• DK49486C - Line block coupling for automatically controlled signals. : da en
  • US1979513A - Car lighting system : en
  • US1979659A - Coin sorting machine : en
  • DE605294C - Process for the production of contact and connection points of high-value resistors : de en
  • FR772764A - Throttle flow control device : en fr
  • DE605128C - Foundry for casting semi-cylindrical stereotype plates : de en
  • FR772793A - Device for mounting the vanes of a granulated or fluid coupling : en fr
  • FR773046A - Automatic coffee maker : en fr
  • US1979587A - Meat cutting machine : en
  • FR772869A - Gear for the service of two or more oil engines : en fr
  • US1979442A - Removal of residual debismuthizing reagents in lead refining : en
  • US1980045A - Bathroom scale : en
  • US1980136A - Shock absorbing means : en
  • DE605182C - Process to protect chromium-nickel steels from attack by acids : de en
  • FR772810A - Duplicator : en fr
  • GB419045A - Improvements in luminous electric discharge lamps : en
  • US1979377A - Coin testing and ejecting mechanism for vending machines : en
  • US1979838A - Distillation of tar : en
  • US1979327A - U nit eb s t a t e s p ate nt off : en
  • US1979531A - Apparatus for the waving of the hair : en
  • US1979559A - Ester of hydroxybenzoic acid : en
  • US1979750A - High-lift attachment for frameless plows : en
  • FR772728A - Improvements to liquid meters : en fr
  • GB419159A - Improvements in slidable mountings for seats, wagon bodies, luggage carriers and the like : en
  • US1979427A - Combination radiator and humidifier : en
  • US1979608A - Pressure switch : en
  • USD93768S - Design for a flower container stand : en
  • DE605386C - Control device for vehicles driven by an internal combustion engine and hydraulic power transmission to the vehicle axles : de en
  • FR772815A - Improvements to direct injection, four-stroke and continuously supercharged combustion engines : en fr
  • FR773037A - : fr
  • FR772890A - Superheterodyne receiver usable as an electric phonograph amplifier : en fr
  • US1980081A - Bearing : en
  • US1980101A - Head-down persuader : en
  • DE605160C - Anchor escapement for photographic locks : de en
  • DE605293C - Wing wheels, which suck in air through openings provided in the hub and drive it to the wheel circumference : de en
  • FR772896A - Improvements to heat exchangers : en fr
  • GB419204A - Improvements in or relating to means for use in recording sound and other vibrations : en
  • FR772926A - Carburetor improvements : en fr
  • GB419073A - Improvements in or relating to thermionic amplifiers : en
  • FR772965A - Grinding and sanding machine, for cylindrical or slightly conical bars, in metal, wood, plastics, etc. : en fr
  • FR772735A - High frequency transmission system, particularly intended for the transmission of signals along high voltage lines : en fr
  • US1979494A - Meat-tendering machine : en
  • US1979527A - Cleaning and polishing apparatus : en
  • FR772942A - Water bucket : en fr
  • US1979516A - Manufacture of organic esters : en
  • US1979861A - Step plate : en
  • DE605122C - Process for the treatment of cellulose or cellulose-containing materials for the purpose of esterification with liquids which act on them with evolution of heat in a heterogeneous system : de en
  • DE605214C - Tight connection for pipelines with lip seals arranged in the grooves of the socket or the sleeve pushed over the butt joint of the pipes : de en
  • US1979354A - Winding device : en
  • US1979729A - Production of sponge iron : en
  • DE604915C - Elevator system with the car driven by a DC motor, which is fed by a generator driven by an asynchronous motor : de en
  • FR772730A - Continuous process for the transformation of liquid and solid hydrocarbons into non-condensable gaseous hydrocarbons, without carbon deposition : en fr
  • GB419597A - Improved apparatus for subjecting part of the person to the action of a fluid stream : en
  • US1979966A - Wire wheel truing machine and method : en
  • DE605306C - Metal press with heating elements surrounding the transducer : de en
  • FR772980A - Improvements in angular movement indicators : en fr
  • GB419213A - Improvements in or relating to valve seat inserts for internal combustion engines : en
  • AT139366B - Lever switch with switching drum (drum switch). : de en
  • DE605164C - Dividing device for tool grinding and milling machines : de en
  • FR772916A - Sealing system for reciprocating parts : en fr
  • DE605249C - Electromotive reversing drive for work machines with pulling and pushing action : de en
  • GB419113A - Improvements in or connected with throttle controls for aircraft : en
  • US1979964A - Quantitative spectral analysis : en
  • GB419351A - Improvements relating to movable floors for vehicles : en
  • US1979595A - Production of iron oxide pigment : en
  • US1979795A - Golf practice ball : en
  • AT139446B - Process for converting neutralized sulfonation products of higher aliphatic alcohols into dry form. : de en
  • AT139332B - Cleaning device for card drums. : de en
  • CA345768A - Vehicle suspension : en fr
  • USD93799S - Design fob a bottle : en
  • US1979456A - Dooriatch : en
  • US1979925A - Apparatus for the production of artificial threads from cuprammonium solution : en
  • GB419106A - Improvements in or relating to registration number plates for motor vehicles and to other signs or the like : en
  • US1979612A - Drum operating mechanism for portable cranes : en
  • FR772974A - Compressor unit, refrigeration liquefier : en fr
  • CA345831A - Non-knocking fuel : en fr
  • GB418983A - Improvements in or relating to rackets for lawn tennis and other games and the manufacture thereof : en
  • GB419259A - Improvements in devices for filtering liquids : en
  • US1979515A - Manufacture of organic esters : en
  • US1979632A - Fruit picking bag : en
  • US1979794A - Molded pulp article : en
  • GB419205A - Improvements in or relating to gramophones : en
  • FR772813A - Aviator helmet with telephone : en fr
  • FR773089A - Further training in sheet metal working machines : en fr
  • GB418981A - Manufacture of lenses : en
  • GB419325A - Improvements in sewage distributors : en
  • GB419212A - Improvements in windscreen wipers for vehicles : en
  • DE605108C - Process for the production of sintered hard alloys : de en
  • US1979842A - Refrigerating apparatus : en
  • FR773099A - Gas torch for lighting fireplaces : en fr
  • FR773048A - Rigging machine with semi-cylindrical coulter and helical release ramp : en fr
  • US1979597A - Manufacture of lasts : en
  • US1980086A - Shoe fastener : en
  • FR772734A - Device for adjusting the grids of gas or vapor atmosphere discharge tubes : en fr
  • GB419049A - Improvements in machines for the manufacture of flexible tubing : en
  • US1979304A - Method of connecting cables and the like and article produced thereby : en
  • CA345806A - Tire valve cover : en fr
  • GB419306A - Improvements in or relating to methods for the production of sheet material from artificial plastic masses : en
  • GB419598A - Improvements in and relating to steering gear for vehicles : en
  • GB419165A - Improvements in or relating to apparatus for cutting web material into pre-determined lengths : en
  • GB419285A - Improvements in and relating to jacketed steel electrodes for electric arc welding : en
  • GB419098A - Improvements in syphons for flushing cisterns : en
  • GB419264A - Lifting truck : en
  • GB419019A - Improvements in or relating to a rotary drum furnace : en
  • CA345753A - Textile material penetration with latex : en fr
  • CA345813A - Superheater : en fr
  • CA345808A - Pressure liquid regulator : en fr
  • US1979970A - Razor blade sharpening machine : en
  • AU1508233A - Improvements in or relating to radio receiving systems : en
  • FR772799A - Method and device for absorption refrigeration machines, as well as for thermal pumps and compressors : en fr
  • DE605377C - Reversing device for machines with changing direction of rotation : de en
  • US1979428A - Measuring faucet : en
  • US1980061A - Measuring container for powdered and granular substances : en
  • CA345803A - Headlight : en fr
  • FR772856A - Process for obtaining phenol : en fr
  • US1979400A - Distributing piping for sprinkler systems : en
  • US1979626A - Means for manufacturing hollow building blocks, tiles, and bricks : en
  • US1979744A - Machine for marking shingles : en
  • AT139424B - Process for processing corrosion-resistant austenitic chrome-nickel, chrome-manganese and chrome steels, in particular austenitic boundary steels by cold forming or other cold working. : de en
  • CA345829A - Tanning agent : en fr
  • DE605167C - Spring-loaded metal clamp made from a single piece for clamping ski boards together : de en
  • FR772702A - Improvements in spinning, doubling and twisting looms : en fr
  • FR772721A - Processes for obtaining finely dispersed silicon-fluorine-hydrogen derivatives : en fr
  • US1980105A - Convertible game board : en
  • DE605233C - Electric drive for rolling mills and hydraulic presses : de en
  • US1979295A - Calculating machine : en
  • US1979677A - Treated bitumen : en
  • US1979940A - Cake drier : en
  • US1979439A - Hydraulic rotatory and translatory device : en
  • US1979879A - Combined apron and toilet case : en
  • US1979420A - Machine for shaping uppers over lasts : en
  • GB419034A - Improvements in or relating to calendars : en
  • DE605147C - Extending table : de en
  • CA345752A - Hospital sheeting : en fr
  • US1979469A - Stabilization of suspensions : en
  • US1979711A - Internal combustion engine : en
  • US1979915A - Side by side drum mixing machine : en
  • AU1545833A - Improvements in and relating to headrest means for hospital beds : en
  • GB419069A - Improvements in looms for weaving pile or plush fabrics : en
  • GB419223A - Improvements in and relating to the construction of sheet metal drums, casks, or the like containers : en
  • US1979618A - Package and article handling implement : en
  • US1979681A - Explosive : en
  • DE605436C - Method to prevent blind or stand-off of flat glass of any type : de en
  • DE605281C - Device for catching people jumping down, especially for rescuing from the risk of fire : de en
  • GB419261A - A new or improved dress former : en
  • US1979499A - Vulcanization of caoutchouc : en
  • US1979708A - Trolley frog : en
  • US1979829A - Phonograph : en
  • US1980041A - Street construction : en
  • FR773072A - Autogenous welding device : en fr
  • FR772859A - Improvements to devices to artificially induce fever : en fr
  • FR772757A - Mechanical toy : en fr
  • FR773079A - Statuette pendulum : en fr
  • GB419162A - Improvements in charging apparatus for coke ovens and the like : en
  • FR773026A - Improvement of fuel supply by pump in motor cars : en fr
  • US1979712A - Welding : en
  • USD93770S - Design for an electric insect : en
  • US1979345A - Game : en
  • US1979878A - Conveying mechanism : en
  • US1979249A - Pneumatic inner tube : en
  • US1979396A - Stretching- and cutting-device on machines for pulling out threads : en
  • US1979828A - Holder for cosmetics and the like : en
  • USRE19364E - price : en
  • US1980115A - Process for making mixed oil gas and water gas : en
  • DE605205C - Electric capacitor : de en
  • GB419316A - Improved book-holder, suitable for invalids and others : en
  • AT139303B - Low-scatter coils for high frequency or audio frequency. : de en
  • CA345828A - Moistureproof sheet or film : en fr
  • GB419215A - Improvements in or relating to sheet feed devices : en
  • AT139283B - Arrangement for demodulating amplitude-modulated oscillations. : de en
  • DE605431C - Iron double expansion or multiple expansion for routes and shafts : de en
  • US1979894A - Butt hinge construction : en
  • US1979599A - Pile point : en
  • US1979506A - Method of making getter material : en
  • US1980123A - Sheave : en
  • US1979706A - Can cover : en
  • US1979932A - Weatherproof plant label holder : en
  • GB419006A - Improvements in and relating to electric relay circuits : en
  • DE605124C - Process for the preparation of a resinous, hardenable condensation product : de en
  • GB419255A - Improvements in and relating to shock absorbing couplings for toothed wheel gearing : en
  • AT139437B - Process for producing a highly active, unsintered nickel. : de en
  • CA345844A - Stoker cut-out : en fr
  • FR772906A - Dispensing apparatus for sheets of carbon paper and sheets of plain paper usable on typewriters and similar machines : en fr
  • AU1447833A - Improvements in commodes : en
  • DE605465C - Method and apparatus for producing patterned films : de en
  • GB418994A - Process of removing rust from and picking iron and steel : en
  • GB419286A - Improvement in manufacture of starch from maize : en
  • CA345877A - Transformer : en fr
  • FR772964A - Device for improving ignition in arc converters : en fr
  • FR773062A - Locking device for radial drills : en fr
  • GB419248A - Improvements in or relating to the preparation of a dry product from glucose syrup : en
  • US1980157A - Electric cigar lighter : en
  • GB419158A - Improvements in or relating to spot or fog lamps for road vehicles : en
  • CA345864A - Mineral oil refining method : en fr
  • US1979855A - Spectacles : en
  • AU1563733A - An improved cane cultivator : en
  • CA345830A - Hydrocarbon product : en fr
  • FR772997A - Espresso machine : en fr
  • US1979492A - Method of and apparatus for filling bags with powdered or granular products : en
  • US1979586A - Wax-like substances and method of preparing same : en
  • US1979904A - Locomotive booster construction : en
  • US1979785A - Milk cooler : en
  • US1979302A - Backfire release : en
  • US1979422A - Converter : en
  • FR772744A - Oil burner improvements : en fr
  • AT139287B - Ball house. : de en
  • DE582600C - Glow cathode for discharge tubes : de en
  • DE605121C - Process and device for the mechanical extraction of coarse crystals : de en
  • GB419094A - Resilient supporting device for doors, particularly automobile doors : en
  • US1979662A - Leer : en
  • US1979858A - Automobile top and the method of its construction : en
  • AU1493433A - Improvements in or relating to spillover or relaxation oscillation generators and apparatus incorporating thesame : en
  • CA345802A - Tank stirring or scraping apparatus : en fr
  • DE605309C - Articulated bridge for slanting the set : de en
  • CA345843A - Sponge rubber sealing strip : en fr
  • AU2348229A - Improvements in or relating to high frequency receiving systems : en
  • CA345865A - Knitting machine : en fr
  • DE605444C - Process for the production of pure sulfonic acids and sulfonates : de en
  • GB419331A - Improvements in or relating to electrical devices for the heating of rooms : en
  • US1979280A - Method of chloridizing ore materials : en
  • US1979361A - Washing machine : en
  • US1979281A - Method of chloridizing ores : en
  • DE605126C - Boiler blow-down device, consisting of blow-down valve and emergency shut-off piston : de en
  • GB419337A - Improved apparatus for preserving ice-cream and supplying same in slices : en
  • AT139285B - Electric fluorescent tubes. : de en
  • AT139385B - Selectively acting arrangement of choke coils with iron core and a secondary winding closed by discharge vessels. : de en
  • US1980070A - Refrigerator container : en
  • US1980073A - Spark plug wrench : en
  • US1980148A - Fluid dispensing apparatus : en
  • US1979482A - Absorption refrigerating apparatus : en
  • US1979554A - Cutting and stripping machine for pavement joints and the like : en
  • US1979430A - Method of forming shafts for golf clubs : en
  • US1979682A - Process for separating vapors from gaseous mixtures : en
  • US1979910A - Valve : en
  • CA345763A - Textile material manufacture : en fr
  • CA345807A - Steering wheel : en fr
  • US1979306A - Split roller coupling : en
  • US1979999A - Spark plug for high compression engines : en
  • AU1433233A - Improvement inelastic fluid generator : en
  • DE605331C - Electromagnetic pickup or sound recorder : de en
  • AU1388133A - A process of and means forthe conversion of unmatured spirit into brandy : en
  • GB419202A - Improvements in or relating to card index cabinets : en
  • GB419344A - Improvements in and relating to ring doubling frames for artificial silk : en
  • US1979467A - Temperature regulating device for beds or bedrooms : en
  • AT139354B - Torsional vibration damper, especially in the transmission of devices that are driven by the crankshaft of an internal combustion engine. : de en
  • AT139362B - Discharge tube. : de en
  • FR773100A - Trailer for camping : en fr
  • GB419249A - Fire proof container for storing films, x-ray films and the like : en
  • US1979913A - Chromiferous azo-dyestuffs and process of making same : en
  • US1979780A - Draw works : en
  • US1980004A - Stepladder : en
  • DE605385C - Apparatus for the manufacture of flexible razor blades from steel strip : de en
  • FR772849A - Broadcast receivers using the power distribution network as an antenna : en fr
