• DE738846C - Pipe rupture protection : de en
  • DE738860C - Device on a machine for the production of coils from wire or tape : de en
  • DE738762C - Drive device for the tobacco supply on cigarette machines : de en
  • US2328297A - Fish stop : en
  • GB555650A - Pyrotechnic device suitable for signalling and other purposes : en
  • US2328191A - Starch conversion process : en
  • US2328105A - X-ray shield : en
  • ES160903A1 - A PROVISION TO DELETE FREQUENCY DEPENDENT COURSE ERRORS IN ANTENNA PROVISIONS IN COMBINATION WITH GONIOMETERS : en es
  • US2328353A - Azo dyestuff intermediate : en
  • US2328424A - Urea-triazine resin : en
  • US2328032A - Airplane running light installation : en
  • US2328441A - Structural member : en
  • FR884865A - Plow and winch for its traction : en fr
  • CH228394A - Installation on canals to remove debris from the water. : de en
  • ES160854A3 - POST-CRANE, REMOVABLE AND TRANSPORTABLE, QUICK ASSEMBLY, WITH ITS MOUNTING DEVICE : en es
  • DE738648C - Combustion chamber for gas flow machines, in particular for use in aircraft : de en
  • ES160894A1 - IMPROVEMENTS IN THE CONSTRUCTION OF VAULTS FOR INDUSTRIAL OVENS : en es
  • ES160959A1 - ELECTRIC MIXER : en es
  • DE738790C - Method and device for testing cartridge and cartridge cases for suitability for firing : de en
  • DE738896C - Shaft furnace for the heat treatment of elongated workpieces : de en
  • ES160907A3 - A SPECIAL HIGH-SPEED SEWING MACHINE, FOR THE MAKING OF CLOTHING AND IN PARTICULAR FOR KNITTING : en es
  • FR884880A - Radiation electron tube, especially high power braun tube : en fr
  • US2328518A - Clutch housing insulator : en
  • USD136266S - Design for a lamp shade : en
  • US2328389A - Blade adjustment for wood planers : en
  • US2328529A - Convertible ice bunker for refrigerator cars : en
  • ES161128A1 - IMPROVEMENTS IN THE MANUFACTURE OF INDUSTRIAL OILS BY MEANS OF POLYMERIZATION OF THE OLEFINS : en es
  • US2328344A - Winding machine : en
  • AU669942A - Improvements in syringe ampoules : en
  • BE449950A - : en fr
  • BE451668A - 2,4,6-Triketo-hexa-hydroxy-pyrimidines, spirocyclic, alkylated to a nitrogen atom and process for their preparation : en fr
  • ES160939A1 - IMPROVEMENTS INTRODUCED IN THE ALMOND AND SIMILAR FRUIT MACHINES : en es
  • FR885045A - Method and apparatus for hydrolyzing cellulosic materials : en fr
  • FR885096A - Refractory product containing chromium oxide : en fr
  • US2328039A - Steam generator : en
  • CA414924A - Spark plug electrode : en fr
  • US2328278A - Grain handling mechanism : en
  • USD136252S - Design for a thermostat casing : en
  • DE738795C - Valve for breathing apparatus : de en
  • DE738727C - Device for emptying molding boxes : de en
  • ES160899A1 - A VARIABLE COUPLING FOR TRANSMITTERS OF SHORT WAVES AND ULTRACORTES : en es
  • ES160962A1 - ARTICULATED PROVISION USED IN THE CONSTRUCTION OF FURNITURE : en es
  • DE738937C - Circuit arrangement for externally controlled saw tooth generators in which there is a voltage feedback : de en
  • CH228474A - Process for the production of space-stable machine parts. : de en
  • CH228561A - High frequency transformer. : de en
  • CA414788A - Stove pipe : en fr
  • FR885038A - Vane for axial blower drums and cylinders and for axial flow gas and steam turbines : en fr
  • AU117413B2 - Improvements in or relating to airconditioning apparatus : en
  • US2328337A - Reciprocating electromagnetic : en
  • ES155876A1 - PROCEDURE FOR THE STERILIZATION OF BACTERIA AND ULTRA-VIRUSES FOR THE USE OF CONDITIONED COLD : en es
  • PL32058B1 - Device for recording and reproducing picture or picture-sound films - Patent dependent on patent No. 28668 : en pl
  • ES160819A1 - IMPROVEMENTS IN THE CONSTRUCTION OF HEATERS FOR HAIR WAVE : en es
  • CA414966A - Electrotherapeutic apparatus : en fr
  • CH228584A - Device for accelerating the firing sequence on recoil-operated machine guns. : de en
  • ES157636A1 - A PROCEDURE FOR THE MANUFACTURE OF FLAT OR TRAPEZOID BELTS : en es
  • FR885041A - Device for hydraulically actuated driving or braking mechanism : en fr
  • ES161064A3 - MACHINE FOR WASHING INJECTABLE BLISTERS : en es
  • US2328360A - Glare shield mounting : en
  • USD136295S - Qne-fiece molded insulation switch base : en
  • ES161074A1 - NEW METHOD FOR PURIFYING CAST IRON AND STEEL : en es
  • CH228521A - Heat exchange processes and heat exchangers for carrying out the process. : de en
  • DE738913C - Self-locking differential gear, especially for motor vehicles : de en
  • ES157849A1 - IMPROVEMENTS IN ILLUMINATING LOADS : en es
  • US2328041A - Steering device for boats : en
  • CA414806A - Toasting machine : en fr
  • CA414945A - Asphalt manufacture : en fr
  • CH228563A - Remote electrical control installation. : en fr
  • DE738802C - Ribbed heat exchanger for exhaust gas heaters, in particular from motor vehicles, and processes for its manufacture : de en
  • USD136291S - Design fob a dress : en
  • ES161117A1 - NEW HEAD OR MULTIPLE AUTOMATIC ROTATION TO SPREAD VEGETABLE FIBERS : en es
  • CH228448A - Process for the production of artificial masses. : de en
  • DE738804C - Arrangement for cleaning the windshield of vehicles : de en
  • FR885082A - Fork lock for bicycles and others : en fr
  • DE738746C - Springy memo plate with side tongues : de en
  • CA414798A - Vehicle body insulating structure : en fr
  • CA414791A - Airplane signal lamp : en fr
  • CH228579A - Regenerative braking circuit for AC vehicles with exciter generators. : de en
  • ES160858A2 - A PROCEDURE OF WHITENING NATURAL AND DEGENERATED CELLULOSE : en es
  • PL32095B1 - The method of producing condensation products from formaldehyde and ammonium salts ,,,, : en pl
  • US2328170A - Screening mill : en
  • FR884854A - Device for the protection of circuit breakers and similar devices against overvoltages, in particular against lightning strikes : en fr
  • FR884927A - Installation of blind landing signals : en fr
  • FR884936A - Assembly for teleprinter exchanges : en fr
  • FR885052A - Grain pulverizer crusher : en fr
  • CA414828A - Summary form method and means : en fr
  • CH228515A - Fuel delivery system for internal combustion engines. : de en
  • US2328515A - Phonograph turntable driving device : en
  • ES160879A3 - A PROCEDURE FOR GLUING WOOD AND OTHER MATERIALS, MAINLY CELLULOSIC, BY USING SYNTHETIC RESINS : en es
  • ES160940A1 - IMPROVEMENTS INTRODUCED IN THE DISTRIBUTION OF LIQUIDS OR GASES : en es
  • CH228437A - Process for the preparation of a polyazo dye. : de en
  • PL32074B3 - A method of embedding refractory stones or bricks without mortar with the use of intermediate sheet metal inlays : en pl
  • CH228416A - Haspelkuve. : de en
  • ES158253A3 - A CRANE WITH A SWING BOOM : en es
  • ES160913A1 - PROCEDURE FOR THE MANUFACTURE OF A MILK IN ACIDIFIED POWDER : en es
  • ES161104A1 - IMPROVEMENTS IN THE MANUFACTURE OF SELF COILS OF SLIDING NUCLEUS : en es
  • US2328232A - X-moxo-s : en
  • US2328143A - Fountain pen : en
  • CA414964A - Shock absorber : en fr
  • US2328431A - Process for rendering textile materials water repellent : en
  • CH228426A - Process for preparing a feed for cattle. : en fr
  • CA414920A - Iron-free copper solution : en fr
  • CH228405A - Filtering device for gases, in particular generator gases. : de en
  • DE738739C - Device for attaching axle journals to butter tubs made of thin metal walls : de en
  • ES161107A1 - SPEED REDUCER ESPECIALLY APPLICABLE TO ELECTRIC MOTORS : en es
  • GB555664A - Improvements in electrical systems for remote control : en
  • CH228384A - Cultivator for cultivating the soil. : de en
  • CA414834A - Cigar packing device : en fr
  • CH228397A - Drain, preferably for sink units. : de en
  • ES161114A1 - A PROCEDURE FOR DYEING COTTON OR OTHER TEXTILE FIBERS WITH COMPLETE TRANSFORMATION OF THE RIBBON THROUGH A UNIQUE AND DEFINITIVE TORSION AND A THREADING MACHINE FOR ITS REALIZATION : en es
  • ES161146A3 - CENTRAL APPARATUS FOR MANEUVERING SIGNALS AND CHANGING RAILWAYS : en es
  • ES161073A1 - INDUSTRIAL PROCEDURE FOR THE MANUFACTURE OF SÍLEX MARBLE WITH DIRECT POLISH : en es
  • ES160891A1 - A PROCEDURE FOR THE OBTAINING OF DRY PRESERVES : en es
  • FR884911A - Mold for the continuous casting of metal blocks or the like : en fr
  • GR10144B - SMALL METAL SHOE FLOORS AND NAKES TO FIX THEM. : el en
  • FR884867A - Method for the vegetative growth of plants : en fr
  • FR884932A - Supercharged two-stroke equicurrent engine : en fr
  • GB555571A - Improvements in ribbon-feeding mechanism for typewriters and like machines : en
  • ES160853A1 - IMPROVEMENTS IN THE WATER UNION, WITHOUT WELDING, OF TUBES : en es
  • DK61264C - Device at low-pressure steam central heating system for railway wagons. : da en
  • US2328446A - Locking device for throtile valves : en
  • US2328245A - Water heater with safety drain : en
  • DE738839C - Sealing between the pressure line and the rotating, eccentrically mounted piston drum of a pump : de en
  • DE727660C - Roller frame for caterpillar tractor : de en
  • GB555661A - Improvements in means for adjusting the brake shoes of internally expanding brakes : en
  • CA414936A - Anti-friction bearing : en fr
  • DE738732C - Safety device for the lubricating device of machines with a signaling system connected to an electrical circuit : de en
  • DK61280C - Method and Sicentrifuge for the manufacture of starch. : da en
  • US2328492A - Cinematographic registering apparatus : en
  • ES160337A1 - AN AUTOMATIC BRAKE FOR CHILDREN AND SIMILAR CARS : en es
  • GB555632A - Adjustable backrests for chairs : en
  • ES157999A1 - A NON-COMBUSTIBLE ENERGY PRODUCER PROCEDURE NONE : en es
  • ES160958A1 - IMPROVEMENTS IN THE MANUFACTURE OF APPLIANCES USING RECTIFIER VALVES : en es
  • FR884979A - Principle of water supply of an acetylene gas generator and operation of said generator, by waterfall on calcium carbide, for the supply of gaseous fuel to internal combustion engines, in all their applications : en fr
  • FR885013A - Acetylene gas metering carburetor for internal combustion engines : en fr
  • GB555708A - Improvements in and relating to discharge valves for use in bottle filling machines : en
  • ES161050A1 - PROCEDURE FOR ELECTROLYTIC METALING OF CARBONS FOR DRY BATTERIES : en es
  • CH228503A - Gripper with shells rotatably mounted in the gripper head and with a drive motor built into the gripper head. : de en
  • CA414814A - Lighting arrester : en fr
  • DE738928C - Method for tempering steel wire : de en
  • FR884870A - Method for giving optical indications in direction beam transmitters, manipulated by points and lines, intended in particular for controlling heading lines : en fr
  • CA414787A - Fluorescent lamp : en fr
  • GB555654A - Improvements in, or relating to, furnace linings : en
  • PL32092B1 - Television device : en pl
  • FR885009A - Clothes hanger with device containing an insecticide product : en fr
  • PL32063B1 - Radio Corporation of America, New York, N.Y. A multi-band frequency superimposed radio receiver capable of receiving a number of relatively narrow frequency bands, especially in the shortwave range : en pl
  • PL32096B1 - The method of threading a fibrous yarn : en pl
  • CA414802A - Machine feed roller : en fr
  • GB555616A - Improvements in and relating to bins and stands or racks for storage and like purposes : en
  • US2328196A - Refrigeration : en
  • ES160987A2 - BRAKE DEVICE BY VARIABLE TRANSMISSION ON THE BRAKE LINKAGE : en es
  • ES161052A1 - PROCEDURE TO USE THE SENSITIVE AND LATENT HEAT OF THE REACTION GASES OBTAINED IN THE PRODUCTION OF FORMALDEHYDE THROUGH CATALYTIC OXIDATION OR DEHYDROGENATION OF METHANOL : en es
  • FR884939A - Double-acting compressor with eccentrically mounted rotary piston : en fr
  • FR885073A - Process for the preparation of valuable lubricating oils from anthracene oils : en fr
  • US2328270A - Oscillatory hammer : en
  • US2328173A - Gauging and lifting mechanism for implements : en
  • CA13525S - Tartan : en
  • US2328237A - Window operating mechanism : en
  • US2328267A - Ladle : en
  • GB555604A - Collapsible baby carrying cot : en
  • CH228576A - Gearbox for bicycles or similar. : en it
  • PL32033B1 - N. V. Philips' Gloeilampenfabrieken, Eindhoven Unbalanced conductivity electrode assembly : en pl
  • US2328220A - Rotary deflection separator : en
  • US2328527A - Safety device for sewing machines : en
  • ES161147A3 - AN APPARATUS FOR REMOTE MECHANICAL CONTROL OF BARRIERS FOR REMOTE MECHANICAL MANEUVER OF TIPPING BARRIERS : en es
  • DE738781C - System for radiant heating or cooling : de en
  • DE738866C - Step transformer with flux drainage for regulation from a positive voltage value above zero to a negative voltage value and vice versa : de en
  • DE738728C - Resilient return : de en
  • US2328088A - Driving mechanism for hoists : en
  • US2328393A - Fluid coupling : en
  • GB555621A - Improvements in electric flash lamps : en
  • CH228573A - Luggage racks for bicycles. : de en
  • US2328122A - Tackle block : en
  • US2328317A - Distributing and assembling machine : en
  • US2328366A - Table tennis bat : en
  • ES161127A1 - PROCEDURE FOR THE MANUFACTURE OF ALKALINE CLORITES : en es
  • IE17645L - Folding chairs : en
  • GB555594A - Improvements in and relating to the production of insulating tubing having a fabric foundation : en
  • FR885025A - Double tangential action turbine: live force and pressure, which can be used as a compressor or pump : en fr
  • CA414875A - Water repellent agent manufacture : en fr
  • ES161027A1 - IMPROVEMENTS IN ELECTRICAL COMBINERS : en es
  • GR10142B - HOW TO MAKE A SPECIAL TIRE FOR WHEELS. : el en
  • US2328029A - Flow proportioning device : en
  • US2328223A - Battery filling vent : en
  • FR884923A - Improvements in methods and devices for supplying engines with aspirated gas : en fr
  • ES160952A1 - PROCEDURE FOR THE MANUFACTURE OF ELECTRIC CARBONS : en es
  • ES160970A1 - A RECOVERY OF SOLVENT GASES THAT COME OUT WITH THE WINDS THAT ESCAPE TO THE ATMOSPHERE FROM THE APPARATUS OF THE CARBON SULFUR AND CARBON SULFIDE FACTORY : en es
  • PL32044B1 - International Standard Electric Corporation, New York, N.Y. Insulating cable retainer : en pl
  • CA414799A - Composition panel board : en fr
  • CH228566A - Caterpillar. : de en
  • US2328385A - Girdle or the like : en
  • FR884963A - Process for the manufacture of yarns and films obtained from viscose and exhibiting low swelling power at the same time as greater resistance to alkaline substances : en fr
  • FR885068A - Improvements made to means of adjusting free-piston turbogenerator units : en fr
  • ES154939A1 - METHOD FOR THE MANUFACTURE OF ARTIFICIAL FIBERS FROM PRODUCTS OF POLYMERIZATION OF ACRYLIC ACID HOMOLOGOUS OR OF FUNCTIONAL DERIVATIVES OF THESE HOMOLOGOUSES, BY THE DRY YARN PROCEDURE : en es
  • ES160805A1 - BRUSH MECHANISM FOR MOBILE SCREENS : en es
  • DE738734C - Receiver with economy circuit : de en
  • BE452444A - : en
  • US2328508A - Apparatus for forming coated frozen confections : en
  • US2328040A - Assembly jig : en
  • US2328266A - Operating mechanism for switches : en
  • GB555627A - Improvements relating to cargo sling hooks : en
  • USD136278S - Design fob a dress : en
  • FR885042A - Generator, filter and metering device allowing the use of acetylene gas as fuel in explosion engines : en fr
  • BE451515A - : fr
  • CA414846A - Brake arrangement : en fr
  • DE738879C - Arrangement for the independent transport of armored vehicles by air : de en
  • ES5128Y - Recreational game of football. : en es
  • US2328457A - Circuit breaker : en
  • CH228575A - Drive device on bicycles with reverse drive chain. : de en
  • US2328494A - Milling cutter : en
  • ES161076A3 - PROCEDURE FOR OBTAINING PRODUCTS FOR THE HANDLING OF TEXTILE FIBER YARN : en es
  • ES161109A1 - PROCEDURE FOR THE ATTACK OF BAUXITAS CONTAINING DIASPORA : en es
  • GB555635A - Improvements in or relating to the control of aircraft : en
  • FR884926A - Light vehicle such as sidecar : en fr
  • DE738726C - Process for increasing the volume of tobacco : de en
  • CH228461A - Precision micrometer. : en fr
  • US2328024A - Radio direction finder : en
  • US2328301A - Wheel theft prevention means : en
  • US2328493A - Method of shave-milling steel : en
  • US2328479A - Electric oven for high temperatures working under vacuum or under neutral gas : en
  • FR884888A - Bowl glass furnace : en fr
  • FR885012A - Preparation of aphrogenic substances from cork : en fr
  • CA414929A - Sanctuary oil lamp : en fr
  • CH228525A - Condenser type electrical insulator. : en fr
  • US2328260A - Convertible davenport and bed : en
  • US2328055A - Record selecting mechanism : en
  • US2328264A - Method of and apparatus for rectifying alternating currents : en
  • US2328257A - Ventilating black-out roller shade : en
  • ES161132A1 - NEW PROCEDURE FOR THE MANUFACTURE OF CIRCULAR BRUSHES OF SPARTO FOR POLISHING METALS : en es
  • FR884916A - Horn loudspeaker comprising several exponential horns arranged in a fan-shaped manner with a view to obtaining a predetermined orientation characteristic, in particular loudspeaker for the high register : en fr
  • ES161086A1 - IMPROVEMENTS IN THE DEPOSITS, ESPECIALLY IN THE FIXED CUBES FOR LIQUIDS : en es
  • US2328378A - Bumper : en
  • FR884937A - Process for consolidating oxide layers on aluminum and its alloys : en fr
  • FR884900A - Ignition transformer for high voltage arc rectifier, especially for marx rectifier : en fr
  • CH228512A - Pneumatic control of the fuel gas inlet into the cylinder of a two-stroke gas engine. : de en
  • CH228533A - Periodically actuated switching device, in particular for forming purposes. : de en
  • AU561542A - Improved rotor ventilator : en
  • DE738752C - Process for splitting hydrocarbons : de en
  • DE738867C - Ointment base : de en
  • CA414944A - Asphalt manufacture : en fr
  • GB555617A - Improvements in apparatus for continuously conditioning conveyor rolls : en
  • ES155692A1 - A PROCEDURE FOR THE MANUFACTURE OF ARTIFICIAL TEETH : en es
  • ES161124A2 - IMPROVEMENT IN THE PRODUCTION OF EXOTHERMAL PACKAGES, ENVELOPES OR PACKAGES TO CURL THE HAIR : en es
  • FR884983A - Processes for manufacturing agglomerates of charcoal resulting from coniferous fruits : en fr
  • FR884965A - Method and device for the manufacture of woolly synthetic yarns : en fr
  • ES160999A1 - IMPROVEMENTS IN THE ELECTRICAL HEATERS SYSTEM : en es
  • ES160943A3 - A DEPOSITION FOR THE ELASTIC SUSPENSION OF THE REAR WHEEL OF MOTORCYCLES AND SIMILAR : en es
  • DK61272C - Apparatus for Recording Tone Fluctuations. : da en
  • ES161035A1 - IMPROVEMENTS INTRODUCED IN THE SUSPENSION OF THE WHEELS OF AUTOMOBILE VEHICLES PROVIDED WITH OSCILLATING SHAFTS : en es
