• CH167884A - Overlapping sheet metal connection. : de en
  • US1950918A - Combined headlight lens and reflector : en
  • DE594135C - Arrangement for recording the duration of the occurrence of certain voltage values : de en
  • US1950703A - Refrigeration : en
  • CA339925A - Razor blade sharpener : en fr
  • CH167779A - Lock for left-left knitting machines with jacquard equipment. : de en
  • US1950883A - Treatment of aluminum hydrate : en
  • US1950808A - Rolling awning or screen housing and support : en
  • US1951204A - Carton : en
  • US1950409A - Combined egg candler and dater : en
  • US1950751A - Fence post : en
  • USD91719S - Design for a bracelet or similar : en
  • US1951241A - Distillation and purification of fatty acids : en
  • US1950541A - Carrier frequency receiving circuits : en
  • USD91718S - T li mandri : en
  • US1950522A - Pilot for valve seat facing tools : en
  • US1951021A - Ionization tube structure : en
  • DE594466C - Power supply unit : de en
  • CA340009A - Electric discharge lamp : en fr
  • CH167745A - Warm or hot water heating. : de en
  • CH167980A - Automatic braking device, for vehicles. : en fr
  • US1950777A - Hydraulic turbine : en
  • US1951225A - Motor control system : en
  • US1951278A - Fracture nail : en
  • DE594034C - Machine for flattening and rubbing seams on footwear : de en
  • DE594464C - Conversion of sulfur dioxide in gases containing small amounts into sulfur : de en
  • CH167923A - Automatic power switch. : de en
  • US1950514A - Lubricating means for sewing machines : en
  • US1951132A - Method of making memorial markers : en
  • US1951254A - Electrooptical testing device for acoustic signals and sounds : en
  • US1950775A - Hydraulic turbine : en
  • US1950502A - Combination deodorizer and dehumidifier : en
  • US1950651A - Process for gluing wood in the manufacture of plywood : en
  • US1950699A - Battery terminal connecter : en
  • CA340032A - Card display stand : en fr
  • DE594240C - Method of making a screen : de en
  • US1950675A - Friction gear for stepless changing the rotation of a driven shaft : en
  • US1951058A - Dump wagon : en
  • DE594154C - Device for feeding spools of thread and similar objects to be packed in groups : de en
  • US1950925A - Sport glasses : en
  • US1951188A - Detachable shaft coupling device : en
  • US1950564A - Sewing machine : en
  • US1950974A - Noiseless coin container : en
  • US1951256A - Shoe : en
  • CH167899A - High pressure tubular boilers, in particular for locomotives. : de en
  • US1951288A - Tightening support for water pumps : en
  • DE594155C - Drying device : de en
  • CA340050A - Current rectifier : en fr
  • USD91748S - Design for a carrying handle : en
  • DE594170C - Driving shield sliding on a foundation plinth : de en
  • ES1987U - Flexible cartridge with easily replaceable threads. (Machine-translation by Google Translate, not legally binding) : en es
  • CH167910A - Sheet metal housing on AC foot motors. : de en
  • US1950527A - Calculating machine : en
  • US1950769A - Dispensing device : en
  • DE594360C - Automatic switching device for the binding eccentric on looms : de en
  • CA339962A - Brake : en fr
  • CH167836A - Electric heat regulator. : de en
  • DE594105C - Pulley change gear : de en
  • DE594335C - Fuel pump for internal combustion engines : de en
  • GB407372A - An improved hydraulic power transmitter : en
  • CH167978A - Filling device in storage containers for bulk goods. : de en
  • DE594419C - Mining machine with a cutting arm and a short cross conveyor : de en
  • CA340091A - Rotary gas pump : en fr
  • CA339959A - Forced draft furnace : en fr
  • DE594502C - Device for the aftertreatment of copper silk spider cake : de en
  • CA340078A - Synthetic resin product : en fr
  • CH167950A - Device for rubbing babies' gums. : en fr
  • CH167996A - Fans, in particular for vehicles. : de en
  • US1950455A - Silencer : en
  • USD91734S - Design for a dress : en
  • US1950970A - Two-cycle engine : en
  • ES133303A1 - Traction system of railway vehicles. : en es
  • FR761358A - Closure for filing cabinets, loose-leaf registers and similar applications : en fr
  • US1950795A - Machine for making and applying wire handles to baskets : en
  • DE594354C - Projectile with movable wings, particularly suitable for use as an aerial bomb : de en
  • DE594327C - Hemostatic pen : de en
  • US1950598A - Power transmission device : en
  • US1950665A - Manufacture of cellulose ester products : en
  • US1951071A - Refrigerator tray : en
  • US1951247A - Steering gear for motor vehicles : en
  • US1950669A - Fluid heated roll : en
  • US1950872A - Mold for artificial teeth : en
  • US1951070A - Threshing machine : en
  • DE594243C - Spark plug with electrode cemented into the insulating body : de en
  • US1950436A - Polymerized halogenated hydrocarbons and process of producing same : en
  • DE594142C - Material stop on single or multi-spindle automatic bar turning jaws : de en
  • US1950654A - Formation tester : en
  • DE594388C - Auger cutter for cutting toothed wheels : de en
  • DK48511C - Apparatus for devices for indicating stops on trams. : da en
  • ES133217A1 - ANNOUNCEMENT APPARATUS : en es
  • DE594417C - Pick hammer with conical retaining cap : de en
  • FR761144A - safety nut : en fr
  • GB407139A - Improvements in or relating to electromagnetic devices with axially movable armatures : en
  • CH168007A - Electric thread monitor device for slip creels. : de en
  • AU1249233A - Improvements in means forand relating to corralling and trapping animals : en
  • US1951304A - Method of coloring copper and copper alloys : en
  • CA339956A - Automobile ventilator : en fr
  • CA340095A - Unknown quantity indicating and recording instrument : en fr
  • DE594118C - Process for solidifying and sealing cast cardboard bottles, cast cardboard packs and other cast cardboard products by impregnation with pore-filling substances : de en
  • DE593927C - Typewriter, typewriter or similar machine : de en
  • DE594083C - Process for the production of methyl vinyl ketone : de en
  • GB407187A - Manufacture of sulphonation products of aliphatic carbinols : en
  • US1950898A - Synchronous electric clock and the like : en
  • CA339982A - Photographic anti-halation layer : en fr
  • US1951168A - Metal eyelet : en
  • DE594414C - Ignition device for gas stoves and stoves : de en
  • DE594526C - Device for checking coins : de en
  • FR761343A - Panel applicable in particular to signage and advertising : en fr
  • GB407376A - Improvements in and connected with the separation of solid materials of different specific gravities by pneumatic pressure : en
  • ES133294A1 - Quick opening and closing valve without water hammer. : en es
  • FI15728A - Laundry angel : en fi
  • FR761108A - Device intended to improve the chimney draft : en fr
  • DE594357C - Mechanical dice device : de en
  • FR761263A - Improvements relating to cosmetic cases : en fr
  • FR761397A - Process of impregnating fibers with rubber : en fr
  • US1950888A - Vibration damper : en
  • US1950690A - Dual sound recording and reproducing apparatus : en
  • DE594197C - Process for the production of resinous masses and lacquers : de en
  • CH167861A - Machine for boring and honing cylindrical bores. : de en
  • DE594235C - Electric pot vacuum cleaner with all-round filter : de en
  • ES1566Y - Hygienic container-container for solids or liquids to be used slowly, avoiding the use of fingers when handling the content. : en es
  • GB407228A - Combination furniture : en
  • US1950773A - Hydraulic turbine : en
  • US1950996A - Tubular fire escape : en
  • DE594141C - Clamp switch : de en
  • DE594234C - Suction hood of a vacuum cleaner with a rotating body arranged in it : de en
  • FR761195A - Process for deforming and in particular for closing the ends of tubes, more especially applicable to the manufacture of new pumps for cycles : en fr
  • GB407148A - Improvements in or relating to pistons : en
  • GB407211A - Improved connections for sheet iron pilings : en
  • DE594403C - Protection device for electrical line networks using a tube transmitter and tube receiver for currents of non-network frequency : de en
  • ES133320A1 - A mechanical roulette powered automatically by the pressure in its path of a disk or coin. : en es
  • FI15776A - Dörrlås : en fi
  • GB407203A - Improvements in slabs for building and other structural purposes : en
  • FR761155A - Process for obtaining rubber bands for the manufacture of tires in particular, and rubber bands obtained by this process : en fr
  • GB407196A - Improvements in or relating to pencil-sharpener appliances : en
  • GB407959A - Manufacture of fondants : en
  • GB407095A - Improvements in luminous signs : en
  • GB407183A - Improvements in amusement devices for playing table games : en
  • FR761387A - Fishing equipment : en fr
  • ES133199A1 - A mechanism for changing the direction of rotation of the tines or spindles of spinning machines and the like. : en es
  • GB407354A - Improvements in or relating to electric circuit interrupters : en
  • CH167909A - Device for adjusting the brush bridges of rotor-fed reversible multi-phase collector shunt machines. : de en
  • DE594438C - Zinc alloys : de en
  • ES133221A1 - An electric clamp for welding. : en es
  • GB407266A - Improvements in or connected with a sealing device : en
  • CA340079A - Smelting process : en fr
  • US1950645A - Smoking pipe : en
  • ES132811A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • FI15726A - Metal straps for hops and co-grinding with ls. : en fi
  • FR761382A - Improvements to cask tanks for the fermentation of liquids and in particular beer wort : en fr
  • FI15745A - Shaving soap cup : en fi
  • FR761107A - Method of rolling parallel-flanged u- and i-beams by means of fluted roll mills : en fr
  • ES2138Y - Perfected grill. : en es
  • CH167838A - Measuring device with friction gear. : de en
  • FR761112A - Artificial wool, and its manufacturing process : en fr
  • US1950691A - Combined take-up drive and handle for motion picture cameras : en
  • US1950850A - New derivatives of higher aliphatic hydrocarbons containing sulphur and process of making same : en
  • US1951111A - Treatment of hubs of car wheels : en
  • DE594365C - Turntable or sliding platform with subdivided main girders : de en
  • US1950387A - Slag formation and reduction in lead softening : en
  • US1950635A - Connecter : en
  • US1950688A - Perforating and forming apparatus : en
  • US1951211A - Arrangement for driving rotary compressors : en
  • US1951238A - Kitchen cabinet : en
  • FR761154A - Needle for making high wool rugs and ladies' works : en fr
  • DE594336C - Fuel injection pump : de en
  • CH168000A - Barrier. : de en
  • DE593982C - Method and device for cleaning and degreasing : de en
  • GB407088A - Improvements in or relating to the manufacture of soap for use in dry cleaning : en
  • GB407262A - Improvements in bunching motions for pirn winding machines : en
  • ES133143A2 - IMPROVEMENTS IN THE OBJECT OF MAIN PATENT NUMBER 128848, RELATING TO THE PNEUMOTORAX DEVICE : en es
  • CH167804A - Process for the production of a chromium-containing azo dye which coloring in shades of pink. : de en
  • FR761356A - Device for grinding or polishing smooth or profiled bodies : en fr
  • GB407708A - Improvements in or relating to the immunisation of seed grain and the like : en
  • DE594308C - Respirator : de en
  • FR761267A - : fr
  • GB407241A - A method of and means for imparting a silky gloss to woollen pile carpets : en
  • FR761388A - Method and device for producing tilting or sawtooth oscillations of constant frequency : en fr
  • GB407256A - Frame for spectacles and eye-glasses : en
  • ES132819A1 - A connection system for the selective reception and amplification of electrical oscillations. : en es
  • FR761173A - Universal inkwell : en fr
  • FR761374A - Device for fixing spools on the spindles of looms : en fr
  • DE594219C - Process for the preparation of aminoacetic acid or its esters by reducing cyanoformic acid ester : de en
  • DE594507C - Vacuum cleaner for suction and blowing operation : de en
  • DE594060C - Device for keeping the number of turns of the working piston of milking machine pulsators constant : de en
  • FR761219A - Point recording device for the card game called bridge : en fr
  • DE594482C - Process for the preparation of N-alkyl perhydrocarbazoles : de en
  • GB407278A - Improvements in or relating to automatically controlled low frequency thermionic amplifiers : en
  • DE594447C - Shut-off device : de en
  • GB407331A - Method for the elimination from wool and animal spinning fibres of a similar nature of adhering pitch : en
  • GB407195A - Improvements in or relating to roofing tiles : en
  • DE594163C - When closed, removable needle bearing : de en
  • FI15771A - Installation of the engine on the bicycle : en fi
  • FR761266A - Improvements to coffee grinders : en fr
  • ES133310A1 - Procedure with your device to carry out, with a spring, the closing of bottle caps. : en es
  • FR761366A - Improvements in means for the production of sounds, in particular music, from phonograms : en fr
  • FR761179A - Manufacturing process of rubber hollow bodies : en fr
  • GB407231A - Improvements in and relating to the production of hosiery on flat bar knitting frames : en
  • US1950431A - Halogen derivative of acetylene polymers and process for making same : en
  • US1950606A - Electric resistance : en
  • FR761185A - Clutch device : en fr
  • DE594199C - Drying drum for rotogravure printing machines : de en
  • ES131041A3 - A process for the manufacture of agglomerates of chicory substitute for coffee. : en es
  • ES133323A1 - A machine to reproduce. : en es
  • USD91732S - Design fob a dress : en
  • DE593864C - High-performance fuse with extinguishing of the interruption arc by flowing compressed gas : de en
  • DE594151C - Process for decorating ceramic products : de en
  • FR761292A - Device for maintaining a shaft longitudinally in at least one position relative to a bearing in which it rotates : en fr
  • GB407154A - Improvement in weighbridges : en
  • GB407336A - Surfaces for the reception of pointed articles : en
  • US1950796A - Cleaning nozzle : en
  • CH167904A - Steam power plant with circuit of the working medium. : de en
  • FR761199A - Device for cleaning and maintaining tiles, parquet floors and similar surfaces : en fr
  • FR761225A - Improvements to television sets and other similar devices : en fr
  • GB407159A - Improvements in or relating to observation apparatus for motor vehicles : en
  • FI15758A - Thermostat : en fi
  • ES133354A2 - APPARATUS FOR PROJECTION COPYING OF LENTICULAR RETICULA FILMS : en es
  • GB407229A - Improvements in and relating to electric and other welding machines : en
  • FI15765A - Sätt för blekning av cellulosahaltigt material e.d., såsom Cellulosa eller cellulosaderivat, eller material, innehållande sådana ämnen, jämte på sådant sätt behandlat material : en fi
  • FR761148A - Further training on bent axles of locomotives and similar shafts and resulting parts : en fr
  • DE594185C - Piston for liquid pumps with suction slide : de en
  • US1950946A - Navigational instrument : en
  • CA340058A - Nut placer for tapping machines : en fr
  • US1950987A - Display device : en
  • FI15753A - Myntprövare för automater : en fi
  • US1950709A - Attachment for bathing infants : en
  • US1950560A - Signal : en
  • DE594518C - Comb cutting machine : de en
  • DE594198C - Depositing device for the matrices or the like of matrix setting machines and line casting machines or the like, in which the matrices collected in a channel are lifted from the depositing lock to the distributor by means of a separating slide : de en
  • DE594404C - Method for the quantitative determination of low electrical conductivities and related parameters : de en
  • ES2415U - A molded part for artificial teeth (Machine-translation by Google Translate, not legally binding) : en es
  • FR761326A - Assembly comprising an oscillating circuit with positive resistance and two electronic resistors, one positive, the other negative : en fr
  • GB407084A - Improvements in or relating to centrifugal separators : en
  • DE594179C - Objects made of copper-tin-silicon alloys, shaped by hot stretching : de en
  • DE594421C - Bearing for the forme cylinder of rotogravure printing machines, formed from several parts and seated in a bore in the frame wall : de en
  • FR761149A - Device for collecting water : en fr
  • DE594451C - Two-needle hemstitch sewing machine : de en
  • DK48499C - Stop cylinder press with sheet laying in front. : da en
  • DE594152C - Process for obtaining tars from their emulsions with water : de en
  • US1951017A - Method of treating chemical pulf : en
  • US1950592A - Outer wheel bearing retention : en
  • US1951325A - Metal sign holding means : en
  • FR761129A - Process for obtaining a vegetable fiber-rubber product, and resulting products : en fr
  • US1950641A - Resin bonded wheel : en
  • US1951056A - Game : en
  • US1951152A - Sheet metal piling unit : en
  • US1950713A - Paper machinery : en
  • US1951043A - Color photography : en
  • US1950999A - Edge roll : en
  • USRE19111E - Tool holder : en
  • DE594459C - Device for wet twisting threads : de en
  • ES133236A1 - IMPROVEMENTS IN THE OBTAINING OF SOLID FUELS TO MAKE THEM FLAMMABLE TO THE SPARK AND ITS CORRESPONDING EXECUTION PROCEDURE : en es
  • ES133376A1 - A breeder for chicks. : en es
  • FR761103A - System of column trays to be distilled, rectified, purified, dehydrated, etc. : en fr
  • US1950487A - Oil filtering and rectifying device : en
  • AU1194433A - Improvements in rotary furnaces for combustion of town refuse andthe like : en
  • DE594042C - Closed fuse for alternating current : de en
  • DE594123C - Steep index : de en
  • ES133343A1 - Procedure for manufacturing a binder to agglomerate carbons and for superficial and deep irrigation of roads and streets. : en es
  • FR761283A - Thermionic generator of high and very high frequency electrical oscillations : en fr
  • US1950764A - X-ray apparatus : en
  • DE594291C - Single-axle vehicle connected between a towing vehicle and a trailer, in particular to carry the gas generation system : de en
  • DE594422C - Device for bringing together printed in double-width rotary high-pressure machines and then divided into single-width webs and longitudinally folded sheets of text with the z. B. printed in a rotogravure printing machine and then cut from the single-width web of inserts or envelopes : de en
  • GB407141A - Improvements in or relating to covers for fruit baskets and other similar receptacles : en
  • GB407672A - Process and apparatus for the sterilised filling of liquids, more especially beverages like beer, fruit juices and the like, into glass bottles having a suitable closure : en
  • CA339949A - Tube cap : en fr
  • CH166490A - A process for preparing glucinium fluoride from a double glucinium fluoride and an alkali metal. : en fr
  • DE594395C - Production of hydrogen and hydrogen-containing gases from hydrocarbons : de en
  • DE594449C - Brush roller for devices for sharpening, peeling, polishing and brushing of grain : de en
  • US1950602A - Brake linkage : en
  • CA340067A - Tarnish resisting silver : en fr
  • CH167997A - Light vehicle. : de en
  • US1951244A - Signal lamp : en
  • DE594284C - Rotary piston machine with sickle-shaped working area : de en
  • US1950845A - Machine for treating skeins of textile material : en
  • DE594358C - Chip basket for transporting fruit, vegetables or the like. : de en
  • DK48493C - Method of Preparation of Secondary and Tertiary Derivatives of the Aminomethyl Heptene. : da en
  • FR761164A - Concrete pipe and its method of assembly : en fr
  • GB407239A - Car hoisting device : en
  • DE594369C - Frequency monitoring arrangement : de en
  • US1950771A - Wire clamp and connecter : en
  • DE594159C - Switchgear with liquid switches : de en
  • US1950715A - Camera : en
  • US1950402A - Work carrier : en
  • DE594182C - Flow meter : de en
  • ES2420U - Inviolable envelope. (Machine-translation by Google Translate, not legally binding) : en es
  • CH167865A - Method and device for the production of wooden vessels. : de en
  • CH167873A - Collar button. : de en
  • FR761171A - Hunting rifle device with two superimposed and fixed barrels and with movable block : en fr
  • FR761237A - Device adapting to bicycles, tricycles, tandems, etc., to increase their speed and reduce the force necessary for their actuation : en fr
  • NL32127C - : en
  • US1950687A - Hood catch : en
  • DE594486C - Push button mechanism with power drive of a die setting and line casting machine : de en
  • ES2079Y - Heating radiators. : en es
  • FR761258A - Improvements in the production of films, sheets, etc. : en fr
  • FR761305A - Pull-off tape rake : en fr
  • GB407364A - Improvements in looms for weaving pile fabrics : en
  • CA339926A - Elevator for mines and quarries : en fr
  • CA339931A - Saw handle : en fr
  • US1950969A - Machine for stropping razor blades : en
  • FR761348A - Simplified day and night signaling device for motorcycles, cycles, etc. : en fr
  • USD91713S - Design fob a lace scarf ob similar : en
  • USD91745S - Design fob a cash register cabinet : en
  • USRE19114E - Device for regulating power generating : en
  • DE594125C - Process for the production of acetylene from methane or other gaseous hydrocarbons : de en
  • ES133157A1 - Improvements in the construction of doors for horizontal oven chambers. : en es
  • ES133305A1 - A new device to serve as condensation water collector or vapor pressure reducer. : en es
  • FR761230A - Seat convertible into bed or lounge chair : en fr
  • FR761242A - Method and device for transmitting heat from energized gases to heat receiving bodies : en fr
  • US1950716A - Electric switch : en
  • USD91733S - Design fob a dress : en
  • DE593992C - Device for determining the value of the phase angle or a clear function of the phase angle, in particular for the purpose of remote transmission : de en
  • DE594511C - Carrying table, serving device, stand or the like. : de en
  • DE594319C - Amplifier device with means for automatic sensitivity control : de en
  • DE594444C - Propellant gas generator : de en
  • DE594493C - Antenna tower serving as a vertical antenna : de en
  • FR761314A - cold hair waving pin : en fr
  • GB407283A - Improvements relating to water-tube battery condensers or like kind of apparatus of the reversible gas-flow type, for use in gas plant : en
  • ES2409U - Ballot box for elections. (Machine-translation by Google Translate, not legally binding) : en es
  • ES2398U - A new indicator of circulation built in rubber (Machine-translation by Google Translate, not legally binding) : en es
  • GB407235A - Improvements in matrix dies for extruding heated metals : en
  • US1950827A - Process for the manufacture of alkyl halides : en
  • US1951250A - Process of producing calcium butyrate : en
  • CA339999A - Telephone switch : en fr
  • CH167867A - Razor. : de en
  • US1950763A - Method of packing meat : en
  • US1950957A - Variable resistant chemicals and bandage embodying same : en
  • US1951085A - Pipe coating device : en
  • US1951192A - Automatic soil drill : en
  • US1950590A - Slack adjuster for valves : en
  • FR761313A - Clock alarm clock : en fr
  • US1950951A - Safety device for mines : en
  • DE594402C - Process for the production of electrical end or intermediate contacts, which also serve as outer leads, with resistors consisting of a poorly conductive layer on an insulating base : de en
  • ES133369A3 - Improvements in the elastic arm winders. : en es
  • ES2429U - Finned tubes for heating devices. (Machine-translation by Google Translate, not legally binding) : en es
  • US1950928A - Apparatus for effecting the tying of wool bale and like ties : en
  • US1951261A - Automobile desk : en
  • DE594181C - Measuring tap with hydraulic turnstile : de en
  • ES133281A1 - IMPROVEMENTS IN THE MANUFACTURE OF AUTOMATIC RIFLES AND OTHER FIREARMS : en es
  • US1950634A - Metallic base-board : en
  • US1951317A - Bottom cap : en
  • FR761347A - Tissue revitalization process : en fr
  • US1950712A - Sprinkler : en
  • US1950561A - Reversing gear for internal combustion engines : en
  • US1950870A - Recorder : en
  • ES133151A1 - An improved procedure in the manufacture of footwear. : en es
  • GB407102A - An improvement in or relating to shaving brushes : en
  • US1950743A - Locomotive : en
  • US1950746A - Production of resin-like condensation products : en
  • US1951197A - Joint construction : en
  • US1951259A - Battery terminal : en
  • US1951213A - Color-filter-mirror : en
  • ES2066Y - Joints of the transversal supports with the longitudinal supports of the frames in motor vehicles. : en es
  • DE1294606U - : de en
  • US1950789A - Razor : en
  • ES133024A1 - Luminous production mechanism. : en es
  • FR761367A - Insulating door : en fr
  • DE594430C - Electric incandescent lamp with a reflector forming a circular channel with a parabolic cross-section : de en
  • ES133362A1 - A plot-guide device for all types of automatic loom shuttles. : en es
  • GB407240A - Improvements in the manufacture of artificial filaments, films and the like : en
  • ES133200A3 - Procedure for the manufacture of fasteners or fasteners, especially for bandages, of instantaneous placement, self-fixing, with an elastic element of variable tension, arranged between the parts to be joined. : en es
  • FR761295A - Washing and polishing means for simultaneously producing a coating film : en fr
  • ES132536A1 - PROCEDURE FOR THE MANUFACTURE OF STOCKINGS IN RECTILINE MACHINES WITH REDUCED POINT : en es
  • FR761359A - Progressive rotary gear change : en fr
  • ES133158A1 - Improvements in the construction of closures for ovens of horizontal chambers. : en es