  • FR773011A - Method and apparatus for treating hydrocarbons : en fr
  • US1979688A - Electrical tool : en
  • US1979954A - Method of manufacturing centrifuge buckets : en
  • USD93801S - Design fob a grave marker : en
  • GB419071A - Improvements in and relating to clarifying water and the like containing solid particles : en
  • US1979319A - Synchronous motor job time : en
  • DE605162C - Torpedo detection device : de en
  • FR772802A - Apparatus for raising and lowering the middle cylinder in three-way rolling mills : en fr
  • FR772848A - Cable ties for electrical lines : en fr
  • GB419155A - Improvements in or relating to mincing machines : en
  • AT139419B - Process for the production of a lead or lead oxide-containing product as a component of glass, enamel, glaze substitutes or the like. : de en
  • US1979544A - Method of storing oxides of nitrogen : en
  • DE605245C - Double heart with point rails extended to the kink point : de en
  • FR772897A - Articulated link assembly for roller shutter slats : en fr
  • FR772917A - Automotive Windshield Wiper Control System Improvements : en fr
  • US1979259A - Machine for making ice-cream cones and the like : en
  • US1979866A - Fence structure : en
  • US1980146A - Time switch device : en
  • DE605207C - Device for cutting glue or gelatine jelly : de en
  • AT139371B - Crossing system for conductors in cables. : de en
  • AT139337B - Canteen. : de en
  • DK49498C - Coupling device for automatic Subscriber Centers. : da en
  • DE605311C - Holder for pamphlets with a widened head that prevents it from falling over : de en
  • GB419084A - Improvements in bearings for the wheels of mine tubs and like vehicles : en
  • GB419443A - Improvements in pickers for use in overpick weaving looms : en
  • US1979660A - Sectional mercury-arc rectifier : en
  • GB419188A - Screw threading die heads : en
  • DE605159C - Device for the optical copying of picture films : de en
  • US1979716A - Sculling exerciser : en
  • DK49471C - Procedure for the manufacture of nickel anodes for the nickel - plating industry and related purposes. : da en
  • DK49482C - Procedure for the manufacture of undivided, hollow axles for railway wagons by towing over a mandrel. : da en
  • US1979517A - Collapsible reservoir holder : en
  • US1979783A - Exercising machine : en
  • US1979864A - Art of paper and board manufacture : en
  • AT139341B - Plate, especially for grave monuments. : de en
  • CA345822A - Prepared resin : en fr
  • CA345834A - Straw retarder : en fr
  • FR772794A - Body exercise machine for performing rowing movements : en fr
  • US1979363A - Revolving stage : en
  • DE605211C - Device for engaging and disengaging agricultural equipment, e.g. B. Motor hitch plows : de en
  • FR772860A - Process for preparing glyoxylic acid : en fr
  • FR773073A - Machine for the treatment by suitable baths of spun textile materials : en fr
  • DE605119C - Tear-off block attachment : de en
  • DE605337C - Regulation for internal combustion engines : de en
  • DE604993C - Dentures made of glass, cellphone, synthetic resin or the like. : de en
  • DE605395C - Process for the preparation of dyes of the anthraquinone series : de en
  • GB419452A - Improvements in or relating to television : en
  • GB419274A - Improvements in and relating to means for quenching arcs in electric circuit breakers : en
  • GB419341A - Improvements relating to feeders for pulverised material : en
  • DE605387C - Contact wire clamp : de en
  • US1979755A - Disinfecting device : en
  • US1979746A - Internal combustion engine : en
  • US1979761A - Car construction : en
  • US1979313A - Program distribution system : en
  • AT139300B - Fabric fastening, in particular for deck chairs. : de en
  • CA345779A - Composite aircraft : en fr
  • DE605457C - Device for destroying the remanence of direct current generators : de en
  • GB418976A - Improvements in and relating to the treatment of papers and fabrics for use in photographic printing : en
  • DE605141C - Capacitor box for a larger number of capacitor elements connected in parallel or in series, lying next to one another in plan and arranged at an angle to one another : de en
  • US1979969A - Propeller shaft with rubber cushion : en
  • US1979680A - Pipe clamp : en
  • US1980050A - Shade, curtain, and drapery holder : en
  • DE605278C - Device for introducing roll films by means of the protective strip into a daylight developing container : de en
  • US1979269A - Lasting machine : en
  • US1979965A - Oxygen cutting apparatus : en
  • US1980089A - Refrigeration : en
  • US1979984A - Motion picture camera : en
  • US1979271A - Razor blade sharpener : en
  • US1979336A - Display device : en
  • US1979403A - Production of artificial silk : en
  • US1979872A - Machine for infolding and creasing blanks : en
  • GB419018A - Improvements in supporting frames for typewriting machines : en
  • AU1792234A - Air brake : en
  • US1979807A - Sign flasher : en
  • DE605217C - Strap holder on retractable sewing machines : de en
  • DE605407C - Liquid manometer : de en
  • FR772718A - Leak revealing valve for gas lines : en fr
  • US1979436A - Bread butterer : en
  • US1980013A - Process of preserving fruit peel : en
  • FR773053A - Improvements to children's car suspensions : en fr
  • GB419812A - Improvements in or relating to flexible abrasive articles, such as sandpaper, and method of making the same : en
  • US1979886A - Railway leveling device : en
  • US1979525A - Fluid sealed packing gland : en
  • DE605369C - Method for synchronizing sound and image recording devices : de en
  • DK49480C - Vehicle with accompanying Ladder. : da en
  • AT139418B - Homogeneous armor plate made from a steel alloy containing chromium, molybdenum and possibly nickel. : de en
  • AT139251B - Device for illuminating microscopic objects with incident light. : de en
  • AU1493633A - Improvements in or relating to electrical oscillation generators and apparatus incorporating thesame : en
  • AT139333B - Waterproof powder compact. : de en
  • DE586624C - Plastic advertising sign : de en
  • FR772982A - Improvements to jewelry comprising elephant hair or the like, real or fake : en fr
  • FR773033A - Aeromotor device : en fr
  • DE605208C - Process for surface soaking of carbide cartridges with OEl : de en
  • FR772748A - Improvement in gear changes : en fr
  • GB419170A - Apparatus for the continuous distillation and rectification of musts containing acetone, ethyl alcohol and butyl alcohol : en
  • FR772873A - Inclined balancing device for guillotine shear blade holders : en fr
  • GB418986A - Improvements in and relating to crushers : en
  • GB419008A - Autographic registers : en
  • CA345786A - Boiler firebox arch : en fr
  • FR772824A - Improvements in the preparation of violanthrone derivatives : en fr
  • GB419194A - Improvements in or relating to advertising apparatus : en
  • FR772872A - Hydraulic sheet press for guillotine shears : en fr
  • FR772752A - Internal combustion engine : en fr
  • FR772798A - liquid fuel emulsifier for internal combustion engines : en fr
  • FR772846A - Battery valve for automobiles : en fr
  • USD93802S - Design fob a shoe : en
  • US1979661A - Glass molding apparatus : en
  • US1979309A - Table top construction : en
  • US1979938A - Lock : en
  • US1979983A - Garment protector : en
  • AT139308B - Device for the automatic control of the switching elements on writing adding or subtracting machines or writing calculating machines with a printing mechanism with a transversely displaceable paper cart and one or more stationary and several counters that can be moved depending on or independently of the paper cart. : de en
  • CA345760A - Headlight : en fr
  • AT139351B - Process for increasing the knock resistance and performance of internal combustion engines. : de en
  • AU1361433A - Improvements in or relating to television systems : en
  • US1979610A - Apparatus and process for heating glass furnace forehearths : en
  • US1980082A - Method of making bearings : en
  • US1980103A - Stop motion device : en
  • CA345797A - Sewing machine cutting device : en fr
  • FR772898A - Dismountable watertight constructions in panels with removable joints : en fr
  • GB419207A - Anti-reflux device for drains : en
  • FR772920A - Improvements made in the manufacture of mechanical lace : en fr
  • GB419124A - Improvements in or relating to track apparatus for actuating signals on trains : en
  • US1979268A - Spinning solution and process for making same : en
  • US1979418A - Fuse : en
  • US1979976A - Gas detector : en
  • US1979475A - Fly book : en
  • US1979718A - Motor driven sound and picture recording camera and reproducer : en
  • US1979265A - Mining apparatus : en
  • US1979364A - Infant scale : en
  • GB419314A - Improvements in and relating to containers for shaving cream and the like : en
  • US1979308A - Folding chair : en
  • US1979895A - Hub cap mounting : en
  • US1979622A - Rotary hydraulic machine : en
  • US1979489A - Lens grinding machine : en
  • US1979749A - Heated stock waterer : en
  • CA345848A - Novelty container : en fr
  • US1979585A - Counting device : en
  • US1979975A - Heat exchanging device : en
  • US1979542A - Toilet accessory : en
  • CA345792A - Folding box : en fr
  • AT139260B - Device for high frequency, short wave or ultra short wave treatment of the human body or for similar purposes. : de en
  • FR772701A - Thin Blade Safety Razors Improvements : en fr
  • US1979871A - Automatic furnace stoker : en
  • US1980036A - Exercising machine : en
  • US1979656A - Apparatus for wrapping pipe : en
  • US1979935A - Hydraulic spoke wheel : en
  • DE605363C - Components for securing bearing shells in axle bearings for railway vehicles : de en
  • FR773035A - Balanced valve : en fr
  • US1979388A - Bearing and seal therefor : en
  • US1979968A - Electric projection lamp : en
  • US1979998A - Telemetering method and apparatus : en
  • US1979981A - Breathing therapy apparatus : en
  • US1979399A - Dry cleaning process : en
  • US1979558A - Method for preventing choking of oil wells and the like : en
  • US1979666A - Warmer for nursing bottles : en
  • DE605277C - Water-cooled film carrier : de en
  • GB419339A - Improvement in liquid testing methods and apparatus : en
  • FR773002A - Device for sharpening the blades of mowers and the like : en fr
  • AT139352B - Ring valve. : de en
  • FR772901A - Motor and motor-compressor : en fr
  • FR772788A - Pigments for fibrous materials : en fr
  • FR772967A - Powder puff refinements : en fr
  • CA345853A - Hose coupling : en fr
  • US1979888A - Christmas tree ornament and method of making the same : en
  • AT139293B - Rotary piston machine with slide piston. : de en
  • US1979851A - Motor-compressor unit : en
  • AT139436B - Process for the separation of air and similar gas mixtures. : de en
  • DE605079C - Arrangement for switching on and off control stages in electrical systems with the aid of a plurality of switching devices : de en
  • DE605114C - Segment grinding wheel for grinding the running surface of railway wheel rims : de en
  • US1979263A - Portable receptacle : en
  • US1979646A - Clothes hanger : en
  • US1979463A - Television system : en
  • US1979609A - Apparatus for making and refining glass : en
  • US1979355A - Winding mechanism : en
  • US1980075A - Ornamental initial and insignia device : en
  • AT139427B - Process for the production of artificial products such as rayon, films and the like. like : de en
  • US1979290A - Condenser construction : en
  • DE605355C - Rifle scope : de en
  • USRE19360E - Earth working implement : en
  • FR772936A - Load for telephone lines, especially cable lines, operating by means of power lines : en fr
  • AT139334B - Bracelet or the like with pouch. : de en
  • US1980065A - Washing machine : en
  • USRE19366E - Combination discharge and inflow : en
  • USD93780S - Design for a chair cushion : en
  • FR772996A - Automatic torque and speed variator : en fr
  • AT139253B - Eyepiece attachment for monocular microscopes. : de en
  • DE605102C - Production of saturated lime water : de en
  • DE605418C - Pressurized gas cartridge for fire extinguishers with carbon tetrachloride as extinguishing agent : de en
  • US1980017A - Electric discharge device : en
  • US1980098A - Ironing board : en
  • US1979359A - Car construction : en
  • GB419141A - Improvements in or relating to the spraying of liquids such as paints, varnishes or the like : en
  • US1979751A - Heat exchange apparatus : en
  • GB419092A - Improvements in or relating to the manufacture of metal pressings : en
  • USRE19365E - Window regulator : en
  • DE605270C - Compressed air counter-cylinder for paddle slides : de en
  • USD93794S - Design for a metal chair or : en
  • US1979953A - Centrifuge bucket : en
  • US1979629A - Steel and process for its production : en
  • AU1423733A - Improvements in or relating to high frequency thermionic amplifiers : en
  • FR772863A - Production of azo dyes : en fr
  • US1979433A - Machine for making box tops and bottoms : en
  • US1979992A - Laminated paper container : en
  • CA345856A - Hydrogen sulphide production : en fr
  • FR772838A - Plastic tube closure : en fr
  • US1979700A - Automatic film threading motion picture machine : en
  • US1979342A - Pumping device : en
  • US1980006A - Method of recovering ammonia from gas by contact with acid phosphate : en
  • CA345876A - Transformer or choke : en fr
  • AT139263B - Electrolytic capacitor. : de en
  • CA345783A - Stock car partition : en fr
  • US1979367A - Work holding mechanism : en
  • US1979390A - Receptacle for carbonating and dispensing liquids : en
  • GB419095A - Improvements in and relating to rivets and riveting : en
  • FR772876A - Improvements made to devices for controlling or triggering vending machines, games, or the like made available to the public, in particular those included in devices with prior payment : en fr
  • US1979845A - Automatic toaster : en
  • US1979890A - Motor controlling apparatus : en
  • AT139328B - Leather fabric. : de en
  • AU1498133A - Method of and machine forthe continuous separation of gold or other concentrates from sandor other materials : en
  • US1979262A - Coating machine : en
  • USD93777S - Design fob a shoe : en
  • CA345861A - Galvanic coating for aluminium : en fr
  • US1979605A - Method and apparatus for dispensing gas containing beverages and the like : en
  • CA345764A - Hearing device : en fr
  • US1979382A - Terminal or clamp : en
  • US1979859A - Tube for boilers, heat exchangers, and the like : en
  • AT139415B - Process for increasing the wetting ability of alkalizing liquids. : de en
  • AT139413B - Liquid fuel firing. : de en
  • CA345860A - Moulded product : en fr
  • DE605382C - Manufacture of potassium nitrate from sodium nitrate and potassium chloride : de en
  • AT139442B - Process for the preparation of mixed chromium-containing azo dyes. : de en
  • DE605173C - Duese or shower : de en
  • DK49496C - Device for Twine Wrenches. : da en
  • FR773003A - Automatic adjustment of the phase shift of the excitation voltage of the control gates of an ionized steam rectifier : en fr
  • US1979789A - Garment hem marker : en
  • US1979533A - Rail bond : en
  • US1980025A - Anthraquinone dyestuffs and process of obtaining same : en
  • US1979987A - Crank and connecting rod connection : en
  • AT139404B - Adjustable curve ruler. : de en
  • DE605316C - Compressed air braking device : de en
  • FR772829A - Improvements to electrical current control devices : en fr
  • AT139296B - Device to prevent electric traction vehicles with individually driven axles from skidding. : de en
  • AT139320B - Glow discharge tube with gas or vapor filling. : de en
  • DE605401C - Filling shaft furnace with half gas firing : de en
  • DE605408C - Procedure for detecting the addition of sugar to wine : de en
  • AT139361B - TV receiver with Braun cathode ray tube. : de en
  • AU1613034A - Improved sanitary seat hinge : en
  • DE605100C - Clamping device for compressed air operated one-hand grinding machines : de en
  • FR772821A - Fixing device for window casements : en fr
  • DE605258C - Safety shut-off device for gravity hot water heating systems with several boilers : de en
  • CA345826A - Tire manufacturing apparatus : en fr
  • DE605198C - Reverse gear clutch on typewriters : de en
  • AT139433B - Process for the production of a precipitated, basic alum. : de en
  • FR772922A - Rubber pads for horseshoes and other work animals : en fr
  • AT139256B - Electric discharge tube. : de en
  • US1979713A - Recording instrument : en
  • US1979739A - Combined flush valve and water closet : en
  • US1979909A - Continuously operating centrifugal machine : en
  • AT139403B - Siphon flushing device with displacer. : de en
  • US1979863A - Pump : en
  • US1979366A - Work holding and feeding mechanism : en
  • DK49500C - Paired Double Window. : da en
  • DE605471C - Elastic connecting link for sound and vibration absorption : de en
  • GB419445A - Improvements in and relating to the manufacture of coloured moulding compositions : en
