• NL34151C - : en
  • US1980685A - Marine motor : en
  • US1980171A - Dispersing particles suspended in air : en
  • CH173296A - Process for cleaning aluminum and its alloys. : de en
  • CA345998A - Bumper shield : en fr
  • US1980248A - Automatic variable pitch propeller : en
  • US1980344A - Glass furnace : en
  • CH173245A - Drive vehicle for suspension railways. : de en
  • CA346001A - Straw hat : en fr
  • USD93809S - Design for a locomotive unit for a : en
  • FI16146A - T-shirt : en fi
  • GB419533A - Improvements in road contact devices for road traffic signalling apparatus : en
  • GB419616A - Improvements in or relating to safety devices for use with machinery : en
  • DE605565C - Device for enclosing packages with wire, the clamping lever and lever for twisting and cutting the wire are mounted on the same shaft : de en
  • US1980242A - Telephone receiver : en
  • US1980701A - Golf practice device : en
  • US1980803A - Massage applicator : en
  • US1980725A - Printing machine : en
  • US1980255A - Tip-up for fishing through ice : en
  • US1980492A - Diaphragm restricting the image field in apparatus for projection with transmitted light : en
  • US1980700A - Electrical appliance time control : en
  • CH173049A - Oven. : de en
  • FR773333A - Sealing process for pistons : en fr
  • US1980724A - Printing machine : en
  • US1980614A - Electric fan : en
  • US1980779A - Battery cable terminal : en
  • US1980813A - Article of rubber and method of making it : en
  • USPP111P - Plaht pateht : en
  • US1980666A - Loom and fabric : en
  • US1980608A - Felt for paper machines : en
  • US1980820A - Elastic fluid generator : en
  • US1980898A - Method and apparatus for rapidly drying gelatinous material : en
  • CA345948A - Composite cloth : en fr
  • CH173053A - Boiling devices, in particular for butcher's goods. : de en
  • GB419364A - Improvements in or relating to the manufacture of cigarettes : en
  • US1980887A - Adjustable movable knife for lump presses : en
  • CA346052A - Amplifier : en fr
  • CH173244A - Change transmission for two or more speeds on bicycles with chain drive. : de en
  • US1980443A - Method of making intaglio printing plates : en
  • US1980411A - Article-collecting device : en
  • US1980519A - Radio-active rubber threads : en
  • CA346019A - Radio receiving system : en fr
  • DE605686C - Production of arsenic-free hydrochloric acid : de en
  • DE605705C - Connection of struts or cross frames with the belt rod for truss or frame structures made of tubular rods : de en
  • FR773127A - Folding armchair or chair : en fr
  • US1980282A - Method of protecting magnesium and high grade magnesium alloys from the action of corroding agents : en
  • CA345915A - Brake valve : en fr
  • CA345927A - Furniture leg shoe : en fr
  • DE605402C - Machine for conveying and dividing material webs, in particular made of rubber : de en
  • FR773220A - Process for the preparation of polyvinyl esters : en fr
  • CH172982A - Device for attracting and devouring flying and crawling small creatures. : de en
  • DE605358C - Nozzle for pressing liquids into loose masses : de en
  • ES3040U - Last articulated with a hinge. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419367A - Improvements relating to air separators for use in conjunction with pulverizers : en
  • GB419534A - Improvements in or relating to idlers for endless band conveyors : en
  • US1980689A - Electric heating attachment for electric fans : en
  • DE588759C - Process for dyeing and re-dyeing leather : de en
  • CH173019A - Steam cooker. : de en
  • CH173242A - Headlights, in particular for motorcycles. : de en
  • GB419611A - Improvements in the manufacture and production of oil varnishes : en
  • CH173238A - Cleaning and fire-fighting vehicle. : de en
  • AU1507033A - Improved flashing for telegraph poles andthe like : en
  • CA345992A - Hydrocarbon conversion : en fr
  • CA346013A - Gaseous discharge device : en fr
  • US1980837A - Grain hulling machine : en
  • ES3091U - Photo enamel (Machine-translation by Google Translate, not legally binding) : en es
  • FR773176A - Gas-filled electric discharge tube : en fr
  • FR773313A - Submersible canoe : en fr
  • GB419821A - Improvements in or relating to the wrapping of electric battery cell elements or dollies : en
  • US1980946A - Shoe bottom filling apparatus : en
  • FR773241A - : fr
  • US1980410A - Pulling-over machine : en
  • US1980642A - Paste tube cap : en
  • DE605532C - Magnetic core composed of nested rings of the same height of magnetic sheets of different conductivity for the purposes of telecommunications : de en
  • FR773109A - Device that adapts to parasol poles and allows tilting in three different positions : en fr
  • FR773287A - Method of forming an elastic tape on a fabric : en fr
  • DE598878C - Continuously working pressure cell rotary filter : de en
  • FR773227A - New billiard table : en fr
  • GB419403A - Improvements in washing and dry-cleaning machines : en
  • CH173059A - Liquid filter. : de en
  • DE605763C - Preparation of the oblique-edged rubber parts of gas-filled hollow rubber bodies to be united : de en
  • US1980610A - Rayon spinning machine : en
  • CH173254A - Transportable dish washing machine. : de en
  • US1980508A - Fountain pen filling device : en
  • US1980914A - Relief by-passed gate valve : en
  • DE605583C - Rib heat exchange device with radial heat exchange flow from the ribs : de en
  • FR773383A - Improvements to vehicle suspension devices, in particular those for independent steered wheels : en fr
  • NL33966C - : en
  • US1980525A - Burner and ignition controller with shut-down : en
  • FR773269A - Improved method of obtaining coffee infusion and apparatus for making : en fr
  • DK49509C - Device for Apparatus for Use in Binding Boxes and the Like with Metal Wire. : da en
  • ES135337A1 - An apparatus for vulcanization of rubber horseshoes. : en es
  • ES3047U - Adjustable fastening buckle for garters, suspenders, belts and other similar items (Machine-translation by Google Translate, not legally binding) : en es
  • CA346030A - Valve : en fr
  • CH173097A - Skis with protective edges. : de en
  • US1980951A - Motor control system : en
  • CH173021A - Separator for fat, cream, foam etc. : de en
  • US1980436A - Bib : en
  • US1980670A - Inhibitor for nitriding processes : en
  • CA345945A - Rubber spring : en fr
  • US1980295A - Striker for latches : en
  • CA346016A - Crystal controlled oscillator : en fr
  • CA346060A - Spring structure : en fr
  • ES135387A1 - A process for the manufacture of dairy tablets. : en es
  • USD93835S - Design fob a shoe : en
  • US1980584A - Metal working machine : en
  • DE605648C - Process for rolling glass strips : de en
  • DE605647C - Device for the production of hollow glass bodies that are open on both sides : de en
  • ES2969U - Metallic hermetically sealed container for food preserves. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773164A - Continuous production process of automatic electric arc welding by means of wrapped electrodes : en fr
  • FR773151A - Improvements made to tipping trailers : en fr
  • FR773179A - Process for preparing cellulose from wood, straw and plants in general : en fr
  • FR773427A - Process for operating cooling bed installations : en fr
  • FR773327A - Steering control for agricultural and wine tractors : en fr
  • GB419595A - Improvements in and relating to tobacco leaf stemming machine : en
  • GB419626A - Improvements in or relating to ship propulsion systems : en
  • FR773190A - Improvements in processes for obtaining high molecular weight acetals and their sulfonated products : en fr
  • FR773302A - Control device for setting radio receivers or other similar devices : en fr
  • US1980340A - Sole pressing machine : en
  • US1980939A - Garment hanger : en
  • US1980731A - Weighing scale : en
  • DE605521C - Blocking circuit, especially for electric railways : de en
  • US1980616A - Cylinder for hydraulic brakes : en
  • US1980708A - Decorative illuminated device : en
  • CA346015A - Sound recording and reproducing unit : en fr
  • CH173143A - Electrical device for remote actuation of pipe shut-off devices. : de en
  • CH173170A - Device for frequency control depending on the difference between two speed integrals. : de en
  • ES135635A1 - PROCEDURE TO DELAY THE ADMISSION OR ABSORPTION OF DYES BY THE FIBERS : en es
  • DE605480C - Cushioning, especially for motor vehicles : de en
  • DE605522C - Device for storing the armature of electromagnetic loudspeakers : de en
  • ES135246A3 - Improvements in the manufacturing process for stockings, socks and similar items. : en es
  • US1980245A - Retort for use in the low temperature distillation of carbonaceous material : en
  • US1980370A - Cable terminal : en
  • DE605613C - Regulation for fuel injection engines : de en
  • ES135592A1 - Improvements in melting machines. : en es
  • ES135582A1 - PROCEDURE FOR REFINING USING ACIDS AND SIMULTANEOUS TREATMENT FOR HEAT, FILES, RASPERS AND SIMILAR TOOLS : en es
  • ES135658A3 - Acoustic electric apparatus for toys or other applications. : en es
  • FR773222A - Method and instrument for determining the direction of a horizontal passing through a point on board a ship, and having a known height above sea level : en fr
  • FR773349A - Improvements in the manufacture of composite fabrics : en fr
  • GB419479A - Improvements in the recovery of sulphur from hydrogen sulphide : en
  • FR773398A - Universal mount for photocells : en fr
  • IE13856L - Treatment of fibrous materials : en
  • FR773199A - Drilling device mounted on the mobile pulley of the parallel towers : en fr
  • CH173040A - Unwinding device for balls of yarn. : de en
  • GB419559A - Aeroplane wings : en
  • DE605540C - Mold for the production of molded bodies from plastic masses : de en
  • DK49517C - Centrifuge for Laundry. : da en
  • ES135681A1 - A lock or gate of adjustable lock, system perfected. : en es
  • GB419421A - Rotary pump with variable output : en
  • US1980791A - Apparatus for separation of gases : en
  • USD93814S - Design fob an instrument case : en
  • ES135553A1 - Hydraulic apparatus system, composed of turbine or rodezno, with wheel and pump, or with one of these. : en es
  • CH173256A - Parking and braking device on looms. : de en
  • FR773332A - Production of new dyes : en fr
  • FR773170A - Improvement of pneumatic lifting devices for all liquids, whether or not containing suspended solids : en fr
  • FR773161A - Process for conditioning textile materials : en fr
  • US1980745A - Tag structure : en
  • US1980284A - Signaling system and apparatus therefor : en
  • DE595681C - Process for the production of socks on flat weft knitting machines : de en
  • DE605633C - Fastening of pneumatic tube tubes in cast parts : de en
  • ES135673A1 - Improvements in the feeding of internal combustion engines. : en es
  • DE605626C - Float valve, especially for water flush systems : de en
  • US1980602A - Tray cleaner : en
  • US1980599A - Process for the production of rubber latex concentrates : en
  • CH173171A - Bushing for electrical lines. : de en
  • DE605716C - Process for metallizing synthetic resin pressed parts : de en
  • GB419646A - Targets : en
  • FR773219A - Grip, especially for bicycle handlebars : en fr
  • FI16156A - Ash removal shovel for heating furnaces : en fi
  • US1980263A - Process of smelting aluminum : en
  • US1980354A - Push-pull type paper sheet ejection : en
  • US1980648A - Batteby ignition system : en
  • GB419502A - Improvements in or relating to photographic cameras with telemeters : en
  • GB419475A - Improvements in or relating to bogie attachments on six-wheeled motor vehicles : en
  • FR773185A - Clock : en fr
  • DE605513C - Adjustable closure, especially for veils, hairdressing hoods, etc. like : de en
  • DE605692C - Removable frame : de en
  • FR773368A - Device for calculating bonuses and fines in the game of bridge : en fr
  • GR5001B - SYSTEM (MECHANISM) OF IMPROVING THE OPERATION OF PISTON SPRAYER. : el en
  • FR773390A - Sulfuric acid purification process : en fr
  • FI16198A - Skida och sätt att framställa densamma : en fi
  • CH173132A - Penknife. : en fr
  • US1980950A - Motor control system : en
  • CH173167A - Automatic device for charging accumulator batteries. : de en
  • DE605774C - Pincer-like device for killing fish : de en
  • DE605652C - Starting device for carburetor machines : de en
  • US1980379A - Valve operating mechanism : en
  • US1980305A - Telegraph switching system : en
  • US1980174A - Leader pin : en
  • GB419632A - Manufacture of new compounds of the acridinium series : en
  • FR773355A - : fr
  • GB419396A - Improvements in or relating to high frequency electric conductors and radio aerials : en
  • DE605576C - Manufacture of carbon disulfide : de en
  • GB419591A - Improvements in or relating to change speed gears : en
  • DE605549C - Control for air-compressing internal combustion engines : de en
  • GB419458A - The manufacture of neutral, water-soluble derivatives of aminoarylarseno-stibio compounds : en
  • CA345986A - Solvent recovery : en fr
  • US1980215A - Treatment of hydrocarbon oil : en
  • CH173052A - Device for cutting food and beverages. : de en
  • GB419436A - Improvements in and relating to the fractioning of distillation products or substances in a volatile state : en
  • DE605582C - Process for operating absorption refrigeration equipment with pressure-equalizing auxiliary gas : de en
  • GB419527A - Process for the manufacture of artificial threads according to the dry spinning process : en
  • GB419819A - Improvements relating to the dissolving of metals of the platinum group : en
  • DE605589C - Terminal arrangement for testing electrical measuring devices such as counters and wattmeters without interrupting the power output : de en
  • FR773437A - Device for adjusting the relative fiber content (density) of pulp and water mixtures for papermaking : en fr
  • US1980447A - Arc welding apparatus : en
  • DE562254C - Film for projection in incident light from an iron strip covered with aluminum : de en
  • CH173057A - Cigarette case. : de en
  • CH173241A - Device for displaying the acceptance respectively. Increase in pressure in pneumatic tires. : de en
  • CH173262A - Process for the preparation of a dye of the anthraquinone series. : de en
  • US1980504A - Pressure control device for air brake mechanism : en
  • US1980917A - Machine for drawing designs : en
  • US1980391A - Aeroplane toy : en
  • US1980466A - Hose connection : en
  • GB419439A - Improvements in and relating to methods of manufacturing electric cut-outs : en
  • GB419645A - An improved square : en
  • GB419698A - Twist drill, and method and device for grinding twist drills : en
  • CH173192A - Preparations for the after-treatment of hair washed with soap or the like. : de en
  • CH173253A - Ship steam power plant with at least three machine sets in watertight subdivided rooms. : de en
  • CH173096A - Strapless, self-closing ski binding. : de en
  • USD93861S - Design fob a shoe : en
  • USRE19369E - Pneumatic grease gun : en
  • DE605778C - Pole cap for iron piles : de en
  • ES3043U - Improved last. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419402A - Improvements relating to gas and water control fittings for use with geysers : en
  • FR773283A - Ear protector usable during hairdressing : en fr
  • FR773447A - Evaporation device with absorption of steam on ironing presses : en fr
  • GB419405A - Improvements in electric amplifying devices in sound-film installations : en
  • GB419627A - Improvements in gasfilled electric incandescent lamps : en
  • DE605743C - Oven for smoldering or coking fuels : de en
  • ES135081A1 - Improvements introduced in the construction of wooden shutters. : en es
  • DE605523C - Device for regulating, in particular reversing the direction of rotation, of direct current shunt motors : de en
  • GB419654A - Improvements in or relating to foundry moulding machines : en
  • DE605527C - Automatic regulator for network coupling devices : de en
  • DE605566C - Process for the production of the reinforced transition points between spherical zones in hollow bodies in spherical rod form : de en
  • DE605772C - Zahrnaeder change gear for motor vehicles with permanently engaged wheels : de en
  • US1980272A - Propeller : en
  • US1980554A - Method of and device for producing conjugate worm gearings : en
  • ES135630A1 - Continuous and automatic apparatus for oil extraction by centrifugation. : en es
  • US1980570A - Rolling mill : en
  • US1980297A - Hoisting mechanism : en
  • DE605605C - Press for pressed pieces from wood waste : de en
  • DE605476C - Device for the production of hole embroidery and cord holes on zigzag sewing machines : de en
  • ES3112U - Sack device (Machine-translation by Google Translate, not legally binding) : en es
  • US1980241A - Pocket envelope and method of making same : en
  • US1980521A - Method for supplying and cleaning gas by electrical action : en
  • CA345926A - Hobby horse : en fr
  • DE605788C - Field sprinkler : de en
  • FR773264A - Improvements made to stand-type constructions : en fr
  • GB419690A - Improvements relating to motor fuels : en
  • US1980261A - Sheet inspection table : en
  • DE605003C - Internal combustion turbine with two coaxial shafts : de en
  • US1980583A - Nail set : en
  • US1980651A - Electric drive for domestic utility devices : en
  • CA345919A - Card table : en fr
  • NL35072C - : en
  • US1980885A - Chipper knife : en
  • GB419677A - Electric liquid levels-indicator with automatic warning device : en
  • GB420143A - Improved method and apparatus for heating material : en
  • CH173220A - Advertising machine. : de en
  • US1980491A - Terrazzo grinding apparatus : en
  • DK49513C - Apparatus for use in tying boxes and the like with metal wire. : da en
  • FR773285A - Process for carrying out the fermentation of tobacco in closed enclosures : en fr
  • DE605506C - Method and device for removing dust from dust-laden air, especially in milling and cleaning machines for shoemakers : de en
  • CA345976A - Electric safety switch : en fr
  • US1980350A - Reservoir pen : en
  • US1980953A - Means to prevent the spread of tuberculosis : en
  • DE605594C - Electric liquid evaporator : de en
  • CH172988A - Fence. : de en
  • US1980455A - Valve for feed water regulators : en
  • US1980972A - Morphine derivative and processes for its preparation : en
  • DK49524C - Device for Prevention of Degradation by Electrolysis. : da en
  • GB419687A - Improvements in or relating to the controlling mechanism of aeroplanes : en
  • CH173188A - Ignition device for welding torches. : de en
  • CH173110A - Needle changing device on gramophone sound boxes. : de en
  • FI16147A - Sätt att framställa metallföreningar resp. metaller : en fi
  • GB419411A - Improvements in embrodiery and like needles : en
  • US1980299A - Heating system : en
  • US1980807A - Refrigerator cabinet : en
  • ES135063A1 - A process for the production of laminated glass sheets. : en es
  • US1980955A - Automatic slider moving device : en
  • USD93826S - Design for a portable hand fire : en
  • FR773103A - Rocket with safety device for the detonator : en fr
  • DE605474C - Process and device for the continuous production of thin sheets or foils by electrolytic deposition of metal : de en
  • CH173046A - Shirt. : en fr
  • GB419517A - Improvements in and relating to pivot bearings : en
  • GB419655A - Improvements in or relating to road traffic signalling means : en
  • AU1402133A - Improvements in or relating tothe manufacture of fungicidal and insecticidal materials : en
  • US1980680A - Permanent waving : en
  • US1980629A - Coal cutting machine and the like : en
  • US1980894A - Ironing table : en
  • FR773281A - Self-lubricating plain bearing : en fr
  • ES3002U - Anti-slip horseshoes for horses. (Machine-translation by Google Translate, not legally binding) : en es
  • FI16182A - Sät att tillverka kornflingor : en fi
  • FR773265A - Process for modifying the mechanical strength properties of alloys of light metals : en fr
  • DE605390C - Toggle switch : de en
  • DE605477C - Device for fine sorting of wood pulp by repeated washing : de en
  • US1980208A - Loom : en
  • ES3037U - Refrigerators and refrigerated cabinets with external tank for liquids (Machine-translation by Google Translate, not legally binding) : en es
  • GB419649A - Improvements in gas-pliers, or the like : en
  • FI16152A - Anordning for electrical installation is isolated : en fi
  • GB419709A - Improvements in or relating to trimming machines : en
  • CH173226A - Wrapping machine. : de en
  • CA345949A - Truss : en fr
  • US1980947A - Expanding brake : en
  • USRE19371E - Inductance system : en
  • US1980699A - Orifice meter fitting : en
  • US1980527A - Mechanical movement : en
  • US1980190A - Impulse transmitter : en
  • US1980737A - Rabbet plane : en
  • US1980315A - Circulator : en
  • USD93825S - Design fob a playground apparatus : en
  • FR773114A - Improvements to plows : en fr
  • FR773214A - Improvements to ferrous metals : en fr
  • GB419481A - A process of preserving fruit juices in their natural state : en
  • GB419609A - Improvements in and relating to electric control systems for well drilling plant : en
  • FR773232A - Safety lock for oil-fired appliances for furnace heating : en fr
  • FR773362A - New threading machine : en fr
  • GB419619A - Improvements in or relating to conveyor apparatus : en
  • US1980902A - Storage battery receptacle : en
  • DE579964C - Dobby : de en
  • DE605603C - Device for regulating the water supply to air humidifiers on radiators : de en
  • FR773435A - Automatic coupling, particularly applicable to hydraulic transmissions : en fr
  • ES3056U - Portable case for makeup color bars (Machine-translation by Google Translate, not legally binding) : en es
  • DE605638C - Handle attachment for brooms, scrubbers, etc. like : de en
  • ES135499A3 - A procedure for the manufacture of cooling blocks for internal combustion engine radiators and the like. : en es
  • GB419639A - Improvements in or relating to loudspeaker units : en
  • DE605498C - Bucket chain excavator with a folding ladder that can be raised and lowered in a vertical plane : de en
  • FR773253A - Leather waterproofing process : en fr
  • ES2982U - An improvement in the manufacture of the closures called crown cap (Machine-translation by Google Translate, not legally binding) : en es
  • GB419455A - Improvements in or relating to mechanically propelled vehicles : en
  • GB419552A - Improvements in lenses for photographic and like purposes : en
  • GB419610A - Improvements in electrostatic precipitating plant : en
  • FR773381A - Safety lock : en fr
  • FR773189A - Use of light projections to allow or facilitate the reading of time indications : en fr
  • FR773155A - Lathe for removing unrounded blocks : en fr
  • GB419398A - Improvements in protective containers for metal sheets or like metallic goods duringthe process of heat treatment : en
  • DK49503C - Suitcase that can transform into Wardrobe. : da en
  • ES3060U - Counterweight to balance the wheels of cars. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773338A - : fr
  • GB419419A - Improvements in or relating to television or like systems : en
  • ES3028U - Razor (Machine-translation by Google Translate, not legally binding) : en es
  • US1980623A - Calandria : en
  • US1980810A - Shoe stiffener : en
  • DE605639C - Device for emulsifying liquids : de en
  • DE605671C - Sharpening device for razor blades : de en
  • DE605779C - Device to withstand the agent : de en
