• US2388068A - Godet : en
  • USD142723S - Design fob a baseball game device : en
  • CH239590A - Method for correcting castings, apparatus for carrying out this method and corrected part according to the latter. : en fr
  • US2387709A - Orientation of fruit : en
  • US2388129A - Flexible shafting : en
  • AU128901B2 - Engine starter drive : en
  • AU2415945A - Improvements in or relating tothe production of photographic emulsions : en
  • CA430870A - Container for gas or liquid under pressure : en fr
  • GB572928A - Improvements in or relating to apparatus for delivering measured quantities of powdered material : en
  • USD142718S - Combined identification tag and money clip : en
  • FR904173A - Improvements to electromagnetic winding watch parts : en fr
  • US2388122A - Processes of treating organic com : en
  • US2388149A - Sear for firearms : en
  • US2388178A - Polymerization process : en
  • US2388040A - Process for recovering toluene : en
  • USD142741S - Pistol holster and knife scabbard : en
  • US2388077A - Lens system : en
  • AU120466B2 - Improvements relating tothe bending of metal pipes : en
  • CA430934A - Chemical compound isolating process : en fr
  • CH239683A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • ES171110A2 - : en es
  • US2388076A - Process for stabilizing a petroleum oil : en
  • CH239646A - Method for applying a mark to an object for the purpose of identifying the same and device for carrying out the method. : de en
  • FR904212A - Formaldehyde tanning process : en fr
  • CH239555A - Control device for electrically operated toy and model trains. : de en
  • CA430904A - Synthetic polymeric composition : en fr
  • CH239563A - Current transformer device. : de en
  • CA430903A - Synthetic polymeric composition : en fr
  • US2387711A - Brake mechanism : en
  • CA430866A - Zinc aluminate pigment and paint : en fr
  • CH239499A - Device for utilizing the heat absorbed by a coolant for generators, transformers, internal combustion engines and the like. : de en
  • ES11983U - Reinforcement to prevent the disintegration of soap bars. (Machine-translation by Google Translate, not legally binding) : en es
  • USD142692S - Design foe an ash tray : en
  • USD142734S - Design for a jewelry pin or similar article : en
  • US2388002A - Brake pedal lock release : en
  • US2388155A - Inhibition of corrosion : en
  • BE460000A - Device for adjusting the tensile force in rolling mills with continuous trains : en fr
  • ES170940A1 - IMPROVED IMPROVEMENTS IN THE OBTAINING OF RESINOUS COMPOSITIONS : en es
  • US2388099A - Manufacture of butylenes : en
  • US2388229A - Snubber : en
  • CH239643A - Process for the preparation of an aqueous solution of a molecular compound of lactoflavin. : de en
  • FR904195A - Bung closure for metal containers : en fr
  • FR904297A - Process for the preparation of pantothenic acid and its salts : en fr
  • FR904273A - Improvement in the spinning process in the manufacture of so-called "viscose" silk and fibranne and products thus obtained : en fr
  • CH239687A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • FR904252A - N-Substituted amides derived from imino-di-fatty acids and process for the preparation thereof : en fr
  • FR904348A - Improvement made in bezels or brooches to bring back pivots in watchmaking : en fr
  • GB572956A - Improvements in or relating to hydrated nitroguanidine tetrasulfate and methods of preparing the same : en
  • FR904241A - Process for refining fibers, yarns, fabrics, hosiery and other articles of planar shape from cellulose hydrate : en fr
  • ES171099A1 - CRYSTAL CONTROLLED OSCILLATOR : en es
  • US2388062A - Multiple stage fluid drive transmission : en
  • US2388195A - Process for purification of sugar juices and the like : en
  • CA430933A - Circular knitting machine : en fr
  • ES171140A1 - A PERFECTED APPARATUS FOR PROJECTING SLIDES : en es
  • US2387858A - Liquid level controlling means : en
  • US2388119A - Lens : en
  • CH239664A - Link casing for pneumatic tires of vehicles. : de en
  • GB572939A - Improvements in and relating to electrical connectors : en
  • US2387794A - Preparation of p-cymene from a monocyclic terpene : en
  • US2387907A - Craft of the hydroplane type : en
  • FR904240A - Scope of a tree in a light metal box : en fr
  • CH239491A - Hammer mill for preparing cattle feed. : de en
  • SU65341A1 - Method for increasing weather resistance of building materials from plant fiber materials : en ru
  • US2387766A - Feeding mechanism for container parts : en
  • US2387855A - Piston ring : en
  • US2388058A - Lubricant : en
  • US2388033A - Flasher switch : en
  • US2388019A - Bearing : en
  • CH239495A - Concrete composite construction. : de en
  • FR904199A - Process for the treatment of fibers and fibrous materials : en fr
  • FR904189A - Magnetic coupling : en fr
  • US2387716A - Braking system for automotive vehicles : en
  • ES171107A1 - LUBRICATION SYSTEM FOR RAILROAD AND SIMILAR VEHICLE AXLES : en es
  • ES12004U - Type of ashtray. (Machine-translation by Google Translate, not legally binding) : en es
  • ES11999U - Box-container, removable. (Machine-translation by Google Translate, not legally binding) : en es
  • FR904289A - Device for measuring alternating voltages by means of an amplifier : en fr
  • GB572944A - An improved duplex paper : en
  • FR904211A - Manufacturing process of synthetic tannins : en fr
  • IE16944L - Heat treating knitted goods : en
  • US2387807A - Journal bearing : en
  • US2387938A - Rate of turn meter and bank indicator : en
  • US2388134A - Biological apparatus, container, and method : en
  • USD142700S - Design for a combination desk unit : en
  • FR904236A - Multi-piece friction-ring friction brake : en fr
  • ES161194A1 - A PROCEDURE FOR MANUFACTURING GLASS BODIES CONTAINING A TUBULAR BODY OF THE SAME SUBSTANCE : en es
  • GB572960A - Improvements relating to the production of zinc : en
  • US2387729A - Cable elbow : en
  • US2388020A - Universal type grinding tool : en
  • FR904161A - Contact converter : en fr
  • AU129181B2 - Holding means foran indicating device : en
  • ES170927A1 - IMPROVEMENTS IN THE MANUFACTURE OF PLUGS FOR FUSED CARTRIDGES : en es
  • US2387718A - Extrusion apparatus : en
  • US2388011A - Handling mechanism for match combs : en
  • CA430883A - Therapeutic apparatus : en fr
  • CH239531A - Plansifter. : de en
  • FR904164A - Control method of a synchronism regulator : en fr
  • ES11977U - Device to hold the ball of wool or other textiles. (Machine-translation by Google Translate, not legally binding) : en es
  • FR904227A - Electrical capacitor with wound armatures separated by the blocking dielectric : en fr
  • ES4016Y - Self-holding wiping device. : en es
  • AU1217343A - Manufacture of rubberlike materials : en
  • US2387880A - Construction for glass melting tanks : en
  • US2388010A - Gun turret for mobile tanks : en
  • CH239627A - Gas exhaust device for self-blowing electric circuit breaker. : en fr
  • DK64063C - Bicycle set. : da en
  • US2387772A - Electrodeposition, method and apparatus : en
  • US2388023A - Electric circuit controller : en
  • GB572993A - A method for the manufacture of glass articles : en
  • GB572885A - Improvements in blue water gas plants : en
  • LU27746A1 - : en
  • GB572913A - Improvements in non-skid devices for road vehicles : en
  • US2387861A - Accounting machine : en
  • US2388197A - Range-finding apparatus : en
  • US2387775A - Oscillation reducing device : en
  • AU2380945A - Laminated articles anda method of making same : en
  • FR904306A - Process for preparing tetrahydronaphthalene disulfonic acid chloride : en fr
  • US2388027A - Altimeter : en
  • US2388221A - Device for receiving, retaining, and releasing articles : en
  • FR904205A - Switches for telecommunication systems : en fr
  • AU129835B2 - Improvements indoor-operating mechanisms for lift doors andthe like : en
  • CA430874A - Bread slicing machine : en fr
  • CA430917A - Photography : en fr
  • FR904256A - Method of protection of aluminum and its alloys by anodic oxidation by obtaining dehydrated and condensed alumina : en fr
  • CH239660A - Plastic belt, in particular conveyor belt. : en fr
  • US2388037A - Rubber composition and method of making same : en
  • CH239617A - Rotor blades, in particular for gas turbines. : de en
  • US2387817A - Automatic toaster : en
  • US2388049A - Attenuator : en
  • US2388102A - Distillate production : en
  • USD142689S - Combined dental laboratory bench and cabinet : en
  • AU2341445A - Improvements in crankshafts : en
  • CA430900A - Carob bean dehusking method : en fr
  • DK64064C - Procedure for the production of cold or hot asphalt concrete for road pavements. : da en
  • GB572902A - Improvements in or relating to stiff or semi-stiff fabrics and articles : en
  • FR904200A - Phonographic recording disc : en fr
  • AU131875B2 - Improvements in electric dry batteries ofthe layer type : en
  • CA430897A - Engine supercharging apparatus : en fr
  • FR904288A - Metalworking process by chip removal : en fr
  • GB572954A - Manufacture and use of organic hydrazine derivatives : en
  • US2387776A - Oscillation reducing device : en
  • AU136194B2 - Improvements inholders for arc-welding electrodes : en
  • FR904301A - Winding drum preferably for strip irons : en fr
  • FR904344A - Automatic manufacturing process of bimetallic rivets and machine for its implementation : en fr
  • US2387720A - Self-threading screw : en
  • US2388220A - Valve apparatus : en
  • US2388125A - Cap detector for automatic bottle vending machines : en
  • US2388120A - Heat-treating magnesium alloys : en
  • US2387803A - Method of casting : en
  • AU2441645A - Improvements relating to mechanical stokers : en
  • US2387786A - Analytical system : en
  • ES171145A1 - AN INTRODUCTION DEVICE FOR A CURRENCY FOR A PRE-PAID METER : en es
  • ES171073A1 - A CONTENSOR APPARATUS FOR ABDOMINAL AND INGUINAL HERNIAS : en es
  • ES12028U - Selling box perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • US2388175A - Washing machine drive : en
  • ES170755A1 - AN AIR-DRIVEN FAN, OF GREATER APPLICATION IN RAPID SPEED VEHICLES : en es
  • FR904193A - Manufacturing process of a light working material from sawn chips : en fr
  • US2388144A - Knitted goods : en
  • US2387767A - Sheet cutting machine : en
  • US2388105A - Spectrograph : en
  • GB572959A - Treatment of paper or textile fabrics : en
  • US2387850A - Decoding system : en
  • ES11806U - Folding chair for beach and field (Machine-translation by Google Translate, not legally binding) : en es
  • ES12015U - Bipolar electric plug with a single hole. (Machine-translation by Google Translate, not legally binding) : en es
  • ES11988U - Container or container of transparent material (Machine-translation by Google Translate, not legally binding) : en es
  • GB573017A - Improvements in the manufacture of organic isocyanates : en
  • CH239637A - Time delay relay. : en fr
  • USD142744S - Design for a salt shaker or the like : en
  • US2387801A - Processes for treating cellulose matter and resulting product : en
  • USD142709S - Design foe a doll : en
  • US2387977A - Ditching machine : en
  • ES11980U - Over-letter for correspondence and other uses. (Machine-translation by Google Translate, not legally binding) : en es
  • US2387827A - Core oil : en
  • GB572918A - Improvements in multi-channel radio signalling systems : en
  • GB572947A - Improvements in or relating to wicks for cigarette lighters, oil lamps and the like : en
  • CH239558A - Actuating device for precise adjustment of an organ. : de en
  • GB573033A - Improvements in locking means for telescopic jacks : en
  • FR904276A - Process of using sodium carbonate, sodium bicarbonate and neutral salts in aqueous solution as a bath for precipitation and coagulation of viscose products : en fr
  • FR904285A - Process for the preparation of disulfimides and their salts : en fr
  • GB572955A - Improvements in portable radio equipment employing thermionic valves : en
  • CA430862A - Thread generating machine : en fr
  • ES11992U - Multi-use keychain (Machine-translation by Google Translate, not legally binding) : en es
  • GB572907A - Improvements in drying apparatus or dehydrating plant for the treatment of grass, peat, and other moist substances : en
  • GB573020A - Improvements in or relating to course and height indicators for aircraft : en
  • GB572890A - Improvements relating to filters : en
  • GB572995A - Treatment of paper or textile fabrics : en
  • DK64053C - Coupling with Electrical High Current Capacitors for Generating a Signal or a Trigger. : da en
  • US2387976A - Method of forming carboxylic substituted amines : en
  • GB573035A - Improvements in or relating to mechanical feeding device : en
  • ES171038A1 - A MACHINE FOR CUTTING CYLINDRICAL CARAMELS TO THE DESIRED MEASURES : en es
  • CH239587A - Pressing device for blocking and veneering pieces of wood. : de en
  • GB572938A - Improvements in and relating to insulated electrical connectors or terminals : en
  • FR904319A - Telecommunication cable comprising wires insulated by cord and air gap : en fr
  • GB573008A - Improvements in television : en
  • FR904277A - Emptying device, especially for tank wagons, and other similar applications : en fr
  • FR904321A - Heating process for electric annealing furnaces : en fr
  • IE16894L - Building constructions : en
  • US2387810A - Control apparatus : en
  • US2387928A - Hand tool : en
  • US2388112A - Method and apparatus for cooling hydraulic coupling brakes : en
  • GB573027A - Improvements in and relating to marine structures : en