  • GB407252A - Improvements in cleaning or clearing apparatus for drawing mechanism for textile machinery : en
  • USD91729S - Design fob a dress : en
  • US1950642A - Sheet feeding mechanism : en
  • DE594245C - Double row self-adjusting roller bearing : de en
  • FR761193A - Device for starting the engine, by pedals, for bicycles with a clutch motor : en fr
  • GB407388A - Improvements in thermionic valves : en
  • GB407260A - Improved apparatus for delivering predetermined quantities of granular or pulverulent material : en
  • FR761123A - Calipers improvements : en fr
  • FR761381A - Combined Ash Screening Charcoal Bucket System : en fr
  • CA339995A - Steel sheet manufacture : en fr
  • CH167739A - Closing device for interchangeable containers intended to collect household waste or other materials. : en fr
  • US1951140A - Glass tube cutter : en
  • DE594298C - Procedure for registration and, if necessary, regulation of the chlorine content in water treated with this : de en
  • DK48504C - Procedure and device for prior folding of the closing part by a watertight paper vessel. : da en
  • ES133312A1 - A method to record and reproduce electrical impulses. : en es
  • GB407219A - Improvements in or relating to the regulation of steam heating systems : en
  • US1950682A - Milk can filler : en
  • USD91715S - Design for a heater : en
  • FI15733A - Milk cooler : en fi
  • FI15777A - Security chain : en fi
  • CA340062A - Convector section : en fr
  • GB407264A - Improvements in and relating to temperature responsive devices for controlling electrically operated devices : en
  • US1950782A - Soap dispenser : en
  • US1950559A - Elastic woven fabric : en
  • ES133296A1 - A procedure for the manufacture of metal reinforcements for elastic tools. : en es
  • US1951305A - Refrigerator : en
  • US1950591A - Chair ladder : en
  • DE594328C - Automatic mechanical braking device on trolleys or tipping cars with only one pull rope operated inclined lifts : de en
  • DE594452C - Furniture in table form for sewing machines : de en
  • ES133181A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • GB407176A - Improvements in or connected with dolls, toy animals, puppets and the like : en
  • AU1301233A - Improvements in crystallizers : en
  • GB407253A - Improvements in writing implements : en
  • FR761379A - Improvements made to mops : en fr
  • US1950449A - Booster equipped locomotive : en
  • FR761253A - Internal combustion turbine with full injection drive wheel rotating at a high number of revolutions : en fr
  • IE12865L - Tobacco pipes. : en
  • CA340033A - Display stand and card : en fr
  • FR761124A - Burner mounting device for gas stoves : en fr
  • DE594339C - Bearing for rotating masses, the shaft of which is mounted in two bearings, one of which is fixed and the other is flexible : de en
  • DE593925C - Rotary rubber printing machine for indirect printing of workpieces : de en
  • DE594304C - Multi-motor drive for controllable machines with decreasing torque when the speed drops : de en
  • AU1042032A - Improvements in and relating tothe transit lighting of road vehicles orthe like : en
  • FR761315A - Apparatus for expanding steam, particularly applicable to variable vacuum steam heating systems : en fr
  • ES133321A3 - Automatic vending machine. : en es
  • US1950697A - Reducing discoloration of motor fuels : en
  • US1951064A - Cable cone clamp : en
  • FR761151A - Automatic machine for decorating all cookies and making filled cookies : en fr
  • FR761368A - Packaging closure : en fr
  • US1950945A - Manufacture of fertilizers : en
  • DE594498C - Device for the exchangeable attachment of wave- or zigzag-shaped, wire- or band-shaped electrical heating resistors in electrical ovens : de en
  • ES133103A1 - A new procedure to azoar the seeds. : en es
  • GB407158A - Improvements in and relating to steam generators : en
  • GB407382A - Improvements in or relating to automatic train control systems : en
  • US1950464A - Thermionic modulating system : en
  • US1950851A - Crush pulverizer : en
  • NL32106C - : en
  • US1950725A - Ribbon feed and reverse mechanism : en
  • GB407133A - Improvements in or connected with gas lamps for street or other lighting : en
  • FI15756A - Combined egg incubator and artificial mother : en fi
  • GB407165A - Improvements relating to air-drying sizing machines : en
  • ES133247A1 - A process for manufacturing steels for high quality rivets. : en es
  • ES2428U - New sugar bowl (Machine-translation by Google Translate, not legally binding) : en es
  • FI15747A - Folding fabric bed : en fi
  • GB407355A - Improvements in the manufacture of cellulose esters : en
  • ES2434U - Syringes for injections. (Machine-translation by Google Translate, not legally binding) : en es
  • US1950792A - Shutter for automobile radiators : en
  • US1950873A - Hinge : en
  • CH167765A - Device for covering the seats of lavatories with a sheet of paper. : en fr
  • US1951296A - Choker trap : en
  • USD91744S - Design for a roof or similar article : en
  • US1950411A - Sustaining blade for aircraft rotors : en
  • US1951232A - Needle polishing machine : en
  • CH167986A - Wheel with removable rim, especially for motor vehicles. : de en
  • DE594107C - Process for the production of grinding stones : de en
  • DE594169C - Process for the preparation of sulfur-containing anthraquinone derivatives : de en
  • DE594356C - Spool spindle for hose winding machines : de en
  • ES133232A1 - Process of making a vegetable product for the preparation of a hot drink. : en es
  • ES133410A1 - Improvements introduced in the manufacture of tongue and groove parts for woodworking machines. : en es
  • GB407168A - Improvements in or relating to the treatment of fibrous materials for paper making and like purposes : en
  • GB407342A - Improvements in or relating to yarn warping or beaming apparatus : en
  • FR761136A - Extendable multi-groove pulley : en fr
  • GB407328A - Improvements in the utilisation of solid carbon dioxide as refrigerant : en
  • US1950944A - Diesel type engine : en
  • US1951083A - Air brake : en
  • CH167839A - Test bench. : de en
  • FI15774A - Dörrlås : en fi
  • IE12852L - Heat accumulators : en
  • DE594494C - Three-phase electric motor drive for work machines with fluctuating loads, especially scissors : de en
  • NL33356C - : en
  • FR761364A - Adjustable induced voltage transformer and installations including application : en fr
  • GB407263A - Improvements in or relating to exercising apparatus : en
  • DE594265C - Electrolytic capacitor with porous layers that are arranged between the capacitor electrodes and soaked with an electrolytically active compound : de en
  • DE594272C - Device for welding pipes : de en
  • ES133222A1 - A rotating lantern for the projection of advertisements or figures. : en es
  • CH167832A - Ski binding. : de en
  • GB407143A - Improvements relating to end pieces or connections for flexible pipes : en
  • CH167783A - Washing machine with removable laundry container. : de en
  • CH167973A - Suitcase convertible into seating and table furniture. : de en
  • USRE19116E - Lock washer and method of making : en
  • US1950661A - Clock : en
  • DE583236C - When the room temperature rises, the locking device for doors, especially sliding and wing doors, shutters, etc. : de en
  • DE594209C - Process for the production of nitrocellulose : de en
  • CH167763A - Connection device for the individual parts of furniture that can be dismantled, such as boxes, buffets, cupboards and the like. : de en
  • FR761130A - Advanced training in wind melting furnaces : en fr
  • FI15740A - Frequency setting for electrical cables or LED cables with ometalled connection and with high voltage cables and LEDs : en fi
  • FR761341A - Process for preparing photographic discoloration layers : en fr
  • CH167846A - Sound reproduction device. : de en
  • US1950615A - Weather strip : en
  • US1950846A - Accelerator switch : en
  • US1950818A - Parasiticide : en
  • CA339980A - Abrasive cut off machine : en fr
  • CA339966A - Insecticide, cleaning agent, etc. : en fr
  • CA340087A - Fabric cleaning apparatus : en fr
  • ES133252A1 - OIL GAS GENERATOR : en es
  • FI15786A - Grain drying plant : en fi
  • FR761394A - Starting method for AC motors whose secondary has a squirrel cage winding : en fr
  • GB407160A - Improved electric lamp holder : en
  • ES133011A1 - IMPROVEMENTS IN VEHICLES INTENDED TO TRANSPORT GOODS : en es
  • ES2407U - Paper that is used as a toy. (Machine-translation by Google Translate, not legally binding) : en es
  • FI15742A - For the purposes of this Regulation : en fi
  • GB407151A - Improvements in and relating to steam generating plants : en
  • GB407116A - Improved apparatus for obtaining unsaturated steam or vapour : en
  • DE594132C - Method for cleaning the outer walls of vehicles, in particular railroad passenger cars : de en
  • ES133223A2 - REGULATION TRANSFORMER FOR STEPLESS VOLTAGE REGULATION : en es
  • ES133329A1 - Static transformer three-phase-single-phase armature and separate inductors. : en es
  • FR761265A - Automatic cold control in appliances using carbonic acid ice : en fr
  • US1950923A - Load binder : en
  • FR761163A - Process for the creation of artificial ice rinks : en fr
  • DE594489C - Device for coupling railway vehicles : de en
  • ES133150A1 - Manufacturing process of useful objects for adornment and candy boxes, imitating pastry and confectionery items. : en es
  • ES133197A1 - Improvements in electrical resonance devices. : en es
  • FI15782A - Mask for frosting on the outside of the bearings to the spindles : en fi
  • ES133311A3 - Procedure for the preparation of a stable product that slowly and constantly releases free formic acid. : en es
  • FI15768A - Circulating water pump : en fi
  • GB407285A - Improvements in or relating to cocoanut fibre mats : en
  • US1951195A - Signal for railway crossings : en
  • CH167789A - Swimsuit for swimming and sports. : en fr
  • AU1044832A - Improvement in food products and their manufacture : en
  • AU1373733A - Improvements in or relating to sorting devices, for rapid sorting of office papers and any small articles : en
  • DK48509C - Means of Control of Harmful Organisms. : da en
  • FR761399A - Process for making holes in the ground using flushing fluid : en fr
  • FR761414A - : fr
  • CA340099A - Ventilator : en fr
  • CH167949A - Radioactive pad designed as a compress. : de en
  • GB407092A - Improvements relating to control valves for fluid pressure braking apparatus : en
  • US1950491A - Grinding machine : en
  • US1950865A - Dental crown gauge : en
  • US1950783A - Car door mounting : en
  • CA339992A - Photographic anti-halation layer : en fr
  • US1951291A - Chaser holder with heeled clamps : en
  • CA339989A - Photographic gelatine layer : en fr
  • CA340055A - Artificial reed fabric : en fr
  • US1950994A - Wheel alignment testing device : en
  • GB407338A - Improvements in and relating to adjustable piston rings : en
  • US1950728A - Valve : en
  • CH167749A - Device for connecting a pipe to a connecting piece. : de en
  • DE594202C - Dimmable headlights for motor vehicles : de en
  • DE594281C - Device to increase the usability of shunting systems with eddy current track brakes : de en
  • DE594433C - Mercury vapor lamp or rectifier burning under atmospheric pressure : de en
  • ES133396A1 - Procedure to sterilize residual water. : en es
  • DE594239C - Measuring pump with working and measuring pistons arranged one above the other in one and the same cylinder : de en
  • DE594481C - Process for the production of higher aliphatic alcohols : de en
  • CH167869A - Motorized screwdriver. : de en
  • CH167887A - Electric train. : de en
  • CH167847A - Elongated wristwatch. : en fr
  • ES133230A1 - Combined water circulation valve with five positions for water purifying devices. : en es
  • ES133298A1 - A procedure for the manufacture of duplicating devices. : en es
  • US1950702A - Nipple fastener for nursing bottles : en
  • US1950750A - Resistance device : en
  • US1950803A - Safety lock : en
  • US1951153A - Switch controlling device : en
  • DE594200C - Device for pressing the squeegee at different strengths on gravure form cylinders : de en
  • GB407173A - Apparatus for use in the testing of paper : en
  • US1950512A - Lawn sprinkler : en
  • US1950835A - Firearm light : en
  • CA340026A - X-ray system : en fr
  • US1950931A - Stock feeding mechanism for automatic machine tools : en
  • US1951041A - Draper apron : en
  • USD91702S - Design fob a thermometer : en
  • ES133165A1 - Improvements in automatic projection spotlights. : en es
  • CH167775A - Method for beating up the weft threads in looms and device for carrying out the method. : de en
  • AU1169033A - Improvements in or relating to oscillatory systems suitable for use in wireless signalling and for similar purposes : en
  • US1950509A - Control mechanism : en
  • US1950858A - Rope : en
  • US1950729A - Asparagus cutting machine : en
  • AU1318633A - Improvements in and relating to the transit lighting of road vehicles or the like : en
  • US1951326A - Process for recovering manganese from ore : en
  • DE594427C - Parcel counter : de en
  • DE594455C - Transition cover : de en
  • US1950647A - Mechanical time movement : en
  • US1950942A - Drying apparatus : en
  • DK48491C - Machine for Pasteurization and Emulsification of Dairy Products. : da en
  • CH167801A - Process for the production of water-soluble, crystalline aluminum formate. : de en
  • CH167896A - Cylinder and piston assembly of a machine, in particular an internal combustion engine. : en fr
  • CA340028A - Push button valve : en fr
  • CH167960A - Bucket syringe for optionally spraying air foam or water. : de en
  • CA339991A - Photographic anti-halation layer : en fr
  • CH168008A - Device for attaching sewing thread spools to sewing machines. : de en
  • CA340064A - Dumbwaiter door : en fr
  • CA340098A - Saw gauge : en fr
  • DE594116C - Process for the extraction of vanadium compounds from iron ores : de en
  • DE594322C - Control device for feed motors to optionally change the size of the feed : de en
  • FR761244A - Method and apparatus for forming the warp of yarns for darning fabrics, garments, stockings, socks and the like : en fr
  • GB407230A - Improvements in telekinematographic transmitters : en
  • GB407250A - Improvements in and relating to method and means for mining a soluble : en
  • FR761324A - Valve holder plug ensuring, by the variable position of the valve, the safety shut-off and the drawing of liquids : en fr
  • FR761393A - Tin cans, in particular cans : en fr
  • US1950985A - Temporary binder or loose sheet holder : en
  • CH167721A - Cultivator. : de en
  • US1950499A - Heat regulator device and method : en
  • US1951051A - Race game apparatus : en
  • CA340076A - Tool manufacture : en fr
  • CH167998A - Method for lubricating axle bearings, in particular for rail vehicles. : de en
  • CH167777A - Hinge for countersunk sewing machines. : de en
  • FR761234A - Manufacture of artificial yarns and other products using cellulose compounds : en fr
  • FR761269A - Interior trim for slat baskets : en fr
  • DE594313C - Glove with slit openings on the fingers : de en
  • US1950434A - Preparation of hydro-halogen addition products of acetylenic hydrocarbons : en
  • US1950483A - Preparation of glue and the product thereof : en
  • US1950990A - Package winding machine : en
  • US1950844A - Change speed gear : en
  • US1951037A - Blow-off valve : en
  • US1951199A - Hydraulic apparatus : en
  • US1950611A - Linear induction motor : en
  • ES133357A1 - Improvements in refrigerated cabinets. : en es
  • GB407309A - Improvements in and relating to the measurement of small angular deflections : en
  • CH167743A - Machine for spreading materials on a background. : en fr
  • DK48487C - Skraatobaksæske. : da en
  • CA340027A - Gasket : en fr
  • AU1162833A - Improvements in or relating tothe cementing together of pieces of stock : en
  • US1950417A - Wrinkle finish for flexible articles : en
  • US1950565A - Sewing machine driving mechanism : en
  • US1950986A - Oil-impregnated armature : en
  • CA339983A - Photographic emulsion : en fr
  • FI15752A - Blylegering : en fi
  • CH168018A - Process for the preparation of an azo dye. : de en
  • CH167826A - Drying cabinet, in particular for drying photographs. : de en
  • US1950794A - Oil bottle top : en
  • US1951222A - Machine for snelling fishhooks : en
  • DE594371C - Arrangement for the regulation of three-phase motors : de en
  • CH167952A - Process for the manufacture of a medicinal or vaccine. : de en
  • DE594522C - Drawing device for making scannable, d. H. raised drawings : de en
  • FR761174A - Large diameter gravity displacement road roller : en fr
  • FR761233A - Manufacture of artificial yarns and other products using cellulose compounds : en fr
  • US1950459A - Salt mixtures : en
  • US1950904A - Guide means for a receptacle in photographic apparatus : en
  • US1951094A - Method of making artificial silk and product thereof : en
  • US1951268A - Rain and sun protector for windows : en
  • FR761119A - Footstool for w.-c. : en fr
  • GB407233A - Improvements in carburettors for internal combustion engines : en
  • DK48501C - Device for television systems and the like. : da en
  • CH167746A - Liquid heater in which the liquid flows through a tube bundle. : de en
  • ES133267A3 - Manufacturing process for hair cutting and cattle shearing machines, by means of injected casting. : en es
  • ES133330A1 - Rotary muffle furnace for endothermic or similar processes. : en es
  • US1951116A - Electric discharge tube for the emission of rays of light : en
  • NL32271C - Roentgen device with rectifier and with high voltage cables provided with earthed sheaths : en nl
  • DE594134C - Switching device for electrical equipment that should be able to be connected to networks of various voltages and currents : de en
  • FR761350A - Level controller, intended in particular to measure the water contained in hydrocarbon tanks : en fr
  • GB407223A - Improvements in wheel rims : en
  • CH167959A - Apparatus for transfusion of blood. : en fr
  • IE13416L - Photography : en
  • FR761165A - Improvements to regulators for pumps for motor vehicles : en fr
  • CA340048A - Ironing machine : en fr
  • FR761221A - Improvements to the mechanism of calculating machines controlled by recording cards and others : en fr
  • US1950878A - Process of treating hydrocarbons : en
  • FR761427A - : fr
  • DE594133C - Pantographs for electric vehicles : de en
  • FR761192A - Steam motor compressor unit for locomotives : en fr
  • FR761223A - Product intended to replace leather and to make all rubber articles made from fabrics : en fr
  • USRE19112E - Metal furniture : en
  • CA339994A - Sheet mill catcher : en fr
  • CH167822A - A stack of carbonless form sheets glued together. : de en
  • CH167805A - Process for the production of a chromium-containing azo dye which coloring in shades of pink. : de en
  • CH167857A - Device for reducing and displaying the oxygen pressure in oxygen battery systems. : de en
  • FR761370A - Improvements to caissons for jacking operations : en fr
  • GB407276A - Method of protecting lead : en
  • ES1827Y - Lined wooden heel. : en es
  • ES133156A1 - A manufacturing process for insulating and decorative coatings at par. : en es
  • ES133170A1 - An ozonator device : en es
  • US1950428A - Storage battery charging and distributing panel : en
  • US1950753A - Means for and method of magnetizing magneto field members : en
  • FR761121A - Distributor regulator of the oil flow to several sprayers-burners in proportion to the air flow of each : en fr
  • GB407199A - Improved control device for railway signals, points and the like : en
  • GB407294A - Improvements in and relating to apparatus for use in cooking : en
  • US1950521A - Safety device for suspended passenger ropeways with two pull ropes : en
  • FR761212A - Glass working process in pot furnaces : en fr
  • GB407248A - Improvements in or relating to chocolate : en
  • US1950520A - Means of power transmission : en
  • US1950804A - Storage battery terminal connection : en
  • US1950529A - Shuttle binder for looms : en
  • US1950921A - Wire pail or egg basket : en
  • DE594463C - : de en
  • GB407204A - Improvements in the manufacture of shoes : en
  • GB407247A - Folding camping trailer : en
  • US1951145A - Parking device for vehicles : en
  • DE594391C - Ski edge fitting : de en
  • FR761322A - Insulating support for electrical pipes : en fr
  • ES133314A3 - Process for manufacturing hollow rubber objects starting from latex. : en es
  • CH168029A - Process for the preparation of a new salt of a polyoxymonocarboxylic acid. : de en
  • US1950772A - Mold for food products : en
  • US1950498A - Portable pressing device : en
  • USD91705S - Design for a carpet sweeper : en
  • CH167727A - Construction. : en fr
  • US1950731A - Receiver : en
  • GB407301A - Improvements in and relating to chimney cover plates : en
  • IE13452L - Photography : en
  • FR761122A - Amphibious bicycle : en fr
  • GB407258A - Improvements in and relating to cinematograph apparatus : en
  • US1950612A - Art of coating metals with lead : en
  • US1950885A - Metans for preventing raveling of garment seams : en
  • US1950976A - Automobile control mechanism : en
  • GB407245A - Improvements in crushers : en
  • GB407302A - Improvements in and relating to electric hoisting apparatus : en
  • DK48508C - Arrangement for the Examination of Milk with Respect to Changes in Its Composition Caused by Upper Diseases. : da en
  • US1950376A - Basket and handle therefor : en
  • DK48486C - Tool for Use in the Manufacture of Patterned Textiles. : da en
  • US1951065A - Pneumatic rock drilling machine : en
  • US1950421A - Dyestuffs derived from cyano acetic acid : en
  • DK48513C - Savings machine. : da en
  • US1950875A - Process for the vaporization of formamide : en
  • US1951331A - Support construction for radiators and the like : en
  • GB407101A - Improvements in or relating to operating means for brakes, clutches, and other devices operated by fluid pressure : en
  • US1950573A - Rolling mill : en
  • ES2141Y - Pencil sharpening device that collects all the waste inside. : en es
  • DE594026C - Reservoir for the brake fluid of hydraulic braking devices on motor vehicles or on hydraulic power transmission systems : de en
  • DE594457C - Device for tapping and sucking off blood from slaughter animals : de en
  • ES132813A3 - Procedure for obtaining products similar to soap and for the manufacture of soaps, detergents and the like. : en es
  • GB407718A - Improvements in or relating to electric cables : en
  • ES133198A1 - A new procedure for the manufacture of soles for footwear. : en es
  • FR761255A - Suspension and shock-absorbing device for vehicles : en fr
  • GB407080A - Improvements in or relating to bed settees, couches, divans and the like : en
  • US1950672A - Combination metal lath and wall board construction : en
  • GB407140A - Device for the treatment of rheumatism in any form : en
  • US1950639A - Timing control for synchronized power transmissions : en
  • US1950867A - Pivot bearing for clocks, watches, and other precision instruments : en
  • GB407206A - Manufacture of azo-dyestuffs : en
  • US1950938A - Piercing point : en
  • ES133259A1 - A new ignition procedure for ionized mercury vapor lamps. : en es
  • ES2445U - New reinforcement to make ties and ties unbreachable. (Machine-translation by Google Translate, not legally binding) : en es
  • FI15762A - Procedure for making cardboard or sheet-like articles and similar products : en fi
  • GB407093A - Improvements relating to casement windows and the like : en
  • USD91736S - Design for a dress : en
  • FR761369A - Apparatus for the distillation and incineration of materials applicable in particular to the treatment of seaweed : en fr
  • GB407721A - Improvements in and relating to methods of and apparatus for cutting spiral bevel gears : en
  • IS76B6 - Method for preserving animal and plant substances : en is
  • FI15778A - Letter opener : en fi
  • FR761323A - : fr
  • GB407277A - Improvements in broaching attachments for metal cutting machines : en
  • DE593838C - Gripper and round shuttle drive for multi-needle embroidery machines : de en
  • FR761156A - Improvements in the construction of crucible furnaces for melting glass or other industries : en fr
  • FR761385A - Improvements to electrical contactors for controlling pneumatic machines : en fr
  • FR761395A - Process for manufacturing conical caps of cardboard or similar materials and caps obtained by this process : en fr
  • GB407282A - Improvements relating to spark plugs : en
  • ES133245A3 - Toothbrush system, interchangeable. : en es
  • ES133335A1 - An electron discharge device. : en es
  • FI15785A - The aid is granted on a first-come, first-served basis : en fi
  • US1950695A - Cream separator : en
  • ES133202A1 - Improvements introduced in the frames and welded baseboards for internal combustion engines. : en es
  • US1950446A - Automatic device for dissipating energy : en
  • DE594210C - Toggle gear for presses, especially briquette presses : de en
  • DE594279C - Track winch with a lifting jack sitting on a movable housing : de en
  • GB407175A - A new or improved counter pressure machine for the delivery of draught beer : en
  • DE594044C - Sewing machine with a needle feed height controlled by the fabric thickness and the stitch length : de en
  • ES133404A1 - A rotary wing airplane system. : en es
  • FI15767A - Rolls of paperboard, paperboard and linen material : en fi
  • GB407218A - Improvements in rubbish bins : en
  • FR761228A - Extraction of pyrethrins : en fr
  • AU1170133A - Improvements in and relating to audio-frequency amplifying means insound reproducing apparatus : en