  • FI16161A - Anordning förbindning av bord vid båtar, av laggkärl etc. : en fi
  • FR773425A - Scenic attraction with mountain cogwheel railway, funicular or other : en fr
  • GB419676A - Improvements in or relating to wireless direction finding systems : en
  • FR773348A - Infrared ray emitter-radiator device for dental uses : en fr
  • FR773352A - : fr
  • GB419652A - Improvements in and relating to systems for controlling traffic on railways : en
  • FR773115A - Automotive headlight refinements : en fr
  • CA346067A - Filament, thread and yarn processing : en fr
  • FR773111A - Opening and closing device for the upper window sash : en fr
  • ES135656A1 - A new manufacturing process for a special fabric. : en es
  • ES3069U - Protective folder (Machine-translation by Google Translate, not legally binding) : en es
  • FI16195A - High sensitivity impact lighter : en fi
  • FR773295A - Improved chain manufacturing process : en fr
  • GB419538A - Improvements relating to hinged or pivoted panels or windows for motor vehicles, forventilation or signalling purposes : en
  • FR773153A - Footwear making improvements : en fr
  • GB419438A - An automatic regulator of brakes : en
  • US1980541A - Hydraulic control for motor mountings : en
  • ES135535A1 - A system of portable apparatus for the taking of pressure, injections, gas or liquid extractions independently or consecutively of the organic cavities. : en es
  • GB419711A - Improvements in steam traps : en
  • US1980279A - Grizzly : en
  • FR773147A - Apparatus for turning pages of books and the like : en fr
  • FR773228A - Improvement in flooded jet carburetors : en fr
  • GB419633A - Improvements in lenses : en
  • US1980260A - Bell ringing device for locomotives : en
  • US1980913A - Individual wrapping of cigars : en
  • FR773252A - Wool cleaning machine : en fr
  • US1980547A - Hosiery drying form : en
  • US1980632A - Apparatus and method for developing and gravel treating wells : en
  • ES2558Y - Tie fastener. : en es
  • FR773415A - Device for separating oil from oleaginous substances : en fr
  • GB419425A - Improvements in and relating to apparatus for filling moulding boxes and the like : en
  • CH173104A - Aiming device, especially on rifles. : de en
  • CH173261A - Process for the preparation of an agent for increasing the capillary activity of liquids. : de en
  • DE605591C - Arrangement for electric carbon arc lamps with electrodes in a horizontal or inclined position : de en
  • DE605615C - Silencer for internal combustion engines : de en
  • FR773102A - False stitch marking machine : en fr
  • GB419678A - Improvements in or relating to micrometer screw gauges : en
  • US1980385A - Separation of para cresol from a liquid phenolic mixture : en
  • US1980536A - Manufacture of di-(hydroxyethyl)-aminonitrobenzenes : en
  • GB420148A - A method of modulating light for the photo-electric impression of sound on a photo-sensitive surface : en
  • US1980606A - Secondary cell : en
  • US1980645A - Building construction : en
  • DE605434C - Relay arrangement : de en
  • FR773298A - Improvements to railway bogies : en fr
  • GB419838A - Improvements in or relating to the manufacture of jellies : en
  • ES3035U - Improved system saw wire for sawing stone, marble and other materials. (Machine-translation by Google Translate, not legally binding) : en es
  • DE605689C - Process for redrawing pictures with closed areas into those with dissolved areas : de en
  • DE605688C - Process for the production of condensation products from phenols and natural resins : de en
  • DK49515C - Procedure for Continuous Extraction of Separated Sludge or Solid Parts of a Centrifuge and Centrifuge for Exploitation of the Procedure. : da en
  • GB420141A - A registering dispensing device for liquids and more particularly for beverages : en
  • CH173189A - Electric discharge tube with a luminescent glass wall. : de en
  • FI16194A - Säkringsanordning för med fällbar Pipa eller Pipor försedda skjutvapen : en fi
  • US1980744A - Emblem : en
  • US1980607A - Self-sealing paste tube : en
  • US1980707A - Circuit controller : en
  • ES3061U - Shirt-vest. (Machine-translation by Google Translate, not legally binding) : en es
  • US1980703A - Handle grip for levers : en
  • US1980661A - Bale tie : en
  • DE605668C - Cushioning, especially for motor vehicles : de en
  • DE605799C - Mobile sand spreader : de en
  • DE605635C - corset : de en
  • FR773409A - Skill game : en fr
  • US1980368A - Tube mill layout : en
  • USD93850S - Design for a macaroni : en
  • ES135680A3 - An apparatus for treating sludge, sewage and the like. : en es
  • FR773402A - Machine for printing, embossing, cutting, perforating, etc., paper, cardboard and the like : en fr
  • FI16177A - I fish : en fi
  • GB419575A - Improvements in spring toggle devices more particularly for imparting a quick make-and-break action to electric switches : en
  • US1980428A - Treatment of materials made of or containing cellulose or cellulose derivatives : en
  • GB419509A - Compound pump comprising a centrifugal pump and a priming pump arranged in parallel relation therewith : en
  • FR773378A - Chaise-longue or armchair with a tubular steel frame : en fr
  • FR773324A - New sulfur dyes dyeing blue to black shades : en fr
  • US1980348A - Hot water bag attachment : en
  • US1980231A - Car puller : en
  • ES135649A3 - A process for making rubber filaments, yarns, tubes, and the like. : en es
  • GB419712A - Improvements in or relating to separators for liquids having different specific gravities : en
  • US1980664A - Rail car : en
  • GB419472A - Improvements in and relating to means for controlling super-charged, or other high compression ratio internal combustion aircraft engines : en
  • GB419406A - Improvements in the contacts of electrical switches, circuit breakers, isolators, orconnectors : en
  • GB419670A - Manufacture of azo dyestuffs : en
  • FR773432A - Air shotgun, for children : en fr
  • GB419586A - Improvements in, or relating to, gas masks : en
  • FI16201A - Warp guard for weaving machine : en fi
  • DE605352C - Window and door hinge : de en
  • DE605551C - Process for the electrolytic production of thin titanium coatings on base metals : de en
  • ES135642A3 - A procedure for the external calibration of all kinds of glasses, glasses or similar containers, made of glass, crystal or half glass, pressed or blown. : en es
  • FR773350A - Process for modifying the properties of rubber surfaces : en fr
  • DK49529C - Axle lifter, especially for self-binding Mowers. : da en
  • FR773236A - Oil pressure regulator device, comprising an oil pump, a throttled oil outlet and a servo-mechanism : en fr
  • DE605665C - Control device for multi-engine aircraft for trim compensation with respect to the vertical axis : de en
  • DE605479C - Inner hub brake with brake shoes that are resiliently connected to the stationary expanding cone : de en
  • US1980558A - Drying of fabrics : en
  • CA345921A - Battery plate separator : en fr
  • CH173156A - Interrupter for ignition devices. : de en
  • GB419499A - Process for utilising the heat of furnace gases from pyrites burners : en
  • GB419371A - Improved method of and means for treating carbonaceous material : en
  • ES135664A1 - Improvements in the construction of internal combustion or combustion engines to burn heavy oils. : en es
  • ES2612Y - Convertible "pay-pay" fan visor. : en es
  • CA345971A - Beacon or search light : en fr
  • CH173212A - Process for generating an image by mechanically recording electrical image currents on a carrier during the transfer of optical images. : de en
  • DE605714C - Valveless piston pump for z. B. Lubrication or fuel supply with a conveyor and a control piston : de en
  • FR773321A - Device for the treatment of fluids : en fr
  • GB419941A - Treatment of leather : en
  • FR773399A - Bait box and hooking device usable in particular with said box : en fr
  • FR773426A - Process of shaping fur skins after tanning and wringing : en fr
  • GB419653A - Improvements in street lighting apparatus : en
  • GB419581A - Machine for welding nails to metal strips or the like : en
  • USD93806S - Design for lace : en
  • FR773300A - Installation of four-wire carrier frequency cable for remote signaling : en fr
  • GB419730A - Improvements in or relating to web roll controlling mechanism for printing or other machines : en
  • GB420145A - Machine for lixiviating, washing, rinsing and drying linen or other material : en
  • DE605545C - Coin checking device : de en
  • DE605662C - Film switchgear : de en
  • DE605683C - Blow molding machine : de en
  • FR773282A - : fr
  • US1980762A - Buck rake or hay sweep : en
  • FR773119A - Assembly for taking currents of different intensities : en fr
  • GB419566A - Improvements in or relating to the film evaporation of liquids : en
  • AU1519933A - Improved advertising device. 5 : en
  • DE605726C - Cleaning machine with dust air extractor : de en
  • ES135625A3 - A manufacturing process for industrial and recreational stickers called slip-on or transferable, whether negative or positive : en es
  • FR773353A - Advanced rifle sling attachment : en fr
  • GB419555A - Improvements in vulcanising rubber : en
  • GB419617A - Improvements in and relating to reels, bobbins and the like for carrying wire and similar material : en
  • CA346047A - Vapour regulator : en fr
  • US1980186A - Tube reducing means : en
  • US1980765A - Roof framing tool : en
  • AU1501533A - Improvements in or relating to cathode ray tubes and methods of manufacturing thesame : en
  • CA346042A - Heel attaching machine : en fr
  • US1980184A - Control recording apparatus : en
  • US1980548A - Changeable exhibitor : en
  • ES3118U - Suction tube with check valve for non-refillable drums. (Machine-translation by Google Translate, not legally binding) : en es
  • FI16160A - The construction is similar to the arrangement and setting of the frame : en fi
  • FR773364A - : fr
  • GB419415A - Improvements in or connected with boxes or containers : en
  • US1980303A - Awning door : en
  • CH173278A - Process for the preparation of a dye of the gallocyanin series. : de en
  • US1980274A - Devices for playing table football : en
  • DE605625C - Locking device for the milk container of a centrifugal machine : de en
  • ES135174A1 - IMPROVEMENTS INTRODUCED IN THE METHODS TO PREPARE NEW CHEMICAL COMPONENTS : en es
  • FR773209A - Homogeneous alloy containing copper and chromium and body covered with this alloy : en fr
  • GB419600A - Improvements relating to electrically operated calculating apparatus : en
  • DE605494C - Feeding device on machines for packing cigarettes and other stick-shaped objects : de en
  • CH173149A - Carburetors for internal combustion engines. : de en
  • CA345946A - Road bituminous material reclaiming method : en fr
  • CA345978A - Gaseous electric discharge device : en fr
  • NL34086C - : en
  • US1980691A - Double carbonates of sodium and ammonium : en
  • CH173233A - Rubber suspension frame for strollers. : de en
  • US1980474A - Method of making wirebound boxes : en
  • US1980956A - Weighing scale : en
  • US1980187A - Vacuum tube socket : en
  • DE605557C - : de en
  • DE605581C - Printing machine for paper webs or the like. : de en
  • FR773200A - Industrial product consisting of window curtains, workbenches of cut or embossed paper : en fr
  • CA346008A - Garment fastener : en fr
  • CH173251A - Pantograph. : de en
  • US1980569A - Method of preparing absorbent low in salts and free from acid : en
  • US1980960A - Method of making shipping drums : en
  • US1980276A - Endless track vehicle : en
  • DE605620C - Width-adjustable bicycle pedal to enlarge the tread : de en
  • CH173247A - Vehicle body with self-supporting frame. : de en
  • AU1501433A - Improvements in or relating to electrical circuit arrangements forthe production of peaked alternating potential waves : en
  • CH173246A - Railcar. : de en
  • US1980229A - Welding rod : en
  • US1980477A - Spoon : en
  • DE605571C - Fine adjustment for electric elevators : de en
  • CH172994A - Lifting device. : en fr
  • CH173010A - Electric cooker. : en fr
  • DE605681C - Shoot bolt lock with balls as transmission medium : de en
  • CH173161A - Self-starting synchronous small motor with single-phase excitation winding and artificially phase-shifted auxiliary phase. : de en
  • CA345982A - Radio direction finding system : en fr
  • FR773419A - Combined electrical and mechanical brakes for automobiles : en fr
  • GB419714A - Improvements in containers for edible fat : en
  • US1980211A - Baby carriage : en
  • US1980366A - Solidification of organic isocolloibs : en
  • US1980214A - Mounting for electric devices : en
  • DE605650C - Method of making records : de en
  • DE605728C - Device for locking and opening the lock of gas pressure boosters : de en
  • CH173026A - Tin bottle. : de en
  • CH173035A - Thread guiding device for package winding machines. : de en
  • US1980586A - Sectional spool for tube frames and the like : en
  • US1980635A - Thumb guard : en
  • US1980772A - Direction indicator : en
  • US1980362A - Buckle plate : en
  • US1980399A - Gun barrel and barrel mounting : en
  • US1980453A - Ornamental display device : en
  • US1980493A - Emptying device for bathing-tubs or the like : en
  • US1980533A - Dental mixing slab : en
  • US1980441A - Resinous metal compounds : en
  • US1980911A - Electric organ and method of electrically producing tones : en
  • US1980600A - Motion picture projection machine : en
  • US1980723A - Ink ribbon feeding and reversing mechanism : en
  • FR773276A - Alternative valve : en fr
  • CA345966A - Electrical regulator : en fr
  • US1980256A - Feeding device for rock drills : en
  • US1980472A - Ball : en
  • US1980530A - Solid ring pipe liner : en
  • CA345905A - Journal box lid : en fr
  • CH173061A - Process for the production of potassium oxalate from potassium formate. : de en
  • CH173099A - Skis with metal edges. : de en
  • DE605556C - Bottle cap : de en
  • DE605699C - Circular knitting machine : de en
  • US1980638A - Method for making hydrogenation products of ketones of the pyridine and piperidine series : en
  • US1980679A - Animal-slaughtering apparatus : en
  • DE605691C - Process for the automatic conversion of an agent into a warm and a cold partial flow : de en
  • FR773372A - Process for preparing plastic materials, films, threads and the like from fatty acid esters of cellulose : en fr
  • GB419583A - A process for the manufacture of monoazo dyestuffs and intermediate compounds used in their manufacture : en
  • GB419390A - Improvements relating to electric circuit controlling devices of the thermal type : en
  • US1980808A - Alternating current generator : en
  • GB419640A - Improvements in or relating to paper and like bags provided with fastening devices : en
  • FI16153A - Coating of welding electrodes : en fi
  • ES2596Y - Lamp holder specially designed for table lamps. : en es
  • CA345969A - Electric power converting apparatus : en fr
  • CA346005A - Metallurgical furnace : en fr
  • CH173286A - Process for the preparation of a cyanine dye. : de en
  • FR773288A - Method for constructing coils from iron filings : en fr
  • US1980281A - Container for packing and shipping fruit : en
  • US1980430A - Float controlled valve : en
  • FR773167A - Cross wire winder : en fr
  • GB420140A - Improvements in and relating to locking devices for gudgeon pins : en
  • ES3033U - Plow digger perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773234A - Electronic lamp : en fr
  • FR773387A - New refrigerant : en fr
  • CH173038A - Stitch adjusting device for sewing machines for forward and backward sewing. : de en
  • FI16175A - Weighing rod : en fi
  • FR773335A - Installation of rolling mills : en fr
  • GB419536A - Improvements in or relating to cutlery grinding and polishing machines : en
  • ES2622Y - Dropper bottle. : en es
  • CA346070A - Receptacle : en fr
  • CH173093A - Pedestal. : de en
  • FR773325A - Elastic thermal insulated packaging : en fr
  • ES2608Y - Cardboard container box for transporting objects. : en es
  • FR773314A - Tracking device for accounting without postponement : en fr
  • FR773221A - Vulcanized rubber articles coated with a coating and coating composition usable in the preparation of such articles : en fr
  • FR773339A - Nail Driver : en fr
  • GB419707A - Improvements in and relating to folding boxes : en
  • CA346041A - Shoe upper shaping machine : en fr
  • DE605500C - Process to achieve a soft, easily machinable gray cast iron structure with fine graphite distribution : de en
  • DE605675C - Electrode system with asymmetrical conductivity : de en
  • DE600604C - Longitudinally split cylinder with exchangeable liner for air-cooled two-stroke internal combustion engines : de en
  • ES3123U - Shaving device with elastic blade holder that allows to regulate the pressure and, therefore, the inclination of the blade. (Machine-translation by Google Translate, not legally binding) : en es
  • ES3062U - Bra device for lady. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773306A - Device adapting to containers to make them refillable : en fr
  • GB419446A - Improvements in and relating to fittings for tables or other furniture appliances : en
  • FR773123A - Gas purification process : en fr
  • GB419582A - Paper-making : en
  • ES135638A2 - IMPROVEMENTS IN CIRCUIT ARRANGEMENTS INCLUDING ELECTRIC DISCHARGE TUBES FILLED WITH GAS : en es
  • US1980244A - Waste disposal : en
  • US1980794A - Direction indicator for vehicles : en
  • US1980191A - Treatment of artificial materials : en
  • US1980821A - Means for cooling electrical apparatus : en
  • FR773318A - New metal construction set : en fr
  • GB419880A - Improvements in and relating to electric devices for firing explosives : en
  • ES2613Y - Egg cup ready to prepare soft-boiled eggs. : en es
  • ES3124U - Cinematographic album to add stickers, drawings or stickers (Machine-translation by Google Translate, not legally binding) : en es
  • GB419397A - Improvements in and relating to electric measuring instruments : en
  • FR773249A - : fr
  • GB419500A - Improvements in processes for the manufacture of tubular structures of artificial materials : en
  • DE605744C - Device for sucking off the filling gases when charging coke fuel loops with a completely or almost completely open chamber ceiling : de en
  • FR773106A - Receiver device for wound film tapes : en fr
  • FR773178A - Method and device for amplifying light pulses : en fr
  • FR773293A - Machine for sharpening tools and especially combs on threading machines : en fr
  • US1980243A - Electrical mercury cut-out : en
  • US1980358A - Spindle swing for twisting machines : en
  • US1980878A - Container for dispensing fluid substances : en
  • US1980580A - Guide bearing for spindles of centrifuges : en
  • CH173064A - Process for the production of a new azo dye. : de en
  • US1980690A - Spare tire cover construction : en
  • US1980728A - Thermionic device and circuit therefor : en
  • FI16183A - Method of manufacture of flour, of wheat, rye, barley or oats : en fi
  • GB419379A - Improvements in or relating to cathode ray tubes : en
  • US1980381A - Method of making ductile electrolytic iron from sulphide ores : en
  • US1980161A - Improved water softening apparatus : en
  • US1980328A - Load brake device : en
  • DE605455C - Roller switch : de en
  • US1980857A - Let-off tension device for cloth weaving machines : en
  • ES135334A1 - An acoustic signal device, or siren, for vehicles of internal combustion engines. : en es
  • GB419571A - Improvement in packing cases for bottles : en
  • CH173090A - Method and device for copying optical or acoustic images. : de en
  • CH173109A - Low-frequency amplifier with two discharge tubes connected in a push-pull circuit. : de en
  • ES135644A1 - An automatic liquid measuring device. : en es
  • GB419708A - Improvements in or relating to hemstitching devices : en
  • GB419660A - Improvements in holders for milk bottles : en
  • GB419729A - Brakes for rail vehicles : en
  • FI16200A - Torkanordning fän säd : en fi
  • FI16178A - Apparat för avsvedning (t.ex. avsvedning av platser avsedda fådd och plantering i Skog ocmark) : en fi
  • FR773242A - Process for preparing disinfectant substances : en fr
  • GB419460A - Improvements relating to electric storage batteries : en
  • US1980438A - Suction cleaner : en
  • US1980682A - Grinding machine : en
  • ES3039U - Apparatus for roman billiards. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773407A - : fr
  • ES135569A1 - Extraction device of the automobile wheels. : en es
  • ES134144A1 - Improvements in the construction of brake magnets for elevators and hoists. : en es
  • ES135632A1 - A process for the preparation of a sulfurized polymer of the acrylic acid respectively of the vinyl ester. : en es
  • GB419430A - Improvements in or relating to rolled electrolytic condensers : en
  • GB419587A - Improvements in matrix composing and type-line casting machines : en
  • FR773377A - Loader of coal or any other similar material, intended for loading ships or wagons : en fr
  • GB419404A - Improvements in pre-cast building and constructional blocks, slabs and the like : en
  • FR773215A - Metal pole for power lines : en fr
  • GB419596A - Improvements in and relating to vehicle door and window control mechanism : en
  • FR773416A - Shock absorber device for pivot : en fr
  • GB419366A - Production of dyeings and printings on fibrous material : en
  • FR773157A - Rolling mill installations with two sets of rolls arranged in a horizontal plane : en fr
  • FR773290A - Manufacturing process for disinfectant products : en fr
  • FR773354A - Process for producing glossy images on photographic developing papers : en fr
  • GB419563A - Bomb-release mechanism for use on aircraft : en
  • ES3057U - Shutter with dumps for packaging. (Machine-translation by Google Translate, not legally binding) : en es
  • DE605489C - Process and device for the automatic filling of equal amounts of dusty or grainy goods into valve bags : de en
  • US1980319A - Manifolding record : en
  • US1980949A - Liquid displacement meter : en
  • ES135290A1 - Apparatus for cooking, heating or lighting with liquid fuels. : en es
  • DE605587C - Fuel element : de en
  • DE605721C - Iris diaphragm : de en
  • GB419573A - Improvements relating to devices for use in massage : en
  • US1980702A - Phototube : en
  • US1980945A - Apparatus for cooling beverages : en
  • DE605761C - Pressureless overflow hot water storage tank : de en
  • ES135566A3 - A process for the manufacture by centrifugation of tubes and the like. : en es
  • ES135601A1 - A new shoe manufacturing process. : en es
  • ES3046U - Block for calendar of overlapping sheets. (Machine-translation by Google Translate, not legally binding) : en es
  • DE605739C - Method and device for the continuous production of multilayer glass : de en
  • DE605550C - Two-plate gate valve : de en
  • US1980177A - Cathode ray oscillograph tube : en
  • FR773117A - Signal lamps : en fr
  • US1980360A - Apparatus for drying or conditioning articles : en
  • CA346037A - Rolling mill : en fr
  • FR773308A - Electrically operated valves upgrades : en fr
  • GB419546A - Improvements in or relating to armour piercing projectiles : en
  • CA345947A - Anchor : en fr
  • CH173194A - Process for the production of a vaccine for the active immunization of humans or animals against anaerobic germs. : de en
  • DE605520C - Process for the separation of o- and p-oxydiphenyl : de en
  • ES135608A1 - An apparatus for copying films with lenticular grating. : en es
  • GB420062A - Improvements relating to cellular floors for buildings : en
  • DE605782C - Magnet, in particular relay magnet, with a special device for changing the counterforce and a second for changing the armature distance : de en
  • ES135659A3 - Procedure for turning and grinding metal parts. : en es
  • US1980201A - Motor fuel : en
  • USD93817S - Design for a baby carriage : en
  • CA345903A - Article moulding apparatus : en fr
  • DE605796C - Process and device for operating deflagration chambers and heat exchangers downstream of them in the fire gas path : de en
  • DE605569C - Brake arrangement, especially for rail vehicles : de en
  • CH173016A - Extending table. : de en
  • CA345911A - Film, foil and sheet manufacture : en fr
  • CH173174A - Switching arrangement with one or more discharge vessels with hot cathode and gas or vapor filling. : de en
  • ES135480A1 - A mixed system of protection of level crossings. : en es
  • ES3078U - Container to contain pastes or other substances of a sticky nature with removable inner receptacle to contain the liquid part necessary for its application (Machine-translation by Google Translate, not legally binding) : en es
  • FR773263A - New ribbon and its manufacturing process : en fr
  • GB419539A - Improvements in or relating to aeroplanes : en
  • GB419603A - Manufacture of new compounds of the acridinium series : en
  • US1980273A - Bleaching waxes : en
  • US1980721A - Panelboard and testing means therefor : en
  • CH172978A - Drift bed system. : de en
  • US1980753A - High power tube support and cooling system : en
  • USD93834S - Design for a shoe : en
  • FR773366A - Lock : en fr
  • GB419360A - Improvements in and relating to electric apparatus for compensating for an earth fault current : en
  • FR773191A - Pressure and temperature regulator with safety device : en fr
  • GB419543A - Improvements in or relating to methods of bleaching fibrous cellulose material : en
  • DE605636C - Device for the invisible holding of the two freely hanging flaps of a self-tie : de en
  • DE605749C - Device for lubricating, flushing and cooling axle bearings for rail vehicles : de en
  • GB419664A - Improvements relating to pedals for bicycles and the like : en
  • ES3075U - Electric apparatus designed to heat liquids. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419418A - Improvements in internal combustion engines : en
  • ES135652A1 - An automatic stopper to prevent the filling of bottles, bottles and the like, with their corresponding fixing systems and device to prevent their extraction. : en es
  • GB419667A - A process for minimising the colour content in kauri gum resin : en
  • US1980835A - Hay loader : en
  • FR773159A - Preparation of salted peanuts for consumption : en fr
  • ES135603A1 - PROCEDURE FOR OBTAINING DYE PRODUCTS BY TRANSFORMATION OF AZO DYES : en es
  • ES3052U - Life suit. (Machine-translation by Google Translate, not legally binding) : en es
  • US1980325A - Locking angle cock device : en
  • DK49514C - Device for Lighting fixtures for airtight and dustproof Encapsulation of reflective and diffusing surfaces. : da en
  • DK49501C - Pneumatic Read. : da en
  • US1980183A - Lamp reflector : en
  • ES3116U - Device for sewing papers and cardboard that serve both for the automatic formation of staples. (Machine-translation by Google Translate, not legally binding) : en es
  • USD93827S - Design for a portable hand fire : en
  • ES135570A1 - Apparatus for discovering needles and other metallic objects in tissue pieces. : en es
  • FR773337A - Removable device to transform ordinary forks into so-called harvest forks : en fr
  • US1980502A - Mitering machine : en
  • US1980613A - Motor vehicle : en
  • US1980722A - Method of and apparatus for agglomerating suspended particles : en
  • US1980908A - Crate : en
  • CH173187A - Ignition head for electric filament gas lighters. : de en
  • US1980801A - Alloy : en
  • ES135010A1 - An improved process and its corresponding special apparatus for the treatment of rice, whether in husk or not peeled, as well as in the husk and other waste thereof. : en es
  • US1980710A - Wheel : en
  • US1980838A - Process of treating fat and oilbearing seed products : en
  • CH172977A - Grain sorting and cleaning device. : de en
  • CH173045A - Vacuum cleaner. : de en
  • CH173236A - Anti-skid device on motor vehicles. : de en
  • DE605516C - Cap rail : de en
  • CA345897A - Motion picture producing apparatus : en fr
  • CA345994A - Motor governor : en fr
  • CH173217A - Signaling device, in particular for vehicles. : de en
  • CH173119A - Object that is intended to work in a flowing medium. : de en
  • US1980615A - Folding chair : en
  • US1980660A - Construction of log cabins : en
  • CA346050A - Strand twisting apparatus : en fr
  • CH173111A - Push-pull amplifier device. : de en
  • US1980489A - Upholstering cover : en
  • US1980639A - Inking apparatus and method of operating the same : en
  • CA346032A - Lubricant : en fr
  • CA346054A - Insulating composition : en fr
  • USD93822S - Design fob a sign : en
  • CA345995A - Zinc electrodeposition : en fr
  • CH173086A - Device for simultaneous winding and unwinding of an endless film strip. : de en
  • US1980582A - Resistance element for rail heaters : en
  • US1980674A - Tank car : en
  • CA346068A - Steel rail manufacture : en fr
  • CH173154A - Single-acting vertical internal combustion engine. : de en
  • US1980704A - Ballast tamping machine : en
  • US1980824A - Drawer device for desks and the like : en
  • CA345993A - Pure sulphur : en fr
  • CA346055A - Telephone system : en fr
  • CH173216A - Remote control device. : de en
  • CH173117A - Electric pendulum. : en fr
  • CA345983A - Radio transmitter : en fr
  • ES3004U - Figure composed of mobile articulated members particularly designed to impress films. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419370A - Improved method of and apparatus for treating carbonaceous material for the recovery of volatile constituents and smokeless fuel : en
  • AU1419633A - An improved apparatus forthe manufacture of fabrics : en
  • US1980185A - Torsional vibration damper : en
  • US1980421A - Typographical mold : en
  • CH173002A - Electric heater. : en fr
  • FR773247A - Advanced process for making vegetable charcoal : en fr
  • US1980840A - Seal for electric lamps and similar articles : en
  • CA345977A - Electric circuit breaker : en fr
  • CH173185A - Hydraulic safety valve for automatic shut-off of gas lines. : en fr
  • ES2625Y - Device for cooling water and keeping food in perfect condition at low temperatures. : en es
  • FR773342A - Improvements made to the means for activating or deactivating the cylinders of polycylindrical machines, in particular injection pumps for internal combustion engines : en fr
  • GB419696A - An improved electric radiant heat element : en
  • US1980335A - Gasket construction : en
  • US1980384A - Separation of meta cresol from meta cresol-para cresol mixtures : en
  • FR773113A - Camping tent : en fr
  • DE605797C - Paper carriage switching device on typewriters : de en
  • ES135462A1 - Improvements in cellular meters for gas. : en es
  • CA345980A - Sheet material packaging method : en fr
  • CH173291A - Process for the preparation of a cyanine dye. : de en
  • US1980307A - Range : en
  • AU1500933A - Improvements in apparatus suitable for moving fowl houses pig huts andthe like : en
  • CA346021A - Ferro-cobalt : en fr
  • CH173203A - Self-seller with coin pusher. : de en
  • CA345891A - Leaf spring : en fr
  • CH172998A - Filing machine for welded splint joints. : de en
  • CA345901A - Document and newspaper protecting method : en fr
  • CH173210A - Circuit arrangement for selective receiving respectively. Amplify electrical vibrations. : de en
  • CH173074A - Process for the production of cellulose. : de en
  • CH173060A - Process for halogenating material with heated, halogenating gases and device for carrying out the process. : de en
  • FR773275A - Arrangement to vary the polarization voltage of a lamp according to the amplitude of the signals received : en fr
  • GB419719A - Improvement in variable-speed gear selecting and shifting mechanism : en
  • DK49526C - Method and device for filtering and leaching more or less liquid mixtures of solids and liquids. : da en
  • US1980733A - Highway guard rail : en
  • USD93838S - Design fob a boot ob similar article : en
  • US1980227A - Friction facing and composition of matter : en
  • US1980496A - Low grade fuel vaporizer for internal combustion engines : en
  • DE605786C - Device for reproducing an optical sound recording : de en
  • US1980506A - Oil fuse : en
  • US1980503A - Bale tie : en
  • US1980717A - Propeller : en
  • US1980735A - Apparatus for making coffee infusions and the like : en
  • ES3049U - An electric capacitor for medium, high and high voltage (Machine-translation by Google Translate, not legally binding) : en es
  • FR773118A - Improvements to pumps or motors : en fr
  • FR773430A - Soap dish : en fr
  • US1980312A - Power driven vibrator : en
  • US1980750A - Educational device : en
  • US1980909A - Button : en
  • US1980532A - Folding machine : en
  • DE605541C - Process for the production of shrink capsules from acetyl cellulose : de en
  • CA345972A - Flash lamp : en fr
  • CH173102A - Runway for French skittles. : de en
  • DE605715C - Pipe branch for water-carrying pipe systems : de en
  • FR773101A - Adjustable brake mechanism for spool wires on spool holder : en fr
  • US1980748A - Chair : en
  • US1980793A - Dividing strip structure : en
  • CA346027A - Cement material processing apparatus : en fr
  • CH173083A - Ink pad. : de en
  • CH172984A - Plank wall for building purposes. : de en
  • FR773340A - Product with great detergent power : en fr
  • FR773134A - Improvements to hydraulic shock absorbers for all vehicles : en fr
  • GB419428A - Improvements relating to protective gloves for children : en
  • USD93819S - Design foe a toy pistol : en
  • ES135568A3 - Selector device for incandescent lamps with oil vapor or similar fuels. : en es
  • FR773171A - Perfected salad basket : en fr
  • GB419386A - Improvements in or relating to electric torches, flash-lamps and the like : en
  • CH172976A - Mower for draft animal clothing and with motor-driven cutting unit. : de en
  • NL34070C - Method and apparatus for the manufacture of draft match packs : en nl
  • US1980585A - Radio transmitter control apparatus : en
  • US1980588A - Frozen confection : en
  • USD93816S - Design fob a shoe : en
  • GB419943A - Improvements in or relating to combined kerbstones and gutters : en
  • DE605509C - Sheet transfer device on cigar machines : de en
  • DE605590C - Overcurrent thermal time release : de en
  • CH173028A - Process for the aftertreatment of wet-treated rayon before it is actually dried. : de en
  • CH173176A - Electron tube with flat cathode for the purpose of rectification, amplification and generation of vibrations. : de en
  • US1980435A - Machine for shaping uppers over lasts : en
  • ES135585A1 - A process for the manufacture of an insecticidal liquid. : en es
  • US1980203A - Apparatus for manufacturing tire casings : en
  • US1980696A - Electrically heated melting pot, particularly for linotypes : en
  • US1980266A - Propulsion apparatus : en
  • DE605535C - Backpack closure : de en
  • US1980198A - Electrooptical tube : en
  • DE605470C - Weed control for asparagus ridge crops : de en
  • CH173257A - Process for the preparation of an agent for increasing the capillary activity of liquids. : de en
  • DE605487C - Spring-loaded fuse clamp : de en
  • GB419412A - Improvements in and relating to the production of metal casts from gelatine and likeheat-developable reliefs : en
  • GB420065A - Improvements in and relating to television and like arts : en
  • US1980581A - Crystal controlled oscillator : en
  • US1980511A - Phonograph needle : en
  • US1980658A - Piston : en
  • US1980669A - Flaw detector mechanism : en
  • US1980487A - Inclination gauge : en
  • CA346025A - Shoe form : en fr
  • AU1674934A - Centrifugal clutch coupling : en
  • CH173012A - Steel chip pads and process for their manufacture. : de en
  • DK49506C - Gas burner. : da en
  • GB420138A - Improvements in or relating to the building of aircraft : en
  • CA345939A - Lock, latch and fastener : en fr
  • GB419665A - Process for the recovery of alkaline earth and other metals from drosses and other metal bearing substances and the preparation of alkaline earth metal alloys : en
  • DE605597C - Centrifugal drum for the continuous decomposition of liquid mixtures, especially those which contain hydrocarbon oils, acid resins and acid : de en
  • FR773139A - Toothbrush with toothpaste reservoir : en fr
  • FI16172A - Cash register machine : en fi
  • GB419434A - Direct current regulation with control rectifiers, in particular for rail motor-vehicles : en
  • FR773144A - Split ring : en fr
  • GB419688A - Improvements in compositions for coating and like purposes : en
  • US1980400A - Gummed paper booking machine : en
  • US1980918A - Curtain and drapery holder : en
  • DE605156C - Connection head for grease guns : de en
  • FR773296A - Device for automatic adjustment of the liquid level in the submerged bell of an underwater engine : en fr
  • AU1714134A - Improvements in or relating to processes of and plant for producing fruit and vegetable products. 9 : en
  • FR773395A - New acid dyes and their preparation process : en fr
  • GB419485A - Improvements in electric batteries : en
  • CA345996A - Relief valve : en fr
  • DE605604C - Floor construction : de en
  • FR773420A - Coupler for electric machine : en fr
  • GB419399A - Improvements in systems for the communication of control or signal influences, more particularly for centralised traffic controlling installations for railways : en
  • ES3081U - Device for containers or glass containers for containing sweets, candies and confectionery articles. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773320A - New textile product, and machine intended to manufacture it : en fr
  • FR773424A - Splash and self-spray carburettor for all internal combustion engines : en fr
  • GB419372A - Method of recovering organic compounds from the waste products of the sulphuric acid refining of mineral oil or wax : en
  • DE605773C - Device for locking cars on transport vehicles, in particular motor vehicles, in particular motor vehicle trailers : de en
  • FI16166A - Förfaringsäätt vid gasreduktion av nickeloxid eller nickel- och kopparoxid, erhållen genom rostning och ett. lutning av nickelkopparsten : en fi
  • FR773371A - Ball game : en fr
  • GB419604A - Manufacture of synthetic resins : en
  • GB419388A - Improvements relating to hand-operated penstocks and disc valves : en
  • ES135596A1 - A closed vessel or distillation chamber. : en es
  • GB419381A - Improvements in cigar making machines : en
  • DE605695C - Device for damping the cable vibrations of overhead lines by a mass suspended from the line : de en
  • FR773423A - Machine for the manufacture of paper, cardboard or similar products with embossing, intaglio or relief printing, marking, and method of use thereof : en fr
  • GB419465A - Improvements in brakes for lorries and other horse drawn vehicles : en
  • US1980515A - Acid wool azo dyestuffs : en
  • ES135413A1 - Procedure for the purification of crude hydrocarbons. : en es
  • GB419378A - Improvements relating to time-temperature controlling mechanism : en
  • DE605617C - Process for the production of leather trouser flaps : de en
  • US1980618A - Shower bath curtain and bracket : en
  • US1980815A - Article sorting machine : en
  • ES135593A1 - Improvements in the construction of rotating buckets that form capacities for the extraction or taking of glass, attached to the glassware kilns. : en es
  • ES135574A1 - Straightening or stretching device for tissues. : en es
  • CA345955A - Power transmitting device : en fr
  • DE605534C - Valve for an artificial limb : de en
  • ES2556Y - Metal device for replacement of brooms and sweeping brushes. : en es
  • GB419528A - A process for manufacturing a remedy containing an emanation : en
  • ES3055U - Bearing with ball or roller bearing with protective liquid inlet device. (Machine-translation by Google Translate, not legally binding) : en es
  • US1980565A - Method of securing a reenforcing liner in a tire : en
  • CH173125A - Process for the production of lead-plated zinc strips. : de en
  • CH173155A - Electric heating device on water-cooled engines, in particular on cars. : de en
  • FR773184A - Net making machine : en fr
  • FR773202A - Process of artificial aging of alcoholic liqueurs : en fr
  • CH172985A - Iron plate bar. : de en
  • CA346061A - Spring structure : en fr
  • CH173248A - Brake shoe for electromagnetic rail brakes. : de en
  • US1980426A - Connecter device for hollow cables and method of securing connections to such cables : en
  • US1980711A - Purification of aliphatic monocarboxylic acid esters : en
  • US1980910A - Pyrotechnic device : en
  • DE605562C - Roller skate convertible into a skate : de en
  • DK49512C - Vehicle intended for rail travel, especially freight wagons, which can also be used as trailers when driving on country roads. : da en
  • ES3076U - New electric incandescent lamp. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419488A - Improvements in or relating to electric cables or conductors : en
  • GB419471A - Improvements in or relating to toy catapulting-devices and ammunition for the same : en
  • DE605552C - Process for the production of corrugated patterned coated paper : de en
  • DE605738C - Plant for the remuneration of chains : de en
  • CH173113A - Device for obtaining cinematographic images reconstituting natural colors. : en fr
  • DE605393C - Contactor control for pole-changing motors with protection against phase short circuit : de en
  • ES135071A1 - A method of manufacturing lenses, prisms or similar optical devices. : en es
  • NL34267C - : en
  • CA345941A - Circuit breaker : en fr
  • US1980483A - Resin and resin forming compound : en
  • CH173183A - Device to achieve the same current consumption of the anodes of a multi-phase rectifier, with n six-phase anode systems and all common cathodes. : de en
  • CH173227A - Device on wrapping machines for feeding the individual wrapping sheets. : de en
  • CA345896A - Motion picture producing apparatus : en fr
  • CH173152A - Internal combustion engine with one carburettor each for light and heavy oil. : de en
  • DK49521C - Vending machine. : da en
  • USD93831S - Design for a rail for a baby carriage : en
  • US1980371A - Heel-seat fitting machine : en
  • CH173013A - Coat rack with coat hanger. : de en
  • US1980781A - Range : en
  • US1980624A - Thermostatic valve : en
  • CH173023A - Device for preventing malt coffee from boiling over. : de en
  • CH173138A - Pack of detonators. : de en
  • CA345950A - Faucet : en fr
  • CH173025A - Brush with attached auxiliary device. : de en
  • CH173200A - Value stamp machine with two counters. : de en
  • GB419492A - Improvements in pistons : en
  • US1980546A - Photographic camera : en
  • US1980549A - C-substituted pyrimidines of the anthraquinone series : en
  • US1980376A - Machine for surface treating shoe parts : en
  • US1980826A - Ear cleaning implement : en
  • US1980891A - Firing port : en
  • DE605499C - Process for the production of a mixed fertilizer containing phosphoric acid and nitrogen : de en
  • DE605666C - Clamping fork : de en
  • DK49530C - Apparatus for Manufacturing Container Bodies. : da en
  • NL34158C - method and apparatus for taking X-ray images : en nl
  • US1980832A - Air suspension and shock absorber : en
  • US1980316A - Reel mount for fishing rods : en
  • USD93845S - Design fob a blowpipe : en
  • CH173054A - Device for removing air from canning containers. : en fr
  • CH173082A - Type lever drive on typing, writing calculators and similar machines. : de en
  • CH173172A - Protection circuit for lines. : de en
  • CA345908A - Gas fumes conveyor for open grates : en fr
  • CH173283A - Process for the preparation of a sulfuric acid ester. : de en
  • US1980404A - Rotary pump : en
  • CA346000A - Textile machinery : en fr
  • DE605383C - Segment stuffing box for steam turbine shafts : de en
  • CH173281A - Process for the preparation of a dye of the gallocyanin series. : de en
  • CH172996A - Process for the execution of concrete sheet piles molded in the ground and device for its implementation. : en fr
  • CH173024A - Hangers for clothes, in particular for vestments. : de en
  • US1980843A - Bread band : en
  • DE605712C - Device for degassing milk or similar liquids : de en
  • US1980482A - Container : en
  • USD93857S - Design fob an atomizer : en
  • CA345989A - Burial vault : en fr
  • CH173130A - Mill with two grinding disks which mesh with teeth arranged in a circle. : de en
  • GB420137A - Textile assistants : en
  • US1980324A - Web controlling mechanism for page projectors : en
  • US1980499A - Dust quencher for water gas apparatus and the like : en
  • US1980688A - Air conditioning and refrigeration system : en
  • US1980308A - Method and apparatus for forming material : en
  • US1980235A - Acoustic diaphragm : en
  • US1980286A - Projection screen : en
  • US1980805A - Electron tube construction : en
  • US1980809A - Production of ferric oxide and other metal values from pyrites : en
  • USD93820S - Design fob an accordion case : en
  • US1980317A - Reel seat : en
  • US1980628A - Milk dessert : en
  • US1980236A - Process for making aqueous soluble colloidal sulphur isotonic and injectable solution produced thereby : en
  • US1980825A - Furnace : en
  • DE605634C - Steam oven : de en
  • FR773438A - Process for heating siemens-martin ovens with purified coke oven gas or similar heating gases : en fr
  • GB419568A - Improvements in automatic stabilisers for aeroplanes, vessels, torpedoes and the like craft : en
  • US1980283A - Shipping container : en
  • US1980963A - Tunnel liner : en
  • US1980458A - Latched-in contactor relay : en
  • US1980764A - Machine for fastening covers to fruit baskets : en
  • ES135609A1 - Mechanical manufacturing process for pitchforks. : en es
  • ES2414Y - Holder for cloth or paper towels, to clean razors or razor blades, provided or not with interchangeable blades, for all kinds of inscriptions. : en es
  • GB419513A - Improvements in free-wheel or one-way drive clutches : en
  • US1980535A - Buckle : en
  • USRE19373E - Folding grandstand : en
  • ES135663A1 - Perfeccionamientos in the machines to fix heels. : en es
  • FR773175A - Method of manufacturing tubes molded by centrifugation and having a soft surface layer : en fr
  • DE1317726U - : de en
  • FR773326A - Electric windscreen wipers : en fr
  • FR773428A - Soft turn-down collar for shirts, blouses, etc. : en fr
  • DE605485C - Ski pole plate : de en
  • US1980905A - Method of coloring sheet materials : en
  • US1980387A - Electric cable : en
  • US1980716A - Method of making inlaid metal valves : en
  • ES3090U - Folding armchairs (Machine-translation by Google Translate, not legally binding) : en es
  • DE605628C - Condom : de en
  • CA346029A - Pump or compressor : en fr
  • CH173030A - Process in the manufacture of rayon with uniform shrinkage capacity and device for carrying out the process. : de en
  • GB419432A - Process and apparatus for the reproduction of graphical illustrations and plastic articles by cutting, engraving, profiling, photosculpture and the like : en
  • GB419490A - Improvements relating to work holders for lens blanks : en
  • CH173011A - Spray device, especially for liquid floor wax. : de en
  • GB419407A - Improvements in or relating to branch-fittings for water tubes and the like : en
  • ES3086U - New heel for shoes (Machine-translation by Google Translate, not legally binding) : en es
  • FR773162A - electromotor intended in particular to actuate toys : en fr
  • FR773208A - Process for the production of carboxylic acid ester : en fr
  • DE605342C - Machine for loop-shaped folding of webs of fiber material : de en
  • CH173213A - Signaling device against burglaries. : en fr
  • CH173269A - Process for the preparation of a dye of the gallocyanin series. : de en
  • FR773440A - Improvements to pressure fasteners : en fr
  • DK49527C - Electric Discharge Pipe. : da en
  • DE605729C - Handgun with a cocked trigger : de en
  • GB419464A - Improvements in or relating to the lubrication of railway and like axle-boxes : en
  • ES135046A1 - A process for manufacturing indirect heating cathodes for discharge lamps. : en es
  • ES3113U - Take out juices (Machine-translation by Google Translate, not legally binding) : en es
  • GB419493A - A combined automatic and positive cambering axle for road rollers : en
  • US1980405A - Grain separator : en
  • GB419420A - Improvements relating to glass windows for refrigerators : en
  • CH172990A - Heating device for preventing panes of glass from freezing and fogging, in particular for windscreens and shop windows. : de en
  • CH173166A - Rotary switch. : de en
  • GB419431A - Improvements in or relating to the extermination of weeds : en
  • GB419556A - Improvements in or relating to a piston or packing for plungers : en
  • GB419512A - Improved apparatus for teaching infants to walk : en
  • GB419706A - Swinging saddle for bicycles, motor-cycles and similar vehicles : en
  • FR773441A - Axle control for motor vehicles or other vehicles with driving and steering front wheels : en fr
  • GB419427A - Improvements in ladies' handbags and the like : en
  • US1980681A - Wall board : en
  • US1980848A - X-ray table : en
  • GB419414A - Improved trailer for motor vehicles : en
  • GB419691A - Improvements in tachometers or speed indicators of the chronometric type with remoteelectric control : en
  • GB419716A - Improvements in or relating to cap spinning and twisting apparatus : en
  • FR773322A - Process for the preparation of flexible rubber-like compositions : en fr
  • GB419557A - Improvements in or relating to lubricating apparatus operated by fluid pressure : en
  • GB419484A - Improvements in a porous heat insulating body : en
  • GB419456A - Improvements in, and in the manufacture of, baskets or holders for soaps, sponges and the like : en
  • US1980247A - Poultry feeder or watering trough : en
  • FR773177A - Advertising device : en fr
  • FR773230A - Process for preparing casein glues : en fr
  • GB419393A - Collapsible forms for making cavities in walls, floors, roofs, and such like, in concrete or other similar material : en
  • GB419483A - Improvements in and relating to card indexing methods and devices therefor : en
  • US1980890A - Ready-to-solder wire : en
  • US1980943A - Manufacture of rubber goods : en
  • ES2297Y - Individual capsules for the consumption of liquids. : en es
  • FR773120A - Workbook table and cards for its use : en fr
  • ES135622A1 - Improvements in the construction of cameras for internal combustion engines. : en es
  • FR773194A - Hydrostatic density meter : en fr
  • FR773411A - Method and device for making yarns of polygonal cross section of great length made of rubber, gutta-percha or the like : en fr
  • DK49516C - Electric Heat Consumption Meter. : da en
  • ES3066U - Box to classify, store and transport coins and paper currency or fiduciary documents. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419478A - Improvements in or relating to pockets for trousers : en
  • DE605750C - Automatic pendulum switching or control device for vehicles : de en
  • GB419728A - Improvements in or relating to the manufacture of solid chlorinated rubber products : en
  • DE605595C - Process for the production of anthraquinone dyes for animal fiber : de en
  • DE605624C - Process for the production of ammonium nitrate explosives : de en
  • FR773165A - Piezoelectric devices for sound reproduction : en fr
  • FR773173A - Improvements to mops : en fr
  • FR773429A - Webbed glove in rubber or other flexible material for fast swimming : en fr
  • DE605697C - High-voltage transformer, the high-voltage winding of which is housed in a one-piece coil box made of insulating material : de en
  • FR773375A - Marker markers for roads and paths and other leveling : en fr
  • GB419541A - Improvements in or relating to spray jets and nozzles, more particularly for viscousliquids : en
  • DE605559C - Rising door hinge : de en
  • FR773140A - Process for the manufacture of dichloralkyl ethers : en fr
  • NL34369C - : en
  • DE605736C - Process for the complete revitalization of exhausted bleaching earth : de en
  • USRE19372E - Nonweathering glazed aggregate : en
  • US1980249A - Propeller : en
  • US1980394A - Hunting coat : en
  • DE605645C - Glass forming device with treadmill : de en
  • US1980562A - Planting implement : en
  • ES3058U - Extractor applicable to perforable containers. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419383A - New or improved ejecting means for use more particularly in connection with collapsible tubular fire extinguishers : en
  • FR773442A - Lubricating oil cooling system in engines : en fr
  • FR773446A - Completely removable and tamper-proof packing box : en fr
  • FR773141A - Transmission joint for "front wheel drive" and other uses : en fr
  • DE605781C - Transport device for strips that are jerked out of a loop : de en
  • FI16167A - For the purposes of the general arrangement, the material of the axles shall be fitted with the means of transport in the axle box, as well as the material of the axle box. : en fi
  • FI16185A - Preparative impregnation process for cellulose : en fi
  • DE605511C - Roller for continuous conveyor : de en
  • GB419570A - A method of and apparatus for forming cupped annular members for antifriction bearings : en
  • US1980481A - Acidproof beater bar : en
  • US1980841A - Preparing machine : en
  • US1980730A - Door structure : en
  • US1980749A - Automatic feed regulation of liquid into working containers : en
  • US1980806A - Composite motion pictures : en
  • GB419699A - Improvements in propeller pencils : en
  • US1980578A - Art of treating cast iron castings : en
  • US1980457A - Switch : en
  • DE605403C - Machine for the production of rods, pipes or the like from plastic materials, in particular from rubber and synthetic horn : de en
  • FR773213A - Improvements to ferrous metals : en fr
  • FR773168A - Combined device for pitting and cutting fruit : en fr
  • FR773359A - Process for making transparent film packaging bags : en fr
  • FR773363A - Candle dispenser for churches : en fr
  • FR773256A - Regulator : en fr
  • FR773105A - Improvements to hoes : en fr
  • GB419466A - Improvements relating to spectacles : en
  • GB419491A - Improvements in axle-bearings for railway vehicles : en
  • GB419572A - Improvements in or relating to automatic guns : en
  • FR773204A - : fr
  • GB419531A - Improvements in or relating to the lasting of boots or shoes : en
  • ES3085U - Bed for drinks (Machine-translation by Google Translate, not legally binding) : en es
  • GB419498A - Improvements in toy aeroplanes : en
  • DE605600C - Dental equipment stand with a hollow column : de en
  • FI16188A - Anordning vid flygmaskiner med fritt roterbara vingar eller bärytor : en fi
  • FR773169A - Push button switch : en fr
  • DE605619C - Car roof : de en
  • FR773343A - Seam breaking process with hydraulic backfilling : en fr
  • US1980605A - Apparatus for pasteurizing milk : en
  • DE599069C - Process for the production of paper soaked with an aqueous rubber solution : de en
  • DE605510C - Device for rolling up cigar rolls : de en
  • FR773439A - Process for obtaining fixed dyes on textile materials : en fr
  • US1980280A - Liner for grape shipping boxes : en
  • DE605682C - Device for placing the end of the cover sheet at the top of the roll : de en
  • DE604926C - Track inspection vehicle : de en
  • ES135318A1 - A method of heating and boiling water and other liquids by means of an alternating electric current. : en es
  • ES135588A1 - Improvements introduced in the air cooling systems of combustion engines. : en es
  • ES3073U - Fairground (Machine-translation by Google Translate, not legally binding) : en es
  • GB419408A - Arrangement for discharging water from the attic space of a building : en
  • GB419504A - A remedy for treating husk in cattle : en
  • US1980881A - Manufacture of waterlaid fibrous webs : en
  • FR773211A - Non-putrescible materials composed of cellulosic fibers and process for their manufacture : en fr
  • FR773345A - Installation for heating the feed water of forced circulation boilers : en fr
  • GB419666A - Improvements in the manufacture and production of vat dyestuffs : en
  • CH172989A - Adjustable stairs. : de en
  • US1980812A - Preparation of titanium compounds : en
  • US1980828A - Apparatus and process for distilling and treating coal and other carbonaceous materials : en
  • CH173221A - Electric lighting system for stop signs for electric trains. : de en
  • CA345887A - Crepe yarn : en fr
  • CA345910A - Endless track for vehicles : en fr
  • CA346006A - Metallic oxide : en fr
  • US1980163A - Machine for drying textile materials : en
  • US1980942A - Method and apparatus for cementing wells : en
  • US1980425A - Water heater : en
  • US1980874A - Quick-firing pistol : en
  • ES3053U - Hygienic device for headphones. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419521A - Improvements in or relating to connecting means for pipes or tubes : en
  • DE605577C - Process for the preparation of solid diazonium salts : de en
  • GB419550A - Improvements in and relating to valve gear for internal combustion engines : en
  • GB419641A - An improved process for the production of monocalcium phosphate : en
  • GB419722A - Improvements relating to absorption and adsorption refrigerating apparatus : en
  • DK49522C - Star-shaped Bracket for Retaining Screens for Multi-Screen Luminaires. : da en
  • NL34132C - : en
  • US1980903A - Storage battery element : en
  • US1980461A - Arcing frequency changing system : en
  • USD93849S - Design for a portable bar or similar : en
  • DE605497C - Acceleration-free drive for polygonal pulleys of bucket chain excavators or similar devices : de en
  • DE605568C - Clamping device for processing round stereotype plates, galvanos or the like of various diameters : de en
  • DE605706C - Process for the production of rubber sleeves for water jet regulators : de en
  • DE605573C - Process for sizing textiles : de en
  • DE605614C - Oil pressure control device for internal combustion engines : de en
  • DE605679C - Transportable stepped gear : de en
  • US1980178A - Machine tool attachment : en
  • US1980408A - Golf club : en
  • US1980352A - Bottle crate : en
  • ES2604Y - Safety razor. : en es
  • ES3121U - Frame to draw in public through which amazing optical effects are achieved (Machine-translation by Google Translate, not legally binding) : en es
  • GB419672A - Improvements in or relating to fastening-inserting machines : en
  • ES135579A1 - Apparatus for mechanically cutting cuffs in the manufacture of diagonal pans and velours. : en es
  • CA345893A - Sludge drying device : en fr
  • CA345970A - Electric power converting apparatus : en fr
  • US1980199A - Water faucet : en
  • DE605758C - Acetylene lamp according to the drip system : de en
  • US1980636A - Torch head : en
  • US1980346A - Bookkeeping machine : en
  • US1980802A - Fuel gas generator : en
  • USD93810S - Design fob a dispensing device fob : en
  • USD93843S - Design for a blowpipe : en
  • DE605554C - Device for increasing the lift of aircraft wings : de en
  • DE605723C - One or more rotating grinding or polishing bodies that work with the flat face : de en
  • DE605759C - Scatter container with a pouring channel arranged in the sloping bottom with a measuring space : de en
  • GB419567A - Improved manufacture of alkali sulphides : en
  • CH173231A - Liquid tank. : de en
  • DE605751C - Electro-acoustic signaling device for vehicle trains : de en
  • US1980907A - Motor speed indicating and control device : en
  • CA345974A - Photo-electric tube : en fr
  • US1980224A - Exhaust system : en
  • ES135573A1 - A procedure for obtaining carbon dioxide. : en es
  • FI16171A - Kilometerräknare för fordon, särskilt järnvägsfordon : en fi
  • ES3070U - Close seal for bottles. (Machine-translation by Google Translate, not legally binding) : en es
  • US1980870A - Electric discharge apparatus : en
  • US1980849A - Dual wheel : en
  • US1980176A - Unidirectional current passing device : en
  • US1980713A - Radio receiving system : en
  • CH173229A - Tube closure. : de en
  • CA345981A - Resilient building construction : en fr
  • US1980285A - Projection screen : en
  • US1980604A - Method and apparatus for making cartons : en
  • CA345954A - Power transmitting device : en fr
  • CH173179A - Grid-controlled vapor or gas discharge tube with an auxiliary discharge as electron source. : de en
  • NL33949C - : en
  • US1980734A - Loosening ice cubes : en
  • USD93846S - Design fob a shoe : en
  • US1980659A - Note-block : en
  • CH173085A - Device for duplicating originals provided with printable mirror writing. : de en
  • ES135604A1 - Soles manufacturing process for footwear. : en es
  • CA346009A - Variable speed transmission : en fr
  • CH173006A - Automatic switching device for the electrical control of oil fires. : de en
  • DE585855C - Spring-mounted cushion for riflescopes : de en
  • US1980343A - Continuous rotation glass machine : en
  • US1980454A - Temperature controlling means : en
  • USD93812S - Design fob a liquid fuel cook stove : en
  • US1980396A - Reaction product of butadiene derivatives with hydrogen halides and method of producing same : en
  • US1980626A - Heat exchange apparatus : en
  • US1980795A - Method of photography : en
  • US1980594A - Smoking implement : en
  • US1980574A - Instrument exhibiting mechanism : en
  • US1980654A - Electric heater : en
  • CA345932A - Immersion heater : en fr
  • CH173265A - Process for the preparation of a dye of the gallocyanin series. : de en
  • NL34011C - : en
  • US1980921A - Vanity case : en
  • DE605770C - Process for the production of angular lanterns from paper or the like that is folded or pleated like a concertina. : de en
  • CH173005A - Lock. : en fr
  • CA345892A - Electrodialysis : en fr
  • CA345898A - Tobacco pipe : en fr
  • US1980529A - Orienting device for core drills : en
  • USD93830S - Design fob a finger ring : en
  • FI16190A - Abrasive combination : en fi
  • CH173050A - Baking agent. : de en
  • CA345928A - Printer's type case : en fr
  • CH173108A - Accounting machine. : en fr
  • CA346071A - Sharpening device for pulp grinders : en fr
  • CH173191A - Hip bath bowl. : de en
  • US1980193A - Chip cutter : en
  • US1980200A - Motor fuel : en
  • US1980212A - Apparatus for eliminating interferences in radio reception : en
  • ES135560A3 - Improvements in the manufacturing procedures for headbands, clips and general hair clips. : en es
  • ES2559Y - A mechanical pressure seal for containers : en es
  • GB419703A - Improved method of and apparatus for conveying powdered or pulverulent material in bulk : en
  • US1980958A - Sanitary napkin : en
  • USD93833S - Design for a shoe : en
  • US1980395A - Electroresponsive system : en
  • CH173140A - Screw. : en fr
  • CH173222A - Promotional calendar. : de en
  • US1980507A - Handkerchief and tie set and method of making same : en
  • US1980359A - Metal cutting machine : en
  • ES3034U - Display device in the shop windows. (Machine-translation by Google Translate, not legally binding) : en es
  • DE586350C - Process for the production of silicon from silicon dioxide : de en
  • GB419723A - Improvements relating to machine for sorting fruits and other more or less globular articles : en
  • US1980520A - Carburetor : en
  • US1980537A - Manufacture of 2-nitrodiphenyl : en
  • GB419673A - Improvements in or connected with coal mining and like apparatus : en
  • GB419376A - Improvements in or relating to packing machinery : en
  • DE605747C - Compressors, especially for household refrigerators : de en
  • GB419601A - Improvements in or relating to knitting needles and knitting machines : en
  • GB419602A - Improvements in lighting fittings : en
  • GB419815A - Improvements in revolving-cylinder pumps : en
  • US1980314A - Automobile wheel : en
  • US1980468A - Process and apparatus for the manufacture of artificial filaments : en
  • CA346051A - Acoustic device : en fr
  • US1980633A - Wind-screen ensuring direct vision through the air : en
  • CH173088A - Photographic camera with basic rangefinder. : de en
  • US1980698A - Rotor for dynamo-electric machines : en
  • CH173255A - Method and machine for building up yarn in a cylindrical cross winding for bleaching, dyeing, etc. : de en
  • CA346062A - Paper manufacture : en fr
  • US1980935A - Electric welding machine : en
  • CA346049A - Telegraph exchange system : en fr
  • DE605491C - Device for the gradual removal of a paper web from the roll : de en
  • CH173122A - Method for soldering objects made of aluminum and aluminum alloys. : de en
  • US1980311A - Cop or quill : en
  • CH173128A - Veneer paste. : de en
  • CH173279A - Process for the preparation of a dye of the gallocyanin series. : de en
  • CH173288A - Process for the preparation of a cyanine dye. : de en
  • CA345987A - Continuous milk delivery system : en fr
  • CH173031A - Spin regulator. : de en
  • CH173199A - Body of material for the production of protective covers. : de en
  • CH173258A - Process for the preparation of an agent for increasing the capillary activity of liquids. : de en
  • CH173136A - Health smoke filter. : de en
  • DE605553C - Process for the production of photosensitive layers by means of diazo compounds : de en
  • US1980862A - Wrench : en
  • USD93813S - Design fob a lounge : en
  • US1980409A - Frequency converting system : en
  • US1980222A - Clasp : en
  • US1980592A - Stapling or discontinuous wire stitching machine : en
  • US1980479A - Wheel : en
  • CA346053A - Signalling system : en fr
  • DE605771C - Device for lighting magnesium strips or wires : de en
  • US1980625A - Fountain pen : en
  • US1980789A - Control apparatus : en
  • CA345925A - Stocking manufacture : en fr
  • US1980575A - Tray receptacle holder : en
  • US1980365A - Method of producing gears : en
  • US1980836A - Furnace heat regulator : en
  • DE605717C - Clamping, in particular drill chucks : de en
  • US1980166A - Pivot lubricating and bearing means : en
  • US1980373A - Method and apparatus for manufacturing glassware : en
  • US1980560A - Duplicating block : en
  • DE605631C - Self-collecting chocolate seller : de en
  • FR773172A - Points counter for billiards with holes : en fr
  • NL34106C - : en
  • US1980498A - Method for mercerizing cotton fibers : en
  • US1980589A - Capillary colloid : en
  • US1980622A - Wheat flour milling process : en
  • US1980758A - Pushpin : en
  • CH173173A - Device for connecting relay devices and other low-voltage devices, in particular protective relays, to a high-voltage conductor. : de en
  • CH173120A - Process and device for casting metal tubes. : de en
  • AU1416433A - Improved means for maintaining loose leaves or sheets between the covers ofa book orthe like : en
  • CH173101A - Ball game. : de en
  • US1980372A - Concrete form : en
  • US1980568A - Windshield cleaner : en
  • CH173034A - Winch. : de en
  • NL34152C - : en
  • US1980788A - Electron discharge system : en
  • US1980959A - Artificial mass : en
  • CA346017A - Phase modulated waves receiving apparatus : en fr
  • US1980331A - Cold rolled iron chromium alloy article : en
  • US1980673A - Apparatus for hoisting and distributing loose material : en
  • DE605335C - Display device to control the temporal use of vehicles, machines, etc. : de en
  • GB419461A - Improvements in or relating to presses or hangers for trousers : en
  • US1980641A - Article feeder for packing machines : en
  • DE605585C - Control arrangement for step transformers to which an additional transformer with fine control is connected : de en
  • GB419359A - Package carrier arbor or spindle supporting, driving and adjusting means for apparatus for cross-winding thread, yarn, string and such like : en
  • GB419506A - Improvements in or relating to lubricating devices, such as grease-guns and the like : en
  • USD93848S - Design fob a handle ob similar : en
  • FR773413A - Manufacturing process for food product packaging : en fr
  • DE605708C - Collapsible eyeglass frame : de en
  • FR773223A - Liquid heater : en fr
  • US1980877A - Beer regulating and cooling apparatus : en
  • US1980603A - Tandem sewing machine outfit : en
  • US1980649A - Lubricating oil process : en
  • CA345894A - Beer cooling apparatus : en fr
  • US1980500A - Draft appliance for carbonated beverages : en
  • CH173051A - Spreader for butcher shops. : de en
  • FR773150A - Rest item for camping : en fr
  • CA346018A - Variable condenser : en fr
  • DE605756C - Glutinous adhesive film without carrier : de en
  • USD93847S - Design fob an ice cream cone ob : en
  • ES135648A1 - Improvements in clarification facilities for dirty or wastewater. : en es
  • ES3084U - Security device for pithing stock. (Machine-translation by Google Translate, not legally binding) : en es
  • US1980952A - Machine for breaking cubes of ice : en
  • ES135095A1 - Method for the sterilization, without filtration, of mineral or organic liquids, based on the bactericidal action of the silver or gold colloids, obtained by reduction or by any of the other usual methods and absorbed by inert materials. : en es
  • US1980697A - Shoulder strap holder : en
  • US1980180A - Hermetically sealed carton and method of sealing the same : en
  • ES135559A1 - Improvements in rotary wing aerial vehicles. : en es
  • US1980941A - Color photography : en
  • USD93842S - Design foe a blowpipe : en
  • FR773255A - Improvements to vacuum suction cups : en fr
  • USD93854S - Design for a combined coffeepot : en
  • US1980497A - System of seating : en
  • DE605612C - Screw studs for horseshoes : de en
  • CH173065A - Process for the preparation of a 1.9-anthrapyrimidine derivative. : de en
  • CH173193A - Method of making a medicinal product. : de en
  • CA345979A - Steam heating system : en fr
  • CA345899A - Electrochemical electrode : en fr
  • CH173043A - Ironing pad with two ironing boards lying parallel on top of each other. : de en
  • AU1501333A - Improvements in or relating to radio and like transmitters : en
  • DE605538C - Stove top : de en
  • DE605720C - Reflex camera : de en
  • US1980854A - Scaffold bracket : en
  • USRE19370E - Electrolytic condenser : en
  • US1980964A - Organ valve structure : en
  • US1980300A - Copyholder : en
  • US1980218A - Coking of oil : en
  • US1980811A - Cooling system for internal combustion engines : en
  • US1980800A - Method of and physical arrangement for contact breaking and lighting appliances : en
  • DE605794C - Device for filling and measuring small amounts of liquids and gases : de en
  • GB419441A - Improvements in or relating to television and the like systems : en
  • GB419514A - Improvements relating to cases or devices for the carrying of postage stamps and thelike : en
  • CA345957A - Film and foil manufacture : en fr
  • US1980751A - Wheel alignment and turning mechanism for trailer cars : en
  • US1980933A - Coupling : en
  • CA345890A - Wood cellulose manufacture : en fr
  • CH173100A - Anti-slip device for skis. : en fr
  • US1980851A - Box : en
  • US1980968A - Inking mechanism for printing presses : en
  • NL35280C - : en
  • US1980210A - Baby carriage : en
  • US1980420A - Locomotive brake equipment : en
  • US1980738A - Refrigerator container for container cars : en
  • US1980196A - Electric discharge device : en
  • US1980460A - Adjustable spray nozzle : en
  • US1980833A - Valve : en
  • CH172995A - Method and device for taking undisturbed soil samples. : de en
  • FI16151A - Electric framing regulators for slipmaskers : en fi
  • GB419695A - Improvements in locomotive crossheads : en
  • US1980417A - Art of canning : en
  • US1980293A - Mouthpiece : en
  • CH173056A - Machine for making cigars, cigarillos and cigar wrappers. : de en
  • CH173041A - Preparations for treating fabrics, leather and paper. : de en
  • CH173118A - Steel alloy for the manufacture of valves. : de en
  • US1980490A - Concentrator : en
  • US1980847A - Device for regulating the pitch of variable pitch propellers during flight : en
  • US1980929A - Bathtub construction : en
  • US1980937A - Electron discharge device : en
  • CH173017A - Device for braking and locking the swivel wheels of hospital beds, hospital chairs, magazine carts, serving tables, etc. : de en
  • CH173084A - Device for embossing initials, monograms etc. on paper etc. : de en
  • US1980683A - Portable receptacle : en
  • US1980693A - Balancing device : en
  • US1980476A - Liquid fuse : en
  • US1980816A - Controlling apparatus : en
  • CH173147A - Liquid handling system. : de en
  • CH173073A - Process for the production of cellulose from the coarse material that occurs when sorting wood pulp. : de en
  • DE596917C - Injection device for internal combustion engines : de en
  • FR773400A - Rotary machine with armored mechanism with auxiliary liquid and internal distributor cylinder : en fr
  • FR773233A - Lawn Mower Improvements : en fr
  • FR773334A - Barrel : en fr
  • ES3074U - Perfect closure for car covers. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773305A - Sewing machine with electric lighting and lamp producing this lighting : en fr
  • GB419661A - Improvements in or relating to the control of high frequency currents : en
  • ES135679A1 - A gyroscopic device to maintain an air or sea navigation vehicle in a certain direction. : en es
  • DE605507C - Device for making, re-rolling and covering cigar rolls : de en
  • FI16181A - Cooler for millstones and flour : en fi
  • CA345914A - Air brake and vehicle control : en fr
  • GB419584A - Improvements in or relating to pneumatic tyred vehicle wheels : en
  • CA345990A - Abrasive article production : en fr
  • CH173145A - Notching. : de en
  • DE605694C - Low-capacity cable with air space insulation : de en
  • FI16145A - Anordning vid stekugnar o.dyl. : en fi
  • CH173127A - Device for adjusting the height of planing tables on wood planing machines. : de en
  • CH173115A - Timepiece. : en fr
  • US1980228A - Welding tool : en
  • US1980278A - Sewing machine : en
  • CH173068A - Process for the production of a purple sulfur dye. : de en
  • FR773449A - Process for the manufacture of ethylhexaldehydes, ethylhexanol and heptanol : en fr
  • CA346044A - Steel hardening method : en fr
  • CH173207A - Method for transmitting signal streams over telephone lines. : de en
  • US1980634A - Method for building levees : en
  • CH173098A - Ski binding. : de en
  • DK49519C - Device at negative pressure steam heating system. : da en
  • CA346058A - Wire fabric : en fr
  • CH173180A - Device for influencing the voltage of electrical discharge devices with metal vapor. : de en
  • USD93851S - Design for a cabinet for phono : en
  • CA346022A - Motor fuel : en fr
  • DK49518C - Device for embedding wax models for dental fillings. : da en
  • FR773130A - Device for attaching a thermometer to a body containing a fluid whose temperature is to be measured : en fr
  • CH173129A - Protective device on planing machines. : de en
  • NL59141A - Method and device for producing a coating from mineral fibres, in particular asbestos, and a binding agent using an air stream and a spraying device : en nl
  • US1980347A - Wall covering : en
  • US1980925A - Propulsion means : en
  • DE605453C - Arrangement for volume control in amplifier stages with resistance-capacitance or galvanic coupling : de en
  • US1980216A - Gluing method and apparatus : en
  • US1980657A - Apparatus for plotting maps from photographs : en
  • US1980965A - Journal box : en
  • ES135576A1 - Automatic hydraulic motor. : en es
  • ES3089U - Claim apparatus for shop windows and similar uses. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419477A - Improvements in or relating to the manufacture of artificial silk threads, filamentsand the like : en
  • GB419823A - Improvements in or relating to the top or pressure rollers of drawing mechanisms forspinning or preparing textile fibres : en
  • ES135670A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • ES3102U - Improvements in the manufacture of hollow parts for construction (Machine-translation by Google Translate, not legally binding) : en es
  • FR773125A - Non-freezing coolant or hydraulic sealant : en fr
  • GB419628A - Improvements in machines for drawing metal components : en
  • AU1432933A - Improvements in or relating to very shortwave directional wireless aerial arrangements : en
  • CA345960A - Pulp web : en fr
  • CH173080A - Sheet delivery device on high-speed cylinder presses. : de en
  • FI16176A - Exemption from the market for natural and transplantation of natural or plant breeding or for transplantation : en fi
  • ES2557Y - Stirrup or clip for bicycle pedals. : en es
  • FR773224A - Improvements to devices used to dry slurry and other materials : en fr
  • US1980720A - Packing : en
  • CA346010A - Waterproof concrete : en fr
  • CH173186A - Automatic device preventing the untimely or accidental arrival of gas in a burner. : en fr
  • GB419562A - A springing arrangement for the wheels of vehicles : en
  • FR773180A - Sweeper with automatic closing and opening, particularly suitable for cleaning the floor of public roads, homes and commercial premises : en fr
  • ES135540A1 - A new procedure to save fuel, applicable to all kinds of internal combustion engines. : en es
  • FR773122A - Improvements in rescue and recovery devices for sunken buildings : en fr
  • US1980518A - Material for coating metal : en
  • FR773245A - Connection device for incandescent candles : en fr
  • US1980572A - Electron discharge device and method of manufacturing : en
  • US1980678A - Buckle for linemen's belts : en
  • US1980798A - Change speed system : en
  • GB419637A - Improvements in heat insulation : en
  • FR773138A - Electro-magnetic impact tool : en fr
  • CA346014A - Electric condenser : en fr
  • GB419519A - Exercising device for the muscles used in ski-running : en
  • FR773258A - Rotary piston machine : en fr
  • FR773277A - Wallet-bill holder : en fr
  • GB419355A - Improvements in or relating to swivel pipe couplings : en
  • FI16189A - Kopplingslänk : en fi
  • US1980160A - Projector for type bar printers : en
  • US1980827A - Apparatus for the production of carbon black : en
  • ES3096U - Boxes and expandable containers. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419511A - Improvements in apparatus for concentrating liquids under vacuum : en
  • GB419625A - Improvements in carburettors for internal combustion engines : en
  • FI16169A - Fertilization of the electrolyte according to the electrolytic system : en fi
  • GB419651A - An improved centrifuge, particularly for non-uniform filling e.g. of articles for washing : en
  • FI16184A - Derogation for the use of a practical tag for cellulose ("alpha-cellulose") and for the use of a variety of cells : en fi
  • CH173276A - Process for the preparation of a dye of the gallocyanin series. : de en
  • US1980486A - Surgical foot covering : en
  • FR773216A - Advanced vessel for boiling liquids : en fr
  • FR773316A - Improvements to means to facilitate the installation of lifting devices, such as, in particular, jacks for motor vehicles : en fr
  • GB419467A - Measuring apparatus for measuring and delivering hot tar or bitumen and other liquids : en
  • GB419605A - Improvements in wrapping machines : en
  • GB419635A - A new or improved ventilator or air extractor : en
  • GB419935A - Improvements in and relating to alternating current power transmission circuits : en
  • ES135605A3 - A device for the automatic discharge of water in water-closets and the like. : en es
  • US1980446A - Refrigerator vehicle body : en
  • FR773397A - Improvements to cooling towers : en fr
  • ES3044U - Compendium sheet to order and classify legislative matters. : en es
  • US1980390A - Apparatus for digesting cellulose material : en
  • GB419565A - Delivery regulator for reciprocating pumps, in particular for feed water heaters : en
  • GB419392A - Apparatus for testing telephones : en
  • DE605742C - Device for the automatic shut-off of gas lines : de en
  • ES135633A1 - A process for the production of valuable liquid hydrocarbons and occasionally their derivatives. : en es
  • FR773358A - Table tops, especially for restaurants, guesthouses, etc. : en fr
  • ES2560Y - An improved medicine holder that can be used as both a dropper and an irrigator. : en es
  • FR773128A - Frame for spectacle lenses : en fr
  • FR773188A - Hub device for twin wheels of heavy goods vehicles : en fr
  • GB419457A - Improvements in or relating to the production of esters : en
  • DE605539C - Vaulted, space-enclosing networks of rods extending from node to node : de en
  • ES135602A1 - PERFECTED ELASTIC PENDULUM APPARATUS DESIGNED PARTICULARLY FOR MEASURING THE INTENSITY OF GRAVITY : en es
  • FR773404A - Improvements to rectometers used in the clothing industry : en fr
  • GB419682A - Improvements in or relating to rollers for supporting ledgers or other books : en
  • GB419373A - Improvements in or relating to the manufacture of resinous products : en
  • FR773137A - Method and device for stabilizing ships : en fr
  • GB419618A - Improvements in and relating to apparatus for softening, heating or rendering more plastic asphaltic surfacing materials : en
  • FR773212A - Process for preparing disazo dyes : en fr
  • FR773250A - Circular saw blade sharpening machine : en fr
  • GB420227A - Improvements in auxiliary switch devices : en
  • DE605680C - Handle, especially for the handlebars of bicycles : de en
  • DE605693C - Method and device for laying electrical cables in drying pans : de en
  • ES135666A1 - A procedure to apply the rails for tram or railroad tracks on rubber pads. : en es
  • GB419612A - Improvements in or relating to electric lampholders of the bayonet type : en
  • US1980434A - Device for dispensing lubricant from sealed containers : en
  • USD93836S - Design fok a rind stbipper : en
  • DE605580C - Quick press : de en
  • DE605711C - Straw feed device for mowing machines : de en
  • ES2599Y - New rail splice. : en es
  • GB419710A - Improvements in or relating to wireless sets : en
  • US1980172A - Remote control device : en
  • FI16157A - Folding sofa : en fi
  • GB419463A - Improvements in cases or containers for tablets, pills and the like : en
  • FR773239A - Improvements to leather scraping machines : en fr
  • ES2983U - Protector to cover the seats of the toilets. (Machine-translation by Google Translate, not legally binding) : en es
  • ES3101U - Cardboard or cardboard box. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773311A - Advanced fan : en fr
  • DE605769C - Mixture regulator : de en
  • DE605547C - Collecting and laying grates on potato harvesters with throwing wheel : de en
  • FR773193A - Improvements to synchronized asynchronous motors : en fr
  • US1980563A - Cigarette : en
  • DE605526C - Process for the automatic parallel connection of alternating or three-phase generators to a network operating with constant voltage : de en
  • US1980195A - Wind tunnel balance : en
  • US1980407A - Safety razor blade honer : en
  • CA345938A - Trimmer saw : en fr
  • CH173270A - Process for the preparation of a dye of the gallocyanin series. : de en
  • FR773142A - Improvements to air mattresses : en fr
  • FR773166A - Piezoelectric vibrating devices for sound reproduction : en fr
  • CH173275A - Process for the preparation of a dye of the gallocyanin series. : de en
  • GB419810A - An improved method of producing photographic dyestuff images : en
  • GB419401A - Improvements in and relating to systems for the communication of control and/or signal influences, more particularly for centralised traffic controlling installations : en
  • GB419593A - Improvements in or relating to firing systems for steam or hot-water boilers : en
  • DK49511C - Two-axle Rail vehicle. : da en
  • ES135645A1 - A machine gun. : en es
  • US1980419A - Backing-up ring for welding : en
  • US1980510A - Process for producing safety glass : en
  • US1980773A - Lighting unit : en
  • US1980786A - Recorder : en
  • GB419578A - An improved package and a machine for and method of producing same : en
  • CH173003A - Process for the production of a lightweight construction material. : de en
  • CA345973A - Photo-electric tube : en fr
  • CA346011A - Mineral oil separation : en fr
  • FR773129A - Improvements to respiratory masks : en fr
  • GB419674A - Improvements in and connected with rail bearer plates or railway sleepers : en
  • US1980637A - Educational game : en
  • ES135577A1 - Supercentrifuge oscillating machine for clarification and separation of liquids by high rotation speed. : en es
  • DE605531C - X-ray tube in which the focal point is moved on the anticathode : de en
  • DE605687C - Process for the preparation of water-soluble compounds of heterocyclic compounds : de en
  • US1980289A - Clutch : en
  • US1980916A - Clamp for rail heaters : en
  • CH173290A - Process for the preparation of a cyanine dye. : de en
  • DE605528C - Quotient toggle relay for alternating current : de en
  • GB419375A - Improved method of and apparatus for sorting or separating coal and other materials : en
  • GB419535A - Improvements in tunnel kilns and the like : en
  • US1980940A - Stop motion for looms : en
  • FR773104A - Hasp closures for briefcases, suitcases, bags, wallets, coin purses, and the like : en fr
  • FR773207A - Partitions improvements : en fr
  • FR773270A - Improvements to the hands of jacquard, dobby and similar mechanics : en fr
  • AU1513033A - Improvements relating to automatic weighing apparatus : en
  • US1980746A - Device for connection to terminal elements : en
  • US1980726A - Compressor : en
  • US1980899A - Alternating current generator : en
  • DE605424C - Process for the manufacture of explosives : de en
  • CH173201A - Payment device to be installed in a consumption line. : de en
  • CH173232A - Steerable sledge attached to ski woods. : de en
  • US1980617A - Hydraulic opening and closing device : en
  • US1980853A - Container cap construction : en
  • FR773299A - Improvements in annealing or cooling glass objects : en fr
  • GB419374A - Improvements in or relating to the manufacture of derivatives of the anthraquinone series : en
  • GB419394A - Improvements in or relating to heat insulating lagging of hot water cylinders or tanks : en
  • GB419409A - Improvements in ventilating apparatus for vehicle bodies : en
  • DE605667C - Automatic trailer coupling, especially for motor vehicles : de en
  • DE605753C - Leonard control device for electrically driven model towing devices and similar devices : de en
  • US1980647A - Submarine life saving apparatus : en
  • DE605710C - Jaet machine with a rotating drum : de en
  • DE605752C - Brake assembly : de en
  • US1980475A - Hair waving apparatus : en
  • US1980695A - Art of preserving fresh fruit juices in their natural state : en
  • US1980763A - Dust exhausting apparatus : en
  • FI16150A - Enkammartryckluftbroms : en fi
  • FR773182A - Improvements to fabrics made wholly or in part of elastic rubber threads : en fr
  • GB419659A - Improvements in and relating to indirectly heated cathodes : en
  • GB419675A - Improvements in or relating to the manufacture of conversion products of casein : en
  • FR773136A - Improvements in means to facilitate the boiling of certain liquids, in particular milk : en fr
  • ES2600Y - Device for cleaning combs and combs of all kinds. : en es
  • CH173063A - Process for the preparation of a mixture of higher ethers. : de en
  • CH173237A - Flexible mounting for part of the locomotion device for motor vehicles with a central, tubular support body. : de en
  • US1980528A - Electric heating pad : en
  • US1980667A - Berry box : en
  • FI16149A - Ångalstrare med tvångscirkulation av arbetsmediet : en fi
  • FR773303A - Improvements to reciprocating devices : en fr
  • GB419561A - Improvements in yarn tensioners for cop winders : en
  • GB419669A - Improvements relating to coin-freed apparatus : en
  • GB419700A - Hydraulic device for detaching motor-car wheels, levers and the like from their supports : en
  • ES135173A1 - IMPROVEMENTS INTRODUCED IN THE METHODS TO PREPARE NEW CHEMICAL COMPONENTS : en es
  • FR773149A - Electronic discharge device : en fr
  • DE605567C - Process for the preparation of C, C-disubstituted compounds of barbituric acids : de en
  • ES135343A1 - A hydro-rotating brush. : en es
  • GB419656A - An improved carbon sheet : en
  • FR773389A - Improvements in the treatment of glauconite for its application as a water softening agent : en fr
  • FR773244A - Manufacturing process of serrated shears : en fr
  • FR773307A - Method and apparatus for making ice cream : en fr
  • FR773369A - Method and device for roasting ores in rotary tube furnaces : en fr
  • FR773163A - Process for removing the fishplate covering an open weld gap : en fr
  • GB419613A - Improvements in child's cots : en
  • CH173044A - Press for pressing out laundry, cleaning rags, etc. : de en
  • ES135672A1 - A machine to compress sheets of corrugated cardboard. : en es
  • ES135691A1 - An apparatus for treating solids with liquids, possibly in the presence of gases. : en es
  • ES2446Y - Device applicable to walking wrists to improve their movements and perfect their push-ups. : en es
  • FR773370A - Cyclic amidines containing alcoholic residues greater than the carbon atom in the mu position : en fr
  • GB419724A - Improvements in and relating to electrical connections : en
  • USD93815S - Design for an electric glass auto : en
  • GB419523A - Improvements in or relating to scanning devices such as mirror drums for use in television, picture telegraphy and the like systems : en
  • FR773148A - Billiard table extendable in height and length and convertible into a table : en fr
  • FR773248A - Method of packing spools of sewing thread and other articles : en fr
  • GB419705A - Improvements in or relating to electrically controlled screw-tapping machines : en
  • US1980364A - Pipe protector : en
  • US1980253A - Paper making apparatus : en
  • US1980556A - Photographic surveying apparatus : en
  • US1980884A - Drafting device : en
  • DE605462C - Method and device for removing molten glass through a container outlet located below the glass surface : de en
  • USD93860S - Design fob a visible card index : en
  • US1980192A - Aqueous dispersions : en
  • DE605801C - Arrangement for generating frequency-modulated vibrations using piezoelectric bodies : de en
  • ES135674A1 - System to mix or combine sound effects. : en es
  • CH173177A - Discharge vessel filled with gas or steam and indirectly heated hot cathode. : de en
  • US1980269A - Signal switch for automobiles : en
  • US1980451A - Tube joint : en
  • DE605655C - Device for cutting the sewing threads on lockstitch footwear sewing machines : de en
  • GB419410A - Improvements in clutches : en
  • DE1317610U - : de en
  • US1980860A - Garment treating machine : en
  • US1980406A - Television apparatus : en
  • US1980423A - Automatic recovery device for pneumatic suspensions : en
  • US1980818A - Adapter for dkaft regulators : en
  • USD93844S - Design fob a blowpipe : en
  • DE605602C - Three-phase control : de en
  • ES135583A1 - A new system for manufacturing leather footwear with soles fixed by vulcanization. : en es
  • GB419486A - Improvements in or relating to variable speed gearing : en
  • DE605657C - Plant containers and process for their manufacture : de en
  • FR773412A - Shopping bag : en fr
  • DE605592C - Vacuum-tight sealed arc lamp with basic gas filling, a cadmium bottom body and electrodes made of high-melting substances : de en
  • FR773112A - Light fuel pump : en fr
  • GB419459A - Improvements in or relating to rifles : en
  • US1980611A - Brake : en
  • GB419650A - Improvements relating to self-closing valves for use with compressed or liquefied gases : en
  • US1980931A - Percolator : en
  • DE605496C - Tilting device, especially for railroad cars : de en
  • DE605764C - Electrical gauge : de en
  • US1980552A - Paint striping nozzle : en
  • FI16148A - Fertilization rate for the production of alkali cellulose Cellulose : en fi
  • GB419662A - Improvements in or relating to combined ticket punch and change giving machines : en
  • US1980374A - Valve : en
  • GB419680A - Improvements in or relating to iron chromium alloys : en
  • GB419697A - Improvements in motor vehicles comprising cleaning and fireextinguishing means : en
  • DE591746C - Process for the production of artificial marble from marble cement : de en
  • DE605548C - Autonomous trap nest : de en
  • USD93829S - Design for a finger ring : en
  • DE605505C - Coverings for papers that are used as intermediate layers, pull tabs, etc. Like. Come into contact with the free surface of photographic layers : de en
  • FR773367A - Process for preparing aliphatic amines : en fr
  • DE605724C - Safety razor with device for easier cleaning : de en
  • CH173259A - Process for the preparation of an agent for increasing the capillary activity of liquids. : de en
  • US1980232A - Counter : en
  • US1980590A - Windshield cleaner : en
  • US1980796A - Motor starter and control system : en
  • IE13369L - Vaporiser for i.c. engines : en
  • ES135631A1 - A procedure for the preparation of the olives for the extraction of their oil, subjecting them to a previous deboning and to a removal under pressure. : en es
  • FR773240A - Mounting of a magnifying glass for examining the target image in cameras : en fr
  • FI16164A - Roterugn : en fi
  • FR773126A - Mechanical drawing device for lottery numbers or financial titles : en fr
  • FR773384A - Improvements to piston pumps, especially fuel injection pumps for internal combustion engines : en fr
  • CH173077A - Switching device for triggering the E and N matrices on line typesetting machines. : de en
  • GB419480A - Improvements relating to the lubrication of conveyors : en
  • US1980785A - Elastic fluid generator : en
  • USD93818S - office : en
  • US1980855A - Electric discharge device : en
  • US1980612A - Apparatus for distillation : en
  • US1980844A - Number indicating device : en
  • US1980783A - Tennis racket and method of stringing same : en
  • CH172986A - Slab for paving and coverings. : en fr
  • US1980966A - Substituted alkylphenols and method of producing the same : en
  • DE605482C - Security device against theft of motor vehicles : de en
  • DE605755C - Device for monitoring electrical lines by means of a device attached to the end of the line : de en
  • US1980601A - Outboard motor starter : en
  • US1980709A - Copyholder : en
  • US1980313A - Window post and guide construction : en
  • US1980962A - Line casting machine : en
  • US1980631A - Chicken brooder house : en
  • CH173078A - Printing machine. : en fr
  • CH173164A - Test clamp for electrical switchgear. : de en
  • CA346063A - Air mattress : en fr
  • CH173094A - Gymnastics rod with incandescent lamps arranged at the ends inside the same. : de en
  • CA345937A - Fly trap : en fr
  • US1980596A - Electron discharge tube : en
  • US1980863A - Condiment holder : en
  • CH173285A - Process for the preparation of a cyanine dye. : de en
  • US1980553A - Power operated tractor guide : en
  • US1980859A - Match box and striking device : en
  • CH172992A - Exhaust gas extraction system in car garages and boxes. : de en
  • CH173062A - Process for the preparation of protocatechualdehyde-3-ethyl ether. : de en
  • US1980760A - Shingle : en
  • DE605734C - Multi-turn screw for brick extrusion presses with overlapping drive surfaces of successive screw flights : de en
  • DE605777C - Dump box device with overburden bunker fed by the cable excavator and equipped with a swiveling discharge conveyor : de en
  • US1980484A - Ironing machine : en
  • US1980267A - Bookbinding : en
  • CA346059A - Asymetrical arsenic compound : en fr
  • CH173204A - Safety device for moving vending machines. : en fr
  • US1980543A - Wetting agents : en
  • US1980706A - Track recorder system : en
  • US1980206A - Brake : en
  • US1980830A - Regenerative braking of alternating-current commutator motors : en
  • DE605700C - Device for the production of jacquard patterned goods on cup machines : de en
  • CH173144A - Pressure reducing device. : de en
  • FI16179A - Radial roller or ball bearing : en fi
  • GB419607A - The manufacture of neutral, water-soluble organo-metallic compounds : en
  • CH173198A - Process for the preparation of B-oxybutyrate hexamethylenetetramine. : de en
  • CH173277A - Process for the preparation of a dye of the gallocyanin series. : de en
  • US1980652A - Basket ball goal indicator : en
  • CH173153A - Alternator with an attached reduction gear for driving a breaker. : de en
  • CA346023A - Cleaning composition : en fr
  • US1980456A - Electromagnetically operated switch : en
  • US1980694A - Application of coverings to wires applicable to the insulation of electric conductors and to other purposes : en
  • FR773331A - Refinements to inductance coils : en fr
  • US1980433A - Oil dispensing device : en
  • US1980829A - Purification and regeneration of platinum catalysts : en
  • US1980865A - Hedge trimmer : en
  • US1980501A - Window regulator : en
  • US1980967A - Nail driving device : en
  • CH173228A - Process for packing rolls of sewing thread and other items. : de en
  • CH173157A - Compression refrigeration machine. : de en
  • AU1504533A - Improvements in separating solid particles : en
  • USD93852S - Design fob a cabinet fob phono : en
  • CA345886A - Gas burner control : en fr
  • DK49508C - Device for Providing Luminous Letters, Figures or the Like. : da en
  • US1980306A - Mixed cellulose esters : en
  • USD93823S - Design fob a game board : en
  • CH173175A - Arrangement for the operation of converters. : de en
  • FR773272A - Seaplane-parachute : en fr
  • CH173224A - Holder for holding devices which are provided with a stick-shaped organ. : de en
  • GB419569A - Improved means for minimising or nullifying window reflections : en
  • CA345929A - Milking device : en fr
  • ES135677A3 - A process for making foam or cellular structure rubber or the like materials. : en es
  • CH173273A - Process for the preparation of a dye of the gallocyanin series. : de en
  • US1980165A - Power transmission system : en
  • US1980412A - Wheel : en
  • CH173205A - Device in telephone systems for registering characters which are given by means of pulse generators. : de en
  • US1980540A - Method of making trolley shoes : en
  • FR773135A - Improvements to reinforced concrete floors partially made of ceramic elements : en fr
  • US1980478A - Fluid pressure control mechanism : en
  • DE605757C - Moving grate with mechanical ash return for flame tube boiler : de en
  • CA345953A - Coated aluminium piston : en fr
  • US1980268A - Manufacture of shaped objects from cellulose derivatives : en
  • US1980705A - Intermediate course hemstitching and sewing machine attachments for producing the same : en
  • US1980740A - Mold for the manufacture of threepocket ice cream cones : en
  • NL34116C - : en
  • US1980333A - Pressure die-casting machine with device for uniformly controlling the movable partsby means of gaseous and hydraulic pressure media : en
  • US1980538A - beta.gammar-hydroxypropyloxyalkylamino benzenes and the gammar-alkylesters thereof : en
  • US1980684A - Hand bag : en
  • US1980545A - Container structure : en
  • USD93839S - Design for marzipan candy : en
  • US1980471A - Circuit interrupter : en
  • US1980512A - Vehicle brake : en
  • US1980888A - Piezo-electric transmitter and recorder : en
  • DE605483C - Device for securing vehicles equipped with a handlebar against unauthorized use or theft : de en
  • DE605570C - Arrangement for controlling alternating current machines working in parallel : de en
  • DE605621C - Buckle straps connected by a hinge : de en
  • GB420153A - Improvements in or relating to tables, more particularly tables for draughtsmen's use : en
  • US1980757A - Clutch : en
  • US1980886A - Device indicating the flying attitude of aircraft : en
  • US1980671A - Car door construction : en
  • CA346033A - Lubricant : en fr
  • CA346039A - Shoe sole pressing machine : en fr
  • DE605622C - Drive device for vehicles : de en
  • ES135662A3 - Procedure for the dehydration and purification of ethyl alcohol. : en es
  • ES3114U - Camera for cars. (Machine-translation by Google Translate, not legally binding) : en es
  • GB420142A - Improved process for colouring carpet fabrics : en
  • CH173158A - Cooling device for storing goods and keeping them fresh. : de en
  • US1980850A - Storage apparatus : en
  • US1980936A - Electron discharge tube : en
  • ES3067U - Table for the service of hotels, hospitals and individuals. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773330A - Liquid transmission with mechanical friction coupling between the driving part and the driven part : en fr
  • FR773376A - Device allowing the automatic development of a map or a road itinerary : en fr
  • US1980252A - Rake : en
  • US1980904A - Drawn and dressed poultry or fowl : en
  • US1980948A - Portable electric lighting outfit : en
  • US1980301A - Oil heater : en
  • US1980619A - Holder for paper rolls : en
  • DE605674C - Machine for automatic cleaning and piching of barrels : de en
  • CH173047A - Edge burning machine. : de en
  • US1980309A - Coated fabric and method of making same : en
  • US1980866A - Wall covering : en
  • ES135687A3 - A procedure for digesting coarse substances left on screens in waste treatment. : en es
  • US1980226A - Latex flowing machine : en
  • US1980469A - Device for controlling the action of a fluid : en
  • ES135381A1 - A wet feed manufacturing process. : en es
  • AU1322933A - Improvements in or relating tothe production of play balls : en
  • DE605776C - Slatted crate with foldable side walls : de en
  • ES2962U - New constructive game. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419391A - Improvements in or relating to the electro-deposition of metals : en
  • ES134999A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • AU1512333A - Improvements in or relating to stabilized resistance elements : en
  • DE605791C - Detonator : de en
  • US1980754A - Insect trap : en
  • CA346003A - Fluid distributing apparatus for contact masses : en fr
  • FR773246A - Process for manufacturing very fatty soaps, shaving creams and similar products : en fr
  • FR773291A - Apparatus for the representation of chronologically parallel and consecutive historical events : en fr
  • FR773410A - Arrangements in centrifugal separators for the treatment of liquids containing sludge : en fr
  • GB419623A - Improvements in or relating to mirror drums for television apparatus : en
  • GB419644A - Improvements in holders for toilet paper and like rolls : en
  • DE605357C - Device for packing objects of any shape in any packing material, in particular in viscose skin : de en
  • DE605512C - Fixed electrical sleeper screw driving machine suspended in a universal joint for connection to a three-phase network : de en
  • US1980551A - Folding chair : en
  • US1980488A - Socket extension adapter : en
  • DE605524C - Method for starting a group of partly asynchronous electric motors, partly consisting of synchronous electric motors for the simultaneous operation of associated machines : de en
  • GB419510A - Improvements in or relating to fuel injection pumps for internal combustion engines : en
  • ES135617A1 - A procedure for the packaging of paprika. : en es
  • US1980320A - Cable : en
  • US1980452A - Fishing method and apparatus : en
  • US1980539A - Azo dye : en
  • DE605678C - Self-collecting cash deposit device : de en
  • DK49507C - Wooden slatted window. : da en
  • DE605766C - Device for illuminating microscopic objects with incident light : de en
  • FI16180A - For the purposes of the proposal for a regulation of the industrial industry and the Community : en fi
  • ES135567A3 - Improvements in the manufacture of tips or nails. : en es
  • GB419717A - Floor bushing for central-heating pipes and the like : en
  • FI16192A - Lock : en fi
  • GB419731A - Improvements in thermionic valves and valve circuits : en
  • US1980470A - Cultivator : en
  • ES135479A1 - PROCEDURE FOR THE PRODUCTION OF ASPHALT-FREE OILS : en es
  • FR773243A - Compressor for refrigeration machine with vacuum starting device : en fr
  • FR773154A - Advanced mold for agglomerates, cement or other : en fr
  • FR773329A - : fr
  • DE605611C - Walking stick fishing rod : de en
  • FR773319A - Removable camping bed : en fr
  • GB419473A - A moving-figure model in imitation of a golfer, croquet player or the like : en
  • US1980494A - Signaling and recording system : en
  • USD93840S - Design for a combination necktie : en
  • US1980742A - Pipe casting apparatus : en
  • DE605696C - Round fire protection for electrical machines : de en
  • DE605702C - Device to protect against falling out of the hatch of a storage facility with an external elevator : de en
  • ES135449A3 - A procedure for insulating electrical conductors. : en es
  • FR773284A - Improvements in mechanisms allowing the transmission, with amplification, of very low amplitude movements : en fr
  • FR773192A - Automotive Suspension Improvements : en fr
  • US1980270A - Process for manufacturing hollow building plates from ceramic material : en
  • FI16193A - Rakapparat : en fi
  • GB419713A - An improved portable washing and toilet cabinet : en
  • FR773286A - Guiding device for cutting machines or others : en fr
  • CA345940A - Vehicle door locking device : en fr
  • US1980257A - Beet sugar making : en
  • CH173076A - Insert sheet for card files. : de en
  • CH173162A - Multi-pole synchronous small motor. : de en
  • FR773392A - Device for fixing clichés or the like on printing press drums : en fr
  • GB419429A - Improvements in or relating to safety devices for gas burners : en
  • GB419648A - Improvements in or relating to lubricating devices : en
  • FI16155A - Anordning vid eldstäder : en fi
  • US1980526A - Necktie holder and presser : en
  • GB419377A - Making bearings : en
  • ES3080U - Protective device for skin lesions or conditions. (Machine-translation by Google Translate, not legally binding) : en es
  • FI16191A - Grinding wheel attachment for sewing machine : en fi
  • FR773414A - Process for preventing deterioration of rubber or rubber-based compositions and products obtained by said process : en fr
  • AU1746034A - Hand operated postal machine : en
  • CA346007A - Power lift mechanism : en fr
  • CH173293A - Process for the preparation of a cyanine dye. : de en
  • DE605735C - Device for manufacturing a container by folding the cover sheets around a mandrel : de en
  • FR773393A - Device for the automatic guiding of fabrics, generally applicable to all machines in which fabrics are fed in the width direction : en fr
  • CH173298A - Diaphragm safety valve. : de en
  • CA345956A - Photographic emulsion : en fr
  • CH173230A - Lid opener on tin cans with insert lids. : de en
  • DE605495C - Device for carrying out the method for packaging mirror-image cigarettes with a seam on the side of the edge : de en
  • USD93837S - Design for a kitchen cabinet : en
  • CH173250A - Device for automatically stopping rail vehicles. : de en
  • CH173282A - Process for the preparation of a dye of the gallocyanin series. : de en
  • US1980787A - Vehicle structure : en
  • FR773195A - Hot-liquefying bituminous lining plate : en fr
  • FR773156A - Calendar block and method for its manufacture : en fr
  • FR773198A - Thruster for ships and planes : en fr
  • GB419683A - Improvements in electric vibrators, more particularly vibrators for sound recording : en
  • GB419365A - Improved automatic catch for fastening and releasing gates or doors : en
  • GB419468A - Improvements in garments : en
  • DE605649C - Overflow storage tank for domestic hot water supply systems with any number of taps : de en
  • DE605663C - Method and device for maintaining the lift force of aircraft wings and other transverse propulsion bodies when the critical angle of attack is exceeded : de en
  • US1980323A - Steering wheel signal operating switch : en
  • US1980686A - Railway brake : en
  • CH173020A - Protective device for clothes. : en fr
  • CH173206A - Number setting device. : de en
  • US1980766A - Intermittent cycling switch for electrical circuits : en
  • US1980971A - Method for synthesis of vitamin d : en
  • ES3054U - Receptor postal. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773351A - Process for manufacturing centrifuged cast iron tubes with a soft surface layer : en fr
  • US1980175A - Telephone system : en
  • CH173075A - Reinforcement and perforation device for documents or the like. : de en
  • CH173124A - Process for the production of welded pipes. : de en
  • CH173137A - Electric pocket lighter. : de en
  • IE13189L - Primary batteries : en
  • FR773361A - Siphoid valve for cellar sanitation : en fr
  • FR773280A - Bra : en fr
  • US1980367A - Modification of the physical properties of resins : en
  • US1980422A - Plotting board : en
  • US1980892A - Machine for timing time fuses for artillery projectiles : en
  • FR773238A - Production of o-amido-azo dyes : en fr
  • ES135313A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • FI16174A - Anordning vid potatisupptagninsmaskiner : en fi
  • FR773262A - Truck crane : en fr
  • GB419554A - A new or improved device for receiving and extinguishing the ends of cigarettes : en
  • US1980339A - Manifolding : en
  • FR773160A - Improvements to metal box springs : en fr
  • FR773317A - Double elastic clip for all uses : en fr
  • GB419382A - Improvements in or relating to machines for stemming tobacco leaves : en
  • DE605701C - Siphon for emptying thermal baths : de en
  • ES3038U - Rolling metal blind. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773146A - Improvements to photographic frames for thin plates : en fr
  • US1980230A - Elevator : en
  • GB419503A - Improvements in connection with windscreens for motor vehicles : en
  • FR773203A - Electrical cable lug : en fr
  • GB419685A - Improvements in optical projection apparatus : en
  • FR773110A - Mobile cartridge lighter : en fr
  • FR773143A - Tent groundsheet constituting an air mattress : en fr
  • DE605574C - Steep view card index with horizontally staggered cards on flat card entries in a stand : de en
  • FI16187A - Anordning för impregnering av porösa plattor : en fi
  • CA346024A - Valve : en fr
  • CH173039A - Lighting stand for Schaffhausen hand knitting machines. : de en
  • CA345968A - Circuit breaker : en fr
  • CH173095A - Skis with protective strips and method of making the same. : de en
  • US1980675A - Method and means for preventing heater-cathode leakage in a radio tube : en
  • CH173142A - Device for mounting a part on an axis. : en fr
  • US1980277A - Motor-driven vehicle : en
  • US1980327A - Back-up valve device : en
  • US1980383A - Cooking utensil : en
  • US1980432A - Granular material : en
  • US1980326A - Molding material and molded articles and method of making the same : en
  • US1980727A - Chemical container : en
  • US1980591A - Safety valve installation for steam generators : en
  • NL63997B - : en
  • US1980164A - Drum welding machine : en
  • US1980822A - Checkwriter : en
  • US1980969A - Method of inking printing forms : en
  • CA345907A - Air pump : en fr
  • CH173027A - Thermos. : de en
  • CH173211A - Interference protection device on radio reception systems. : de en
  • US1980304A - Meat cutting machine : en
  • US1980418A - Stem : en
  • DE605561C - Road traffic signal : de en
  • US1980353A - Summary sheet feed for autographic registers : en
  • US1980382A - Shock absorber : en
  • CH173218A - Road sign device. : en fr
  • ES135100A1 - A procedure to influence the moisture content of atmospheric air. : en es
  • ES135281A3 - A method of manufacturing a steel chip fabric. : en es
  • FR773386A - Process and apparatus for the production of protective gases or intended for enveloping products in treatment, for the heat treatment of metals : en fr
  • FI16186A - Förfaringssätt och anordning vid framställning av Cellulosa eller slipmassa i arkform : en fi
  • US1980237A - Worm gearing : en
  • US1980665A - Illuminated sign : en
  • USD93855S - Design fob a recording instrument : en
  • GB419551A - Improvements in silencers particularly for steam escaping from safety valves : en
  • FR773131A - Improvements to vehicle wheels : en fr
  • FR773356A - Semi-automatic game : en fr
  • GB419681A - Improvements in devices for feeding glass-making materials to melting tanks or furnaces : en
  • DE605719C - Light shaft for viewfinder on photographic apparatus : de en
  • GB419501A - Apparatus for the formation of a tobacco rod for continuous rod cigarette making machines : en
  • US1980392A - Slitting machine : en
  • US1980567A - Apparatus and process for the manufacture of pneumatic tires : en
  • US1980834A - Method of making a propeller : en
  • CA345918A - Leather substitute manufacture : en fr
  • ES134005A3 - Improvements in the construction of cartridges for blasting. : en es
  • DE605709C - Self-collecting sales device with rotating body : de en
  • DE605606C - System for the mechanical assembly of spring clips : de en
  • US1980258A - Moisture resistant varnish : en
  • US1980759A - Tongs : en
  • CA345900A - Stencil duplicating machine : en fr
  • GB419621A - Improvements in or relating to alloy steels, particularly for colddrawing dies : en
  • US1980566A - Container : en
  • US1980880A - Multifocal lens : en
  • US1980219A - Pressure release for sand testing tools : en
  • US1980901A - Resolution of mixtures of phenols into their components : en
  • FR773121A - Advanced front end for agricultural and other machinery : en fr
  • US1980767A - Brassiere : en
  • FI16196A - Förfaringssätt för avlägsnande av spänningar ur färdiga rep och anordning för utförande av detsamma : en fi
  • DE605484C - Procedure for applying distemper paints on old oil paint : de en
  • US1980217A - Light gauging apparatus : en
  • US1980712A - Hydraulic coal cleaner and grader : en
  • USD93821S - Design for a bottle : en
  • DE605725C - Process for softening dried cellulose derivative putty on workpieces, e.g. B. shoe parts to be cemented together, and solvent for practicing the method : de en
  • DE605475C - Jaw crusher : de en
  • US1980714A - Traveling bag : en
  • US1980864A - Metal sash protection : en
  • FI16158A - Luftbefuktningsapparat : en fi
  • GB419435A - Improved process for making hardenable plastic masses : en
  • CA345997A - Automobile bumper : en fr
  • CH173163A - Composite tubular mast. : de en
  • CH173274A - Process for the preparation of a dye of the gallocyanin series. : de en
  • US1980922A - Shaper : en
  • FR773289A - Air capture device for various uses on board airplanes : en fr
  • FR773344A - Cutting process in the cutting of veins with hydraulic backfilling : en fr
  • FR773382A - Comparator and measuring device for vehicle braking : en fr
  • ES3111U - Flexible metal tube system perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773261A - Wallet : en fr
  • FR773385A - Control device for packaging machines : en fr
  • US1980415A - Magnetic compass : en
  • GB419671A - Improvements in or relating to wobble-plate mechanism : en
  • DK49504C - Apparatus for the production of Glare gratings for X-rays. : da en
  • CH173268A - Process for the preparation of a dye of the gallocyanin series. : de en
  • US1980298A - Vehicle transport : en
  • FR773312A - Explosion tool : en fr
  • GB419356A - Improvements in and relating to display devices : en
  • GB419694A - Improved method and apparatus for controlling excessive movements in sprung bodies on motor driven road vehicles : en
  • US1980761A - Flow meter : en
  • FR773226A - Impermeable plastic material for floor, pavement and other coverings, capable of being colored in any desired shade : en fr
  • GB420144A - Method for the production of foam, for fire-extinguishing purposes : en
  • CH173001A - Connection of metal parts. : de en
  • DE605481C - Spindle steering for motor vehicles : de en
  • GB419542A - Customer's call indicator for use in tea rooms and similar places : en
  • FR773357A - Rotating paddle wheel airplane : en fr
  • GB419470A - Improvements in circular looms : en
  • GB419638A - Improvements in and relating to spacebands for matrix composing and type line casting machines : en
  • GB420139A - Process for the production of saponaceous pastes, salves, creams or the like : en
  • DE605490C - Bag holder for baling presses : de en
  • DE605704C - Composite component with a concrete pressure plate and shaped iron beams supporting this : de en
  • ES3045U - Sliding adjuster for garments (Machine-translation by Google Translate, not legally binding) : en es
  • FI16159A - Badanordning : en fi
  • GB419489A - Improvements in or relating to harness for dogs or other animals : en
  • ES3082U - New sucker (Machine-translation by Google Translate, not legally binding) : en es
  • FR773396A - Manufacturing process of artificial leather or regenerated leather : en fr
  • ES135448A1 - Manufacturing process of fiber insulated conductors. : en es
  • US1980296A - Warning signal : en
  • GB419592A - Improvements in or relating to electric cable systems : en
  • DE605578C - Fluid level indicator with a U-shaped tube containing mercury in the lower part as a measuring tube : de en
  • DE605784C - Water heater with oil firing : de en
  • DE605792C - Cover sheet carrier for cigar machines : de en
  • US1980194A - Thermostatically controlled signal : en
  • US1980932A - Glass-grinding machine : en
  • US1980780A - Chassis lubrication : en
  • US1980858A - Rotary steam engine : en
  • AU160953B2 - Improved reversing gear : en
  • DE605658C - Device for the demonstration of exchangeable advertising displays combined into a non-tear-proof illustrated book : de en
  • US1980251A - Artificial taper : en
  • USD93856S - Design for a hinge for screen doors : en
  • US1980322A - Fluid pressure brake : en
  • US1980797A - Change speed system : en
  • US1980889A - Heat insulating material : en
  • CH173272A - Process for the preparation of a dye of the gallocyanin series. : de en
  • US1980342A - Sulphonated oils, fats or acids thereof and the process of manufacturing the same : en
  • DE605748C - Thin sheets made from Thomasstahl : de en
  • ES3051U - Pillow bag (Machine-translation by Google Translate, not legally binding) : en es
  • CH172981A - Cow tail holder. : de en
  • US1980534A - Gas arc lamp : en
  • DE605698C - Device for monitoring the operational readiness of an arrangement equipped with one or more electron tubes : de en
  • ES135669A1 - Retaining mechanism for mobile gun-slide guns and independent closing. : en es
  • FR773266A - Method and device for feeding coal stoves : en fr
  • CA346028A - Cement material processing : en fr
  • CA345985A - Electronic amplifier valve : en fr
  • CH173072A - Method of manufacturing an artificial mass. : en fr
  • US1980485A - Condenser : en
  • US1980923A - Method of and apparatus for coating paper : en
  • US1980254A - Combined windshield wiper and heater : en
  • NL34123C - : en
  • US1980804A - Thermionic tube : en
  • US1980337A - Impeller mounting : en
  • US1980559A - Vehicle body construction : en
  • US1980790A - Operating mechanism for clutches : en
  • CA346020A - Doll : en fr
  • CA346035A - Display card : en fr
  • CH172993A - Hydraulic float weir. : de en
  • US1980771A - Slack adjuster : en
  • US1980620A - Cotton tie buckle : en
  • US1980288A - Cylinder ridge reamer : en
  • US1980719A - Heating element for electric cooking and heating apparatus : en
  • US1980736A - Electroresponsive device and apparatus : en
  • CA346002A - Fluid distributing apparatus for contact masses : en fr
  • CA346038A - Buffing tool : en fr
  • CH173007A - Continuous vertical distillation furnace. : en fr
  • ES135598A1 - A new system for the extraction of olive oils. : en es
  • FR773315A - Navigation instrument for determining course elements and aircraft position : en fr
  • CH173139A - Cap screw. : de en
  • DE605690C - Procedure for the approximate measurement of cooling capacities : de en
  • FR773405A - Universal lid for saucepans : en fr
  • GB419496A - Process for the production of plastic-elastic compositions : en
  • DE605653C - Pivot storage : de en
  • US1980188A - Printing machine : en
  • US1980397A - Sectional building : en
  • CA346048A - Sterilization : en fr
  • CH173066A - Process for the production of a new dye of the anthraquinone series. : de en
  • DE605793C - Machine for making pipes from fibrous materials and hydraulic cement : de en
  • US1980774A - Manufacture of goods of or containing rubber or the like : en
  • DE605236C - Foam generators, in particular for fire extinguishing purposes : de en
  • DE605618C - Route markings for the orientation of airships : de en
  • DE605608C - Parallel guidance, especially for the vibrating mass of an accelerometer : de en
  • US1980271A - Exchangeable heel tap : en
  • DE605593C - Electric lighting system with incandescent cathode discharge lamps : de en
  • CH173069A - Means for washing and polishing. : de en
  • CH173134A - Spring wire clip. : de en
  • CH173271A - Process for the preparation of a dye of the gallocyanin series. : de en
  • US1980259A - Directional control device : en
  • FR773201A - : fr
  • GB419387A - Improvements in or relating to fertilizers : en
  • CH172987A - Device for cutting roof tiles. : de en
  • CH173249A - Automatic readjusting device for vehicle brakes, in particular railway car brakes. : de en
  • FR773304A - Fruit press cage : en fr
  • US1980732A - Compensating device in measuring apparatus : en
  • US1980424A - Water heater : en
  • US1980550A - Automobile : en
  • US1980842A - Radio receiving set : en
  • US1980329A - Brake shoe clearance adjuster : en
  • US1980338A - Purification and bleaching of waxes : en
  • CA345999A - Air impelling device : en fr
  • DE605533C - Soot separator for chimneys : de en
  • US1980467A - Stoker : en
  • DE605183C - Hydraulic drive of the slide of a grinding and fluting machine : de en
  • DE605684C - Process for coloring hair, fur and feathers : de en
  • ES3030U - Parachute atalaje (Machine-translation by Google Translate, not legally binding) : en es
  • CA346034A - Box making machine : en fr
  • CH173112A - Method for the mechanical production of a vibration record. : de en
  • US1980524A - Defroster switch : en
  • US1980900A - Building construction : en
  • US1980871A - Method of and machine for combining box parts : en
  • US1980239A - Plant support for greenhouse benches : en
  • US1980557A - Garment hanger : en
  • US1980587A - Compositor's copy rack : en
  • CA345912A - Sander for road vehicles : en fr
  • CH173260A - Process for the preparation of an agent for increasing the capillary activity of liquids. : de en
  • GB419564A - Improvements relating to electric relays : en
  • US1980449A - Fluid fuel burner : en
  • GB419715A - Improvements in and connected with the control of electrically ignited gas burners : en
  • CH173284A - Process for the preparation of a sulfuric acid ester. : de en
  • NL34101C - : en
  • DE605672C - Grinding wheel with recesses to hold grinding bodies : de en
  • FR773205A - Light signal : en fr
  • ES135660A1 - A progressive gear change system. : en es
  • US1980944A - Card holder for railway equipment : en
  • ES3079U - Panoramic mirror. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419469A - Improvements in and relating to the coating of objects made of zinc or covered with zinc : en
  • CH173029A - Device for dispensing and conveying liquids in the production of shaped structures, in particular synthetic threads. : de en
  • FR773297A - Fuel pump for internal combustion engines with mechanical fuel injection : en fr
  • GB419725A - Improvements in or relating to refrigeration : en
  • DE605785C - Process for impregnating thick and dense fibrous material articles with rubber milk : de en
  • DK49502C - Automatic Fire Alarm System. : da en
  • ES3042U - Calendar-clock. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773274A - New remote control system : en fr
  • DE605502C - Ventilation device for motors of electric vehicles : de en
  • ES3077U - Shock and traction device applicable to all types of rail vehicles. (Machine-translation by Google Translate, not legally binding) : en es
  • US1980292A - Method and apparatus for producing musical sounds : en
  • US1980290A - Toy weapon : en
  • GB419590A - Improvements in or relating to automatic vehicle couplings : en
  • GB419622A - Improvements in or relating to electrical condensers : en
  • US1980782A - Material handling system : en
  • US1980516A - Bed : en
  • USD93808S - Design fob a shoe : en
  • USD93859S - Design fob a can opener : en
  • ES3064U - Necks, cuffs, shirts for shirts and similar articles of permanent press (Machine-translation by Google Translate, not legally binding) : en es
  • US1980356A - Hydraulically operated machine : en
  • US1980867A - Amusement car : en
  • US1980246A - Airplane sky sled : en
  • DE605563C - Method and device for granulating blast furnace slag : de en
  • DE605762C - Process for the manufacture of drive belts from fabric layers impregnated with rubber milk : de en
  • US1980402A - Ink roller : en
  • US1980875A - Electric induction furnace : en
  • DE605493C - Device for packaging cartridge strips that are narrowed on one side and similar objects : de en
  • DE605627C - Device for monitoring combustion processes, especially in steam boiler systems : de en
  • FR773346A - Car parking lights mounting : en fr
  • GB419643A - Improvements in processes for sensitising the colloids employed in processes for photo-mechanical reproduction : en
  • US1980169A - Aircraft sustaining rotor construction : en
  • US1980814A - Compressor plant : en
  • US1980173A - Apparatus for manufacturing tubular members : en
  • US1980653A - Upsetting mechanism : en
  • US1980401A - Method of fusing bifocal buttons : en
  • US1980440A - Feed for automatic machine tools : en
  • US1980403A - Surfacing tool : en
  • US1980926A - Remote revolution indicating and recording apparatus : en
  • GB419558A - Improvements in or relating to folding mechanism more particularly for printing machines : en
  • GB419686A - Improvements in swimming suits : en
  • CH173202A - Battery operated cash dispenser. : en fr
  • US1980416A - Bottle container or holder : en
  • US1980262A - Transmission gearing : en
  • US1980336A - Chuck retaining means : en
  • USD93832S - Design fok a shoe : en
  • DE605588C - Method for producing a telecommunication cable with a distributed inductive load : de en
  • FR773133A - Improvement in bicycles : en fr
  • FR773443A - Rocket : en fr
  • FR773237A - Method and apparatus for drawing glass tubes : en fr
  • GB419482A - Improvements in or relating to the production of play balls : en
  • CA345922A - Furniture : en fr
  • US1980168A - Work guide : en
  • US1980579A - Calculating machine : en
  • US1980784A - Elastic fluid generator : en
  • CA346043A - Solvent manufacture : en fr
  • DE605416C - Drive device for the control starter of small motors, especially in sewing machines : de en
  • FR773273A - Cigarette paper and its manufacturing process : en fr
  • DE605787C - Self-seller for gas or the like with basic fee facility : de en
  • FR773196A - Device for stopping operating machines controlled by leonard generators : en fr
  • US1980233A - Airplane : en
  • US1980861A - Exercising apparatus : en
  • DE605596C - Process for the preparation of dyes of the anthraquinone series : de en
  • DE605643C - Dirt repellent seal for axle bushings of rail vehicles : de en
  • DE605644C - Carburetor burners for liquid fuels : de en
  • DE605537C - Bottom closure for shaft conveyor vessels : de en
  • US1980970A - Laminated glass : en
  • US1980234A - Apparatus for the production of artificial threads of like products : en
  • US1980561A - Welded joint : en
  • ES135690A3 - A method of making rubber sheet with tricot or knit surfaces or fabrics of natural or artificial thread, cotton or silk. : en es
  • CH173114A - Watch movement. : en fr
  • CH173148A - Gyroscope. : de en
  • US1980464A - Paint spraying apparatus : en
  • US1980355A - Engine starter control : en
  • US1980593A - Razor blade drier : en
  • US1980879A - Paper roll stand : en
  • US1980369A - Heel seat fitting machine : en
  • US1980609A - Adjustable nose iron for weighing scales : en
  • US1980715A - Receptacle : en
  • US1980883A - Device for measuring the lengths of fibers or filaments : en
  • CA345924A - Floor wax applicator : en fr
  • NL33943C - X-ray installation for taking X-ray light images and photographic images : en nl
  • US1980189A - Treatment of hydrocarbon oils : en
  • US1980869A - Aircraft construction : en
  • CA345991A - Tire : en fr
  • CA346056A - Magnetic material in powdered form : en fr
  • CA345885A - Deodorant : en fr
  • US1980799A - Control system : en
  • GB419548A - Improvements relating to the cooling of dynamo electric machines : en
  • DE605504C - Machine for profiling unvulcanized rubber soles : de en
  • ES135621A2 - A REFRIGERATOR APPLIANCE INTENDED FOR STORAGE, CONSERVATION AND REFRIGERATION OF FOODS, OF MATERIALS THAT MAY BE DROPPED AND SIMILAR : en es
  • FR773434A - Process for making artificial leather or regenerated leather : en fr
  • ES135614A3 - A plunger for self-lubricating segment machines. : en es
  • FI16199A - Sät att torka eller på annat liknande sätt behandla material, isynnerhet trä, samt härtill använda apparater : en fi
  • GB419629A - Improvements in or relating to porous fibrous products and method of making same : en
  • GB419822A - Improvements in electrical control systems for the control of electric circuits : en
  • FR773450A - Process for preventing the deterioration of certain organic substances : en fr
  • GB419495A - Improvements in or relating to safety razors : en
  • GB419630A - Improvements in and relating to automatically reclosing circuitbreaker systems for use on electric railways : en
  • ES135643A1 - An automatic alarm warning. : en es
  • NL34074C - : en
  • DE605412C - Cooling device for two- or four-stroke internal combustion engines, mainly of vehicles : de en
  • AU1508033A - Improvements in or relating to thermionic amplifiers : en
  • CH173299A - Process for the preparation of an organic bismuth compound. : de en
  • ES135688A1 - A procedure to make longitudinal seams welded. : en es
  • US1980167A - Changeover mechanism for motion picture machines : en
  • US1980386A - Means for mounting printing surfaces : en
  • US1980223A - Light valve for translation of sound effects : en
  • ES3048U - A wooden box of special construction (Machine-translation by Google Translate, not legally binding) : en es
  • US1980954A - Method of making cellular clay products : en
  • CA346004A - Container : en fr
  • CH173089A - Device on film spools for fixing the film. : de en
  • CH173133A - Safety razor. : de en
  • FR773388A - Improvements to the clamping mechanisms of printing plates, copy boxes, etc. : en fr
  • FR773408A - Perfected gauge : en fr
  • FR773433A - Electric game machine operated by prepayment : en fr
  • NL34089C - : en
  • CH173184A - Reflector. : de en
  • DE605546C - Self-seller for electricity with basic fee collection device : de en
  • FR773235A - Adjustment and safety device applicable to a prime mover provided with an oil pressure adjustment system : en fr
  • GB419516A - Improvements relating to apparatus for treating water : en
  • US1980310A - Thermostatically-controlled fluid mixing unit : en
  • US1980361A - Apparatus for forming, filling, and closing containers : en
  • US1980564A - Joining rubber articles : en
  • DE605713C - Process for replenishing the water in fish tanks by means of oxygen passed through the water : de en
  • ES135058A1 - A procedure for the treatment of sewage water. : en es
  • FI16163A - Peeling planer : en fi
  • CH173215A - Device for remote display of non-electrical measured values. : de en
  • CA345935A - Guitar attachment : en fr
  • CA345943A - Beer clarification : en fr
  • CA345975A - Transformer : en fr
  • US1980896A - Process of clarifying chlorinated solutions : en
  • CA345951A - Elevating grader : en fr
  • CH173107A - Device for eliminating the rotating field dependency of multiphase instruments, in particular counters. : de en
  • DE577622C - Process for the production of a special beer : de en
  • DE605609C - Scale band for jewelry from similar individual links : de en
  • US1980747A - Cleaning cotton sweepings : en
  • CA345889A - Lubricating device : en fr
  • USD93858S - Design for a weighing scale : en
  • DE596081C - Process for applying uniformly thin photographic emulsion layers to transparent films or skin : de en
  • US1980656A - Transmission system : en
  • CA346057A - Vibration transmitting device : en fr
  • CH173208A - Method and device for the suppression of disruptive noises when receiving electrical waves. : de en
  • CH173037A - Thread cutting device, in particular for attachment to sewing machines for making carpets. : de en
  • CH173294A - Process for the preparation of a cyanine dye. : de en
  • CH173131A - Process for the production of an abrasive compound for coating of surfaces intended for sharpening razors and blades. : de en
  • CA346045A - Flexible joint : en fr
  • CH173048A - Drive device for free-swinging portafilter, in particular for semolina cleaning machines. : de en
  • ES3088U - Automatic closing cover for containers intended to contain garbage or similar materials (Machine-translation by Google Translate, not legally binding) : en es
  • FR773206A - Window mounting system, in particular for automobiles : en fr
  • GB419599A - Improvements in the manufacture and production of azo dyestuffs : en
  • US1980544A - Thread brake for shuttles, particularly of shuttle embroidering machines : en
  • CA345923A - Box wrapping apparatus : en fr
  • CH173209A - Oscillator modulator. : de en
  • CH173106A - Automatic firearm. : en fr
  • US1980275A - Window construction : en
  • US1980393A - Alternating current electromagnet : en
  • CA346069A - Train pipe connector : en fr
  • GB419474A - Improvements in or relating to boat raising, lowering, engaging and disengaging gear : en
  • GB419585A - Improved process for ripening alkali cellulose : en
  • CA345964A - Photo-electric tube : en fr
  • CH172980A - Self-closing feeder for small animal stalls. : de en
  • GB419701A - Improvements relating to the projection of multi-colour images from lenticular films : en
  • ES135661A3 - A warping machine. : en es
  • DE605544C - Portable box-shaped container for issuing entry, travel or other control cards : de en
  • CH172991A - Splitting winch, especially for shuttering construction pits. : de en
  • CH173225A - Padding for shoulder straps. : de en
  • FR773279A - Process for the production of porcelain crown envelopes : en fr
  • GB419942A - Textile assistants : en
  • US1980961A - Method of coating iron or steel sheets with a protective metallic coating : en
  • FR773268A - Sensitive electrical control : en fr
  • DE605478C - dare : de en
  • FR773365A - Vacuum pump : en fr
  • FR773444A - Sowing machine for fur felts : en fr
  • FR773380A - Process for the production of primary or secondary cellulose ester solutions : en fr
  • FR773445A - Vacuum warning device with rubber diaphragm for automobiles and motorcycles : en fr
  • AU1739234A - Improvements relating togas fires : en
  • DE605765C - Device to prevent dust from escaping from automatic filling scales : de en
  • GB419413A - Improvements in combined barrel taps and filters : en
  • FR773401A - Improvements to coolers and the like : en fr
  • GB419416A - Machine for cleaning and brushing the moulds used in the manufacture of cheese : en
  • GB419647A - Improvements in or relating to apparatus for the electrical precipitation of suspended particles from gaseous fluids : en
  • GB419689A - Improvements in and relating to sleeping bags : en
  • ES135600A2 - A LIGHTING INSTALLATION : en es
  • GB419422A - Improvements in or relating to steering gear for trailer vehicles : en
  • CA345902A - Front axle : en fr
  • DK49528C - Preset for Agricultural machines, especially Seed machines and Fertilizer spreaders. : da en
  • DE605503C - Subsynchronous braking circuit for induction machines with multi-axis winding and single-phase mains connection of the primary part : de en
  • DK49523C - Protective device for a special Wood cutting specific Circular saw. : da en
  • DE605730C - Device for collecting toy balls : de en
  • FR773187A - Fixed jack for automotive car : en fr
  • CH173042A - Preparation for printing on acetate rayon. : de en
  • CH173234A - Shock absorber for vehicles. : en fr
  • DE605632C - Device for tensioning and loosening a driver for turning benches which automatically retensioning under the cutting pressure, also suitable for receiving non-round workpieces : de en
  • GB419631A - Improvements in and relating to incandescent electric lamps : en
  • US1980513A - Puzzle lock : en
  • GB419426A - An attachment for rolling mills : en
  • CH172997A - Apparatus for drilling wells and the like. : en fr
  • ES3050U - Compressed marble sink, lined internally with slate veneer or earthenware. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773431A - Braun tube with device direct supply from the network : en fr
  • DK49510C - Self-moving, rotating device for spreading sewage or similar liquids over a filter. : da en
  • DE605560C - Pencil sharpener with conical hole and adjustable stop : de en
  • DE605727C - Rifle lock with cock cocking lever : de en
  • DE605564C - Device for bundling briquettes : de en
  • GB419380A - Apparatus for removing back fins from fish : en
  • GB419553A - Improvements in and relating to means for preventing splashing of fats or the like in cooking stoves : en
  • GB419720A - Improvements in or relating to absorption refrigerating apparatus : en
  • DE605733C - Process for the production of sugar nitric acid esters : de en
  • GB419532A - Improvements in coin-freed mechanism : en
  • CA345942A - Vehicle wheel : en fr
  • ES3122U - A lid for canning boxes (Machine-translation by Google Translate, not legally binding) : en es
  • DK49520C - Bicycle support. : da en
  • GB419487A - An improved rust preventing composition and method of making the same : en
  • US1980204A - Hydrocarbon oil conversion : en
  • US1980265A - Antiskid device : en
  • US1980893A - Cable connecter for storage batteries : en
  • US1980927A - Bonding composition of solder and flux and art of making the same : en
  • GB419537A - Improvements relating to feeding means for film forming drums or cylinders : en
  • NL34041C - : en
  • DE605677C - Process for the production of valuable hydrocarbons : de en
  • ES135562A3 - A starting device for internal combustion engines. : en es
  • CH173004A - Bidet mixer. : de en
  • US1980906A - Metal tiling : en
  • US1980542A - Circuit controlling device for electric signs and the like : en
  • US1980640A - Drinking trough for animals : en
  • USD93824S - Design fob roofing : en
  • DE605430C - Lockable slide for zippers : de en
  • DE605642C - Spring winding mechanism : de en
  • FR773373A - Motorized, hand-operated mower with knives set in motion from the middle of the finger carrier : en fr
  • GB419462A - Improvements connected with winding crowns for watches : en
  • GB419636A - Improvements in perforating devices for printing machines : en
  • CA346046A - Thermostatic temperature regulating system : en fr
  • CH173182A - Device in electrical discharge vessels for holding electrodes. : de en
  • DE605630C - Procedure for determining the load-bearing capacity of a building ground : de en
  • GB419494A - Improvements in or relating to machines for making pipes : en
  • GB419576A - Improvements in a springing arrangement for the wheels of vehicles : en
  • FR773292A - Wheat separator for harvesters : en fr
  • ES135613A1 - A mounting with an electric discharge lamp filled with gas. : en es
  • GB419589A - Improvements in or relating to phonograph reproducer supports : en
  • ES2621Y - Torch for autogenous welding. : en es
  • DK49505C - Device for automatic regulation of steam heating systems, especially for railway carriages. : da en
  • US1980876A - Drum : en
  • CA345920A - Fluid motor : en fr
  • US1980919A - Reversible barb wire holder : en
  • ES3029U - Air parachute parachute loop (Machine-translation by Google Translate, not legally binding) : en es
  • FR773186A - Mountaineering shoe fitting : en fr
  • GB419549A - Improvements relating to spectacles or eye-glasses : en
  • CA345904A - Gas burner control : en fr
  • CH172979A - Motor sprayer, in particular for pest control. : de en
  • DE605447C - Process for the formation of the seat surfaces of double seat valves : de en
  • GB419507A - Process for producing cadmium : en
  • GB419385A - Improvements in memorandum appliances for the use more particularly of motorists : en
  • IE12836L - Heating apparatus for brooders. : en
  • FR773254A - Leather dyeing process : en fr
  • FR773328A - Removable rear axle for agricultural and wine tractors : en fr
  • US1980920A - Electric oven : en
  • US1980465A - Ice cube tongs : en
  • US1980627A - Heat exchange apparatus : en
  • GB419368A - Improvements in and relating to the production of metal casts from gelatine and likeheat-developable reliefs : en
  • GB419668A - Improvements in or relating to the preservation of eggs : en
  • GB419614A - Improvements in or relating to electric motor control systems : en
  • DE605515C - Trashing powerful, flat-lying camps with a broad view : de en
  • US1980398A - Vacuum producing apparatus : en
  • US1980555A - Process for treating oils with an alkaline sulphide : en
  • US1980349A - Pressure regulator for fluid pressure apparatus : en
  • US1980517A - Seed cleaner : en
  • US1980776A - Display box : en
  • CH173092A - Device for advancing leads inserted in cuttable lead carriers, such as pencils, pencils for cosmetic purposes or the like. : de en
  • GB419505A - Balanced support for fire arms : en
  • US1980873A - Electrolyzer and electric accumulator : en
  • CH173235A - Device on motor vehicles for actuating the wheel friction brakes and an overrunning clutch connected to the drive. : de en
  • US1980427A - Apparatus for use in controlling plant pests and plant diseases : en
  • CA345936A - Exerciser for pedal or manual extremities : en fr
  • CH173181A - Electric discharge tube with a cathode and at least one grid. : de en
  • CH173033A - Drive device for spindles of double-sided textile machines. : de en
  • US1980687A - Card index container for recipes : en
  • US1980823A - Coupling : en
  • CA345931A - Stove grate : en fr
  • US1980895A - Car : en
  • CA345988A - Ticket feeding and printing machine : en fr
  • CA346036A - Sheet stacking device : en fr
  • CH173297A - Jig boring machine with device for precise horizontal positioning of the crossbeam of the machine. : de en
  • CH173295A - Electric musical instrument capable of emitting the sounds of the organ. : en fr
  • GB419704A - Decorated articles and their manufacture : en
  • US1980495A - Valve : en
  • ES135667A3 - A procedure to obtain an artificial climate with suitable characteristics for curing and drying salami and other sausages. : en es
  • CA346026A - Ferrule for cable ends : en fr
  • CA346040A - Coating machine : en fr
  • CH173008A - Box cooker. : de en
  • FR773391A - Automatic doors for electric elevators : en fr
  • US1980182A - Spark plug porcelain : en
  • US1980363A - Method of making electrical conductors : en
  • FR773124A - Method and tools allowing the execution of elbows at 180 degrees : en fr
  • CA345958A - Paper towel manufacture : en fr
  • US1980522A - Apparatus for the treatment of gases : en
  • US1980655A - Hand grip : en
  • GB419624A - Improvements in or connected with ships for carrying perishable cargoes : en
  • FR773336A - Roller mill for pulp grinding with double grinding platen : en fr
  • CA346066A - Textile material : en fr
  • CH173015A - Door template, especially for running boards of motor vehicles, trams and railroad cars, etc. : de en
  • AU1416833A - Improved adjustable mounting device for the number plates and tail lights of motor vehicles : en
  • US1980817A - Case hardened alloy steels : en
  • FR773347A - construction elements and method and machine for their manufacture : en fr
  • CH173263A - Process for the preparation of a dye of the gallocyanin series. : de en
  • US1980630A - Bookbinder : en
  • US1980768A - Lubricated gate valve : en
  • DE605798C - Evaporator : de en
  • CH173022A - Heat storage device. : en fr
  • CH173219A - Metal covering for marking streets or squares, or for demarcating squares and the like. : de en
  • US1980845A - Collar pressing machine : en
  • US1980646A - Vehicle wheel hub cap : en
  • CA345961A - Streamlined aircraft body : en fr
  • NL34010C - : en
  • US1980621A - Sanitary sandal : en
  • CH173214A - Automatic fire alarm system. : de en
  • US1980769A - Range construction : en
  • AU1504833A - Process of deodorising and bleaching wood wool : en
  • CA345984A - Radio modulation system : en fr
  • FR773251A - Sophisticated rake bar device for swath rakes, windrows and tedders : en fr
  • FR773436A - Device for transmitting signals from moving vehicles and to such vehicles : en fr
  • FR773174A - New acid dyes and their preparation process : en fr
  • FR773231A - Process for preparing, pure or substantially pure, olefinic hydrocarbons (alkenes) containing at least five carbon atoms in the molecule : en fr
  • GB419369A - A method and a device for the treatment of the pulp upon the wire of paper-making and similar machines : en
  • CH173116A - Wristwatch box bezel. : en fr
  • US1980207A - Combination wrist watch : en
  • US1980221A - Brake lining compound and method of manufacturing it : en
  • US1980445A - Mattress : en
  • US1980741A - Piston and cylinder assembly : en
  • US1980775A - Excitation system for dynamoelectric machines : en
  • CA345895A - Lobster claw retaining device : en fr
  • US1980576A - Printing machine and method : en
  • US1980595A - Fire escape : en
  • ES2617Y - Special envelope for letters. : en es
  • US1980777A - Supporting means for conveyer belts : en
  • CH173079A - Printing machine for paper webs or the like. : de en
  • CH173036A - Loom. : en fr
  • DE605584C - Electrical adjusting device for signals, travel locks or the like. : de en
  • FI16170A - Apparatus for the continuous operation of the power supply : en fi
  • CH173123A - Coated welding rod, for arc welding. : en fr
  • DE605659C - Method and device for atomizing liquids, in particular for moistening paper or fabric webs : de en
  • ES3071U - Compass or dental prosthetic gauge. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419577A - Improvements in or relating to apparatus for treating grain or the like : en
  • CH173165A - Connection sleeve for wires. : de en
  • GB419518A - Improvements in the mounting of thermographs or recording thermometers as used in connection with apparatus for the pasteurization and sterilization of bottled liquids and foodstuffs : en
  • CH173252A - Device for the elastic fastening of an outboard motor unit on a boat. : de en
  • CH173267A - Process for the preparation of a dye of the gallocyanin series. : de en
  • US1980852A - Fence post extension arm : en
  • CH173243A - Internal hub brakes, in particular for bicycles. : de en
  • CH173264A - Process for the preparation of a dye of the gallocyanin series. : de en
  • US1980439A - Thermally controlled switch and the like : en
  • CH173223A - Billboard. : de en
  • CH173071A - Process for making consistent mineral oil preparations. : de en
  • US1980220A - Intermittent feed device : en
  • US1980291A - Barber chair or the like : en
  • US1980755A - Stoker : en
  • USD93841S - Design fob a smoking stand : en
  • US1980209A - Operating mechanism for knitting machines : en
  • USD93853S - Design fob a shoe : en
  • US1980225A - Brake shoe : en
  • USD93811S - Design for an automobile : en
  • US1980928A - Gate valve seat surfacing machinery : en
  • CA345965A - Electric regulator : en fr
  • CH173168A - Roller switch. : de en
  • DE605372C - Pocket tool : de en
  • FR773145A - Improvements to presses with hydraulic cylinders : en fr
  • AU1450033A - Improvements in or relating to permanent hair waving process and apparatus : en
  • CA346031A - Lubricant : en fr
  • CH173135A - Method for engraving in surfaces and device with carrying device for carrying out the same. : de en
  • FR773341A - Detachable leaf blocks : en fr
  • GB419400A - Improvements in or relating to clock operated electrical alarms : en
  • AU2306353A - Improved reversing gear : en
  • CH173081A - Apparatus for printing by means of perforated plates called "stencils". : en fr
  • DE605542C - Use of antimony-iron alloys : de en
  • CA345944A - Dust eliminator : en fr
  • CA345963A - Photo-electric tube : en fr
  • DE605543C - Control device for goods issuer : de en
  • CH172999A - Rail fastening for butt joints. : de en
  • US1980330A - Method and apparatus for heating and cracking oils : en
  • CH173146A - A centrifugal machine provided with a device for cleaning the impeller blades by means of at least one pressure medium jet. : de en
  • CA345967A - Electric switch : en fr
  • US1980357A - Spindle retainer : en
  • US1980752A - Regulator for milking machines : en
  • CH173169A - Electric switch. : en fr
  • US1980598A - Means for making floor coverings moth repellent : en
  • US1980181A - Automatic riveter : en
  • US1980162A - Pure 1-amino-2.3-dimethylanthraquinone and process of making same : en
  • US1980240A - Method of and apparatus for dry spinning : en
  • US1980819A - Vending machine : en
  • DE605637C - Attachment of transducers for pipe and extrusion presses : de en
  • CH173032A - Drive device for twisting machines. : de en
  • US1980663A - Wheel : en
  • US1980351A - Electric flash lamp : en
  • US1980429A - Coloration of materials made of or containing cellulose or cellulose derivatives : en
  • CH173103A - Unit mount for guns for field and air targets. : de en
  • DE605492C - Wrapping machine for wrapping several items in a common cover : de en
  • FR773379A - Internal combustion engine : en fr
  • US1980668A - Reenforcing bar for concrete : en
  • USD93828S - Design fob a window shade cord ring : en
  • CA346012A - Radio reception apparatus : en fr
  • CA345916A - Ornamental lining fabric : en fr
  • CH173159A - Device for the electrical heating of liquids, in particular milk. : de en
  • US1980205A - Furniture caster : en
  • US1980514A - Hydraulic press : en
  • CH173087A - Cinematographic apparatus. : en fr
  • CH173121A - Riveuse. : en fr
  • US1980413A - Insulating materials and method of preparing insulating materials : en
  • US1980597A - Collapsible egg box : en
  • US1980437A - Power transmission device : en
  • US1980523A - Road building machine : en
  • US1980743A - Oil fuel feed device : en
  • CA345906A - Dual valve control : en fr
  • CH172983A - Free-spanning, shear-proof, bend-proof and kink-proof, brick-built, reinforced supporting wall that can be produced without formwork. : de en
  • CA346065A - Engine starter : en fr
  • CH173292A - Process for the preparation of a cyanine dye. : de en
  • US1980250A - Basin waste plug and operating mechanism : en
  • US1980463A - Film-handling mechanism : en
  • DE605406C - Straight, flat protractor : de en
  • DE605670C - Cooling device for a dispenser : de en
  • US1980450A - Article of furniture of the folding type : en
  • CH173014A - Sieve device for coffee, milk and tea. : de en
  • CH173000A - Process for the manufacture of a road surface material. : de en
  • FR773448A - Process for the removal of sulfur, arsenic and the like harmful constituents : en fr
  • DE605722C - Signaling device, especially for motor vehicles, with a swing-out angle : de en
  • DE605610C - Device for degassing milk or similar liquids : de en
  • GB419363A - Improvements in or relating to machines for ornamenting boots or shoes : en
  • IE12912L - Volatising zinc : en
  • GB419440A - Improvements in or relating to ventilating apparatus : en
  • CH173141A - Spur gear with asymmetrical teeth. : de en
  • US1980644A - Gear shifting mechanism : en
  • US1980930A - Test tube support : en
  • DE593437C - Automatic machine for drawing and cutting bar material : de en
  • CA345888A - Grain loading and unloading device : en fr
  • CH173195A - Substance suitable as a carrier for drugs, cosmetics, etc. : de en
  • US1980957A - Electro-acoustic device : en
  • US1980321A - Gas burner : en
  • CA345913A - Spark plug : en fr
  • CA346064A - Liquid fuel processing : en fr
  • CA345959A - Pulp web : en fr
  • US1980389A - Hose coupling : en
  • AU1506433A - Improved flour or like sifter : en
  • CA345909A - Aquatic amusement apparatus : en fr
  • US1980448A - Suspension joint : en
  • CH173287A - Process for the preparation of a cyanine dye. : de en
  • DE551355C - Ball mills with acid-proof, non-oxidizing drum for grinding paints, especially cellulose ester paints : de en
  • ES2619Y - Serrated scissors. : en es
  • CH173266A - Process for the preparation of a dye of the gallocyanin series. : de en
  • DE605486C - Method of delaying the ignition of phosphorus calcium : de en
  • GB419692A - Improvements in and relating to gutters for roofs of buildings : en
  • US1980414A - Process for the production of sul : en
  • CH173091A - Process for the production of unsupported films from colloidal materials. : de en
  • CH173150A - Method and fuel injection pump for injecting fuel into internal combustion engines through an open nozzle. : de en
  • FR773394A - Improvements in internal combustion engines : en fr
  • GB419544A - Improvements in centrifugal pumps : en
  • DE605452C - Process for smelting ores and metals, e.g. B. iron, as well as for reducing ores in shaft ovens : de en
  • US1980179A - Method of sealing packages : en
  • CH173151A - Control device on explosion engines for checking electrical spark plugs. : de en
  • CH173289A - Process for the preparation of a cyanine dye. : de en
  • CA345934A - Fish hook holder : en fr
  • GB419820A - A process for reducing the pour point of oils and for the manufacture of oils having a low pour point : en
  • US1980213A - Radiation differential thermometer : en
  • ES3117U - New shirt or men's shirt perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419580A - Improvements in and relating to means for applying heat to road surfaces : en
  • CA345952A - Ball bearing : en fr
  • US1980643A - Paint mixer : en
  • US1980882A - Hydraulic pressure device for rolling mills : en
  • US1980912A - Electric radio organ : en
  • CA345933A - Container : en fr
  • US1980473A - Dispensing device for paste or the like : en
  • US1980846A - Universal joint : en
  • CH173160A - Rotor-fed three-phase shunt commutator motor. : de en
  • ES3063U - Educational stickers, stamps and postcards (Machine-translation by Google Translate, not legally binding) : en es
  • DE605169C - Shooting toy assembled from cardboard parts : de en
  • DE605718C - Device for demonstrating wallpaper sample sheets : de en
  • GB419515A - Improvements in mechanical toys : en
  • US1980202A - Safety razor : en
  • US1980302A - Fishing line float : en
  • US1980872A - Apparatus for grinding : en
  • ES3065U - Teat for bottles and similar uses that allow the suppression of the valve. (Machine-translation by Google Translate, not legally binding) : en es
  • GB419395A - Improvements in or relating to presses particularly for moulding plastic material : en
  • GB419608A - Improvements in pianofortes : en
  • USD93807S - Design for a desk pen : en
  • FR773217A - Clip for fixing a gaiter or leg warmer in place : en fr
  • GB419606A - Improvements in or relating to wire feeding and severing mechanism : en
  • US1980662A - Engine starting mechanism : en
  • US1980756A - Thermally controlled switch : en
  • FI16197A - Attempts to obtain a spinneret : en fi
  • GB419389A - Improvements in or relating to apparatus for controlling the opening and closing of the doors of vehicles : en
  • FI16168A - Fertilization of electrolytic utilization or refining of nickel : en fi
  • GB419540A - Improvements in or relating to shelves and trays for laundries and other purposes : en
  • DE605601C - Pulling device for curtains : de en
  • FR773181A - Projection system even in bright light : en fr
  • FR773152A - Non-slip articulated pad for ladders and scaffolding : en fr
  • GB419530A - Improvements in or relating to mechanism for intermittently operating a member or element : en
  • GB419497A - Improvements in or relating to pneumatic tubular conveyor systems : en
  • GB419574A - Improvements in or relating to collapsible ladders : en
  • FR773257A - Two-stroke internal combustion engine with equicurrent sweeping : en fr
  • FI16165A - Fertilization rate for the sulphation of sulphide sinter or brand of non-ferrous metal : en fi
  • CH173178A - Device to protect rectifiers against reignition. : de en
  • DE605142C - Gas-filled ion discharge tubes with two internal electrodes : de en
  • FR773218A - Cow tail holder : en fr
  • CH173067A - Process for the preparation of an anthraquinone derivative containing sulfur and nitrogen. : de en
  • US1980197A - Method of sealing conductors in plates : en
  • US1980571A - Means for obtaining ice-blocks from an automatic type refrigerator : en
  • US1980442A - Car coupler : en
  • US1980462A - Cracking of petroleum vapors : en
  • CA345930A - Copper hardening process : en fr
  • DE605607C - Registering speedometer : de en
  • CH173018A - Output container for zigzag nested toilet paper. : de en
  • US1980287A - Method of producing compositions : en
  • US1980388A - Oil filled cable with tubular oil channels : en
  • US1980739A - Electric switch gear : en
  • US1980856A - Machine for forming fabrications from strip material : en
  • ES135589A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • FR773116A - Supply circuit for electronic valves : en fr
  • GB419702A - Electric vacuum cleaner : en
  • US1980345A - Fishing reel : en
  • US1980831A - Electric switch or junction box : en
  • CH173055A - Process for the production of a bread-like product. : de en
  • GB419423A - Improvements relating to devices for measuring out quantities of material : en
  • US1980718A - Catalytic apparatus : en
  • FR773422A - Device for lubrication systems for axle bearings, particularly for rail vehicles : en fr
  • GB419642A - Improvements in means for the hydraulic transmission of power : en
  • US1980650A - Book or book cover supporting device : en
  • FI16162A - Anordning vid fönster med kopplade bågar ocmed med av metallprofiler bestående karmar oc bågar : en fi
  • FR773406A - Variable capacitor : en fr
  • GB419615A - Improvements in or relating to slicing machines : en
  • US1980577A - Ticket : en
  • GB419447A - Improvements in the manufacture and production of azo-dyestuffs : en
  • FR773360A - Crusher-screen group : en fr
  • CH173058A - Evaporation device for the concentration of sludge-containing and strongly foaming solutions. : de en
  • CH173126A - Chainsaw operated by a single man. : de en
  • US1980505A - Automotive transmission : en
  • US1980332A - Apparatus used in the formation of models of building structures : en
  • FR773310A - Device for fixing a rod to a tube and resulting assemblies : en fr
  • US1980294A - Automatic stop mechanism for machines : en
  • US1980378A - Method of making beryllium and light alloys thereof : en
  • US1980480A - Purifying zinc metal : en
  • US1980509A - Temperature responsive device : en
  • CH173105A - Aiming device, in particular for anti-aircraft weapons. : de en
  • US1980677A - Buffer mechanism for railway passenger cars : en
  • DE605741C - Waterless bell gas container : de en
  • FR773323A - Control and adjustment device for gas-heated appliances : en fr
  • DE605508C - Device for transferring rolls and cigars in cigar machines : de en
  • ES135525A3 - New body construction system for automobiles in general, and especially for buses. : en es
  • ES3068U - Toilet basket holder (Machine-translation by Google Translate, not legally binding) : en es
  • GB419545A - Improved method of and apparatus for regenerating or purifying wash oil used in the recovery of crude benzole and similar hydrocarbons from coal gas : en
  • DE605525C - Parallel switching device : de en
  • DK49525C - Water Damage Alarm Device. : da en
  • FI16154A - The method of application of the sulphate compound : en fi
  • FR773301A - Improvements to bearing plates or railway track supports : en fr
  • FR773225A - Apparatus for increasing the degrees of wines and others without the use of free alcohol : en fr
  • GB419594A - Improvements in miners' or the like safety lamps : en
  • GB419684A - Improvements in or relating to container closures, particularly bottle caps : en
  • US1980431A - Filtration : en
  • US1980839A - Process of and apparatus for cracking hydrocarbon oils : en
  • US1980934A - Vehicle shock absorbing apparatus : en
  • US1980778A - Engine : en
  • GB419657A - Improvements in resiliently mounted hubs for cycles : en
  • FR773294A - Method for identifying and reproducing types of photographic gelatins : en fr
  • US1980897A - Road machine : en
  • ES135655A1 - PROCEDURE FOR OBTAINING NEW TYPOGRAPHICAL CLISES : en es
  • FR773210A - Improvements to presses : en fr
  • DE605783C - DC drive for hoists : de en
  • FR773197A - Device for automatic adjustment of the washing process in mine washhouses : en fr
  • GB419721A - Improvements in or relating to loom shuttles : en
  • US1980531A - Absorption refrigerating system : en
  • US1980938A - Sanitary waste can : en
  • US1980924A - Rotary gas engine : en
  • DE605530C - Device for automatic control of the liquid level in submersible containers, especially underwater motor diving bells : de en
  • FI16173A - Tillage machine : en fi
  • CA345962A - Streamlined aircraft body : en fr
  • US1980238A - Eyelet tape : en
  • GB420066A - Textile assistants : en
  • US1980792A - Machine for automatically sealing hoods on bottles : en
  • DE605760C - Lectern for reading in a lying position : de en
  • CH173280A - Process for the preparation of a dye of the gallocyanin series. : de en
  • FR773417A - : fr
  • GB419634A - Improvements in electromagnetically-operated tuned or resonant relay or like apparatus : en
  • US1980868A - Friction lighter : en
  • US1980573A - Staple extractor : en
  • US1980380A - Manufacture of motor fuel : en
  • US1980915A - Motion picture camera : en
  • CA345917A - Rolling colter bolt : en fr
  • FR773278A - Improvements to thermionic valves and their circuits of use : en fr
  • ES3083U - Rubber sole of all kinds with special toecap. (Machine-translation by Google Translate, not legally binding) : en es
  • FR773271A - Improvements to the order of the cutter square : en fr
  • GB419437A - Arrangement for voltage regulation by means of controlled discharge vessels : en
  • GB419433A - Improvements in and relating to antenna systems for radio-communication : en
  • GB419658A - Flashlight cartridge : en
  • US1980341A - Vacuum tube grid construction : en
  • US1980459A - Method and apparatus for controlling mercury arc rectifiers : en
  • US1980672A - Orifice plate for flow meters : en
  • US1980444A - Method and means of producing hobs : en
  • US1980770A - Gas mixing apparatus : en
  • CH173196A - Process for the preparation of a compound of theophylline which is readily soluble in water and diethanolamine. : de en
  • FR773418A - Method and apparatus for applying a coating to a support, such as a wall : en fr
  • FR773108A - Device producing a combined movement of rotation and oscillation of the electrode for electric arc welding : en fr
  • FR773229A - Process for preparing oils boiling in the middle zone, such as gas oils, oils for diesel engines, etc. : en fr
  • GB419384A - An improved spring suspension for vehicles : en
  • AU1977034A - Improvements in or relating to radio andother modulated carrier wave receivers : en
  • US1980692A - Chimney draft regulator : en
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  • US1980318A - Compound record assembly : en
  • US1980676A - Finishing textile fabrics : en
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  • US1980729A - Electric furnace : en
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  • DE605661C - Camera with lens cap : de en
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  • US1980264A - Method of corrugating tubes : en
  • US1980377A - Process for refining airplane engine oil : en
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  • CH173009A - Hotplate. : de en
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  • US1980334A - Door and brake valve device : en
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  • GB419679A - Improvements in or connected with apparatus for use in the administration of gaseousanaesthetics for the production of unconsciousness : en
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