  • ES150508A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF AUTOMOTIVE VEHICLE FRAMES : en es
  • FR884903A - Grinding machine, especially for interior grinding : en fr
  • FR884984A - Process for ensuring the operation of explosion engines by means of a combustible gas such as acetylene : en fr
  • ES160953A1 - A MACHINE TO OBTAIN THE COMBUSTION OF CARBON FEES AUTOMATICALLY : en es
  • FR885019A - Electro-magnetic device for the automatic return of carts for typewriters, accountants, calculators, etc. : en fr
  • GB555717A - Improvements in the manufacture of sized paper : en
  • ES160954A1 - AN INTERCOMMUNICATION PROCEDURE : en es
  • FR885023A - Instantly removable lock with a single bolt constituting either a so-called latch bolt and a dead bolt : en fr
  • PL32046B1 - : en pl
  • DE738910C - Impact airship with an outer protective cover made of rigid material for the supporting body : de en
  • US2328258A - Apparatus for controlling the slide movement in long-bed hydraulic presses : en
  • USD136251S - Design fob an egg separator : en
  • PL32079B1 - Method of polymerization of diolefins : en pl
  • US2328206A - Identification badge holder : en
  • DE738925C - Radiation boiler with a main boiler drum at the front and a separation drum higher than this and above the combustion chamber : de en
  • ES160859A1 - IMPROVEMENT IN LIGHT ANTI-FRICTION ALLOYS : en es
  • CA414853A - Gun sight : en fr
  • CA414866A - Lignocellulosic material processing and products : en fr
  • CH228547A - Flexible and expandable pneumatic electrode for treatment by short waves and diathermic currents. : en fr
  • SE108343C1 - : en
  • FR884974A - Process for fixing hydrocyanic acid on butadiene : en fr
  • ES160820A1 - IMPROVEMENTS INTRODUCED IN THE CYLINDERS OF EXPLOSION ENGINES AND ESPECIALLY IN THE TWO-TIME EXPLOSION MOTOR CYLINDERS : en es
  • ES160863A3 - A PROCEDURE FOR OBTAINING A STEEL FOR QUICK TURNING TOOLS : en es
  • ES160870A1 - IMPROVEMENTS IN PORTABLE CUTTING ELECTRIC MACHINES WITH CIRCULAR KNIFE : en es
  • FR884902A - Circular merry-go-round with two rails : en fr
  • PL32034B1 - N. V. Philips * Gloeilampenfabrieken, Eindhoven Connection system for easy tuning of radio receivers with changeover frequency : en pl
  • US2328444A - Ignition system : en
  • US2328194A - Railway track liner : en
  • US2328209A - Poultry housing : en
  • USD136253S - Design for an embossed leather : en
  • FR884864A - Improvement in shoes with articulated wooden soles : en fr
  • US2328137A - Sleeve shortener : en
  • GB555690A - Improvements in and relating to the re-treading of rubber pneumatic tyres : en
  • US2328030A - Hot-air heater : en
  • US2328200A - Tool construction : en
  • US2328423A - Ophthalmic mounting : en
  • US2327998A - Wringer : en
  • GB555587A - Improvements in or relating to the heat treatment of metals : en
  • FR884992A - Distributor of gaseous or other fluids under pressure with obtaining a flow rate always proportional to consumption : en fr
  • GB555675A - Improvements in needles or reproducing points for use with gramophone tracks or the like : en
  • GB555595A - Improvements in and relating to apparatus for measuring the phase and amplitude of mechanical vibrations : en
  • CA414918A - Cathode ray signal reproducting unit : en fr
  • CA414948A - Side bearing : en fr
  • US2328440A - Blocking layer cell : en
  • FR885059A - Fuels and fuels : en fr
  • DE729785C - Roller frame for caterpillar tractor : de en
  • GB555570A - A new mixture of unsaturated fatty acids and a process for making same : en
  • CH228572A - Stabilization device on bicycles for driving on snowy and icy roads. : de en
  • DE738779C - Process for processing bulky polyamide waste : de en
  • CA414889A - High pressure lamp exhausting machine : en fr
  • CA414786A - Building siding material : en fr
  • ES161047A1 - IMPROVEMENTS INTRODUCED IN THE DEVICES INTENDED FOR REVIVING THE FIRE IN THE GASOGENS, AND ESPECIALLY IN THE GASOGENS OF THE TRANSVERSAL TIRE VEHICLES : en es
  • AU117409B2 - Heat exchange apparatus : en
  • CA414885A - Vapour lamp exhausting machine : en fr
  • GB555596A - Automatic control means for fire-trailer and like pumps for water boosting purposes : en
  • GB555630A - Improvements in and relating to hydraulic governors : en
  • ES160871A1 - A GAS CARBURING PROCEDURE AND A CARBURETOR FOR THE REALIZATION OF SUCH PROCEDURE : en es
  • ES159541A1 - A PROCEDURE TO OBTAIN A NEW COMBUSTIBLE PRODUCT FOR GASOGEN HOMES : en es
  • FR884947A - Process for the preparation of endless films based on solidly polymerized organic bodies : en fr
  • CA414876A - Chemical process and product : en fr
  • CH228414A - Roller stitching needle. : en fr
  • DE738761C - Machine for stringing tobacco leaves : de en
  • FR885022A - Device for mixed supply of internal combustion engines : en fr
  • USD136288S - Design fob a dress : en
  • US2328404A - Glass tempering : en
  • USD136298S - Van vactor : en
  • US2328251A - Index mechanism : en
  • US2328328A - Impeller and propeller construction for booster pumps : en
  • US2328281A - Photographic jigsaw puzzle : en
  • US2328145A - Color television : en
  • GB555605A - Improvements in devices for feeding blanks to cutting and other machines : en
  • GB555710A - Improvements in electric switches for motor-driven pumps : en
  • CA414927A - Printing press : en fr
  • CA414863A - Machine element : en fr
  • ES161111A1 - IMPROVEMENTS INTRODUCED IN THE LOCKOUT AND UNLOCKING DEVICES OF THE SLIDES ON THE TISSUE TILES : en es
  • FR884883A - Preparation and impregnation of natural and artificial articles of cellulose : en fr
  • AU117433B2 - Improvements inthe production of branched chain alkanes : en
  • CA414962A - Barrel rack : en fr
  • AU639742A - Improvements in and relating tothe wearing plates of footwear : en
  • US2328063A - Process of cutting fabric : en
  • US2328178A - Manufacture of gasoline : en
  • GB555679A - Improvements in or relating to paper feed mechanism for statistical and like machines : en
  • CH228476A - Device to prevent metal from running out of the sprue onto the floor in the end position of the mold when casting metals by pivoting the casting mold through about 90 °. : de en
  • DE738831C - Injection molding machine for thermoformable plastics : de en
  • ES160838A1 - IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRODES FOR THE SOLDERING OF COPPER AND ITS ALLOYS THROUGH VOLTAIC ARCH : en es
  • CH228396A - Device for the heat treatment of goods of various kinds, in particular for burning cement, alkaline earth carbonates, e.g. B. lime, magnesite and dolomite. : de en
  • FR884895A - Electric dust collector with electrodes formed by parallel plates forming a gas passage, for automobiles operating on generator gas : en fr
  • CA414895A - Turning machine : en fr
  • CH228480A - Compressed air hand riveting machine. : de en
  • DE738832C - Mold for the production of plastic pressed parts : de en
  • CH228514A - Liquid-cooled piston with piston pin, in particular for internal combustion engines. : de en
  • CH228538A - High frequency generator for industrial purposes. : de en
  • ES161071A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • ES161099A1 - NEW SYSTEM OF PROPULSION AND SUSTAINABILITY IN AERIAL APPLIANCES : en es
  • FR884899A - Contact rectifier with components weakening the current at the contacts : en fr
  • CA414827A - Vehicle braking system : en fr
  • CH228478A - Method of casting metal blocks. : de en
  • ES160980A1 - HOME WITH THE GRILL FORMED BY WATER-COOLED MOBILE PIPES : en es
  • FR884933A - Spinning regulator : en fr
  • DE738770C - Covering device for expansion joints of bridges : de en
  • DE738796C - Windows for gas masks and goggles : de en
  • US2328400A - Billfold or pocket case : en
  • US2328497A - Winding : en
  • US2328190A - Stabilizing hydrocarbon products : en
  • US2328445A - Blackout light : en
  • CA414953A - Trim panel assembly and fastener : en fr
  • CA414847A - Railway brake : en fr
  • PL32037B1 - Radio Corporation of flmerica, New York, N.Y. Deflection coil assembly for beam cathode ray tubes : en pl
  • US2328136A - Electron tube : en
  • GB555676A - Improvements relating to the control of the tension in lengths of material passing between coiling and uncoiling mechanisms : en
  • CA414874A - Lubricant : en fr
  • CA414926A - Clutch and vibration balancer : en fr
  • CA414961A - Condensation product : en fr
  • CA414963A - Shock absorber : en fr
  • PL32015B1 - Wood impregnation method : en pl
  • DE738713C - Device for power transmission : de en
  • FR884873A - Filter mounted in a container on the fuel tank of a motorcycle : en fr
  • FR885003A - Water-soluble high molecular weight acyl-biguanides, and process for their preparation : en fr
  • USD136276S - Needle worker s utility holder : en
  • CA414801A - Aeroplane control device : en fr
  • SE108371C1 - : sv
  • SE108346C1 - Apparatus for the treatment of bone fractures : en sv
  • US2327994A - Mechanism for improving the dirigibility of ships, submarines, and aircraft : en
  • US2328080A - Storage and dispensing apparatus : en
  • US2328115A - Rotary valve : en
  • US2328512A - Ribbed dome hollow head valve : en
  • FR885099A - Plasticisable synthetic products and method for their production : en fr
  • ES160960A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NO. 160089 : en es
  • DE738810C - Clamping device for hand machines for the production of twist locks for wire wraps : de en
  • US2328022A - Tape serving machine : en
  • US2328140A - Catalyst resulting from hydrolysis of alloys of catalytic metals and hydrolyzable metals : en
  • ES160928A1 - PROCEDURE AND ITS DEVICE FOR MAKING LONGITUDINAL CUTS IN RUBBER PIECES IN THE FORM OF PLATES OR STRIPS : en es
  • US2328501A - Machine : en
  • ES160823A1 - A RECEIVER DEVICE FOR SIGNALS TRANSMITTED BY A CARRIER WAVE MODULATED BY SUCCESSIVE IMPULSES OF CONSTANT DURATION AND OF TEMPORARY VARIABLE CHARACTER : en es
  • ES161113A1 - IMPROVEMENTS INTRODUCED IN THE MUFLA OVENS : en es
  • FR884958A - Coke manufacturing process for electrodes : en fr
  • GB555692A - Improvements in pipe couplings : en
  • DK61275C - Tear Closure for Bottles. : da en
  • ES160809A1 - WIND ENGINE ORIENTATION AND REGULARIZATION DEVICE : en es
  • FR884876A - Device for closing a bag or making bags by folding and gluing the edges cold and hot : en fr
  • ES161072A1 - A NEW PROCEDURE TO INCREASE THE BRIGHTNESS AND STRENGTH OF VARNISHING OR ENAMELLING, SAVING VARNISH OR ENAMEL : en es
  • ES160990A1 - IMPROVEMENTS IN LIGHT METAL STEMS FOR COMBUSTION ENGINES WITH ONE-SIDE ELASTIC STEM : en es
  • FR884910A - Improvements made to the rolling bottoms of rotary tube furnaces with cooling drums established below : en fr
  • GB555601A - Improvements in high frequency amplifiers utilising electron discharge devices : en
  • DK61269C - Procedure in the manufacture of a printed knitwear. : da en
  • FR884868A - Process for filling towers, columns or reaction chambers with packing bodies : en fr
  • US2328001A - Means and method of bringing oil wells into production : en
  • US2328332A - Damper : en
  • US2328488A - Rectifier : en
  • FR884896A - Power supply device for a rare gas lamp and signaling device fitted with this device : en fr
  • US2328367A - Container : en
  • US2328425A - Urea-triazine resin : en
  • DE738885C - Pneumatic impact tool : de en
  • GB555670A - Improvements in and relating to the projection of sterescopic kinematograph images : en
  • CH228453A - Process for the production of color images, in particular for multicolor photography. : de en
  • CH228588A - Circuit arrangement with a rotary selector designed as a square selector. : de en
  • PL31995B1 - Ringhoffer-Tatra Werke fl. G., Praga Room for spare wheels or tools or fuel tank in vehicles with reduced air resistance : en pl
  • US2328033A - Prestressing reinforcing device for concrete : en
  • US2328133A - Pull line drum and mounting : en
  • CA414817A - Diaphragm valve : en fr
  • DE738819C - Boiler drain valve with two coaxial valve cones that can be moved axially against each other : de en
  • FR884856A - Filtration apparatus : en fr
  • CA414820A - Edible composition converting method : en fr
  • CA414857A - Friction clutch : en fr
  • CH228395A - Fireplace wall. : en fr
  • DE738837C - Anti-icing intake manifold, especially for the intake lines of internal combustion engines : de en
  • ES161142A3 - NEW ELECTRICAL CONTROL DEVICE FOR RAILWAY NEEDLES DESIGNED ESPECIALLY FOR CONTROLLING STATIONS : en es
  • GB555640A - Improvements in or relating to abrasive articles : en
  • USD136260S - Loewy locomotive body : en
  • USD136299S - Design for a dress : en
  • US2328359A - Tool holder : en
  • US2328365A - Closure cap : en
  • CA414879A - Sulphuric acid : en fr
  • CA414955A - Windshield cleaner motor : en fr
  • US2328158A - Art of refining : en
  • DK61276C - Brake for Swivel windows. : da en
  • AU716942A - Improvements in return smoke tube boilers and steam superheaters for use therewith : en
  • CA414960A - Wind driven electric unit device : en fr
  • FR884988A - Acetylene generator : en fr
  • GB555634A - Improved process of decalcomania : en
  • FR885056A - Standard wings fitted with gasifier for motor vehicle : en fr
  • GB555688A - Signalling and communication systems : en
  • US2328116A - Fountain pen : en
  • US2328014A - Fire detecting and extinguishing : en
  • US2328067A - Electrode holder : en
  • US2328154A - Electric switch : en
  • US2328108A - Recoil-operated self-loading firearm : en
  • US2328182A - Arc welding table : en
  • CH228463A - Heat meter for flowing liquids or gases. : de en
  • ES160828A1 - NEW SYSTEM OF BARRACON ESPECIALLY COMPOSITE CHILLER OF CONSTRUCTION UNITED INSULATED IN A REMOVABLE WAY : en es
  • US2327983A - Slide fastener stringer tape reinforcement : en
  • DE738729C - Sighting device for weapons on moving weapon carriers, especially for airborne weapons : de en
  • CH228404A - Central heating boiler with lighting device. : de en
  • US2328491A - Bomb comprising a compressed mass of fire extinguishing powder : en
  • CA414898A - Frequency modulation distortion correction system : en fr
  • DE738916C - Device for filling green beans or similar goods into canning vessels : de en
  • US2328482A - Agitator for washing machines : en
  • ES160807A1 - IMPROVEMENTS IN THE TELESCOPAS WITHOUT LANZADERA : en es
  • AU516142A - Improvements in or relating to combined lighting, and airconditioning systems : en
  • US2328020A - Retractible spout : en
  • US2327995A - Mask adapted for use at high altitudes : en
  • GB555665A - Improvements in machine for finishing top lift edges : en
  • FR885057A - Method of protecting plants against plant pests : en fr
  • US2327992A - Process for the preparation of compounds of cerium : en
  • US2328471A - Drawing fixture : en
  • DK61267C - Protective device for high-voltage direct current transmission systems. : da en
  • US2328045A - Feed-water heater : en
  • US2328305A - Aircraft windshield safety guard : en
  • USD136280S - Design for a pen holding stand : en
  • FR885054A - Improvements made to furnaces, and especially to steel and glass melting furnaces : en fr
  • BE451324A - : en fr
  • ES160796A1 - IMPROVEMENTS IN THE CONSTRUCTION OF THE RULES OF THE MACHINILLAS FOR THE GOVERNMENT OF THE LIZOS IN THE MECHANICAL TILES : en es
  • US2328307A - Manufacture of rayon : en
  • FR885040A - Unalterable nozzle for gasifier for all applications : en fr
  • US2328076A - Driving unit : en
  • US2328081A - Manifolding stationery : en
  • CH228411A - Process for the production of fabrics, in particular tapes, consisting of elastic and inelastic parts. : de en
  • US2328395A - Apparatus for processing sugars and the like : en
  • US2328522A - Rubber band dispenser : en
  • US2328290A - Method of making cementitious building units : en
  • US2328526A - Juice extractor : en
  • USD136285S - Design fob a handbag : en
  • CA414901A - Milking machine teat cup : en fr
  • DE738931C - Microphone capsule largely protected against moisture : de en
  • ES158330A1 - A PROCEDURE FOR THE MANUFACTURE OF A PAINT OF GREAT POWER, DRY AND RESISTANT TO THE WEATHER : en es
  • FR885043A - Calcium carbide carburettor-gasifiers to power stationary or automotive gasoline engines with acetylene gas : en fr
  • US2328339A - Vehicle wheel lock : en
  • US2328298A - Detachable coupling for high pressure hose : en
  • US2328059A - Manufacture of ethers : en
  • CH228418A - Gaiter attachment device. : en fr
  • CH228542A - Induction furnace. : de en
  • CH228438A - Method of manufacturing a paint. : de en
  • ES161062A1 - IMPROVEMENTS IN THE TISAJE WITH FRAME FOR GASA : en es
  • CA414856A - Transmission mechanism : en fr
  • CA414941A - Fatty acid amide and free acid manufacture : en fr
  • GB555660A - Improvements in apparatus for drying grain and other discrete materials : en
  • CH228534A - Magnetic amplifier. : de en
  • AU117400B2 - Improvements relating tothe treatment of linen flax straw andthe like and fibre obtained therefrom : en
  • CA414884A - High voltage gaseous rectifier : en fr
  • CH228466A - Device for forming the sum or difference of two measured quantities. : de en
  • ES160923A1 - A DEVICE TO MANUFACTURE MESH TISSUE WORK : en es
  • CH228473A - Process for the production of space-stable machine parts. : de en
  • DE736636C - Two-hand safety indentation for crank or eccentric presses : de en
  • US2328273A - Change speed device : en
  • AU555042A - Improvements in and relating to pumps : en
  • FR884946A - Massager with automatic piston lubrication : en fr
  • FR885046A - Gas metering-mixer for internal combustion engines : en fr
  • ES160312A1 - A MECHANICAL DEVICE OF SELF-REGULATION DEPRESSION FOR ACETYLENE GENERATORS : en es
  • PL32059B1 - Device comprising an electric high-performance discharge lamp cooled with a liquid and a reflector : en pl
  • US2328089A - Recovery of soluble lead salts from insoluble lead compounds : en
  • ES161093A1 - BURNER OR GASIFICATION PURIFIER FOR EXPLOSION ENGINES : en es
  • CA414862A - Vehicle spring suspension system : en fr
  • CH228531A - Device for suppressing overcurrents on the primary side of constant voltage-constant current converters. : de en
  • US2328071A - Apparatus for pug making : en
  • PL32078B1 - The method of splitting or hydrogenating the materials under pressure : en pl
  • USD136293S - Casing for a carpet sweeper or similar article : en
  • DE738845C - HEPA filter consisting of a folded endless paper band : de en
  • ES160884A1 - A STABILIZER TRANSFORMER : en es
  • FR884940A - Alloy with coating layer : en fr
