• CH203310A - Process for the production of semi-rigid laundry items. : de en
  • US2148499A - Locking device : en
  • CA379796A - Metal recovery from oil : en fr
  • CA379803A - Photographic apparatus : en fr
  • US2148444A - Land speed measuring instrument : en
  • DE672296C - Atomizer burner with jacketed feed pipes for the pressurized mixture components, especially for heating up gasifiers for stoves operated with liquid fuels and the like. like : de en
  • DE672386C - Vacuum cleaner brush for radiators or the like. : de en
  • FR838220A - Device for plating : en fr
  • US2148533A - Carton : en
  • US2149210A - Ear and neck protector : en
  • DE672456C - Double drive wheel device : de en
  • US2148714A - Axle : en
  • USPP316P - Cherry : en
  • USD113510S - Design fob a pressure cooker : en
  • US2148488A - X-ray apparatus : en
  • US2148535A - Removable tip for fire nozzles : en
  • US2149006A - Manifolding device : en
  • AU83539A - Improvements relating tothe capping of sealed envelopes of quartz or like material through which electric leads pass : en
  • BE432037A - : en
  • CH203104A - Method and device for processing fiber material containing vegetable glue during wet spinning on the ring spinning machine. : de en
  • CH203313A - Process for the preparation of N-methyl-2-mercapto-thiazolidine-2-methyl ether. : de en
  • US2148600A - Electric circuit breaker and cut-out : en
  • US2149082A - Electric circuit : en
  • US2148496A - Installation of acoustical insulating material : en
  • US2148997A - Piston ring : en
  • GB501565A - Improvements in ophthalmic mountings : en
  • US2148455A - Gravure printing-press doctor blade construction : en
  • AU104438A - Improvements in or relating to smokers appliances : en
  • CH203164A - Tree candle holder. : de en
  • CA379859A - Knitting apparatus and fabric : en fr
  • DE672260C - Jack with two pairs of toggle levers : de en
  • FR838153A - Process for obtaining welded objects resistant to the action of chemical agents : en fr
  • CH203169A - Skittles table. : de en
  • US2148718A - Inverter for variable electrical current : en
  • US2148738A - Battery terminal : en
  • US2149086A - Electrical capacttor : en
  • DE672374C - Arrangement for collecting poorly thermally conductive precipitation in heated containers : de en
  • AU106662B2 - An improved exterminator for insects such as blowflies : en
  • CH203333A - Process for the preparation of an azo dye containing complexed chromium. : de en
  • GB501396A - Improvements in or relating to stationery webs : en
  • GB501589A - Improvements in or relating to patterning mechanism for knitting machines : en
  • GB501604A - Improvements in or relating to stocking and a method of knitting same : en
  • DE671997C - Equipment for the production of coke briquettes from hard coal : de en
  • GB501688A - Improvements in or relating to milling machine tools : en
  • CH203246A - Electric discharge tube. : de en
  • US2148522A - Car vestibule trap door and folding step construction : en
  • CH203140A - Process for the preparation of a monoazo dye. : de en
  • CH203337A - Process for the preparation of a substantive polyazo dye. : de en
  • GB501594A - Improvements in lubricating means for the rollers of trolley arms of electric tramways : en
  • AU500037A - Improvements in or relating to electrical communication systems : en
  • CH203258A - Sun protection cream. : de en
  • AU106672B2 - Method of and means for reducing disturbances in wireless reception : en
  • CA379848A - Wheel ornamental member mounting : en fr
  • CH203097A - Cleaning supplies. : de en
  • US2148472A - Electrical controlling apparatus : en
  • US2148531A - Automatic record changer for phonographs : en
  • US2148676A - Bookcase filler : en
  • FR838188A - Process for the preparation of high-value leathers : en fr
  • FR838278A - Improvements to power supply devices for electric motors driving trolley cars used in fairgrounds : en fr
  • GB501698A - Improvements in and relating to electric heating elements for high temperature furnaces : en
  • GB501530A - Improvements in metal casement windows : en
  • USD113558S - Design for a bottle : en
  • DE672306C - Device for regulating electrical voltages or currents by means of a resistor composed of carbon disks : de en
  • DE672403C - Construction of heavily curved, plywood-clad aircraft parts : de en
  • DE672542C - Overcurrent fuse : de en
  • GB501462A - Improvements in and appertaining to covers or caps for screw heads : en
  • US2149073A - Azo dyestuffs : en
  • US2148570A - Typewriter : en
  • US2149205A - Tire rim : en
  • DE672466C - Fastening the interior lining of car bodies : de en
  • US2149025A - Linoleum cutting machine : en
  • US2149215A - Hair clip and curler : en
  • US2149080A - Current or voltage regulator : en
  • US2149124A - Animal skin nailer : en
  • US2149045A - Cathode ray tube : en
  • US2149088A - Towel dispensing apparatus : en
  • GB501390A - Improvements in and relating to electric circuit breakers of the oil blast type : en
  • US2149005A - Shaped medicinal preparation : en
  • DE672448C - Drainage conveyor system : de en
  • FR838374A - Elastic suspension for rigid axle motor vehicles : en fr
  • FR838377A - Method and apparatus for the manufacture of glass in flakes or lamellae, and products thus obtained : en fr
  • US2148630A - Method of tempering glass : en
  • US2148753A - Magnetic brake controller : en
  • US2149098A - Dispensing apparatus for knives and like articles : en
  • CH203281A - Process for the production of packaging and packaging produced by the process. : de en
  • US2148566A - Swivel joint hose coupling : en
  • US2149036A - Motor operated switch : en
  • DE672346C - Device for the machine cutting of slates : de en
  • US2148794A - Light projector fop strcboscopic and otheh purposes : en
  • US2149181A - Spray gun for paints and the like : en
  • US2149061A - Polisher : en
  • PL27972B1 - Oil extraction pump. : en pl
  • US2148439A - Culinary device and shipping package : en
  • AU401937A - Improvements in or relating to bridges for measuring electrical impedance : en
  • CH203120A - Rubber elastic strap on items of clothing. : de en
  • CA379808A - Lamp condition indicator : en fr
  • CA379819A - Sterilizing cabinet : en fr
  • CA379858A - Cigarette package : en fr
  • CH203121A - Multi-layer item of laundry, in particular a collar or cuff. : de en
  • PL27919B1 - Decorative pendant for consumables, easily lost. : en pl
  • US2149229A - Triangle cutter lock : en
  • DE672365C - Silo closure : de en
  • GB501798A - Improvements in or relating to stockings and a method of knitting same : en
  • DE672435C - Process for the isomerization of í¸5,6-dehydroandrosterone and compounds derived therefrom : de en
  • DK55886C - Apparatus for Sterilizing Liquids. : da en
  • US2148722A - Submersible vibrator : en
  • US2149166A - Distributing machine : en
  • PL27951B1 - Kir 47 b, 32. Device for transmitting pulling or pushing forces over a distance. : en pl
  • US2148998A - Mixing and drying apparatus : en
  • GB501548A - Improvements in or relating to screws : en
  • FR838187A - Process for breaking down phosphates : en fr
  • US2149214A - Hair clip : en
  • USD113503S - Design fob a building front : en
  • GB501650A - Improvements in carburetters for internal combustion engines : en
  • GB501673A - Improvements in radiators for the water-cooling systems of internal combustion engines : en
  • DE672502C - Arrangement for attaching electrical apparatus, instruments or the like to control panels : de en
  • FR838062A - Improvement in plate glass annealing furnaces : en fr
  • DE672237C - Rock percussion drill : de en
  • GB501497A - Improvements in or relating to the concentration of aliphatic acids : en
  • GB501513A - An improved process for hydrolysing cellulose and cellulose complexes : en
  • CA379727A - Knitting machine : en fr
  • CH203283A - Method and device for transporting stackable bulk goods on railroad cars and ships, and for transferring railroad cars into ships. : de en
  • CH203103A - Bottle cabinet. : de en
  • US2148876A - Beer skimmer : en
  • CH203318A - Process for the preparation of a water-soluble condensation product. : de en
  • GB501357A - Improvements in or relating to voltage regulation arrangements : en
  • GB501558A - Improvements in or relating to the treatment of fibrous materials to render the sameresistant to oil, grease and hydrocarbons : en
  • FR838234A - Improvements in methods and apparatus for vulcanizing strip materials : en fr
  • AU59438A - Improvements in or relating to electrical filter arrangements : en
  • BE432070A - : en fr
  • CA379844A - Chair headrest adjusting bracket : en fr
  • CH203138A - Process for the preparation of a mixture of new quaternary ammonium salts. : de en
  • CH203236A - Electrode system with asymmetrical conductivity. : de en
  • CH203315A - Process for the preparation of a water-soluble condensation product. : de en
  • GB501452A - Improvements in perambulators, baby carriages and the like : en
  • DE672324C - Wide beam sprinkler : de en
  • USD113611S - Design for a fish lube : en
  • FR838270A - Improvements to meters, pumps, compressors or positive displacement motors for all fluids : en fr
  • FR838353A - Improvements to bays, especially for vehicles : en fr
  • GB501642A - Improvements in or relating to the control of agricultural and horticultural pests : en
  • USD113502S - Design for a ventilator : en
  • US2148441A - Cyanine dyes derived from 2-methylthiazole derivatives : en
  • US2148833A - Manufacture of solvated rubber chloride compositions and the like : en
  • US2148971A - Process for the recovery of pure, concentrated sulphur dioxide : en
  • US2149149A - Leg band and hose supporter for foundation garments : en
  • DE672282C - Tipper system : de en
  • FR838136A - Improvements to dobbies for looms : en fr
  • US2148446A - Method and apparatus for multistage flotation : en
  • US2148956A - Method of and means for truing grinding disks : en
  • US2148814A - Camera, chiefly for cinematographs : en
  • US2148890A - Studio couch : en
  • US2149242A - Crate for milk bottles and the like : en
  • DE672257C - Process for the production of workpieces which are provided with hard metal supports or inlays : de en
  • DE672340C - Device for opening and closing flap shutters or similar outwardly opening leaves from inside the room : de en
  • FR838257A - Device for mooring front-wheel drive motor vehicles or the like, with a view to their towing : en fr
  • GB501474A - Improvements in and relating to electro magnetic induction apparatus and to the manufacture of the same : en
  • GB501661A - Improvements in or relating to photographic film : en
  • GB501580A - Four-wheeled bogie for high-speed vehicles, particularly railway vehicles : en
  • GB501725A - Improvements in portable electric torches : en
  • GB501823A - Improvements in electric switches : en
  • FR838128A - Temperature control process in industrial furnaces : en fr
  • DE672122C - Heating furnace for sheet metal, strips and similar rolling stock : de en
  • US2148750A - Fluid pressure brake : en
  • US2148624A - Display device : en
  • US2148689A - Insulated cabinet : en
  • US2148795A - Flexible coupling : en
  • GB501393A - Improvements in and relating to the operation of vertical carbonising retorts : en
  • GB501598A - Improvements relating to apparatus for drawing slivers in the manufacture of yarn : en
  • US2148510A - Storage battery-box composition : en
  • US2148532A - Radio repeater : en
  • US2148779A - Machine tool holder : en
  • US2148851A - Adjustable sleeve for robes and the like : en
  • FR838238A - Improvements to photographic lenses : en fr
  • FR838321A - Process for preparing 2-alkoxy-nitrobenzo-nitriles : en fr
  • FR838273A - Unique device for controlling two equal cylinders so that one has a different linear speed than the other : en fr
  • FR838245A - Improved device with circular leaf springs for radially elastic deformation wheels with rubber or steel tires : en fr
  • CH203150A - Process for the production of pressed pieces from bulk material and a binding agent. : de en
  • DE672398C - Hose made of inner armor with wire mesh and manufacturing process : de en
  • DE672563C - Fuse arrangement for high rated currents : de en
  • US2148515A - Machine gun mount : en
  • USD113606S - Design for a phonograph cabinet : en
  • US2148821A - Lubrication system for superchargers : en
  • US2148870A - Fender lamp : en
  • GB501486A - The manufacture of copper complex compounds of disazodyestuffs of the stilbene series : en
  • US2148712A - Multiple effect distillation of alcoholic liquids and the like : en
  • FR838263A - Watertight and unsinkable glider boat : en fr
  • GB501748A - Improvements in and relating to universal joints : en
  • GB501755A - Improvements in or relating to the manufacture of basic refractories : en
  • FR838167A - Improvements to electric lamps : en fr
  • US2148840A - Dispensing bottle : en
  • CH203332A - Process for the preparation of an azo dye containing complexed chromium. : de en
  • US2148705A - Azo compounds : en
  • CH203080A - Insecticidal gas generator fuel block. : en fr
  • GB501445A - Improvements in or relating to lagging jackets for domestic hot water cylinders : en
  • IE15335L - Thermal cut-out : en
  • FR838146A - Improvements to cans, metal cans and similar containers : en fr
  • DE667777C - Fluid container, in particular an ink bottle, with a closure cap serving to tilt it : de en
  • DE672431C - Process for the production of brushes with bristles held in a cement compound : de en
  • GB501525A - Improvements in or relating to exercising apparatus : en
  • FR838179A - Liquid fuel economizer device applicable to combustion engine carburetors : en fr
  • DE672307C - Device for regulating electrical voltages or currents by means of a resistor composed of carbon disks : de en
  • US2148550A - Printing device : en
  • USD113507S - Design fob a beverage service : en
  • USD113576S - Design fob a shoe : en
  • USD113609S - Design fob a bedspread : en
  • CA379734A - Food product processing : en fr
  • US2148736A - Mascara container and applicator : en
  • DE672322C - Coin channel arrangement for self-checkers : de en
  • AU105338A - Improvements in and connected with draught controlled stump jump mechanism of cultivating implements : en
  • DE672369C - Process for the preparation of 2,6-dimethylnaphthalene-8-sulfonic acid : de en
  • DE672402C - Rudder lock for aircraft : de en
  • DK55891C - Bicycle saddle. : da en
  • FR838144A - Spinning reel and stand for rayon spinning machines : en fr
  • US2149054A - Fish lure : en
  • CA379771A - Indexing mechanism for machine tools : en fr
  • CA379840A - Game ball elastic support : en fr
  • CH203226A - Machine for winding and punching sheet metal strip for the production of ring-shaped magnetic cores for dynamo machines. : de en
  • CH203325A - Process for the preparation of a pentakisazo dye. : de en
  • USRE21016E - Button sewing machine : en
  • DE672440C - Method for attaching pole pieces to an armature for small electric motors consisting of three sheet metal legs arranged in a star shape : de en
  • PL27986B1 - Seamless tube rolling mill. : en pl
  • US2148443A - Liquid-fuel meter : en
  • USD113592S - Design for a bedspread : en
  • CH203234A - Protective device for electrical system parts in alternating current networks. : de en
  • CA379789A - Anti-friction bearing : en fr
  • DE671313C - Method of fastening bearings : de en
  • DE672489C - Manufacture of cation exchangers from grainy activated carbon : de en
  • PL27977B1 - The method of processing aluminosilicates. : en pl
  • US2148564A - Power transmission gearing assembly : en
  • DE672454C - Self-seller : de en
  • CH203240A - Electric discharge tube with electrostatic deflection. : de en
  • CH203300A - Reversing gear with bevel gears and friction clutches and coaxial driving and driven shaft. : de en
  • AU131738A - Means for manually operating the treadle ofa sewing machine orthe like : en
  • CH203224A - Cooling container with a cylindrical cooling space and a compressorless cooling device for cooling. : de en
  • DE672336C - Stand device for bicycles u. like vehicles : de en
  • CH203155A - Process for drying paper and similar webs of material with the aid of high-frequency electrical fields. : de en
  • CA379763A - Chemical product : en fr
  • CA379820A - Layer formation on iron and steel articles : en fr
  • US2149245A - Heat treating furnace : en
  • USD113512S - Design for a coffee maker : en
  • FR838087A - Improvements made to the production of anchor bolts or similar metal fittings for floors, ceilings and walls : en fr
  • BE432005A - : en
  • DE672529C - Pusher arrangement, especially for locks of motor vehicles : de en
  • US2148673A - Machine for making zipper fasteners : en
  • DE672354C - Process for impregnating electrical insulation materials with mineral oils of a saturated character : de en
  • DE672560C - Isolating switch with double knife : de en
  • AU59538A - Improvements in or relating to electrical oscillation generators operating onthe retarding field principle : en
  • DE667172C - Weather protection for cyclists : de en
  • CH203207A - Variable transmission gear. : de en
  • AU500137A - Improvements in amplifying devices for use at telephone subscribers stations : en
  • FR838311A - New fixed-toe belt : en fr
  • FR838178A - Elastic disc wheel for railway and tram cars : en fr
  • USD113534S - Design for a combined cane and fold : en
  • GB501470A - Process for the manufacture of sliding clasp fastener bands having electrolytically oxidised sliding clasp fastener members : en
  • GB501595A - Manufacture of nitrogenous artificial materials : en
  • GB501471A - Improvements in or relating to four-stroke internal-combustion engines : en
  • AU106677B2 - Improvements in or relating to electric oscillation generators : en
  • SU54473A1 - The method of preparation of anti-nicotine cotton wool by impregnating it with salts of iron : en ru
  • FR838052A - Airplane launch device : en fr
  • GB501392A - Improvements in or relating to spraying apparatus : en
  • US2148579A - Recovery of fermentation products and the like : en
  • USD113597S - Design for a bedspread : en
  • US2148574A - Nondazzle lamp : en
  • GB501446A - Improvements in or relating to radio receivers : en
  • AU106651B2 - Detachable upholstery for upholstered furniture : en
  • US2148988A - Knitted fabric : en
  • US2149101A - Cathode ray tube : en
  • US2149053A - Gas receptor : en
  • GB501361A - Improvements in or relating to repeater stations for electric signal transmission systems : en
  • US2149185A - Reciprocating liquid pump : en
  • GB501678A - Improvements in or relating to building blocks : en
  • GB501824A - Improvements in or relating to wireless reception apparatus : en
  • DK55876C - Automatic Fine Tuner for Radio Receivers or Other High Frequency Amplifiers. : da en
  • GB501520A - Improvements in the electrical production of musical tones : en
  • GR8030B - ELECTRIC HEATER AUTOMATICALLY ADJUSTABLE. : el en
  • AU65838A - Electrical tension or voltage control devices orthe like : en
  • CH203253A - Device for producing slice images of the body by means of X-rays. : de en
  • GB501572A - Improvements in motor vehicles with rear engine : en
  • FR838164A - Attachment for transmission belt : en fr
  • GB501459A - Improvements relating to folding tables and the like : en
  • GB501541A - Improved method of and means for producing illuminating effects : en
  • US2148655A - Coloration of textile materials : en
  • US2148899A - Pipetting machine : en
  • US2148442A - Flying toy : en
  • US2149170A - Lustrous rubber article : en
  • USD113515S - Design fob a projector : en
  • DE672525C - Device for automatically dropping leaflets or the like for hanging on a balloon : de en
  • US2148554A - Adhesive : en
  • US2148648A - Self-closing bag : en
  • DE672405C - Beating machine or the like for cotton : de en
  • FR838109A - Insulator in the form of an elongated bar, in ceramic material : en fr
  • FR838117A - Improvement in reservoir pen holders : en fr
  • GB501669A - Improvements in the manufacture and production of interpolymerisation products : en
  • DE672459C - An ignition timing gauge that can be attached to an internal combustion engine : de en
  • US2148934A - Cinematographic camera : en
  • DE672523C - Process for the production of corrosion-preventing oxide layers on light metals and light metal alloys : de en
  • US2148523A - M baermann : en
  • GB501382A - A combined water heater and hot water storage tank : en
  • GB501483A - Improvements in and relating to circular grinding machines : en
  • US2148728A - Grain puffing machine : en
  • US2148990A - Ornament : en
  • GB501456A - Improvements in or relating to brackets for pulleys or the like guide elements : en
  • GB501544A - Bedside cabinet : en
  • GB501809A - Improvements relating to apparatus for moulding thermo-plastic material by injection : en
  • DE672246C - Push button timer : de en
  • DK55883C - Straw press. : da en
  • ES144243A2 - NEW IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • FR838383A - Flexible transmission couplings : en fr
  • US2148862A - Anticorrosion agent : en
  • US2148948A - Muffler : en
  • US2149051A - Water-insoluble azo dyestuffs : en
  • US2149142A - Holder : en
  • FR838180A - Device for pulse generation : en fr
  • GB501465A - An improved firelighter : en
  • US2149123A - Loading spout holder : en
  • DE672304C - Remote transmission device powered by alternating current : de en
  • DE672382C - Multi-stage water ring pump : de en
  • DE672472C - Trigger device with a bolt, which is supported with its free end under the pressure of the cocked firing pin on the upper end of the upwardly directed arm of a support lever : de en
  • FR838184A - Process for preparing interesting transformation products of the constituents of carob : en fr
  • DE672465C - Support plate for photographic layer supports to be placed in bowls or tubs during their treatment : de en
  • GB501495A - Improvements in or relating to the manufacture of filaments, foils and other structures from viscose : en
  • US2148592A - System for flowing wells : en
  • US2148918A - Pump, more particularly beer pump : en
  • US2148954A - Electric tele-indicator device : en
  • US2148933A - Metal fixture for reclining chairs : en
  • DE672559C - Overhead line consisting of power supply and return line : de en
  • DE672458C - Fuel delivery system for fuel injection engines : de en
  • DE672469C - Braking device for window and door leaves to hold them in place automatically when they are swung out : de en
  • DE672441C - DC-DC converter : de en
  • GB501685A - Improvements in or connected with electrical musical instruments : en
  • GB501353A - Improvements in or relating to impulse sending arrangements for use in telephone or like systems : en
  • DE672556C - Traffic signs for pedestrian crossings at road crossings : de en
  • FR838291A - New football game and mechanism : en fr
  • FR838301A - Roller Skate Improvements : en fr
  • GB501381A - Improvements in electric discharge lamps : en
  • US2148911A - Grabhook : en
  • CA379778A - Diazotype layer : en fr
