049A - Hydrocarbon cracking process : en
  • US1934109A - Clutch : en
  • USD90985S - Design for a wrist watch bracelet : en
  • DE585941C - Device for grinding coffee or the like. : de en
  • DE587960C - Centrifugal switch, especially for single-phase induction motors : de en
  • FR754543A - Control device for grid-operated discharge vessels filled with gas or steam : en fr
  • US1933659A - Film clip : en
  • US1934029A - Process for treating gaseous mixtures : en
  • US1934639A - Alkaline filler : en
  • US1934147A - Refrigeration apparatus : en
  • DE587637C - Dough dividing machine : de en
  • US1934149A - Drier : en
  • FR754388A - Process for dyeing hides and skins using sulfur dyes : en fr
  • FR754547A - Rotating polishing table : en fr
  • GB400971A - Improvements in or relating to carding machines : en
  • FR754514A - Car for household garbage removal : en fr
  • FR754599A - Improvements to color cinematography : en fr
  • GB401127A - Improvements in or relating to hub brakes : en
  • GB401189A - Improvements in and relating to cigar bunch shaping mechanism for cigar machines : en
  • GB401144A - Improvements in variable speed gearing : en
  • FI15554A - For the production of impregnated paper and paperboard paper : en fi
  • FR754625A - Projector fully enclosed, glare-free : en fr
  • GB401278A - Improvements in cooling apparatus for transformer tanks and like uses : en
  • FR754511A - Assembly for diesel-electric motor vehicles : en fr
  • DE587553C - Cylinder mold paper machine : de en
  • DE587950C - Device on mechanical looms, influenced by the weft guard, which causes the dobby to run backwards in the event of a miss, while the parking device stops the loom : de en
  • DK47984C - For the tensioning of the percussion bolt with the hand in the case of clickers serving device by self-loading rifles. : da en
  • US1933704A - Rendering fibrous material impervious to tetra alkyl lead : en
  • US1933960A - Apparatus for the removal of vaporizable constituents from liquid or pasty or solid matters : en
  • FR754423A - Reinforced concrete sleeper for railway tracks and device for fixing the rails to said sleeper : en fr
  • DE587394C - Heating device for warming, ironing purposes and. like : de en
  • DE587894C - Trigger magnet for oil switch : de en
  • DE552918C - Manufacture of aluminum silicon sulphide : de en
  • FR754596A - Method for the hydraulic transmission of forces and mechanism for implementing this method : en fr
  • US1934652A - Method of making cop tubes : en
  • CA336968A - Radio receiver : en fr
  • US1934313A - Method of heat treating malleableized cast iron : en
  • US1934491A - Brake : en
  • US1933679A - Tractor wheel scraper : en
  • US1933818A - Guy wire protector : en
  • US1934083A - Manufacture of steel : en
  • US1934321A - Plow : en
  • US1934585A - Apparatus for vacuum sealing screw cap containers : en
  • US1933839A - Bathroom fixture : en
  • US1933853A - Device for feeding steam boilers generating steam of high pressure : en
  • US1934020A - Mechanical gas valve : en
  • CA336940A - Deion circuit breaker : en fr
  • AU985332A - Improvements in or relating tothe application of coating substance : en
  • AT135213B - Process for the production of castings from iron or steel, in particular from alloyed castings with increased resistance to fire, acids and alkalis. : de en
  • AT135239B - Gliding ship. : de en
  • AT135362B - Tobacco feeding device for cigarette machines. : de en
  • US1934015A - Optically active 1-phenyl-2-(nmethyl-n-aralkyl-) aminopropaphenyl-2-(n-methyl-) aminopropanols-1 and optically active 1-nol-1 and process of preparing them : en
  • US1934668A - Propeller : en
  • US1934419A - Apparatus for regulating the temperature of gases containing so3 and h2so4 : en
  • US1934266A - Waterproof joint : en
  • DE587937C - Process for automatic tap closure on rotating counter-pressure bottle filling machines : de en
  • FR754448A - Improvements to movable mirror measuring devices : en fr
  • FR754593A - Improvements in photoelectric devices : en fr
  • DE587626C - Stopcock to be switched on in the compressed air supply line of a compressed air tool : de en
  • US1933723A - Poultry waterer : en
  • DE587873C - Cleaning and disinfection device for garbage and waste materials and their containers : de en
  • FR754376A - So-called "adjustable" cathode with transverse deviation : en fr
  • GB401065A - Improvements in or relating to shock absorbers for vehicles : en
  • GB401669A - Improvements in or relating to motion picture film magazines and films : en
  • DE587698C - Metal dry rectifier : de en
  • US1933611A - Automatic water heater : en
  • US1934513A - Veterinary obstetrical instrument : en
  • DE587675C - Internal combustion engine with a shielded inlet valve : de en
  • DE587968C - Roller hanger for curtains, drapes, etc. like : de en
  • DE587531C - Grate for burning poor fuels : de en
  • DE587761C - Ship shape : de en
  • DE587854C - Two-stroke internal combustion engines with two parallel cylinders, each with a combustion chamber and a pre-compression chamber : de en
  • DE588007C - Filler pencil : de en
  • US1933758A - Dustpan control means for carpet sweepers : en
  • US1934358A - Automatic turret clamp : en
  • US1934673A - Metallic joint and method of forming it : en
  • DK47998C - Bread frame for Bakery. : da en
  • FR754528A - Control device for speed change for cycles : en fr
  • FR754690A - Method and device for purifying, odorless and silencing and detoxifying exhaust gases, in particular exhaust gases from internal combustion engines and similar machines : en fr
  • DE587703C - Centerless grinding machine : de en
  • US1934159A - Filter : en
  • US1934445A - Drink mixer : en
  • US1933677A - Grinding machine : en
  • US1934624A - Flexible stem for lighting fixtures : en
  • US1933669A - Selective antenna circuits : en
  • US1934317A - Hollow stone ceiling : en
  • US1934322A - Cathode ray oscilloscope : en
  • US1934120A - Fixed reed rotary box loom : en
  • US1934426A - Edge-guide for book-sewing machines : en
  • FR754412A - Process for the production of lead glazes : en fr
  • GB401158A - Improvements in knot-forming mechanism : en
  • US1934348A - Transporting means for heavy machines : en
  • DE587670C - Device for guiding sound films at the control station : de en
  • AT135306B - Dry running water meter. : de en
  • AU991932A - Improvements in or relating to electrical modulation systems : en
  • US1933860A - Truss weld system : en
  • US1934451A - Ultra-violet sensitive layer : en
  • CA337036A - Woven crepe fabric : en fr
  • DE587721C - Process for gasifying solid fuels by melting ashes : de en
  • FR754483A - Improvements in processes for applying metallic coatings to chromium and chromium alloys : en fr
  • GB401142A - Improved process for the preparation of higher ethers : en
  • US1933598A - Boat : en
  • CA337016A - Drainage device : en fr
  • CA336872A - Amusement device : en fr
  • CA336880A - Toasting machine : en fr
  • AT135204B - Self-locking screw connection. : de en
  • AT135246B - Fountain pen with self-filling device. : de en
  • AT135376B - Air brake. : de en
  • US1934416A - Vibration translating device : en
  • US1934025A - Manufacture of flexible shafting : en
  • US1934549A - Douge divider with compartment disk : en
  • US1933913A - Hair waving protector : en
  • AT135341B - Process for the production of clear condensation products from formaldehyde, urea and thiourea. : de en
  • CA337007A - Typewriter : en fr
  • AT135403B - Method and device for hot water heating with intermittent water circulation. : de en
  • DE587733C - Device for painting, plastering and processing building walls : de en
  • AT135261B - Rotary lobe compressors. : de en
  • CA336992A - Sound reproducing diaphragm : en fr
  • CA336899A - Power transmission system : en fr
  • CA336993A - Knitted metallic fabric : en fr
  • AT135215B - Cigar or cigarette case. : de en
  • US1933864A - Valve construction : en
  • US1934259A - Sewing machine : en
  • US1934592A - Cast product embodying material of low specific gravity : en
  • DE556169C - Frame angle antenna for direction finding purposes : de en
  • DE587863C - Automatic switch-off device for driving an electrically driven cylinder boring machine : de en
  • US1933731A - Roller bearing wedge riveter : en
  • US1934104A - Fastening machine and wire mounting therefor : en
  • DE587868C - Bolt latch lock : de en
  • GB401056A - Method of and means for collecting and facilitating the removal of waste fibre and trash in connection with carding engines : en
  • CA336856A - Centrifugal machine : en fr
  • CA336935A - Radiographic illuminator : en fr
  • CA336944A - Cloth finishing machine : en fr
  • DE587884C - Zipper : de en
  • US1933961A - Comminutor or cutter : en
  • US1934332A - Washable gauntlet glove : en
  • US1933846A - Floor machine : en
  • US1933722A - Automatic lubricating mechanism : en
  • US1934375A - Fluid pressure indicator and control : en
  • FR754633A - Advanced tool for grinding cylindrical holes : en fr
  • DE587682C - Handle for handlebars on bicycles : de en
  • DE587981C - Brokerage of contacts for exchangeable fuses, especially in high voltage systems : de en
  • AU991732A - An improved rotary clothes drying appliance : en
  • DE587708C - Storage folder for files and like : de en
  • AT135290B - Time counters for telephone subscriber stations. : de en
  • DE587608C - Vulcanization accelerator : de en
  • AU1087533A - A process forthe production of cellulose pulp from Phormium Tenax, Phormium Colensoi and Esparto Grass (stipa tenacissima) andthe product thereby produced : en
  • US1933630A - Control for electric hoists : en
  • US1933648A - Mixer : en
  • US1933868A - Method of filter-aid dewaxing : en
  • US1933992A - Carburetor : en
  • US1934353A - Fastening device : en
  • DE587773C - Insulation for windings housed in half-open slots in electrical machines, which consists of several layers lining the slot, loosely on top of one another : de en
  • FR754398A - Textile and rubber shoe : en fr
  • US1933794A - Cellulose organic ester composition of matter containing a benzyl ether of a hydroxybenzene : en
  • US1933880A - Tangentmeter : en
  • US1934198A - Control device : en
  • US1934472A - Method of separating carbon dioxide from a gas mixture : en
  • AT135434B - Process for forming hollow bodies from plastic masses. : de en
  • AU1180433A - An improved thermostat : en
  • US1933713A - Power driven valve operator : en
  • AT135420B - Shoe insole for cushioning the foot. : de en
  • DE587825C - Rotary piston control for fuel injection pumps : de en
  • FI15539A - Kokapparat : en fi
  • DE587826C - Device for taking into account the influence of foundation fluctuations when setting up guns or the like. : de en
  • US1934440A - Process of concentrating ore by flotation : en
  • US1933954A - Flash welding : en
  • FR754493A - Electric striking clock : en fr
  • US1934271A - Service tray : en
  • US1933871A - Lock washer : en
  • FI15528A - Sports blouse with chest and shoulder reinforcement : en fi
  • FI15557A - Anordning vid slutna plåtkärl exempelvis konservdosor : en fi
  • US1933725A - Turnstile : en
  • US1934044A - Drilling machine : en
  • DE587879C - Remote control system for the control and monitoring of adjustable organs arranged in a branch, which, as soon as they have been transferred to the other position by a command given by the main unit, cause this new position to be reported back to the main unit : de en
  • FR754598A - Writing pad adaptable to automobile steering wheels : en fr
  • DE587964C - Electrical capacitor of high capacitance, the band-shaped coverings of which are separated by insulating layers and protruding over the winding body at both ends are wound on a flangeless tube that is open at both ends : de en
  • GB401323A - Improvements in or relating to carrier wave telephony systems : en
  • US1933540A - Tractor : en
  • US1934290A - Awning type window : en
  • US1934520A - Alloy steel : en
  • DE587851C - Bolometer : de en
  • DE588094C - Can for paste-like mass, especially floor polish : de en
  • GB401090A - Improvements in or relating to boxes or receptacles for storing labels and the like : en
  • US1934591A - Foot arch support : en
  • AT135304B - Method and device for feeding and clamping, in particular wood screw workpieces. : de en
  • GB401326A - Improvements in fish-plates or rail couplings : en
  • GR4388B - SYSTEM AND APPARATUS FOR THE MANUFACTURE AND STORAGE OF PRESSURE GAS, CO2 AND OTHER GAS THROUGH THE NEW RELEASE FROM THE STAR. : el en
  • DE587917C - Spoolable magnetogram carrier : de en
  • US1934151A - Safety razor blade : en
  • GB401040A - Improvements in machines for testing the dynamic balance of rotary bodies : en
  • US1933691A - Drapery fixture : en
  • US1934340A - Pipe grate and actuating tool : en
  • US1933893A - Liquid dispenser : en
  • US1933922A - Harvester : en
  • US1934676A - Apparatus for feeding molten glass : en
  • DE587710C - Blowdown valve : de en
  • FR754499A - A method of unblocking clogged drains such as those of sinks, wash basins and the like : en fr
  • GB401248A - Improvements in or relating to heating radiators operated by hot water circulation : en
  • FR754651A - Development of weaving shuttles : en fr
  • GB401268A - Pistons and piston rings for fluid-pressure engines : en
  • DE587652C - Process for the preparation of monoazo dyes : de en
  • DE587776C - Pattern device for circular knitting machines : de en
  • CA336901A - Fertilizer applicator : en fr
  • US1934347A - Screw : en
  • US1934369A - Electric discharge device : en
  • DE587535C - Process for cleaning teeth and massaging body parts by means of a liquid jet : de en
  • US1933556A - Separation of alcohol from ammonia : en
  • DK47978C - Front fork safety for bicycles. : da en
  • US1933828A - Preparation of cellulose nitroacetate higher fatty acid ester : en
  • US1934046A - Syringe for hypodermic medical injections : en
  • US1934225A - Dispensing device : en
  • US1934254A - Pillow and appliance therefor : en
  • DE587924C - Process for hot pressing of workpieces made of non-precious metals and their alloys : de en
  • DE587971C - Process for the production of cutlery items with reinforced precious metal coating on the support points : de en
  • US1933878A - Aeronautical roof sign : en
  • US1933825A - Bone spike or peg : en
  • US1934243A - Fuse link : en
  • US1933588A - Centrifugal separator : en
  • US1934055A - Method for the separation of hydrogenated hydrocarbons : en
  • US1934249A - Outside brush mechanism for bottle washers : en
  • US1934261A - Synthetic gum lacquer : en
  • US1933840A - Stamp vending machine : en
  • USD90993S - Design for an emblem holder for : en
  • AT135237B - Sleeve for inserting cylindrical or polygonal objects. : de en
  • AT135391B - Device for regulating the air that flows into the trainline from the main air reservoir via a pilot valve. : de en
  • US1933832A - Glow tube : en
  • US1934155A - Refrigerating apparatus : en
  • DE588024C - Process for the production of corrosion-resistant objects from corrodible aluminum alloys : de en
  • DE587605C - Roofing : de en
  • DE587941C - Aiming device for guns : de en
  • FI15530A - Vals for manglar and dlik : en fi
  • DE587811C - Ink eraser : de en
  • FR754405A - Improvements made to the frames of cookers enclosing ceramic tiles : en fr
  • FR754585A - Vane propeller : en fr
  • FR754630A - Suspension device for chair seats and similar furniture : en fr
  • FR754692A - Process and tooling for the manufacture of tubes or metal wires lined or formed from several tubes or elementary wires joined together : en fr
  • FR754484A - Improvements made to binding devices, in particular for sheets of paper, brochures, magazines, fabrics, etc. : en fr
  • GB400994A - Improvements in and relating to electric discharge rectifiers : en
  • FR754573A - Ashtray : en fr
  • GB401325A - Improved means for feeding sheets of paper, envelopes and the like to typewriting machines : en
  • DE587706C - Lifting and lowering device of the central roller for trio scaffolding : de en
  • DE587612C - Closure for adjustable bracelets : de en
  • DE587774C - Process for the processing of crude petroleum : de en
  • FR754363A - Improvements to devices for mixing drinks : en fr
  • GB401118A - Improved manufacture of high-molecular sulphur compounds : en
  • FR754653A - Combined device for switching on the device and controlling the pump, together or separately on a heavy-duty sprayer : en fr
  • DE587978C - Unwinding device for the material web running off a roll, e.g. B. paper : de en
  • FR754659A - Board game : en fr
  • FR754562A - Improvement in wardrobe beds : en fr
  • US1934469A - Alternating current self-excited commutator type generator : en
  • USD90980S - Design fob a clock case or similar : en
  • FR754464A - Method and device for the production of metallography clichés : en fr
  • GB401141A - Improvements in or relating to detachable soles and heel lifts or protectors : en
  • FR754382A - Double-acting internal combustion engine : en fr
  • GB401011A - Improvements in or relating to vacuum sweeping machines : en
  • DE587914C - Holding arm for electric pickups : de en
  • DE587810C - Hook lock for anti-skid pieces on snow chains : de en
  • DE588063C - Winding body for toroidal coils with almost punctiform support of the windings : de en
  • GB401044A - Improvements in and relating to extending refectory tables : en
  • DK47967C - Apparatus for Shrinking and Stretching Woven Fabrics or Yarn. : da en
  • US1934042A - Dental apparatus : en
  • US1933804A - Regeneration of photographic developers : en
  • DE587416C - Method for the optional transmission of a command from a group of several commands from a sending station to a receiving station : de en
  • FR754679A - Improvements relating to cotton preparation processes for spinning : en fr
  • DE587954C - Process for the production of a basic mixed fertilizer containing phosphoric acid and nitrogen : de en
