• ES164539A1 - IMPROVEMENTS INTRODUCED IN BURNERS FOR LIQUID FUELS : en es
  • GB560074A - Improvements in or relating to tool holders for lathe and like machine tools : en
  • US2343900A - Compound hydraulic brake compressor : en
  • US2344310A - Purse structure : en
  • ES164536A1 - A MACHINE FOR THE MANUFACTURE OF EDIBLE SAUSAGES AND SUBSTANCES : en es
  • AU1316644A - Improvemennts in or relating to elecrical fuses : en
  • CH231327A - Carburetors for internal combustion engines. : de en
  • ES164387A1 - IMPROVEMENTS IN CONSTRUCTION OF TRAVIESAS FOR RAILWAYS : en es
  • US2344026A - Process for producing resins of the coumarone-indene type : en
  • US2344406A - Refining of mineral oils : en
  • US2344305A - Corn picker : en
  • ES164334A1 - A PROCEDURE FOR FORMING SURFACES OF REFLECTION ON THE OWN GLASS OF THE ELECTRIC SHIELD LAMPS : en es
  • ES164885A1 - APPARATUS TO REFREGE THE SAVING OF CEERAALS OR FOR OTHER SIMILAR APPLICATIONS : en es
  • GB559965A - Visible margin file : en
  • ES164290A1 - PROCEDURE FOR THE WATERPROOFING OF WOOL SKINS TO PROTECT FROM HUMIDITY MATTRESSES AND SIMILAR : en es
  • US2344343A - Sanitary cover for cans : en
  • US2344299A - Hydraulic actuating mechanism : en
  • US2343961A - Film take-up : en
  • GB559946A - Improvements relating to small electric motors, more especially synchronous motors : en
  • US2344217A - Apparatus for measuring surface roughness : en
  • DE745249C - Device for reducing torsional vibrations : de en
  • DE742564C - Device on valve bag filling machines with tilting saddle for valve bags with crepe cuff or similar sealing devices : de en
  • CH231421A - Process for the preparation of a monoazo dye. : de en
  • FR891687A - Fixed or mobile annular sight for underwater shotguns : en fr
  • FR891643A - Gasifier filter : en fr
  • NL57652C - : en
  • USD137452S - Design for a blouse : en
  • CA419053A - Waterproofing composition for concrete or mortar : en fr
  • CA418987A - Lath to channel furring securing means : en fr
  • USRE22457E - Segmental abrasive wheel : en
  • FR891726A - Elastic coupling : en fr
  • IE16552L - Production of starch : en
  • DE708987C - Double row sound post for accordions and similar musical instruments : de en
  • GB560044A - Improved adjusting means for the brake magnets of watt hour meters and the like : en
  • US2344024A - Broach and a method of preparing the same : en
  • CA419018A - Coated glass fabric window shade : en fr
  • US2343958A - Cutting tip with diverging outlet : en
  • US2344017A - Device for cleaning and drying roller stipplers : en
  • US2344210A - Book matches and cover : en
  • NL56028C - : en
  • ES164508A1 - IMPROVEMENTS IMPROVED IN NOZZLES USED FOR FILLING METAL : en es
  • ES164582A1 - CONNECTION PROVISION FOR TRANSMITTERS OR RECEIVERS OF DECIMETRIC WAVES : en es
  • DE745552C - Arrangement for supporting swinging half axles for motor vehicles driven by a differential gear : de en
  • ES164722A1 - A ROLLER FOR WINDING MACHINES : en es
  • GB559967A - Amplitude-and frequency-modulation radio receivers : en
  • ES164346A1 - A PROCEDURE FOR MANUFACTURING SODIUM OR POTASSIC ACID PYROPHOSPHATE : en es
  • FR891612A - Iron chloride catalyst and its manufacturing process : en fr
  • ES164859A1 - A PROCEDURE TO OBTAIN HYDROCARBONS AND LIGHTING GAS : en es
  • CH231215A - Excess air control device for gas fireplaces. : de en
  • GB559940A - Improvements in or relating to sighting apparatus for use on aircraft and for like purposes : en
  • ES164498A1 - A PROCEDURE FOR OBTAINING MOLDED ACTIVE CARBON : en es
  • ES164137A1 - A PERFECTION OF THE MACHINES TO SHAVE : en es
  • ES164563A3 - A PROCEDURE FOR THE IMPREGNATION OF FIBROUS ELEMENTS WITH PRODUCTS OBTAINED BY CONDENSATION IN THE PRESENCE OF FORMOL, UREA OR THEIR DERIVATIVES (CARBAMIDE RESIN) : en es
  • ES164644A1 - MAGNETIC VALVE : en es
  • US2344149A - Table device : en
  • US2344471A - Closure and applicator rod assembly : en
  • US2344478A - Apparatus for sharpening saws : en
  • CH231299A - Collet clamping device. : de en
  • ES164573A1 - IMPROVEMENTS INTRODUCED IN ELECTRICAL SWITCHES WITH BRUSCA CONNECTION MECHANISMS : en es
  • FR891640A - Purification plant for gasifiers : en fr
  • DE745293C - Developing machine for films : de en
  • GB559999A - Improved self-inking hand stamp : en
  • FR891602A - Device for adjusting range in firearms : en fr
  • BE452329A - : en
  • US2344167A - Typewriting machine : en
  • ES164807A1 - A MECHANISM APRA THE EXTRACTION OF MATERIALS IN TREATMENT IN ROTARY CONTAINERS : en es
  • US2343963A - Stalk topping and deleafing machine : en
  • US2344122A - Electric lighting equipment : en
  • US2343885A - Test method and apparatus therefor : en
  • US2344148A - Emergency wheel brake : en
  • US2344467A - Catalytic isomerization : en
  • CH231300A - Lathe tailstock. : de en
  • FR891740A - Automotive plowman : en fr
  • GB560045A - Improvements in or relating to milk bottle holders : en
  • US2343859A - Telephone receiver : en
  • US2344454A - Training device : en
  • US2344203A - Combination burner : en
  • CA419063A - Cathode ray tube : en fr
  • CH231438A - Support for cycles. : en fr
  • AU698742A - Apparatus for the recovery of volatilizable metals : en
  • CH231373A - Selector switch. : de en
  • AU118230B2 - Improvements in or relating to pipe couplings : en
  • CA418989A - Envelope : en fr
  • CH231269A - Process for the preparation of color photographic images. : de en
  • CA419091A - Textile fabric : en fr
  • DE745634C - Process for the catalytic cracking of hydrocarbon oils : de en
  • US2343909A - Awning fixture : en
  • ES164486A1 - AN APPARATUS FOR FISHING WITH LIGHT UNDER WATER : en es
  • DK62032C - Liquid brake for Sagittarius. : da en
  • IE16581L - Photo-chemical apparatus : en
  • GB560042A - Treatment of pitch : en
  • ES164489A3 - A PROCEDURE FOR OBTAINING JELLY PRODUCTS, MAINLY DRY MUCILAGES, BASED ON ALGAE AND MARINE LIQUENS : en es
  • FR891671A - Handpiece device for dental milling lathe : en fr
  • US2344383A - Shoring for portable drilling rigs : en
  • US2344412A - Closure for battery box covers : en
  • USD137461S - Brooch or similar article : en
  • CH231217A - Gasifier. : en fr
  • DE745122C - Process for the production of metal bodies with a self-lubricating effect : de en
  • ES163428A1 - A PRISMATIC, HORIZONTAL PROJECTION, DESIGNED TO TRACE ON IT ORTHODOMIC MAPS OF UNLIMITED EXTENSION : en es
  • FR891717A - Screw : en fr
  • FR891633A - Apparatus for sorting, dehydrating or washing fibrous material in suspension : en fr
  • FR891665A - Hardened snow scraper : en fr
  • US2344061A - Preparation of 1-chloro-1-fluoro ethylene : en
  • US2344002A - Spinning composition and textile fiber made therefrom : en
  • US2344139A - Liquid feed carburetor : en
  • CH231198A - Method and device for growing mushrooms. : de en
  • CH231351A - Polyphase goniometer. : de en
  • US2344233A - Convertible sprayer : en
  • US2344336A - Excavating tool : en
  • DE745253C - Method and apparatus for the continuous treatment of pulp suspensions : de en
  • AU798543A - Improvement In machines for making and filling packages : en
  • CH231204A - Device with corner strips. : de en
  • CA419037A - Ophthalmic mounting : en fr
  • CH231245A - Dissolver. : de en
  • US2344250A - Transmission film for glass : en
  • US2344057A - Footwear : en
  • US2344240A - Cooled shaft bearing : en
  • US2344280A - Lead-in arrangement : en
  • US2343921A - Staple remover : en
  • CH231277A - Measuring gauge for spark plugs. : de en
  • AU118232B2 - Improved lampshade or hood : en
  • DK62030C - Lengthwise on welded stumps for cans and similar containers of black tin. : da en
  • ES164656A1 - A PROCEDURE TO MAKE SHAVE LEAVES STAINLESS : en es
  • FR891720A - Flush : en fr
  • GB560058A - An improved device for automatically stopping electrically driven machinery in an emergency : en
  • CA419044A - Airplane structure riveting method : en fr
  • CH231439A - Plane. : de en
  • DE745407C - Device for dewatering and separating flocculation from waste water containing clay and lettuce from swimming pool treatment plants : de en
  • GB560059A - Improvements in electromagnetic contactors : en
  • CH231322A - Regulator for maintaining a minimum and a maximum speed, especially for controlling the delivery rate of injection pumps for diesel engines. : de en
  • US2344449A - Treating hydrocarbon fluids : en
  • CA418978A - Printing press sheet delivery mechanism : en fr
  • DE745473C - Process for the production of high molecular weight polycondensation products suitable for shaping : de en
  • SE110040C1 - : sv
  • US2343910A - Inker mechanism : en
  • US2344301A - Agricultural implement : en
  • US2344074A - Process for manufacturing litmus dyestuffs : en
  • AU118203B2 - Improvements in portable concrete rodding machine : en
  • FR891613A - Hollow tubular pipe for the propagation of very short electrical waves : en fr
  • GB560005A - Improvements in photographic processing apparatus : en
  • US2344298A - Resistor device : en
  • CA418992A - Time controlled electric switch : en fr
  • ES164266A1 - MANUFACTURE PROCEDURE OF SCREWS : en es
  • CA418988A - Packing ring and cup washer : en fr
  • CA418986A - Building structure : en fr
  • FR891676A - Flat textile articles with formed patterns : en fr
  • ES164265A1 - A PROCEDURE TO REGENERATE USED PHOTOGRAPHIC FIXING BATHS AND RECOVER THE SILVER CONTAINED : en es
  • US2344162A - Grinding mill discharge : en
  • US2344016A - Corrosion-preventive hydrocarbon oil : en
  • CA418997A - Lever open container : en fr
  • CH231305A - Impact drill. : de en
  • CA419027A - Storage battery cover : en fr
  • DE745353C - Symmetrical range finder for photographic recordings : de en
  • ES164504A1 - AN APPARATUS FOR INTRODUCING TREATMENT SUBSTANCES IN GLASS CONTAINERS : en es
  • US2344160A - Electric lamp : en
  • US2344419A - Method of and apparatus for pouncing hats : en
  • US2344081A - Process for causing luminescent substances to adhere to glass walls : en
  • CH231381A - Vehicle, especially for pulling animals, with an articulated bogie. : de en
  • US2343953A - Hand compression tool for dies and cutters : en
  • US2344106A - Method of and apparatus for treating tobacco : en
  • CH231302A - Process for wood impregnation by means of sap displacement on masts. : de en
  • FR52392E - Improvements in the construction of so-called dry electric cells : en fr
  • FR891702A - Tensioner for moving belts : en fr
  • US2344151A - Method and apparatus for treating perishable articles : en
  • US2344187A - Machine tool : en
  • US2343912A - Flow equalizer : en
  • US2344077A - High-pressure steam generator : en
  • US2344277A - Method of drilling lateral bores : en
  • US2343922A - Tube coupling : en
  • US2344003A - Device for producing incisions in rods or tubes : en
  • US2343899A - Strip feeding mechanism : en
  • GB559952A - Improvements in or relating to knitting machines : en
  • US2343957A - Peripheral diamond abrasive wheel and method of making same : en
  • US2344175A - Signal lantern : en
  • US2344314A - Method of producing rotary cutters : en
  • US2343991A - Filling mechanism for fountain pens : en
  • US2344370A - Illuminated knitting needle : en
  • CH231395A - Process for voltage regulation using transformers in rail vehicles. : de en
  • ES160833A1 - A PROCEDURE FOR THE PREPARATION OF METALS AND SUBSTANCES RELATED TO OR DIFFICULTLY VAPORIZABLE IN A SOLID STATE UNTIL THE FINEST DISPERSION : en es
  • US2343903A - Automatic shutoff nozzle : en
  • US2344230A - Adjustable and removable brace for frameless eyeglasses : en
  • US2344261A - Dielectric monitor system : en
  • CA419082A - Alternating current supply means : en fr
  • CH231274A - Slingshot figure for football board games. : de en
  • DE745672C - Production of an acidic solid electrolyte for collectors : de en
  • CA419029A - Storage battery plate : en fr
  • US2344117A - Method of making polarizing filters : en
  • US2344029A - Synchronizing system : en
  • CH231326A - Magneto. : de en
  • CA418996A - Engine cylinder head : en fr
  • CH231218A - Device for the continuous production of acetylene from calcium carbide and water vapor or finely divided water with the production of practically dry hydrated lime. : de en
  • US2344293A - Drawbench gripper carriage : en
  • US2344315A - Oil leakage indicator : en
  • US2344388A - Vehicle driving mechanism : en
  • ES164467A1 - IMPROVEMENTS IN THE OBTAINING OF SULFURIC ETHER : en es
  • US2344459A - Method of preparing i : en
  • CA419094A - Dischargeable dyestuff : en fr
  • CH231260A - Adhesive tape covered on both sides. : de en
  • US2344404A - Corrosion preventing agent : en
  • US2344425A - Radio antenna : en
  • CA418985A - Lath to studding securing means : en fr
  • GB560043A - Improvements relating to biscuit making machinery : en
  • ES164782A1 - IMPROVEMENTS IN ELECTRIC WIND TURBINES : en es
  • ES164355A1 - CHANGE OF REVOLUTIONS VARIABLE INFINITESIMAL : en es
  • US2344435A - Index means for chain welding machines : en
  • GB559944A - Method of treating ores and treatment agent therefor : en
  • DE745440C - Process for the reverse development of photosensitive halogen silver emulsion layers without intermediate exposure : de en
  • FR52398E - Removable annular ramp for gasifier fireplace : en fr
  • ES164772A1 - A PROCEDURE FOR THE PREPARATION OF EATING AROMAS : en es
  • GB560065A - Improvements relating to the directional control of air currents produced by fans and other rotary devices, for cooling aircraft engines : en
  • GB559987A - New process for extracting metallic copper from natural products : en
  • FR891656A - Device for joining the casing and the steering devices, for steam and gas turbines for high temperatures and pressures, in particular for vehicles : en fr
  • US2344173A - Switch : en
  • US2344204A - Shirt : en
  • DE745340C - Body care products : de en
  • ES164315A1 - A PROCEDURE TO IMPROVE THE QUALITIES OF REGENERATED FIBERS OF TEXTILE AND COTTON WASTE : en es
  • ES164640A3 - A BAG SYSTEM FOR AVIATOR PARACHUTE PACKAGING030244 : en es
  • FR891714A - Composition replacing copper sulphate for all agricultural treatments : en fr
  • US2344363A - Method and apparatus for cooling metal molds : en
  • US2344146A - Computer : en
  • US2344132A - Fishing reel spool : en
  • CH231289A - Clockwork movement with motor barrel. : en fr
  • CH231297A - Automatic lap. : en fr
  • ES164495A1 - A PERFECT GENERATOR OF GAS ACETYLENE : en es
  • GB560003A - Improvements in or relating to the shot-blasting of coil springs : en
  • ES164361A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF STYLOGRAPHIC INSTRUMENTS WITH PUNTA DE BOLILLA : en es
  • CA419032A - Fluid heater : en fr
  • CH231258A - Process for the production of a new dye of the methine series. : de en
  • US2344133A - Fluid system control : en
  • US2343927A - Conversion of hydrocarbon oils : en
  • CH231268A - Process for the preparation of multicolor photographic images. : de en
  • CH231356A - Method for determining the recording voltage for X-ray recordings. : de en
  • US2344320A - Wire stretcher : en
  • US2344457A - Composite ribbon : en
  • US2344171A - Tower type antenna : en
  • US2344124A - Refining vitamin oils : en
  • US2344421A - Shoe : en
  • CH231337A - Process for producing glass coatings on wires insulated with glass fiber, in particular electrical conductors. : de en
  • GB559990A - Method and apparatus for shaping metallic or non-metallic stock : en
  • GB560012A - Improvements in or relating to means for reading the indication of measuring instruments : en
  • US2343978A - Manufacture of nonporous metal articles : en
  • US2344011A - Siphon inlet : en
  • USD137453S - Design for a portable sanding machine : en
  • USD137457S - Design fob a dress : en
  • US2344365A - Bowling pin reconditioning apparatus : en
  • ES164273A1 - A PULSE DRIVER POWERED ON IMPULSES : en es
  • CA419010A - Feed-back circuit : en fr
  • CH231399A - Device on aircraft for adjusting the propeller blades. : de en
  • ES164065A1 - A SHOCK ABSORBER FOR AIRCRAFT : en es
  • CH231306A - Device for modeling with wax and other substances that soften when heated. : de en
  • US2343993A - Leveling device : en
  • CH231295A - Welding transformer for arc welding. : de en
  • CH231416A - Process for the preparation of a monoazo dye. : de en
  • CH231435A - Method for carrier-frequency multiple transmission of messages on lines. : de en
  • GB560036A - Improvements relating to gas purifiers : en
  • ES164533A1 - A PERFECTION IN THE VIBRANT PIEZOELECTRIC GLASS SUBJECT : en es
  • ES4114Y - Mold for the manufacture of cylindrical tanks of cement and asbestos sheet. : en es
  • US2344316A - Testing system : en
  • AU118231B2 - Improvements in hand supported pneumatic percussion tools for rivetting and like operations : en