  • CH167734A - Device for tensioning a wire loop. : de en
  • FI15751A - A screw press used in the manufacture of casein or the like : en fi
  • DE594136C - Flue pipe cleaner : de en
  • CH167733A - Movable shutter with blinds shutter. : de en
  • DE594020C - Process for the preservation of organic substances, especially food : de en
  • DE594120C - Wrapping for bottles or other fragile thin-walled objects : de en
  • DE594406C - Rotary piston machine with slide piston : de en
  • GB407209A - Improvements in or relating to precision grinding machines : en
  • DE594538C - Shoe trees : de en
  • US1951187A - Winding machine : en
  • CH167758A - Running track for rollers. : de en
  • DE594263C - Liquid switch with arc extinguishing according to the expansion principle : de en
  • DE594487C - Process for the continuous production of clear ice : de en
  • US1951303A - Oil tank accessory : en
  • US1950685A - Hydraulic snubber : en
  • ES133242A1 - Improvements in refrigeration appliances by absorption. : en es
  • USD91714S - Design for an outboard motor : en
  • CH167889A - A piston machine that can be used as a compressor with two pistons in a common cylinder. : de en
  • CH167878A - Piston rod attachment to the cross head in piston engines. : de en
  • CH167773A - Device for switching the fabric tree of looms with clamping mechanism and planetary gear. : de en
  • GB407254A - Improvements relating to journals and periodicals : en
  • FI15737A - Differential transformer is specially designed for high frequency : en fi
  • ES2446U - Device applicable to walking dolls to improve their movements and perfect their push-ups. (Machine-translation by Google Translate, not legally binding) : en es
  • FR761102A - Improvements in the manufacture of cylindrical metal bins, especially zinc bins for dry electric battery cells : en fr
  • GB407125A - Improvements in or relating to apparatus for use in flying ballets and other similarstage effects : en
  • CA339945A - Sound radiator : en fr
  • CA340031A - Sound record : en fr
  • DE594517C - Method for filling knotholes or the like in boards : de en
  • GB407200A - Manufacture of disodium carbimide : en
  • US1950955A - Photo-electric tube : en
  • US1951233A - Abrasive and process of manufacturing the same : en
  • US1950825A - Means for preheating the air supply to a gas producer : en
  • US1950394A - Electrical operating device for neon and like signs : en
  • US1951138A - Gaseous electric discharge lamp device : en
  • GB407371A - Improvements in or relating to building constructions : en
  • DE594425C - : de en
  • ES133178A3 - Improved grease nipples for consistent grease. : en es
  • FR761319A - New rotating hat guard system with two drums or workers : en fr
  • DE594084C - Process for the preparation of condensation products of quaternary pyridine compounds : de en
  • DE594201C - Ink pad : de en
  • US1950544A - Mining machine : en
  • ES133333A3 - Procedure for the manufacture of varnished enameled wires. : en es
  • FR761355A - Low : en fr
  • GB407236A - Improvements in electric discharge devices having control grids : en
  • GB407270A - An improved handle for tennis, badminton and like rackets : en
  • ES133244A1 - Improvement in electric double wall light tubes. : en es
  • FR761105A - Improvements to keys for removing wheels for motorcycles and bicycles : en fr
  • FR761189A - Manufacturing process of softening materials for hard water : en fr
  • DE594271C - Device for conveying small-grain bulk goods : de en
  • US1951087A - Expanding plug or mandrel : en
  • US1951096A - Double acting jack : en
  • DE594381C - Frame for stove firing : de en
  • FR761184A - Construction process for metal or other panels : en fr
  • GB407308A - Improvements in and connected with sanding nozzles : en
  • US1950830A - Apparatus for carrying out distillations under low pressure : en
  • US1950516A - Phenoplastic and method of preparing same : en
  • US1951080A - Cock-grinding machine : en
  • US1950623A - Method of and machine for producing spiral fin tubing : en
  • US1951316A - Vacuum cleaner nozzle : en
  • US1950469A - Washer display gauge : en
  • USD91722S - Design foe an incandescent lamp : en
  • ES133401A1 - A cutter of metal parts. : en es
  • FR761213A - Improvement in the manufacture of thin sheet metal walls of all metals, autogenous or electrically welded, more particularly tank walls and spacers : en fr
  • FR761330A - Appliance for browning silverware : en fr
  • US1951067A - Automatic device for feeding paper : en
  • US1951227A - Milk bottle lock : en
  • CA340036A - Vaporizer : en fr
  • US1951212A - Emergency brake release : en
  • US1951169A - Mechanical power hammer : en
  • DE594368C - Circuit arrangement for telephone systems with dialer operation, in which connections of different values are established via the same connection devices : de en
  • FR761390A - Visible coin coin selector : en fr
  • US1950399A - Relaxation circuit oscillator : en
  • US1950758A - Glass machine : en
  • DE594058C - Device for sprinkling fields : de en
  • CH167834A - Toxic gas protection building. : de en
  • US1950510A - Refrigerating apparatus : en
  • US1950616A - Insulator : en
  • CH167821A - Printed sheet, prepared to receive a text by reproducing it, process and device for its preparation. : en fr
  • CA340103A - Textile apparatus : en fr
  • US1950603A - Play pen : en
  • US1950785A - Valve lapping machine : en
  • CH167738A - Device indicating the "left" of railway tracks. : en fr
  • CH167781A - Machine for treating strands of yarn, especially for dyeing. : de en
  • US1950779A - Spray gun with locked controls : en
  • CA340071A - Antenna heating system : en fr
  • US1950704A - Means for cutting external screw threads : en
  • US1950708A - Antenna system : en
  • US1951218A - Tester for high frequency oscillating current : en
  • CH167849A - Self-winding elongated watch movement. : en fr
  • CH167937A - Procedure for switching off reignitions in rectifiers. : de en
  • CA340083A - Rolling mill : en fr
  • DE594276C - Valve control for piston steam engines : de en
  • ES133388A3 - A procedure for the manufacture of handles for saucepans. : en es
  • US1950423A - Sand toy : en
  • DE594286C - Foundry shaft furnace fired with oil, gas or coal dust through the furnace hearth : de en
  • CA339979A - Glass melting apparatus : en fr
  • CA340029A - Brake valve spring mechanism : en fr
  • ES133364A1 - Absorption machine with auxiliary pressure compensating gas that circulates alternately through the vaporizer and the absorber by means of a vibrating plate. : en es
  • FI15766A - Sätt att tillverka glättat papper : en fi
  • AU1144033A - Improvements in or relating to cathode ray tubes : en
  • CH167991A - Safety device to prevent the theft of releasably attached machine parts. : de en
  • US1950806A - Gas generator : en
  • CA339924A - Condiment holder : en fr
  • CH167810A - Process for the preparation of a selenocarbocyanine which has a methyl group on the central carbon atom of the polymethine chain. : de en
  • CH167875A - Ash catcher for cigars and cigarettes. : de en
  • FR761222A - Game of dice : en fr
  • IE12487L - Wash tubs : en
  • US1950684A - Preparing lithographic stones : en
  • US1950915A - Device combining lift, propulsion, and autopropulsion for aircraft : en
  • US1951164A - Vehicle signal : en
  • DE594446C - Fixed slide sealing ring : de en
  • DE594246C - Device for the production of chrome coatings : de en
  • ES2087Y - Taco for almadreña. : en es
  • CA340000A - Telephone system : en fr
  • DE594270C - Machine for stamping and punching out cookies : de en
  • ES133332A3 - Improvements introduced in the manufacture of crics or cats. : en es
  • FR761196A - Improvements to television sets : en fr
  • CA340030A - Sound record : en fr
  • US1950458A - Lighting fixture : en
  • US1950574A - Extension ladder latch : en
  • CA340019A - Acoustical ceiling : en fr
  • CA340070A - Antenna : en fr
  • ES132879A1 - A process for manufacturing radiator panels. : en es
  • ES133196A1 - Method to modulate a beam of radiant energy and register the modulation. : en es
  • FR761210A - Crankcase gas and vapor recuperator and regenerator : en fr
  • FR761296A - Profiled metal ruler for leveling cement screeds or similar materials : en fr
  • US1950577A - Automatic medicinal vaporizer : en
  • US1950581A - Variable speed transmission mechanism : en
  • US1950887A - Internal combustion engine : en
  • US1951217A - Vibration dampener and isolator : en
  • US1951063A - Manufacture of fluted, corrugated, twisted, or other like metal or other tubes, rods, or bars : en
  • US1951282A - Fence post : en
  • US1951151A - Tape spool : en
  • CH167755A - Process for increasing the gas yield when operating discontinuous chamber furnaces which are used to generate distillation gas and coke. : de en
  • AU1214633A - Improvements relating to filtering or thickening apparatus : en
  • CA340088A - 3-methylal-3-oxymethl-n-pentane : en fr
  • CH167828A - Removable device with keys for musical instruments with keys. : en fr
  • CH167939A - Method of charging electric furnaces to perform operations comprising reductions, and furnace for implementing this process. : en fr
  • US1950614A - Control apparatus : en
  • ES133350A1 - Procedure for the neutralization of vegetable and animal oils in general and application of the products and subproducts obtained. : en es
  • US1950515A - Master switch : en
  • US1950914A - Transmission : en
  • US1950791A - Flower end cutter for fruit peeling machines : en
  • DE594344C - Advertising device with long and thin ribbons turned on the other side about its longitudinal axis : de en
  • DE594537C - Device for grinding and honing razor blades, consisting of one or more pairs of exchangeable, mutually inclined grinding and stripping bodies : de en
  • DK48507C - Tile or Plate of Glass and Procedure for the Manufacture of the same. : da en
  • FI15770A - Spring device for bicycle handlebar : en fi
  • US1950718A - Fruit peeling, stemming, halving, and trimming method and apparatus : en
  • GB407343A - Improvements in or relating to yarn beaming apparatus and the like : en
  • DE1293365U - : de en
  • CH167831A - Ski binding. : de en
  • DE594248C - Method and device for drying objects made from moist paper pulp : de en
  • FR761216A - Apparatus for transforming powdered medicinal substances into pills : en fr
  • DE594165C - Brassiere : de en
  • US1950765A - Sanitary napkin machine : en
  • US1951240A - Garment : en
  • US1951239A - Article dispenser : en
  • ES133413A1 - A procedure for the manufacture of recessed and coated bathtubs. : en es
  • FR761303A - Metal cover with rubber damper : en fr
  • FR761224A - Suspended and dragged landing pad for aircraft carrier : en fr
  • GB407379A - A process for improving the temperature-viscosity curves of lubricating oils : en
  • US1950814A - Production of candles : en
  • CH167786A - Shirt. : en fr
  • CH167894A - Engine system with a manually operated ignition adjustment device. : de en
  • CH167845A - Speaker. : de en
  • CA340092A - Wired radio receiving system : en fr
  • GB407279A - Improvements in apparatus for recording conditions of the vascular system : en
  • ES2004U - Nails or metal pitches to indicate the steps for pedestrians in the roadways. (Machine-translation by Google Translate, not legally binding) : en es
  • GB407287A - Improvements relating to dressing tables and like articles of furniture : en
  • US1951220A - Rod coupling : en
  • FR761276A - Process for the catalytic hydration of ethylene or the catalytic dehydration of ethyl alcohol : en fr
  • ES133403A1 - Procedure to manufacture shatterproof glass. : en es
  • GB407234A - Improvements in or relating to rubber-coated fabrics : en
  • US1950511A - Electrically operated steam generator for individual heating units : en
  • US1951066A - Removing scale from pipes and tubes : en
  • NL32298C - : en
  • CA339974A - Ventilating system : en fr
  • CA340018A - Acoustical ceiling : en fr
  • DE594497C - Metal vapor rectifier : de en
  • ES132361A1 - Improvements in the switches. : en es
  • GB407275A - Improvements relating to the manufacture of spark plugs : en
  • ES133393A3 - A procedure for making velvet ribbons. : en es
  • FR761138A - High resistance removable seat device for all types of valves : en fr
  • GB407680A - Improvements in or relating to clutches or brakes : en
  • US1950676A - Capacitance coupling : en
  • DE594130C - Track layout with alternately changed track : de en
  • FR761207A - Improvements to taps and warranty capsules : en fr
  • GB407288A - Improvements in method of and means for heating a container electrically : en
  • DE594292C - Device for illuminating the front of a motor vehicle : de en
  • DE594333C - Process and system for the field-wise transfer of the hole information from an original strip to a double strip : de en
  • ES133366A1 - Procedure to preserve and clarify liquids that contain colloids. : en es
  • US1950570A - Sewing machine : en
  • US1950824A - Dental-instrument grinding device : en
  • US1951190A - Finger and hand guard : en
  • US1950451A - Aqueous dispersion of rubber : en
  • US1950768A - Unit heater and ventilator : en
  • US1950900A - Process and means for producing asphalt : en
  • US1950935A - Food : en
  • US1951176A - Coating machine and process : en
  • US1950385A - Electrical griddle or cooker : en
  • US1950862A - Brush : en
  • US1950381A - Automatic take-up for brakes : en
  • US1950470A - Radiant burner : en
  • US1951136A - Electric lamp device : en
  • FR761146A - Safety and adjustment device for heating : en fr
  • CA340096A - Textile fabric : en fr
  • DE594242C - Shielding device for the electrical ignition devices of internal combustion engines : de en
  • DE594441C - Tedder with reversing gear and computer drum : de en
  • CH167985A - Device suitable for canceling the vacuum in the suction piping of automobile engines. : en fr
  • DE594378C - Process for producing long, wool-like threads : de en
  • DE594216C - Conveyor device for rolling stock or the like, in particular roller table for rolling mills : de en
  • DE594453C - Device for destroying foam in milk heaters : de en
  • GB407226A - Improvements in or relating to beaters for paper pulp and like material : en
  • GB407131A - Improvements in or relating to pens : en
  • GB407361A - Improvements in or relating to firelighters : en
  • DE594157C - Process for the absorption or recovery of carbon monoxide and diolefins or of one of these two compounds from gases or vapors : de en
  • DE594461C - Sludge centrifugal machine, in which the centrifugal drum consists of two drum parts and is provided with a closing slide for the sludge gap : de en
  • US1950714A - Container and cooler : en
  • FI15738A - Regulator med en medelst flytande ell gasformiga medel rörlig isodromt verkande återföring : en fi
  • ES133414A1 - A procedure to obtain glues. : en es
  • GB407064A - Improvements in taps or cocks for gas, fluids and the like : en
  • GB407098A - Improved method of, and means for, controlling the output of compression refrigerating apparatus : en
  • US1950707A - Mining machine : en
  • USD91710S - Design for a buckle : en
  • FI15727A - The procedure produces inner plates for separators : en fi
  • ES133372A3 - Improvements in cold rooms, refrigerators and similar facilities. : en es
  • DE594431C - Method and device for fusing the bell neck of the centerless electric dwarf incandescent lamp with the vent tube : de en
  • DE594533C - Motor vehicle train used to move railroad cars on roads : de en
  • DE594257C - Process for the production of heat-insulating and soundproof building materials : de en
  • US1950482A - Reflex optical lever : en
  • US1951284A - Heel protecting foot rest : en
  • USRE19113E - Windshield cleaner : en
  • ES2441U - A defense, shin guard or leg bra device, for use in football or similar exercises (Machine-translation by Google Translate, not legally binding) : en es
  • GB407289A - Improvements in and relating to the balancing of rotary bodies : en
  • ES133273A1 - Improvements in the mouth or blower of molds to make bottles. : en es
  • FI15748A - Flame control device for pancakes y.m. for frying : en fi
  • ES133146A2 - EXTENSION OF THE PROCEDURE OF SAID PATENT AND ITS APPLICATION TO OLIVE OILS AND OTHER OIL SEEDS : en es
  • DE594352C - Grinding machine : de en
  • ES133220A1 - A fastening device for wheels of mine saloons, wagons or other, mounted crazy on their axles. : en es
  • AU1269833A - Hose reel : en
  • CA340093A - Cableless elevator : en fr
  • CH167809A - Process for the preparation of a dye. : de en
  • CH167969A - Method for obtaining deferred viewing of an image, and installation for implementing this method. : en fr
  • CH167979A - Ship unloader. : de en
  • DE594496C - Magnetic drive device, in particular for optical display devices : de en
  • DK48496C - Traffic column. : da en
  • FR761321A - Wrist watch : en fr
  • FR761332A - Improvements to buoyant clothing : en fr
  • GB407224A - Improvements in or relating to polyphase rectifier systems : en
  • FR761120A - Improvements to printing machines : en fr
  • ES2402U - Labels of letters and figures changeable. (Machine-translation by Google Translate, not legally binding) : en es
  • CA340001A - Brake : en fr
  • AU1255933A - Improvements in or relating to miniature vehicles for use in race games : en
  • FR761182A - : fr
  • FR761346A - Method and device for clarifying waste water from factories and the like : en fr
  • CA339993A - Ophthalmic mounting : en fr
  • CH167945A - Electric discharge device. : de en
  • DE594176C - Attachment vessel for thinning and steaming food : de en
  • DE594293C - Clamp for attaching loose tires to the wooden rims of wagon wheels : de en
  • GB407242A - Improvements in and relating to cane mills : en
  • ES133411A1 - Procedure for hermetic sealing of containers made of paper, cardboard or similar. : en es
  • FR761274A - soot eliminator for chimneys : en fr
  • CH167747A - Centrifugal machine for the production of tubular bodies from concrete, cement and other hardening masses. : de en
  • DE594415C - Evaporator for liquid fuels with preheater : de en
  • FR761229A - : fr
  • US1950595A - Gasoline gauge : en
  • US1950724A - Oil excluding ring : en
  • USD91739S - Design for a garment button : en
  • DE554066C - Automobile body : de en
  • CH167732A - Reinforced narrow wood window. : de en
  • CH167908A - The outside of a container, in particular a radiator to be connected to a transformer container. : de en
  • US1950847A - Check valve : en
  • US1950916A - Pneumatic mounting for excavating machines : en
  • US1951228A - Combination bolt and clinch pin : en
  • US1951248A - Fastening tool handle : en
  • DE594355C - Trigger device for aircraft firearms : de en
  • ES133195A1 - Toy cinematographic apparatus. : en es
  • US1950730A - Window screen : en
  • US1951178A - Sheet piler : en
  • CA340073A - Ester manufacture : en fr
  • US1951234A - Art of manufacturing solid balls : en
  • USPP89P - Pendulous juniperus scofulorum : en
  • CA339961A - Water closet ventilating apparatus : en fr
  • CH167757A - Window cleaning device. : de en
  • US1950552A - Relay cover : en
  • US1951011A - Paper bag : en
  • US1951092A - Furnace charging apparatus : en
  • US1951243A - Circuit breaker releasing mechanism : en
  • CA340023A - Fluid pressure brake : en fr
  • CH167926A - Multi-motor drive for work machines with hydraulic synchronization protection. : de en
  • CA339986A - Photographic emulsion : en fr
  • CH167907A - Artificial ice rink. : de en
  • CH167970A - Electromagnetic horn, especially for vehicles. : de en
  • DE594188C - Arrangement of the tilting bearing for the ventilation wing of windows : de en
  • DE594318C - Television receiving device with point-by-point image generation : de en
  • DE594475C - Hanging dryer : de en
  • ES2119U - A new fountain pen (Machine-translation by Google Translate, not legally binding) : en es
  • US1950932A - Slag granulation : en
  • US1951266A - Safe guard : en
  • CA339954A - Gas burner unit : en fr
  • CA339969A - Advertising sign : en fr
  • CA340021A - Telegraph and telephone system : en fr
  • US1950461A - High tension distributor for the ignition systems of internal combustion engines : en
  • AU1168733A - Press ofthe worm screw type : en
  • CH167751A - Operating mechanism, especially for window frames. : en fr
  • US1951273A - Dishwashing machine : en
  • US1950711A - Cuff link : en
  • CA340011A - Gaseous discharge lamp : en fr
  • CA340043A - Composition producing method : en fr
  • US1950722A - Automatic engine starter : en
  • US1951283A - Butterfly valve : en
  • AU1123233A - Improvements in or relating toa method of dispersing solids : en
  • DE594140C - Pliers for free-hand stamping of ticket booklets, control cards, etc. like : de en
  • DE594527C - Internal combustion engine with a pressurized coolant circuit : de en
  • ES133407A1 - A procedure for obtaining copies by reflectography. : en es
  • CH167929A - Electric current interruption device. : en fr
  • CA340094A - Electrolytic apparatus : en fr
  • CH167794A - Device for grinding coffee or the like. : de en
  • CH167925A - Method and device for connecting synchronous machine blocks in parallel. : de en
  • US1950398A - Cloth finishing : en
  • US1950556A - Electric switch construction : en
  • CH167769A - Securing for bottle necks. : de en
  • CH167791A - Closing eyelet for corset clasps. : de en
  • US1950578A - Fabric stretching machine : en
  • US1950660A - Focusing device for cameras : en
  • CH167840A - Support frame made of two sheet metal pieces for system parts of electricity meters. : de en
  • US1950905A - Refrigerating unit : en
  • CH167994A - Safety device on aerial cableways with a trolley interception device that acts on their suspension cable in the event of a cable break. : de en
  • US1951310A - Fuse integrity indicator : en
  • US1950462A - Scale : en
  • DE594349C - Emergency and auxiliary rudder equipment for ships : de en
  • FR761338A - Further development of multi-piece pocket knives : en fr
  • CH167971A - Advertisement camera. : de en
  • CA339971A - Bed spring reinforcement : en fr
  • ES133347A1 - A method of preparing an insecticide product for the protection of plants. : en es
  • CA339929A - Film production : en fr
  • US1950619A - Extensible chair : en
  • US1951184A - Art of separating mixed gases : en
  • CH167752A - Process for the manufacture of glass products and device for its implementation. : en fr
  • DE594488C - Track bedding machine : de en
  • US1950500A - Radiator fin : en
  • US1950968A - Lather producing device : en
  • CH167736A - Double flap weir. : de en
  • CH167885A - Safety valve. : de en
  • US1950857A - Mechanical movement transmitting apparatus : en
  • US1951154A - Curling rod for permanent waving : en
  • US1951329A - Distributor bar for typographical machines : en
  • US1950828A - Induced draft unit for spray booths : en
  • US1951165A - Boiler : en
  • US1950534A - Machine for use in the manufacture of stitch-down shoes : en
  • US1951019A - Bottle wrapper : en
  • US1950797A - Automobile crank-nonkicking : en
  • US1950816A - Display container : en
  • DE594226C - Power cable with rope-shaped conductor sealed against the water : de en
  • ES133225A2 - REGULATION TRANSFORMER FOR STEPLESS VOLTAGE REGULATION : en es
  • CA339955A - Paper for correspondence : en fr
  • CH167930A - Thermal trigger device. : en fr
  • CH167725A - Machine for making pipe hourdis for blankets : de en
  • CH167924A - Arrangement for the supply and regenerative braking of DC machines by means of grid-controlled discharge vessels. : de en
  • US1950752A - Oscillating radioreceiver : en
  • US1951170A - Mechanical power hammer : en
  • US1951200A - Car heater : en
  • ES2412U - Devices to attach the handles to the brushes (Machine-translation by Google Translate, not legally binding) : en es
  • FR761371A - Universal joint : en fr
  • ES2395U - Device for connecting in a detachable way chains of adornment or wristwatches for watch, especially mesh chains, with attached supplementary organs or inserts in it. (Machine-translation by Google Translate, not legally binding) : en es
  • DE594252C - Screw cap for liquid containers, especially of motor vehicles : de en
  • FR761106A - Lock for piston ring : en fr
  • GB407147A - Improvements in oil heating stoves or radiators : en
  • FR761361A - Automatic stop device for adjusting the inclination of the backrest of day beds, patient beds, or the like : en fr
  • GB407181A - Improved manufacture of high molecular mercaptans : en
  • FR761357A - : fr
  • GB407135A - Improvements in rotary engines : en
  • DE594483C - Heat exchangers, in particular feed water preheaters : de en
  • US1950628A - Windshield operating mechanism : en
  • US1950689A - Method of and apparatus for electropickling metal : en
  • US1950876A - Thiazoline dye and method of preparing it : en
  • DK48488C - Electromagnetically operated Valve. : da en
  • US1950784A - Roll-about foldable bed : en
  • ES133301A1 - A process for the manufacture of knitted or knitted velvet fabrics for tufts or slits for slippers, espadrilles and other similar footwear. : en es
  • FR761239A - Addition of object trolleys to children's mobile beds : en fr
  • DE594273C - Device for filling the feeder from standing lead presses : de en
  • DE594160C - Filling head for gas generator : de en
  • DE594241C - Flat slide control for internal combustion engines : de en
  • CH167989A - Tire rim. : en it
  • FR761113A - Iron alloy for the manufacture of stainless articles that resist acids and high heat : en fr
  • US1951267A - Trombone : en
  • DE594379C - Water pressure pulsation device, especially for massage purposes : de en
  • ES133085A1 - An automatic protective device for level crossings. : en es
  • GB407325A - Improved marine screw propeller : en
  • FR761232A - Safety cap : en fr
  • FI15744A - Sur tandpasta : en fi
  • DE594285C - Device for ambulance transport : de en
  • IE13206L - Wool cleaning : en
  • ES2439U - Elastic plug for water conduction applicable to all kinds of refrigerators. (Machine-translation by Google Translate, not legally binding) : en es
  • US1951262A - Fuel-mixing device : en
  • ES133203A3 - An automatic billiard meter-meter. : en es
  • ES133308A1 - A machine to configure molds to obtain filleted castings. : en es
  • FR761259A - Improvements relating to processes and apparatus intended for welding and similar operations : en fr
  • GB407082A - Improvements in apparatus for grinding ore and the like : en
  • GB407310A - Improvements in thermostatic apparatus : en
  • ES133328A1 - A method for the manufacture of articles of rubber or similar material. : en es
  • ES133295A3 - Vulcanizing apparatus. : en es
  • FR761377A - Centrifugal pump impeller : en fr
  • GB407170A - Machine for distributing or spreading granular or pulverised matter : en
  • US1950838A - Decorating fabrics : en
  • USD91727S - Design for a shoe : en
  • CH167815A - Method for adjusting the paper tension in paper or board machines with electric multi-motor drive. : de en
  • CH167987A - Wagon wheel, in particular for motor vehicles. : de en
  • DE594050C - Procedure for starting synchronous three-phase double field motors : de en
  • GB407091A - Improvements relating to fluid pressure braking apparatus : en
  • DE594515C - Gravity hot water heating system : de en
  • ES133250A1 - Procedure for manufacturing a new device for lifting mechanical traction vehicles. : en es
  • FI15760A - Sätt att framställa fastsittande, porfria, hamringsbara nickelskikt på järn oc stål : en fi
  • ES2085Y - Device adaptable to ordinary mass refiners to transform them into mechanical ones. : en es
  • ES133229A3 - A process for the manufacture of a transparent mass, usable to preserve, by coating, objects of all kinds. : en es
  • FI15787A - A method and apparatus for saccharifying cellulose and the like with dilute acids under pressure : en fi
  • GB407225A - A process for the production of potassium oxalate : en
  • US1950748A - Truss type track link : en
  • GB407086A - Improvements in memorandum appliances for recording messages and the like : en
  • US1950382A - Dispenser : en
  • DE594485C - Die waste funnel for die setting and line casting machines with rotating guide channels : de en
  • FI15761A - The scope of this Regulation does not exceed the requirements of this Regulation : en fi
  • GB407296A - Device for catching the liquid flowing out of the uterus : en
  • ES133155A1 - A hydraulic procedure to drive double effect pumps in deep wells. : en es
  • ES132654A1 - New manufacturing system of reproductions in wax of molars by means of appropriate molds. : en es
  • FR761312A - Process for the preparation of coffee infusion from green coffee beans : en fr
  • FR761194A - Process for the production of pig iron from scrap steel : en fr
  • FR761177A - Process for the preparation of molding powders from methyl aldehyde and from carbamide and derivatives, and powders thus obtained : en fr
  • GB407695A - Improvements in means for preventing unauthorized operation of brake levers on motorvehicles : en
  • DE594467C - Current and voltage converter arrangement for multi-phase systems : de en
  • FR761252A - Process for the preparation of lubricating oils and improvers for these oils : en fr
  • US1950435A - Catalytic process for preparing halogen butadienes : en
  • US1950973A - Hack saw : en
  • US1950706A - Copyholder : en
  • US1950853A - Suction box for the manufacture of paper and similar products : en
  • US1950778A - Grave vault and method of constructing the same : en
  • US1950548A - Illuminated sign : en
  • US1950686A - Hood catch : en
  • US1950848A - Valve : en
  • USD91724S - Design for a shoe : en
  • CA339960A - Comb cleaner : en fr
  • DE594385C - Push rod lock for mowing machines : de en
  • US1950943A - Transferring and stacking mechanism : en
  • GB407284A - Improvements in and relating to bearings for measuring instruments and the like : en
  • CA340101A - Musical instrument : en fr
  • CH167722A - Device for making earth pots. : de en
  • GB407090A - Improvements in or relating to washing boilers, set pans, coppers and the like : en
  • GB407163A - Improvements in or relating to garden syringes and the like : en
  • CA340107A - Ironing board : en fr
  • GB407202A - A method of making articles of apparel to the individual measure : en
  • GB407675A - Improvements in and relating to air cooling means for the cylinders of internal combustion engines : en
  • US1951014A - Automatic slack adjuster : en
  • AU1169233A - Improvements in or relating to television and similar facsimile systems : en
  • FR761436A - : fr
  • ES2065Y - Own mechanical-automatic device for relaxation and recreation. : en es
  • ES133166A1 - A camera installation for the use of ethylene gas as a ripener for fruits and vegetables. : en es
  • FR761318A - Improvements made to cutting devices, especially safety razors : en fr
  • US1951229A - Ejector for power presses : en
  • US1950842A - Automatic shuttle changing loom : en
  • US1951147A - Steering gear for motor vehicles : en
  • USD91717S - Design for a merchandise display : en
  • ES133368A1 - Fixed contact device, for electric torch. : en es
  • FR761236A - Red rear light flashlight, for bicycle : en fr
  • US1950549A - Manufacturing hardened articles : en
  • US1951108A - Centrifugal amalgamator : en
  • US1951110A - Blade holder : en
  • DE594108C - Automatic fire protection device for cinematographs : de en
  • US1950852A - Dust seal : en
  • FR761241A - Elastic closure tube : en fr
  • USD91738S - Design for a table : en
  • US1950717A - Multiple pole line connecter : en
  • ES1877Y - Coffee maker with ascending water circulation. : en es
  • ES133358A1 - A method for the service of rotary piston combustion engines with a sickle working chamber and a rotary piston combustion engine for carrying out this procedure. : en es
  • GB407953A - Improvements relating to cases or cabinets for piles of paper or other thin sheets : en
  • DE594040C - Circuit arrangement for telephone systems with call seekers : de en
  • DE594228C - Device for protecting busbars : de en
  • DE594341C - Process for sterilizing canned jars : de en
  • ES133327A1 - Improvements in cement kilns or similar materials. : en es
  • GB407694A - Pre-combustion chamber diesel engine : en
  • FR761159A - Cold forging machine : en fr
  • GB407062A - Improvements in or relating to means and methods for washing clothes : en
  • US1950620A - Process for manufacturing carbureted water gas : en
  • US1950643A - Wrapped ice cream portion : en
  • US1950981A - Teeatment and purification of certain gases : en
  • US1951237A - Dishwashing device : en
  • ES133184A1 - A process for the manufacture of a fabric resistant to fire and acids contained in the dyes. : en es
  • FR761329A - Low temperature electric heater : en fr
  • FR761152A - Improvements in the manufacture of chicory : en fr
  • FR761365A - Rail support and fixing device : en fr
  • GB407178A - Improvements in continuous fuel distillation apparatus : en
  • DE594290C - Metal accordion key : de en
  • DE594508C - Woven cloth : de en
  • USD91699S - Design for a cage : en
  • FR761372A - New acid dyes of the triphenylmethane series and their preparation process : en fr
  • GB407121A - Improvements in silos : en
  • GB407378A - Improvements in or relating to building constructions : en
  • DE594500C - Bell knife for leather sharpening machines : de en
  • GB407079A - Frequency control of a valve oscillator : en
  • GB407691A - Improvements in or relating to the preservation of wood, furs. and the like : en
  • FR761304A - Mobile air barrier : en fr
  • US1950631A - Brake and clutch pedal pad : en
  • GB407208A - Improvements in or relating to the coating of aluminium or aluminium alloys : en
  • GB407705A - Improvements in or relating to mountings for reducing vibration of rotating bodies : en
  • FR761215A - Improvements in the transmission of direct current pulses in telephone, telegraph, remote control or similar systems : en fr
  • CH167827A - Reservoir pen holder. : en fr
  • CH167798A - Method and electrode for carrying out power-consuming electrochemical processes. : de en
  • US1950738A - Method of applying adhesive tape to spools : en
  • CH167824A - Antihalation layer for photographic use which is soluble in alkaline photographic processing baths. : de en
  • CA340037A - Centrifugal separator machine : en fr
  • CA340102A - Reclining chair : en fr
  • US1951143A - Gaseous electric discharge device : en
  • US1951155A - Gaseous electric discharge device : en
  • USD91741S - Transparent door : en
  • US1950442A - Preparation of polymers : en
  • US1950646A - Insulator : en
  • US1951321A - Blade retention device : en
  • CH168010A - Process for the preparation of 1-phenyl-3-methyl-4-sec-butylpyrazolone. : de en
  • CH168013A - Process for the preparation of 1-phenyl-3-methyl-4-isobutylpyrazolone. : de en
  • DE594014C - Scales with price and weight information : de en
  • ES133341A1 - IMPROVEMENTS IN OR IN RELATION TO COMPOSITE AIRCRAFT : en es
  • US1950954A - Cementing agent for cellulosic plastics : en
  • US1950380A - Lighting fixture : en
  • US1950456A - Electrical apparatus : en
  • US1950425A - Combined truck and mound covering device : en
  • US1950683A - Lighter for gas burners : en
  • US1950488A - Radiator : en
  • US1950843A - Thermostatically controlled latch : en
  • US1951020A - Antivibration support : en
  • US1951028A - Electric range time switch : en
  • US1951173A - Compressor and pump : en
  • US1950964A - Frictional wire connecter : en
  • FR761384A - Regulation device for an electric generator driven by a heat engine : en fr
  • DK48500C - Phosphoric acid-containing fertilizer of the superphosphate type, double phosphate type or similar and the method of its manufacture and the apparatus for carrying out the method. : da en
  • FR761247A - Camera : en fr
  • US1950460A - Process for the conversion of oxygen containing carbon substances : en
  • USD91708S - Design fob athletic trousers : en
  • ES2083Y - Roasting station for roasting and selling chestnuts, coffee, chickpeas, peanuts, etc. : en es
  • DE570959C - Device for moving liquid metal : de en
  • FI15741A - For the purposes of this Regulation : en fi
  • US1950879A - Preparation of calcium cyanide : en
  • US1951231A - Movable top for ranges : en
  • US1950761A - Typewriting machine : en
  • USD91723S - Design for a shoe : en
  • GB407214A - Improvements in or relating to suspending devices for curtains and the like : en
  • DE594164C - High pressure socket connection with gland seal : de en
  • DE594253C - License plate for motor vehicles : de en
  • NL55528B - : en
  • US1950863A - Individual envelope for photographic films : en
  • USD91740S - Design fob a bottle : en
  • US1950468A - Alkyd resinous composition : en
  • US1950554A - Fastening inserting machine : en
  • US1950410A - Modulation system : en
  • US1950937A - Life preserver jacket : en
  • US1950983A - Strainer : en
  • US1951103A - Machine for the production of knitted fabrics : en
  • US1950934A - Pail : en
  • US1950966A - Table leg support : en
  • USRE19107E - System and method of : en
  • DE594112C - Circuit arrangement for the optional control of the transmitting and receiving devices of conveyor systems : de en
  • ES2440U - License plate for cars. (Machine-translation by Google Translate, not legally binding) : en es
  • US1951107A - Oil can : en
  • US1950553A - Cream extractor : en
  • US1950593A - Knockdown portable bench : en
  • DE594146C - Hand embroidery frame attachment : de en
  • DE594205C - Hand tool for forming nozzles on glass bottles : de en
  • ES133255A3 - A direct current machine. : en es
  • FR761157A - Coin sorter and dispenser : en fr
  • ES133257A1 - A home for oil with steam ejector burner. : en es
  • US1950895A - Clothesline clamp : en
  • US1951193A - Inflated toy rolling pin : en
  • US1951257A - Portable electric chocolate dipping pan : en
  • US1951098A - Belt loop : en
  • DE594408C - Process for refining platinum : de en
  • DK48505C - Combined Mechanical and Hydraulic Gearbox for Motor Vehicles. : da en
  • US1950871A - Method of making composite metal articles : en
  • US1951089A - Driving mechanism for motor vehicles : en
  • US1950377A - Apparatus for handling packed metal stock : en
  • US1951131A - Method for wrapping confections : en
  • CH167920A - Device for extinguishing the arc at the point of interruption of electrical switches, in particular direct current switches. : de en
  • US1950960A - Flexible writing implement : en
  • DE594247C - Dividing device for gear grinding and cutting machines : de en
  • DE594250C - Universal joint, especially for motor vehicles : de en
  • FR761281A - Movable bolt for firearms : en fr
  • US1951002A - Steam turbine, spur-gear power-box for stoker drives : en
  • US1951258A - Trailer : en
  • DK48502C - Coupling device for automatic telephone systems with common wires. : da en
  • FR761217A - Product replacing leather, and its manufacturing process : en fr
  • CH167837A - Express car for light items. : de en
  • FR761190A - Device for the articulated connection of a brush to a handle : en fr
  • FR761285A - Automatic loading and unloading device for bottle rinsing machines : en fr
  • US1950897A - Boiler alarm gauge : en
  • US1951026A - Polyphase transmission : en
  • US1951315A - Locking attachment for cell door operating mechanisms : en
  • US1950815A - Means for truing brakes : en
  • US1950826A - Quick detachable electrical connection : en
  • US1951117A - Gaseous electric discharge device : en
  • ES133384A1 - Improvements in the refining or purification of benzene, gasoline and other similar light hydrocarbons. : en es
  • ES133277A1 - A process for the manufacture of or containing rubber articles, with small holes therethrough. : en es
  • ES132626A1 - Improvements in the manufacture of metal tubes for the installation of electrical conductors. : en es
  • FR761166A - Piezoelectric quartz and similar improvements : en fr
  • GB407281A - A carbon bow current collector for electric vehicles : en
  • CA339996A - Rail bond : en fr
  • ES133171A3 - Improvements in the construction of tables or counters for exhibition and sale. : en es
  • US1951299A - Multiple film printing machine : en
  • US1950517A - Gyroscopic base line : en
  • US1951112A - Gaseous electric discharge device : en
  • AU1177733A - Improvements in and relating tothe form of floating vessels : en
  • US1950723A - Lock : en
  • US1950924A - Method and apparatus for screening fibers in aqueous suspension : en
  • US1950545A - Combined ventilator and awning : en
  • US1951172A - Vehicle signal : en
  • USD91704S - Design for a bottle or similar : en
  • ES2056Y - Counter device for liquor glasses poured from a bottle. : en es
  • CA339936A - Carboxylic acid : en fr
  • DE594275C - Process for the production of glycine from its esters and their salts by saponification : de en
  • US1950926A - Nasal inhaler : en
  • CH167999A - Device for transmitting the position of a line signal to a moving train. : de en
  • USD91700S - Design for a calculating chart : en
  • US1950472A - Lawn mower or trimmer : en
  • US1951036A - Tuning indicator for radioreceivers : en
  • US1951285A - Beverage cooling apparatus : en
  • US1950477A - Holding and retarding mechanism : en
  • US1950719A - Highway guard : en
  • US1951320A - Variable pitch propeller : en
  • CH167883A - Device for the production of sealing cords from lead. : de en
  • DE594129C - Self-inking stamping machine for drawing laundry u. like : de en
  • FR761300A - Helmet for hair drying : en fr
  • FR761339A - Combustion space for internal combustion engines : en fr
  • GB407274A - Improved device for demonstrating the fundamental arithmetical operations : en
  • DE594259C - Manufacture of anhydrous tin tetrachloride : de en
  • DE594484C - Device for fastening running parts on their shaft, especially in steam and gas turbines : de en
  • US1950622A - Lighting fixture : en
  • US1951099A - Sterilizer : en
  • US1950998A - Wheel coupling device : en
  • US1951054A - Projection lantern : en
  • US1950649A - Colorgram and method of making and using the same : en
  • US1950656A - Freewheeling device : en
  • US1951125A - Solder flux applying device : en
  • US1951201A - Contact resurfacing device : en
  • DE594109C - Mobile cinema camera tripod : de en
  • DE594122C - Diagonal strip cutting machine : de en
  • FR761172A - Process for making materials self-disinfecting : en fr
  • US1950596A - Sparking plug for internal combustion engines : en
  • US1950919A - Method of making toy furniture and the like : en
  • US1951006A - Luminesckent tube : en
  • US1950617A - Speedometer-odometer spring aligner : en
  • CH167936A - Arrangement for the conversion of alternating current in such a different frequency by controlled electrical discharge vessels. : de en
  • CA340068A - Illuminated radio indicator : en fr
  • DE594010C - Circular knitted goods and processes and machine for their manufacture : de en
  • ES132996A2 - Procedure of making sepiolite in such a way that it acquires great bleaching power. : en es
  • ES133177A3 - A procedure for the preparation of asymmetric arsenobenzole combinations. : en es
  • ES133237A1 - IMPROVEMENTS IN THE TRANSMISSION OF ELECTRIC WAVES WITH MULTIPLE MODULATION AND RELATIVE DEVICES : en es
  • FI15773A - Container slip for sliping and raking for the same purpose as for sliding : en fi
  • FR761310A - Shirt or shirt-like garment with hidden fastening or buttoning device and suspenders worn under the shirt : en fr
  • CA340089A - Water treating apparatus : en fr
  • CH167901A - Tube steam generator with device for desludging the working medium. : de en
  • CH168012A - Process for the preparation of 1-phenyl-3-methyl-4-benzylpyrazolone. : de en
  • CA340110A - Electric current rectifier : en fr
  • US1950650A - Concrete form apparatus : en
  • CH167902A - Method for accelerated temperature equalization in a heated liquid which is under its vapor pressure. : de en
  • CA340097A - Press feeding mechanism : en fr
  • CH167764A - Office furniture. : de en
  • AU1653834A - Improvements in or relating to press tools for scoring sheetmetal : en
  • ES1865Y - Bucket for running water toilets. : en es
  • GB407166A - Ultra-short wave high frequency amplifier : en
  • CH168031A - Process for the preparation of a new salt of a polyoxymonocarboxylic acid. : de en
  • US1950531A - Circuit for X-ray multiple tube stands : en
  • US1951016A - Fur scraping and fleshing apparatus : en
  • DE594523C - Reading and computing device : de en
  • US1950864A - Die-casting machine : en
  • US1951142A - Apparatus for and method of manufacturing electric discharge devices : en
  • DE594184C - Commuting : de en
  • FR761353A - Process for the manufacture of hydraulic cements and for their use, or that of similar cements, in the construction of roads, paths, etc. : en fr
  • FR761375A - Engine cylinder : en fr
  • GB407142A - Chequered board for games using movable pieces : en
  • US1950420A - Acoustical building construction : en
  • US1950537A - Method for the differential flotation of sulphureted copper and zinc ores : en
  • US1950601A - Film winding mechanism : en
  • US1951252A - Beer pipe circulation cleaner : en
  • DE594376C - Electrically heated cooking device consisting of a stand and an attachable hotplate with temperature controller : de en
  • US1950408A - Shieldeb spark plug : en
  • US1951209A - Electrical switching device : en
  • ES133193A3 - A lifting device. : en es
  • FI15757A - The provisions of this Regulation shall apply to the application of this Regulation : en fi
  • GB407930A - Improvements in or relating to crossings and points for rail-guided traction systems : en
  • US1950523A - Roller side bearing : en
  • FR761150A - Ring chain device, with interlacing particularly applicable to the constitution of bracelets, rings and other similar articles of adornment : en fr
  • FR761280A - Cooking fat and method of making it : en fr
  • GB407192A - Photographic automatic shutter : en
  • FR761277A - Air motor : en fr
  • CH168015A - Process for the preparation of an azo dye. : de en
  • US1951292A - Assembled pile : en
  • USD91735S - Design fob a dress : en
  • DE594195C - Device for fine ventilation of Gaerbottichen : de en
  • US1950893A - Sectional cable clamp : en
  • US1950766A - Box or container partition-crate for bottles and other objects : en
  • DE594374C - Voltage regulating transformer : de en
  • DE594501C - Viscose boiler system : de en
  • US1950972A - Detachable sporting-shoe mud cleat : en
  • CA339965A - Cement block making machine : en fr
  • CH167871A - Device for stirring metal powders, flake paints and the like into a binding agent. : de en
  • CH167955A - Process for the preparation of a preparation from castor oil. : de en
  • DE594340C - Rotating shears for several rolling veins in motion : de en
  • US1951280A - Cyclic oxidation of alcohols to form aliphatic acids : en
  • CH167858A - A method of manufacturing finned pipes and finned pipes obtained by this method. : en fr
  • US1950936A - Grinding machine : en
  • US1951105A - Rotary disk edging machine : en
  • CA340057A - Nut guide for tapping machines : en fr
  • USD91726S - Design fob a shoe : en
  • CA340005A - Concrete pile : en fr
  • CH167912A - Device for the transmission and regulation of the alternating current energy supplied by a control center, which is fed to line sections which are simultaneously fed by other control centers. : de en
  • CH167974A - Holder to be worn on a belt for containers to be taken with you when bathing, such as purses, cigarette cases, etc. : de en
  • CH168001A - Electric drive device with battery. : de en
  • CA340040A - Crinkle material manufacture : en fr
  • CA340090A - Gas supplying apparatus : en fr
  • US1951242A - Display fixture for stores : en
  • AU1165533A - An improved drencher : en
  • FR761101A - Receiver of overtaking warning signals for automobiles : en fr
  • IS77B6 - Utensils for heating drinking water : en is
  • US1950437A - Catalytic process for polymerizing chloro-butadiene : en
  • CA339958A - Sliding fastener fixing device : en fr
  • CA340054A - Separable fastener : en fr
  • US1950698A - Mechanical toy : en
  • US1950947A - Pipe fitting member : en
  • US1951135A - Butt plate for gunstocks : en
  • CA340069A - Detector : en fr
  • CH167919A - Loudspeaker switch, in particular for distribution networks. : de en
  • DE594258C - Cleaning device on sieves for vacuum drying drums : de en
  • FR761386A - Improvements to hangers for lower garments such as pants : en fr
  • US1950740A - Cigarette carton : en
  • US1950798A - Excitation of loud speaker motors : en
  • US1951279A - Pump attachment for internal combustion motors : en
  • US1951224A - Master cylinder for brakes : en
  • US1951302A - Levo-compounds of the 1-hydroxyphenyl-2-aminopropan-1-ol series and process of preparing them : en
  • NL32289C - : en
  • US1950962A - Electric booster mechanism : en
  • US1950600A - Hood latch : en
  • ES133418A1 - Improvements in knitting machines. : en es
  • GB407099A - Improvements in lubricators for colliery tubs and the like : en
  • GB407123A - Improved means for preventing damage to water and like pipes by frost : en
  • GB407179A - Improvements in printing-face-forming matrices : en
  • US1950407A - Cylinder grinder : en
  • US1950940A - Awning rod holder : en
  • US1951194A - Automatic broaching machine : en
  • USD91746S - Design for a sun hat : en
  • DE592158C - Junction for rod net roofs from single rods only reaching from junction to junction : de en
  • US1950681A - Three-wing panicfroof revolving door : en
  • US1951205A - Decolorized refined petroleum product and method of producing same and decolorizing agent therefor : en
  • US1951294A - Gaseous electric discharge device : en
  • CA339930A - Camera : en fr
  • US1950903A - Controlled reduction of photographic images : en
  • US1950427A - Control system for the transmission of angular motion : en
  • CH167922A - Compressed gas switch with multiple interruption. : de en
  • US1951272A - Homopolar pipe welding generator : en
  • ES132581A1 - A ferris wheel for water elevation. : en es
  • US1951263A - Automatic toy water tower : en
  • CA340086A - Shoe heel : en fr
  • DE594254C - Double valve for motor vehicle and bicycle hoses : de en
  • US1950781A - Portable refrigeration device : en
  • US1951078A - Piercing point : en
  • US1951214A - Tinted toilet mirror : en
  • CA339953A - Retort : en fr
  • US1950558A - Process for the production of gas, oil, and other products : en
  • US1950912A - Gauge : en
  • AU1322733A - Improvements in or relating tothe production of fabricated structures : en
  • DE594363C - Process for the production of alkali azides, especially sodium azide : de en
  • US1950414A - Lock for separable fasteners : en
  • US1951012A - Starting device for sedimentation apparatus : en
  • US1951208A - Distillate petroleum product and method of treating the same : en
  • DE594392C - Sliding shoe : de en
  • ES133288A3 - An improvement in the layout of the drawing train rollers on continuous spinning machines. : en es
  • FR761206A - Remotely controlled electrically controlled chronometer-type tachometer or speedometer : en fr
  • FR761333A - Cinematographic projection method and apparatus : en fr
  • US1950538A - Device for handling rolls of paper : en
  • US1950471A - Manufacture of crepe yarns : en
  • US1950492A - Take in and pay out reel : en
  • DE594387C - Arrangement to facilitate the running-in of pistons in cylinders for internal combustion engines : de en
  • ES133379A3 - A new procedure for the manufacture of braids or ribbons of thread or cotton for footwear, belts, hats and all kinds of braided articles and fabrics and similar purposes. : en es
  • GB407717A - An improved method of manufacturing vibration-damping, sounddeadening or shock-absorbing joints or supports : en
  • DE549461C - Device for collecting blood in a specific place on the human body : de en
  • DE594148C - Method and device for eliminating tension in finished wire ropes : de en
  • DE594306C - Mandrel for machining, especially turning hollow bodies : de en
  • FR761268A - New spring ring for keys and all other uses : en fr
  • GB407205A - Improvements in and relating to electric control switches : en
  • CA340081A - Chemical apparatus lining method : en fr
  • US1950505A - Jacket for liquid dispensing receptacles : en
  • US1950696A - Marine lamp : en
  • US1951134A - Telephone system : en
  • NL32345C - : en
  • US1950383A - Shaft and lever : en
  • US1950473A - Apparatus for producing films which, on being exhibited, show stereoscopic cinematographic pictures : en
  • US1951133A - Compositions of matter and process of preparing same : en
  • CA340016A - Slab floor or roof : en fr
  • GB407186A - Improvements in valve seat grinding tools : en
  • CA339934A - Carboxylic acid : en fr
  • US1950547A - Juice and pulp extractor : en
  • AU1396933A - Pneumatic tire and fabric therefor : en
  • DE594249C - Film projector with optical compensation for image migration : de en
  • DE578940C - Coke oven door : de en
  • CH167863A - Process for improving the strength properties of aluminum alloys containing manganese. : de en
  • DE594187C - Shoot bolt lock with oppositely moving locking bars : de en
  • US1950484A - Pipe wrapping tester : en
  • NL32343C - : en
  • US1950422A - Steel column and frame for floor slabs : en
  • US1951003A - Planter : en
  • ES133205A1 - PROCEDURE FOR DEVELOPING SILVER HALOGENIDE EMULSIONS : en es
  • US1950415A - Lock for separable fasteners : en
  • US1950737A - Mining machine : en
  • ES132529A1 - PROCEDURE TO MANUFACTURE PROFILED FORKS : en es
  • FR761161A - Graphic recorder of warning signals, usable in particular on road vehicles : en fr
  • US1951156A - Gaseous electric discharge device : en
  • US1950392A - Flow control fitting : en
  • US1950540A - Folding card table : en
  • US1951038A - Camera mechanism : en
  • US1950476A - Card perforating machine : en
  • US1950849A - Gas burning furnace : en
  • US1950868A - Centrifugal bowl : en
  • US1951033A - Switch and operating mechanism therefor : en
  • AU1284933A - Improvements in or relating tothe treatment of hyrdocarbon oils : en
  • CH168021A - Process for the production of a vat dye. : de en
  • US1950605A - Combustion apparatus : en
  • US1950406A - Method and apparatus for controlling electrical waves : en
  • US1950877A - Telephone system : en
  • US1950640A - Foot pedal jack : en
  • US1951312A - Locking device : en
  • US1950693A - Mechanical filter : en
  • US1950727A - Thermostatic valve structure : en
  • US1951004A - Apparatus for drying coating paper : en
  • FR761389A - Interchangeable shank system for picks and similar tools, and resulting new industrial products : en fr
  • DE594115C - Process for the purification of conventionally purified and cooled carbon distillation gases from naphthalene : de en
  • ES133179A2 - A NEW STRAIGHT WAY VALVE SYSTEM FOR GASES AND LIQUIDS OF ALL KINDS : en es
  • FR761200A - Improvements in automatic correction devices, mainly time per t. s. f. : en fr
  • CH167792A - Insole for footwear. : de en
  • CH167823A - Process for drying reproductions, for which fat or. Oil-based paints are used. : de en
  • US1950608A - Method of and means for increasing the electrical strength of cables : en
  • CA340072A - Band pass radio receiver : en fr
  • US1950663A - Manufacture of cellulose esters : en
  • NL32550C - : en
  • US1950452A - Aqueous dispersion of rubber and method of making same : en
  • US1950624A - Pumping device and method : en
  • US1950901A - Wire drawing mechanism : en
  • US1951093A - Countersinking machine : en
  • US1950621A - Resonant acoustical article of manufacture : en
  • US1951271A - Electric fuse holder : en
  • ES2397U - Apparatus for sale in bars and similar establishments of soft drinks of all kinds, with its half refrigerator. (Machine-translation by Google Translate, not legally binding) : en es
  • US1950587A - Brake operating means : en
  • US1950576A - Auxiliary lens : en
  • CH167967A - Installation in automatic telephone systems. : de en
  • CH167740A - Snow plow for pulling or pushing force. : de en
  • CH168027A - High pressure steam generation system. : de en
  • US1950790A - Gunsight reticule adjustment means : en
  • US1950988A - Process of and apparatus for applying a fibrous coating to a filament or wire : en
  • CH167819A - Device for spraying freshly printed sheets with liquid and then solidifying substances. : de en
  • DE594400C - Arrangement for frequency multiplication with the help of electron tubes : de en
  • CH167891A - Control device with rotary valve on reversible machines. : de en
  • CH167854A - Sintered hard metal alloy for tools, especially for sandblasting nozzles. : de en
  • DE594301C - Method and device for fastening radial rotor blades or guide blades, in particular for turbines : de en
  • CA340063A - Safety match container : en fr
  • DE594192C - Method for the fine ventilation of diaphragm Gaerbottichen : de en
  • FR761220A - Rubber vulcanization process : en fr
  • FR761354A - Improvements to jockstrap : en fr
  • DE594383C - Mast base : de en
  • AU1320033A - Improvements in folding boxes : en
  • DE594244C - Adjustable slide bearing : de en
  • ES2442U - Throwing dart for target shooting. (Machine-translation by Google Translate, not legally binding) : en es
  • GB407722A - Improvements in or relating to the manufacture of hydration products of olefines : en
  • AU1168933A - Improvements in or relating to superheterodyne modulated carrier wave receivers : en
  • AU1282733A - Variable speed power transmission mechanism : en
  • CA340025A - Electric switch : en fr
  • CA339927A - Composite glass : en fr
  • DE594220C - Carrying rope safety device for cable cars : de en
  • DE594269C - Traveling sieve with a sieve area formed from individual movable sieve strips : de en
  • ES133188A1 - Improvements introduced in the independent guide wheels for vehicles, especially for motor vehicles. : en es
  • ES133408A3 - Improvement in the manufacture of car tire covers. : en es
  • GB407339A - Improvements in brakes and retarding apparatus : en
  • CA340007A - Ingot for hollow steel bars : en fr
  • US1950894A - Coating composition : en
  • US1951007A - Evaporator for refrigerating systems : en
  • ES2406U - Closing device for container boxes for the transport of goods. (Machine-translation by Google Translate, not legally binding) : en es
  • GB407221A - Resilient chairs : en
  • DE594343C - Device for demonstrating objects of all kinds : de en
  • DE594168C - Process for the preparation of condensation products of the anthraquinone series : de en
  • DE594171C - Device for image decomposition and composition using an angle mirror : de en
  • DE594207C - Process for the preparation of a fixing salt for photographic use : de en
  • GB407103A - Improvements in machines for cleaning and polishing tin-plates and the like : en
  • GB407149A - Improvements in and relating to continuous current generators : en
  • CH167748A - Machine for mixing building materials, especially concrete. : de en
  • AU1160933A - Improved fastening means for horse and cattle rugs : en
  • US1950572A - Brake assembly : en
  • US1951274A - Carton : en
  • US1950810A - Constant speed mechanism : en
  • US1950950A - Servomotor : en
  • FI15731A - A set of distillate fly resins : en fi
  • US1950465A - Hinged receptacle : en
  • US1951050A - Dental plate brush : en
  • AU1364633A - Improved material for stringing tennis racquets and for like purposes and method of producing same : en
  • US1950486A - Panel board equipped for testing : en
  • ES132618A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • FR761167A - Use of hyperbolic paraboloid surfaces in the construction of airplanes, seaplanes, automobile bodies, motor boats, ships and submarines : en fr
  • CH167844A - Magnetic system for electromagnetic devices for converting electrical vibrations into mechanical ones or vice versa, provided with two or more pairs of pole pieces and with an armature placed in the air gaps formed between them. : de en
  • CH167966A - Selector box for wire radio networks and switching systems. : de en
  • DE594224C - Suspension for longitudinally movable contact wires : de en
  • ES133190A1 - Mechanical-electrical device for automatic sale. : en es
  • US1950386A - Sewing machine : en
  • CH167941A - Cutting nozzle for double bevel cuts. : de en
  • FR761291A - Device simultaneously indicating the nature, voltage and possibly the frequency or polarity of an electric line : en fr
  • FR761396A - Table cloth bottle holder : en fr
  • US1950802A - Garment or ironing press : en
  • US1950933A - Float for fishing tackle : en
  • US1950841A - Apparatus for disposing of sewage : en
  • US1951219A - Fruit juice extractor : en
  • FI15783A - Sätt att framställa porösa kroppar eller massor genom bränning av leror, lerhaltiga material och bergarter till inträdande expansion jämte för sättets utförande avsedda ugnsanordningar : en fi
  • ES2411U - Device for support of tubes and cables. (Machine-translation by Google Translate, not legally binding) : en es
  • CA339990A - Photographic anti-halation layer : en fr
  • CH167835A - Single-bellows gas meter with valve control. : de en
  • CA340074A - Organic fluid halogenation : en fr
  • GB407118A - Improvements in boxes for the storage and display of goods for sale : en
  • FR761260A - Method and apparatus for calcining limestone and recovering carbon dioxide : en fr
  • FR761302A - Photophonographic apparatus : en fr
  • US1950607A - Testing apparatus : en
  • US1950701A - Method of treating seeds with a : en
  • ES133258A1 - A procedure to obtain an impression of the functioning of the foot, which at the same time provides a template for the flat, curved and open or equine foot. : en es
  • ES2431U - Stockings, socks and similar elastic (Machine-translation by Google Translate, not legally binding) : en es
  • GB407210A - Improvements in or relating to apparatus for playing a game of skill : en
  • GB407293A - Improvements in or relating to electric cut outs of the fuse cartridge type : en
  • FI15763A - Fertilizers and equipment for the manufacture of cellulose products : en fi
  • GB407677A - Improvements in or relating to hydraulically operated brakes : en
  • CA340051A - Wire drawing apparatus : en fr
  • CH167728A - Wall made of panels. : de en
  • CH167759A - Tea strainer. : de en
  • US1950390A - Lubrication : en
  • US1950604A - Method of making dies : en
  • US1951216A - Cathode for electric discharge devices : en
  • GB407152A - Improvements relating to the lids or covers of saucepans and like cooking utensils : en
  • CA340042A - Power transmission : en fr
  • DE594362C - Hand washing machine with gear ratio on the washing machine cover : de en
  • US1950664A - Treatment of textile and other material : en
  • ES2435U - Sole for light footwear. (Machine-translation by Google Translate, not legally binding) : en es
  • FR761308A - Hernial bandage and corselet : en fr
  • FR761325A - Adjustable width harrows : en fr
  • GR4599B - HERMETIC, AUTOMATIC AND GROUP OCCUPATION SYSTEM OF SERIOUS SURGERY CONTAINERS. : el en
  • ES133167A1 - Precision device for measuring liquids. : en es
  • ES133264A1 - A procedure for obtaining an insulation board for buildings. : en es
  • US1950440A - Halogen-substituted chemical compounds and processes for preparing same : en
  • US1950388A - Softening lead bullion : en
  • US1950892A - Control device : en
  • US1951167A - Continuous process of wall board manufacture : en
  • DE594480C - Wood chips for fire lighter : de en
  • FR761211A - Improvements to spark plug electrodes : en fr
  • CH167964A - Prepayment device to distribute the balls of a game. : en fr
  • FR761373A - Process for obtaining flat articles with a crepe appearance : en fr
  • ES133154A1 - IMPROVEMENTS IN THE MANUFACTURING OF GLASS AND GLASSWARE AND WITH THOSE RELATED MANUFACTURING : en es
  • ES133375A3 - Procedure for the manufacture of tubes to sip ice cream and soft drinks. : en es
  • FI15735A - Cooling device for motor vehicles : en fi
  • FR761307A - Variable electric resistance device : en fr
  • DE594397C - Address printing machine with a turret-like print head with two printing pads and a device for automatic, step-by-step advancement of a list to be printed : de en
  • GB407713A - Process of and apparatus for the production of manure : en
  • US1951323A - Foot size measurer : en
  • US1950496A - Tabulating machine : en
  • ES2404U - A document driller for filing (Machine-translation by Google Translate, not legally binding) : en es
  • ES2419U - Cushion for seats and backrests of automobiles and for other analogous uses. (Machine-translation by Google Translate, not legally binding) : en es
  • US1950793A - Tubing catcher : en
  • DE594519C - Comb cutting machine : de en
  • ES132966A1 - Diathermy apparatus with series sparkmeter. : en es
  • ES133272A1 - IMPROVEMENTS IN THE MANUFACTURE OF AUTOMATIC FIREARMS : en es
  • DE594106C - Fluid coupling with container for receiving the working fluid that is temporarily not used : de en
  • DE594144C - Cam comb gears on sewing machines : de en
  • DE594474C - Portable hose cleaning device : de en
  • GB407673A - Improvements in the manufacture of films, sheets and the like containing cellulose derivatives : en
  • DE594462C - Verdol paper : de en
  • ES2437U - Car-chair for children. (Machine-translation by Google Translate, not legally binding) : en es
  • FR761282A - Defrosting process for finned pipes in refrigeration systems : en fr
  • US1950588A - Windshield wiper or the like : en
  • US1950749A - Self closing all metal faucet : en
  • CH167976A - Bag tongs. : de en
  • DE594394C - Process for the production of an alcoholic beverage : de en
  • AU1258333A - An improved process for deoxidising slag forthe manufacture of steel : en
  • CA339951A - Tire liner : en fr
  • CA340008A - Position signalling system : en fr
  • CH167906A - Process for utilizing and storing heat by means of a continuously operating absorption refrigeration machine and a device for carrying out this process. : de en
  • FR761309A - Method and apparatus for pulverizing coal : en fr
  • DE593006C - Apparatus for making bodies emitting electrons : de en
  • DE594268C - Process for the production of a lightweight concrete and a filler for this : de en
  • CA339942A - Flow machine throttling means : en fr
  • CA339978A - Knitting machine : en fr
  • ES133315A3 - Procedure to obtain printing effects on knitted fabric. : en es
  • US1950589A - Semitrailer : en
  • US1950760A - Condenser : en
  • US1950817A - Drain strainer : en
  • ES133239A1 - Procedure for obtaining in pure form the germinal substance of the mixtures resulting from the disin germination of the seeds of plants of the families of the cesalpiniáceas and of the mimosáceas, as well as of seeds of analogous classes. : en es
  • US1951158A - Golf bag : en
  • DE594127C - Process for the preparation of aminodiphenylamine compounds : de en
  • CH167850A - Electrically serviced clockwork movement. : en fr
  • CH167862A - Process for the production of a metal film strip carrier suitable for projection in incident light. : de en
  • ES2433U - Metal box to easily separate the cover of it. (Machine-translation by Google Translate, not legally binding) : en es
  • FR761344A - Spinning top : en fr
  • GB407688A - Improvements in vibration-damping, sound-deadening or shockabsorbing joints or supports : en
  • DE594454C - Cooler for bottled milk : de en
  • CH167864A - Plywood board. : de en
  • CH167942A - Ignition process for an oil burner, and top for the implementation of this process. : en fr
  • ES133189A1 - A procedure for the production of metallic rims for light vehicles. : en es
  • ES133397A1 - Dispenser for the supply of cleaning solutions. : en es
  • FR761158A - Electric hoist with locking safety brake and hand control : en fr
  • USD91720S - Design for an open cockpit pursuit : en
  • GB407369A - Improvements in or relating to electrical overload devices responsive after a time lag : en
  • US1950655A - Stock straightener : en
  • US1951181A - Method and apparatus for separating the individual strands of a rope : en
  • ES133182A3 - A procedure for the manufacture of imitation brushed fabrics. : en es
  • US1950413A - Cradle : en
  • US1950444A - Waterproofer and bond for concrete : en
  • DE594535C - Steering device for the caterpillar guide frame of caterpillar vehicles : de en
  • US1950666A - Control system for radio receiving sets : en
  • DE594442C - Container for holding flower bulbs : de en
  • US1951057A - Marking pen : en
  • US1951230A - Refrigerating apparatus : en
  • FI15730A - Filters for cleaning are removed : en fi
  • FR761249A - Tube testing machine : en fr
  • FR761201A - Liner for gas engine cylinder : en fr
  • GB407316A - Improvements in or relating to the pulverising of coal : en
  • FR761204A - Improvements made to gauges for liquids, especially those for large capacity tanks : en fr
  • CH167911A - Power connection terminal for collector brushes. : de en
  • US1950680A - Syringe : en
  • US1950913A - Sewing machine : en
  • FR761327A - Electronic tube receiver-amplifier : en fr
  • GB407271A - Improvements in shoe last : en
  • NL32200C - GLOW LIGHT REINFORCEMENT TUBE : en nl
  • US1950453A - Artificial dispersion of rubber : en
  • CA339943A - Cutting machine for seed potatoes : en fr
  • CH167841A - Clamp for laboratory use. : de en
  • GB407267A - Head rest for barbers' chairs : en
  • GB407368A - Improvements in remote control apparatus for power driven boats and the like : en
  • FR761235A - Method and device for the manufacture of pipes for masts, supports and the like : en fr
  • DE594150C - Process for the production of glazes on concrete objects : de en
  • DE594262C - Switchgear with magnetic spark extinction : de en
  • DE594111C - Method and device for connecting the overlapping ends of metal straps, especially for strapping packages : de en
  • GB407188A - Improvements in and relating to vacuum cleaning devices : en
  • US1950855A - Winding machine : en
  • DE594428C - Process for the production of cable connections on carbon brushes for electrical machines using a sleeve made of metal carbon : de en
  • DK48490C - Vacuum cleaner. : da en
  • FR761139A - Apparatus and devices for powering internal combustion engines : en fr
  • FR761334A - Improvements to roller bearings : en fr
  • CA340080A - Hydrocarbon gas polymerization : en fr
  • US1950662A - Coated article and method of preparing the same : en
  • US1950963A - Apparatus for determining the specific gravity of solid substances or bodies : en
  • DE594505C - Double pessary : de en
  • ES133278A1 - Spark plug improvements for internal combustion engines. : en es
  • ES133399A1 - A construction procedure for drill bits for looms of looms. : en es
  • FR761376A - bucket elevator : en fr
  • ES133349A3 - Procedure and device for the reproduction of images, photographs, drawings and other documents transmitted at a distance and receiving devices that find application of this device. : en es
  • DE594233C - Roller for sheet glass drawing machines : de en
  • ES133356A3 - Devices on rame machines for widening and drying fabrics. : en es
  • FI15750A - Method of attaching the lid in a wooden cylindrical container : en fi
  • GB407286A - Improvements relating to automatic and semi-automatic telephone systems : en
  • ES133137A1 - A GRAPHITE WRAP CONSTRUCTION PROCEDURE FOR RECTIFYING ANODES : en es
  • FR761362A - Mop, in particular for washing tiles, coverings, bodywork or other : en fr
  • AU1222833A - Improvements in or relating to reversible collars : en
  • CH167812A - Process for the production of belt grease. : de en
  • ES2396U - A new refrigerator (Machine-translation by Google Translate, not legally binding) : en es
  • FR761363A - Knitting process with elastic yarn on forming looms, and new products resulting from its application : en fr
  • GB407265A - Improvements in apparatus for delivering measured quantities of liquid : en
  • GB407257A - Improvements in or relating to braking devices : en
  • ES133168A1 - Improvements in the cambrillones that are used in the manufacture of footwear. : en es
  • FR761294A - Timer drum for meters : en fr
  • GB407114A - Improvements in or relating to systems for the transmission of angular motion : en
  • USD91716S - Design for a boiler : en
  • USRE19106E - Stator with insulation enclosed : en
  • DE593140C - Overcurrent protection device with a reclosing device after the fault has been rectified : de en
  • DE594162C - Glow discharge tube with a cylindrical glass cover : de en
  • DE594386C - Push rod lock for mowing machines : de en
  • DE594423C - Mechanical train control device : de en
  • DE594504C - Uterine pessary made of cotton wool or the like. : de en
  • DE594222C - Hydraulic drive device, in particular for moving brakes and doors of vehicles : de en
  • CH167933A - Installation to prevent current backflow in rectifiers. : en fr
  • US1950807A - Air conditioning apparatus : en
  • US1951324A - Process for treating hydrocarbons : en
  • GB407156A - Improvements in photographic and the like objectives : en
  • FR761251A - : fr
  • FR761117A - Game : en fr
  • FR761197A - Device for remote control of electric towing tractors : en fr
  • GB407375A - Improvements in and relating to cageless roller bearings : en
  • ES133367A3 - Improvements in variable pitch propellers. : en es
  • DE581980C - Iron-shaped ski crampons arranged on the wood : de en
  • ES133287A1 - A device, applicable to all kinds of spinning machines, which favors the parallelism of the wicks and fibers, when performing the great drafting. : en es
  • ES131040A3 - A procedure for the manufacture of cocoa agglomerates. : en es
  • DE594416C - Portable oil burner : de en
  • US1950454A - Boiler furnace : en
  • CH167903A - Equipment for feeding steam boilers, especially high pressure boilers. : de en
  • US1950625A - Brake : en
  • ES133152A2 - PROCEDURE FOR OBTAINING CONDENSATION PRODUCTS : en es
  • ES133065A1 - NEW PROCEDURE FOR THE MANUFACTURING OF CARTON PACKAGING FOR FRUITS AND PRIMITIES : en es
  • GB407381A - Improvements in operating carbonising chambers or retorts : en
  • US1950673A - Joint installing machine : en
  • ES133211A1 - A procedure for the manufacture of conglomerate tubes of all kinds. : en es
  • GB407078A - Improvements in and relating to appliances for teaching elementary arithmetic : en
  • US1951015A - Water heating and deaeration : en
  • US1951102A - Circular knitting machine : en
  • US1950594A - Load responsive control : en
  • US1950652A - Pear coring apparatus : en
  • US1951223A - Refrigerating apparatus : en
  • FR761227A - Reproduction scale adjustment device in photographic reproduction apparatus : en fr
  • CA339932A - Carboxylic acid : en fr
  • FR761131A - Improvements made to fuel systems to ensure cold starting and running of internal combustion engines : en fr
  • FR761264A - Improvements to hoppers : en fr
  • GB407243A - Extinguishing tube for cigars and cigarettes : en
  • CH167962A - Hose winding and washing device. : de en
  • DE594051C - Process for the preparation of metal-containing azo dyes : de en
  • US1951221A - Apparatus for lining pipes with cementitious material : en
  • US1951039A - Method of applying inorganic insulation to electrical sheets : en
  • US1950889A - Process for the purification of tertiary butyl alcohol : en
  • CA339957A - Pencil display rack : en fr
  • DE593989C - Ribbed carpet consisting of upper and lower fabric : de en
  • GB407373A - Method of producing electric discharge tubes : en
  • GB407130A - Improvements in or relating to show case clamps : en
  • GB407272A - Improvements in roller bearings and cages therefor : en
  • USD91707S - Design for a shoe : en
  • ES133274A1 - Device that allows the variation of the colors of the images, with a panel of electric lamps with multicolored spotlights. : en es
  • CA339952A - Cream separator : en fr
  • CA340049A - Composition board : en fr
  • US1951025A - Filter circuits : en
  • DE593979C - Method and device for holding fish or fish fillets during skinning or other processing : de en
  • DE594128C - Quick-closing blowdown valve : de en
  • US1951100A - Inserted blade cutter : en
  • FR761127A - Improvements to measuring devices and devices : en fr
  • FR761162A - Improvements to distributors for engine ignition devices : en fr
  • FR761290A - Illuminated panel on transparent white background for protection or signaling devices : en fr
  • US1950613A - Anchoring device for tufting buttons : en
  • US1950759A - Variable reactance circuit : en
  • DE593929C - Automatic volume control for radio receivers : de en
  • FR761328A - Cooling device, in particular for cylinders of combustion engines : en fr
  • GB407087A - Improvements in vacuum tubes for ultra-short wave signalling : en
  • DE594366C - Material testing machine : de en
  • DE594153C - Multi-part paddle wheel : de en
  • CH167905A - Tubular steam generator. : de en
  • DE594211C - Piston setting machine for processing coal, ore, etc. like : de en
  • GB407174A - Improvements in or relating to the manufacture of manures : en
  • CH167913A - Device for power transmission from a direct current to an alternating current network with the aid of grid-controlled discharge cells. : de en
  • US1950979A - Metal binding strip : en
  • US1950989A - Control mechanism : en
  • US1950532A - Portable pressure gauge : en
  • ES132411A3 - A process for the manufacture of containers and component parts of rubber-lined elements and primary and secondary materials. : en es
  • FR761442A - : fr
  • ES133290A3 - A hydraulic jack. : en es
  • US1950636A - Blank-creasing machine : en
  • US1951040A - Envelope machine : en
  • FR761214A - : fr
  • FR761378A - Self-tightening wrench : en fr
  • FR761186A - : fr
  • FR761340A - Combiner of electrical circuits : en fr
  • GB407201A - Improvements in and relating to aerials for wireless reception : en
  • DE594465C - Feed pump system with at least two piston pumps connected in parallel : de en
  • FR761218A - Transparent-lit police plate : en fr
  • CH167848A - Balance wheel. : en fr
  • CH167954A - Process for the preparation of an aqueous solution of 3,6-diamino-10-methyl-acridinium palmitate. : de en
  • DE594267C - Method and device for the production of rectangular box parts with a pressed neck : de en
  • ES132688A1 - A new automatic announcing and selling machine system. : en es
  • CA339968A - Mop : en fr
  • CA340003A - Briquette making apparatus : en fr
  • CA339972A - Electric contact device : en fr
  • CH167817A - Set up on note and appointment diaries, notebooks and the like to facilitate the overview of the entries. : de en
  • US1951095A - Pressure reducing valve : en
  • US1951160A - Manufacture of magnesium chloride : en
  • US1950902A - Cotton stripper : en
  • US1950906A - Thermostat : en
  • US1951191A - Ratchet movement : en
  • US1951318A - Draft yoke : en
  • US1950742A - Top post and connection : en
  • US1951235A - Smoke box structure for locomotives : en
  • CH168006A - Device for sterilizing and cleaning vessels with an opening on a neck-like part, in particular bottles. : de en
  • CH167880A - Device used to connect the ends of belts together. : en fr
  • US1950536A - Underfeed stoker : en
  • CH167853A - Aluminum alloy. : de en
  • CH167927A - Automatic installation switch with switch-on pushbutton and contact element that can move perpendicular to the axis of the button. : de en
  • CA340065A - Glass polishing tool : en fr
  • CH167842A - Keypad on computing and recording machines. : de en
  • USD91698S - Design for a cover plate for a : en
  • US1951114A - Shock absorber : en
  • DK48503C - Device for Protection of Electrical Installations against Insulation Faults. : da en
  • FR761118A - Method of using the energy of the locks of navigable canals : en fr
  • GB407249A - Improvements relating to steam generators operating in the region of critical pressure : en
  • US1950735A - Process for desulphurizing hydrocarbon oils : en
  • CH167953A - Process for the preparation of a mercury compound of podophyllin. : de en
  • US1950405A - Reverse-plating mechanism for knitting machines : en
  • CH167742A - A method of manufacturing studs in particular for paving and a stud obtained by this process. : en fr
  • FI15772A - Isbrytare : en fi
  • US1950504A - Perforating machine : en
  • USPP87P - : en
  • US1950579A - Universal joint : en
  • CH167855A - Process for the preparation of metals and metal alloys from metal-containing compounds by thermal cleavage. : de en
  • CH167784A - Vacuum cleaner. : de en
  • GB407374A - Disposal of gas works effluents and the like : en
  • CA340075A - Alcohol : en fr
  • US1950569A - Lasting machine : en
  • US1950811A - Process for the recovery of oils and coke from oil-bearing residues : en
  • US1950812A - Distributing center : en
  • US1950911A - Internal combustion engine : en
  • US1950733A - Cane knife : en
  • US1950984A - Lubricating device for doors and the like : en
  • CH167993A - Vehicle, especially bicycle or motorcycle. : de en
  • CH167916A - Neutral terminal. : de en
  • CH167774A - Spool button device for looms with automatic spool exchange. : de en
  • CH167778A - Embroidery machine with several thread brake rollers assigned to a row of needles. : de en
  • CH167943A - Gas-saving burner. : de en
  • DE594214C - Holding device removably attached to the Tuerstockstempeln : de en
  • USD91742S - Design for a bottle package : en
  • US1950424A - Aircraft : en
  • US1951150A - Gas conduction device : en
  • AU1177533A - Improved lubricants and process forthe manufacture and production ofthe same : en
  • CH167893A - Drive device on centrifugal governors, in particular for regulating the fuel supply in internal combustion engines. : de en
  • CA339967A - Barbed wire stringing device : en fr
  • DE594175C - Filing or filing cabinet : de en
  • DE594424C - Arrangement for changing the brightness of the luminous point in a Braun tube, especially in television systems : de en
  • ES132948A1 - A process for manufacturing powder wax for polishing. : en es
  • GB407134A - Improvements relating to loose leaf and like binders : en
  • CA339946A - Concrete dam : en fr
  • CA340045A - Can opener : en fr
  • US1950525A - Machine for rolling core solder : en
  • US1950786A - Apparatus for cracking hydrocarbon oils : en
  • CH167951A - Drip stopper. : de en
  • DE594534C - Device driven by the drive motor for lifting the ends of the track guide frame of motor vehicles : de en
  • US1950494A - Method of preventing the incrustation of boilers : en
  • US1950618A - Hand brake : en
  • CH167808A - Process for the production of a new anthraquinone derivative. : de en
  • CH167724A - Preparations for destroying pests, in particular rodents. : de en
  • FR761147A - Passenger seat or cushion for automobiles : en fr
  • GB407162A - Improvements in or relating to light directing devices : en
  • CA340084A - Motor vehicle : en fr
  • CH167892A - Standing single-acting internal combustion engine. : de en
  • CH167977A - Litter bin. : de en
  • FR761231A - Hangars for aircraft with boxes having their exterior access opening and independent of the main entrance to the hangar : en fr
  • US1950508A - Combination resistor : en
  • US1951109A - Telephone system : en
  • ES133337A1 - New security padlock system. : en es
  • ES2403U - Poster to mark or label, figures and changeable letters. (Machine-translation by Google Translate, not legally binding) : en es
  • FR761115A - Billiard table convertible : en fr
  • GB407300A - Improvements in and relating to electric amplifying methods and means for use in regulating systems : en
  • CA340060A - Bolt blank producing apparatus : en fr
  • CH167877A - Multi-row ball bearing. : de en
  • DE594186C - Lifting device for motor vehicles : de en
  • US1950674A - Oil mop : en
  • US1950967A - Preparation of aluminum alloys : en
  • DE594460C - Economy cartridge : de en
  • DE594299C - Weaving method and device for its implementation : de en
  • AU1267733A - Improvement in method and apparatus for dispensing gas material : en
  • US1951059A - Sash pulley : en
  • CH167874A - Button with fastening device, which is intended in particular for connecting suspenders to trousers. : de en
  • US1950439A - Halogenated butadiene polymer and process for producing same : en
  • DE594436C - Method and device for vulcanizing tapes made of porous rubber with closed cells : de en
  • DE594002C - System for heating metallic objects : de en
  • CH167750A - Mortise lock. : de en
  • US1950726A - Die press : en
  • US1950757A - Handcuff : en
  • US1950397A - Wall structure and building unit : en
  • US1950432A - Polymers of halogenated hydrocarbons and process of preparing same : en
  • US1951061A - Lawn tool : en
  • CH167770A - Can opener. : de en
  • CH167843A - Transmission train for gramophone, in which the motor member and the plate shaft have speeds whose ratio can take several determined values. : en fr
  • FI15764A - Paper gluing method and paper thus obtained : en fi
  • US1950404A - Shuttle and needle mechanism for weaving : en
  • US1950956A - Method of coating chloramine and product thereof : en
  • CH167811A - Method of making a paint. : de en
  • CH168033A - Optical device for signaling or advertising. : en fr
  • AU1333433A - Improvements in road surfacing : en
  • AU1315233A - Method of treading tire casings and apparatus therefor : en
  • CH167944A - Light wire holder for light tubes of any shape. : de en
  • US1950692A - Reversing mechanism for driving shafts : en
  • US1950823A - Burial casket : en
  • US1951314A - Article of furniture : en
  • CH167934A - Discharge vessel filled with gas or steam. : de en
  • US1951264A - Setting for the objective of photographic cameras : en
  • US1950543A - Tomeoxy-s : en
  • US1950910A - Tractor guide : en
  • US1951118A - Lifting apparatus : en
  • US1950668A - Scutcher calendering roller heater : en
  • US1951082A - Azo-dyestuffs and process of making same : en
  • DE594001C - Mechanical protection and locking device for motorized laundry box ironers : de en
  • US1951097A - Smoking pipe and tube : en
  • FR761256A - Winding-unwinding device of an endless belt wound, except for a loop, in superimposed layers forming a spiral : en fr
  • US1951027A - Time switch : en
  • US1951260A - Method of producing glue from bones : en
  • US1951123A - Process for the preparation of butylcymene : en
  • US1951311A - Sound reproducing device of the electrodynamic or movingcoil type : en
  • DE594300C - Dry kickback protection : de en
  • CH167762A - Collapsible rest furniture. : de en
  • CA340077A - Paper sheet interfolding machine : en fr
  • FR761188A - Centrifugal regulator device for all applications, but above all for the automatic advance of ignition devices or engine injection devices : en fr
  • FR761349A - Universal tool for strip ligatures on rubber and metal tubes : en fr
  • GB407124A - Improvements in non-fogging photographic packing materials : en
  • GB407678A - A new or improved catch : en
  • DE594114C - Cleaning or freshening agent for cloth or linen sports shoes : de en
  • DE594324C - Conductor insulation for electrical machines : de en
  • AU1314633A - Improvements inthe recovery of alcohol from breadmaking ovens : en
  • US1950813A - Production of candles : en
  • USRE19109E - Skylight joint : en
  • ES133241A1 - PROCEDURE FOR PROTECTING WOOL AGAINST ATTACK OF MOTH : en es
  • ES133141A1 - WRITING INK MANUFACTURING PROCEDURE : en es
  • FR761104A - Enhancements to valves for controlling fluid flow, and feedwater heaters : en fr
  • US1951060A - Machine for rolling rugs : en
  • CH167981A - Automatic coupling device for vehicles. : en fr
  • DE594307C - Process for marking films by printing agents that change the bromide silver : de en
  • DE594338C - Double spiral : de en
  • GB407370A - An improved chair : en
  • DE594297C - Process for the production of bricks and bricks from highly refractory metal oxides : de en
  • ES133243A1 - Improvements in water purification devices. : en es
  • DE594476C - Einspaen machine : de en
  • FR761153A - Improvements to culinary appliances such as, in particular those intended for the preparation of so-called: boiled eggs : en fr
  • US1950839A - Nostril dilator : en
  • GB407329A - Improvements relating to rotary kilns : en
  • DE594478C - Shoe shine device : de en
  • US1950638A - Refrigerating apparatus : en
  • US1951119A - Production of coated fabrics : en
  • US1951330A - Reel for extension lights : en
  • DE593722C - Process for producing transparent effects on silk : de en
  • US1951128A - Support for electric devices : en
  • CA339976A - Spare tire cover : en fr
  • DE556773C - Self-sealing coke oven door : de en
  • FI15775A - Dörrklinka : en fi
  • FR761202A - Automatic lighter : en fr
  • GB407317A - Improvements in thermionic valve amplifier circuits : en
  • DK48489C - Handskeemne. : da en
  • ES133346A1 - A new procedure to make toiletries, perfumes and beauty calls, irradiated by solar ultraviolet rays or emitted by the mercury lamp. : en es
  • US1950959A - Anchor chain scrubber : en
  • CA340020A - Acoustical ceiling : en fr
  • CH167766A - Brush. : de en
  • CH167928A - Surge protection device. : en fr
  • DE594204C - Combustion chamber tube wall : de en
  • DE594183C - Suitcase speaking machine : de en
  • DE594255C - Hand tool for sharpening scissors with a grinding body between two bowl-like gripping surfaces : de en
  • DE594320C - Antenna structure with preferably ground radiation : de en
  • FR761301A - Folding furniture : en fr
  • DE594059C - Device for sprinkling fields : de en
  • FR761439A - : fr
  • GB407189A - Improvements in warships : en
  • DE594315C - Die setting and line casting machine with die sets whose dies have different lengths : de en
  • DK48495C - Violin support for fastening to a violin. : da en
  • ES133386A1 - Procedure to obtain imitations of Roman mosaic, with plates of cement and asbestos. : en es
  • ES133385A1 - Improvements in bottle caps. : en es
  • ES2418U - Cushion for medical belt. (Machine-translation by Google Translate, not legally binding) : en es
  • GB407137A - Improvements in or relating to the production of ribbons, straws and like products of cellulose derivatives : en
  • US1950922A - Manufacture of artificial silk : en
  • US1951175A - Sound recording and reproducing system : en
  • CA340085A - Detachable clip member : en fr
  • CH167870A - Centrifugal machine with a drum provided with cells on the circumference, which rotates slowly around its own axis, but quickly around an axis that crosses its own axis. : de en
  • CH167990A - Support on a bicycle or motorcycle. : de en
  • GB407193A - Improvements in and relating to the cracking of hydrocarbon oils : en
  • DE594337C - Fuel injection pump : de en
  • ES133387A1 - Installation of lighting with luminous tubes for cars and other vehicles. : en es
  • FR761331A - Trouser tensioner : en fr
  • DE594521C - Feed device on automatic scales for poorly flowing substances : de en
  • US1951307A - Indicating plug fuse : en
  • USD91703S - cavanagh : en
  • US1950539A - Package and closure element therefor : en
  • US1950630A - Washing machine : en
  • US1951275A - Metal reshaping machine : en
  • FR761316A - Device for using waste heat from internal combustion engines : en fr
  • GB407212A - Improvements in swivelling bases for overhead electric trolley poles : en
  • FR761114A - Method of generating tilting or sawtooth oscillations free from return lines, particularly for television : en fr
  • USD91737S - Design fob a dress : en
  • US1950776A - Hydraulic turbine : en
  • US1950866A - Pressing apparatus for the manufacture of cigar fillers : en
  • US1951276A - Temperature-measuring device : en
  • DE594208C - Photographic filter sheets : de en
  • DE594407C - Storage container with insulating vessel : de en
  • FR761178A - Process for the preparation of molding powders from methyl aldehyde and from carbamide and derivatives, and powders thus obtained : en fr
  • GB407120A - Improvements in bearings and method of making the same : en
  • ES133235A1 - An oscillating device for automobile headlights and other uses. : en es
  • ES133361A1 - A machine to produce groups of wooden handles, used in the manufacture of flares and matches. : en es
  • ES133352A1 - Improvements in the hooking devices of suspended insulators. : en es
  • ES133292A1 - A process for bleaching and dyeing ribbons obtained in the preparation for spinning. : en es
  • FR761250A - : fr
  • ES133234A1 - Improvements in television methods. : en es
  • ES133286A1 - A perfected system of great drafting of the preparation and spinning machines. : en es
  • DE594364C - Method and device for drying room air, especially in cold rooms : de en
  • US1950506A - Portable adjustable grain elevator : en
  • US1950832A - Apparatus for recording the periods of operation of an electrical installation : en
  • CH167735A - Multi-walled fireplace for residential buildings. : de en
  • ES2094Y - Paper tube for the textile industry of the type called Tableth tubes. : en es
  • FI15739A - Switch and distribution box for electrical cables : en fi
  • DK48485C - Device by Speakers. : da en
  • US1950395A - Means for operating gas filled luminescent tubes : en
  • CA339947A - Exploding wedge : en fr
  • CH167790A - Rubber apron. : de en
  • DE594190C - Scraper conveyor : de en
  • US1950840A - Roofing strip and method of making the same : en
  • ES132827A1 - Procedure to manufacture tires, especially for wheels of rail vehicles. : en es
  • CA339950A - Tentering machine steaming unit : en fr
  • US1950653A - Electrical amplifier and the like : en
  • DE594330C - Magnetic coupling for transferring the movement of one rotatable body to another, especially for measurement purposes : de en
  • GB407146A - Improvements in or relating to power transmission mechanism : en
  • FR761297A - Hair waving iron with lever : en fr
  • DE594342C - Process for seasoning canned food : de en
  • ES2097Y - Hygienic salt shaker. : en es
  • US1950948A - Osteo-rotor : en
  • DE594382C - Overflow storage system with any number of taps : de en
  • DE594092C - Magnet winding for high currents with a broken number of turns : de en
  • GB407216A - Improvements in or relating to the air-cooling of internal combustion engines : en
  • ES2068Y - Fixed wall coat rack. : en es
  • DE594283C - Impulse remote switch with double magnet : de en
  • DE594443C - Device on internal combustion engines for mixture improvement : de en
  • NL32556C - : en
  • US1950822A - Window installation : en
  • US1951206A - Distillate petroleum product and method of treating same : en
  • ES133187A1 - Improvements in electroacoustic reproduction equipment. : en es
  • CA340052A - Plaster of paris bandage : en fr
  • ES133280A1 - Road construction process of aluminous cement concrete. : en es
  • GB407273A - Improvements in or relating to mattress frames : en
  • US1950475A - Tabulating machine : en
  • NL32246C - : en
  • US1951287A - Duplex envelope : en
  • CH168023A - Process for the production of a new anthraquinone derivative. : de en
  • US1950678A - Tool for reducing the ends of tubes of ductile metal : en
  • US1950391A - Flow control fitting : en
  • US1950767A - Toothbrush : en
  • CH167900A - High pressure boilers with a large heating surface, especially for locomotives. : de en
  • US1950582A - Container : en
  • US1951130A - Eyelash curler : en
  • US1951300A - Paper stuffing machine : en
  • US1951177A - Shear mechanism : en
  • US1950658A - Apparatus for splicing yarn : en
  • US1951148A - Signaling system : en
  • CA339933A - Carboxylic acid : en fr
  • CA339998A - Locomotive arch : en fr
  • CA339935A - Carboxylic acid : en fr
  • CH167872A - Kettle for painting material such as lime, blancfix, mineral paint and the like, which can be used by two people at the same time. : de en
  • US1951301A - Strand inlaying machine : en
  • CA340053A - Insulator coupling : en fr
  • DE594101C - Process for producing large disks from synthetic masses : de en
  • US1950739A - Refining treatment of hydrocarbon oils : en
  • US1951113A - Electric discharge device : en
  • US1950732A - Washing machine : en
  • CA339975A - Alloy steel : en fr
  • CH168020A - Process for the preparation of an acidic dye of the anthraquinone series. : de en
  • US1950965A - Rail guard : en
  • CH167737A - Hollow sleeper in reinforced concrete. : de en
  • DE594212C - Method and device for shaping and stamping workpieces from plastic masses, in particular dough, marzipan or the like. : de en
  • GB407089A - Improvements in or relating to the manufacture and production of concentrated nitric acid : en
  • FI15769A - The application of the powder is carried out by means of a powder coating : en fi
  • FR761351A - : fr
  • GB407238A - Improvements in or relating to weaving looms : en
  • ES1986U - Flexible cartridge with insulating board. (Machine-translation by Google Translate, not legally binding) : en es
  • US1950648A - Curtain structure : en
  • FR761240A - Mica capacitor, especially intended for high frequency applications : en fr
  • GB407115A - Improvements in or relating to mercury arc rectifiers : en
  • FR761126A - Device for protecting acetylene pipes and generators against backflow of oxygen : en fr
  • FR761169A - Door locks controlled by their own operating devices : en fr
  • GB407127A - Improved process for the treatment with hydrogenating gases of distillable carbonaceous materials : en
  • FR761360A - Rigid corrugated reinforcement : en fr
  • GB407215A - Improvements relating to electric battery lamps : en
  • AU1162533A - Improvements in or relating to radio and similar high frequency carrier wave systems forthe transmission of television highspeed picture telegraphy andthe like : en
  • DE594166C - Dry gas backflow preventer : de en
  • US1950426A - Feeding apparatus for extruding presses : en
  • DE594411C - Lasting machine with slide plates : de en
  • DK48512C - Tunnel section for underwater tunnels. : da en
  • FR761170A - Improvements to remote control switches : en fr
  • FR761383A - Electric heater : en fr
  • FR761198A - Motor driven by ion current : en fr
  • ES133345A1 - CONSTRUCTION PROCEDURE FOR REAR AXLE AND LIKE BEARINGS : en es
  • FR761298A - Voltage regulator device for four-pole dynamo : en fr
  • FR761352A - Process for the production of incandescent cathodes with indirect heating : en fr
  • DE594326C - Process for the production of water-insoluble azo dyes : de en
  • GB407126A - Improvements in springs : en
  • GB407255A - Bolt forging machines : en
  • GB407332A - An improved method and means for manufacturing articles from strip metal : en
  • US1951032A - Engine starting mechanism : en
  • US1951215A - Fuel pump : en
  • DE594426C - Branch terminal for electrical lines : de en
  • DE594131C - Wheel set, especially for vehicles running on rails : de en
  • DE594161C - Process for purifying the acetylene-containing gases obtained from the treatment of hydrocarbons in an electric arc : de en
  • DE594312C - corset : de en
  • ES133233A1 - A process for manufacturing deformation-resistant wooden frames, formed by compensated elements, for window or door frames and for wooden constructions in general. : en es
  • GB407924A - Improvements in and connected with electrical heating systems for buildings : en
  • CA339928A - Proportioner : en fr
  • CH167888A - Horizontal piston press for pressing out chopped fruit, berries and other juicy fruits. : de en
  • ES133207A1 - A new procedure for the manufacture of footwear. : en es
  • GB407198A - An appliance for use in examining the mouth and antrum for use in operating in the mouth : en
  • US1950829A - Method of treating vermiculite : en
  • DE594470C - Process for the production of a watertight, accessible roof covering for flat roofs : de en
  • GB407227A - Improvements in or relating to the production of hydrocarbons of low boiling point by the destructive hydrogenation of solid carbonaceous materials : en
  • DE594158C - Procedure for the automatic commissioning of substations : de en
  • CH168019A - Process for the preparation of a dye of the anthrapyridone series. : de en
  • GB407670A - Improvements in or relating to the plating, cleaning or etching of articles or metals : en
  • ES132773A3 - SPECIAL PROCEDURE TO AVOID THE USE OF COBALT DERIVATIVES IN THE GLAZE OR GLASS COVERING EARTHQUAKE OBJECTS : en es
  • GB407122A - Improvements in means for removing sludge from rectangular sedimentation tanks : en
  • GB407222A - Improvements in or relating to interphase transformers for rectifier systems : en
  • DE594477C - Device for the production of fibrous material strips formed from an upper and a lower layer with a measured filling : de en
  • ES133382A1 - Consumption reducing device, applicable to all types of explosion engines. : en es
  • ES2099Y - Apparatus for washing clothes. : en es
  • FR761380A - Egg holder device and its manufacturing process : en fr
  • ES2096Y - Indoor game similar to soccer. : en es
  • DE594329C - Automatic return transport for automatic circular cutting saws and similar machines : de en
  • FR761205A - Improvements to rotary pumps : en fr
  • US1951308A - Fuse integrity indicator : en
  • US1950533A - Focusing means in photographic enlarging apparatus : en
  • US1950747A - Ophthalmic mounting and method of forming same : en
  • USD91731S - Design for a dress : en
  • FI15746A - Winding machine roller : en fi
  • GB407104A - Process for recording and reproducing sounds, and device for the realisation of this process : en
  • GB407213A - Process of improving flours or dough prepared therefrom for the manufacture of foodstuffs : en
  • CH167825A - Blueprint machine. : de en
  • USD91697S - Design for an ice-cream scoop : en
  • US1950418A - Stable malt and malt product : en
  • US1950774A - Hydraulic turbine : en
  • US1951018A - Magnetostrictive light valve : en
  • CA340035A - Knitted article coating process : en fr
  • GB407269A - Improvements in crighton openers for opening and cleaning textile fibres : en
  • ES133226A1 - Key or graft tap to be assembled and disassembled in the pipes without cutting the pressure. : en es
  • ES133240A1 - Soles manufacturing process for all kinds of footwear. : en es
  • FR761109A - Construction process for isothermal buildings and materials for the application of this process : en fr
  • USD91725S - Design fob a shoe : en
  • ES2432U - A box for the packaging and display of thread combs for sewing and embroidery (Machine-translation by Google Translate, not legally binding) : en es
  • GB407169A - Method and apparatus for the continuous production of litharge in solid phase from pieces of metallic lead : en
  • US1950479A - Stop device for tabulating machines : en
  • US1950571A - Self inflating pillow : en
  • GB407164A - Improvements in or relating to fuel injection pumps for internal combustion engines : en
  • DE594439C - Fall Zero Circle : de en
  • ES2103Y - Container for injection needles. : en es
  • GB407083A - Improvements in or relating to advertising signs and the like : en
  • ES133161A1 - A procedure for making reinforced front for belts for ladies. : en es
  • GB407100A - Toasting device : en
  • US1951166A - Scarifier : en
  • US1951290A - Chaser holder with angular clamps : en
  • US1950429A - Process and apparatus for treating acetylene derivatives : en
  • US1950799A - Fracture appliance : en
  • CH167852A - Process for the production of press-welded objects. : de en
  • FI15732A - Phosphorus uptake for phosphorus with the aid of phosphorus and for utilization of phosphate feed : en fi
  • DE594372C - Starting procedure for asynchronous machines excited by three-phase machines : de en
  • GB407207A - Improvements in and relating to seat and like cushions : en
  • US1951073A - Tube drawing apparatus : en
  • NL32321C - : en
  • CH167968A - Automatic telephone system. : de en
  • DE594361C - Fermentation process : de en
  • DE594448C - Method and device for cutting threads, preferably at pipe ends, by means of several tools arranged in a cutting head and coming into action one after the other : de en
  • US1951077A - Purification of phosphoric acid : en
  • US1950788A - Therapeutic electrode : en
  • CH167776A - Device for advancing the rotary can magazine of automatic looms. : en fr
  • GB407362A - Improvements in a process of making laminated metal : en
  • DE594266C - Process for degassing vacuum devices with glass vessel walls and with several electrodes that do not enclose each other by means of high-frequency induction heating : de en
  • ES132971A1 - Procedure for the purification of residual waters on distillation elements of any kind. : en es
  • DE594117C - Talking machine drive by means of non-self-starting synchronous motors : de en
  • US1951297A - Arc snuffer : en
  • USRE19108E - Material handling apparatus : en
  • CH168030A - Process for the preparation of a new salt of a polyoxymonocarboxylic acid. : de en
  • DE594138C - Method for producing a two-layer stone wood floor : de en
  • DE594359C - Tube with a spring-loaded closure cap that seals on a seat surface of the tube neck, to which the product can pass through openings in the neck : de en
  • US1950480A - Accounting machine : en
  • US1950930A - ritter : en
  • US1950626A - Blower : en
  • US1950836A - Internal expanding brake : en
  • DE594331C - Device for determining the weight content of liquid containers : de en
  • US1950493A - Spare wheel and tire lock : en
  • US1950971A - Reduction gear : en
  • CA339939A - Tool : en fr
  • US1950891A - Thermostat : en
  • CA340106A - Building : en fr
  • US1950526A - Ornamental device : en
  • US1951163A - Gaseous electric discharge device : en
  • US1951182A - Four-drum winder : en
  • CA339963A - Explosive : en fr
  • CH168016A - Process for the preparation of an azo dye. : de en
  • CA340034A - Modulating system : en fr
  • US1950495A - Pie making machine : en
  • US1950754A - Magneto : en
  • US1951106A - Device comprising a gasfilled electric discharge tube : en
  • US1950546A - Sole press : en
  • ES133262A1 - A blower or axial pump of various graduations. : en es
  • ES2394U - Device to avoid the subtraction of the plugs of the radiators and gas tank of the automobiles. (Machine-translation by Google Translate, not legally binding) : en es
  • CA340022A - Brake valve device : en fr
  • CH168024A - Process for the production of a new anthraquinone derivative. : de en
  • AU1202133A - An automatic controller for electric currents such as used in the circuits of electric motors and in particular of automobile engine starting mechanism : en
  • CH167799A - Process for the preparation of a mixture of soluble, pourable and storage-stable alkali silicates. : de en
  • CH167816A - Method for connecting objects of all kinds, in particular sheet-like structures made of cellulose compounds. : de en
  • DE594370C - Arrangement for controlling, in particular the speed of rotating machines, as a function of the frequency difference between two alternating current sources : de en
  • FR761160A - Ejection transposing-substituting cryptographer : en fr
  • US1951008A - Abrasive blast cleaning machine : en
  • ES133289A2 - APPLICATIONS IN THE OBJECT OF THE MAIN PATENT : en es
  • FI15784A - Flasklåda : en fi
  • FR761392A - Improvements to woven belts and their manufacturing process : en fr
  • CH167868A - Conical socket wrench for tightening round nuts. : de en
  • DE558654C - Heat and cold exchange apparatus, in particular for cold machines : de en
  • DE593451C - Two-needle hemstitch sewing machine : de en
  • GB407157A - Improvements relating to prepayment meters : en
  • GB407232A - Improvements in automatic musical instruments : en
  • CA340066A - Paper file : en fr
  • USD91730S - Design for a dress : en
  • CH167859A - Microscope attachment device on machine tools. : de en
  • US1951076A - Protective liquid composition for writing paper : en
  • DE594173C - Process for the preparation of a remedy for rheumatism, gout, sciatica and the like like : de en
  • DE594503C - Device for treating fibers : de en
  • CH167833A - Method and tool for producing a drawn metal cartridge case for firearms. : de en
  • US1950503A - Lock : en
  • AU1000732A - Improvement in internal combustion engines : en
  • US1950881A - Window casing with removable panel : en
  • CH167856A - Cathode material for the electrolysis of molten alkali and alkaline earth halides. : de en
  • US1950745A - Clothesline reel : en
  • US1950856A - Combined circuit maker and breaker : en
  • US1950949A - Detachable window : en
  • US1950762A - Typewriting machine : en
  • DE594325C - Device for soldering the power supply wires of electric lamps and discharge tubes on the base : de en
  • FR761238A - Fixing device for auxiliary motors of bicycles : en fr
  • FR761279A - Bakery and pastry products and process for making them : en fr
  • GB407110A - Improvements relating to light reflectors for signs and the like : en
  • CH167975A - Non-slip iron for draft animals. : en fr
  • USD91701S - Design for a card dealing machine : en
  • CA339984A - Photographic emulsion : en fr
  • CH167895A - Switching device for switching the ignition on and off and a starting device of internal combustion engines. : de en
  • ES133365A1 - Absorption machine with auxiliary pressure compensating gas that circulates through the vaporizer and the absorber by means of a vibrating plate. : en es
  • GB407177A - Improvements in ship's rudder : en
  • US1950859A - Apparatus for producing sounds of a musical character : en
  • US1951035A - Apparatus for recording and controlling : en
  • US1950992A - Power transmission device : en
  • CH167806A - Process for the preparation of an azo dye. : de en
  • CA340004A - Hydrocarbon catalytic treatment : en fr
  • US1950734A - Food product : en
  • US1950907A - Cellulose organic ester composition comprising a phthalic acid ester of a monoether of hydroquinone : en
  • US1950831A - Synchronizing apparatus for television receivers : en
  • US1951293A - Cofferdam : en
  • US1950583A - Brake testing device : en
  • US1950819A - Precision tool : en
  • FR761248A - Improvements to machines for collecting and collecting the harvest : en fr
  • DE594295C - Ship towing system : de en
  • ES133201A1 - A process for the manufacture of elementary pieces to compose mosaic drawings. : en es
  • US1950567A - Front drive : en
  • USD91728S - Design fob a shoe : en
  • US1951174A - Process of making dies, tools, etc. : en
  • CH167956A - Process for the preparation of N-allylated C, C-disubstituted barbituric acids. : de en
  • DE594196C - Device for the production of pipes with an inwardly thickened head end : de en
  • US1950939A - Machine for countersinking nuts : en
  • CH167767A - Brush with container for liquid soap. : de en
  • AU1216633A - An improved method of packing biscuits, cakes andthe like : en
  • US1950599A - Refrigerator truck : en
  • US1950659A - Spring friction device : en
  • US1950821A - Electric calendar : en
  • CH168011A - Process for the preparation of 1-phenyl-3-methyl-4-cyclohexylpyrazolone. : de en
  • DE594409C - Device and arrangement for spreading or holding up the wing ends of bottom trawls : de en
  • NL33336C - : en
  • US1951072A - Plow : en
  • US1951084A - Device for removing bark from logs : en
  • US1950896A - Exercising apparatus : en
  • FR761191A - Improvements to sensitive relays : en fr
  • US1950457A - Series glow-plug : en
  • US1950507A - Method of making noninductive resistors : en
  • US1950890A - Nonhalation film backing : en
  • ES133191A1 - A mechanical device to calculate proportions. : en es
  • GB407723A - Improvements in or relating to electric secondary batteries : en
  • ES133206A1 - Improvements in the manufacture of bandages for cures. : en es
  • US1950980A - Burner : en
  • US1951286A - Radiator : en
  • GB407117A - Improvements in or relating to the mounting of electric immersion heaters and other articles in the walls of tanks : en
  • GB407129A - Improved railway lines : en
  • CA340044A - Radio apparatus : en fr
  • CH167938A - Reed frequency relay with at least two differently tuned, separately responding reeds. : de en
  • FR761271A - Screw shape of gears : en fr
  • FR761400A - Fluid brake improvements : en fr
  • FR761262A - Float for swimming : en fr
  • GB407244A - Power supply system for electrically driven vehicles : en
  • FR761128A - Method for locating the movements of a regulating member, with application to radio and radio telegraphy and to precision devices : en fr
  • CH167760A - Springy seating furniture. : de en
  • US1951196A - Adjustable bedspring rest : en
  • US1950861A - Method and apparatus for feeding and separating dry coal from refuse : en
  • DE594471C - Arrangement of a centrifugal dust collector : de en
  • FR761187A - Electric control system for temperature adjustment and other applications : en fr
  • FI15779A - Writing template flag to be attached to the writing sheet : en fi
  • FR761208A - New arrangement of electric steel furnaces for rapid charging : en fr
  • US1950917A - Guard for guy wires : en
  • DE594145C - Sewing machine with retractable upper part : de en
  • US1950837A - Car doorlock : en
  • US1950513A - Bit for drills : en
  • US1951207A - Distillate petroleum product and method of treating same : en
  • USD91711S - Design for an automobile : en
  • US1950920A - Rotary cutter : en
  • FR761243A - Improvements to lubricating oils : en fr
  • US1950400A - Frequency divider : en
  • US1951322A - Foot measuring device : en
  • US1950467A - Valve cooling means : en
  • DE594194C - Fermentation process through fine ventilation : de en
  • US1950629A - Spark plug : en
  • US1951295A - Trap : en
  • CH168003A - Device for electrical space heating. : de en
  • CA339938A - Locomotive cab window closure : en fr
  • CH168009A - Process for the production of durable, crystalline mixtures of alkali silicate hydrates with hydrates of other alkali salts. : de en
  • NL32334C - : en
  • US1951091A - Method of manufacturing chromium of chromium alloys : en
  • US1951144A - Mailing folder : en
  • USRE19110E - Centrifugal clutch : en
  • DE594221C - Control for gear change transmission of traction vehicles with multi-speed gearbox : de en
  • US1950445A - Lighting and ignition system for automobiles : en
  • US1950447A - Refrigerator case : en
  • GB407246A - Improvements in parchmentized fibrous sheets and web materials : en
  • CH167940A - Device for the operation of electric flame arc furnaces, which are fed by direct current generators driven by counter-rotating turbines. : de en
  • GB407197A - Improvements in and relating to apparatus for actuating mechanically movable members in response to variations in intensity of radiated energy. : en
  • ES133380A1 - A machine for the automatic manufacture of earthenware dishes. : en es
  • GB407138A - Improvements in or relating to valves : en
  • US1950586A - Air cleaner : en
  • US1951062A - Coiled strip holder : en
  • CH167879A - Method for controlling hydraulic clutches. : de en
  • ES133209A2 - IMPROVEMENTS IN ELECTRIC DISCHARGE TUBES : en es
  • ES133231A1 - Systems for manufacturing and closing containers. : en es
  • DK48498C - Machine for cleaning larger containers such as milk jugs and the like. : da en
  • IE12966L - Refrigerators : en
  • US1950869A - Centrifugal : en
  • US1951010A - Airplane clock-setting mechanism : en
  • US1951251A - Means for applying a direct current bias voltage to an electrode of a thermionic device : en
  • CH167830A - Snow basket for ski poles. : de en
  • DE594373C - Commutation device for alternating current commutator motors fed with pulsating direct current : de en
  • CH167782A - Rubber laundry rammer. : de en
  • FR761293A - Magnetic speedometer : en fr
  • FI15749A - Fireplace and oven door : en fi
  • US1951081A - Surface skimmer : en
  • US1950450A - Vacuum cleaner nozzle : en
  • US1951048A - Ring blanker machine : en
  • GB407191A - Improvements relating to variable stroke pumps : en
  • US1950805A - Floor dispensing device : en
  • CH167851A - Movement with an electric winding motor. : de en
  • ES2427U - Regulatory device of air (Machine-translation by Google Translate, not legally binding) : en es
  • ES133268A3 - An apparatus for obtaining noodles, macaroni and in general all farinaceous pasta used in food. : en es
  • GB407303A - Improvements in or relating to spindles for loom shuttles : en
  • GB407161A - Improvements in or relating to boards for building and fitting purposes and method of making same : en
  • US1950396A - Electric luminescent tube system and apparatus : en
  • US1951313A - Sanitary shaving brush : en
  • DE594017C - Self-seller with fee collection device : de en
  • US1951069A - Truss : en
  • US1950551A - Refrigerating apparatus : en
  • US1950677A - Pole reenforcement : en
  • US1951024A - Deaerating apparatus : en
  • CA339987A - Photographic emulsion : en fr
  • US1950993A - Roadway power generator : en
  • US1951120A - Art of refining hydrocarbons : en
  • DE594119C - A package made of paper or the like for cigarettes and similar items : de en
  • US1951047A - Checkerwork : en
  • US1951127A - Starting apparatus for electric discharge devices : en
  • FR761398A - Friction clutch : en fr
  • US1950489A - Cartridge fuse, knife blade type : en
  • US1950833A - Fluid dispensing apparatus : en
  • US1951157A - Laundry machine : en
  • US1951185A - Art of separating mixed gases : en
  • FR761320A - Fatty substances soluble in concentrated alkaline baths : en fr
  • GB407106A - Improvements relating to electrically controlled oil burning apparatus : en
  • DE594418C - Loading point for conveyor wagons underground : de en
  • DE594468C - High-voltage safe device for operating X-ray tubes : de en
  • FR761306A - Pylon insulators : en fr
  • GB407341A - Apparatus for the measurement of electrical resistance : en
  • US1950389A - Treatment of lead softener drosses : en
  • US1950490A - Electric switch : en
  • US1950720A - Chlorination of gaseous hydrocarbons : en
  • NL32258C - : en
  • CA340104A - Metal and alloy deoxydation : en fr
  • GB407111A - Improvements relating to caissons : en
  • CA340105A - Wire rope die : en fr
  • DE594256C - Pressure pads, especially for footwear glue presses : de en
  • CH167813A - Process for the production of cellulose ester compositions. : de en
  • CH167860A - Taps. : de en
  • US1951068A - Paper tray and guide for duplicating machine : en
  • USPP88P - Seedless grape : en
  • US1950501A - Rock crushing plant : en
  • US1951001A - Steam turbine spur-gear power-box for stoker drives : en
  • US1951281A - Method and apparatus for conditioning materials : en
  • FR761261A - Retractable fishing rod : en fr
  • GB407097A - Improvements relating to the method of bending coffin sides : en
  • GB407261A - Improvements in regulators for the thread or yarn guides of the winding mechanism ofrayon spinning, yarn winding, twisting at delivery, spooling and like machines : en
  • US1950485A - Clutch mechanism : en
  • ES133297A1 - A procedure for rubber coating horse horseshoes. : en es
  • GB407337A - Improvements in or relating to the arrangement of auxiliary dynamo-electric machines employed as generators and starting motors for internal combustion engines : en
  • ES2414U - Support for cloth or paper towels, for cleaning razors or razor blades, provided or not with interchangeable blades, for all kinds of inscriptions. (Machine-translation by Google Translate, not legally binding) : en es
  • FR761203A - Device for combining two doors so as to only allow them to be crossed in a determined direction : en fr
  • GB407377A - Improvements in cathode ray tubes : en
  • FR761317A - : fr
  • AU1283933A - Improved fruit grading apparatus : en
  • CA339997A - Cellulose pulp tank : en fr
  • CH167915A - Electric cable. : en fr
  • DE594294C - Spring-loaded saddle, especially for bicycles : de en
  • DK48492C - Universal made for automatic firearms. : da en
  • ES133266A1 - Evaporating device for disinfection of premises. : en es
  • FR761111A - Transparent : en fr
  • US1950433A - Bromo butadiene polymers and method of producing same : en
  • DE594206C - Gate valve with axially displaceable, parallel sealing plates, which are pressed onto their seats by rolling levers rolling on each other : de en
  • ES133309A1 - A procedure for the mechanical molding of earthenware dishes. : en es
  • ES133336A1 - Improvements in sewing machines. : en es
  • ES2430U - School desk with its seat. (Machine-translation by Google Translate, not legally binding) : en es
  • CH167963A - Control slide register. : de en
  • CH167961A - Bucket syringe for optionally spraying air foam or water. : de en
  • FI15729A - Sät att impregnera tjocka textile products with latex under hydraulic hydraulics : en fi
  • US1950557A - Pressure contact fuse clip : en
  • US1950952A - Manufacture of primary disazodyestuffs and their production : en
  • CA340056A - Armoured cable connector fitting : en fr
  • US1950820A - Coating materials : en
  • US1950519A - Window or door frame : en
  • US1951030A - Engine starting mechanism : en
  • US1951139A - Synchronous shiftable bevel gearing : en
  • ES133249A1 - Auto-itinerary-warning and its industrial procedure. : en es
  • GB407280A - Improvements in or relating to ventilating devices for vehicles : en
  • US1950977A - Attachment of brake lining to brake shoe : en
  • US1951180A - Device for determining light intensity : en
  • DE594227C - Drive device for electrical switches : de en
  • ES132573A3 - A procedure for the construction of toy vehicles with a greater or lesser number of mountable and removable parts. : en es
  • GB407305A - Cooling device for cooling cupboards : en
  • CH167726A - Wall for construction purposes. : de en
  • CH167965A - Circuit arrangement for telephone systems with call or control counters at the call stations. : de en
  • DE594073C - Device for stacking shaped objects, for example bricks, on trolleys : de en
  • CH167932A - Arrangement for switching a converter on and off. : de en
  • CH168026A - Process for the production of gravure inks. : de en
  • ES2165U - Apparatus to clean crystals. (Machine-translation by Google Translate, not legally binding) : en es
  • US1950975A - Opacimeter and method of measuring opacity : en
  • DE594384C - PTO-driven grass cutter : de en
  • NL32131C - GLOW-LIGHT REINFORCEMENT TUBE WITH AN AUXILIARY PANODE : en nl
  • CH167730A - Frameless, hinged window shutters. : de en
  • CA339944A - Battery terminal clamp : en fr
  • DE594232C - Process for the production of radium-active substances by depositing the decay products of the emanations in the air on negatively charged metal electrodes : de en
  • DE594350C - Rotatable ship window : de en
  • FI15754A - Tändsticks- och plånanordning i cigarrettaskar : en fi
  • GB407185A - Improvements in or relating to jig saw puzzles : en
  • CH167803A - Process for the preparation of a chromium-containing azo dye. : de en
  • ES133145A1 - Frame receiver with large wave field. : en es
  • ES2438U - Simple infernillo to benzine or other flammable liquid. (Machine-translation by Google Translate, not legally binding) : en es
  • FR761275A - Improvement in cork substitutes : en fr
  • FR761311A - Straight valve with valve body guided obliquely to the direction of flow of the liquid : en fr
  • GB407259A - Improved method and means for machining roll necks : en
  • DE594124C - Process for the production of acetylene from methane or other gaseous hydrocarbons : de en
  • DE594405C - Flat weft knitting machine : de en
  • DE594420C - Hot round machine for stand-up collars : de en
  • CH167797A - Liquid with particularly high capillary activity. : de en
  • CH167947A - Mirror for dentist. : en fr
  • DE594172C - Gas burners for industrial furnaces : de en
  • GB407251A - Apparatus for perforating well casings in situ : en
  • GB407340A - Improvements in or relating to valve devices for automatically controlling the flow of gas in pipes : en
  • CA340108A - Ski fitting : en fr
  • CA340109A - Centrifugal governor : en fr
  • CH167793A - Device for taking measurements of a part of the body such as those of the foot and the leg. : en fr
  • ES133163A1 - A new weapon-automatic system. : en es
  • FR761140A - Improvements to electric lighting devices : en fr
  • FR761278A - Grid Magnetron : en fr
  • US1950899A - Manufacture of hydrocyanic acid : en
  • DE594251C - Security device against theft of motor vehicles : de en
  • DE594437C - Process for the production of shaped artificial sponge masses from viscose : de en
  • FR761135A - Beach and camping mattresses : en fr
  • GB407105A - Improvements in gauges for cylindrical apertures and the like : en
  • DE594177C - Cooking vessel for eggs with a water drip pan : de en
  • ES133140A1 - A procedure for welding aluminum. : en es
  • US1951013A - Shock absorbing device : en
  • DK48510C - Procedure for staining the surface of unglazed, burnt bricks and earthenware. : da en
  • US1951159A - Telephone system : en
  • DE594203C - Incandescent cathode rectifier tubes with gas filling, oxide cathode and one or more anodes : de en
  • DE594311C - Semi-rigid turn-down collar : de en
  • ES133265A1 - Procedure for manufacturing rubber footwear using a special mold. : en es
  • ES2067Y - Clasps applicable to penknives and other similar instruments. : en es
  • GB407132A - Floor waxer and polisher : en
  • DE594156C - Device for the production of fabrics, in which the weft threads are pulled off fixed spools by gripper shots : de en
  • DE594321C - accumulator : de en
  • ES2401U - Device for barrels cap. (Machine-translation by Google Translate, not legally binding) : en es
  • FR761183A - Threader support : en fr
  • AU1334333A - Improvements in or relating to scales, weighing machines orthe like : en
  • DE594174C - Drawing table with differential gear and parallelogram drawing device : de en
  • DE594193C - Process for the fine ventilation of Gaerbottichen : de en
  • GB407356A - Process for protecting wool, fur, hair, feathers and the like against attack by moth : en
  • CA340012A - Superheterodyne radio receiver switch : en fr
  • US1950401A - Metallic window sash and casing construction : en
  • GB407136A - Improvements in circular knitting machines : en
  • ES2290U - Device that allows to obtain two or more simultaneous visions or projections. (Machine-translation by Google Translate, not legally binding) : en es
  • ES133185A1 - Procedure for obtaining endless metallic fabrics, especially for the manufacture of paper and cellulose. : en es
  • FR761143A - Improvements to railway crossings : en fr
  • GB407299A - Apparatus for permanent waving : en
  • GB407167A - Carburettors for internal-combustion engines : en
  • GB407353A - An improved toy : en
  • GB407180A - Improvements in or relating to loose leaf books : en
  • US1951049A - Fluid-pressure system : en
  • FR761141A - Advanced machine for cutting ampoule necks : en fr
  • GB407327A - Improvements in and relating to footwear : en
  • GB407128A - Looper thread controlling mechanism for sewing machines : en
  • FR761137A - Automatic tensioner device for bicycle chain : en fr
  • US1950438A - Polymerized halogenated hydrocarbons and process for producing same : en
  • US1950780A - Control system : en
  • US1950834A - Harrow tooth : en
  • US1950997A - Clothes drier : en
  • US1951124A - Gaseous electric discharge lamp device : en
  • ES131904A1 - A manufacturing process for mixed toys, that is, composed of various metals and cardboard. : en es
  • ES133183A1 - IMPROVEMENTS IN THE MANUFACTURE OF HORSESHOES FOR HORSES AND OTHER HORSE ANIMALS : en es
  • GB407292A - Improvements in or relating to steam traps : en
  • DE594323C - Multiple fuse : de en
  • DE594514C - Door contact lock for elevator shaft doors : de en
  • FR761245A - Means for obtaining the triggering of warning signals against theft by breaking or cutting surfaces and in particular windows or mirrors : en fr
  • US1950908A - Package for thread cones : en
  • US1951023A - Brush : en
  • US1951042A - Roller bearing cage : en
  • DE594761C - Sanitary napkin : de en
  • ES131042A3 - A process for the manufacture of malt agglomerates. : en es
  • FR761337A - Device for multiple reproduction of originals with reverse writing : en fr
  • GB407217A - An improved loud speaker : en
  • FR761257A - Toy : en fr
  • CH168014A - Process for the preparation of an azo dye. : de en
  • CH167958A - A process for the preparation of a stable and sterilizable oily solution of bismuth mono-a-butylnormal thiolaurate. : en fr
  • US1950563A - Electric switch : en
  • US1950580A - Automatic variable speed transmission : en
  • US1950379A - Method of making a brush : en