  • DK48000C - Attenuator for Use at Very High Frequencies. : da en
  • US1934343A - Sewing machine attachment : en
  • CA336929A - Tile board manufacturing apparatus : en fr
  • DE587687C - Device for the energy supply of electric ignition devices with capacitors as ignition current carriers : de en
  • DE588068C - Fluid switch with conductive switching fluid : de en
  • GB401042A - Improvements in or relating to miners' safety and like lamps : en
  • GB401265A - Improvements in and relating to sheet feeding mechanism and stencil duplicating and other office printing machines comprising the same : en
  • AT135352B - Process for making paper and similar substances impermeable, and goods made therefrom. : de en
  • AT135444B - Arrangement for generating high-frequency modulated ultrashort electrical waves. : de en
  • CA337015A - Electrolytic condenser : en fr
  • AT135432B - Money changing machine. : de en
  • GB401221A - Improvements in and relating to automatic circuit-breakers : en
  • GB401258A - Improvements in or relating to fur fasteners : en
  • CA337019A - Draft rigging : en fr
  • DE587855C - Method and device for canceling or reducing the torsional vibrations of the crankshaft when stopping internal combustion engines : de en
  • DE587944C - Ice skate with swiveling heel support : de en
  • FR754602A - Tensioner for metal tie, applicable in particular to strapping cables of underground electrical pipelines : en fr
  • GB401320A - Improvements in hair wavers : en
  • FR754594A - Turbo-electric marine propulsion installation : en fr
  • GB401668A - Improvements relating to removable film magazines for motion picture cameras : en
  • DE587399C - Self-indicating scales with pressure device : de en
  • GB401145A - Improvements in valve mechanism for internal combustion engines : en
  • FR754545A - Improvements to starters : en fr
  • AT135312B - Coat hook that can be pulled out of the wall. : de en
  • US1933699A - Flue gas cleaning apparatus : en
  • US1934409A - Method and apparatus for electrically welding pipe : en
  • CA336920A - Logging bummer : en fr
  • DE587658C - School and drawing board with several individual boards : de en
  • DE587925C - Laengsnahtloetmaschine : de en
  • US1933831A - Photographic printing apparatus : en
  • US1934265A - Oil burner attachment : en
  • US1934146A - Refrigeration apparatus : en
  • AU1023432A - Improvements in or relating tothe vacuum-sealing of canisters bottles, jars and like containers : en
  • US1933687A - Incubator : en
  • AT135379B - Rear bumper, in particular for motor vehicles. : de en
  • CA336972A - Semi-trailer : en fr
  • AT135206B - Stuffing box-free valve with drainage chambers, especially safety valve or drain valve. : de en
  • CA336971A - Vehicle spring suspension : en fr
  • AT135217B - Support leaf spring support. : de en
  • AT135437B - Method and device for charging rotary kilns with sludge-like material to be fired. : de en
  • US1934036A - Burial vault : en
  • CA336983A - Folding mechanism : en fr
  • CA336989A - Golf club making apparatus : en fr
  • AT135313B - Tilting and swiveling work table for weldments. : de en
  • FR754591A - Improvements to electrical transmission systems using lines fitted with repeater devices : en fr
  • GB400987A - Improvements in or relating to double-barrel sporting guns of the under-and-over type : en
  • CA337021A - Locking device : en fr
  • US1933971A - Grid winding machine : en
  • US1934345A - Magnet : en
  • US1934560A - Wall plug : en
  • DE587656C - Waterproof pouch : de en
  • AT135259B - Lider for pistons of all kinds of piston engines, in particular diesel engines. : de en
  • US1933535A - Harvester : en
  • US1933562A - Film magazine : en
  • US1933837A - Doctor blade for rolls, cylinders, and the like : en
  • US1934076A - Carbon remover : en
  • US1934192A - Condenser : en
  • AT135264B - Friction clutch operated by a pressure medium. : de en
  • US1933798A - Manufacture of propellers : en
  • US1934082A - Reduction of ore : en
  • US1934525A - Wave transmission system : en
  • AU1097233A - Improvements relating to valves : en
  • CA336941A - Time limit relay : en fr
  • US1933896A - Headlight construction : en
  • US1934229A - Electric line protective system : en
  • CA337020A - Station selecting system : en fr
  • CA336862A - Wrench : en fr
  • FR754557A - Centrifugal mechanical rocket : en fr
  • DE587611C - screen : de en
  • DE587623C - Auxiliary power clutch for motor vehicles operated by pressure medium : de en
  • DE587843C - Protective circuit for parts of an AC system with a grounded zero point : de en
  • DE587885C - Process for the production of tight, unset double anchor chains, so-called cord chains : de en
  • DE587762C - Device for the common guidance of two parts with transmission of the movement, particularly applicable for sliding doors with two panels : de en
  • CA336904A - Locking device for type matter : en fr
  • US1934273A - Incubator : en
  • US1934342A - Mop holder : en
  • US1933826A - Cellulose organic ester composition containing an ethyl ether of the ethylene glycol mono-ester of a hydroxy aliphatic acid : en
  • US1934589A - Method of and apparatus for making reenforced sheets : en
  • US1934661A - Steam power plant : en
  • AT135382B - Process for the production of highly relief-like embossments on plate-shaped, plastic or thermoplastic, in particular celluloid-like materials. : de en
  • CA336946A - Resistance element : en fr
  • US1934484A - Camera : en
  • USD91002S - Design for an air circulator : en
  • US1933581A - Grinding apparatus : en
  • US1934381A - Game : en
  • FR754624A - Photographic sound recording : en fr
  • GB401204A - Improvements in or relating to perfumery outfits : en
  • AU940332A - An improved baffle for preventing the ingress of ants and like vermin to safes and like articles of furniture wherein comestibles are stored : en
  • CA337000A - Telephone system : en fr
  • US1934477A - Electrostatically controlled electric discharge device : en
  • CA336863A - Spring making mechanism : en fr
  • CA336967A - Franking machine : en fr
  • AT135417B - Device for advancing a tape or wire-shaped body, for example in a device for recording or playing back sound films. : de en
  • US1934107A - Advertising apparatus : en
  • DE587989C - Reduction circle : de en
  • US1933927A - Electrical cooking utensil : en
  • US1933982A - Splash guard : en
  • US1934328A - Seam for sewed articles : en
  • CA336985A - Train pipe connector : en fr
  • CA337018A - Paper manufacture : en fr
  • FR754558A - Rocket for artillery projectile : en fr
  • FR754638A - Improvements to duplicating machines, called duplicators : en fr
  • GB401157A - Stoning fruits : en
  • US1933881A - Cotton harvester : en
  • US1934253A - Nut castellating machine : en
  • US1934135A - Splash guard : en
  • US1933980A - Yarn holding mechanism : en
  • US1933815A - Process of making mixed cellulose esters : en
  • US1934576A - Portable floodlight unit for airports : en
  • US1934622A - Bread slicing machine : en
  • GB401114A - Method of and device for regulating the supply of tobacco to cigarette making machines : en
  • US1933543A - Apparatus for applying cementitious material : en
  • US1934303A - Gauge mechanism for punch presses : en
  • AT135395B - Security door lock. : de en
  • DE587796C - Process for the production of writing inks : de en
  • DK47987C - Burner for Liquid Fuel. : da en
  • FR754400A - Method and apparatus for the production of wire mesh or wire mesh : en fr
  • GB401012A - Improvements in or relating to analysing mechanism for record card controlled statistical machines : en
  • GB401197A - Improvements relating to sliding seats : en
  • GB401233A - Improvements in and relating to lubricating devices : en
  • DE587714C - Tube circuit for smoothing the voltage of DC machines : de en
  • FR754663A - Strawberry enhancements : en fr
  • FR754673A - Lenticular network film : en fr
  • GB401018A - Stabilization of oils and fats : en
  • DE587607C - Process for the production of hollow rubber objects, in particular rubber balls : de en
  • US1934173A - Tire chain : en
  • FR754402A - Improvements to combined speedometer tachometers : en fr
  • US1934139A - Means for sharpening safety razor blades : en
  • FR754414A - Fungicidal products and their manufacturing processes : en fr
  • US1933561A - Grain separator : en
  • US1934132A - Fisherman's implement : en
  • US1934311A - Air cleaner : en
  • DE587183C - A toy animal figure in a replica of a kangaroo jumping on the hind feet : de en
  • GB401053A - Improvements in pneumatic conveying or elevating plant for grain and the like : en
  • US1934354A - Manufacture of wire glass : en
  • GB401014A - Improvements in or relating to axle-boxes : en
  • FR754469A - Improvement in belt buckles and others : en fr
  • DE587715C - Electric incandescent lamp or tube with a glass vessel permeable to visible and ultraviolet rays : de en
  • DE587849C - Device for centrifuging metals and alloys : de en
  • FR754646A - Sliding bracket for motor vehicle contour lights : en fr
  • AU1056432A - Improvements relating to wheels : en
  • CA337028A - Sifter : en fr
  • DE587587C - Holding cylinder high-speed press : de en
  • GB401108A - A new hinge for real and imitation tortoiseshell spectacle frames and the like : en
  • DE587779C - Zipper : de en
  • DE588066C - Switch with arc extinguishing by flowing compressed gas : de en
  • GB401123A - Improvements in or relating to railway track members : en
  • GB401368A - Improvements in insulating electrical conductors : en
  • US1933595A - Sand or sediment trap for pumping wells : en
  • US1934103A - Roller screen : en
  • US1934314A - Valve construction : en
  • GB400972A - Improvements in pulleys for use in machinery for spinning or doubling fibrous materials, and other machinery : en
  • US1933696A - Manufacture of aliphatic compounds : en
  • US1933911A - Rectilinear electromagnetic motor : en
  • FR754675A - Improvements in the hydrogenation of carbonaceous materials : en fr
  • GB401112A - Improvements relating to cooling radiators and similar heat exchangers : en
  • GB401300A - Improvements in or relating to machines for cutting up wood, vegetables or other like materials : en
  • FR754648A - Floating oar : en fr
  • US1933781A - Apparatus for the control of highway crossing signals : en
  • AT135371B - Tighter for ski bindings. : de en
  • DE587481C - Road vehicle used to move railroad cars : de en
  • FR754498A - Improvements to remote level indicators : en fr
  • FR754505A - Swivel excavator with bucket chain including swivel conveyor-dumper : en fr
  • GB401229A - Improvements in cadmium-nickel alloys : en
  • GR4392B - HOW TO MAKE FABRIC SHOES WITH RUBBER SOLE. : el en
  • US1933836A - Means to produce a hydrocarbon and metallic sol : en
  • DE587556C - Control rods for windshield wipers that move in a straight line : de en
  • US1933671A - Brake mechanism : en
  • US1934153A - Spring assembly for upholstery and mattresses : en
  • DE587784C - Process for the production of ketones : de en
  • GB401342A - Improvements relating to chicken hovers or brooders : en
  • DE587066C - Upper jaw attachment : de en
  • DE587595C - Device for forming the geometric sum or difference between two vector quantities, preferably for regulating the voltage in networks : de en
  • FI15541A - Ballonteodolite : en fi
  • DE587807C - Process for the electrolytic deposition of palladium : de en
  • DE587890C - Process for the production of phosphate fertilizers : de en
  • FR754471A - Lift wing device for flying devices : en fr
  • GB401027A - Improvements in coil winding machines : en
  • GB401177A - Improvements in or relating to multi-cylinder fuel injection pumps for internal combustion engines : en
  • GB401021A - A process for the production of enamelled iron articles : en
  • DE587621C - Device for simultaneous winding and unwinding of an endless film strip : de en
  • GB400993A - Improvements in and connected with feeding troughs for chicken rearing apparatus and like purposes : en
  • DE587636C - Cleaning device for bowl sieves : de en
  • DE587909C - Luffing crane : de en
  • FR754669A - Cosmic filter : en fr
  • GB401075A - Improvements in rollers for ground ropes of trawl nets : en
  • US1934438A - Explosion safety door for combustion chambers : en
  • US1933619A - Internal combustion engine : en
  • US1933923A - Clock and timekeeping means : en
  • US1934100A - Production of neat s-fooff : en
  • GB400990A - Improvements in or relating to the vulcanization of rubber : en
  • GB401276A - Improvements in and relating to methods of moulding articles : en
  • US1934057A - Insecticide : en
  • US1934306A - Automobile signal : en
  • US1934339A - Orchard heater : en
  • AT135300B - Pressure switch in series with air switch. : de en
  • AT135344B - Process for the polymerization of unsaturated hydrocarbons. : de en
  • FR754377A - Improvements to automatic weapons : en fr
  • GB401196A - Improvements relating to sliding seats : en
  • FR754489A - Pliers for cutting saw blades : en fr
  • US1933616A - Glass substitute : en
  • GB401077A - Improvements in or relating to devices or apparatus for emulsifying, atomizing or spraying liquids : en
  • GB401148A - Process and apparatus for producing a pressure medium : en
  • AT135360B - Kite plane. : de en
  • US1933876A - Bath sponge : en
  • US1933872A - Hob grinder : en
  • US1934248A - Bottle cap ejector : en
  • US1933856A - Electric current rectifier control system : en
  • FR754615A - Method and device for grinding curved surfaces : en fr
  • US1934260A - Building construction : en
  • DE587347C - With cutting disk and scraper working chopping machine for sugar beet or the like. : de en
  • FR754581A - Advanced landing gear for flying machine : en fr
  • GB401073A - Improvements in or relating to jugs and like vessels : en
  • US1933848A - Valve actuating device : en
  • US1933850A - Pitching horseshoes : en
  • FI15534A - Vibrations for the vehicle : en fi
  • US1934441A - Front wheel brake : en
  • FR754403A - Advanced fishing rod : en fr
  • FR754614A - Moisture-proof paper : en fr
  • US1933590A - Motor : en
  • US1933917A - Outdoor billiard table : en
  • US1934379A - Oil burner : en
  • US1934435A - Cut-out device for electric lamps : en
  • US1934550A - Pavement form spader : en
  • US1934598A - Lock strip license tag : en
  • FR754559A - Centrifugal actuator for mechanical rockets of artillery projectiles : en fr
  • GB401172A - Improvements in or relating to ventilated footwear : en
  • US1933855A - Animal snare : en
  • US1933977A - Dentifrice preparation : en
  • FR754500A - Ignition device with hollow center electrode and valve : en fr
  • US1933821A - Cable lock for collapsible revolving doors : en
  • US1933978A - End frame for railway cars : en
  • US1934006A - Temperature regulating and stirring device : en
  • US1934504A - Mechanism for automatically adjusting the operation of pressure regulators : en
  • GB401017A - Improvements in electro-magnetically-operated electric switches : en
  • GB401034A - Improvements in lighting appliances : en
  • GB400992A - Improvements in or relating to horse shoes : en
  • DE587897C - Electrical measuring device with several pointers and associated scales, which are separated from one another by slots for the pointer ends and provided with a common number : de en
  • DE588021C - Device for manufacturing electrical coils from flat bars bent on edge : de en
  • US1933684A - Automatic oiling system : en
  • FR754568A - Improvements to molding products : en fr
  • FR754450A - Brake improvements, particularly hydraulic brakes : en fr
  • GR4390B - EMERIA ECONIA AND WHEELS. : el en
  • US1933633A - Reflector : en
  • DE587746C - Cigar cutter : de en
  • DE588049C - Steam power plant with exhaust steam compression : de en
  • FI15559A - Förfaringssätt för spjälkning av högpolymera kolhydrater : en fi
  • FR754374A - Method and apparatus for gas distribution : en fr
  • GB401062A - High speed crank or eccentric press with dividing mechanism : en
  • GB401227A - A process of enriching peat with humines : en
  • GB401260A - Improvements in or relating to diesel locomotives having pneumatic transmission systems : en
  • DE587753C - Boring bar : de en
  • DE587601C - Manufacture of lead bearing shells with welded lead bronze lining : de en
  • CA336950A - Brush : en fr
  • AT135202B - Envelope. : de en
  • AT135297B - Junction box for electrical lines. : de en
  • US1934075A - Process for the treatment of gases : en
  • AT135225B - Method of pulverizing. : de en
  • US1934282A - Garment material and pattern : en
  • CA336878A - Carpet suction sweeper : en fr
  • US1934027A - Means for stretching articles : en
  • US1934127A - Heat deflector : en
  • US1933930A - Disk brake : en
  • US1934096A - Combined leveling and framing tool and protractor : en
  • US1933608A - Combination fuse for projectiles : en
  • US1933929A - Draft and damper control : en
  • DE587684C - Device for sharpening knife blades between intersecting grinding bodies : de en
  • GB401168A - Improvements in or relating to control systems for electrically driven vehicles : en
  • US1934022A - Pipe-fitting : en
  • US1933962A - Preserving of rubber : en
  • US1934017A - Basic bismuth salts of organic arsonic acids : en
  • US1934577A - Flux box gate : en
  • AT135230B - Device for selective shutdown of power supplies. : de en
  • US1933803A - Hygrometer : en
  • US1934455A - Shoe fastener : en
  • AT135280B - Process for converting direct current into alternating current or from alternating current into other, preferably lower, frequency by means of controlled discharge paths. : de en
  • AT135337B - Process for solubilizing vegetable tanning residues. : de en
  • US1933904A - Garage door operating mechanism : en
  • GB401008A - Improvements in or relating to the refining of copper : en
  • FR754605A - Turbine-operated locomotive : en fr
  • GB401049A - Improvements in the covers of electric tumbler switches : en