  • CH231426A - Process for the preparation of a polymerization product. : de en
  • US2343929A - Method of treating hides and skins : en
  • US2344069A - Foot guard : en
  • CA419098A - Selenoazolidone preparation : en fr
  • US2344174A - Adjustable broiler grid : en
  • US2343880A - Method of printing serial numbers : en
  • US2344384A - Air conditioning : en
  • US2344414A - Presser mechanism for sewing machines : en
  • DE740282C - Photographic release film and release paper : de en
  • ES164523A3 - IMPROVEMENTS IN THE HYDRAULIC SCREENS : en es
  • FR891646A - Direction indicator, especially for motor cars : en fr
  • FR891721A - Method and device for the good reception of oscillations : en fr
  • FR891735A - Quick closing device for turbine installations : en fr
  • US2344214A - Refrigeration : en
  • CA419001A - Mono-filament production : en fr
  • CA419096A - Organic compound manufacture : en fr
  • CA419012A - Glass envelope sealing apparatus : en fr
  • CH231264A - Colloidal resin solution for paper sizing and process for their manufacture. : de en
  • CH231293A - A method and machine for manufacturing a hollow head and stem valve, and a valve obtained by this method. : en fr
  • CH231424A - Process for the preparation of an aminotriazine-formaldehyde reaction product. : de en
  • US2344420A - Machine tool : en
  • US2344067A - Gripping and releasing device : en
  • USD137465S - Design fob an arc welding device : en
  • AU851343A - Improved vapouriser and burner unit for oil fuel domestic cookers and the like : en
  • CH231197A - Manure crusher. : de en
  • CA419017A - Enamel coating : en fr
  • NL55942C - Hand saw for cutting curves : en nl
  • CH231430A - Pyrophoric lighter. : en fr
  • FR891641A - Continuous running automatic dryer device with reverse supply of dry fluid. : en fr
  • CH231375A - Circuit with a tunable oscillation circuit, especially for radio receivers. : de en
  • ES164281A1 - A PRODUCT FOR THE SYNTHESIS OF VINYL CHLORIDE : en es
  • GB559993A - Vee rope change speed converter unit : en
  • AU120628B2 - Improvemennts in or relating to elecrical fuses : en
  • US2344062A - Child's vehicle : en
  • DE745548C - Scissor spreader jumping camera with hinged bottom : de en
  • DK62024C - Lobeing for Roller Bearings for High Speeds and Loads. : da en
  • ES164299A1 - HERMETIC CLOSURE WITH PRESSION OF MULTIPLICATION BY WEDGE IN FIRE EXTINGUISHERS : en es
  • US2344289A - Composition containing a diamino diazinyl substituted-alkyl sulphide : en
  • US2344399A - Clutch control mechanism : en
  • CH231413A - Process for the production of a new azo dye. : de en
  • US2344359A - Paper container blank : en
  • US2344380A - Wheel suspension : en
  • CH231271A - A method of making a multilayered colloidal silver-containing material for color photography and a material made by this method. : de en
  • US2343905A - Typewriting machine : en
  • CA419024A - Fibrous container : en fr
  • CA419061A - Community refrigeration and gas system : en fr
  • CA418974A - Textile material waterproofing treatment : en fr
  • CA419087A - Gas mask : en fr
  • AU118225B2 - An improved machine Ior use in screw-cuiting, turning and other metall working operations : en
  • CH231239A - Process for the production of a textile auxiliary which acts as a softener : de en
  • US2344327A - Closure : en
  • US2344377A - Key lock and interlock foe cash : en
  • US2344373A - Electric cooker : en
  • US2344045A - Valve wheel : en
  • CA418999A - Cement mixture plasticity increasing method : en fr
  • CH231361A - Protective shield for electrical welding work. : de en
  • US2344348A - Handcuff : en
  • CA419090A - Liquid dispensing apparatus : en fr
  • AU852743A - An improved machine Ior use in screw-cuiting, turning and other metall working operations : en
  • ES164452A1 - AN APPARATUS PERSONAL CARTRIDGES : en es
  • CH231352A - Corpuscular beam apparatus. : de en
  • DK62020C - Coffee maker with Filter. : da en
  • USD137435S - Design for a bow compass : en
  • CA419031A - Scanning oscillation generator : en fr
  • CA419034A - Steam condenser : en fr
  • CA418958A - Pulp and hydrogenated product manufacture : en fr
  • CH231357A - Method and device for accelerated heating during the continuous annealing of tubular material moved in an induction furnace. : de en
  • ES164692A1 - A DISCHARGE PIPE : en es
  • GB559973A - Improvements in or relating to means for effecting movements in accordance with changes of light intensity and to apparatus operated thereby : en
  • GB559968A - Improved means for operating decompression valves in multi-cylinder internal combustion engines : en
  • CH231296A - Method and apparatus for restoring worn reamers. : de en
  • DE739655C - Kitchen cabinet consisting of separately manufactured upper and lower part : de en
  • US2344154A - Sulphonation process : en
  • US2343876A - Mine car : en
  • AU849943A - Improvements in hand supported pneumatic percussion tools for rivetting and like operations : en
  • CH231372A - Selector switch. : de en
  • GB559962A - Improvements in or relating to bowden wire mechanism : en
  • US2344134A - Portable elevator : en
  • CH231280A - Run-out method and device for measuring the friction in a bearing. : de en
  • US2344345A - Addressing machine : en
  • CA419066A - Television transmitting tube : en fr
  • US2344196A - Gas-heated soldering iron : en
  • US2344344A - Device for oscillographing electrical or mechanical processes : en
  • CH231415A - Process for the preparation of a monoazo dye. : de en
  • US2344058A - Free piston machine : en
  • US2344147A - Rolling machine : en
  • ES164673A1 - A DIMINUTE ELECTRIC MOTOR, UNIVERSAL CURRENT : en es
  • CH231248A - Method and device for the thermal conversion of gases. : de en
  • US2343939A - Brake arrangement : en
  • US2344393A - Lubricating oil composition : en
  • CH231208A - Process for the production of products from plastic, hardenable masses. : de en
  • CH231252A - Process for the preparation of branched aliphatic alcohols. : de en
  • ES164268A3 - PROCEDURE FOR GRINDING CALCIUM CARBIDE : en es
  • ES164420A1 - A PROCEDURE TO DEPARAFINE MINERAL OILS : en es
  • ES164744A3 - IMPROVEMENTS INTRODUCED IN THE DEVICES FOR AUTOMATIC RECORDING OF TELEPHONE CONVERSATIONS : en es
  • US2344118A - Typewriting machine with covering hood : en
  • FR891681A - Tongs for hanging out the laundry or for all similar uses : en fr
  • GB559996A - Improvements in or relating to kites : en
  • CH231332A - Heat exchanger of the spiral sheet design with two looping spiral channels that are firmly closed at one end. : de en
  • DE745668C - Oven with longitudinal air circulation : de en
  • GB560053A - Improvements in or relating to electric relays : en
  • GB559977A - Improvements in bead locks for the tire and rim assemblies of wheels : en
  • CA419055A - Erythroidine isolation from species of erythrina : en fr
  • CH231246A - Process for the production of microorganisms and the device for carrying out this process : de en
  • CA419041A - Hardness testing machine : en fr
  • US2343985A - Air separator : en
  • US2343973A - Acid condensation product of formaldehyde and acid condensation polymerization product of furfuryl alcohol and method for preparing the same : en
  • US2344337A - Core winding machine : en
  • US2343932A - Staple magazine and feed means for stapling machines : en
  • US2344284A - Comb frame for beehives : en
  • USD137455S - Design for a scarf : en
  • ES160129A1 - A ARTICULATOR FOR COMBINED MOVEMENTS : en es
  • ES164316A1 - IMPROVEMENTS INTRODUCED IN THE TRANSFERS OF LIQUID OF ROTATING BODY : en es
  • FR891718A - Friction wheel drive device : en fr
  • AU850743A - Improved lampshade or hood : en
  • CA418982A - Match extinguisher and receptacle : en fr
  • CA419026A - Storage battery : en fr
  • US2343989A - Registering system : en
  • US2344188A - Process of preparing dibenzyl : en
  • CA419093A - Aluminium manufacture : en fr
  • US2344123A - Power lift : en
  • US2344254A - Telemetering apparatus : en
  • US2343967A - Engine starter : en
  • CA419003A - Precision cylindrical surface generating device : en fr
  • ES160674A1 - A BANK WITH HIS MECHANISM AND ACCESSORIES FOR MANUFACTURING MANUFACTURING BY HOLLOW BRICK PIECE PIECES : en es
  • ES164324A1 - IMPROVEMENTS IN THE CONSTRUCTION OF BRANCHES FOR PRESSURE TUBES OR OTHER SIMILAR HOLLOW BODIES : en es
  • DE745617C - Frame, especially for motor vehicles with oscillating semi-axles and driven wheels : de en
  • ES164249A1 - IMPROVED IMPROVEMENTS IN THE CONSTRUCTION OF TRAILERS-CAMPING KITCHEN ON TOW : en es
  • CH231404A - Process for the preparation of a polyazo dye. : de en
  • AU118227B2 - ]Improvements in waist-fitting garments : en
  • USD137449S - Design fob a jacket : en
  • CH231312A - Bearing bush that is rolled up from sheet metal. : de en
  • FR891620A - Process for preparing nitriles from halogen hydrins : en fr
  • CA419045A - Lathe : en fr
  • AU118212B2 - Improvements in and relating to starting switches : en
  • CH231362A - Adjustable eye protection device. : de en
  • ES164720A1 - A WINDING MACHINE : en es
  • CA419013A - Variable inductance device : en fr
  • USD137442S - Design fob a high chair tray : en
  • CH231354A - Method of operating electromagnetic motors. : de en
  • US2343956A - Deep hardening silicon titanium steel : en
  • USD137450S - Design for a dental floss holder : en
  • USD137473S - Design for an offset double propeller : en
  • DE745620C - Bucket wheel excavator with a height-adjustable bucket wheel that can be moved against the excavation impact : de en
  • ES164356A1 - BRAKE MECHANISM FOR BIKES AND MOTORCYCLES : en es
  • FR52387E - Process of activating vegetation by the combination of cosmic waves and radioactive waves : en fr
  • US2344378A - Chassis, especially for motor vehicles : en
  • USD137463S - Design for a separable cigarette holder : en
  • USD137436S - Design for a necktie holder : en
  • CA419070A - Friction brake : en fr
  • DE745196C - Device for registering or measuring the pressure curve of acoustic waves : de en
  • DE745212C - Tear-off device for flat combing machines : de en
  • DK62011C - Frame stroke for Drill pipes. : da en
  • ES164335A1 - A PERFECTION IN THE CONSTRUCTION OF CENTRIFUGAL HYDROEXTRACTORS : en es
  • GB559978A - Improvements in or relating to means for reducing the surge voltage when an inductive circuit is interrupted : en
  • GB560064A - Improvements relating to stoves for drying foundry moulds and cores, and for other analogous purposes : en
  • FR891636A - Front piece for jackets, jackets, overcoats, coats or the like with lapels : en fr
  • GB559988A - Improvements in and relating to box and drum type vacuumising and gassing chambers for food containers and the like to enable the said containers to be sealed while still enclosed, at the same time preserving the minimum volume of the chamber : en
  • FR52388E - Spiral tip in two parts, for support stops used in bowden sheaths or all applications : en fr
  • US2343883A - Air navigation plotter : en
  • DE745439C - Process for regulating the addition of air or oxygen to the circulating gas during the periodic resuscitation of gas cleaning compounds : de en
  • ES164435A3 - A NEW SYSTEM WITH ITS CORRESPONDING DEVICES, TO MAINTAIN A CONSTANT RELATIONSHIP BETWEEN THE QUANTITIES OF MATERIALS SUPPLIED TO A DEVICE AND THOSE DISPLACED BY THE SAME : en es
  • ES164487A1 - IMPROVEMENTS IN THE LOCKS : en es
  • FR891660A - Steam production plant : en fr
  • GB560008A - Improvements in optical systems for modulating light beams : en
  • FR52381E - Improvements to circuit breakers : en fr
  • US2344201A - Carbon-sheet support for typewriters : en
  • FR891728A - Food and its preparation process : en fr
  • GB559995A - Improvements in apparatus for cutting continuous filaments into staple fibre : en
  • ES164704A1 - A PROCEDURE FOR THE OXIDATION OF SYNTHETIC PARAFFINS : en es
  • GB559969A - Improvements in the manufacture of mower fingers : en
  • USD137454S - Design for a lady s hat : en
  • US2344221A - Lantern : en
  • CH231423A - Process for the production of a complex polymer from vinyl chloride. : de en
  • ES164292A1 - IMPROVEMENTS IN THE MANUFACTURE OF SANITATION MATERIAL : en es
  • ES164393A1 - A HOT GAS ENGINE OF MORE THAN ONE CYCLE : en es
  • US2343980A - Film reel : en
  • CA419081A - Electrical rectifier : en fr
  • US2343891A - Device for analyzing surface defects : en
  • US2344263A - Projector : en
  • USD137474S - Design for a comb : en
  • USD137475S - Design for a picture frame : en
  • CA419079A - Wire harness : en fr
  • CH231342A - Quick changeover device for regulating devices operated by synchronous release. : de en
  • CA418993A - Concrete structure densifying composition : en fr
  • US2344071A - Surgical stitching apparatus : en
  • CH231200A - Nail. : de en
  • DE745356C - Fluid regulators for prime movers, in particular for internal combustion engines : de en
  • US2344082A - Shock absorber : en
  • US2344442A - Cutting-off blade : en
  • DE745597C - Process for the production of oxide layers on objects made of aluminum or aluminum alloys : de en
  • CA419023A - Cutting or sawing machine : en fr
  • ES164313A1 - IMPROVEMENTS INTRODUCED IN VEHICLES INTENDED TO GO THROUGH THE FIELD : en es
  • US2344049A - Shuttle slider : en
  • US2344322A - Cable anchor : en
  • CH231243A - Shoe closure. : de en
  • CH231307A - Device for receiving can lids to be dried, freshly painted or coated with a liquid sealant. : de en
  • CH231369A - Method for generating a control frequency for level regulation in a carrier frequency multi-channel system. : de en
  • CA419048A - Dental syringe : en fr
  • ES164284A1 - A PROCEDURE FOR OBTAINING FATTY ACIDS AND OTHER OXIDATION PRODUCTS : en es
  • US2344044A - Aircraft wing : en
  • US2344278A - Automatic door bottom : en
  • US2344325A - Wire opening container : en
  • ES164537A1 - A PROCEDURE FOR PREPARING 7-DEHIDROSTEROL : en es
  • ES164542A3 - IMPROVEMENTS IN PNEUMATIC HAMMERS : en es
  • GB559941A - Improvements relating to ion-exchange materials : en
  • DE745559C - Process for obtaining quaternary heterocyclic nitrogen compounds : de en
  • DK62021C - Central heating boiler of the Combustion type. : da en
  • DE745453C - Device for current removal and current supply to electrical machines : de en
  • GB560013A - Improvements in or relating to thermionic valve circuits : en
  • ES164253A3 - A PROCEDURE FOR THE PREPARATION OF COVERING TAPES ADAPTABLE TO BICYCLE HANDLEBARS AND HANDLES OF ANY KIND : en es
  • FR891611A - Amino-aryl-sulfonic acid dicyano-diamidides and process for their preparation : en fr
  • DE745362C - Drive belt for weft insertion needles from needle looms : de en
  • AU495342A - Improvements in or relating to pipe couplings : en
  • CA419025A - Adhesive suspension in water : en fr
  • DE745646C - Coal converter for electrical machines : de en
  • ES164306A1 - IMPROVEMENTS IN FRICTION DEVICES TO REDUCE THE SPEED OF VEHICLES AUTOMOVILES : en es
  • GB559981A - Improvements relating to tube joints : en
  • ES164740A2 - IMPROVEMENTS MADE IN THE SUBJECT OF MAIN PATENT NUMBER 149616 : en es
  • FR891668A - Device applicable to typewriters, accounting machines or the like for engaging one or more attached sheets : en fr
  • GB559971A - Improvements in or relating to illuminating devices for episcopic projection apparatus : en
  • CA419083A - Selenium type rectifier : en fr
  • US2344073A - Method of making roofing granules : en
  • ES164674A1 - IMPROVEMENTS IN ELECTRIC MOTOR VEHICLES AND SIMILAR VEHICLES : en es
  • ES164380A1 - IMPROVEMENTS INTRODUCED IN VERTICAL BORING MACHINES FOR AUTOMOBILE CYLINDERS : en es
  • FR891677A - Proportional water distributor : en fr
  • GB560037A - Apparatus for determining the total specific surface or the particle size distribution of powdered materials : en
  • ES164713A1 - AN ELECTRIC ADVISOR OF MAXIMUM OR MINIMUM TEMPERATURE : en es
  • US2344051A - Cable car and spinner attachment : en
  • CA418998A - Cement mixture plasticity increasing method : en fr
  • CA419075A - Pellet for bread : en fr
  • FR891737A - reduction vice : en fr
  • CA419021A - Calculator : en fr
  • CH231397A - Torsion spring, especially for the suspension of aircraft chassis. : de en
  • ES164297A1 - PNEUMATIC SAFETY WHEEL SYSTEM : en es
  • FR891672A - Dental lathe right angle locking system : en fr
  • AU694442A - Improvements in portable concrete rodding machine : en
  • CA419028A - Storage battery : en fr
  • NL56769C - : en
  • CH231292A - Process for producing a rolled product from rollable metal with a thickness varying in the longitudinal direction. : de en
  • US2343937A - Hydraulic built-in jack : en