  • GB572888A - Improvements in or relating to respirators : en
  • FR904290A - Oscillation generator with mechanical oscillating member determining the frequency value : en fr
  • GB573041A - Improvements in and relating to locked coil ropes : en
  • GB573039A - Improvements in or relating to hair curlers : en
  • FR904296A - Electric socket, removable, waterproof and with independent rotating clip : en fr
  • ES171182A1 - IMPROVEMENTS INTRODUCED IN LIGHTING LAMPS BY LIQUID FUEL : en es
  • AU2346045A - Improvements relating to electric fuse distribution boxes : en
  • AU2443145A - Improvements in or relating to sliding clasp fasteners : en
  • CH239498A - Excavator for the formation of trenches. : en fr
  • FR904194A - Process for manufacturing a working material starting from feutrable organic fibers, preferably wood fibers : en fr
  • US2387878A - Apparatus for determining hydrogen in steel : en
  • US2387927A - Method and apparatus for manufacturing pottery ware : en
  • USD142713S - Design for a combined bracelet and watch : en
  • US2387991A - Vise : en
  • IE18865L - Automatic telephone exchange systems. : en
  • CA430905A - Welding electrode moisture indicator : en fr
  • US2388048A - Recovery of hydrocarbons from high-pressure fluids : en
  • US2388214A - Machining steels : en
  • CA430907A - Radio receiver : en fr
  • CA430906A - Roofing roll fixture holder : en fr
  • AU120465B2 - Improvements in or relating to abrasive tools : en
  • CA430954A - Typewriter : en fr
  • FR904248A - Sound recording process, in particular on sound films : en fr
  • GB572894A - Improvements relating to railway track circuit apparatus : en
  • CA430926A - Skin processing method : en fr
  • US2387891A - Ignition controlling device for : en
  • US2388223A - Purification of sugar solutions and the like : en
  • ES171101A1 - PROCEDURE FOR THE PREPARATION OF NEW DERIVATIVES OF AZOIC DYES WITH CHARACTER OF ESTERS : en es
  • ES171188A1 - MECHANISM FOR THE POWERING OF THE SHUTTERS IN THE TELESCOPING : en es
  • GB572969A - Improvements relating to liquid delivery apparatus for spraying or irrigating parts of the body : en
  • GB573004A - Improvements in or relating to auxiliary seats for closets : en
  • GB572972A - Improvements in or relating to parachute packs and envelopes therefor : en
  • AU1156243A - Improvements in and relating to boring plants : en
  • US2387783A - Transmission line : en
  • FR904278A - Device for detecting the existence of electrical potentials : en fr
  • FR904342A - Light source combined with a filter that allows part of the radiation emanating from the light source to pass and returns the rest of this radiation : en fr
  • FR904243A - Bee feeding device : en fr
  • US2387795A - Aircraft control apparatus : en
  • GB572990A - Improved means for controlling oil cooling on the internal combustion engines of aircraft, land and marine vehicles : en
  • US2387735A - Method of forming carboxylic amino acids : en
  • FR904190A - Magnetic coupling : en fr
  • CH239668A - Sidecar for bicycle. : en fr
  • CH239571A - Clock. : en fr
  • CA430974A - Cutting and harvesting machine : en fr
  • CH239673A - Automatic adjuster of the transmission ratio between a brake cylinder and the brake shoes. : en fr
  • US2388196A - Tie clip : en
  • US2387944A - Dispenser for washing compounds : en
  • CA430910A - Fabric cleansing apparatus : en fr
  • US2387763A - Recovery of carbon bisulphide : en
  • US2387904A - Heat coil operated thermal switch : en
  • CA430957A - Fastener : en fr
  • CH239597A - Speed variator. : en fr
  • FR904158A - Metal plating process : en fr
  • US2388209A - Revolutions counter acturator : en
  • AU129660B2 - Process forthe production of new and useful porous articles consisting essentially of polymers of tetrafluoroethylene : en
  • ES171074A1 - A PHYSICAL-CHEMICAL PROCEDURE FOR THE HALOGENATION OF BENZENE, ITS HOMOLOGOUS AND VOLATILE ORGANIC SUBSTANCES IN GENERAL : en es
  • AU2427145A - Engine starter drive : en
  • SU65275A1 - Inductor for inductive heating products : en ru
  • US2388127A - Flattening appliance for disk records : en
  • ES12030U - Wrenches for nuts (Machine-translation by Google Translate, not legally binding) : en es
  • CA430918A - Flexible coupling : en fr
  • US2388177A - Feed-water connection to boiler drum : en
  • CH239611A - Two-stroke internal combustion engine. : en fr
  • BE459973A - Machine for preparing wall hanging and paneling papers for gluing : en fr
  • US2387956A - Tamperproof closure : en
  • US2388141A - Electrical logging apparatus : en
  • CH239557A - Firing pin holder on semi-automatic weapons. : de en
  • AU129108B2 - Laminated articles anda method of making same : en
  • CH239545A - Device for casting line material on the Ludlow line casting machine. : de en
  • AU873743A - Improvements in and relating to machines for slicing vegetables fruit andthe like : en
  • CH239701A - Process for the preparation of a sulfonamide. : de en
  • CH239521A - Support plate for mounting cakes or textile coils in a column with a view to their treatment with a pressurized liquid. : en fr
  • CA430953A - Electric signalling system : en fr
  • CH239621A - Transformer. : de en
  • US2388095A - Refining process : en
  • US2388173A - Generative grinding machine : en
  • CA430884A - Container closure : en fr
  • US2388057A - Lubricant : en
  • US2388206A - Release agent for film-casting and embossing operations : en
  • US2387787A - Valve seat grinding tool : en
  • AU120481B2 - Improved hotwater apparatus : en
  • US2387988A - Nitration products of monoazo dyestuffs : en
  • CA430955A - Recording apparatus : en fr
  • CH239689A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • CH239596A - Valve. : de en
  • US2388087A - Process of acid-treating a thermally cracked petroleum distillate : en
  • US2388008A - Production of hydrocarbons : en
  • US2388029A - Lighting fixture : en
  • USD142736S - Design for an earring : en
  • ES170566A1 - IMPROVEMENTS IN THE COVERING MECHANISMS FOR THE ACCOMMODATION THAT IS PRACTICEED IN THE CLAMPS OF THE FIREARMS, INTENDED TO CONTAIN ITS MECHANISMS EXTERNAL INDICATORS OF FOUND LOADS : en es
  • ES171137A1 - A SELF-REGULATING DRIVE OR DECOMPRESSOR FOR CONTINUOUS MARKING COMPRESSORS : en es
  • CA430899A - Electrical piezometer : en fr
  • CH239690A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • CH239648A - Crank inductor, in particular for telephone stations. : de en
  • FR904183A - Process for dyeing cellulosic fibers using sulfuric leucoesters of vat dyes : en fr
  • CH239549A - Holder for lead and colored leads. : de en
  • ES171042A1 - IMPROVEMENTS IMPLEMENTED IN THE MECHANISMS OF FORCE FOR RAILWAY WAGONS : en es
  • FR904341A - Waterproof seal comprising a stamped piece of synthetic rubber : en fr
  • AU1272444A - Hydraulic cement : en
  • AU129659B2 - Delay circuits : en
  • CH239649A - Device for controlling telephone calls. : de en
  • CA430890A - Compression airplane : en fr
  • US2387830A - Nonbenzenoid fused polycyclic compounds : en
  • US2387869A - Tension control mechanism : en
  • CH239504A - Device for noise suppression in the drainage of wash basins. : de en
  • CH239619A - Small refrigerator. : de en
  • GB572920A - Improvements relating to pipe lines for the conveyance of liquids : en
  • GB572895A - Improved production of cellulose pulp from wood, straw and other fibrous materials : en
  • GB572976A - Improvements relating to compressors for drawers of filing or other cabinets : en
  • CH239507A - Molten glass cutter. : en fr
  • CH239692A - Process for the production of cork boards from naturally light or expanded cork grist. : de en
  • GB572998A - Improvements in larvicidal preparations : en
  • USD142740S - Design fob welting : en
  • GB572941A - Improvements in or relating to circular knitting machines of the double axially opposed needle cylinder type : en
  • FR904186A - Fuel injection device for internal combustion engines : en fr
  • GB573024A - Manufacture of synthetic rubber-like materials : en
  • ES171098A1 - RADIO RECEPTION SYSTEM : en es
  • FR904166A - Process for the preparation of thiocarbamic acid esters : en fr
  • US2387797A - Reactance : en
  • ES11974U - Petaca or pocketbook. (Machine-translation by Google Translate, not legally binding) : en es
  • US2388187A - Method of manufacturing friction facing and like materials : en
  • US2387719A - Key-equipped telephone set : en
  • US2387848A - Azo dyestuff derivatives of 5-amino-1,3-benzodioxole : en
  • GB572981A - Improvements in or relating to seals or supports for conductors for use with high frequency currents : en
  • GB573012A - Improvements relating to flexible pipes : en
  • US2388073A - Fluid flow control : en
  • USD142722S - Design for an ash tray : en
  • US2387945A - Dispensing apparatus : en
  • US2388231A - Heat-treatment of hardenable metallic articles : en
  • USD142714S - Spoon or orther article op flatware : en
  • FR904338A - Electric resistance heater : en fr
  • FR904228A - single-fall skip extraction equipment with counterweight cage and mobile ballast : en fr
  • USD142707S - Single spindle automatic metal working machine : en
  • FR904268A - Molded products for cleansing the body : en fr
  • IE17511L - Door bar : en
  • DK64059C - Procedure for Dissolving or Softening Linear, High Polymer Compounds. : da en
  • US2387727A - Half cell with thermal barrier : en
  • US2388094A - Cartridge case : en
  • ES12014U - Single-hole bipolar electric plug, with concentric electrodes (Machine-translation by Google Translate, not legally binding) : en es
  • FR904260A - Method and apparatus for continuous crystallization with chemical reaction : en fr
  • GB573044A - Improvements in or relating to the production of aromatic derivatives of 1.1.1-trichloroethane : en
  • FR904167A - Device for making fusion seals in glass : en fr
  • FR904174A - Tanning process using chrome tanning products : en fr
  • US2388165A - Lawn mower : en
  • FR904230A - Filter candles for the separation of water from gases : en fr
  • FR904181A - Acetylene gas generator : en fr
  • FR904322A - Cleaning of motor lines : en fr
  • FR904282A - Measuring instrument for cutting tools : en fr
  • FR904168A - Lacquers : en fr
  • US2388199A - Mineral oil composition : en
  • ES12019U - Tool that facilitates the exact marking of the trapezoidal grooves and pins that are to be practiced on the pieces of wood to be assembled. (Machine-translation by Google Translate, not legally binding) : en es
  • GB572988A - Improvements in and relating to machines for generating conical or pyramidal points,forms or facets for diamonds or other stones and the like : en
  • GB572999A - Selenium paste and method of making and applying it for use in electric rectifiers : en
  • US2387984A - Screen printing : en
  • US2387752A - Fire detection system : en
  • US2387882A - Process and apparatus for roasting and reducing iron oxide and other oxide ores : en
  • ES171089A2 - ATTRACTION OR CENTERING MECHANISM FOR THE BOGIAS OF VEHiCLES TRAVELING ON RAILS : en es
  • USD142726S - Design for a jewelry pin or similar article : en
  • CH239533A - Process for the production of high-proof alcohol and device for carrying out the process. : de en
  • USD142729S - Jewelry pin or similar article : en
  • US2387983A - Manufacture of detachable drill bits : en
  • US2387896A - Electromechanical control system for vehicles : en
  • US2387965A - Art of beach protection : en
  • US2388097A - Rubber protector : en
  • CA430891A - Bisulphite derivative : en fr
  • CH239607A - Two-stroke internal combustion engine. : en fr
  • GB572818A - Therapeutic material and method of producing same : en
  • DK64051C - Process for the preparation of heterocyclically substituted mononuclear aromatic carboxylic acid amides. : da en
  • GB572964A - Improvements in or relating to steel alloys and die blocks made from said steel alloys : en
  • US2387851A - Goggles : en
  • US2387856A - Recovery of ilmenite by a two-stage flotation process : en
  • FR904232A - Bung closure : en fr
  • US2387745A - Mirror and reflector : en
  • ES169454A1 - A TELEPHONE APPLIANCE, WITH ELECTRICAL CONTROL UNIT : en es
  • FR904311A - Device for milling a sheet or a similar part according to a template fixed on this sheet or on this part : en fr
  • ES170209A1 - APPARATUS FOR THE EXECUTION OF FORCES : en es
  • US2387989A - Preparation of cyclic hydrocarbons : en
  • US2388045A - Fluid pressure control mechanism : en
  • US2388160A - Process of separating ethylene polymers : en
  • CA430871A - Machine speed control device : en fr
  • AU130805B2 - Capacitor : en
  • CA430947A - Mouldable material preparing method : en fr
  • CH239512A - Feather made of wood. : de en
  • CA430922A - Paper container : en fr
  • CH239497A - Window. : de en
  • US2387992A - Manufacture of butadiene : en
  • AU2442845A - t Improvements in and relating to bases for electric lamps andthe like : en
  • AU120482B2 - Hydraulic cement : en
  • BE460083A - Glue for invisible parts : en fr
  • AU129336B2 - Releasable coupling : en
  • CH239659A - Transport box for plants. : de en
  • CH239600A - Closing device built into the lubricant channel of a bearing. : de en
  • CH239658A - Closure for tubes and bottles. : de en
  • CA430920A - Cellulose sheet manufacture : en fr
  • ES171097A1 - IMPROVEMENTS IN ARCOS OF SELECTOR TERMINALS : en es
  • AU128882B2 - Improvements in or relating to the preparation of vinyldiacetonalk amine in labile form and to the production of eucatropine hydrochloride therefrom : en
  • FR904156A - Automatic closing device for doors, windows, vertical openings and similar applications : en fr
  • CA430961A - Vibrating piezoelectric relay : en fr
  • CH239578A - Wire dispenser. : de en
  • CA430940A - Electrical measuring device : en fr
  • AU2446445A - v Automatically controlled demnagnetising systems : en
  • CA430873A - Upholstery and mattress manufacture : en fr
  • US2388185A - Steering mechanism for vehicles : en
  • AU129607B2 - Improvements in or relating to supercharger control systems : en
  • CA430902A - Electric power conduit connector : en fr
  • GB573019A - Improved means for making explosive demolition charges and the like self-adherent : en
  • CH239650A - Antenna structure for short waves. : de en
  • ES170398A1 - NEW CLOSURE SYSTEM FOR WINDOWS, APPLICABLE TO GUILLOTINE BLINDS AND BLINDS : en es
  • CA430882A - Cable operating device : en fr
  • US2387978A - Closure for vessels : en
  • US2387973A - Internal-combustion engine : en
  • US2388067A - Dresser compensating mechanism for grinding machines : en
  • CH239612A - Crankshaft for twelve-cylinder two-stroke in-line engines. : de en
  • BE460174A - : en
  • CH239642A - Bidet bowl. : de en
  • CH239595A - Shutter. : en fr
  • ES12026U - New pin (Machine-translation by Google Translate, not legally binding) : en es
  • US2387740A - Duplicating machine : en
  • US2388169A - Elastomers from ethylene interpolymers : en
  • GB572982A - Improvements in the manufacture of hydrogen : en
  • USD142753S - Combined ash tray and holder for smoker s articles : en
  • US2387930A - Solid tire cushion wheel : en
  • US2388061A - Curtain suspending means : en
  • US2388174A - Squaring scale : en
  • IE18866L - Automatic telephone exchange systems. : en
  • FR904218A - nut for threaded rod actuator : en fr
  • FR904258A - Airship sledge : en fr
  • CH239579A - Workpiece clamping device for lathes. : de en
  • US2387796A - Thresher : en
  • GB572887A - Improvements in radiator tubes and radiators : en
  • FR904299A - Process for improving the light stability of articles made of cellulose or cellulose derivatives : en fr
  • CA430963A - Telephone system : en fr
  • US2387760A - Multiple recorder : en
  • US2387825A - Conoscope and method of using the same : en
  • GB573009A - Improvements in and relating to electrically heated hair waving or curling apparatus : en
  • FR904331A - Refreshing drink : en fr
  • CH239574A - Electric furnace for refining metals. : en fr
  • ES171148A3 - PROCEDURE FOR THE MANUFACTURE OF SEAMLESS INSULATING TUBES FOR THE PROTECTION OF ELECTRICAL CONDUCTORS : en es
  • GB572889A - Improvements in cooling radiator circuits for aircraft, military vehicles and other craft : en
  • BE459969A - : en
  • CA430889A - Back-flow prevention apparatus : en fr
  • US2387915A - Railroad torpedo setter : en
  • ES169453A1 - A MONTAGE TO CONNECT AND CAUSE PROCESSES BY TELEPHONE CALLS : en es
  • CH239644A - Process for the preparation of a new p-amino-benzenesulfonamide. : de en
  • CH239570A - Round shaped waterproof watch case. : en fr
  • GB572940A - Improvements in swivelling bladed adjustable pitch propellers : en
  • US2388092A - Smelter : en
  • CH239694A - Automatic firearm. : de en
  • US2388180A - Changeable price sign : en
  • US2388150A - Heel stripper : en
  • US2387754A - Material for the production of partial color selection pictures from subtractive multicolor images : en
  • USD142731S - Jewelry pin or similar article : en
  • US2387854A - Piston ring : en
  • US2387874A - Load bearing spring assembly for trucks or the like : en
  • US2387908A - Wabbler drive mechanism : en
  • GB572929A - Improvements in belted ammunition feed mechanism for automatic guns : en
  • AU129712B2 - Indicator : en
  • BE460282A - : fr
  • CH239665A - Device for fixing a bicycle pump to the frame thereof. : en fr
  • GB573022A - Improved method of reducing molybdenum trioxide to molybdenum : en
  • GB572973A - Improvements in or relating to pressing machines : en
  • AU1147543A - Improvements in clips for connecting parts of buildings andother structures : en
  • ES12010U - A new box destined to the packaging of salted fish (Machine-translation by Google Translate, not legally binding) : en es
  • ES170487A1 - IMPROVED IMPROVEMENTS IN THE PRODUCTION AND APPLICATION OF HEAT INSULATING AND CORROSION RESISTANT PRODUCTS : en es
  • FR904266A - Method and device for treating the surface of calendered artificial materials : en fr
  • GB572986A - Improvements in or relating to phenol-aldehyde resins : en
  • US2387966A - Gymnastic apparatus for mobilizing stiff joints : en
  • ES170905A1 - A CONTROL DRIVE DEVICE FOR POSTING THE LOCK FOR AUTOMATIC ARMS, WITH GAS TAKE : en es
  • AU128584B2 - Improvements in or relating to means for operating transmission mechanism : en
  • CH239613A - Two-stroke internal combustion engine. : de en
  • USD142732S - Design for a jewelry pin or similar article : en
  • FR904325A - Process for obtaining anti-rust coatings based on phosphates on iron, steel or zinc at temperatures below the boiling point and, preferably, at room temperature : en fr
  • GB572896A - Motor vehicle : en
  • GB572914A - Improvements in or relating to the production of synthetic resins : en
  • CH239528A - Heel for footwear. : de en
  • CH239630A - Low-liquid circuit breaker. : de en
  • AU128401B2 - Improvements relating to electric fuse distribution boxes : en
  • CH239606A - Condensation steam power plant with feed water preheating. : de en
  • USD142747S - Design for a doll or simdlar article : en
  • CH239639A - Electric discharge tube. : de en
  • CH239685A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • US2387780A - Forming of welts in straight knitting machines : en
  • US2387901A - Slip indicator : en
  • ES11781U - Tubular device for feeding fountain pens. (Machine-translation by Google Translate, not legally binding) : en es
  • FR904176A - Method for casting metal bars and device for its implementation : en fr
  • FR904264A - Cigarette paper : en fr
  • US2388090A - Electrode assembly : en
  • FR904246A - Step selector for tap transformers : en fr
  • ES11985U - Desktop folder (Machine-translation by Google Translate, not legally binding) : en es
  • US2387837A - Punch : en
  • US2388162A - Meat holder : en
  • US2387868A - Process for the isomerization of hydrocarbons : en
  • US2388001A - Signal-transmission system : en
  • CH239686A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • US2388101A - Process for the production of ketones : en
  • CH239508A - Process for melting glass and electric furnace for carrying out the process. : de en
  • AU2445945A - Improvements in or relating to means for operating transmission mechanism : en
  • US2387968A - Lubricating device for sewing machines : en
  • AU1107743A - Improvements in or relating to dispensing apparatus : en
  • CH239602A - Feeder to packing presses for fruit and other fruits. : de en
  • CH239702A - Process for the preparation of a sulfonamide. : de en
  • CA430901A - Storage battery plate composition : en fr
  • ES171123A1 - MANUAL LATHE TO THE FLIGHT TO SPREAD AND TORCER TEXTILE FIBERS : en es
  • ES171152A1 - DOSING SYSTEM FOR WATER OR OTHER LIQUID WATER TREATMENT SOLUTIONS : en es
  • USD142761S - Design fob a tractor cab : en
  • CA430941A - Direct reading phasemeter : en fr
  • CH239592A - Ball-bearing. : de en
  • CH239569A - Control unit for waterproof timepiece. : en fr
  • CH239633A - Device for bringing about a switching process in the case of high-current capacitors made up of partial capacitors in the event of a short circuit in a partial capacitor. : de en
  • US2388168A - Dispensing carton : en
  • CH239697A - Surge arresters. : de en
  • CA430936A - Mast base : en fr
  • GB572946A - Copolymers of asymmetrical dichloroethylene with polymerisable unsaturated ketones : en
  • CH239516A - Holding device on a ring spinning or ring twisting machine for ring rails that are exchangeably mounted on carriers. : de en
  • CH239647A - Teletype. : de en
  • CA430885A - Decorating method and means : en fr
  • US2388145A - Bobsled : en
  • CH239537A - Process for the production of vinyl esters. : de en
  • US2388107A - Production of photomechanical printing surfaces : en
  • USD142725S - Jewelry pin or similar article : en
  • CH239654A - Device for equalizing a speed, which consists of a series of vibration systems, each with an elastic and a damped member. : de en
  • AU2095145A - Holding means foran indicating device : en
  • ES170926A1 - IMPROVEMENTS INTRODUCED IN FUSE CARTRIDGES : en es
  • AU120476B2 - Improvements in or relating to dispensing apparatus : en
  • CA430950A - Centre stretched strip manufacture : en fr
  • AU2439845A - A process forthe vertical casting under centrifugal action of metal bodies : en
  • CH239559A - Distance meters, in particular altimeters. : de en
  • USD142748S - Design for a doll or similar article : en
  • CA430964A - Mercury contact relay : en fr
  • CH239568A - Projection apparatus, in particular for advertising purposes. : de en
  • US2387987A - Nitro sulphato azo dyes : en
  • US2388072A - Electric translating apparatus and control equipment therefor : en
  • CA430895A - Pedestal snubber : en fr
  • FR904343A - Process for reducing the solidification time of materials used in foundry for casting molds and cores : en fr
  • US2388088A - Gear shifting mechanism : en
  • USD142703S - Design for a valve : en
  • US2387838A - Binocular observation instrument : en
  • CA430976A - Sound recording process : en fr
  • US2387981A - Safety chuck key : en
  • US2388148A - Taste and odor removal from organic compounds : en
  • USD142715S - Design for a refrigerator cabinet : en
  • GB572926A - Improvements in or relating to automatic firearms : en
  • FR904274A - Process for the production of light bulbs, incandescent lamps and the like : en fr
  • GB572934A - Improvements relating to vehicle steering mechanisms : en
  • ES171079A3 - IMPROVEMENTS IN THE MANUFACTURE OF TURBINES FOR THE MANUFACTURE OF ARTIFICIAL SILK, FORMED BASED ON FIBROUS ELEMENTS IMPREGNATED WITH ARTIFICIAL RESINS HARDENED BY HEAT : en es
  • GB573018A - Improvements in and relating to chemical processes : en
  • GB572967A - Improvements in gear-wheel pumps : en
  • ES12018U - Cardboard box for packaging. (Machine-translation by Google Translate, not legally binding) : en es
  • GB572966A - Improvements in or relating to wheel mountings for motor bicycles and like vehicles : en
  • FR904294A - Method of damping the noise of pulsating gas streams : en fr
  • US2387929A - Gluing mechanism : en
  • US2387933A - Unsaturated esters and polymers thereof : en
  • CH239623A - Ceramic insulator and process for its manufacture. : de en
  • GB573000A - Improvements in belt and like conveyors : en
  • CH239594A - Belt drive with tension pulley. : de en
  • US2387886A - Forming glass sheets : en
  • GB572985A - Improvements in or relating to the treatment of plastic surfaces : en
  • AU1982145A - Improvements in or relating to electric wave filter systems : en
  • CA430951A - Olefine dimer production : en fr
  • US2387881A - Film exposing apparatus : en
  • DK64055C - Bell for the Treatment of Muscles and Other Deeper Tissues in the Human or Animal Body. : da en
  • US2387835A - Method of and apparatus for heattreating metal bodies : en
  • FR904257A - Method and device for coating threads of glass or the like for use in spinning : en fr
  • FR904286A - Closure for container containing culture broth or similar material : en fr
  • GB572978A - Improvements in and relating to copper base alloys : en
  • FR904159A - Device for the heat treatment of metal parts by induction : en fr
  • FR904203A - Improvements made to photo-restitution cameras : en fr
  • GB572910A - Improvements in or relating to the production of vinyl trimethylacetate and copolymers thereof : en
  • CH239678A - Reinforced concrete vase. : en fr
  • GB572922A - Improvements in and relating to cartridge belt feed mechanism of automatic guns : en
  • CH239677A - Airplane flight controller. : en fr
  • ES171102A1 - AN AUTOMATIC RECORDING DEVICE FOR TELEPHONE CONFERENCES FOR AUTOMATIC CONTROL UNITS : en es
  • GB572925A - Improvements in or relating to gas-operated automatic firearms : en
  • IE17860L - Aeriels : en
  • ES170867A1 - IMPROVEMENTS IMPROVED IN MULTIPLE MINING PENCIL PENCIL SYSTEMS : en es
  • FR904162A - Lactam purification process : en fr
  • GB572909A - Improvements in and relating to helicopters : en
  • GB573036A - Improvement in textile printing apparatus : en
  • ES12008U - Document filing model. (Machine-translation by Google Translate, not legally binding) : en es
  • US2388111A - Sanitary fluid dispensing device : en
  • AU120473B2 - Improvements in clips for connecting parts of buildings andother structures : en
  • CH239581A - Quick change steel holder. : de en
  • CH239622A - Procedure for starting short-circuit armature motors. : de en
  • GB573003A - High voltage transformers, particularly instrument transformers : en
  • US2387913A - Turbine locomotive : en
  • USD142757S - Design fob a place card holder : en
  • CH239546A - Device for erasing on the paper roll of typewriters. : de en
  • US2388055A - Petroleum conversion process : en
  • GB573032A - Improvements in and relating to cathode-ray deflecting means : en
  • US2388181A - Dowel pin assembly : en
  • BE460361A - : fr
  • US2388012A - Method of making match packets : en
  • FR904314A - Explosive projectile with an illuminating charge, comprising a metallic conductor for introducing the fulminate or primer into the illuminating charge : en fr
  • GB573016A - Improvements in or relating to the polymerisation of styrene or of its polymerisablederivatives : en
  • ES11997U - An indicator device for monthly leaf calendars (Machine-translation by Google Translate, not legally binding) : en es
  • US2387897A - Line detecting apparatus : en
  • US2388074A - Lubricants : en
  • FR904330A - Curing process for cold-hardening aldehyde and phenol resins : en fr
  • GB572951A - Improvements in card filing compartments : en
  • FR904185A - Margins process for printing machines and machines using sheet paper, or similar machines : en fr
  • DK64062C - Procedure and Apparatus for Adjusting Drilling Steel and Steel Holder for the same. : da en
  • US2387806A - Journal bearing : en
  • US2388083A - Lubricant : en
  • GB572917A - Improvements relating to the manufacture of easily combustible coke, with the production also of condensable and uncondensable hydrocarbons, by the carbonisation of bituminous coal : en
  • FR904265A - Electrical station with free levers with fleeting or non-fleeting control of the switch units : en fr
  • GB572970A - Improvements in or relating to the manufacture of heat exchange devices : en
  • ES11991U - New fitting for sneakers to inflate all cameras, perfected and technically modern, based on two or more different materials. (Machine-translation by Google Translate, not legally binding) : en es
  • US2388071A - Selective ringing telephone system : en
  • ES171136A1 - PROCEDURE FOR THE EXTRACTION OF COFFEE CAFFEINE : en es
  • FR904201A - Process for preserving, with or without the addition of carbonic acid, milk-based beverages and the like, intended to be withdrawn into discharge vessels : en fr
  • ES171124A1 - A PROCEDURE FOR MANUFACTURING BLOCKS OR FILLETS OF FISH : en es
  • ES171141A1 - A PRESS TO COVER ELECTRODE RODS : en es
  • GB572958A - Improvements in or relating to fluids for use in hydraulic mechanisms : en
  • US2388052A - Signaling : en
  • US2387764A - Combination bulldozer and shovel : en
  • FR904177A - Free telecommunications conductor, in particular for the transmission of messages by carrier frequency : en fr
  • FR904310A - Device for controlling periodic operations triggered automatically, in particular for machine tools : en fr
  • GB572996A - Improvements relating to the filtration of liquids : en
  • US2388017A - Process for the manufacture of paints : en
  • GB572904A - Improvements in or relating to wire hose clips : en
  • GB572984A - A method for the manufacture of moulded hollow glass articles : en
  • FR904238A - Process for obtaining assembled trays of porcelain, earthenware and the like : en fr
  • USD142743S - Design for a frame for an invalid wheel chair : en
  • ES11975U - Bag for lady, with own armor. (Machine-translation by Google Translate, not legally binding) : en es
  • CH239565A - Electric motor for record players. : en fr
  • US2387765A - Floating razor : en
  • US2388021A - Hinge construction : en
  • CH239522A - Device for steaming printed fabrics. : de en
  • AU2450945A - Improvements inholders for arc-welding electrodes : en
  • US2388085A - Supplementary fuel injection control structure : en
  • US2388086A - Glyoxal-ketone condensation products and process of making them : en
  • USD142760S - Design for a tobacco pipe : en
  • US2387779A - Carrier unit : en
  • US2387946A - Vapor-electric device : en
  • US2387980A - Electrical resistance alloys : en
  • US2388204A - Planetary transmission : en
  • US2387921A - Manufacture of ice : en
  • ES171142A1 - AN ELECTRICAL DEVICE FOR WELDING WITH CONTINUOUS CURRENT : en es
  • GB573013A - Improvements in or relating to emulsifying agents and emulsions containing the same : en
  • FR904184A - Electrical resistance : en fr
  • US2387761A - Fluid pressure device : en
  • AU2434245A - Improvements in and relating to rotary motors or pumps for fluids : en
  • US2387866A - Heavy media separation process : en
  • DK64056C - Device by Sauna Stoves. : da en
  • ES171105A1 - PROCEDURE FOR THE OBTAINING OF NEW POLYAMIDE SOLUTIONS : en es
  • AU2446245A - Improvements in or relating to control systems for superchargers : en
  • CA430894A - Aluminium base alloy : en fr
  • US2387863A - Tabulator : en
  • US2388028A - Air scoop for airplane engines : en
  • US2388158A - Production of unsatukated : en
  • ES12024U - Straight blades of saws. (Machine-translation by Google Translate, not legally binding) : en es
  • FR904239A - Process for the preparation of linear synthetic interpolyamides : en fr
  • US2387857A - Lamp, lamp shade, and lamp shade holder : en
  • US2387828A - Punching mechanism : en
  • US2387742A - Explosion rivet : en
  • US2387833A - Polymeric acetals and process of making same : en
  • FR904292A - Device allowing the use of damaged injection syringes : en fr
  • GB572924A - Improvements in or relating to automatic firearms : en
  • CA430930A - Sheet feeding device : en fr
  • CH239676A - Electrically operated oil pressure controls for electrically operated vehicles, in particular rail vehicles. : de en
  • US2387975A - Fruit and vegetable juicer : en
  • USD142759S - Design fob a round-the-neck mirror : en
  • US2387962A - Antifriction bearing : en
  • USD142749S - Design for a baby shoe : en
  • FR904305A - Filtration device : en fr
  • ES171161A3 - IMPROVEMENTS IN CONDUCTIVE PAPERS : en es
  • AU128017B2 - Improvements relating tothe production of phenalic ethers of polyhydric alcohols : en
  • US2387995A - Heating element and method of production : en
  • US2387943A - Magnetic core structure : en
  • US2388015A - Vehicle loader : en
  • USD142746S - Design for a beverage bottle : en
  • FR904250A - Connection base : en fr
  • CH239539A - Process for the production of colored lakes. : de en
  • CH239502A - Component and method of manufacturing the same. : de en
  • US2388200A - Frequency modulation system : en
  • AU1193843A - Transformer with adjustable reactance for electric arc welding : en
  • CA430896A - Rotor brake : en fr
  • US2388121A - Tension control device : en
  • US2387924A - Fountain-type comb : en
  • CA430909A - Refrigeration apparatus : en fr
  • CH239628A - High voltage switch. : de en
  • AU2338245A - Improvements in or relating to testing and adjustment of radio receivers : en
  • ES171062A1 - A FRICTION DEVICE THAT DEVELOPS TWIST MOMENTS : en es
  • ES171185A1 - SOUND REGISTRATION SYSTEM ON MOVIE : en es
  • FR904192A - Self-feeding motor : en fr
  • FR904329A - Manufacturing process of chitosan type products : en fr
  • GB573006A - A process for ground fixation and an asphalt emulsion for use therein : en
  • CH239551A - Protective edge for skis with device for attachment to the ski. : de en
  • FR904196A - Trim for closure : en fr
  • FR904220A - Process for applying a layer of glue or gum to a paper surface : en fr
  • AU1112843A - Improvements in or relating to automatic telecommunication exchange systems : en
  • CH239626A - Contact for electrical high-voltage switches. : de en
  • CA430877A - Drill core retrieving means : en fr
  • FR904295A - Method and device for operating marine internal combustion machines : en fr
  • GB572980A - Improvements in and relating to apparatus for hand printing operations : en
  • US2388043A - Selecting control device : en
  • USD142735S - Design for a jewelry pin or similar article : en
  • US2387867A - Tape measuring and marking machine : en
  • CA430943A - Bathtub : en fr
  • CH239543A - Flat view card index. : de en
  • CA430952A - Olefine paraffin production : en fr
  • FR904279A - Pull hook that can be used either as a fixed hook or as a hook triggering under a limited adjustable effort, with reversible passage from one to the other position controlled remotely : en fr
  • CH239536A - Arrangement to improve the power distribution in electrolyzer systems. : de en
  • CH239523A - Washing machine with spring-loaded washing bell. : de en
  • CH239682A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • US2387958A - Stop motion device for sewing machines : en
  • US2387788A - Trigger : en
  • US2388031A - Optical system : en
  • FR904302A - Manufacturing process, starting from viscose, of artificial threads, fibers, etc., endowed with good qualities of use : en fr
  • USD142702S - cohen : en
  • USD142711S - Design for a comb or the like : en
  • FR904261A - Method of producing advertising signs : en fr
  • FR904350A - Radio-electric overrun warning : en fr
  • US2387971A - Cylinder liner and cylinder : en
  • FR904179A - Mobile support plate : en fr
  • GB572893A - Improvements in and relating to rifling gun barrels : en
  • FR904323A - Manufacturing process of thermoplastic spinning dies : en fr
  • GB573021A - Improvements in and relating to methods of and apparatus for treating articles underpressure with high frequency electric heating : en
  • CA430975A - Sound recording process : en fr
  • CA430915A - Eye-protecting glass : en fr
  • USD142752S - Design for a produce display stand : en
  • US2387805A - Visual fluid flow indicator : en
  • AU2452145A - Improvements in or relating to honing orthe like machines : en
  • CH239588A - An electric motor and a processing unit on machine tools that can be driven by the same tool. : de en
  • CH239675A - Rail or road vehicle with trailer for the optional operation of the former with or without a trailer. : de en
  • CA430972A - Work holder : en fr
  • USD142717S - Relief valve for pressure cookers or the like : en
  • AU123000B2 - Improvements relating to lead-acid type electric accumulators : en
  • US2387738A - Collapsible tube : en
  • US2388213A - Airscoop for internal-combustion engines : en
  • CH239652A - Arrangement for the isolation of antenna guy ropes. : de en
  • US2387993A - Refining aromatic oils : en
  • US2388038A - Vehicle steering mechanism : en
  • AU1263444A - Selenium element and method of making it : en
  • BE460297A - : en
  • US2387800A - Actuator : en
  • CH239535A - Transportable tank for liquefied gases. : de en
  • US2388201A - Clamp : en
  • US2387798A - Continuous catalytic conversion of hydrocarbons : en
  • US2388103A - Sterilization of evaporated milk in glass containers : en
  • CH239657A - Container with lid and with means for opening the same. : de en
  • US2388218A - Manufacture of nitriles : en
  • USD142698S - Condiment shaker or similar article : en
  • USD142720S - Reversible picture frame or the like : en
  • US2387948A - Alkylation of aromatic hydrocarbons : en
  • USD142733S - Jewelry pin or similar article : en
  • US2387883A - Heating apparatus : en
  • USD142738S - Parkin etal motor vehicle : en
  • US2387942A - Tractor-trailer braking system : en
  • US2387781A - Stoker : en
  • AU128451B2 - Improvements in or relating tothe production of photographic emulsions : en
  • CA430880A - Oil and gas supply regulator : en fr
  • US2387782A - Rotary mold filling machine : en
  • US2387784A - Polymerization process for normal olefins : en
  • US2388219A - Limit control : en
  • CH239625A - Time switch. : de en
  • GB572948A - Improvements in or relating to the separation of organic compounds : en
  • US2387769A - Circular knitting machine and method of operating same : en
  • CH239670A - Method and device for controlling the drive motors of diesel-electric vehicles with power control. : de en
  • US2388152A - Material working apparatus : en
  • US2387936A - Method of regenerating spent adsorbents : en
  • US2387954A - Paper feeding apparatus : en
  • US2388009A - Solution mining of trona : en
  • US2388115A - Die : en
  • FR904267A - Electric machine for the production of adjustable welding currents : en fr
  • FR904303A - Ice production process and direct evaporative ice maker : en fr
  • US2387773A - Hot-melt coating composition : en
  • GB573023A - Improvements in and relating to extrusion machines such as are used for filling bombs and for similar purposes : en
  • SU65416A1 - Thermocouple : en ru
  • US2388051A - Mount for eyepieces : en
  • CH239547A - Device for controlling a shutter for cinematographic shots. : en fr
  • CH239608A - Two-stroke internal combustion engine. : en fr
  • US2388163A - Storage container for fluids : en
  • US2388084A - Pyrolysis of pinane : en
  • US2388096A - Swab construction : en
  • US2387963A - Fire extinguishing method and apparatus : en
  • AU129338B2 - Improvements in or relating to honing orthe like machines : en
  • ES11982U - A leveling device adaptable to the legs of tables and furniture more than three legs (Machine-translation by Google Translate, not legally binding) : en es
  • US2387722A - Method of making vaned elements : en
  • US2388063A - Cash register : en
  • FR904316A - Method and device for scrambling spoken messages : en fr
  • US2387750A - Printing press : en
  • US2388044A - Storm window : en
  • US2387951A - Hanger : en
  • ES171086A1 - IMPROVEMENTS IN THE ATIRANTADO SYSTEM OF THE INTERIOR AND EXTERIOR PLATES OF THE LOCOMOTIVE HOMES : en es
  • AU137604B2 - Improvements in or relating to electric wave filter systems : en
  • CH239506A - Door lock. : de en
  • US2387826A - Railway switch operating mechanism : en
  • US2387974A - Sound distributor : en
  • US2387789A - Ophthalmic mounting, more particularly lens for mountings, and method of making the same : en
  • US2388030A - Wool carding machine : en
  • AU1128743A - Improvements in tracking arrangements for electrical circuits of variable resonance : en
  • AU1085543A - Improvements in electrolytic processes and electrodes and apparatus employed therefor : en
  • GB572911A - Improvements in electric reflector fires : en
  • US2387708A - Spill for aircraft : en
  • CH239538A - Process for the production of vinyl compounds. : de en
  • USD142691S - Design for a tire : en
  • CH239666A - Child saddle applicable to a women's bicycle. : en it
  • US2387846A - Lamp changer : en
  • US2387985A - Stack pusher : en
  • CH239572A - Process for the production of objects consisting at least partially of iron. : de en
  • CA430888A - Vamp pad : en fr
  • FR904298A - Relay control with increased cut-off safety for machine controls : en fr
  • CH239561A - Registration device for maximum counter. : de en
  • GB572979A - Safety apparatus for automatically stopping electrically propelled vehicles : en
  • GB572943A - Improvements in or relating to gauges for rivets and screws : en
  • US2388188A - Sliding safety lock lever : en
  • ES12003U - Tennis racquets. (Machine-translation by Google Translate, not legally binding) : en es
  • CH239505A - Device for connecting an item of clothing to a coat hook. : de en
  • AU1020643A - Improvements relating tothe bending of metal pipes : en
  • CA430887A - Air filter : en fr
  • US2388182A - Garage door : en
  • CA430948A - Lipstick holder : en fr
  • CH239662A - Stroller convertible into a pushchair. : de en
  • US2387712A - Transmission system : en
  • US2388109A - Glider : en
  • US2387713A - Actuator : en
  • CH239548A - Method for automatically producing, from an original document, the reproduction of lines, halftones or polychromes, and apparatus for implementing this method. : en fr
  • CH239651A - Device for high-frequency vibrations with two discharge tubes, the shells of which are made of insulating material. : de en
  • FR904345A - Condensation products and process for preparing these products : en fr
  • USD142690S - Brooch pin or similar article : en
  • US2387746A - Process for producing sodium and potassium phosphates : en
  • AU1019243A - Improvements in or relating to abrasive tools : en
  • GB572937A - Improvements in or relating to underfeed stokers : en
  • FR904346A - Method for adjusting the culture density in the production of industrially usable microorganisms : en fr
  • AU2432245A - Improvements in electric dry batteries ofthe layer type : en
  • ES170611A1 - IMPROVEMENTS IN THE SWIMMING POOL PLOWS : en es
  • GB573005A - Improvements in locking devices for pivotal members : en
  • US2387852A - Precision measuring apparatus : en
  • ES11984U - Portable lighting lamp. (Machine-translation by Google Translate, not legally binding) : en es
  • ES171064A2 - A MASS PREPARATION PROCEDURE FOR PURIFICATION OF LIQUIDS BY ION SWAP : en es
  • FR904198A - Electrode holder with interchangeable electrode for electric spot welding machines : en fr
  • US2388186A - Rotary shear pin drive : en
  • CA430959A - Submerged booster pump : en fr
  • ES170479A1 - A PROVISION FOR THE REGISTRATION OF ELECTRICAL SIGNALS BY ELECTROCHEMICAL MEANS : en es
  • GB572968A - Improved mechanism for producing or controlling the longitudinal movement of electric cables during manufacture and installation and for other analogous purposes : en
  • US2387964A - Rotary engine : en
  • GB572957A - Improvements in steam turbines : en
  • IE17063L - Toilet paper carton and holder : en
  • CH239584A - Process for joining components by soldering. : de en
  • CH239567A - Hearing aid. : en it
  • FR904170A - Method of manufacturing spring rings intended to be inserted into press stud elements : en fr
  • ES12006U - Electric light supplementary apparatus combined with photo frames and similar uses (Machine-translation by Google Translate, not legally binding) : en es
  • FR904312A - Process for obtaining antibacterial substances from molds : en fr
  • GB573007A - Improvements in the operation of photographic camera shutters : en
  • ES12000U - Box-container, folding (Machine-translation by Google Translate, not legally binding) : en es
  • FR904214A - Process for the manufacture of earthenware covers (glazes) without boron or lead : en fr
  • ES12012U - Clamp for wristwatches. (Machine-translation by Google Translate, not legally binding) : en es
  • ES171163A1 - IMPROVEMENTS IN AUTOMATED ALARM SIGNALING SYSTEMS : en es
  • FR904163A - Solvents for high molecular weight compounds and their preparation process : en fr
  • FR904262A - Device for introducing chemicals into the water of a boiler or into the water supplied to it : en fr
  • US2388194A - Process for refining and purification of sugar juices : en
  • US2387847A - Score indicator : en
  • US2388082A - Paint remover : en
  • US2388005A - Article handling apparatus : en
  • ES11998U - A new envelope (Machine-translation by Google Translate, not legally binding) : en es
  • GB572971A - Improvements in or relating to direct current motor control systems : en
  • LU27745A1 - : en
  • US2388217A - Separation of trimethyl amine and ammonia from amination reaction mixtures : en
  • US2387860A - Refrigerating apparatus : en
  • US2388170A - Stereoscopic television apparatus : en
  • US2388171A - Floating breakwater for seaplanes, flying boats, and for other uses : en
  • US2387721A - Swing bracket : en
  • US2387748A - Garden tool : en
  • US2388146A - Holdup for lug straps : en
  • AU128583B2 - Improvements in or relating to sliding clasp fasteners : en
  • US2388232A - Stemming device for explosive charges : en
  • ES171034A1 - A PROCEDURE FOR THE HALOGENATION OF THE LATERAL CHAINS OF THE HOMOLOGOUS OF BENZENE : en es
  • GB573014A - Manufacture of new carboxylic acid esters of aromatic sulpho-dicarboxylic acids : en
  • US2387774A - Hot melt coating composition : en
  • US2388004A - Lifting jack : en
  • US2388124A - Burner control : en
  • US2388224A - Purification of sugar solutions : en
  • US2387732A - Vehicle spring suspension : en
  • US2388013A - Airplane towing mechanism : en
  • US2387832A - Reproduction of sound : en
  • CA430865A - Dual wheel assembly : en fr
  • GB572936A - Improvements in or relating to hydraulic rams : en
  • FR904172A - Improvements to electrodynamic players for recorders and sound reproducers : en fr
  • GB573034A - Improvements relating to sliding doors and panels : en
  • CH239560A - Guide device for the indenter of a hardness tester. : de en
  • FR904210A - Automatic siphon for intermittent flushing or similar : en fr
  • FR904253A - Body or mixture of surfactants and process for their preparation : en fr
  • US2388153A - Cleaning and lubricating emulsion : en
  • USD142705S - Cigarette case or similar article : en
  • CA430924A - Gelatin preparation : en fr
  • AU120480B2 - Transformer with adjustable reactance for electric arc welding : en
  • GB572961A - Improvements relating to the production of zinc : en
  • GB573028A - Improvements in or relating to temperature control systems : en
  • US2387820A - Machine tool : en
  • US2388138A - Process for the preparation of ethylene polymers : en
  • US2387873A - Secondary diamines : en
  • US2387932A - Composition of matter : en
  • US2388123A - Carbon brake body and metal holder unit : en
  • US2388164A - Esters : en
  • ES171075A1 - A MANUFACTURING PROCEDURE FOR A PROTECTIVE COVER FOR CAR RIMS, BIKES AND ALL KINDS OF VEHICLES : en es
  • US2387910A - Power transmission device : en
  • FR904242A - Process for activating water softening by adding alkaline carbonates : en fr
  • ES171154A1 - A TOY MACHINE TO WRITE : en es
  • FR904320A - Insulating tapes with color printing for telecommunication cable wires : en fr
  • ES11994U - Revolving articulation, perfected, in the lever or kinematic transmission part of the winnowing machines. (Machine-translation by Google Translate, not legally binding) : en es
  • ES171008A1 - IMPROVEMENTS IN THE TILES FOR METAL TISSUES : en es
  • FR904234A - Zinc carbonate manufacturing process : en fr
  • GB572974A - Improvements relating to the uniting of textile fabrics : en
  • CH239671A - Rail vehicle designed for the transport of bulk goods. : de en
  • US2388156A - Process for segregation of anhydrcus acid : en
  • ES170290A1 - AN ADVERTISING PROJECTOR APPARATUS, WITH NO ENDING TEXT : en es
  • GB572916A - Securing projections to a rotor : en
  • FR904255A - Process for the production of printing plates : en fr
  • CA430945A - Recorded communication reproducing device : en fr
  • FR904219A - Twin valves for adsorption devices : en fr
  • GB572935A - Filleting machine : en
  • FR904300A - Artillery piece with cross-shaped carriage : en fr
  • USD142758S - Design for a chair or similar article : en
  • CH239589A - Ejector machine. : de en
  • ES171153A1 - AN IMPROVEMENT IN THE USEFUL FOR THE TIGHTENING AND RELEASED MECHANICAL OF NUTS AND SCREWS AND ESPECIALLY OF THE STRICT WAY STRIPS : en es
  • FR904204A - Process for obtaining aluminum sulphate with a low iron content : en fr
  • GB572897A - Improvements in or relating to the treatment by distillation of complex mixtures : en
  • GB572977A - Improvements in or relating to electrically energised luminous gas devices : en
  • DK64060C - Double-acting piston machine. : da en
  • GB572987A - A new or improved adhesive composition : en
  • US2387757A - Container and iron : en
  • US2388081A - Catalytic isomerization of hydrocarbons : en
  • USD142716S - Design for a pressure cooker : en
  • ES171126A1 - IMPROVEMENTS IN ELECTROIMANES OF TYPE TEMPLADOR : en es
  • GB572963A - Conversion of vinyl type halides to aldehydes or ketones : en
  • CH239526A - Footwear. : en it
  • US2388024A - Thedj salts : en
  • US2388230A - Snubber : en
  • US2387731A - Manufacture of diolefins : en
  • US2387755A - Hydrogen-modified polymers of ethylene : en
  • CH239541A - Process for the manufacture of products from paper and paper product manufactured by the process. : de en
  • FR904332A - Flat seal, heat resistant : en fr
  • GB572891A - Process for the production of polymerised nitroethylene : en
  • ES11976U - Pre-heating torch with liquid fuel for aluminum-thermal welding. (Machine-translation by Google Translate, not legally binding) : en es
  • FR904328A - Cellulose animalization process : en fr
  • US2387905A - Welding electrode : en
  • US2387770A - Spray deflector for shot holes : en
  • US2388025A - alpha-chloroethyl sulphides and process of preparing the same : en
  • FR904165A - Air cooling of internal combustion engines composed of two groups of cylinders placed in parallel planes : en fr
  • US2387734A - Heating apparatus : en
  • US2387939A - Floor furnace : en
  • US2387994A - Isomerization of 1-olefins to 2-olefins : en
  • USD142730S - Jewelry pin or similar article : en
  • US2388042A - Method of sealing storage batteries : en
  • US2388091A - Springless counter scale : en
  • ES12016U - New toy model (Machine-translation by Google Translate, not legally binding) : en es
  • GB572908A - Knitted fabric and machines for producing same : en
  • US2387808A - Calendar edging and calendar and method and machine for assembling same : en
  • US2387893A - Machine for cleaning hair and scalp : en
  • US2388022A - Hollow tap : en
  • US2388108A - Method of manufacturing rolling cutters for drilling purposes : en
  • AU120472B2 - Improvements in and relating to machines for slicing vegetables fruit andthe like : en
  • CH239520A - Mechanical process for preparing textile fibers for subsequent mercerization and a device for carrying out this process. : de en
  • USD142755S - Design fob a toilet seat : en
  • FR904224A - Process for the defusing of delayed projectiles : en fr
  • US2388116A - Signal translating device : en
  • CH239510A - Process for tempering surfaces by vapor deposition of solid materials. : de en
  • AU128920B2 - tor Improvements in or relating to method of and apparatus for treating filamentary material : en
  • USD142756S - Design for a hand mirror : en
  • CA430970A - Tire curing apparatus : en fr
  • US2387804A - Reflective panel : en
  • CH239656A - Device for storing identity cards. : de en
  • US2387751A - N-aryltetrahydroquinolines : en
  • US2387859A - Race track : en
  • US2388135A - Recovery of hydrogen fluoride : en
  • CH239674A - Electric snow removal rail vehicle. : de en
  • AU2430545A - Capacitor : en
  • AU2430945A - Control systems and apparatus for aircraft engines : en
  • US2388126A - Apparatus for coating record blanks : en
  • US2387790A - Multicompartment carton : en
  • US2387840A - Refrigerating apparatus : en
  • US2387892A - Coil support and armature guide : en
  • AU120471B2 - Improvements in and connected with slidable windows and doors : en
  • GB572931A - Improvements in or relating to the preparation of nitro-guanidine : en
  • USD142727S - Design for a jewelry pin or similar article : en
  • US2387812A - System of producing evacuated packages : en
  • CH239492A - Animal trap. : de en
  • ES11894U - A hole seal for the repair of domestic containers and other uses (Machine-translation by Google Translate, not legally binding) : en es
  • ES171129A1 - IMPROVEMENTS INTRODUCED IN ELECTROMAGNETIC INDUCTION CLUTCHES : en es
  • FR904244A - Device for supplying cooling air to combustion engines : en fr
  • AU131200B2 - Improvements in or relating to control systems for superchargers : en
  • CH239496A - Cell building element. : en fr
  • CH239601A - Tilt-proof jib crane. : de en
  • CH239534A - Method for freezing food, in particular meat, and device for carrying out the method. : de en
  • US2388140A - Composite yarn and fabric : en
  • US2387972A - Cylinder head of internal-combustion engines : en
  • ES12017U - A new frame for glasses (Machine-translation by Google Translate, not legally binding) : en es
  • AU128566B2 - Copolymerization products of vinyl compounds and esters : en
  • CH239576A - Electrical direct current welding device. : de en fr
  • CH239698A - Process for the preparation of a salt of a derivative of p-amino-benzenesulfonamide. : de en
  • US2387724A - Portable steaming apparatus : en
  • US2388207A - Wringer : en
  • CA430863A - Clothes hanger : en fr
  • CH239638A - Multi-stage electron microscope. : de en
  • US2387876A - Cutting device : en
  • USD142699S - Design for a desk : en
  • US2387986A - Insignia positioning device : en
  • USD142701S - Design for a lighter : en
  • FR904287A - Stretch paper based item : en fr
  • CH239699A - Process for the preparation of a salt of a sulfonamide. : de en
  • AU134442B2 - Improvements in or relating to testing and adjustment of radio receivers : en
  • AU2430745A - Induction system : en
  • US2387870A - Actuating mechanism for registers : en
  • US2388070A - Electromagnetic apparatus : en
  • US2388208A - Control vanes for fans : en
  • USD142739S - Design for welting : en
  • CA430973A - Brake operating mechanism : en fr
  • US2388069A - Electroperforation of sheet material : en
  • US2388215A - Machining steels : en
  • US2388222A - Purification of sugar solutions : en
  • CH239500A - Heat pump with multi-stage condensation. : de en
  • CH239604A - Method for reducing the highest pressure surge in the supply line of a water turbine in the event of load shutdowns, and device for carrying out this method. : de en
  • US2387967A - Tabbing cement : en
  • US2388151A - Frictional mechanism : en
  • US2388093A - Liquid delivery apparatus : en
  • US2387885A - Armature construction for dynamoelectric machines : en
  • GB572933A - Improvements in and relating to means for use in drying and curing plastics and the like : en
  • AU2363145A - Indicator : en
  • US2387935A - Fire extinguishing method and apparatus : en
  • US2387937A - Rollers of drafting mechanism for textile fibers : en
  • US2388100A - Production of terpenes : en
  • ES11993U - Power or nut applicable to the manufacture of handlebars for bicycles and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • GB572942A - Improvements in or relating to the connection of clutches to speed gears : en
  • US2387819A - Sandal : en
  • CA430937A - Wall construction : en fr
  • FR904271A - Control device, in particular for rudders on board ships : en fr
  • US2387911A - Automatic control for internal combustion engines : en
  • US2387982A - Container holder : en
  • US2388193A - Printing element attaching device : en
  • GB572915A - Improvements in production of glycols : en
  • CA430966A - Acoustic measuring method and apparatus : en fr
  • CA430861A - Thread generating machine : en fr
  • CA430969A - Piston ring : en fr
  • FR904334A - Process for the electrical purification of dust-containing gases using wet electro-filters comprising plate, tube or wire electrodes : en fr
  • CH239501A - Heat pump system with at least two heat pump systems operated with different heat media. : de en
  • AU1171343A - Improvements in and connected with slidable windows and doors : en
  • CA430921A - Crusher : en fr
  • CA430925A - Skin processing method : en fr
  • US2387871A - Automatic coffee brewer or maker : en
  • US2388128A - Alloy steel : en
  • USD142712S - Design for a kettle : en
  • GB573042A - Improvements in washing machines : en
  • ES171125A1 - A BENDING DEVICE OF THE TELEGRAPH TRANSMISSION LINES BY CARRIER FREQUENCY : en es
  • AU131198B2 - Improvements in and relating to rotary motors or pumps for fluids : en
  • ES169821A1 - AN APPARATUS THAT ALLOWS TO PERFORM THE CLASSIFICATION BY ORDER OF DENSITIES AND THE SEPARATION OF SOLID BODIES TRANSPORTED BY A FLUID CURRENT : en es
  • GB572892A - Improvements relating to electric storage battery cases : en
  • GB572921A - Improvements relating to automatic guns : en
  • US2387952A - Electronic timing system for sorting apparatus : en
  • USD142737S - Design for a humidifier : en
  • CH239591A - Locking device. : en fr
  • FR904223A - Radio-hydrometric indicator for the direct measurement of the quantities of water contained in certain bodies : en fr
  • FR904347A - Method and apparatus for starting a motor driven loom : en fr
  • US2388172A - Grinder : en
  • FR904206A - Method for obtaining the adhesion of layers of water-soluble film former to layers of vinyl chloride polymers : en fr
  • FR904315A - Electric time relay : en fr
  • CA430876A - Baby bottle holder : en fr
  • CH239680A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • ES166823A1 - IMPROVEMENTS IN PROVISIONS FOR REMOTE CONTROL OF TELEPHONOGRAPHERS : en es
  • ES170959A1 - A FLAMMABLE LANDING TRAIN FOR AIRCRAFT : en es
  • ES11996U - Travel liquor (Machine-translation by Google Translate, not legally binding) : en es
  • ES171162A3 - IMPROVEMENTS IN FACSIMILE RECORDING SHEETS : en es
  • US2388066A - Dresser compensating mechanism for grinding machines : en
  • CA430932A - Textile packaging method : en fr
  • US2387836A - 4-methyl-alpha-methyl styrene from bicyclic terpenes : en
  • CH239553A - Table game. : de en
  • FR904280A - Process for manufacturing fibers with high resistance to use : en fr
  • GB572962A - Paper products and methods of making the same : en
  • US2388039A - Scissors and shears sharpener : en
  • US2387996A - Hay fork : en
  • FR904207A - Process for preparing products containing chitosan ethers : en fr
  • AU2446345A - Improvements in or relating to supercharger control systems : en
  • DK64054C - Apparatus for cooling and electric purification of gases from power gas generators on motor vehicles and motor vessels. : da en
  • ES171100A1 - PROCEDURE FOR OBTAINING SOLID COLORATIONS : en es
  • ES171127A1 - A METER DEVICE FOR ELECTRICAL APPLIANCES : en es
  • US2387791A - Cellulose acetate yarn and process : en
  • US2388007A - Alkylation of benzene : en
  • FR904208A - Device for spectral modification of printing light, in printing or enlarging color negatives : en fr
  • GB572898A - Improvements in and relating to the production of amines : en
  • US2388047A - Lubricating oil : en
  • AU129335B2 - v Automatically controlled demnagnetising systems : en
  • FR904269A - Anti-rust paint : en fr
  • GB572901A - Improvements in control systems for travelling machines : en
  • GB572991A - Improvements in or relating to cartridge extractors for firearms : en
  • GB572886A - Improvements in gas producers : en
  • US2387710A - Inner sole : en
  • FR904209A - Connection of two crankshafts of internal combustion engines : en fr
  • AU149714B2 - Manufacture of insecticidal preparations : en
  • CH239550A - Device for sound amplification on a stringed instrument. : de en
  • ES170950A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF FOLDING CARS : en es
  • FR904249A - Valve drive for multi-cylinder engines with two crankshafts : en fr
  • FR904259A - Electric discharge tube comprising an electrode system which contains one or more ceramic and plate-shaped elements : en fr
  • GB572912A - Improvements in indicating systems for electrical signals : en
  • ES11981U - A pedagogical game (Machine-translation by Google Translate, not legally binding) : en es
  • AU1243743A - Improved hotwater apparatus : en
  • CH239575A - Soldering machine. : de en
  • US2387865A - Fire-retarding coating : en
  • CH239529A - Device for pressing on a shoe sole and for rolling it in together with an edging in the manufacture of rubber shoes or shoes with rubber soles. : de en
  • US2387875A - Navigation trainer : en
  • AU120478B2 - Frequency multipliers : en
  • AU129714B2 - Improvements in or relating to flame resistant regenerated cellulose sheets or films and to flame resisting treatment of regenerated cellulose sheets or films : en
  • CH239503A - Hydraulic plant. : en fr
  • US2387753A - Portable flashlight : en
  • US2388026A - Dispensing faucet : en
  • CH239641A - DC timing relay. : de en
  • US2388227A - Luggage lock : en
  • CA430931A - Fine cellulose flour preparation : en fr
  • US2387953A - Traffic signal : en
  • US2388032A - Optical system : en
  • US2387815A - Core for tubular castings : en
  • US2388035A - Polyamides : en
  • AU1221643A - Improvements in or relating tothe application of adhesive or other coating material to shoe parts or machines adapted for use for such application : en
  • CA430878A - Release hook for aircraft : en fr
  • BE458664A - : fr
  • FR904349A - Composition and methods of preparing cleaning products for household laundry, soaps and the like, for laundry, bodywork or other applications : en fr
  • CH239636A - A method of manufacturing an electric discharge tube and an electric discharge tube made by this method. : de en
  • FR904317A - Worm die : en fr
  • US2387834A - Rubber accelerator : en
  • AU129830B2 - Improvements in crankshafts : en
  • AU2473345A - Process forthe production of new and useful porous articles consisting essentially of polymers of tetrafluoroethylene : en
  • FR904326A - Welding method and device, in particular for parts made of steel or the like : en fr
  • US2387887A - X-ray dosage indicator : en
  • FR904309A - Roller conveyor train : en fr
  • FR904197A - Bung socket for metal containers : en fr
  • CH239618A - Horizontal water tube steam boiler. : de en
  • US2388183A - Machine for producing circular saws : en
  • US2387899A - Ice-making machine : en
  • US2388139A - Metalized paper electrical condenser : en
  • IE17049L - Optical projector : en
  • US2388147A - Header construction for harvesting machines : en
  • FR904251A - Electromagnetic relay control : en fr
  • USD142697S - Condiment shaker or similar article : en
  • ES170160A1 - PROCEDURE FOR CONSTRUCTION OF TILES INTENDED TO COVER FLOORS AND TERRACES : en es
  • AU135540B2 - Control systems and apparatus for aircraft engines : en
  • CH239629A - Pressurized gas switch with a pressurized gas operated and blown power interruption point. : de en
  • ES171065A3 - PROCEDURE FOR OBTAINING INSECTICIDE PAINTS : en es
  • GB572992A - Improvements in or relating to steering mechanism for vehicles : en
  • CH239684A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • ES171050A1 - A PROCEDURE FOR PREPARING MASSES FOR PURIFICATION OF LIQUIDS BY IONS PERMIT : en es
  • ES171085A2 - : en es
  • ES9986U - Signs, with multicolored letters, endowed with luminous reflections. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12027U - Improved system of superimposed discs comprising the addition, subtraction, multiplication and division tables, for school use. (Machine-translation by Google Translate, not legally binding) : en es
  • FR904222A - Hutch turbine rotor with fixed or adjustable vanes : en fr
  • FR904152A - Variable speed telegraph device : en fr
  • US2387728A - Internal-combustion engine : en
  • CH239514A - Cot. : de en
  • CH239655A - Electric lamp with means for displaying advertisements. : de en
  • US2387744A - Fork lift truck : en
  • FR904217A - Improvements made to phonograph radiophonic receivers and other similar electrical devices comprising a loudspeaker placed in a cabinet : en fr
  • FR904333A - Furnace : en fr
  • GB572952A - Improvements in and relating to screw propellers : en
  • US2387957A - Method of inhibiting odors : en
  • CH239605A - Water column machine with piston rod reversal. : de en
  • FR904187A - Fine wire electrical resistance with two contact regions for wipers : en fr
  • GB572923A - Improvements in the preparation of compositions of rubber or the like and the incorporation therein of vulcanised rubber or the like : en
  • FR904216A - Electrical resistance : en fr
  • FR904340A - Process for obtaining luminous and phosphorescent photographs : en fr
  • FR904157A - Automatic vending machine for flour mills : en fr
  • FR904175A - Tanning process with vegetable tanning products : en fr
  • US2388189A - Amino acid synthesis : en
  • USD142751S - Writing tip section of a fountain pen : en
  • US2388041A - Process for the extraction of butadiene : en
  • USD142694S - Design for an ash tray : en
  • US2387889A - Welding system : en
  • US2388065A - Dresser compensating mechanism for grinding machines : en
  • US2387785A - Typewriting machine : en
  • CH239554A - Soccer dice game. : de en
  • US2388053A - Communication method and system : en
  • CH239620A - Control transformer with radially braided column. : de en
  • CH239513A - Seating convertible into a ladder. : de en
  • CH239517A - Textile machine. : en fr
  • US2387919A - Deep-drawing steel : en
  • USD142696S - Boris buecher : en
  • USD142686S - Design for a fishing keel : en
  • US2387723A - Manufacture of organic compounds : en
  • US2387999A - Lubrication : en
  • AU2434445A - Improvements in or relating to electric motor control equipment : en
  • US2388006A - Commutator structure and method of manufacture thereof : en
  • US2388211A - Constant multiplier control : en
  • CH239532A - Plant for the desalination of sugar solutions through ion exchange. : de en
  • US2387902A - Transportation load and method of preparing the same : en
  • USD142688S - Combined dental laboratory bench and cabinet : en
  • AU2446545A - Releasable coupling : en
  • US2387717A - Steam quality controller : en
  • US2388014A - Fire extinguishing composition : en
  • US2388184A - High strength laminated amino plastics : en
  • AU145208B2 - Manufacture of rubberlike materials : en
  • CA430942A - Electric switch : en fr
  • ES12020U - Color pencil with composite bar. (Machine-translation by Google Translate, not legally binding) : en es
  • US2387844A - Shock preventing floating dry dock : en
  • CH239509A - Body made of two or more glass parts connected to one another by means of a lower melting glass. : de en
  • US2388113A - Control device : en
  • ES4070Y - Device for filtering and cooling milk simultaneously. : en es
  • US2387715A - Welding materials and processes : en
  • US2388117A - Pipe coupler : en
  • US2387730A - Process for obtaining cork-like products from polymers of ethylene : en
  • US2388118A - Lens : en
  • US2387823A - Dry cleaning machine : en
  • FR904284A - Soft solder without tin : en fr
  • US2387813A - Moccasin seam sewing machine : en
  • CA430927A - Skin dehairing method : en fr
  • US2388142A - Split center window jack : en
  • US2387906A - Communication system : en
  • CA430916A - Electrically conductive fabric : en fr
  • CH239681A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • CA430958A - Joint and bushing construction : en fr
  • CH239610A - Two-stroke internal combustion engine. : en fr
  • US2387894A - Means for filling liquid gas bottles : en
  • US2387912A - Blowoff cock : en
  • US2388034A - Production of primary and secondary amines : en
  • DK64061C - Express, elastic Coupling. : da en
  • CH239635A - Electric discharge tube. : de en
  • US2388216A - Precision grinding wheel dressing device for pantograph machines : en
  • CA430913A - Glass tempering apparatus : en fr
  • CH239524A - Shoe insert. : de en
  • US2388159A - Coating shaft articles : en
  • AU2380845A - Copolymerization products of vinyl compounds and esters : en
  • CH239585A - Setting device for saw blades. : de en
  • CH239598A - Speed variator. : en fr
  • US2388018A - Apparatus for wrapping elongated articles : en
  • US2388059A - Lubricant : en
  • CH239631A - Overtemperature protection for electrically heated devices, in particular hot water storage tanks. : de en
  • US2387997A - Metallizable polyazo triazine dyestuffs : en
  • AU120475B2 - Improvements in electrolytic processes and electrodes and apparatus employed therefor : en
  • BE460394A - Crankshaft grinding machine : en fr
  • CA430867A - Hydrated lead aluminate pigment and paint : en fr
  • CA430868A - Lead aluminate pigment and paint : en fr
  • CA430939A - Textile article processing : en fr
  • US2387793A - Valve : en
  • US2387916A - Pickup arm control : en
  • FR904188A - Improvements to low loaders : en fr
  • FR904229A - Device applicable to line composing and melting machines for adjusting the movable branch of the line clamp on the line transport slide : en fr
  • FR904247A - Ceramic insulating body for spark plugs : en fr
  • GB573037A - Improvements in and relating to starters for internal combustion engines : en
  • US2388226A - Web drier : en
  • FR904233A - Device for automatic adjustment of earthing coils : en fr
  • US2388143A - Hardenable aminotriazine-aldehyde resins : en
  • FR904324A - Process for the manufacture of spinning dies in thermoplastic materials : en fr
  • US2387940A - Hydraulic jack : en
  • ES12011U - Artificial hatchery with electric heating with adjustable power. (Machine-translation by Google Translate, not legally binding) : en es
  • US2387777A - Hoisting mechanism : en
  • US2388075A - Latching mechanism for endgates : en
  • DK64057C - Paper spoon, especially for use when taking medicine. : da en
  • US2388036A - Apparatus for filling containers with liquids, pastes, or discrete material : en
  • US2388166A - Composition comprising an organolithium product : en
  • AU2430845A - Remote control actuator : en
  • CH239696A - Electrical switch with short-circuit release. : de en
  • US2388132A - Turbine oil : en
  • US2388137A - Device for installing and removing tubular lamps and the like : en
  • US2387743A - Can testing machine : en
  • US2387960A - Operating mechanism : en
  • US2388114A - Lubrication of automotive tires : en
  • AU1132143A - Frequency multipliers : en
  • US2387843A - Locomotive power drive : en
  • USD142706S - Design for a handbag : en
  • US2387839A - Press : en
  • US2387949A - Winding machine : en
  • US2387762A - Aircraft : en
  • US2388198A - Process for the vaporization of organic compounds : en
  • US2387758A - Visual educational device : en
  • FR904191A - Process and tools for the manufacture of combs, and combs conforming to those obtained by this process and this tool : en fr
  • FR904202A - Tile refinements : en fr
  • CA430956A - Foundation garment anchor : en fr
  • ES170270A1 - AN ELECTROMAGNETIC DEVICE FOR REMOTE DRIVING OF DIVERS, LUMINOUS SIGNS AND TRAFFIC TRAFFIC LIGHTS IN TOY TRAINS : en es
  • FR904245A - Electric fence device : en fr
  • US2387816A - Illuminating device : en
  • CH239515A - Level limiter for filling liquids into vessels. : de en
  • SU65388A1 - A device for determining the sparkling qualities of sparkling and sparkling wines : en ru
  • US2388167A - Method of regulating polymerization of polymerizable mixtures containing conjugated diene hydrocarbons and products obtainable thereby : en
  • ES171096A1 - IMPROVEMENTS IN THE CRANE BOXES OF MECHANICAL ADVENTORS : en es
  • FR904313A - electromagnetic sound transmitter, comprising a switch fixed to a support bracket : en fr
  • FR904237A - Stocking shaping machine : en fr
  • CH239632A - Contact protection device for electrical devices. : de en
  • US2387824A - Amino acid separation : en
  • CH239703A - Process for the preparation of d (+) - a, y-dioxy-B, B-dimethyl-butyric acid- (3 ', 4'-dioxy-butyl) -amide. : de en
  • US2387950A - Steam locomotive : en
  • US2388161A - Tetra-allyl silicane and process of preparing the same : en
  • AU2450745A - Improvements relating to lead-acid type electric accumulators : en
  • CH239566A - Sound head on steel sound machines. : de en
  • US2387809A - Gas range : en
  • US2387918A - Potato grader chain : en
  • US2387961A - Revolving electrical contact point : en
  • USD142724S - Design for a pin : en
  • US2387849A - Eye protection means and supporting means thereof : en
  • CA430971A - Glass article tempering means : en fr
  • US2387714A - Adsorbent making and using same : en
  • ES171122A1 - AN INDUSTRIAL GASOGEN, IMPROVED : en es
  • AU128757B2 - Magnetic recording head : en
  • GB572950A - Improvements in or relating to the electrolysis of aqueous solutions : en
  • GB572994A - Improvements in adhesives particularly for use upon bombs, grenades and demolition charges : en
  • US2388212A - Pickup : en
  • US2387909A - Temperature compensated bourdon tube instrument : en
  • US2387926A - Window cleaning device : en
  • USD142728S - Design for a jewelry pin or similar article : en
  • CA430872A - Sled power drive : en fr
  • CH239511A - Wood-fired gas generator. : en it
  • US2388203A - Viewing device for cathode-ray tube screens and the like : en
  • US2387821A - Eye protection means : en
  • US2387898A - Magnesium salts from sea water : en
  • FR904155A - Plug-in and take-off valve : en fr
  • GB572919A - Soft synthetic rubberlike masses : en
  • CA430919A - Filtering apparatus : en fr
  • US2387737A - Tensiometer : en
  • US2388133A - Folding iron : en
  • ES170928A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF CARTRIDGES DELAYED OPERATING FUSES : en es
  • FR904215A - Process and plant for spinning raw fibrous materials : en fr
  • FR904169A - Process for the preparation of plant juice concentrates : en fr
  • AU120479B2 - Improvements in and relating to boring plants : en
  • CA430923A - Pressure resistant vessel : en fr
  • US2387969A - Supporting column for tanks and the like : en
  • US2387853A - Interlocking control apparatus : en
  • CH239493A - A process for constructing a floor with reinforced concrete joists and a floor obtained by this process. : en fr
  • FR904293A - Reverse combustion gasifier, in particular for low-tar fuels such as lignites and the like : en fr
  • CH239616A - Temperature-controlled device in a cooler circuit of an internal combustion engine. : de en
  • CH239593A - Tooth coupling. : de en
  • FR904307A - Electric discharge tube : en fr
  • CA430962A - Telephone system : en fr
  • CH239527A - Protective sole for shoes. : de en
  • US2388098A - Wave length modulation : en
  • USD142693S - Design for an ash teat : en
  • CH239615A - Injection valve for internal combustion engines. : de en
  • FR904335A - Mechanism for calculating machines : en fr
  • AU129408B2 - Improvements in or relating to electric motor control equipment : en
  • BE460153A - : en fr
  • CA430893A - Lubricant reclaiming method : en fr
  • FR904154A - Control of the winding heads of the screen spiral machines : en fr
  • GB572927A - Improvements in or relating to gas-operated automatic firearms : en
  • GB572965A - An improved manufacture of refractory materials : en
  • ES12005U - Improved trailer for cars. (Machine-translation by Google Translate, not legally binding) : en es
  • GB573030A - Improvements in or relating to electric discharge devices : en
  • US2387970A - Thermal deposition of metals in a vacuum : en
  • FR904213A - Preparation process by floating polar minerals : en fr
  • BE460373A - : fr
  • FR904304A - Direct evaporative ice maker : en fr
  • GB573015A - Improvements in or relating to the manufacture of artificial textile fibres : en
  • CH239530A - Roller mill. : de en
  • CH239583A - Jig. : de en
  • ES171040A2 - NEW APPARATUS FOR AUTOMATIC TAKING OF SUCCESSIVE PHOTOGRAPHS ON REVERSIBLE PAPER TAPE : en es
  • ES171186A1 - ANTIDESLUMBRANTE DEVICE FOR AUTOMOBILE CARS : en es
  • ES12001U - A new pocket torch (Machine-translation by Google Translate, not legally binding) : en es
  • GB573002A - Improvements in flexible electrical conductors : en
  • ES170234A1 - IMPROVEMENTS INTRODUCED IN COVER MATERIALS FOR AIRCRAFT STRUCTURES : en es
  • FR904178A - Electric coil, for example pupin coil or translator for telecommunication cable : en fr
  • US2387923A - Dispensing apparatus for liquids : en
  • US2388205A - Eye protection means : en
  • FR904281A - filter element for liquid filters : en fr
  • ES12025U - A table football game with dice (Machine-translation by Google Translate, not legally binding) : en es
  • FR904270A - Humidification installation : en fr
  • FR904291A - Improvements to coaster brakes on rims, especially those for cycles : en fr
  • GB572945A - Improvements in and relating to the manufacture of abrasive tools : en
  • GB573040A - Improvements relating to variable speed power transmission mechanisms : en
  • GB572899A - Improvements in and relating to filter media : en
  • FR904226A - Reaction Coupled Cathodic Radiation Generator : en fr
  • US2388000A - Tilting mechanism for venetian blinds : en
  • DK64058C - Apparatus for Sanding and Housing, in particular of Parquet floors. : da en
  • US2387998A - Vapor generation : en
  • CH239540A - Plastic made from cellulose fatty acid triesters. : de en
  • US2388003A - Liquid temperaturizing vat : en
  • GB573001A - Process for regulating distillation columns : en
  • ES169300A1 - SHUTTER DEVICE FOR BOTTLE SPECIAL, IRRELLENABLE NECK : en es
  • US2388106A - Method and apparatus for making spring assemblies : en
  • US2387895A - Preparation of diolefinic resins : en
  • GB572930A - Improvements in or relating to the surface hardening of metal articles : en
  • US2388179A - Pipe coupling : en
  • US2387941A - Pumping system : en
  • ES171174A1 - IMPROVEMENTS IN THE MANUFACTURE OF RAYON CROWNS AND SIMILARES : en es
  • US2387922A - Apparatus for measuring liquids : en
  • US2387990A - Threaded sheet metal plug : en
  • AU2325345A - Improvements relating tothe production of phenalic ethers of polyhydric alcohols : en
  • CH239582A - Mandrel. : en fr
  • CH239695A - Waterproof watch box. : en fr
  • US2388192A - Folding stand : en
  • AU128921B2 - Induction system : en
  • AU130963B2 - Improvements in keto-sulfones and process of preparing them : en
  • US2387778A - Method of molding containers : en
  • CH239518A - Loom. : de en
  • US2388056A - Adjustable support : en
  • CA430879A - Training device for celestial navigation : en fr
  • CA430914A - Glass article reshaping apparatus : en fr
  • FR904182A - Washing and cleaning products : en fr
  • ES12029U - Pincers for tubes. (Machine-translation by Google Translate, not legally binding) : en es
  • AU120080B2 - Improvements in tracking arrangements for electrical circuits of variable resonance : en
  • US2387934A - Composition of matter and polymerization products thereof : en
  • LU27744A1 - : en
  • CA430892A - Printing plate for offset printing : en fr
  • CH239494A - Heat insulating wall. : de en
  • US2387931A - Unsaturated esters and polymers thereof : en
  • AU130869B2 - Remote control actuator : en
  • ES170312A1 - IMPROVEMENTS IN AUTOMATIC CLOSURE DEVICES, INTENDED FOR ALL KINDS OF CONTAINERS FOR LIQUIDS : en es
  • GB573025A - Manufacture of trisazo dyestuffs : en
  • US2387749A - Director trainer : en
  • US2388080A - Alumina and silicon carbide refractory : en
  • US2387739A - Duplicating machine : en
  • US2387829A - Electrical apparatus : en
  • US2388191A - Ophthalmic mounting and method of making and adjusting the same : en
  • USD142687S - Design for an oil bab : en
  • CH239614A - Installation comprising several pressurized fluid generators. : en fr
  • US2388060A - Ceramic composition : en
  • CH239599A - Infinitely variable transmission with fluid regulation. : de en
  • CH239700A - Process for the preparation of a sulfonamide. : de en
  • US2387771A - Electric hammer : en
  • CA430968A - Snap-acting apparatus : en fr
  • CA430946A - Passenger vehicle berth : en fr
  • CH239580A - Device for aligning an adjustable horizontal beam of a metal and similar material processing machine in relation to the machine bed. : de en
  • CH239669A - Brake for cycles. : en fr
  • FR904283A - New polyazo dyes : en fr
  • AU129140B2 - Improvements relating to mechanical stokers : en
  • CA430929A - Accounting machine : en fr
  • CA430960A - Spongy rubber softening and swelling method : en fr
  • US2387822A - Hair curler : en
  • US2387864A - Starting device for gravity arc welders : en
  • CH239645A - Process for preparing N-phenyl-N-benzyl-N'.N'-dimethylethylenediamine. : en fr
  • FR904254A - Photographic telephoto lens : en fr
  • FR904336A - Vacuum regulator : en fr
  • US2387979A - Method of reducing magnesium oxide : en
  • CA430886A - Door latch : en fr
  • FR904235A - Process for manufacturing a zinc arsenate, product obtained and its application as an insecticide-fungicide : en fr
  • CH239519A - Tape for embedding coating. : en fr
  • US2388130A - Safety control for fuel burners : en
  • US2387799A - Motor control : en
  • US2388078A - Process for conversion of normal butane to butadiene : en
  • USD142710S - Milk can coyer or similar article : en
  • US2387842A - Hexide diesters : en
  • US2388046A - Packless valve : en
  • AU2434345A - Manufacture of insecticidal preparations : en
  • CA430928A - Skin dehairing method : en fr
  • CA430881A - Camera and projector : en fr
  • CH239544A - Portable file for coupons and ration sheets. : en fr
  • AU120477B2 - Improvements in or relating to automatic telecommunication exchange systems : en
  • US2387811A - Trap : en
  • US2387877A - Sharpening device : en
  • CH239556A - Trigger device for automatic firearms. : de en
  • AU1195543A - Improvements in evaporative water coolers : en
  • US2387818A - Apparatus for the production of sulphate of ammonia : en
  • USD142754S - Lapel ornament or similar article : en
  • AU120483B2 - Improvements in evaporative water coolers : en
  • CA430965A - Turbine-driven locomotive apparatus : en fr
  • GB573029A - Improvements in trigger mechanisms for automatic firearms : en
  • ES12009U - Box for the packing of fresh fish destined for export. (Machine-translation by Google Translate, not legally binding) : en es
  • GB572932A - Improvements relating to couplings for flexible tubes or electric cables : en
  • DK64052C - Cooling cases. : da en
  • US2387884A - Process for hydrolyzing fats : en
  • US2388131A - Method of coating sheets : en
  • US2387768A - Knit fabric and method of making same : en
  • BE460389A - : en fr
  • CH239640A - Electric discharge tube with secondary emission electrode. : de en
  • US2387733A - Quick-acting control valve : en
  • US2388154A - Amides : en
  • USD142750S - Design for a display case : en
  • CH239693A - Typewriter equipped with a cylinder blocking device. : en fr
  • AU128026B2 - Multi-impulse blower : en
  • FR904275A - Method for adjusting the transmission level, in particular in message transmission installations : en fr
  • US2387792A - Valve : en
  • GB572905A - Improvements in or relating to refractory materials : en
  • CH239679A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • US2387862A - Method for producing fuel carburetion : en
  • ES12013U - Step regulating valve. (Machine-translation by Google Translate, not legally binding) : en es
  • ES170925A1 - A DEVICE FOR THE SWITCHING OF ELECTRICAL CIRCUITS : en es
  • CH239552A - Ski binding. : de en
  • CA430898A - Remote control system : en fr
  • US2388054A - Electrical filter : en
  • US2388225A - Process for polymerizing olefinic materials : en
  • CH239624A - Electrical multiple connector. : de en
  • CA430869A - Lead aluminate pigment and paint : en fr
  • ES11987U - Drainage device, with filter, for bathtubs, washbasins, bidets and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • CH239603A - Rotary lobe pump for gaseous media. : de en
  • CH239672A - Method of converting an elastic drive device for driving axles of electric railway locomotives. : en fr
  • CH239704A - Process for preparing N-butyl-N-dimethylaminopropylaniline. : en fr
  • USD142745S - Design for a book end : en
  • CH239542A - Account sheet. : de en
  • CH239688A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • ES170977A1 - A PROCEDURE FOR THE PROTECTION OF PRECIPITATED COPPER SALTS : en es
  • GB572997A - Improvements in and relating to the separation of diolefines from gaseous mixtures : en
  • ES12022U - New lamp for medical examination of the mouth and pharynx, equipped with an interchangeable spatula to press the tongue during recognition. (Machine-translation by Google Translate, not legally binding) : en es
  • CA430935A - Mast structure : en fr
  • BE460237A - : en fr
  • US2387900A - Knife sheath : en
  • US2388210A - Refrigeration system for air-conditioned passenger vehicles : en
  • CA430912A - Reflecting optical system : en fr
  • US2387917A - Inhaler : en
  • USRE22685E - Valve arrangement : en
  • CA430944A - Railway car partition : en fr
  • CH239653A - Shortwave receiver with automatic focus adjustment. : de en
  • ES169122A3 - A METHOD, WITH THE CORRESPONDING APPARATUS, TO COLLECT POLLUTING MATERIALS CONTAINED IN A LIQUID : en es
  • FR904160A - Method for manufacturing transmission belts, in particular trapezoidal belts : en fr
  • FR904327A - Inverted disc crusher and direct attack for grinding or pulverizing various materials : en fr
  • AU120468B2 - Selenium element and method of making it : en
  • US2387925A - Circuit breaker : en
  • AU2452045A - Improvements in or relating to flame resistant regenerated cellulose sheets or films and to flame resisting treatment of regenerated cellulose sheets or films : en
  • FR904272A - Metal support with deformable props arranged in a polygon for mines : en fr
  • FR904225A - Arrangement for voltage adjustment of AC machines, especially for high frequencies : en fr
  • US2387831A - Plastic composition containing polyvinyl partial acetal resins : en
  • US2387947A - Means for cooling current limiting reactors : en
  • US2388050A - Bottle cap : en
  • US2388064A - Thread grinder : en
  • US2388176A - Washing machine drive : en
  • CA430911A - Glass tempering method : en fr
  • BE460196A - AUTOMATIC WEAPONS CARTRIDGE BAND ACTUATION DEVICE : en fr
  • CH239573A - Process for the manufacture of hard lead objects provided with a very thin tin coating, of the order of a micron, and object obtained by this process. : en fr
  • AU2429445A - Improvements in keto-sulfones and process of preparing them : en
  • GB573043A - Improvements in or relating to windlasses : en
  • ES171048A1 - A PROCEDURE FOR OBTAINING A HIGH EFFECTIVENESS INSECTICIDE PAINT : en es
  • GB572906A - Improvements in or relating to cellulosic derivatives and to fabrics coated therewith : en
  • BE460120A - Roller bearing improvements : en fr
  • CH239577A - Device for unwinding wire torches, in particular metal wire torches, comprising at least one reel. : en fr
  • US2387914A - Imbibition printing : en
  • USD142708S - Design fob a child s swing seat : en
  • US2388228A - Keyhole cover : en
  • CA430864A - Frequency modulation signalling system : en fr
  • FR904221A - Tight seal for slot-shaped gaps : en fr
  • US2387756A - Electric razor : en
  • US2387890A - Roll changing device : en
  • AU2471645A - Delay circuits : en
  • US2387955A - Tamperproof closure : en
  • ES11995U - A light summer jacket (Machine-translation by Google Translate, not legally binding) : en es
  • ES171178A1 - A STOP MECHANISM FOR RAILWAY WAGONS : en es
  • GB573038A - Improvements in and relating to roofs for building structures : en
  • US2387747A - Machine for and a method of making filled capsules : en
  • FR904263A - Device applicable to a line composing and melting machine for releasing the fixed branch of the line clamp bringing the lines of compound dies to the casting crucible : en fr
  • ES171083A1 - PROCEDURE FOR THE PREPARATION OF DESMO-DUPLO-METÍNICOS DYES : en es
  • CA430938A - Leather grading machine : en fr
  • CH239634A - Motor protection switch with delayed and quick release. : de en
  • AU120467B2 - Improvements in or relating tothe application of adhesive or other coating material to shoe parts or machines adapted for use for such application : en
  • CA430908A - Refrigeration apparatus : en fr
  • US2387845A - Electroacoustic transducer : en
  • USD142719S - Design for a picture frame or the like : en
  • AU128935B2 - A process forthe vertical casting under centrifugal action of metal bodies : en
  • GB572900A - Improvements in or relating to fire-back domestic hot water boilers : en
  • AU2432845A - Improvements indoor-operating mechanisms for lift doors andthe like : en
  • AU2439345A - Magnetic recording head : en
  • CH239609A - Two-stroke internal combustion engine. : en fr
  • CH239691A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • AU2429645A - Improvements in or relating to the preparation of vinyldiacetonalk amine in labile form and to the production of eucatropine hydrochloride therefrom : en
  • US2387759A - Method of manufacturing electrical condensers : en
  • USD142742S - Design for a telephone stand : en
  • US2388136A - Party-line printing telegraph system : en
  • CA430967A - Vibration analyzer : en fr
  • ES11978U - A perfected bra (Machine-translation by Google Translate, not legally binding) : en es
  • ES171166A1 - A GYROSCOPIC INSTRUMENT TO INDICATE, CONTROL, OR BOTH THINGS, THE POSITION IN RESPONSE TO GRAVITY : en es
  • US2387903A - Contacting element : en
  • US2388016A - Cleaning device : en
  • CH239525A - Device to hold the foot more firmly in a shoe. : en fr
  • US2388089A - Windshield cleaner : en
  • FR904318A - Valve shutter : en fr
  • USD142721S - Design for a flush valve housing : en
  • ES170661A2 - : en es
  • FR904337A - Drive axle with wheels guided independently of one another, in particular for motor vehicles in which all the wheels are driven : en fr
  • GB572949A - Improvements in and relating to the manufacture of organic nitrogen compounds : en
  • US2387872A - Treatment of bearing surfaces with lubricants : en
  • CH239586A - Scissors. : de en
  • CH239667A - Dynamo drive for bicycles. : de en
  • FR904231A - Device for maintaining constant the temperature of a bath, applicable in particular to film developing machines : en fr
  • ES171183A1 - AN APPARATUS TO RAISE THE STOMACH OR COLON IN THE CASES OF DESCENT OF THESE ORGANS : en es
  • GB572975A - Improvements in and relating to micrometer gauges : en
  • US2387841A - Vinyl resin compositions : en
  • US2387959A - Snowplow : en
  • US2388190A - Foldable cardboard box : en
  • ES171117A1 - IMPROVEMENTS INTRODUCED IN THE BRAKE DEVICES IN ELEVATORS, LIFTS AND ELEVATORS : en es
  • US2388110A - Toy horse : en
  • ES11979U - A new system for fixing the pieces of architectural constructions for children (Machine-translation by Google Translate, not legally binding) : en es
  • BE460028A - : en fr
  • FR904339A - Process for finishing textiles, especially cellulose hydrate textiles : en fr
  • US2387736A - Pump device for machines for applying coating material to articles moving in processions : en
  • GB572989A - A process for the production of condensation products from thiocyanates with formaldehyde : en
  • ES11862U - Device to remove the thread residue from the bobbins. (Machine-translation by Google Translate, not legally binding) : en es
  • CH239663A - Device applied to a wheel of a vehicle with tire and able to inflate and keep inflated, without interrupting the travel of the vehicle, the possibly relaxed tire. : en it
  • US2387741A - Portable parts cabinet : en
  • US2388233A - Radio-frequency transmitter : en
  • USD142695S - Condiment shaker or similar article : en
  • US2387725A - Well screen : en
  • CH239564A - Apparatus for reproducing optical sound recordings. : de en
  • CH239661A - Independent wheel suspension for vehicles. : de en
  • FR904171A - Electric glass furnaces : en fr
  • US2387888A - Electrode holder : en
  • CA430949A - Evaporated milk manufacture : en fr
  • GB573026A - Process for treating leather and products produced thereby : en
  • IE18864L - Automatic telephone exchange systems. : en
  • US2388104A - Brake : en
  • USD142704S - Design fob a pin or similar article : en
  • ES171150A1 - PULVERIZING OR SULPHATING MACHINE, MOUNTED ON A CAVALRY : en es
  • US2387814A - Gauging device : en
  • US2387879A - Piperidinol esters as antispasmodic agents : en
  • US2388157A - Brooder : en
  • ES10586U - Core or cartridge, to hold and store wicks for pocket lighters. (Machine-translation by Google Translate, not legally binding) : en es
  • FR904151A - Device used to shape the grids of very small electronic lamps : en fr
  • GB572983A - Improvements in or relating to aircraft navigational instruments : en
  • US2387726A - Filtering medium : en
  • US2388202A - Production of chlorine dioxide : en
  • GB573031A - Improvements in or relating to toy guns : en
  • GB572953A - Improvements in time fuzes for projectiles or missiles : en
  • US2387920A - Manufacture of inhibitors : en
  • US2388079A - Control lever : en
  • CA430875A - Boot and shoe sole structure : en fr
  • BE459955A - : en fr
  • DK64065C - Device by conveyor belt. : da en
  • ES171039A1 - PROCEDURE FOR THE OBTAINING OF LIGNIN AND RECOVERY OF SODIUM HYDROXIDE FROM THE RESIDUAL BLEACHES OF THE MANUFACTURE OF CELLULOSE BY ALKALINE METHOD : en es
  • AU2429945A - tor Improvements in or relating to method of and apparatus for treating filamentary material : en
  • US2387802A - Separable track for crawler type vehicles : en
  • CH239562A - Measuring device. : de en
  • GB573010A - Improvements in or relating to cooling towers : en
  • USRE22686E - roberts r : en
  • ES11807U - Callus reducer, perpetual. (Machine-translation by Google Translate, not legally binding) : en es
  • GB573011A - Improvements relating to flexible pipes : en