  • US1934408A - Means for electric welding : en
  • DE587622C - Tear-off pack for photographic materials in roll form or for plate, sheet film or paper packs : de en
  • DE587933C - Device for changing the pitch of propeller blades : de en
  • GB401277A - Improvements in or relating to alternating current electrical instruments : en
  • US1934511A - Buckle : en
  • US1934214A - Insulated flash light : en
  • GB401171A - Improvements in liquid fuel injection pumps for compression ignition internal combustion engines : en
  • GB401369A - Improvements in or relating to pit props : en
  • DE586570C - Artillery slide rule : de en
  • US1934608A - Refrigerator control : en
  • US1934390A - Frequency changer : en
  • US1934580A - Fuel injection mechanism : en
  • US1934370A - Filing drawer : en
  • DE587702C - Sewing machine for the production of hemstitching and other embroidery : de en
  • GB401087A - Improvements in or relating to floor tiles, wall and ceiling facings and the like : en
  • DE587635C - Scraper for disc or grooved gratings : de en
  • DE587739C - Process for the production of stamping dies for records : de en
  • DE587921C - Radial bearings with tiltable bearing blocks : de en
  • US1934562A - Coal cutting machine : en
  • US1933829A - Preparation of cellulose acylnitrate : en
  • US1934067A - Method for pyrolytic conversion of petroleum oils : en
  • FI15545A - Mutterbricka : en fi
  • GB401191A - Improvements in and relating to apparatus for hair waving and curling : en
  • GB401274A - Improvements in, and relating to, hand saws : en
  • CA337010A - Mineral acid purification : en fr
  • US1933613A - Internal combustion engine : en
  • US1933877A - Control device : en
  • US1934337A - Ventilator : en
  • US1934432A - Brake : en
  • US1934514A - Optical film-copying machine : en
  • US1933641A - Method of and apparatus for proportioning gaseous fluids : en
  • US1934632A - Control system for prime mover generator plants : en
  • USD90987S - Design for a shoe heel : en
  • CA336912A - Safety ash tray : en fr
  • US1934251A - Resilient filter : en
  • US1934586A - Material for parts subjected to friction : en
  • GB400973A - Improvements in electric signalling, supervising and recording systems : en
  • DE587932C - Fillings for fire extinguishers : de en
  • DE588010C - Hydraulic press for pressing out plastic masses : de en
  • FR754428A - Improved machine for the manufacture of blanks or parts of boxes or other packaging : en fr
  • FR754460A - Method and device for the superposition of control currents of frequency foreign to the network, in strong current networks : en fr
  • FR754510A - Metal sugar box for rations for use in cafes, restaurants or others : en fr
  • GB401076A - Improvements in inner-soles or socks for footwear : en
  • FR754552A - Improvement in tool holders : en fr
  • FR754654A - Gradual closing fountain : en fr
  • US1933984A - Vertically and laterally shiftable window : en
  • US1934315A - Air blown asphalt product : en
  • FR754604A - Improvements to starter mechanisms : en fr
  • AT135346B - Method and device for the production of acetylene gas. : de en
  • FR754565A - Improvements to cylinders for rolling bowls, tennis courts, lawns, roads and similar surfaces : en fr
  • US1934644A - Filing cabinet : en
  • DE587874C - Pneumatic dryer : de en
  • DE587985C - Oscillating device : de en
  • US1934527A - Shaft support : en
  • AT135232B - Mercury vapor rectifier with grids arranged in the anode protection tubes and by the anodes. : de en
  • AT135321B - Process for the production of cast iron objects, in particular valve tappets. : de en
  • FR754540A - Mobile pumping installation provided with means for lowering the pump into the element to be pumped, and raising it : en fr
  • US1934087A - Lumber straightening device : en
  • US1934654A - Spinning and twister frame : en
  • CA336891A - Knife grinder : en fr
  • AT135421B - Piece of paving or the like for paving roads etc. : de en
  • AT135427B - Stocking, sock or the like with reinforced parts. : de en
  • CA337005A - Sound carrying current transmitting system : en fr
  • US1934574A - Means for converting the frequency of electric oscillations : en
  • AT135258B - Rotary piston machine. : de en
  • USD90967S - Design for a candlestick base ob : en
  • US1933809A - Pressure lubricating apparatus : en
  • US1933945A - Production of urethane substances : en
  • US1933895A - Camera : en
  • US1934662A - High-speed impedance-responsive relay : en
  • FR754606A - Construction : en fr
  • GB401081A - Rotary internal combustion engine : en
  • DE587780C - Feed device for conveyor wagons : de en
  • CA336865A - Filament manufacture : en fr
  • DE587934C - Rim sprung against the hub by leaf springs : de en
  • US1933627A - Modulation circuit arrangement : en
  • US1934115A - Tobacco pipe case : en
  • US1933618A - Internal combustion engine : en
  • AT135301B - Process and device for the production of even ingots, which cool down in accordance with the casting process, as individual blocks or in the form of continuous strands. : de en
  • US1934665A - Timing relay element : en
  • US1934238A - Method of operating internal combustion engines : en
  • US1934599A - Microscope objective : en
  • US1934333A - Pumping assembly : en
  • US1933789A - Photographic developer for use at high temperatures : en
  • US1933601A - Piezo electric crystal holder : en
  • US1933709A - Venetian blind channel guide fixture : en
  • US1934124A - Recording sphygmomanometer : en
  • DE587639C - Device for rolling grooves into sheet metal : de en
  • AT135299B - Cable termination. : de en
  • CA336933A - Wire cutting mechanism : en fr
  • US1933764A - Grinding mill : en
  • US1933796A - Blending wood pitch with fatty acid pitch : en
  • US1934162A - Method of forming veils : en
  • US1934398A - Manufacturing of yarn : en
  • USD91003S - Design fob an advertising display : en
  • DE587790C - Arrangement for damping the mechanical vibrations of overhead lines : de en
  • AT135408B - Arrangement for controlling the grid potential of grid tubes which are in a discharge circuit at points of high potential to earth, in particular in devices for X-ray generation. : de en
  • CA336995A - Planographic printing process : en fr
  • AT135441B - Tool drive for deep hammer drilling rigs. : de en
  • DE587717C - Arrangement for controlling relays through brightness differences : de en
  • CA336883A - Wire binding and tying machine : en fr
  • US1933678A - Packing box with circulating cooling water : en
  • CA336919A - Can closing and sealing method : en fr
  • CA336959A - Packing box : en fr
  • DE587572C - Circuit arrangement for coin collection points in telephone systems with dialer operation : de en
  • GB401130A - Improvements in rotary engines : en
  • GB401340A - Process for producing colour pictures from silver pictures : en
  • AT135449B - Arrangement for the medical utilization of currents of high-frequency vibrations, in particular such short wavelengths. : de en
  • US1934548A - Pressure responsive device : en
  • US1934561A - Lens system : en
  • AT135288B - Device for marking the position of a threaded nut for making electrical connections. : de en
  • DE587990C - Measuring tool consisting of a semicircular plate and two arms which can be rotated with respect to this plate : de en
  • US1934399A - Method of and apparatus for cooling internal combustion engines : en
  • US1934459A - High vacuum fuse : en
  • FR754640A - Armchair convertible into bed : en fr
  • US1933762A - Paper fastener : en
  • US1934485A - Treatment of formamide : en
  • CA336893A - Pump or syringe apparatus : en fr
  • US1934479A - Apparatus for treating metals : en
  • US1934582A - Projection apparatus : en
  • US1933787A - Method and apparatus for making color motion pictures : en
  • US1934030A - Draft rigging : en
  • US1934300A - Box for electrical wiring systems : en
  • DE587618C - Process for the production of pressed lead coats with a pressed core made of harder metal : de en
  • DE587681C - Tensioning device for bonnet locks with a tension lever : de en
  • GR4391B - MAGNETIC MOTOR. : el en
  • FR754617A - Simplified horn device operating by vacuum : en fr
  • US1933587A - Production of artificial filaments or threads : en
  • US1933761A - Heating system for liquid circulating cooling systems : en
  • US1934040A - Loose leaf binder : en
  • US1934092A - Shoe heel : en
  • FR754587A - Device for digging stitch holes for row plantings : en fr
  • FR754538A - Dredge for oyster farming : en fr
  • US1933969A - Closure for cylinders : en
  • US1934309A - Cyclic acetals and process of : en
  • US1934376A - Hydromechanical transmission device : en
  • US1934373A - Electric driving device for sewing machines : en
  • US1934437A - Photoelectric tube : en
  • CA336961A - Liquid dispenser : en fr
  • US1933891A - Direction indicator : en
  • AT135438B - Vibrating centrifugal shape. : de en
  • AT135353B - Process for nodulating or granulating raw materials for cement production. : de en
  • US1933938A - Apparatus for welding : en
  • US1934179A - Child's garment : en
  • CA336948A - Electrical resistance device : en fr
  • FR754504A - Hats enhancements : en fr
  • FR754616A - Hydraulic command transmitter : en fr
  • AU1216233A - Improved means for distributing the fuel onto the grate surface ofa mechanical stoker : en
  • DE587625C - Tobacco cutting device : de en
  • US1933672A - Pattern reproducing machine : en
  • US1934609A - Refrigerator control : en
  • AU991832A - Improvements in and relating to brassieres : en
  • US1933766A - Turnplate for cane sugar mills : en
  • US1934137A - Hood catch : en
  • US1934468A - Retaining member for use with pneumatic valve stems : en
  • AT135291B - Method and device for the production of multiple cores. : de en
  • AT135253B - Method and device for the production of longitudinally creped paper. : de en
  • CA337035A - Textile material : en fr
  • AT135203B - Two-stroke internal combustion engine. : de en
  • AT135442B - Photographic recording camera with a viewfinder chamber arranged above the recording chamber. : de en
  • US1933816A - Cushion : en
  • US1934406A - Separating apparatus and method : en
  • AT135274B - Switch for interrupting alternating currents. : de en
  • GB401133A - Improvements in and relating to machines for applying coatings to articles such as cream or the like to biscuits, cakes or the like : en
  • US1933859A - Electric current rectifier control : en
  • US1934117A - Invalid handling appliance for bathtubs : en
  • US1933557A - Edible preparing machine : en
  • US1934056A - Art of and apparatus for converting hydrocarbons : en
  • US1933670A - Oil burner foot : en
  • US1934218A - Novelty display cover and container : en
  • FR754386A - Method and apparatus for pressure forming such as stamping : en fr
  • US1934014A - Soldering kit receptacle : en
  • US1934674A - Distillation and the like : en
  • US1934626A - Making polysulphides : en
  • US1933577A - Apparatus for making wrought iron : en
  • US1933714A - Multiplying machine and cycle controller therefor : en
  • US1933936A - Welding apparatus : en
  • US1933849A - Electric current rectifying system : en
  • US1934048A - Electrically lighted vacuum cleaner : en
  • US1933549A - Projection machine : en
  • US1933566A - Box-wrapping apparatus : en
  • US1933981A - Garment support : en
  • US1934308A - Insulator support : en
  • US1934431A - Machine for treating seams : en
  • US1934039A - Differential drive mechanism : en
  • US1933711A - Branch-fitting for water-tubes and the like : en
  • US1934362A - Display box : en
  • US1934371A - Mechanically refrigerated water cooler : en
  • USD90979S - Design for a vase : en
  • DE588020C - Oxidized aluminum tape for insulating electrical conductors, especially for the excitation windings of turbo generators : de en
  • FR754677A - Thermal overload circuit breaker : en fr
  • GB401015A - Improvements in the construction of pit-tub bodies and the like : en
  • US1933574A - Treating hydrocarbon oil : en
  • US1934344A - Lubricator : en
  • US1934458A - High vacuum fuse : en
  • AU1042332A - A machine for grinding and concentration of minerals : en
  • US1933958A - Artificial skull : en
  • USD90981S - Design for a cake box : en
  • CA336964A - Oil burner : en fr
  • US1934522A - Burial vault : en
  • DE587786C - Road planer : de en
  • DE587801C - Articulated boiler with lower burnout : de en
  • AT135211B - Device for dressing and roughening grinding stones, grinding rollers and the like. like : de en
  • US1934329A - Deep boring apparatus : en
  • DE546936C - Laundry stock : de en
  • US1934543A - Press for paper machines including screen faced roll : en
  • US1934594A - Container opener : en
  • US1934400A - Frequency control system : en
  • AT135308B - Wire mesh insert with wooden frame. : de en
  • AU817432A - Improvements in beaters for culinary andother purposes : en
  • US1933539A - Tractor : en
  • US1934625A - Basket : en
  • US1933551A - Bottle capping attachment : en
  • US1933845A - Conversion of hydrocarbon gases : en
  • US1934587A - Gasoline nozzle : en
  • AT135406B - Flushing device for combustion residues from combustion systems. : de en
  • GB401294A - Improvements in or relating to the manufacture of boxes from cardboard or like material : en
  • US1934422A - Razor : en
  • DE587859C - Connection for crankshafts : de en
  • DE588006C - Safety razor : de en
  • US1934647A - Extruding machine for plastic material : en
  • US1933835A - Plotting instrument : en
  • FR754635A - Photographic film enhancements : en fr
  • FR754437A - Lighter : en fr
  • FR754517A - Liquid dispenser : en fr
  • FR754589A - Hygienic distributor rotating silo for handling household waste or other materials : en fr
  • DE587979C - Antenna for submersibles in underwater use : de en
  • FR754656A - Coffin : en fr
  • US1933546A - Flaw detector carriage guard : en
  • US1933555A - Device for joining insulating wire terminals of electrical conductors : en
  • US1934382A - Parachute and parachute launching means : en
  • DE587764C - Automatic ring disc : de en
  • DE587818C - Process for the production of oxygen-containing organic compounds by catalytic reduction of carbon monoxide with hydrogen at elevated temperature and under high pressure : de en
  • US1934556A - Squeegee : en
  • FR754482A - Card ejector device for tabulating machines : en fr
  • DE587690C - Device for the production of anhydrous and iron-free slag sand or foam : de en
  • DE587788C - Circuit arrangement for telephone systems : de en
  • US1934628A - Liquid seal for rotary apparatus : en
  • DE587858C - Wet explosion turbine : de en
  • US1934351A - Apparatus for making shoes : en
  • US1933830A - Process for bleaching molasses by means of electrolytic treatment : en
  • US1933773A - Rectifier system : en
  • US1933851A - Electric furnace : en
  • US1933950A - Method of shellfish culture : en
  • US1934319A - Emergency key holder : en
  • US1933874A - Drive gearing for shovel cranes : en
  • US1934252A - Bit rotating device for reciprocating tools : en
  • DE587552C - Perforating and punching device : de en
  • DE588059C - Electromagnetically operated point setting device : de en
  • DE587745C - Feeding device to sorting devices working with collecting belts : de en
  • AT135222B - Playback device for picture sound films or pure sound films. : de en
  • AT135320B - Copper-tin-zinc alloys for bearings and other machine parts subject to friction. : de en
  • US1933624A - Apparatus for cleaning conduits and stringing cables therethrough : en
  • US1934394A - Tightening means for connecting members of high pressure lubricating devices : en
  • CA336890A - Rock drill bit : en fr
  • US1933957A - Spring leaf arching machine : en
  • US1934360A - Traveling bag : en
  • US1934530A - Machine tool : en
  • AU1494433A - An improved flushing valve casing : en
  • AT135396B - Device for regulating the temperature and humidity of room air. : de en
  • AT135440B - Presser foot for sewing machines. : de en
  • CA336921A - Piston pin bearing hone : en fr
  • US1934384A - Telephone system : en
  • AU1093633A - Improvements in current collecting devices for electric railways : en
  • US1934062A - Process for producing low boiling hydrocarbons from higher boiling hydrocarbons through the action of hydrogen at elevated temperatures : en
  • US1933707A - High frequency amplifier system : en
  • US1933765A - Toilet article : en
  • US1934160A - Combine : en
  • US1934275A - Uncurler guide for sewing machines : en
  • US1934658A - Carbocyanine dyes and method of preparing them : en
  • US1934498A - Adapter unit : en
  • US1933638A - Method of manufacturing closed link brake hangers : en
  • US1934483A - Fuse support : en
  • US1933726A - Combination hot water boiler and heater : en
  • US1934045A - Self-opening and closing mouthpiece for collapsible tubes : en
  • USPP79P - Rose : en
  • CA336884A - Metal working method : en fr
  • AT135364B - Liquid syringes, in particular for plant protection. : de en
  • US1933802A - Wet mop : en
  • US1934217A - Electric locomotive : en
  • US1933841A - Cam brake for punch presses : en
  • US1933952A - Folding mechanism : en
  • US1934529A - Stability control : en
  • US1934074A - Hanging of doors : en
  • US1933724A - Cowl pin and attaching means : en
  • US1934231A - Rectifier control system : en
  • US1934226A - Method of removing dust while machining cylinders : en
  • AU993732A - Improvements in and relating togas producers : en
  • GB401045A - Improvements relating to engine driven air compressor units : en
  • US1933594A - Fastening supplying mechanism : en
  • US1934566A - Packing device : en
  • AT135298B - Electric machine with cooling elements arranged on the housing surface. : de en
  • US1934397A - Latching mechanism : en
  • US1933667A - Tandem axle drive : en
  • US1933932A - Student desk : en
  • US1934032A - Resin from phenols and aroylbenzoic acids : en
  • US1934645A - Land marker : en
  • AT135249B - Building. : de en
  • AU926232A - The production of moulded articles : en
  • CA336922A - Steam reheater : en fr
  • AT135234B - Power transmissions for automobiles. : de en
  • US1934307A - Seat : en
  • US1933844A - Buoyant decoy : en
  • DE587593C - Compressed air drive for electrical switches with main air supply and portable auxiliary air container : de en
  • DE587770C - Circuit arrangement for telephone systems for two-wire connecting lines : de en
  • AT135315B - Compensation device for sliding windows or the like. : de en
  • AT135400B - Regulating socket for electric lamps. : de en
  • AT135367B - Self-igniting cigarette or cigar. : de en
  • AT135369B - Shell-like packaging casing, in particular for sweets. : de en
  • CA336905A - Liquid flow regulator : en fr
  • DE587886C - Process for the production of multi-layer textile fabrics from vegetable fibers : de en
  • FR754459A - Improvements to thermionic discharge lighting devices : en fr
  • DE587689C - Method and device for the production of hollow bodies from fibrous mortar : de en
  • DE587731C - Device for holding conveyor wagons on conveyor trays : de en
  • DE587750C - Display device for radiator : de en
  • DE587986C - Storage and removal housings, especially for dental tools : de en
  • AT135398B - Device for regulating the temperature and humidity of room air. : de en
  • CA336873A - Disc ribbed pipe manufacture apparatus : en fr
  • DE588011C - Ring roller press for briquetting of cohesive material, especially dry lignite : de en
  • FR754564A - Hose clamp : en fr
  • US1933805A - Garment stay : en
  • GB401318A - Improvements in or relating to connections for completing tubular passages : en
  • US1933995A - Magnetic separator : en
  • DE587832C - Process for the production of corrugated thin-walled metal pipes : de en
  • AT135338B - Device for evaporation of solutions, in particular for the extraction of salt. : de en
  • DE587864C - Roller straightener : de en
  • AT135368B - Ski anti-skid device. : de en
  • CA336889A - Syphonic circulating apparatus : en fr
  • DE587692C - Backrest arrangement for the leno chain threads of multiple leno devices : de en
  • DE587956C - Indirect control for electric vehicles with the help of an automatically controlled shift drum : de en
  • GB400999A - Improvements in and relating to electron discharge tubes : en
  • GB401275A - Improvements in and relating to supports or holders for sunshades or the like, more especially for use in connection with perambulators : en
  • US1933933A - Disappearing typewriter carrier : en
  • US1933999A - Manufacture of artificial products of viscose : en
  • AT135366B - Method and device for the production of hollow cylinders with inner and outer flanges as well as bearings and bodies of any shape by centrifugal casting. : de en
  • AT135331B - Switching device for automatic opening and closing of the furnace current when tilting electric furnaces. : de en
  • AT135275B - Electro-dynamic funnel loudspeaker. : de en
  • AT135316B - Device for connecting milk bottles. : de en
  • US1933698A - Sprocket : en
  • US1934059A - Transfer mechanism for belt conveyers : en
  • US1934245A - Holder for moving picture films : en
  • US1934363A - Winding machine : en
  • AT135329B - Process for the production of vat dyes. : de en
  • AT135242B - Bobbins for braiding and lace machines. : de en
  • US1933695A - Horizontal combination boiler : en
  • DE587850C - Method and device for illuminating polarization instruments with monochromators : de en
  • US1934178A - Camera : en
  • DE538608C - Method for packaging sliced meat and sausage products : de en
  • GB401317A - Improvements in or relating to circular knitting machines : en
  • FR754546A - Cylinder for hydraulic transmission devices : en fr
  • FR754657A - Apparatus for recording and reproducing sound : en fr
  • GB401059A - Improvements in or relating to cells showing the kerr effect : en
  • AT135412B - Device for issuing coins. : de en
  • FR754683A - Process of saponification of organic esters of cellulose : en fr
  • DE587627C - To both sides backing track and rail head elastic roller head for track turning machines : de en
  • DE587691C - The use of paper mats, known per se, filled with chips and air and watertight on both sides, as elastic and watertight basket insert for packing fresh fish : de en
  • US1933599A - Picker system and process : en
  • US1934546A - Window having frames and metal sashes : en
  • USD90983S - Design fob a windshield wiper motok : en
  • FR754574A - Dynamo ball bearing improvements for cycle lighting : en fr
  • GB401115A - Improvements in pulverizing mills : en
  • CA336970A - Knitting method and apparatus : en fr
  • US1933602A - Companion stool : en
  • AT135354B - Process for sensitizing photosensitive halogen silver emulsions for green to red. : de en
  • FR754426A - Process for the absorption and recovery, by means of sulfuric acid, of nitrogen oxides obtained by combustion of ammonia or from other sources : en fr
  • GB401259A - Sound record receptacle : en
  • GB401184A - Improvements in the operating mechanism for motor vehicles and the like : en
  • GB401234A - Automatic device for continuous sounding at sea by echoes of hammer blows : en
  • DE587842C - Device for the automatic disconnection of a diseased phase conductor and for the automatic connection of a replacement conductor : de en
  • DK47996C - Device for electric bicycle lights. : da en
  • FI15529A - Work blouse with breast, shoulder and elbow reinforcement : en fi
  • US1934099A - Electromagnetic sound reproducer : en
  • US1933996A - Attachment for meters : en
  • FI15556A - Ended skivhjul, stem skivformiga del är utbildad vågformig i axial riktning, jämte sänke för dess framställning : en fi
  • FI15555A - Equipment with gas masks and tools : en fi
  • FR754430A - Device for remote control of electric light signaling panels : en fr
  • AT135392B - Suspension spring arrangement for vehicles, in particular railroad cars. : de en
  • FR754491A - Improvements with balls of rubber or the like : en fr
  • FR754542A - Process for the production of clichés for flat printing, particularly for offset printing : en fr
  • US1933834A - Machine for making rings : en
  • US1934573A - Process for the preparation of ammonium sulphate : en
  • FI15558A - Förfaringssätt och anordning för fuktning av hygroskopiska kroppar, särskilt tobak : en fi
  • FR754612A - Flap enhancements for adjusting air flow or other fluids : en fr
  • FR754694A - Removable heel fixed by pressure : en fr
  • FR754566A - screen for defense against secondary rays in radiographic shots : en fr
  • FR754420A - : fr
  • GB401043A - Improvements in or relating to automatic weighing and/or grading machines : en
  • GB401205A - Process for the manufacture of crystallised esters of the female sexual hormones : en
  • US1934126A - Connecter : en
  • US1934450A - Process for the manufacture of cellulose acetate and product thereof : en
  • FR754407A - Horizontal root cutter : en fr
  • FR754441A - Process for obtaining sculptures from photographs and apparatus for its realization : en fr
  • FR754362A - Hydraulic transmission device, in particular for controlling the brakes of a motor vehicle : en fr
  • GB401037A - Improvements in or relating to string and like holders : en
  • AT135443B - Calculating or accounting machine with several calculating or (and) adding units. : de en
  • US1934181A - Tire grooving tool : en
  • US1934461A - Barrel for burnishing or the like : en
  • GB401280A - Improvements in or relating to the automatic control of fuel admission in internal combustion engines : en
  • FR754682A - Improvements to pastry machines : en fr
  • US1933852A - Fluid flow control device : en
  • US1934368A - Electric switch : en
  • DE587727C - Mouth opener : de en
  • DE588030C - Method for painting steel strip strips, in particular corset rods : de en
  • US1933548A - Alarm device : en
  • US1934490A - Combination seed scattering and shovel back device : en
  • DE587408C - Light setting process : de en
  • FR754439A - Blast furnace slag improvement process : en fr
  • GB401261A - New depilatory substance : en
  • DE587755C - Process for mixing additives with a powdery or granular mass continuously supplied in a constant amount : de en
  • DE587797C - Process for the desulphurization of gases : de en
  • GB401126A - Improvements in apparatus for adding oil to liquid or gaseous fuel : en
  • US1934257A - Safety razor : en
  • US1934650A - Manufacture of rim sections : en
  • GB401006A - Improvements in and connected with doctors of paper machines : en
  • FR754472A - Circular knife : en fr
  • GB401208A - Improvements in and relating to electric welding machines : en
  • US1934034A - Wrinkle finish varnish : en
  • FR754442A - Device for setting a film reproducing apparatus to a determined length of film to be fed by the apparatus : en fr
  • FR754652A - Rear loading hygienic household waste bin : en fr
  • GB401048A - Improvements in or relating to bicycle frames : en
  • FR754667A - Bottle washing machine : en fr
  • DK47994C - Method for Manufacturing Cement, Cement Mortar and Concrete. : da en
  • US1933721A - Mouth harp : en
  • US1934552A - Surface coating apparatus : en
  • DE587935C - Pedal crank bearings for bicycles with two roller bearings one above the other : de en
  • GB401134A - Improvements in internal combustion engines : en
  • GB401176A - Improvements in or relating to screening apparatus : en
  • USD91004S - Design for a set of playing cards : en
  • FR754619A - Agglomerates of wood powders : en fr
  • GB401242A - Improved lead seal for securing packages and the like : en
  • CA336958A - Train pipe coupling : en fr
  • DE587726C - Device for removing the fiber cover from coconuts : de en
  • GB401246A - Improvements in or relating to the production of articles exposed to frictional stressing, especially at elevated temperature : en
  • US1933737A - Method of making screws and bolts : en
  • US1934312A - Display box : en
  • US1934208A - Liquid treatment of textile materials and the like : en
  • US1934367A - Color process : en
  • US1934407A - Flange wheel lubricator : en
  • DE587600C - Process for regenerating active coal : de en
  • FR754579A - Electric discharge tube : en fr
  • AT135348B - Process for the production of oil-proof electrical insulation material. : de en
  • AT135387B - Single lever control for motor vehicle drives. : de en
  • FR754567A - Improvements to pressurized fluid brake devices : en fr
  • DE587713C - Alternator for bicycles or the like. : de en
  • DE587630C - Electrical switching device for remote control of movements : de en
  • DE588060C - Circuit arrangement in signal systems for railroad crossings or the like with a three relay set : de en
  • AT135207B - Electrolytic recorder. : de en
  • FR754628A - Clasp mount especially for ladies' bags : en fr
  • US1934297A - Compounds of polymerized vinyl esters and fatty oils : en
  • GB401186A - Welding electrode : en
  • CA336974A - Trailer reach : en fr
  • USD90977S - Design fob a clothes hanger : en
  • DE587748C - Spark plug : de en
  • US1933729A - Closure means for coking retorts : en
  • FR754486A - Improvements to toiletry kits, especially those for ladies' bags : en fr
  • US1933870A - Prime mover electric drive system : en
  • GB401039A - Improvements in or relating to gyroscopic apparatus : en
  • FR754608A - Plant fabric in sequins for the extraction and its manufacturing process : en fr
  • FR754684A - Improvements in the hydrolysis of organic esters : en fr
  • GB400984A - Improvements in or relating to a method of producing sodium aluminate solutions : en
  • CA336894A - Iodine producing process : en fr
  • US1934620A - Multiple spindle automatic lathe : en
  • AU992032A - Improvements in or relating to radio andother high frequency circuit arrangements : en
  • CA336934A - Fluid pressure brake : en fr
  • US1933582A - Lubrication : en
  • DE588000C - Sewing device for chain and single or double thread overlock stitch : de en
  • DK47995C - Method for Treating Oxygen Compounds of Metals with Chlorine and Higher Sulfur Chlorides. : da en
  • GB401147A - Improvements in and relating to the manufacture of cartridge cases and apparatus therefor : en
  • DK47997C - Air circulation device for tiled stoves and the like. : da en
  • US1933536A - Concrete insert : en
  • US1933792A - Engraving : en
  • US1934163A - Front wheel drive mechanism : en
  • US1934641A - Satin white : en
  • DE587584C - Process for pickling vegetable or silk fibers with chromium : de en
  • DE587822C - Process for the production of indirectly heated cathodes : de en
  • US1934424A - Dished artillery wheel stamping : en
  • US1934657A - Carbocyanine dyes and method of preparing them : en
  • US1934206A - Fluid operative control : en
  • US1934463A - Muffler : en
  • CA337022A - Oil cracking process : en fr
  • AU991132A - Improvements in or relating tothe manufacture of articles of or containing rubber or similar material : en
  • US1933701A - Burner for pulverized fuel : en
  • US1933750A - Method of manufacturing lead sulphates containing lead oxide : en
  • US1934636A - Hydraulic turbine : en
  • FI15552A - Förfaringssätt och anordning för upptagning av uppslammade fibrer i pappersindustrin eller a. Dyl. : en fi
  • FR754666A - Waterproofing material and its manufacturing process : en fr
  • GB401028A - Improvements in gear cutters : en
  • FR754534A - Foot control device : en fr
  • DE587599C - Air gas generator : de en
  • DE587645C - Process for the preparation of thymol (3-oxy-1-methyl-4-isopropylbenzene) : de en
  • DE587973C - Rough bodies for roughening textiles : de en
  • GB401333A - Method of making chocolate syrup : en
  • GB401170A - Improvements in whipping tops : en
  • CA336853A - Vehicle lifting and rotating apparatus : en fr
  • CA336864A - Diesel engine injection valve : en fr
  • FR754443A - Apparatus for making a mixture of cement and water : en fr
  • FR754399A - Multi-piece cover for hydraulic turbines with conical steering devices : en fr
  • FR754383A - Improvements to illuminated police numbers for automobiles : en fr
  • FR754416A - Apparatus for producing pulsating alternating or direct currents and passing them through living organisms : en fr
  • DE586862C - Locomotive with two diesel engine generator sets : de en
  • FR754409A - Oscillating seat for theater or other armchair : en fr
  • GB401247A - Improvements in or relating to statement forms, letter sheets and the like : en
  • DK47977C - Openable Screw Club. : da en
  • GB401110A - Improvements in or relating to woven fabrics : en
  • GB401138A - Process for producing and accelerating the alcoholic fermentation of distillery musts : en
  • GB401200A - Manufacture of artificial masses : en
  • FR754385A - Orthopedic article such as a sleeve, bra or the like : en fr
  • GB401309A - New coating compositions : en
  • DE587804C - Tillage equipment : de en
  • US1934084A - Separable fastener : en
  • US1933988A - Lens : en
  • FR754560A - Gas burner : en fr
  • DE587679C - Motor truck or trailer with a platform arranged above the chassis : de en
  • DE588065C - Multipole pressure gas switch : de en
  • FR754397A - Muffle, with autoclave closure, more particularly usable in dental prosthesis : en fr
  • DK47969C - Machine for Topping and Picking up Beets and the like. : da en
  • US1934537A - Method of making tension wheels : en
  • GB401101A - Improvements in machines for making fabric tubes : en
  • DE587654C - Truss : de en
  • GB401324A - Improvements in and relating to carburettors of internal combustion engines : en
  • DE587667C - Support arm for sound boxes, especially for electric pickups : de en
  • GB401223A - Improvements relating to road-gritting machines : en
  • US1934284A - Internal combustion engine : en
  • US1933579A - Preparation of charcoal from coal : en
  • CA336906A - Log barker : en fr
  • DE587983C - Process and device for the decomposition of hydrocarbon oils under pressure : de en
  • CA336881A - Solid fuel burner apparatus : en fr
  • US1933955A - Brake mechanism for velocipedes : en
  • US1934094A - Apparatus for the control of highway crossing signals : en
  • US1934182A - Antenna : en
  • FR754364A - Process for obtaining 6-bromo (chloro) -2, 4 dinitraniline : en fr
  • GB401119A - Improvements in and relating to rail vehicles, and, more particularly, to passenger carriages : en
  • US1934613A - Production of acrylic esters from beta-chloropropionic esters : en
  • DE587769C - Radially loaded turbine : de en
  • US1934310A - Visibility meter and method of measuring visibility : en
  • US1933968A - Vacuum tube transmitter system : en
  • FR754497A - Device for conveying flexible wires, for example filaments of incandescent lamps or electric discharge tubes, to a workstation : en fr
  • GB401215A - Carton or package for fine granular materials : en
  • DE587743C - Device for measuring and registering the relationship between two pressures : de en
  • FR754563A - Conveyor device for printed matter from a printing machine : en fr
  • GB401013A - Improvements in or relating to electric switches and circuitbreakers : en
  • FR754645A - Distributor for rotary compressed air motors : en fr
  • FR754655A - Transformer allowing the use of indirect electricity lighting, keeping the chandeliers and wall lamps the old appearance : en fr
  • DE587898C - Low-inductance electrical capacitor, in particular a wound capacitor, with several individual capacitors arranged next to one another and connected in parallel : de en
  • FR754548A - Line composing and casting machine with multi-function control lever : en fr
  • GB401183A - Improvement relating to submarines : en
  • US1933863A - Shock absorber : en
  • US1934423A - System for communicating with moving vehicles : en
  • FR754425A - Flame retardant and water repellent coating for electrical wires and cables : en fr
  • FR754627A - Process for purifying light metals or their alloys in the molten state, and device for carrying out this process : en fr
  • GB401159A - Improvements in or relating to apparatus for lifting loads : en
  • US1934118A - Cap wrench : en
  • US1934298A - Seeding machine : en
  • GB401301A - Improvements in and relating to the process of separating materials of different magnetic permeability, and to the apparatus therefor : en
  • DE587798C - Process for the production of a glass object coated on the outside with a metal layer : de en
  • FR754479A - Steam locomotive with high-speed piston engines, especially for very high powers : en fr
  • FR754618A - Improvement in carding : en fr
  • GB401000A - Improvements in or relating to darning and like needles : en
  • AT135407B - Collar. : de en
  • US1933662A - Wheeled scraper : en
  • US1933838A - Container : en
  • US1934510A - Current-collecting device : en
  • USD90982S - Design for a spoon ob other article : en
  • AT135325B - Process for the production of metallic materials for apparatus, in particular those made of iron or steel, which have high resistance to the damaging effects of hydrogen or hydrogen-containing gases at elevated temperature and pressure. : de en
  • CA336947A - Electrical resistance device : en fr
  • US1934183A - Safety feeding device for wringers : en
  • US1934180A - Blower mill : en
  • AT135241B - Connection device for electric irons. : de en
  • CA337037A - Card and envelope tray : en fr
  • US1933790A - Gas burner : en
  • US1933979A - Oscillator circuit : en
  • US1934263A - Refractory : en
  • US1933716A - Manufacture of synthetic resins from unsaturated hydrocarbons : en
  • AT135209B - Mobile children's play chair. : de en
  • CA336994A - Filter : en fr
  • AT135446B - Glass feet for electron tubes and the like Like. And method for its production. : de en
  • US1934166A - Refrigeration : en
  • US1934292A - Process and machine for threading the necks of tubes : en
  • US1934557A - Insulator device : en
  • AT135413B - Method and device for automatically dividing the connecting material, such as. B. tape, gauze, threads or the like. On the back of continuously stapled books, brochures or the like. In book stitching machines. : de en
  • US1934052A - Spectacles : en
  • US1934279A - Fusible link : en
  • US1933563A - X-ray tube holder : en
  • DE588012C - Device for the production of tube-like glued paper and cloth tape and for the simultaneous use of needles on the cloth side : de en
  • DE587730C - Device for the automatic cleaning of the knife of bread slicers : de en
  • GB401188A - An improved method of and means for generating under pressure combustion products mixed with steam : en
  • US1933615A - Ice cube tray for refrigerators : en
  • USD90973S - Design for an aerial eliminator : en
  • US1933915A - Joint : en
  • US1933934A - Board making machine : en
  • DE587883C - Method of photographic sound recording on a two-pack : de en
  • US1934267A - High gelatinating colloidal compound : en
  • US1933647A - Announcing device : en
  • US1934291A - Meter testing device : en
  • US1934669A - Lubricating pump : en
  • DE587929C - Facility for milk treatment : de en
  • DE588015C - Pipe boom for suction air conveyor systems, which can be pivoted in both vertical and horizontal directions with a fixed mast : de en
  • DE587640C - Tin can sealing machine : de en
  • DE587736C - Process for the extraction of zinc oxide : de en
  • CA336918A - Tool for applying seal caps : en fr
  • AT135318B - Process for the production of artificial threads or other products. : de en
  • CA337011A - Ammonium sulphate manufacture : en fr
  • DE587615C - Fluid filters, especially for lubricating oils and fuels : de en
  • DE587965C - Circuit for multiplying transformer voltages, especially for X-ray tubes : de en
  • GB401007A - Improvements in or relating to coin-controlled electrical switches for wireless receiving sets : en
  • GB401038A - Process for the production of products containing aluminium silicosulphides : en
  • GB401206A - Improvements in structural members intended particularly for the production of walls, such as partitions adapted to form compartments in boxes, on shelves or the like : en
  • CA336978A - Hair clasp : en fr
  • CA336888A - Wave motor : en fr
  • US1933752A - Coin chute for vending machines : en
  • US1933935A - Well head : en
  • US1934565A - Air temperature regulating apparatus : en
  • US1934175A - Automatic lubricator and fluid dispenser : en
  • US1933715A - Manufacture of synthetic resins : en
  • US1934008A - Fire fighting apparatus : en
  • US1934210A - Artificial leg : en
  • AT135416B - Process for the production of sound film copies of predetermined gamma value. : de en
  • AT135293B - Arc welding system. : de en
  • AU1167333A - An improved receptacle for holding and delivering cream andother like substances : en
  • CA336951A - Electrical measuring instrument : en fr
  • CA336857A - Louvre window : en fr
  • DK47965C - Apparatus for the carriage of cigar wrappers or finished cigars. : da en
  • US1933786A - Animal yoke : en
  • US1934129A - Vehicle chassis structure : en
  • US1934427A - Water cooler for refrigerators : en
  • US1933586A - Garment fastening device : en
  • FR754422A - Improvements to folding boxes : en fr
  • GB400983A - Improvements in and relating to photographic cameras : en
  • US1934276A - Ice cream freezer : en
  • US1934171A - Method of preparing zinc phthalate : en
  • AT135252B - Method and device for pre-breaking the closure part of paper vessels. : de en
  • US1933646A - Dispensing container : en
  • CA337012A - Iron-nickel-beryllium alloy processing : en fr
  • GB401035A - Improvements in and relating to ink blotters : en
  • AT135372B - Die setting and line casting machine with die rods that are freely suspended on wires in a circuit. : de en
  • CA337009A - Ammonia sulphate manufacture : en fr
  • DE587876C - Drive device on looms with a fixed shuttle box and a movable shutter track : de en
  • US1934167A - Core for textile machinery spools : en
  • CA336911A - Internal combustion engine : en fr
  • US1933931A - Paper receptacle : en
  • US1934089A - Folding door : en
  • US1934575A - Saw cylinder : en
  • DE587974C - Process for the treatment of textiles, leather and paper : de en
  • DE587814C - Electric centrifugal machine with motor cooling air flowing through between the drum and the bottom of the housing : de en
  • FR754620A - Ear shutter against noise : en fr
  • AU1027832A - Improvements in or relating to knitting machines : en
  • AT135317B - Economy bucket. : de en
  • US1934365A - Bed spring : en
  • CA336854A - Concrete stabilizing process : en fr
  • US1933694A - Electrically controlled actuating device : en
  • US1933778A - Radio receiving system : en
  • US1933890A - Enameled sheet metal cooking receptacle : en
  • US1933964A - Mirror attachment : en
  • US1934601A - Grinding machine : en
  • US1933674A - Steering mechanism for multiwheel road vehicles : en
  • US1933924A - Excavator : en
  • US1933782A - Motion picture camera : en
  • US1933991A - Electric refrigerator accessory : en
  • FR754697A - Elastic tulles : en fr
  • US1933800A - Wagon body : en
  • US1933976A - Integrating relay circuit : en
  • US1934209A - Apparatus for forming pointed corners : en
  • US1934352A - Method of making shoes : en
  • US1934486A - Boiler feed control : en
  • AT135216B - Container for dispensing long and thin items individually. : de en
  • DE587564C - Device, in particular on wrapping machines, for the intermittent pulling off and cutting off of a web made of fiber-free cellulose material : de en
  • AT135324B - Process for the production of hard metal alloys, as well as tools made from them. : de en
  • AU266444B2 - Production of filaments and fibers of poly gamma methyl glutamate : en
  • CA336997A - Cash register : en fr
  • DE587812C - Parachute toys : de en
  • DE587852C - Arrangement for determining the amount of dust in a dusty air or gas stream flowing in a pipe : de en
  • US1934539A - Dishwashing machine : en
  • DE587660C - Device for sealing the gap between the door and the floor : de en
  • US1933925A - Balancer : en
  • DE587835C - Vice of a die setting and line casting machine : de en
  • US1933888A - Mirror bracket : en
  • US1934448A - Brake : en
  • US1933645A - Suction cleaner : en
  • US1933883A - Propelling means : en
  • US1934499A - Temperature control device : en
  • US1934018A - Hanger for garments : en
  • AT135374B - Stub ejector for cigar or cigarette holders. : de en
  • AT135286B - Spreading device. : de en
  • DE587705C - Unrolling device for bundles of strong or stiff tapes : de en
  • GB401180A - Improvements in water tube boilers for steam waggons, small locomotives and the like : en
  • FR754381A - Two-stroke internal combustion engine : en fr
  • FR754457A - Welding connection for pressure-tight vessels and thick-walled pipes : en fr
  • GB401046A - An improved preparation for the treatment of foot rot in sheep : en
  • GB401151A - Improvements in illuminated signs : en
  • US1934152A - Cloth slitting machine : en
  • US1934553A - Spray head : en
  • DE587771C - High voltage insulator and process for its manufacture : de en
  • FR754570A - Straw unloading device for combine harvesters : en fr
  • CA337033A - Filament manufacture : en fr
  • US1934643A - Wire cloth and method of producing the same : en
  • US1933811A - Apparatus for guiding endless-track vehicles on railway tracks : en
  • US1933824A - Photographic paper : en
  • DE587808C - With water-cooled cavities between the roller shell and the roller core provided with a friction roller for roller mills : de en
  • FR754525A - Metal frame for molded steering wheel : en fr
  • GB400974A - Improvements in or relating to the production of cellulosic materials or cellulose : en
  • GB401031A - Improvements in or relating to the construction of totally enclosed electric motors : en
  • GB401682A - Improvements in or relating to film magazines for motion picture cameras : en
  • US1933987A - Process for making 1.6-dibromo-2-hydroxy-naphthalene-3-carboxylic acid : en
  • US1934211A - Receiving arrangement for radiosignals : en
  • US1934350A - Brush-holder assembly : en
  • US1934145A - Refrigeration apparatus : en
  • USD90975S - Design fob a lamp stand ob similar : en
  • GB401244A - Improvements in magnesium base alloys : en
  • DE587756C - Method and apparatus for the production of helically grooved endless hoses or tubes from strip-shaped paper : de en
  • GB401235A - Improvements in or relating to the production of base exchanging water softening substances : en
  • GB401245A - Improved matrix releasing device for matrix composing and line casting machines : en
  • DE587662C - Plant for the production of rubber-impregnated tape laps : de en
  • US1934389A - Skid platform : en
  • FR754680A - Manual instrument for collecting, examining and comparing materials of all kinds, in particular powdery and granular products, such as milled products, etc. : en fr
  • GB401022A - Improvements relating to the production of electrically conducting coatings : en
  • DE587634C - Process to accelerate the hardening of cement : de en
  • DE587688C - Method and device for removing dust from gravel and grit : de en
  • CA336879A - Milk preservation : en fr
  • DE588051C - Tape reel : de en
  • FR754688A - Unbreakable reinforced bar particularly intended for bottle crates : en fr
  • FR754490A - : fr
  • FI15537A - Förfaringssätt för framställning av alkalisilikathaltiga rengöringsmedel : en fi
  • FR754449A - Carburetor and gasoline theft protection device : en fr
  • DK47966C - Foldable Box. : da en
  • GB401193A - Motion picture apparatus : en
  • US1934274A - Pen point : en
  • CA336875A - Oscillator-radiator : en fr
  • CA337013A - Liquid fuel burner control device : en fr
  • US1934228A - Tap changing transformer : en
  • AT135260B - Oil cooling device on internal combustion engines. : de en
  • DK47974C - Ball Joint for Use in Gas Meter Control Mechanisms. : da en
  • GB401098A - Improvements in carpet sweepers : en
  • FR754461A - Turbine engine : en fr
  • GB400985A - Improvements in electrical measuring or relay apparatus, particularly for high potential circuits : en
  • GB401198A - Improvements in or relating to articles of footwear : en
  • US1933747A - Bookmark : en
  • US1934517A - Differential pressure protective device : en
  • USD90996S - Design fob a curtain or the like : en
  • US1933712A - Rotary stencil duplicating machine : en
  • DE581577C - Binder : de en
  • GB401203A - Improvements in and relating to cigarette cases : en
  • GB401019A - Improvements in paper containers for liquids : en
  • GB401149A - Process of producing material resembling artificial leather : en
  • US1934495A - Loom temple : en
  • US1933869A - Packing container : en
  • US1934004A - Process and apparatus for treating heavier hydrocarbons : en
  • GB401253A - An improved ointment container for medicinal purposes : en
  • US1934050A - Liquid dispensing device : en
  • US1934305A - Method for the preparation of zinc sulphate solutions : en
  • US1934646A - Cement handling apparatus : en
  • US1934051A - Lubricating system for sleeve valve engines : en
  • FI15536A - Mottagningsanordning för växelströmstelegrafering : en fi
  • FR754507A - Process for manufacturing films based on cellulose derivatives : en fr
  • GB401328A - Improvements in or relating to photographic cameras with telemeters : en
  • IE12217L - Rotary drying machines : en
  • FR754571A - Method and device for controlling technical installations : en fr
  • FR754583A - Mechanically driven air circulator incubator : en fr
  • FI15533A - Förfaringssätt och anordning för framställning av järn och stål : en fi
  • FR754693A - Liquid metering and dispensing device : en fr
  • DE587903C - Vaulted ceiling for furnaces : de en
  • US1934215A - Protective relay : en
  • US1934385A - Vehicle : en
  • US1934581A - Combination insulator and multiple connecter : en
  • US1934154A - Method of manufacturing collars : en
  • USD90976S - Design for a heel plate : en
  • FR754521A - Process for the manufacture of a cleaning product for wallpapers, murals, etc. : en fr
  • US1934346A - Splint : en
  • FR754468A - Rotating therapy bed : en fr
  • FR754452A - Steaming device suitable for inside pots and pans : en fr
  • GB402062A - An improved apparatus for recording the condition of railway permanent way : en
  • DK47968C - Technical Heat Consumption Meter for Radio Towers, Hot Water Taps and the like. : da en
  • US1933909A - Pitman : en
  • FI15540A - Anordning vid handsågblad : en fi
  • CA337034A - Pulp article making machine : en fr
  • FR754392A - Hangar for airplanes or aircraft : en fr
  • US1933942A - Weldrod holder : en
  • USD90970S - Design fob a burial vault : en
  • US1933643A - Folding container for merchandise : en
  • FR754544A - Improvements to tin cans and other hermetically sealed containers and method of closing such cans : en fr
  • DE587912C - Floor corner molding : de en
  • GB401179A - Electric battery lamp : en
  • US1934026A - Manufacture of flexible shafting : en
  • FR754487A - Process and rolling mill for rolling sheets from conical slabs : en fr
  • GB401236A - Auxiliary apparatus for the vending or dispensing of wares : en
  • GB401219A - Brake operating mechanism particularly applicable to double hand-brakes of cycles : en
  • FR754391A - Improvements to temperature control devices : en fr
  • GB401211A - Improvements in or relating to liquid pumping systems : en
  • GB401100A - Recording thermometers and the like : en
  • DE588090C - Process for scrubbing pitch from coal distillation gases : de en
  • DE587893C - Switch with arc extinguishing by flowing compressed gas : de en
  • GB401016A - Improvements in or relating to speed regulating systems : en
  • GB401071A - Method of and apparatus for pouring molten glass for feeding sheet-forming apparatus : en
  • US1933748A - Process for treating hydrocarbon oils : en
  • US1934474A - Recovery of sulphur from roaster gases : en
  • GB401216A - Improvements in melting pots for matrix composing and line casting machines : en
  • AT135405B - Method and device for placing elastic caps on bottles. : de en
  • US1934047A - Method of making decorated tubular objects : en
  • US1934471A - Apparatus for packaging articles : en
  • AT135277B - Device for the operation of electric rail vehicles equipped with direct current compound motors. : de en
  • FR754518A - Improvements to cathode ray tubes : en fr
  • FR754530A - Device for supplying current to electric resistance welders producing an in-line weld, by means of mobile rollers : en fr
  • GB401063A - Improved process for the production of mercurised printing plates : en
  • GB401207A - Process for the production of explosives : en
  • US1934434A - Bus construction : en
  • CA336877A - Reverse gear : en fr
  • US1933703A - Device for cooling condenser water : en
  • US1934457A - Cut-out : en
  • DE587592C - Electromagnetic microphone : de en
  • AT135245B - Method and device for local dyeing of yarn packages. : de en
  • AT135278B - Device for eliminating inductive interference in low-voltage cables from neighboring high-voltage lines. : de en
  • US1933801A - Thermostatic device : en
  • US1934505A - Control system for roll-table motors : en
  • CA336979A - Dispenser : en fr
  • US1933939A - Preparation of fenchone : en
  • US1934174A - Heat insulation for air spaces : en
  • CA336914A - Bathing suit : en fr
  • DE587872C - Playing figure walking upright on two legs with two walking aids lying one inside the other on each side of the body : de en
  • US1933570A - Printing instrumentalities for typewriting machines : en
  • US1933767A - Automatic circuit breaker system : en
  • US1933951A - Casing tester : en
  • US1934335A - Electrical insulating material : en
  • AT135439B - Monitoring device for industrial systems. : de en
  • US1934038A - Process of vulcanizing rubber to leather : en
  • US1934356A - Cream can : en