  • US1979573A - Glass article : en
  • US1980003A - Locking cap : en
  • CA345789A - Sand box : en fr
  • FR773097A - Transformer, hydraulic transmission or other similar devices for vehicle controls or similar mechanisms, with shifting mechanism fitted afterwards : en fr
  • US1979658A - Lighting system and apparatus : en
  • AT139423B - Device for burning, cooling, drying, calcining and / or sintering materials of various types. : de en
  • GB419219A - Improvements relating to percussive pneumatic tools : en
  • GB419417A - Improvements in automatic machines for receiving and paying for empty milk and otherbottles : en
  • FR772840A - Semiconductor film photoelectric cell enhancements : en fr
  • FR773013A - Collar assembly : en fr
  • GB419302A - An improved display and delivery cabinet for bottles and other articles : en
  • GB419520A - Improvements relating to apparatus for the recording and reproducing of sound : en
  • DE605135C - Rail joint bridging by means of a bridging wedge that can be displaced in the rail head ends : de en
  • DE605443C - Process for purifying sulfuric acid : de en
  • GB419052A - Improvements relating to roads and the like : en
  • FR772781A - New condensation products of carbenium compounds and their preparation process : en fr
  • GB419104A - Improvements in toy archers : en
  • DE605413C - Grease lubrication sleeve, consisting of a fixed lower part and an upper part that can be screwed opposite this, with a follower piston loaded by springs supported on the upper part : de en
  • GB419453A - Improvements in taps or valves with stainless metal shells : en
  • AT139432B - Process for the recovery and purification of magnesium and magnesium alloys. : de en
  • GB419016A - Improvements in or relating to safety razors : en
  • GB419041A - Electrically lighted sewing machine : en
  • US1979891A - Cutter device : en
  • AT139381B - System which, in parallel connection, contains a main discharge tube and an auxiliary discharge tube, both filled with gas. : de en
  • GB419082A - Improvements in blading arrangements for radially traversed turbomachines : en
  • GB419309A - Means for effecting thermal compensation or adjustment in fluid pressure systems : en
  • CA345842A - Rubber composition manufacture : en fr
  • GB419176A - Improvements in centrifugal pumps of the semi-axial flow type : en
  • AT139345B - Socket weld joint. : de en
  • US1979365A - Amalgamating apparatus and process : en
  • FR772790A - Improvements to velocipeds : en fr
  • GB419208A - Washable textile fabrics permeable by air and moisture and a process for the production thereof : en
  • GB419056A - Improvements in or relating to the cylinders of two stroke internal combustion engines : en
  • US1979815A - Method of making vehicle wheels : en
  • US1979988A - Brake band : en
  • GB419257A - Improvements in filters : en
  • US1979813A - Rotor for magnetos : en
  • US1979884A - Steam boiler and its furnace : en
  • US1980127A - Rubber heel and reenforcing and nail retaining member therefor : en
  • GB418992A - Improvements in or relating to the manufacture of hydrochloric acid and apparatus therefor : en
  • IE13019L - Sympathetic ink materials : en
  • FR772851A - Coil system : en fr
  • FR772958A - Distribution device for internal combustion and internal combustion engines of all cycles : en fr
  • GB419002A - Improvements relating to angular motion indicators : en
  • GB419322A - Improvements in driving head gears for conveyors and the like : en
  • DE605110C - Device for dispensing banknotes and coins : de en
  • GB419058A - An improved method of, and machine for, surfacing printing-face-equipped bodies : en
  • GB419174A - Improved manufacture of glass vessels : en
  • GB419025A - Improvements in or relating to boxes for cosmetics and the like : en
  • DE595068C - Safety fuse : de en
  • DE605299C - Overflow centrifuge for separating solid substances from liquids : de en
  • GB419179A - A process for protecting wool against damage by moths : en
  • DK49488C - For the joint Joining determined Building element of Metal. : da en
  • FR772882A - Improvements in impregnated sheet fibrous materials and in methods of manufacturing said sheet materials : en fr
  • DE605347C - Method and device for the production of knee-shaped door handles : de en
  • DE605423C - Hand grenade : de en
  • GB418975A - Improvements in or relating to electric selective remote control systems : en
  • US1980092A - Trimming shears : en
  • DE605279C - Device for duplicating sound recordings : de en
  • US1979972A - Pneumatic sole for shoes : en
  • FR772703A - Turbine for heavy oil or any other liquid fuel : en fr
  • USD93787S - Design for a bottle : en
  • US1979299A - Feed water regulator : en
  • US1979407A - Hydropneumatic control apparatus : en
  • DE605338C - Clamping sleeve for roller bearing : de en
  • FR772900A - Longitudinal welded metal pipe : en fr
  • FR772923A - Improvements to processes and devices for supplying steam generators with a view to producing cold or heat : en fr
  • US1979977A - Valve and packing : en
  • US1979877A - Brooder box : en
  • DE605115C - Clip lasting machine : de en
  • DE605140C - Electrical capacitor consisting of metallic coatings and interposed, preferably impregnated, dielectric layers : de en
  • DK49489C - Cooling container. : da en
  • GB419304A - Steam power plant with exhaust steam turbine : en
  • US1979279A - Method of treating ore materials : en
  • US1979392A - Cathode ray tube : en
  • US1979570A - Means for the hydraulic transmission of power : en
  • US1979617A - Mechanical refrigeration unit : en
  • AU1507233A - Improved stop valve : en
  • US1979865A - Draft regulator : en
  • AT139315B - Hot cathode. : de en
  • AT139318B - End section control for electric drives. : de en
  • AT139367B - Capsule phone. : de en
  • CA345773A - Optical light dividing device : en fr
  • FR773083A - Locating dial device : en fr
  • GB419267A - A device for emptying tins and like receptacles : en
  • US1980113A - Winding machine : en
  • USRE19363E - Water heater : en
  • US1979834A - Carburetor : en
  • US1979924A - Baking receptacle : en
  • DE605228C - Process for the purification of technical pyridine bases : de en
  • US1979726A - Method and apparatus for making tubes : en
  • US1979753A - Open-hearth slag utilization : en
  • AT139295B - DC generator for constant current. : de en
  • DE605168C - Ski pole with a pole grip arranged displaceably in the pole axis direction counter to the spring action : de en
  • US1979611A - Valve : en
  • US1979989A - Painting mask for wheels : en
  • GB419077A - Improvements in cartons or containers : en
  • US1979819A - Process of making felt, paper, and the like : en
  • US1980129A - Wire wheel truing machine and method : en
  • US1979413A - Shear guide : en
  • US1979454A - Armature assembly machine : en
  • US1980145A - Transmission device : en
  • CA345862A - Electrolytic cell : en fr
  • CA345812A - Electrical insulating oil : en fr
  • US1979717A - Preparation of organic esters : en
  • US1979606A - Process for producing white luminous tubes of electrified neon gas : en
  • US1979434A - Commutator assembling machine : en
  • US1979826A - Doorcheck : en
  • USD93774S - Design fob a seat : en
  • FR772738A - Insulator for power lines and other uses : en fr
  • FR772981A - Method and apparatus for interference-free reception of multimodulated waves : en fr
  • GB419235A - Method and device for recording the work of arc welders and in general, of workmen utilising an electrode welding circuit : en
  • GB419238A - Improvements in liquid level indicating devices for motor vehicles : en
  • CA345805A - Bituminous distributor : en fr
  • AT139426B - Aluminum-molybdenum-chromium-steel alloy, which is particularly suitable for use in high-pressure technology. : de en
  • US1980016A - Brake dressing and process therefor : en
  • US1979695A - Mounting for reflector units in signs : en
  • FR772984A - Alarm signal control device : en fr
  • FR772771A - Opening device for tilting sashes, mounted at the top of the windows : en fr
  • FR772930A - Process for the production of mixed fertilizers containing nitrogen, phosphorus and lime : en fr
  • FR773008A - Advanced process for the distillation of solids, liquids and gases : en fr
  • USD93779S - Design for wrapping paper : en
  • FR772904A - Improvements to operating devices for closing curtains : en fr
  • FR773004A - Improvement in vibration recording tapes or the like : en fr
  • GB419003A - Improvements in or relating to apparatus for making submarine explorations : en
  • GB419234A - Ramming tool for brush ramming machines : en
  • DE605107C - Process for the production of molded articles : de en
  • DE605341C - Device on automatic swivel arms for catching and transporting the finished workpieces by means of a swiveling receiving part : de en
  • FR773036A - New application of coatings, paints or varnishes for the surface protection of cheeses : en fr
  • GB419123A - Improvements in rotary engines, pumps or compressors : en
  • DE605427C - Fuel briquette bundles : de en
  • FR772736A - Improvements to cameras : en fr
  • GB419013A - Improvements in or relating to fixed electrical condensers : en
  • GB419258A - Improvements in four-stroke-cycle internal combustion engines : en
  • GB419225A - Improvements in cabinets for storing and displaying goods : en
  • AT139372B - Process for the manufacture of pole wheels with laminated pole pieces. : de en
  • DE605260C - Method for producing golf balls o. : de en
  • US1979545A - Automotive vehicle : en
  • DE581959C - Rail joint connection : de en
  • FR772775A - Method and device for making color designs on fabrics intended for bookbinding : en fr
  • DE605461C - Preparations for coloring living hair : de en
  • FR772925A - Improved pouring device more particularly applicable to sauce bottles and other bottles or containers : en fr
  • DE605151C - Polygonal compass with a pen holder that can be swiveled perpendicular to the plane of the legs : de en
  • FR772893A - Process for the production of ornaments on gold-plated fabrics : en fr
  • DE605425C - Device for the automatic emptying of compression molds : de en
  • GB419178A - Improved method of making reproduction and apparatus therefor : en
  • US1979483A - Bag filling apparatus : en
  • US1979943A - Lubricating grease : en
  • US1979950A - Loose leaf binder : en
  • US1979347A - Process for breaking petroleum emulsion : en
  • US1979850A - Combination inflow controlling and fluid discharge means : en
  • AT139353B - Device for balancing the masses of imperfectly balanced hollow shafts. : de en
  • AT139447B - Process for the production of printing forms that can be printed directly. : de en
  • FR772934A - Grease bag : en fr
  • GB419164A - Improvements in or relating to wheels for use on railway vehicles : en
  • AT139273B - Circuit of a gas-filled, electric discharge tube. : de en
  • FR772903A - Process for the degassing of solid fuels in batch furnaces : en fr
  • DE605410C - Coin checker : de en
  • FR772881A - Coupling device for chains, ropes and other flexible traction devices : en fr
  • US1979315A - Radio apparatus : en
  • US1979557A - Reciprocating-crosshead engine : en
  • US1980102A - Method of manufacturing secondary aromatic amines : en
  • USRE19367E - Electric vaporizer : en
  • US1979455A - Atomizer : en
  • US1980137A - Electrical reproducer for disk records : en
  • AT139294B - Process for producing high-value resistors. : de en
  • US1979936A - Method of coating and the product resulting therefrom : en
  • US1979710A - Dual control for hydraulic transmission : en
  • AT139298B - Connection of the impeller disks with the shaft in steam turbine rotors, impellers and the like. like : de en
  • FR772914A - Further training in sofa beds : en fr
  • DE605391C - Switch with arc extinguishing by flowing compressed gas and visible separation point : de en
  • US1979788A - Chocking device for vehicle lifts : en
  • US1979340A - Valve operating mechanism : en
  • US1979471A - Electric heater : en
  • AT139384B - High-frequency line, in particular high-frequency cable with a concentric conductor arrangement. : de en
  • US1979528A - Arc welding metal electrode fragment holder : en
  • US1979601A - Conversion products of casein : en
  • US1979782A - Mechanical arm and hand : en
  • AT139266B - Switching arrangement of gas-filled, electrical discharge tubes. : de en
  • GB418995A - Improvements in or relating to telephone systems : en
  • US1979321A - Artificial eyes for dolls, toys, and the like : en
  • USRE19361E - Barbel supporting and cooling : en
  • US1979583A - Car track crossing : en
  • US1980154A - Means for connecting strips of sheet metal : en
  • AT139358B - Device for operating spark gaps for switches, conversion devices or the like. : de en
  • US1979521A - Process and apparatus for converting petroleum oil : en
  • CA345761A - Multifocal lens manufacture : en fr
  • DE605243C - Circulating oil conveyor rod for axle bearings of rail vehicles : de en
  • GB419350A - Process and apparatus for clarifying viscose : en
  • AT139281B - Demodulator arrangement for receiving electromagnetic oscillations. : de en
  • AT139386B - Circuit arrangement for registering connections in automatic telephone systems. : de en
  • US1979643A - Composite beam : en
  • US1979748A - Method for manufacturing fruit and vegetable slicers : en
  • AT139271B - Biological sewage self-cleaning system. : de en
  • AT139365B - Micro oscilloscope. : de en
  • CA345833A - Gas treating apparatus : en fr
  • AT139262B - Headlight disc with large lateral dispersion. : de en
  • CA345754A - Textile material vulcanization : en fr
  • AT139431B - Process for the preparation of dilute acids. : de en
  • AT139368B - Roller switch. : de en
  • US1979310A - Paper winder : en
  • US1979376A - Means for securing covers to containers : en
  • DE605116C - Control for compressed air tools, hammer drills and. like : de en
  • GB419454A - Improvements in or relating to swash-plate units on a common shaft : en
  • CA345767A - Window lock : en fr
  • US1979368A - Pump, motor, compressor, or the like : en
  • US1979480A - Circuit controlling means for an induction motor : en
  • US1979781A - Method of making edible sugar syrup : en
  • US1979893A - Lock mechanism : en
  • US1980005A - Refrigerator closure : en
  • AT139377B - Device for compensating the temperature error on induction meters. : de en
  • AT139440B - Process for the production of sulfur or hydrogen sulphide or mixtures of hydrogen sulphide, sulfur dioxide and sulfur from sulfur-containing materials. : de en
  • CA345847A - Zinc distillation : en fr
  • CA345863A - Naphtha processing : en fr
  • AT139402B - Fireproof metal shutters for furniture or the like. : de en
  • US1979550A - Removal of carbonaceous materials from vessels : en
  • US1979919A - Machine for rolling screw threads : en
  • DE605368C - Process and device for the production of bodies from pulp : de en
  • FR772772A - Candelabra for street lighting : en fr
  • FR772947A - Filter screen : en fr
  • AT139420B - Armor plate hardened on one side and made of a chrome-nickel-molybdenum steel alloy. : de en
  • US1979624A - Apparatus for the uniform distribution of tobacco in the spreader of a cigarette-making machine : en
  • US1979743A - Thread clipper : en
  • AT139441B - Catalyst body for use in the oxidation of ammonia. : de en
  • DE605246C - Switching arrangement for interrupting electrical currents : de en
  • GB419315A - Improvements in or relating to book-binders' wrappering or covering machines : en
  • FR772833A - Device for cleaning and lubricating cables and metal bars : en fr
  • GB419090A - Improvements in the treatment of aluminium sulphate-containing minerals and salts : en
  • DE605242C - Splash ring to relieve the dust seal for axle sleeves of rail vehicles : de en
  • DE605437C - Process for quenching and tempering cobalt-tungsten alloys : de en
  • US1979930A - Power transmitter : en
  • CA345766A - Shoe forepart filler : en fr
  • DE605218C - Device for keeping the immersion depth of the grinder stone the same : de en
  • FR772854A - Clip to hold hair : en fr
  • FR772969A - Connection terminal for accumulator batteries and others : en fr
  • DE605374C - Safety device for gas container : de en
  • FR773034A - Process for full color reproduction, colors and plate, for the application of this process and printed articles resulting therefrom : en fr
  • GB419330A - Improvements in or relating to buckles : en
  • FR772887A - Smoking and drying plant : en fr
  • FR772762A - Device for mounting the steering wheels of an automobile : en fr
  • GB419230A - Improvements in and relating to means for operating the covers of dust and other bins : en
  • US1979546A - Temperature control : en
  • US1979827A - Method and apparatus for manufacturing containers : en
  • US1979792A - Vehicle upholstery : en
  • DE605215C - Safety device for the delivery of gases, vapors or liquids : de en
  • DE605222C - Gear, especially for propeller drives in aircraft : de en