  • US2148485A - Saddle insole support and cover : en
  • IE15488L - Thief-proof screw : en
  • FR838348A - Improvements to industrial torch nozzles : en fr
  • GB501581A - An improved method of and apparatus for detecting foreign metallic matter in non-metallic materials : en
  • US2148873A - Method for making ducts : en
  • US2149153A - Permanent waving apparatus : en
  • US2149165A - Portable take-down structure : en
  • DK55896C - Machine for Rolling Hollow Cylindrical Bodies of Fibrous Cement. : da en
  • GB501566A - Improvements in accounting machines : en
  • US2148494A - Glass forming machine : en
  • US2148666A - Portable blowpipe machine : en
  • US2149160A - Method for purifying steam : en
  • US2149131A - Cooking device and method : en
  • FR838292A - Manufacturing process of molded plastic and decorated objects : en fr
  • IE15907L - Wired radio systems : en
  • FR838203A - Automatic central office teleprinter systems : en fr
  • GB501359A - Air purification : en
  • FR838258A - Process for manufacturing acetone and butyl alcohol by fermenting molasses : en fr
  • FR838299A - New process for separating a solid from a liquid : en fr
  • GB501377A - Improvements relating to electric switches especially suitable for use with alternating current : en
  • DE672421C - Bearing for a fast rotating work or tool spindle of a machine tool : de en
  • FR838340A - Device for controlling the grinding segment in grain roller mills : en fr
  • GB501510A - Improvements in or relating to the cuffs of shirts and other sleeved garments : en
  • FR838382A - Improvements to liquid thermometric devices : en fr
  • US2148901A - Automatic hose coupler : en
  • US2149246A - Method of manufacturing hollow glass articles : en
  • DE672332C - Electric musical instrument : de en
  • GB501662A - Improvements in or relating to brackets for pulleys or the like guide elements : en
  • DE672329C - Process for straightening and bending belt staves upright : de en
  • GB501570A - Improvements in or relating to tobacco feeding apparatus for cigar making machines : en
  • DE672540C - Switch switch for signal boxes without mechanical locks : de en
  • FR838182A - Set of phones working out loud : en fr
  • GB501711A - Improvements in absorption refrigerating machines : en
  • CH203074A - Cutter bars for mowers. : de en
  • CH203154A - Process for the manufacture of mirrors. : de en
  • FR838081A - Improvements to compensating devices for guiding hangar doors : en fr
  • FR838069A - Improvements in navigation or flight instruments : en fr
  • FR838130A - Razor blade : en fr
  • FR838133A - Tensioner bracket for fishing line : en fr
  • US2148757A - Detachable ornament : en
  • USD113533S - Design for a coat : en
  • FR838169A - Improvement in cleaning products and the like : en fr
  • FR838384A - Colloidal fertilizer : en fr
  • GB501696A - Telephone handset with combined transmitter and dial : en
  • DE672462C - Chain wheel drive with two axially displaceable pairs of conical pulleys and a wedge link chain : de en
  • FR838054A - Telegraph installation : en fr
  • GB501547A - Improvements in amusement apparatus : en
  • GB501660A - Improvements in or relating to trunk communication cables for multiple carrier frequency systems : en
  • DE672432C - Process for the production of pure aluminum hydroxide : de en
  • USD113596S - Design for a bedspread : en
  • GB501751A - Improvements in or relating to extensible bands applicable for or in connection with personal attire : en
  • US2148941A - Desk set : en
  • CH203296A - Velo clamping device. : de en
  • DE672552C - Process for the production of almost graphite-free boron carbide : de en
  • FR838265A - Improvements to the aeration and safety of light hydrocarbon transport tanks or the like : en fr
  • FR838267A - Improvements to convertible sofas : en fr
  • GB501500A - Improvements in and relating to the coating of articles by cathode disintegration : en
  • USPP315P - Daphne : en
  • GB501466A - Improvements relating to vehicle wheels : en
  • FR838106A - Process for treating cellulosic materials, such as paper and fabrics, to make them water resistant : en fr
  • GB501554A - Improvements for lifting jacks : en
  • GB501368A - Improved method of manufacturing moulded rubber heels or rubber sheet-like material : en
  • GB501490A - Improvements in the manufacture of electric discharge tubes containing fluorescent screens : en
  • GB501597A - Improvements relating to artificial flies for fishing : en
  • GB501607A - Improvements in or relating to brackets for pulleys or the like : en
  • US2148783A - Expanding ring for tunnel linings : en
  • USRE21014E - Electric amplifier : en
  • CA379737A - Electric welding machine : en fr
  • US2148475A - Concentration of metalliferous ores by froth flotation : en
  • US2148603A - Cartridge simulating device for use in toy pistols and the like : en
  • GB501687A - Improvements in production of pile surfaced materials : en
  • FR838283A - Flame retardant products stable to bad weather, usable for the manufacture of paints and coatings for fabrics, etc. : en fr
  • GB501449A - Improvements relating to means for rendering control systems irreversible : en
  • GB501715A - Method for detaching small closure parts and device for carrying out said method : en
  • PL27913B1 - A method of processing bearings, bearing bushings or the like, and the device for carrying out the method. : en pl
  • GB501625A - Improvements in or relating to devices for positioning friction linings on brake shoes during riveting : en
  • DE672419C - Carburetor with a main mixing room and an auxiliary mixing room connected to this, which is used to generate an overrun mixture : de en
  • USD113504S - Design fob a paper napkin dispenser : en
  • FR838177A - Machine for gluing samples, or the like, on supports : en fr
  • FR838276A - Improvements to mobile barriers : en fr
  • GB501722A - Improvements in and relating to apparatus for removing incrustations from gas-heated liquid heaters : en
  • BE432189A - : en
  • CA379828A - Spark plug : en fr
  • FR838274A - New system of gears with non-circular pitch curves : en fr
  • US2148732A - Electric switch : en
  • FR838140A - Process for recovering olefin oxides from gas mixtures and for hydrolysis to give the corresponding glycols : en fr
  • US2148608A - Dispersion apparatus : en
  • US2148959A - Internal hexagonal stop nut and method of making same : en
  • USD113556S - Design fob a coat : en
  • USD113554S - Design for a tractor : en
  • US2148713A - Damper : en
  • PL27948B1 - Variable transmission for bicycles. : en pl
  • GB501451A - Improvements in or connected with doors for ovens, hot presses and other chambers : en
  • FR838214A - Bearing recorder for maritime or air navigation : en fr
  • FR838315A - Air conditioning distribution outlet : en fr
  • AU106881B2 - Process of manufacture of reticulated surface vulcanized rubber sheet : en
  • US2148825A - Grass receiver : en
  • DE672460C - Device for controlling an intermediate cooler for pre-compressed air for charging an internal combustion engine through the flow of cooling air through flaps or the like. : de en
  • USD113608S - Design for a bedspread : en
  • CA379814A - Mercury switch : en fr
  • GB501737A - Sighting instrument for determining altitudes : en
  • AU106637B2 - Electrical tension or voltage control devices orthe like : en
  • BE431969A - : en
  • PL27936B1 - Device for signaling empty seats in the audience. : en pl
  • CA379728A - Knitting method : en fr
  • US2148865A - Interlocking system for railroads : en
  • US2149090A - Undertaker's transfer device : en
  • US2149231A - Frequency changer system for multiple range receivers : en
  • USD113495S - Design for a combined washing : en
  • DE672571C - Piston machine with cylinders arranged parallel to a shaft provided with an inclined crank : de en
  • US2148861A - Impression mechanism : en
  • FR838199A - : fr
  • DE672443C - Sootblower with a rotatable blowpipe and control of the blower caused by the rotation of the latter : de en
  • GB501557A - Improvements in and relating to ladder rungs : en
  • DE672390C - Device for the continuous impregnation of wood wool : de en
  • FR838268A - Brake for motor vehicles and for all rotating parts : en fr
  • USD113540S - Design for a wheeled toy figure : en
  • FR838077A - Melting and foundry device : en fr
  • DE672379C - Manufacture of basic lead chromates suitable for rust protection purposes : de en
  • GB501704A - Improved friction gearing : en
  • US2148776A - Front axle wheel and brake assembly : en
  • GB501723A - Improvements in or relating to benzine safety lamps having electric ignition, particularly for use in mines : en
  • USD113575S - Design fob a game board : en
  • FR838212A - Advanced roasting spit : en fr
  • CA379811A - Yarn manufacture : en fr
  • CH203311A - Holder for hanging the lower leg dress on the men's trousers. : de en
  • AU106644B2 - Improvements in or relating to electrical conductors : en
  • CA379801A - Weighing scale : en fr
  • CA379832A - Plant product curing process : en fr
  • CH203319A - Process for the preparation of a water-soluble condensation product. : de en
  • DK55875C - Procedure and Apparatus for Graveling of Roads. : da en
  • AU106665B2 - Improvements in and connected with draught controlled stump jump mechanism of cultivating implements : en
  • CH203198A - Electrically powered shaving machine. : de en
  • AU106659B2 - Improvements in or relating to electric discharge tubes : en
  • DE672281C - Motor-driven, easily movable device for relocating grains : de en
  • FR838067A - Device for the gradual flow of paste materials (cream, ointment, soap, etc.) contained in reservoirs such as jars, flasks, small bottles and the like : en fr
  • CA379743A - Steel manufacture : en fr
  • AU106648B2 - Photoelectric tubes : en
  • DE672330C - Process for the production of undivided, dimensionally stable bearing bushes provided with a longitudinal joint by cold means : de en
  • US2148572A - Method of treating rubber : en
  • US2148631A - Device for screening off secondary x-rays : en
  • US2148957A - Diaphragm pump : en
  • US2149028A - Convertible printing press : en
  • US2149119A - Fluid seal for fire hose reels : en
  • USD113563S - Design for a locomotive body : en
  • US2148598A - Relay : en
  • US2148806A - Utility indicator : en
  • US2149117A - Transmission : en
  • US2148991A - Refrigerator : en
  • US2149192A - Collar supporting means : en
  • USD113530S - Design fob a sign : en
  • AU5138A - Synchronisation apparatus : en
  • CH203227A - Electric machine with self-ventilation. : de en
  • CA379772A - Heater : en fr
  • CA379845A - Vehicle undercarriage : en fr
  • CH203192A - Method and device for welding by means of a welding head. : de en
  • US2148770A - Filtering and dehydrating device for the refrigerant in mechanical refrigerators : en
  • US2149046A - Imparting stiffening, body, or finish to textiles and the like in laundering and other operations : en
  • US2149175A - Radio receiving system : en
  • USD113489S - Design for an animal blanket : en
  • US2148930A - Metallic sash for windows and like bays : en
  • GB501681A - Improvements in the manufacture and production of colour lakes : en
  • DE672337C - Bicycle kick : de en
  • PL27923B1 - A method of producing food or confectionery products. : en pl
  • US2148996A - Device for twisting textile threads : en
  • US2148565A - Friction shock absorbing mechanism : en
  • US2149130A - Sheet feeder : en
  • USD113599S - Design fob a bedspread : en
  • CA379849A - Vehicle radiator baffle : en fr
  • CH203167A - Ski made from several parts glued together. : de en
  • DK55894C - Rear light with reflective front glass, especially for bicycles. : da en
  • CH203309A - Auxiliary device for initiating the winding process on winding machines. : de en
  • CH203314A - Process for the preparation of a water-soluble condensation product. : de en
  • PL27968B1 - A crank device for moving the number dial of an automatic telephone set. : en pl
  • US2148868A - Control system : en
  • CH203176A - Adjustable magnetic shunt to the drive flow of the current iron for Ferrari meters. : de en
  • GB501724A - Improvements in and relating to luggage and like compartments of motor road vehicles : en
  • US2149244A - Galvanometer : en
  • CH203205A - Connection piece for flexible pipelines to be connected to machines, especially high-pressure presses. : de en
  • SU54531A1 - Apparatus for separating stones and other heavy impurities from the grain : en ru
  • AU501437A - Improvements relating tothe treatment of materials with and tothe establishment of volatile solvents : en
  • AU106671B2 - Process forthe manufacture of branched or more highly branched alkenes from non or less branched alkenes : en
  • AU323438A - Improvements in upholstery springing : en
  • AU106634B2 - Improvements in or relating to electrical filter arrangements : en
  • CA379759A - Pressure container : en fr
  • CH203182A - Crown winder. : en fr
  • CH203186A - Process for treating substances containing tantalum and niobium, with a view to obtaining a product containing the oxides of tantalum and niobium. : en fr
  • DE672277C - Seal for locks on air raid shelters : de en
  • US2148621A - Glass composition : en
  • US2148684A - Pencil eraser tip : en
  • FR838201A - Explosion engine for toys : en fr
  • US2148609A - Steering column lock : en
  • US2148710A - Solvent extraction of lubricating oils : en
  • US2149014A - Speed changing mechanism : en
  • CH203241A - Method and template for manufacturing spiral capacitor electrodes. : de en
  • US2148581A - Method of manufacturing fastening members for sliding-clasp fasteners : en
  • FR838286A - Injection pump for combustion engine : en fr
  • CH203101A - Closing plugs for containers. : de en
  • CH203223A - Chiller with a rotary compressor. : de en
  • CA379742A - Rate of climb indicator : en fr
  • PL27942B1 - Process for the production of unsaturated ketones of the cyclopentane polyhydro phenanthrene series from the corresponding secondary alcohols. : en pl
  • US2149179A - Method of improving tobacco by fermentation : en
  • US2148560A - Signaling system : en
  • US2148798A - Dump body truck : en
  • USD113490S - Design for a handbag frame : en
  • US2148737A - Insect excluder : en
  • US2148760A - Calculating machine : en
  • DE672436C - Key lever bearing for type lever typewriters with inclined segment : de en
  • FR838320A - Alloy for bearings : en fr
  • DE672250C - Sensitive relay : de en
  • US2148580A - Locomotive coupler structure : en
  • GB501568A - Improved shock-absorbing device for the steering gear of motor road vehicles : en
  • CH203200A - Bracelet clasp. : de en
  • DE672261C - Device for the production of aerial photos of an uneven terrain : de en
  • US2148880A - Automatic toggle joint cut-out switch : en
  • US2149173A - Forming machine : en
  • US2148801A - Switch : en
  • CH203285A - Hay drill. : de en
  • DE672507C - Arrangement for branch stations for electrical energy transmissions : de en
  • FR838224A - New dyes : en fr
  • CH203282A - Box. : de en
  • GB501352A - Improvements in or relating to padding condensers for superheterodyne radio receivers : en
  • BE431992A - : en
  • DE672349C - Iron pit stamp made of two sliding U-irons : de en
  • FR838343A - Coating for refractory bricks : en fr
  • FR838162A - Method of manufacturing pipes in vertical molds by means of masses bound by a liquid, and device carrying out said method : en fr
  • CA379726A - Signal selecting system : en fr
  • AU365138A - An improved bearing : en
  • CH203134A - Process for the production of butadiene. : de en
  • CH203214A - Cooling device for internal combustion engines. : de en
  • CH203131A - Process for the preparation of 3-acetoxy-bisnor-5-cholenic acid. : de en
  • GB501363A - Directional indication and control means for dirigible craft : en
  • FR838160A - Lotto games improvement : en fr
  • CA379752A - Thermoplastic tubular article manufacture : en fr
  • US2148470A - Process of purifying sodium hydroxide : en
  • US2148651A - Metatarsal gauge : en
  • US2148835A - Lawn mower : en
  • US2148878A - Sewing machine ruffler : en
  • US2148908A - Mechanical stage : en
  • GB501670A - Improvements relating to the recovery of condensing agents : en
  • US2148635A - Headlamp construction : en
  • US2149092A - Saturable core detector : en
  • GB501389A - Improvements in or relating to apparatus for performing chemical reactions : en
  • GB501840A - Improvements in and relating to the removal of sulphur dioxides from gases : en
  • FR838387A - Transformer for sawtooth currents : en fr
  • DE660917C - Process for the production of tanning images by dusting drawings or writings using tanning powder and squeezing onto moist gelatin layers : de en
  • DE672410C - Procedure for operating filters for liquids : de en
  • DE672519C - Pressure device for scales : de en
  • FR838279A - Process for the preparation of fat compounds : en fr
  • US2148481A - Press clutch : en
  • US2149236A - Azodyestuffs insoluble in water and fiber dyed therewith : en
  • DE672453C - Self-seller : de en
  • AU59738A - Improvements in or relating to directional aerial systems : en
  • DK55877C - Intermediate frequency overlay receive coupling. : da en
  • FR838135A - Tie holder : en fr
  • FR838303A - Method and apparatus for the manufacture of fuel agglomerates and resulting products : en fr
  • US2148429A - Production of alkali and alkaline earth metal nitrates : en
  • FR838209A - Propeller refinements : en fr
  • US2148540A - Musical instrument attachment : en
  • GB501682A - Improved treatment and drying of blood and blood constituents for industrial use : en
  • CH203244A - Fixing device for rectifier anodes. : de en
  • PL27971B1 - Spark plug. : en pl
  • USD113545S - Design fob a bedspread : en
  • GB501472A - Improvement in flying machines : en
  • GB501695A - Improvement in pressure reducing and regulating valves : en
  • US2149197A - Manufacture and production of staple fiber : en
  • US2148869A - Manufacture of asphalt : en
  • USD113573S - Design fob a slip : en
  • FR838098A - Reciprocating steam engine with exhaust steam turbine intended for propelling ships : en fr
  • GB501534A - Improvements in or relating to the purification of air : en
  • US2148656A - Suction cleaner : en
  • US2148647A - Apparatus for fractionating liquids and vapors : en
  • PL27934B1 - Adjustable generator holder for bicycle lighting. : en pl
  • US2148529A - Device for crushing and pulverizing materials : en
  • CH203107A - Automatic bag winder with feeler wheel. : de en
  • US2149211A - Colored rubber products and a process of producing them : en
  • US2148628A - Gate valve : en
  • US2148778A - Refrigerator lighting fixture : en
  • GB501538A - Improvements in or relating to multipling machines : en
  • DE672240C - Arrangement for amplification and for frequency and phase equalization of electrical vibrations transmitted over a line : de en
  • GB501481A - A process and apparatus for drying and conveying tubular products particularly artificial sausage skins : en
  • IE15487L - Oil cooler for i.c. engines : en
  • US2148584A - Electrical measuring system : en
  • DE672438C - Device to avoid radio reception interference caused by pantographs of electric traction vehicles : de en
  • FR838271A - Improvement in gas supply devices for variable speed engines, in particular motor vehicle engines : en fr
  • CA379793A - Container : en fr
  • USD113562S - Design for a combination container : en
  • GB501488A - Improved method of making hard metal alloys and articles made therefrom : en
  • GB501837A - Improvements in advertising devices : en
  • FR838102A - Improvements made to lock nuts : en fr
  • FR838239A - Device for verifying, in normal service, transformers supplying electrical energy meters : en fr
  • GB501810A - Improvements in or relating to the production of flexible films or coatings of polymerised organic liquids : en
  • US2148733A - Crossing gate structure : en
  • USD113583S - Design for a bedspread : en
  • FR838053A - Purification of vinylacetylene : en fr
  • US2148589A - Neck construction of stringed musical instruments : en
  • DE672319C - Ratchet drive for chain pulley blocks with axial pressure brake : de en
  • FR838132A - Footwear insole : en fr
  • FR838325A - Advanced device for displaying and dispensing soap tablets or the like : en fr
  • GB501671A - Process for the manufacture of polymeric carboxylic acids and their derivatives : en
  • FR838262A - Aircraft turret and machine gun twin with automatic aim correction : en fr
  • FR838296A - Method for measuring lateral drift of aircraft and boats : en fr
  • FR838082A - Long, fast-moving hopper car : en fr
  • GB501667A - Improvements relating to filters : en
  • US2148946A - Device for discharging materials : en
  • DE672300C - Process for the conservation of manure and liquid manure : de en
  • DE672549C - Stapling pliers : de en
  • FR838057A - Binder for clipping forms and the like : en fr
  • US2148879A - Broiler : en
  • US2148855A - Guide for reciprocating platens : en
  • USD113559S - Design fob a cigarette box or : en
  • US2148518A - Piston ring : en
  • GB501836A - Improvements in or relating to processes for engraving metals : en
  • DE672470C - Process for the production of footwear with a sliding heel : de en
  • DE672526C - Process for the production of strong cardboard from cellulose-containing materials, in particular from straw or a mixture of different types of straw : de en
  • DE672527C - Method of making a multicolor image : de en
  • GB501831A - Improvements in and relating to electric control systems : en
  • CA379802A - Copper electrodeposition : en fr
  • CH203220A - Magneto. : de en
  • US2148437A - Reaction products of 2-methyl-1, 3-dichloropropane and alcohols : en
  • USD113572S - Design for a : en
  • GB501590A - A process for the manufacture of washing, cleansing, wetting and emulsifying agents : en
  • CH203100A - Toothbrush. : de en
  • CH203256A - Base rod for extension devices. : de en
  • FR838181A - Double-walled container and method of making it : en fr
  • CH203091A - Combination lock, keyless. : en fr
  • CH203320A - Process for the preparation of a water-soluble condensation product. : de en
  • US2149021A - Means and method of filleting fish : en
  • FR838189A - Process for producing highly concentrated olefins : en fr
  • FR838335A - Improvement provided in the establishment of pruning retaining timber : en fr
  • US2148761A - Boiler feeding apparatus : en
  • US2149081A - Tent stake : en
  • CH203286A - Braking system on motor vehicles with internal combustion traction engine. : en fr
  • US2149230A - Compensating blade clamp : en
  • AU106679B2 - Improvements in electric discharge lamps adapted for use as sources in optical projection apparatus : en
  • GB501416A - Improvements in apparatus for winding electro motor or dynamo armatures : en
  • US2148669A - Purification of quinone : en
  • PL27917B1 - The method of directing the landing of the aircraft and the device for the application of this method. : en pl
  • FR838149A - Electronic lens enhancements : en fr
  • FR838196A - Sofa : en fr