  • AT135358B - Device for stringing tennis rackets u. like : de en
  • AT135370B - Friction wheel lighter. : de en
  • US1934111A - Grass seed harvester : en
  • FR754485A - Improvements to fishing gear : en fr
  • DE587878C - Circuit arrangement for suppressing the number of toll-free connections in telephone systems with dialer operation : de en
  • US1933573A - Art of applying the gum hydrocarbons : en
  • US1933779A - Container : en
  • US1933949A - Fan wheel for automobiles : en
  • CA336869A - Foot arch support : en fr
  • DE587501C - Device to avoid self-excitation in multi-stage high-frequency amplifiers : de en
  • US1934011A - Light-sensitive layer : en
  • USPP80P - Yellow rose : en
  • DE581578C - Method of making sponge iron : de en
  • US1934278A - Water cooled oiling system for ball bearings : en
  • US1934286A - Pontoon bridge : en
  • US1934555A - Sanding machine : en
  • US1934558A - Diaper : en
  • DE587754C - Scissors for cutting rolling stock : de en
  • US1933735A - Modulation system : en
  • US1933946A - Egg candler : en
  • USD90971S - Design for a base fob a permanent : en
  • DK47976C - Insulation material and insulation bodies made therefrom and methods of insulating with such. : da en
  • FI15548A - Wood pulp : en fi
  • FR754389A - Electric motor control devices : en fr
  • GB401330A - Improvements in or relating to pit props : en
  • DE587712C - Device for removing foreign gases in absorption machines : de en
  • US1933683A - Production of butyl and isopropyl alcohols : en
  • US1933862A - Holder for edibles and general merchandise : en
  • US1933920A - Hood latch : en
  • US1934640A - Satin white : en
  • DE587558C - Device for achieving a controllable downtime of hydraulically moving tool parts, in particular grinding machine parts, when reversing with switching on an auxiliary piston under the pressure of the pressure medium lines : de en
  • DE587824C - Process for the production of collective phonograms from existing phonograms : de en
  • GB401667A - Improvements in or relating to valves : en
  • US1933997A - Carbon monoxide eliminator : en
  • US1934492A - Autocollimating reflector : en
  • FR754603A - Power steering mechanism : en fr
  • AT135311B - Stroller. : de en
  • DE587839C - Device for short-circuiting and makeshift earthing of electrical cables : de en
  • GB401321A - Improvements in electric lamp fittings for illuminated signs : en
  • US1933642A - Method of manufacturing para-oxocamphor : en
  • US1933685A - Abrading tool : en
  • US1934631A - Maximum and minimum load limiting device for prime movers : en
  • GB400977A - Improvements in or relating to fluid pressure operated blowers for cleaning the tubes of steam generators and the like : en
  • GB401202A - Improvements relating to chair-beds : en
  • GB401095A - Process of producing a natural fish oil of high therapeutic value and the product thereof : en
  • GB401187A - Improvements in and relating to line composing and casting machines : en
  • US1934063A - Process for producing heavy hydrocarbon oils : en
  • US1934616A - Means for protecting submerged journal bearings : en
  • FR754447A - Improvement in the process for arming wooden handles for earthmoving tools, mines, quarries, railways, agriculture and all destinations involving the use of such tools : en fr
  • FR754556A - Transporter with automatic release and deporting device : en fr
  • GB401030A - Supports for electrical heating resistances : en
  • DE587676C - Battery igniter for motorcycles : de en
  • GB401293A - Improvements relating to the control of electric motors : en
  • FI15546A - Security envelope : en fi
  • FR754689A - Propulsion device for submarines : en fr
  • FR754661A - Method and device for controlling metal steam converters : en fr
  • US1934041A - Draft rigging : en
  • US1934133A - Means for preventing frosting or condensation of moisture on glass or other surfaces : en
  • US1934220A - Receptacle : en
  • US1934619A - Air filter : en
  • FR754506A - Multiple thread feed process for lubricating bearings from above for bearings and axle boxes and resulting new industrial products : en fr
  • US1934544A - Door construction : en
  • GB401237A - Process for the manufacture of new condensation products : en
  • FR754453A - Method and apparatus for dispensing gaseous substance : en fr
  • US1933636A - Rake : en
  • US1934403A - Coin control and selecting mechanism : en
  • DK47986C - Procedure for Manufacturing Lynlaase. : da en
  • FI15532A - Process for the preparation of the indan hydrocarbon C20H24 or a derivative thereof from p-symol or a derivative thereof : en fi
  • FR754456A - Process for the preparation of improved oils for use as lubricants, and in particular low pour point oil : en fr
  • GB400976A - Improvements relating to oscillatory electric circuits, such as may be used, for example, in connection with cathode ray devices : en
  • GB401093A - Improvements relating to apparatus for use in hot water heating systems : en
  • GB401182A - Improvements in or relating to thermionic valve arrangements : en
  • GB401185A - Improvements in sports shoes : en
  • GB401117A - Improved manufacture of esters including thio esters substituted in the acid residue : en
  • FI15543A - Pulsator for mjölkningsmaskin : en fi
  • DE586949C - Drive for toys : de en
  • GB401064A - Improvements in electric signs : en
  • US1933629A - Suction cleaner : en
  • US1933634A - Furnace : en
  • US1933657A - Sign and method of producing the same : en
  • FR754553A - pedal operated fuel saver : en fr
  • GB401047A - Ferrules for connecting branch pipes to mains : en
  • DE587709C - Production of a stable ammonium molybdate solution : de en
  • DE587792C - Protection device for electrical distribution systems : de en
  • GB401194A - Improvements in and relating to the propulsion of ships : en
  • AT135221B - Mercury vapor rectifier with anodes arranged in sleeves or arms. : de en
  • GB401257A - A process for increasing the fibre production per unity of area and time of agave-species by means of waste-products of agave and/or gassave and/or other manufactories of cultrue industry being transported in water : en
  • US1933617A - Ornamental tie-back holder : en
  • US1934299A - Folding partition : en
  • US1934013A - Centrifugal pump : en
  • CA337001A - Telephone system : en fr
  • DE588028C - Support roller for conveyor belts : de en
  • GB401116A - Improved process for the manufacture of sulphuric acid derivatives of fatty esters and thioesters : en
  • FR754532A - : fr
  • FR754706A - Device to allow a reciprocal exchange of energy between two alternating current networks : en fr
  • DE584454C - Loading facility : de en
  • DE587831C - burner : de en
  • GB401167A - Improvements in teat cups for milking machines : en
  • US1933808A - Buckle : en
  • US1934503A - Fire protection for automobile storage buildings : en
  • CA336855A - Centrifugal separator : en fr
  • US1934200A - Electric switch mounting : en
  • US1934377A - Conveyer system : en
  • US1933820A - Pumping system for oil burners : en
  • US1934262A - Storage battery terminal clamp : en
  • US1934569A - Umbrella : en
  • US1933776A - Multi-ply bag and method of producing same : en
  • CA337027A - Laundry press : en fr
  • DE587642C - Disc cell for suction cell rotary filter : de en
  • US1933571A - Furnace and method of furnace operation : en
  • US1934649A - Needling machine : en
  • CA336960A - Liquid dispenser : en fr
  • AT135265B - Fluid coupling or transmission of the kinetic type. : de en
  • US1933916A - Window construction : en
  • US1934246A - Brake : en
  • FR754451A - Basement loosening machine : en fr
  • GB401105A - Improvements in or relating to fountain pens : en
  • DE553623C - Pilgrim tube rolling mill : de en
  • AT135386B - Procedure for operating electric railways. : de en
  • US1933732A - Ice cream for diabetics : en
  • US1934326A - Removable container and sanitary pack : en
  • USD90966S - Design for a support for flower : en
  • DE587585C - Process for the utilization of pure or diluted ammonia : de en
  • DE587767C - Corrugated iron clothing for ovens, especially tunnel ovens : de en
  • US1934061A - Electromechanical resonator : en
  • US1933814A - Stock consistency control : en
  • US1934116A - Method and mechanism for agitating concrete : en
  • DE1280732U - : de en
  • US1934136A - Lock for containers : en
  • US1934097A - Manufacture of grid electrodes : en
  • US1934597A - Oscillation damper for shafts : en
  • US1933572A - Self-lubricating spring shackle : en
  • CA336977A - Straw pulp production : en fr
  • CA336976A - Semi-trailer : en fr
  • US1934324A - Preparation of vinyl chloride : en
  • US1933689A - Three-way dump truck : en
  • US1933734A - Recovery of hydrogen : en
  • AT135409B - Method and device for changing the effective length when scanning sound recording media. : de en
  • AT135210B - Bed divan. : de en
  • DE587716C - Device for changing the tensile force or the lifting speed during the working stroke of core pulling magnets, the cores of which are composed of magnetic and non-magnetic material : de en
  • US1934630A - Circuit breaker : en
  • GB401190A - Improvements in razor : en
  • US1933680A - Signaling system : en
  • US1934488A - Road maintainer : en
  • AT135435B - Needle changing device for gramophone reverb boxes. : de en
  • DE587701C - Gearbox to determine the ratio of two speeds or two measured quantities converted into speeds for measuring, tariff, protection, regulating devices or the like. : de en
  • US1934604A - Refrigerator : en
  • US1933545A - Portable talking picture projector for motion picture projection machines : en
  • DE587891C - Valveless mercury vacuum pump with downpipe, especially for venting cooling equipment : de en
  • DE587672C - Device for the uniform drive of tape-shaped sound recording carriers, in particular of sound films : de en
  • US1933884A - Belt buckle : en
  • US1934191A - Motor vehicle : en
  • US1934656A - Method of making hydroquinone : en
  • US1933791A - Method of detecting leaks in a closed gas system : en
  • US1933882A - Leg support for folding card tables : en
  • US1933919A - High pressure hose control appliance : en
  • US1933989A - Massage device : en
  • US1934002A - Glass house roof construction : en
  • US1934268A - Carburetor : en
  • CA336965A - Radio apparatus : en fr
  • DE587548C - Radial bearings with tiltable bearing blocks : de en
  • DE587649C - Electrical resistance : de en
  • DK47989C - Automatic Telephone System. : da en
  • US1934670A - Vehicle spring suspension : en
  • US1934005A - Method of preparing stable aqueous emulsions of lecithin and oil : en
  • US1934393A - Container : en
  • FR754512A - Motor vehicle apron : en fr
  • GB401104A - Improvements in or relating to beacons : en
  • US1933614A - Ice cube tray for refrigerators : en
  • US1934142A - Rail fastener : en
  • USD90968S - Design fob a vehicle tire : en
  • CA336923A - Tar and pitch processing : en fr
  • US1934122A - Apparatus for twisting wire : en
  • US1933772A - Thick walled pressure vessel : en
  • US1933738A - Fruit juice extractor : en
  • US1934204A - Humidifier : en
  • US1934531A - Fire alarm : en
  • US1934088A - Sanding machine : en
  • DE587869C - Door lock with triple locking : de en
  • GB401266A - Aeroplane : en
  • US1934651A - Building structure : en
  • US1934596A - Gas destroyer : en
  • US1934638A - Alkaline filler : en
  • USD90978S - Design for a handle fob kitchen : en
  • US1933673A - Support for combination bridge lamps, bird cages, and the like : en
  • US1933637A - Burial casket handle : en
  • US1933967A - Method and apparatus for electric welding : en
  • US1934538A - Golf score plate or card : en
  • US1933918A - Refrigerating apparatus : en
  • AT135271B - Injection carburetor with an acceleration pump that is actuated in response to the adjustment of the throttle valve. : de en
  • FR754470A - Board game : en fr
  • DE587735C - Procedure for operating copper converters : de en
  • US1934019A - Watch cleaning machine : en
  • US1934272A - Heat resisting upwardly opening safe : en
  • US1934637A - Reduction of solids : en
  • US1933578A - Eyeglasses for correcting retinal image asymmetry : en
  • US1933754A - Process for purification of pentaerythritol tetranitrate : en
  • US1933990A - Supercharger control : en
  • DE587724C - Process for the production of chrome tanning agents : de en
  • FR754433A - Improvements to the gussets for hood clips : en fr
  • US1933744A - Bathing suit : en
  • US1934255A - Valve : en
  • DK47979C - Roll-over device for Dæksbladet by Cigar machines. : da en
  • FR754634A - hollow hearth grate element : en fr
  • US1934073A - Aggregate coater : en
  • US1934114A - Mortar board cap : en
  • US1934205A - Train line relief valve : en
  • GB401068A - Improvements in or relating to photographic cameras : en
  • GB401107A - New cup with removable metal handle : en
  • GB402072A - Improvements in or relating to electric control means for internal combustion engine-electric generator power units : en
  • GB401210A - Improvement in method of stabilising chlorinated aliphatic hydrocarbons : en
  • DE587942C - Electric burglar and fire alarm equipment : de en
  • DE587795C - Overload bars, short-circuit-proof fuse cartridge : de en
  • FR754502A - Trolley adjustable in all directions for cameras : en fr
  • FR754644A - Carrier for bottles and other articles of glass or the like in an incompletely solidified state : en fr
  • US1934606A - Control apparatus : en
  • US1934664A - High-speed directional relay element : en
  • GB401230A - Improved key or the like for removing crown stoppers : en
  • GB401251A - Improved means for preventing the falsification of cheques, receipts and the like : en
  • FR754444A - Tie holder device : en fr
  • DE587464C - Internal combustion engine for aircraft with a crankshaft parallel to the propeller shaft : de en
  • FR754473A - Improvements to two-stroke internal combustion engines : en fr
  • FR754623A - Bag filter : en fr
  • GB401241A - Improvements in or relating to musical instruments : en
  • DE587783C - Brush handle : de en
  • US1933928A - Secondary battery : en
  • US1934069A - Container cap : en
  • US1934418A - Optical projection : en
  • AT135247B - Fountain pen. : de en
  • DE587889C - Blade carrier for radially loaded turbines : de en
  • US1934091A - Method of molding nonplastic metallic oxides : en
  • US1934201A - Load ascertaining device : en
  • US1934221A - Manufacture of 2-methylbenzanthrone : en
  • US1934634A - Apparatus for electrothermic reduction of ores : en
  • US1934295A - Washboard : en
  • DE587984C - Process for cleaning distillation or fission products made from mineral oil, shale oil or brown coal tar oil : de en
  • FR754611A - Process for localizing sounds, phonograms, etc., on films or other media : en fr
  • GB401281A - Improvements in or relating to electrical storage cells : en
  • US1934551A - Air cooling apparatus : en
  • US1934095A - Starting mechanism : en
  • US1933793A - Wrapper for poultry heads : en
  • DE587938C - Device for the automatic dressing of profiled grinding wheels : de en
  • US1933784A - Folding finder for cameras : en
  • US1934359A - Atomizer : en
  • AT135415B - Device intended for electrical musical instruments for controlling the frequency and for coupling alternating current and voltage generators. : de en
  • US1933994A - Curtain and drapery support for windows : en
  • DK47981C - Device for supplying Crowncork capsules to the rotating work table in a machine for processing such. : da en
  • FI15544A - A method of preventing the spread of carcinogens, especially bed bugs : en fi
  • FR754429A - Fastener inserting machine : en fr
  • FR754513A - : fr
  • US1933583A - Trimming machine : en
  • US1934093A - Method of obtaining low boiling oils from higher boiling oils : en
  • US1933966A - Engine cowling : en
  • USD90989S - Design fob refrigerator cabinet : en
  • DE588029C - Suspender clip : de en
  • GB401050A - System of connecting nozzles or branch pipes to pressure vessels : en
  • GB401124A - Improvements in or relating to safety razors : en
  • DE587906C - Daybed with a reversible seat that swings around a fixed axis : de en
  • FR754569A - Front-end improvements for agricultural machinery : en fr
  • AT135229B - High resistance. : de en
  • AT135250B - Backpack. : de en
  • DE587856C - Control slide for two-stroke internal combustion engines : de en
  • DK47991C - Idle control for internal combustion engines, especially for use in automobiles. : da en
  • US1934378A - Electric discharge device : en
  • US1934633A - Prime mover control system : en
  • US1933760A - Brush lifting device : en
  • US1933780A - Train control system : en
  • US1934564A - Process of manufacturing oleomargarine or butter substitute : en
  • GB401010A - Improvements relating to the compensation of three-phase potential transformers : en
  • GB401092A - Improvements in and relating to folding boxes : en
  • US1934007A - Removal of phenols from hydrocarbons : en
  • US1933813A - Electric washing machine for cleaning fabric or other woven material : en
  • US1934186A - Pump : en
  • US1934318A - Antiskid device : en
  • FR754592A - Improvements to vehicle door supports or the like : en fr
  • AT135227B - Dough kneading device. : de en
  • AU1719162A - Production of filaments and fibers of poly gamma methyl glutamate : en
  • FR754435A - Improvements made to machines for cleaning certain vegetables, such as beets, potatoes, etc. : en fr
  • FR754478A - Process for delustering artificial silk : en fr
  • DE588009C - Table air ball game : de en
  • US1934112A - Bed for shoe ornamenting machinery : en
  • DE587646C - Heat exchange device, in particular feed water preheater : de en
  • USRE18992E - Roll mounting : en
  • US1934374A - Electric welding : en
  • US1934481A - Adjustable automatic take-up for belts : en
  • CA336861A - Temperature indicator : en fr
  • AT135411B - Zipper. : de en
  • US1933887A - Late news printing machine : en
  • USD90969S - Design fob a cabinet : en
  • US1934446A - Heating apparatus : en
  • US1933817A - Device for photographing titles on motion picture film : en
  • AT135267B - Motorized drive device for shut-off devices. : de en
  • FR754621A - Advanced soap dish : en fr
  • US1934316A - Brush protecting device : en
  • CA337026A - Wire spring making machine : en fr
  • DE587787C - Device for controlling wheel brakes in shunting systems : de en
  • GB401155A - Improvements in magazine razor : en
  • DE587648C - Arrangement for suspending overhead power lines on insulators : de en
  • USD90984S - Design for a show case : en
  • FR754380A - Maximum switch, in particular automatic installation switch : en fr
  • AU1013932A - Improvements in and connected with devices for connecting scaffold poles andthe like : en
  • CA336931A - Floor or roof slab : en fr
  • CA337002A - Lehr : en fr
  • US1934199A - Combined ignition timer and coil : en
  • US1934420A - Washboard : en
  • US1934516A - Elevator control system : en
  • US1933560A - Electric sheet-welding apparatus : en
  • US1933621A - Fruit juice extractor : en
  • US1934024A - Switch box having plug-in means : en
  • AT135389B - Drive arrangement for motor vehicles. : de en
  • DE587777C - Single-layer metal cover to be laid on site, especially made of copper, for roofs and walls : de en
  • DE587957C - Circuit arrangement for telephone systems with dialer operation to produce favorable working conditions for surge receiving relays during the surge : de en
  • FR754550A - Heat-insulating slats for metal roller blinds and method for their manufacture : en fr
  • FR754580A - : fr
  • US1934054A - Process for producing high-grade motor fuels from heavier carbonaceous material : en
  • US1934213A - Oscillation generator : en
  • DE584119C - Automatic machine for the production of piston ampoules : de en
  • DE587802C - Process for the production of aluminum and aluminum alloys from alumina : de en
  • US1934603A - Refrigerator : en
  • GB400998A - Improvements in or relating to the recovery of sulphur dioxide from gas mixtures : en
  • DE587916C - Process for the production of phonetic carriers : de en
  • CA336954A - Moulded pulp article : en fr
  • DE587651C - Process to increase the conductivity of the connection points of heating elements made of silicon carbide : de en
  • CA336860A - Cigar lighter : en fr
  • AT135429B - Method and device for the production of ring-shaped whetstones from artificial stone mass. : de en
  • DE568222C - Procedure for testing sheet metal : de en
  • DE587817C - Process for the production of wrought iron T-shaped pipe connectors : de en
  • DE587846C - Process for the preparation of ointments : de en
  • GB401023A - Watertight cowl ventilator (not submersible) : en
  • CA336895A - Article dispensing and positioning apparatus : en fr
  • AT135231B - Indirectly heated hot cathode for discharge tubes. : de en
  • AT135397B - Method and device for closing vessels, in particular bottles. : de en
  • AT135256B - Steam generator. : de en
  • AT135342B - Process for producing a base for chewing gum. : de en
  • AT135273B - Switching arrangement for fully and semi-automatic telephone systems. : de en
  • AT135430B - Book spine for books, binders, albums or the like for holding loose, interchangeable sheets. : de en
  • AU997832A - An improved carburetter : en
  • USD90999S - Design fob a bedstead : en
  • AT135201B - Copy device for accounting purposes. : de en
  • US1933542A - Knitting machine : en
  • US1934629A - Cigarette container : en
  • CA337038A - Metallic alloy : en fr
  • US1934294A - Process relating to colloids and their characteristics : en
  • FR754561A - Device for grilling in gas stoves : en fr
  • FR754613A - Gas turbine with explosion : en fr
  • GB400996A - Improvements in processes for the hydrolysis of organic esters of cellulose : en
  • GB401140A - Improved pistol for the atomisation and projection of fusible materials : en
  • US1934065A - Method of making lined nozzles : en
  • AT135214B - Device for the production of spaetzle u. like : de en
  • AT135448B - Process for the production of preparations containing sulfur, which produce colloidal solutions with water. : de en
  • DE587624C - Clutch for outboard motors : de en
  • GB401163A - Bottle cap and method of manufacture thereof : en
  • GB401178A - Improvements in apparatus for measuring densities or opacities : en
  • CA336908A - Garment : en fr
  • AT135351B - Process for the preparation of aliphatic amino alcohols. : de en
  • AT135426B - Device on embroidery machines for mirroring designs. : de en
  • DK47972C - Separate Box of Wood or other suitable Material. : da en
  • FR754445A - Packaging for spherical objects : en fr
  • US1934480A - Process for treating metals : en
  • US1934456A - Connection : en
  • AT135296B - Arrangement for setting the immersion depth of the immersion ignitions in metal vapor rectifiers. : de en
  • CA336956A - Adsorbent : en fr
  • DE587930C - Device for breaking a corner of a paper tube in the production of cross-bottom bags : de en
  • AU920232A - Improvement in concentration of ores by flotation : en
  • AT135228B - Air storage diesel engine. : de en
  • CA336898A - Engine combustion chamber : en fr
  • CA336927A - Metallic composition : en fr
  • CA336984A - Printing machine web renewing means : en fr
  • DE587050C - Liquid arc switch : de en
  • CA336896A - Filling and measuring apparatus : en fr
  • DE587961C - Device for controlling two or more continuous wood grinders driven by a common motor : de en
  • FR754522A - Sealing device for suction boxes of paper machines and method for its manufacture : en fr
  • DE587700C - Process for the production of objects from natural or artificial, optionally transshipped aqueous rubber dispersions by means of alternating current electrophoresis : de en
  • DE587871C - Safety device for self-loading weapons : de en
  • AT135428B - Hollow body, in particular a bathing cap made of rubber or the like. : de en
  • US1934207A - Woodworking machine : en
  • AT135226B - Device for searching for watermarks, cracks and the like Like in postage stamps. : de en
  • DE587813C - Rocker slide : de en
  • GB400997A - Improvements in or relating to degreasing : en
  • FR754446A - Sticky composition and process for its manufacture : en fr
  • US1933857A - Shower bath cabinet : en
  • US1933858A - Regulating system : en
  • DE587737C - Process for the electrolytic separation and recovery of palladium : de en
  • FR754421A - Carburetor : en fr
  • FR754632A - Typewriter in which the printing force is produced by a spring : en fr
  • GB401058A - Supercharger driving-gear for internal-combustion engines : en
  • FR754516A - Improvements to the burners of devices operating on hydrocarbons : en fr
  • DE587809C - Roller mill with two counter-rotating rollers : de en
  • AT135255B - Process for steam generation, in which a fuel-air mixture is burned under a higher, constant pressure and steam generator for its implementation. : de en
  • US1934570A - Ironing machine : en
  • US1934653A - Ornamental device : en
  • DE587742C - Pointer counter with four decadic values : de en
  • GB401005A - Device for supplying fire-extinguishing foam to oil tanks : en
  • US1933626A - Safety closure fastener for windows and doors : en
  • US1933912A - Engine : en
  • US1934156A - Method of applying decorative compositions : en
  • FR754641A - Movable grille with air chambers blown from below to divide the air supply into zones : en fr
  • FR754379A - Piano or similar instrument with electric transmission and amplification of music : en fr
  • GB401137A - Manufacture of easily soluble ester-salts of leuco-vat-dyestuffs : en
  • FR754520A - Aircraft landing gear : en fr
  • FR754527A - System to change the range of firearms by not using part of the propulsion pressure : en fr
  • DE587900C - Process for refining liquid hydrocarbons : de en
  • FI15535A - Rotorande tillförselorgan i axellager i och för säkerhetsställande av smörjmedeltillförseln vid alla omloppshastigheter hos axelskänkeln : en fi
  • DE587609C - Ruler for drawing circular arcs : de en
  • AT135319B - Process for the production of artificial threads or other products. : de en
  • DE588005C - Security lock, such as box lock, mortise lock, central bolt lock, etc. Like., for safes, safe doors and valuables of all kinds : de en
  • CA336903A - Cracker manufacturing machine : en fr
  • FI15531A - Apparat för våtkolning av torvmassa och liknande : en fi
  • FR754681A - Wax stick : en fr
  • GB401029A - Paving blocks for hard wear : en
  • US1934429A - Railroad crossing gate apparatus : en
  • FR754572A - Gear shifting device that can be adapted to chain mechanisms, especially bicycles : en fr
  • GB400988A - Improvements in or relating to the treatment of textile materials : en
  • DE587759C - Spring-loaded curved bicycle frame : de en
  • DE587953C - Drive arrangement for the bridge roller : de en
  • US1933745A - Metallic wool pad : en
  • US1934605A - Refrigerating apparatus : en
  • DE587763C - Window stay for open window sashes : de en
  • FR754636A - Rolling grill fireplace : en fr
  • AU996332A - Improvements in and relating to portable gas producers : en
  • AT135339B - Method of waterproofing wool fibers. : de en
  • FR754649A - Game of chance called "little horses" for use in circles, casinos and individuals : en fr
  • GB401214A - Improvements in or relating to devices for hammering in nails : en
  • DE587896C - Electric tariff meter : de en
  • US1934216A - Sulphonation of beta-naphthol : en
  • US1934411A - Air cylinder for chucks : en
  • AT135402B - Automatic tube closure. : de en
  • CA336867A - Foot pad : en fr
  • CA336907A - Building foundation, etc. : en fr
  • US1933753A - Fuel supply system and valve therefor : en
  • US1934196A - Boiler return and vacuum trap : en
  • US1933842A - Electric clock movement : en
  • US1934053A - Lubricating system and apparatus : en
  • US1934188A - Mold separating press : en
  • CA337029A - Cylinder grinding stand : en fr
  • GB401329A - Improvements in tiles for use in the manufacture of fireplaces : en
  • US1934242A - Purification of gas : en
  • FR754600A - Braun tube usable for oscillography and television : en fr
  • US1933727A - Sash lock : en
  • DE587666C - Screw gauge for inside measurements : de en
  • GB401217A - Improvements relating to foundry moulding sands : en
  • IE12697L - Match packages : en
  • US1934296A - Fuel injection unit : en
  • US1934545A - Flush valve : en
  • DE587594C - Lighting system with alternator and static rectifier for vehicles driven by an internal combustion engine : de en
  • DE587853C - Preparations for the control of vermin on pets : de en
  • FR754576A - Piezoelectric oscillator or resonator : en fr
  • DE588035C - Device for the wet treatment of yarn strands on eccentrically rotating strapping devices : de en
  • US1933565A - Rug cleaning and stretching device : en
  • US1934320A - Circuit controlling device : en
  • AU1031632A - Improved process and composition for the treatment of dyed fabrics : en
  • US1933658A - Automatic steam blower : en
  • US1934125A - Range : en
  • US1933668A - Arrangement for antenna transmission lines : en
  • DE587655C - Protective cap for glasses : de en
  • IE13248L - Peroxides and per salts : en
  • CA336897A - Price card and holder : en fr
  • FR754678A - Overcurrent circuit breaker : en fr
  • GB400986A - Improvements in or relating to the manufacture and use of washing, cleansing, emulsifying, dispersing, wetting-out or like agents : en
  • GB401239A - Improvements in or relating to supercharged four stroke cycle internal combustion engines : en
  • AT135218B - Method for displaying a certain liquid level in vessels. : de en
  • US1933628A - Brush holder : en
  • US1933972A - Roller skate : en
  • US1934270A - Controlled coaster wheeling mechanism for motor driven vehicles : en
  • US1934349A - Tubular fire escape construction : en
  • US1934366A - Railway signal system : en
  • US1934478A - Cableway : en
  • CA336999A - Telephone system : en fr
  • AT135285B - Mechanical relay. : de en
  • US1934412A - Radio receiving circuit : en
  • US1933730A - Dust collector : en
  • US1933879A - Basket making machine : en
  • US1933649A - Polarized relay switch : en
  • AU992932A - An improved string cutter : en
  • FR754626A - Production and application of new auxiliary agents for the textile industry : en fr
  • US1933901A - Electric heating control system : en
  • FI15551A - Sät att tillverka lateximpregnerat papper eller Papp : en fi
  • DE587396C - Pot lifter : de en
  • DE587707C - Device for pressure relief in textile calenders when passing through seams between the calender rolls : de en
  • CA336986A - Demountable wheel : en fr
  • AT135254B - Link with insertable filler piece for unwelded chains : de en
  • AT135268B - Process and device for reducing the friction work in vehicles, transmissions, screw ships and the like. like : de en
  • US1934106A - Cigarette dispensing device : en
  • AT135399B - Gas burner. : de en
  • CA336859A - Dye production : en fr
  • US1933749A - Tubular structure and method of making same : en
  • AT135388B - Disc clutch, in particular for gearboxes for motorcycles. : de en
  • AT135349B - Preparations for cleaning, disinfecting and deodorising utensils in the butcher's and smokers' trade. : de en
  • AT135445B - Process for the production of foam-developing preparations. : de en
  • US1933623A - Convertible vehicle body : en
  • US1933736A - Electromagnetic lock : en
  • US1934617A - Conveyer system : en
  • DE587614C - Dog leash consisting of a Bowden cable : de en
  • DE587697C - Resonance spring set, the resonance springs of which are clamped between a fixed and an adjustable clamping bracket of resonance spring drives : de en
  • FR754474A - Improvements to the combustion chambers of internal combustion engines of the liquid fuel injection and compression ignition type : en fr
  • FR754503A - Two-stroke engine, single and double-acting, fixed piston supercharging, combustion or explosion : en fr
  • GB401020A - Improved hydraulic power transmitter : en
  • US1934338A - Typewriting machine : en
  • AT135347B - Process for the preparation of complex, therapeutically valuable, organic heavy metal compounds. : de en
  • US1933604A - Air separator : en
  • US1934301A - Method of recovering volatile substances : en
  • US1933921A - Hood latch : en
  • US1934190A - Presser foot for sewing machines : en
  • US1934123A - Process for the manufacture of condensation products from diolefines and hydrocarbons : en
  • CA336996A - Dyeing process : en fr
  • DE588067C - Fluid switch : de en
  • AT135287B - Device for synchronizing cathode ray recorders. : de en
  • AT135378B - Car bodies, in particular for motor vehicles. : de en
  • US1933559A - Method of making spring harrow teeth : en
  • AT135220B - Packaging for tablets or the like, disc-shaped objects sunk into recesses. : de en
  • DE587827C - Process for the production of highly refractory masses : de en
  • AT135284B - System for remote control and remote monitoring of several substations located on different lines. : de en
  • AT135332B - Process for cutting material containing precious metals. : de en
  • AT135295B - Method for regulating variables that are under the influence of several adjusting devices, in particular for regulating the output of several power generators. : de en
  • US1933663A - Leveler : en
  • US1933700A - Overhead door control means : en
  • US1934150A - Apparatus for distilling oils : en
  • US1934443A - Brake drum : en
  • AT135310B - Mat, runners, especially shoe scrapers, bath mats or the like formed from individual strips spaced apart from one another by spacers. : de en
  • US1934079A - Electrical prospecting : en
  • CA336915A - Plastering board : en fr
  • CA336886A - Game : en fr
  • CA337023A - Diffuser : en fr
  • US1933902A - Lining for oil burner bases : en
  • CA337032A - Cigarette making machine : en fr
  • AT135281B - Device for alternately closing and opening circuits. : de en
  • AT135373B - Letter game. : de en
  • FR754531A - Continuous production process for hypochlorous acid : en fr
  • FR754650A - Fire alarm : en fr
  • AT135309B - Self-closing hinge. : de en
  • DE587729C - Crucible furnace for melting electrically conductive materials, in particular metals : de en
  • DE587751C - Device for setting radiator cover flaps in cooling systems in vehicle internal combustion engines : de en
  • GB401086A - Improvements in electric lighting installations : en
  • US1933708A - Venetian blind top rail tilting device : en
  • US1934355A - Oil bearing : en
  • US1933580A - Defrosting of mechanical refrigerators : en
  • US1934473A - Hose protector : en
  • US1933819A - Vacuum drum drier : en
  • AT135257B - Elastic coupling. : de en
  • DE587791C - Pressurized gas nozzle switch : de en
  • DE587880C - Heavy-duty variable resistance consisting of a resistive layer applied to insulating material : de en
  • DE588037C - Washing machine : de en
  • FR754438A - Process for avoiding the reduction of moment of resistance in sheet piles whose assembly joints are located in the outer zone of the wall : en fr
  • GB401231A - Improvements in or relating to devices for adjusting the angular registration of machine units driven from main shafts : en
  • US1934202A - Metal cutting machine : en
  • US1934610A - Process of producing hydrogen cyanide : en
  • USD90988S - Design for a biscuit baker : en
  • CA337014A - Rubber thread or strip manufacture : en fr
  • FR754508A - Improvements to printing or recording machines : en fr
  • AT135326B - Aluminum-chrome steels. : de en
  • CA336991A - Reversing clutch : en fr
  • AT135390B - Adapter coupling. : de en
  • US1934396A - Chair : en
  • US1934121A - License tag : en
  • US1933959A - Radio aerial : en
  • CA336917A - Light aluminum alloy : en fr
  • CA336966A - Radio apparatus : en fr
  • US1934012A - Watersoluble formaldehyde-bisul-phite amino-aryl antimony arsenic compounds : en
  • DE587910C - Radiator connected to central heating : de en
  • AT135345B - Bang toys. : de en
  • CA336949A - Quick freezing process : en fr
  • US1934571A - Tire pop valve : en
  • US1934671A - Clutch control device for motor vehicles : en
  • US1933607A - Production of textile materials : en
  • US1934235A - Friction brake for vehicles and the like : en
  • US1934559A - Battery terminal : en
  • US1933576A - Manufacture of bracelets : en
  • GB401175A - Improvements in and relating to measuring pumps : en
  • AT135340B - Methods of preventing explosions during welding and similar work. : de en
  • US1934476A - Brake : en
  • US1934237A - Internal combustion turbine engine : en
  • AT135424B - Copy device for roll films. : de en
  • AT135436B - Optical signaling device for guest or coffee house tables. : de en
  • DE587628C - Telegraph system in which the connection of the individual subscriber stations is made by self-connecting exchanges : de en
  • GB400995A - Improvements in or relating to electrical oscillation generators : en
  • GB401131A - Improvements relating to the manufacture of stable fluid emulsions : en
  • CA336988A - Treated coke : en fr
  • DE587901C - Safety device to prevent the backflow of gas : de en
  • DK47971C - Screen device for circular saws. : da en
  • CA337030A - Vegetable cutter : en fr
  • US1933823A - Cut film and plate-holder : en
  • US1933903A - Flow bean : en
  • CA336939A - Temperature control device : en fr
  • AT135208B - Computing device. : de en
  • US1933538A - Lip stick apparatus : en
  • AT135384B - Device for coupling railway vehicles. : de en
  • US1933757A - Disinfectant : en
  • US1933785A - Cut-off mechanism : en
  • US1934614A - Furnace : en
  • US1933771A - Air conditioning device : en
  • US1933827A - Cellulose organic ester composition containing ethyl gamma-phenoxy butyrate : en
  • US1934494A - Method and apparatus for cleaning and polishing automobiles : en
  • AT135205B - Radiator nozzle with fan. : de en
  • CA337017A - Petroleum tar : en fr
  • US1933865A - Doorlock : en
  • US1933746A - Toilet seat : en
  • US1934388A - Automatic control apparatus : en
  • AT135289B - Circuit arrangement for securing the load balance between two or more parallel working anodes of grid-controlled arc rectifiers. : de en
  • DE587610C - Measuring table : de en
  • US1934453A - Milk bottle shipping container : en
  • AU1112933A - Improvements in or relating to amusement boats : en
  • US1934621A - Bread slicing machine : en
  • CA336955A - Petroleum hydrocarbon processing : en fr
  • US1933783A - Photographic gates for film : en
  • US1934195A - Metal furniture : en
  • US1934583A - Container handling mechanism : en
  • CA336936A - Constant potential device : en fr
  • US1934222A - Automotive vehicle brake : en
  • US1933609A - Multiple stage pulp washer : en
  • US1933717A - Time controlled switch : en
  • US1934023A - Process for obtaining valuable products from coal and other carbonaceous materials and improved apparatus for such a process : en
  • US1934105A - Baggage fastener : en
  • US1933897A - Apparatus for transfer of heat : en
  • CA336932A - Paint vehicle for flaked pigments : en fr
  • DE586425C - Device for attaching valve bags to the filling nozzles of valve bag packing machines : de en
  • CA336926A - Metallic composition : en fr
  • DE588040C - Process for the pretreatment of hot gases to be cleaned electrically : de en
  • CA336866A - Pulp production : en fr
  • US1934131A - Handle : en
  • DE587581C - Arrangement for generating tilting vibrations : de en
  • DE587723C - Steam power plant : de en
  • US1933867A - Shirt display means : en
  • US1934600A - Saddle support : en
  • AT135418B - Sewing table. : de en
  • DE587638C - Corrosion-proof fermentation and storage vessel for the fermentation industry : de en
  • GB401061A - Improvements in or relating to variable speed friction gears : en
  • GB401322A - Improvements in or relating to coffee making apparatus : en
  • US1934143A - Production of sulphaminic acids of 2-aminoanthrahydroquinone sulphuric acid esters : en
  • DE587613C - Container for cigarettes or the like. : de en
  • AT135219B - Flushing device. : de en
  • AT135385B - Wheel rim. : de en
  • US1934465A - Inserted tooth cutter : en
  • US1934579A - Spring unit and assembly for railway cars : en
  • CA336962A - Liquid dispensing apparatus : en fr
  • US1934288A - Door check structure : en
  • US1934534A - Process of making synthetic building blocks from lime : en
  • US1934595A - Thermal meter : en
  • AT135425B - Photographic cassette. : de en
  • CA336942A - Illumination apparatus : en fr
  • US1934528A - Holder for magazines, books, etc. : en
  • AT135381B - Automatic vacuum brake. : de en
  • CA336924A - Roofing felt production : en fr
  • US1934060A - Condenser motor : en
  • US1934158A - Fish lure : en
  • US1933681A - Knitting machine : en
  • US1933675A - Torque-resisting arrangement for multiwheelers : en
  • US1934497A - Tire record device : en
  • US1934648A - Oxidation of alcohols : en
  • US1934172A - Power neck band clamp : en
  • AT135323B - Pig iron ingots for the production of high-quality gray cast iron. : de en
  • CA336937A - Discharge device stabilizer system : en fr
  • FR754372A - Plate clutch : en fr
  • FR754387A - Process for manufacturing dyes and dyes obtained by this process : en fr
  • AU990932A - Improvements in electric welding apparatus : en
  • US1933650A - Signaling system : en
  • US1933788A - Photographic printing apparatus : en
  • US1934128A - Vehicle suspension means : en
  • US1934250A - Bottle holder for bottle washing machines : en
  • US1934536A - Fishing apparatus : en
  • US1933965A - Trouble light : en
  • US1934364A - Impulse receiving system : en
  • DK47975C - Weeding machine. : da en
  • CA336858A - Pail : en fr
  • CA336938A - Circuitous elevator control system : en fr
  • FR754555A - Hydraulic clutch : en fr
  • CA336887A - Carrying hook : en fr
  • GB401088A - An improved method of husking grain : en
  • CA336963A - Liquid dispensing apparatus : en fr
  • DE578715C - Electric motorized bell ringing device : de en
  • US1933554A - Conveyer for self serving restaurants : en
  • US1933795A - Communication with moving vehicles : en
  • GB401091A - Improvements in or relating to hinges for spectacle frames : en
  • US1934568A - Screw holding device : en
  • DE587647C - Transportable cooling device : de en
  • DE587696C - Single or multi-rod half-coil for electrical machines consisting of flat partial conductors that are conductively connected to one another at both ends : de en
  • AT135447B - Radio signal transmission device. : de en
  • US1933589A - Drilling mechanism : en
  • US1933697A - Modified castor oils and coating compositions containing the same : en
  • US1934436A - Ice cream cone carrier and protector : en
  • US1934607A - Refrigerator control : en
  • US1934240A - Carburetor : en
  • DE587659C - Pipe mast, candelabra or the like : de en
  • DE587907C - Fabric covering for seating and reclining furniture : de en
  • FR754670A - Compressed gas switch : en fr
  • US1934203A - Method of and apparatus for effecting cooling of heated objects : en
  • FR754492A - Microscope stand : en fr
  • FR754365A - Improvements to internal combustion engines : en fr
  • US1934144A - Mop cleaner and dust receptacle : en
  • US1934157A - Inking mechanism : en
  • FR754476A - Removable crate : en fr
  • FR754584A - Practical opening device for metal cases without a key : en fr
  • DE567602C - Process for the production of hydrogen peroxide : de en
  • DE587629C - Expansion switch : de en
  • GB401139A - Improvements in the manufacture of steel pipes : en
  • GB401054A - Apparatus for charging gases with radio-active emanations and introducing them into the organism by injection, insufflation or the like : en
  • GB401121A - Improvements in and relating to process and apparatus for the production of nitrates : en
  • GB401156A - Improvements in or relating to exhaust heated carburetting apparatus for internal combustion engines : en
  • AU988732A - Automatic alarm mechanism for attachment to drain trays ofice-chests orthe like : en
  • CA336990A - Grain deflector : en fr
  • DE587619C - Jumping camera : de en
  • GB401072A - Improvements relating to apparatus for winding a string or the like upon a bobbin orreel : en
  • US1933585A - Azo dyes and their production : en
  • US1933807A - Photographic camera and magazine construction : en
  • US1934410A - Method of fractionally separating pulverulent materials : en
  • US1933914A - Helical cross tie : en
  • USRE18989E - Smokeless powder : en
  • US1933552A - Holder for autocollimators : en
  • US1933593A - Method of forming rolled metal articles : en
  • US1933705A - Method of making connecters : en
  • US1934615A - Cushion : en
  • USD90992S - Design for an automobile radiator : en
  • US1934161A - Method of producing acetic acid : en
  • DK47983C - Sheet metal closure for metal containers, e.g. Iron barrels or Iron drums. : da en
  • GB401078A - Improvements in and relating to chimney cowls and ventilators : en
  • GB401224A - An improved display device : en
  • AT135240B - Electric heater or cooker. : de en
  • US1933665A - Leather buffing machine : en
  • US1933741A - Holding compartments for paint tablets in sheet metal paint boxes : en
  • DE587604C - Central heating boiler with a wall that fills the cross-section of the combustion chamber and is placed on the grate : de en
  • DE588013C - Schuettelrutschenverbindungen with a mating member that is inserted in a trough of one end of the slide : de en
  • DE588008C - Process for the production of seamless, mosaic-like coverings, especially for walls : de en
  • US1933861A - Hull for ship construction : en
  • DE587617C - Upsetting or die press : de en
  • GB401150A - Improvements in and relating to electrical means for indicating measured values : en
  • US1933596A - Dispensing : en
  • US1934334A - Closure retainer : en
  • US1934391A - Machine for extruding shaped pieces : en
  • US1934102A - Divided spoke for metal wheels : en
  • USD90998S - Design for a chest of drawers or : en
  • US1933905A - Valve for lubricating systems : en
  • US1934460A - Brake shoe : en
  • DE587631C - Device for the production of high-ohmic resistors : de en
  • DK47992C - Close Liquid Openers for Liquid Containers. : da en
  • DK47999C - Method and apparatus for shaking concrete mass and the like. : da en
  • GB401310A - Improvements relating to systems for controlling electric motors : en
  • DE587578C - Process and machine for the production of hang tags : de en
  • DE587785C - Method and device for manufacturing hard head rails : de en
  • US1934108A - Fuel oil injection pump : en
  • US1933777A - Lifting jack : en
  • US1934372A - Folding table top : en
  • DE587976C - Steam boiler with indirect heating : de en
  • GB401153A - Rail fixing device with supporting plate arranged between the rail foot and the sleeper : en
  • GB401308A - Improvements in and relating to means for cooling electric discharge metal vapour containers : en
  • GR4393B - TOOL FOR THE OIL HARVEST. : el en
  • US1933740A - Mechanism for opening and closing valves : en
  • US1933822A - Cellulose acetate compositions containing biphenyl benzoate : en
  • US1933875A - Combination cigarette holder and pipe stem : en
  • US1934584A - Doorlock for street cars, motor busses and ships : en
  • GB401001A - New composite materials having electrically conducting and insulating components andelectrical devices comprising the same : en
  • US1933759A - Dragline bucket : en
  • US1934072A - Superheater boiler : en
  • US1934452A - Hanging : en
  • GB401338A - Improvements in the colouration of textile materials made of or containing cellulose esters or ethers : en
  • GB401243A - Improvements relating to boat lowering and raising gear : en
  • DE587695C - Process for hardening focal points for switches : de en
  • DE587821C - Brake release magnet : de en
  • US1934232A - Slide rule : en
  • US1934421A - Fluoroscope : en
  • US1934518A - Arc horn : en
  • AT135224B - Selection mechanism for telegraph recipients. : de en
  • AT135251B - Pocket mirror with lighting device. : de en
  • AT135356B - Process for the production of a mercurochloride double compound of podophyllin. : de en
  • GB401263A - Improvements in connecting devices : en
  • DE587704C - Exchangeable insert pocket for clothes bags : de en
  • DE587823C - Arrangement for switching off metal vapor rectifiers in the event of a return through reverse current relays in the anode lines : de en
  • US1933907A - Dental wax : en
  • US1934627A - Track link : en
  • US1934164A - Window guard : en
  • US1934449A - Safety device for vehicles : en
  • US1934532A - Sign frame : en
  • US1934642A - Clay : en
  • FR754672A - Camera with a viewing chamber arranged above the imaging chamber : en fr
  • DE587282C - Distribution structure for the absorber of an absorption cooling apparatus : de en
  • FR754434A - Improvements made to massage and self-massage devices : en fr
  • US1933564A - Bonding rail : en
  • FR754665A - Speeding counter : en fr
  • GB401676A - Improvements in and relating to the union of cupriferous metals with ferrous metals : en
  • AT135450B - Depolarizing electrode for electrical elements. : de en
  • FI15547A - Bag for sending goods : en fi
  • US1933940A - Tool for reloading ammunition for pistols and rifles : en
  • US1933985A - Sulfamic acids of secondary bases, processes of preparing the same, and pure secondary bases derived therefrom : en
  • US1934612A - Sleigh brake : en
  • GB401066A - Device for tempering sheets of glass, of steel and other material by jets of gaseousfluid : en
  • GB401106A - Improvements in or relating to apparatus for measuring loads and fluid pressures : en
  • GB401109A - Improvements in or relating to tool chucks : en
  • US1934325A - Bundle loading device : en
  • US1934071A - Fastening knob for use in hand bag frames and method of making the same : en
  • US1933631A - Compensated circuit scheme for grid direct current modulation : en
  • US1934663A - High-speed impedance relay element : en
  • DE587663C - Vulcanization process : de en
  • DE587664C - Process for the production of goods from rubber or the like. Substances with a spongy or cellular structure : de en
  • DE587848C - Device for making the ring joints in wooden bungs with a removable bottom part : de en
  • DE587940C - Security lock, such as box lock, mortise lock, central bolt lock, etc. Like., for safes, safe doors and valuables of all kinds : de en
  • FR754578A - Process for obtaining photographic prints from negatives : en fr
  • GB401009A - Improvements in and relating to the windings of dynamo electric machines : en
  • US1933686A - Coin controlled circuit control : en
  • US1933866A - Advertising globe : en
  • US1933544A - Yarn-making apparatus : en
  • US1933553A - Block and tackle system : en
  • US1934588A - Battery hanger : en
  • US1934655A - Treatment of residual liquors : en
  • GB401103A - Improvements in or relating to coin freed apparatus for discharging measured quantities of liquid : en
  • USRE18991E - Apparatus for and method op handling : en
  • DE587911C - Floor corner molding : de en
  • US1934058A - Nonrefillable bottle : en
  • US1934508A - Elevator safety : en
  • US1934593A - Signaling device : en
  • US1933597A - Floating harbor for amphibians, flying boats, and seaplanes : en
  • US1933763A - Changing sign : en
  • DE587958C - Pupin coil box with coil support frame : de en
  • FR754647A - Counter for games : en fr
  • FR754463A - Binoculars for shock absorbers : en fr
  • FR754582A - Hunting cartridge : en fr
  • FR754664A - Process for the preparation of catalysts : en fr
  • FR754496A - Device for separating cylindrical objects one by one : en fr
  • US1933900A - Carburizing box and like article : en
  • US1933797A - Duplex camera construction : en
  • US1933947A - Suction fan wheel : en
  • US1934241A - Pipe coupling : en
  • US1934330A - Lock joint seam : en
  • US1933612A - Internal combustion engine : en
  • US1934256A - Method of making running boards : en
  • US1933639A - Apparatus for use in the manufacture of laminated glass : en
  • US1934304A - Mixing device : en
  • CA336975A - Semi-trailer : en fr
  • GB401079A - Improvements in or relating to machines or apparatus for delivering predetermined quantities of granular, powdered or like materials : en
  • GB401249A - Improvements in and relating to valve actuating mechanism for dry gas meters : en
  • US1933567A - Process for purifying water : en
  • DE587951C - Guard device : de en
  • DE565290C - Method for closing bottles or the like and machine for carrying out the method : de en
  • DE576517C - Device for achieving a controllable downtime of hydraulically moving tool parts, in particular grinding machine parts, when reversing : de en
  • DE587803C - Device for determining the fatigue strength of hollow vessels, in particular glass bottles : de en
  • US1934380A - Filing cabinet : en
  • DE587591C - Process for producing an optical modulator by photographic reproduction : de en
  • DE587806C - Joint for cardan shafts : de en
  • DE587589C - Process for the production of low-water ammonium magnesium phosphates : de en
  • US1933719A - Mounting for brackets : en
  • AT135336B - Heat emitting mixture. : de en
  • AT135363B - Hoof shoeing for two-hoofed animals (claw shoeing). : de en
  • CA336987A - Railway car : en fr
  • CA337031A - Motor vehicle safety device : en fr
  • FR754622A - Electric timepiece : en fr
  • GB401240A - Improvements in or relating to electric discharge tubes : en
  • GB401120A - Improved manufacture of esters and thio esters substituted in the acid residue : en
  • CA336913A - Barium oxygen compound : en fr
  • FR754554A - Welded sheet metal frame for heat engines : en fr
  • FR754413A - Sealing device for multi-stage steam and gas turbine blades : en fr
  • US1933610A - Combined air chuck and gauge : en