  • DE605170C - Plate dryer with ploughshare-like material conveyors and distributors : de en
  • FR773057A - Rotary explosion engine : en fr
  • GB419335A - Improvements in arrangement for the current supply of an alternating current sound signal apparatus from a direct current system : en
  • GB419336A - Improvements in or relating to handle-bars for cycles, motor-cycles, and the like : en
  • US1980095A - Alarm for fire extinguishing systems : en
  • DE605146C - Rocking chair : de en
  • FR772912A - Snap-on for extension ladders : en fr
  • GB419280A - Lithographic printing on wood : en
  • US1979825A - Railway track structure : en
  • GB418999A - Improvements in or relating to electric couplings : en
  • US1979974A - Harvester pick-up : en
  • GB419181A - Improvements in swaddling cloths for infants : en
  • US1979243A - Apparatus and method for fusion welding : en
  • US1979391A - Shoe sole : en
  • DE605472C - Flexible transmission device for pulling and pushing forces : de en
  • FR773092A - Wiper device : en fr
  • GB419221A - Improvements relating to rotary liquid flow meters : en
  • US1979250A - Soluble, noncorrosive, cutting compound : en
  • US1979627A - Clothesline arrangement : en
  • GB419089A - Compound boring and honing machines : en
  • GB419161A - Improvements in and relating to tables, stools, and like articles of furniture : en
  • FR772733A - Grid adjuster for discharge tubes : en fr
  • FR772902A - Improvements in processes and apparatus for blasting or blasting certain materials such as coal : en fr
  • GB419129A - Improvements in connection for coupling filling hose to underground tanks : en
  • GB419278A - Improvements relating to pot-heads for multiple-core electric cables : en
  • FR772858A - Process for processing starch : en fr
  • AT139370B - Method and device for winding coils within a substantially annular hollow body. : de en
  • CA345772A - Portable lamp : en fr
  • DE605238C - Graduated file in book or folder form : de en
  • FR772952A - Installation used to condition air for rooms : en fr
  • GB419332A - Improvements in apparatus for playing target games : en
  • US1980052A - Valve for gas pilot lights : en
  • US1979282A - Razor blade honing and stropping device : en
  • GB419237A - Improvements relating to headlights for vehicles : en
  • US1979892A - Spring suspension seat : en
  • AT139443B - Process for the production of elastic compact chromium. : de en
  • USD93769S - Pesign fob a wheel : en
  • US1979579A - Push bench guide : en
  • AT139357B - Regulating resistor. : de en
  • AU1463933A - Improvements in fuel mixtures : en
  • CA345849A - Portable fountain : en fr
  • GB419265A - Improvements in and relating to fuel injection devices of internal combustion engines : en
  • GB419022A - Improvements in carriages for field guns : en
  • FR772921A - Improvements to sewing machine furniture : en fr
  • GB419813A - Improvements in internal combustion engines of the opposed piston type : en
  • DE605112C - Plain bearing element : de en
  • FR772773A - Manufacturing process of refractory stones : en fr
  • FR772941A - New cut gemstones : en fr
  • GB419239A - Improvements in machines for filling and stoppering containers for food, such as pots of cream or the like : en
  • US1979694A - Mining machine : en
  • GB419277A - Improvements in and relating to the combining of three or more layers of material together by means of a liquid adhesive substance : en
  • GB419524A - Signalling arrangements for level crossings : en
  • US1980022A - Method and apparatus for covering articles with sheet material : en
  • US1980118A - Process for resolving emulsions : en
  • US1979522A - Motor vehicle : en
  • US1979714A - Package : en
  • US1980079A - Electric lamp socket : en
  • USD93759S - Design for a carrier : en
  • GB419027A - Improvements in or relating to cartons or containers : en
  • FR772853A - Sound cinematographic film recording apparatus : en fr
  • GB419001A - Improvements in or relating to typographical fonts and elements therefor : en
  • US1979796A - Mail chute : en
  • US1979460A - Screw driver : en
  • US1979508A - Clamping member for clamping the one end of a cord, which is fixedly fastened to the clamping member with the other end : en
  • DE605318C - Portable reflector with mirrors rotatably mounted at the end of a support tube made of insulating material, the rotation of which is caused by a second insulating tube : de en
  • GB419122A - Valves : en
  • US1979689A - Method of lapping dies : en
  • US1980084A - Power-operated lock for spring switches : en
  • US1979419A - Leveling bar : en
  • US1979511A - Tractor attachment mechanism : en
  • US1979416A - Radio selector drive : en
  • US1979675A - Adjustable friction crank for counterbalanced pumping units : en
  • US1980143A - Method and process of forming hollow articles : en
  • FR772712A - Clasp for bags, suitcases, etc. : en fr
  • FR773086A - Mercury vapor arc tubes and control grid : en fr
  • AT139286B - Double-walled electric tube. : de en
  • AU1501233A - Improvements in or relating to direction finding radio receiving installations : en
  • CA345749A - Fastener : en fr
  • AT139392B - Electromagnetic sound box. : de en
  • AT139330B - Shutters. : de en
  • DE605125C - Process for the preparation of 2-amino-3-oxyanthraquinone and its substitution products : de en
  • FR772784A - New chemical compounds of the cyanine class, their preparation processes and their application as photographic sensitizers : en fr
  • FR772961A - Method of recording music played on a keyboard instrument, and apparatus based thereon : en fr
  • GB419157A - Improvements in or relating to shutter mechanism for cameras : en
  • USD93783S - Design for a settee : en
  • US1979664A - Multiple pie baking pan : en
  • US1979742A - Power transmission mechanism : en
  • US1979757A - Liquid fuel burner : en
  • US1979921A - Projecting apparatus : en
  • US1980067A - Pressure actuated valve : en
  • US1979846A - Cushioning device : en
  • USD93800S - Design fob a trolling spoon : en
  • US1979758A - Coating apparatus : en
  • US1980119A - Composition of matter and process of producing the same : en
  • US1979615A - Fruit and vegetable peeler : en
  • US1980042A - Manufacture of electrical rectifiers : en
  • US1980046A - Wagon hitch : en
  • AT139310B - Method for grid control of grid-controlled vapor or gas discharge vessels. : de en
  • FR772940A - Machine for the production of agglomerates : en fr
  • FR772978A - Improvements to bitumen sheets : en fr
  • GB419081A - Improvements in calcium sulphate plasters : en
  • GB419240A - Improvements in or relating to automatic screw cutting lathes : en
  • US1979401A - Scoop board for vehicle boxes : en
  • US1980152A - Fused salt bath for carburizing iron, steel, and the like : en
  • US1979947A - Resilient tire : en
  • AT139297B - Device for regulating DC voltage in systems with electrical discharge devices. : de en
  • DK49477C - Method and Device for Converting Electrical Oscillations within a Frequency Range to Electric Oscillations within Another Frequency Range. : da en
  • DE605172C - Well filter : de en
  • DE605332C - Tape-shaped sound recording medium : de en
  • US1979283A - Accounting system : en
  • US1979958A - Electrical plug device : en
  • CA10500S - Electric lamp : en
  • US1979493A - Dental impression form : en
  • US1980109A - Air conditioning system : en
  • US1980132A - Liquid fuel burner : en
  • AT139264B - Dark field condenser for microscopes. : de en
  • CA345776A - Concrete pump : en fr
  • US1979307A - Rail and wheel flange lubricator : en
  • US1979349A - Flasher : en
  • US1979853A - Window bracket : en
  • DE605251C - Process for de-excitation of electrical machines by means of vibration de-excitation : de en
  • FR772782A - Chlorinated rubber manufacturing process : en fr
  • CA345855A - Copperized paper : en fr
  • US1979398A - Speed regulator and the like : en
  • US1979901A - Worktable : en
  • US1979917A - Envelope container : en
  • US1979305A - Valve mechanism : en
  • FR772892A - Manufacturing process of fixed, single or multiple capacitors with very constant capacity : en fr
  • FR772990A - Independent wheel suspension specially for motor vehicles : en fr
  • CA345745A - Wheat germ processing : en fr
  • DE605420C - Anti-slip agents for motor vehicles : de en
  • FR772759A - Advanced valve with adjustable maximum flow : en fr
  • US1980087A - Detachable tool handle : en
  • GB419334A - Improvements in and relating to moving stairways : en
  • AT139375B - Installation auto switch. : de en
  • US1979703A - System of distribution : en
  • US1979707A - Roller bushing : en
  • AU1417933A - Improvements in discharge nozzles for rotary liquid distributors : en
  • CA345769A - Culinary utensil : en fr
  • DE605213C - Device for the storage of pipelines, in particular of pipe coils, in the form of a flat, T or other profile iron with cutouts corresponding to the cross section of the pipes : de en
  • FR772862A - Air conditioner : en fr
  • US1979946A - Production of tires : en
  • AT139255B - Electric discharge tube. : de en
  • CA345819A - Circuit interrupter : en fr
  • US1979500A - Separator : en
  • US1980015A - Vehicle trailer construction : en
  • US1979598A - Road vehicle : en
  • GB419036A - Improvements in or relating to magnetos : en
  • US1979973A - Broaching machine : en
  • US1980093A - Anchorage device : en
  • CA345871A - Rivet manufacture : en fr
  • FR772841A - Hunting bag : en fr
  • AT139312B - Straight-line scale for radio sets. : de en
  • CA345746A - Lead and compound production : en fr
  • FR773012A - Sole for shoes and shoes provided with this sole : en fr
  • FR773096A - Container for glue and other applications : en fr
  • AT139396B - Fine-edged blade and method of making it. : de en
  • DE605261C - Process for making sound recordings : de en
  • FR773091A - Automatic route indicator system : en fr
  • US1979502A - Target trap : en
  • AU1552633A - Improvements, in welded fabricated structural members : en
  • CA345791A - Safety switch : en fr
  • US1979854A - Hinge bracket : en
  • CA345748A - Aeroplane wing : en fr
  • CA345846A - Quadrangular tube manufacture : en fr
  • CA345816A - Wireless receiving circuit : en fr
  • CA345794A - Motor vehicle : en fr
  • DE605324C - Metal vapor rectifier : de en
  • US1979245A - Container for packaging sheet and fabric material : en
  • US1979569A - Door operating apparatus : en
  • US1979701A - Plastering base : en
  • US1979738A - Drag line bucket : en
  • AU1792034A - Improvements in couplings containing a finely divided power transmission medium : en
  • USD93765S - Design fob a spectacle frame : en
  • US1980135A - Stone-channeling machine : en
  • US1979248A - Textile printing : en
  • US1979421A - Biological product and process for producing the same : en
  • DE605157C - Flap valve : de en
  • DE605463C - Low pressure boiler made of horizontally lying hollow cylinder shells : de en
  • FR772814A - Improvements to electric motors, in particular to those intended to turn phonograph records or for other similar uses : en fr
  • US1979574A - Sadiron : en
  • US1979937A - Sound accompaniment for composite motion pictures : en
  • US1979408A - Clothes washing machine : en
  • US1980128A - Drip-feed device : en
  • FR773044A - Making a vegetable horsehair : en fr
  • GB419236A - Improvements in devices for the automatic control of headlamps on automobile vehicles : en
  • DE605287C - Inlay for the watertight closure of the slit opening of sports shoes : de en
  • DE605362C - Rail fastening on ribbed plates : de en
  • US1979833A - Merchandise display device : en
  • US1979948A - Seed drill : en
  • US1979539A - Method of production of refractory metal leaf : en
  • US1979444A - Abrasion resisting tube : en
  • US1979883A - Electric heater : en
  • GB419076A - Improvements in and relating to locks and latches : en
  • US1979273A - Telegraph exchange system : en
  • US1979799A - Conveyer mechanism : en
  • DE594075C - Double fabric for furniture : de en
  • DE605336C - Coin tube for coin counting devices : de en
  • US1979488A - Automatic pneumatic gear shift : en
  • US1979727A - Combined mail box and reflected sign : en
  • US1980058A - Knife : en
  • CA345798A - Pipe cleaning device : en fr
  • DK49476C - Wheel device or Boggie. : da en
  • US1979486A - Method of coating metallic objects : en
  • GB419320A - Improvements relating to wringing machines : en
  • GB419167A - Improvements in, and relating to, garden shears, sheep shears, scissors, pruning shears, secateurs and the like cutting tools : en
  • DE605163C - Device for placing razor blades on the endless conveyor belt of a grinding machine : de en
  • DE605297C - Method and machine for pinching footwear by means of clips : de en
  • DE605330C - Machine for stretching the heads of felt cones for hats : de en
  • FR772715A - Safety razor : en fr
  • GB419070A - Brushing apparatus for shop or roller blinds : en
  • FR773088A - Electronic tubes : en fr
  • FR772723A - Self-winding timepiece by means of an oscillating weight : en fr
  • FR773050A - Weeder hoe : en fr
  • DE605129C - Melting kettle for stereotypical metal : de en
  • DE605171C - Method for consolidating rock layers, porous and granular masses, structures and components : de en
  • DK49499C - Holder system for the filament in tubular electric incandescent lamps. : da en
  • FR772755A - Mechanical pencil : en fr
  • DE605310C - Lock wedge with safety device for printing forms : de en
  • FR772783A - Cereal chopper : en fr
  • GB419072A - Improvements in or relating to kerr and like cells and methods of manufacturing the same : en
  • US1979547A - Construction of "in situ" concrete piles : en
  • US1980122A - Heel : en
  • FR772806A - Device for the compensation of the temperature error in induction meters : en fr
  • GB419133A - Improvements in or relating to machines for reeling paper or like webs : en
  • GB419198A - Improvements in electrically operated alarm installations : en
  • GB419319A - Improvements in horse shoes with exchangeable calks : en
  • US1979538A - Air conditioning apparatus : en
  • GB419156A - Improvements in or relating to shoes and other similar footwear : en
  • GB419211A - Improvements in apparatus for applying stoppers, corks, lids or the like to bottles, jars and similar containers : en
  • FR772704A - Aircraft rudder automatic control system : en fr
  • FR772746A - Evaporator for bakery ovens : en fr
  • FR773081A - Hygienic protector for telephone receiver : en fr
  • GB419243A - Improvements relating to folding chairs, camp beds, garden seats and the like : en
  • GB419256A - Improvements in or relating to two stroke internal combustion engines : en
  • US1979645A - Coating preparations : en
  • US1979945A - Manure loader and spreader : en
  • DE605305C - Resilient iron pit lining : de en
  • FR773065A - Mixed packaging for bottles : en fr
  • FR772769A - Improvements made to expansion joints : en fr
  • FR772817A - Apparatus for producing hot or cold air : en fr
  • AT139355B - Arrangement for the electrical remote transmission of picture-sound-films. : de en
  • AU1408233A - Improved load balancing mechanism for intermittently loaded reciprocatory drives : en
  • GB419086A - Light shades or screens for use with books or the like : en
  • GB419108A - Improvements in or relating to roses for watering cans and the like : en
  • DE605029C - Device for the automatic braking of rail vehicles by successive braking using brake shoes : de en
  • FR773000A - Improvements to paper bags or other materials : en fr
  • GB419247A - Improvements in or relating to automatic lathes : en
  • USD93781S - Design for a textile fabric or the : en
  • US1980037A - Signal : en
  • DE605206C - Irradiation device for light therapeutic, especially dermatological purposes, in which an electric arc burns between a carbon rod and a metal cathode : de en
  • FR772837A - Improvements to pressure lubricators : en fr
  • GB419107A - Improvements in wringing machines : en
  • DE605340C - Multi-spindle automatic lathe for bar material : de en
  • FR773080A - Apparatus for crushing and grinding stone and all minerals or products : en fr
  • US1979784A - Burner for the firing of furnaces : en
  • US1979869A - Engine starter : en
  • GB419218A - Parachute closure : en
  • DE605225C - Process for painting smoothed, raw wall surfaces with cellulose esters and / or cellulose ether containing paints that are not dissolved in water and / or not emulsified in water : de en
  • DE605348C - Device for automatic closing of a door and sealing against drafts through the floor gap by means of a sealing strip that is forced to move : de en
  • FR772805A - Process for refining metals by surface treatment : en fr
  • FR772977A - Rubber track : en fr
  • GB419206A - Improvements in and relating to appliances for playing a new or improved game : en
  • FR773020A - Improvement in spark plugs for internal combustion engines : en fr
  • GB419138A - Improvements in and relating to vehicle wheels : en
  • FR772785A - Shock absorbing device for doors, windows and the like provided with impact surfaces : en fr
  • GB419033A - Improvements in or relating to automatic advancing means for reciprocating and percussive tools : en
  • FR772807A - Sound dampening agent : en fr
  • FR772811A - Process for the production of non-detonating gasoline : en fr
  • GB418984A - Improvements in or relating to rackets for lawn tennis and other games and the manufacture thereof : en
  • GB419051A - Improvements in or relating to heald frames : en
  • GB419811A - Improvements in or relating to television, picture telegraphy and the like transmitting systems : en
  • FR772999A - Improvement in electrical resistances : en fr
  • DE605132C - Printing machine, in particular address printing machine, with a revolver head-like rotatable print head with several printing pads : de en
  • AT139327B - Process for the production of rigid inserts for articles of clothing. : de en
  • US1979875A - Hot-box indicator : en
  • US1979996A - Electroplating process : en
  • USD93782S - Design fob a settee : en
  • US1979683A - Switch structure : en
  • FR772986A - Compressor : en fr
  • US1979257A - Starch product and method of making same : en
  • US1980097A - Motor fuel lubricating and antiknock materials : en
  • US1979284A - Electrical protective system : en
  • US1979941A - Air conditioning and dispensing system : en
  • GB418970A - Improvements in or relating to wheels and tyres for rubber tyred vehicles : en
  • GB419031A - Improvements in or relating to mechanical interrupters having electrical contact devices which are not subject to the influence of vibrations : en
  • GB419817A - The manufacture of new sulphur dyestuff preparations : en
  • US1979620A - Typewriting machine : en
  • US1979960A - Key : en
  • US1980091A - Fuel pump : en
  • USD93803S - Design fob an electric heater : en
  • FR772975A - Intermediate frequency receiver : en fr
  • US1979952A - Reflectometer : en
  • DE605295C - Procedure for overcoming run-in difficulties in bearings : de en
  • US1979905A - Process and apparatus for the manufacture of moldings and shaped sections from fiberboards, wood pulp boards, crushed cane boards, beaver boards, and the like : en
  • US1980035A - Apparatus for testing the permanent way of railways, tramways, or the like : en
  • US1979293A - Plural action interval timer : en
  • AT139261B - Arrangement for generating short electrical waves. : de en
  • AT139417B - Process for the production of steel. : de en
  • DE605204C - Electric battery light with a rod-shaped insulating material housing made of two main parts that can be adjusted to change the lighting effect : de en
  • DE605298C - Method and apparatus for manufacturing seamless tubes from fibrous materials and hydraulic binders : de en
  • DE605320C - Cross-field DC machine with adjustable short-circuit current strength : de en
  • AT139349B - Fluid coupling or transmission. : de en
  • US1979372A - Method of making hard bodies : en
  • AT139387B - Switching device on telephone sets. : de en
  • AT139434B - Process for the production of white alkali metal cyanide. : de en
  • AT139430B - Aluminum-iron alloys with or without cobalt for permanent magnets. : de en
  • US1980030A - Process for isolating or purifying terpene alcohols and hydroaromatic alcohols : en
  • CA345771A - Roller bearing : en fr
  • CA345758A - Gas scrubbing apparatus : en fr
  • FR772758A - Improvements to floats or swimmers' rafts : en fr
  • GB419119A - An improved process for dressing artificial silk : en
  • GB419150A - Improvements in and relating to motion summation mechanism employing one-way driving gearing : en
  • CA345762A - Flush tank bracket : en fr
  • USD93804S - Design fob a game board : en
  • DE605150C - Process for the production of rubber and rubber articles : de en
  • DE605200C - Device for changing the axle pressures in bogie locomotives with paw-bearing motors : de en
  • CA345824A - Adhesive composition : en fr
  • GB419131A - Improvements in the mechanisms of key-operated stringed musical instruments : en
  • US1979821A - Spring suspension for motor vehicles : en
  • US1979256A - Electrical protective system : en
  • US1980033A - Tractor : en
  • AT139379B - Device for the delivery of current pulses. : de en
  • AT139449B - Process for the production of storable enamel slip. : de en
  • AU1731134A - Treating sulphate solutions, of thallium and cadmium : en
  • DE605421C - Switching device for the electric sounder, the direction indicator and the auxiliary headlights of vehicles, especially motor vehicles : de en
  • GB418998A - Apparatus for extinguishing flame in the gases flowing from the exhausts of aircraftengines : en
  • FR773069A - Telephone advertising method and apparatus : en fr
  • CA345804A - Heater : en fr
  • FR772791A - Manufacturing process of rings for roller bearings : en fr
  • FR772955A - Improvements to electric soldering irons : en fr
  • FR772801A - Advanced automatic handcuffs : en fr
  • DE605158C - Braking device on regulators : de en
  • DE605203C - Suspension of electric flange motors by means of rubber bushes : de en
  • FR772939A - Improvements to rotary grinders : en fr
  • FR773074A - Tap : en fr
  • FR772929A - Electrical transformation system : en fr
  • FR773071A - Handle for hand-operated rolling utensils : en fr
  • US1979504A - Nozzle : en
  • US1979767A - Device for compressing piston rings and cleaning grooves : en
  • US1979824A - Switch : en
  • AT139274B - Economy or emergency lighting. : de en
  • GB419216A - Improvements in and relating to means and apparatus for indicating the speed of water-borne vessels : en
  • GB419291A - Improvements in or relating to automobiles and other vehicles in which the road-wheels are independently spring-suspended : en
  • DE596843C - Centrifugal casting machine with central sprue for the molds : de en
  • DE605212C - Flexible power transmission device : de en
  • FR772765A - Special glider for aerial game : en fr
  • US1980062A - Bolted pipe joint : en
  • US1979534A - Disazo compound for therapeutic use : en
  • USD93788S - Design for a shoe : en
  • DE605419C - Helicopter with counter rotating rotors : de en
  • GB419079A - Improvements in or relating to powder distributing cartons, tins or like containers : en
  • GB419228A - Improvements in or relating to devices for supplying lubricant or other liquids : en
  • FR772750A - Improvements to the devices for changing the sheet and putting into service a new unwinder, for printing machines or the like : en fr
  • DE605111C - Piston fuel pump : de en
  • GB419093A - Improvements in clasp fastenings, suitable for use with articles of dress, such as scarves : en
  • GB419200A - Improvements in or relating to flexible diaphragms for valves, pumps and the like : en
  • GB419214A - Improvements in processes of manufacturing silicon carbide refractories and productsthereof : en
  • CA345787A - Sewage processing apparatus : en fr
  • FR772951A - Elbow with guide vanes, in particular in ventilation ducts : en fr
  • GB419182A - Attachment adapted to be fitted to a typewriter or like machine for obtaining copies without carbon paper : en
  • GB419282A - Improvements in and relating to apparatus for balancing rotary bodies : en
  • GB419268A - Improved melting pot for machines for casting stereotype plates and backing electrotypes : en
  • DE605253C - Shuttle valve with control valve for regenerative ovens : de en
  • GB419100A - Improvements in and relating to roofing tiles : en
  • GB419183A - Improvements in or relating to electrodes for alkaline accumulators : en
  • FR772804A - emitter with lamps cooled by circulating a liquid : en fr
  • FR772966A - Rotating turret, directly and remotely controllable, for rapid fire weapons, with retractable dome : en fr
  • DE605365C - Electric hot air shower : de en
  • DE605389C - Fixing rosette for electrical switches or similar installation devices : de en
  • FR772705A - Processes and apparatus for the manufacture of abrasive products and abrasive products thus obtained : en fr
  • US1979530A - Material kicking machine : en
  • FR773051A - Improvements to DC transformer systems : en fr
  • GB419345A - Improvements relating to snap fastener tape : en
  • FR772991A - Welding machine : en fr
  • DE605191C - Process for the preparation of 1-amino-2íñ3-dimethylanthraquinone : de en
  • DE605448C - Set binder, consisting of a frame surrounding the set, one of which supports an adjustable bar : de en
  • DE605319C - Automatic charger for collector batteries : de en
  • FR772823A - Magneto : en fr
  • GB419044A - Improvements in connecting rods : en
  • FR772852A - Process for preparing varnishes : en fr
  • US1979793A - Apparatus for attaching pouring spouts to cans : en
  • US1979389A - Pipe engaging slip : en
  • FR772708A - Record phonograph : en fr
  • FR772778A - Improvements to illuminated or non-illuminated signs : en fr
  • GB419037A - Improvements relating to the lubrication of axle housing mountings of railway trucks : en
  • GB419275A - Improvements in radiators for heating buildings and the like : en
  • FR772871A - Control device by worm gears and instantaneous clutch for guillotine shears : en fr
  • FR772907A - Method and apparatus for drying intaglio printed continuous sheets of paper : en fr
  • GB419522A - Improvements in the preparation and use of titanium compounds : en
  • GB419191A - Improvements in or relating to blowers, more particularly for use in vacuum cleaners : en
  • US1979870A - Method of and machine for grinding gears : en
  • FR772822A - Belt attachment system : en fr
  • GB419102A - Improvements in control mechanism for power-actuated variable-speed gearing suitable for use upon motor-vehicles : en
  • US1979698A - Hat ironing and finishing machine : en
  • US1979404A - Safety razor : en
  • DE605272C - Spacers and support rings for dry pot insulation against heat hazards : de en
  • AU1597234A - Improvements in or relating to folding tables andthe like : en
  • FR772972A - Improvements in the manufacture of wooden articles of annular shape or the like : en fr
  • USD93790S - Design fob a shoe : en
  • DE605248C - Protection device for single-phase induction motors with auxiliary phase : de en
  • GB419153A - Improvements relating to book bindings : en
  • US1979556A - Apparatus for and method of making solid carbon dioxide : en
  • DE605273C - Device for working out surface parts of any shape from sheet metal : de en
  • US1979514A - Display stand : en
  • US1979520A - Slumber screen : en
  • US1979540A - Lady's underwear : en
  • DK49497C - Machine for Kneading Margarine and Other Edible Fats. : da en
  • FR772768A - Process for the preparation of coumarin : en fr
  • DE605440C - Clamp closure for milk bottles consisting of two interconnected cardboard disks placed one on top of the other : de en
  • FR772749A - Method of proportional weighing of two liquids using the Bourdon tube; application to the greening of water : en fr
  • DE605269C - Silencer for internal combustion engines made of concentrically arranged pipes : de en
  • FR773087A - Device for opening and blocking a ventilation frame for greenhouses and pitched roofs : en fr
  • GB419014A - Improvements in trucks for spreading gravel and the like : en
  • US1980039A - Ventilating apparatus for vehicle bodies : en
  • AT139444B - Method and device for the aftertreatment of rayon. : de en
  • US1979593A - Score displaying means : en
  • US1979362A - Coal cleaning machine : en
  • US1979379A - Zinc-base white pigment and process of making the same : en
  • US1979344A - Cutter chain and bit therefor : en
  • US1979676A - Method of treating bitumen : en
  • DE605255C - Device for the treatment of human body cavities with ointments : de en
  • DE605398C - Intestinal tubes : de en
  • DE605224C - Device on apparatus for polishing glass plates or strips : de en
  • US1979438A - Pile wire : en
  • US1979993A - Container setting-up machine : en
  • US1979760A - Pipe or rod coupling and joint : en
  • CA345796A - Caisson : en fr
  • DE605154C - Exhaust silencer for vehicle engines : de en
  • AT139388B - Molten electrolyte rectifier. : de en
  • DE605235C - Process for the gradation adjustment of partial color negatives obtained by means of superimposed emulsion layers with different silver content : de en
  • GB419262A - Improvements in or relating to wearing apparel : en
  • AT139363B - Glow rectifier with hollow cathode. : de en
  • US1979839A - Safety device : en
  • US1979328A - Signaling system : en
  • US1979501A - Cooking device : en
  • USD93772S - Design for a safety emblem : en
  • AT139435B - Patterned elastic bodies such as rubber play balls in particular. : de en
  • DK49490C - Drive for Filming. : da en
  • FR772770A - Rotary pump for thick liquids : en fr
  • US1979967A - Piston : en
  • US1980024A - Control mechanism for alternately operated motors : en
  • US1979596A - Bathing fixture : en
  • US1979759A - Shipping receptacle : en
  • DE605414C - Seal for pipe fittings : de en
  • AT139412B - Safety razor. : de en
  • CA345800A - Drinking trough : en fr
  • DE605314C - Tamping machine for concrete roads : de en
  • GB419127A - Improvements in or relating to radial drilling machines : en
  • FR772825A - Baffle holders for mixers, stirrers, kneaders and the like : en fr
  • GB419026A - Improvements in fire extinguishers : en
  • USD93763S - Design for a woodworking tool : en
  • GB419224A - Improvements in synchronishing arrangements for sectionalised busbar systems : en
  • CA345823A - Light filter : en fr
  • AT139319B - Driving device for welding rods. : de en
  • US1980047A - Glass forming machine : en
  • FR773084A - Improvements in the supply of liquid fuel burners : en fr
  • GB419134A - Improvements in devices for delivering liquids in measured quantities from bottles and the like : en
  • AT139380B - Procedure and device for putting telegraph equipment into operation. : de en
  • DE605201C - Device for fastening the leveling cover of flush-mounted boxes on plaster-level : de en
  • DE605378C - Filter press plate : de en
  • US1979405A - Lock and container : en
  • US1979991A - Method and apparatus for forming, compacting, and discharging filter cake : en
  • US1979805A - Lock mechanism : en
  • DE605354C - Machine for trimming shoes : de en
  • GB419189A - Improvements in and relating to telephone installations : en
  • US1979600A - Water-insoluble azodyestuffs : en
  • US1980048A - Ladder web of venetian blinds : en
  • US1979383A - Label removing machine : en
  • US1979440A - Storage battery charging system : en
  • US1980139A - Boundary layer control for airfoils : en
  • CA345756A - Vulcanized rubber solution : en fr
  • DE605435C - Procedure for monitoring and checking the correct coordination of earth fault extinguishing devices in high-voltage networks : de en
  • US1979497A - Lock for door traps and the like : en
  • US1979406A - Bag truck : en
  • GB419232A - Improvements in the production of alkali metal nitrates : en
  • AT139369B - Contact poor. : de en
  • GB419276A - Improvements in or relating to metal cutting broaches : en
  • CA345795A - Lock washer : en fr
  • US1979862A - Shingle : en
  • AT139307B - Multi-motor drive for work machines. : de en
  • AT139340B - Height-adjustable and mobile scaffolding, especially for painting and decorating work. : de en
  • DE605371C - Process for making refractory products : de en
  • DE605459C - Procedure for replacing longitudinal grate bars that are drawn on cross members from the side in traveling grates : de en
  • DK49473C - Radio receiver with Fading Compensation Means. : da en
  • US1979588A - Remote control for radioreceivers : en
  • US1979397A - Photographic apparatus : en
  • US1979423A - Collapsible spool for motion picture film : en
  • US1979332A - Lighting device : en
  • US1979360A - Hosiery heel and method of making : en
  • US1979425A - Tandem motor mechanism : en
  • US1979578A - Protective mat for drawers : en
  • US1979949A - Meter box : en
  • US1979705A - Airplane gasoline gauge : en
  • US1980049A - Cap for dispensing containers : en
  • FR772827A - Mineral oil treatment process : en fr
  • GB419021A - Improved elastic yarns, and method of production thereof : en
  • US1979802A - Plugging device : en
  • US1979270A - Welding apparatus : en
  • GB419227A - A new or improved electrical terminal connection : en
  • AT139335B - Iron girder. : de en
  • CA345870A - Lens : en fr
  • DE605466C - Material for work equipment for processing glass or similar melts in an influessiges or plastic state : de en
  • AT139348B - Fuel pumps for internal combustion engines, in particular for diesel engines. : de en
  • FR773095A - Balancing mechanism of the weight of a mobile chassis : en fr
  • GB419525A - Improvements in electrical communication cables : en
  • AT139317B - Beams made of shaped stones lined up next to one another. : de en
  • CA345857A - Sound pick-up device : en fr
  • AT139343B - Internal combustion engine. : de en
  • US1979809A - Luggage rack and tire carrier : en
  • US1979823A - Valve attachment for liquid containers : en
  • DE605234C - Sealing compound for house connections, cables, sewer systems : de en
  • FR772808A - Key ring : en fr
  • GB419220A - Pre-selective planetary variable-speed gearing : en
  • US1979916A - Electrolytic condenser : en
  • US1979672A - Tempering cellulose acetate plastics : en
  • US1979810A - Radiator shutter : en
  • AT139390B - Grid-controlled polyphase rectifier with voltage intermediate stage. : de en
  • AT139398B - Rolling mill for the continuous production of vertically rising transverse projections on rod-like metal pieces. : de en
  • DE605176C - Modulation arrangement with a main transmitter operating with a suppressed carrier frequency and an auxiliary transmitter that adds the carrier frequency : de en
  • USD93766S - Design for a light projector : en
  • DE605259C - Plant for the production of a metal strip to be covered with gumimi and fabric : de en
  • DE605441C - Device for dry distillation of coal and similar carbonaceous substances : de en
  • DE605446C - Process for the preparation of hydroxylated anthraquinones : de en
  • US1979686A - Metal socket, bush, ferrule, rivet, and the like : en
  • US1980057A - Dispensing apparatus : en
  • US1980108A - Anticlogging attachment for grain augers : en
  • AT139336B - Electric drive, in particular for looms. : de en
  • FR773056A - Cartographic process and new industrial products resulting from its application : en fr
  • GB419173A - An improved switching arrangement for lighting installations : en
  • DK49478C - Cigar machine, especially for Waste Tobacco. : da en
  • GB419109A - Improvements in or relating to illuminating apparatus for lighthouses, beacons and the like : en
  • FR772792A - Improvements to devices for spacing characters : en fr
  • FR772950A - Improvement in internal combustion engines of the liquid fuel injection type : en fr
  • FR773047A - Direct current generator, intended in particular for welding, comprising a shunt winding and a compound winding, and enabling one or more welding stations to be supplied at will. : en fr
  • US1980063A - Emergency valve for vehicle tanks : en
  • USD93775S - Design for a tire : en
  • US1979985A - Apparatus for making liners : en
  • US1979840A - Television apparatus : en
  • US1979798A - Sectional key : en
  • US1980096A - Control valve : en
  • GB419272A - Refrigerating apparatus for the storage and preservation of food, delicacies and the like : en
  • US1979685A - Apparatus for heat treating foods : en
  • AT139438B - Process for finishing wool. : de en
  • DE605210C - Process for generating optical observation images with an enlarged exit pupil : de en
  • US1979955A - Detriting apparatus : en
  • US1979822A - Force measuring machine : en
  • US1980147A - Lens system : en
  • US1980153A - Reel : en
  • USRE19359E - Filter unit : en
  • US1979678A - Disazo compounds for therapeutic use : en
  • AT139378B - Telecommunication cable and process for its manufacture. : de en
  • AT139411B - Stretching device for the production of capsules for bottles u. like : de en
  • US1979322A - Pear treating apparatus : en
  • US1979908A - Vehicle coupler : en
  • AT139346B - Power or work machine. : de en
  • US1979339A - Candle socket : en
  • FR772959A - Improvements in processes and apparatus for the manufacture of artificial casings for sausages and similar articles : en fr
  • FR773045A - Hourdis for the construction of floors, ceilings or the like : en fr
  • GB419067A - Improvements in or relating to the conforming of uppers to lasts in shoe-making : en
  • US1979529A - Electric metal working method and apparatus : en
  • AT139428B - Process for the production of dry cultures of yeast and bacteria. : de en
  • US1979462A - Combustion controlling device : en
  • US1979734A - Petroleum refining apparatus : en
  • CA345879A - Game : en fr
  • US1979848A - Meat slicer : en
  • CA345850A - Fuse switch : en fr
  • US1979334A - Machine for winding material of ribbon like form into rolls : en
  • US1979786A - Apparatus and method for indicating defective welds : en
  • US1980008A - Manufacture of fertilizers : en
  • US1979264A - Welding electrode : en
  • US1979409A - Fastening-inserting machine : en
  • FR772818A - Material for construction : en fr
  • GB419195A - A new or improved thermometer or thermal electric switch : en
  • GB419333A - Improvements in collapsible cylindrical containers for liquids : en
  • US1979837A - Safety lamp : en
  • US1980068A - Element structure for electron devices : en
  • AT139360B - Expansion switch. : de en
  • CA345817A - Clad metal production : en fr
  • AU1416933A - Improved adjustable mounting device for the number plates and tail lights of motor vehicles : en
  • DE605433C - Ceramic fluid resistance and process for its manufacture : de en
  • US1979580A - Pole mounting : en
  • US1979470A - Method of joining bell and spigot pipe sections : en
  • US1980014A - Stamping machine : en
  • AT139394B - Molten electrolyte rectifier. : de en
  • DE605099C - When the pressure is reduced, audible alarm device on pneumatic tires, especially for motor vehicles : de en
  • DE605139C - Device to compensate for the influence of the room temperature on an electrically heated thermal release, namely the bimetal release of self-switches, and for setting the release path of the release : de en
  • DE605405C - Process for the production of corrosion-resistant, annealed aluminum alloys : de en
  • FR772716A - Electrical switching device for control systems : en fr
  • FR772865A - Method and device for surface hardening of metal objects by local heating and cooling : en fr
  • FR772884A - Container of molded plastic, wood or the like, with a tight-fitting lid : en fr
  • AT139325B - Apparatus and sheets for recording controlled spark discharges. : de en
  • US1979426A - Mechanical time fuse : en
  • US1979860A - Adjustable seat for vehicles : en
  • US1979931A - Swaging hammer : en
  • US1979498A - Composite piston : en
  • US1979906A - Brake apparatus for a wheel : en
  • CA345759A - Fire arm : en fr
  • US1979776A - Illuminated advertising, display, and demonstrating sign : en
  • US1979820A - Heat treatment : en
  • US1980144A - Valve construction : en
  • GB419115A - Improvements in optical-projection apparatus : en
  • FR772739A - Ignition circuits for electric discharge devices : en fr
  • FR772889A - Extendable barrel chuck for turning lathes : en fr
  • FR773021A - Improvements made to jacks operating by means of a pressurized fluid : en fr
  • GB419085A - Improvements relating to automatic electric circuit-breakers : en
  • DE605468C - Factory type printer : de en
  • FR772894A - Dry spinning process for viscose : en fr
  • GB419201A - Improvements in apparatus for mechanically solving threedimensional functions : en
  • USD93771S - Design for a spectacle front : en
  • FR772826A - Hardened lead alloy : en fr
  • DE605364C - Self-starting synchronous small motor : de en
  • DE605264C - Drive for the cutting unit of mowing machines : de en
  • US1980134A - Retreader : en
  • DE605307C - Process for the production of glyceric acid : de en
  • DE605400C - Suspension device for curtains, drapes or the like. : de en
  • GB419149A - Improvements in track-actuated train control apparatus : en
  • FR773023A - Advanced orienteering scope : en fr
  • GB419166A - Improvements in or relating to springs : en
  • FR772919A - Tilting, swiveling and adjustable ham holder : en fr
  • GB419317A - Improved handle for golf clubs and the like : en
  • US1979324A - Method of floating hematite : en
  • US1980121A - Cable terminal protector : en
  • GB419324A - Improvements in or relating to gramophones : en
  • FR772761A - Flash lamp : en fr
  • FR772844A - Artificial fins for bathers : en fr
  • GB419313A - Improvements in relation to moving and flashing advertising signs : en
  • FR772954A - : fr
  • FR773018A - Improvements to gas or vapor inhalers : en fr
  • US1979288A - Method of forming collared apertures in sheet metal articles including chronometer indicators : en
  • GB419125A - Process for degasifying solid fuels in intermittently operated chamber ovens : en
  • DE605308C - Turbine system, in particular ship turbine system : de en
  • FR772751A - Spring shock absorber system for seats specially applicable to motor vehicles and the like : en fr
  • GB419168A - Improvements in or relating to seats for use in road or rail vehicles : en
  • US1979316A - Folding mechanism : en
  • US1979885A - Hot gas gate : en
  • AU1490333A - Safety device for smokers : en
  • FR772774A - Method of establishing tools for working the earth and resulting industrial products : en fr
  • FR772839A - Film reel camera : en fr
  • DK49481C - Procedure for the manufacture of materials for plastics and for the manufacture of these of the said materials. : da en
  • GB419266A - Embossed pictures and method of producing them : en
  • FR772988A - Electric cable : en fr
  • FR773078A - Dry gluing for postcards, envelopes and other stationery and cardboard products : en fr
  • GB419209A - Improvements in and relating to wheels for vehicles : en
  • GB419217A - Improvements in the construction of mechanical side-shores for dry docks : en
  • GB419297A - Improvements in devices for supporting flowering and other plants : en
  • FR772742A - Arrow system for elastic fabric sheath : en fr
  • FR772905A - Device for damping the precessionary movement of gyroscopes : en fr
  • FR773067A - Bi-lateral tipping body device for motor trucks and any vehicles : en fr
  • GB419343A - Improvements in or relating to bronzing machines : en
  • GB419663A - Improvements in and relating to the parallel operation of electric discharge tube inverters with dynamo-electric alternating current generators : en
  • US1979663A - Ball and roller bearing : en
  • FR772870A - Injector burner for autogenous metalworking : en fr
  • DE605229C - Connection of two or more sliding axles of a rail vehicle : de en
  • FR772743A - Posometer : en fr
  • GB419358A - Improvements relating to the production of aqueous emulsions of bitumen, pitch or tar : en
  • GB419050A - Improvements in sides for spectacles : en
  • FR772883A - Improvements to grinders : en fr
  • FR773090A - Profile for the construction of support poles for overhead lines, or other similar applications : en fr
  • GB419142A - Improvements relating to electric accumulator plates : en
  • GB419030A - Safety razor with continuous blade : en
  • FR772834A - Improvements to lifting devices, such as hoists, winches and others : en fr
  • FR773005A - Lighting device for passing motor vehicles : en fr
  • US1979572A - Method of forming glass receptacles and article produced thereby : en
  • FR772878A - Automatic braking device, for vehicles : en fr
  • FR773059A - Endless traction unit for elevators and similar devices : en fr
  • GB419032A - Improvements in or relating to dialysing apparatus of the filter press type : en
  • AT139414B - Means for thawing. : de en
  • FR772953A - Installation for conditioning the air in premises : en fr
  • GB419250A - Improved coat-stand : en
  • GB419294A - Improvements in or relating to hydraulic couplings : en
  • GB419307A - Improvements in and relating to photo-electric apparatus : en
  • GB419299A - Improvements in magazine talking machines : en
  • FR772787A - Detergents : en fr
  • DE605254C - Device for transferring blood : de en
  • DK49491C - Device for Motor Vehicles for Operating the Engine Throttle Using the Vehicle Brake Pedal. : da en
  • US1979240A - Brush for a washing machine : en
  • US1979803A - Straight lift pumping unit : en
  • US1979551A - Rock drill fluid cleansing means : en
  • US1980043A - Equilibrated paint and varnish remover containing petroleum hydrocarbons : en
  • FR772877A - Further training at the receiving stations of t. s. f. powered by mains electricity : en fr
  • FR772885A - Contact device for electric timepieces : en fr
  • US1979247A - Central lubrication : en
  • US1979775A - Knife grinder : en
  • DE605187C - Mobile depositing device intended for tipping up and down goods : de en
  • FR772968A - Process for the production of new heterocyclic sulfonic acids : en fr
  • FR773068A - Method and apparatus for the distillation of solid substances : en fr
  • GB419097A - Improvements in and relating to face powder boxes or containers : en
  • CA345854A - Bicycle tire bead wire : en fr
  • US1979289A - Indicator for chronometers and the like : en
  • US1979722A - Sorting apparatus : en
  • US1979762A - Method of finishing sheet pyroxylin : en
  • AT139289B - Umbrella, in particular travel umbrella or collapsible umbrella. : de en
  • SE81928C1 - : en
  • DE605230C - Flexible closure for express train cars : de en
  • DE605149C - Car lock for conveyor baskets : de en
  • GB419263A - Improvements in or relating to side delivery hay rakes, swathturners and tedders : en
  • US1979741A - Apparatus for sharpening tools of chisel type : en
  • AT139269B - Reflector and electric incandescent lamp with a reflector arranged within the same. : de en
  • US1979466A - Bowling ball brake or retarder : en
  • US1979465A - Oil burning apparatus : en
  • US1979303A - Processing alcohols : en
  • US1979561A - Friction drive device : en
  • US1979737A - Molten metal sampling : en
  • FR772864A - Continuous toothed coupling connecting the interline wheel to the paper holder roll of typewriters and the like : en fr
  • CA345757A - Liquid drawing device : en fr
  • CA345799A - Photograph mounting and viewing method : en fr
  • US1979261A - Address plate : en
  • US1979621A - Balanced turbulence pump : en
  • FR772754A - Device for sharpening mechanical pencil leads : en fr
  • FR773029A - Improvements to switchgear and railway signaling devices : en fr
  • US1979733A - Stroke adjusting device for power hammers : en
  • US1979648A - Method and apparatus for making cigar fillers : en
  • DE605177C - Method for extinguishing an alternating current arc : de en
  • DE605189C - Zipper : de en
  • FR773001A - Overlock sewing process applicable to the manufacture of slippers and a sewing machine for obtaining this seam : en fr
  • GB418993A - Improvements in or relating to calculating machines : en
  • GB419260A - Improvements in and relating to electric transformers : en
  • US1980159A - Writing implement : en
  • US1979918A - Carburetor : en
  • DE605469C - Self seller : de en
  • FR772832A - Sofa or armchair bed : en fr
  • DE605155C - Pipe or rod connection : de en
  • DK49479C - Tool for Planning Tennis Courts. : da en
  • DE605153C - Electric insect trap : de en
  • GB419000A - Improvements in cloches for use in horticulture : en
  • DE605296C - Process for the production of cold enamel layers for the production of printing forms by photomechanical means : de en
  • AT139288B - Bag hanger. : de en
  • AT139356B - Process for the electrical remote perception of image and sound presentations using image and sound recordings on a shared carrier. : de en
  • DE605136C - Conveyor wagons for mining and similar operations, especially large capacity conveyors : de en
  • DE605301C - Tie holder : de en
  • CA345878A - Pump driving mechanism : en fr
  • DE605072C - Process for the preparation of diarylides of the ª ‰ íñª ‰ íñª ‰ íñª ‰ -Dioxyanthracenedicarboxylic acids : de en
  • US1979337A - Detachable spout : en
  • FR772987A - Ball skill game : en fr
  • GB419327A - Improvements in or relating to receipt envelopes : en
  • USD93793S - Design fob a shoe : en
  • GB419005A - An improved key purse : en
  • AT139323B - Device to prevent radio or electrical equipment from being connected to the power grid by unauthorized persons. : de en
  • DE605239C - Method and device for cleaning the drum shell filling consisting of loose filter material : de en
  • DE605339C - Sealing without using a sealing insert for pipes or vessels by means of resilient attachments : de en
  • DE605349C - Device for lubricating the hinges of swing doors : de en
  • US1979594A - Manganese - molybdenum - vanadium steel and articles made therefrom : en
  • US1980130A - Nodulizing cement materials, etc. : en
  • US1979560A - Bag lock : en
  • US1980076A - Toy : en
  • USD93778S - Design for a shoe : en
  • FR773025A - Fishing rod reel : en fr
  • US1979246A - Cycle controller : en
  • US1979602A - Apparatus for carrying out heat exchange processes : en
  • US1979914A - Mechanism for controlling the tension of material drawn from a roll : en
  • US1979881A - Rotary welding transformer : en
  • DE605148C - Document cabinet with sliding and pivoting cover : de en
  • AT139399B - Method and device for balancing and displaying loads by electrical means. : de en
  • FR773070A - Padded filling : en fr
  • GB419091A - Improvements in reflectors more particularly for street lighting : en
  • US1979393A - Thermodynamic energy storage method : en
  • US1979811A - Duplicating device : en
  • AT139350B - Diaphragm assembly. : de en
  • US1979395A - Fastening-inserting machine : en
  • US1979980A - Apparel ornament : en
  • US1980125A - Baseball game apparatus : en
  • FR772756A - Universal rolling mill : en fr
  • FR772741A - Assembly intended to reduce damping of tunable circuits : en fr
  • US1979424A - Pipe section : en
  • USD93789S - Design fob a shoe : en
  • CA345866A - Knitting machine : en fr
  • DE605175C - Process for the production of water-soluble, physiologically active substances : de en
  • US1979276A - Automatic gramophone : en
  • US1979777A - Dual container : en
  • US1980044A - Pneumatic crutch pad : en
  • FR772943A - Utensil with dishcloth, cloth or similar handle : en fr
  • GB419160A - Improvements in and relating to electric radiation or grill hoods : en
  • GB419226A - Improvements in or relating to driving gear for swash type engines : en
  • US1980114A - Skeg for barges and like vessels : en
  • US1980155A - Television : en
  • CA345821A - Aircraft ski : en fr
  • FR772809A - Device for permanent indication of the position of the shafts and limitation of the wear of bearings, shaft stops, etc. : en fr
  • US1979548A - Electric vibrator : en
  • US1979590A - Process and apparatus for conditioning air in refrigerators : en
  • US1979468A - Device for relighting gas ranges : en
  • US1979479A - Tool controlling device : en
  • GB419296A - Improvements in stamping or embossing machines : en
  • DE605426C - Device for the production of ceramic objects on roller alleys : de en
  • DE585818C - Block drive for escalators : de en
  • US1979431A - Game : en
  • US1979552A - Method and apparatus for removing cores from tires : en
  • US1979394A - Steam generator : en
  • US1979978A - Hand bag and case : en
  • US1980029A - Safety razor : en
  • US1979414A - Differential mechanism : en
  • FR773028A - Acoustic beaconing process : en fr
  • GB419074A - Improvements in and relating to machines for coating articles by dipping : en
  • DE605286C - Painting lock : de en
  • DE605321C - Motor generator to generate a constant DC voltage when the speed fluctuates : de en
  • FR773041A - Sheet metal grids : en fr
  • GB419196A - Improvements in or relating to the hardening of steel and alloy steels : en
  • GB419114A - Improvements in or relating to key-operated electric tumbler switches : en
  • GB419197A - Improvements in or relating to suction cleaners : en
  • AT139401B - Tool carriers for boring mills. : de en
  • US1979491A - Shock absorber : en
  • US1980133A - Pocketbook : en
  • US1979312A - Ore drying apparatus : en
  • US1979674A - Curtain and curtain saddle : en
  • GB419029A - Improvements in radiators for motor vehicles : en
  • GB419362A - Method of making negatives for use in the production of photomechanical printing plates and photographic prints : en
  • US1980018A - Coke-oven apparatus : en
  • FR772767A - Improvements to machines to conform the upper to the curve of the shape in the manufacture of shoes : en fr
  • US1979721A - Method and apparatus for making paper bags : en
  • FR772843A - Automatic lounge chair : en fr
  • FR772935A - Continuous absorption refrigeration machine : en fr
  • GB419231A - Improvements relating to electric plug and socket connectors : en
  • GB419244A - Improvements in or relating to tire building apparatus : en
  • GB419110A - Improved method of and apparatus for detecting faults in rods or the like of magnetic material : en
  • US1979849A - Four-wheel brake mechanism : en
  • DE605113C - Device for performing the method according to patent 601789, consisting of a pincer-like body : de en
  • GB419087A - Improvements in or relating to apparatus for enabling surgeons to ligature arteries at a distance : en
  • GB419118A - Improvements in or relating to trousers : en
  • DE589788C - Pack for razor blades : de en
  • DE605195C - Locking device for the casting pump of a die setting and line casting machine : de en
  • GB419338A - Improvements in and relating to screw pumps or compressors : en
  • GB419169A - Improvements in or relating to billiard tables : en
  • US1979458A - Container closure : en
  • GB419245A - A process and apparatus for the production of hydrogen peroxide : en
  • DE605227C - Device for dividing cigars or the like. : de en
  • GB419068A - Improvements in or relating to the recovery of sulphur dioxide from gas mixtures : en
  • US1979604A - Beverage cooling and dispensing apparatus : en
  • AT139344B - Throttle valve with hose seal. : de en
  • US1979509A - Driving mechanism for revolving needle bars of combing and gilling machines : en
  • USD93758S - Design fob a shoe : en
  • US1979447A - Railway and tramway rail and wheel flange lubrication : en
  • US1979510A - Telegraphic printing mechanism : en
  • US1979317A - Electric relay : en
  • DE605392C - Switch with linearly moved switching element for switching several circuits in a predetermined order : de en
  • US1979386A - Heel-seat fitting machine : en
  • US1979831A - Crown slitter : en
  • AU1496233A - Process of preserving and condensing vegetables : en
  • US1979633A - Apparatus for the production of music : en
  • US1979634A - Toilet seat cover : en
  • US1979944A - Electric arc welding : en
  • SE81892C1 - : en
  • US1979562A - Folding chair : en
  • DE605118C - Toothbrush : de en
  • DE605138C - Device for regulating the speed of electric motors by means of load machines : de en
  • GB419053A - Improvements in and relating to processes of purifying liquids and apparatus therefor : en
  • DE605185C - Device for sending sound waves in a specific direction : de en
  • DE605220C - Process for the treatment of paper machine felts, felt rollers or felt tubes : de en
  • DE605360C - Device on weaving machines with gripper guards for bending the weft ends : de en
  • FR772924A - Improvements made to devices to reduce relatively soft material to small pieces, in particular to put soap in the form of flakes : en fr
  • US1979563A - Chair seat : en
  • CA345765A - Reflector : en fr
  • DK49484C - Gearshift device for Automobiles and the like. : da en
  • USD93767S - Design for a game apparatus : en
  • USD93757S - Design for a match holder display : en
  • DE605104C - Schuetzenschlagvorrichtung for underlay looms : de en
  • US1979772A - Antiskid device : en
  • US1979766A - Inertia actuated weft detector : en
  • US1979997A - X-ray machine : en
  • USD93805S - Design for a shoe : en
  • DE605302C - Zipper : de en
  • GB419120A - Improvements in devices for the decomposition and composition of pictures, particularly in television : en
  • GB419180A - A process and apparatus for the manufacture of bands, threads and the like from animal fibres : en
  • GB419293A - Manufacture of resinous products : en
  • US1979800A - Motion picture projecting machine : en
  • US1980040A - Candle light : en
  • USD93762S - Design fob a spoon ob otheb abticle : en
  • US1979258A - Washboard : en
  • CA345840A - Tobacco stemming machine : en fr
  • US1979275A - Autoelectronic triode device : en
  • US1979402A - Concentric shield for cables : en
  • US1979933A - Safety device for gas mains : en
  • AU1496033A - Improvements in totalisator ticket issuing machines : en
  • AT139408B - Slide fastener and method of making the same. : de en
  • US1979503A - Pit prop : en
  • US1979804A - Multiple passage wiring duct : en
  • CA345883A - Textile material : en fr
  • AT139393B - Procedure for operating secondary batteries. : de en
  • AT139397B - Water post. : de en
  • AT139257B - Electric discharge tube. : de en
  • US1979523A - Automobile mechanism : en
  • US1979719A - Photographic camera : en
  • US1979341A - Process for preparing cellulose : en
  • AT139280B - Cannula for introducing therapeutically active agents into the human or animal body. : de en
  • AU1493833A - Valve control for bitumen sprayers : en
  • CA345751A - Centrifugal sorting machine : en fr
  • US1979673A - Washing machine : en
  • US1979704A - Method of producing high strength calcined gypsum : en
  • US1979654A - Sash control : en
  • US1979251A - Process and apparatus for forming paving material : en
  • AT139270B - Electrical discharge vessel and process for its manufacture. : de en
  • FR772866A - Method and apparatus for the manufacture by hand of carpets, and in general of pile fabrics : en fr
  • GB418980A - Improvements in electric discharge tubes : en
  • US1979623A - Recreation pool : en
  • US1979241A - Paintbrush preserver : en
  • US1979668A - Electron discharge device : en
  • AT139305B - Flame cutting machine with manual control of the torch. : de en
  • AU1716934A - Improvements in or relating to method of and machine for washing clothes andthe like : en
  • CA345839A - Knitting machine : en fr
  • AT139448B - Coke emptying device for vertical gas retorts for coking coal u. like : de en
  • CA345881A - Straw making machine : en fr
  • AT139400B - Process for the production of pressurized gas containers. : de en
  • FR772732A - Device for turning and moving profiles, for rolling mill stands : en fr
  • FR772795A - Hygienic packaging for powdered materials such as sugar : en fr
  • GB419318A - Improved automatic coupling device for rolling stock vehicles : en
  • US1979765A - Thread holder for weft replenishing looms : en
  • AT139311B - Dutch. : de en
  • DE605178C - Protective device for single armature converters that either work alone or are connected in parallel with direct current sources that are also dependent on the alternating current side, without the interposition of protective switching devices : de en
  • GB419301A - Improvements in or relating to the automatic vending of milk or other liquid in bottles : en
  • CA345809A - Ventilator : en fr
  • DE605268C - Incubator with egg turner : de en
  • US1979507A - Coke oven machine : en
  • US1979524A - Draft rigging : en
  • FR772707A - Electric induction furnace : en fr
  • US1979255A - Pipe joint packing device : en
  • US1980055A - Cofferdam frame : en
  • DE605134C - Electric motor drive for compressors, especially for refrigeration systems : de en
  • US1979691A - Cushion and weather strip : en
  • US1980080A - Adjustable connecter : en
  • US1980116A - Sliding shelf sectional bookcase : en
  • US1979684A - Product and process of making reenforced coverings : en
  • US1979278A - Chair : en
  • US1979690A - Valve operating mechanism : en
  • US1979928A - Meter sealing device : en
  • US1979291A - Refrigerating apparatus : en
  • US1979417A - Fastening-inserting machine : en
  • US1979584A - Game device : en
  • US1979986A - Cellulosic composition : en
  • US1979330A - Control apparatus : en
  • US1979990A - Method of filter cake discharge : en
  • FR773042A - Safety cap can be placed and removed from the neck of bottles and containers : en fr
  • FR773049A - Flush for water closet : en fr
  • GB419132A - Improvements in or relating to garment pattern : en
  • US1979294A - Powder dispensing device : en
  • GB419271A - Improved circuit arrangements for gasfilled electric discharge tubes : en
  • FR772867A - Method for directing electric current : en fr
  • DE605328C - Device for keeping the fabric wide when rolling plastic masses into a metal fabric on calenders : de en
  • AT139254B - Needle holder with spring-loaded jaws. : de en
  • DE605226C - Drive device on machines for wrapping bread : de en
  • AT139395B - Electric welding device with a flexible electrode. : de en
  • US1979745A - Apparatus for converting lead suboxide to litharge : en
  • US1979927A - Hand printer : en
  • AT139299B - Electric alarm device with a spring-loaded pin inserted into the keyhole. : de en
  • US1979942A - Flash light operating device : en
  • FR772874A - Adjustable blade holder for guillotine shears : en fr
  • GB419444A - Process of heating coal : en
  • DE605219C - Process for the treatment of paper machine felts, felt rollers or felt tubes : de en
  • AT139278B - Insert bidet. : de en
  • CA345747A - Hair net : en fr
  • AT139382B - Arrangement for the transmission of telegraphic signs with telegraphic means. : de en
  • US1979628A - Mono alkyl ethers of 1, 4-dihydroxy anthracene : en
  • DE605192C - High pressure feed water preheaters, especially for locomotives : de en
  • DE605404C - Process for the production of intermediate layers from nitrocellulose for shatterproof glass : de en
  • US1979835A - Box : en
  • US1979963A - Popgun barrel : en
  • USD93773S - Design for a handle or knob for a : en
  • US1979575A - Tire band : en
  • FR772855A - Windshield maneuvering device : en fr
  • GB419039A - Improvements in couplings containing a finely divided power transmission medium : en
  • AT139291B - Through-flow tube boilers, in particular limit steam generators. : de en
  • US1979285A - Duplicating machine : en
  • USD93764S - Design for an automobile or similar : en
  • US1979929A - Process of treating artificial threads : en
  • US1979473A - Column clamp and power feed interlock : en
  • US1979787A - Wax polish : en
  • US1980007A - Method of removing ammonia from gases : en
  • AT139383B - Anchor bodies of electrical machines. : de en
  • AT139421B - Process for the improvement of edible flours for the production of pastries, baked goods and pasta. : de en
  • US1979351A - 3, 6 diamino 2-alkyl pyridine and process for producing the same : en
  • AU1511133A - Improvements in or relating to milking sheds and apparatus : en
  • CA345815A - Grid-forming mechanism : en fr
  • US1979446A - Condiment holder : en
  • USD93795S - Design fob a brooch : en
  • USD93797S - Design fob a service station : en
  • AT139391B - Arrangement for measuring the direct current flowing in a high voltage system. : de en
  • US1979773A - Pencil holder : en
  • CA345838A - Knitting machine : en fr
  • DE605127C - Device for supporting a turbine housing : de en
  • FR772979A - : fr
  • US1979375A - Clip : en
  • US1980110A - Slug casting machine : en
  • US1979576A - Brassiere : en
  • US1979768A - Double universal joint : en
  • US1979370A - Lubricating apparatus : en
  • CA345790A - Bar and service means : en fr
  • FR772722A - Advanced training in stair carpet fasteners : en fr
  • DE605323C - Pump arrangement for metal vapor discharge apparatus : de en
  • FR772879A - Device for the transport of railway wagons on road vehicles with support of the trailer on the tractor : en fr
  • US1979432A - Weed cutter : en
  • DK49495C - Railing device for roof and wall constructions. : da en
  • AT139301B - Process for the production of electrolyte iron sheet. : de en
  • AT139329B - Saw blade. : de en
  • CA345750A - Electric direction indicator : en fr
  • CA345820A - Synthetic resin : en fr
  • US1979555A - Band tightening device : en
  • US1979266A - Mining machine : en
  • US1979297A - Aircraft altitude determination system : en
  • US1979979A - Garden marker : en
  • US1979286A - Compressor : en
  • US1980111A - Slug casting machine : en
  • US1980031A - Golf club : en
  • AT139313B - Process for making electric detonators. : de en
  • US1979635A - Musical instrument : en
  • CA345837A - Bumper post : en fr
  • DE605120C - Registration device : de en
  • US1979300A - Method of making garments and product thereof : en
  • AT139364B - Circuit arrangement in telephone systems with several branch points that can be optionally called on a common connecting line. : de en
  • DE605325C - Process for the production of sulfur- and nitrogen-containing anthraquinone derivatives : de en
  • DK49487C - Procedure for Monitoring Spot Welding and Electrical Welding Circuits for Use in the Procedure. : da en
  • FR772850A - Carrier caterpillar : en fr
  • AT139450B - Device for treating cheese, in particular small cheeses, in the fermentation and ripening rooms. : de en
  • FR773055A - Variable reach crane with horizontal path of load and center of gravity : en fr
  • US1980023A - Outside molding or reveal : en
  • AT139439B - Two- or multi-phase baking process and process for preserving baked goods. : de en
  • CA345832A - Catalyst : en fr
  • CA345793A - Internal combustion engine : en fr
  • US1979373A - Apparatus for defiberizing wood : en
  • US1979437A - Treating hydrocarbon oils : en
  • US1979481A - Device for indicating inclination : en
  • US1979801A - Pneumatic dispatch system : en
  • USD93760S - Design for a furniture leg or the : en
  • AT139314B - Display device for hot water tanks. : de en
  • US1980012A - Mercury boiler level indicator : en
  • USD93785S - Design for a bottle cap : en
  • US1979696A - Commutating brush : en
  • US1979272A - Pontoon floating deck for tanks : en
  • CA345785A - Car loading and unloading device : en fr
  • US1979496A - Device for closing filled bags : en
  • US1979724A - Drafting instrument : en
  • US1979630A - Humidifier : en
  • US1979735A - Printing : en
  • US1979808A - Window attachment : en
  • DE605353C - Metal ink erase with book-size stapled erase paper strips : de en
  • DE605384C - Process for the production of gravure inks : de en
  • US1979771A - Floral basket : en
  • US1979899A - Diaper and the like : en
  • US1979254A - Lead-sodium alloy : en
  • US1979371A - Pneumatic tire construction : en
  • US1979867A - Engine starter : en
  • US1980001A - Automatic sewing machine : en
  • DE605240C - Process for the production of cellulose derivatives : de en
  • US1980090A - Impulse fuel feeding device : en
  • DE605460C - Process for the production of sock lengths on the flat weft knitting machine : de en
  • DE605291C - Flow-through turbine with axially divided impeller and axially divided controllable inlet device : de en
  • DE605322C - Interference protection on electrical machines in the form of a capacitor connected between the collector brushes and the machine housing : de en
  • FR772725A - Tuber demarking machine such as beets for example : en fr
  • US1979856A - Condenser assembly jig : en
  • CA345777A - Moulded plate, rod, last and tube production : en fr
  • US1979982A - Gauge glass illuminator : en
  • CA345775A - Tamping machine : en fr
  • DE605103C - Sewage purifier : de en
  • DE605326C - Artificial teeth : de en
  • DE605438C - Fixed tensioning of the crossbeam on planing machines : de en
  • CA345872A - Aircraft wing : en fr
  • US1979814A - Combined loose leaf binder and reading stand : en
  • US1979832A - Bucket structure : en
  • US1979956A - Box : en
  • US1979995A - Insulation : en
  • US1980002A - Aircraft : en
  • US1979451A - Method and apparatus for recovery of condensates : en
  • AT139279B - Device for introducing medicinal products into the body by means of ionthophoresis. : de en
  • CA345810A - Film and foil manufacture : en fr
  • US1979874A - Braking mechanism : en
  • US1980032A - Self-starting enclosed arc lamp : en
  • AT139252B - Device for generating and receiving electromagnetic vibrations. : de en
  • AT139304B - Remote control system with several sub-stations or switching groups on one line. : de en
  • AT139425B - Process for the production of an agent for promoting plant growth using molded bodies made of peat to which fertilizer salts are added. : de en
  • CA345788A - Motor compressor : en fr
  • AT139275B - Toothbrush. : de en
  • AT139316B - Process for the production of plastics. : de en
  • US1979740A - Well strainer : en
  • US1979571A - Process of drawing bell and spigottype pipe : en
  • AT139321B - Drive arrangement for electric vehicles. : de en
  • US1980151A - Abradant material and process of its manufacture : en
  • US1979852A - Electric switch : en
  • US1979912A - Testing device : en
  • US1979296A - Television apparatus : en
  • US1979461A - Shoe structure : en
  • DE605454C - Direction finding device : de en
  • GB419328A - Improvements in or relating to the air cooling of internal combustion engines : en
  • US1979314A - Power line reactor : en
  • US1979453A - Loud speaker : en
  • US1979670A - Method of preparing foundations : en
  • US1979817A - Radiator cabinet : en
  • US1979566A - Collapsible bed : en
  • CA345825A - Hand brake mechanism : en fr
  • US1979553A - Apparatus fob cooling baker : en
  • CA345818A - Fluid pressure brake : en fr
  • US1979568A - Folding table : en
  • US1979637A - Piston ring sizing machine : en
  • AT139326B - Multi-blade circular saw machine for cutting firewood. : de en
  • DE605106C - Burner for gas firing : de en
  • US1979697A - Annealing furnace : en
  • DE605180C - Roentgen tubes in which the individual parts of the focal point are moved at different speeds relative to the anticathode surface : de en
  • US1979369A - Safety gate : en
  • US1979449A - Preparation of organic acids : en
  • US1980141A - Cushion carrying case for syringe outfits and the like : en
  • AT139302B - Theft protection for motor vehicles. : de en
  • CA345845A - Sewing machine : en fr
  • AU1497933A - An improved ice-cooled cabinet for freezing and storing flavoured ice blocks andthe like : en
  • AT139422B - Homogeneous armor plate. : de en
  • USD93792S - Design for a shoe : en
  • US1979301A - Tray : en
  • GB419184A - Improvements in or relating to oven doors or other heat insulating structural units : en
  • GB419048A - Improvements in dyeing acetyl-cellulose and mixed materials containing acetyl-cellulose : en
  • CA345867A - Windshield wiper : en fr
  • US1979490A - Insulating means : en
  • DE605181C - Process for the heat treatment of mass cores : de en
  • DE605388C - Overhead line tensioning device : de en
  • FR772816A - Improvements to heat exchangers : en fr
  • US1979353A - Group feed distribution system : en
  • FR772812A - Improvements to mercury vapor devices, and in particular to ultra-violet lamps : en fr
  • GB419007A - Improvements in or relating to apparatus for filtering liquids, particularly lubricating oil : en
  • GB419017A - A combined washing machine and boiler : en
  • GB419152A - Improvements in tubular boilers for hot-houses and the like : en
  • DE605250C - Thermal tripping device for multi-pole overcurrent switches : de en
  • DE605256C - Steam heating system with gradient storage boiler : de en
  • DE605329C - Process for the manufacture of squeeze tubes : de en
  • US1979311A - System of measurement and control : en
  • CA345780A - Humidifier : en fr
  • GB419080A - Improvements in window sills for houses and other structures : en
  • DE605376C - Device for the production of hollow bodies : de en
  • US1979818A - Method of dyeing : en
  • GB419042A - Improvements in fan cooling means for mercury arc converters : en
  • DE605290C - Watch glass attachment : de en
  • DE605366C - Process for monitoring and regulating combustion and gasification processes : de en
  • GB419112A - Improvements in and appertaining to picking-sticks for looms : en
  • FR772992A - Installation to maintain constant the intensity of an electrical network, in particular for measurement operations : en fr
  • DE605263C - Switching device for the control strip on cash registers : de en
  • FR772857A - Chuck refinements : en fr
  • GB419312A - Improvements in and relating to the treatment of hydrocarbon material for the purpose of removing carbon bisulphide therefrom : en
  • US1979709A - Time limit contactor : en
  • FR772753A - Automatic resonance control device for single-control superheterodyne radio receivers : en fr
  • GB419284A - Improvements in and relating to inductance coils and the like for use in radio-frequency current circuits : en
  • GB419038A - Improvements in or relating to lubricators for the axles of pit tubs and the like : en
  • DE605300C - Vibrating sieve in which self-cleaning takes place through vibrations of one or more sieve fabrics : de en
  • DE605399C - Friction device : de en
  • FR773019A - Hourdis for reinforced concrete floors : en fr
  • DK49474C - Device for Scattering Road Materials from Trucks. : da en
  • FR773030A - Improvements to synchronous motors and their application to signaling systems : en fr
  • DE605280C - System for conveying milk and liquid milk products using the vacuum process : de en
  • DK49483C - Stove for operation with Gas or liquid, gasified Fuel. : da en
  • GB419242A - Improvements in electric fuses : en
  • FR772957A - Adjustable headrest with parasol : en fr
  • FR773031A - Speed regulation device for machines and in particular for steam turbines : en fr
  • FR772946A - New nail dispenser : en fr
  • GB419251A - Improvements in springing in connection with motor vehicles : en
  • DE595069C - Process for the production of highly flammable semi-pyrophoric metals : de en
  • GB418978A - Improvements in or relating to grinding, crushing, pulverizing, and mixing mills : en
  • US1979357A - Electric motor mechanism : en
  • US1979505A - Coloring : en
  • US1979752A - Raking and picking up tool : en
  • US1979880A - Automatic clutch : en
  • US1979412A - Spool or bobbin for roll films : en
  • US1979728A - Boiler cleaner : en
  • FR773077A - Improvement in protective glasses : en fr
  • DE605327C - For the storage of bedding, clothes or the like. Serving accessory part of bedsteads : de en
  • US1979816A - Container : en
  • GB419075A - Appliance for the after treatment of fibrous materials, in particular artificial silk wound on perforated bobbins by a suction or pressure treatment : en
  • GB419177A - Improvements in or relating to a method of and apparatus for projecting an image on a screen : en
  • FR772927A - Refinements to valve bags : en fr
  • FR773040A - Improvements to aircraft comprising a muzzle pulling along the axis of rotation of a propeller : en fr
  • US1979325A - Grinding and polishing apparatus : en
  • US1980158A - Oscillatory circuit : en
  • US1979592A - Chain link : en
  • FR772960A - Potato masher : en fr
  • FR772706A - Absorption process : en fr
  • FR772899A - Adherent, anti-halo photographic film holder : en fr
  • GB419040A - Presser-foot for sewing machines : en
  • FR772803A - New configuration and structure for airplanes : en fr
  • FR772908A - Process for converting primary or secondary unsaturated alcohols into their corresponding unsaturated carbonyl compounds : en fr
  • GB419308A - Improvements in or relating to wetting, penetrating, dispersing, foaming and cleansing agents used in the textile industry : en
  • GB419326A - Improvements in and relating to struts for photograph frames and the like : en
  • USRE19368E - Electric vapobizer : en
  • CA345801A - Plant setting apparatus : en fr
  • FR773063A - Device for viewing stereoscopic photographic or cinematographic views projected onto a screen or the like : en fr
  • US1979951A - Sash : en
  • US1979774A - Mail dispenser : en
  • US1979764A - Thread extractor for weft replenishing looms : en
  • USD93798S - Design fob a bottle : en
  • US1979518A - Preparation of organic acids : en
  • US1979320A - Double-chamber back-filling apparatus with automatic control : en
  • US1980020A - Ground rod : en
  • US1980106A - Work holding and positioning device : en
  • US1980150A - Television and like apparatus : en
  • DE605161C - Device for x-ray kymography : de en
  • US1979636A - Insulation for doors : en
  • US1979512A - Logarithmic calculating mechanism : en
  • DK49472C - Claim button. : da en
  • FR773064A - Improvements to sprinklers or water intakes : en fr
  • US1979287A - Method of chloridizing ore materials : en
  • DE605101C - Device for opening and pulling lined flat bags from the stack : de en
  • US1979356A - Seal : en
  • AU1357033A - Improvements in or relating to electronic detecting devices for high frequency carrier waves : en
  • US1979464A - Steak slicing and dicing machine : en
  • FR772713A - Connections for the earthing of reinforced cement structures and supports and other applications : en fr
  • AU1491433A - Appliance for cutting out the covers of conserve tins : en
  • DE605184C - Reverse brake with frame for attaching small-caliber automatic firearms : de en
  • DE605274C - Machine for cold twisting concrete bars or cold twisting two such bars with simultaneous stretching : de en
  • US1980026A - Fabricated dynamo-electric machine : en
  • FR772880A - Fluid pump improvements : en fr
  • US1980104A - Fishing tackle case : en
  • US1979478A - Boring machine : en
  • GB419321A - Improvements in and relating to plug-in electric switches : en
  • FR773098A - New type of internal combustion engine : en fr
  • US1980054A - Veneer : en
  • FR773014A - Safety device preventing fire and theft from automobiles as well as fuel leaks from the carburetor : en fr
  • US1979459A - Game apparatus : en
  • USD93784S - Design for a nipple or the like : en
  • DE605244C - Lubrication of axle bearings, especially for rail vehicles : de en
  • DE605429C - Method for achieving uninterrupted conveyor operation in single-chamber compressed air conveyor machines : de en
  • US1980156A - Method of and means for making or separating an expansion fit : en
  • DE605017C - Process and rolling mill for hot rolling strips and sheets : de en
  • GB419254A - Improvements in and relating to filters for vacuum-cleaners and the like : en
  • AT139258B - Gas-filled electric discharge tube. : de en
  • DE605284C - Template ruler for controlling the tool on machines for grinding curved surfaces : de en
  • DE605442C - Device for the method for controlling the delivery rate of injectors in which the propellant and the material to be conveyed are under the same static pressure : de en
  • GB419172A - Improvements in vacuum installations for paper making machines : en
  • US1979693A - Extractor : en
  • US1980117A - Nonmetallic connection : en
  • DE605275C - Schlaegermuehle with central introduction of the goods : de en
  • DE605144C - Metal steam valve with metal housing : de en
  • DE605292C - Centrifugal machine unit for hydraulic storage : de en
  • FR772835A - Acceleration measuring device : en fr
  • DE605361C - Dough molding machine : de en
  • DE605265C - Control for sprinklers with intermittent water delivery : de en
  • DK49492C - Combined Side Stick and Tie Sewing Machine. : da en
  • FR773060A - Improvements in processes for the irradiation of substances by means of ultra-violet rays : en fr
  • US1979429A - Apparatus for making sandwich rolls : en
  • US1979961A - Method of preventing corrosion and corrosion resisting joints : en
  • GB419229A - Improvements in and relating to rotary filters : en
  • FR773022A - Wedge snap : en fr
  • FR772831A - Control device for rotary oil burners : en fr
  • DE605343C - Pump or compressor with a sickle-shaped working space and an annular piston moving like an eccentric : de en
  • GB419347A - Improvements in or relating to the packing of bath sponges and similar porous bodies : en
  • FR772737A - Metal box for the transport of containers : en fr
  • FR772786A - Process for the production of glycosides of higher aliphatic alcohols : en fr
  • GB419186A - Improvements in and relating to a method of and apparatus for balancing rotating bodies : en
  • FR772726A - Portable fire extinguisher : en fr
  • FR772937A - Trap : en fr
  • AT139265B - Positive pillar electric discharge tube and process for making the same. : de en
  • AU1670334A - Improvements in or relating to self-loading and discharging excavators orthe like : en
  • US1979779A - Temperature limiting mechanism for hot water systems : en
  • US1979911A - Cake plate : en
  • US1980066A - Electric vaporizer : en
  • CA345859A - Optical system for photophonographs : en fr
  • AU1491533A - One-wheeled -trailer for automobiles and similar vehicles : en
  • DE605262C - Spine of a skeletal model : de en
  • US1980060A - Cooking stove : en
  • US1980126A - Separable link : en
  • DE605143C - Incandescent cathode for high vacuum discharge tubes : de en
  • FR772820A - Spool holder for double wire twist spindles : en fr
  • FR772796A - Device for weaving looms, to keep the warp tension constant during and after unwinding : en fr
  • FR772995A - Device for games : en fr
  • US1979957A - Slicing machine : en
  • US1980078A - Winding machine : en
  • US1979333A - Power transmitting apparatus : en
  • US1979532A - Hydrocarbon oil conversion : en
  • US1979477A - Sprinkling system : en
  • US1979790A - Railway grade crossing construction : en
  • US1979841A - Nonknocking motor fuel : en
  • US1980000A - Oil press : en
  • US1980072A - Rope and cable holder : en
  • US1980100A - Electromagnetic process for surveying the deviations of drill holes : en
  • US1979385A - Cosmetic preparation : en
  • US1979260A - Mixed synthetic oil and product derived therefrom : en
  • US1979731A - Coupling gauging machine : en
  • US1979962A - Garment or ironing press : en
  • US1980011A - Method for the production of magnetic strips or tapes : en
  • DE1317038U - : de en
  • DE605359C - Method and device for the production of foundation bodies from concrete, in particular piles, in aggressive waters : de en
  • FR772847A - Watertight grease seal device to communicate any rotary, spherical, oscillating or helical movement from one medium to another, separated by a watertight partition : en fr
  • GB419015A - Goods of or containing rubber or similar material having perforations therethrough and a method for the production thereof : en
  • US1979657A - Seal for floating tank roofs : en
  • US1979692A - Stroboscopic testing apparatus : en
  • US1980034A - Mechanical appliance for removing feathers, stubs, and down from fowls, game-birds, ducks, geese, or the like : en
  • USD93776S - Design fob a shoe buckle or similar : en
  • US1979625A - Refrigerated display case : en
  • US1979346A - Method and apparatus for coating and drying materials : en
  • US1979564A - Desk : en
  • CA345782A - Alumina recovery : en fr
  • GB419281A - Improvements in or relating to the manufacture of knitted fabrics : en
  • US1979441A - Switch : en
  • US1979613A - Device for delivering tokens : en
  • US1979435A - Transmission system : en
  • US1979903A - Receptacle for liquids : en
  • US1979541A - Fertilizer distributor : en
  • AT139429B - Process for the hot forming of a eutectoid steel. : de en
  • US1979292A - Typewriting machine : en
  • US1979650A - Lamp for road vehicles : en
  • DE605409C - Device for lifting the paper roll in calculating machines : de en
  • US1979457A - Safety guard for machines : en
  • US1979343A - Sewing thread : en
  • US1979619A - Road building machine : en
  • CA345852A - Draft and buffing gear : en fr
  • US1980099A - Obstruction remover for sink drains and the like : en
  • AT139290B - Tension regulator for lengths of fabric. : de en
  • US1979348A - