• DE602505C - Hot water heating system : de en
  • ES135052A2 - IMPROVEMENTS INTRODUCED IN THE PURPOSE OF SAID PATENT : en es
  • US1973032A - Shoe tree : en
  • DE602556C - Device for parallel connection of electrical machines or power supply units : de en
  • ES135176A1 - A new lever press system, special for fruits : en es
  • ES135016A1 - An improved machine for crushing the olive. : en es
  • US1973009A - Necktie clasp : en
  • US1973446A - Cable guiding device : en
  • FR770271A - Piston : en fr
  • FR770272A - Device for controlling unwanted reflections in optical devices : en fr
  • GB416455A - Improvements in or relating to spring surfaces for mattresses, upholstery and the like : en
  • CH171720A - Process for the preparation of a 4-aminodiphenylamine derivative. : de en
  • USD93318S - Design for a vanity case or : en
  • FR770313A - Biscuit for breeding birds : en fr
  • FR770297A - Control mechanism : en fr
  • GB416144A - An improved method and apparatus relating to the manufacture of rubber thread : en
  • ES135047A1 - Improvements in the conversion of alternating currents to direct current or vice versa. : en es
  • ES2454Y - Metallic sommier. : en es
  • USD93277S - Design for a mirrored display stand : en
  • DE602760C - Process for the preparation of a compound of calcium nitrite and 1-phenyl-2, 3-dimethyl-5-pyrazolone : de en
  • ES135210A1 - Procedure for the simultaneous obtaining of a lye of caustic soda poor in sodium chloride and Glauber's salt. : en es
  • GB416178A - A reciprocating device actuated by a fluid pressure medium, especially suitable for operating window wipers : en
  • ES135235A1 - A process for catalytic destructive hydrogenation and under pressure of solid carbonaceous material. : en es
  • DE602577C - Device for wrapping the cover sheet around the cigar wrap : de en
  • FR770377A - Apparatus for taking conformation measurements with a view to cutting clothing : en fr
  • FR770446A - Improvements to wire mesh bases : en fr
  • ES135203A1 - An escape mechanism for machines or engines of explosion or internal combustion. : en es
  • GB416491A - Improved means for starting diesel engines : en
  • ES135232A1 - A method of preparing dichloracetic acid. : en es
  • FR770323A - Coupling device for locomotives and wagons : en fr
  • USD93280S - Design for a hopper for stokers : en
  • US1973659A - Garment : en
  • FR770293A - Vehicle for transporting and handling frames, crates or other heavy objects : en fr
  • US1972927A - Loud speaker : en
  • US1973095A - Belt centering mechanism : en
  • GB416271A - Improvements relating to centreless grinding machines : en
  • DE602740C - Circuit arrangement : de en
  • CA344617A - Pressing pad : en fr
  • ES2875U - Toy. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770460A - Pressure gauge for measuring the flow velocity of fluids with cylindrical reservoirs : en fr
  • US1973082A - Circuit connection for thermionic tubes : en
  • US1973222A - Dental bur holder : en
  • DE602401C - Arrangement for filtering out a certain frequency from a frequency mixture using a ladder excited by standing waves : de en
  • DE602518C - Seam closure, especially for paper bags or the like. : de en
  • CH171867A - Process for the production of a therapeutically useful preparation, particularly suitable for combating malignant tumors. : de en
  • CH171869A - Process for the production of monoadenosine phosphoric acid from animal organs. : de en
  • FR770404A - Improvements in aircraft construction : en fr
  • ES135209A1 - PROCEDURE FOR THE OBTAINING OF UREA-HEXAMETHYLENOTETRAMINE-FORMALDEHYDE RESINS ANHYDRAIN OR ALMOST ANHYDROUS, PLASTIC, EASILY FUSABLE AND IN THE HEAT PRESS, AFTER A PRE-POLYMERIZATION RAPIDLY TO RAPIDLY : en es
  • FR770475A - Extension table : en fr
  • DE602659C - Two-stroke internal combustion engine with self-ignition of the injected fuel : de en
  • DE602443C - Process for carrying out pyrogenic gas reactions with hydrocarbons : de en
  • FR770470A - Method and apparatus for removing cylinder heads from internal combustion engines : en fr
  • DE602486C - Stylus clip for fabric tensioning machines : de en
  • NL34616C - : en
  • US1973552A - Spinning frame : en
  • CA344573A - Knitting machine and stocking : en fr
  • US1973219A - Arm signal panel : en
  • CH171814A - Starting device with a pinion starter for starting internal combustion engines. : de en
  • CH171926A - Sidecars for bicycles and motorcycles. : de en
  • NL33597C - : en
  • US1973051A - Atomizing disk : en
  • US1973488A - Lacquer : en
  • ES135223A1 - A home for the use as fuel of the orujillo (pomace residue). : en es
  • ES2867U - A new shoe for all kinds of footwear (Machine-translation by Google Translate, not legally binding) : en es
  • GB416226A - Nozzles for vacuum cleaners : en
  • ES2862U - Corset with a reduce, hygienic stomach with steels and detachable emballenados. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770270A - Emulsion destruction process : en fr
  • FR770166A - Improvements in machines for removing feathers, pipes and down from poultry, game, ducks, geese and the like : en fr
  • CA344501A - Cinematograph apparatus : en fr
  • DE602626C - Style clock with alarm clockwork : de en
  • CH171880A - Coin cashier for the delivery of flowing media such as gas, water and the like. : de en
  • FR770353A - Method and device for adjusting the aperture of a camera lens according to the brightness of the subjects : en fr
  • FR770436A - Pedals for piano : en fr
  • GB416395A - An improved golf bag support : en
  • US1973610A - Automatic coupling and shut-off mechanism for vehicle hose lines : en
  • GB416239A - Improvements in wireless receiving apparatus : en
  • DE602490C - Device for the continuous measurement of the curvature of railway tracks : de en
  • DE602715C - Electromagnetic pickup : de en
  • DK49255C - Device for Ships for Carrying Liquids Under Significant Pressure. : da en
  • FR770466A - Front suspension with independent wheels for motor vehicles : en fr
  • GB416469A - Improvements in and relating to apparatus for liming wire : en
  • DK49244C - Tipper for Lad for Trucks and similar Vehicles. : da en
  • US1973492A - Billiard table : en
  • FR770534A - Improvements relating to aircraft bumper brackets : en fr
  • GB416456A - Improvements in net-making machines : en
  • DE602706C - Arrangement for regulating the power factor on the high-voltage side of a three-winding transformer : de en
  • GB416779A - New azo dyestuffs and application thereof : en
  • DE602539C - Impact tool : de en
  • ES135177A1 - Improvement in current limiters. : en es
  • GB416193A - Manufacture of anaesthetic preparations : en
  • FR770258A - Improvements to fruit pitting machines : en fr
  • US1973002A - Apparatus for mixing materials : en
  • GB416202A - Improvements in and relating to radiator badges for motor vehicles : en
  • DE602503C - Low pressure steam heating system with return of the condensate to the boiler by gravity : de en
  • DE602768C - Fast regulator working according to the Tirrill principle : de en
  • GB416284A - Improvements in or relating to washing machines : en
  • DE602674C - Filling valve with self-closing : de en
  • CH171821A - Household refrigerator operated by a refrigeration machine. : de en
  • GB416167A - Improvements in or relating to soles for footwear : en
  • GB416397A - Improvements in or relating to echo sounding apparatus : en
  • CH171677A - Device for winding threads on bobbins with a conical winding surface. : de en
  • US1973379A - Hosiery filler apparatus : en
  • AT138663B - Backpack. : de en
  • DE602566C - Resilient bearing : de en
  • CA344625A - Milk cooler : en fr
  • AT138743B - Composite process for breaking down gas mixtures, especially air. : de en
  • CH171970A - Riser base. : de en
  • FR770459A - Process for obtaining potassium nitrate from sodium nitrate : en fr
  • GB416123A - Improvements in or relating to handles for tea-pots, kettles and the like : en
  • CA344613A - Shoe finishing tool : en fr
  • FR770500A - Electrode suspension : en fr
  • GB416337A - Improvements in milk or cream coolers : en
  • AT138728B - Winding device for the production of torsion step springs. : de en
  • DE602683C - Ringing egg timer : de en
  • FR770246A - Improvements to metal body production processes : en fr
  • GB416305A - Improvements in and relating to pectin and its manufacture : en
  • GB416333A - Improvements in the manufacture of grids for motor car radiators and the like skeleton structures : en
  • US1973494A - Convertible motor vehicle : en
  • US1973548A - Positively molded matrix : en
  • DE602607C - Screw nut designed as a screw locking device : de en
  • CA344629A - Die : en fr
  • CH171727A - Process for the production of a floor and furniture wax. : de en
  • CH171881A - Gas meter. : de en
  • DE602516C - Method for inserting an elastic sleeve made of rubber o. : de en
  • US1973201A - Thread rolling apparatus : en
  • US1973470A - Photographic printing apparatus : en
  • GB416580A - New disazo dyestuffs and their application : en
  • AU1703934A - Improvements in or relating to detector arrangements : en
  • US1973442A - Pressure cooker : en
  • DE602780C - Self-seller with a number of superimposed coins : de en
  • US1973184A - Removable tip cleaning needle and generator : en
  • US1973431A - Method and apparatus for coating metal strip : en
  • ES135055A1 - Procedure for obtaining a wood coke, with fine pores, spongy and resistant, hard and tenacious : en es
  • US1973003A - Dehalogenation of cyclic halogen compounds : en
  • GB416087A - Improvements in or relating to the treatment of yarns : en
  • GB416668A - Improvements in or relating to sewing machines : en
  • US1973352A - Adjustable wheel and brake mechanism for baby carriages : en
  • GB416164A - Improvements in and connected with sheet metal furniture : en
  • US1973052A - Mangle : en
  • CA344533A - Ferrous product : en fr
  • CA344612A - Sheet actuating device : en fr
  • ES135241A1 - Improvements in electric meters. : en es
  • ES134900A3 - Method of manufacturing insulating cardboard based on sugar cane fiber or bagasse. : en es
  • GB416137A - Improvements in casement stays and like fastenings : en
  • GB416359A - Improvements in or connected with devices comprising two tubular sleeves which are connected and are relatively movable endwise : en
  • ES135039A1 - Improvements in the manufacture of electronic valves. : en es
  • ES135187A1 - UNIVERSAL BREAKER, APPLICABLE IN PARTICULAR TO THE MANUFACTURE OF GRAVEL : en es
  • GB416470A - Improvements in or relating to pickers for looms : en
  • FR770347A - Balance with stabilizing device : en fr
  • GB416392A - Improvements in, or relating to, hydraulic shock absorbers : en
  • CH171789A - Process for cleaning liquids, in particular oils, by means of centrifugal force and equipment for this purpose. : de en
  • CH171854A - Device for the direct conversion of three-phase current from industrial frequency into single-phase current of higher frequency by means of grid-controlled ion valves. : de en
  • US1972883A - Recovery of elemental sulphur : en
  • US1973207A - Golf driving mechanism : en
  • USD93304S - Design for a bottle : en
  • AT138664B - Washing machine. : de en
  • US1973068A - Oil pilled cable : en
  • CH171724A - Process for the preparation of an azo dye. : de en
  • GB416108A - Improvements in locks and latches : en
  • GB416211A - Heat control for dryers : en
  • ES135206A3 - Improvements in the articulations of loading cartridge for machine guns. : en es
  • ES135165A1 - PROCEDURE FOR OBTAINING BLUE COLORS : en es
  • GB416409A - Improvements relating to respiratory appliances, particularly for use at high altitudes : en
  • CH171663A - Gears, in particular for kitchen machines. : de en
  • DE602730C - Height belt conveyor for hay, straw, etc. like : de en
  • CA344597A - Furnace electrode suspension : en fr
  • CH171886A - Telephone system. : de en
  • CH171902A - Note device on folders, handbags and the like. : de en
  • US1972892A - Method of extracting diphenylamine : en
  • DE1312360U - : de en
  • DK49238C - Lead cell and method of manufacture partly of this, partly of electrodes applicable thereto and of a lead compound included in these. : da en
  • US1973369A - Switch structure : en
  • US1972943A - Shock absorber : en
  • NL33578C - Compressed air delivery device : en nl
  • NL33708C - : en
  • US1973635A - Manufacture of azo-dyestuffs containing sulphur : en
  • DE602415C - Ribbon display device : de en
  • FR770400A - Preparation of synthetic resins : en fr
  • GB416069A - Improvements in or relating to apparatus for cleaning eggs : en
  • GB416104A - Improvements in and relating to feeding devices for webs in printing and like machines : en
  • GB416405A - Ball projecting apparatus for use in table games : en
  • CH171876A - Respiratory. : en fr
  • CH171932A - Track vehicle with bogies that can be adjusted using special control frames. : de en
  • DE602728C - Box magazine for self-loading weapons : de en
  • AU1690034A - Improvements in and relating to hand operated washing machines. 9 : en
  • DE602396C - Electrical high-speed rotary switch for right and left rotation : de en
  • GB416203A - Improvements in or relating to breast-holders, corsets and the like : en
  • CH171833A - Auxiliary line clamp row for attachment to switch frames and the like : de en
  • US1973476A - Photographic stripping film : en
  • DE602616C - Process for the production of multilayer bituminous papers : de en
  • ES135032A1 - Improvements in the facilities for water supply. : en es
  • GB416408A - Improvements in or relating to alloys and methods of making the same : en
  • CA344566A - Safety glass : en fr
  • CH171825A - Removable cable connector on electrical equipment. : de en
  • AT138659B - Device for sharpening pencil leads. : de en
  • CA344577A - Cream whipping apparatus : en fr
  • FR770504A - Improvements to valve seats in sanitary devices such as washbasins, etc. : en fr
  • US1973248A - Radio tube socket unit : en
  • US1973370A - Sewing apparatus : en
  • CA10475S - Razor plade : en
  • CA344589A - Loose leaf index : en fr
  • US1973098A - Method and apparatus for handling materials : en
  • US1973187A - Silent mounting for oil burners : en
  • CH171753A - Board game. : de en
  • CH171624A - Process for preparing a mixture very rich in bituminous substances. : en fr
  • CH171760A - Gas meter. : de en
  • CH171807A - A steam system consisting of a steam generator system with low storage capacity, a power machine system and a heat recovery system. : de en
  • DE572843C - Screw locking : de en
  • US1973169A - Cereal cutter : en
  • US1973176A - Road drilling tool for setting marking plugs and the like : en
  • US1973181A - Pump : en
  • US1973457A - Photographic film cartridge : en
  • CH171783A - Machine for the production of steel chips from wire. : de en
  • CH171819A - Method for removing the salts precipitating in the pipe string of a single-pipe steam generator and steam generator for carrying out the method. : de en
  • US1973249A - Valve : en
  • US1973560A - Apparatus for semifluid and fluid evacuation : en
  • CH171813A - Exhaust silencers for internal combustion engines. : de en
  • ES135264A1 - Governance arrangement for oscillating mechanisms driven by motor, especially for projectors, guns, glasses and the like. : en es
  • ES2881U - One fastening buckle for ribbons or strips (Machine-translation by Google Translate, not legally binding) : en es
  • GB416109A - Improvements in or relating to thermionic valve assemblies and associated amplifying arrangements : en
  • ES2871U - Folding beach and field tent in the form of a suitcase. (Machine-translation by Google Translate, not legally binding) : en es
  • DE602510C - Device for collecting the migrating material on the seabed : de en
  • DE602522C - Liquid shock absorbers : de en
  • GB416343A - Improvements in wireless aerials for use on road vehicles and the like : en
  • DE602526C - Gliding ship : de en
  • AT138739B - The main thing is to improve woven or knitted fabrics made of cellulose-containing fibers and methods for their manufacture. : de en
  • CH171845A - Disconnection device for quick switch with holding magnet : de en
  • FR770332A - Process for the industrial manufacture of tin oxide by instantaneous combustion of a mixture of air and sprayed and hot liquid metal : en fr
  • FR770268A - Emulsion decomposition process : en fr
  • GB416185A - Improvements in apparatus for making inflatable articles : en
  • GB416439A - Apparatus for playing a table game : en
  • DE597532C - Dimming device for electric car headlights : de en
  • DE602545C - Venturi : de en
  • DE602696C - Roll bearings for duo and trio rolling mills : de en
  • FR770282A - Process for obtaining a sinuous thread in all fabrics and device for its implementation : en fr
  • US1973612A - Method of securing durable adhesions of liquid coatings to zinc surfaces : en
  • US1973004A - Manufacture of galvanized steel sheets : en
  • US1973229A - Glider : en
  • CH171686A - Guard with reel for looms. : de en
  • ES2082Y - Cardboard box, wood or similar material. : en es
  • US1973045A - Guiding means for corn pickers : en
  • US1973471A - Cracking of hydrocarbon oils : en
  • IE12859L - Concrete piles : en
  • US1972881A - Internal combustion engine : en
  • US1973239A - Oil heater : en
  • US1973675A - Electric rectifier construction : en
  • USD93294S - Design for a heater : en
  • CH171815A - Piston ring on internal combustion engines. : de en
  • US1972867A - Engine starting assembly : en
  • US1972938A - Explosive coating material : en
  • US1973151A - Process of making stencils : en
  • DE602590C - Support frame section for slide troughs consisting of angle iron with flat iron laid across : de en
  • DE602704C - Selective protection device for inductive system parts : de en
  • GB416476A - Process for the production of oil-soluble resins : en
  • CH171947A - Process for the preparation of a condensation product of the anthracene series. : de en
  • GB416179A - Improvements in and relating to case-hardening : en
  • US1973649A - Sanding sealer : en
  • US1973642A - Heater : en
  • CH171851A - Exhaust device of an electrolyte-containing cell. : de en
  • DE602570C - Device for maintaining the same forging temperature by shielding the workpiece during open die forging under the forging press or the like. : de en
  • DE602669C - Fuse for sheet metal container locks : de en
  • GB416266A - Improvements relating to vehicle wheels having detachable rims : en
  • NL33580C - : en
  • US1973638A - Triple accordion : en
  • US1973687A - Tube mill : en
  • CA344582A - Hay storing apparatus : en fr
  • CH171913A - Cooling system for cooling the coolant in vehicles equipped with power systems. : de en
  • US1973303A - Oscillation generator : en
  • US1972931A - Track for monorail conveyer systems : en
  • CH171735A - Bag with garbage bag. : de en
  • US1972908A - Thermostatic control : en
  • US1972995A - Envelope or container : en
  • US1973380A - Processing glycerin lyes : en
  • CH171703A - Meat cutting knife. : de en
  • CH171802A - Device for lubricating a member movable with respect to a fixed source of lubricant supply. : en fr
  • CH171972A - Electric discharge device. : de en
  • DE602481C - Method and device for processing leather and similar soft materials by means of press rollers : de en
  • GB416272A - Improvements in or relating to vehicle windscreens : en
  • US1972853A - Power amplifying positioning device : en
  • DE602538C - Method of weaving seamless sacks : de en
  • ES135191A1 - Improvements in rotary kilns for cooking cement or similar materials. : en es
  • FR770261A - Process for the manufacture of utility articles by the use of compositions based on viscose sponge : en fr
  • FR770340A - Combined variable action balancing device : en fr
  • FR770515A - Improvements in rubber manufacturing : en fr
  • ES2800U - Mixed plate for coal fuel and electric current. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770165A - Improvements made to metal bands, which can be broken down into several elements, for supplying repeating firearms : en fr
  • US1973210A - Automatic compensating device for sealing openings around doors, windows, and the like : en
  • US1973306A - Apparatus for developing : en
  • FR770441A - Two-tone warning stamp for bicycles or others : en fr
  • GB416197A - Improvement in conveyors : en
  • US1973537A - Solid lubricant : en
  • US1973484A - Duplex camera : en
  • AT138724B - Elastic backrest for chairs or the like. : de en
  • ES134585A1 - Lubricator for railways : en es
  • US1972880A - Key container : en
  • GB416105A - Improvements relating to exercising apparatus : en
  • US1973054A - Fluid-applying machine : en
  • US1973061A - Ribbon put-up : en
  • CH171841A - Rotary switch for right and left gear with controlled release and radially movable locking bolts with the contact element. : de en
  • US1973209A - Divided carton : en
  • US1973407A - Process of conditioning crystalline materials : en
  • US1972901A - Sifter top can : en
  • US1973396A - Fuse plug : en
  • US1973646A - Belt or the like for personal wear : en
  • CH171803A - Mobile motorized winch. : de en
  • CH171810A - Plungers for internal combustion engines. : de en
  • FR770155A - Surface treatment process for metals, in particular for obtaining surface decorations : en fr
  • FR770161A - Electric lamps for automobile headlamps and the like : en fr
  • GB416582A - Improvements in and relating to discharge valves for liquid containers, more particularly for drums and barrels : en
  • CH171649A - Floor cleaning device with wood wool holder attached to a handle. : de en
  • CH171891A - Small transmitter for wireless telegraphy. : de en
  • ES135033A1 - Rotating dosing device. : en es
  • ES135179A1 - Olives crushing machine. : en es
  • US1972869A - Moistureproof material and method of making same : en
  • US1973558A - Flotation method : en
  • US1973353A - Carburetor : en
  • US1972946A - Advertising device : en
  • US1973349A - Water closet : en
  • CH171915A - Tractor. : en fr
  • CH171640A - Connection fittings for window and door sashes. : de en
  • CA344567A - Thread winding carrier : en fr
  • CH171615A - Animal coupling device for fire cases. : de en
  • DE602430C - Base, especially for radio tubes : de en
  • FR770401A - Bucket Elevator Improvements : en fr
  • US1973654A - Stop motion for looms : en
  • AT138674B - Automatic lubrication device. : de en
  • DE602655C - Process for hardening silver against tarnishing : de en
  • ES135154A1 - A machine to act on the heel portions of the footwear. : en es
  • US1973368A - Metal working machine : en
  • GB416329A - Improvements in or relating to extensible tables : en
  • DE602422C - Device for burning cement : de en
  • DE602501C - Draw-through molding machine for the production of elongated, prismatic casting molds : de en
  • GB416283A - Improvements in wheel-barrows : en
  • FR770265A - Coil comprising a closed circuit consisting of a magnetic material : en fr
  • GB416146A - Improvements in furnaces : en
  • ES135026A1 - Improvement in firearms consisting of automatic portable weapon with endless strip loader : en es
  • FR770523A - Rotary vane motor : en fr
  • GB416410A - Improvements in the preservation of rubber : en
  • DE602563C - Self-collecting liquid seller : de en
  • US1973633A - Leakproof carton : en
  • US1973057A - Printing instrumentality for typewriting machines : en
  • FR770380A - Electric incandescent lamp with a gaseous atmosphere intended more particularly for photography : en fr
  • FR770445A - Device for the preparation of dental amalgams : en fr
  • US1973433A - Vanity case : en
  • US1973464A - Flat bed web printing press : en
  • US1973436A - Method of making bobbin rings : en
  • US1973564A - Toy designing block : en
  • US1973609A - Concrete form tierod and fastening therefor : en
  • US1973669A - Rotary pump : en
  • FR770181A - Improvements to sprayers and carburettors or other devices incorporating them : en fr
  • GB416366A - An improved fish-dressing tool : en
  • CA344507A - Culvert : en fr
  • GB416184A - Improvements in tables, seats or other supports having foldable legs : en
  • US1973334A - Gas burner : en
  • US1973001A - Amino-anthraquinone sulpho-chlorides and a process of preparing them : en
  • FR770218A - Apparatus for determining the temperature of liquids of all kinds subjected to heating : en fr
  • GB416326A - Improved control surfaces for air and water-craft : en
  • US1973044A - Ironer roll pad unit : en
  • US1973332A - Transmission mechanism : en
  • US1973387A - Apparatus for use in giving diathermic treatments and the like : en
  • CA344565A - Liquid concentrating apparatus : en fr
  • CH171755A - Scenery train. : de en
  • CH171775A - Time meter. : en fr
  • CA344485A - Regulator and relief valve : en fr
  • CA344520A - Mineral wool : en fr
  • AU1694834A - Improvements relating to electric selective switching systems : en
  • CH171719A - Process for splitting off sulfo groups from anthraquinone derivatives. : de en
  • FR770381A - Remote adjustment device, particularly applicable to the adjustment of active power or reactive power supplied by electric generators : en fr
  • FR770539A - Manufacturing process for high molecular weight amide derivatives : en fr
  • US1973391A - Package : en
  • AT138658B - Device for moistening paper and fabric webs. : de en
  • CH171951A - Process for the preparation of a condensation product of the anthracene series. : de en
  • DE602571C - Roll film camera : de en
  • DE602661C - Internal combustion turbine with running rims lying coaxially in one another in a housing : de en
  • ES2854U - Throw to spray. (Machine-translation by Google Translate, not legally binding) : en es
  • US1973162A - Carburetor : en
  • CH171693A - Dyeing machine. : en fr
  • CH171942A - Liquid fuel heating installation. : en fr
  • GB416312A - Improvements in headlights for motor cars : en
  • GB416482A - Improvements relating to the examination of objects by means of x-rays : en
  • GB416487A - Improvements in the treatment of lace and its application as an ornamenting medium : en
  • AT138722B - Sharpening device for razor blades. : de en
  • GB416373A - Improvements in or relating to stencil-printing apparatus : en
  • DE602680C - Machine for pressing together wire or ribbon bundles : de en
  • DE602537C - Centrifugal machine with slowly rotating drum in a rapidly rotating frame : de en
  • FR770491A - Cellular pneumatic tire : en fr
  • FR770503A - Removable junction device from the suspenders to the pants : en fr
  • GB416386A - Improved method and means for transmitting messages : en
  • DE602720C - Articulated pipe connection : de en
  • FR770175A - Improvements to electrical machines : en fr
  • FR770406A - Support area : en fr
  • US1972941A - Railway signaling : en
  • US1973193A - Portable protected metal article : en
  • CH171725A - Process for the preparation of a new monoazo dye. : de en
  • DE602597C - Electric switch with arc extinguishing by flowing pressurized gas : de en
  • FR770449A - Device for making the elements of the negative screen and the proof paper coincide by means of the support frame in the preparation of colored photographic prints : en fr
  • GB416065A - Air-cooled engines for aircraft : en
  • DE602499C - Process for the production of composite titanium pigments : de en
  • CA344472A - Structural element : en fr
  • CA344553A - Electric cut-out : en fr
  • FR770367A - Adjustable shoe shape : en fr
  • GB416275A - Improvements in and relating to a device for closuring bottles or the like : en
  • US1972929A - Apparatus for coking solid carbonizable materials : en
  • AU1661834A - Pulsator for milking machines : en
  • US1973395A - Nut cracking machine : en
  • US1973049A - Piston bugle : en
  • US1973154A - Tag stringing machine : en
  • USD93282S - Design for a golf game board or : en
  • CH171749A - Music box musical mechanism. : de en
  • USD93290S - Design for a curtain or the like : en
  • CA344600A - Leer feeder : en fr
  • AT138705B - Arrangement for applying voltages to the anode grids in ion valves with several anodes. : de en
  • AT138654B - Device for connecting wooden masts with concrete mast feet and similarly shaped parts using wire wraps : de en
  • US1973019A - Electric motor compressor : en
  • US1973336A - Hair waving apparatus : en
  • US1973413A - Display carrier and holder : en
  • US1973524A - Naphtha gasifier or vaporizer : en
  • CH171779A - Welding for aluminum and method of manufacturing the same. : en fr
  • DE602675C - Device for pressing the bottle on hand bottle fillers : de en
  • DE602721C - Rotating shears for several rolling veins in motion : de en
  • DE602747C - Process for refining liquid hydrocarbons : de en
  • US1972874A - Carbureting system : en
  • US1973179A - Processing table : en
  • US1973150A - Hydraulic machine tool : en
  • US1973283A - Bag : en
  • CA344620A - Sewing machine : en fr
  • CH171940A - Electric water heater. : de en
  • CH171944A - Device for loading the creel on winding machines. : de en
  • US1972939A - Arc lamp : en
  • AT138720B - Dice cutting machine. : de en
  • US1973206A - Sorting apparatus : en
  • US1972947A - Socket moving device : en
  • US1973605A - Method and apparatus for transferring vehicles : en
  • CA344549A - Electric converting apparatus : en fr
  • US1973126A - Folding oxford eyeglasses : en
  • CA344477A - Transmission control mechanism : en fr
  • CH171635A - Wall cladding for industrial ovens, in particular for tunnel ovens. : de en
  • CA344505A - Flat-iron steam developing device : en fr
  • CH171816A - Cooling water reservoir on internal combustion engines. : de en
  • CH171799A - Transmission gear. : de en
  • CH171878A - Device for aligning the sections of paper webs lying on top of one another in check registers. : de en
  • CH171952A - Process for the preparation of an acidic dye of the anthraquinone series. : de en
  • ES135164A1 - A device to absorb mechanical work without producing heat, electrical energy or movement of fluids coupled to motors of all kinds. : en es
  • ES135178A1 - An olive pomace drying apparatus. : en es
  • CA344609A - Lubricating oil extraction : en fr
  • CA344624A - Briquette manufacture : en fr
  • CH171957A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • FR770550A - New device regulating the opening of panels, frames or opening covers, of all kinds : en fr
  • GB416189A - Improvements in advertising or display devices : en
  • US1972889A - Method and apparatus for determining distances : en
  • US1972896A - Smoker's utensil : en
  • US1973069A - Fluorination of aliphatic compounds : en
  • US1973308A - Combined lifting jack and tire remover : en
  • US1973466A - Photographic developing solutions : en
  • US1973116A - Refrigerating apparatus : en
  • US1973293A - Radio apparatus : en
  • US1972860A - Marking machine : en
  • US1973450A - Process of reclaiming fibrous materials : en
  • AT138735B - Process for the preservation packaging of raw dough and article manufactured according to the process. : de en
  • CH171702A - Process for making a durable dry dough acidifier. : de en
  • AT138682B - Regulation of machine excitation currents. : de en
  • CH171974A - Process for the preparation of an aqueous solution of the salt of tetramethyldiaminodiphenazthionium chloride with the dye from 1 mole of tetrazo-o-tolidine and 2 moles of 1-amino-8-naphthol-3,6-disulfonic acid. : de en
  • CH171933A - Axle with two-part axle bushing for rail vehicles with inner bearings. : de en
  • GB416181A - Improvements in or in connection with pianos and piano pedals : en
  • US1973152A - Bed lamp and the like : en
  • US1973486A - Pump for liquid fuel and other liquids : en
  • FR770495A - Dental surgery equipment : en fr
  • CH171732A - Process for coating objects in aluminum or aluminum alloys. : en fr
  • USRE19314E - Facsimile-transmission : en
  • US1973381A - Combined tape and thread package : en
  • DE602536C - Ball roller drive for paddle slides : de en
  • AT138681B - Stove screen. : de en
  • DE602658C - Value stamp machine : de en
  • DK49235C - Protective sleeve for avoiding irregular heating of the piston rod in double-acting two-stroke combustion engines. : da en
  • US1972949A - Thermostatic control device for hydraulic shock absorbers : en
  • US1973295A - Treatment of zinciferous material : en
  • CH171701A - Process for the production of a long-life product containing the Bacillus bulgaricus of yoghurt, which can be used as a substitute for fresh yoghurt milk. : de en
  • USD93311S - Design fob a curtain or the like : en
  • CH171806A - Turbo unit for steam. : de en
  • CA344514A - Reducing gear : en fr
  • CA344522A - Foot arch support : en fr
  • CH171966A - A method of making an improved alloy of iron, nickel and at least one other additional component. : en fr
  • US1973234A - Electrical swivel connecter : en
  • US1973582A - Frame : en
  • CA344614A - Shoe sewing machine : en fr
  • US1973223A - Air driven advertising device : en
  • CH171698A - Drying rack for laundry. : de en
  • US1972967A - Airplane safety device : en
  • US1973420A - Loose-leaf holder : en
  • US1973691A - Highway crossing signal system : en
  • DE602729C - Peat press : de en
  • FR770454A - Improvements to electrical signs : en fr
  • US1973170A - Die-cast threaded object : en
  • USD93315S - Design for a police whistle : en
  • AT138670B - Fluid transmission. : de en
  • CA344601A - Condenser mechanism : en fr
  • AT138679B - Electric motor built into a housing. : de en
  • US1973081A - Automatic telephone message receiver and recorder : en
  • US1973251A - Lock : en
  • US1973263A - Method of producing pearlitic cast iron : en
  • US1973645A - Foundation and attic ventilator : en
  • USRE19310E - bohnenblust : en
  • CH171668A - Crown plug. : de en
  • DE602592C - Process for the production of bars, tubes and other profiles provided with a metal coating : de en
  • CH171795A - Interchangeable coupling. : de en
  • CH171669A - Vascular closure. : de en
  • DE602575C - Ski return protection : de en
  • US1973168A - Method of treating sewage : en
  • DE602511C - Flying pendulum speedometer : de en
  • US1973585A - Pump packing : en
  • US1973331A - Means for removing dents from sheet metal surfaces : en
  • CA344536A - Sulphur removal from oil : en fr
  • CA344599A - Moving stairway : en fr
  • CH171958A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • DE602604C - Device for skinning fish : de en
  • US1973299A - Vehicle signal : en
  • FR770249A - New ice cream scoop : en fr
  • US1973397A - Rotary engine : en
  • CH171884A - Transmission device for duplex telegraphy. : de en
  • US1972992A - Bag sewing machine : en
  • US1972998A - Driving and stopping mechanism : en
  • US1973677A - Liquid dispensing apparatus : en
  • DE602492C - Microphone with coal filling : de en
  • GB416289A - Filament holder for incandescent electric lamps : en
  • GB416666A - An improved method of producing photographic dyestuff images : en
  • CA344495A - Vacuum-sealed container : en fr
  • CH171653A - Suspension device, namely for wall clocks, mirrors, pictures and the like. : de en
  • FR770192A - Improvements to boilers : en fr
  • US1973530A - Brooder cage : en
  • US1973216A - Telephone support : en
  • US1973685A - Computing weighing scale : en
  • CH171671A - Winding process of bobbins in artificial silk spinning machines and thread guide mechanism for the realization of the same. : en it
  • AT138740B - Processes and devices for electrothermal reduction, in particular for heterogeneous charging of the starting materials in superimposed layers. : de en
  • CA344475A - Saw mill device : en fr
  • CH171946A - Process for the preparation of a condensation product of the anthracene series. : de en
  • AT138683B - Method and device for television and cinematography in natural colors. : de en
  • US1972976A - Manufacture of rubber footwear : en
  • AT138668B - Locomobile with high pressure water tube boiler. : de en
  • ES135155A3 - Improvements in the construction of trestles for scaffolding. : en es
  • GB416324A - Improvements in or relating to machines for spooling photographic roll films : en
  • AU1684634A - Dyeing chrome leather with base dyestuffs : en
  • CH171765A - Device for testing the conductivity of electrolytes by measuring electrical resistance. : de en
  • CH171887A - Dialer device for the selective calling of telephone subscriber stations for house and office traffic. : de en
  • GB416430A - Improvements in or relating to filters and methods of filtration : en
  • CA344535A - Centrifugal machine runner : en fr
  • AT138747B - Process for the preparation of cyanine dyes. : de en
  • US1972934A - Truck : en
  • US1973211A - Treatment of siliceous materials : en
  • US1973305A - Electric light sign switch : en
  • US1973631A - Hair clipper : en
  • US1973351A - Blood transfusion apparatus : en
  • US1973304A - Drainage fitting : en
  • US1973326A - Valve for brake systems : en
  • CH171699A - Sock. : de en
  • ES135220A1 - Automatic warning for level crossings. : en es
  • CH171736A - Paper intended to receive correspondence or to make envelopes for the latter. : en fr
  • CH171961A - Process for the preparation of a dye. : de en
  • CH171959A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • ES2465Y - Toy tricycle with box. : en es
  • ES2896U - A stopper that tightly closes any type of bottle (Machine-translation by Google Translate, not legally binding) : en es
  • GB416301A - Improvements in or relating to punching and countersinking machines : en
  • CH171817A - Injection pump for internal combustion engines. : de en
  • US1973172A - Process of refining wood rosin : en
  • US1973679A - Vacuum cleaner brush : en
  • DE602717C - Injection carburetor : de en
  • ES135189A1 - A procedure aimed at obtaining an explosive for industrial use. : en es
  • FR770243A - Method and apparatus for the production of seamless chains : en fr
  • GB416325A - Improvements relating to float-controlled valves : en
  • CH171622A - Anchor piece for railway tracks. : en fr
  • FR770416A - Thread guide device for shoe uppers lacing machines : en fr
  • GB416390A - Improvements in or relating to bogies and axle-trucks on vehicles : en
  • CH171911A - Transportable container fitted with a transhipment device. : en fr
  • DK49246C - Device by Iron. : da en
  • CH171787A - Grinding or polishing media with exchangeable grinding or polishing pads. : de en
  • ES2590Y - Hermetic closure for tin cans that constitutes a seal. : en es
  • ES2890U - Nozzle lining for cigarettes. (Machine-translation by Google Translate, not legally binding) : en es
  • GB416362A - Improvements in direction signals as employed on road vehicles : en
  • US1973467A - Garment or ironing press : en
  • US1973158A - Magazine shaving lather brush : en
  • US1973357A - Axminster loom : en
  • US1972918A - Vulcanization accelerator and process of preparing the same : en
  • US1972962A - Constant level apparatus : en
  • US1973016A - Hot air furnace : en
  • US1973257A - Heater and brooder stove : en
  • US1973572A - Box cover fastener : en
  • US1973192A - Calculating apparatus : en
  • US1973233A - Air conditioning device : en
  • US1973456A - Oil burner : en
  • US1973461A - Weather strip : en
  • CA344558A - Steam radiator : en fr
  • CA344568A - Container closure : en fr
  • CH171666A - Pocket brush. : de en
  • FR770409A - Continuous heat treatment furnace : en fr
  • GB416103A - Improvements in or relating to the manufacture of coal tar : en
  • CH171704A - Continuously operating device for sterilizing sweet must and other fruit juices, especially for household use. : de en
  • CH171759A - Ignition setting machine with device to identify incorrect settings. : de en
  • CH171977A - Process for the preparation of 1-m-oxyphenyl-2-N-methylaminoethanol-1. : de en
  • CH171655A - Carpet, especially door template. : de en
  • US1972919A - Device for holding sheets and bedclothes in place : en
  • US1973469A - Automatic control for photographic printing exposures : en
  • US1973676A - Color-stabilized mineral oil : en
  • CA344596A - Ice cream container : en fr
  • US1973036A - Typewriting machine : en
  • US1973362A - Carburetor : en
  • US1973681A - Industrial truck : en
  • CH171621A - Chimney with attachment. : de en
  • FR770447A - Application of a coin counter to t devices. s. f. to make auditions pay : en fr
  • AT138746B - Method and device for developing goods printed with vat dyes. : de en
  • GB416228A - Process for the production of alloys poor in oxygen : en
  • US1973226A - Antislipping shoe for ladders : en
  • AT138726B - Chair. : de en
  • CA344571A - Steel processing : en fr
  • GB416088A - Improvements relating to dynamos for train lighting installations : en
  • AT138738B - Process for the production of artificial textile structures and such artificial textile structures. : de en
  • CA344557A - Vibration measuring apparatus : en fr
  • CH171960A - Process for the preparation of a dye. : de en
  • GB416251A - Improvements in and connected with the casting of dental parts of metal : en
  • ES135208A1 - A new hot air vulcanization machine : en es
  • ES2849U - Bathroom and travel toilet case (Machine-translation by Google Translate, not legally binding) : en es
  • ES134937A1 - A mechanical furnace to regenerate bleached vegetal coals. : en es
  • ES2844U - Stopper of two different performances for bottles or bottles of glass, half glass or porcelain. (Machine-translation by Google Translate, not legally binding) : en es
  • DK49249C - Method and device for generating ultra-short waves by periodic exposure of several conductors by electron oscillations between them. : da en
  • ES2859U - Device to make hollow churros. (Machine-translation by Google Translate, not legally binding) : en es
  • US1973320A - Antiknock composition : en
  • US1973672A - Green corn knife : en
  • FR770223A - Process for obtaining synthetic alcohols from gas mixtures : en fr
  • AU1659634A - Improvements in and relating to hydraulic couplings : en
  • CH171762A - Measuring instrument with single or multiple display devices, in particular for measuring pressure and temperature. : de en
  • US1973580A - Frame : en
  • FR770154A - Process for the preparation of ethylidene diacetate and vinyl acetate : en fr
  • FR770384A - Improvement to shoes of the so-called braided and cutter type to obtain this result : en fr
  • FR770473A - Improvements to synchronizing clutches for transmissions : en fr
  • GB416224A - Improvements in or relating to engraving : en
  • CH171643A - Process for improving the fuel efficiency in furnaces for solid fuels and equipment for carrying out the process. : de en
  • CH171829A - Connection device for electrical appliances with protective earthing. : de en
  • AT138657B - Process for the production of fancy threads. : de en
  • FR770453A - Ball-throwing device for billiards and similar applications : en fr
  • AT138680B - Power converter. : de en
  • US1973112A - Method of forming steel wheels : en
  • US1973600A - Damper : en
  • DE602776C - Electric floor polisher : de en
  • CH171979A - Process for the preparation of a barbituric acid derivative. : de en
  • CA344576A - Cream whipping apparatus : en fr
  • CA344585A - Separable fastener : en fr
  • US1973235A - Apparatus for removing waste oil : en
  • CH171805A - Suction device on rotary pumps that are not self-priming, such as centrifugal pumps with an auxiliary pump driven by a common drive and working to form a liquid ring. : de en
  • DE602502C - Umbrella with stick standing outside the center after being stretched : de en
  • ES134734A1 - An improvement in the manufacture of spiral filaments, consisting of small crystals, for incandescent lamps. : en es
  • NL34691C - : en
  • US1973241A - Dispensing apparatus : en
  • FR770273A - Improvements to rotary machines, pumps, fans, compressors, etc. : en fr
  • FR770438A - Flat knitting machine : en fr
  • GB416420A - Improvements in or relating to the production of articles or work-pieces, the surface of which is wear-resisting and the core of which is tough : en
  • DE602642C - Device for straightening medium and heavy plates : de en
  • FR770278A - Stone burier mounted on the plow and ensuring the regular distribution of manure in the furrows : en fr
  • USD93283S - Design for a pair of spectacles : en
  • GB416182A - Improvements in or relating to gauges for gauging the thickness of non-magnetic material : en
  • GB416570A - Improvements relating to coin mechanism for gas and electricity meters and the like : en
  • FR770168A - Watertight closing for doors and windows : en fr
  • FR770541A - Welded box-shaped frame for internal combustion engines : en fr
  • DE602782C - Shares for potato harvesters : de en
  • DE602529C - Device for the graphic representation of the course of play in chess games : de en
  • ES2866U - Double contact electric current switch. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770206A - Paper and metal canister for oil : en fr
  • GB416234A - Improvements in and relating to stitch adjusting mechanism for sewing machines : en
  • FR770434A - Grinding machine : en fr
  • GB416071A - Improvements in and connected with draw stops, stop keys, pistons and like control devices for musical instruments : en
  • ES134517A2 - IMPROVEMENT IN THE MAIN PATENT : en es
  • GB416459A - Improvements in or relating to the transmission of line signals to a moving train : en
  • FR770398A - Repeating Dromo-firecracker : en fr
  • GB416198A - An improved photographic film having an antihalation layer : en
  • ES2898U - Invisible retainer to keep the moving leaf of a window fixed in any position. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770540A - System of measurements to compare and correct if necessary neighboring periodic movements : en fr
  • GB416207A - Improvements in or relating to boots, more particularly for sporting purposes : en
  • FR770359A - Phosphate and nitric fertilizer based on dephosphorization slag and its manufacturing process : en fr
  • FR770479A - Induction device : en fr
  • DE602485C - Track extension with iron extension frame and cladding : de en
  • FR770283A - Machine for counting and rolling parts mechanically : en fr
  • FR770458A - Holy water dispenser, more particularly intended for households : en fr
  • GB416260A - Improvements in and relating to cop doffing and tube donning mechanism for cop winding machines : en
  • FR770263A - Method of regulating discharges in a gas or vapor atmosphere : en fr
  • DE602636C - Flow meter, especially for gases or vapors : de en
  • DE602664C - Drill chuck with clamping jaws resting against the conical surface of a clamping sleeve : de en
  • US1972894A - Automatic golf tee : en
  • US1972902A - Apparatus for handling strip material : en
  • US1973000A - Rubber like masses from butadiene hydrocarbons and polymerizable nitriles : en
  • US1973493A - Process for manufacturing plastic compositions : en
  • US1973596A - Capstan for wire drawing machines : en
  • FR770388A - Compressed air piston switch : en fr
  • FR770333A - Device for hanging clothes in suitcases and clothes racks : en fr
  • GB416585A - Improvements in and relating to revolving tipplers for discharging colliery tubs andthe like : en
  • FR770502A - Process and product for plant protection : en fr
  • ES135059A1 - A process for the treatment of hydrocarbon oils. : en es
  • FR770331A - : fr
  • GB416248A - Improvements in or relating to vibratory pads : en
  • US1973105A - Shoe : en
  • US1973275A - Automatic parking meter : en
  • US1973519A - Change speed mechanism : en
  • US1973629A - Method of manufacturing electrical heating bars : en
  • DE602542C - Surface condenser of a turbo generator with an air cooler built into the water chamber for the generator air : de en
  • AT138673B - Fluid transmission. : de en
  • AT138729B - Electric welding device for wires, in particular for welding wire waste. : de en
  • CH171984A - Process for the preparation of an azo compound. : de en
  • US1973481A - Wiper carrying arm : en
  • US1972932A - Apparatus for treating gases : en
  • US1973133A - Machine for cutting spiral bevel gears : en
  • CA344579A - Steam heating system : en fr
  • CH171676A - Cross-winding machine with grooved drum and upstream thread guide. : de en
  • US1972911A - Worm gear reduction unit : en
  • US1973462A - Photographic emulsion containing thiazolocarbocyaning dyes : en
  • US1973118A - Manufacture of lubricating oil : en
  • DE602444C - Process for the heat treatment of liquid hydrocarbons : de en
  • US1973342A - Electrical condenser : en
  • US1973031A - Machine for drawing and twisting tubes : en
  • US1973285A - Grass shears : en
  • CH171893A - Folding frame for flags and the like. : en fr
  • CA344542A - Electric discharge device : en fr
  • CH171879A - Device for counting and controlling money. : en fr
  • DE602569C - Process for the production of the member of a gear pair produced by rolling, the associated member of which is cut without rolling : de en
  • FR770267A - Steam production plant : en fr
  • CA344530A - Colouring coating : en fr
  • CA344578A - Display stand : en fr
  • AT138745B - Process for boiling or boiling vegetable fibers. : de en
  • AU1729234A - Improvements in the manufacture of cement : en
  • US1973090A - Electromagnetic switching device : en
  • US1973125A - Adjustable nose-guard structure for folding oxford eyeglasses : en
  • US1973574A - Process for manufacturing and recovering glutamic acid : en
  • US1973655A - Stop motion for looms : en
  • AU1640034A - Citrus fruit squeezer : en
  • CH171776A - Synchronous electric motor, especially for clocks. : en fr
  • CA344482A - Bottle filling and capping machine : en fr
  • ES2903U - Brush for cleaning the teeth. (Machine-translation by Google Translate, not legally binding) : en es
  • SE81413C1 - : sv
  • US1973007A - High wing aeroplane : en
  • CH171923A - Wagon wheel with a hollow rubber tire with a support ring and ventilation ducts. : de en
  • US1973393A - Switching mechanism : en
  • US1973595A - Two-way telephone system : en
  • CA344604A - Egg carton : en fr
  • CA344499A - Fluid pressure valve : en fr
  • CA344575A - Electrical sliding contact : en fr
  • US1973372A - Freight container : en
  • US1973215A - Injector : en
  • CH171890A - Piezoelectric oscillator or resonator with a disk-shaped quartz body. : de en
  • US1973084A - Food product and process of making : en
  • US1973333A - Hardness tester : en
  • DE602298C - Control device for a fluid transmission, in particular for driving motor vehicles : de en
  • CH171904A - Adjustable headrest with parasol for beach and sun bathing. : de en
  • CA344598A - Electrode cooling jacket : en fr
  • US1972878A - Seaming head : en
  • FR770241A - Assembly for synchronizing an oscillation generator : en fr
  • FR770290A - Seal ring, ready for installation, for rotary shafts and other similar components : en fr
  • FR770511A - Arcing device for use with static arc converters : en fr
  • DE602504C - Hot water heating system with circulation pump : de en
  • FR770203A - Process for preparing resinous products from polybasic acids and polyvalent alcohols : en fr
  • GB416419A - Improvements relating to gramophones : en
  • GB416287A - A machine for use in the crushing, piercing and mixing of metallic containers, tinplates or terne or lead coated plates or strips or the like : en
  • FR770321A - Luminous advertising device : en fr
  • CA344471A - Automobile door lock : en fr
  • DE601885C - Process for the production of synthetic wood from plant fibers or the like and water glass : de en
  • DE602546C - Device for displaying, registering and counting the peak values of the consumption of flowing media : de en
  • GB416480A - Method of and apparatus for lubricating axle bearings : en
  • US1972910A - Copying and engraving machine : en
  • DE602329C - Typewriter with auxiliary ribbon : de en
  • ES2908U - Cork stopper with safety lock for bottles of carbonated drinks. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770229A - Beam drive mode for single wire chain straighteners : en fr
  • GB416249A - Improvements in and relating to rims or felloes for the wheels of bicycles and similar vehicles : en
  • DE602781C - Electric hand dryer : de en
  • GB416323A - Improvements in and relating to carburettors for internal combustion engines : en
  • DE602712C - Chair with seat resting on two springy supports of the base : de en
  • US1972964A - Communication system : en
  • US1973182A - Heat releasable drainage means : en
  • ES135144A3 - A procedure for stamping waterproof sheets. : en es
  • GB416190A - Improvements in mascots for vehicles : en
  • ES135184A1 - IMPROVED CONNECTIONS FOR RECEIVING TELEVISION THROUGH BRAUN TUBES : en es
  • FR770360A - Angular coupling device between two mechanical parts for all applications, but more especially applicable to tightening tools : en fr
  • ES2851U - Esmalturas for construction of chocolates in the form of stuche (Machine-translation by Google Translate, not legally binding) : en es
  • DE602524C - Device for making the outlines of a vehicle, especially a motor vehicle, recognizable by means of lighting : de en
  • ES135004A1 - A footwear manufacturing press with vulcanized rubber outsole : en es
  • FR770219A - Improvements to postal letter cards : en fr
  • GB416306A - Improvements in signalling apparatus for the control of traffic : en
  • US1972936A - Treatment of hydrocarbon oils : en
  • CA344627A - Oxygenated organic compound : en fr
  • NL33516C - : en
  • AT138672B - Feed water purifiers and degassers for steam boilers. : de en
  • CA344546A - Cemented columbium carbide : en fr
  • CH171937A - Device for operating vehicles using brushless motors, which are fed and regulated via controllable ion valve cells with a fixed hot cathode. : de en
  • CA344511A - Mulling machine : en fr
  • CA344526A - Aluminium base alloy : en fr
  • ES135228A1 - Improvements in electronic radiation tubes with gas charge for television applications : en es
  • CA344562A - Manifold carbon copy device : en fr
  • CH171714A - Process for the extraction of magnesia from dolomite. : de en
  • CH171919A - Frame for attaching snowshoes to automobiles. : de en
  • US1973414A - Apparatus for detecting in and eliminating from matter foreign substances of high magnetic permeability : en
  • US1973583A - Frame : en
  • CA344502A - Barrage plate mechanism : en fr
  • US1973195A - Sandwich making machine : en
  • GB416235A - Improvements relating to trousers, boys' knickerbockers and like garments : en
  • GB416778A - New azo dyes and application thereof : en
  • DK49259C - Transportable electrical appliance with an attached cord end plug or plug or similar for the fitting of such cord. : da en
  • ES135015A3 - Procedure for producing porous rubber objects. : en es
  • GB416252A - Process for the production of chlorinated rubber : en
  • US1972988A - Quinoline-b-azo compounds of the : en
  • CA344521A - Mining method : en fr
  • US1972905A - Coating composition and method of making the same : en
  • US1973500A - Treatment of hydrocarbon oils : en
  • AT138698B - Light control device, in particular for remote cinema and television receiver projectors. : de en
  • US1973432A - Cushioning of the handle of compressed air hammers : en
  • US1972966A - Electric motor : en
  • US1972987A - Reversible motor : en
  • US1973281A - Process of making vegetable product : en
  • US1973437A - A kottmann : en
  • CH171793A - Crankshaft with balancing counterweights. : en fr
  • DE602770C - Device for grid control in inverters working with grid-controlled vapor or gas discharge vessels : de en
  • US1973274A - Method of mixing paint or the like : en
  • CH171781A - Connector for wires and other parts to be connected to a second part. : de en
  • CH171912A - Device on the slide to reduce the driving speed and the skidding movements, as well as for control. : de en
  • US1973325A - Feeding and emptying device for reservoirs : en
  • AT138744B - Process for the aftertreatment of acid-free washed, dried and twisted rayon. : de en
  • US1972942A - Method of producing panel having a charred face : en
  • US1973337A - Clock system : en
  • GB416085A - Improvements in or relating to fire extinguishers and fire alarms : en
  • AT138750B - Process for the continuous preparation of acetic anhydride. : de en
  • CA344489A - Heating apparatus : en fr
  • AT138697B - Switching device. : de en
  • FR770179A - Improvement of a process for the production of formaldehyde from methane : en fr
  • GB416267A - Improvements relating to advertising devices having one or more moving parts : en
  • GB416572A - Improvements in the puriflcation of copper : en
  • CH171650A - Shoe buck. : de en
  • CH171721A - Process for the preparation of di- (oxyethyl) -aminonitroarylene. : de en
  • DE602681C - Spiral chute for the downward conveyance of bulk goods with delay devices : de en
  • FR770259A - Metal plate or iron plate for coatings : en fr
  • GB416082A - Improvements relating to apparatus for drying and heating slurry-like materials : en
  • GB416162A - Improvements in and relating to operating systems for windshield wipers and other pneumatically operated automobile accessories : en
  • AT138730B - Bread slicer. : de en
  • US1973272A - Fire alarm : en
  • CH171900A - Walking stick convertible into a backrest intended for sitting on the floor. : de en
  • CH171768A - Multiplication machine controlled by punch cards. : de en
  • CH171820A - Refrigeration system working with accumulation, especially for artificial ice rinks. : de en
  • ES135244A3 - A remote level indicator device for steam boilers. : en es
  • FR770489A - System and device for determining the exact speed of movement of records in phonographic apparatus : en fr
  • AT138733B - High frequency induction furnace. : de en
  • US1973006A - Electron discharge device : en
  • US1973198A - Massage apparatus : en
  • US1973521A - Clothes rack : en
  • US1973606A - Cathode ray apparatus : en
  • AT138732B - Procedure for making the glasses colored with the rare earth oxides red. : de en
  • CH171682A - Spreaders for weaving machines. : de en
  • DE602564C - Gas cashier with released and wound clockwork after coin insertion and a shut-off valve controlled by this : de en
  • FR770277A - Control for devices for making a clean cut in continuous webs of paper or other materials : en fr
  • CH171692A - Braiding machine for making braids with a periodically changing braiding character. : de en
  • CH171846A - Device for deleting short circuits in direct current networks that are fed by a vacuum discharge device. : de en
  • US1972996A - Shot shell and process of making same : en
  • US1973132A - Explosionproof lamp : en
  • CH171610A - Auxiliary device on mowing machines, in particular for mowing grain. : de en
  • CH171629A - Heater tube. : en fr
  • GB416444A - Fluid-operated power actuator : en
  • CA344497A - Stocking : en fr
  • CH171809A - Control device for internal combustion engines, in particular for vehicle drive motors. : de en
  • CH171836A - Method for controlling in multi-phase remote control systems and remote control system for carrying out the method. : de en
  • DE602521C - Epicyclic gears, especially for motor vehicles : de en
  • US1973406A - Cup making machine : en
  • US1973429A - Rail joint grinder : en
  • US1973149A - Fuel grate section for heaters : en
  • ES2843U - Sound boxes for radio apparatus (Machine-translation by Google Translate, not legally binding) : en es
  • GB416173A - Improvements in centrifugal pumps : en
  • GB416282A - Improvements in boring tools for stone and like materials : en
  • US1973072A - Cover for cooking tops : en
  • US1973637A - Process of utilizing fibrous materials : en
  • US1972898A - Process of making combustible gas : en
  • US1973056A - Portable power driven fender tool : en
  • US1973409A - Shop power tool : en
  • ES135030A1 - Improvements in the manufacture of canvas shoes and similar. : en es
  • ES2865U - Folding chairs. (Machine-translation by Google Translate, not legally binding) : en es
  • DK49248C - Apparatus for the combustion of liquid fuels. : da en
  • DE594799C - Valve drive equipped with limit switch : de en
  • US1973020A - Mail box : en
  • US1973300A - Purifying zinc sulphate solutions : en
  • US1973538A - Protective equipment for electrical apparatus : en
  • GB416356A - Improvements in braking systems for moving apparatus such as hoisting, winding, hauling and like gear : en
  • GB416303A - Improvements relating to devices for protecting the eyes against glare : en
  • GB416393A - Improvements in tubes or casings for cables transmitting mechanical power : en
  • GB416229A - Improved plug fitting for drain water compartments for wringers : en
  • CH171945A - Laundry centrifuge. : de en
  • DE602724C - Suspension for motor vehicles : de en
  • DE602773C - Resistance tablet for electric light bulbs to be attached to the center contact of the base : de en
  • FR770396A - Advertising device : en fr
  • US1973029A - Animal house : en
  • GB416102A - Improvements in and relating to methods of and means for coating bodies with fibrous material : en
  • DE602562C - Switchgear for cash registers, accounting and similar machines : de en
  • DE602588C - Double chainstitch gripper device for support arm sewing machines : de en
  • DK49243C - Skin protector for women's garters. : da en
  • FR770301A - Improvements to mine cartridges : en fr
  • CH171612A - Fruit mill. : de en
  • DE602599C - Arrangement for the extraction of emanation-containing air according to : de en
  • DE602649C - Switch with arc extinguishing by flowing compressed gas : de en
  • DK49232C - Apparatus for applying adhesive to strips of paper, labels and the like. : da en
  • FR770152A - Combination cooker and heater : en fr
  • DE602561C - Procedure for determining the gas content of condensed water : de en
  • CA344611A - Telegraph keyboard apparatus : en fr
  • CH171683A - Sley. : de en
  • FR770202A - Improvements in the destructive hydrogenation of carbonaceous materials and in the recovery of oils from the residues of these treatments : en fr
  • FR770437A - Printing process using mordant dyes : en fr
  • GB416406A - Improvements in and relating to ratchet or like devices : en
  • FR770528A - Device with rotating drum for storing mines on board submarines and their anchoring : en fr
  • US1973573A - Screw propeller : en
  • FR770257A - Improvements to polycylindrical internal combustion engines : en fr
  • DK49258C - Method for the manufacture of tubular articles of iron, steel or other metal alloys or of metal. : da en
  • ES135233A1 - A process for manufacturing footwear for moisture, such as tunnels, clogs and the like, in aluminum and its alloys with other metals. : en es
  • GB416097A - Improvements in or relating to filtering or straining apparatus : en
  • DK49240C - Method for Manufacturing Reinforced Concrete Structures. : da en
  • USD93302S - Design for a bottle : en
  • US1973039A - Electrical condenser : en
  • USD93309S - Design fok a hat holding device : en
  • FR770232A - Process for the production of rubber balloons : en fr
  • FR770526A - Double-skinned plywood door internally laminated and ventilated : en fr
  • FR770151A - Toilet rack : en fr
  • CA344572A - Steel processing : en fr
  • CH171717A - Process for the preparation of diacetyldiphenolisatin. : de en
  • US1973656A - Multiple-way cock for use in the pneumatic control of change-speed gears : en
  • US1973688A - Glass melting furnace : en
  • ES135024A1 - A heavy oil classifier burner with reheaters. : en es
  • FR770419A - Improvements to basoule seats : en fr
  • US1973086A - Lighting fixture : en
  • CH171673A - Electrically driven twisting spindle. : de en
  • CH171875A - Foam generator. : de en
  • CH171985A - Carrying device for hose lines. : de en
  • DE602718C - Carburetor : de en
  • DE602652C - Preservative and process for its preparation : de en
  • ES135029A3 - Improvements in the manufacture of tubes formed by sheets of cement and fibers. : en es
  • ES135199A1 - An automatic change of speed. : en es
  • ES135225A2 - A THERMAL RELAY OF COMPENSATED ACTION : en es
  • ES2842U - Mechanical pencil. (Machine-translation by Google Translate, not legally binding) : en es
  • ES2853U - A new capachoo briefcase (Machine-translation by Google Translate, not legally binding) : en es
  • GB416360A - Knife-blade and like sharpeners : en
  • DE602723C - Guide device for the wearer of the running shoes of caterpillars for motor vehicles with pairs of supporting rollers resting on the inner guide rail : de en
  • FR770490A - High voltage cable with impregnated paper insulation and oil impermeable jacket surrounding the impregnated paper insulation : en fr
  • GB416128A - Improvements in or relating to the manufacture of cigarettes : en
  • FR770275A - Grill : en fr
  • FR770435A - Fire lighters : en fr
  • FR770176A - Improvements in aircraft construction : en fr
  • GB416148A - Improvements in or relating to footholds : en
  • DE602761C - Standing steam boiler : de en
  • CA344508A - Wheeled toy : en fr
  • FR770414A - Improvements to photographic emulsions for printing : en fr
  • CH171877A - Mouthpiece for gas masks. : en fr
  • DE602591C - Cooling bed with several runners : de en
  • US1973005A - Conveyer mechanism : en
  • GB416316A - Improvements in or relating to the hardening of iron and steel : en
  • US1972948A - Hydrogenation of oils : en
  • US1973343A - Ski : en
  • US1973575A - Road band : en
  • US1973616A - Sign : en
  • USD93281S - Design for a chest of drawers : en
  • FR770350A - Tank dye and its manufacturing process : en fr
  • CH171664A - Radiators for cooking purposes. : de en
  • AT138665B - Method for the production of containers from cardboard or the like. : de en
  • CH171873A - Process for the sterilization of catgut. : de en
  • US1973447A - Dish cover : en
  • US1973129A - Boiler : en
  • AU1676034A - Rubberized fabric and its manufacture : en
  • CH171628A - Containers, in particular expansion vessels for central heating. : de en
  • DE602618C - Injector for high pressures : de en
  • CA344550A - Electrical regulator control : en fr
  • CH171868A - Process for the preparation of a mixture of amino acids. : de en
  • AT138714B - Support bearing for curtain rods etc. like : de en
  • CH171839A - Push-button switch with automatic release, especially tariff monitor. : de en
  • FR770170A - Electrical pin contact : en fr
  • GB416294A - Ferrule contracting tool : en
  • FR770211A - Valve providing air compression from the compression chamber of an engine : en fr
  • FR770286A - Plug-in connection for power lines, cables, switching devices and similar applications : en fr
  • US1972960A - Production and use of anthracene dyes : en
  • US1973060A - Variable characteristic relay : en
  • US1973252A - Switch contact arc extinguishing means : en
  • US1973597A - Surfacing machine : en
  • DE602543C - Deionization device : de en
  • DE602580C - Conveyor device with conveyor screw and blower flow for ventilating the material to be conveyed at a point located behind the screw in the conveying direction : de en
  • US1973317A - Container : en
  • ES2905U - A new ink bottle (Machine-translation by Google Translate, not legally binding) : en es
  • FR770295A - Junction device for the primary circuit of current transformers of the loop winding type : en fr
  • FR770370A - Mechanically calling automatic telephone device : en fr
  • US1973441A - Hard alloys : en
  • FR770266A - Improvements made to sanitary appliances, such as sinks, etc. : en fr
  • FR770389A - Tangential-acting combustion or combustion engine : en fr
  • US1973323A - Stuffing box : en
  • US1973475A - Oxidized motor fuel : en
  • CA344591A - Cast iron pipe : en fr
  • CH171901A - Purse. : de en
  • US1973422A - Hard metal composition : en
  • AT138693B - DC generator for constant current. : de en
  • US1973639A - Sewing machine : en
  • ES135213A3 - A ten-key calculating machine. : en es
  • ES135230A1 - A procedure to waterproof the wool. : en es
  • ES2857U - Folding bed for field. (Machine-translation by Google Translate, not legally binding) : en es
  • ES2511Y - Wicker armchair or similar material. : en es
  • US1972972A - Color photograph and method of producing same : en
  • US1973273A - Separable unit cooking apparatus : en
  • GB416451A - Improvements in the construction of vehicle bodies : en
  • GB416118A - Improvements in the manner of and means for attaching hose to connections, coupling members, and such like : en
  • CH171908A - Tin packing can. : de en
  • US1972984A - Record controlled machine : en
  • GB416231A - Method of and apparatus for transferring thread ends from one rotating reel to another : en
  • GB416399A - Improved transportable pumping apparatus : en
  • GB416302A - Improvements in high-frequency coupling elements : en
  • GB416331A - Improvements in or relating to variable planetary speed gears : en
  • CA344541A - Keg : en fr
  • CA344622A - Speed gear : en fr
  • AU1240433A - Improved electric heater for water andother liquids : en
  • CH171906A - Non-detachable lead seal for the secure sealing of envelopes, shipping packages, railroad cars and the like. : de en
  • GB416466A - Improvements relating to the protective coating of pipes particularly for marine use : en
  • US1973114A - Wrapper for rugs or the like : en
  • USD93287S - Design for candy : en
  • US1973427A - Tower footing : en
  • CH171751A - Deck chair made with skis. : de en
  • US1972886A - Spring suspension for vehicles : en
  • US1973366A - Windshield wiper : en
  • US1973667A - Coiling of springs : en
  • USD93267S - Design for a sled : en
  • FR770501A - Seal for high pressure pipes : en fr
  • GB416195A - Improvements in and relating to electric switch sockets : en
  • CH171616A - Cattle drinking bowl. : de en
  • AT138696B - Differential protection circuit for parallel lines. : de en
  • GB416076A - Improvements in and relating to abrading wheels : en
  • CA344570A - Locomotive booster motor : en fr
  • FR770242A - Method and apparatus for vertical drawing of sheet glass : en fr
  • FR770200A - Dispensing tap or cinnamon : en fr
  • GB416850A - Improvements relating to drive mechanism for furnaces of the conveyorbelt type : en
  • US1973327A - Dishwashing device : en
  • USD93288S - Design fob a dish : en
  • CH171981A - Process for the preparation of a barbituric acid derivative. : de en
  • AU1732234A - Manufacture of patterned felt fabrics : en
  • CH171840A - AC switch with arc extinguishing by flowing compressed gas or steam. : de en
  • GB416086A - Improvements relating to direction indicators for use on motor vehicles : en
  • GB416383A - Improvements in or relating to highway lighting : en
  • US1972906A - Necktie : en
  • CH171659A - Hospital table. : de en
  • DE602614C - Wood grinder with several individual presses : de en
  • FR770344A - Brick or composite refractory element for combustion chambers and other fireplaces : en fr
  • GB416240A - Improvements in or relating to rotary internal combustion engines : en
  • CH171857A - Lighting device for showcases. : de en
  • USD93286S - Design fob a bottle : en
  • CH171796A - Pipe connection. : de en
  • US1973425A - Rolling mill housing and method of constructing the same : en
  • US1972887A - Method of purification of alcoholic mixtures : en
  • US1973417A - Garden tool : en
  • USD93273S - Design for a shoe : en
  • CH171899A - Watch holder easel. : en fr
  • US1973363A - Speed controlling device for web rolls : en
  • DK49245C - Machine for Pulling and Rolling Crepe Paper. : da en
  • FR770520A - Improvements to automatic telephone systems : en fr
  • US1973048A - Tractor : en
  • US1973134A - Cutter for forming spiral bevel gears : en
  • US1973330A - Ear screen or guard : en
  • US1973505A - Power driven pipe wrapping and coating machine : en
  • GB416119A - Process for casting metal articles centrifugally : en
  • GB416281A - Improvements in or relating to means for varying the cylinder clearance of compression-ignition oil engines : en
  • GB416490A - Improvements in or relating to apparatus for the extraction or distillation of volatile products and oils from coal, peat, lignite and other solid fuels : en
  • US1972978A - One revolution clutch : en
  • US1973630A - Switch : en
  • CH171662A - Equipment set that can be used as required to assemble a steam cooker or a baking device. : de en
  • FR770225A - Method and device for introducing pulverized or granulated masses, for example activated carbon, into rapid sand filters, with jet washing device : en fr
  • DE602731C - Apron conveyor rotating on a track : de en
  • GB416127A - Improvements in chucking mechanism : en
  • US1973509A - Expansive fluid turbine : en
  • CH171956A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • US1973155A - Sterilizing tray : en
  • US1972979A - Motor starter : en
  • US1972961A - Disinfectant : en
  • AT138669B - Rotating internal combustion engine. : de en
  • FR770163A - Pectin-based product for the preparation of food and its manufacturing process : en fr
  • CH171767A - Adding machine. : de en
  • CA344555A - Refrigerant : en fr
  • CA344595A - Heating convector : en fr
  • DE602620C - Machine system for propelling submarines : de en
  • ES134484A1 - Improvements introduced in the manufacture of carburetors for internal combustion engines. : en es
  • ES135216A1 - MODE OF ELIMINATION OF PARASITES IN THE RADIO-ELECTRIC RECEPTION : en es
  • AU1418333A - Improvements in or relating to scanning apparatus for use in television picture telegraph and like systems : en
  • CA344581A - Hay container : en fr
  • CH171688A - Sewing machine. : de en
  • FR770422A - Process for the preparation of a concentration of substances giving the baudouin reaction : en fr
  • US1973166A - Window screen for automobiles : en
  • US1973499A - Treatment of hydrocarbon oils : en
  • AT138675B - Alternator with interrupter and self-adjuster for a battery ignition. : de en
  • AT138678B - Anode protection sleeves with built-in components for vapor discharge vessels. : de en
  • CA344559A - Pneumatic horn : en fr
  • AT138651B - Hollow stone. : de en
  • CH171872A - Process for the preparation of a hydantoin derivative. : de en
  • US1973122A - Welding apparatus : en
  • US1972884A - Recovery of sulphur : en
  • US1973269A - Plate and pan lifter : en
  • FR770525A - Vehicle without chassis for transporting liquids and solid goods : en fr
  • US1973033A - Ice tray : en
  • USD93319S - Design fob a lace : en
  • CA344594A - Draft gear : en fr
  • US1973503A - Variable pitch motion picture film sprocket : en
  • US1973576A - Variable speed transmission : en
  • CH171639A - Door and window fish tape. : de en
  • US1973287A - Starter mechanism : en
  • US1973531A - Method for treating liquids : en
  • US1973284A - Meat-tendering machine : en
  • DE602611C - Shut-off valve : de en
  • FR770327A - Improvements to variable voltage generators : en fr
  • GB416279A - Improvements in or relating to means for preventing the formation of deposits on shop and like windows : en
  • US1973579A - Locker : en
  • US1972945A - Apparatus for and process of casting metals : en
  • US1973603A - Cycle timer for controlling work circuits : en
  • US1973658A - Tiebar and seal for meter connections : en
  • US1973508A - Profile grinder : en
  • US1973562A - Car loading device : en
  • US1973138A - Feeler mechanism for looms : en
  • US1973268A - Aircraft structure : en
  • USD93298S - Design for a bottle : en
  • ES134780A1 - Advertising device by alternative and bright projection, leaving the time. : en es
  • DE602741C - Cleaning device for vibrating screens : de en
  • US1972864A - Rotary pump : en
  • US1973569A - Surgical instrument : en
  • ES135148A1 - An electrical device to desensitize the cattle before killing them. : en es
  • US1973571A - Cellulose unit : en
  • GB416434A - Improvements relating to clutches for conveying rotary motion : en
  • FR770326A - Process for transforming heat energy into kinetic or potential energy : en fr
  • GB416150A - Improvements in or relating to stand mounts for photographs, postcards and the like : en
  • US1973180A - Pump : en
  • US1973042A - Gyroscopic pendulum : en
  • US1972956A - Method of forming aliphatic derivatives of aromatic compounds : en
  • US1973093A - Griddle greasing fork : en
  • NL33675C - : en
  • GB416163A - Improvements relating to eye-shades : en
  • GB416188A - Improvements in or relating to ham or like boilers : en
  • FR770480A - Device for introducing into the cylinders of the internal combustion engine of motor vehicles the gases recovered in the engine crankcase mixed with water vapor from the radiator : en fr
  • FR770345A - Improvements to intensive arc coals : en fr
  • GB416370A - Improvements in soft pliable metal ribbons : en
  • NL33643C - : en
  • US1972895A - Feeding device : en
  • US1973686A - Fishing reel : en
  • DK49257C - Point Indication Device, won in Bridge. : da en
  • FR770339A - Remote warning of deflation or overpressure of vehicle tires, more particularly of heavy-duty motor vehicles : en fr
  • GB416402A - Presser-foot for sewing machines : en
  • GB416139A - Improvements in gearing for propellers : en
  • GB416720A - Improvements in and relating to television or the like transmission systems : en
  • GB416113A - Foundation garments having elastic and inelastic portions : en
  • ES135017A1 - A manufacturing process for all kinds of footwear. : en es
  • ES135145A1 - A device consisting of a rotary bed plow and mancera, with grating in both directions : en es
  • FR770488A - Protective metal casing for bottles or other fragile objects : en fr
  • DE602665C - Device for leather sewing machines for oiling the workpiece : de en
  • FR770235A - Process for obtaining a water-resistant brightening on fibrous materials : en fr
  • FR770505A - Gripper for handling and carrying railways or other rails : en fr
  • GB416327A - Improvements in needles employed in jacquard and dobby mechanisms of looms for weaving, lace making, hosiery, knitting and similar purposes : en
  • ES2838U - Cut-out plate for the manufacture of six-barbed pitchforks. (Machine-translation by Google Translate, not legally binding) : en es
  • DE602013C - Process for the production of nitrogenous dyes : de en
  • DE602714C - Lifting device for the platform of a pallet truck : de en
  • FR770296A - Device for stitching books, brochures, etc. : en fr
  • DE602615C - Drying device for flat goods, especially for cardboard : de en
  • DE602654C - Device for automatic regulation of the steam supply depending on the outside air temperature to central heating systems : de en
  • FR770448A - Automatic drain : en fr
  • FR770356A - Device for printing background colors for checks, shares and other similar applications : en fr
  • GB416168A - Method of aerating slurries : en
  • GB416377A - Apparatus for playing a table game simulating cricket : en
  • FR770394A - Device used to unclog sinks pipes : en fr
  • FR770391A - Composition intended to improve the impermeability of rubber to gases : en fr
  • GB416432A - Improvements in or relating to appliances for heating, softening or spreading butterand like fatty substances : en
  • USD93264S - Design for a geave vault hood or : en
  • GB416120A - Improvements relating to tubular heat exchange apparatus such as air-cooled radiators : en
  • GB416345A - Improvements relating to collars for personal wear : en
  • ES135231A1 - An improved process for manufacturing liquid oxygen explosives. : en es
  • GB416080A - Improvements in electric heating elements for storage water heaters and the like : en
  • FR770214A - Pencils and inks for luminescent writing : en fr
  • ES135013A1 - An apparatus for taking cinematographic views based on two positions for each movement. : en es
  • DE602568C - Hand device for storing and inserting the bearing steel cone in electricity meters : de en
  • ES135170A1 - Improvements in the manufacture of typescript typewriters. : en es
  • US1973292A - Footwear : en
  • USD93295S - Design for an oil burner casing : en
  • US1973408A - Process of making a fused amorphous ceramic composition : en
  • DE602428C - Time switches, especially for stair lighting : de en
  • CH171976A - Process for the preparation of an organic bismuth compound. : de en
  • GB416136A - Improvements in or relating to tipping gear for vehicle bodies : en
  • GB416160A - Improvements relating to building blocks : en
  • CH171761A - Vacuum gauge. : de en
  • CH171964A - Process for protecting lead against corrosion. : en fr
  • DE602403C - Knitted goods, in particular circular knitted stockings or socks, and methods and machines for their production : de en
  • DE602514C - Friction roller reduction gear : de en
  • CH171797A - Long thread screw connection for pipes and the like. : de en
  • GB416296A - Improvements in or relating to dipole aerials : en
  • FR770497A - Electric Riveter : en fr
  • USD93278S - Design fob a hand mirror ob the like : en
  • GB416407A - Improvements relating to controlling means for change-speed gearing upon motor-vehicles : en
  • DK49250C - Traffic signal with a sector dial divided into sector-colored fields and one with this corresponding pointer. : da en
  • US1972985A - Electric switching device : en
  • DE551019C - Six-roller mill : de en
  • FR770178A - Improvements in materials and processes for the treatment of hides and skins : en fr
  • GB416263A - Improvements in curved arch supports for mine galleries and other underground passages : en
  • DE602582C - Process for desizing of vegetable fibers : de en
  • FR770442A - Improvements to telecommunication cables : en fr
  • FR770530A - Manufacturing process for pipes with attached fins : en fr
  • DE602578C - Driving screw for horizontal and vertical brick extrusion presses with multiple adjustable and exchangeable screw coverings : de en
  • FR770171A - Elastic contact device : en fr
  • FR770382A - Mode of protection of the waterproofing of reliefs on roof terraces protected in horizontal parts by a mobile paving : en fr
  • US1973291A - Liquid cooler : en
  • FR770245A - Method and device for measuring soil resistance : en fr
  • FR770524A - Reversible compartment for empty or full bottles : en fr
  • GB416462A - Improvements in number-printing apparatus : en
  • IE13108L - Electric discharge tubes : en
  • ES2912U - Embroidered, patterned or drawn applications, specially manufactured for the manufacture of brassieres (Machine-translation by Google Translate, not legally binding) : en es
  • FR770358A - New types of pencil guards, pen caps, red stick caps : en fr
  • DE602750C - Process for increasing the creep strength of metallic materials and machine parts : de en
  • GB416079A - Manufacture of rubber having age-resisting properties : en
  • GB416297A - Improvements in independent wheel suspension arrangements for vehicles : en
  • FR770366A - Refrigerating device : en fr
  • GB416347A - Improvements in or relating to fuel injection pumps for internal combustion engines : en
  • FR770236A - Reduction mechanism : en fr
  • GB416394A - Improvements in or relating to pantograph current collectors for electric locomotives and the like : en
  • GB416433A - The manufacture of 1.4-diamino-2-aryloxyanthraquinone-3-sulphonic acids : en
  • GB416245A - Manufacture of 1:4-diaminoanthraquinones : en
  • GB416660A - Method of producing photographic colour images : en
  • GB416107A - New or improved infuser for tea, coffee and the like : en
  • GB416481A - Improvements in or relating to structures adapted for use in aerating devices : en
  • US1973670A - Water motor : en
  • DE602391C - Typewriter, typewriter, etc. Like. With an automatic car elevator : de en
  • DE602625C - Waste pipe consisting of individual pipe sections connected to one another in the manner of a hinge : de en
  • ES134526A2 - IMPROVEMENTS INTRODUCED IN THE PURPOSE OF SAID PATENT : en es
  • GB416431A - Improvements in or relating to display apparatus : en
  • US1973190A - Freezing mechanism : en
  • DE602734C - Mobile frame for apron conveyor : de en
  • US1973191A - Dry material measuring and feeding apparatus : en
  • CH171865A - Double pessary. : de en
  • FR770482A - Apparatus suitable for emitting or receiving waves, radiations or the like : en fr
  • NL33652C - : en
  • US1973647A - Process of synthetically producing ephedrin homologue and its salts : en
  • AT138706B - Trigger magnet for oil switch. : de en
  • CA344488A - Thread production : en fr
  • DE602699C - Paper web formed from envelopes : de en
  • US1972912A - Method and apparatus for conditioning air : en
  • US1973296A - Broadcasting system using ultrashort waves : en
  • US1973513A - Portable putting device : en
  • US1972993A - Game device : en
  • AT138701B - Switch. : de en
  • US1973135A - Method of cutting spiral bevel gears : en
  • USD93316S - Design for a game board : en
  • AU1732434A - Rhodium plating : en
  • CA344588A - Draft and buffing gear : en fr
  • CH171844A - Device for starting valve-controlled engines. : de en
  • CH171648A - Interference protection device on electrically operated machines and apparatus, in particular on electrically operated household appliances. : de en
  • ES134596A1 - IMPROVEMENTS INTRODUCED IN THE STABILIZATION OF VESSELS : en es
  • ES2034Y - Device applicable to a system of letters to form signs with them. : en es
  • GB416124A - Improvements in or relating to apparatus for use in taking bearings : en
  • GB416489A - Improvements in the development of blue prints : en
  • CA344492A - Rug hooker : en fr
  • CA344628A - Strapping or binding machine : en fr
  • CH171685A - Process for producing a pile fabric with an improved edge when working with a double weft on a double chair. : de en
  • GB416238A - Improvements in or relating to meters for measuring the volume of compressed gas : en
  • US1973147A - Engine mounting : en
  • GB416719A - Improvements in and relating to spinning, doubling and twisting machinery : en
  • DE602548C - Photographic protective paper with lettering recognizable in darkroom light : de en
  • GB416371A - An improved mould for intimately uniting steel and bronze : en
  • AU1421733A - Dog collar for non-slipping device and antidote carrier : en
  • CH171747A - Parallel guide device for drawing rails. : de en
  • ES135167A1 - Perfeccionamientos in apparatuses for the cleaning in dry. : en es
  • GB416090A - Improvements relating to clutches for change speed gearing and the like : en
  • GB416244A - Improvements in electro-magnetically operated valves : en
  • GB416293A - Improvements in means for end and side tipping the deck or top platform of lorries and such like : en
  • DE602631C - Protective cover for submarine cables : de en
  • DE602732C - Mobile apron conveyor running on rails in a vertical plane : de en
  • FR770227A - Method and device for the production of seamless pipes : en fr
  • FR770538A - Improvements to tightening keys : en fr
  • US1972870A - Sweeper : en
  • USD93305S - Design for a display box : en
  • ES134435A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF CONTINUOUS REFRIGERATING ABSORPTION MACHINES : en es
  • GB416110A - A new or improved appointments indicator device for desk and like use : en
  • GB416254A - Undergarment : en
  • DE602736C - Device for the automatic regulation of the transfer of piece goods in conveyor systems : de en
  • FR770417A - Machine for automatic loading and crimping of hunting cartridges : en fr
  • GB416121A - Improvements in or relating to containers of fibrous material : en
  • GB416276A - Improvements in and relating to automatic cap making and applying machines : en
  • GB416358A - Improvements in electric imitation solid-fuel fires : en
  • CH171722A - Process for the preparation of a 1-oxy-4-alkoxyanthracene. : de en
  • DE602638C - Photographic copying method : de en
  • US1973318A - Automatic strip photographic camera : en
  • US1973378A - Radioreceiver : en
  • ES135259A1 - A procedure to produce a torch flame. : en es
  • FR770508A - Direct blow milling plant : en fr
  • FR770302A - Gas distribution : en fr
  • GB416157A - Improvements in electric ovens and the like : en
  • US1973452A - Drift control for leers and drift responsive means therefor : en
  • US1972944A - Treatment of hydrocarbon oils and coal : en
  • US1973324A - Circuit maker and breaker : en
  • US1973547A - Electric valve converting system : en
  • US1973594A - Hat : en
  • AU1573733A - Improvements in electric discharge lamps : en
  • CA344509A - Retaining wall : en fr
  • DE602693C - Device for breaking up heavy clays or similar substances : de en
  • FR770361A - Hydro-atmospheric machine : en fr
  • GB416101A - Improvements in, or relating to, portable electric lamps of the drybattery type : en
  • DE602544C - Electric switch or fuse with spark chamber and arc extinguishing by magnetic blowing : de en
  • DE602555C - Device for switching the supply of stage lighting circuits from alternating current to direct current or vice versa : de en
  • AT138662B - Device for collecting and straightening the finished matches ejected from the support bars of match machines. : de en
  • ES134830A1 - Improvements introduced in the merchandise distribution machines by introduction of coins. : en es
  • DE602725C - High accuracy plain bearings for shafts : de en
  • DE602472C - Device for dressing profiled grinding wheels : de en
  • DK49230C - Arrangement of Expansion Tanks at Heat Piping Systems. : da en
  • ES135171A1 - Footwear manufacturing process with double floor. : en es
  • ES135019A3 - A process for making corporeal kites in the form of birds. : en es
  • US1973690A - Calendering machine : en
  • GB416380A - Improvements in or relating to wall clocks or signs : en
  • US1973373A - Shoe style display : en
  • ES2883U - Box for perpetual pads called tampon. (Machine-translation by Google Translate, not legally binding) : en es
  • GB416210A - Improvements in or relating to handles for wringers : en
  • US1973621A - Process of refining mineral oil : en
  • US1973641A - Display card : en
  • DE602640C - Hair-cutting razor with two cutting combs : de en
  • ES2874U - Apparatus for opening and closing bottles with crown caps. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770255A - Automatic clutch : en fr
  • FR770348A - Improvements to trigger delay devices for underwater mines : en fr
  • GB416091A - Improvements in and relating to power installations : en
  • GB416292A - Improvements in or relating to radio receiving apparatus : en
  • ES135214A1 - A viscosity correction mechanism in liquid fuel burners. : en es
  • ES2846U - Film or film with the views to project alternatively distributed according to the order in which they must appear on the screen in two columns or parallel rows. (Machine-translation by Google Translate, not legally binding) : en es
  • ES2886U - Base frame with iron frame and metal mesh with steel springs (Machine-translation by Google Translate, not legally binding) : en es
  • DE602662C - Radial drilling machine with simultaneous determination of the boom pivotability and the support : de en
  • GB416452A - Apparatus for projecting molten pulverised bodies : en
  • FR770306A - Motor car engine cooling mode with engine mounted at the rear : en fr
  • GB416264A - Improvements in or relating to earth boring drills : en
  • GB416361A - Improvements relating to vacuum cleaners : en
  • GB416458A - Improvements in scaffold clamps : en
  • USD93268S - Design fob a sled deck : en
  • US1973136A - Excavating machine : en
  • ES134410A1 - A thermo coffee system : en es
  • ES2858U - Mechanism for sharpening the blades of razors. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770216A - Anchors for watch escapements : en fr
  • GB416152A - Improvements in electric irons : en
  • CH171811A - Plunger. : de en
  • CH171953A - Process for the preparation of an acidic dye of the anthraquinone series. : de en
  • DE602755C - Heating device for burners operated with low-boiling fuels : de en
  • GB416298A - Improvements in or relating to television and like apparatus : en
  • US1973328A - Feed for bobbin winding machines : en
  • USD93307S - Design for a coffee table : en
  • US1973644A - Device for fixing glasses : en
  • GB416849A - Improvements in or relating to safety razors : en
  • DE602484C - Heating device for burners operated with low-boiling hydrocarbons : de en
  • FR770397A - Improvements to devices to radioactivate liquids : en fr
  • ES2839U - Different types of flashing fractures or dilatation of all kinds of reinforced metal constructions and in general in all those where it is indispensable to provide spaces that allow expansion or contraction of materials used. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770433A - Method for making coils with crossed windings : en fr
  • US1973683A - Solvent refining of hydrocarbon oil : en
  • CH171728A - Method and device for the production of a liquid fuel. : de en
  • US1973267A - Motor vehicle propelled railroad car : en
  • CH171619A - Ribbed ceiling. : de en
  • CA344602A - Typewriter : en fr
  • CH171850A - Valve of an electrolyte-containing cell. : de en
  • FR770365A - Pit intended for the absorption of latrines and refuse and to facilitate their spreading : en fr
  • FR770320A - Advanced conveyor belt : en fr
  • DE602676C - Foot measuring device for determining suitable footwear : de en
  • DE602727C - Door lock with reversible latch : de en
  • US1973286A - Relay : en
  • US1973444A - Toe iron for ski ties : en
  • CH171651A - Curtain pulling and locking device. : de en
  • DE602557C - Device for maintaining stable operation and regulating the voltage of electrical machines in the event of sudden changes in load : de en
  • FR770472A - Automobile convertible into an airplane : en fr
  • FR770531A - Sophisticated packaging : en fr
  • US1973398A - Protecting rubber : en
  • CH171938A - Dismountable and collapsible boat. : de en
  • DE602565C - Kickback-proof starting crank : de en
  • FR770198A - Metal snow plow with articulated front and rear axles, automotive control : en fr
  • US1973341A - Welding process : en
  • USD93276S - Design fok a combined tub and con : en
  • US1973678A - Unit heater : en
  • US1972928A - Searchlight for exploring the sky : en
  • CA344564A - Crystallization : en fr
  • CH171665A - Brushes, especially for stenciling. : de en
  • DE602380C - Process for processing goods containing tin : de en
  • FR770324A - Electric coffee maker : en fr
  • US1972904A - Method and means for making automatic "change over" in moving picture apparatus : en
  • US1973258A - Vent for liquid storage tanks : en
  • AT138749B - Process for the preparation of reaction products containing oxygen-containing compounds. : de en
  • US1973527A - Lens grinding machine : en
  • US1973636A - Manufacture of azo-dyestuffs containing sulphur from diazotized orthoaminophenols : en
  • US1973593A - Exercising apparatus : en
  • CH171691A - Braiding machine with device to achieve effect braiding. : de en
  • GB416340A - Improvements in and relating to the production of soft rubber and soft rubber goods : en
  • CH171679A - Fabrics, in particular for furniture covers. : de en
  • CH171713A - Process for manufacturing titanium oxide. : en fr
  • US1973225A - Machine for depositing semifluid material in molds : en
  • US1973682A - Receptacle : en
  • CH171608A - Lawn mower. : de en
  • CH171620A - Stationary bed system. : de en
  • US1973017A - Brake for aeroplanes : en
  • US1973208A - Method and means for cutting and wrapping honey : en
  • CH171623A - Hand grinder, in particular for processing rail joints. : de en
  • US1973119A - Manufacture of lubricating oil : en
  • ES134952A2 - A circular machine for manufacturing tubular fabrics. : en es
  • FR770392A - Safety razor blade sharpening device : en fr
  • FR770399A - Spout particularly applicable to ice cream containers : en fr
  • GB416232A - Improvements relating to sole roughing machines : en
  • ES134922A1 - A blowtorch to melt and project in metal rain fusible dusts or not and its feeding apparatus, consisting of an endless vis. : en es
  • FR770485A - Process for the preparation of bases derived from benzo-dioxane : en fr
  • US1973066A - Microscope for examining the profiles of surfaces : en
  • US1973264A - Brake drum grinding machine : en
  • US1973504A - Telecommunication system : en
  • US1973490A - Air or gas distributing device : en
  • CA344548A - Electric converting apparatus : en fr
  • CA344563A - Sealed pad manufacture : en fr
  • USD93310S - Design fob a shoe : en
  • ES135031A1 - Improvements in the manufacturing methods of elevator guides. : en es
  • ES135212A1 - An anti-glare light device for cars. : en es
  • DE602450C - Autonomous route block system : de en
  • FR770213A - Improvements to transportable supports for pipe bending machines : en fr
  • GB416089A - Improvements relating to brush gear for dynamo electric machines : en
  • IE13645L - Drying method. obtaining water. cooling method : en
  • FR770325A - Microphone installation for noisy locations : en fr
  • US1973383A - Slicer : en
  • AT138713B - Aiming device for rifles and. like : de en
  • AT138727B - Process for the production of spherical caps for concave or convex mirrors. : de en
  • CH171661A - Stand for holding books, documents etc. to be read at an angle : de en
  • US1973367A - Steam engine : en
  • NL33590C - : en
  • DE602393C - Shortwave transmitting and receiving antenna : de en
  • DE602583C - Process for removing excess chlorine from gas mixtures or non-aqueous fluids : de en
  • GB416322A - Improvements in or relating to instruments for drawing charts : en
  • DE602517C - Removable feed device for sewing machines : de en
  • CH171627A - A method of assembling elements of stamped metal radiators for central heating. : en fr
  • US1973091A - Drink mixer : en
  • CA344552A - Electrical distribution system : en fr
  • CH171804A - Machine working according to the screw principle as a pump, fan, compressor or motor. : de en
  • CH171855A - Anode grid for rectifier. : de en
  • US1973096A - Elevator dispatching system : en
  • US1973055A - Alternating current power translating or control circuits : en
  • AT138676B - Bearing shell for high pressure, especially for rolling mill bearings. : de en
  • AT138686B - Electric motor. : de en
  • US1972888A - Keene's cement : en
  • DE602639C - Photographic copier with positive paper peelable from a supply roll : de en
  • ES135248A1 - An automatic system for hygienic filling of cisterns. : en es
  • US1972968A - Combustion contkol : en
  • US1973440A - Pipe lining machine : en
  • US1973627A - Chair : en
  • CA344556A - Meter testing device : en fr
  • CH171695A - Process for the preparation of a finishing agent. : de en
  • NL33702C - Device for operating a valve or similar movable member in dependence on the heat radiation density. : en nl
  • US1973238A - Clamp : en
  • DE602754C - Process for burning lime in shaft, ring or similar ovens : de en
  • AT138719B - Deck chair. : de en
  • FR770487A - Improvements to packaging machines : en fr
  • GB416579A - Manufacture of 4-aminodiphenylamine derivatives : en
  • US1972890A - Cylinder grinder : en
  • US1973399A - Boiler room installation for ships : en
  • US1973526A - Slicing apparatus and method : en
  • US1973599A - Manufacture of cold laid pavement : en
  • DE602634C - X-ray tubes with a metallic, appropriately grounded wall part, to which a metallic protective cover that completely surrounds the tube is attached : de en
  • DE581763C - Process for the production of durable water-containing emulsions of vegetable lecithin : de en
  • ES134819A1 - PROCEDURE FOR MEASURING PRESSURE FIELDS LOCATED IN THE PLANE OF CONTACT BETWEEN ELASTIC AND INELASTIC BODIES : en es
  • ES2784U - A closure for bottles (Machine-translation by Google Translate, not legally binding) : en es
  • ES2856U - Bracelet bracelet. (Machine-translation by Google Translate, not legally binding) : en es
  • US1972975A - Thermostatic circuit closer : en
  • US1973008A - Curling lotion distributor : en
  • US1973199A - Clutch : en
  • US1973578A - Method of flotation ore separation : en
  • CA344487A - Vehicle coupler : en fr
  • CH171670A - Device for cutting open cans, in particular canned food. : de en
  • CH171918A - Lighting device for vehicles. : en fr
  • US1973259A - Steam trap : en
  • US1973643A - Attachment to baskets and the like : en
  • US1972953A - Rubber stamp : en
  • AT138712B - Process for the treatment of rolling stock. : de en
  • CH171617A - Wireless art honeycomb frame. : de en
  • CH171660A - Kitchen buffet. : en fr
  • CH171897A - Advertising media. : de en
  • CH171712A - Lid closing device on autoclaves. : de en
  • CH171734A - Method and device for degreasing and cleaning metal objects using a volatile solvent. : de en
  • US1973163A - Tipple : en
  • CH171737A - Attached ticket. : de en
  • CA344510A - Battery terminal : en fr
  • CA344593A - Journal box : en fr
  • CH171771A - Projection device allowing the projection of each image to be varied in size. : en fr
  • AU1445333A - Improvements in mechanism for use inthe shrinking and stretching of woven and like fabrics : en
  • CH171700A - Sock holder. : de en
  • CH171726A - Process for the preparation of 2-nitro-2'-aminoazobenzene. : de en
  • CA344493A - Door operating apparatus : en fr
  • ES135037A3 - A plant for the large-scale and continuous vulcanization of pneumatic tires and semi-pneumatic and solid tires for automobiles and the like. : en es
  • US1973339A - Method of producing ornamental building paper : en
  • US1973459A - Automatic closure for outlet ends of dispensing receptacles : en
  • US1973338A - Can opener : en
  • US1973389A - Device for displaying flags and the like on airplanes : en
  • AT138734B - Temperature-resistant permanent magnets. : de en
  • CH171827A - Box set for the production of watertight, encapsulated electrical distribution systems. : de en
  • DK49236C - Apparatus for continuous Addition of a small amount of a liquid to another, flowing liquid. : da en
  • GB416385A - Manufacture of new vat dyestuffs of the anthracene series : en
  • US1973485A - Circuit interrupter : en
  • US1973455A - Advertising globe : en
  • US1973514A - Manifold connection for automobile heaters : en
  • US1973065A - Trimming machine : en
  • US1973482A - Windshield cleaner motor : en
  • US1973491A - Process of making alkali cellulose : en
  • US1973540A - Knockdown canopy support : en
  • US1973242A - Protection of electric systems : en
  • CH171708A - Quick filter. : de en
  • GB416315A - Improvements in and relating to corner plates, branch plates and cross plates for tongued steel walls : en
  • US1973062A - Apparatus facilitating germicidal treatment and washing of fruits : en
  • US1973254A - Switch structure : en
  • CA344618A - Fastening inserting machine : en fr
  • CH171828A - Device for discharging affected weak current lines which are grounded by means of coils, in particular transmitter coils. : de en
  • DE602762C - Device for spraying freshly printed sheets with liquid paraffin, wax or the like. : de en
  • FR770250A - Apparatus for spreading liquid manure : en fr
  • GB416142A - Improvements in or relating to air compressors : en
  • US1973243A - Metal button : en
  • US1973394A - Method of impregnating wood : en
  • US1973423A - Butter-dispensing machine : en
  • US1973479A - Latch for a receptacle : en
  • USD93279S - Design for a shoe : en
  • ES134412A1 - Procedure for manufacturing an aseptic device for toothpicks. : en es
  • CA344623A - Laundry spreader and rack : en fr
  • DE602624C - Closing machine for the production of hollow stones closed on all sides : de en
  • CH171750A - Unicycle to be attached to one foot. : de en
  • DE602601C - Arrangement for obtaining emanation : de en
  • US1973038A - Electrical condenser : en
  • US1973186A - Loose leaf binder : en
  • US1973335A - Axminster loom : en
  • US1973510A - Device for balancing the action of forces and inertia : en
  • CA344503A - Air dispenser : en fr
  • CH171689A - Chain stitch sewing machine. : de en
  • US1973410A - Hearing-aid device : en
  • CH171741A - Type wheel typewriter. : de en
  • CA344534A - Disappearing feeder : en fr
  • CH171658A - Device for adjusting a table top consisting of two hinged parts. : de en
  • DE602598C - Method for loading ointment-like substances with radium emanation using a cylinder provided with a movable piston : de en
  • FR770330A - Advanced apparatus for electrolysis and for electrolytic treatments : en fr
  • GB416227A - Apparatus for utilising the waste heat of condensates : en
  • CH171792A - Pad bearing. : en fr
  • DE602606C - One-piece split pin with barbed hooks and springy legs : de en
  • CH171731A - Process for oligodynamic disinfection of water and device for carrying out the process. : de en
  • CH171859A - Electric lighting installation applied to photographic photography. : en fr
  • CA344531A - Tin, lead, antimony or bismuth recovery : en fr
  • US1973092A - Method and apparatus of forming tile : en
  • US1973501A - Strengthening glassware by surface treatment : en
  • CA344519A - Bathing suit or nether garment : en fr
  • CH171838A - Electrical contactor for controlling a pneumatic machine. : en fr
  • US1973113A - Process of welding : en
  • US1973465A - Safety guard : en
  • DE602739C - Overburden conveyor system : de en
  • ES135256A1 - A POWER GENERATOR WITHOUT FUEL EXPENDITURE OR EXTERNAL ENERGY OF ANY KIND : en es
  • GB416174A - Fire-proof electric heater : en
  • GB416428A - Improvements in centrifugal or turbine pumps : en
  • GB416464A - Improvements in electromagnetic wave receiving arrangements : en
  • CH171928A - Bicycle drive. : de en
  • USRE19309E - Steam platen and method of making same : en
  • NL58549B - : en
  • US1973316A - Micrometer adjustment for coating machine rollers and the like : en
  • US1973628A - Combined stool and stepladder : en
  • US1973652A - Apparatus for loading tank cars and the like : en
  • CH171647A - Electric roasting oven. : de en
  • CH171834A - Device for extinguishing the arc that occurs in the event of a power failure. : de en
  • US1973613A - Pectin and its manufacture : en
  • USD93266S - Design foe a beverage cooler : en
  • CH171921A - Two-story car body. : de en
  • US1973021A - snyder : en
  • US1972974A - Circulatory lubricating system for rotary blowers : en
  • US1973516A - thieme : en
  • AU1431533A - Parasiticides and insecticides and method of making thesame : en
  • GB416141A - A new or improved strainer for culinary purposes : en
  • US1972872A - Adapter : en
  • US1973156A - Barber's and beautician's sterilizing tray : en
  • CH171626A - Ash guide device for ovens, stoves, etc. : de en
  • DE602553C - Differential capacitor : de en
  • DE602677C - Method and device for manufacturing shoes with rubber soles : de en
  • US1973535A - Retard device for delaying the action of rate of rise pneumatic systems : en
  • US1972877A - Concentric return transmission system : en
  • US1973626A - Grinding machine : en
  • US1972875A - Control system for power oil burners : en
  • US1973059A - Method and apparatus for relieving plastic materials of shrinkage stresses : en
  • CH171715A - Process for the preparation of an anthraquinone derivative. : de en
  • DE602535C - Securing for screw bolt connections of shaker slides : de en
  • US1972999A - Mechanism foe : en
  • US1973344A - External flash remover : en
  • US1973480A - Optical illusion device : en
  • CA344615A - Cement dispenesr : en fr
  • CH171654A - Device for hanging mirrors, pictures and the like at an angle. : de en
  • US1973358A - Yarn guide for axminster looms : en
  • US1973360A - Device for sound reproduction : en
  • US1973443A - Apparatus for governing steam turbines : en
  • US1973109A - Current collector : en
  • ES2852U - Handle for suitcases, boxes and baskets of all kinds. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770418A - Protective glasses : en fr
  • GB416357A - Improvements in marking measures on vehicles and other containers : en
  • GB416367A - Improvements in or relating to means for automatically maintaining position of conveyor belts : en
  • GB416376A - Improvements in the slitting or trimming of foils : en
  • GB416290A - Improvements in retorts for the carbonisation of coal : en
  • GB416454A - Improvements in and relating to the manufacture of collars for personal wear : en
  • ES2873U - Device to prevent accidental opening of parachutes used in aviation. (Machine-translation by Google Translate, not legally binding) : en es
  • GB416165A - Improvements in or relating to a process of and machine for lapping workpieces of circular cross section : en
  • FR770186A - Method and apparatus for wrapping cylindrical objects : en fr
  • USD93292S - Design fob a curtain ob the like : en
  • ES135193A1 - A procedure to prevent frost in the plantations. : en es
  • CH171769A - Contact device for switching on and off electric motor driven calculating machines. : de en
  • ES134838A3 - A mechanism capable of advancing a toy by the action of the rider. : en es
  • GB416257A - Washing or other machine, having a rotatable container adapted to be driven in at least two different manners : en
  • FR770194A - Automatic reproducing machine : en fr
  • GB416172A - Improvements in or relating to sewing machine cabinets : en
  • GB416259A - Improvements in window arrangements for automobile and other vehicles : en
  • GB416447A - Improvements in or relating to reels, bobbins and the like for carrying wire and similar material : en
  • ES135158A3 - A procedure for the manufacture of metallic jewelery and costume jewelery. : en es
  • FR770426A - Support column for radiation sources adjustable in position : en fr
  • GB416154A - Improvements in or relating to colouring rubber surfaces : en
  • GB416133A - Improvements in trunks or similar articles : en
  • GB416280A - Improvement in hinging corners relative to folding crates : en
  • GB416422A - Improvements in or relating to dies for embossing or like marking machines : en
  • US1973311A - Typewriting machine : en
  • US1973473A - Gypsum cement and method of making the same : en
  • FR770403A - Method and device for the propulsion of submersibles by internal combustion engines during immersion : en fr
  • GB416364A - Improvements in agents for disinfecting seeds : en
  • DE602602C - Headrests designed as air distributors for inhalations : de en
  • DE602710C - Method of filling ampoules : de en
  • DK49237C - Amplifier coupling. : da en
  • US1973315A - Typewriting machine : en
  • ES134674A3 - Mortise lock and latch system with removable slotted cylinder (s). : en es
  • DE602617C - Blading for centrifugal pumps and related flow machines : de en
  • GB416192A - Improvements relating to vehicle tyre covers : en
  • FR770238A - Waterproof elastic fabrics : en fr
  • FR770172A - Mechanical razor : en fr
  • FR770405A - Method and device for shearing animal skins : en fr
  • GB416365A - Improvements in electric arc welding : en
  • DE602644C - Process for the production of cyanamides, cyanates and cyanides of alkalis, alkaline earths and magnesium : de en
  • DE602702C - Galvanic element, in particular an electric accumulator : de en
  • ES2836U - Cut-out plate for the manufacture of five-barbed pitchforks. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770251A - Vaporization and ignition device for internal combustion engines running on oil : en fr
  • FR770469A - Injector for plaster, cement etc., to fill holes in walls, partitions, coverings, etc., used to receive tenons for fixing by applique any objects : en fr
  • FR770322A - Regulation of the voltage of electric discharge devices by means of a grid voltage composed of a negative half-wave and a positive wave of adjustable amplitude : en fr
  • GB416573A - Method for plating rods, wires, tubes, sheets and the like : en
  • FR770303A - Pulsators for milking machines : en fr
  • FR770516A - Rescue and recovery device for submerged buildings and objects : en fr
  • ES134607A1 - A machine for the sealing of the caps of the containers used for oil and similar materials. : en es
  • US1972868A - Furnace oscillating apparatus : en
  • FR770264A - DC current measuring device : en fr
  • GB416111A - Improvements in and relating to shearing machines for cutting sheet metal : en
  • GB416138A - An improved spanner or wrench : en
  • GB416269A - Improvements in or relating to the packing of wallboard and the like and clips therefor : en
  • FR770230A - Half-runner with slit for gauze : en fr
  • FR770496A - Air humidifier applicable to central heating radiators : en fr
  • GB416236A - Improvements in processes for drawing wire, tubes, rods and the like : en
  • FR770527A - Support for curtains and drapes : en fr
  • GB416429A - Improvements relating to electric horns : en
  • US1973230A - Washing machine : en
  • FR770221A - Gas heater cartridge : en fr
  • GB416304A - Improvements in or relating to adjustable iris diaphragms mounted within photographic objectives : en
  • ES135226A3 - Padding manufacturing procedure. : en es
  • US1972954A - Safety razor blade sharpener : en
  • ES134671A3 - A procedure for producing salts with base-exchanging substances : en es
  • ES2863U - Wooden toy turned for pulse exercises. (Machine-translation by Google Translate, not legally binding) : en es
  • GB416255A - Improvements in or relating to screw propellers and pitch control mechanism therefor : en
  • ES135240A3 - Process for the manufacture of powdered or dried milk tablets. : en es
  • ES2899U - Broom or brush-broom with special fiber, pen or wire fastening. (Machine-translation by Google Translate, not legally binding) : en es
  • GB416063A - Improvements relating to vehicles : en
  • GB416278A - Improvements in silencing devices for internal combustion engines and like sound sources : en
  • US1973078A - Shutter for automobile radiators : en
  • US1973539A - System for displaying intelligence and controlling apparatus therefor : en
  • ES135227A1 - Procedure for the preparation of 3. 4. 5. 6-tetrahalogen-2-amino-1-oxybenzole : en es
  • FR770281A - Carburetor improvements : en fr
  • FR770256A - Further Development in Suture Needles and Similar Articles : en fr
  • FR770215A - Improvements to wall fans : en fr
  • GB416261A - Improvements in and relating to the treatment of used non-ferrous printing rollers : en
  • GB416319A - Improvements in graters for nutmeg and the like : en
  • CH171980A - Process for the preparation of a barbituric acid derivative. : de en
  • FR770304A - Cathode ray tube for television, telegraphic transmission of images, etc. : en fr
  • FR770291A - Clip to hold hair : en fr
  • FR770450A - Door closing : en fr
  • GB416583A - An improved material for use in the magnetic circuit of inductance coils carrying high frequency currents : en
  • DE602528C - Rifle grenade : de en
  • ES135254A3 - A procedure for producing reliefs or embossed samples on fabrics. : en es
  • GB416100A - Improvements in or connected with coin freed mechanism for meters : en
  • GB416309A - Improved process for the manufacture of fatty substances for the treatment of hides : en
  • ES135021A1 - Improvements in permanent wave devices. : en es
  • ES135161A3 - Procedure to manufacture tulle and elastic lace. : en es
  • ES2868U - Mechanism of rifle for carbines, shotguns and toy rifles. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770383A - Improvements in apparatus intended to impart an eccentric movement to a device such as a sieve : en fr
  • US1973247A - Device for the extraction and steaming of raw unroasted coffee beans : en
  • US1973261A - Flier construction : en
  • AT138695B - Device on electrical power generators to compensate for periodic voltage and current fluctuations. : de en
  • CH171950A - Process for the preparation of a condensation product of the anthracene series. : de en
  • US1973577A - Radiator : en
  • DE602445C - Process for the production of naphthalene-1íñ4íñ5íñ8-tetracarboxylic acid : de en
  • DE602554C - Vacuum drying vessel, especially for electrical cables : de en
  • NL33566C - Propulsion and steering equipment for vessels, consisting of one or more paddlewheels with vertical or nearly vertical axis. : en nl
  • DE602506C - Heating boiler : de en
  • FR770444A - Device for packaging assorted biscuits in boxes : en fr
  • CH171764A - Device for compensating the temperature error on induction meters. : de en
  • FR770341A - Method of combating the effects of toxic gases "of combat" as well as those of noxious solid or liquid particles suspended in the air, in mines and other industries, mainly by the use of masks : en fr
  • FR770486A - Machine for cutting vegetables, potatoes and the like into strips : en fr
  • DE602410C - Entrance hole for beehives with swarm and drone trap : de en
  • FR770354A - Automatic recording device for personal reaction times : en fr
  • US1973167A - Variable water tank : en
  • US1973253A - Switch structure : en
  • CA344544A - Electric valve circuit : en fr
  • CH171812A - Ignition device with two or more electrically and magnetically independent ignition circuits on the internal combustion engine. : de en
  • CH171680A - Elastic fabric comprising textile materials. : en fr
  • CH171729A - Process for making soap. : de en
  • DE602509C - Method and device for measuring the viscosity of lubricating oils and other liquids : de en
  • FR770183A - Use of elderberry marrow in the form of planks : en fr
  • US1972925A - Match packet holder : en
  • CA344606A - Aqueous mixture component separation : en fr
  • US1972897A - Adjustable grate generator : en
  • US1973023A - Condensation product of aminosubstituted arseno compounds : en
  • CA344494A - Rubber surface colour stabilization : en fr
  • CA344538A - Polishing tool composition : en fr
  • DE602567C - Ironing machine : de en
  • AU1646534A - Improvements in electric discharge tubes : en
  • CA344517A - Cellular packing device : en fr
  • US1972973A - Apparatus for printing photographs in natural colors : en
  • US1973518A - Refrigerator cabinet : en
  • FR770319A - Development of capsules for gas masks : en fr
  • US1973099A - Oil circulating pump for bearings : en
  • US1973101A - Agricultural implement and the method of marking the same : en
  • US1973188A - Wrench stand : en
  • US1972969A - Conveyer system : en
  • ES135035A1 - A procedure for obtaining a product that destroys all the organic matters that close or hinder the circulation of liquids in pipes or pipes. : en es
  • GB416421A - Improvements relating to telephone systems : en
  • US1973070A - Pump : en
  • US1973255A - Closure for bags : en
  • US1973365A - Steam generating and superheating installation : en
  • CH171790A - Process for the production of a coating. : de en
  • DE602772C - Electric lamp with a glass bell surrounding the light source below and to the side : de en
  • GB416243A - Hot water heating systems : en
  • GB416493A - Knitting machines : en
  • US1973143A - Regenerator : en
  • AT138716B - Optical pyrometer with two filaments heated by the same power source. : de en
  • FR770328A - Optical manograph : en fr
  • GB416166A - Improvements in or connected with die holders and dies for cutting screw threads : en
  • CH171914A - Windshield cleaning device. : de en
  • DE602474C - Skill game : de en
  • GB416149A - Food product and method of preparing the same : en
  • ES135201A1 - A machine or motor of explosion or internal combustion. : en es
  • FR770338A - Method and apparatus for performing energy transformations in thermal form : en fr
  • GB416126A - Improvements in wireless direction finding apparatus : en
  • FR770337A - Motor fixing device : en fr
  • GB416318A - Process of manufacturing glazes or enamels : en
  • GB416387A - Improvements in or relating to the introduction into sealed vessels such as electricdischarge tubes of materials to be converted into vapour : en
  • ES2864U - Container for pressed sardines. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770289A - High pressure lubricant : en fr
  • GB416299A - Improvements in and relating to filter papers : en
  • DK49242C - Electric powered Vacuum Cleaner with Motor unit. : da en
  • ES2879U - Buckets, screens and lights, decorated with transparent and engraved pieces (Machine-translation by Google Translate, not legally binding) : en es
  • FR770463A - Assembly of low-power motors, more particularly synchronous motors intended for controlling electric clocks : en fr
  • DE602534C - Device for moving shaker slides back and forth by means of a crank rotating at a constant speed to initiate a rapid reversal of movement : de en
  • US1973027A - Transmission system : en
  • DE602663C - Twist or pointed drill bits for metal : de en
  • DE602551C - Process for adding reagent solutions to liquids : de en
  • DE602576C - Accident protection on skis : de en
  • DE602694C - Device for producing zippers : de en
  • US1973297A - Plastometer : en
  • ES134706A1 - A process for the manufacture of steel rods for corsets, belts and similar articles. : en es
  • FR770425A - Clock : en fr
  • DE602513C - Seed drill convertible into a hoe : de en
  • CA10466S - Tooth brush spoons : en
  • US1973153A - Cover lock : en
  • US1973666A - Injector nozzle for internal combustion engines : en
  • DE602397C - Electric motor drive, especially for load winches : de en
  • GB416159A - Improvements in or relating to observation holes for furnaces and the like : en
  • US1973412A - Sugar dispenser : en
  • US1973663A - Car truck : en
  • US1972900A - Hydraulic shock absorber : en
  • US1973202A - Reversible receptacle for soda fountain refrigerators : en
  • FR770169A - Smoking facility : en fr
  • US1973404A - Drophead typewriter desk : en
  • CH171939A - Swing flying machine. : de en
  • US1973232A - Workholder : en
  • US1973448A - Gymnastic apparatus : en
  • CH171644A - Process for the atomization of heating oil and for the subsequent atomization of the atomized oil. : de en
  • FR770188A - Process for centrifuging metal into hollow bodies : en fr
  • ES2889U - A new type of reinforcement for metal box springs (Machine-translation by Google Translate, not legally binding) : en es
  • GB416205A - Improvements in ventilators : en
  • FR770410A - Process for coating rubber surfaces of any shape with paint : en fr
  • GB416183A - Improvements relating to movable ladders, stairways and the like : en
  • ES2837U - Cutting plate for the manufacture of four-barbed pitchforks. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770423A - Automobile hood clasp : en fr
  • FR770548A - Lighting device for one or more identity plates and for the rear light, applicable to cars with aerodynamic bodywork : en fr
  • US1973124A - Airplane structure : en
  • US1973454A - Light display apparatus : en
  • US1973555A - Antifriction device : en
  • DE602586C - Electric discharge tubes with a filament cathode that is supported at one or more points between its ends : de en
  • DK49252C - Screw press. : da en
  • US1973277A - Electroacoustic translating device : en
  • DE602532C - Strand forming device for cigarette machines : de en
  • US1972915A - Spring clutch : en
  • US1973512A - Photographic printing apparatus : en
  • ES135253A1 - A procedure for the manufacture of quality carpets or appearance similar to those called hand-knotted. : en es
  • FR770276A - Nest for pigeons and other birds : en fr
  • FR770351A - Improvements to remote electrical transmissions : en fr
  • US1973074A - Machine for shredding leather : en
  • CH171696A - Washing machine. : de en
  • DE602487C - Process for the production of waterproof fibrous webs : de en
  • US1972858A - Friction plug inserting apparatus : en
  • US1972926A - Treatment of hydrocarbon gases : en
  • AT138652B - Method and device for the production of stencils and drawings, in particular for room and decorative painting u. like : de en
  • CH171883A - Coin validator with device for determining the edge of the coin on both sides. : de en
  • FR770378A - Two-speed clutch : en fr
  • CA344515A - Safety razor : en fr
  • DE602679C - Ice-skate-like dry-running shoe with a skid formed from a rotating caterpillar chain : de en
  • DE602719C - Connection mouthpiece of a lubricating device for connection to a lubrication point with a spherical or rounded head under pressure : de en
  • DE602670C - Beer coaster with registration device : de en
  • US1973100A - Bracing for coiled tubular units : en
  • US1973130A - Process of unhairing hides or skins : en
  • US1973546A - Means for and method of separating glass sheets : en
  • US1973615A - Dispensing package for absorbent cotton or the like : en
  • US1973684A - Process of cold reducing metals : en
  • US1972940A - Coupler : en
  • US1973487A - Traverse equipment : en
  • USD93262S - Design fob an automobile body : en
  • US1973115A - Selective valve operating apparatus : en
  • CH171613A - Greenhouse with completely or partially hinged roof halves. : de en
  • CH171925A - Hand-operated trill bell for bicycles and the like. : de en
  • DK49247C - Shelling device for hatches, in particular ship hatches. : da en
  • AT138689B - Cavity electric conduit for high frequency use. : de en
  • DE602650C - Coal feed device for furnaces : de en
  • DE593076C - Fur extender : de en
  • ES135196A1 - A PROCEDURE FOR RADIOTEVISION TRANSMITTING THE IMAGE AND SOUND AT THE SAME TIME : en es
  • FR770363A - Device intended to facilitate swimming : en fr
  • CH171888A - Facility in telephone system with multiple traffic directions. : de en
  • DK49253C - Hydraulic Pump. : da en
  • CA344478A - Transmission mechanism : en fr
  • CH171823A - Rotor star for electrical machines. : de en
  • FR770226A - Improvements to household gasoline stoves : en fr
  • FR770300A - Vibrator : en fr
  • US1973544A - Condenser : en
  • AU1242033A - Improvements in or relating to radio signalling systems : en
  • CH171684A - Warp thread monitor. : de en
  • US1972916A - Tension control device : en
  • US1973302A - Alloy : en
  • US1972885A - Treating gases containing sulphur vapor : en
  • GB416215A - Improvements relating to bag filling and weighing apparatus : en
  • FR770474A - Wire winding improvements : en fr
  • US1972994A - Method of and apparatus for carbonating water : en
  • CH171982A - Process for the preparation of a derivative of 5,5-phenylethylhydantoin. : de en
  • USRE19311E - ernst : en
  • US1973533A - Furnace construction : en
  • CA344539A - Pneumatic tire : en fr
  • CH171847A - Protective device for a cascade consisting of an asynchronous machine and a collector rear machine. : de en
  • FR770443A - Coin locker for easy counting : en fr
  • CH171963A - Process for the production of reliefs, sculptures, etc. from a wood-containing kneadable mass. : de en
  • GB416200A - Improvements in and relating to continuously-operating retorts for carbonisation and distillation of coal, lignite, peat, shales and other solid carbonaceous materials : en
  • GB416222A - Single track vehicle : en
  • DE602594C - Cleavage of nitrosyl chloride : de en
  • FR770209A - Closing system for purses, tobacco pouches, bags and all other leather goods : en fr
  • FR770252A - Axle bearing lubrication process particularly applicable to rail vehicles : en fr
  • US1972990A - Combustion control : en
  • DE602483C - Centrifugal drum with concentrically nested centrifugal rooms through which the centrifuged material flows one after the other : de en
  • GB416131A - Sound reproducing apparatus comprising a device for turning over and exchanging the records : en
  • GB416194A - Improved slipping clutch : en
  • US1973608A - Sewing machine : en
  • GB416077A - Improvements in or relating to the manufacture of materials of or provided with compositions of or containing rubber : en
  • DE602508C - Measuring device for determining the acidity of milk : de en
  • DE602733C - Conveyor car train running on rails : de en
  • GB416717A - Improvements in and relating to spinning, doubling and twisting machinery : en
  • USD93306S - Design foe a faucet connection : en
  • FR770231A - Hot water heating installation : en fr
  • FR770375A - Process for obtaining a coffee completely free of water and cellular matter : en fr
  • GB416223A - Improvements in walls, floors and roofs, and building elements therefor : en
  • GB416426A - Improvements in sound-on-film recording apparatus : en
  • GB416388A - Improvements in and relating to electric discharge tubes and lamps : en
  • ES134606A1 - A procedure for the realization of hermetic closures. : en es
  • USD93274S - Design for a badiocabinet : en
  • US1973089A - Optical signaling apparatus : en
  • US1973478A - Process for making ethers of cellulose and new products of this class : en
  • NL33678C - : en
  • US1973498A - Process of cracking hydrocarbon oils : en
  • FR770532A - Arrangement for counting calls in automatic telephone systems : en fr
  • GB416151A - Apparatus for the mechanical solution of systems of linear equations : en
  • DE602645C - Preheater with tube bundle arranged perpendicular to the steam flow : de en
  • USD93297S - Design for a bottle : en
  • US1972958A - Oil fuse : en
  • US1973046A - Variable pitch propeller : en
  • US1973085A - Shoe : en
  • US1973312A - Continuous weighing apparatus : en
  • US1973496A - Pressure controlled charge supplying and mixing apparatus for internal combustion engines : en
  • AU1367333A - A machine for grading fruit, onions, tubers, andthe like : en
  • US1973632A - Method of and mechanism for automatically opening closed book signatures and the like : en
  • US1973314A - Typewriting machine : en
  • US1973532A - Method of and apparatus for hatching eggs : en
  • CH171954A - Process for the preparation of an acidic dye of the anthraquinone series. : de en
  • DE593597C - Liquid pump : de en
  • DE602609C - Liquid shock absorbers : de en
  • GB416384A - Improvements in or relating to apparatus intended for the training of chauffeurs : en
  • DE602759C - Device for the automatic uninterrupted discharge of filter residues from the housing of rotary pressure filters equipped with a collecting chamber : de en
  • USD93313S - Design for a shoe : en
  • CH171978A - Process for the preparation of a barbituric acid derivative. : de en
  • AU1413933A - Improvements in or relating to wireless aerial systems : en
  • ES135257A3 - A device for flushing water. : en es
  • FR770182A - Relatively very small diameter cylindrical roller bearing : en fr
  • CH171967A - Device for the manufacture of new and for reworking used web shuttle. : de en
  • CH171973A - Process for the preparation of an aqueous solution of the salt of 3.6-diamino-acridine with the dye from 1 mole of tetrazo-o-tolidine and 2 moles of 1-amino-8-naphthol-3.6-disulfonic acid. : de en
  • DE602540C - Handle for hammers, hoes, forging tools or the like. : de en
  • GB416374A - Improvements in and relating to electric welding systems : en
  • US1973401A - Wire tying machine : en
  • US1973673A - Sound or air wave apparatus : en
  • CH171786A - Manufacturing process for abrasive products. : en fr
  • AT138725B - Chair. : de en
  • US1973159A - Butt welding machine : en
  • US1973294A - Method of and apparatus for treating hydrocarbons : en
  • CA344532A - Multiple alloy : en fr
  • CH171763A - Electric ammeter and voltmeter for several measuring ranges. : de en
  • ES135054A1 - A procedure for roughing and matching the edges of all kinds of glass containers, and especially glasses, cups, etc. : en es
  • GB416175A - Improvements in and connected with hand brushes : en
  • US1973620A - Proportioning high limit control : en
  • FR770205A - Valve without valve with variable or fixed volumetric flow for all applications : en fr
  • US1973280A - Farm gate : en
  • CA344474A - Saline product dehydration : en fr
  • US1973567A - Combined tray or the like and amusement device : en
  • CA344504A - Parallel steam engine : en fr
  • DE602749C - Process for tanning animal skins and hides : de en
  • AT138736B - Process for the extraction of sponge iron. : de en
  • US1973506A - Automatic stoker : en
  • US1973011A - Stabilizing device for passengers in automobiles : en
  • US1973416A - Sliding shelf structure for refrigerators : en
  • US1973640A - Gauge : en
  • CH171752A - Ski with coating. : de en
  • CH171894A - Support for sign. : en fr
  • AU1732334A - Improvements in and relating to coating articles with rhodium : en
  • CH171705A - Process for preserving fresh fruit. : de en
  • US1973076A - Insulator : en
  • US1973279A - Electrical measuring and regulating system : en
  • CH171746A - Filling pencil. : de en
  • AU1414333A - Method of and means for writing and duplicating braille : en
  • CA344491A - Railway car brake mechanism : en fr
  • FR770412A - Footwear ventilation improvements : en fr
  • GB416457A - Improvements in or relating to variable electric condensers : en
  • CH171630A - Electric heating cable. : de en
  • US1973534A - Drawing mechanism for wool spinning frames : en
  • US1973542A - Photographic copying attachment : en
  • US1973570A - Coupler : en
  • CA344479A - Transmission mechanism : en fr
  • DE602581C - Collapsible, hose-like, smooth inside tube made of cloth or cloth-like material with closed stiffening rings arranged at certain distances and without internal stiffening arms : de en
  • FR770309A - Heels for shoes and shoes : en fr
  • US1972982A - Carburetor : en
  • US1972963A - Foam breaker : en
  • US1973354A - Holder for paper rolls : en
  • AT138656B - Peephole for doors. : de en
  • CH171791A - Safety nut. : en fr
  • CH171842A - Method and circuit for keeping an electric current constant. : de en
  • CH171831A - Split clamping piece for connecting sleeves. : de en
  • CH171738A - Method and device for the production of longitudinally creped paper. : de en
  • AU1712634A - Fishing net : en
  • AU1438233A - An improved folding spring camp bed : en
  • US1973374A - Ingot mold and ingot : en
  • US1973384A - Apparatus for inhibiting the oxidation and dilution of crank case oil : en
  • US1973589A - Typewriting machine : en
  • CH171740A - Method for removing the loosely adhering dust from one or both sides of sheet-like objects. : de en
  • GB416070A - Method and machine for breaking up feather clusters or scrolls and for picking the feathers recovered therefrom : en
  • CH171636A - Kiln for clay, porcelain ware and the like, in particular for small businesses. : de en
  • CH171632A - Process for the production of a plaster of paris, which is suitable for receiving a wet, firmly adhering layer of cement or other similar material after solidification. : de en
  • CH171832A - Cable with insulation that is sensitive to heat and light rays, in particular with rubber or gutta-perchaism insulation. : de en
  • CH171642A - Automatic hearth. : en fr
  • DE602424C - Machine for strapping packages with wire and twisting the wire ends on one edge of the package : de en
  • CA344610A - Interlocked gypsum lumber : en fr
  • CH171744A - Process for the production of a halftone or line slide for gravure printing. : de en
  • CH171784A - Machine for repairing areas with a branch or knothole in boards. : de en
  • CH171898A - Display stand with self-closing protective cover. : de en
  • CH171730A - Process for the representation of molded artifacts. : de en
  • US1973224A - Adapter for push and pull jacks : en
  • US1973568A - Can hook : en
  • US1973614A - Pectin : en
  • US1973165A - Oil burner : en
  • US1973217A - Clutch device for motor accelerating means : en
  • US1973375A - Process of bookbinding without stitches : en
  • US1973237A - Carton : en
  • CA344608A - Olefine sulphating process : en fr
  • FR770247A - Improvements in hosiery crafts : en fr
  • FR770298A - Process for the manufacture of sheet metal disc bodies, more particularly intended for the construction of motor vehicle wheels : en fr
  • FR770316A - Further training in engine ignition systems : en fr
  • US1973604A - Projectile : en
  • US1973319A - Soap and crystal dispenser : en
  • US1973183A - Method of making metal spoked wheels : en
  • US1973386A - Boring machine : en
  • US1973553A - Change speed gear for use more especially with motor road vehicles : en
  • US1973424A - Ball game : en
  • US1973625A - Feeding mechanism : en
  • USD93270S - Design for a serving spoon : en
  • US1972930A - Crusher : en
  • DE600888C - Device for changing the narrowest cross-section of an expansion nozzle with an unchangeable diameter for impact shredders : de en
  • FR770336A - Dosing-mixer for all fluids, liquids or gases and its applications : en fr
  • US1973127A - Cooling element for refrigerating systems : en
  • US1973483A - Control for power driven photographic apparatus : en
  • FR770467A - Pre-selector device for controlling handheld gearboxes : en fr
  • GB416073A - Improvements in or relating to turbines : en
  • GB416068A - Making trouser waist bands : en
  • FR770411A - Furnace for heat treatments, in particular for annealing and standardization of sheets : en fr
  • AT138661B - Circular milling machine. : de en
  • CH171778A - Process for the preparation of practically lead-free zinc oxide from zinciferous and lead-containing materials and residues. : en fr
  • CH171934A - Seal on axle sleeves for railway vehicles. : de en
  • DE602771C - Regulating transformer : de en
  • CH171678A - Switching device for the thread guide on Kötzerspulmaschinen. : de en
  • CH171862A - Carbon arc lamp closed vacuum-tight. : de en
  • CH171971A - Automatic timer for switching on manually. : de en
  • US1972852A - Power amplifying positioning device : en
  • US1973346A - Building remodeling apparatus : en
  • CH171687A - Rapier shuttle. : de en
  • CH171690A - Stocking with reinforced foot parts. : de en
  • FR770204A - Hair winder, especially for making the neck roll : en fr
  • FR770513A - Amplifier assembly comprising thermionic tubes with several grids : en fr
  • CH171609A - Cutting unit for mowers. : de en
  • CA344554A - X-ray system : en fr
  • AT138688B - Method for controlling gas discharge vessels. : de en
  • AU1416533A - Improvements in or attachable to ploughs, cultivators and like implements : en
  • CA344584A - Shoe manufacturing machine : en fr
  • FR770542A - Easily removable device for establishing mobile cultivation frames, and others : en fr
  • ES135255A1 - A process for the manufacture of dishes. : en es
  • AT138731B - Process and device for the production of hydrogen peroxide by distillation. : de en
  • CH171948A - Process for the preparation of a condensation product of the anthracene series. : de en
  • CA344496A - Collapsible canoe : en fr
  • AU1445233A - Improved method of and apparatus for altering the length of woven andthe like fabrics or yarns : en
  • CH171808A - Container arranged upright. : de en
  • US1972862A - Seaming head : en
  • US1973278A - Froth control in ore flotation : en
  • USD93265S - Design for a signaling device : en
  • US1972856A - Illuminating system : en
  • US1973489A - Composition of matter containing cellulose acetate and a treated natural resin or gum : en
  • CH171637A - Fetter. : de en
  • CH171837A - Snap-action switching mechanism for step switches, especially those for step transformers. : de en
  • US1973477A - Easily threaded motion picture apparatus : en
  • DE602482C - Tobacco spreader for cigarette machines : de en
  • AT138653B - Process for cleaning virgin and plucked wool. : de en
  • CH171618A - Device for catching insects. : de en
  • CH171941A - Liquid fuel heating installation. : en fr
  • US1973131A - Bearing and manufacture thereof : en
  • US1972861A - Container : en
  • US1973205A - Sky sign : en
  • US1972951A - Wall structure and liner therefor : en
  • US1973350A - Pulley : en
  • US1973250A - Storage battery : en
  • AT138666B - Machine for folding and interleaving pre-folded strips of paper or papers. : de en
  • CA344616A - Sewing machine : en fr
  • US1973026A - Machine for utilizing registration cards and the like : en
  • CH171777A - Process for reducing the carbon content of iron-carbon alloys. : en fr
  • CA344527A - Fastener : en fr
  • AT138708B - Centrifugal starter with a wound resistor. : de en
  • CH171830A - Banana pin. : de en
  • FR770207A - Improvement to wicks or safety ignition cords : en fr
  • GB416277A - Sewing machine : en
  • CH171931A - Device for adjusting the backrest of seats for railroad cars, cars and similar vehicles. : de en
  • US1972914A - Treatment of hydrocarbon oils : en
  • US1973214A - Hinged connection : en
  • US1973549A - Toy novelty : en
  • US1973674A - Pipe testing machine : en
  • US1972879A - Key container : en
  • US1973083A - Sanding device for automobiles : en
  • US1973364A - Outfit for lettering : en
  • ES135166A1 - Perfeccionamientos in apparatuses for the cleaning in dry. : en es
  • FR770481A - Non-deformable frame for doors, panels or partitions : en fr
  • GB416317A - Improvements in advertising or signalling apparatus of the so-called "script" type : en
  • GB416574A - Improvements in and relating to electromagnetic vibratory devices for use in the electrical reproduction of sound : en
  • FR770180A - Electric bridge for measuring earth resistances : en fr
  • GB416363A - Improvements in or relating to parachute harness for aviators : en
  • CH171794A - Slip clutch. : de en
  • AU1675934A - Improvements in or relating tothe manufacture of metal-coated materials : en
  • DE551638C - Cam drive for two-stroke internal combustion engines : de en
  • DE602678C - Rubber closure device for cordless sports balls made of the cover and in this immovable valve bladder : de en
  • DK49231C - Automatically adjustable presser foot for use in sawing wood across the veins. : da en
  • ES135266A1 - Improvements in the construction of dies for the production of metal tubes and their analogs by ejection. : en es
  • GB416375A - Improvements in or relating to mercury arc rectifiers : en
  • US1973164A - Pipe forming machine : en
  • US1973266A - Propeller construction for aircraft : en
  • US1972971A - Retarding device for gears : en
  • US1973345A - Anode : en
  • US1973231A - Die stock : en
  • US1973022A - Refrigeration : en
  • US1973359A - Interrupter : en
  • US1973058A - Rotary printing machine : en
  • CA344590A - Sand aerating device : en fr
  • US1973680A - Welding bell : en
  • CH171849A - Fuse protection, in particular for electric lamps and consumables. : de en
  • US1973288A - Engine starting mechanism : en
  • CA344486A - Container : en fr
  • CH171863A - Electric lamp. : de en
  • AT138700B - Cathode ray tube with fluorescent screen and hot cathode, in particular for sound film recordings. : de en
  • CH171965A - Living room football game. : en fr
  • DE602533C - Drive for belt pulls that run on rails and are composed of platform or box wagons with friction wheel engaging the belt pull : de en
  • FR770431A - Electrical insulator and its applications : en fr
  • CH171707A - Centrifugal separator. : de en
  • DE602635C - Combined high and medium pressure hot water steam heating system : de en
  • ES2894U - Table-counter complement of electric rifling devices for use in tombolas or raffles. (Machine-translation by Google Translate, not legally binding) : en es
  • CH171667A - Closure cap for bottles. : de en
  • CH171920A - License plate for vehicles. : de en
  • CH171927A - Gear changing device for bicycles. : en fr
  • US1973523A - Roofing : en
  • CA344500A - Racket and bat manufacture : en fr
  • CH171718A - Process for the preparation of 2-acetacetylamino-6-ethoxybenzthiazole. : de en
  • US1973438A - Demountable top : en
  • US1973270A - Plant for drying moist materials : en
  • US1973550A - Mold : en
  • US1973592A - Airplane toy and instructor apparatus : en
  • US1973104A - Loop cutter : en
  • CH171822A - Process for providing parts of electrical machines and apparatus with an insulating layer. : de en
  • US1973144A - Multiwheel twin-motor road vehicle : en
  • US1973651A - Mattress and cushion construction : en
  • US1973463A - Method of making a combined sound and picture record : en
  • US1973520A - Protective system for electrical apparatus : en
  • GB416336A - Device for dressing profiled grinding discs in particular discs for grinding screw threads : en
  • CH171780A - Process and machine for the production of electrodes or welding rods with a coating. : de en
  • US1973110A - Arc rectifier : en
  • USD93289S - Design for a bulletin board or : en
  • ES2900U - Metal construction toy. (Machine-translation by Google Translate, not legally binding) : en es
  • US1973010A - Transformer apparatus : en
  • GB416204A - Improvements in grinding machines : en
  • CA344524A - Air driven vehicle : en fr
  • DE602744C - Process for the production of alkaline earth formates : de en
  • DE602643C - Apparatus for drying laundry : de en
  • GB416096A - Improvements in coil-tube heat-exchange apparatus for fluids : en
  • CA344592A - Cast iron pipe : en fr
  • CH171861A - Electric lighting system. : de en
  • CH171896A - Packaging of a small object of prismatic shape. : de en
  • US1972913A - Form hanger : en
  • CH171646A - Electric cooker. : de en
  • AT138671B - Two-part cylinder head for side-controlled internal combustion engines. : de en
  • DE602722C - Kine camera with automatic control of the aperture : de en
  • CH171742A - Device for coupling the line index wheel to the paper roll of writing, calculating and similar machines. : de en
  • CH171798A - Control device operated by a heat sensor. : de en
  • US1973063A - Compression or vacuum machine : en
  • US1972920A - Combined tool : en
  • US1973418A - Shut off valve : en
  • DE602646C - Circulation evaporator, especially for feed water : de en
  • ES2901U - Double filter cigarette tube. (Machine-translation by Google Translate, not legally binding) : en es
  • CA344574A - Anti-freezing agent : en fr
  • CH171785A - Wooden board composed of parts of different types of wood, for doors, shutters, walls, furniture etc. : de en
  • US1973525A - Process for improving the magnetic properties of iron and iron alloys : en
  • US1972899A - Shoe and foot-supporting device : en
  • US1973012A - Substitution products of the carbazole sulphonic acids : en
  • CH171758A - Automatic firearm. : de en
  • US1973611A - Adapter unit for fifth wheels : en
  • US1973453A - Gain control : en
  • AU1546133A - Butter Cutter : en
  • CH171774A - Device for determining the load on an energy distribution network fed by a kilowatt hour meter. : de en
  • US1973103A - Refrigerant compressor valve : en
  • US1973262A - Douche : en
  • CH171983A - Process for the preparation of an azo compound. : de en
  • FR770156A - Hub for pallets of rotating machines with at least three vanes or vanes and in which axial flow is predominant : en fr
  • US1973117A - Resistor molding apparatus : en
  • CH171903A - Carrying frame for rucksacks. : de en
  • CH171968A - Machine for sharpening mower blades. : de en
  • CA344560A - Fuel product : en fr
  • CH171892A - Alarm device for generating acoustic signals, in particular for use in the event of accidents or natural disasters. : de en
  • US1972955A - Ejector : en
  • US1973415A - Safety system for small x-ray units : en
  • CH171853A - Discharge vessel filled with gas or steam. : de en
  • AT138717B - Rotatable insert stand for storing food containers, especially in kitchen boxes, ice boxes, sales counters and the like. like : de en
  • US1972917A - Fume hood : en
  • US1973588A - Change-over apparatus : en
  • CH171949A - Process for the preparation of a condensation product of the anthracene series. : de en
  • ES134811A1 - An automatic plomador. [GOES TO UTILITY MODEL Nº 2048]. : en es
  • GB416176A - Improvements in or relating to automatic volume control systems suitable for use in radio receivers and like apparatus : en
  • GB416208A - Spinning top device : en
  • US1972981A - Hair straightening device : en
  • US1973377A - Fluid heater : en
  • CH171641A - Method of briquetting peat. : de en
  • CH171856A - Device for reducing the ionization in the space of grid-controlled valves immediately surrounding the anodes on all sides. : de en
  • US1972980A - Electric signaling and recording system : en
  • US1973468A - Method and means for photographic printing : en
  • USD93275S - Design fok an auxiliary game table : en
  • CH171907A - Method and device for the production of iron band fasteners by means of interlocking incisions in the band ends to be connected. : de en
  • US1972986A - Pressure governor : en
  • US1973053A - Elevator signaling system : en
  • US1973212A - Toothbrush : en
  • ES135180A1 - Procedure for the imitation of metal bas-reliefs, using thin metal sheets on any support : en es
  • GB416156A - An improved grooving or rebating plane or like hand tool : en
  • GB416566A - A method of producing coloured photographic images : en
  • DE584651C - Process for the manufacture of deoxidizing agents : de en
  • CA344587A - Bell ringing mechanism : en fr
  • DE602579C - Schuettelrutschen connection with shots fixed against each other in their height position by groove guides : de en
  • FR770159A - Devices for lubricating distribution members such as drawers or others : en fr
  • CH171864A - A set consisting of a porcelain body and a group of fastening bodies for the production of split tooth crowns. : de en
  • CH171866A - Device for introducing remedies into the body by means of lonthophoresis. : de en
  • US1973141A - Apparatus for treating liquids and gases : en
  • US1973120A - Fuse link : en
  • FR770386A - Thermometer-radiator for shoe machines : en fr
  • DE602637C - Process for obtaining purified vegetable lecithin : de en
  • ES135149A1 - Improvements in heavy oil carburetors for internal combustion engines. : en es
  • FR770284A - Improvements to hole pool games : en fr
  • FR770407A - Controller for a cooling device incorporating a thermostat : en fr
  • GB416472A - Improvements in or relating to vehicle bodies : en
  • US1972957A - Draft gear and spring seat therefor : en
  • CH171818A - Device for heating water-cooled internal combustion engines, in particular vehicle engines. : de en
  • CH171910A - Smoking article packaging with included matches. : de en
  • CH171936A - Single axle drive for adhesion or gear locomotives with double reduction gears. : de en
  • GB416075A - Improvements in and relating to spectacle frames : en
  • GB416443A - Improvements in and relating to furnaces : en
  • GB416453A - An improved cop-winding machine : en
  • ES134598A1 - A special system apparatus to turn the harvest when being beaten : en es
  • US1973246A - Adding and sorting machine : en
  • US1973403A - Decalcomania and method of making : en
  • CA344516A - Engine cylinder surface : en fr
  • US1973088A - Molded block building construction : en
  • FR770379A - Advanced lubrication device : en fr
  • FR770160A - Concentrate of aromatic plants and process for obtaining this concentrate : en fr
  • FR770280A - Dust extractor humidifier for central heating radiators : en fr
  • ES134329A1 - A mechanism for obtaining curved tables. : en es
  • ES135239A1 - System to prevent theft by robberies in banks or other establishments. : en es
  • GB416335A - Improvements relating to door handle fittings : en
  • FR770477A - Knife ironing machine : en fr
  • GB416669A - Improvements in or relating to steam power systems embodying compound or multi-expansion steam engines : en
  • DE602558C - Capacitor in which a desired increased or weakened temperature dependency or also the elimination of the same is brought about by the thermal expansion of the spacer between the capacitor plates : de en
  • GB416186A - Improvements in or relating to high resistance alloys primarily for use in thermionic valve and like cathode cores : en
  • ES135181A1 - A new stop or lock system for nuts and bolts on railway tracks and for other applications. : en es
  • GB416308A - Improvements in and relating to methods of transmitting high frequency currents along conductors : en
  • GB416106A - Improvements in and relating to electrically heated ovens and like chambers : en
  • GB416448A - Improvements relating to boxes and the like for packing hats : en
  • GB416330A - Improvements relating to box kerbs : en
  • GB416169A - Improvements in tie rods for aircraft : en
  • GB416584A - Improvements in attachments for the vertically moving warp thread carriers of gripper looms : en
  • AT138690B - DC generator for constant current. : de en
  • GB416567A - Improvements in gear changing mechanisms : en
  • FR770492A - Throttle adjustment device for combustion machines : en fr
  • GB416341A - Improvements in or relating to knee joints for artificial limbs : en
  • ES134500A3 - Improvements in the manufacture of trestles for roofing made of cement and asbestos or other similar mixture : en es
  • DE602647C - Centrifugal pump for preheating liquids, especially feed water : de en
  • FR770349A - Device for controlling the position of an object : en fr
  • GB416268A - Improvements in apparatus for vulcanizing pneumatic tyres : en
  • GB416473A - Improved method of fining borosilicate glasses and products produced thereby : en
  • FR770329A - Gas mask refinements : en fr
  • FR770262A - Method of manufacturing a pattern film with a lenticular network : en fr
  • GB416461A - Unitary electric motor and power transmitter : en
  • FR770234A - Landing gear for flying devices : en fr
  • FR770476A - Gear shift mechanism : en fr
  • FR770240A - adjustment scale for broadcast receivers : en fr
  • ES135188A1 - Improved procedure for the destructive hydrogenation of solid carbonaceous materials containing basic elements : en es
  • GB416291A - The manufacture of new heterocyclic sulphonic acids : en
  • GB416098A - Improvements in spirit varnishes and the like : en
  • FR770537A - Block-system with sections, with automatically controlled signals : en fr
  • GB416116A - Improvements in or relating to foundry moulding machines and the like : en
  • GB416233A - Improvements in or relating to tools for roughing shoe parts to be connected by adhesive : en
  • CA344523A - Dryer roll exhaust : en fr
  • US1972857A - Leaf spring : en
  • US1973528A - Flaw detector mechanism : en
  • US1973536A - Structural toy : en
  • DE602552C - Route block key lock : de en
  • GB416784A - Improvements in and relating to locking devices, more particularly for the doors of motor vehicles and the like : en
  • DE602633C - Outdoor high voltage capacitor for high frequency messaging : de en
  • FR770233A - Electrolytic cell : en fr
  • FR770465A - Improvements to mooring anchors : en fr
  • DE602767C - Centrifugal contact regulator : de en
  • US1973204A - Boring machine : en
  • US1973458A - Guiding mechanism : en
  • ES134608A1 - An apparatus for the separation of pulverized or granular material : en es
  • FR770352A - Cover strip for the fixing points of the canvas to the structure of flying machines : en fr
  • FR770342A - Improvements to winches operating fodder unloaders and all unloaders-carriers : en fr
  • GB416342A - Improved means for relieving the compression in the cylinders of internal-combustion engines to facilitate starting : en
  • GB416435A - Improvements in or relating to means for controlling and indicating the setting of apparatus for modulated carrier wave reception : en
  • US1972866A - Double seaming head : en
  • US1973140A - Adjustable illuminating device for hydrometers : en
  • US1973665A - Photograph and process of taking it : en
  • CA344626A - Brake tester : en fr
  • CH171969A - Rotating explosion engine. : de en
  • GB416391A - Method of making concrete, mortar and like materials waterproof or non-porous, and also strengthening them : en
  • FR770457A - Device for measuring the speed of movement of a mobile : en fr
  • GB416093A - Improvements in or relating to wind screens : en
  • GB416153A - Electrically-operated chucks for machine tools : en
  • FR770314A - Method and device for making cans : en fr
  • GB416253A - Improvements in scaffolding clamps : en
  • GB416346A - Improvements in and relating to buttonhole sewing machines : en
  • US1972855A - Yoke and coupler butt connection : en
  • US1973584A - Raft : en
  • FR770547A - Method and apparatus for the manufacture of welding rods or wires : en fr
  • ES135195A3 - Staggered or zone cooling in domestic or industrial refrigerators. : en es
  • US1973137A - Safety coupling for screw joints : en
  • US1973449A - Protector for foods : en
  • US1973474A - Process of producing antiknock compounds : en
  • CA344481A - Laundry bag : en fr
  • DE602600C - Arrangement for obtaining emanation : de en
  • DE602641C - Tie holder for stand-up collar : de en
  • ES2909U - An aspirator-injector for clinical applications (Machine-translation by Google Translate, not legally binding) : en es
  • GB416145A - Improvements in and relating to means for attaching roses to watering cans, hose, taps and the like : en
  • US1973080A - Method of impregnating conduits : en
  • US1973402A - Orthopedic appliance : en
  • CA344518A - Printing process : en fr
  • NL33589C - Process for the preparation of rapidly hardening phenolaldehyde materials for acid-fast coatings and buildings : en nl
  • CA344512A - Grinding wheel device : en fr
  • CH171770A - Device for recording sounds on a recording surface. : en fr
  • US1973200A - Tone modulating horn for loud speakers : en
  • US1973543A - Supporting and dispensing device : en
  • DE602531C - Wrap holder for transferring cigar wraps : de en
  • DE602596C - Start-up circuit for electric traction vehicles : de en
  • DK49256C - Automatically, with Magazine Holder for Cash Magazine provided Firearms. : da en
  • FR770217A - Soft upholstery system for seating surface or seat backs : en fr
  • FR770239A - Device for automatic adjustment of the amplification coefficient : en fr
  • DE602666C - Outflow mouthpiece for chocolate : de en
  • ES2892U - Sprayer for the eyes. (Machine-translation by Google Translate, not legally binding) : en es
  • GB416262A - Measuring jacket for tailors : en
  • DE602608C - Washer : de en
  • CA344621A - Wire fabric machine : en fr
  • US1973340A - Method of making illuminated signs : en
  • US1973561A - Dispensing pump : en
  • FR770193A - Elastic sleeve or similar article, with thigh straps : en fr
  • FR770355A - Improvements to sound cinematographic films : en fr
  • FR770543A - Improvements in shoe stiffeners : en fr
  • CA344529A - Fluid control system : en fr
  • DE602530C - Device for treating cigar rolls : de en
  • DE602672C - Bottle washing machine : de en
  • FR770519A - Improvements to dry cleaning devices : en fr
  • US1973030A - Vehicle : en
  • USD93272S - Design for a beverage glass ob : en
  • CH171633A - Process for producing an artificial stone mass from cement. : de en
  • US1973460A - Circuit breaker : en
  • DE602595C - Rigid rail coupling : de en
  • GB416339A - Improvements in or relating to stereoscopic apparatus : en
  • GB416775A - Improvements in or relating to means for controlling and indicating the setting of apparatus for modulated carrier wave reception : en
  • US1973598A - Propeller : en
  • GB416230A - Improvements in and relating to hairdressing and/or beauty treatment appliances : en
  • FR770299A - Improvement to household containers for food consumption : en fr
  • FR770335A - Cable bead for pneumatic tire casings : en fr
  • CH171801A - Rolling element locking mechanism. : de en
  • DK49254C - Device for Siphons, which is built into closing caps for bottles and the like and has a valve. : da en
  • US1973428A - Cemented hard carbide material : en
  • US1973671A - Clutch mechanism : en
  • FR770248A - Rotary tube furnace : en fr
  • CH171788A - Double-edged razor blade. : de en
  • DE602689C - Flux for electrodes for electric arc welding : de en
  • ES135060A1 - Gasifier device, applicable to explosion engines of trucks, automobiles, tractors and marine engines, so that they can consume diesel as fuel instead of gasoline. : en es
  • AT138667B - Washers for sealing roller bearings. : de en
  • CH171882A - Self-seller with the collection of basic fees caused by resetting a default work under the influence of a time work. : de en
  • DE602673C - Process for removing coarse suspended matter, in particular labels, from bottle washing machines : de en
  • USD93314S - Design for a refrigerator cabinet : en
  • US1973174A - Loose leaf binder : en
  • US1973240A - Undertaker's block : en
  • GB416161A - Improvements in and relating to detachable vehicle rims : en
  • GB416201A - Improvements in or relating to branch-fittings for water tubes and the like : en
  • GB416265A - Improvements in shank collars for boring, drilling, punching and like tools, and in appliances for attaching the same : en
  • GB416321A - Improvements in or relating to the thermostatic-control of the feed supply and heating in steam generators : en
  • FR770429A - Method and device for the hydrogenation of carbonaceous materials : en fr
  • DE1311539U - : de en
  • DK49241C - Packing for confectionery and the like, especially chewing gum. : da en
  • DE597429C - Process for the production of rubber articles from rubber milk : de en
  • ES135271A1 - Safety device for hydraulic brakes. : en es
  • ES135183A1 - New combined radiotelephone emission and reception procedure that eliminates disturbances or noise produced by parasites. : en es
  • ES2589Y - Hermetic closure that constitutes a seal for tin cans. : en es
  • ES135146A1 - A procedure for the printing of cover sheets for floors and walls. : en es
  • FR770287A - Remote control of radio stations and others : en fr
  • FR770371A - Improvements made to fuel systems to ensure cold starting and running of internal combustion engines : en fr
  • GB416442A - Improvements in and connected with apparatus for use with high speed or heavy load elevators, hoists, and/or the like : en
  • US1973218A - Gasoline engine starter : en
  • IE12814L - Football bladder valves : en
  • ES2421Y - Box-packing for cigarette paper, gummed paper and similar articles. : en es
  • GB416927A - Process of producing solidified mineral oil preparations : en
  • FR770153A - Apparatus for continuous material extraction : en fr
  • FR770462A - Improvements in the manufacture of pneumatic tires : en fr
  • GB416468A - Improvements in or relating to cinematographic projectors : en
  • ES135150A3 - Procedure for using super-oxidized drying oils for emulsion gluing of natural or artificial textile fibers. : en es
  • DE602352C - Autonomous sound recording machine : de en
  • GB416314A - Process for the after treatment of sterile material in the form of bands or filaments : en
  • ES135023A3 - Progressive vibration device (balourd). : en es
  • FR770517A - Improvements to surface heat exchangers for fluids : en fr
  • DE602584C - Process for the production of anti-knock fuels : de en
  • FR770494A - Tractor trolley, mixed and combined traction : en fr
  • FR770177A - Cufflink enhancements : en fr
  • FR770185A - Method and devices for improving the power supply of internal combustion engines : en fr
  • FR770499A - Method of use by flattening used automobile tires and the like : en fr
  • ES2453Y - Mouthpiece or pipe for smoking tobacco, cigarettes, cigars and the like. : en es
  • FR770307A - Sliding window : en fr
  • DE602752C - Procedure for aligning polygonal blocks in a block lathe : de en
  • ES134504A1 - Improvements in creasing machines or preparing shoe soles : en es
  • FR770408A - Typewriter Improvements : en fr
  • GB416081A - Means for absorbing moisture from the atmosphere : en
  • GB416471A - Improvements in means for transporting railway vehicles by road : en
  • GB416191A - Manufacture of tanning substances : en
  • DE602648C - Device for removing the bottom sheet from a stack of sheets : de en
  • DE602497C - Contact-safe connection of foils, in particular of power connection pieces and active coating on electrical capacitors : de en
  • DE602738C - Loading bridge : de en
  • US1973194A - Carton : en
  • USD93284S - Design fob a textile fabric or sim : en
  • CH171860A - Lighting system. : de en
  • ES2878U - Cord for seals. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770279A - Improvement in circuit breakers for high voltage : en fr
  • US1973221A - Novelty cigarette container : en
  • US1973435A - Footometer : en
  • CA344490A - License plate securing device : en fr
  • CH171800A - Gear for converting the torque respectively. the speed. : de en
  • ES2845U - A bathtub (Machine-translation by Google Translate, not legally binding) : en es
  • FR770518A - Wedge door stop : en fr
  • IE13074L - Pipe couplings : en
  • CH171723A - Process for the preparation of a trisazo dye. : de en
  • US1973439A - Recovery of phosphates from minerals : en
  • AT138718B - Display device for grandfather clocks, barometers, counters, etc. like : de en
  • US1972950A - Winder : en
  • US1973445A - Guard device for moving structures : en
  • US1973502A - Cable clamp : en
  • US1973142A - Method of and system for supplying fuel to an internal combustion motor : en
  • US1972997A - Structural element : en
  • ES135267A1 - An apparatus to obtain leather cords. : en es
  • FR770415A - Multiple draw bench : en fr
  • GB416214A - Improvements in steel alloys : en
  • GB416288A - Improvements in demountable bodies for vehicles : en
  • GB416786A - Improvements in or relating to intermittently operating absorption refrigerating apparatus : en
  • CH171681A - Control system for high-speed weaving machines, especially with gripper guards. : de en
  • GB416401A - Improvements relating to vanity cases : en
  • USRE19313E - Split reduction device : en
  • AT138715B - Coordinatograph. : de en
  • US1973185A - Gear and gear tooth : en
  • US1973236A - Paper bag : en
  • US1973075A - Space discharge tube : en
  • USD93271S - Design for a burial casket : en
  • USD93303S - Design fob a bottle : en
  • DE602621C - Electro-hydraulic rudder system for ships : de en
  • ES2483Y - T-shaped joint for pipes. : en es
  • ES135169A1 - Pressing process for the manufacture of presses prepared for rings. : en es
  • FR770208A - Improvement to wicks or safety ignition cords : en fr
  • GB416396A - Improvements in or relating to modulated carrier wave transmitters : en
  • US1973024A - Greasewood product : en
  • CH171634A - Process for the production of a porous building material by burning clay-containing substances. : de en
  • US1973013A - Waterinsoluble azodyestuffs : en
  • USD93299S - Design for a bottle : en
  • US1973108A - Holder for fragile articles : en
  • US1973073A - Electrical apparatus : en
  • CH171657A - Removable rolling service. : en fr
  • DE602559C - Laterally attachable jack : de en
  • FR770373A - catalyst and ionizer equipment for internal combustion engine carburetors : en fr
  • CH171909A - Containers, especially squeeze tubes. : de en
  • US1973361A - Headlight attachment : en
  • US1973607A - Method and apparatus for pumping and separating liquids : en
  • US1973106A - Measuring instrument : en
  • CH171924A - Anti-skid chains for automobile tires. : de en
  • CH171709A - Electric device for the purification of fluids, in particular air. : en fr
  • CH171743A - Process for the treatment of black and white photographic images. : de en
  • AT138655B - Bag handle with automatic lock. : de en
  • CH171614A - Garden rake with interchangeable accessory. : de en
  • US1973511A - Method of grinding : en
  • US1973390A - Timing device for brushing operations : en
  • USD93296S - Design for a tumbler : en
  • US1973161A - Wheel : en
  • USD93308S - Besign fok a service station building : en
  • CH171754A - Throwing game facility. : de en
  • US1972921A - Automatic tuning device for radioreceivers : en
  • USRE19312E - Tool driver : en
  • FR770428A - Pipe, cigar-holder or cigarette holder with a nicotine-retaining filter : en fr
  • FR770364A - Coatings for sheet or ribbon materials, application of said coatings to these materials and products obtained : en fr
  • ES135211A3 - Radiation boiler improvements. : en es
  • CH171672A - Method for stretching the top and the machine for performing the method. : de en
  • US1973121A - High amperage remote control switch : en
  • US1973634A - Method of treating food products and resulting articles : en
  • US1972937A - Process for effecting catalytic reactions : en
  • US1973623A - Apparatus for ventilating ships' cargo compartments : en
  • ES134363A1 - Improvements in gas meters with distribution box : en es
  • ES135172A2 - A device for aerating liquids, especially musts in yeast factories : en es
  • CH171874A - Process for the preparation of an aqueous solution of a heavy metal compound of an aromatic halyl sulfamide. : de en
  • CA344583A - Goffering machine : en fr
  • US1973220A - Convertible toy vehicle : en
  • DE602377C - Rotogravure printing machine : de en
  • DE602713C - Luffing crane with handlebars below the free end of the jib : de en
  • FR770237A - Apparatus for testing or testing lines in telephone installations : en fr
  • GB416285A - Process of and apparatus for refining molten zinciferous lead : en
  • DE602688C - Station switch with a fault current coil between the neutral conductor and an auxiliary earth : de en
  • AT138702B - Procedure for operating self-excited inverters and rectifiers. : de en
  • AT138741B - Process for the production of nickel carbonyl. : de en
  • US1972876A - Method of extracting cardio-active principles of squill : en
  • US1972959A - Price ticket holding device : en
  • US1973590A - Recovery of zinc, lead, tin, and cadmium values : en
  • CH171826A - Telecommunication cables and process for their manufacture. : de en
  • DE602775C - Method and device for the production of artificial threads : de en
  • GB416460A - A new or improved fire-escape : en
  • AU1429533A - Improvements ingrain harvesting machines : en
  • AU1437433A - Device for supplying petrol gas and steam to petrol engines : en
  • CA344586A - Sub-soil nature determining method : en fr
  • CH171638A - Rod lock for windows and doors. : de en
  • US1972924A - Manufacture of treatment of filaments, yarns, or threads of cellulose derivatives : en
  • US1973405A - Synchronizing apparatus : en
  • CA344513A - Foot arch protector : en fr
  • US1973227A - Method for making valve spring retainer locks : en
  • DE602573C - Device for the automatic lowering of shop window shutters, curtains, etc. like : de en
  • FR770201A - Process for obtaining a product containing rubber for coatings and binders : en fr
  • ES135251A3 - Improvements in the manufacture of corrugated plates of cement and asbestos or other similar mixture, for roofs. : en es
  • AU1414833A - Improvements in evacuated electric discharge vessels : en
  • DE602560C - Wire glass substitute made of tissue with a coating of cellulose esters or ethers : de en
  • FR770197A - Fixed lifting device for motor vehicles, serving as a jack and an anti-theft device : en fr
  • GB416328A - Improvements in or relating to overhead current collector gear for electric locomotives and the like : en
  • US1973097A - Network protector : en
  • GB416256A - The production of concentrated solutions of follicle hormones and their esters : en
  • DE602667C - Automatic release and locking device of a gear transmission for synthetic resin presses : de en
  • GB416463A - Improvements in constant pressure gas turbine plant : en
  • CA344537A - Combustion control system : en fr
  • AU1574533A - Improvements relating to telephone systems : en
  • USD93317S - Design for a vanity case or : en
  • FR770343A - Agglomerate and process for the manufacture of this agglomerate : en fr
  • GB416122A - Improvements in means for supporting and positioning angle-iron and like bars duringcutting, punching and drilling operations : en
  • US1973356A - Weft feeding shuttle for automatic looms : en
  • CH171930A - Motor vehicle for rail operation. : de en
  • GB416074A - Improvements in or relating to anamorphotic optical systems : en
  • GB416446A - Improvements relating to incandescence gas-burner : en
  • FR770478A - Burner for gaseous or gasified fuels : en fr
  • GB416129A - Improvements relating to price changing mechanism for meters : en
  • CH171739A - Album for photos, postcards and other pictures. : de en
  • AT138748B - Process for the production of sintered metal alloys. : de en
  • DE602700C - Automatic trolley brake : de en
  • US1972891A - Method of extracting diphenylamine : en
  • US1973245A - Apparatus for drying cellulose films and the like : en
  • DE602496C - Process for increasing the dynamics of the reproduction of radio performances : de en
  • ES135258A3 - A procedure for the manufacture of sponge rubber carpets, mattresses, cushions and the like. : en es
  • GB416225A - Improvements in or relating to shirt cuffs : en
  • FR770544A - Device for the use of heavy fuels to supply gasoline engines : en fr
  • GB416492A - Improvements in or relating to coffee percolators and the like : en
  • FR770308A - Safety device, in particular for electric traction railway networks : en fr
  • FR770549A - Improvements to air preheaters and thundering mixture gasifiers : en fr
  • AT138737B - Process and cast iron for the manufacture of cast iron articles hardened by nitriding. : de en
  • DE602726C - Cap-like grinding or polishing body : de en
  • US1973661A - Indirect lighting lamp : en
  • ES135168A1 - Perfeccionamientos in apparatuses for the cleaning in dry. : en es
  • FR770315A - Metal paver : en fr
  • FR770455A - Denture : en fr
  • GB416368A - An improved ball cock for use in refilling flushing cisterns : en
  • FR770190A - Improvements to devices to control and indicate the setting of modulated carrier wave receivers : en fr
  • IE12773L - Road scarifiers. : en
  • FR770158A - Ignition distributor : en fr
  • FR770456A - Device for improving the voltage characteristic in rectifier arrangements comprising at least two polyphase main transformers the primary windings of which are cascaded : en fr
  • GB416311A - Improvements in and relating to steam power plants : en
  • ES2870U - Paper napkin with protection cover automatically detachable when opening it. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770292A - Lighting device for cycles and motorcycles : en fr
  • GB416135A - Improvements in or relating to hinges : en
  • DE602495C - Level measurement method according to the zero method in telecommunication lines and circuit for practicing the method : de en
  • US1973650A - Gas and liquid separator : en
  • FR770507A - Flange for tubular body divided lengthwise : en fr
  • FR770464A - Process for preparing an additional agent for baking, pastry making, etc., from milk, and in particular low-fat milk : en fr
  • GB416117A - Improvements relating to railway level crossing signals : en
  • GB416450A - Improvements relating to the combustion chambers of compressionignition oil engines : en
  • FR770310A - Additional device for observing suspended drops, applicable to conventional microscopes : en fr
  • FR770484A - Safety device for automatic lowering of gas pressure : en fr
  • GB416398A - Improvements in or relating to optical lenses and similar devices : en
  • CH171674A - Drafting system for spinning and roving machines (Flyer). : de en
  • FR770195A - Improvements to flexible hose connection devices : en fr
  • FR770521A - Provision for automatic telephone systems : en fr
  • CH171756A - Motorboat carousel. : de en
  • GB416196A - Improvement in price tags : en
  • GB416199A - Improvements in or relating to devices for raising liquids : en
  • CH171675A - Spinning or twisting machine. : de en
  • US1973426A - Apparatus for the degreasing of materials by means of volatile solvents : en
  • US1973434A - Refractory brick and process of making same : en
  • US1973517A - Radiant and convection superheater : en
  • FR770432A - Improvements to balers for straws and similar materials : en fr
  • US1973139A - Fishing fly : en
  • US1973276A - Vehicle advertising display apparatus : en
  • US1973392A - Water cooler : en
  • US1973541A - Deep oil well pump : en
  • US1973601A - Apparatus for handling fire extinguishing materials and for producing fire extinguishing foam : en
  • USD93300S - Design for a bottle : en
  • DE602493C - Microphone membrane : de en
  • US1973309A - Ground turner : en
  • DE602520C - Automatic trailer coupling, especially for semi-trailers with trailers for heavy loads : de en
  • CH171733A - Process for coating objects in aluminum or aluminum alloy. : en fr
  • US1972863A - Handling apparatus for airships : en
  • US1973014A - Vehicle dumping mechanism : en
  • US1973298A - Radio transmitting and receiving system : en
  • US1973430A - Process for breaking oil-field petroleum-water emulsions : en
  • DE602711C - Process for the preparation of a calcium salt solution suitable for injection : de en
  • FR770173A - Mechanical razor : en fr
  • US1972935A - Body bolster : en
  • US1973557A - Production of pulp, etc. : en
  • US1972893A - Steam boiler : en
  • DE602660C - Machine with counter-rotating pistons acting on a crankshaft, in which the crosshead is connected to the upper piston by a pivot pin : de en
  • DE602619C - Device for loosening the automatic trailer coupling with a pincer-shaped coupling element, especially for motor vehicles : de en
  • GB416066A - Improvements in web supply means for printing and other machines : en
  • GB416092A - Improvements in compression ignition direct injection oil engines : en
  • AT138699B - Arrangement for converting direct current into alternating current by means of a converter. : de en
  • US1973382A - Shade operating device for automobiles : en
  • US1973025A - Acid wool dyestuff of the anthraquinone series : en
  • US1973148A - Products adapted fob the produc : en
  • US1973376A - Garment hanger : en
  • CH171935A - Device for removing ice from racks on mountain railways. : de en
  • US1973160A - Bedpan equipment for mattresses : en
  • CH171748A - Holy water bowl. : de en
  • FR770374A - Automatic device control device : en fr
  • GB416569A - Improvements relating to the boiling of liquids : en
  • GB416581A - Improvements in or relating to pattern reproducing for shoe-making : en
  • AT138704B - Method and arrangement for converting direct current into alternating current, or alternating current into one of a different frequency. : de en
  • CH171652A - Sliding organ for curtains and the like. : de en
  • US1973565A - Window mounting : en
  • US1973657A - Well drilling bit and its process of manufacture : en
  • CA344525A - Alloy production : en fr
  • CH171745A - Exposure meter for determining the exposure time of photographic recordings. : de en
  • GB416378A - Improvements in or relating to processes for treating oleaginous seeds, fruits and other vegetable material : en
  • US1973178A - Theater chair : en
  • US1972854A - Methods of applying indicia to rounded surfaces of small radius : en
  • US1973602A - Electrolytic condenser containing monoethanolamine : en
  • CH171611A - Motor mower. : de en
  • DE602541C - Articulated coupling, especially for rolling mills : de en
  • GB416427A - Improvements in and connected with baskets, lamps shades, and other hollow articles of a collapsible nature : en
  • AT138687B - Method and device for television with simultaneous sound transmission. : de en
  • CA344545A - Metal cathode ray tube window : en fr
  • CH171773A - Watertight timepiece box. : en fr
  • AT138742B - Process for the production of sodium dichromate. : de en
  • US1973197A - Hydraulic drilling device : en
  • US1973563A - Highway traffic signal system : en
  • US1973371A - Blast torch : en
  • USD93291S - Design for a curtain or the like : en
  • US1973256A - Dispensing container : en
  • US1973385A - Television apparatus : en
  • US1973668A - Hydraulic hoist-lever construction : en
  • CH171848A - Installation auto switch. : de en
  • CA344480A - Miniature packet : en fr
  • CA344498A - Spinning apparatus : en fr
  • CH171757A - Safety device on hunting rifles. : de en
  • CH171889A - Radio receiver. : de en
  • CA344543A - Electron discharge device : en fr
  • FR770546A - Turning back to change the wagons : en fr
  • US1972923A - Process of producing textile materials and product thereof : en
  • US1973173A - Wheel counterbalance : en
  • US1973451A - Blast furnace charging hopper : en
  • AT138707B - Method and device for isolating power supplies from control currents of non-network frequency in remote control systems. : de en
  • CA344619A - Fastening inserting machine : en fr
  • CH171782A - Valve seat cleaner. : de en
  • US1973347A - Dispensing device : en
  • US1973554A - Elastic fluid turbine : en
  • US1973157A - Spring construction : en
  • US1973265A - Electric switch : en
  • US1973586A - Typographical machine : en
  • DE602527C - Sharpening tool for sharpening the rotating knife blades or the blade of the counter knife of grass pickers u. like : de en
  • AU1506333A - Magnetic cores : en
  • CH171694A - Solvents for use in chemical laundry. : de en
  • DE602454C - Device for the simultaneous transmission of acoustic messages to different subscribers in a telephone network from a transmitter station : de en
  • US1972873A - Azo dye and method for its preparation : en
  • AT138685B - Device for controlling vacuum cells with the help of anode grids. : de en
  • AU1628734A - Improvements in carrier frequency signalling systems : en
  • CA344605A - Drip-feed device : en fr
  • CH171656A - Saucer. : en fr
  • DE602748C - Process for the preservation of animal skin bones : de en
  • FR770536A - Improvements made to grinding wheels for flour mills : en fr
  • GB416382A - Method of and apparatus for the measurement of altitudes and other values from aircraft : en
  • DE602692C - Device for measuring the amount of liquid in a container : de en
  • US1973301A - Antenna circuit : en
  • US1973624A - Automobile fastening device : en
  • ES2876U - Artifact so that the kitchen utensils are adhered avoiding their displacement. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770387A - Improvements to lamps and light tubes : en fr
  • GB416099A - An improved device for cutting wire or the like : en
  • US1972903A - Apparatus for handling strip material : en
  • US1973128A - Method of and apparatus for controlling the refueling of coal stokers : en
  • US1973289A - Engine starting mechanism : en
  • US1973660A - Hydraulic pressure fluid : en
  • AT138660B - Durchzugstreekwerk. : de en
  • FR770199A - Multiple coin dispenser : en fr
  • FR770362A - Copper deoxidation improvements : en fr
  • CH171852A - Relaxation oscillation circuit arrangement. : de en
  • CH171916A - Device for automatic substitution of a reserve electrical signaling device for another which ceases to function. : en fr
  • CH171929A - Cock for compressed air actuation of speed change gears in motor vehicles, in particular for installation in multiple arrangements in railroad and tram motor vehicles. : de en
  • DE602656C - Whipped hardness checker : de en
  • US1973094A - Power tube : en
  • US1973587A - Eyeglass structure : en
  • CH171858A - Gas valve for controlling a burner with safety burner. : en fr
  • GB416381A - Improvements in or relating to tubes employed as holders for textile threads or yarns : en
  • GB416424A - A new or improved control mechanism particularly for controlling preselective change-speed gearing : en
  • US1973507A - Actuating mechanism for profile grinders : en
  • US1973037A - Amplification system : en
  • AU1670934A - Improvements in or relating tothe manufacture of sliding clasp fasteners : en
  • CA344580A - Farm building : en fr
  • CH171962A - Process for the preparation of a dye. : de en
  • FR770451A - Auto Freewheel Clutch For Automotive Cars : en fr
  • GB416130A - Improvements in or relating to toy building blocks : en
  • FR770224A - Improvements to the drive mechanism of internal combustion engine timing liners : en fr
  • GB416565A - Improved pipe or conduit, compositions and treatings and means for manufacturing it : en
  • ES134498A1 - A procedure for the construction of hollow bodies of reinforced concrete. : en es
  • FR770196A - Furnace for the incineration of urban waste : en fr
  • GB416842A - A new device for the permanent waving and curling of hair : en
  • AT138723B - Cleaning device, in particular for floors. : de en
  • AU1727534A - Improvements in or relating to traffic control signals : en
  • CH171710A - Method and device for preventing the penetration of dirty gas into high-voltage inlets for gas-filled rooms, in particular electrostatic precipitators. : de en
  • DE584692C - Limit sliding gauge : de en
  • ES135002A1 - A method of manufacturing an elastic fabric. : en es
  • GB416241A - Compensated compass especially for aerial vehicles : en
  • GB416403A - Improvements in and connected with projection screens : en
  • GB416220A - Improvements in or relating to wood rollers : en
  • GB416389A - Improvements in and connected with reels for electric cables and the like : en
  • GB416441A - Improvements in or relating to lids for saucepans and other cooking utensils : en
  • FR770167A - Device for indirect or semi-direct lighting : en fr
  • GB416467A - Improvements in boring machines : en
  • GB416125A - Improvements in machines for straightening metal and like bars : en
  • GB416217A - Method for the combination of rods, bars or tubes : en
  • ES1872Y - Packaging box for raw rubber rolls. : en es
  • ES135198A1 - Improvements introduced in the manufacture of kitchen heating boilers. : en es
  • GB416414A - Improvements in and relating to the control of alternating current electric motors : en
  • FR770369A - Rest and seat furniture folding in on itself : en fr
  • FR770452A - Cutter bar for mower : en fr
  • ES2885U - Cornete to contain tapes, trencills or similar materials (Machine-translation by Google Translate, not legally binding) : en es
  • DE1312184U - CLOCK WITH HANDS : de en
  • US1973662A - Process for reacting olefins with carbon monoxide : en
  • AT138710B - Electrolyte capacitive winding. : de en
  • CH171716A - Process for the preparation of 2-keto-1-gulonic acid. : de en
  • DE602651C - Device for automatic regulation of the feed water or heat supply to pipe steam generators : de en
  • DK49239C - Inserts Made of Cotton In Rubber Products. : da en
  • ES135162A1 - A gas protective device for staying at high altitudes and for other analogous applications. : en es
  • AT138711B - Television broadcast procedure. : de en
  • ES2841U - Security valve. (Machine-translation by Google Translate, not legally binding) : en es
  • GB416177A - Improvements in or relating to flexible couplings : en
  • DE602757C - Use of aqueous solutions of alkali acetate hydroperoxide : de en
  • US1973321A - Drainage device : en
  • US1972922A - Process and apparatus for making artificial filaments : en
  • US1972952A - Machine for making cigar wrappers : en
  • GB416206A - Electric contact devices for operating direction indicators on motor vehicles : en
  • GB416114A - Improvements in or relating to the production of positives from twocolour screen negatives : en
  • US1972989A - Dispensing and display device : en
  • US1973196A - Machine for depositing articles or viscous liquids and the like upon trays or in molds carried by a continuously traveling conveyer : en
  • US1973529A - guinot : en
  • US1972933A - Shoulder strap for garments : en
  • US1973041A - Drag conveyer and belt : en
  • US1973087A - Metal treating compound and method of using the same : en
  • CA344476A - Transmission mechanism : en fr
  • US1973348A - Driving mechanism for spinning frames : en
  • USD93263S - Design fok a hair waving machine : en
  • USD93301S - Design for a bottle : en
  • AU1669434A - Sparking plugs : en
  • US1973689A - Method of and apparatus for melting glass, etc. : en
  • AT138703B - Device for coupling an alternating current network of a given frequency with an alternating current network of lower frequency. : de en
  • US1973040A - Treatment of aluminum : en
  • US1973545A - Wakeless torpedo : en
  • ES135242A1 - Improvement in the procedure for the manufacture of tissue bags lined with paper. : en es
  • FR770522A - Folding hose for pneumatic extraction : en fr
  • GB416295A - Improved writing implement : en
  • US1972882A - Gyroscopic compass : en
  • US1972907A - Lubricant flow regulator : en
  • US1972983A - Reverse safety lock : en
  • DE602489C - Slide control for distributing the suction air in sheet depositing and depositing devices : de en
  • DE602372C - Process for the simultaneous production of dehydrated alcohol and hydrated lime : de en
  • DE602507C - Electrically heated water heater with heat storage facility : de en
  • DE602632C - Device for measuring the conductivity of substances, especially organic ones : de en
  • FR770440A - electrolyser, in particular for the production of hydrogen and oxygen under high pressure : en fr
  • ES2882U - Buckle for double support. (Machine-translation by Google Translate, not legally binding) : en es
  • US1973067A - Machine for operating on shoe parts : en
  • US1973271A - Terminal construction : en
  • US1973495A - Horseshoe with exchangeable calks : en
  • DE602448C - Portable registration device : de en
  • ES135237A1 - A mounting system to regulate the intensity of sound in interfrequency overlay receivers. : en es
  • GB416286A - Improvements in and relating to picture assembling means for television and like apparatus : en
  • US1973111A - High tension electric cable : en
  • FR770385A - Chimney cap to ensure draft in the most unfavorable cases : en fr
  • ES2910U - A wheel for trolleys and toys (Machine-translation by Google Translate, not legally binding) : en es
  • US1973146A - Fuel injection apparatus for internal combustion engines : en
  • ES135250A3 - Procedure for the manufacture of rubber belts and other rubberized materials. : en es
  • ES2798U - Visible file. (Machine-translation by Google Translate, not legally binding) : en es
  • GB416477A - Improvements in and relating to the hydraulic transmission of power : en
  • FR770189A - Device allowing communications between exchanges, between fully automatic telephone installations and / or semi-automatic installations of different digital systems : en fr
  • GB416242A - Improvements in or relating to looms of the revoluble shuttle box type : en
  • US1973581A - Drawing frame : en
  • US1972977A - Tabulating machine : en
  • US1973522A - Roofing : en
  • US1973400A - Talking motion picture apparatus : en
  • US1973419A - Garment : en
  • AU1419433A - An improved trestle adapted when necessary tobe used in combination with candelabra for use at funeral services : en
  • CA344547A - Cemented carbide : en fr
  • GB416437A - Improvements in or relating to rubber footwear : en
  • CA344473A - Metal plate handling device : en fr
  • ES135163A1 - A procedure for obtaining the winding pulleys used in the manufacture of artificial silk. : en es
  • FR770493A - Darkroom to reproduce to print autotypes and line engravings : en fr
  • GB416307A - Improvements in power-generating systems : en
  • GB416436A - Improvements in apparatus for reproducing and/or recording sounds : en
  • US1973077A - Rubber heel : en
  • US1973145A - Method of making milk products : en
  • DE602494C - Device to avoid non-linear distortion : de en
  • GB416300A - Improvements in and relating to poppet valves for internal combustion engines : en
  • ES135014A1 - Procedure for the manufacture of one layer reinforced glass. : en es
  • DE602668C - Securing for closures of bottles and containers : de en
  • DE602763C - A suction valve consisting of an adjustable rotary slide valve that is moved back and forth at regular intervals : de en
  • DE602498C - Electric heating device, e.g. B. for water : de en
  • US1973047A - Bearing : en
  • US1973282A - Earring : en
  • CA344540A - Container for hydrogen peroxide : en fr
  • GB416445A - Improvements in or relating to buffers for stopping railway vehicles : en
  • GB416180A - A machine for grinding or pulverising and mixing moulding sand and other materials : en
  • FR770162A - Improvements to radiation sensitive devices : en fr
  • GB416132A - Improvements in or relating to wall boxes for electric switches, fuses or the like : en
  • US1973071A - Window wiper : en
  • AT138709B - Participant apparatus for company management. : de en
  • CA344528A - Canning method : en fr
  • DE602421C - Device for burning cement : de en
  • US1973617A - Compartment vehicle : en
  • FR770311A - Light table : en fr
  • FR770253A - Process for the preparation, from mineral oils, of non-coloraut sulfonated compounds, and resulting products : en fr
  • ES135053A1 - A new procedure for the manufacture of ice cream : en es
  • GB416568A - Improvements in or relating to the manufacture of insulated electric conductors : en
  • DE602515C - Procedure for assembling a rubber bushing between inner and outer sliding links : de en
  • DE602756C - Iron mine support : de en
  • ES135009A1 - Improvements in the construction of apparatus for the stabilization of bodies that are subject to the influence of angular movement. : en es
  • DE602519C - After the rolling process with aluminum coated film strips whose core metal consists of iron or steel : de en
  • GB416171A - Improvements in hinges for spectacles : en
  • CH171895A - Projection apparatus, in particular for cloud writing. : de en
  • US1972865A - Centrifugal pump : en
  • US1973015A - Coke oven : en
  • US1973189A - Wire fabric seam : en
  • US1973556A - Supporting device for stranded transmission line conductors : en
  • USD93293S - Design for a railway car seat : en
  • DE602671C - Drinking vessel base with counting device : de en
  • FR770357A - Device to prevent or put an end to various ailments : en fr
  • FR770529A - protective screens for telephone devices : en fr
  • GB416313A - A device for documents of any description generally requiring a photograph : en
  • FR770269A - Process for deodorizing vegetable, animal or mineral oils or fats : en fr
  • GB416338A - Bridge support for eye glass frames : en
  • GB416344A - Improvements in and relating to welded joints : en
  • US1973175A - Automatic toaster : en
  • US1973228A - Dome cover for tank cars : en
  • DE602779C - Device for making sound recordings on films in Berlin script : de en
  • DE604773C - Resistance tablet for electric light bulbs to be attached to the center contact of the base : de en
  • DK49233C - For buckets, buckets and the like, specific carrying handle, which at the same time serves as an opening device for the bucket's layer. : da en
  • FR770222A - Multiple measuring instrument for current and voltage measurement : en fr
  • US1972859A - Roughening machine : en
  • FR770210A - Improvements in the manufacture of aldol polymerization products : en fr
  • FR770402A - Balanced mount for quick gun pointing : en fr
  • DE602627C - Electrically driven pendulum for timing purposes : de en
  • ES135207A1 - A manufacturing process of elastic fabric : en es
  • US1973591A - Method for producing structural members by welding and the structural members obtained thereby : en
  • DE602488C - Exchangeable hanging file holder : de en
  • GB416246A - Improvements in or relating to wireless navigation aiding systems : en
  • GB416258A - Improvements in or relating to photographic contact printing apparatus : en
  • FR770427A - Microscope : en fr
  • NL33657C - : en
  • DE602572C - Eccentric press for the production of pellets, namely from fluffy material : de en
  • DE602623C - Ski binding : de en
  • ES135202A1 - Distribution system for internal combustion or combustion engine. : en es
  • DE602613C - Device for lifting the presser foot of sewing machines : de en
  • DE602737C - Device for holding buckets on bucket trolleys with mutual anchoring of the buckets on the upper bucket parts : de en
  • ES134261A1 - A toy clock : en es
  • DE602708C - Machine for cutting up plate-shaped bodies, especially leather panels : de en
  • FR770228A - Method and apparatus for converting continuous filaments into yarns : en fr
  • FR770468A - Bulb packing mode for catgut or other surgical suture material : en fr
  • GB416072A - Improvements in or relating to turbines : en
  • FR770346A - Process for waterproofing films of cellulosic materials : en fr
  • US1973213A - Photographic camera with finder : en
  • CA344603A - Rubber vulcanization : en fr
  • CH171824A - Automatic electrical power regulator with remotely adjustable power value. : de en
  • US1973497A - Loose leaf binder : en
  • US1973622A - Apparatus for shaping receptacles : en
  • GB416084A - Improvements in or relating to the production of phosphorus oxychloride : en
  • FR770184A - Compressed gas vacuum cleaner for vacuum cleaning : en fr
  • FR770260A - Improvements to steam power plants with exhaust steam turbines : en fr
  • FR770288A - Level indicator for liquids : en fr
  • US1973123A - Power supply system : en
  • US1973244A - Ship to ship, ship to shore, and shore to ship air mail transfer system and apparatus : en
  • ES2767U - Label holder. (Machine-translation by Google Translate, not legally binding) : en es
  • GB416273A - Manufacture of derivatives of oxy-and amino-pyridine compounds : en
  • FR770212A - Elastic fastening device for rails on wooden sleepers : en fr
  • FR770483A - Improvements to air cooling of internal combustion engines : en fr
  • GB416270A - Improvements in or relating to percussive tools : en
  • GB416094A - Improvements in or relating to automatic or semi-automatic telephone or like exchange systems : en
  • US1973307A - Abrasive holder : en
  • GB416332A - Improvements in or relating to canopies for electric light fittings : en
  • GB416078A - Improvements relating to intake manifolds for internal combustion engines : en
  • ES134621A1 - A process for the preparation of preserves of food substances without heating. : en es
  • ES135182A1 - A process for the production of high molecular weight hydrocarbons. : en es
  • GB416488A - Improvements in dynamo electric machines : en
  • GB416112A - Improvements in water softeners : en
  • FR770393A - Improvements to automatic mechanical pencils : en fr
  • FR770514A - Thumbtack : en fr
  • FR770254A - Machine for emulsifying and thickening reconstituted milk cream, as well as liquids of different densities, hot and cold : en fr
  • GB416369A - Improvements in fittings for drop-leaf tables, and the like : en
  • GB416415A - Improvements in or relating to means for and methods of performing roughing operations on the bottoms of lasted shoes : en
  • FR770430A - Oscillating device for transmitters or receivers of underwater waves : en fr
  • FR770535A - Locking bicycle stand : en fr
  • GB416718A - Improvements in and relating to spinning, doubling and twisting machinery : en
  • DK49251C - Device for curved carbon slide contact pieces. : da en
  • FR770575A - Hearing aid for ultra-short wave receivers, particularly intended for television : en fr
  • DE602709C - Process for the production of vegetable staple fibers : de en
  • GB416425A - Manufacture and application of aroylaminoanthraquinones : en
  • ES135186A1 - Improvements in shaving machines. : en es
  • FR770244A - Gas-filled incandescent electric lamp : en fr
  • GB416209A - Apparatus for and methods of removing suspended particles from blast furnace gases : en
  • FR770368A - Protective device for motorcyclists : en fr
  • FR770312A - Contact printing process for partial color images on lenticular film : en fr
  • FR770372A - Lighters improvements : en fr
  • GB416216A - Improvements in and relating to apparatus for drying materials, particularly tea andother vegetable products : en
  • CH171871A - Process for obtaining a nucleotide derivative. : de en
  • FR770390A - Machine allowing the release from liquid sulfur dioxide, large volumes of gas anhydride at determined pressures with application to agriculture : en fr
  • CA344561A - Butyl alcohol and acetone : en fr
  • CA344607A - Bundling and wrapping machine : en fr
  • CH171943A - Device for actuating the thread guide for winding devices. : de en
  • CH171631A - Device for the production of hollow stones from plastic material. : de en
  • US1973102A - Vase marker : en
  • AT138721B - Tubes made of flexible material with a sterilizing effect. : de en
  • CH171905A - Device for making bundles of brushwood. : de en
  • CH171955A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • CH171772A - Luminous dial. : en fr
  • FR770461A - Perfected churn : en fr
  • GB416083A - Improvements relating to rotary kiln plants : en
  • GB416140A - Improvements relating to machines for cutting bracken : en
  • US1973653A - Stop motion for looms : en
  • GB416212A - Improvements in and connected with lifting and jacking devices : en
  • GB416334A - Improvements in or relating to golf tees : en
  • USD93285S - Design for a shoe : en
  • ES2911U - Apparatus designed to extract the bone from peaches and similar fruits used in the canning industry. (Machine-translation by Google Translate, not legally binding) : en es
  • FR770274A - Improvements to molding machines for pneumatic tires and other articles : en fr
  • GB416440A - Improvements in aircraft brakes : en
  • IE13274L - Manufacture of electrical cooking plates : en
  • GB416213A - Improvements relating to display signs : en
  • GB416134A - Improved construction of wooden casement frames and sashes, or the like : en
  • GB416250A - Improvements in capstans : en
  • GB416310A - Improvements in and relating to acoustic sounding apparatus : en
  • FR770174A - Device for actuating devices such as horns, automobile windshield wipers, etc., operating under vacuum : en fr
  • DE602653C - Ready-to-use ointment dressing for the treatment of limbs : de en
  • FR770395A - Process for obtaining gaseous fuels : en fr
  • FR770317A - Improvement in electric resistances of the grid type : en fr
  • GB416219A - A tool holder or handle or haft, for files or chisels or any tool to be held or gripped by the hand : en
  • US1973043A - Process for the production of brake drums provided with friction linings : en
  • US1973177A - Grinding machine : en
  • ES2907U - Curtains for curtains. (Machine-translation by Google Translate, not legally binding) : en es
  • GB416115A - Improvements relating to building motions for spinning, doubling, and other like machines : en
  • GB416170A - Improvements in and relating to electric arc lamps : en
  • US1973064A - Anti-friction bearing : en
  • US1973313A - Computing machine : en
  • FR770533A - Mechanism for working chambers of machines, such as motors, pumps or compressors, operating with gaseous or liquid fluid : en fr
  • DE602735C - Catching device for box belt conveyor with endless box belt running on inclined rail track : de en
  • GB416586A - Improvements in and relating to the manufacture of safety explosives : en
  • GB416237A - An improved closure for bottles and the like : en
  • GB416274A - Improvements in and relating to multi-spindle automatic lathes : en
  • DE593640C - Deoxidizer : de en
  • CA344569A - Bottle closure : en fr
  • CH171975A - Process for the preparation of an aqueous solution of the salt of tetramethyldiaminodiphenazthionium chloride with the dye from 1 mole of tetrazo-o-tolidine and 2 moles of 1-amino-8-naphthol-3,6-disulfonic acid. : de en
  • US1973107A - Dump cart : en
  • ES2884U - Apparatus for the extraction of zinc, lead or tin bath tubes (Machine-translation by Google Translate, not legally binding) : en es
  • DE602630C - Method for driving the picture composition apparatus of television receivers : de en
  • CA344483A - Razor blade sharpening device : en fr
  • CH171917A - Variable speed and automatically controlled transmission, in particular for motor vehicles. : en fr
  • FR770305A - Economic oven : en fr
  • DE601970C - Fastening device for parts rotating with a shaft : de en
  • GB416064A - Improvements in friction drop stamps : en
  • CH171835A - Device for remote control and remote monitoring of organs. : de en
  • DE602480C - High temperature heating system : de en
  • US1973203A - Nipkow disk for television : en
  • US1973079A - Friction shock absorbing mechanism : en
  • CA344551A - Electrical distribution system : en fr
  • US1973034A - Web printing machine : en
  • FR770420A - Process for the production of oxides of olefins, glycols and other oxidation products of olefins : en fr
  • CA344506A - Paper-making machine : en fr
  • CH171625A - Automotive tar machine. : en fr
  • CH171766A - Method for determining the silver content of liquids sterilized with silver or silver compounds. : de en
  • ES135153A1 - An optical projection device with image replacement. : en es
  • FR770285A - Electric crown lamp with several white or colored lights, for headlights, automobile projectors and all lighting in general : en fr
  • FR770424A - Automobile hood clasp : en fr
  • FR770510A - Shoe uppers fastening system : en fr
  • CH171711A - Process for sucking in and conveying liquids of all kinds and apparatus for carrying out the process. : de en
  • CH171922A - Device on the drive axles of vehicles to prevent one wheel from grinding when negotiating curves. : de en
  • AT138677B - Reduction gear attached to an alternator, in particular with an overhung armature, for driving an ignition interrupter. : de en
  • CH171885A - Signaling device in telephone subscriber stations. : de en
  • AU1414033A - Improvements in or relating to modulated carrier wave signalling systems : en
  • DE602753C - Process for the production of running towels for paper, cardboard and cellulose dewatering machines : de en
  • FR770376A - Electric lamp for semaphores and other railway signals : en fr
  • US1972871A - Fuse cover soldering machine : en
  • CA344484A - Relief valve : en fr
  • CH171843A - Control device for drives that are fed from power generators driven by internal combustion engines. : de en
  • US1972909A - Inflatable ball : en
  • US1973388A - Radiator structure : en
  • US1973559A - Nitration : en
  • US1973551A - Electromagnetic friction device : en
  • CH171645A - Device for controlling the fuel supply in oil firing systems. : de en
  • DE602525C - Automatic cooling and pressure system for cooling rooms and beer lines : de en
  • US1973171A - Furnace peep sight : en
  • US1972991A - Stormproof louver : en
  • US1973648A - Attachment for eyeglasses : en
  • US1973664A - Car truck : en
  • US1973018A - Clothes prop : en
  • US1973566A - Dispenser : en
  • US1973260A - Fruit slicing, coring, or pitting machine : en
  • US1973618A - Operating mechanism for switches : en
  • AU1644134A - Improvements in or relating tothe provision of articles with surface finishes : en
  • US1973355A - Propeller : en
  • US1973619A - Theft-preventing lock switch for automobiles : en
  • CH171697A - Laundry boiling kettle. : de en
  • US1973421A - Garment : en
  • FR770512A - Device for signaling alarms by means of the usual telephone lines : en fr
  • US1973329A - Indexing or dividing mechanism for machine tools : en
  • USD93269S - Design for a candy display table : en
  • FR770471A - Improvements made to devices for sharpening the blades of safety razors : en fr
  • US1972965A - Apparatus for treating sheet glass : en
  • US1973035A - Folding carton : en
  • DK49234C - Valve device for Combustion power machines. : da en
  • FR770220A - Process for refining magnesium and its alloys and recovering magnesium from waste : en fr
  • GB416665A - Improvements in and relating to platen printing presses : en
  • FR770318A - Spark plug improvements : en fr
  • FR770413A - Universal device for direct current and alternating current with dry rectifier : en fr
  • GB416465A - An improved sheet metal bottle or can : en
  • US1973322A - Connecter for hollow cables : en
  • USD93312S - Design for a shoe : en
  • GB416711A - Improvements relating to the preparation of contact or adsorbent substances and their application : en
  • DE602629C - Manufacture of base-exchanging substances : de en
  • DE602685C - Electrical enamelled wire capacitor for telecommunication cable purposes : de en
  • DE602769C - Device for the selective shutdown of sick parts of an electrical power network : de en
  • GB416158A - Improvements in the production of ferro-cobalt : en
  • GB416247A - Improvements in exhaust silencers for internal-combustion engines : en
  • GB416412A - Improvements in and relating to resinous compositions : en
  • US1973310A - Lever digger : en
  • US1973411A - Staple anchor : en
  • US1973515A - Flying shear : en
  • GB416143A - Improvements relating to the control of boiler feed pumps : en
  • GB416155A - Improvements in or relating to metal bobbins or spools : en
  • US1972970A - Welt tempering device : en
  • US1973028A - Fishing float : en
  • US1973050A - Manufacture of resinous condensation products of aldehydes with phenol and urea : en
  • US1973290A - Turbine : en
  • US1973472A - Purification of methyl-para-amino phenol : en
  • ES135012A1 - A procedure to photographically sensitize transparent papers made with gelatin. : en es
  • ES134520A1 - An apparatus for dosing and counting glasses for all kinds of bottled wines and liquors. : en es
  • GB416413A - Improvements in articles made by the use of solutions of vinyl ester resins : en