  • US2344075A - Apparatus for transforming mechanical energy into heat : en
  • US2344105A - Exterminating agent for vermin : en
  • US2344119A - Electromagnetic signal hooter : en
  • US2344357A - Auxiliary window construction : en
  • CA418969A - Toilet paper roll wrapping machine : en fr
  • ES164428A3 - A PROCEDURE FOR THE OBTAINING OF CALCIOCIANAMIDE : en es
  • CH231422A - Gas-tight housing for continuously working filter. : de en
  • US2344324A - Railway signaling system : en
  • US2344104A - Manufacture of sodium sulphide : en
  • US2344483A - Submarine mine : en
  • ES164535A1 - A PROCEDURE FOR THE OBTAINING OF A MEANS TO COMBAT ANIMAL PARASITES OF THE SOIL : en es
  • GB560040A - Improvements in or relating to the manufacture of lactams : en
  • US2344109A - Automatic gun having sliding barrel : en
  • US2344441A - Interchangeable electric apparatus : en
  • US2344351A - Gangway connection between two vehicles coupled to each other, particularly flexiblegangway bellows for railway carriages : en
  • AU1122143A - Improvements in or relating to pipe couplings : en
  • CH231309A - Multi-element torsion spring. : de en
  • DE745637C - Skin cleanser : de en
  • US2343959A - Air conditioning unit : en
  • US2344238A - Compressed fluid condenser : en
  • CH231207A - Installation for the electric heating of a liquid. : en fr
  • ES164251A1 - A MECHANICAL DEVICE FOR THE HYGIENE SUPPLY OF BLESSED WATER : en es
  • ES164302A1 - IMPROVEMENTS IMPROVED IN SPARK PLUGS FOR INTERNAL COMBUSTION ENGINES : en es
  • CA419033A - Steam purifying apparatus : en fr
  • NL55922C - : en
  • CH231272A - Device for the automatic development of photographic sheets. : de en
  • FR891679A - Improvements to rigid sole shoes in one piece : en fr
  • GB560060A - Improvements in or relating to evaporators : en
  • CA419092A - Engine charge forming device : en fr
  • GB559942A - Improvements in or relating to the manufacture of plastic compositions : en
  • CH231211A - Cistern. : de en
  • ES163797A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • FR891680A - Drive mechanism control mechanism for intermittent advancement of motion pictures : en fr
  • GB560063A - High speed telegraph transmitter : en
  • US2344005A - Liquid-dispensing apparatus : en
  • US2344125A - Nozzle for the manufacture of mineral wool : en
  • CH231319A - Self-generator of pressurized gas with at least one free piston. : en fr
  • CA419019A - Metal container seam : en fr
  • CA419040A - Razor blade magazine : en fr
  • GB559983A - Improvements in or relating to electric soldering irons : en
  • CH231301A - Method and device for lapping the tooth base of spur gears. : de en
  • CH231333A - Method for operating an energy transmission system with high-voltage direct current in the transmission line. : de en
  • AU118217B2 - Improvements in or relating to pipe couplings : en
  • US2344085A - Process for the polymerization of alkoxy-butadienes : en
  • DE745651C - Device for stereoscopic vision and binocular eye vision testing : de en
  • ES164277A1 - A NUMERICAL COMBINATION LOCK : en es
  • FR891704A - Polycylindrical internal combustion engine : en fr
  • CH231383A - Truck for lifting and moving bulky, heavy objects. : de en
  • CH231432A - Two-stroke internal combustion engine. : de en
  • CH231262A - Process for the production of phosphate fertilizers in powdery to granular form. : de en
  • US2343972A - Novel furfuryl alcohol-formaldehyde acid condensation resinous product and method for preparing the same : en
  • CA418960A - Timber cutter-cable chain : en fr
  • CH231225A - Steel cabinet. : de en
  • US2344093A - Combination slip cover : en
  • US2344236A - Auxiliary rudder for stern wheel vessels : en
  • US2343962A - Measuring pump : en
  • CH231223A - Holder for tea portions packed in bags. : de en
  • US2344183A - Burner control for tending fire : en
  • CH231405A - Process for the preparation of a polyazo dye. : de en
  • CA419015A - Emulsion colour fog formation preventing method : en fr
  • ES164780A1 - IMPROVEMENTS INTRODUCED IN THE ASSEMBLY OF ELECTRICAL DISTRIBUTION BOXES : en es
  • ES164773A1 - AN INTERNAL COMBUSTION ENGINE : en es
  • ES164698A1 - IMPROVEMENTS IN THE VENTILATION OF CLOSED ELECTRICAL ENGINES : en es
  • US2343924A - Folding tripod : en
  • ES163465A1 - A PROCEDURE FOR THE MANUFACTURE OF A PRODUCT DRAFTING OF INK AND PHOTOGRAPHIC SURFACES : en es
  • ES164493A1 - A PERFECTION IN THE OBTAINING OF THE CICLOHAXANONOXIMA : en es
  • CA419097A - Dyestuff intermediate preparation : en fr
  • ES163601A1 - A MACHINE FOR PRESSING OR PACKING STRAW : en es
  • ES164330A1 - A PROCEDURE FOR STAMPING CELOFANA SHEETS : en es
  • CH231340A - Disconnector. : de en
  • ES164515A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NuM. 162868 : en es
  • CH231436A - Method for carrier-frequency multiple transmission of messages on lines. : de en
  • ES164510A1 - A NEW CHEMICAL-MECHANICAL PROCEDURE FOR THE OBTAINING OF SYNTHETIC RUBBER FOR THE PREPARATION OF PULIMENTS AND VARNISHES : en es
  • DK62028C - Photographic Camera with a Photoelectric System for Setting the Exposure Determination. : da en
  • FR891738A - Method and device for the secret of transmission of messages : en fr
  • CA418957A - Vitamin incorporation into foods : en fr
  • US2344463A - Engine starter gearing : en
  • US2344312A - Skip or hopper agitating and raising means : en
  • CA419014A - Photographic film : en fr
  • CH231216A - Device for displaying a quantity of good solid physical state in a container, e.g. B. dusty, granular or lumpy material, in particular for displaying a fuel supply in motor vehicle gas generators. : de en
  • FR891608A - Photographic monocle : en fr
  • US2344390A - Raising and lowering mechanism : en
  • ES164727A1 - IMPROVEMENTS IN THE MANUFACTURE OF CAPS FOR THE EXTRACTION OF OIL BY COMPRESSION OF OLEAGINOUS MASSES : en es
  • FR52391E - Device for obtaining automatically and in all operating conditions the constant dosage of the mixture to be supplied to internal combustion engines supplied with electromagnetic injection : en fr
  • FR52396E - Improvements to gasifier filters : en fr
  • US2343996A - Pneumatic cushion : en
  • US2344334A - High voltage winding : en
  • FR891647A - Operating mechanism for machines, in particular machine tools : en fr
  • ES164433A3 - IMPROVEMENTS MADE IN ELECTRIC MOTORS : en es
  • US2344020A - Method of centrifugally casting tubular bodies : en
  • CH231366A - System for the exchange of messages by means of modulated high-frequency carrier currents. : de en
  • ES164733A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN APPLICANT NUMBER 161096 : en es
  • GB559958A - Improvements in or relating to bobbin-identifying apparatus for yarn and like winding machines : en
  • US2344387A - Method of producing sorel cements : en
  • US2344410A - Clutch mechanism for accounting machines : en
  • ES164058A1 - A HYDRAULIC DIRECTION MOTION DEVICE : en es
  • ES164551A1 - A PROCEDURE TO OBTAIN ALKOXI-2 NITRO15 ANYLINES WITH ITS CASE ALKOXI-2 NITRO-4 ANILINAS, CONTAINING AN ALKOXYL GROUP MORE THAN TWO ATOMS OF CARBON : en es
  • DK62019C - Folding Table or Folding Chair. : da en
  • CH231240A - Brassiere. : de en
  • ES164375A1 - IMPROVEMENTS INTRODUCED IN AUTOMATIC GUNS : en es
  • FR891710A - Improvements in methods for testing devices, mechanical impulses : en fr
  • US2344403A - Orchard heater : en
  • US2343948A - Rotary motor : en
  • US2344349A - Wheel balancing machine : en
  • CA419084A - Shoe sewing machine : en fr
  • ES164331A1 - SOME IMPROVEMENTS IN THE TAGS TO PRINT HAND-FABRIC : en es
  • ES164557A1 - IMPROVEMENTS IN THE MANUFACTURE OF SHAVING MACHINES : en es
  • US2343889A - Apparatus for electric heating : en
  • US2344180A - Soluble benzyl ether of dextran : en
  • ES164439A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 153515 : en es
  • CH231407A - Process for the preparation of a polyazo dye. : de en
  • US2343975A - Process and apparatus for uniting sheets of thermoplastic materials : en
  • DE745588C - Magnetogram carrier guide : de en
  • CH231406A - Process for the preparation of a polyazo dye. : de en
  • CA419050A - Thermostatic control device : en fr
  • ES164847A1 - IMPROVEMENTS INTRODUCED IN THE CENTRIFUGAL PENDULUMS, ESPECIALLY IN THE DESTINATIONS TO DYNAMIC VIBRATION SHOCK ABSORBERS : en es
  • FR891658A - Improvements made to blotting pads : en fr
  • ES164261A1 - A POWER TRANSFORMER FOR RECEIVING APPLIANCES AND AMPLIFIERS : en es
  • US2343871A - Olive press : en
  • US2344366A - Counterrotating supercharger : en
  • ES162941A1 - IMPROVEMENTS IN RETAINING VALVES, ESPECIALLY FOR BODIES THAT CAN BE INFLATED, LIKE FLOATING VESTS AND PNEUMATIC PADS : en es
  • ES163371A1 - AN INTERLOCKING DEVICE FOR HIGH VOLTAGE SWITCHES : en es
  • CA419067A - Gaseous discharge tube system : en fr
  • US2344089A - Separation of fatty acids from rosin acids : en
  • ES164434A3 - IMPROVEMENTS IN THE CALDEO CYLINDERS : en es
  • ES164465A1 - A NEW WHEEL TOY SYSTEM : en es
  • ES164556A1 - IMPROVEMENTS INTRODUCED IN THE MOWER MACHINES : en es
  • ES164667A1 - SYSTEMS OF BRAKE OF THREAD FOR TEXTILE MACHINES, ESPECIALLY FOR CECTTO RECTLING MACHINES : en es
  • FR891663A - Process for preparing a molecular combination of sulfanilamide : en fr
  • ES164538A1 - IMPROVEMENTS INTRODUCED IN THE BRAUN PIPES WITH RECTANGULAR SCREEN : en es
  • DK62014C - Bearing system for visible Indication by Bearing according to the Goniometer method. : da en
  • GB560046A - Improvements relating to the electrodeposition of copper : en
  • CH231338A - High frequency conductors, in particular for overhead lines. : de en
  • US2344025A - Fermentative production of 2,3-butylene glycol : en
  • ES164717A1 - IMPROVEMENTS IN THE MECHANICAL AVENTADORES : en es
  • ES163495A1 - A DISTRIBUTOR-DOSER DEVICE FOR CENTRAL LUBRICATION SYSTEMS : en es
  • ES164503A1 - A PROCEDURE TO IMPROVE THE DURATION OF GLASS CONTAINERS : en es
  • DE745505C - Attachment of retaining screws to glass roof bars : de en
  • ES164353A1 - IMPROVEMENTS IN THE MACHINES FOR RETRATING IN QUICK SERIES : en es
  • CH231244A - Shoe sole fittings. : de en
  • CH231365A - Circuit arrangement for alternating current telegraphy, in which the separating and character current steps are transmitted as alternating current trains of the same frequency but different phase positions. : de en
  • CA418980A - Mechanical remote control means : en fr
  • CH231224A - Device for stretching and holding sheets on the lying surfaces of beds and other sleeping areas. : de en
  • CH231250A - Process for the production of chlorine dioxide. : de en
  • US2343960A - Trimming machine : en
  • USD137440S - Design fok a scoop : en
  • USD137469S - Design for a menu card : en
  • ES164305A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 163042 : en es
  • GB559960A - Improvements in the manufacture of laminated wooden blocks or articles : en
  • US2344088A - Permutation and alarm lock : en
  • CH231328A - Crankshaft for in-line internal combustion engines. : de en
  • CA418984A - Building structure : en fr
  • CA419022A - Pneumatic tool : en fr
  • ES164665A3 - PROCEDURE FOR OBTAINING NEW MATERIAL FOR PACKAGING : en es
  • DE745518C - Freezing food : de en
  • DE745649C - Process for the disposal of the gas water mainly containing phenol from gasification plants : de en
  • US2343934A - Lipstick holder : en
  • US2344008A - Box structure : en
  • ES164458A1 - A PROCEDURE FOR THE MANUFACTURE OF RHEOSTATES, ESPECIALLY APPROPRIATE TO REGULATE THE LUMINOUS INTENSITY OF THE ELECTRIC LAMPS OF INCANDESCENCE : en es
  • ES164682A1 - NEW PROCEDURE FOR MARKING AND ORNAMENTING CONTAINERS AND OTHER CONTAINERS OR OBJECTS MANUFACTURED WITH SOLIDIFIABLE OR SOLID SUBSTANCES : en es
  • GB560032A - Electrical wiring system : en
  • US2344234A - Key identifier : en
  • CA419057A - Bottle closure fixing apparatus : en fr
  • US2344208A - Process for regenerating a "spent" noble metal oxide hydrogenation catalyst : en
  • US2344094A - Jig : en
  • US2344246A - Material digging and handling apparatus : en
  • CH231346A - Converter for heavy current with mechanical contacts. : de en
  • CH231310A - Method for limiting resonance vibrations, in particular for crankshafts of internal combustion engines, and device for carrying out the method. : de en
  • US2344018A - Submarine paint : en
  • US2344411A - Treatment of cellulosic material to increase its reactivity : en
  • US2343915A - Piston ring : en
  • DE745216C - The conveyor bridge spanning the excavation shock, supported above and below in a spatially movable manner on the chassis : de en
  • ES164762A1 - IMPROVEMENTS IN THE MECHANISMS OF OPERATION OF THE TELESCOPE FOLDERS : en es
  • NL55877C - : en
  • US2344150A - Plumbing fixture : en
  • US2344372A - Means for easily delivering paper, such as wrapping paper : en
  • US2344159A - Rotary internal combustion engine : en
  • AU118228B2 - Improvements ina solenoid actuated pump : en
  • US2344006A - Method of making electromagnetic induction apparatus : en
  • US2344186A - Holder : en
  • US2344474A - Two-way plow : en
  • ES164006A1 - A PROCEDURE AND APPARATUS FOR THE EXTRACTION OF NICOTINE CONTAINED IN TOBACCO : en es
  • ES164057A1 - A HYDRAULIC TRANSMISSION DEVICE FOR STEERING MOVEMENTS : en es
  • ES164585A1 - IMPROVEMENTS IN TOWING ARTIFICIES TO TRANSPORT THE ESUIADORES BY THE CABLE OF TRAILER : en es
  • US2344038A - Wheel and tire lock : en
  • DE745517C - Foldable keyboard for keyboard instruments : de en
  • CH231227A - Diving device for the preparation of infusion beverages. : de en
  • CH231320A - Two-stroke internal combustion engine. : de en
  • CH231408A - Process for the preparation of a polyazo dye. : de en
  • ES164804A3 - IMPROVEMENTS IN THE STOP VALVES FOR PRESSURE FLUIDS : en es
  • CH231389A - Self-locking worm compensation gear, in particular for motor vehicles. : de en
  • US2343858A - Method and apparatus for coating : en
  • US2343920A - Textile treatment process : en
  • CH231425A - Process for the preparation of an aminotriazine-formaldehyde reaction product. : de en
  • US2344140A - Electroautomatic document collector and distributor : en
  • CH231313A - Spindle adjustment device. : de en
  • US2344010A - Combination beach robe, towel, and receptacle : en
  • GB559980A - Improvements relating to valves of super-charged internal-combustion engines : en
  • ES164586A1 - PROCEDURES FOR THE OBTAINING OF CONDIMENTS OR BOILS FOR SOUPS, BY MEANS OF HYDROLYTIC LIQUEFACTION OF MIXES OF ANIMAL AND VEGETABLE RAW MATERIALS : en es
  • FR891657A - Operating mechanism for rotary drawers : en fr
  • FR891664A - Oven coating : en fr
  • FR891651A - Hydraulic device for actuating landing gear or the like retractable inside the airplane as well as the flaps closing the passage openings : en fr
  • FR891719A - Jumper attachment for retaining laundry and fabrics on clotheslines and others : en fr
  • CH231409A - Process for the production of a new azo dye. : de en
  • CA419089A - Straddle truck shoe control mechanism : en fr
  • US2343892A - Rope structure and method of making same : en
  • CH231222A - Suspension device for curtains and drapes with roller balls. : de en
  • CA418968A - Bag handle and closure : en fr
  • CA419056A - Alloxazine and isoalloxazine production : en fr
  • FR891618A - Economical wooden or iron frame with superimposed and crossed slats : en fr
  • CH231368A - Device for limiting the current in a lamp filament circuit. : en fr
  • DE745551C - Jet pipe for carbon dioxide snow blowers : de en
  • ES164710A1 - IMPROVEMENTS INTRODUCED IN DRY GAS METERS : en es
  • US2344350A - Hosiery : en
  • CH231298A - Tour automatique. : de en fr
  • US2344177A - Burner : en
  • DE745503C - Fanning the fire of a gas generator that supplies gas to an internal combustion engine : de en
  • DE745628C - Heavy-current drive switch, especially foot-operated drive switch for road vehicles : de en
  • ES164564A3 - A PROCEDURE FOR THE MANUFACTURE OF SOLID, PRESSED OR MOLDED BODIES, FORMED OF FIBROUS ELEMENTS IMPREGNATED WITH PRODUCTS OBTAINED BY THE CONDENSATION OF UREA (CARBAMIDE) OR ITS DERIVATIVES, IN THE PRESENCE OF FORMOL : en es
  • CH231353A - Intermediate layer for wire windings, especially on spools. : de en
  • US2343896A - Sanitary and safety pipe-floor connection : en
  • US2343894A - Towing truck : en
  • US2344313A - Front apron construction : en
  • CA418975A - Textile material waterproofing treatment : en fr
  • CH231324A - Method and device for processing and introducing liquid fuel into the combustion chamber of internal combustion engines. : de en
  • ES164645A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NO. 133600 : en es
  • US2343942A - Piston ring : en
  • US2343944A - Extensible antenna : en