  • FR838378A - Machine for nailing heels to shoes : en fr
  • US2148638A - Compressor unit : en
  • US2148506A - Reproducing machine : en
  • US2148904A - Method for the treatment and utilization of scrap or waste leather : en
  • PL27957B1 - : en pl
  • US2148436A - Wall construction for buildings : en
  • US2148953A - Adjustable seat with movable back for airplanes : en
  • GB501384A - Improvements in or relating to stencilling-apparatus for marking, lettering and/or otherwise decorating surfaces of articles : en
  • GB501637A - Improvements in production of pile surfaced materials : en
  • DE672247C - Electromagnetic overcurrent switch : de en
  • GB501388A - Improvements in or relating to the preparation of compositions containing urea-formaldehyde condensation products : en
  • US2148963A - Photographic camera : en
  • ES144251A2 - A CONSTRUCTION SYSTEM FOR BURNERS OF GASIFIED LIQUID FUELS, IN PARTICULAR HEAVY OILS : en es
  • GB501420A - Improvements in or relating to printing telegraph apparatus : en
  • GB501506A - Improved handle for carrier bags and parcels : en
  • DE672434C - Process for the production of higher molecular sulphides : de en
  • DE672416C - Device for casting elongated, full metal parts : de en
  • DE672417C - Automatic scales for the grain flow on pickling devices : de en
  • DE672482C - Flat weft knitting machine for the manufacture of weft weave : de en
  • DE672536C - Belt conveyor with support rollers formed from a helical spring : de en
  • DE672501C - Step transformer arrangement for feeding one or more motors : de en
  • GB501806A - Improvements in the production of coloured artificial filaments, foils and the like : en
  • FR838094A - Machine for pulling plants, especially beans : en fr
  • FR838345A - Manufacturing process for pearl or granulated dust-free starch : en fr
  • GB501805A - Improvements in the production or treatment of pigments and textile and other materials containing them : en
  • US2148812A - Venetian blind : en
  • US2149169A - Dry cell : en
  • FR838275A - Device for marking the position of a rotating axis and its application to the dials of t. s. f. : en fr
  • GB501816A - Improvements in or relating to cathode ray apparatus : en
  • CH203162A - Process for the production of diazotypes. : de en
  • PL27944B1 - A method of producing foam from a substantially unccoagulated mixture of rubber milk to make sponge rubber therefrom. : en pl
  • US2149091A - Cellulosic article : en
  • CA379730A - Cigar wrapping tear strip : en fr
  • CH203221A - Centrifugal governor, in particular for the fuel supply in internal combustion engines. : de en
  • PL27939B1 - Breathing apparatus. : en pl
  • US2148947A - Golf bag support : en
  • AU106687B2 - Improvements in or relating to electrical communication systems : en
  • AU323538A - Detachable upholstery for upholstered furniture : en
  • AU323038A - Improvements mn latches for gates and doors : en
  • USD113589S - Design for an ash receptacle : en
  • DE672425C - Trough chain conveyor : de en
  • DE672537C - Device for measuring the length of lengths of fabric : de en
  • GB501569A - Improvements relating to coin-freed vending apparatus : en
  • AU106692B2 - An improved antiglare device for road vehicle headlamps : en
  • CA379781A - Multi-ply paper sack : en fr
  • CH203090A - Agitator for liquids, especially for manure. : de en
  • CA379780A - Circular collector : en fr
  • BE432111A - : en
  • CH203174A - Process and device for registering measured quantities. : de en
  • CH203294A - Crankset for bicycles. : en fr
  • US2149190A - Agricultural implement : en
  • US2148538A - Electron discharge device : en
  • CH203156A - Process for the production of carbonless paper. : de en
  • CH203235A - Closed fuse cartridge. : de en
  • PL27941B1 - Device for grinding surfaces of hard materials. : en pl
  • US2148698A - Fabricated metal panel : en
  • US2148675A - Conditioning metal stock : en
  • US2148696A - Apparatus for removing the solvent from solutions of resilient substances which are applied in considerable thickness to the single sheets of laminated glass for forming the nonsplintering intermediate layers : en
  • USD113551S - Design for a range : en
  • USRE21018E - Combined automatic volume and tone : en
  • CA379782A - Automobile bumper : en fr
  • CH203087A - Mold for the manufacture of concrete pipes. : de en
  • CH203157A - Accounting form with column division. : de en
  • DE672381C - Release device for knitting machines : de en
  • CH203209A - Machine with a piston rotating in an annular chamber. : de en
  • CA379757A - Pasteurizer and churn shaft packing box : en fr
  • CH203239A - A method for manufacturing an electric discharge tube and a discharge tube manufactured by this method. : de en
  • CH203259A - Process for the preparation of a thiazolium salt. : de en
  • DE672429C - Machine for making coils from wire or the like. : de en
  • DE672562C - Arrangement for tipping batteries : de en
  • FR838288A - Perfected whale : en fr
  • BE432165A - : en
  • CH203345A - Device for eliminating disruptive light reflections in photographic recordings by analyzers. : de en
  • GB501720A - Improvements in the construction of links for endless tracks of vehicles, tractors, excavators, conveyors and the like : en
  • CH203204A - Device for fastening sheet metal to support members. : de en
  • CH203331A - Process for the preparation of a disazo dye. : de en
  • CA379787A - Oil processing : en fr
  • CH203255A - Extension device. : de en
  • US2148809A - Road machine : en
  • CH203191A - Method and device for processing magnesium and its alloys in press casting machines. : de en
  • GB501351A - Improvements in or relating to coke ovens : en
  • US2149159A - Brake mechanism for motor vehicles : en
  • AU422638A - Improvements in circuits for operating electric discharge devices : en
  • FR838083A - Speed variator : en fr
  • CH203125A - Method for producing a feed. : de en
  • DE672152C - Tool carrier, especially flying boring bar for fine boring work : de en
  • CH203347A - Connection for pipes without thread. : de en
  • DE672575C - Automatic flap valve for devices for pumping small amounts of gas or liquid under high pressure : de en
  • FR838225A - New azo dyes : en fr
  • CH203081A - Coating for constructions. : en fr
  • CH203257A - Process for the preparation of a new ester. : de en
  • DK55895C - Toy carousel. : da en
  • FR838356A - Improvements made to ticket checking devices, in particular with a view to canceling them : en fr
  • US2148887A - Stationery form and envelope : en
  • USRE21019E - Bathtub : en
  • CH203242A - Mercury cathode converter tube with shielded auxiliary discharge and an ignition control anode to regulate the directed current. : de en
  • BE432006A - : en
  • CA379812A - Yarn manufacture : en fr
  • CH203130A - Process for the preparation of essentially pure salts of acidic esters of polybasic inorganic acids. : de en
  • DE672566C - Shelf support for cupboards, shelves, etc. like : de en
  • US2148431A - Head harness and canister support : en
  • US2148610A - Cultivator : en
  • GB501505A - An improved rotary pump or meter : en
  • DE672316C - Method and device for casting hollow bars and other hollow cast bodies : de en
  • DE672371C - Process for the preparation of aromatic amines containing the trifluoromethyl group : de en
  • DE672430C - Device for turning the elliptical intermediate workpieces in the new rolling direction when producing circular sheet metal disks by rolling them out several times in different directions : de en
  • FR838159A - New packaging for liquid food and others : en fr
  • DE672509C - Automatic contactor starter for AC motors : de en
  • GB501347A - Improvements in and connected with the jointing of pipes to tanks, cylinders and thelike : en
  • CA379834A - Elastic knitted fabric : en fr
  • US2148995A - Wheel construction : en
  • FR838282A - Process for treating steels with a view to their purification : en fr
  • GB501584A - Improvements relating to multi-stage four-stroke internal combustion engines : en
  • FR838086A - Reciprocating saw with upper drive rollers applied to the workpiece and separated from it by means of weight-loaded or spring loaded levers : en fr
  • GB501693A - Improvements in or relating to rotary-piston machines : en
  • US2149067A - Surgical mask : en
  • US2149096A - Switch : en
  • US2148479A - Method of and machine for milling : en
  • US2148922A - Beet-cutting machine : en
  • US2149140A - Angular pillow : en
  • USD113535S - Design for a : en
  • CA379764A - Wire-cloth seam : en fr
  • FR838202A - Central office system for teleprinter : en fr
  • FR838354A - Improvements made to vehicles for the transport of travelers, in particular to railway cars : en fr
  • GB501807A - Improvements in or relating to wobble or swash-plate engines : en
  • GB501574A - Improvements in or relating to methods of pneumatically drying heat sensitive materials : en
  • USD113539S - Design fob a question and answer : en
  • USD113595S - Design fob a bedspread : en
  • FR838121A - Improvements to automatic braking devices for motor vehicle trailers : en fr
  • FR838204A - Improvements to hydraulic transmissions : en fr
  • CH203089A - Process for the production of liquid containers. : de en
  • DE672339C - Device for opening and closing hinged windows, doors or the like with a flexible member : de en
  • FR838051A - Cash register upgrades : en fr
  • AU106684B2 - Improvements in or relating to power driven freewheel brake hubs for bicycles : en
  • US2148547A - Vegetation mascerating unit : en
  • US2148978A - Coin holder : en
  • ES144246A1 - A new anti-aircraft grenade of mixed drive. : en es
  • GB501615A - Improvements in hydraulic turbines : en
  • GB501838A - Improvements in and relating to coupling devices for electric circuits : en
  • GB501677A - Improvements in and relating to refuse bins : en
  • US2149150A - Method and apparatus for chain looping : en
  • GB501593A - Improvements in or relating to electric cables : en
  • GB501718A - Improved electric discharge tube comprising a fluorescent screen : en
  • FR838129A - Electric shaver, dry shaving : en fr
  • US2148839A - Shock absorber : en
  • USD113521S - Design fob a smoking stand ob the : en
  • DE672503C - Electric toggle or push button switch : de en
  • CH203298A - Motor drive on bike. : de en
  • DE672348C - Brake conveyor : de en
  • US2148909A - Manufacture of thiazolidine derivatives : en
  • GB501663A - Improvements in or relating to fastenings for stair carpets : en
  • GB501750A - Improvements in tyre valves : en
  • DE671865C - Centrifugal separator, especially for venting lubricating oil : de en
  • DE672274C - Automatically closing funnel or milk filter : de en
  • DE672342C - Muzzle protectors for firearms : de en
  • DE672576C - Valve arrangement for regulating pressure relationships between two spaces : de en
  • DE672445C - Knitting machine needle : de en
  • CH203158A - Device for the production of strips coated with a substance on one side. : en fr
  • DE672370C - Process for the preparation of condensation products containing sulfuric acid residues : de en
  • DE672516C - Process for obtaining the active substances in bee venom : de en
  • FR838213A - Attachment for driving a mooring line on a moving cable : en fr
  • FR838287A - Missile launcher : en fr
  • FR838393A - Two-stroke internal combustion engine : en fr
  • GB501647A - Improvements in or relating to tiles and other articles : en
  • GR8032B - METHOD OF MAKING GRANDS AND LEAVES TO MAKE A WEDDING WREATH. : el en
  • US2149110A - Buttonhole sewing machine : en
  • CH203349A - Single-phase transformer group, especially for electric traction vehicles. : de en
  • DE672505C - Device for extinguishing arcs : de en
  • US2148715A - Page end signaling device : en
  • US2149060A - Container structure : en
  • US2149083A - System of electrical distribution : en
  • US2149141A - Instrument supporting apparatus : en
  • CH203288A - Servo motor control, especially for crawler tractors. : de en
  • DE672490C - Process for the production of methacrylamide or its sulfate : de en
  • DE672321C - Device to facilitate reading when the partial circle parts are mirrored in the same field of vision and are opposite one another : de en
  • DE672547C - Headlight with a part that can be inserted into the housing opening from the front and then removed again : de en
  • GB501648A - Improvements in or relating to hot plates of gas cookers : en
  • GR8025B - DOUBLE ENERGY SUPPLY AND DEPRESSION COLD ASPHALT SPRAYER. : el en
  • FR838252A - Multifuel gasifier with adjustable axial nozzle : en fr
  • FR838341A - Device for recalibrating, defusing, re-priming and crimping centerfire hunting sockets : en fr
  • US2149138A - Belt retaining device for vacuum cleaners : en
  • GB501365A - Improvements in reversing mechanism : en
  • DE672315C - Elastic link cover : de en
  • FR838101A - Improvements made to tubular fittings : en fr
  • GB501620A - Improvements relating to instantaneous or like steam generating apparatus : en
  • DE672343C - Shot counter for machine weapons, which can be incremented by the impulses triggered by the weapon : de en
  • GB501364A - Improvements in and relating to paper feeding apparatus for printing machines and the like : en
  • GB501561A - Improvements in or relating to lid-locking devices for centrifugal machines : en
  • IE15217L - Negative glow discharge lamps : en
  • US2149241A - Saw handle and blade : en
  • US2148660A - Memorial tablet : en
  • US2148837A - Progressive acting change-speed gear for bicycles : en
  • US2149001A - Television transmitting and receiving apparatus : en
  • US2148468A - Container : en
  • US2148629A - End clasp for bracelets and the like : en
  • DE671963C - Double-acting adjuster : de en
  • FR838329A - High inductive load telephone cable manufacturing process : en fr
  • AU106670B2 - Improvements inthe concentration of ores by froth flotation : en
  • CA379747A - Zinc electrodeposition : en fr
  • GB501721A - Improvements in and relating to welding electrodes : en
  • US2148775A - Scrubbing machine : en
  • DE672362C - Encapsulated gear for especially portable cinema equipment with circulation oil : de en
  • GB501666A - Improvements in or relating to the treatment of cellulose fabrics : en
  • GB501708A - Improvements in magnet structure : en
  • FR838228A - Oxyalkylated aromatic amines : en fr
  • FR838350A - Improvements to processes for extracting fluorine content from fluorspar ores : en fr
  • CA379809A - Cellulose derivative colouring composition : en fr
  • CH203106A - Thread guide drum for package winding machines. : de en
  • CH203170A - Machine for practicing machine gun shooting. : en fr
  • ES144245A1 - A new antiaircraft machine gun mortar. : en es
  • DE672356C - Arc welding electrode of large length for automatic welding with a thick cover consisting of fiber layers and flux and process for its production : de en
  • DE672295C - Process for producing artificial flowers from paper, in particular from crepe paper, or similar materials : de en
  • GB501484A - Improvements in or relating to fluid pressure brake apparatus actuated by compressedair : en
  • US2148745A - Rail sanding device : en
  • US2148780A - Apparatus for wrapping pipe : en
  • DK55889C - Box body, in particular Motor vehicle body. : da en
  • CH203159A - Inking device for the forme cylinder of rotogravure printing machines. : de en
  • AU495937A - Improvements in or relating to high frequency resonant line apparatus and circuits arrangements incorporating the same : en
  • US2148453A - Resistance : en
  • PL27980B1 - The method of impregnating specific pedestrian lines with rubber milk, consisting of bundles of rubber threads with an external braid, the method of their processing and a device for carrying out this method. : en pl
  • US2148677A - Adjustable bier pin : en
  • CA379827A - Cartridge case production : en fr
  • US2148649A - Metatarsal gauge : en
  • CA379723A - Multi-layer fabric : en fr
  • CH203270A - Voter rack in exchanges of telephone networks. : de en
  • FR838380A - Improvements relating to molybdenum alloys and, more particularly, to the introduction of molybdenum into iron or steel : en fr
  • CH203251A - Flashlight. : de en
  • CH203302A - Method for producing a moth repellent. : de en
  • US2148634A - Catalysts : en
  • US2148819A - Spindle and bobbin : en
  • US2149155A - Propelling device for ships : en
  • USD113487S - Design for a coat : en
  • US2148530A - Damper : en
  • AU25238A - Improvements in or relating to loudspeakers mounted ina casing provided withan acoustic resistance : en
  • CH203274A - Device for keeping a person awake, in particular for preventing accidents due to fatigue. : de en
  • US2148836A - Welt construction for fullfashioned hosiery : en
  • CH203128A - Process for manufacturing alumina. : en fr
  • US2148505A - Engine : en
  • US2149066A - Method for obtaining luster, color, pattern, and complicated shape effects : en
  • US2148702A - Heat transferring means : en
  • CA379767A - Moth-proofing process : en fr
  • CH203086A - Evaporator. : de en
  • CH203133A - Process for the preparation of a macrocyclic lactone. : en fr
  • FR838090A - Improvements to typewriters, calculators or accountants : en fr
  • AU106655B2 - An improved bearing : en
  • DE672488C - Process for vaporizing fuel : de en
  • US2148893A - Process for preparing tanning agents : en
  • CA379815A - Electric warning signal : en fr
  • CH203073A - Hose squeezer for liquid manure distribution systems. : de en
  • CH203143A - Process for the production of an indigoid vat dye. : de en
  • CA379795A - Shade roller check : en fr
  • CH203119A - Suction brushes, in particular for vacuum cleaners. : de en
  • CH203132A - Process for the preparation of a sulfonated derivative of naphtha with very active detersive and emulsifying properties. : en fr
  • CH203254A - Device for determining the chronaxie by means of capacitor discharges. : de en
  • US2148917A - Wiping device : en
  • US2148654A - Organic esters of cellulose : en
  • US2148986A - Spray gun and means for heating air and liquid supplied thereto : en
  • DE672385C - Knapsack with a knapsack frame that can be folded out to form a bed and a cover that can be used as a bed : de en
  • GB501753A - Improvements in or relating to television and like receivers : en
  • DE672412C - System for generating electrical surge voltages with the help of capacitors : de en
  • CH203219A - Fuel saving device, in particular for a motor vehicle. : en fr
  • CH203222A - Compression refrigeration machine. : de en
  • US2149040A - Hydraulic shock absorber : en
  • US2148428A - Vehicle directional signal : en
  • US2148860A - Thread dispenser : en
  • US2148977A - Hollow plug for walls : en
  • USD113491S - Design fob a coat : en
  • USD113598S - Design for a bedspread : en
  • CA379766A - Unsaturated ketone : en fr
  • CH203279A - Tea capsule. : de en
  • GB501726A - Improvements in and relating to electron multipliers : en
  • CH203328A - Process for the preparation of a chromable o-oxydisazo dye. : de en
  • US2148503A - Antiskid chain making machine : en
  • US2148856A - Stock line wearing element : en
  • US2148541A - Colon therapy device and applicator therefor : en
  • US2149248A - Automobile jack : en
  • USD113560S - Design for a coat : en
  • US2148685A - Nonfouling lap former for cigarette machines : en
  • US2149087A - Protective rod and reel case : en
  • USD113498S - Design for a frame for electric space : en
  • US2148426A - Automatic shaver indicator : en
  • US2148766A - Track grinding machine : en
  • US2149030A - Container and method of making the same : en
  • US2148661A - Therapeutic method and apparatus : en
  • US2148701A - Sign-removing implement : en
  • FR838195A - Improvements to electric converters : en fr
  • FR838207A - Footwear improvements : en fr
  • CH203122A - A process for making a uniform collar and collar obtained by this process. : en fr
  • GB501551A - Improvements in automatic telephone systems : en
  • GB501709A - Improvements in or relating to universal joints : en
  • GB501826A - Improvements in or relating to match stands : en
  • US2148613A - Head box for fourdrinier machines : en
  • US2148729A - Carburetor throttle control : en
  • US2148961A - Spring structure : en
  • US2149084A - Electric receptacle : en
  • USD113546S - Design for a fluorescent tube unit : en
  • GB501692A - Improvements in and relating to radio receiving apparatus : en
  • FR838333A - Improvements to molybdenum alloys with ferrous metals : en fr
  • GB501828A - Improvements in and relating to pumps : en
  • FR838284A - Method and device for treating wheat or other cereals with a view to their preservation : en fr
  • DE672326C - Process for hardening and polishing the galvanic deposit on gravure cylinders : de en
  • US2148811A - Floating deck structure for oil storage tanks : en
  • US2149172A - Electric lamp : en
  • DE672474C - Belt conveyor on a machine gun : de en
  • GB501562A - Improvements in or relating to devices for filling accumulator or other containers with liquid : en
  • GB501668A - An improved method of and apparatus for effecting the daylight illumination of the inside of shop windows and the like : en
  • GB501370A - Improvements in or relating to tuning devices for radio receivers : en
  • FR838138A - Gas mask : en fr
  • FR838145A - Spacer for parts of a bed : en fr
  • FR838342A - Oilseed press with swivel pressure cages and swivel discharge basket : en fr
  • DE669410C - Self-collecting device, especially for value stamp apparatus : de en
  • GB501413A - Improvements in or relating to pumps : en
  • GB501710A - Improvements in photographic cameras : en
  • CH203334A - Process for the preparation of an azo dye containing complexed chromium. : de en
  • GB501634A - Apparatus for electrically testing the thickness of thin layers : en
  • GB501550A - Improvements in or relating to navigation aiding directional radio receiving systems : en
  • US2148463A - Heat treating furnace tray : en
  • FR838208A - Pressure roller for coater presses for paper machines and similar machines : en fr
  • GB501641A - An improved apparatus for veneering : en
  • FR838398A - building element and its applications : en fr
  • GB501367A - Improvements in or connected with spinning machines for the production of yarns and threads : en
  • GB501482A - Improvements in or relating to clockwork apparatus : en
  • GB501728A - Improvements in, or relating to, wall-boxes and junction boxes for use in connection with electrical wiring conduits : en
  • GB501820A - Improvements in or relating to opposed-piston wobble-or swashplate two-stroke internal combustion engines : en
  • USRE21015E - Candy coating feeding machine : en
  • AU534437A - An improved device for lifting hot baking pans andother articles : en
  • CH203351A - Vehicle wheel with removable rim. : de en
  • FR838197A - Improvements to electrical devices such as transformers, rheostats, etc., with several contact points : en fr
  • FR838337A - Improvements to electron multipliers : en fr
  • FR838357A - Method and apparatus for manufacturing hollow balls : en fr
  • GB501834A - Improvements in or relating to insulating means for damping the echo effect in rooms : en