  • USD91721S - Design for a trailer : en
  • USD91712S - Design for a bottle : en
  • FR761342A - Process for preparing vat dye baths : en fr
  • CH167982A - Device for suspending the independent steered wheels of a vehicle, in particular of a motor vehicle. : en fr
  • US1951249A - Container : en
  • DE594229C - Electrical measuring device : de en
  • ES133415A1 - An electric discharge tube with a cathode and one or several grids. : en es
  • US1950736A - Freewheeling device : en
  • US1950632A - Core forming mechanism : en
  • ES133270A3 - A crucible furnace for smelting metal from printing plates and for similar uses. : en es
  • US1951086A - Cushioning mechanism : en
  • FR761287A - Improved sole for shoes and shoes provided with said sole : en fr
  • GB407144A - Improvements in rabbit hutches, dog kennels, and like shelters for animals : en
  • GR4597B - MEANS FOR THE LIFTING OF SINKING SHIPS. : el en
  • ES133377A1 - IMPROVEMENTS IN THE MACHINES FOR RECORDING AND REPEATING PHONOGRAPHIC DISKS : en es
  • FI15736A - Anordning för bestämning av varaktigheten av telefonsamtal : en fi
  • FI15781A - Suksiside : en fi
  • DE594530C - Negative holder for photographic enlargers : de en
  • US1950637A - Engine mounting : en
  • US1950958A - Folding table : en
  • US1951129A - Railway car washing apparatus : en
  • US1950609A - Railway draft rigging : en
  • US1950961A - Packing apparatus : en
  • FI15725A - Shaft device, spike, y.m. for winding and unwinding fence wire : en fi
  • ES133394A3 - A procedure for making labels with drawings and inscriptions woven into them. : en es
  • ES2091Y - Hook for ajar blinds. : en es
  • FR761345A - Air cooling device for internal combustion engines : en fr
  • GB407194A - Improvements in the manufacture and production of nitrogenous condensation products : en
  • US1950378A - Strainer : en
  • CA339977A - Spare tire cover : en fr
  • CH168002A - Watercraft. : de en
  • US1951088A - Crane safety device : en
  • CA340002A - Door check : en fr
  • CH167807A - Process for the preparation of 1,4-diaminoanthraquinone-2,3-disulfonic acid. : de en
  • CH168005A - Cleaning device provided with a handle. : de en
  • US1951031A - Engine starting mechanism : en
  • CH167918A - Spreading device on electrical installation apparatus with base fastening slots for fastening the apparatus in flush-mounted boxes. : de en
  • NL32326C - : en
  • US1951055A - Lid : en
  • CH167882A - Closure device on pressure vessels. : de en
  • CH167723A - Method for preventing plants from settling on masonry walls. : de en
  • GB407304A - Improvements in high-frequency band filters : en
  • DE583834C - Tool for removing the insulation layers from enamel-insulated wires : de en
  • DE594139C - Light meter : de en
  • ES2399U - Billiard of the board. (Machine-translation by Google Translate, not legally binding) : en es
  • DE594435C - Drip cap for containers and bottles : de en
  • GB407182A - Improvements in and relating to delivery apparatus for granular material and the like : en
  • US1950860A - Hydraulic gear shifting mechanism : en
  • DE594018C - Rotary piston internal combustion engine : de en
  • DE594510C - Block of combined paper sheets prepared for individual removal for cleaning eye glasses and the like. like : de en
  • ES2086Y - Movable headlight device for cars. : en es
  • ES2416U - Closing device for container. (Machine-translation by Google Translate, not legally binding) : en es
  • DE593753C - Injection carburetor : de en
  • DE594191C - Clock to indicate different local times : de en
  • US1950679A - Traveling border discharge tube display : en
  • US1951137A - Gaseous electric discharge device : en
  • US1951255A - Gun rack : en
  • GB407059A - A new or improved sparking plug : en
  • GB407081A - Device for automatically measuring and discharging predetermined quantities of materials from containers : en
  • US1950441A - Preparation of halogen butadienes and process of preparing the same : en
  • US1950787A - Fuel burner : en
  • DE594309C - Self-actuating firearm composed of several detachable parts : de en
  • DE594525C - Sorting device for round discs, sheet metal marks and especially for coins : de en
  • DE594278C - Device for heat transfer, in which the heat transfer surfaces are made of spirally wound sheets : de en
  • FI15759A - Valve : en fi
  • CA340006A - Cellulose ether derivative : en fr
  • US1950886A - Vibration dampener for crank shafts : en
  • US1950384A - Trap : en
  • US1950671A - Manufacture of oxygenated organic compounds : en
  • ES133331A3 - A procedure for making vehicle tire covers. : en es
  • DE594347C - Hydraulic regulator for prime movers equipped with a feedback device : de en
  • CH167729A - Process for the production of roof coverings, wall coverings and the like. From corrosion-resistant sheet metal, in particular from copper and its alloys. : de en
  • DE594121C - Bathing suit with deep back neckline : de en
  • US1950801A - Construction column : en
  • US1951202A - Cabinet : en
  • US1950744A - Olefin-polysulphide plastic : en
  • US1951309A - Indicating plug fuse : en
  • AU1262233A - Improvements inthe manufacture of fungicidal bodies : en
  • US1950555A - Polishing machine : en
  • US1950982A - Manifolding sheet : en
  • CH167988A - Anti-skid device for vehicle wheels equipped with pneumatics. : de en
  • CA339981A - Floor surfacing machine : en fr
  • DE594469C - Device for boiling eggs : de en
  • CA340038A - Shaft coupling : en fr
  • FI15780A - A device for attaching initials to galoshes : en fi
  • GB407295A - Improvements in or relating to rotary pumps : en
  • AU1302033A - Improvements in oir relating to the recovery of sulphur dioxide from gas mixtures : en
  • FR761336A - Improvements in the construction of railway bogies : en fr
  • CH167829A - Ski binding. : de en
  • US1950568A - Die casting machine : en
  • US1950667A - Hair comb : en
  • US1951029A - Device for use in making threads : en
  • USD91709S - Design for a buckle : en
  • US1950584A - Lady's hand luggage : en
  • CH167992A - Device on motor vehicles with air-cooled engines, in particular motorcycles, for utilizing the heated cooling air. : de en
  • ES133304A1 - Improvements in the mechanism of the valves of passage. : en es
  • US1950909A - Tablet packaging machine : en
  • US1950478A - Method of compounding rubber : en
  • US1950597A - Automatic drilling machine : en
  • CA340024A - Fluid pressure brake : en fr
  • ES132296A1 - A procedure for the construction of seamless conduits. : en es
  • FR761133A - Percussion fuze with delayed arming for projectiles : en fr
  • US1950518A - Current conducting film cue mark : en
  • US1951000A - Edge roll : en
  • CH167772A - Dishwasher. : de en
  • US1950575A - Check valve : en
  • US1951162A - Time delay mercury switch : en
  • CH167785A - Elastic clothes band. : de en
  • CH167788A - Sports glove. : de en
  • CH167898A - Fuel injection pump for internal combustion engines. : en fr
  • CH167897A - Electric machine coupled to the crankshaft of a motor vehicle engine. : de en
  • CH167787A - Tie ties. : de en
  • AU1345833A - Improved shock absorbing apparatus particularly adaptable tothe undercarriage of aeroplanes : en
  • NL32214C - : en
  • US1950670A - Bake oven : en
  • US1950528A - Duplex centrifugal machine : en
  • US1951090A - Building construction : en
  • US1951189A - Automatic brake and electric ignition control for automobiles : en
  • USD91743S - Design for an oil demonstrator or : en
  • AU1161733A - Improvements relating tothe production of bituminous material in rod formation : en
  • DE594282C - Vacuum switch : de en
  • ES2400U - Stopper perfected for barrels. (Machine-translation by Google Translate, not legally binding) : en es
  • US1951246A - Portable quilting apparatus : en
  • GB407297A - Improvements in cameras for use in colour photography : en
  • ES2092Y - Device for cleaning combs. : en es
  • GB407155A - Improvements in electric lighting units : en
  • GB407171A - Improvements in golf-tees : en
  • CH167731A - Wall frame with window and protective grille. : de en
  • CH167876A - Single-acting piston machine with cross head. : de en
  • CA339940A - Tire scuff detector : en fr
  • DE594472C - Device for gluing a work piece to another work piece or the like. : de en
  • GB407096A - Improvements in electric conductors suitable for high frequency transmission : en
  • DE594351C - Shock absorbing device for hydraulic structures or ships : de en
  • DE594401C - Cast-encapsulated electrical distribution system for low voltages : de en
  • ES133391A1 - An automatic signaling system for vehicles in operation applicable to railways, roads and other traffic routes. : en es
  • CH167935A - Device for converting direct current into multiphase current by means of grid-controlled discharge vessels. : de en
  • CA340017A - Sound absorbing structure : en fr
  • CH168028A - Burner. : en fr
  • US1951236A - Garment stay securing means : en
  • CH168004A - Rotatable table top. : de en
  • US1950463A - Controlling means for locomotive auxiliary ports : en
  • US1950978A - Lens for head lamps : en
  • US1950535A - Frequency control apparatus : en
  • US1950585A - Printing machine : en
  • CH167972A - Holding rail for plates in display stands, protective walls, attachments for counters or the like. : de en
  • US1950800A - Fuel burner : en
  • CA340082A - Telegraph keyboard mechanism : en fr
  • ES133174A1 - A procedure for obtaining margarine of the same qualities as cow butter, both for its degree of fusion and taste and aromatic smell. : en es
  • ES133212A1 - Balancing glass, especially for vehicles on rails. : en es
  • ES133302A1 - Improvements in the counters with rate change. : en es
  • US1950474A - Vacuum brake : en
  • CA340010A - Lamp mount making machine : en fr
  • US1950542A - Smoking pipe : en
  • US1950755A - Draft damper closer : en
  • US1950953A - Hollow forged valve and method of making the same : en
  • US1951149A - Electric apparatus : en
  • CA340047A - Selective circuit : en fr
  • CA339985A - Photographic material : en fr
  • CH167957A - Process for the preparation of an oxy fatty acid derivative. : de en
  • US1950419A - Anti-back-lash device : en
  • US1950694A - Clutch for motor vehicles : en
  • US1951009A - Tank safety device : en
  • US1950416A - Process of making imitation astrachan fur : en
  • US1950929A - Mandrel rod supports : en
  • ES2405U - Multi-compartment air chamber for vehicle tires. (Machine-translation by Google Translate, not legally binding) : en es
  • CA339964A - Hair waving appliance : en fr
  • CA340014A - Plasterboard edge labelling machine : en fr
  • CA339937A - Carboxylic acid : en fr
  • CH167800A - Dry process for the production of aluminum fluoride. : de en
  • US1951075A - Brake rigging for railway cars : en
  • DK48514C - Aperture for car headlights and the like. : da en
  • DE594147C - Machine for making ropes or cables : de en
  • DE594346C - Process for directing cinematographic picture or picture sound films : de en
  • CH167866A - Process for the manufacture of rubber and hard rubber articles. : de en
  • FR761142A - Dual-color simultaneous camera : en fr
  • US1950995A - Olfopneumatic strut : en
  • US1951044A - Process of dissociating hydrocarbon gases and vapors to obtain a mixture of hydrogenand nitrogen in determined proportions : en
  • CH167761A - Chair with reclining seat. : de en
  • CH167917A - Electric switch. : en fr
  • CH167984A - Collapsible vehicle roof on vehicles, in particular on motor vehicles. : de en
  • US1951161A - Mercury switch : en
  • CA339988A - Photographic anti-halation layer : en fr
  • CA340015A - Mineral wool granulating apparatus : en fr
  • CH167756A - Apparatus for spraying liquid floor wax or other liquids. : de en
  • DE594236C - Device for displaying overloads on hoists : de en
  • CA339970A - Trousers supporting means : en fr
  • CH167754A - Installation for glass spinning. : en fr
  • US1950809A - Constant speed mechanism : en
  • US1951146A - Transmission mechanism for machine tools : en
  • CH167753A - Machine for blowing hollow glass bodies. : de en
  • CH168017A - Process for the preparation of an azo dye. : de en
  • US1950530A - Slicing machine : en
  • US1951328A - Form of leavening ingredient : en
  • CA340039A - Fibrous material : en fr
  • US1951115A - Curtain fixture : en
  • US1951270A - Air conditioning apparatus : en
  • USRE19115E - Sound pick-up device : en
  • CA339973A - Railway tie plate : en fr
  • CH167771A - Process for filling and closing bottles. : de en
  • DE594528C - Gear change gearbox : de en
  • DK48497C - Clamping device for use in leveling, laying and hammering the teeth on forest saws. : da en
  • USD91706S - Design for a shoe : en
  • US1950497A - Barometer : en
  • US1950721A - Treatment of hydrocarbon oils : en
  • US1951327A - Electro-polarized relay : en
  • CH167946A - Device for connecting the power supply cables to electrical discharge tubes. : de en
  • DE594264C - Disc coil wound from parallel conductors with the inner end of each conductor connected to the outer end of the following conductor : de en
  • GB407190A - Improvements in or relating to arrangements of exhaust turbo blowers in connection with internal combustion engines : en
  • CA340013A - Spring drive : en fr
  • CH167818A - Easel file. : de en
  • FR761116A - Improvements to devices intended to heat a boiler using liquid or gaseous fuel : en fr
  • CH167881A - Spreading device on the piston. : de en
  • CH167890A - Cross-flow turbine. : de en
  • FR761168A - Auto-repeating firearms enhancements : en fr
  • CA340046A - Moulding apparatus : en fr
  • CH168025A - Process for the production of a new anthraquinone derivative. : de en
  • US1951121A - Rotary disk valve : en
  • US1950941A - Dispenser for powdered materials : en
  • US1951053A - Mail-box : en
  • CA340059A - Nut blank sorter for tapping machines : en fr
  • CH167921A - Electric switch. : en it
  • CH168022A - Process for the production of a vat dye. : de en
  • CH167795A - Machine for the production of pasta. : en fr
  • FR761288A - Camera comprising a range finder based : en fr
  • GB407107A - Improvements in or relating to means for reinforcing signalling electric currents traversing long lines : en
  • GB407220A - Improvements in or relating to safety razors : en
  • US1950403A - Scutching and cleaning machine : en
  • US1950770A - Inner spring construction for matresses and the like : en
  • US1951179A - Shoe sewing machine : en
  • CH167744A - Heat storage furnace. : de en
  • CH167780A - Device for treating skeins of yarn with liquids. : de en
  • DE594410C - Closing head for capsule machines : de en
  • DE594490C - Magnet system, especially for dynamic loudspeakers : de en
  • ES133224A2 - REGULATION TRANSFORMER FOR STEPLESS VOLTAGE REGULATION : en es
  • FR761181A - Improvements to analyzer devices in television : en fr
  • DE593827C - Insulating oil : de en
  • GB407184A - Improvements in or relating to electric treadle or mat switches : en
  • CA340061A - Convector : en fr
  • US1950854A - Liquid sampler and method for sampling liquids : en
  • FR761273A - Improvements to push-pull amplifiers : en fr
  • US1951022A - Dial register for telephone numbers : en
  • FR761246A - Improvements to closed-circuit guard systems : en fr
  • FR761125A - Improvements to t devices. s. f. : en fr
  • ES133355A1 - Improvements introduced in the heads porta blades for woodworking machines with vertical spindle and analog. : en es
  • GB407119A - Improvements in or relating to electric signalling apparatus : en
  • GB407290A - Improvements in or relating to control devices for the knitting members of flat knitting machines, particularly pearl machines : en
  • GB407326A - Improvements in or relating to pyrographic apparatus : en
  • FR761433A - Improvements to closing hunting cartridges : en fr
  • DE594440C - Pneumatic contact device, especially for speaking machines with tape-shaped sound carriers : de en
  • GB407679A - Improvements in or relating to appliances or apparatus employing high frequency electric currents for medical or curative purposes : en
  • CH167802A - Process for the production of isopropyl-allyl-barbituric acid. : de en
  • DE594398C - Circuit arrangement for telegraph exchanges with relay transmission circuits : de en
  • US1950550A - Case-making machine : en
  • US1950610A - Heat conserving system for locomotive terminals : en
  • US1950705A - By-passing device for idle running steam engines : en
  • CH167886A - Switching device on electric elevators. : de en
  • US1951198A - Sound recording : en
  • USD91747S - Design for a sun hat : en
  • US1950874A - Hinge : en
  • US1950991A - Seed display stand : en
  • CA339941A - Vehicle steering device : en fr
  • CA340041A - Rubber vulcanization : en fr
  • DK48506C - Luggage fastening device. : da en
  • US1950443A - Hinge : en
  • US1951245A - Pressure actuated switch : en
  • CA339948A - Tooth brush : en fr
  • GB407150A - Improvements in cricket bats : en
  • US1950880A - High speed sheet delivery device : en
  • DE573178C - Packaging container for eggs, Christmas tree decorations or similar easily breakable items : de en
  • FR761209A - Improvements to measuring devices : en fr
  • FR761284A - Self-threading needle : en fr
  • GB407237A - Improvements in or relating to burners for gaseous liquid or other fuels : en
  • US1950566A - Sewing machine looper mechanism : en
  • US1950927A - Flexible cover for vehicles : en
  • DE594450C - Bone cutter : de en
  • US1950412A - Loom : en
  • US1950627A - Door operating apparatus : en
  • DE594303C - Device for volume control in combined devices for radio and record playback : de en
  • CH167948A - Denture. : en fr
  • CH167914A - Socket. : de en
  • US1950882A - Brake rod cushioning device : en
  • US1951122A - Interlocked solder joint and method of making the same : en
  • DE593986C - Optical signaling device for aircraft operated by means of a key mechanism : de en
  • DE577434C - Sound box for converting the mechanical vibrations of a sound pen into electrical ones for playback in loudspeakers : de en
  • GB407109A - Improvements in or relating to syringes for subcutaneous injection : en
  • GB407172A - Improvements in emulsifying apparatus : en
  • ES133395A1 - Chlorine gas manufacturing process. : en es
  • GB407333A - Improvements in harrows : en
  • FR761175A - Auxiliary device for the manufacture of brushes with twisted metal wire frames : en fr
  • FR761180A - Improvements to point-to-point sole gluing machines to shoe uppers : en fr
  • US1950393A - Welding edges of sheet metal plates : en
  • US1951306A - Method of making radiator shutters : en
  • DE594230C - A variable capacitor, which can be calibrated according to frequencies and consists of partial capacitors, which has the same and prescribed resistance for all adjustable frequencies : de en
  • DE594126C - Process for the production of pure betaine rhodanide : de en
  • DE594231C - Method for measuring and registering radiation quanta : de en
  • ES133256A1 - Improvements in television methods. : en es
  • US1950430A - Process of impregnation and product obtained thereby : en
  • US1951079A - Wiper for gauge rods : en
  • US1951141A - Electric discharge device and electrode therefor : en
  • ES132716A1 - A process for making toothpastes. : en es
  • ES2436U - Perfect tie. (Machine-translation by Google Translate, not legally binding) : en es
  • US1951203A - Means fob transferring impressions : en
  • US1951226A - Measurement of gravitational forces : en
  • US1951277A - Wheeled toy : en
  • US1950562A - Fire extinguisher device : en
  • US1950710A - Refrigerator leg : en
  • US1951101A - Inserted blade cutter : en
  • US1951269A - Cooling nozzle safety device for permanent waving : en
  • GB407145A - Improvements in knitting pins : en
  • US1951265A - Furnace grate : en
  • US1950481A - Method for the projection of cinematograph pictures which give the sensation of a trip in an aeroplane or airship : en
  • US1950741A - Highway traffic signal : en
  • US1951183A - Art of separating mixed gases : en
  • CH167983A - Blocking device on transmissions of motor vehicles. : de en
  • DE593741C - Conveyor machine for downward conveyance : de en
  • FR761299A - Improvements to rubber-lined articulation blocks : en fr
  • DE594113C - Process for regulating the power transfer between two or more AC power plants : de en
  • FR761134A - Sunroof for motor vehicles and others : en fr
  • ES133213A2 - IMPROVEMENTS IN THE CONSTRUCTION OF VEHICLES FOR FILMING ON RAILS : en es
  • GB407345A - Improvements relating to combined reciprocating steam engines and turbines : en
  • FI15755A - Slåttermaskinsskärverk : en fi
  • FR761270A - Mineral oil refining improvements : en fr
  • US1951298A - Azo dyestuff and color lakes made therefrom : en
  • CH167768A - Cap for containers. : en fr
  • GB407077A - Improvements in methods of preparing cement raw materials : en
  • FI15734A - Cooling device for motor vehicles : en fi
  • GB407112A - Improvements in or relating to clutch operating mechanism for motor vehicles : en
  • US1950375A - Method of producing refractory brick and kiln therefor : en
  • US1950756A - Steam generating boiler : en
  • US1951045A - Supercharger drive for internal combustion engines : en
  • US1951126A - Locomotive drive : en
  • DE594334C - Mixture intake line for internal combustion engines : de en
  • GB407108A - Improvements relating to the method of infusing coffee and coffee infusers : en
  • CH167931A - Electrical selective protection device for alternating current networks with distance relay. : de en
  • FR761335A - Bogie for locomotives, passenger cars, etc. : en fr
  • GB407153A - Improved process of and apparatus for use in effecting emulsification : en
  • DE594260C - Process for the production of sulphonated mineral oil hydrocarbons : de en
  • FR761286A - Bumper pivot system for watches and other precision instruments : en fr
  • US1951253A - Sanitary and self-cleansing trap : en
  • US1951046A - Fruit washing and drying machine : en
  • US1951289A - Window screen : en
  • DE594399C - Circuit arrangement for dialers, the setting elements of which are actuated to run over an undesired group of lines by several current pulses generated as a function of a number current surge : de en
  • DE594512C - Device for making bed areas mobile : de en
  • ES132721A1 - A centrifugal mill. : en es
  • DE594104C - Process for producing pipe insulation : de en
  • GB407291A - An improvement in or relating to the flat-pressing of textile fabrics : en
  • US1950884A - Self-erecting front camera latch : en
  • US1951319A - Draft rigging : en
  • GB407298A - Apparatus for permanent hair waving : en
  • DE594348C - Auxiliary surfaces that can be extended transversely to the direction of flight can be enlarged wing for aircraft : de en
  • DE594353C - Pistol holster : de en
  • GB407063A - Improvements in and connected with gauge glasses : en
  • DE594367C - Device for corrugating sub-chambers for water tube boilers : de en
  • GB407307A - Composing device for embossed printing of tickets and show-cards : en
  • US1950700A - Power transmission coupling : en
  • US1951052A - Reaction products of mercapto : en
  • FI15743A - Förfaringssätt and anordning för förbränning av flytande bränslen : en fi
  • ES133219A1 - A method to equip the articles with surface finishes. : en es
  • GB407268A - Means for obtaining access to power driven fans of the axial flow type and other parts located in ventilating shafts and like conduits : en
  • FR761272A - Motorcycle Engine Auto Cooler : en fr
  • CH167995A - Vehicle driven by an internal combustion engine by means of electrical transmission. : de en
  • CH168032A - Process for the preparation of a therapeutically valuable derivative of veratrum acid. : de en
  • US1950524A - Multiple spindle grinder : en
  • US1950644A - Screw driver : en
  • US1950657A - Cigarette extinguisher : en
  • ES132975A1 - A procedure for the reduction of minerals, with the corresponding oven for its realization. : en es
  • US1951034A - Adjustable repair clamp for bell and spigot joints : en
  • US1951186A - Hardening and waterproofing compound for cement and concrete mixtures : en
  • DK48494C - Apparatus for Polishing and Re-polishing Leather Footwear. : da en
  • CH167741A - Trolley for waste bins with facility for opening and closing the bin lids. : de en
  • US1951104A - Machine for the production of knitted fabrics : en
  • US1951210A - Gas-blast circuit breaker : en
  • DE594098C - Latch needle : de en
  • DE594513C - Device for deburring smoker fish : de en
  • DE594238C - Surveying device, leveling device or the like. : de en
  • DE594495C - High-voltage transformer, the high-voltage winding of which is housed in a one-piece coil box made of insulating material. : de en
  • CA340100A - Electric receptacle : en fr
  • FR761391A - Stretcher : en fr
  • DE575300C - Automatic liquid siphon : de en
  • US1950633A - Ingot : en
  • US1951074A - Refrigerator : en
  • ES133383A1 - Warp developer mechanism. : en es
  • FR761254A - Detachable ring rim : en fr
  • ES133172A1 - Improvements in the construction of wheels of motor vehicles to travel by road and by rail. : en es
  • ES2243U - Detachable indicator elements that can be coupled to scales indicating radio characteristics (Machine-translation by Google Translate, not legally binding) : en es
  • FR761110A - Process for stopping damaged parts of a fabric : en fr
  • GB407113A - Improvements in electric energising apparatus : en
  • US1951005A - Carboy : en
  • FR761176A - Cooling device for oil of electric transformers : en fr
  • GR4598B - IMPROVEMENT IN OIL GAS PRODUCERS. : el en
  • US1950448A - Flexible coupling : en
  • US1950466A - Automatic self-cleaning strainer : en
  • US1951171A - Electric switch : en