  • US2328162A - Plating tank : en
  • US2328516A - Labeling machine : en
  • DE738817C - Process for the preparation of condensation products of the pyrrolidine series : de en
  • ES160808A1 - IMPROVEMENTS IN THE WATER UNION, WITHOUT WELDING, OF TUBES : en es
  • US2327997A - Torque device for coordinator trainers : en
  • US2328212A - Electric swivel : en
  • US2328356A - Strip metal package : en
  • DE738793C - Hydraulic remote control with refilling device : de en
  • FR884891A - Locking claw for film machines : en fr
  • FR884917A - Method for washing textiles and the like : en fr
  • US2328054A - Recorder : en
  • PL32061B1 - : en pl
  • BE451663A - CARTRIDGE STRAP FEEDER, FOR MACHINE GUNS : en fr
  • CH228549A - Process for the production of a bactericidal, virulicidal and toxin-destroying disinfectant which is highly effective in living tissue for the treatment of diseases which are caused by bacteria and virus species. : de en
  • US2328043A - Parking meter : en
  • ES161007A1 - A MECHANISM OF SPEED CHANGE THROUGH PULLEYS, WITH A TRANSMISSION BELT THAT GOES BETWEEN PAIRS OF CONICAL PLATES : en es
  • FR884877A - Elastic suspension for bicycle : en fr
  • FR884894A - Wringing or filtering press : en fr
  • FR884944A - Manufacturing process for coloring pigments, coloring lakes and color paints : en fr
  • ES160873A1 - IMPROVEMENTS IN TUBES, MANDRELS OR SIMILAR HEATING TO VULCANIZE TIRES, PIPES AND ANALOGUE OBJECTS : en es
  • GB555581A - Assembling means for brake shoe retracting springs : en
  • ES156804A3 - A SYSTEM OF ASSEMBLIES FOR PARTS OF WORKS OF WOOD OR OTHER MATERIAL : en es
  • ES160938A1 - A PROCEDURE FOR SCREENING THE SEED OF ALMOND OR SIMILAR FRUITS CONTAINED IN THE SHELLS CUT BY DESCASCARADORAS MACHINES AND TO CLEAR THE PERFORATIONS OF THE CRIBAS AND DEVICE FOR THEIR REALIZATION : en es
  • CH228435A - Process for the production of a mixture of higher molecular weight polyamino compounds. : de en
  • US2328325A - Powdered catalyst recovery : en
  • ES160918A1 - A PROCEDURE FOR THE CONSERVATION AND TRANSPORTATION OF FERMENTABLE OR FLAMMABLE PRODUCTS : en es
  • ES161144A3 - MOTOR APPARATUS FOR THE MANEUVERING AND INTERLOCKING OF NON FORCED OPENING TRACKS WITH ELECTRICAL AND MECHANICAL CONTROL OF THE NEEDLE TIPS : en es
  • ES160995A1 - A PROCEDURE APPLICABLE TO HEATING AND SIMILAR USES, CONSISTING OF THE PRODUCTION AND EMPLOYMENT, FOR THE PURPOSES INDICATED, OF SATURATED WATER STEAM, AT ANY PRESSURE : en es
  • ES155361A1 - PROCEDURE FOR MANUFACTURING A SIGNAL, LETTER OR SIMILAR REFLECTOR : en es
  • ES161141A3 - A LATCH PULLEY FOR THE MANEUVERING OF THE TRAFFIC LIGHTS FINS : en es
  • GB555600A - Improvements in or relating to means for fastening rolled fire hose and the like : en
  • ES161102A1 - A FOOTWEAR DEVICE : en es
  • FR885074A - Automatic fire starter gun : en fr
  • DE738799C - Inner shoe brake with preferably hydraulic spreading device for motor vehicles : de en
  • ES153223A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF AN EXTENSIBLE TRACTION CABLE OF AUTOMATIC CUSHIONING FOR THE CARRIAGE OF VEHICLES : en es
  • ES159978A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER: 157630 : en es
  • GB555642A - Coloured photographic layers : en
  • US2328176A - Purification of carbon disulphide : en
  • DE738742C - Idler bearing for caterpillar vehicles : de en
  • PL32022B1 - fluergesellschaft Aktiengesellschaft, Berlin Breathing apparatus for riding, draft and pack animals : en pl
  • PL32069B1 - Method for producing melamine : en pl
  • CH228412A - Coil for automatic web shuttle. : de en
  • CH228452A - Method and device for turning pencils into a specific position. : de en
  • PL32039B3 - Device for transmitting signals from the trail to the interior of the train : en pl
  • PL32052B1 - N. V. Philips' Gloeilampenfabrieken, Eindhoven rlv (\ t • H * 0 Gas-filled electric tube discharge lamp : en pl
  • US2328463A - Prime mover : en
  • USD136286S - Design for a dress : en
  • FR884906A - Small size camera : en fr
  • CA414916A - Time element relay : en fr
  • US2328009A - Check valve : en
  • US2328511A - Refrigerant evaporator : en
  • CH228467A - Peak meters for multi-phase systems. : de en
  • GB555620A - Improvements relating to building constructions : en
  • CA414890A - Lamp exhausting method : en fr
  • CH228406A - Utensil for pitting fruit. : en fr
  • CH228581A - Method for producing a hollow propeller blade from metal, drawing bodies for carrying out the method and hollow propeller blades produced according to this method. : de en
  • US2328292A - Method of depositing phosphor materials : en
  • US2328430A - Production of vinyl chloride : en
  • DE738800C - Direction indicators, in particular for motor vehicles : de en
  • US2328011A - Shoe sewing machine : en
  • US2328322A - Tension controlling apparatus : en
  • CA414837A - Hydroxy-substituted guanamine : en fr
  • US2328038A - Suction cleaning apparatus : en
  • CA414809A - Auxiliary seat for closet bowls : en fr
  • CA414839A - Beta-alkoxyguanamine : en fr
  • CH228457A - Building element for toy building purposes. : de en
  • PL32085B1 - Method for the production of monobasic aluminum sulfite : en pl
  • GB555674A - Improvements relating to joints in rubber and to tools for use in making them : en
  • CH228440A - Process for the preparation of an aminotriazine-formaldehyde reaction product. : de en
  • CA414912A - Inorganic fibre mat coherence increasing apparatus : en fr
  • ES160867A1 - PROCEDURE FOR THE MANUFACTURE OF CONDENSATION PRODUCTS CONTAINING SULFUR : en es
  • CH228496A - Articulated line consisting of individual pipe sections joined together. : de en
  • DE738784C - Spacious iron reinforcement using lattice-shaped inserts : de en
  • DE738855C - Arrangement for protective devices of electrical lines, generators, etc. : de en
  • FR885098A - Mixer for gasifier : en fr
  • CH228513A - Speed control device on internal combustion engines. : de en
  • US2328004A - Lubricator : en
  • PL32020B1 - Daimler-Benz flktiengesellschaft, Stuttgart— Unterturkheim Valve needle guide for injection nozzles : en pl
  • US2328214A - Oxygen regulator : en
  • US2328010A - Check valve : en
  • US2328357A - Method and apparatus for forming cores : en
  • PL31993B1 - Ringhoffer-Tatra Werke fl. G., Praga Ventilation slots in the engine compartment on airtight vehicles with rear engine : en pl
  • US2328447A - Film splicing device : en
  • US2328064A - Steering release mechanism : en
  • BE451401A - : en fr
  • USD136263S - Design for a pressure cooker : en
  • DK61277C - Procedure for the manufacture of plywood shoe heels with concave upper side. : da en
  • ES160898A1 - PRESSURE PUMP FOR AUTOMOTIVE VEHICLE LIFT DEVICES : en es
  • ES160996A1 - A DISPOSAL FOR THE CONTROL OF ROTARY DRUMS OF HORIZONTAL OR INCLINED POSITION : en es
  • CA414783A - Record controlled statistical machine : en fr
  • CH228451A - Process for the manufacture of molded wood fiber products. : de en
  • ES160856A1 - A SYSTEM OF ELECTRODES, ONE OF WHICH, AT LEAST, IS INTERRUPTED IN A MANNER THAT CONSTITUTES A CERTAIN NUMBER OF DIFFERENT CELLS : en es
  • ES160801A1 - IMPROVEMENTS IN THE CONSTRUCTION OF WAVE SWITCHES FOR RADIO RECEIVERS : en es
  • US2328141A - Suspension means for automobile transmissions : en
  • CA414842A - Substituted guanamine preparation : en fr
  • PL32082B1 - Telefunken Gesellschaft fur drahtlose Telegraphie m. B. H> Berlin Vacuum bank discharge lamp made in full or in part : en pl
  • CH228529A - Switching drum of electrical installation switches. : de en
  • CH228543A - Headlight dimming device for bicycles. : de en
  • PL32003B3 - Device for supplying cooling air to the engine in vehicles / especially with a streamlined engine with the engine behind : en pl
  • CA414840A - Beta-alkoxybutyroguanamine : en fr
  • CA414928A - Sheet handling apparatus : en fr
  • CA414780A - Ironing press : en fr
  • DE738801C - Cooling air supply in vehicles, especially in buses with an internal combustion engine in the rear : de en
  • CH228417A - Upper collar insert for shirt collars. : de en
  • US2328224A - Clamp truck : en
  • US2328334A - Brake : en
  • US2328413A - Operating means for fluorescent lamps : en
  • ES160951A1 - A FRICTION WHEELS CONTROL : en es
  • PL32084B1 - A method of producing clay with a high percentage of A / 203 and a high chemical reaction capacity from monobasic aluminum sulfite : en pl
  • AU117427B2 - Improvements inthe manufacture of ampoule type glass containers : en
  • CA414848A - Lead base alloy and cable sheath : en fr
  • CH228458A - A hinged sight on the barrel of firearms. : de en
  • FR884955A - Improvements to audiometers : en fr
  • ES160803A1 - A PROCEDURE FOR THE MANUFACTURE OF POROUS RUBBER : en es
  • ES161097A3 - A HIGH-SPEED UNIVERSAL AND ZIG-ZAG SEWING MACHINE WITH ROTATING SHUTTLE : en es
  • GB555641A - Means for determining the location of a concealed part of a mechanism : en
  • GB555712A - Improvements in or relating to top-or heel-pieces for the heels of footwear and the method of manufacturing the same : en
  • CA414959A - Power transmission mechanism : en fr
  • AU117432B2 - Improvements in or relating to fluid pressure or fluid flow indicators : en
  • US2328296A - Fluid translating apparatus : en
  • US2328125A - Method for making filaments : en
  • US2328153A - Trim tool : en
  • US2328438A - Press ram : en
  • USD136250S - Design for a riding stick toy : en
  • BE451583A - PREPARATION OF PHOSPHATE-BASED LAYERS ON METALS AND PRODUCTS FOR THE IMPLEMENTATION OF THIS PROCESS : en fr
  • CH228565A - Clear sheet. : de en
  • DK61261C - Collector for elastic bands. : da en
  • CH228423A - Process for making baked goods. : de en
  • DE738875C - Device for treating grain : de en
  • AU646042A - Improvements inthe production of branched chain alkanes : en
  • CA414869A - Electric circuit interrupter : en fr
  • CA414882A - Photoflash lamp : en fr
  • US2328246A - Condiment holder : en
  • US2328451A - Elastic fluid turbine arrangement : en
  • AU117415B2 - Improvements in syringe ampoules : en
  • AU688342A - Heat exchange apparatus : en
  • US2328102A - Attachment for ribbon machines : en
  • US2328358A - Organic compound and process for preparing the same : en
  • US2328426A - Drilling fluid : en
  • PL32060B1 - N. V. Philips * Gloeilampenfabrieken, Eindhoven. Flash : en pl
  • US2328421A - Box supporting device : en
  • US2328343A - Adjustable trailer hitch : en
  • US2328168A - Pipe clamp : en
  • US2328314A - Power system and control therefor : en
  • DE738880C - Gas container ceiling protected against fire bombs : de en
  • FR884993A - High Power Shotgun Cartridge : en fr
  • US2328053A - Process of refining vitamin-bearing materials : en
  • USD136257S - Design for a serving stand : en
  • CH228447A - Process for the production of a condensation product. : de en
  • CA414818A - Boat stern tube : en fr
  • US2328037A - Voltage regulator : en
  • USD136264S - Combined towel and wash cloth rack or similar article : en
  • PL32045B1 - Process for the preparation of easily soluble p-aminobenzenesulfamide compounds : en pl
  • US2328340A - Control apparatus : en
  • US2328448A - Universally adjustable automatic spraying device : en
  • GB555677A - Improvements relating to mixing machines : en
  • ES160975A1 - IMPROVEMENTS IN THE LIZOS STRIP : en es
  • FR885026A - Freestanding support for superimposed mobile beds : en fr
  • US2328082A - Tailgate mechanism : en
  • GB555610A - Filters for liquids or gases : en
  • CH228387A - Methods of combating nematodes. : de en
  • GB555593A - Improvements in and relating to electric supply circuits for electric welding apparatus : en
  • GB555657A - Improvements relating to reinforcements for cement, concrete or similar building slabs, stanchions, pipes, troughs and the like : en
  • CH228488A - Method and device for the production of plastic cages provided with rollers for roller bearings. : de en
  • GB555658A - Improvements relating to apparatus for filling bottles : en
  • US2328100A - Hand luggage construction : en
  • US2328519A - Transmission : en
  • CH228471A - Celluloid temples and method of making the same. : de en
  • DE738787C - Kneading paddle for two or more paddle rubber kneading and mixing machines : de en
  • DE738777C - Fault recorder for recording the rapid rise and fall in voltages or currents in interlinked multi-phase networks : de en
  • DE738835C - Device for regulating the density of a suspension : de en
  • CH228427A - Device for sealing the insulating tubes of cell connections on bipolar electrolysers. : de en
  • US2328362A - Power drive mechanism : en
  • DK61271C - Fresh air valve. : da en
  • US2328286A - Process of making heavy magnesium : en
  • FR884863A - Highly emitting surface cathode : en fr
  • GB555615A - Improvements in or relating to metal rectifiers : en
  • AU454342A - Improvements in or relating to means for supplying heated air to furnace and the like fires : en
  • US2328056A - Keying arrangement for electric signaling systems : en
  • US2328523A - Shoe heel : en
  • CH228522A - Device for automatic starting of induction motors. : de en
  • FR885058A - Process for recovering fat, soap and soap from certain waste from sizing operations prior to dyeing artificial fabrics : en fr
  • ES160929A1 - TEST DEVICE FOR VEHICLE TIRE COVERS : en es
  • US2328532A - Autographic register : en
  • DE738856C - Melting and casting plant for the serial production of composite cast bearing shells : de en
  • DE738782C - Electrode steam heater : de en
  • ES160848A1 - LOW TEMPERATURE CARBONIZATION OVEN : en es
  • ES160908A1 - IMPROVEMENTS IN SEWING MACHINES OR MOUNT SANDALS AND OTHER SEWING MACHINES WITH METALLIC STAPLES : en es
  • US2328149A - Rivet carrier for riveting machines : en
  • US2328279A - Automatic control means for heating devices : en
  • US2328348A - Manufacture of propeller blades : en
  • FR884995A - Very large offset automatic ignition advance regulator for internal combustion engines : en fr
  • CA414841A - Guanamine preparation : en fr
  • CA414949A - Printing telegraph apparatus : en fr
  • DE738811C - laundry detergent : de en
  • FR884986A - Heating and cooling process, means and devices : en fr
  • FR885092A - Mechanism for operating windows and in particular automobile windows : en fr
  • FR885095A - : fr
  • CA414910A - Electrical measuring instrument : en fr
  • US2328229A - Pressing machine : en
  • US2328293A - Spectrophotometer monochromator drive : en
  • CA414859A - Universal joint bearing anchor : en fr
  • CH228589A - Pedal cranks for bicycles. : de en
  • CA414899A - Square can seaming head : en fr
  • DE738843C - Process for the manufacture of a starch product : de en
  • CA414956A - Container bung : en fr
  • PL32021B1 - Daimler-Benz Aktiengesellschaft, Stuttgart-Unterturkheim Injection nozzle : en pl
  • PL32065B1 - A method of producing coatings on walls and panels : en pl
  • US2328462A - Refrigerating system : en
  • GB555711A - Improvements in or relating to machines for heading and/or indenting cartridge cases : en
  • DE738911C - Shelter fan : de en
  • ES161112A1 - IMPROVEMENTS INTRODUCED IN THE GRANADAS FOR ANTI-TANK EXERCISES : en es
  • US2328303A - Clutch control : en
  • US2328418A - Process for color cinematography : en
  • USD136270S - Design for a locket : en
  • CH228528A - Terminal block. : de en
  • ES154976A1 - A PERFECTION OF A PNEUMATIC HAMMER SUITABLE TO DEVELOP RIVET WORK AND CINCELLATION : en es
  • ES160912A1 - IMPROVEMENTS INTRODUCED IN THE COOLING DEVICES OF ENGINES BY FORCED CIRCULATION OF LIQUID : en es
  • GB555647A - Improvements in vacuum cleaner : en
  • US2328476A - Omnidirectional range : en
  • ES160915A1 - PROCEDURE FOR THE MANUFACTURE OF ARTIFICIAL TEETH WITH DESTINATION TO PROSTHETIC-DENTAL USES : en es
  • BE451574A - : en fr
  • FR885000A - : fr
  • DE738758C - Block cooler built into an aircraft wing behind the spar (s) wholly or partially within the wing profile : de en
  • US2328247A - Casing gun : en
  • US2328320A - Remote control and indicator : en
  • USD136294S - Design for an apron : en
  • CH228483A - Self-centering chuck for machine tools. : en fr
  • CA414815A - Power saw : en fr
  • CA414794A - Circular knitting machine : en fr
  • US2328228A - Core assembly : en
  • CH228557A - Device for frequency doubling of ultra-high frequency oscillations. : de en
  • ES159898A1 - DEVICE FOR THE AUTOMATIC ADDITION OF CHEMICALS DOSED TO LIQUIDS TO WHICH THEY PASS THROUGH CONDUCTIONS : en es
  • US2328034A - Photographic element and process : en
  • CA414940A - Catalytic agent : en fr
  • CA414906A - Flocculation apparatus : en fr
  • PL32077B1 - Closing device for flail pawls of mechanical looms : en pl
  • BE451304A - High melting point superpolyesters manufacturing process : en fr
  • CA414932A - Imitation leather finish : en fr
  • CH228495A - Horizontal internal combustion engine. : de en
  • CH228564A - Tube. : de en
  • USD136255S - Design for a plate or the like : en
  • CA414934A - Ammunition : en fr
  • CA414793A - Knitted fabrics and article and method of making same : en fr
  • CH228491A - Percussion punch. : en fr
  • US2328483A - Lifting apparatus : en
  • PL32091B1 - Method of leaching mineral oils : en pl
  • FR885071A - Transmission hydraulic damper : en fr
  • GB555589A - Improvements in or relating to the regulation of alternating current circuits : en
  • ES152433A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • ES160864A3 - INTRODUCTION PATENT FOR OBTAINING A STEEL FOR FAST TURNING TOOLS : en es
  • ES161000A3 - A PROGRESSIVE AND CONTINUOUS SPEED CHANGE MECHANISM : en es
  • FR885028A - Large surface area volume flotation cell : en fr
  • FR884982A - Trichlorethylene oxidation process : en fr
  • US2328268A - Paper fastener : en
  • US2328324A - Drawing frame clearer : en
  • US2328486A - Stud-plate unit for hose supporters and the like : en
  • FR885081A - Improvements to gasifiers, in particular to those supplying explosion engines : en fr
  • DE738594C - Sprocket for calculating machines : de en
  • DE738766C - Paper insert for typewriters, accounting machines and calculating machines : de en
  • DE738783C - Chute firing for kitchen stoves with built-in boiler : de en
  • ES161017A1 - A COOKING OVEN : en es
  • DE738789C - Device for the electrical measurement of torques by determining the change in inductive resistance : de en
  • ES160921A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF ROTARY PUMPS : en es
  • ES161091A1 - A PROCEDURE FOR THE OPERATION OF THE COGNITIVE POINT MACHINES, USING THE DRIVEN FORCE OF OTHER MACHINES, ESPECIALLY OF THE SEWING MACHINES : en es
  • DE738859C - Process of dismantling disks in mighty floezen : de en
  • US2328233A - Power drive for bicycles : en
  • US2328341A - Coupling hook : en
  • DE738738C - churn : de en
  • US2328166A - Manufacture of photographic bleaching layers : en
  • PL32055B1 - Bendix flviation Corporation, Chicago Centrifugal tachometer : en pl
  • US2328234A - Process for reactivating used catalysts : en
  • CH228419A - Shoe insole. : de en
  • CA414896A - Broadcasting system : en fr
  • PL32006B1 - Safety device for combination devices of variable transmissions, especially in motor vehicles : en pl
  • FR884887A - Improvements to synchronized gear change or gear controls : en fr
  • US2328388A - Handling of rod bundles or the like : en
  • PL32090B1 - The method of refining fibrous materials : en pl
  • US2328118A - Means for preventing reverse flow from branch lines to supply mains : en
  • US2328399A - Coating material recovery medium and process : en
  • PL32005B1 - Daimler-Benz flktiengesellschaft, Stuttgart — Unterturkheim F0 £ l »fc4 / fg Injection nozzle : en pl
  • DK61278C - Flag button. : da en
  • US2327987A - Circular weaving loom : en
  • CH228482A - Threading device for automatic lathe. : en fr
  • CH228497A - Double seat valve. : de en
  • DE738878C - Metallic camouflage net : de en
  • CA414909A - Propeller pitch hydraulic control device : en fr
  • DE738767C - Hand numbering stamp with a numbering mechanism that can be moved up and down : de en
  • FR885077A - Large effect derailleur for gear changes by chain and stepped sprockets for bicycles, tandems or the like : en fr
  • USD136283S - Design for a cap : en
  • FR884930A - Wheels bandage in elastic sections : en fr
  • CA414965A - Eye shield : en fr
  • CH228386A - Apparatus for sorting eggs. : de en
  • FR884969A - Piston for internal combustion engine, in particular piston conforming to the press for aircraft engines : en fr
  • AU122199B2 - Electrodeposition of tin and its alloys : en
  • US2328073A - Washing machine formula control : en
  • US2328443A - Multilayer electrical winding and method and apparatus for making same : en
  • GB555626A - Improvements in pressure gauges : en
  • US2328405A - Cutting machine : en
  • DE738733C - Arrangement for shrinkage control in radio receivers : de en
  • GR10143B - SPECIAL MATTRESSES FOR BEDS, SEATS, AND THE LIKE. : el en
  • DE738912C - Power take-off of auxiliary machines on motor vehicles, e.g. for an oil pump driven by the vehicle engine : de en
  • ES156839A1 - A DEVICE TO INCREASE THE RADIATOR SURFACE IN KITCHENS AND STOVES : en es
  • ES160887A1 - IMPROVEMENTS IN THE PREPARATION OF AGRICULTURAL ANTI-CRYPTOGAMIC PRODUCTS : en es
  • FR884942A - Device to take into account the extension factor of the exposure time : en fr
  • GB555680A - New method of retreading and repairing rubber pneumatic tyres : en
  • PL32002B1 - Ringhoffer-Tatra Werke fl. G., Praga Design of cooling air inlet openings to the engine compartment on air-shaped vehicles with rear engine : en pl
  • GB555691A - Improvements in or connected with mechanism for the conversion of motion according to one law into motion according to another law : en
  • FR884998A - Improvements to cylinder top lubrication devices : en fr
  • US2328249A - Coating composition : en
  • US2328452A - Speed regulator for engines : en
  • DE738865C - Device for limiting the inrush current in transformers : de en
  • GB555718A - Improvements relating to collapsible tubes and like containers : en
  • US2328087A - Undergarment : en
  • US2328151A - Refrigerating apparatus : en
  • CH228500A - High pressure central lubrication system. : en fr
  • US2328464A - Regulating circuit : en
  • US2328161A - Water cooled silencer : en
  • US2328349A - Valve : en
  • ES161134A1 - IMPROVEMENTS INTRODUCED IN THE ROMPECHOROS DEVICES : en es
  • PL32009B1 - Deutsche Gold-und Silber-Scheideanstalt vormaIs Roessler, Fran ikfurt n / M. Glass bleaching and bleaching agent : en pl
  • US2328346A - Dividing head : en
  • US2328192A - Method of hairdressing : en
  • US2328410A - Ceramic insulating material and process for producing the same : en
  • CH228445A - Process for the production of thermal insulation compounds. : de en
  • CA414952A - Railway car truck : en fr
  • CH228487A - Splitting knife for splitting machines, especially for splitting gas wood. : de en
  • CH228415A - Process for increasing the wetting ability of mercerising liquors. : de en
  • US2328028A - Ship construction : en
  • US2328159A - Preparation of halogen substituted aminoarylsulphonic acid derivatives : en
  • US2328077A - Shoe machine : en
  • CH228518A - Steam-gas thermal power plant. : de en
  • US2328240A - Processing of materials : en
  • US2328027A - Manufacture of separators : en
  • US2328525A - Method of preparing sheets : en
  • FR884999A - Improvements in the equipment of parachutists allowing their normal and directed descent : en fr
  • FR885060A - New foaming and disinfectant product : en fr
  • CH228475A - Device for continuous casting of metal pipes. : de en
  • CH228393A - Assembly device for demountable building elements. : en fr
  • ES157444A1 - IMPROVEMENT IN THE MOUNT OF HAND OR PORTABLE MIRRORS : en es
  • FR884871A - Process for the continuous manufacture of glycols and polyglycols from olefinic oxides : en fr
  • GB555588A - Improvements in or relating to the removal of acetylene from gaseous mixtures : en
  • US2328255A - Chair bed : en
  • US2328533A - Glass article and method of manufacture thereof : en
  • US2328142A - Coat hanger : en
  • US2328509A - Window structure : en
  • US2328338A - Cologne container : en
  • DE738769C - Ramp for placing an assembly crane on the top flange of bridges : de en
  • GB555656A - Modulation of cathode ray device : en
  • US2328148A - Filter : en
  • US2328184A - Suction cleaner : en
  • US2328376A - Typewriting machine : en
  • US2328282A - Electrical musical instrument : en
  • US2327980A - Automatic declutching means : en
  • US2328171A - Disconnecting switch : en
  • US2328382A - Flexible check valve and vacuum breaker : en
  • ES160676A1 - AN ELEVATOR APPARATUS : en es
  • ES160998A1 - A DEVICE FOR THE IGNITION OF A PIPE OF DISCHARGES IN GAS OR STEAM, WITH COLD CÁTODO AND WITH ELECTRODE OF CAPACITATIVE IGNITION : en es
  • FR884862A - Manufacturing process of alloys, containing aluminum, for permanent magnets : en fr
  • DE738897C - Self-propelled caterpillar vehicle with grave vessel : de en
  • GB555639A - Improvements in or relating to cylinder liners for internal combustion engines, compressors and the like : en
  • FR884855A - Process for producing butter by cooling highly concentrated cream : en fr
  • US2328241A - Coded track circuit signaling system : en
  • US2328294A - Connector : en
  • US2328236A - Suction cleaner : en
  • US2328052A - Automatic record changer : en
  • US2328008A - Valve : en
  • US2328386A - Conveyer system : en
  • GB555624A - An improved double-acting friction clutch : en
  • US2328315A - Surface drain : en
  • US2328230A - Box : en
  • USD136272S - Design for a prayer cross : en
  • ES160997A1 - A SLIDING NUCLEUS DEVICE : en es
  • USD136273S - Design for a combined neurological hammer, brush, and needle : en
  • FR884886A - Twin-articulated sole and insole shoe : en fr
  • CA414825A - Power driven hoisting and conveying cart : en fr
  • DE738930C - Scanning hole disk for the interlace method : de en
  • ES161063A1 - IMPROVEMENTS IN THE ELECTRIC IRONS : en es
  • US2328031A - Pipe clamp and method and apparatus for applying same : en
  • US2328074A - Manufacture of textile yarn : en
  • US2328469A - Coupling device : en
  • US2328485A - Indicating instrument : en
  • FR885065A - Improvements to pistons, in particular for internal combustion engines : en fr
  • FR885067A - Process for the preparation of a crystallized and non-hygroscopic calcium salt of d-pantothenic acid : en fr
  • GB555686A - Improvements in or relating to centrifugal friction clutches : en
  • ES161041A3 - A PROCEDURE FOR THE TREATMENT OF MINERALS BY FLOTATION : en es
  • FR884921A - Process for increasing the resistance of cement-based building materials and products made from these materials : en fr
  • GB555698A - Improvements in or relating to paper feed mechanism for statistical machines : en
  • DE738748C - Dry seed dressings : de en
  • ES159574A1 - A NEW CONSTRUCTION SYSTEM OF ARMED CONCRETE FLOORS : en es
  • US2327984A - Production of low viscosity ureaformaldehyde alcohol resin solutions : en
  • GB555614A - Improvements in or relating to telephone or like systems : en
  • DE738841C - Process for the production of a pastry-like product from potatoes : de en
  • ES160877A2 - ROTATING TORQUE HYDRODYNAMIC TRANSFORMER, ESPECIALLY FOR AUTOMOTIVE : en es
  • CA414921A - Basic copper sulphate recovery from rayon manufacture : en fr
  • AU597642A - Improvements relating tothe treatment of linen flax straw andthe like and fibre obtained therefrom : en
  • FR884978A - Compressed air motor generated by an explosive : en fr
  • US2328456A - Apparatus for studying illumination : en
  • USD136259S - Design fob a locomotive body : en
  • US2328302A - Method of making parallel fiber filters : en
  • US2328361A - Method of conditioning sludge : en
  • US2328377A - Typewriting machine : en
  • AU117402B2 - Improvements in and relating tothe wearing plates of footwear : en
  • DE738915C - Stop light switch for motor vehicles : de en
  • PL31997B1 - Device for enhancing the cooling effect of rear-engined motor vehicles and motor vehicles with airborne resistance reduced drag : en pl
  • US2328107A - Electrical connecting and conditioning apparatus : en
  • US2328520A - Condenser winding machine : en
  • FR884909A - Improvements made to sealing devices for rotary tube furnaces, cooling drums or the like, by sealing rings applied to one another : en fr
  • ES160339A1 - AN INSTALLATION OF PREVIOUS NOTICE OF TRAINS WITH PRIOR NOTICE AND WITH CONSTANT INDIVIDUAL MAIN WARNING : en es
  • CA414887A - Vitreous vessel sealing machine : en fr
  • CH228489A - Device for connecting respectively. Closing the side edges of celluloid covers for ID cards, cards or the like. : de en
  • CH228519A - Steam power plant with at least two feed water tanks. : de en
  • US2328106A - Viscous liquid dispenser : en
  • US2328129A - Drier arrangement : en
  • CA414789A - Electric plug : en fr
  • USD136290S - Design for a dress : en
  • GB555607A - Improvements in, or relating to, liquid fuel injection burners : en
  • US2328175A - Hydrodynamic torque transmitting device, with molded plastic rotor : en
  • US2328201A - Bit control for percussive tools : en
  • CH228392A - Tensioning device for concrete reinforcement wires. : de en
  • CH228421A - Roller mill. : de en
  • CH228509A - Steam power plant. : de en
  • DE738812C - Process for the decomposition of liquid mixtures and solutions by thermal diffusion : de en
  • USD136284S - Design foe a hat : en
  • CA414922A - Graphitic nickel alloy and casting production : en fr
  • CH228494A - Pyrophoric lighter. : en fr
  • US2328323A - Valve mechanism for water softeners : en
  • US2328500A - Endless flat elastic belt : en
  • CA414933A - Bolt anchor : en fr
  • ES161021A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF TRAVIES OF ARMED CONCRETE FOR RAILWAYS : en es
  • US2328415A - Electrical contact clip : en
  • CH228501A - Circulating elevator for people and loads. : de en
  • PL32083B1 - Mechanical ammunition counter : en pl
  • PL32043B1 - Method of hydropolymerization of olefinic hydrocarbons : en pl
  • US2328263A - Windshield safety guard : en
  • CA414908A - Bulkhead construction : en fr
  • CH228432A - Process for the preparation of aromatic hydroxy compounds which are substituted in the o- or p-position to the hydroxyl by an unsaturated, aliphatic radical. : de en
  • CH228470A - Sound recording. : de en
  • BE451490A - : en
  • CA414785A - Hydraulic valve : en fr
  • CA414836A - Guanamine preparation : en fr
  • CA414950A - Projector for page printer : en
  • US2328130A - Method of assembling mechanical refrigerators : en
  • CH228439A - Process for the production of shaped structures. : de en
  • FR884931A - Improvements to spools or spindles for textile or other threads : en fr
  • GB555673A - Improvements relating to the production of printing surfaces : en
  • US2328261A - Mechanical movement : en
  • US2328489A - Devices for controlling the pressure and temperature in altitude cabins, particularly for airplanes : en
  • FR884959A - Continuous furnace with oscillating beam conveyor : en fr
  • GB555625A - Improvements in the production of rubber-like materials : en
  • CH228388A - Rodent control agents. : de en
  • ES160906A1 - IMPROVEMENTS IN THE OBTAINING OF ANTI-CRYPTOGAMIC PRODUCTS AND ESPECIALLY ANTIPERONOSPORIC PRODUCTS BASED ON BETA-NAPHTHOL AND OTHER NAPTHALINE DERIVATIVES : en es
  • PL32073B3 - Method for the preparation of tertiary alcohols of the cyclopentane polyhydrophenanthrene series : en pl
  • FR885085A - New use of a mineral in agriculture : en fr
  • GB555576A - Methods and apparatus for producing finned cylinder barrels : en
  • US2328453A - Floor construction : en
  • FR884885A - Vat dyes, compounds for their manufacture and process for preparing these various products : en fr
  • GB555687A - Improvements in or connected with power-operated presses : en
  • GB555585A - Improvements in and relating to the application of ethylene oxide and carbon dioxide for fumigation purposes : en
  • AU707742A - Improvements inthe manufacture of ampoule type glass containers : en
  • US2328169A - Means for instructing by histophonetics : en
  • US2328416A - Loose-leaf binder : en
  • ES157250A1 - A PROCEDURE FOR MANUFACTURING CELLULOSE PASTA : en es
  • PL32028B1 - Karl Schmidt G. m. B. H., Neckarsulm H fl ^ j 7 / W7 Attaching the crank cover to the head of the lightweight crank rod : en pl
  • DE738888C - Fountain pen with writing tube : de en
  • PL32071B1 - The method of attaching the metal gsiCTclijii tape and the groove for attaching it in this way : en pl
  • US2328221A - Specimen blade sharfener : en
  • US2328231A - Support for filtering apparatus : en
  • BE451473A - : en
  • CH228586A - Device for operating internal combustion engines with acetylene. : de en
  • GB555646A - Improvements in or relating to the enclosing casing of a propeller or impeller : en
  • DE738741C - Support arm on display stands, in particular counter tops : de en
  • GB555649A - Improvements in and relating to electric discharge devices of the liquid cathode type : en
  • ES158909A1 - A PROCEDURE FOR THE MANUFACTURE OF INDIRECT CALDEO CATHODES : en es
  • ES161096A1 - A PROCEDURE FOR THE OBTAINING OF A SUBSTITUTE PRODUCT OF FOREIGN OR COLONIAL COFFEE IN ALL ITS ASPECTS, FORMS, WEIGHTS AND SIZES OF GRAINS, COLOR, AROMA AND TASTE : en es
  • FR885020A - Processes for obtaining strong glues or gelatins for industrial and other use : en fr
  • AU647342A - Ilmprovements redating to centrifugal separatoirs for concentrating slurries : en
  • CA414893A - Shaving implement : en fr
  • US2328090A - Clutch system : en
  • US2328185A - Spinner : en
  • DE738711C - Ramp of a lifting platform : de en
  • CA414947A - Stenciling apparatus : en fr
  • CH228551A - Process for the preparation of p-aminobenzenesulfonyl- (a-aminopyridyl) -methylene sulfonic acid hexamethylenetetramine. : de en
  • DE738883C - Device for shaking silos or the like with falling impact weight : de en
  • DK61274C - Device by Radsaamaskiner. : da en
  • PL31992B1 - Ringhoffer-Tatra Werke f \. G., Praga Arrangement of venting slots in the bonnet of airline vehicles with rear engine, cooled : en pl
  • US2328472A - Split evaporator for cooling systems : en
  • US2328276A - Land mine : en
  • US2328042A - Headband : en
  • AU690742A - Improvements inthe manufacture of metal tubing : en
  • CA414937A - Centrifugal clutch control : en fr
  • US2328216A - Latch construction : en
  • CH228446A - Process for the production of fibers, films and other deformation products with reduced swelling and reduced alkali solubility compared to products made from ordinary viscose. : de en
  • CH228506A - Axial fan with recovery turbine. : de en
  • ES161028A1 - A PROCEDURE FOR ALTERING CELLULOSE : en es
  • FR884901A - Removable wooden bed and box spring : en fr
  • CA414913A - Thermoplastic product : en fr
  • GB555586A - Improvements in or relating to valve devices controlled by fluid pressure : en
  • CA414969A - Woven belt : en fr
  • CH228468A - Method and device for calibrating meters. : de en
  • AU1079943A - Electrodeposition of tin and its alloys : en
  • CA414796A - Lock seam opener : en fr
  • ES160842A1 - INSTALLATION FOR THE PREPARATION AND TREATMENT OF OLIGODYNAMIC FILTERS FOR THE STERILIZATION AND FILTRATION OF CONTAMINATED LIQUIDS : en es
  • FR884908A - : fr
  • US2328254A - Chair bed : en
  • US2328277A - Bomb : en
  • US2328347A - Process of incubation of eggs : en
  • US2328165A - Bag filling apparatus with hand discharge : en
  • FR884884A - Balms, creams, emulsions and the like : en fr
  • ES161054A1 - PROCEDURE FOR THE OBTAINING OF PRODUCTS DERIVED FROM THE MOST, ESPECIALLY SWEETENERS : en es
  • CH228443A - Resin press mix. : de en
  • ES160994A1 - PREPARATOR OF SEED THAT HAS BEEN SERVED BY ASPIRATED AIR : en es
  • FR885087A - Further development of fuel injection pumps for high compression engines : en fr
  • US2328390A - Piston and ring assembly : en
  • CA414864A - Siding panel : en fr
  • DE738906C - Rubber strap showing cord inlays in cross section : de en
  • ES161130A2 - A SPEED CHANGE MECHANISM VIA PULLEYS, WITH A DRIVE BELT THAT PASSES BETWEEN PAIRS OF CONICAL PLATES : en es
  • GB555618A - Apparatus for receiving frequency modulated waves : en
  • FR884971A - piston blank : en fr
  • GB555637A - Improvements in polyphase dynamo electric machines : en
  • DE738820C - Foot-operated high-voltage drive switch for electric vehicles, especially trolleybuses : de en
  • ES160978A1 - A NEW ELECTRICAL TAPPER SYSTEM : en es
  • PL32050B1 - : en pl
  • FR884950A - heat exchanger for water heating systems : en fr
  • US2327988A - Pie pan : en
  • US2328331A - Hair curler : en
  • ES160814A1 - A PROCEDURE FOR THE DISCOLORATION AND IMPROVEMENT OF CURTIENT EXTRACTS : en es
  • FR885031A - Finishing the gear wheels : en fr
  • GB555669A - Improvements in and relating to reinforced plastic material : en
  • ES160850A1 - IMPROVEMENTS IN THE CONSTRUCTION OF SAFETY OR ANTI-DETENNATING CAMERAS : en es
  • CH228477A - Mold for continuous casting of metallic blocks or hollow bars. : de en
  • US2328017A - Package and method of making the same : en
  • US2328205A - Clutch : en
  • DE738826C - Receiving device with facility for automatic sharpening : de en
  • CH228479A - Process for preheating welds, and installation for its implementation. : en fr
  • US2328498A - Combustion control system : en
  • ES161115A1 - PROCEDURE FOR THE PREPARATION OF N- (3,4-DIMETHYLBENZOIL) -P-AMINOBENZOSULFONAMIDE SALTS : en es
  • PL32064B1 - The method of obtaining components of vapor mixtures from the gases containing them : en pl
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  • FR884967A - Manufacturing process of machine parts with parts subjected to friction forces : en fr
  • US2328051A - Wall construction : en
  • US2328117A - Support device for sinking ships : en
  • US2328370A - Keto carboxylic acid derivatives : en
  • PL31999B1 - Ringhoffer-Tatra Werke R. G., Prague Axial blower for a cooled car engine : en pl
  • US2328188A - Dairy animal restraining arm : en
  • PL32040B1 - Charles Baron, Grenoble and Paul Yerola, Paris Explosives and how to make them : en pl
  • US2328465A - Metalliferous substantive dyestuffs : en
  • CA414900A - Textile fibre dyeing process : en fr
  • PL32047B1 - Method of obtaining beryllium and beryllium alloys : en pl
  • US2328213A - Amalgamator : en
  • CH228434A - Process for the preparation of 3-phenylaminotetrahydrofuran. : de en
  • CH228508A - Double-acting rotary lobe compressor with rotary lobe mounted eccentrically in the housing. : de en
  • GB555689A - Apparatus for use in the retreading and repairing of rubber pneumatic tyres : en
  • PL32038B1 - Compagnie pour la Fabrication des Compteurs et Materiel cTUsines a Gas, Interlocking system containing one or more blocking relays for blocking the relay system, protecting the electrical lines from the effects of overcurrents : en pl
  • CA414888A - Double wall discharge device : en fr
  • CA414877A - Insecticidal composition : en fr
  • DE723809C - Voucher device for conveyor vessels : de en
  • DE738798C - Filters, especially for fans of gas protection rooms : de en
  • DE738847C - Cooling device for streamlined motor vehicles : de en
  • ES160963A1 - PROCEDURE FOR MANUFACTURING THE HILL OR TRIMETHYL-ETHANOL-AMMONIUM : en es
  • GB555609A - Improvements relating to filters provided with cleaning means : en
  • ES160872A1 - A DEVICE TO IMPROVE THE DEPARTURE OF SLOPES OF THE FUSION CHAMBER : en es
  • DE738844C - Volume regulator for compressed air supply systems in overpressure cabins of aircraft : de en
  • FR885006A - Smoky blacks perfected : en fr
  • FR885090A - Agglomerate fuel for gasifiers of motor vehicles and method of its manufacture : en fr
  • GB555668A - Improvements in respirators : en
  • CA414830A - Gun fire director device : en fr
  • ES160967A1 - A STRETCHER APPARATUS FOR PRESSURE-SENSITIVE AND CRISP FIBERS : en es
  • ES160920A1 - TELECOMMUNICATION SYSTEM : en es
  • FR884973A - Device for measuring extremely small amounts of radiation : en fr
  • FR884997A - Automatic lubricator for internal combustion engine cylinders : en fr
  • ES160844A1 - PROCEDURE FOR THE TREATMENT OF YARN OF TEXTILE FIBERS OF ANY KIND : en es
  • FR885008A - High pressure pump, rotary drum, with cylinders parallel to the axis of rotation : en fr
  • CA414829A - Cold cement glaze production : en fr
  • ES160825A1 - IMPROVEMENTS INTRODUCED IN THE HEATING OF THE OVENS : en es
  • ES161100A1 - A PERFECTED SEWING MACHINE : en es
  • CA414911A - Inorganic fibre mat coherence increasing apparatus : en fr
  • CH228449A - Lime saturator for use in water purification. : de en
  • ES161016A1 - A SKIRT TIE SYSTEM : en es
  • FR884858A - Hydraulic working cylinder with automatic locking of the piston in any rest position : en fr
  • FR885044A - Pressurized fluid distributor-mixer, the flow rate of which is always proportional to consumption : en fr
  • IE17212L - Digesting fibrous pulp : en
  • US2328369A - Theater sound system : en
  • DE738868C - Pipe connection, especially for furniture legs : de en
  • ES160890A1 - A DEVICE INTENDED TO EXTINGUISH A DISCHARGE PIPE WITH A MERCURY CÁTODO : en es
  • ES161044A1 - A PROCEDURE FOR THE OBTAINING OF PLASTIC MATERIALS (SYNTHETIC RESINS) OF WASTE DISTILLING FROM WOOD AND OTHER MATERIALS OF VEGETABLE ORIGIN : en es
  • US2328514A - Electric vacuum cleaner having a suction set which is movable over the surface to be cleaned : en
  • AU117431B2 - Improvements in methods of apparatus for roasting andor sintering ores andother finely divided materials : en
  • US2327990A - Adjustable mast : en
  • ES160916A1 - IMPROVEMENTS IN ELECTRICAL HEATING ELEMENTS : en es
  • CH228441A - Process for the production of artificial structures. : de en
  • CA414939A - Screw conveyer connection inspection port : en fr
  • DE738786C - Hollow pumice concrete slab impermeable to water : de en
  • CA414797A - Positive displacement pump : en fr
  • US2328152A - Thermostatic unit and connection for electric irons : en
  • ES156940A1 - DISPLACING HEAD FOR TURNING AND THREADING OF CONES APPLICABLE TO AUTOMATIC, MECHANICAL AND REVOLVED LATHES : en es
  • ES158559A1 - PROCEDURE FOR THE MANUFACTURE OF SOPLANTE WHEEL : en es
  • CH228430A - Process for the preparation of acetylene series alcohols. : de en
  • CH228558A - Device for converting a frequency-modulated oscillation into an amplitude-modulated oscillation. : de en
  • FR884897A - Device for hot water production : en fr
  • FR884914A - Enhancements to pliers for castration of animals : en fr
  • ES160992A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • CH228546A - Matrix band holder for dental treatment. : de en
  • ES160799A3 - PROCEDURE TO OBTAIN PERFUMERY AND SIMILAR PASTA AND CREAMS : en es
  • FR885017A - Silhouette photographic recording process : en fr
  • ES160075A1 - A PROCEDURE FOR THE MANUFACTURE OF A BOOK WITHOUT THREAD SEWING : en es
  • FR884892A - Test terminal with fitting protruding from a cover : en fr
  • US2328408A - Golf stroke teaching machine : en
  • FR884874A - Vessel or cauldron of silicon cast iron, acid resistant, heated or cooled by a coil, and method for its manufacture : en fr
  • CH228523A - Slot insulation for electrical machines and apparatus. : de en
  • US2328135A - Supporting means for drawing boards : en
  • US2328319A - Heel : en
  • US2328329A - Lens : en
  • ES160818A1 - PROCEDURE TO OBTAIN A BLEUPHYL BLEACH WITH A BASE WEALTH AND SO2 ADJUSTABLE WITHIN A WIDE LIMIT, ESPECIALLY APPROPRIATE FOR THE TREATMENT OF HIGH SPECIFIC WEIGHT VEGETABLES : en es
  • FR885075A - Powder box : en fr
  • FR885015A - Fuel for engines : en fr
  • DE738773C - Method for cementing Seignette salt crystals : de en
  • US2328397A - Throw-away pallet : en
  • US2328442A - Load-bearing member : en
  • US2328506A - Heater : en
  • ES161030A1 - HYDRAULIC MACHINE FOR GRINDING HOLES : en es
  • DE738863C - Arrangement for feeding an AC power consumption device from a DC power source : de en
  • CH228524A - Coil insulation for electrical machines and apparatus. : de en
  • US2328420A - Compressor : en
  • US2328439A - Heat transfer apparatus : en
  • AU640942A - Improvements in or relating to airconditioning apparatus : en
  • US2328291A - Automatic transmission : en
  • DE738905C - Device for cross-section measurement on thin wires, threads, ribbons or the like. : de en
  • ES160986A1 - A PROPULSOR MOVEMENT APPARATUS WITH A MINIMUM ENERGY CONSUMPTION : en es
  • FR884970A - Automatic firearm with mass lock : en fr
  • FR885037A - Continuous combustion gas turbine at constant pressure : en fr
  • CA414904A - Metal surface protecting method : en fr
  • DE738849C - Anti-skid chain composed of individual parts : de en
  • US2328219A - Light polarizer and process of manufacture : en
  • ES161005A3 - HOME MACHINE FOR THE PREPARATION OF FOOD PASTA : en es
  • ES161009A1 - A RECTIFIER INSTALLATION, SPECIALLY INDICATED TO CHARGE BATTERIES : en es
  • CA414902A - Building unit : en fr
  • PL32014B1 - Vereinigte Oberschlesische Hiittenwerke flktiengesellschaft, Gliwice Chassis for farm wagons : en pl
  • CH228465A - Controller to keep a state variable such as temperature, pressure, humidity constant. : de en
  • ES160964A1 - ELECTRIC METER : en es
  • CA414951A - Printing telegraph projector for page printers : en fr
  • US2328007A - Check valve : en
  • CH228459A - Automatic firearm with sliding barrel. : de en
  • ES160974A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF PAINTS : en es
  • US2328094A - Boat platform for vessels : en
  • US2328528A - Thermometer armor : en
  • FR884924A - Pregnancy Corset : en fr
  • US2328235A - Sitz bath : en
  • CH228560A - Switching device for the dial illumination lamp of an all-current radio receiver. : de en
  • GB555672A - Improvements in or relating to interferometers for determination of length : en
  • US2328398A - Coating composition : en
  • PL32068B1 - Method for the production of chrysene derivatives : en pl
  • US2328487A - Potato slicer : en
  • US2328272A - Cash register : en
  • US2328112A - Die for tube reducing : en
  • US2328371A - Lithographic plate preparation : en
  • US2328380A - Combined business reply post card and envelope : en
  • US2328210A - Kettle : en
  • USD136258S - Design fob a handbag : en
  • CH228505A - Piston conveying machine with at least one closing element controlled automatically by the conveying means. : de en
  • CH228433A - Process for the preparation of 2,4-dibromo-androstanol acetate- (17) -one- (3). : de en
  • ES160936A1 - IMPROVEMENT IN CLAMPS CLAMPS FOR FLEXIBLE PIPES : en es
  • AU122200B2 - Electrodeposition of lead : en
  • PL32001B1 - Device for supplying cooling air to the engine in vehicles, especially with a streamlined engine and rear engine : en pl
  • US2328195A - Refrigeration : en
  • US2328407A - Ground reflector : en
  • US2328531A - Indicating means : en
  • BE449425A - Improvement in the fractionation of substances by dewatering foams : en fr
  • US2328204A - Garage door : en
  • PL32018B1 - Manufacturing method from manganese ores of metallic manganese and possibly pure manganese dioxide : en pl
  • FR884866A - water-in-oil emulsions : en fr
  • GB555648A - Improvements in and relating to the manufacture of cams : en
  • DE738881C - Device for communication between motor vehicles for the transmission of optical overtaking signals : de en
  • ES158306A1 - PROCEDURE FOR THE MANUFACTURE OF CARTON BOXES : en es
  • FR884853A - Device for supplying dough to a dividing chamber : en fr
  • FR885076A - System for fixing the cheeks in the spoked hubs : en fr
  • CH228486A - Filing machine. : en fr
  • ES161013A1 - A SYSTEM TO IGNITE AND AVIVE THE FIRE IN GAS GAS, SPECIALLY INTENDED FOR CAR VEHICLES AND DEVICE FOR ITS REALIZATION : en es
  • US2328394A - Full automatic centrifugal extractor machine : en
  • FR884964A - Foam producing apparatus forming pneumatic jet pump : en fr
  • GB555633A - Improvements in or relating to pneumatic tires : en
  • ES160933A1 - IMPROVEMENTS IN THE MANUFACTURE OF IGNITION PLUGS : en es
  • ES160989A1 - ELECTRIC OVEN FOR THE AFINO OF METALS : en es
  • ES160885A1 - PHASE DISPLACEMENT COMPENSATION DEVICE FOR POTENTIAL TRANSFORMERS : en es
  • GB555598A - Improvements in liquid fuel burners : en
  • PL32048B1 - Hazeltine Corporation, Jersey City, New Jersey. Tuned parallel high frequency vibration circuit and tube generator linkage with such a vibration circuit : en pl
  • ES160822A1 - A RADIOGONIOMETRIC DEVICE : en es
  • US2328021A - Derivatives of amines : en
  • US2328427A - Fruit and vegetable basket and cover : en
  • FR885051A - Cellular construction material for air circulation : en fr
  • GB555651A - An invention relating to engines of the internal combustion type : en
  • AU674442A - Improvements in and relating to starting switches : en
  • FR884879A - Liquid pump, in particular lubricating pump : en fr
  • GB555682A - Means for driving plaster composition mixers and the like : en
  • ES160810A1 - A TORQUE SPRING : en es
  • US2328121A - Tooth mounting : en
  • GR10147B - VALVE AFTER VALVE. : el en
  • FR884920A - Spiral filter to filter air or gases : en fr
  • FR885088A - New fireplace for wood-burning gasifiers : en fr
  • FR884948A - Process and tooling for the production of dental prosthesis parts, in particular crowns : en fr
  • CA414819A - Roller leveler : en fr
  • US2328433A - Tool for removing electrode tips : en
  • CA414808A - Synchronous motor : en fr
  • CH228516A - Starting device on internal combustion engines intended for driving vehicles in particular. : de en
  • PL32007B1 - Daimler-Benz flktiengesellschaft, Stuttgart — Unterturkheim "* ^ fff Fuel filter for injection nozzles> j f / bL ** : en pl
  • CA414871A - Electric lamp terminal structure : en fr
  • CH228537A - Short wave tube for decimeter and centimeter waves. : de en
  • DE738598C - Belt conveyor for mining operations : de en
  • ES161084A3 - IMPROVEMENTS IN THE MANUFACTURE OF ELECTRIC BURNERS : en es
  • DE738302C - Device for slitting and pushing pipe ends out of a wall, in particular from a drum wall of a water tube boiler : de en
  • CH228553A - Arrhythmic printing telegraph usable at will for covert transmission or plain language transmission. : en fr
  • CA414915A - Flasher switch : en fr
  • FR884966A - Self-lubricating capillary pad : en fr
  • FR885035A - Further training in so-called gas generator installations : en fr
  • CA414850A - Sight for guns : en fr
  • US2328131A - Oil filter : en
  • US2328330A - Rubber bushed joint : en
  • US2328396A - Full automatic centrifugal extractor machine : en
  • USD136262S - Design for a pitcher or similar article : en
  • PL31998B1 - Unit for air cooling of car engines in rear engine vehicles : en pl
  • CA414931A - Postal machine setting mechanism : en fr
  • CA414865A - Dry battery cell making machine : en fr
  • PL32035B1 - : en pl
  • FR884989A - Mixing device for acetylene or other gas used at reduced pressure as fuel : en fr
  • GB555702A - Improvements in battery charging equipment : en
  • US2328481A - Bituminous emulsion and method of producing : en
  • AU117416B2 - Improvements in valves for pneumatic tyres and other articles : en
  • FR884981A - Advanced training in the construction of coach bodies, trams, electrobus, trolleybuses, buses, road trailers, and in all rolling stock : en fr
  • CH228532A - Process for the production of wall parts made of glass, in particular electrical discharge vessels. : de en
  • CA414878A - Window shade material : en fr
  • CH228401A - Locking and locking device for a pair of shutters. : de en
  • CH228498A - Stepless change gear. : de en
  • CH228562A - Oscillator for transmitters or heterodyne receivers for ultrashort and shorter waves. : de en
  • FR884881A - Method and device for magnetic sound recordings for stereophonic reproduction : en fr
  • CH228402A - Process for producing glass films by blowing. : de en
  • ES161003A1 - SUSPENSION MECHANISM FOR BICYCLES AND ANALOG VEHICLES : en es
  • ES161078A1 - A CONSERVATIVE APPARATUS OF SOLID CARBON GAS, USING ITS EXHAUST FOR A FRIDGE OR ANY OTHER ADEQUATE CONTAINER : en es
  • FR884918A - Umbrella, or others, with displacement spring : en fr
  • GB555678A - Roofing farm silos : en
  • US2328083A - Mattress or the like : en
  • ES160895A1 - A PROCEDURE TO REINFORCE THE EFFECT OF PLASTIC REPRESENTATIONS RELIEF : en es
  • US2328180A - Apparatus for the control of highway crossing signals : en
  • PL32049B1 - S-te fl-me Securifs E. D. L. C, Paris Outer part for the nut, secured against self-unscrewing even with the most abrupt vibrations, and the method of its production : en pl
  • US2328284A - Optical instrument : en
  • US2328503A - Butcher block : en
  • ES160847A1 - IMPROVEMENTS IN THE PLOWS : en es
  • ES161012A3 - NEW SYSTEM OF MILL COUNTER APPARATUS : en es
  • FR884919A - Adjustable carbonization furnace with recovery of tars and pyroligneous liquids : en fr
  • DK61266C - Bicycle dynamo with rotating Star Magnet. : da en
  • GB555579A - Improvements in or relating to colour filters : en
  • ES161131A1 - AN ASSEMBLY CONTAINING TWO DISCHARGE TUBES WITH WALL OF INSULATING MATERIAL : en es
  • FR884859A - Machine for stripping drawn and rolled products by mechanical friction action : en fr
  • FR885050A - Automatic lubricator for the top of cylinders of all kinds of engines : en fr
  • ES157807A1 - A MECHANISM FOR THE ADAPTATION OF SOFT METAL PARTS OR CARTOON SUSTAINABILITIES OR ANALOGUE MATERIAL : en es
  • US2328057A - Pressure-sensitive adhesive sheet : en
  • US2328468A - Coupling device for the assembly of tubular elements : en
  • USD136267S - Dispenser for paper napkins : en
  • US2328411A - Convertible couch structure : en
  • ES160849A1 - IMPROVEMENTS IN HOUSEHOLDS FOR BURNING HUSKS, PIGS AND OTHER COMBUSTIBLES : en es
  • US2328049A - Shoe construction : en
  • US2328351A - Polymerized chloroprene compositions : en
  • US2328510A - Dihalo-ethylene copolymerization product : en
  • US2328265A - Process of treating fruit : en
  • US2328455A - N-alkali metal-n, n-dihalogen acylsulphanilamides : en
  • GB555653A - Improvements relating to hones : en
  • ES160839A1 - A PROCEDURE FOR THE MANUFACTURE OF ELECTRODES FOR ELECTRIC WELDING : en es
  • ES161082A1 - A DISHWASHER MACHINE FOR SIMULATED PITCH SHOOTING : en es
  • GB555606A - Improvements in the preparation of sisal fibre : en
  • PL32080B1 - Micp F4le hy ^ O Rheinmetall-Borsig flktiengesellschaft, Dusseldorf Actuator according to Leonard's system, especially for actuating gun interlocks or turret turning machines : en pl
  • DE738765C - Monitoring device for steam trap : de en
  • FR885021A - Device of a hutch assembly to facilitate, develop and popularize rabbit breeding : en fr
  • AU117434B2 - Ilmprovements redating to centrifugal separatoirs for concentrating slurries : en
  • AU117423B2 - Improved rotor ventilator : en
  • CA414792A - Knitted article : en fr
  • DE738874C - Welded connection between flange and web plate of beams : de en
  • AU117408B2 - Improvements in and relating to starting switches : en
  • ES160926A1 - CARBURING PROCEDURE WITH YOUR DEVICES, FOR GASOLINE-FUELED EXPLOSION ENGINES AND OTHER FUELS : en es
  • CH228462A - Device indicating the level of a tank. : en fr
  • CA414891A - Filament lamp testing machine : en fr
  • ES157709A3 - A PROCEDURE TO REPAIR OVENS AND APPLIANCES FOR HEAT TREATMENT DURING WORK AND ESPECIALLY FOR MARTÍN OVENS : en es
  • ES160813A3 - IMPROVEMENTS IN THE MECHANISMS FOR SOUND READING IN CINEMATOGRAPHIC FILMS : en es
  • ES160985A1 - PROCEDURE FOR CONTINUOUSLY REGENERATING THE SPINNING BATHING DISSOLUTIONS SPENT ON THE PRODUCTION OF ARTIFICIAL FIBERS AND FILMS BY THE VISCOSE METHOD : en es
  • ES160882A1 - PROCEDURE FOR THE OBTAINING OF POSITIVE PHOTOGRAPHIC, SUBSTRATE IMAGES, IN COLORS : en es
  • PL32019B1 - Daimler-Benz Aktiengesellschaft, Stuttgart — UnUrtiirkheim Relief valve in n feg fuel injection pumps $> $ : en pl
  • CA414935A - Airscrew : en fr
  • CA414880A - Detergent : en fr
  • PL32062B1 - Radio Corporation of America, New York, N. Y. Radio reception system with electronic tuning indicator : en pl
  • US2328256A - Laundry apparatus : en
  • CA414835A - Roofing felt : en fr
  • CA414892A - Electrographitic material processing : en fr
  • US2328072A - Fan : en
  • USD136268S - Design for a brooch or similar article : en
  • BE451576A - Paper match stick and method of making it : en fr
  • CA414855A - Universal joint : en fr
  • CH228578A - Pantographs for electric trolley vehicles. : de en
  • ES160868A1 - PROCEDURE FOR THE PRECIPITATION OF IODINE THROUGH THE USE OF THE CELLS OR CONCAVITIES OF ANY MATERIAL USED AS A VEHICLE OF PREFERENTIALLY THERAPEUTIC APPLICATION : en es
  • CH228527A - Device for the automatic adjustment of contact organs. : de en
  • CH228539A - Circuit for supplying direct current consumers with constant current via power converters. : de en
  • CA414867A - Resinous composition : en fr
  • US2328406A - Pressure relief expansible reservoir for condition responsive indicating devices : en
  • US2328239A - Projector shutter : en
  • US2328318A - Circuit breaker contact : en
  • DE738760C - Working arm with grippers for diving chambers : de en
  • DK61270C - Blinds, in particular Blackout blinds. : da en
  • ES161042A1 - A PROCEDURE FOR THE OBTAINING OF PLASTIC MATERIALS (SYNTHETIC RESINS) FROM WASTE DISTILLING FROM WOOD AND OTHER MATERIALS OF VEGETABLE ORIGIN : en es
  • US2328480A - Register rail for double printing : en
  • ES5133Y - New suction cup. : en es
  • CA414957A - Power transmission mechanism : en fr
  • FR884852A - Method for protecting the interior surface of gasoline tanks and liquid fuel lines from rust : en fr
  • FR884990A - New product presented in the form of agglomerated grains, for use in gasifiers : en fr
  • AU667642A - Improvements in winches, hoists andthe like : en
  • ES160902A1 - A VALVE FOR SHORT WAVES : en es
  • US2328211A - Microscope : en
  • US2328316A - Crib : en
  • US2328428A - Gravity separator for coal : en
  • DE738823C - Frequency converter : de en
  • ES161024A1 - TELECOMMUNICATIONS TRANSMISSION SYSTEM WITH FIXED TENDERED CABLES WITH PUPPED TRANSFER LINES AND WITH INTERMEDIATE AMPLIFIERS CONNECTED AT CERTAIN DISTANCES : en es
  • FR884956A - Cathode ray tube : en fr
  • AU609442A - Improvements in methods of apparatus for roasting andor sintering ores andother finely divided materials : en
  • AU117430B2 - An improved pneumatic wheel : en
  • DE738862C - Device for determining the side of a DF system : de en
  • CA414873A - Cupola : en fr
  • CH228464A - Control device to keep a state variable such as temperature, pressure, humidity constant. : de en
  • CH228485A - Automatic reversing threading machine. : en it
  • ES157840A1 - A PROCEDURE FOR THE MANUFACTURE OF RESIN OILS OR SIMILAR SUBSTANCES : en es
  • ES160857A1 - A DEVICE INTENDED TO PRODUCE VERY HIGH FREQUENCY OSCILLATIONS : en es
  • ES161055A1 - PROCEDURE FOR THE OBTAINING OF NEW PRODUCTS DERIVED FROM SULFAMIDES : en es
  • FR884968A - Circular saw for wood with tilting support for workpieces : en fr
  • US2328099A - Wardrobe case cover stay device : en
  • CH228450A - Process for the production of phosphate layers on metals. : de en
  • CH228454A - Light-sensitive photographic element. : en fr
  • CH228504A - Vacuum packing press for fruit juice extraction. : de en
  • CA414854A - Centreless turning machine : en fr
  • CH228456A - Filling pencil with device for attaching the lead to the lead pusher rod. : de en
  • BE451336A - : en
  • CH228526A - Electrical insulator. : en fr
  • ES160812A1 - IMPROVEMENTS IN THE CONSTRUCTION OF SHEARS TO CUT METAL PLATES : en es
  • ES160925A1 - A PROCEDURE TO ELIMINATE BY WASHING THE FLUOR, THE CHLORINE AND SIMILAR CONTACT POISONS, OF GASES OF TOSTATION OF WHICH THE FOLLOWING ACT HAS TO BE ELIMINATED THE ARSENIC BY ELECTRIC WAY : en es
  • CH228582A - Process for the preparation of a compound of the diaryl series. : de en
  • ES160869A1 - SELF-REGULATING DEVICE FOR THE BEARING OF BALL BEARINGS : en es
  • DE738836C - Wide threshing machine : de en
  • GB555603A - Improvements in protective electrical interlocking systems : en
  • DE712295C - Swimming fin to be used on the forearm : de en
  • DE738830C - Reinforced concrete reinforcement for bombproof and bulletproof structures : de en
  • DE738759C - Row drop device for bombs and other loads that can be dropped by an aircraft : de en
  • PL32017B1 - Manganese purification method : en pl
  • FR884889A - Wheel for pipe cutters : en fr
  • ES161133A3 - INSTALLATION APPARATUS SYSTEM FOR LAYING ON THE PLASTER, INSIDE THE PLASTER AND COMPLETELY INLET : en es
  • ES157104A1 - PROCEDURE FOR THE PREPARATION AND PACKAGING IN BLOCKS OR BREADS OF SARDINES SALADAS, PRENSADAS, ESTIVADAS Y MOLDEADAS : en es
  • DE738730C - Mirror visor with beam path adjustable according to lead values : de en
  • ES161083A1 - AN ELECTRO-SENSITIVE DEVICE, APPLICABLE TO ALARM APPARATUS : en es
  • ES161046A1 - IMPROVEMENTS INTRODUCED IN THE CIRCUITS DESIGNED TO PREVENT THE SURPLUSION OF CERTAIN TEMPERATURES IN ELECTRIC OVENS : en es
  • FR884935A - Long-lasting materials : en fr
  • CH228390A - Parquet floor. : de en
  • US2328392A - Power transmission : en
  • FR884991A - Apparatus for the instantaneous transformation of crude oil into gaseous fuel : en fr
  • DE738917C - Box for ampoules and like : de en
  • DE738778C - Process for the production of core wire electrodes : de en
  • GB555700A - A protection shield for aircraft : en
  • GR10146B - METHOD AND INSTALLATION FOR CAPPING THE BOTTLES. : el en
  • GB555695A - Improvements in or relating to hydraulic jacks for aircraft and the like : en
  • US2328436A - Filter apparatus : en
  • ES160886A1 - NEW APPLIANCE APPLICABLE TO ALL KINDS OF EXPLOSION ENGINES TO IMPROVE THEIR OPERATION : en es
  • DE738755C - Lay wheel : de en
  • ES161143A3 - IMPROVEMENTS INTRODUCED IN THE MECHANISM NECESSARY FOR THE MANEUVERING OF THE MECHANICAL INTERLOCKS OF THE LEVER SIGNALING DEVICES : en es
  • US2328005A - Engine lubricator : en
  • US2328401A - Filling machine : en
  • CA414905A - Sedimentation apparatus : en fr
  • ES161137A1 - IMPROVEMENTS IN THE MANUFACTURE OF OCULAR WINDOWS FOR ANTIGAS CARETAS : en es
  • CH228569A - Insert for converting a beaded rim into a wire-clad rim. : de en
  • US2328227A - Transmission control : en
  • FR885049A - Secret padlock : en fr
  • FR885084A - New method of preserving cultivated plants against bad weather and parasites : en fr
  • ES160942A3 - A GEAR CHANGE MECHANISM WITH SPROCKET WHEELS OR MOVING CLUTCH BODIES, DRIVEN BY A ROTARY CONTROL BODY : en es
  • GB555720A - Method of soldering foils of aluminium and aluminium alloys and a solder for use in such a method : en
  • CA414790A - Facsimile recorder : en fr
  • CH228400A - Cremone bolt for windows, doors etc. : de en
  • US2328183A - Coating apparatus : en
  • USD136289S - Design fob a dress : en
  • ES160988A1 - PROCEDURE FOR THE MANUFACTURE OF COMBUSTIBLE AGGLOMERATES : en es
  • AU117425B2 - Television transmitting system : en
  • FR884861A - Water closet bowl and flushing device : en fr
  • CH228548A - Process for the production of trans-estradiol from cis-estradiol. : de en
  • PL32042B1 - Jan Cirin, Lviv Folding shoes : en pl
  • US2328113A - Heating unit assembly : en
  • US2328250A - Barium sulphate pigments and process for preparing them : en
  • ES161051A1 - AN INSTALLATION OF MECHANICAL TELEGRAPH OR FOR MACHINES : en es
  • PL32041B1 - Hazeltine Corporation, Jersey City, N. Y. Discharge Lamp : en pl
  • ES161126A1 - IMPROVEMENT IN THE THERMO-ELECTRICAL SYSTEM, AUTOMATICALLY CONTROLLED, TO REDUCE THE INTENSITY OF THE CURRENT, USED TO HEAT THE TUBES USED IN THE PERMANENT HAIR WAVE, AT A MOMENT GIVEN : en es
  • US2328111A - Lead extension : en
  • US2328181A - Garment construction : en
  • US2328534A - Rubber derivative product : en
  • CA414831A - Printing device : en fr
  • CA414917A - Sheet material impregnating and coating apparatus : en fr
  • US2328163A - Measuring instrument : en
  • PL32025B1 - A method of softening polyvinyl compounds : en pl
  • CA414967A - Electrotherapeutic apparatus : en fr
  • US2328243A - Chair : en
  • US2328467A - Refrigerator : en
  • US2327981A - Calculating machine : en
  • US2328384A - Airplane stall and high-speed indicating apparatus : en
  • US2328127A - Sucker rod stripper : en
  • US2328146A - Typewriting machine : en
  • CA414812A - Nut lock : en fr
  • US2327982A - Surveying instrument : en
  • US2328048A - Fountain implement : en
  • USD136296S - Sznycer airplane glider : en
  • ES159305A1 - A PROCEDURE FOR MANUFACTURING ARTIFICIAL FIBERS BY THE SPRAY PROCEDURE IN DRY VACUUM : en es
  • ES160880A1 - PROCEDURE FOR OBTAINING A CORD : en es
  • FR884882A - Pressure oil control valve for motor vehicle brakes and couplings : en fr
  • IE16617L - Selector switches : en
  • US2328126A - Pneumatic mote control : en
  • DE738771C - Mechanical driving lock for locomotives, especially those moving in two directions : de en
  • US2328335A - Flexible winding spool : en
  • USD136265S - Design for a badge or the like : en
  • CH228472A - Device on a clock to display the expiry or Winding condition of the watch. : de en
  • DE738805C - Outer sleeve for pneumatic tires : de en
  • ES160927A1 - IMPROVEMENTS IN DEPOSIT GRAMOPHONES : en es
  • ES161081A1 - PROCEDURE FOR THE MANUFACTURE OF BALINES FOR SALON ARMS USING COMPRESSED AIR : en es
  • GB555652A - Improvements in sleeping tents for automobiles : en
  • CA414826A - Fabricated wood beam : en fr
  • FR885011A - Improvements in coupling devices for accumulators intended for electric traction vehicles : en fr
  • DE738882C - Shaft conveyor vessel : de en
  • GB555612A - Improvements in and relating to fumigating and disinfecting apparatus : en
  • US2328070A - Shoe sewing machine : en
  • US2328460A - Density measuring apparatus : en
  • US2328495A - Method and apparatus for nut manufacture : en
  • US2328202A - Process for producing magnesium metal : en
  • US2328189A - Refrigeration : en
  • US2327991A - Cigar and cigarette : en
  • US2328387A - meats : en
  • ES160827A1 - NEW EASILY REMOVABLE BARRACON SYSTEM, ESPECIALLY OF METALLIC CONSTRUCTION : en es
  • FR884893A - Catgut treatment process : en fr
  • US2328381A - Pipe joint : en
  • USD136277S - Design for an airplane : en
  • GB555602A - Improvements in crucible furnaces : en
  • CH228422A - Sieve for granulated materials. : en fr
  • US2328050A - Conveyer : en
  • CA414925A - Rotary pump : en fr
  • DE738818C - Arch bridge : de en
  • ES161145A3 - DEVICE FOR MANEUVERING, INTERLOCKING AND CHANGING RAILWAYS : en es
  • CA414811A - Diary or note-book : en fr
  • CH228455A - A method of forming a photographic image by means of reflection printing. : en fr
  • CH228585A - Internal combustion engine system with supercharging. : de en
  • DE738813C - Process for revitalizing catalysts contaminated by carbon or tar deposits : de en
  • FR884875A - Container, tube or other device for liquids or frame of cast steel with a high percentage of silicon : en fr
  • FR885064A - Improvements in fastening systems for watch straps and the like : en fr
  • FR885100A - Rotary armature electromagnet switch : en fr
  • US2328336A - Safety razor : en
  • US2328363A - Dispensing device for filling grease guns and the like : en
  • CH228493A - Device comprising a reservoir, the interior of which is stuffed with a material capable of absorbing a flammable liquid, and a wick penetrating into said reservoir. : en fr
  • ES160917A1 - IMPROVEMENT IN APPARATUS FOR THE PREPARATION OF INFUSIONS, ELECTRICAL OPERATION AND DESPROVISTOS DE CALDERA : en es
  • PL32072B1 - Bendix flviation Corporation, Chicago, Illinois (f A measuring instrument based on measuring pressure by means of at least one elastic membrane flexing from it, with automatic compensation for errors or errors caused by temperature changes : en pl
  • ES161103A1 - IMPROVEMENTS IN THE MANUFACTURE OF METAL CONTAINERS FOR CANNED PRODUCTS : en es
  • US2328109A - Divisible paper web : en
  • ES155252A1 - IMPROVEMENTS IN THE CONSTRUCTION OF SOLID AND REMOVABLE CONSTRUCTION WALLS, MADE AT LEAST IN PART OF ARTIFICIAL SUBSTANCE : en es
  • FR884960A - Rotary drum for heat treatment of all types of materials : en fr
  • FR885063A - Secret telegraphy method and devices : en fr
  • CA414832A - Printing machine : en fr
  • CH228517A - Steam-gas thermal power plant. : de en
  • CA414958A - Power transmission mechanism : en fr
  • CA414779A - Ironing press : en fr
  • CA414810A - Iron article metalization or aluminization : en fr
  • CA414851A - Optical observation instrument : en fr
  • CH228409A - Process for producing a highly curled synthetic fiber flake. : de en
  • US2328147A - Fuel mixture : en
  • US2328132A - Relief valve : en
  • US2328253A - License plate : en
  • US2328238A - Suction cleaner : en
  • US2328391A - Riveting tool : en
  • FR884905A - Device for transmitting frequency modulated carrier oscillations : en fr
  • GB555613A - A new or improved cloche : en
  • FR884869A - Multi-piece diaphragm speaker : en fr
  • FR884929A - Lighting device intended in particular for projection : en fr
  • FR885005A - Dosing mixer for gaseous fuels applicable to internal combustion engines : en fr
  • DE738792C - Einrenk connection for pipes : de en
  • DE738851C - Closure for goods bags, especially flour bags : de en
  • FR884985A - Device for supplying combustion engines with the aid of a combustible gas such as acetylene : en fr
  • US2328155A - Expansion joint : en
  • FR885036A - Continuous dough mixer for pasta, intended for feeding a continuous press : en fr
  • GB555703A - Improved muffle kiln : en
  • ES160650A3 - ARTICULATED ELEMENTS DISPOSITION APPLICABLE TO THE MANUFACTURE OF DOLLS : en es
  • GB555577A - Method of and means for pumping a fluid and promoting constancy of flow of the fluid pumped : en
  • GB555659A - Improvements in or relating to calculating or like machines : en
  • FR885062A - Automatic double safety valve for explosion engines : en fr
  • CA414813A - Lubricator for wood surfaces, etc. : en fr
  • US2328035A - Snow ring or wheel : en
  • US2328025A - Process for the production of yeast having high vitamin b1 potency : en
  • US2328283A - Disconnect switch : en
  • US2328352A - Liquid composition containing polymerized chloroprene : en
  • USD136292S - Design fob a dress : en
  • FR885033A - Improvements to gasifiers : en fr
  • FR885097A - Treatment of objects based on polyvinyl chloride : en fr
  • US2328502A - Measuring air-fuel ratio : en
  • US2328128A - Sewing mechanism : en
  • PL32011B1 - Daimler-Benz flktiengesellschaft, Stuttgart-Unterturkheim Injection nozzle : en pl
  • PL32070B1 - MICP f / flJr 43/00 Sageb Societe Rnonyme de Gestion et d, Exploitation de brevets, Freiburg Missile containing a rocket charge : en pl
  • GB555631A - Improvements in high-frequency electrical measuring systems : en
  • GB555599A - Improvements in cloth-cutting machines : en
  • GB555684A - Improvements in and relating to rotary plug cocks and like closure members : en
  • US2328259A - Polar coordinate cathode-ray tube : en
  • US2328409A - Stretcher : en
  • ES161121A1 - NEW DOUBLE-RUN DRILLING MACHINE SYSTEM : en es
  • FR884954A - Audiometer : en fr
  • FR885014A - Armatures allowing the connection of small section aluminum conductors to terminals : en fr
  • GB555644A - Improvements in or relating to mechanical loaders for loose materials : en
  • GB555693A - Contact-spring pile-ups for electric switching devices : en
  • PL32056B1 - Societe flnonyme pour les Applications de 1'Electricite et des Gaz Rares Etablissements Claude — Paz & Silva, Paris Luminous mass : en pl
  • FR884938A - Process for improving synthetic materials obtained from albuminoid substances, polyamides or products resulting from a mixture of these components, as well as articles made from said materials such as threads, strips and films : en fr
  • CA414852A - Lens for optical observation instruments : en fr
  • GB555683A - Improved mixer for plastic compositions capable of rapidly setting to a solid mass : en
  • BE451560A - Beta-halogenated acoyl chlororcarbonates and method for preparing these products : en fr
  • CA414919A - Engine charge temperature control device : en fr
  • CH228403A - Process for the production of a synthetic fuel. : de en
  • BE451350A - : en fr
  • US2328474A - Stretching device : en
  • AU645442A - Improvements in or relating to fluid pressure or fluid flow indicators : en
  • BE451420A - Lubricants prepared from benzol for debenzolizing : en fr
  • CH228545A - Frame for clamping and holding beaded pipettes for measuring the rate of sedimentation of blood cells. : de en
  • CH228389A - Device for spreading means for combating pests living in corridors. : de en
  • PL32030B1 - : en pl
  • US2328012A - Traveling case for portable radio receivers : en
  • AU117420B2 - Improvements in return smoke tube boilers and steam superheaters for use therewith : en
  • CA414946A - Railway car side door : en fr
  • CH228568A - Puncture-proof elastic tire for cycle, motorcycle and other vehicle wheels. : en fr
  • US2328086A - Inseam joint forming machine : en
  • US2328207A - Hair drying hood : en
  • CA414816A - Tagline device : en fr
  • CA414833A - Calculating machine : en fr
  • DE738854C - Electric high-voltage switchgear of the cell design with double busbar system : de en
  • BE451683A - OILY CLOTH CLEANING PROCESS : en fr
  • CH228544A - Small machine, especially for hand drive. : de en
  • FR885030A - Improvements to gyroscopic verticals : en fr
  • PL32023B1 - Method for dyeing fibers, threads, yarns, ribbons, fabrics, etc., of glass and similar mineral materials : en pl
  • PL32013B1 - : en pl
  • PL32086B1 - : en pl
  • CH228481A - Non-metallic working device. : de en
  • ES160875A1 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 159025 : en es
  • CH228536A - Capacitor arrangement with adjustable capacitance. : de en
  • PL32081B1 - A method of making soap : en pl
  • DE738808C - Grinding wheel : de en
  • ES160950A1 - A ROTATING KETTLE TO PREPARE MATERIAL OF FIBERS CONTAINING CELLULOSE : en es
  • ES160587A3 - AN IMPROVEMENT IN THE CONSTRUCTION OF REINFORCED CONCRETE FLOOR : en es
  • ES160837A3 - A FLEXIBLE METALLIC TUBE MANUFACTURING SYSTEM : en es
  • DE738935C - Arrangement for interference suppression when switching on contacts in low-voltage systems : de en
  • US2328417A - Ingot mold : en
  • ES161019A1 - A RECTIFIER INSTALLATION, ESPECIALLY FOR GREAT POWERS : en es
  • GB555663A - An improved apparatus for course and position recording in aerial navigation : en
  • GB555715A - An improvement in or relating to wire-drawing machines : en
  • CA414897A - Limiting amplifier : en fr
  • US2328242A - Sole : en
  • CH228577A - Device for automatic on or Switching off the light on rail vehicles. : de en
  • US2328193A - Vegetative propagation of plants : en
  • US2328093A - Kite-type sewer washer : en
  • US2328311A - Hydraulic hoisting and rotating apparatus : en
  • US2328354A - Baby feeding device : en
  • GB555696A - An improved artillery projectile : en
  • DK61268C - Electric Flow Heater with Induction and Edge Current Heating. : da en
  • US2328507A - Tire stripping vulcanizing press : en
  • US2328016A - One-way detachable snap fastener : en
  • US2328079A - Means for preventing ice formation on aircraft wings : en
  • DE738731C - Definition of the work area of computing devices for target devices : de en
  • ES160840A1 - AN ADJUSTABLE NOZZLE MECHANISM FOR THE COVERING OF NUCLEI IN THE MANUFACTURE OF ELECTRODES : en es
  • US2328244A - Circular saw machine : en
  • US2328304A - Counter : en
  • US2328310A - Hingedly mounted telephone accessory shelf : en
  • US2328505A - Alkanol amine salts of dinitrophenols : en
  • CH228550A - Process for the preparation of stable alkali metal humate solutions containing alkaline earth salts and having good wetting properties for therapeutic purposes. : de en
  • AU117417B2 - Improvements inthe manufacture of metal tubing : en
  • US2328473A - Electrical system : en
  • CA414954A - Reverse power relay : en fr
  • AU117429B2 - Improvements in or relating to means for supplying heated air to furnace and the like fires : en
  • DE738870C - Method and device for the production of beryllium, magnesium and alkaline earth metals by fused-salt electrolysis : de en
  • GB555608A - Improvements in nuts : en
  • GB555719A - Improvements in or relating to regulator valve apparatus for locomotives : en
  • CA414870A - Electric circuit interrupter : en fr
  • FR884934A - Balanced modulator for powerline communications, in particular harmonic telegraphy : en fr
  • ES161034A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • US2328062A - Certain water-soluble high molal oxyalkylated esters and method of making same : en
  • AU117422B2 - Improvements in and relating to pumps : en
  • CA414970A - Grinding and polishing machine : en fr
  • ES160957A1 - IMPROVEMENTS IN HAMMER TIRES : en es
  • FR884890A - Support for the suspension clamp of the contact wire of the electric traction lines : en fr
  • US2328119A - Display container : en
  • CH228555A - Circuit arrangement in telephone systems with main and sub-offices. : de en
  • DE738871C - Technical inner tube : de en
  • ES160832A1 - PROCEDURE FOR THE MANUFACTURE OF FERTILIZERS : en es
  • PL32075B1 - Rheinmetall-Borsig flktiengesellschaft, Dusseldorf Drive according to the Leonard system, in particular for actuating gun interlocks or turret turning machines : en pl
  • ES159749A1 - A PROCEDURE FOR THE MANUFACTURE OF A CARBON ELECTRODE ACTIVATED CATALYTICALLY BY PRECIOUS METAL, ESPECIALLY TO PERFORM ELECTROCHEMICAL PROCESSES : en es
  • US2328374A - Device for aiding in hairdressing : en
  • CA414923A - Anti-friction bearing : en fr
  • CA414807A - Relief valve for steam or pressure vessels : en fr
  • ES159928A1 - A SYSTEM OF PRODUCTION AND USE OF VEGETABLE GAS CHEMICALLY PURE, FROM WOODS AND CHARGES PROPERLY COMPRESSED IN VESSELS : en es
  • AU689642A - Improvements in valves for pneumatic tyres and other articles : en
  • CA414822A - Multi-jawed coupler : en fr
  • US2328046A - Toaster : en
  • US2328124A - Steam generating electric iron : en
  • CH228559A - Device for tuning radio sets with spread spectrum. : de en
  • CH228583A - Process for the production of a soluble synthetic resin mixture from thiourea and acrolein. : de en
  • CH228570A - Device to prevent theft of a vehicle. : en fr
  • DE738756C - Self depositors for threshing machines : de en
  • DE738833C - Pressing device for gluing synthetic resin film onto the thread : de en
  • ES160831A1 - PERFECTED PRESS FOR EXPRESSING THE OILS OF GRAINS OR FRUITS : en es
  • GB555707A - Improved method and means for renewing web rolls in printing and other machines : en
  • BE451689A - : en fr
  • US2328134A - Mining machine chain bit and holder therefor : en
  • AU608342A - An improved pneumatic wheel : en
  • CA414777A - Electrical communication system : en fr
  • CH228540A - Process for the production of glass parts of discharge tubes. : de en
  • US2328078A - Apparatus for drying wire screen cloth : en
  • US2328172A - Warning signaling system : en
  • CH228428A - Process for the production of highly concentrated alkali solutions by decomposing alkali amalgam. : de en
  • ES160922A1 - PROCEDURE FOR THE MANUFACTURE OF A FOOD AND MEDICINE PRODUCT : en es
  • US2328092A - Fluid operated clutch : en
  • US2328450A - Carrier frequency system : en
  • CH228520A - Compression cooling system with reciprocating compressor. : de en
  • AU474742A - Improved method of manufacturing a cathode of indirectly heated-type : en
  • GB555623A - Combined mechanically and electro-magnetically operated valve : en
  • DE738840C - Process to improve the durability of water-attracting substances : de en
  • US2328530A - Steam generator : en
  • US2328198A - Low electrical resistance paper and method of making same : en
  • DK61262C - Cover for Books or Boxes. : da en
  • US2328160A - Fluid sealing device : en
  • US2328461A - Continuous recorder for color changes : en
  • FR884860A - Manufacturing process of woolly synthetic fibers : en fr
  • PL32029B1 - Maybach-MotorenbauGesellschaftmitbeschrankterHaftung, Friedrichshafena / B. Roller bearing ring for great speeds and loads : en pl
  • DE738623C - Circuit arrangement for telephone systems with main and sub-offices : de en
  • ES159232A1 - PROCEDURE FOR THE PREPARATION OF PIGMENTS IN ORDER TO IMPROVE THEIR DENTAL PROPERTIES : en es
  • CA414823A - Multi-jawed coupler : en fr
  • US2328150A - Condenser leadin for high electric potentials : en
  • US2328496A - Magnetostrictive microphone : en
  • FR884925A - Molding process of artificial materials and metals by extrusion and injection : en fr
  • FR885034A - Gas mixer for supplying internal combustion engines : en fr
  • CA414930A - Aircraft instrument : en fr
  • US2328179A - Alternating electric current rectifier of the selenium type : en
  • US2328013A - End fitting for high pressure hose : en
  • USD136254S - Design for an embossed leather : en
  • US2328075A - Heel-end lasting machine : en
  • CH228587A - Device for the transmission of messages. : de en
  • GB555721A - Electric selecting systems : en
  • PL32008B1 - A method for producing flat glass and an apparatus for carrying it out : en pl
  • ES161106A1 - IMPROVEMENTS IN THE MANUFACTURE OF COMPRESSABLE PIPES : en es
  • US2328015A - Pea hulling machine : en
  • US2328058A - Manufacture of hydraulic cement products : en
  • DK61263C - Snow fence. : da en
  • ES160874A1 - A MANUFACTURING PROCEDURE, OF WHITE FOUNDRY, RESISTANT OBJECTS TO WEAR, TO CRUSHING AND TO THE FORMATION OF CRACKS : en es
  • FR885053A - Improvements dropper : en fr
  • CA414872A - Motor control system : en fr
  • CH228552A - Process for the production of foam for technical purposes, in particular extinguishing purposes. : de en
  • US2328199A - Embalming apparatus : en
  • US2328402A - Mineral jig : en
  • ES160968A1 - A DEPOSIT AND SIMILAR FOR LIQUIDS OF CORROSIVE EFFECT : en es
  • PL32054B1 - Electric voltage indicator device : en pl
  • AU1080043A - Electrodeposition of lead : en
  • US2328222A - Geophone : en
  • US2328327A - Lubricator device : en
  • US2328432A - Washing machine : en
  • GB555636A - Improvements in and relating to the treatment of vegetable seeds and particularly to the treatment of soya beans : en
  • BE451680A - PROCESS FOR MANUFACTURING POLYVINYL CHLORIDE WITH LOW POLYMERIZATION DEGREE : en fr
  • US2328085A - Application of cords to food products : en
  • ES160815A1 - IMPROVEMENTS IN THE CONSTRUCTION OF THE GUIDE BARS MECHAS FOR THE MACHERAS AND CONTINUAS DE HILAR : en es
  • FR885069A - Improvements made to installations comprising at least one self-generator with free pistons and at least one receiving machine, in particular a turbine driven by the gases delivered by said self-generator : en fr
  • US2328350A - Sandblasting apparatus : en
  • US2328217A - Guy tongs : en
  • PL32094B1 - N .. V. Philips' <3Ioeilampenfabrieken, Eindhoven Radio receiver, tuneable with one or more buttons : en pl
  • CH228444A - Process for the production of polycondensation products. : de en
  • DE738872C - Device for determining the speed of a vehicle : de en
  • DE738876C - Adjusting strut, in particular for actuating aircraft components, e.g. retractable landing gear : de en
  • PL32051B1 - Method of obtaining multi-colored image and sound films on layers of silver halide emulsion with diffusion-resistant dye components suitable for color development : en pl
  • DE738886C - Process for the production of amber solutions which can be processed directly into lacquers : de en
  • US2328383A - Article handling apparatus : en
  • ES161088A1 - IMPROVEMENTS IN THE MANUFACTURE OF HIGH FREQUENCY COILS WITH AN ELECTRIC ORGAN PLACED IN THE SPACE LIMITED BY THE ROLLING : en es
  • CA414843A - Silicon steel production : en fr
  • FR884904A - Improved fibrous materials and their manufacturing process : en fr
  • ES156918A1 - IMPROVEMENTS INTRODUCED IN THE LAMPS OF INCANDESCENCE OR DISCHARGE PIPES : en es
  • US2328403A - Method of photography and means therefor : en
  • PL32089B1 - Kemi factories and Zaklady Chemiczno-Przemyslowe Sp. z o. o., Pruszków and Maciej Maczynski, Warschau Asphalt emulsion for insulation purposes and method of its production : en pl
  • FR884907A - Cylinder mill : en fr
  • FR885002A - Process for manufacturing a protective paper against toxic gases and resulting new industrial product : en fr
  • GB555697A - Electric selective arrangements for telephone and like systems : en
  • BE451582A - : en
  • US2328355A - Animal growth promoting substance : en
  • DE738842C - Process for the extraction of albumin, hemoglobin and other protein substances from fresh slaughter animal blood with the addition of anticoagulant substances : de en
  • DE738887C - Process for shading greenhouses : de en
  • ES160816A3 - A QUIET RIVETING MACHINE : en es
  • ES160843A1 - PROCEDURE TO ENRICH THE TURBAS IN ITS NITROGEN CONTENT : en es
  • ES158805A1 - EXTRA-RAPID REGULATION PROCEDURE FOR ELECTRICAL MACHINES : en es
  • FR885004A - Sheet metal piston ring : en fr
  • US2328300A - Process for preserving materials of the powdery or mealy type : en
  • US2328504A - Conveyer for industrial washing and drying machines : en
  • PL32088B1 - Inz. Józef Plebanski, Warschau <7 $ 3c> Radio broadcasting device : en pl
  • US2328002A - Metalworking machine : en
  • CA414795A - Lumber manufacture : en fr
  • USD136275S - Design for a dress : en
  • FR885080A - Improvements to low temperature carbonization furnaces : en fr
  • FR884994A - Tap, especially for fluids under high pressure : en fr
  • ES160993A1 - PROCEDURE FOR THE MANUFACTURE OF A MILK POWDER ADDED OF NUTRITIVE SUGAR : en es
  • ES161031A1 - PROCEDURE TO OBTAIN THE CONSERVATION OF AGRICULTURAL PRODUCTS : en es
  • US2328470A - Dynamoelectric machine coil support : en
  • GB555572A - Clipping machine : en
  • CA414858A - Constant velocity joint : en fr
  • FR885072A - Automatic acetylene lamp : en fr
  • CH228484A - Tower trolley. : en fr
  • DE738850C - Device for milling edge surfaces in wood or light metal on copy milling machines : de en
  • US2328513A - Insertion for cushions or the like : en
  • USD136281S - Design for a dress : en
  • PL31994B3 - Device for supplying cooling air to the engine compartment of airline vehicles with rear engine : en pl
  • CH228408A - Handle with attachment device for floor brushes. : de en
  • ES161067A1 - IMPROVEMENTS IN THE WELDING LAMPS : en es
  • GB555590A - Improvements in machines for making stems for electric vacuum tubes and the like : en
  • DE738895C - Walking beam hearth, the walking beam of which is connected to each other by cross members and can be moved in the horizontal direction and is suspended from pendulum rods : de en
  • CH228502A - Crane with luffing jib. : de en
  • US2328167A - Wedge-type clamp and carrier bar : en
  • AU117412B2 - Improved method of manufacturing a cathode of indirectly heated-type : en
  • US2328066A - Coating hydrophilic cellulosic films : en
  • US2328139A - Universal joint : en
  • US2328422A - Method for coating bodies with carbon : en
  • FR884928A - Rotating capacitor : en fr
  • GB555622A - Improvements in and relating to wrapping machines : en
  • ES160945A1 - A PERFECTED MANUFACTURING PROCEDURE OF YEASTS : en es
  • DE738749C - Process for the size reduction of particles by ultrasound : de en
  • FR885094A - Method and apparatus for carrying out reactions with liquid amalgams : en fr
  • PL32010B1 - A method and device for measuring films produced on the surface of metal objects, in particular steel objects, a method that does not damage these objects : en pl
  • PL32026B1 - Elektrotechnische Fabrik Schmidt & Co., Gesellschaft m. B. H., Bodenbach a / E. Bearing for a bicycle generator : en pl
  • CA414803A - Razor : en fr
  • CH228571A - Stand for jacking up a bicycle. : de en
  • DE738803C - Sieve insert with filling funnel for fuel container : de en
  • DE738822C - Circuit arrangement for sawtooth-shaped electrostatic deflection of cathode rays : de en
  • GB555638A - Improvements in or relating to circuit controlling apparatus, and telephone systems including such apparatus : en
  • GB555643A - Improvements in and relating to the regeneration of waste rubber : en
  • GB555655A - Safety razor blade preserving pads : en
  • US2328271A - Clamping tool : en
  • USD136274S - Design for a dress : en
  • DE738838C - Fuel feed device for internal combustion engines : de en
  • ES160984A1 - PROCEDURE TO REDUCE THE COEFFICIENT OF SWELLING OF TISSUE MATERIAL OF CELLULOSE HYDRATE : en es
  • GB555592A - Improvements in, or relating to, the preparation of gaseous atmospheres for use in heat treatment furnaces : en
  • GB555685A - Improvements in drying apparatus : en
  • FR885029A - Acoustic or gas vibration damper : en fr
  • US2328285A - Dental flask : en
  • CH228398A - Siphon. : de en
  • CA414968A - Electrotherapeutic apparatus : en fr
  • PL32087B1 - A method of automatic regulation of the vibration amplitude in repeaters, especially television repeaters, and a device for using this method : en pl
  • US2328434A - Speech transmission system : en
  • ES161085A1 - AN APPLICABLE MECHANICAL DEVICE FOR THE IMPROVEMENT OF TELESCOPES, BOTH MECHANICAL AND AUTOMATIC : en es
  • US2327996A - Process of dehydrating mineral oil emulsions : en
  • US2328437A - Lifedoat : en
  • US2328060A - Sewer sand washer or desander : en
  • US2328103A - Catalytic conversion of petroleum hydrocarbons : en
  • US2328110A - Beverage dispensing apparatus : en
  • US2328414A - High-pressure steam generator : en
  • US2328466A - Mechanism for controlling movements : en
  • DK61279C - Method for producing gold-colored decorations on ceramic objects, glass and enamel. : da en
  • CH228574A - Cycle brake cable clamping device. : en fr
  • US2328308A - Gun perforator : en
  • ES161033A1 - IMPROVEMENTS IN THE MANUFACTURE OF PLATES FOR TORNOS : en es
  • PL32093B1 - Bombrini Parodi —Delfino, Rome Explosive mixture : en pl
  • US2328225A - Radio frequency induction heating apparatus : en
  • FR884851A - Device for measuring the concentration of hydrogen ions : en fr
  • ES160934A1 - AUTO-INJECTION PUMP FOR COMBUSTION AND EXPLOSION ENGINES : en es
  • GB555575A - Improvements relating to the mechanical finishing of textile materials : en
  • US2328197A - Building structure : en
  • US2328274A - Earth drilling mechanism : en
  • CA414938A - Screw conveyer coupling means : en fr
  • FR884977A - Continuous production of powdered carbon by dissociation of acetylene gas : en fr
  • US2328187A - Repair of broken lighting filaments : en
  • US2328313A - Mounting structure : en
  • CA414800A - Hair net : en fr
  • DE738785C - Quickly established and detachable connection between two or more components consisting of essentially rigid plates : de en
  • FR884945A - Gasifier installation : en fr
  • ES160976A1 - PROCEDURE FOR THE PREPARATION OF MORTARS AND CONCRETE BASED ON THE MARINE ZOOSPHERE IN UNION OF A MINERAL AGLOMERANTE : en es
  • US2328345A - Fire-extinguishing apparatus : en
  • US2328248A - Saw-tooth wave generator : en
  • US2328120A - Pile raising structure : en
  • US2328372A - Mechanism for and method of charging containers with liquid : en
  • DE738807C - Motor bike with drive block built into the rear wheel : de en
  • AU648542A - Television transmitting system : en
  • US2327985A - Acyl isothiocyanate and polymer thereof : en
  • US2328364A - Cable tensioning mechanism : en
  • CA414860A - Laundry marking pin holder : en fr
  • CH228507A - Guide device on centrifugal pumps or fans. : de en
  • ES153611A1 - IMPROVEMENTS INTRODUCED IN THE ARMOR BRACES : en es
  • FR884922A - Oblique tube boiler : en fr
  • CH228460A - Wall. : de en
  • GB555580A - Improvements in and in the manufacture of band clips having closing worm gear : en
  • GB555706A - Improvements relating to spot-welding machines : en
  • DK61273C - Procedure and Installation for Determining the Velocity of Flying Projectiles. : da en
  • US2328023A - Blind rivet : en
  • FR885066A - Pressure regulator with corrector, in particular for motor vehicles running on gaseous fuels : en fr
  • GB555584A - Improvements in the manufacture of laminated paper and like tubes : en
  • FR885010A - Motor vehicle with closed body : en fr
  • US2328379A - Artificial tooth : en
  • CH228511A - Single-acting two-stroke internal combustion engine. : de en
  • GB555704A - Improvements in or relating to cleaner or gummer attachments for coal cutting machines : en
  • CA414881A - Rubber product : en fr
  • US2327999A - Match book holder : en
  • PL32000B1 - : en pl
  • PL32053B1 - N. V. Philips * Gloeilampenfabrieken, Eindhoven Electric High Performance Mercury Tubular Discharge Lamp : en pl
  • USRE22369E - Collapsible form : en
  • ES160841A1 - IMPROVEMENTS IN THE TELESCOPAS WITHOUT LANZADERA : en es
  • FR884980A - Gas regulator-holder for all uses and in particular for supplying explosion engines : en fr
  • DE738735C - Knitting machine for mending socks, bags or the like. : de en
  • AU117399B2 - Improvements in or relating to combined lighting, and airconditioning systems : en
  • AU117414B2 - Improvements in winches, hoists andthe like : en
  • US2328524A - Safety device : en
  • US2328342A - Heating pad thermostat : en
  • US2328412A - Multiple field magnet ignition magneto : en
  • ES160862A3 - UNIVERSAL APPARATUS FOR HANDLING STRIPS : en es
  • DE738737C - Beet cleaner : de en
  • ES161014A1 - IMPROVEMENTS IN THE ELABORATION OF YOGURT : en es
  • FR885048A - Flying machines, in particular airplanes : en fr
  • CA414883A - Photoflash lamp : en fr
  • US2328375A - Typewriting machine : en
  • US2328287A - Holder for mops and other articles : en
  • CA414804A - Optical filter : en fr
  • US2328097A - Display printing machine : en
  • FR884915A - Short circuit winding : en fr
  • CH228535A - Ignition device on converters with a liquid cathode. : de en
  • ES160865A1 - IMPROVEMENTS INTRODUCED IN THE HERMETIC CLOSURE DEVICES, ESPECIALLY IN THE PLASTIC ENVELOPES OF THE CYLINDER HEADS OF THE EXPLOSION ENGINES : en es
  • ES161125A1 - TURBINE WITH FREE MOBILE WHEEL, ESPECIALLY APPROPRIATE FOR HOT GASES : en es
  • US2328156A - Massaging apparatus : en
  • DE738700C - Facility for the production of mineral or slag wool : de en
  • US2328203A - Paint mask structure : en
  • US2328499A - Control system foe vapor : en
  • ES160896A3 - PERFECTED OVEN FOR THE TREATMENT, WITH OR WITHOUT CARBONIZATION, OF PRILEAN MATERIALS AND OTHERS : en es
  • CA414782A - Metal polishing element : en fr
  • DE738753C - Process for the preparation of polymeric vinyl compounds : de en
  • FR885086A - Acetylene generator device for powering engines : en fr
  • DE738914C - Securing the connecting pins of caterpillar links : de en
  • GB555578A - Improvements in chemically excited heating appliances : en
  • US2328419A - Flap gate : en
  • ES161039A1 - COMBINED ENGINE UNIT FOR CARGO BOATS AND OTHERS : en es
  • GR10145B - SHOE STAINS REPLACEMENT OF LACE. : el en
  • DE738853C - Oscillator mixing tube circuit for superimposition reception : de en
  • US2328069A - Ski spreader : en
  • FR885079A - Device for maritime transport : en fr
  • GB555611A - Improvements in filters for fluids : en
  • US2328208A - Indicator : en
  • US2328275A - Catalytic process for purifying ethylene : en
  • US2328458A - Circuit breaker : en
  • FR884857A - Pressure device : en fr
  • US2328299A - Grading apparatus : en
  • CH228554A - Booster assembly. : de en
  • GB555716A - Improvements in or relating to draw-off cocks for controlling the flow of liquids : en
  • US2328138A - Collapsible trailer : en
  • DE738754C - Hand-operated tiller : de en
  • DE738884C - Device for locking the alarm setting shaft against turning back : de en
  • ES157765A3 - PROCEDURE FOR OBTAINING A MEANS FOR DRY CLEANING AND WHITENING OF LEATHER, CANVAS AND SIMILAR ARTICLES : en es
  • FR884957A - Process for the preparation of beta-alanine : en fr
  • ES160855A1 - IMPROVEMENTS IN THE GRAND FLIGHT CRANES : en es
  • ES158437A1 - A BACKGROUND PLATE FOR HILATURE NOZZLES : en es
  • ES160900A1 - A TENSION DEVICE : en es
  • US2328295A - Fish lure : en
  • GB555582A - Improvements in or relating to fluid pressure mechanism, more particularly for windscreen wipers : en
  • GB555666A - Improvements in or relating to apparatus for controlling the operation of automatic guns on aircraft : en
  • GB555628A - Improvements connected with boiling and infusing apparatus : en
  • IE16692L - Sulphonamides : en
  • CA414943A - Electric connector : en fr
  • CH228492A - Drive device for actuating the closing elements of cone locks. : de en
  • DE738774C - Tone color regulator with continuously adjustable ohmic voltage divider for optional weakening of the high and low tone frequencies : de en
  • ES160852A3 - SPEED CHANGE MECHANISM FOR BICYCLES : en es
  • ES160937A1 - A DEVICE TO EQUALIZE RECTIFICATION WHEELS : en es
  • US2328019A - Desk : en
  • US2328333A - Polymerization process : en
  • FR884872A - Air filter mounted on the fuel tank of a motorcycle : en fr
  • US2328368A - Color photography and cinematography : en
  • DE738794C - Process for the production of a flour which is used for the simplified production of potato dumplings : de en
  • CA414942A - Dense soda ash : en fr
  • PL31996B1 - Ringhoffer-Tatra Werke fl. G., Prague Rear-engine motor vehicle with an auxiliary duct that guides the airflow beyond the rear end of the body : en pl
  • CH228399A - Curved handle made of wood. : de en
  • US2328018A - Package and method of making the same : en
  • US2328288A - Cap for foundation vents : en
  • ES159431A3 - A NEW PROCEDURE FOR OBTAINING TEXTILE FIBER FROM THE RAMIO PLANT : en es
  • FR885024A - Automatic landing device for airplane and seaplane : en fr
  • FR885055A - Safety gas filter : en fr
  • US2328174A - Lister : en
  • USD136256S - Design for a game board : en
  • CA414914A - Chair : en fr
  • CH228541A - Process for the production of induction devices, in particular inductors or transformers for contact converters. : de en
  • DE738763C - Process for dyeing molded structures made of superpolyamides : de en
  • ES160905A1 - IMPROVEMENTS IN THE OBTAINING OF AGRICULTURAL ATTICRYPTOGAMIC PRODUCTS BASED ON UROTROPIN AND ZINC : en es
  • FR885083A - Anti-aircraft watch device : en fr
  • GB555699A - Improvements in photographic materials and processes, especially processes relating to colour photography : en
  • DE738757C - Trellis for peas u. like : de en
  • FR885027A - Piston engine with closed circular cylinder giving continuous rotary motion : en fr
  • DE738825C - Process for the automatic sharpening of electrical oscillation circuits : de en
  • FR884952A - Corset : en fr
  • ES161075A3 - IMPROVEMENTS IN THE MECHANISM OF THE RECESSED ELECTRICAL SWITCHES : en es
  • CA414778A - Printing roll : en fr
  • GB555574A - Improvements relating to valves for use with fluid-filled tyres or tubes : en
  • GB555597A - Improvements in or relating to the removal of acetylene from hydrocarbon mixtures : en
  • FR884953A - Assembly, in particular radio-electric receiver assembly. comprising a tunable oscillating circuit : en fr
  • USD136297S - Van vactor : en
  • DE738858C - Compressed air caisson : de en
  • US2327986A - Can cleaning device : en
  • US2328309A - Firing head for gun perforators : en
  • BE451714A - Purification process for sulfonic acids : en fr
  • CA414849A - Optical sighting apparatus : en fr
  • CH228530A - Self-blowing switch. : en fr
  • AU605942A - Improvements inthe manufacture of rubber in sheet or crepe form and of rubber articles : en
  • GB555573A - Handle attachment for tinware or other containers : en
  • GB555681A - A process for the preparation of ferric oxide : en
  • BE451505A - Process for the preparation of carbamic ethers-salts : en fr
  • CH228424A - Macaroon dressing machine. : de en
  • GB555714A - Improvements in and relating to circular braiding machines : en
  • US2328068A - Closure seal : en
  • US2328521A - Unit air conditioning system : en
  • USD136282S - Design for a hat : en
  • CA414784A - Hydraulic valve : en fr
  • CA414838A - Guanamine preparation : en fr
  • ES160901A1 - EXTREME CONNECTION DEVICE OF TWO-ALTERNANCE TELEPHONE CENTRAL OR WAYS WITH FREQUENCY CARRIER FOR TETRAFILAR AERIAL LINES AND FOR FREQUENCY CARRIER SYSTEM CHANNELS : en es
  • CA414805A - Licker grinder : en fr
  • PL32027B1 - Device for milling polygons : en pl
  • US2328123A - Adjusting mechanism for gears : en
  • CH228391A - Sealing device on a door. : de en
  • CH228442A - Process for the production of soft rubber-like, cold-resistant utensils from polyvinyl chloride. : de en
  • PL32076B1 - tfk, P F f / 40 Rheinmetall-Borsig flktiengesellschaft, Dusseldorf Electric drive of interlocks and turners cannon according to Leonard's system, including alternators excited by a manually actuated exciter with variable number of revolutions and in both directions : en pl
  • US2328084A - Container : en
  • CA414861A - Spring suspension for vehicle chassis : en fr
  • CA414886A - Vitreous vessel sealing apparatus : en fr
  • US2328096A - Method of treating strands : en
  • DE738797C - Breathing cartridge : de en
  • ES160824A1 - A DEVICE FOR LIFTING AND LIFTING A LIFE BOAT SUSPENDED IN TWO RIGGES : en es
  • GB555667A - Improvements in or connected with mechanism for the conversion of motion according to one law into motion according to another law : en
  • ES161004A1 - A NEW ROTARY MACHINE PROCEDURE, WITH A CIRCULAR MOVEMENT OF MOVABLE PARTS : en es
  • GB555619A - Improvements in electric signal transmission systems : en
  • GB555645A - Method and apparatus for compressing and electrically heating thermo-plastic materials : en
  • PL32066B1 - N. V. Philips' Gloeilampenfabrieken, Eindhoven Delayed automatic loudness control and radio with such an arrangement : en pl
  • CH228556A - Magnetron circuit for superimposing ultrashort waves. : de en
  • ES161032A1 - PROCEDURE FOR THE MANUFACTURE OF A REVOKE OR LINKED : en es
  • FR884951A - Contact for cables, especially for ignition cables : en fr
  • GR10148B - DRIVER SYSTEM FOR THE QUICKLY INSTALLATION OF THE ELECTRIC CASTLE OF THE ROD - ANTENNA OF THE TRAFFIC VEHICLES ON THE AIR PIPELINE. : el en
  • PL32036B1 - De-icing device for aviation propellers : en pl
  • CA414781A - Hair net : en fr
  • CA414821A - Edible composition converting apparatus : en fr
  • FR885093A - Method and apparatus for making strips or ribbons for flash lamps : en fr
  • PL32024B1 - Henryk Sluzewski, Warschau Disinsection chamber : en pl
  • FR885039A - Device for the secrecy of the transmission of messages : en fr
  • US2328095A - Battery holder : en
  • ES160941A1 - ELECTRIC APPLIANCE VACUUM-AIR EXPULSOR : en es
  • ES161110A1 - APPARATUS FOR THE SIMULTANEOUS PRODUCTION OF HEAT FOR HOME USE AND OF WOODEN CARBON OR RED CARBON : en es
  • FR884972A - emulsions and their preparation process : en fr
  • FR885047A - Method and apparatus for using carbon dioxide in fuel for internal combustion engines : en fr
  • GB555701A - Rolled copper alloy article : en
  • FR884913A - Wedges for table legs and other furniture : en fr
  • IE17479L - Dried potato powders etc. : en
  • US2328157A - Objective : en
  • ES161123A1 - PROCEDURE FOR THE AUTOMATIC EVACUATION OF THE LIQUID SUPPLIER CONTAINED IN A HIGH PRESSURE CONTAINER : en es
  • CH228429A - Process for the production of a new condensation product. : de en
  • ES161136A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • CA414907A - Flocculation apparatus : en fr
  • ES161043A1 - A PROCEDURE FOR THE OBTAINING OF CONDENSATION BODIES (SYNTHETIC RESINS) OF THE PHENOL-ALDEHYDIC TYPE : en es
  • GB555671A - Improvements in or relating to turbine devices for the hydraulic transmission of power : en
  • US2328262A - Control for clamps : en
  • FR884962A - Bulking agent for washing agents : en fr
  • US2328289A - Engine leakage meter : en
  • USD136269S - Brooch or similar article : en
  • US2328065A - Treatment of sheets and similar materials : en
  • PL32031B1 - Maksymilian Grochowski, Warschau and Wladyslaw Krzyzanowski, Warschau The standing frame : en pl
  • ES160649A3 - ARTICULATED ELEMENTS DISPOSITION APPLICABLE TO THE MANUFACTURE OF DOLLS : en es
  • FR885007A - Automatic mixer for supplying all combustion engines with acetylene gas or other gaseous fuel supplemented with air and an appropriate fluid : en fr
  • US2328226A - Washing machine : en
  • US2328478A - Piezoelectric transducer : en
  • ES156837A1 - A PERFECTED STOVE-KITCHEN SYSTEM : en es
  • ES160904A1 - CONNECTION PROVISION FOR TELEGRAPH BY ALTERNATE CURRENT WITH PHASE INVERSION : en es
  • FR884976A - Process for the extraction of magnesia from saline solutions which contain it and apparatus used for this purpose : en fr
  • FR885018A - Alpha-olefin isomerization process : en fr
  • US2328061A - Hydraulic vise : en
  • US2328218A - Studio couch : en
  • FR884996A - Gasifier set for motor vehicles : en fr
  • USD136287S - Design for a dress : en
  • US2328326A - Door construction : en
  • US2328484A - Process for the preparation of nitrogen chloride : en
  • ES161040A3 - A PROCEDURE FOR THE MANUFACTURE OF PLASTIC MATERIALS (SYNTHETIC RESINS) BY CONDENSATION OF PHENOL, CRESOL OR MIXTURES OF BOTH WITH FURANIC ALDEHYDE : en es
  • US2328490A - Diphenylsulphone derivative : en
  • DE738725C - Impact crushing for furnaces : de en
  • DE738776C - Feedback band filter : de en
  • DE738747C - Use of nickel-chromium alloys for dental purposes : de en
  • DE738750C - Wood propeller from individual manufactured, untwisted and subsequently glued together wood thicknesses : de en
  • ES152781A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF TIRES : en es
  • ES161061A1 - IMPROVEMENTS IN THE WHEELS FOR AUTOMOBILES AND OTHER VEHICLES : en es
  • FR885089A - Safety valve : en fr
  • ES152322A1 - A NEW TYPE OF MUELA FOR CRUSHERS OF WHEELS THAT SERVE AT THE SAME TIME OF PUMP : en es
  • US2328114A - Vibration amplitude and center of oscillation indicator : en
  • DE738743C - Rear suspension for motorcycles : de en
  • DE738791C - Vibration dampers under machines, the small oscillation amplitudes of which are superimposed in certain time intervals by impacts of other frequencies : de en
  • DE738873C - Method for soldering seams on vessels or tools made of tungsten or a tungsten molybdenum alloy : de en
  • ES160883A1 - PROCEDURE FOR THE OBTAINING OF VISCOSE ARTIFICIAL THREADS : en es
  • ES160914A1 - CATHODE RAYS SWITCH : en es
  • FR884975A - Ashtray : en fr
  • FR884878A - Method or mode of operation of presses for extruding bars, tubes and cables : en fr
  • FR884961A - Preparation of a brightening agent from pine oil : en fr
  • FR885016A - Airplane speed and drift indicating devices : en fr
  • CH228510A - Single-acting two-stroke internal combustion engine. : de en
  • CH228567A - Elastic wheel. : en fr
  • US2328429A - Machine for forming wire reinforced tape : en
  • US2328517A - Movable position finding devices, particularly course protractors : en
  • DE738768C - Anchoring for the tension belt of suspension bridges : de en
  • CH228420A - Ski boot. : de en
  • US2328186A - Automatic box : en
  • US2328312A - Hydraulic hoisting and rotating apparatus : en
  • CA414903A - Asbestos fabric : en fr
  • US2328091A - Fluid operated clutch : en
  • US2328269A - Molding material : en
  • BE451404A - Lathes, in particular for wind engines : en fr
  • US2328475A - Endless belt : en
  • DE738834C - Fluid brake for performance measurement : de en
  • US2328144A - Vehicle : en
  • CH228425A - Process for the production of proteins from the cellulose accompanying substances dissolved in the pretreatment of cellulose-containing raw materials by means of organic or inorganic acids. : de en
  • CH228413A - Machine with drive power up to 1000 watts. : de en
  • CH228407A - Appliance for cooking. : en fr
  • AU645042A - Carbonising metals : en
  • US2328306A - Mechanism for use in computing apparatus : en
  • CH228499A - Change gear with infinitely variable friction gear and differential gear. : de en
  • FR885001A - : fr
  • US2328252A - Plate holder : en
  • US2328449A - Cultivator : en
  • PL32032B1 - Maksymilian Grochowski, Warschau and Wladyslaw Krzyzanowski, *) Warschau Standing frame : en pl
  • GB555713A - Rivet setting tool : en
  • DE738780C - Gas-heated large kitchen stove : de en
  • ES161087A1 - PROCEDURE FOR PREPARATION OF METALLIC SURFACES WITH LOOK AT YOUR ENGRAVING : en es
  • ES161116A1 - PROCEDURE FOR THE PREPARATION OF N-DIMETHYLACROYL-P-AMINOBENZOLSULFONAMIDE SALTS : en es
  • AU117401B2 - Improvements inthe manufacture of rubber in sheet or crepe form and of rubber articles : en
  • CA414868A - Insulated electric conductor : en fr
  • CH228580A - Drive device for the screw of a buoyant motor vehicle. : de en
  • FR884987A - Compressed gas cylinder : en fr
  • DE738806C - Anti-skid for vehicle tires : de en
  • ES161048A1 - A PERCUTORING SLOT THREADER : en es
  • US2328215A - Burglar alarm for motor vehicles : en
  • US2328321A - Drier drum : en
  • US2328459A - Finishing stone : en
  • US2328003A - Vacuum cleaner coupling construction : en
  • US2328164A - High speed cutting mechanism : en
  • AU117405B2 - Carbonising metals : en
  • DE738622C - Circuit arrangement for telephone systems with main and sub-offices : de en
  • PL32004B1 - A method of producing insulating, sealing and road construction materials, as well as adhesives and similar materials, from soft coal tar pitches : en pl
  • FR884941A - Compensation device for the influence of temperature on oscillating circuits : en fr
  • CA414894A - Dry shaver comb : en fr
  • CH228490A - Device to be internally rectified. : en fr
  • FR885078A - Carbide distributor for acetylene generator : en fr
  • CA414844A - Brake : en fr
  • ES160876A1 - SERIAL INSURANCE DEVICE FOR THE TOP PARTS OF TEXTILE USES : en es
  • GB555694A - Combined scuff plate and weather strip : en
  • ES160930A1 - IMPROVEMENTS IN FIXING DEVICES AND REGULATION OF OBJECT POSITIONS : en es
  • FR884943A - Small circuit-breaker with box, in particular for mounting several switches side by side : en fr
  • US2328454A - Latticelike stiffening ribbing for structural plates : en
  • US2328044A - Combination low pressure feed heater : en
  • CA414845A - Brake arrangement : en fr
  • GB555709A - Improved method of applying fire extinguishing or blanketing foam to the surface of liquids in vertical circular tanks and in apparatus therefor : en
  • FR885091A - Installation and method for preparing copies of cinematographic films : en fr
  • US2327979A - Lined garment : en
  • US2327993A - Vapor and liquid contact apparatus : en
  • US2328101A - Method of providing adherent metal coatings on surfaces : en
  • GB555705A - Improvements in latches and in combined locks and latches : en
  • PL32016B1 - I- G. Farbenindustrie flktiengesellschaft, Frankfurt n / M. Solid core coil : en pl
  • US2328098A - Method of making lead articles : en
  • USD136261S - Loewy locomotive body : en
  • USD136279S - Design for an industrial truck : en
  • DE738852C - Egg carton : de en
  • DE738788C - Multi-part vulcanizing mold for the production of rubber metal bodies : de en
  • GB555662A - Improvements connected with clips for cycle pumps or the like : en
  • PL32067B1 - A method for the production of carbon-containing refractory shapes : en pl
  • US2328006A - Engine lubricator : en
  • US2328477A - Toolholder : en
  • DE738907C - Light alloy pistons with piston seals using one-piece or multi-piece piston rings made from two different materials : de en
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