  • ES144241A2 - IMPROVEMENTS IN THE OBJECT OF PATENT NUMBER 143825 : en es
  • DE672408C - Glue applicator : de en
  • GB501383A - Improvements in drying cabinets : en
  • GB501694A - Improvements in or relating to apparatus for extruding dough : en
  • DE672302C - Diesel-electric vehicle drive : de en
  • DE672377C - Device for setting a variable which determines the setpoint value for a control device : de en
  • FR838139A - Manufacturing process of olefin oxides : en fr
  • GB501608A - Apparatus for the manufacture of scanning discs for television apparatus : en
  • GB501842A - Improvements relating to electric protective apparatus : en
  • FR838231A - Process for selectively separating a product from a mixture of different liquids : en fr
  • GB501701A - Electron discharge devices with successive electrically controlled multiple emissions : en
  • GB501707A - Improved method of preparing a material containing luminescent zinc sulphide or zinc-cadmium sulphide : en
  • FR838155A - Camera for film in rolls comprising a device for successively printing films of a different nature : en fr
  • DE672288C - Slidable carbon paper holder for plate-shaped copy devices : de en
  • DE672554C - Vice for die setting and line casting machines : de en
  • FR838369A - Luminous advertising device : en fr
  • PL27922B1 - A method for producing carbon black and an apparatus for carrying out the method. : en pl
  • US2148834A - Clamping mechanism for electric arc furnace electrodes : en
  • DE672546C - Cover for spinning top rolls : de en
  • US2148699A - Wheel : en
  • CH203146A - Regenerants. : de en
  • US2148568A - Road working machine : en
  • US2148517A - Knitting apparatus : en
  • US2148539A - Toe form : en
  • US2149134A - Permanent waving : en
  • CA379729A - Cigar wrapping machine : en fr
  • FR838332A - Mixed resins for cation exchangers : en fr
  • US2149057A - Friction gearing : en
  • GB501605A - Improvements in or relating to apparatus for delivering from a container lubricant or other material in solid, plastic or semi-liquid form : en
  • US2148755A - Brake drum : en
  • FR838122A - Device for the mutual anchoring of plate elements used as border of flower beds or for other similar purposes : en fr
  • US2149002A - Method and apparatus for making divisible electrical conductors : en
  • US2149216A - Motion-converting mechanism : en
  • US2149227A - Filler spout : en
  • FR838308A - Device ensuring the return of the heel against the ski : en fr
  • FR838395A - Radiographic installation in which the x-ray tube is supplied by a capacitor : en fr
  • FR838091A - Process for obtaining food products based on dates and resulting products : en fr
  • GB502700A - Improvements in or relating to multi-stage thermionic amplifiers : en
  • CA379724A - Clutch control mechanism : en fr
  • DE672352C - Metal vacuum container : de en
  • GB501703A - Improvements in and connected with processes for the treatment of blubber and fibrous-containing substances of land and sea mammals : en
  • GB501489A - Apparatus for bevelling the ends of driving belts : en
  • CA379783A - Washing machine : en fr
  • CA379847A - Separator : en fr
  • CH203196A - Unrollable hollow body, such as finger cot, condom. : de en
  • US2148960A - Solderless connector : en
  • US2149133A - Method of joining glass to porous ceramic material by weld : en
  • FR838151A - Process for dyeing cellulose and its derivatives with wool dyes : en fr
  • US2148466A - Heating apparatus : en
  • FR838161A - Braun tube with beam acceleration after deflection : en fr
  • GB501700A - Process for the treatment in a full bath of all natural or artificial textile threads and yarns : en
  • DE672333C - Valve for breathing apparatus, especially gas masks : de en
  • DE672285C - Process for processing the floor panels of hollow bodies : de en
  • DE672368C - Device for the automatic maintenance of the highest possible voltage of high-voltage direct currents used to feed electrical gas cleaning or gas testing apparatus : de en
  • US2148573A - Wrench : en
  • US2149220A - Flotation of precious metal ores : en
  • GB501617A - Liquid fuel stoves : en
  • GB501464A - Improvements in means for collecting sheets of paper or other material in packs or piles : en
  • GB501354A - Improvements in or relating to children's closet seats : en
  • DE672457C - Hollow piston pin, especially for internal combustion engines : de en
  • FR838147A - Rotary table press : en fr
  • FR838370A - Acid dyes belonging to the triphenyl-methane series and method of preparing these dyes : en fr
  • GB501415A - Improvements in or relating to rivetting : en
  • ES144238A1 - Procedure for making a food drink. : en es
  • US2149183A - Powder sifter : en
  • FR838123A - Device for capping and instantaneous fixing on all bottles of a stopper allowing the partial flow of liquids without loss of gas, essences or aromas they contain : en fr
  • GB501591A - Apparatus for warming and drying of beds : en
  • US2148569A - Collar holder : en
  • US2148695A - Signaling apparatus : en
  • US2148788A - Hydraulic saddle : en
  • US2148493A - Motion picture apparatus : en
  • US2148520A - Method of making beryllium oxide : en
  • US2148826A - Apparatus for preparing concentrated tomato products : en
  • DE672244C - Device for quickly engaging and disengaging a circuit breaker : de en
  • DE672360C - Device used to perform a working stroke : de en
  • FR838306A - Weaving comb improvements : en fr
  • GR8033B - LIGHT AERIAL ADVERTISING. : el en
  • GB501375A - Improvements in or relating to television transmission tubes : en
  • GB501523A - Improvements in or relating to fountain pens, propelling pencils and the like : en
  • SU54512A1 - Press for making artificial stones : en ru
  • FR838295A - Self-dosing cap : en fr
  • GB501450A - Improvements in or connected with domestic cookers : en
  • FR838230A - Process for the preparation of salts of phosphoric acid : en fr
  • GB501529A - Improvements relating to superheterodyne receivers : en
  • GB501575A - Improvements in or relating to a motor vehicle of the endless-tread type : en
  • CA379805A - Packing means for joints : en fr
  • US2149027A - Spark plug shield : en
  • US2149102A - Footwear protecting device : en
  • US2149222A - Centralized traffic controlling system for railroads : en
  • FR838305A - Improvements in the fitting out of automobile trailers allowing their transport on railways : en fr
  • GB501501A - Footwear and method of constructing the same : en
  • GB501532A - Improvements in or relating to television receivers : en
  • US2148913A - Annunciator system : en
  • US2148751A - Brake system : en
  • US2149075A - Stove or range : en
  • US2148823A - Card table : en
  • US2149070A - Suspending line wire : en
  • US2149099A - Dispensing apparatus : en
  • USD113584S - Design for a bicycle : en
  • US2148559A - Steering wheel construction : en
  • US2148680A - Catalyst for use in the oxidation of ammonia : en
  • US2148881A - Key controlled switch : en
  • FI18405A - Stiffened metal pipe and its method of manufacture : en fi
  • DE672388C - Trouser pressing and stretching device : de en
  • DE672428C - Loosening shoe for hiking pillar : de en
  • DE672486C - Device for changing the width of items of clothing, in particular waistbands : de en
  • FR838215A - Improvements to combustion engines fitted with stick pistons : en fr
  • DE672442C - Device for measuring the secondary voltage on high-voltage transformers, in particular Roentgen transformers, with subdivided primary winding : de en
  • GB501736A - Improvements in the cracking of carbonaceous materials : en
  • US2148528A - Machine for effecting relative movement between lasts and shoes : en
  • DE672366C - Weight or spring clock drive with an electromagnetic and a vibrating mechanical escapement regulator : de en
  • FR838281A - Device applicable to the holding of a moving part against a fixed part and in particular to the attachment of automobile hoods : en fr
  • US2149195A - Extensible furniture leg : en
  • DE672420C - Spring lock : de en
  • US2148563A - Work supporting device : en
  • US2148644A - Hockey coaster : en
  • US2148627A - Breaker point grinder : en
  • US2148966A - Fountain comb : en
  • US2149085A - Reversible thermostatic control system : en
  • DE672550C - Stapling device for bundling sheets or the like provided with perforated edges. : de en
  • DE672484C - Tilting device for conventional stoneware feed troughs : de en
  • CA379773A - Knitting machine : en fr
  • GB501829A - Improvements in shoes : en
  • CA379754A - Air line oiler : en fr
  • US2148845A - Paperhanging machine : en
  • US2149008A - Tube with metallic block and method of attaching latter : en
  • US2149074A - Door check : en
  • USD113610S - Design fob a carpet ob similab : en
  • US2149233A - Biological product : en
  • USD113612S - Design for a knitted fabric : en
  • US2148546A - Channel cutter attachment : en
  • US2148764A - Piston ring : en
  • US2149232A - Tunnel construction : en
  • US2148964A - Vehicle traffic signal : en
  • USD113532S - Design for a curtain rod wall flange : en
  • GB501507A - Weft carrier or spool for shuttles : en
  • GB501833A - Improvements in or relating to mercerised yarns and fabrics : en
  • GB501371A - Dispersing or scattering nozzle for liquids under pressure : en
  • GB501684A - Improvements in fusible elements for the protection of electric circuits : en
  • US2148782A - Machine for dicing vegetables, meat, and the like : en
  • US2148854A - Two-stroke internal combustion engine : en
  • US2148793A - Process for the production of nitrates : en
  • DE672378C - Device for converting alternating currents with a given number of periods and phases into alternating currents with a different number of periods and phases : de en
  • AU106642B2 - Production of cinematographic effects in colour and means therefor : en
  • GB501380A - Improvements in or relating to electric remote control devices for power plants comprising prime mover and change speed gearing means driven thereby : en
  • FR838150A - Improvement of shoe soles and heels : en fr
  • FR838392A - Motive power gas production plant, consisting of a diesel engine and a compressor : en fr
  • US2149118A - Electric insulator : en
  • CH203123A - Mountaineering shoe fittings. : de en
  • AU93838A - Improvements in buckles or fastenings for braces, belts, bands andthe like : en
  • FR838366A - Pressure trigger for mine pillars : en fr
  • US2149064A - Anthraquinone derivatives and process of preparing the same : en
  • USD113564S - Design for a dress ensemble : en
  • USD113579S - Design for a dress : en
  • US2148875A - Electric lamp socket and plug connector : en
  • GB501601A - Improved manufacture of cinematograph or like projection surfaces : en
  • GB501714A - Improvements in and relating to composite boards : en
  • US2149000A - Method of and apparatus for making ice : en
  • CH203203A - Cigarette vending machine. : en fr
  • US2149114A - Refrigerator : en
  • CH203277A - Anchoring device on posts, for example on those of display and signal boards. : de en
  • CH203289A - Control device for compressed air brakes on motor vehicle trains. : de en
  • CH203072A - Nebulizer. : de en
  • US2148884A - Method for forming synthetic sausage casings : en
  • USD113511S - Design for a mixing bowl : en
  • PL27926B1 - Machine for electric resistance welding of pipes. : en pl
  • US2148678A - Apparatus for comparing a plurality of oscillatory systems : en
  • US2148910A - Azo compounds : en
  • US2148605A - Photographic recording of sound : en
  • US2148616A - Hoist : en
  • US2149016A - Rack : en
  • DE672298C - Tool for making shoe soles : de en
  • CA379838A - Wheel centering and camber gauge : en fr
  • CH203303A - Method for producing a moth repellent. : de en
  • CH203306A - Process for protecting fur, feathers, hair, fibrous materials, leather and other goods from being eaten by moths. : de en
  • CH203339A - Process for the preparation of a substantive polyazo dye. : de en
  • US2149235A - Edger : en
  • AU106693B2 - Improvements in or relating to loudspeakers mounted ina casing provided withan acoustic resistance : en
  • CH203268A - Frequency converter. : de en
  • CH203293A - Standardized spacer ring for removable rims. : en fr
  • PL27929B1 - Method of olefin polymerization. : en pl
  • US2148700A - Mechanism for stopping electrically driven looms : en
  • US2148440A - Bottle closure : en
  • US2148671A - Fluid injector : en
  • US2149161A - Air resistor : en
  • GB501843A - Improvements in or relating to directional aerial systems : en
  • CH203340A - Process for the preparation of a substantive polyazo dye. : de en
  • DE672327C - Method and device for the production of patterns on enamelled objects : de en
  • DE672473C - Automatic firearm : de en
  • BE432364A - : en
  • AU162238A - Production of cinematographic effects in colour and means therefor : en
  • CA379836A - Artificial wood : en fr
  • PL27920B1 - Breathing apparatus. : en pl
  • PL27943B1 - The method of saturation of wooden chocks. : en pl
  • AU106667B2 - Improvements in and relating to air pumps and driving mechanism therefor : en
  • DE671563C - Process for the production of complex heavy metal compounds of arsenic compounds of the pyridine and quinoline series : de en
  • CA379813A - Tenaculum : en fr
  • CH203142A - Process for the production of a new azo dye. : de en
  • CH203275A - Illuminated control room in systems that have electrical feedback devices. : de en
  • DE672471C - Automatic knocking machine : de en
  • USD113496S - Design fob a coat : en
  • PL27981B1 - ^ Ktr34 k, 11 / Oir Toilet paper. : en pl
  • US2149111A - Machine for making knock-down boxes : en
  • CA379779A - Massage device for tooth brushes : en fr
  • CH203308A - Floor polisher with electric drive. : de en
  • CH203217A - Device on internal combustion engines. : de en
  • US2148456A - Printing-press doctor blade : en
  • US2148626A - Skirt blocker : en
  • US2149238A - Wire spooling machine : en
  • CH203076A - Crankshaft for fork tedders. : de en
  • AU106631B2 - An improved device for lifting hot baking pans andother articles : en
  • DE672548C - Device for steaming and glazing fabrics : de en
  • US2148480A - Container : en
  • US2149239A - Sewing-machine shears : en
  • CH203118A - Laundry room facility. : de en
  • DE672561C - Eccentric jump mechanism for rotary switch : de en
  • US2148652A - Method of making connections : en
  • US2148749A - Bull's eye target : en
  • US2149143A - Pump or motor : en
  • DE672551C - Folder for the orderly storage of postage stamps and similar stamps : de en
  • GB501475A - Improvements in or relating to clips, for sealing bags and the like and to methods of and apparatus for producing the same : en
  • FR838068A - Azo dyes and their preparation process : en fr
  • FR838154A - Mixing device for internal combustion engines, allowing the production of a homogeneous fuel mixture : en fr
  • FR838264A - Improvements in the continuous manufacture of electric cables : en fr
  • GB501675A - Improvements in or relating to emulsifying apparatus : en
  • DE672533C - Process for etching ceramic workpieces for decorative purposes : de en
  • GB501540A - Heat operated driving means for rotary display devices and other rotating elements : en
  • FR838092A - Door or window with watertight closing device, particularly for protective shelters against combat gases : en fr
  • FR838400A - Woven articles and process for obtaining them : en fr
  • GB501609A - Improvements in and relating to plug sockets for electric connectors and switches : en
  • US2148557A - Automobile vanity : en
  • CH203188A - Process for preparing, from alloys containing tantalum and niobium, a niobium alloy poor in tantalum, with the concomitant formation of a slag containing the major part of the tantalum. : en fr
  • US2148549A - Automatic control of quadding and centering devices : en
  • US2149097A - Internal combustion engine : en
  • CH203243A - Quenching device for mercury cathode converter tubes. : de en
  • US2148477A - Bone conduction audiphone : en
  • USD113519S - Design for a combination desk unit : en
  • AU306338A - Process forthe manufacture of branched or more highly branched alkenes from non or less branched alkenes : en
  • CH203346A - Process for producing resistant lacquer coatings on wood : de en
  • CA379762A - Doughnut machine : en fr
  • CA379831A - Fuse switch : en fr
  • CH203173A - Method and device for checking the dimensional accuracy of semi-finished construction parts. : de en
  • AU106645B2 - Improvements in or relating to directional aerial systems : en
  • DE672530C - Two-part snap button, especially for shoes : de en
  • DE672513C - Goods take-off device for flat knitting machines : de en
  • CA379839A - Funicular traction for winter sports : en fr
  • CH203096A - Air preheaters on combustion systems. : de en
  • USD113561S - Design for a dress ensemble : en
  • USD113580S - Design for a dress : en
  • CA379732A - Radio receiver : en fr
  • CH203199A - Method and device for drying peat and other material consisting at least in part of fibrous material. : de en
  • US2148556A - Combined vehicle speed and automotive engine governor : en
  • US2148558A - Method and apparatus for coating cylinders : en
  • AU106639B2 - Improvements in buckles or fastenings for braces, belts, bands andthe like : en
  • AU355338A - Improved process and apparatus for tempering tubular glass articles : en
  • CA379854A - Food product packing device : en fr
  • CH203321A - Process for the preparation of a water-soluble condensation product. : de en
  • DK55893C - Self-locking Storm Hook for Windows and Doors. : da en
  • US2148659A - Process for the production of fast tints on cellulosic fibers : en
  • US2149062A - Fishhook : en
  • FR838379A - Improvements in the preparation of catalysts and in the catalytic reactions of hydrocarbons : en fr
  • GB501822A - Improved electrical indicator : en
  • PL27918B1 - The oscillating axle of the car is mounted on a coil spring. : en pl
  • PL27987B1 - The method of rolling objects expressed with the reverse course of rolling. : en pl
  • US2148935A - Acetylene gas producing plant : en
  • CA379860A - Orifice dial valve : en fr
  • CH203095A - Rod grate for furnaces. : de en
  • DE672150C - Arrangement for operating internal combustion engines with mixture supply with stored gases : de en
  • DE672297C - Preparation of whey for the production of butanol and acetone by fermentation : de en
  • US2148642A - Process for the manufacture of molds and cores for castings : en
  • US2148704A - Veneer press : en
  • US2148871A - Process and installation for making pottery : en
  • US2148796A - Phonograph pick-up : en
  • DK55885C - Procedure for the production of caffeine-free or low-coffee coffee beans. : da en
  • US2148852A - Holder block for tool holders : en
  • AU130338A - Improvements relating to interlaced scanning systems for cathoderay signal-generating tubes and signal-reproducing tubes : en
  • PL27947B1 - Belt pedal. : en pl
  • GB501645A - Improvements in or relating to optical image viewing arrangements : en
  • AU106638B2 - Improvements in ventilators for vehicles : en
  • CH203153A - Process for producing an electrically poorly conductive layer on objects made of light metal with hard-to-reach areas by electrical treatment in a bath. : de en
  • US2149167A - Bed : en
  • US2148430A - Telegraph selection system : en
  • US2149052A - Check marking device : en
  • USD113505S - Design for a desk : en
  • US2148460A - Concentration of aliphatic compounds : en
  • CH203178A - Accounting machine. : en fr
  • FR838242A - Device for removing air from the fuel supply line in internal combustion engines : en fr
  • US2148664A - Heat treatment of metals : en
  • US2148706A - Protective temperature measuring device for pickling tanks : en
  • US2148892A - Perforated top for merchandising tables : en
  • US2149182A - Liquid fuel burning apparatus : en
  • US2148924A - Spring wheel : en
  • AU106688B2 - Improvements in amplifying devices for use at telephone subscribers stations : en
  • US2148807A - Evacuating device : en
  • US2148622A - Knitting machine : en
  • US2149010A - Apparatus for making incisions : en
  • FR838134A - Beach dress : en fr
  • FR838183A - Device for creating a vacuum in high vacuum electronic tubes : en fr
  • GB501727A - Manufacture of imidazolinium salts : en
  • US2148464A - Heat treating furnace tray : en
  • DE672314C - Forceps for holding templates in place when taking a bite : de en
  • GB501680A - Improvements in and relating to typographical slug casting machines : en
  • GB501630A - Improvements in or relating to the manufacture of bakery products : en
  • DE672395C - Scraper for sowing machines with rotating cells : de en
  • FR838120A - Installation of automatic furnace for brazing bicycle frames and others : en fr
  • FR838352A - Improvements to dry steam generators : en fr
  • GB501461A - A clip carrier for cycle bag support, and article support for display stand, or other suitable purposes : en
  • CA379784A - Paper container : en fr
  • US2148858A - Tile : en
  • US2148447A - Method of and apparatus for disposing of sewage waste : en
  • US2148491A - Deoscillator : en
  • US2149055A - Smoking pipe : en
  • US2149068A - Pressure fed lubricating system : en
  • US2149158A - Shaker conveyer : en
  • CA379794A - Adhesive tape roll : en fr
  • FR838310A - Safety nozzle for oxygen breathing apparatus : en fr
  • PL27914B1 - Method of conducting alcoholic fermentation. : en pl
  • PL27965B1 - The method of processing fresh potatoes into dry. : en pl
  • US2148983A - Refrigerator : en
  • CA379769A - Resilient mounting : en fr
  • US2148907A - Universal time indicating attachment for clocks : en
  • US2148842A - Process for bleaching mercerized cotton and rayon yarns : en
  • DE672372C - Process for the preparation of ª ‰ - (p-Oxyphenyl) -isopropylmethylamine : de en
  • US2148867A - Divisible bowden device : en
  • AU106675B2 - Improvements in automatic lock sliders for separable fasteners : en
  • US2149004A - Electrolytic cell : en
  • US2149139A - Shoe : en
  • PL27976B1 - Method for producing a stable strychnine compound with isovaleric acid. : en pl
  • CH203344A - Process for the preparation of 2-mercapto-thiazolidine-2-bornyl ether. : de en
  • AU66938A - Improvements in ventilators for vehicles : en
  • AU61838A - Improvements in process and apparatus for bending and tempering glass sheets : en
  • US2148784A - Fish lure : en
  • US2148792A - Match packet holder : en
  • US2149100A - Water-glass protector : en
  • US2148534A - Bracelet catch : en
  • PL27953B3 - A method for producing inflated rubber articles and an apparatus for carrying out the method. : en pl
  • US2148682A - Crusher : en
  • PL27988B3 - The method of carrying out alcoholic fermentation. : en pl
  • US2148555A - Propeller : en
  • DE672293C - Airplane wing : de en
  • US2149164A - X-ray apparatus : en
  • PL27969B1 - : en pl
  • US2148501A - Attachment for pneumatic conveyers : en
  • US2148972A - Operating mechanism for retractable members on board aircraft such as landing gears, cupolas, tanks, etc. : en