  • ES164272A1 - A DEVICE FOR MANUFACTURING FLEXIBLE AND ENDLESS PIPES AND COVERS : en es
  • ES163861A1 - A PROCEDURE FOR THE OBTAINING OF VITAMIN C : en es
  • ES164269A3 - PROCEDURE FOR OBTAINING CALCIOCIANAMIDE : en es
  • ES164714A1 - AN ELECTRICAL WARNING AGAINST THEFT : en es
  • DE745364C - Process to improve the properties of dark colored flour passages that cannot be baked : de en
  • ES164329A1 - A GENERATOR OF STEAM WITH REHEATTER AND AIR HEATER, FOR THERAPEUTIC, HYGIENIC AND BEAUTY PURPOSES : en es
  • US2343913A - One-piece safety razor : en
  • US2344319A - Method for the purification of titanium tetrachloride : en
  • GB560066A - Improvements in contact arrangements in electric switches : en
  • ES164496A1 - AN EQUIPMENT CONSISTING OF A PERFECTED ACETYLENE TORCH : en es
  • FR891607A - Improvements in devices for recovering fibers contained in waste liquids : en fr
  • CH231428A - Process for the production of photosensitive systems. : de en
  • US2344423A - Fastener : en
  • CH231358A - Three-phase electrode crucible salt bath furnace. : de en
  • GB559947A - Mining machine cutter bars : en
  • ES164792A1 - A PROCEDURE WILL OBTAIN CINC FOR THE INSUFLATION OF MININAL OF CINC OR METALLURGY PRODUCTS THAT CONTAIN IT IN THE OVEN OF CUBA : en es
  • GB560047A - Improvements relating to shock absorbers : en
  • US2344427A - Adhesive applying mechanism : en
  • ES164291A1 - A NEW PROCEDURE FOR THE OBTAINING OF ALUMINUM AND ITS ALLOYS : en es
  • FR891626A - Gasifier, in particular for motor cars : en fr
  • ES164737A1 - A MACHINE TO EXPAND AND REDUCE THE SIZE THAT IS DESIRED OF ALL KINDS OF PLANS, DRAWINGS, PRINTED, DOCUMENTS, PHOTOGRAPHS AND SIMILAR : en es
  • ES164480A3 - A CLUTCH MECHANISM, ESPECIALLY APPLICABLE TO AUTOMATIC MACHINES TO CLOSE CYLINDRICAL CAN-LEAF JARS : en es
  • FR891695A - Electric rotary hearth oven for rapid heating of the plots : en fr
  • DE745694C - Observation device for inaccessible underwater areas : de en
  • GB559985A - Improvements relating to electrical apparatus for indicating liquid levels : en
  • GB559959A - Improvements in or relating to screw and nut fastening devices : en
  • FR891625A - Agents for drying and softening water : en fr
  • ES164384A1 - IMPROVEMENTS INTRODUCED IN ELECTRICAL PRJECTORS : en es
  • US2344034A - Railway car bolster suspension : en
  • FR891661A - Process to improve soaps and detergents : en fr
  • ES164352A3 - PROCEDURE FOR THE MANUFACTURE OF HOLLOW MOLDED RUBBER OBJECTS : en es
  • ES164751A1 - A PROCEDIMEINTO FOR PREPARING GRANE FLOURS OF CEMENT IN THE FORM OF CEMENT CLINKER BY THE METHOD OF CONCRETION AND ABSORPTION SHOULDER : en es
  • ES164574A1 - PROCEDURE FOR THE OBTAINING OF A PROTECTIVE COVER OF SEVERAL LAYER OF LAKE FILMS, ESPECIALLY FOR BOXES OR BOTTLES OF BLACK PLATE INTENDED TO PRESERVE FOOD AND MEANS OF CONSUMPTION : en es
  • ES164459A1 - A PROCEDURE FOR OBTAINING PARTS FOR FLOORING OR SLEEPING WITH SIDE STRIPS FOR FOOTWEAR CONFECTION : en es
  • FR891652A - Printing mold preparation process : en fr
  • US2343878A - Humidity measuring and control apparatus : en
  • US2344063A - Weed-destroying preparation : en
  • CA418994A - Metallic container : en fr
  • GB559943A - Improvements in or relating to abrasive coated articles : en
  • CH231363A - Convertible stretcher. : en fr
  • FR891722A - Chassis for self-propelled rail vehicles : en fr
  • FR891708A - Toy : en fr
  • ES164591A1 - IMPROVEMENTS INTRODUCED IN DRY SHAVING MACHINE HEADS : en es
  • US2343999A - Variable inductor : en
  • GB560039A - Improvements in or relating to rear springing for motor-cycles : en
  • ES164327A1 - IMPROVEMENTS IN THE PROVISIONS TO FIX BEARINGS IN THE MATRIX PLATES TO PRINT ADDRESSES : en es
  • ES164553A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF THE FILTRATION DEVICES, CONSTITUTED BY STACKS OF THIN FILTERS OF TEXTILE OR FIBROUS MATERIAL, SUCH AS PAPER : en es
  • DK62034C - Device by belt conveyors. : da en
  • ES164592A1 - AN APPARATUS PROVIDED OF A DEVICE FOR DRIVING A JUMP FROM A FILM : en es
  • GB560015A - Improvements in and relating to liquid circulating systems : en
  • GB560038A - Improvements in or relating to shoe upper conforming machines : en
  • US2344102A - Nut to be fixed by an adhesive : en
  • US2344392A - Crankcase lubricant and chemical compound therefor : en
  • US2344444A - Construction of turbomachines : en
  • US2344055A - Dust protector for cylinders : en
  • US2344202A - Plant receptacle : en
  • US2344165A - Window blind : en
  • US2344438A - Instructive and demonstration apparatus or toy for the construction of various electric machines and devices : en
  • ES164664A1 - A DESKTOP MACHINE FOR AUTOMATICALLY FILLING INJECTABLE BLISTERS : en es
  • FR891715A - Composition replacing copper sulphate for all agricultural treatments : en fr
  • ES164341A2 - IMPROVEMENTS IN THE PROCEDURE FOR CONSTRUCTION OF REINFORCED CONCRETE FLOORS : en es
  • ES164775A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NO. 161206 : en es
  • DK62031C - Abrasive coating for sharpening instruments for cutting instruments, in particular razors and razor blades. : da en
  • GB560010A - Improvements in or relating to carburetters for internal combustion engines : en
  • US2343860A - Sulphur product and method of producing same : en
  • US2344354A - Valve construction : en
  • US2344402A - Toy bomb : en
  • FR891701A - Two-stroke, opposed-piston, four-cylinder square engine : en fr
  • GB560067A - An improved target carrying stand : en
  • FR891699A - Safety lock : en fr
  • US2344103A - Method for conducting contact catalyst conversions of fluid reactants : en
  • DK62017C - Device by Molds. : da en
  • ES164336A1 - A PHOTOGRAPHIC SHUTTER APPARATUS : en es
  • FR891697A - Reduced rotor drive turbines : en fr
  • ES164555A1 - AN INSTALLATION TO BOTT A SUSPENDED RESCUE BOTTLE OF CURVED SERVICE, ROTATING EVERY ONE AROUND A VERTICAL AXIS : en es
  • GB559998A - Composite structural metal panel : en
  • ES164421A1 - A PUMP DENTED OF SILENT GEARS AND PROCEDURES FOR ITS MANUFACTURE : en es
  • ES164683A1 - THREAD TENSION DEVICE FOR COTTON RECTLING MACHINES : en es
  • CA418995A - Skelp welding unit with rolls : en fr
  • US2344296A - Means and method for cathode ray oscilloscope observation and recordation : en
  • US2343907A - Steam boiler : en
  • US2344191A - Crystallizing coating composition : en
  • US2344243A - Grinding machine work head : en
  • US2343969A - Perpetual calendar : en
  • US2344164A - Electroreciprocal system : en
  • FR891622A - Automatic machine for the projection of metal, enamel or paint on a flat or curved surface : en fr
  • ES164476A1 - IMPROVEMENTS IN THE CONSTRUCTION OF THE ELEMENTS FOR THE PERMANENT HAIR CURLING : en es
  • US2343923A - Convertible reclining chair : en
  • US2344400A - Gas burner : en
  • US2344462A - Plaited skirt : en
  • CH231233A - Spinning plant, particularly applicable to glass spinning. : en fr
  • CH231403A - Process for the preparation of a polyazo dye. : de en
  • ES164514A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NuM. 162868 : en es
  • CA419064A - Television synchronizing system : en fr
  • US2343940A - Brake arrangement : en
  • US2344184A - Heat exchange apparatus : en
  • US2344395A - Lubricating oil : en
  • US2344405A - Photographic printing machine : en
  • US2344083A - Engine starting apparatus : en
  • ES6340Y - Perfected sneakers. : en es
  • DE745598C - Pocket camera with watch-shaped housing : de en
  • ES164395A1 - COMBINED INSTALLATION OF MACHINES FOR THE MANUFACTURE OF ELECTRICALLY WELDED TUBES, OF STEEL STRIPS : en es
  • CH231273A - Porte-plume permettant d'utiliser des plumes de même largeur mais plus courtes que celles utilisées avec les porte-plumes usuels. : de en fr
  • ES164776A1 - A NEW SYSTEM OF ACTIVATION AND ASSEMBLY OF BICYCLES FOR TWO PEOPLE : en es
  • DK62035C - Apparatus for distributing piece-, grain- and powder-shaped Material over Surfaces. : da en
  • FR891684A - Running water engine : en fr
  • USD137434S - Angell folding dental chair : en
  • FR891685A - Device for temporary coupling of a starting or cranking motor with an internal combustion engine : en fr
  • NL55885C - : en
  • US2344179A - Ethyl ether of dextran : en
  • ES164051A1 - A PROCEDURE ED MANUFACTURE OF AN INDUSTRIAL AND AGRICULTURAL HORCA : en es
  • GB559948A - Improvements in the manufacture of intaglio printing plates and cylinders : en
  • CH231336A - Fixing device for cable lines. : de en
  • GB559954A - Airplane structures : en
  • US2344031A - Safety belt : en
  • FR891727A - Method of manufacturing a combustible briquette and briquette obtained by this method : en fr
  • GB559956A - Improvements in attemperating apparatus for controlling the temperature of steam or other vapour : en
  • FR891747A - System for the ventilation of dryers and apparatus for the realization of this system : en fr
  • ES164354A1 - A PROCEDURE FOR DECORATING MEDALS AND SIMILAR METALLIC OBJECTS IN GENERAL : en es
  • ES164270A1 - IMPROVEMENTS INTRODUCED IN RIBBONS OR RUBBER BELTS, IN PARTICULAR TAPES FOR TRANSFORMERS : en es
  • ES164447A1 - IMPROVEMENTS INTRODUCED IN THE PROJECTORS : en es
  • ES164276A1 - PROCEDURE FOR THE OBTAINING OF A PREPARED TO COMBAT THE INSECTS AND HARMFUL ORGANISMS OF SWEET WATER AND SEAWATER : en es
  • FR891610A - Mounting device for alternating current telegraphy with phase reversal : en fr
  • FR891624A - Groove tile : en fr
  • ES164484A1 - IMPROVEMENTS IN THE MOLINETES OF THE AIR ENGINES INTENDED TO ACTION ELECTRICAL GENERATORS : en es
  • US2344070A - Radio system for landing aircraft : en
  • US2344303A - Container side seam sealing compound applying apparatus : en
  • GB559982A - Improved rail clip for light railway lines : en
  • US2344216A - Roadway recording apparatus : en
  • ES164747A3 - IMPROVEMENTS INTRODUCED IN THE DEVICES FOR THE RECORDING OF SOUNDS AND THE REPRODUCTION OF THE RECORDING MEDIA : en es
  • ES164530A1 - A PERFECTED AUTOMOBILE ELECTRIC CRANE : en es
  • ES164560A3 - A PROCEDURE FOR OBTAINING RUBBER : en es
  • ES164676A1 - A MACHINE THAT LAMINATES AND CONNECTIVELY BECOMES IN SCALES THE SYNTHETIC RUBBER, OWN FOR PULIMENTS AND VARNISHES : en es
  • ES164295A1 - PROCEDURE FOR THE TERMINATION OF A TRANSMITTER : en es
  • GB560025A - Mechanism for transmitting linear movement : en
  • DE745587C - Circuit arrangement for reproducing magnetic sound recordings : de en
  • US2344176A - Method of and machine for molding plastics : en
  • US2344079A - Mechanism for waxing thread : en
  • FR891713A - Method and device for weaving on claw looms : en fr
  • FR891724A - Reversible bevel gear pump for liquids, gases and vapors : en fr
  • FR891655A - Bearing for variable pitch propellers : en fr
  • US2343884A - Universal free tape hoist : en
  • ES164373A1 - A HOSE APPLIANCE FOR WATER IRRIGATION : en es
  • ES164919A2 - A procedure to obtain grass root flour and its plant : en es
  • US2343917A - Electric circuit breaker with compressed fluid blowout : en
  • US2344445A - Material for charging furnaces : en
  • US2344480A - Process for obtaining soluble beryllium compounds starting from ores containing beryllium : en
  • DE745568C - Manufacture of zinc cups, especially for galvanic elements, by pressing round blanks : de en
  • ES164668A1 - IMPROVEMENTS IN METAL SEPARATING MACHINES : en es
  • ES4057Y - Plate with skylight for cement and asbestos roofs. : en es
  • US2344126A - Horizon gyro : en
  • US2343906A - Coating machine : en
  • US2344417A - Fair-lead device for winding drums : en
  • USD137470S - Combined wallet and case for keys and similar items : en
  • DE745367C - Sheep plate moved by a vertically movable oven door : de en
  • FR891742A - Foundry mold : en fr
  • US2344446A - Apparatus for depositing material under water : en
  • US2344455A - Chain : en
  • GB560057A - Improvements in and relating to electric discharge devices and electrodes therefor : en
  • US2344022A - Folding and interleaving machine : en
  • US2344158A - Tire vulcanizer : en
  • US2344166A - Rolling mill : en
  • US2344470A - Paper treatment : en
  • CH231253A - Process for the preparation of tributenylamine. : de en
  • US2344290A - Hydrocarbon conversion : en
  • CH231238A - Device for lubricating the running track of rotating grippers of sewing machines, especially high-speed sewing machines. : de en
  • CH231261A - Procédé de traitement de déchets de cuir tanné, en vue de l'obtention de matières protéiques. : de en fr
  • ES164663A1 - PROVISION FOR ALTERNATE CURRENT TELEGRAPH DEVICES : en es
  • ES164745A3 - IMPROVEMENTS INTRODUCED IN THE DEVICES FOR THE ELIMINATION OF CHIPS FROM SOUND RECORDING DEVICES : en es
  • FR891698A - Silent motion transmission chain : en fr
  • DE745657C - Procedure for preparing minerals before storing them in the ground state for swimming pool processing : de en
  • US2343933A - Method of making connectors : en
  • US2344333A - Railway traffic controlling apparatus : en
  • CH231360A - Electric incandescent lamp with two filaments, especially for low-voltage lighting systems. : de en
  • US2344376A - Doorknob : en
  • ES164418A2 - MODIFICATIONS INTRODUCED TO THE MAIN PATENT : en es
  • US2344138A - Coating method : en
  • US2344288A - Method for solubilizing titaniferous ores : en
  • US2344060A - Cosmetic holder : en
  • US2343898A - Film forming composition, method, and article : en
  • FR891669A - Electrical switching system : en fr
  • DE745583C - Injection molding machine with piston pressure : de en
  • ES164258A3 - PROCEDURE FOR HOT GLUING : en es
  • ES164552A1 - A PROCEDURE TO PREPARE A PROTECTION MEANS FOR PLANTS : en es
  • ES164750A1 - A KAPLAN TURBINE WITH MOVABLE WHEEL PALETTE DISPLACABLE BY A REGULATOR : en es
  • US2343935A - Winding machine : en
  • CH231398A - Propeller with self-adjusting blades. : de en
  • DE745245C - Die casting machine working with piston pressure : de en
  • CA419007A - Transformer mechanism : en fr
  • CH231343A - Electrical resistance device with variable resistance. : de en
  • GB560001A - Pilot light circuit for radio receivers and the like : en
  • US2343994A - Core covering apparatus : en
  • US2344265A - Method of hydrolysis : en
  • ES164689A1 - A CONTROL DEVICE FOR ADJUSTABLE TILT HEELS : en es
  • US2344209A - Fishing reel : en
  • USD137456S - Design for a dress : en
  • CH231411A - Process for the production of a new azo dye. : de en
  • ES164575A1 - PROCEDURE FOR THE OBTAINING OF A PROTECTIVE LACQUER AGAINST CORROSION FOR THE SEWINGS OF PLATE CONTAINERS, ESPECIALLY OF THE BODIES OF THE CANNED BOTTLES : en es
  • GB560016A - Improvements in or relating to life-boats : en
  • US2343911A - Truss : en
  • US2344271A - Power hoisting device fob : en
  • US2344397A - Power and control for articulated beds : en
  • US2344451A - Door latch : en
  • ES164275A1 - PROCEDURE TO VULCANIZE HOBBOOK AND SOLEL JOINTLY AND TO REINFORCE WITH DIFFERENT CLASES OF SHOES : en es
  • ES163997A1 - IMPROVEMENTS IN THE MANUFACTURE OF TRANSPORTATION AND SIMILAR BOXES : en es
  • ES164719A1 - IMPROVEMENTS IN THE MECHANISMS OF AUTOMATIC SHUTTLE CHANGE OF THE TELARES : en es
  • ES164424A1 - IMPROVEMENTS IN THE MANUFACTURE OF THERMAL ECONOMIZING CONTAINERS : en es
  • US2344065A - Cutting or drilling device : en
  • USD137447S - Embroidered trimming or similar article : en
  • US2344015A - Alkylation : en
  • US2344452A - Switch : en
  • CA419036A - Vapour generator : en fr
  • DE745494C - Process for the production of substances or spaces that protect against poisonous gas : de en
  • US2344335A - Hydraulic transmission : en
  • DE745701C - Valve lifters, especially for internal combustion engines : de en
  • ES164788A1 - A DEVICE FOR THE BRAKING OF COMBUSTION ENGINES, ESPECIALLY OF SEAMEN : en es
  • CA419046A - Boot or shoe : en fr
  • DE745520C - Reliable hardening baths : de en
  • FR52400E - Improvements in agglomeration and the use of non-liquid fuels : en fr
  • FR891736A - Installation of gas turbines : en fr
  • US2344275A - Bearing : en
  • US2344116A - Measuring instrument : en
  • CA418971A - Wringer mechanism : en fr
  • US2344170A - Lather mixing machine : en
  • US2344415A - Stocking protector : en
  • CA418962A - Spoked wheel : en fr
  • US2344352A - Reversible power drive : en
  • CA419030A - Storage battery plate : en fr
  • CA418959A - Conveying apparatus : en fr
  • CH231377A - Box for ampoules. : de en
  • US2343930A - Resin molding : en
  • US2344033A - Railway car truck : en
  • US2344193A - Game apparatus : en
  • CA419047A - Vehicle wheel : en fr
  • US2343863A - Gun sight mounting : en
  • US2344087A - Apparatus for feeding rod-shaped articles onto dipping plates : en
  • CA418963A - Road material spreader : en fr
  • CH231249A - Electrolytic cell with a mercury cathode. : de en
  • CH231281A - Piezoelectric based measuring or display device. : de en
  • CH231370A - Decoupling arrangement in a multi-carrier communication system. : de en
  • ES164419A2 - A PROCEDURE FOR DEPARAGING MINERAL OILS : en es
  • US2343918A - Means for deicing propeller spinners : en
  • US2344269A - Expansion joint : en
  • CH231237A - Thread tensioning device on sewing machines. : de en
  • GB559986A - Improvements in or relating to the bonding of rubber to fabric and the products obtained thereby : en
  • AU1349044A - Improvement in electrical distributors and compositions thereof : en
  • ES164325A2 - A MACHINE TO BUILD RODS WITH WIRE-BASED RINGS : en es
  • ES164675A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NO. 161187 : en es
  • ES164721A3 - A PRESSURE APPARATUS FOR THE PREPARATION OF COFFEE : en es
  • CH231255A - Process for the preparation of a dye intermediate. : de en
  • US2343928A - Production of colored film-forming materials : en
  • US2344019A - Composition and method for preserving wood : en
  • US2344465A - Flow equalizer : en
  • DE745375C - Process for the preparation of a monoazo dye : de en
  • CA419008A - Multiple cable connector : en fr
  • US2343979A - Four-in-hand necktie : en
  • CH231290A - Electromagnetic winding timepiece. : en fr
  • FR891693A - Device for the protection of removable high vacuum lamp electrodes : en fr
  • ES164232A1 - A PUMP FOR IRRIGATION, OF PISTON, SUBMERGED, OF TWO PARALLEL BODIES TO A SIMPLE EFFECT : en es
  • ES164755A1 - A RECEIVING PROVISION FOR ALTERNATE CURRENT TELEGRAPH INSTALLATIONS : en es
  • CA419074A - Pre-gelatinized starch : en fr
  • US2344447A - Multiple mechanical pencil : en
  • US2344137A - Pigmented resin and method of making : en
  • GB560011A - Improvements in or relating to fire alarm apparatus : en
  • US2344198A - Indicating device : en
  • US2344326A - Tractor-mounted implement : en
  • FR891648A - Self-destructing rocket : en fr
  • DK62018C - Apparatus for hardening sheets of glass or similar material. : da en
  • GB560020A - Manufacture of new ether derivatives of aromatic hydroxy-compounds : en
  • US2344141A - Battery carrier : en
  • CA419086A - Shoe manufacturing machine : en fr
  • ES164312A1 - NEW SOCIOGRAPHIC INSTRUMENT SOURCE : en es
  • GB560048A - Improvements relating to shock absorbers : en
  • US2344163A - Service connector : en
  • US2344353A - Control system for resistance welding : en
  • CA419042A - Welded end plug for piping : en fr
  • DE744666C - Vibration endangered rod-shaped aircraft component : de en
  • US2344247A - Pile fabric cleaning method and material : en
  • US2344413A - Drive fastener : en
  • US2344381A - Nut : en
  • US2344434A - Variable speed mechanism for machine tools : en
  • CA419058A - Freight handling mechanism : en fr
  • US2344036A - Sizing tool : en
  • US2344227A - Juicer support : en
  • USD137437S - Design tor an infant s chair : en
  • USD137448S - Design for a refuse receptacle : en
  • CA419054A - Cement composition : en fr
  • CA419072A - Baked goods manufacture : en fr
  • DE745417C - Process for the preparation of asymmetrical thioindigo dyes : de en
  • ES163359A1 - IMPROVEMENTS INTRODUCED IN THE ASSEMBLY SYSTEM OF THE SECONDARY SHAFTS OF HELICAL PUMPS : en es
  • US2344475A - Abrading apparatus : en
  • AU656542A - lmpirove&~ diirectional flighft Rievel indlicator : en
  • US2343971A - Television studio lighting : en
  • US2344059A - Match packet and method of making it : en
  • US2344346A - Preparation of chlorine dioxide : en
  • CH231205A - Method and device for cleaning and conditioning the air in closed spaces. : de en
  • CA418965A - Packing box and lining : en fr
  • US2344040A - Hopper gate adjusting means : en
  • FR891689A - System for changing the direction of movement of swap bodies during travel : en fr
  • US2344200A - Recording machine : en
  • CA418964A - Road paving machine : en fr
  • CA419039A - Merchandizing rack : en fr
  • GB560041A - A method of and means for attaining constant yield point in the strain hardening of steel by twisting : en
  • DE745380C - Process for the automatic closing of the double edge of goods on the flat weft knitting machine : de en
  • GB560029A - Improvements in or relating to light beacons : en
  • FR891637A - Process for the preparation of sulfonamide derivatives : en fr
  • GB559992A - Improvements in or relating to the production of naphthalene : en
  • DK62029C - Anti-slip coating, in particular for Sporkædeautomobilers Sporkæder. : da en
  • US2344047A - Pulp machine : en
  • US2344078A - Transmission : en
  • ES164491A1 - A MACHINE TO UNDERSTAND ALL KINDS OF FRUIT : en es
  • ES164369A1 - A MULTIPLE PROJECTION PROCEDURE : en es
  • FR891609A - Cinematographic device with removable presser : en fr
  • FR891686A - Quick, outboard control providing optional ejector spring over-compression in underwater guns : en fr
  • GB559972A - Improvements in or relating to permutation or combination locks : en
  • DE745475C - Use of nickel alloys for items that must have high fatigue strength : de en
  • GB560061A - Improvements in and relating to methods of welding : en
  • ES164559A1 - A GASOGEN WITH COMBUSTION DIRECTED DOWN, ESPECIALLY FOR POOR SOLID FUELS IN TAR, LIKE LIGNITE AND SIMILAR : en es
  • DE745564C - Determination of the setting tab : de en
  • ES163955A1 - AN AUTOMATIC MACHINE FOR THE MANUFACTURE OF TURNED PIECES OF VARIOUS PLASTIC MATERIALS, AND ESPECIALLY, MUD, EARTH AND PORCELAIN : en es
  • ES164401A1 - AN APPARATUS TO PULLOVER THE FRUITS OF THE CAFETO : en es
  • US2343988A - Cathode ray intensity control circuit : en
  • FR52393E - heating elements : en fr
  • FR891615A - Lighting equipment for mining in mines : en fr
  • FR891745A - Four-stroke gas engine : en fr
  • US2343908A - Vitreous enameling : en
  • FR891734A - Air saturator for gasifiers with single automatic adjustment or not on the saturation and reheating water : en fr
  • GB559989A - Process for the conversion of hydrocarbons : en
  • ES164398A1 - A CINEMATOGRAPHIC PROJECTION DEVICE OF SEVERAL CELOFAN AND SIMILAR PAPER CUTTING TAPES : en es
  • ES164728A1 - IMPROVEMENTS INTRODUCED IN THE OBTAINING OF SELECTIVE SORTERS THAT AT THE SAME TIME CONSTITUTE ANTICRIPTOGAMIC PRODUCTS : en es
  • ES164794A1 - A PROCEDIMEIN TO OBTAIN BILHILIOANHYDRO CHLORIDE : en es
  • GB560034A - Improvements in short-circuited windings for dynamo electric machines : en
  • US2344084A - Light-sensitive material for color photographic purposes and method of using the same : en
  • US2344100A - Radial flow turbine : en
  • GB560071A - Improvements in hydraulic engines : en
  • ES164546A1 - IMPROVEMENTS IN THE CONSTRUCTION OF CARTRIDGE COVERS : en es
  • GB559961A - Improvements in or relating to the manufacture of articles made from aluminium or aluminium alloys : en
  • ES164544A3 - AUTOMATIC FEEDING MACHINE FOR SHEETS OF PAPER FOR PRINTING MACHINES IN GRAPHIC ARTS : en es
  • GB560024A - Improvements in and relating to well drilling apparatus : en
  • FR891716A - Elastic tire for wheels of all vehicles : en fr
  • ES164781A3 - IMPROVEMENTS IN THE CONSTRUCTION OF SWIVEL POINTS FOR LATHES AND SIMILAR : en es
  • GB559979A - Improvements in or relating to erection devices for gyroscopic instruments : en
  • ES164593A1 - ASSEMBLY OF RECTIFIERS WITH SLOTS : en es
  • ES164718A3 - A CORDINATED ACTUATION MECHANISM OF THE WARP FOLDING CYLINDER AND THE FABRIC ROLLING CYLINDER IN LOOMS FOR THE MANUFACTURE OF METALLIC FABRICS : en es
  • GB560054A - A device for insertion into keyholes for obstructing same to prevent unauthorised entry : en
  • AU118202B2 - lmpirove&~ diirectional flighft Rievel indlicator : en
  • GB559963A - Improvements in and relating to bessemer converters : en
  • ES164590A1 - A DEVICE CONTAINING AN ALTERNATIVE MOTION BODY AND A TRAILER DEVICE LINKED BY A ROD : en es
  • ES163954A2 - IMPROVEMENTS MADE IN : en es
  • ES164377A3 - A PROCEDURE FOR THE CONTINUOUS PRODUCTION OF ACETYLENE : en es
  • GB559966A - Improvements in or relating to wearing apparel for resisting toxic liquids : en
  • USD137439S - Design fob a shoe sole : en
  • ES163785A1 - IMPROVEMENTS INTRODUCED IN THE STOVES : en es
  • ES164711A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • FR891739A - Single-wheel car plowman : en fr
  • US2343867A - Congealable liquid conditioning device : en
  • US2343946A - Leaf cutting mechanism : en
  • CA418967A - Confection handle : en fr
  • CH231384A - Control device, in particular for switching change gears in motor vehicles. : de en
  • US2343870A - Manufacture of alkylated benzene hydrocarbons : en
  • USD137445S - Design for a two-faced doll : en
  • US2344169A - Bib positioning means : en
  • CH231349A - Process for the production of selenium dry rectifier disks. : de en
  • US2343943A - Cake flexing machine : en
  • NL56824C - : nl
  • US2343897A - Apparatus for purifying steam : en
  • CA418961A - Automatic phonograph : en fr
  • CH231201A - Oriental curtain. : en it
  • US2344469A - Alkylation process : en
  • DK62015C - Electrical Switch for AC power and with Arc switch off at Air current. : da en
  • FR891630A - Method for direct determination of the position in space of objects forming part of stereoscopic views : en fr
  • FR891705A - Tooling for the rapid production of wooden or thin metal hollow bodies : en fr
  • FR891729A - Device for control by network characteristics in power plants : en fr
  • US2343938A - Mold filling apparatus : en
  • US2343919A - Piston ring structure : en
  • US2344099A - Bladed disk for radial flow rotary machines : en
  • CH231228A - Clothes hanger. : de en
  • ES164511A1 - A NEW CLOSED SEALING SYSTEM FOR REMOVABLE PACKING BOXES : en es
  • US2344095A - Therapeutically active tetrahydro : en
  • FR891654A - Projection box device : en fr
  • ES7019Y - Metal body plug for power looms. : en es
  • FR891744A - Assembly and presentation process for construction toy : en fr
  • FR891629A - Compensating device for gas flow regulators used to supply motors : en fr
  • DE745404C - Sugar looser for the production of syrup by cold means : de en
  • ES164271A1 - IMPROVEMENTS IN LIMNIAGRAPHIC APPLIANCES : en es
  • ES164366A1 - A NEW PROCEDURE TO DECORATE OR DECORATE NAILS : en es
  • CA419077A - Pump : en fr
  • CH231247A - Manual device for rolling cigarettes. : en fr
  • ES164742A3 - IMPROVEMENTS INTRODUCED IN THE DEVICES APPLICABLE TO SOUND DEVICES TO ADJUST THE DEPTH OF TRACING OF THE REGISTER NEEDLE : en es
  • US2343984A - Brake control system : en
  • US2344323A - Tooth relieving machine : en
  • DE745213C - Spinning device : de en
  • FR891709A - Process for the production of an excipient for ointments not containing fat, and product obtained : en fr
  • GB559951A - Improvements in or relating to flexible liquid containers : en
  • US2344276A - Fluid pressure actuated mechanism and control for the same : en
  • ES164385A1 - A PROCEDURE FOR THE OBTAINING OF EXTRACTS FROM YEARS FROM PRESSED YEAST : en es
  • ES164513A1 - A DEVELOPMENT IN DEVICES FOR THE ENGAGEMENT AND UNION OF ELEMENTS OR PARTS OF OTHER REMOVABLE OBJECTS : en es
  • ES164701A1 - A BLOOD TRANSFUSION APPARATUS : en es
  • US2344111A - Electromagnetic multiple-disk clutch : en
  • US2344190A - Preparation of dextran acetate : en
  • US2344339A - Automobile window supported hatrack and coat hanger device : en
  • US2344244A - Catalytic hydrogenation of nitro compounds : en
  • ES164448A1 - A MOUNTING INTENDED TO TRANSMIT ELECTRICAL OSCILLATIONS OF VERY HIGH FREQUENCIES : en es
  • US2344249A - Electric switch : en
  • GB560018A - Improvements in apparatus for cutting continuous filaments into staple fibre : en
  • US2344098A - Combination pressing and steaming iron : en
  • US2344342A - Filter for cigar-and cigaretteholders : en
  • US2344458A - Manufacture of footwear : en
  • CH231380A - Two-wheeled vehicle convertible into a single-wheeled vehicle. : en fr
  • US2344145A - Refrigerating apparatus : en
  • ES164522A1 - A LAMINATING, CALIBRATING AND HENDIDORA STRING MACHINE : en es
  • FR891631A - Method for determining the wear of light metal parts protected by an anodic deposit : en fr
  • FR891707A - Covers and binders for albums, notebooks, registers and the like : en fr
  • FR891674A - Wood dryer : en fr
  • US2344432A - Mechanism for actuating machine tool supports : en
  • ES164282A1 - A PROCEDURE FOR THE MANUFACTURE OF VINYL CHLORIDE : en es
  • US2343992A - Record changer for phonographs : en
  • FR891639A - Device for supplying cooling air to the engine chamber in vehicles with rear engine : en fr
  • US2344115A - Rope drum with regulable hydraulic drive, especially for lifts : en
  • US2344213A - Production of polymerization products from isobutylene : en
  • US2344242A - External-internal cylindrical grinding machine : en
  • US2344369A - Package : en
  • US2344398A - Oil burner : en
  • DE741978C - Injection mold : de en
  • DE745540C - Testing and protection device for monitoring the insulation resistance of electrical machines and apparatus : de en
  • DK62023C - Dust extraction device at threshing mills. : da en
  • US2344439A - Apparatus for burning liquid fuels : en
  • US2344197A - Control panel and the like : en
  • US2344426A - Bevel method sawing : en
  • US2343879A - Bag feeding and packaging machine : en
  • US2343949A - Radius dresser for grinding wheels : en
  • ES164298A1 - DOUBLE-EFFECT VALVE FOR FIRE EXTINGUISHERS AND OTHER CONTAINERS GAS OR PRESSURIZED LIQUIDS, LIKE METHYL BROMIDE OR ANY SIMILAR PRODUCT : en es
  • CA419043A - Classifying system for pulverized materials : en fr
  • CA419099A - Battery terminal : en fr
  • AU118201B2 - Improvements relating to railway traffic controlling apparatus : en
  • CA419068A - Sealed container : en fr
  • CA419095A - Dye manufacture : en fr
  • ES164812A1 - A PROCEDIMEITO FOR THE MANUFACTURE OF DORSOS FOR METALLIC BUTTONS, LINED OR NOT : en es
  • CA418983A - Partition structure : en fr
  • CH231345A - Electric discharge tube for amplifying or generating electrical decimeter and centimeter waves. : de en
  • US2344219A - Cutting torch : en
  • US2343881A - Press : en
  • CH231379A - Lock for bulk goods. : de en
  • US2344127A - Riveting apparatus : en
  • US2344317A - Control means for manure spreaders : en
  • ES164589A1 - A DEVICE INTENDED TO REGISTER BY MECHANICAL WAY ELECTRICAL OSCILLATIONS OF ACOUSTIC FREQUENCY : en es
  • GB559950A - Improvements in or relating to optical objectives : en
  • US2344014A - Warning signal : en
  • US2344112A - Gyroscopic device : en
  • ES162237A3 - IMPROVEMENTS IN THE PROCEDURES OF THE ELECTROLYTIC DECORATION OF STEEL SHEETS, AND PARTICULARLY IN THAT OF THE BLADES OF KNIVES AND KNIVES : en es
  • ES164485A2 - IMPROVEMENTS IN THE DEVICES FOR WINDING WOODS, CROWNS AND REELS, OBJECT OF THE MAIN PATENT : en es
  • ES164516A1 - A PROCEDURE TO ADD WINES FOR THE ACTION OF ADEQUATE ELECTRICAL CURRENTS : en es
  • ES164562A1 - IMPROVEMENTS IN THE MANUFACTURE OF TRANSMISSION BELTS : en es
  • ES164705A1 - A PROCEDURE FOR THE OBTAINING OF ACID SULPHATES OF HYDROCARBONS OF HIGH MOLECULAR WEIGHT : en es
  • ES164771A1 - A DISCHARGE PIPE : en es
  • FR891688A - Articulated trident holder with protective guard for underwater rifles : en fr
  • CA419011A - Television synchronizing system : en fr
  • ES164321A1 - ELECTRIC WELDING PROCEDURE FOR SHEETS LOCATED PERPENDICULAR BETWEEN Si : en es
  • GB560070A - Improvements in concrete gate posts : en
  • US2344064A - Bench clamp : en
  • US2344260A - Alkali salts of fatty amino compounds : en
  • FR891732A - Barge fitted out as a hydraulic power plant : en fr
  • US2344255A - Bottle holder : en
  • ES164649A1 - DEVICE FOR THE MANUFACTURE OF FLOATING SOAP : en es
  • ES164405A1 - IMPROVEMENTS INTRODUCED IN THE PUMPS INTENDED TO FEED THE EXPLOSION ENGINES OF HYDROCARBONS : en es
  • ES164583A1 - PROCEDURE FOR THE MANUFACTURE OF SUSTAINTS INTENDED FOR SYSTEMS OF ELECTRODES OF DISCHARGE CONTAINERS : en es
  • US2344270A - Portable crib : en
  • USD137476S - Combined tax return filing portfolio and record book : en
  • US2344408A - Concentration of sulphuric acid : en
  • US2344443A - Cartridge clip loading machine : en
  • US2343875A - Machine tool : en
  • US2344396A - Compression or depression pump of the liquid ring type : en
  • US2344182A - Display device for suction cleaning apparatus : en
  • CH231402A - Process for the preparation of a polyazo dye. : de en
  • CH231220A - Equipment on wood and charcoal gas generation plants to keep the gas temperature at the entry into the filter constant for the purpose of adapting to the outside air temperature. : de en
  • ES164300A1 - IMPROVEMENTS INTRODUCED IN THE OVEN BOXES : en es
  • US2343902A - Method of making cigars : en
  • DE745287C - Rubber-to-metal spring body : de en
  • US2343976A - Combined steering post and ignition lock : en
  • US2344012A - Amplitude range control in signal transmission systems : en
  • US2344232A - Apparatus for coating : en
  • CH231214A - Process for the manufacture of agglomerates of small dimensions and press for the implementation of this process. : en fr
  • US2344121A - Releasable setting tool and by-pass : en
  • US2344199A - Mounting and adjusting device for recording instruments : en
  • DE742450C - Process for the production of wool-like acetate threads : de en
  • US2344285A - Upsetting of metal tubes, rods, or the like : en
  • ES164796A1 - A STEAM MOTOR OF CONTINUOUS CIRCULAR MOVEMENT WITH EXPLOITATION OF STEAM EXPANSION : en es
  • CA419078A - Building wall : en fr
  • CA419088A - Timing method and apparatus : en fr
  • US2344129A - Automatic switch for compartment lights : en
  • CH231219A - Method and device for cooling generator gas in cleaning and cooling systems which are set up for air cooling and which have no or insufficient cooling wind. : de en
  • US2344156A - Hydraulic power lift : en
  • CA418966A - Fishing tackle box : en fr
  • US2344267A - Proteinous compositions and their process of production : en
  • NL55979C - : en
  • US2344235A - Corn sheller : en
  • CH231232A - Process for the production of easily filterable viscose solutions. : de en
  • US2344431A - Microphone phase compensator : en
  • CH231284A - Lighting device with Fresnel lens. : de en
  • US2344004A - Process for the preparation of ferric oxide : en
  • US2344356A - Chemical compounds beta-(meta-hydroxyphenol)-isopropylamines : en
  • CA419038A - Railway car truck : en fr
  • ES163950A1 - IMPROVEMENTS INTRODUCED IN THE SHARPENING MACHINES : en es
  • CH231386A - Car body for high-speed motor vehicles. : de en
  • CA419065A - Milling machine device : en fr
  • US2343945A - Follow-up system : en
  • US2343866A - Process for the pyrolysis of hydrocarbons : en
  • US2343882A - Keyboard printing and perforating apparatus : en
  • ES164445A1 - A HYDROPNEUMATIC DEVICE TO ACHIEVE THE INVESTMENT OF THE DIRECTION OF THE PASSAGE OF A LIQUID, IN PRICULAR FOR THE DISCOLLATION OF THE FILTERS DEPURADORES OF OIL : en es
  • US2344430A - Torsional vibration damper : en
  • US2344291A - Liquid fuel stove : en
  • US2344401A - Horseshoe type motor : en
  • CA419005A - Fabric tubing manufacture : en fr
  • CH231434A - Arrangement for the operation of converters in which a circuit break occurs mechanically. : de en
  • ES164806A1 - A PLATE PRESSING MACHINE FOR PRINTING ADDRESSES : en es
  • ES4220Y - Bag with special closure and handle to contain and transport garments. : en es
  • CH231267A - Flip calendar. : de en
  • CH231400A - Adjustment screw. : de en
  • CA419009A - Jack knife electric switch : en fr
  • CH231392A - Drum brakes, in particular for bicycles. : de en
  • CH231311A - Sealing for rolling bearings against leakage of lubricant and against entry of dust, water and the like. : de en
  • CH231419A - Process for the preparation of a monoazo dye. : de en
  • US2344450A - Vibratory feed control mechanism : en
  • CH231256A - Process for the preparation of a copper-containing disazo dye. : de en
  • ES164477A1 - IMPROVEMENTS IN THE SYNTHETIC CONTROL SYSTEM IN RADIO-RECEPTORS APPARATUS : en es
  • ES164565A1 - A PROCEDURE FOR THE MANUFACTURE OF CASCABELES : en es
  • ES164662A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF ACCUMULATORS WITH THIN PLATES : en es
  • FR891653A - Projector : en fr
  • US2343865A - Garment hanger : en
  • US2343926A - Typewriting machine : en
  • US2344110A - Rotary hook for lock-stitch sewing machines : en
  • US2343893A - Vulcanizer : en
  • USD137462S - Emblemmatic badge or similar article : en
  • USD137472S - Design for a single-blade propeller : en
  • US2344273A - Display stand : en
  • US2344205A - Push-button tuning mechanism : en
  • US2343966A - Engine starter : en
  • US2344043A - Method and device for depicting objects by means of neutrons or x-rays : en
  • US2343950A - Stabilization of vinyl esters : en
  • US2344041A - Valve : en
  • FR891733A - All-wood revolving armchair : en fr
  • US2343964A - Winding mechanism : en
  • GB560033A - Improvements in or relating to lifting appliances : en
  • DK62026C - Device for suitcase-like, folded cover boxes. : da en
  • ES164293A1 - A PROCEDURE FOR THE OBTAINING OF SULFONYLURETHANES : en es
  • FR891667A - Hydraulic oscillation damper : en fr
  • US2344090A - Milk-protein gel dessert and method of producing the same : en
  • CA419073A - Refrigerator car : en fr
  • CH231374A - Device for the simultaneous tuning of at least two oscillation circuits. : de en
  • US2344472A - Photographic flash synchronizer equipment : en
  • US2344306A - Hub extension for mounting tractors : en
  • US2344429A - Process of purifying sulphuric acid solutions : en
  • CH231291A - Oil burette for oiling clock stones. : en fr
  • CH231429A - Process for the production of photosensitive systems. : de en
  • CH231285A - Microscope with a fine adjustment device arranged in its lower part. : de en
  • FR891683A - Heat-saving recuperator : en fr
  • DK62012C - Procedure for Separating Yeast from Yeast Suspensions. : da en
  • CA418972A - Wringer mechanism : en fr
  • CH231367A - Carrier wave transmission installation. : en fr
  • CH231282A - Device for removing exposed film from a corpuscular beam apparatus. : de en
  • US2343968A - Pelt or case form : en
  • DE736769C - Process for the production of plastic masses and molded bodies from them : de en
  • ES164543A1 - A LIQUID METER DEVICE : en es
  • US2344286A - Airplane wing construction : en
  • CH231355A - Variometer. : de en
  • CH231359A - Device for screwless fastening of the bearing block for the standpipe and other parts of electrical table lamps on their footplate. : de en
  • FR891731A - Improvements to electric coils, and more particularly to low voltage coils : en fr
  • AU699142A - Apparatus for producing magnesium by thermal reduction : en
  • US2344389A - Process foe the preparation of dye : en
  • US2344424A - Welded pipe installation : en
  • US2344318A - Treatment of hydrocarbons : en
  • CH231259A - Process for the production of stoving enamels. : de en
  • US2344192A - Lead connector : en
  • USD137460S - Die for forming metal sheets : en
  • CH231331A - Heat exchangers and processes for their manufacture. : de en
  • ES164641A1 - AN AEROMOTOR, ESPECIALLY OF GREAT SPEED : en es
  • US2344448A - Fiberboard receptacle : en
  • US2344030A - Stocking : en
  • US2344072A - Vehicle having oscillating half axles : en
  • US2344178A - Electromagnetic device : en
  • US2344220A - Envelope flap folding machine : en
  • CA419049A - Absorption refrigerating apparatus : en fr
  • CH231265A - Process for the production of paper with a content of mineral fibers, in particular slag wool or glass wool. : de en
  • CA418991A - Airplane : en fr
  • ES164390A1 - A PROCEDURE FOR MANUFACTURING METAFOSPHATES POLYMETERS : en es
  • ES164502A1 - A TABLE DEVICE FOR THE GAME OF FOOTBALL, GOLF AND SIMILAR, WITH MOVEMENT BALL OR BALL SLIDING BY MAGNETIC ACTIONS PRODUCED BY ELECTROIMANES : en es
  • ES164688A1 - IMPROVEMENTS IN AUTOCLAVES : en es
  • ES164691A1 - A SQUARING DEVICE FOR CINEMATOGRAPHIC PROJECTORS : en es
  • CH231266A - Process for the manufacture of resin-impregnated paper. : de en
  • US2344001A - Process for the production of alkali metal sulphides : en
  • US2344086A - Welding control system : en
  • US2344418A - Process for the removal of undesirable sulphur compounds from petroleum oil : en
  • NL55897C - : en
  • US2344114A - Pressure regulator for presses and the like : en
  • US2344053A - Automatic drilling machine : en
  • US2344181A - Method of and apparatus for treating cloth : en
  • US2344358A - Method of making forged pistons : en
  • US2344460A - Machine for assembling metal containers : en
  • CA419080A - Electrical rectifier : en fr
  • CH231401A - Process for the preparation of a compound of the tetrahydropyran series. : de en
  • CH231209A - Process and system for the heat treatment of wet processed goods of all kinds, especially pre-dewatered raw sludge. : de en
  • FR891706A - Antagonistic propeller system, in particular for aircraft : en fr
  • CH231341A - Load switching device, in particular for step regimes of AC devices. : de en
  • ES164736A1 - AN APPARATUS FOR MANUFACTURING CANDLES : en es
  • AU357441A - Improvements relating to railway traffic controlling apparatus : en
  • CH231350A - Rotary capacitor with capacitor plates, of which projections are inserted through perforated metal plates and determined by deformation, and method for the production of such a capacitor. : de en
  • CA419006A - Workpiece heat treating apparatus : en fr
  • CA419069A - Vehicle clutch actuating means : en fr
  • US2344379A - Article intended for sport : en
  • CH231387A - Crawler tracks. : de en
  • CH231317A - Device for fixing turbine blades. : en fr
  • US2344206A - Method and apparatus for providing lifting hooks and recesses in concrete blocks : en
  • US2344428A - Burner for fluid fuel : en
  • US2344052A - Slack puller : en
  • US2344311A - Dynamo and regulating means therefor : en
  • US2344253A - Laundry machine : en
  • US2344360A - Shaving apparatus : en
  • US2344307A - Mixing machine : en
  • CH231410A - Process for the production of a new azo dye. : de en
  • CH231288A - Method for manufacturing parts constituting timepieces blanks and blank part manufactured according to this process. : en fr
  • CH231229A - Furnishing with household appliances and drive device. : de en
  • US2344120A - Method and apparatus for cementing wells : en
  • US2343951A - Reversing door control and switch therefor : en
  • US2344308A - Governor : en
  • DE745627C - Steel for objects that are exposed to high gas pressures and require particularly high resistance to the stresses that occur when the pressure changes : de en
  • AU118215B2 - Improvement In machines for making and filling packages : en
  • CA419004A - Optical flat generator : en fr
  • ES164492A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 161112 : en es
  • USD137467S - Design for a dress : en
  • USD137468S - Design for a food dehydrator : en
  • US2344032A - Compression coupling : en
  • AU118207B2 - Apparatus for the recovery of volatilizable metals : en
  • US2344341A - Speed changing device : en
  • ES164409A1 - IMPROVEMENTS INTRODUCED IN THE ANTI-ENERGY MAGNETIC SYSTEMS : en es
  • ES164534A1 - A PROCEDURE TO COMBAT THE PASTES OF THE PLANTS : en es
  • US2344168A - Filing cabinet : en
  • US2344128A - Rivet : en
  • CA419059A - Production of 2-aminopyrimidine : en fr
  • US2344364A - Internal combustion engine with crosshead : en
  • US2344479A - Fire extinguisher : en
  • US2344241A - Illuminated bubble level : en
  • US2343887A - Apparatus for cutting tapered filaments : en
  • US2344279A - Plastering base : en
  • USD137464S - Design for a tape dispenser : en
  • US2343864A - Welder's mask or helmet : en
  • US2344281A - Stock feed for papermaking machines : en
  • USD137471S - Design for a hat : en
  • AU749042A - Improvements in and relating to starting switches : en
  • CH231388A - Device for actuating the brakes of vehicles. : de en
  • US2343955A - Electrically controlled automotive transmission : en
  • US2344028A - Compressor : en
  • US2344251A - Water softening system : en
  • ES163451A1 - IMPROVEMENTS IMPROVED IN THE PROPULSION AND MANEUVER OF BOATS : en es
  • NL55895C - : en
  • US2344466A - Catalytic isomerization : en
  • AU1316144A - Induction coils : en
  • CH231364A - Printing telegraph device. : en fr
  • US2344407A - Selvedge guard for looms : en
  • US2343862A - Thermal relay unit : en
  • US2343925A - Metallic finish enamel : en
  • CH231420A - Process for the preparation of a monoazo dye. : de en
  • US2344268A - Cleaning composition : en
  • US2344386A - Apparatus for the production of decoctions, especially tea or coffee : en
  • CH231316A - Rotary piston machine system. : de en
  • CH231330A - Water level pointer. : de en
  • CH231279A - Procedure for testing materials using an indenter and an apparatus for performing this procedure. : de en
  • DE745659C - Process for the formation of cavities at the bottom of boreholes by blasting : de en
  • ES164654A1 - A GRANULATION PROCEDURE FOR SLAUGHTERS AND SIMILAR PRODUCTS, AND DEVICE FOR THEIR EXECUTION : en es
  • USD137446S - Design for a cultivator ring : en
  • US2343914A - Automatic lathe : en
  • US2344000A - Bottle carrying conveyer flight : en
  • CH231234A - Rapier loom. : de en
  • US2344309A - Air translating apparatus : en
  • ES164765A1 - A DIRECT READING PERIMETER APPARATUS : en es
  • GB559975A - Improved means for securing a liquid-transporting tank on a road-vehicle chassis : en
  • GB560030A - Improvements in vacuum electric tube devices for use in image signal-generating apparatus : en
  • FR891703A - Opposed piston internal combustion engine : en fr
  • ES163210A1 - A SECURITY PROVISION FOR ELECTRICAL NETWORKS : en es
  • CA418979A - Tire chain tool : en fr
  • DE745472C - Process for the production of high polymer, resinous substances from ethyleneimine and isocyanates or isothiocyanates : de en
  • ES164347A1 - A PROCEDURE TO PRINT FABRIC : en es
  • FR891741A - Multistage radial turbo machine : en fr
  • ES164650A1 - A TRANSFORMER OF OSCILLATIONS : en es
  • CH231315A - Regulating valve for central heating radiators. : de en
  • US2343869A - Conditioner for congealable liquids : en
  • ES164657A1 - IMPROVEMENTS INTRODUCED IN VIBRATION SHOCK ABSORBERS : en es
  • FR52397E - Weft braking device in weaving loom shuttles : en fr
  • DE745452C - DC machine for high performance with constant field excitation : de en
  • ES163189A1 - A PROCEDURE FOR THE SELECTIVE PREPARATION OF CUMARONE RESINS : en es
  • GB560014A - Improvements in maximum demand or load indicators for polyphase electrical circuits : en
  • GB559955A - Improvements in or relating to means for controlling end play of bearings : en
  • FR52390E - Further training in shrinking machines : en fr
  • ES164438A1 - A PROCEDURE FOR AGGLOMERATING ALL CLASS OF MINERAL OR VEGETABLE CARBON : en es
  • CH231210A - Device for the electrical heating of iron pipelines. : de en
  • ES164362A1 - DEVICE TO OBTAIN GREATER OPTICAL PERFORMANCE IN REMOVABLE OBJECTIVES OF MODERN CHAMBERS WITHOUT APPROXIMATION LENS AID : en es
  • GB559945A - Improvements in apparatus for use in shaping the operative surface of grinding wheels : en
  • GB560019A - Indicating instruments for aircraft : en
  • GB560050A - Improved pigments : en
  • ES164314A3 - KITCHEN FRAME APPLIANCE : en es
  • ES164289A1 - A PROCEDURE TO DISABLE OR ENABLE, AT WILL, THE FUNCTIONING OF THE ENGINES OF THE MOTORIZED VEHICLES, WITHOUT THE DANGER OF THE DENOMINATED BRIDGES AND PRESCRIBING OF LOCKING ON THE STEERING WHEEL : en es
  • US2343936A - Till drawer construction : en
  • US2344302A - Revetment and block therefor : en
  • CA419060A - Power system : en fr
  • CH231412A - Process for the production of a new azo dye. : de en
  • CH231418A - Process for the preparation of a monoazo dye. : de en
  • US2344283A - Railway signal apparatus : en
  • US2344294A - Electromagnetic induction apparatus : en
  • ES164450A1 - IMPROVED IMPROVEMENTS IN FLUID PURIFICATION PROCEDURES AND SYSTEMS : en es
  • ES164274A1 - A REFRIGERATOR APPARATUS : en es
  • US2344385A - Grinding wheel tool : en
  • USD137466S - Design for a combined sole and heel of a shoe : en
  • US2344266A - Aircraft propeller construction : en
  • US2344330A - Conversion of hydrocarbons : en
  • CH231318A - Eccentric control on piston machines. : de en
  • GB560023A - Improvements in or relating to light beacons : en
  • USD137459S - Combination protractor or similar article : en
  • US2344066A - Method of and apparatus for producing cutting and abrading articles : en
  • CA418970A - Wringer mechanism : en fr
  • US2344091A - Push button operating mechanism for permeability tuning purposes : en
  • ES164267A1 - CONNECTION PROVISION TO CONTROL THE SOUND RING : en es
  • US2343952A - Control unit for compressor systems : en
  • US2344258A - Conversion of hydrocarbons : en
  • DE745454C - Brush holder block for high-speed electrical machines : de en
  • ES164264A1 - IMPROVEMENTS IN THE MANUFACTURE OF RUBBER TACOS FOR TELESCOPES : en es
  • US2344257A - Method and apparatus for stenciling : en
  • ES164470A3 - A NEW FULLY AUTOMATIC OPERATING MACHINE, DESIGNED TO MANUFACTURE OBJECTS WITH THERMOPLASTIC MASSES, WHICH CARRIES OUT INJECTION, MOLDING AND DEMOLDING, BY MEANS OF INDEPENDENT MOTORS LINKED TO EACH OTHER THROUGH ELECTRIC CONCATENATION : en es
  • GB560075A - Improvements in and relating to starting circuit for electric discharge devices : en
  • DK62022C - Turntable for Gramophones. : da en
  • CH231203A - Device with corner strips. : de en
  • CH231206A - Hot water boiler. : de en
  • GB560009A - Improvements relating to machines for effecting straightening or other operations on metal tubes or bars : en
  • DE745499C - Cool box made of two nested containers for blast furnaces : de en
  • GB560062A - Improvements in and relating to the mounting of saddle pillars of motor cycles and like vehicles : en
  • US2344476A - Abrading apparatus : en
  • CA419062A - Magnesia hydroxide production : en fr
  • CH231347A - Variometer with air dielectric. : de en
  • FR891675A - Processes for the preparation of printing blocks : en fr
  • FR891690A - Method and device for tuning electric oscillating circuits as a function of a direct voltage : en fr
  • FR891748A - Nozzle for gasifiers and other generators : en fr
  • CH231394A - Arrangement to achieve smooth running in rail vehicles with bogies. : de en
  • US2343983A - Method of operating on thermoplastic eyelets : en
  • US2344225A - Strip looping device : en
  • GB560056A - Improvements in or relating to the cylinders of engines, pumps and the like : en
  • AU761342A - ]Improvements in waist-fitting garments : en
  • CA419000A - Ophthalmic mounting : en fr
  • US2343931A - Mechanical scanning device for television and remote control : en
  • US2343872A - Logging trailer : en
  • US2344453A - Collating and posting device : en
  • ES164262A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF SOLE FOR ALL KINDS OF FOOTWEAR : en es
  • ES164319A1 - A DIOPETRIC APPARATUS AND ITS CORRESPONDING METHOD FOR THE READING OF PHOTOMICROGRAPHICAL DOCUMENTS : en es
  • ES164423A1 - A MACHINE WITH ALL ITS AUTOMATIC MOVEMENTS, TO VULCANIZE ALL KINDS OF FOOTWEAR, WITH FLOORS OR FLOORS OF RUBBER AND CUTTING OF LEATHER, FIBERS, HEMP, JUICE, FELTS AND ALL KINDS OF FABRICS : en es
  • ES164520A3 - A PROCEDURE TO OBTAIN ALKIL-0 ALKENYLOXY-2, NITRO-5 ANILINES, WHOSE ALKYL OR AKENYLOXYL GROUP CONTAINS MORE THAN TWO CARBON ATOMS AND THEIR SALTS : en es
  • FR891645A - Improvements to dewatted reaction assemblies for very short electric waves : en fr
  • GB560051A - Improvements in and relating to ignition systems particularly for engines attaining high altitudes : en
  • ES164382A1 - IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRIC HEADLIGHTS FOR BICYCLES WITH AN ELECTRIC CHIME ARRANGED IN THE BOX OF THE LIGHTHOUSE : en es
  • FR891603A - New azo dyes : en fr
  • DE745451C - Carbon grinding bodies with molded socket : de en
  • FR52399E - Friction clutch with automatic centrifugal release : en fr
  • FR891650A - Clamping washer : en fr
  • FR891616A - Centering chuck for insertion into the work spindle of a machine tool such as a coordinate drill : en fr
  • ES154121A1 - IMPROVEMENTS IN THE MANUFACTURE OF TOYS : en es
  • ES163316A2 - IMPROVEMENTS INTRODUCED TO THE OBJECT GIVES THE MAIN PATENT NO. 160078 : en es
  • ES164283A1 - MILLING AND DRILLING MILLING MACHINE : en es
  • GB560069A - Improved dust shield for axleboxes of railway vehicles, such as mineral and goods wagons and coaches : en
  • ES164725A1 - IMPROVEMENTS IN THE PROCEDURE FOR CONSTRUCTION OF THE BULBS OF THE EXPLOSION AND COMBUSTION ENGINES : en es
  • GB560068A - Improvements in and relating to the braking of cars and bogies used in conjunction with travelling suspended cars, aircraft or the like : en
  • ES164647A1 - PROCEDURE FOR THE MANUFACTURE OF EXOTHERMAL MATERIAL INTENDED FOR HAIR WAVE : en es
  • ES164339A3 - AN APPARATUS FOR PLACING, FOCUSING, VERIFYING, CHECKING AND CONTROLLING THE POSITION OF THE FILAMENT IN ELECTRIC INCANDESCENCE LAMPS : en es
  • FR891601A - Method and device for the continuous measurement of very long objects : en fr
  • FR891604A - Scraper device for removing sugar and other materials from centrifuges : en fr
  • DE745458C - Process for the preparation of 0-oxyazo dyes : de en
  • ES164512A1 - IMPROVEMENTS IN THE CONSTRUCTION OF BICYCLE SEATS : en es
  • ES164526A1 - A PERFECTION IN THE CLOSURE MECHANISMS OF THE SEWING MACHINES : en es
  • GB559939A - Improvements in or relating to sighting apparatus for use on aircraft and for like purposes : en
  • US2344237A - Foundation garment : en
  • CH231390A - Tire monitor on vehicle wheels with pneumatic tires. : de en
  • ES164257A1 - NEW PROCEDURE FOR PREPARING RUBBER PILLS : en es
  • CH231251A - Process for the production of alumina with simultaneous production of potassium sulphate, sulfur dioxide and sulfur trioxide from potassium-aluminum sulphates. : de en
  • US2344054A - Attachment for ham stuffing presses : en
  • US2344155A - Free trolley system : en
  • US2344481A - Engraving machine : en
  • US2344416A - Piston : en
  • US2344153A - Method and means for illuminating objects : en
  • US2344328A - Coke burning method : en
  • NL56160C - : en
  • CH231382A - Detachable drawbar connection, especially for road vehicle trailers. : de en
  • US2343868A - Congealable liquid conditioning device : en
  • CH231334A - Device for the elastic coupling of electrical generators, power plants, networks and network associations. : de en
  • GB560000A - Improvements in or relating to multiple glass sheet units : en
  • CH231335A - Non-metallic electrical resistance ground. : de en
  • DE739817C - Device for continuous electrical resistance seam welding of butt-butted sheet metal edges : de en
  • US2343874A - Nut-cracking machine : en
  • ES164646A1 - PROCEDURE FOR THE CONSTRUCTION OF TERMINALS IN BARS FOR HEATING : en es
  • US2343970A - Plate for storage batteries and method for producing the same : en
  • US2344222A - Double walled sheet metal structure : en
  • CH231283A - Device for tensioning a coherent, flexible structure with a very small cross-section in relation to its length. : de en
  • DE745467C - Softener for highly acylated celluloses : de en
  • US2344076A - Process of making ornamental figures : en
  • US2344259A - Alkali salts of fatty carbamino compounds : en
  • US2344464A - Revolving pot for glassware manufacture : en
  • CA419085A - Shoe manufacturing machine : en fr
  • US2344035A - Tube nose forging furnace : en
  • CH231270A - Process for the production of color photographic images by color development. : de en
  • CH231241A - Process for the manufacture of footwear and footwear manufactured according to this process. : de en
  • US2344304A - Vent pipe valve for fuel oil tanks : en
  • US2344338A - Substation circuit : en
  • US2344332A - Apparatus for truing grinding wheels : en
  • US2343895A - Vapor generator : en
  • US2344297A - Deep well firing mechanism : en
  • US2344287A - Pumping means : en
  • CH231325A - Piston ring, in particular for internal combustion engines, and method for its production. : de en
  • US2344161A - Exhibition case construction : en
  • US2343888A - Heat treatment of steel : en
  • US2343890A - Tube expander : en
  • AU123877B2 - Improvement in electrical distributors and compositions thereof : en
  • CH231230A - Apparatus with a rotating brush for cleaning teeth. : de en
  • CH231236A - Table sewing machine. : de en
  • US2343977A - Latching mechanism for drawers and the like : en
  • US2344295A - Luminaire : en
  • US2344461A - Orienting mechanism : en
  • US2344477A - Glove : en
  • US2344007A - Apparatus for the production of efficient fuel gases : en
  • CA419020A - Sheet metal container : en fr
  • US2344367A - Bird feeder : en
  • US2344224A - Port-controlled opposed-piston internal combustion engine : en
  • ES164280A1 - A PROCEDURE FOR OBTAINING A PRODUCT OF ECONOMIZING EFFECTS IN GASOLINE AND OTHER FUELS : en es
  • US2343954A - Feeding mechanism for tire building : en
  • US2344108A - Means for moving spray guns or other devices through predetermined paths : en
  • US2344194A - Rosin base resin : en
  • FR891723A - Process for obtaining concentrated solutions of the active ingredients of aromatic plants : en fr
  • FR891662A - Forklift transporter : en fr
  • US2344248A - Fluid drive : en
  • US2344256A - Tire inflater : en
  • DE745369C - Diesel locomotive : de en
  • DE745527C - Steam generator with forced water delivery : de en
  • CH231329A - Cable connector for spark plugs with a shielding cover. : de en
  • US2344143A - Depth gauge, countersink, and drill : en
  • US2344361A - Bit former : en
  • US2343997A - Stabilized vinyl resin coating : en
  • US2344097A - Heater for permanent waving : en
  • US2344482A - Manufacture of flexible sheet material : en
  • ES164254A3 - IMPROVEMENTS MADE IN THE MOLDS TO MANUFACTURE BUTTONS AND RELATED ITEMS OF SYNTHETIC RESINS OR OTHER PLASTIC MATERIALS : en es
  • DK62027C - Advertising signs. : da en
  • CA419052A - X-ray apparatus : en fr
  • US2344223A - Vessel and method of constructing it : en
  • US2344394A - Barium di(dihydro abietyl) dithiophosphate and the method of making the same : en
  • DK62025C - Machine for Making Stuffed Marzipan. : da en
  • ES164370A1 - A PROCEDURE FOR THE MANUFACTURE OF PIMETIC ESTERS : en es
  • GB560052A - Improvements in or relating to coin-freed mechanism for gas or similar meters : en
  • CH231321A - Switching device on internal combustion engines operated with different fuels, in particular for motor vehicles. : de en
  • CH231344A - Overcurrent protection relay. : de en
  • ES164767A1 - A DISCHARGE PIPE WITH SECONDARY EMISSION ELECTRODE : en es
  • GB559994A - Improvements in the manufacture of red lead : en
  • CH231276A - Device for measuring the thickness of an object. : de en
  • FR891743A - Control for cable cars : en fr
  • CH231440A - Adjustment device on counter-rotating propellers. : de en
  • US2344433A - System of control for boats : en
  • FR891614A - Wall construction method : en fr
  • ES164449A1 - A HOT GAS ENGINE OF MORE THAN ONE CYCLE : en es
  • ES164473A1 - A NEW PROCEDURE FOR THE ELABORATION OF SUPPOSITORIES, OVALS AND ANALOGUE BODIES : en es
  • US2343941A - Brake arrangement : en
  • US2344229A - Food product : en
  • US2344245A - Refrigeration : en
  • ES164429A2 - IMPROVEMENTS MADE IN THE OBJECT OF PATENT NUMBER 153515 : en es
  • ES164786A1 - A PROCESS OF MANUFACTURE OF PHENYLACETIC ACID OF SUBSTITUTED NUCLEUS : en es
  • FR52394E - New arrangement of a single or double row rigid ball bearing combined with a thrust ball bearing in freewheels of bicycles or the like : en fr
  • ES164758A1 - A PREDICTION FOR THE OBTAINING OF DISINFECTION AND CONSERVATION AGENTS : en es
  • US2344172A - Garment hanger : en
  • GB559953A - Improved means for softening thermo-plastic toe puffs : en
  • ES164342A1 - AUTOMATIC MACHINE TO MANUFACTURE GLASS AMPOULES FOR INJECTABLE AND SIMILAR : en es
  • GB559997A - An improved lock switch for lift gates and the like : en
  • FR891617A - Guide and safety device for electric welding machine on outer lips : en fr
  • US2343901A - Compound hydraulic compressor : en
  • CH231275A - Automatic firearms shutter blocking device. : en fr
  • CA419076A - Cinematographic masking method : en fr
  • GB560026A - A new or improved device for making headless wire spokes : en
  • US2344195A - Brazing flux : en
  • ES164386A1 - A PROCEDURE FOR THE ELECTRIC WELDING OF PLATES SITUATED PERPENDICULARLY OR APPROXIMATELY PERPENDICULAR BETWEEN : en es
  • FR52358E - Cinematographic printing device : en fr
  • CA419071A - Concrete reinforcing device : en fr
  • US2344272A - Grip or container vehicle : en
  • USRE22455E - Valve : en
  • US2343981A - Safety razor blade sharpener : en
  • US2344362A - Pneumatic tire vehicle wheel : en
  • FR891712A - Device for the progressive adjustment of the number of revolutions of air compressors for internal combustion engines : en fr
  • CA419035A - Steam generating and superheating apparatus : en fr
  • CH231294A - Process for the production of sliding machine parts. : de en
  • DE745501C - Electric motor with automatic mechanical standstill brake : de en
  • GB560027A - An improved cycle lock : en
  • US2344130A - Nonsettling putty : en
  • US2344142A - Answer-back telegraph system : en
  • US2344347A - Material handling apparatus : en
  • CH231287A - Storage in small devices such as clocks. : de en
  • CH231303A - Process for cleaning workpieces by means of a sandblasting machine and a sandblasting machine to carry out this process. : de en
  • CH231376A - Bag woven from cords. : de en
  • DE745428C - Guide device for series image recordings : de en
  • AU123717B2 - Induction coils : en
  • AU824443A - Improvements ina solenoid actuated pump : en
  • CA418981A - Baby carriage top : en fr
  • US2344329A - Fractionating equipment : en
  • USRE22456E - Cabinet : en
  • NL55879C - : en
  • US2344207A - Shutter control with pressure compensation : en
  • DK62013C - Frame for single-axle frames in three-axle, articulated frames for rail vehicles. : da en
  • GB560004A - Improvements in and relating to electric switches : en
  • US2344226A - Production of isophorone : en
  • US2344368A - Rail clamp : en
  • US2343986A - Airfoil control : en
  • AU118210B2 - Apparatus for producing magnesium by thermal reduction : en
  • US2344152A - Starting device for internal combustion engines : en
  • USD137441S - Miles binocular or the like : en
  • ES164414A1 - IMPROVEMENTS IN THE PHOTOGRAPHIC AND CINEMATOGRAPHIC OPTICS : en es
  • CH231257A - Process for the production of a sulfur dye with very fast coloring in gray tones. : de en
  • US2344068A - Purifier and oil separating apparatus : en
  • NL55912C - : en
  • CH231417A - Process for the preparation of a monoazo dye. : de en
  • CH231371A - Device for checking the setting of a selector switch of a group of selector switches of the same type. : de en
  • CH231414A - Process for the preparation of a monoazo dye. : de en
  • US2344027A - Production of carbon black : en
  • US2344409A - Photographic camera : en
  • BE452378A - IMPROVEMENTS IN PLASTIC ZIPPERS : en fr
  • ES164320A1 - PROCEDURE FOR THE MANUFACTURE OF HANGERS FOR CLOTHES BASED ON CURVED RODS OF WOOD, JUNCO, FIBER OR OF METAL TUBES : en es
  • ES164548A1 - IMPROVED IMPROVEMENTS IN THE COUPLINGS CARRIED OUT WITH AUXILIARY TREE HELP : en es
  • US2344039A - Multiversal machine tool and boring head therefor : en
  • CH231437A - High frequency amplifier circuit. : de en
  • US2343873A - Combination gas and liquid fuel burner : en
  • US2344009A - Box handle and latch : en
  • AU118206B2 - Production of magnesium and apparatus therefor : en
  • CH231286A - Waterproof watch box. : en fr
  • DE745625C - Process for the preparation of 5-pyrazolone-4-sulfonic acids : de en
  • CH231431A - Device for fruit juice production. : de en
  • ES164519A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF ELECTRIC OR ARCH CARBON : en es
  • ES164567A1 - A DEVICE OF QUITA AND PON, PROPULSOR BY ELECTRICAL MEDIA OF GRAMOLAS PROVISTAS OF MOTOR TO RESORT : en es
  • ES164684A1 - INSTALLATION TO BOTT A SUSPENDED SERVICE PACK OF SERVIOLAS : en es
  • FR891632A - Process for manufacturing heat exchange walls, in particular radiators and resulting walls : en fr
  • CA418973A - Toilet device : en fr
  • CH231242A - Insole for footwear. : de en
  • CH231378A - Conveyor system, in particular for agricultural purposes. : de en
  • CA418976A - Rod straightener : en fr
  • CH231391A - Handle of a cycle air pump with a hollow piston rod. : en fr
  • USD137451S - Design fob a dagger : en
  • US2344013A - Hardening photographic gelatin : en
  • AU118222B2 - Improved vapouriser and burner unit for oil fuel domestic cookers and the like : en
  • CA418977A - Vegetable dicer : en fr
  • CH231221A - Gas filters for wood gas and charcoal gas generators. : de en
  • ES164707A1 - A HEAT COMPENSATOR FOR INSTALLATIONS INTENDED FOR THE CALCINATION OF MATERIALS LIKE CEMENT AND ALKALINE CARBONATES, AS MAGNESIUM AND DOLOMITE : en es
  • ES164527A1 - A MECHANISM FOR THE GRADIATION OF THE LENGTH OF THE UNION STAPLES, IN THE MACHINES TO MOUNT SANDALS AND SIMILAR : en es
  • ES164579A1 - PROCEDURE FOR DYING, IMPREGNATING AND FIXING STAMPING OF TEXTILE MATERIAL OR TEXTILE MATERIAL OF ALL KINDS AND RELATED MATERIALS : en es
  • FR891670A - Gasifier continuously fed by various pulverized residues, particularly agricultural residues, for actuating motors : en fr
  • FR891619A - Bicycle braking improvements : en fr
  • GB559991A - Improvements in method of dyeing cellulose acetate and in compositions for use therein : en
  • FR891696A - Protective device against accidental fire of any motor vehicle : en fr
  • FR891628A - Automatic telephone installation : en fr
  • ES163706A1 - A PROCEDURE TO RANDALLY DESIRE AND STABILIZE ALL KINDS OF FRUIT AND VEGETABLE VEGETABLES IN GENERAL, CONSERVING THESE INDEFINITELY ALL THEIR NATURAL CHARACTERISTICS : en es
  • ES164389A1 - A PROCEDURE FOR THE MANUFACTURE OF SULFONILUREAS : en es
  • ES164748A3 - IMPROVEMENTS INTRODUCED IN THE SOUND RECORDING AND REPRODUCTION APPARATUS AND A SUPPORT CONSTITUTED BY AN ENDLESS TAPE WRAPPED ON A REEL : en es
  • ES164406A1 - IMPROVEMENTS IN THE MANUFACTURE OF ECONOMIC KITCHENS : en es
  • ES164761A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NO. 149788 : en es
  • GB559957A - Production of acrylic acids, heterocyclic acrylic acids, aryl alkenes and heterocyclic alkenes : en
  • US2344262A - Surgical cast cutter : en
  • CH231396A - Helicopter with device to compensate for the back torque. : de en
  • ES164378A3 - A SANGRÍA FURNACE FOR THE PRODUCTION OF CARBIDES OR CYANIDES FROM TERREOALKALINES, FOR THE OBTAINING OF PHOSPHORUS AND FOR OTHER SIMILAR FUSION PROCESSES : en es
  • US2343987A - Alarm system : en
  • US2344484A - Tubular lock : en
  • ES164549A1 - IMPROVEMENTS INTRODUCED IN THE LUMINOUS SOURCES INTENDED FOR THE OPTICAL EXPLORATION OF A SOUND RECORD : en es
  • DE745430C - Piston pump for fluids : de en
  • FR891725A - Hydraulic seal for rotating body passing through a wall : en fr
  • US2344157A - Tail wheel mounting : en
  • US2344050A - Hydraulic damping and stabilizing device : en
  • US2344321A - Condensation products of sulphonic acid amides and sulphonic acid hydrazides and a process of preparing them : en
  • ES164408A1 - A PROCEDURE TO MANUFACTURE A PLASTIC TISSUE : en es
  • ES164497A1 - A PROCEDURE FOR THE MANUFACTURE OF CLAYS OF SOLE FIBER COVER, BY VULCANIZATION, OF A RUBBER COVER : en es
  • GB560006A - Improvements in and relating to pre-fabricated structural elements and to buildings made therefrom : en
  • GB560017A - Improvements in or relating to cathode ray type tuning indicators : en
  • US2344107A - Apparatus for supplying adhesive : en
  • CH231226A - Device for hanging shoes. : en fr
  • US2344136A - Wrist watch protector : en
  • DE745442C - Process for the production of beverages containing vitamins, especially beers : de en
  • ES164521A1 - AN ELECTRICAL TUBING WELDING PROCEDURE : en es
  • FR891644A - Mechanical razor with adjustable cut : en fr
  • DE745358C - Muzzle brake with recoil amplifier connected behind it : de en
  • US2344185A - Labeling machine : en
  • US2344189A - Wrinkling enamel and method of making : en
  • CH231308A - Pyrophoric stone lighter. : en fr
  • CH231235A - Establishment intended for training on handlooms. : de en
  • CH231348A - Electrolytic capacitor with a metal vessel that is sealed by a disk-shaped body made of insulating material. : de en
  • ES164410A1 - A TELEPHONE AMPLIFIER TRANSMITTER AND RECEIVER SIMULTANEOUSLY AND WITH SWITCHING : en es
  • US2344135A - Laundry drying machine : en
  • GB559984A - A method of and means for producing canned skinless sausages : en
  • DE745680C - Metal heat exchanger operated with gaseous substances : de en
  • FR891678A - Toggle transmission control device : en fr
  • GB560072A - A method of cooling liquid chocolate masses : en
  • CH231254A - Process for the production of sulfochloroacetic acid. : de en
  • CH231339A - Switching device for quick connection of line sections or other system parts in power transmission systems. : de en
  • ES164288A1 - PROCEDURE FOR THE MANUFACTURE OF A RUBBER-FREE ELASTIC MEDIA, FOR VARICES : en es
  • ES164554A1 - SERVE OF GRAVITY FORCE : en es
  • CH231199A - Carrier. : de en
  • US2344456A - Inlet box for centrifugal fans : en
  • US2344468A - Clock : en
  • DE742041C - Fabric for wound dressings, rubber plasters, bandages, etc. like : de en
  • US2343877A - Loop-taker for sewing machines : en
  • US2343974A - Swimming suit : en
  • US2344215A - Refrigeration : en
  • US2343916A - Apparatus for loosening yarn packages : en
  • US2344422A - Watchcase : en
  • GB560028A - Improvements in coin-controlled vending machines : en
  • GB560076A - Improvements in or relating to assembly devices for i.c. engines : en
  • ES164642A1 - A ASSEMBLY INTENDED TO TRANSMIT ELECTRIC OSCILLATIONS OF HIGH FREQUENCY : en es
  • FR891659A - Skin cleansing product : en fr
  • US2343982A - Apparatus for setting plastic eyelets : en
  • US2344239A - Electric condenser : en
  • CA419002A - Telephone call cost calculating machine : en fr
  • DE745652C - Process for the production of clad blocks by pouring the base metal between the cladding sheets : de en
  • FR891635A - Internally cooled turbine blade : en fr
  • US2344391A - Process for preventing the formation of clinker rings : en
  • USD137444S - Design fob a toy top : en
  • ES164571A1 - DEVICE FOR DELETING THE UNBALANCED SPINDLE OF THE SHAFTS, PARTICULARLY IN THE LATHES AND OTHER TOOL MACHINES : en es
  • DE745214C - Electric thread monitor device for slip gate : de en
  • CH231304A - Self-adjusting opening clamp. : en fr
  • DE745525C - Use of fabrics, felts, fleeces or loose layers of synthetic threads for filtering purposes : de en
  • ES164732A1 - IMPROVEMENTS IN THE MANUFACTURE OF DOSERS FOR MILLED MATERIALS : en es
  • GB559970A - Improvements in or relating to optical projection apparatus : en
  • CH231202A - Solid fuel household heating appliance. : en fr
  • US2344440A - Apparatus for directly producing metals from ores : en
  • USD137443S - Scatter rug or similar article op manufacture : en
  • ES164757A1 - A PROCEDURE FOR THE OBTAINING OF QUINOLYLOXALKYL-AMMONIUM COMPOUNDS : en es
  • FR52395E - Combinable tandem bicycles : en fr
  • ES164731A1 - A SUBMARINE POLLING INSTALLATION : en es
  • GB560055A - Improvements in and relating to electric wave communication systems : en
  • ES164383A1 - IMPROVEMENTS IN THE OBTAINING OF STEELS BY THE BESSEMER BASIC PROCEDURE : en es
  • FR891642A - Device for equalizing the frequency characteristic of tuning elements : en fr
  • US2343965A - Lifesaving and sporting float device : en
  • US2344212A - Heddle frame support : en
  • US2344046A - Clutch and power transmission unit : en
  • US2344042A - Neutron image converter : en
  • US2344080A - Wrist sprung glove : en
  • NL74830C - : en
  • US2344092A - Vehicle body : en
  • ES164391A1 - IMPROVEMENTS IN HOUSEHOLD HORSESHOES : en es
  • ES164430A1 - A PROCEDURE TO OBTAIN ARTIFICIAL SUBSTANCES : en es
  • USD137438S - Display device or similar article : en
  • ES164785A1 - A SEPARATION PROCEDURE FOR CENTRIFUGATION OF FINALLY GRANULOSE MATERIALS OF DIFFERENT WEIGHT, CONTAINED IN TURBINE SOLUTIONS AND DEVICE FOR THEIR EXECUTION : en es
  • ES164798A1 - IMPROVEMENTS IN WOOD CARBONIZATION OVENS : en es
  • US2344101A - Elastic support of disks for radial flow rotary machines : en
  • US2344252A - Gun carriage : en
  • US2344371A - Ring grinding machine : en
  • DE745387C - Process for the production of cation-exchanging synthetic resins : de en
  • FR891638A - Hydraulic speed change : en fr
  • FR891711A - Constructive provisions for an electric switch allowing the distribution of the current on different assemblies : en fr
  • DK62016C - Device by Opmaskenaale. : da en
  • GB559949A - Improvements in or relating to light buoys : en
  • CH231314A - Device for the indirect, automatic control of parameters such as temperature, pressure, humidity. : de en
  • FR891673A - Metal fittings : en fr
  • IE16843L - Electrical control system : en
  • US2343995A - Disazo dyes developed on the fiber : en
  • US2343998A - Welding apparatus : en
  • US2344340A - Apparatus for applying tape upon articles : en
  • US2344436A - Floating roof storage apparatus for volatile liquids : en
  • DE745355C - Centrifugal pendulum for indirectly acting regulators : de en
  • ES163925A2 - IMPROVEMENTS MADE IN THE PURPOSE OF THE MAIN PATENT NUMBER 153109 : en es
  • GB560035A - Clinker and ash remover for mobile and stationary producer gas plants : en
  • FR891691A - Device used to influence one electric current in dependence on another : en fr
  • ES164457A1 - A DEVICE FOR CONNECTING AND DISCONNECTING THE ELECTRICAL CURRENT : en es
  • GB559974A - Improvements relating to the production of compressed or moulded products from wood chips, shavings, sawdust or the like : en
  • ES164669A1 - A PROCEDURE FOR THE OPERATION OF CARBON DUST ENGINES : en es
  • US2344218A - Liquid fuel burner : en
  • ES164301A1 - PIPE SPOON FOR IRON AND METAL FOUNDRY : en es
  • ES164464A1 - IMPROVEMENTS IN THE MACHINERY FOR MANUFACTURING PLATES OR PLATES AND OTHER UTENSILS OF FIBROUS MATERIALS : en es
  • ES164658A1 - A DEVICE TO LIMIT UNDERWRITING WRITING IN WRITING MACHINES : en es
  • ES164294A1 - IMPROVEMENTS INTRODUCED IN THE ELECTRODES FOR POINT WELDING : en es
  • ES164795A1 - IMPROVEMENTS IN THE MANUFACTURE OF CANDLES, SPARKS AND SIMILAR : en es
  • ES164578A1 - A SYSTEM FOR ASSEMBLING THE MECHANISM TO THE BODY OF PERA SWITCHES AND SWITCHERS : en es
  • GB559964A - A method of and machines for treating black plate blanks : en
  • GB560002A - Improvements in electric lamp holders : en
  • ES164436A1 - IMPROVEMENTS INTRODUCED IN THE DEVICES FOR THE BRAKING OF EXPLOSION ENGINES AND ESPECIALLY OF MARINE ENGINES OF REVERSIBLE MARKING : en es
  • ES164679A1 - PROCEDIMEINTO FOR THE MANUFACTURE OF HEATING TUBES, FORMING SOLARLY THE RESISTANCE, THE REFRACTORY AND THE METAL PROTECTION : en es
  • IE16588L - Composite plaster boards. : en
  • FR891694A - Plane : en fr
  • FR891746A - Resistance adjustable by degrees : en fr
  • DE731499C - Hollaender drive : de en
  • DE745586C - Electrical release for safety gears : de en
  • GB560007A - Improvements in or relating to electric signalling systems : en
  • ES164518A1 - IMPROVEMENTS INTRODUCED IN THE PHOTOGRAPHIC DEVICES : en es
  • FR891606A - Trunnion bushing for main connecting rod bearing, crank mechanism of star or event motors : en fr
  • ES164348A1 - AN APPARATUS FOR THE COLLECTION OF POTATOES AND OTHER TUBERS : en es
  • FR891682A - Convertible rifle, its mechanism and method of construction : en fr
  • CA418990A - Recording device : en fr
  • CA419051A - Adjustable push grader : en fr
  • DE745461C - Process for the preparation of disazo dyes : de en
  • DE745575C - Pressure contact power supply or power dissipation for a carbon slip ring for electrical machines and apparatus : de en
  • CH231323A - Method of supplying a wood gas engine. : en fr
  • US2344292A - Method of finishing gears : en
  • CH231213A - Installation for carbonization of wood and tar removal of distillation gases. : en fr
  • GB560049A - Improvements in or relating to printing of textile fabrics : en
  • ES164570A1 - HYDRAULIC PROPULSION SYSTEM OF ACTION AND REACTION, APPLICABLE TO RAPID BOATS AND OTHER SHIPS : en es
  • US2343904A - Safety ignition device for gas : en
  • US2344231A - Remote control and supervisory system : en
  • US2344374A - Lady's undergarment : en
  • ES163988A1 - A PROCEDURE FOR PREPARING VITAMINATE AND FITOHORMONIC ALIEMNTS AND FERTILIZERS : en es
  • ES164651A1 - A PROCEDURE FOR THE COLLECTION OF THE DUST PRODUCED IN THE WORK OF THE HAMMERS AND PNEUMATIC TOOLS PERFORATING THE MINES : en es
  • ES164260A3 - PROCEDURE TO HARDEN PLASTICS DERIVED FROM FORMALDEHYDE : en es
  • GB560031A - Improvements in or relating to the production of composite tools by brazing : en
  • FR891627A - Removable, opening or extendable cylinder for making lost wax castings : en fr
  • GB560073A - Improved liquid fuel pump or injector : en
  • ES164715A1 - A DEVICE APPLICABLE TO THE LEVER TEMPERATURE REGULATORS FOR INCUBATORS : en es
  • US2344437A - Combined greeting card and container : en
  • US2344037A - Stroboscopic timing and testing of diesel and similar engines : en
  • US2344211A - Bomb releasing rack : en
  • ES164310A1 - A NEW RECREATION TABLE SYSTEM FOR WHITE SHOT : en es
  • DE745489C - Lifting and swiveling device for low load conveyors on loading bridges : de en
  • ES164411A1 - A PROCEDURE FOR THE MANUFACTURE OF SOLID PERFUME : en es
  • US2343886A - Dairy product deodorizer : en
  • DE745474C - Use of gold alloys for spinnerets : de en
  • ES164690A1 - A CONTROL DEVICE FOR ADJUSTABLE PROPELLERS, ESPECIALLY PALLET WHEEL PROPELLERS : en es
  • ES164422A3 - A PROCEDURE AND CORRESPONDING MACHINES FOR THE MANUFACTURE OF PAPER TUBES FOR CIGARETTES, WITH OR WITHOUT NOZZLE AND FILTERS : en es
  • ES164478A3 - A CIRCUIT BREAKING APPARATUS WITH MERCURY SWITCH : en es
  • ES164569A3 - A PROCEDURE FOR THE FORMATION OF CONTINUOUS PIECES WITH PLASTIC MATTER : en es
  • FR891700A - Gas mixer for supplying the start of combustion engines : en fr
  • FR891605A - Drawing bench for long profiled parts : en fr
  • DE745488C - Clamp to hold together the leadership posts of wooden giants : de en
  • CH231212A - Suspension device, in particular for items of clothing. : de en
  • CH231231A - Device for canning fruit and other mashed food products. : en fr
  • ES164488A1 - AN APPARATUS TO OBTAIN HOMOGENEOUS MIXTURES OF SOLID, LIQUID OR PASTOS FOOD PRODUCTS : en es
  • US2344144A - Cooking top burner for gas ranges : en
  • AU698642A - Production of magnesium and apparatus therefor : en
  • DE745377C - Flat weft knitting machine, especially cotton knitting machine : de en
  • CA419016A - Fluorescent lamp starting circuit : en fr
  • CH231433A - Arrangement for the operation of converters in which a circuit break occurs mechanically. : de en
  • DE745601C - Lane for film recorders : de en
  • ES164468A1 - A PROCEDURE FOR DETERMINATION OF SULFURIC ETHER, ESPECIALLY FOR ITS APPLICATION AS ANESTHETIC : en es
  • CH231385A - Cooling device on vehicles with water-cooled rear engine. : de en
  • US2343947A - Wing nut : en
  • CH231427A - Process for the preparation of a polymerization product. : de en
  • ES163072A1 - A PROCEDURE TO OBTAIN FOODSTUFFS : en es
  • FR891692A - Ultra-short electric oscillation generator : en fr
  • US2344264A - Pipe coating and wrapping : en
  • USD137458S - Design for a nail set : en
  • US2344131A - Airfield : en
  • CH231393A - Rotary body with profiled wear surface. : de en
  • ES164494A2 - IMPROVEMENTS IN THE OBJECT OF MAIN PATENT NUMBER 161652 : en es
  • CH231278A - Tripod for geodetic devices. : de en
  • US2344023A - Earphone : en
  • US2344021A - Surgical bandage : en
  • CH231263A - Electroplating device with rotating electroplating drum. : de en
  • US2344375A - Lady's undergarment : en
  • US2343990A - Slotting apparatus : en
  • US2344282A - Stock inlet for papermaking machines : en
  • ES164255A1 - INSTALLATION OF BURNERS LIQUID FUEL BURNERS FOR HOUSEHOLDS OF STEAM BOILERS AND SIMILAR : en es
  • ES164365A1 - IMPROVEMENTS IN THE CONSTRUCTION OF ZIPPER CLOSURES : en es
  • GB560022A - Method for reconditioning used solutizer solutions used in the refining of hydrocarbons : en
  • US2344274A - Roller press : en
  • ES163842A1 - A PROCEDURE FOR MANUFACTURING TOOLS FOR CUTTING MARBLE AND PRODUCTS OR PETAL MASSES : en es
  • US2344473A - Remote control apparatus : en
  • US2344048A - Air conditioning apparatus : en
  • US2344382A - Camera : en
  • ES164400A3 - IMPROVEMENTS IN THE ASSEMBLY OF SAILS ON BOATS : en es
  • DE745272C - Furnace for the heat treatment of small metal parts using ionized gases : de en
  • ES164743A3 - A PROCEDURE FOR THE MANUFACTURE OF TRACING NEEDLES FOR SOUND RECORDING : en es
  • US2344113A - Switch : en
  • ES164766A1 - A ASSEMBLY INTENDED TO TRANSFORM MODULATED OSCILLATIONS IN FREQUENCY IN MODULATED OSCILLATIONS IN AMPLITUDE : en es
  • US2344096A - Operating arrangement, particularly for change-speed gearing for motor vehicles : en
  • DK62033C - Procedure for Manufacturing in a Tunnel Furnace of Shaped, Light and Porous Stones and Other Pottery and Tunnel Furnaces for Carrying Out the Procedure. : da en
  • ES164687A1 - IMPROVEMENTS INTRODUCED IN THE TEST BANKS : en es
  • ES164368A1 - A PROCEDURE TO ESTABLISH SECRET RADIO COMMUNICATIONS : en es
  • ES164426A3 - A THERMAL ECONOMIZING VESSEL SYSTEM : en es
  • ES164475A1 - A DEVICE FOR THE CONTROL OF BICYCLE AND SIMILAR BRAKES : en es
  • ES164256A1 - SOME IMPROVEMENTS IN THE COILS AND IGNITION FOR EXPLOSION ENGINES : en es
  • ES164746A3 - A PROCEDURE FOR THE SERIES MANUFACTURING OF SOUND FILMS WITH MECHANICAL SOUND RECORDING : en es
  • US2344056A - Drain valve tank fitting : en
  • ES163904A1 - A PROCEDURE FOR IMPREGNATING CARDS, CARDBOARDS, CARDBOARD OR ANY OTHER APPROPRIATE MATERIAL IN ORDER TO PRODUCE A PREVIOUSLY CONCLUDED DEVELOPMENT : en es
  • ES164456A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 150525 : en es
  • ES164466A1 - A PROCEDURE FOR DISTILLING IN DRY AND GASIFYING OIL SKINS AND SIMILAR COMBUSTIBLES, RICH IN ASHES : en es
  • US2344300A - Shaker conveyer trough connecting means : en
  • US2344355A - Sedimentation apparatus : en
  • US2344331A - Frictional resistance test apparatus : en
  • ES164317A1 - IMPROVEMENTS INTRODUCED IN THE ROTARY TURBINES OR COMPRESSORS TRAVELED IN AXIL SENSE BY THE WORKER : en es
  • US2343861A - Electromagnetically controlled device : en
  • US2344228A - Mixing plant : en
  • FR891730A - Electromagnetic motor for controlling teletechnical devices, more particularly for automatic telephone selectors : en fr