  • CH203266A - Receiver for broadcast messages that can be connected to a telephone line. : de en
  • US2148641A - Transformer for electrical measuring instruments : en
  • PL27925B1 - A method of "in situ" regeneration of filling, catalytic and other masses and a device for carrying out this method. : en pl
  • US2148597A - Loom shuttle feeler : en
  • PL27937B1 - A method of producing esters of ring oxides with at least three conjugated cores. : en pl
  • US2149145A - Indicating adjustment for seed boards of linter gin breasts : en
  • US2148458A - Detonator for internal combustion engines : en
  • US2148516A - Deep well pump : en
  • US2148980A - Photographic material for color photography : en
  • US2148916A - Power cultivating and weeding machine : en
  • US2148818A - Vehicle brake : en
  • CH203329A - Process for the preparation of a disazo dye. : de en
  • CH203262A - Circuit arrangement for telex switching systems. : de en
  • US2148489A - Rotation indicating switch : en
  • US2148593A - Method of plasticizing cheese, product, and plasticizing agent : en
  • BE432128A - : en
  • CH203116A - Stuff printing paste. : de en
  • US2148931A - Decorative article and process of making it : en
  • CA379846A - School furniture : en fr
  • CA379829A - Pulping and conveying system : en fr
  • AU545037A - Improvements in or relating to electron discharge tubes : en
  • DE672481C - Process for the production of glyoxylic acid : de en
  • DE672506C - Switch with arc extinguishing by a self-generated gas or vapor pressure medium : de en
  • DK55874C - Aluminum Free Alloy for Permanent Magnets. : da en
  • FR838170A - Improvement in the processes and means of purification, roughening and filtration of fluids : en fr
  • US2148504A - Combination stabilizing, snubbing, and leveling system for vehicles : en
  • FR838157A - Advanced device for unwinding spools of metal wire : en fr
  • CA379748A - Pentaerythritol tetranitrate granulation : en fr
  • FR838058A - Process for the extraction and recovery of carbon disulphide and other vapor gases in liquids : en fr
  • GB501652A - Locking devices for the operating mechanism of lifter plates of spinning machines : en
  • US2148537A - Can and dish combination : en
  • CH203267A - Facility for selective calling. : de en
  • US2148707A - Demountable wheel : en
  • US2148771A - Hairdressing cap : en
  • GB501467A - Improvements in or relating to blade-wheel propellers : en
  • AU21438A - Lubricant and method of producing same : en
  • CA379857A - Garment washing apparatus : en fr
  • CH203210A - Rotary piston machine. : de en
  • DK55880C - Suction nozzle for vacuum cleaners. : da en
  • DE672514C - Turning device for machines for swinging bast fiber material : de en
  • DE672555C - Support frame for refrigerators to support the grids : de en
  • PL27975B1 - Device for automatic adjustment of the braking force of vehicle brakes. : en pl
  • SE94864C1 - : en
  • DE672311C - Oil burner with rotating atomizer beaker : de en
  • GB501376A - Improvements in or relating to sealed vessels for electric discharge devices : en
  • US2148646A - Washing machine : en
  • CA379830A - Non-skid chain : en fr
  • AU312938A - Method of and means for reducing disturbances in wireless reception : en
  • DE672531C - In particular as a warning indicator for fire control systems serving display device : de en
  • FR838152A - Engine piston ring : en fr
  • GB501412A - Improvements in and relating to regulators for dynamo electric machines : en
  • GB501672A - Improvements in or relating to the manufacture of alloys for permanent magnets : en
  • AU322138A - Improvements in or relating tothe manufacture of methyl and ethyl lead compounds : en
  • CH203102A - Device for dispensing measured amounts of liquid. : de en
  • AU294438A - Improvements inthe concentration of ores by froth flotation : en
  • AU106678B2 - A method of producing surfaces of high heat radiation and low secondary electron emission particularly for electric discharge devices : en
  • US2149108A - Centrifugal switch : en
  • US2149217A - Motion picture camera : en
  • AU106673B2 - Improvements in or relating to sealing compositions : en
  • US2148813A - Animal trap : en
  • US2148882A - Foot-relief pad : en
  • GB501378A - Improvements in or relating to lubricating apparatus : en
  • AU106682B2 - Synchronisation apparatus : en
  • CA379843A - Casein button : en fr
  • FR838360A - Improvements to electrically controlled metering systems : en fr
  • GB501556A - Improvements in multi-way electric switches for use in radio and like circuits : en
  • US2148667A - Key blank vending mechanism : en
  • US2149125A - Auto direction signal : en
  • FR838093A - Process for manufacturing hollow confectionery articles made from sugar and resulting products : en fr
  • FR838390A - Process for reforming motor fuels : en fr
  • DE672515C - Adjustment device for the knife drum of deflashing machines : de en
  • GB501564A - Improvements in powder applicators : en
  • USD113526S - Design fob a coat : en
  • FR838323A - Improvements to valve mechanisms : en fr
  • US2148595A - Method of placing expansion joint filler : en
  • US2148984A - Electrical interference suppressing device : en
  • USD113570S - Design fob a venetian bund tilter : en
  • FR838389A - light control screen for cathode ray tubes : en fr
  • GB501560A - Process for the pyrolytic conversion of hydrocarbon oils : en
  • CH203326A - Process for the preparation of a chromable o-oxydisazo dye. : de en
  • FR838314A - Manufacturing process for particularly water-repellent wrapping or packaging papers : en fr
  • FR838371A - High Power TV Tube : en fr
  • US2148968A - Plumbing system : en
  • GB501395A - Improvements in control systems for selectively connecting rectifiers to load circuits : en
  • CH203338A - Process for the preparation of a substantive polyazo dye. : de en
  • FR838108A - Device used to lock bottle closures : en fr
  • CH203225A - Brushless small electric motor. : de en
  • CH203098A - Device for dimming against sun rays. : de en
  • FR838236A - Photographic lenses : en fr
  • US2148424A - Electric ignition interrupter : en
  • FR838168A - Improvements to discharge lamps : en fr
  • FR838085A - Disazo dyes and their manufacturing process : en fr
  • GB501611A - Process for the manufacture of animalysed artificial textiles and cellulosic films : en
  • GR8031B - TYPE OF AUTOMATIC TEMPERATURE REGULATOR. : el en
  • DE672508C - Foot step starter with a two-part housing and a rotatable foot lever on the base plate : de en
  • FR838089A - Elastic suspension for engines, especially for railway vehicles : en fr
  • GB501679A - Anti-vibration suspension for vehicles : en
  • GR8028B - GRINDING MACHINE DISC MACHINE OF COTTON GENERATING MACHINES AND DEPLOYERS. : el en
  • FR838119A - Improvements to self-propelled carrier tractors for suspended tracks : en fr
  • GB501616A - Improvements in or relating to the electrical precipitation of suspended particles from gases : en
  • GB501717A - Improvements in or relating to telegraph apparatus : en
  • GB501478A - Improvements in the temperature control of plastic masses during moulding : en
  • GB501640A - Improvements in or relating to vehicles : en
  • FR838233A - Improvements to printing machines : en fr
  • US2148694A - Cartridge chemical refrigerator : en
  • US2148926A - Shower bath : en
  • FR838247A - Hinge slide for doors and furniture : en fr
  • GB501386A - Improved gas-operated reloader for fire-arms : en
  • GB501631A - Improvements in indexing devices for chucks and other work holders : en
  • CA379804A - Vanadium extraction : en fr
  • SE94908C1 - : sv
  • GB501417A - Improvements in or relating to glazing bars : en
  • GB501626A - Improvements in cuffs : en
  • GB501644A - Improvements in or relating to radio receivers : en
  • US2148543A - Hydraulic press : en
  • US2148586A - Gathering machine : en
  • DE672312C - Process for making water-repellent acetate rayon from hydrophobic cellulose acetate : de en
  • DE672449C - Treating alkali or alkaline earth metals or both containing lead alloys : de en
  • GB501742A - Improvements in the manufacture of dyestuffs : en
  • FR838060A - Heating method and apparatus for steam generators : en fr
  • FR838076A - Device for automatically signaling the incomplete emptying of the skip in the transport of extraction skips or the like : en fr
  • FR838363A - Improvements to water softening processes : en fr
  • GR8027B - SEMI-AUTOMATIC MACHINE MAKING BUTTONS FROM ALL MATERIALS. : el en
  • FR838254A - Leash for dogs and other animals : en fr
  • FR838251A - Hydraulic shock absorber and similar shock absorbing apparatus incorporating a differential pressure device : en fr
  • GB501573A - Improvements in valve gear for multi-cylinder internal combustion engines : en
  • GB502166A - Improvements in and relating to control circuits for vapour arc converters and the like : en
  • FR838260A - Improvements to combined logarithmic and linear measuring devices or with equidistant graduations : en fr
  • FR838211A - Improvements to valve bodies or the like, subjected to particular internal forces : en fr
  • GB501690A - Improvements in and relating to precision dimension gauges : en
  • DE672323C - Self-cashier with a coin channel that can be swiveled around a horizontal axis in various inclines in relation to the horizontal : de en
  • US2149199A - Tubular rivet : en
  • DE672535C - Tube with a device for re-sucking in the squeezed out contents : de en
  • FR838097A - Telegraph installation : en fr
  • US2148545A - Apparatus for carrying through catalytic reactions : en
  • US2148969A - Refrigeration distribution apparatus and system : en
  • US2149015A - Freight car : en
  • DE672223C - Electrode structure for electrical discharge vessels : de en
  • US2148804A - Electrical system for wind driven generators : en
  • US2148929A - Pump for fuel line clearing and vapor lock removing device : en
  • GB501740A - Method of and means for controlling the operation of electron multiplying tubes : en
  • DE672338C - Grinding machine, especially for tool steel with hard metal coating : de en
  • DE672450C - Measuring beam deflection system for small base range finders, in particular for photographic purposes : de en
  • US2148754A - Flushing flue cleaner : en
  • US2149152A - Massaging vibrator : en
  • US2149180A - Mechanically propelled toy with automatic reversal in the opposite direction : en
  • DK55878C - Pressure Nipple of Plastic for Electrical Installation Material. : da en
  • US2148982A - Cable tractor for conduits : en
  • US2149105A - Display cabinet : en
  • CH203324A - Process for the preparation of a water-soluble condensation product. : de en
  • CH203330A - Process for the preparation of a disazo dye. : de en
  • FR838072A - Elastic seal for substantially aligned shafts : en fr
  • US2148445A - Method and apparatus for diffusion control : en
  • FR838259A - Cut-off reactor for transmissions by carrier frequencies via strong current lines : en fr
  • CA379833A - Massage device : en fr
  • US2148810A - Smash preventer for looms : en
  • US2148914A - Rotary rod bending apparatus : en
  • US2148864A - Unitary bottle closure : en
  • USRE21013E - Ttorney-s : en
  • GB501542A - Improvements in process of glutamic acid production : en
  • GB501803A - Manufacture of methine dyestuffs : en
  • DE672544C - Knitted fabric with two or more plush loops over each needle stitch : de en
  • FR838318A - Water soluble condensation products and their manufacturing process : en fr
  • GB501460A - Improvements in or relating to haulage apparatus especially adapted for mines : en
  • US2149186A - Table slide : en
  • US2148474A - Electrical controlling apparatus : en
  • US2149240A - Vaginal preparation : en
  • US2149177A - Door control system : en
  • GB501622A - Improvements relating to engine controls particularly for aircraft engines : en
  • FR838112A - Motor vehicle chassis : en fr
  • FR838294A - Frame : en fr
  • GB501479A - Process for the manufacture of derivatives of sterols : en
  • DE672255C - pipette : de en
  • DE672384C - Device for aligning centrifugal casting molds : de en
  • US2148601A - Composition of matter : en
  • GB501498A - Improvements in and relating to driving gearing and steering for motor vehicles : en
  • GB501627A - Improved spoon for administering medicine : en
  • AU385038A - Improvements in and relating to bearings : en
  • CH203149A - Process for treating wood, its components, peat and coal wood. : de en
  • CH203229A - Device for regulating an alternating voltage with coarse and fine voltage levels. : de en
  • DE672499C - Deformable freezer box composed of several deformable metal containers joined together : de en
  • US2148457A - Method of manufacturing printingpress doctor blades : en
  • US2148932A - Hoist : en
  • DE672409C - Multi-part seal : de en
  • US2148596A - Air conditioning unit : en
  • US2149154A - Steam piston : en
  • GB501665A - Timing switches and mechanism : en
  • CA379817A - Stove ignition device : en fr
  • CA379856A - Line indicating copy holder : en fr
  • CH203287A - Compensating suspension on vehicles for high speeds, preferably on those with four-wheel chassis. : de en
  • US2148886A - Envelope in continuous strip form : en
  • US2148891A - Plunger valve : en
  • USD113538S - Design for a medicinal measuring cup : en
  • US2149056A - Apparatus for supplying cut tobacco to cigarette machines : en
  • DE672447C - Mesh, especially as a spring base for seating and reclining furniture : de en
  • USD113527S - Design for a gauge fob automobile : en
  • US2148658A - Vehicle wheel : en
  • US2149035A - Process for sweetening of hydrocarbon oils : en
  • DE672524C - Process for making butter : de en
  • US2148726A - Duplex nozzle for sprayers : en
  • US2148906A - Tool for the manufacture of container caps of sheet metal : en
  • US2149178A - Manufacture and production of alkali cellulose : en
  • US2148979A - Color photography : en
  • US2149065A - Radiator construction : en
  • GB501676A - Improvements in and relating to electrically-heated irons : en
  • AU106680B2 - Improvements in or relating to bridges for measuring electrical impedance : en
  • US2148576A - Microscope : en
  • US2148612A - Electric target range : en
  • US2149196A - Electrical connector : en
  • US2149204A - Means for encasing the ribs of loom reeds and the like : en
  • DE672236C - Gas lamp that can be pulled up on the street pole, which is only connected to the fixed gas pipe when it is in the raised position : de en
  • FR838223A - Metallic Azo Dyes : en fr
  • FR838186A - Obtaining bleached peat : en fr
  • GB501492A - Process for the manufacture of artificial textile fibres : en
  • GB501654A - Improvements in or relating to percussion fuzes for projectiles : en
  • FR838111A - Improved process and pump for high vacuum production : en fr
  • GB501468A - Improvements in fluid-tight-joints for heat exchangers and other apparatus : en
  • FR838174A - Building materials for walls, roofs, floors and other similar applications : en fr
  • DE672151C - Device for the precise setting of tool cutting edges in relation to the workpieces in machine tools : de en
  • DE672477C - Machine for tying boxes with wire or band iron : de en
  • FR838221A - Pressure distribution for fuel injection pumps : en fr
  • GB501387A - An improved weather forecasting apparatus : en
  • CH203261A - Mouthpiece for gas masks. : de en
  • USD113501S - Design for a corner lighting fixture : en
  • GB501440A - Improvements in carrying cases for photographic cameras : en
  • GR8029B - TYPE OF CENTRAL HEATING HEATER. : el en
  • CH203232A - Contact clamp for connecting electrical lines to installation devices. : de en
  • CH203238A - Coil core made from isolated particles of magnetic material. : de en
  • FR838309A - Improvements in rectilinear hosiery looms : en fr
  • US2148896A - Toilet bowl ventilating device : en
  • FR838113A - File enhancements : en fr
  • GB501372A - Improvements in mechanical travelling toys : en
  • FR838063A - Process for manufacturing a fuel oil from digested sludge : en fr
  • GB501588A - Improvements in or relating to fuel-injection controlling devices for internal-combustion engines : en
  • DK55873C - Procedure for the Preparation of Pregneolones. : da en
  • GB501655A - Improvements in or relating to the isolation of minerals : en
  • DE672498C - Device for forming a continuous path of partially overlapping sheets : de en
  • FR838110A - Long bar-shaped insulator with screeds : en fr
  • CH203117A - Slidable offshoot on washing kettles. : de en
  • CH203249A - Fixing device for glass cups of wooden lighting fixtures. : en fr
  • GB501802A - Television transmitter : en
  • GB501537A - Improvements in or relating to preheaters for liquid fuel burner vaporizers of heating and lighting apparatus : en
  • DE672328C - Partial device in grinding machines for toothed wheels, splined shafts or the like. : de en
  • DE672573C - Fuel injector : de en
  • DE672574C - Coupling for pipelines with shut-off valves on both sides : de en
  • CH203179A - Electrical computing device. : de en
  • FR838171A - Process for the preparation and application of alkylene trithiocarbonates : en fr
  • US2148467A - Electric connector : en
  • US2148739A - Mechanism for drying the paper in printing presses : en
  • US2148888A - Eye for dolls : en
  • US2148895A - Shaped articles from cellulose : en
  • DK55887C - Business correspondence card. : da en
  • FR838078A - Azo dyes containing metals bound in the form of metal complexes : en fr
  • GB501448A - Improvements in or relating to electric oscillation generators : en
  • GB501499A - Improvements in or relating to maintaining liquid level in oil or other liquid containers : en
  • US2148449A - Transformer construction : en
  • US2148508A - Method and means for making effects for motion pictures : en
  • US2149049A - Electric connector-switch : en
  • US2149115A - Oil burner : en
  • USD113549S - Design for a bottle or similar : en
  • US2148883A - Rivet holder : en
  • FR838349A - Variable flow pump : en fr
  • DE672305C - Connection contact element with cut solder tab for resistors or the like. : de en
  • FR838312A - Olefin hydration process : en fr
  • GB501508A - Improvements in and relating to latch needles for knitting machines : en
  • FR838240A - Cantilever chairs that can be stacked and other similar cantilever furniture : en fr
  • DE672192C - Operating table : de en
  • PL27938B1 - ftisb i / c a Meat curing agent. : en pl
  • US2148473A - Electrical controlling apparatus : en
  • US2148681A - Tray partition : en
  • US2148607A - Condenser : en
  • US2148827A - Apparatus for the manufacture of decolorizing carbon : en
  • DE672183C - Device for eliminating the chatter vibrations in electric vehicles driven by single-phase series motors : de en
  • FR838277A - Improvement in the production of egg-shaped agglomerates : en fr
  • US2149203A - Cushioning mechanism : en
  • CH203276A - Device for the electrical transmission of various messages respectively. Commands. : de en
  • US2148711A - Container and dispensing device for powdered soaps and the like : en
  • US2148808A - Light mortar : en
  • US2148847A - Clip : en
  • PL27984B1 - Expandable tubular link. : en pl
  • US2148452A - Air and other separators : en
  • USD113577S - Design for a shoe : en
  • US2149202A - Interlocking control apparatus : en
  • DE672415C - Process for the preparation of vaccines against bogus burn in animals : de en
  • US2148857A - Transmission device : en
  • US2148898A - Beach and lawn chair : en
  • US2149223A - Electrical cable : en
  • DE672380C - Process and circular knitting machine for knitting split fabrics : de en
  • DE672392C - Inclinometer for vehicles : de en
  • SU53647A1 - Light modulation method : en ru
  • FI18404A - Signal light : en fi
  • US2148822A - Electric cooking and frying apparatus : en
  • GB501657A - Improvements in apparatus for washing coal and other minerals : en
  • US2149109A - Lighting fixture : en
  • FR838399A - Hand loom : en fr
  • DE672393C - Photo lens : de en
  • CA379749A - Cellulose esterification : en fr
  • USD113518S - Design for a shaving device : en
  • CA379855A - Drilling machine : en fr
  • US2148720A - Moisture control system for paper drying machines and method : en
  • US2148542A - Fuse : en
  • AU106640B2 - Improvements in or relating to smokers appliances : en
  • SU53454A1 - Method of making micalex : en ru
  • US2148727A - Hydraulic brake : en
  • CA379798A - Journal box packing : en fr
  • US2148553A - Reversible pivot arm for masking leg drops : en
  • PL27962B1 - The method of manufacturing curbs and pavement and road slabs. : en pl
  • US2148830A - Method of making rubber chlorides : en
  • AU324938A - Improvements in and relating to yarn feeding mechanism : en
  • CA379725A - Clutch control mechanism : en fr
  • PL27966B1 - Closing device for vessels resistant to high internal pressure. : en pl
  • US2148422A - Method of determining the dips of geological strata with substantially vertical reflections : en
  • US2149213A - Illuminated terrestrial globe : en
  • DE672351C - Front bow boom drive for high-speed presses with horizontal typesetting : de en
  • US2149198A - Television apparatus : en
  • USD113486S - Design for a handbag : en
  • CA379774A - Bumper guard manufacture : en fr
  • CH203177A - Numeral roll made of drawn aluminum sheet. : de en
  • CA379722A - Wire fabric forming machine : en fr
  • CH203323A - Process for the preparation of a water-soluble condensation product. : de en
  • AU106686B2 - Improvements in circuits for operating electric discharge devices : en
  • PL27924B1 - A method for the purification of liquids containing decomposing organic substances, e.g. wastewater and the like, and an apparatus for carrying out the method. : en pl
  • USD113565S - Design for a dress ensemble : en
  • AU283238A - Power actuating transmission means and switch : en
  • CA379745A - Laminated wrapping paper making apparatus : en fr
  • CH203206A - Gate valve gate valve for water pipes, gas pipes etc. : de en
  • CH203109A - Verdol paper. : de en
  • CH203327A - Process for the preparation of a chromable o-oxydisazo dye. : de en
  • AU106632B2 - Improvements in or relating to electron discharge tubes : en
  • CH203165A - Electric organ. : en fr
  • AU371538A - Improvements in and relating to cartons : en
  • US2149059A - Umbrella stick : en
  • US2149194A - Screw-threaded spindle and method of making same : en
  • USD113492S - Design fob a coat : en
  • US2149116A - Carburetor : en
  • US2148742A - Piston and wrist-pin heater : en
  • PL27958B1 - Bathing cap. : en pl
  • US2148509A - Gas regulator system : en
  • CA379852A - Suction roller for pressing out liquids : en fr
  • US2148636A - Film feed mechanism for photographic roll film cameras : en
  • US2149020A - Change speed gear : en
  • CA379755A - Oil seal : en fr
  • PL27940B1 - A device for checking the dependence of the resistance of a sliding contact variable resistor on the position of the sliding contact, and for increasing its resistance if it is too small. : en pl
  • CA379739A - Drum brake : en fr
  • CA379807A - Shade roller check : en fr
  • US2148831A - Processed rubber chloride and method of processing : en
  • US2148687A - Convertible skate : en
  • US2148438A - Target : en
  • DE672290C - X-ray apparatus with a pre-indicating performance indicator : de en
  • DE672389C - Domestic water heater combined with a hot water heating system : de en
  • AU342238A - Method of and apparatus for forming concrete pipes andthe like situ : en
  • CA379736A - Railway switch stand : en fr
  • GB501602A - Improvements in and relating to display containers : en
  • GB501706A - Improvements in production of pile surfaced materials : en
  • CH203082A - Insulating plate for walls and floors. : de en
  • US2148889A - Bedspring : en
  • US2148897A - Control device for valves and other apparatus : en
  • US2149041A - Remote control unit for gasoline and other engines : en
  • USD113488S - Design for a coat : en
  • GB501741A - Improvements in or relating to luminescent materials : en
  • US2148919A - Propel scooter : en
  • US2149135A - Vacuum cleaner : en
  • CH203137A - Process for the preparation of para-isopropyl-alpha-methyl-hydrocinnamic acid. : en fr
  • CA379799A - Centrifugal fan : en fr
  • CH203264A - Electrical signaling device. : de en
  • US2149162A - Method of laying floors in mastic : en
  • AU374238A - A method of producing surfaces of high heat radiation and low secondary electron emission particularly for electric discharge devices : en
  • DE672517C - Rotary kiln : de en
  • GB501618A - Improvements in or relating to the protection of chains and like power transmission means : en
  • US2148514A - Preparation of compounds of fluorine : en
  • US2149224A - Animated electrical discharge device : en
  • CA379850A - Thrashing machine cylinder : en fr
  • CH203144A - Process for the preparation of a polymethine dye. : de en
  • DE672518C - Process for the radiographic representation of a body section : de en
  • US2149234A - Protector clamp : en
  • US2148614A - Fabric holding equipment for embroidery machines : en
  • US2148950A - Car body for automobiles : en
  • DE672463C - Adjustable valve seat cutter with interchangeable cutter blades : de en
  • CA379797A - Valve : en fr
  • USD113607S - Design fob a tablecloth ob similab : en
  • DE672355C - Single-phase AC motor, the winding of which is tapped to supply a low-voltage current for lighting purposes : de en
  • US2148743A - Oil heater : en
  • US2148748A - Pipe bending apparatus : en
  • US2148785A - Adjustable resistance : en
  • US2149043A - Method of making rail bonds : en
  • CH203247A - Process for the manufacture of dry plate rectifiers. : de en
  • AU65438A - Improvements in or relating to power driven freewheel brake hubs for bicycles : en
  • US2148744A - Grinding machine : en
  • US2148686A - Mailing envelope : en
  • DE672495C - Switching device with power drive for the die waste funnel of a die setting and line casting machine : de en
  • DE672528C - Device for filling liquid containers : de en
  • US2149078A - Method of making brake cylinders : en
  • GB501664A - Improvements in and relating to machines for lifting sheaves : en
  • US2149032A - Production of plain warp goods : en
  • USD113586S - Design for an intercommunicating : en
  • US2149228A - Mounting for illuminating globes : en
  • US2148679A - Use of high frequencies in measuring change in electrical impedance : en
  • US2148894A - Shaped cellulose article : en
  • US2149127A - Lubricating device : en
  • US2149218A - Motion picture camera : en
  • US2148863A - Return bend : en
  • DE672331C - Electric musical instrument with a photocell : de en
  • US2148604A - Signal-translating system : en
  • US2148668A - Key duplicating mechanism : en
  • DE672221C - Process for the catalytic pressure hydrogenation of carbons or tars : de en
  • US2149225A - Electrically operated indicator for railway track switches : en
  • US2148571A - Heat transfer system : en
  • US2148877A - Typewriting and like machine : en
  • USD113547S - Design fob a dinner wagon : en
  • US2149112A - Agitator drive for power sprayers : en
  • US2148619A - Hammer adjusting means for pneumatic sheet metal flatteners : en
  • US2148912A - Measuring and pressing machine : en
  • FR838250A - Vaporizer for fuel mixtures for internal combustion engines : en fr
  • CH203124A - Suspension device for milk and other vessels. : de en
  • USD113513S - Design for a coffeepot : en
  • DE672427C - Device for converting liquid cream or similar cold processed masses used in the confectionery industry into a foam state : de en
  • DE672532C - Device for interrupting the thread delivery in the event of thread breakage on twisting machines : de en
  • CH203175A - Measuring instrument with facility to display a changing measured variable at regular intervals. : de en
  • GB501636A - Improvements in folding boats for life saving or other purposes : en
  • GB501624A - Improvements in the manufacture of luminescent screens : en
  • US2148575A - Prefabricated building and building construction : en
  • US2148632A - Flexible strand drawing : en
  • US2149009A - Mounting for pinion shafts : en
  • US2148975A - Flexible shaft coupling : en
  • USD113568S - Design fob a dress : en
  • FR838266A - Tipping dumper : en fr
  • FR838307A - Light alloy which can be used in particular for the construction of bearings, bushings, swivel rings and the like : en fr
  • FR838326A - Manufacturing process of balance springs for watches, chronometers, etc. : en fr
  • DE672361C - Arrangement for synchronizing a camera shutter with a flashlight : de en
  • GB501555A - Improvements in or relating to flat or sad irons : en
  • FR838107A - Improvements in the manufacture of electric cables : en fr
  • GB501385A - Improvements in or relating to the production of hydrogen peroxide : en
  • US2148850A - Mud pump valve : en
  • CA379806A - Direction indicator : en fr
  • CH203269A - Method for establishing connections in telephone systems with payphones. : de en
  • GB501539A - Improvements in sand or foundry moulding machines : en
  • US2148482A - Electrical device and method of operating the same : en
  • DE672541C - Braun tubes for television purposes : de en
  • FR838206A - Mechanism for controlling the advance of the tool or workpiece in machine tools : en fr
  • FR838304A - electric heating element more particularly intended for construction : en fr
  • US2148802A - Apparatus for the manufacture of centrifugally cast pipes : en
  • GB501844A - Inhibitors for motor fuels : en
  • US2148940A - Reinforced crossing of lines : en
  • US2149103A - Hard solder : en
  • CA379744A - Dust collecting plant : en fr
  • DE672286C - Method and device for shrinking laundry materials or the like. : de en
  • FR838126A - Improvements to photoelectric cell sound reproduction devices : en fr
  • FR838339A - Safety devices for coaxial cables : en fr
  • US2148561A - Pump structure : en
  • US2148615A - Drive connection for mowing machines : en
  • US2149121A - Combined cap and ear muffs : en
  • DE672494C - Process for the production of hexamethylenetetramine preparations : de en
  • US2148662A - Draft arm assembly for dispensing liquids : en
  • AU106641B2 - Improvements relating to interlaced scanning systems for cathoderay signal-generating tubes and signal-reproducing tubes : en
  • DE672396C - Square irrigation device : de en
  • DE672504C - Electric pull switch : de en
  • FR838367A - Process for preparing calcium, strontium, barium or lead salts of acid esters of sulfuric acid, containing more than six carbon atoms in the molecule : en fr
  • GB501812A - Improvements in and relating to colour photography : en
  • DE672423C - Flap in the fairing of vehicles : de en
  • FR838056A - Piston seal : en fr
  • FR838175A - Table incorporating a device carrying the table service : en fr
  • FR838218A - Methods of mounting tubular elements and products resulting from the use of said methods : en fr
  • GB501599A - Improvements relating to pneumatic horns : en
  • US2148945A - Plug : en
  • USRE21017E - Power control for machine tools : en
  • FR838173A - Process for increasing the efficiency of high-speed steels based on chromium-tungsten : en fr
  • FR838237A - Advanced photographic lenses : en fr
  • FR838241A - Surge arrester : en fr
  • GB501394A - Improvements in and relating to the operation of vertical carbonising retorts : en
  • GB501454A - Improvements in sluice valves for dams : en
  • US2149026A - Wood flooring : en
  • CA379758A - Container and cap : en fr
  • BE432280A - : en fr
  • DE672411C - Rail locomotive with limited freedom of movement of the respective trailing wheel sets : de en
  • IE15197L - Cylinder heads for internal combustion engines : en
  • DK55888C - Pump with impeller with high specific speed. : da en
  • FR838124A - Rotary explosion engine : en fr
  • GB501697A - Improvements in and relating to duplicating machines : en
  • US2148902A - Gas absorbing system : en
  • US2149012A - Duplicating machine : en
  • CH203075A - Device intended to be adapted to a mower to transform it into a binder-mower. : en fr
  • CH203172A - Mechanical rocket in time. : en fr
  • DE672399C - Tacking screw : de en
  • US2149176A - Razor blade package : en
  • US2149187A - Process of cracking hydrocarbon oil : en
  • US2148521A - Jail locking device and the like : en
  • US2148846A - Process for the separation of alcohol from the first runnings : en
  • DE672335C - Vehicle wheel star made of light metal : de en
  • US2148976A - Indicator and scale arrangement : en
  • GB501567A - Improvements in or relating to chip removal mechanism of broaching machines or other machine tools : en
  • FR838358A - Method and apparatus for regenerating perforations in motion pictures and resulting films : en fr
  • DE672292C - Method of making a color tone film : de en
  • DE672373C - Magazine switching device for die setting and line casting machines with a magazine switching frame within a support frame : de en
  • DK55884C - Mixing valve for two or more liquids or gases. : da en
  • FR838285A - Gas-tight asbestos fabric : en fr
  • GB501563A - Improvements in process for the treatment of solutions containing the lactam of glutamic acid : en
  • US2148665A - Stop motion : en
  • US2148763A - Composition of matter and method of preparing same : en
  • US2148772A - Hand cultivator and weeder : en
  • ES144247A1 - A new rotating level with automatic indications. : en es
  • US2148588A - Cathode ray tube : en
  • US2148762A - Elevator latch : en
  • US2148987A - Adjustable bedplate attachment for sewing machines : en
  • CA379750A - Paper making machine flow control : en fr
  • US2148590A - Handle for vacuum cleaners : en
  • US2149079A - Tire bead construction : en
  • US2148486A - Glass scrubber and sterilizer : en
  • US2149219A - Signaling system and apparatus therefor : en
  • USD113520S - Design fob a press frame : en
  • USD113601S - Design for a textile fabric : en
  • DE672155C - Cinematographic camera : de en
  • DE672455C - Self-seller for electricity or the like. : de en
  • CH203110A - Sewing machine with a bobbin case with a removable thread bobbin in the guide track of the hook that is open on one side : de en
  • DE672303C - Method for measuring the mutual distance between two aircraft : de en
  • GB501808A - Improvements in and relating to the manufacture of rails : en
  • GB501827A - Improvements in or relating to the distribution of radio programmes received by a single aerial : en
  • USD113567S - Design fok a bedspread : en
  • FR838372A - Improvements to regulators and shut-off mechanisms for machines : en fr
  • US2148423A - Method of making composite pistons : en
  • USD113603S - Design fob a textile fabric : en
  • DE672344C - Detachable strap eyelet for handguns with handles attached by dovetail strips : de en
  • FR838191A - Device for carrying out wattmeter measurements in alternating current, without contact with the conductors : en fr
  • FR838156A - Device for receiving messages transmitted by electrical piping networks by means of high-frequency carrier waves : en fr
  • DE672497C - Delivery device on high-speed presses : de en
  • FR838084A - Solutions of highly polymerized substances and method of preparing such solutions : en fr
  • GB501699A - Improvements in or relating to control mechanism for aircraft : en
  • FR838365A - Retort oven for cracking : en fr
  • GB501527A - Improvements in the formation of shaped articles : en
  • GB501610A - Improvements in or relating to plumbing connections : en
  • GB501526A - Improvements in extending tables : en
  • GB501747A - Improvements in or relating to the production of anhydrous alkali metal peroxides : en
  • DK55870C - Burning oven for the production of gas-rich semi-coke. : da en
  • ES144235A1 - PROCEDURE FOR THE SEPARATION, DECOMPOSITION AND PURE OBTAINING OF THE CARBONYTIC COMPOUNDS OBTAINED IN THE DECOMPOSITION OF THE STEROID SIDE CHAIN : en es
  • US2148981A - Method of and apparatus for disposing of sewage waste and the like : en
  • USD113613S - Design fob a bedspread : en
  • GB501517A - Improvements in or relating to gas burners : en
  • GB501745A - Improvements in or relating to the manufacture of chloroderivatives of alkyldiphenyls : en
  • AU106660B2 - Improvements in and relating to tennis or like rackets : en
  • CH203114A - Braided strand. : de en
  • CH203216A - Magneto. : en fr
  • FR838319A - Electrical amplifier assembly : en fr
  • GB501516A - Improvements in or relating to hydraulic shock absorbers : en
  • GB501579A - Improvements in traverse mechanism for yarn-winding machines : en
  • GB501656A - Improvement in method of, and apparatus for, isolating minerals : en
  • CH203160A - Device for adjusting the paper roller on writing office machines. : de en
  • US2148497A - Shock absorber : en
  • BE432129A - : en fr
  • CH203208A - Small crane, in particular for fastening to the rafters of roof trusses. : de en
  • USD113485S - Design for a coat : en
  • US2148511A - Felt needling machine : en
  • CA379738A - Bead chain making apparatus : en fr
  • DE649531C - collar : de en
  • AU106649B2 - Improvements in process and apparatus for bending and tempering glass sheets : en
  • AU106654B2 - Improved process and apparatus for tempering tubular glass articles : en
  • AU106650B2 - Improvements in upholstery springing : en
  • CH203271A - Installation on automatic telephone systems for announcing the call charges by means of an acoustic tax reporting machine. : de en
  • AU200838A - Improvements in or relating to electrical conductors : en
  • US2148952A - Process for preparing cellulose ethers and products : en
  • US2148690A - Typewriting and like machine : en
  • US2148817A - Indicator for ignition apparatus : en
  • US2149072A - Mortise lock for printing blocks : en
  • CH203322A - Process for the preparation of a water-soluble condensation product. : de en
  • AU186138A - Improvements in and relating to air pumps and driving mechanism therefor : en
  • US2149024A - Electron discharge device and circuit for high frequency oscillations : en
  • DE672357C - Process for the production of transparent foils : de en
  • US2149136A - Telepicture scanning system : en
  • US2148454A - Container : en
  • BE432356A - assembly intended to maintain constant the voltage at the terminals of a current consuming device : en fr
  • AU106676B2 - Improvements mn latches for gates and doors : en
  • DE672317C - Closing flap for furniture coupled to a pull-out shelf and pivoting around an axis parallel to the front edge of the shelf : de en
  • US2148734A - Bucksaw : en
  • GB501790A - Improvements in or relating to apparatus for manufacturing rubber stems of tyre and like valves : en
  • FR838226A - New dyes : en fr
  • AU106683B2 - An improved cigarette paper : en
  • AU65038A - An improved cigarette paper : en
  • GB501455A - Improvements in machines for spinning textile fibres : en
  • FR838344A - Process for carbonizing materials such as briquettes : en fr
  • FR838346A - Water resistant zein product : en fr
  • GB501596A - Method of and means for conveying wool or other fibrous material : en
  • US2148973A - Necktie : en
  • US2148643A - Refrigerator control : en
  • US2148693A - Latch : en
  • FR838317A - Artificial substances containing nitrogen and process for preparing such substances : en fr
  • US2148731A - Speed control system : en
  • GB501519A - Improvements in or relating to wall-boxes and junction-boxes for use in connection with electrical wiring conduits : en
  • DE672383C - Multi-stage water ring pump : de en
  • PL27928B1 - The method of hardening glass objects. : en pl
  • US2149038A - Tool holder : en
  • PL27927B1 - A method of starting and facilitating the ignition of combustion engines driven by liquid fuel. : en pl
  • USD113590S - Design for a coat : en
  • FR838327A - Automatic mechanical pencil : en fr
  • GB501358A - Improvements in or relating to the purification of air in ventilating systems : en
  • FR838193A - Front wheel drive auto theft security device : en fr
  • FR838394A - Improvements in processes to protect against corrosion the sheaths of electric cables, pipes and all other metallic objects and products obtained : en fr
  • CA379770A - Internal combustion percussive hammer : en fr
  • GB501509A - Improvements in and relating to guard rails for attachment to motor vehicle bumpers : en
  • GB501571A - Improved air cooling for engines of motor vehicles : en
  • GB501754A - Improvements in or relating to the purification of sugar factory and refinery juices : en
  • BE431956A - : en
  • DE672232C - Insert barrel : de en
  • DE672461C - Lubricating device with piston for pressing the contents out of a sales container : de en
  • FR838300A - Remote controlled : en fr
  • GB501453A - Improvements in braking devices for iron skis : en
  • GB501379A - Improvements in or relating to composite metals, more particularly for electric contacts, and processes of making them : en
  • CH203094A - An oil burner for thick heating oils provided on a combustion system. : de en
  • US2148577A - Eccentric bolt lock for loom swords : en
  • US2148866A - Guide tube for mechanical pencils : en
  • US2148974A - Arch support : en
  • CH203168A - Identification device for skis. : en fr
  • FR838143A - Radiant steam generator with chain grate : en fr
  • GB501619A - Improvements in electric welding apparatus : en
  • DE672313C - Plastic pipette, e.g. Synthetic resin : de en
  • FR838246A - Four-lens photographic lens : en fr
  • DE672309C - Safety circuit for lighting systems, in which short-circuit currents of approximately the level of inrush currents can occur, especially in mines : de en
  • FR838376A - Method of making welded joints for the assembly of tubes to containers : en fr
  • GB501603A - Process for manufacturing coloured artificial textiles : en
  • DE672271C - Method and apparatus for projecting motion picture films : de en
  • FR838166A - Process for reducing the reaction rate of zinc dust : en fr
  • US2149237A - Sewing machine : en
  • FR838289A - Improvements to gauges or level indicators : en fr
  • GB501458A - Improvements in or relating to machines for trimming bolt heads : en
  • US2148451A - Means for dispensing ice cream and the like : en
  • FR838338A - Continuous heating oven or the like : en fr
  • GB501632A - Improvements in or relating to fuel-injection systems or devices for internal-combsution engines : en
  • FR838148A - Carburetor for pneumatic compensated explosion engine and automatic altitude correction : en fr
  • GB501476A - Method of preparing mercapto aryl thiazoles : en
  • FR838373A - Improvements to closures for microbiological culture tubes : en fr
  • GB501915A - Telephone exchange systems : en
  • US2148774A - Device for forming doughnuts or the like : en
  • US2149209A - Wire connecting sleeve : en
  • FR838249A - Circular knitting machine : en fr
  • GB501518A - Improvements in and relating to tobacco-feeding mechanism for cigarette-making machines : en
  • GB501583A - Improvements in automatic cut-outs for electrically heated utensils and appliances : en
  • CH203250A - Device for regulating the fuel supply to a carburetor burner. : de en
  • AU111427B2 - Improvements relating tothe capping of sealed envelopes of quartz or like material through which electric leads pass : en
  • DE672341C - Device for fitting inserts into shoes : de en
  • DE672437C - Box-shaped carbon copy device : de en
  • GB501494A - Improvements in dual controls for aircraft : en
  • DE672493C - Process for the preparation of compounds of the pyrimidine series : de en
  • GB501705A - Telegraph exchange system : en
  • GB501749A - Composite wrapping material and method of making same : en
  • US2148829A - Brush and utility paint box : en
  • FR838272A - Improved method and devices for producing an abrasive jet : en fr
  • FR838351A - Improvements to processes for preparing double fluorides of alkali metals and aluminum : en fr
  • USD113529S - Design for a coat : en
  • FR838261A - Device for sucking fuel out of the intake duct of internal combustion engines : en fr
  • US2148777A - Gas burner and support therefor : en
  • US2149212A - Colored rubber products and a process of producing them : en
  • PL27983B1 - Spring insert for padded furniture. : en pl
  • US2149206A - Reamer for tobacco pipes : en
  • US2148992A - Counting device : en
  • GB501414A - Improvements in or relating to pit supports or the like : en
  • FR838104A - Improvements to telecommunications cables : en fr
  • FR838115A - Assembly process by welding and products obtained, in particular chassis for railway rolling stock : en fr
  • FR838269A - Improvement in the manufacture of reinforced stockings : en fr
  • GB501409A - Improvements in or relating to optical prisms : en
  • GB501814A - Improvements in or relating to sunshine roofs and means whereby the sliding panel may be secured in adjusted position : en
  • US2148645A - Portable casing transformable into a table for sewing machines : en
  • US2148725A - Speed controlled brake : en
  • US2148730A - Apparatus for dispensing fluids : en
  • CH203278A - Flexible membrane dispenser container. : en fr
  • US2149113A - Vehicle wheel structure : en
  • AU106674B2 - Improvements in or relating tothe manufacture of methyl and ethyl lead compounds : en
  • CH203228A - Sheet metal body split parallel to the shaft axis for rotors or stands for electrical machines. : de en
  • CH203272A - Electric discharge tube for emitting images to be transmitted electrically; and method of manufacturing this tube. : de en
  • USD113517S - Design for a clothesback : en
  • USD113600S - Design fob a textile fabric : en
  • US2148767A - Grease dispensing apparatus : en
  • CH203335A - Process for the preparation of an azo dye containing complexed chromium. : de en
  • AU106633B2 - Improvements in or relating to thermionic amplifiers : en
  • US2148735A - Overhead door track construction : en
  • US2148838A - Ear protector : en
  • US2148527A - Thread cutter for looms : en
  • GB501623A - Improvements in or relating to conveyor systems : en
  • BE431996A - Improvements to electric cables : en fr
  • AU361838A - Improvements in or relating to electric oscillation generators : en
  • CH203341A - Process for the preparation of a substantive polyazo dye. : de en
  • US2148500A - potts : en
  • PL27933B1 - A method of imparting greater stability to the molecular system of toughened glass objects. : en pl
  • GB501419A - Improvements in or relating to bobbins for textile machinery : en
  • DE672553C - Piston steam engine with automatic control piston valve : de en
  • US2148513A - Shoe last : en
  • US2149050A - Rural mail box : en
  • AU106668B2 - Improvement in electron multiplier : en
  • US2149076A - Method for the manufacture of crystalline bodies : en
  • US2149226A - Control switch : en
  • CA379777A - Power transmission mechanism : en fr
  • CH203215A - Cylinder insert, especially for two-stroke internal combustion engines with cross or reverse flushing. : de en
  • USD113524S - Design fob a pin clip : en
  • USD113566S - Design foe an automobile traction : en
  • USD113581S - Design for a bedspread : en
  • CA379765A - Agitator for washing machines : en fr
  • US2148617A - Oil burner for ranges : en
  • US2149089A - Protective metal beading for furniture or the like : en
  • US2148769A - Inertia controlled brake : en
  • CH203237A - Large high-voltage capacitor made up of links with positively controlled potentials that differ from one another in operation. : de en
  • US2149023A - Adjustable link : en
  • AU111459B2 - Net control of Braun tubes : en
  • BE432156A - : en
  • USD113516S - Design fob a toothpick : en
  • CA379741A - Combination ironer and washing machine : en fr
  • CA379810A - Warp creel : en fr
  • CH203194A - Brake and clutch device for punching machines, presses and the like. : de en
  • CH203202A - Pull lock for bracelets. : de en
  • US2149163A - Tubular water gauge sight glass : en
  • USD113523S - Design for a pin clip : en
  • DE672512C - Knitting machine needle : de en
  • FR838099A - Cabin with windows fitted out for the use of the pilot or an observer (or both) in the fuselage of aircraft : en fr
  • FR838361A - Process for coating layers of halogenated vinyl polymers, containing softeners, with layers of cellulose derivatives : en fr
  • CA379835A - Cover for steering wheel rims : en fr
  • FR838059A - Engine suspension, particularly for motor vehicles : en fr
  • GB501374A - Improved process for the destructive distillation of coal : en
  • GB501502A - Improvements in or relating to vulcanising machines : en
  • US2148591A - Link trimming and fuse sizing mechanism : en
  • US2149029A - Mechanism for making composition shingles : en
  • DE672299C - Process for the production of solid ammonium perphosphate from its solution : de en
  • FR838355A - Improvements to the means for combating the propagation of flames at the outlet of a duct, in particular from an engine exhaust pipe : en fr
  • US2148872A - Switch device : en
  • US2149017A - Process of separating solid matter from a liquid : en
  • CA379760A - Sewage treatment : en fr
  • PL27982B1 - Method for obtaining technical magnesium oxide from dolomite. : en pl
  • US2148697A - Process and apparatus for treating felts and the like : en
  • US2148708A - Fibrous filtering media : en
  • USD113525S - Design fob a shoe or similar article : en
  • AU106630B2 - Improvements in or relating to hermetically sealed tins, canisters jars and like containers : en
  • US2148587A - Method of making packages : en
  • CH203141A - Process for the production of a new azo dye. : de en
  • DE672464C - Packaging sleeve for photographic negative material : de en
  • AU60638A - Photoelectric tubes : en
  • US2148786A - Brake : en
  • US2149018A - Drying apparatus : en
  • US2148639A - Engine frame : en
  • US2148657A - Storage battery level indicator : en
  • USD113557S - Design for an escutcheon plate : en
  • CH203108A - Shooting device for high-speed mechanical looms, in particular rapier looms. : de en
  • US2148490A - Method of manufacturing reinforced paper : en
  • US2149147A - Fluid seal diaphragm : en
  • USD113528S - Design fob a toy airplane wheel : en
  • DE672439C - Combined changeover switch and push-button switch with locking, especially for electric motors : de en
  • CH203280A - Cushion for packaging pressure-sensitive items. : de en
  • CH203112A - Sewing machine having an electric lighting device. : en fr
  • CA379825A - Filtering apparatus : en fr
  • FR838297A - Telephone system : en fr
  • AU106669B2 - Power actuating transmission means and switch : en
  • US2148709A - Fume eliminator for internal combustion engines : en
  • CH203273A - Device for generating photographs. : de en
  • CH203312A - Bust that allows clothes to be tried on without having to tear the seams of the latter. : de en
  • US2148625A - Extractor head for ingot strippers : en
  • US2149168A - Diving device : en
  • US2148427A - Method of fabricating lined vessels : en
  • US2149201A - Strap and method of making the same : en
  • CH203316A - Process for the preparation of a water-soluble condensation product. : de en
  • US2149146A - Gin rib mounting : en
  • DK55890C - Warning device with oscillating signal for motor vehicles, in particular with trailers. : da en
  • FR838192A - Safety device with switch enclosed in the body of the socket, the base of which carries the sockets of the socket : en fr
  • GB501629A - Tipping mechanism for tilting a receptacle or body : en
  • DK55872C - Process for the Preparation of Cyclopentanopolyhydrophenanthrenol- (3) -one- (17)'s or their hydroxyl substitution products. : da en
  • US2148433A - Apparatus for countersinking operations and the like : en
  • US2148465A - Fuel-charging apparatus : en
  • US2148703A - Safety fluid pressure control valve : en
  • US2149013A - Speed changing mechanism : en
  • USD113543S - Design fob a vending machine cabinet : en
  • CH203291A - Support bodies for motor vehicles. : de en
  • US2148432A - Water-soluble capillary-active sulphonates : en
  • CH201787A - Acoustic signal apparatus. : de en
  • CH203295A - Tires for vehicles. : de en
  • US2148450A - Message transmitting projecting system : en
  • USD113500S - Design fob a coat : en
  • CH203151A - Process for manufacturing regenerated leather and leather obtained by this process. : en fr
  • BE432061A - : fr
  • CA379751A - Sound image film : en fr
  • US2148937A - Apparatus for damping vibrations : en
  • US2149157A - Flexible blind and awning : en
  • CH203342A - Process for the preparation of a new, water-soluble dye of the anthraquinone series. : de en
  • PL27970B1 - The method of producing fibrous tapes of glass or other fusible materials and devices * for this process * : en pl
  • US2148637A - Container : en
  • US2148828A - Coin-freed game apparatus : en
  • FR838385A - Improvements to metal discharge tubes : en fr
  • FR838165A - Electric seal for spark plug : en fr
  • GB501612A - Thermally-operated automatic switch : en
  • GB501633A - Improvements in or relating to fuel-injection pumps for internal-combustion engines : en
  • PL27955B1 - How to protect stickers on rubber items, especially shoes. : en pl
  • DE672375C - Radio teaching system : de en
  • FR838331A - Improvements to lower flush water closets : en fr
  • GB501355A - Improvements in and relating to film containers or chargers for use in kinematographcameras : en
  • US2149031A - Manufacture of warp goods provided : en
  • FR838253A - : fr
  • AU492837A - Improvements in or relating to hermetically sealed tins, canisters jars and like containers : en
  • FR838322A - Process for the electrical purification of gases where the charge process produced by ionization is distinct from the process of precipitation in a static field without corona effect : en fr
  • GB501716A - A ward-leonard control system especially applicable to electric motors for driving, elevating and/or traversing gear of gun turrets : en
  • SE94857C1 - : en
  • USD113509S - Design for a lighting unit : en
  • GB501613A - Improvements relating to door control mechanism : en
  • USD113497S - Design for a coat : en
  • US2149189A - Trailer coupling and automatic brake mechanism : en
  • US2149122A - Shaft mounting : en
  • FR838293A - Light signaling device for vehicles and other applications : en fr
  • US2148799A - Artificial bait : en
  • DE672289C - High voltage condenser bushing : de en
  • US2148674A - Door check : en
  • FR838071A - Process for manufacturing cellulose sheets and in particular photographic film supports : en fr
  • US2149069A - Straightening machine : en
  • US2149095A - Mop holder : en
  • USD113602S - Design fob a textile fabric : en
  • US2148781A - Vehicle front end assembly : en
  • US2148420A - Rock drill : en
  • US2149019A - Means for displaying objects, specially applicable to shop windows : en
  • US2148717A - Process of extracting oil from oil sands : en
  • US2148993A - Door latch handle : en
  • DE649820C - Process for preventing frost formation on the outside of the pipes of deep-air coolers through which a cold liquid flows on the inside : de en
  • FR838219A - Improvements to folding chairs : en fr
  • CH203181A - Sidereal timepiece. : en fr
  • US2148759A - Variable transmission unit : en
  • BE431967A - : en fr
  • US2149174A - Golf practice device : en
  • USD113531S - Design for a vacuum sweeper : en
  • DE672452C - Throwing device at self-sellers for pouring energy : de en
  • US2149003A - Electrode clamp : en
  • US2149034A - Egg holding means : en
  • US2148567A - Device for the classification of handwriting : en
  • US2148653A - Turbine blade : en
  • US2148691A - Take-up : en
  • US2148958A - Step attachment for ladders : en
  • US2149132A - Cuff link : en
  • GB501531A - Manufacture of cellulose fibres resembling wool : en
  • PL27949B1 - Device for games. : en pl
  • FR838125A - Automobile clutch mechanism, placed behind the gearbox : en fr
  • FR838290A - Composite sealing ring for engine pistons and other applications : en fr
  • GB501373A - Improvements in and relating to wind-direction indicators : en
  • GB501493A - Device for governing the engine speed of injection internal combustion engines : en
  • DE672407C - Device for feeding the electric current into the contact wire for electricity consumers in toy aircraft : de en
  • DE672475C - Process for the production of artificial stones for absorbing moisture : de en
  • GB501686A - Improvements in and relating to thermostatic control switches : en
  • CH203079A - Horn shaper. : de en
  • US2148599A - Suction cleaner : en
  • CH203231A - Process for evenly twisting line elements for the production of multi-conductor telecommunication cables. : de en
  • US2148483A - Tooth and gum massager and exerciser : en
  • FR838088A - Operating process for gas turbines and gas turbines for carrying out this process : en fr
  • PL27921B1 - A trailer, especially for transporting crates of goods. : en pl
  • PL27963B1 - A system of inductively coupled vibration circuits with feedback. : en pl
  • US2149120A - Convertible furniture : en
  • CA379816A - Shoe manufacture : en fr
  • BE432430A - Method and device for drying dairy products, in particular whey : en fr
  • CA379800A - Joint stud : en fr
  • CA379822A - Soldering method : en fr
  • CA379740A - Cap and package : en fr
  • BE432036A - : en
  • BE432136A - : en
  • US2148915A - Telephone system : en
  • US2149193A - Knife : en
  • US2148758A - Prevention of gum development and the like in motor fuel : en
  • US2148787A - Refrigerating apparatus : en
  • US2148756A - Film handling device : en
  • US2148936A - Flame machining nozzle : en
  • CH203185A - Permanent magnet alloy. : de en
  • US2148495A - Apparatus for mining : en
  • AU319238A - Improvements in or relating to sealing compositions : en
  • US2148618A - Gas pressure regulator : en
  • DE1458432U - : de en
  • FR838118A - Special oar propulsion system for wheeled vehicles particularly applicable to sports toys : en fr
  • GB501825A - Improvements in processes for shuttleless weaving and in looms for such improved processes : en
  • BE432193A - Filling fireplace or stove : en nl
  • FR838105A - Electromagnetic device for sharpening razor blades : en fr
  • FR838210A - Improvements to valve bodies and fittings in general to reduce deformation under pressure : en fr
  • US2148448A - Method and apparatus for treating paper pulp : en
  • USD113514S - Design foe a coffee maker bowl : en
  • FR838194A - Improvements to compensation devices for the effects of temperature variations for indicating or measuring instruments : en fr
  • GB501756A - Improvements relating to magnetically-operated electric switches : en
  • US2148492A - Vehicle tire chain : en
  • CH203084A - Process for the production of hot paving compound. : de en
  • FR838100A - Special paint for dressed stone facings : en fr
  • GB501463A - Improvements in or relating to aircraft wing flaps : en
  • CA379842A - Wax recovery from petroleum tanks : en fr
  • US2148552A - Barrel plating machine : en
  • US2148663A - Tire vulcanizer : en
  • US2148848A - Clip : en
  • US2148921A - Governor mechanism : en
  • GB501614A - Improvements relating to an electric switch control means particularly for use with weighing mechanisms : en
  • CH203161A - Auxiliary device on typewriters for the correct positioning of several accounting sheets to be written on at the same time. : de en
  • DE672557C - Box support for railway vehicles pressed from one piece : de en
  • FR838080A - Process and installation for the packaging of bread cereals and others : en fr
  • CA379826A - Foot brake lever device : en fr
  • DE671982C - Vibrating screen : de en
  • DE672520C - Control device for the electrical reproduction of sound recordings : de en
  • AU106681B2 - Improvements in or relating to high frequency resonant line apparatus and circuits arrangements incorporating the same : en
  • FR838298A - Training in labellers : en fr
  • GB501477A - Process for burning of magnesia : en
  • US2149243A - Crate for milk bottles and the like : en
  • US2148611A - Method of and device for continuous dyeing : en
  • US2149058A - Method for distilling oils : en
  • US2148967A - Wing flap : en
  • USD113593S - Design for a bedspread : en
  • CH203105A - Textile fiber drawing device. : en fr
  • US2148459A - Package and means for attaching match container thereto : en
  • US2148562A - Alloys : en
  • USD113548S - Design for a dress ensemble : en
  • US2148746A - Pipe coupling : en
  • CH203245A - Dry rectifier. : de en
  • DE672308C - Device for the optional parallel connection of several networks or several generators with one network using only one synchronizer : de en
  • CA379790A - Temperature indicator : en fr
  • CH203171A - Aiming and control device on handguns. : de en
  • DE672491C - Process for the production of water-soluble compounds from unsaturated waxes : de en
  • CH203317A - Process for the preparation of a water-soluble condensation product. : de en
  • CH203263A - Telegraph system. : de en
  • US2149107A - Auxiliary unit for operating power plants : en
  • US2149048A - Artificial dental structure : en
  • CH203092A - Horizontal sliding door. : de en
  • CA379818A - Cooking utensil handle : en fr
  • CH203163A - Drawing machine. : de en
  • DE672347C - Folding box : de en
  • AU60738A - Photoelectric tubes : en
  • BE432120A - : en
  • FR838131A - Improvements to so-called cozy furniture, cozy corner and similar : en fr
  • CA379731A - Tear strip wrapping machine : en fr
  • GB501369A - Improvements in or relating to the manufacture of lubricating oils : en
  • GB501535A - Improvements in or relating to television and like systems : en
  • CA379733A - Sheet paper package : en fr
  • CH203348A - Spark plug. : de en
  • CH203190A - Continuous casting process. : de en
  • GB501356A - Improvements in or relating to kinematograph apparatus and to film magazines therefor : en
  • DE672367C - Device for driving civil engineering routes : de en
  • FR838244A - Spring grip mattress base : en fr
  • CA379776A - Gas cleaning apparatus : en fr
  • FR838227A - New azo dyes : en fr
  • US2148816A - Automatic choke for carburetors : en
  • USRE21020E - Washing machine : en
  • DE672444C - Method for producing a patterned smooth fabric on the flat left-left knitting machine and lock for such a machine : de en
  • DE672492C - Process for the production of emulsifiable fat mixtures from waxes : de en
  • FR838243A - Process for collecting and improving synthetic fatty acids : en fr
  • GB501738A - Improvements in or relating to hydraulic telemotor systems : en
  • FR838336A - Further development of electric lamps mounted on clamps : en fr
  • DE1458471U - : de en
  • CH203195A - Process for the heat treatment of metals of the iron group and their alloys. : de en
  • US2148797A - Automatic under-water torch lighter : en
  • FR838362A - Device for sharpening razor blades : en fr
  • FR838075A - Apparatus for turning or tumbling laminates : en fr
  • US2148920A - Process for producing compounds of the azole series : en
  • US2148944A - Fish-scaling tool : en
  • CH203184A - Process for the concentration of usable minerals through foam swimming treatment. : de en
  • CH203218A - Spark plug. : en fr
  • US2148476A - Nonrefillable bottle : en
  • GB501804A - Process for animalising spinning fibres : en
  • FR838065A - Rubber processing process : en fr
  • US2149144A - Garment hanger : en
  • GB501628A - Improvements in or relating to timber connectors, joints and the like : en
  • GB501752A - Improvements in and relating to compositions for treating the scalp : en
  • DE672184C - Level indicator for automatic switchgear, especially for electrically powered rail vehicles : de en
  • DE672572C - Fuel injection device for internal combustion engines : de en
  • DE672413C - Method for measuring electrical voltages using the compensation method : de en
  • CA379837A - Swinging door mechanism : en fr
  • DK55869C - Procedure for Glossy Treatment of Textile Materials. : da en
  • US2148650A - Metatarsal gauge : en
  • US2148773A - Highway paving construction : en
  • GB501447A - Improvements in or relating to the fitting of heels to shoes : en
  • US2149249A - Process for the production of aqueous solutions of sulphur and metal sulphides : en
  • FR838096A - Process and machine for making paper : en fr
  • FR838316A - Improvements to speeding indicators for vehicles : en fr
  • FR838324A - Cover for tires of all types of vehicles : en fr
  • FR838375A - Machine improvements for sorting statistics cards : en fr
  • USD113536S - Design for a grave marker : en
  • FR838061A - High-frequency network for superheterodyne-type radio receivers and similar applications : en fr
  • GB501691A - Piezo-electric apparatus for repeating electric impulses : en
  • DE672345C - Valance scraper fitting : de en
  • FR838142A - Deflector glass applicable to windows of motor vehicles : en fr
  • DE672426C - Schulzsch design tube dryer with spiral strips built into the drying tubes : de en
  • GB501536A - Improvements in percussive tools for expanding tubes : en
  • CA379768A - Dyeing device : en fr
  • CH203180A - Switching arrangement for a light flash stroboscope with adjustable frequency. : de en
  • FR838064A - High molecular weight polymerized substances : en fr
  • FR838381A - New manufacturing process for milk flour : en fr
  • GB501643A - Method of identifying mixtures of textile fibres : en
  • FR838248A - Circular knitting machine : en fr
  • BE432294A - : en fr
  • DE672376C - Arrangement for reducing the inductive interference caused by high-frequency transmitters or the like in high-frequency cables : de en
  • US2148721A - Burr holding device : en
  • AU95138A - Improvements in or relating to high frequency impedance transformer and coupling arrangements : en
  • CH203126A - Process for the mechanical preparation of sodium peroxide tablets. : en fr
  • US2148999A - Insole : en
  • US2148633A - Tuning and selectivity control : en
  • GB501653A - Manufacture of spun fibres having the character of wool : en
  • DE672570C - Internal combustion engine with thrust cam gear : de en
  • FR838163A - Improvements to dial weighing instruments : en fr
  • FR838359A - Elastic coupling : en fr
  • GB501585A - Improvements relating to the utilisation of whey and other dairy residual products : en
  • US2148716A - Treatment of heavy hydrocarbon oils with light hydrocarbons : en
  • US2148768A - Register totalizer : en
  • IE15358L - Basic refractories : en
  • SE94828C1 - : en
  • US2148525A - Degradation of cereals : en
  • US2148551A - Portable stock holder : en
  • US2148885A - Drying casings : en
  • FR838330A - Improvements in the manufacture of discontinuous load telephone cables : en fr
  • GB501639A - Improvements in or relating to thermionic valves : en
  • ES144239A1 - A calculation device to solve straight triangles. : en es
  • US2149044A - Control mechanism for forging machines : en
  • FR838070A - Welding improvements : en fr
  • US2148820A - Case packing machine : en
  • DE672565C - Device for securing dental nerve needles against falling in the mouth : de en
  • USD113582S - Design for a bedspread : en
  • AU838A - Improvements in or relating to thermionic amplifiers : en
  • CA379851A - Beading machine : en fr
  • US2148484A - Pool type discharge device : en
  • US2148548A - Basket display rack : en
  • FR838368A - X-ray machine : en fr
  • FR838386A - Closure for container necks : en fr
  • GB501362A - Improvements in containers for disc-shaped articles : en
  • CH203350A - Cable for the transmission of high frequency alternating currents. : en fr
  • FR838328A - Rotary agricultural tiller tool : en fr
  • AU59638A - Improvements in or relating to acceptance bandwidth regulators for superheterodyne receivers : en
  • US2148752A - Retardation controlled brake : en
  • USD113604S - Design fob a textile fabric : en
  • CA379841A - Trousers cuffs : en fr
  • CH203189A - Process for treating substances containing tantalum and niobium, with a view to obtaining an alloy containing tantalum and niobium. : en fr
  • US2148469A - Process and device for reducing sheet metal : en
  • USD113493S - Design fob a shoe heater : en
  • US2148943A - Pneumatic metal straightener : en
  • US2148512A - Shoe last : en
  • CH203193A - Device for electrical welding. : de en
  • AU21738A - An improved antiglare device for road vehicle headlamps : en
  • AU106657B2 - Improvements in and relating to bearings : en
  • DE672353C - Metal vacuum container for holding low-boiling, liquefied gases under pressure : de en
  • US2148962A - Airplane wing construction : en
  • US2149011A - Curtain heading : en
  • US2149042A - Trash receptacle : en
  • CH203301A - Method for producing a moth repellent. : de en
  • PL27915B1 - Sorting method for mixed materials. : en pl
  • US2149033A - Motor fuel : en
  • DE672350C - Process for the production of capillary-active sulfonation products : de en
  • PL27946B1 - Method of nickel plating of zinc sheets]. : en pl
  • US2148623A - Grenade : en
  • US2148927A - Combination comb and stretching pin : en
  • US2148985A - Knitting machine and process : en
  • GB501746A - Improvements in or relating to the manufacture of bricks, tiles and the like : en
  • US2148942A - Railway truck : en
  • CA379786A - Roofing felt : en fr
  • CH203099A - Furniture. : en fr
  • DE672468C - Door handle fastening : de en
  • FR838232A - Stripping of surfaces covered with rust and paint by pressurized water : en fr
  • GB501712A - Improvements in and relating to electric lamps and methods of manufacturing the same : en
  • CH203248A - Installation of electric tilting furnace. : en fr
  • US2148844A - Packing head for oil wells : en
  • US2148747A - Pipe coupling and the method of making and using the same : en
  • CA379746A - Sizing method and machine : en fr
  • CA379753A - Thermoplastic tubular article manufacture : en fr
  • US2149039A - Purification of halogenated hydrocarbons : en
  • USD113591S - Design for lace : en
  • PL27950B1 - Method of obtaining rubber solutions of low viscosity. : en pl
  • USD113542S - Design fob a money back : en
  • US2148938A - Shuttle : en
  • AU106691B2 - Lubricant and method of producing same : en
  • CH203077A - Ground containers for plants. : de en
  • AU264938A - Process of manufacture of reticulated surface vulcanized rubber sheet : en
  • CH203183A - Clock. : de en
  • PL27964B1 - Method of making metal surfaces resistant. : en pl
  • US2148502A - Antiskid lug welding machine : en
  • US2148723A - Automatic punching form for box wrapping machines : en
  • CH203115A - Braiding machine spindle. : de en
  • BE432049A - : en
  • CA379788A - Lighting fixture : en fr
  • CH203135A - Process for the preparation of phytyl bromide. : de en
  • AU98038A - Improvements in mens bathing or swimming costumes : en
  • CH203211A - Procedure for the operation of steam turbines during start-up and load acceptance. : de en
  • SE94872C1 - Feed gate for cattle stables : en sv
  • US2148800A - Differential screw for vises : en
  • CA379775A - Flavouring matter : en fr
  • GB501835A - Process and apparatus for reducing the power required for the mechanical treatment of movable masses : en
  • AU322638A - Improvements in automatic lock sliders for separable fasteners : en
  • AU106653B2 - Method of and apparatus for forming concrete pipes andthe like situ : en
  • CA379761A - Raking mechanism for sedimentation tanks : en fr
  • AU106690B2 - Improvements relating tothe treatment of materials with and tothe establishment of volatile solvents : en
  • US2148923A - Apparatus for automatically indicating the weight of the pickling brine to be supplied to meat for the purpose of pickling the latter : en
  • US2148594A - Calculating mechanism : en
  • USD113587S - Design for an intercommunicating : en
  • DE672301C - Light signal circuit : de en
  • DK55892C - Resilient Window Hasp. : da en
  • FR838066A - Advertising system comprising posters in color or in drawings with a variation of effects obtained by means of a partially transparent screen superimposed on a background, the two being movable relative to each other : en fr
  • CH203197A - Auxiliary table to be placed on grinding machine tables. : de en
  • GB501739A - : en
  • CH203212A - LPG generator system. : de en
  • DE672534C - Pack for food with oval cross-section : de en
  • GB501553A - Improvements in gear grinding machines : en
  • GB501606A - Improvements in the manufacture of diffraction gratings : en
  • GB501674A - An improved heel for boots and shoes : en
  • PL27974B3 - The method of sintering finely ground materials. : en pl
  • US2148740A - Pump : en
  • US2148765A - Mass and form vibrator : en
  • US2149094A - Photographic focal plane shutter : en
  • USD113544S - Design fob a dress : en
  • US2148507A - Motor starting device : en
  • US2149022A - Fish filleting machine : en
  • US2149151A - Massaging vibrator : en
  • AU106652B2 - Improvements in and relating to yarn feeding mechanism : en
  • CH203290A - Heater for automobiles. : de en
  • PL27978B1 - Hydronette for producing air foam. : en pl
  • US2148719A - Compressor control system : en
  • DE672394C - Check-writing calculating machine, accounting machine or the like. : de en
  • GB501815A - Improvements relating to magnetically-operated electric switches : en
  • AU414438A - Improvements in electric discharge lamps adapted for use as sources in optical projection apparatus : en
  • FR838158A - Packaging device : en fr
  • DE672334C - Switching device for gear change transmissions, especially of motor vehicles : de en
  • GB501348A - Improvements in or relating to adjustment mechanisms for tuning condensers in radio receivers and for like purposes : en
  • CA379792A - Shaft seal : en fr
  • DK55871C - Procedure for liquefying chlorine. : da en
  • CH203284A - Distribution device for bulk material downpipes. : de en
  • US2148585A - Clasp for bracelets, wrist watches, waist girdles, etc. : en
  • US2149129A - Shock absorber : en
  • CH203147A - Adhesive. : de en
  • CA379791A - Filing cabinet : en fr
  • US2148462A - Tubular heat treating furnace tray : en
  • US2148640A - Spring construction : en
  • USD113494S - Design for a combined washing : en
  • AU106666B2 - Means for manually operating the treadle ofa sewing machine orthe like : en
  • US2149071A - Knitted fabric : en
  • US2148849A - Faced seamless glove : en
  • US2149208A - Ash receiver : en
  • USD113585S - Design for a brooch or similar : en
  • PL27967B1 - A method of treating water with the help of electric current in order to reduce the harmful effects of its hardness. : en pl
  • US2148672A - Method of making fastener elements : en
  • CH203187A - Process for the preparation, from materials containing tantalum and niobium in the oxidized state, of a slag enriched in tantalum and niobium. : en fr
  • CH203230A - Method for stabilizing DC power transmission systems. : de en
  • GB501635A - Improvements in process of glutamic acid production : en
  • GB501813A - Process for the manufacture of sterile preparations : en
  • FR838334A - Further development of explosion or internal combustion engines : en fr
  • US2148478A - Harmonic tone production for the generation of musical tone qualities : en
  • GB501391A - Improvements in and relating to devices for closing an electric circuit by means of rails : en
  • GB501757A - Arc welding apparatus with coated electrodes : en
  • CA379824A - Tailor's canvas substitute : en fr
  • CH203213A - Method for the operation of multi-cylinder high-altitude engines and device for carrying out the same. : de en
  • CH203336A - Process for the preparation of a substantive polyazo dye. : de en
  • AU511537A - An improved exterminator for insects such as blowflies : en
  • US2148905A - Method for the treatment and utilization of scrap or waste leather : en
  • US2149007A - Heat exchanger : en
  • USD113552S - Design fob a reversible fbont : en
  • CH203111A - Needle thread tensioning device for sewing machine. : en fr
  • US2148874A - Preparation of crystalline anhydrous citric acid : en
  • US2148900A - Cash register : en
  • CA379756A - Mixing apparatus : en fr
  • CA379853A - Hydrocarbon burner : en fr
  • DE672364C - Cast armor plate : de en
  • AU404638A - Improvements in or relating to electric discharge tubes : en
  • DE672418C - Two-stroke internal combustion engine with flat pistons, in particular a carburetor engine : de en
  • DK55879C - Permanent Magnet of Powdered Material. : da en
  • CH203260A - Means for the local production of heat. : de en
  • USD113508S - Design fob a spinning tumbler : en
  • USD113537S - Design for a grave marker : en
  • CA379785A - Desk set : en fr
  • US2148683A - Radioactive article : en
  • US2149126A - Oscillatory motor : en
  • AU69438A - Improvements in or relating to telephone instruments : en
  • BE432039A - : en fr
  • DE672404C - Beer mug cap head : de en
  • FR838313A - Device for washing the throat of children : en fr
  • DE672397C - Device for converting poorly volatile fuels for operating internal combustion engines : de en
  • DE672496C - Die setting and line casting machine with switching device for the die waste funnel and the triggering rod : de en
  • FR838205A - Improvements in devices for converting the kinetic energy of oscillating bodies into rotational, translational, or both rotational and translational motion : en fr
  • FR838217A - Chronometric device for controlling the speed of road vehicles : en fr
  • GB501702A - Selector mechanism for use in telegraphic printers : en
  • GB501730A - Improvements in or relating to apparatus for drying grass and the like : en
  • AU407338A - Improvements in and relating to tennis or like rackets : en
  • CH203129A - Process for the preparation of 2-keto-1-gulonic acid by the oxidation of 1-sorbose. : de en
  • CH203148A - Process for the preservation of rubber articles. : de en
  • US2148498A - Locking device : en
  • DE672577C - Saw blade sharpening machine in which the saw blade rotating in the cutting direction is processed by a pendularly moving grinding wheel : de en
  • CH203305A - Method for producing a moth repellent. : de en
  • AU106635B2 - Improvements in or relating to electrical oscillation generators operating onthe retarding field principle : en
  • AU106872B2 - Improvements in or relating to high frequency impedance transformer and coupling arrangements : en
  • US2149188A - Trailer coupling and automatic brake mechanism : en
  • AU93139A - Net control of Braun tubes : en
  • CH203152A - Process for the electrolytic production of tin coatings. : de en
  • US2148955A - Method of and means for dressing rotating disks for grinding gears with inclined teeth : en
  • PL27979B1 - Hand brake for the bicycle. : en pl
  • US2148471A - Safety device for use on aircraft employing retractable landing gear : en
  • US2148925A - Method of repointing a worn excavator tooth : en
  • CH203252A - Device with at least two gas-filled discharge tubes connected in parallel. : de en
  • US2148583A - Casting metals : en
  • US2149247A - Saddle : en
  • DK55881C - Fish Cutting Machine. : da en
  • GB501543A - Improvements in process for production of the lactam of glutamic acid : en
  • GB501832A - Improvements in or relating to method and apparatus for the instantaneous gasification of liquid fuel : en
  • CH203088A - Method of erecting structures. : de en
  • US2148928A - Mothproofing composition : en
  • USD113571S - Design for a glass dish : en
  • US2149191A - Sculptural, architectural, and like objects : en
  • US2149063A - Locomotive : en
  • CH203139A - Process for the preparation of ring-alkylated aromatic compounds. : de en
  • CH203265A - Method and device for reproducing recordings of physical processes. : de en
  • CH203078A - Process for the preparation of α-naphthacetoylglycine. : de en
  • GB501360A - Improvements relating to ignition apparatus for internal combustion engines : en
  • GB501528A - Improvements in metallic compound resistors : en
  • GB501533A - Improvements in or relating to spring suspensions for power driven and other vehicles : en
  • GB501552A - Improvements in or relating to cloth and processes of treating same : en
  • GB501659A - Apparatus for visually indicating the degree of moisture in paper during manufacture : en
  • CA379821A - Colour photography : en fr
  • GB501515A - Improvements in or relating to thermionic valves : en
  • GB501719A - Improvements in fastening clips and the like : en
  • US2148815A - Concrete vault mold : en
  • US2148903A - Rotary water cleansing apparatus : en
  • FR838222A - Azo dyes : en fr
  • AU106656B2 - Improvements in and relating to cartons : en
  • PL27945B1 - Pressed explosive. : en pl
  • US2148791A - Brake mechanism : en
  • USD113578S - Design fob a jar ob similab abticle : en
  • USD113522S - Design fob a zone marker : en
  • DE672358C - Piston-controlled two-stroke internal combustion engine : de en
  • GR8026B - METHOD OF PRESERVATION OF FRUIT, VEGETABLES AND ANIMAL FOOD. : el en
  • US2148859A - Heat treatment method and apparatus : en
  • USD113569S - Design for a dress : en
  • USD113605S - Design for a bedspread : en
  • USD113588S - Design for an intercommunicating : en
  • US2148487A - Mixed fabric : en
  • US2148461A - Regulating mechanism for locomotive stoker engines : en
  • US2149171A - Sheet reflector : en
  • USD113553S - Design for a nozzle end fob a ther : en
  • DE672480C - Process for the production of acetaldehyde : de en
  • DE672391C - Process for the production of marbled or grained molded bodies from synthetic resin mass : de en
  • GB501469A - Improvements in wire fencing : en
  • AU106663B2 - Improvements in or relating to telephone instruments : en
  • AU106664B2 - Improvements in mens bathing or swimming costumes : en
  • BE431990A - : en
  • CA379735A - Brake shoe pin : en fr
  • DE672424C - Torsional vibration damper for tension wires, wing and tail surfaces and adjustment device for propellers : de en
  • US2148790A - Time controlled electrical switch : en
  • US2148970A - Process for liquid purification : en
  • USD113574S - Design for a shoe : en
  • AU106636B2 - Improvements in or relating to acceptance bandwidth regulators for superheterodyne receivers : en
  • US2148805A - Method of making oil hole drills : en
  • US2149148A - Optical instrument for orthoptic purposes : en
  • DE672422C - Rotatable feed sleeve for processing hollow workpieces with side inlet and outlet openings : de en
  • GB501485A - A process for the production of a pure white cellulose product from raw sawdust : en
  • USD113506S - Design for a locket : en
  • US2148994A - Receiving apparatus equipped with several loudspeakers : en
  • US2149207A - Ash receiver : en
  • CH203113A - Process for the production of a cross-ribbed warp knitting using two laying machines on a single-needle warp knitting machine. : de en
  • CH203127A - Process for the purification of alkali metal hydroxide solutions. : en fr
  • DE672241C - Circuit arrangement for paging systems : de en
  • PL27916B1 - Continuous electrode cover. : en pl
  • PL27930B1 - The method of producing tertiary alcohols of the cyclopentane - polyhydro - phenanthrene series. : en pl
  • PL27961B1 - Apparatus for obtaining non-dazzling headlight, especially for motor vehicles. : en pl
  • US2148544A - Method of plasticizing cheese and product : en
  • US2148803A - Enclosed fuse : en
  • DE672483C - Process for the production of molded bodies from urea-formaldehyde condensation products : de en
  • GB501658A - Improvement in process of and apparatus for separating minerals from gangue : en
  • US2149221A - Antiknock gasoline : en
  • US2148606A - Mounting for independently sprung front wheels of automotive vehicles : en
  • FR838255A - Device adaptable to any plow for automatic plowing work : en fr
  • US2148620A - Photographic apparatus : en
  • US2149128A - Skirt : en
  • CH203085A - Heating appliance with a wood-fired gasifier. : en fr
  • CH203233A - Switching arrangement for the remote transmission of direct current pulses, in which the transmitting and receiving devices belonging to a remote control system are switched on between a conductor of an alternating current network and earth. : de en
  • CH203297A - Bicycle frame. : de en
  • PL27985B1 - Variable-circumference coil for winding rayon. : en pl
  • DE672325C - Immediate actuation of several shut-off and regulating elements with one handle : de en
  • US2148692A - Articulator : en
  • FR838388A - Transformer output circuit for sawtooth currents : en fr
  • USD113594S - Design fob a bedspread : en
  • US2148524A - Spring bumper arrangement on attic fans : en
  • FR838256A - Gas generator for the destruction of moles and other animals : en fr
  • GB501496A - Processes of preparing liver extracts : en
  • FR838073A - Improvements to mechanical devices determining the lifting, rotation, lowering, and jamming of a tap wrench in its plug : en fr
  • GB501729A - Improvements in and relating to the production of sulphonic compounds : en
  • US2148841A - Combination lawn mower, trimmer, sweeper, and soil working machine : en
  • USD113555S - Design for a tractor : en
  • US2149037A - Wiper for windshields : en
  • US2149184A - Method of and apparatus for feeding fuel : en
  • PL27960B3 - The method of transferring a number of combustible gases and equipment for carrying out this * method * : en pl
  • US2149047A - Door closer : en
  • FR838302A - Device for planning curves : en fr
  • GB501689A - Single control switch for controlling the lighting and warning circuits of automobile vehicles : en
  • GB501713A - Improvements in the manufacture of pistons : en
  • FR838116A - File folder and its mechanism : en fr
  • FR838127A - New method and device for registering plates on multi-color offset printing machines : en fr
  • DE672387C - grill : de en
  • GB501504A - Improvements relating to machines for spinning textile fibres : en
  • GB501576A - Improvements in or relating to self propelled liquid distributing apparatus : en
  • US2149200A - Alarm signal system : en
  • GB501366A - Improvements in or relating to melting and purifying sulphur : en
  • US2148853A - Fountain pen : en
  • CH203343A - Process for the preparation of a new anthraquinone dye. : de en
  • FR838280A - Device for securing and releasing projectiles or other devices on board flying machines : en fr
  • ES144250A1 - A procedure for the treatment of ferruginous minerals. : en es
  • CH203307A - Mixed element of construction. : en fr
  • FR838141A - Individual control of axles of steam locomotives, by high-speed piston steam engines : en fr
  • GB501683A - Improvements relating to electric heaters for the windscreens of motor vehicles : en
  • US2149104A - Whipping and beating device : en
  • USD113541S - Design for a wheeled tot figure : en
  • US2148519A - Process of making printing plates : en
  • US2148526A - Method of treating insulated electrical conductors : en
  • US2148670A - Apparatus for controlling the temperature of exothermic reaction chambers : en
  • US2148741A - Age-hardening lead base alloys : en
  • GB501549A - Improvements in and relating to appliances for playing games : en
  • PL27959B1 - Armored vehicle powered by an engine. : en pl
  • US2148582A - Fold former for neckties : en
  • FI18406A - Ski : en fi
  • DE672401C - Wing flap for aircraft wing : de en
  • US2148578A - Signaling system : en
  • US2148843A - Automatic variable pitch propeller : en
  • DE672521C - Device for printing and issuing tickets : de en
  • GB501511A - Improvements in or relating to the colouring of stone chippings and the like : en
  • AU106647B2 - Photoelectric tubes : en
  • DE672500C - Control transformer, especially for AC vehicles, with a three-legged iron core : de en
  • PL27952B1 - Method for determining the weight of solid or liquid materials. : en pl
  • US2148724A - Railway vehicle and lateral motion resistance and centering device therefor : en
  • US2149106A - Tractor trailer brake control system : en
  • GB501587A - Improvements in or relating to electro-optical systems for recording sounds and like oscillatory signals : en
  • FR838095A - Further development of coulters for row seeders : en fr
  • GB501491A - Improvements in and relating to die or pressure casting machines : en
  • PL27931B1 - The method of manufacturing building boards. : en pl
  • US2148688A - Garment hanger : en
  • FR838235A - Clamping device for multi-leg support legs : en fr
  • US2148434A - Panel building construction : en
  • USD113499S - Design fob a hat : en
  • DE672446C - Roll-up device for flat warp knitting machines : de en
  • GB501621A - Improvements in and relating to the control of electrically driven reciprocating machines : en
  • DE672538C - Chamber furnace for the production of gas and coke : de en
  • FR838198A - Apparatus for sorting or classifying fine particles : en fr
  • GB501744A - Improvements in or relating to scouring, polishing and the like : en
  • US2148989A - Spent razor blade holder : en
  • US2149093A - Method and apparatus for X-ray production : en
  • US2149156A - Grain puffing machine : en
  • GB501638A - Improvements in the production of pile surfaced materials : en
  • CH203145A - Polish for painted surfaces. : de en
  • DE671413C - Contactor control for alternating current and three-phase systems by means of direct current contactors : de en
  • DE672310C - Power indicator lamp for electrical circuits and consumer devices : de en
  • DE672485C - Centrifugal dust extractors : de en
  • DK55882C - Air valve. : da en
  • FR838172A - Product intended to assemble objects by gluing : en fr
  • GB501418A - Improvements in or relating to pasteurizers for liquids or foodstuffs contained in bottles or other receptacles : en
  • GB501600A - Improvements in or relating to foldable photographic cameras : en
  • GB501559A - Improvements in or relating to the treatment of fibrous materials to render the sameresistant to oil, grease and hydrocarbons : en
  • US2148602A - Footwear : en
  • CH203292A - Streamlined vehicle with a rear engine. : de en
  • DE672287C - Process for the production of drying condensation products from glycerine, polybasic acids and drying oils : de en
  • DE672567C - Process for refining lead containing bismuth : de en
  • US2148789A - Loose leaf binder : en
  • US2148951A - Organic starch derivatives and process : en
  • US2148421A - Self-measuring dispenser : en
  • US2148824A - Selector : en
  • ES144244A1 - A new fuze to percussion of great safety in the handling and effective improvement. : en es
  • FR838216A - Manufacturing process for yarns, fabrics and other articles of asbestos fibers and glass fibers : en fr
  • US2149137A - Terminal connector : en
  • PL27932B1 - Device for controlling the opening and closing process of mechanically actuated vehicle doors. : en pl
  • PL27956B1 - How to treat the hair before filing. : en pl
  • US2148965A - Composite light : en
  • US2148435A - Station selector system : en
  • US2149077A - Deflecting circuits : en
  • US2148832A - Manufacture of improved rubber chloride and like compositions : en
  • CH203201A - Connection device for bracelets. : de en
  • FR838114A - Conveyor roller for high temperature products : en fr
  • GB501651A - Improvements in carburetters for internal combustion engines : en
  • FR838200A - Water insoluble azo dyes and process for preparing these dyes in substance or on the fiber : en fr
  • US2148949A - Tent pole : en
  • PL27935B1 - The method of separating acetylene from ethylene and ethane. : en pl
  • CA379823A - Aircraft speed indicator : en fr
  • CH203093A - Boiler, especially for central heating. : en fr
  • CH203304A - Method for producing a moth repellent. : de en
  • DE672318C - Trolley system : de en
  • CH203083A - Marking and signaling border for roads and streets. : en fr
  • USD113550S - Design for a fluorescent tube unit : en
  • DE672280C - Slide connection with the connecting means receiving cross bands : de en
  • GB501545A - Improvements in instruments for indicating measurements of height, depth or distances : en
  • GB501649A - Improvements relating to the reinforcement of synthetic resinous materials and objects : en
  • GB501830A - High tension field coil : en
  • GB501914A - Apparatus for illumination in coal mines and other explosive atmospheres : en
  • US2148939A - Pump : en
  • FR838185A - Process for the preparation of oily hydrocarbons and optionally high-value distillation residues : en fr
  • GB501811A - Improvements relating to dynamo regulators : en
  • AU211538A - Improvement in electron multiplier : en
  • FR838364A - Traction sprayer particularly applicable to sulphating : en fr
  • GB501473A - Improvements in or relating to solderless wire connectors : en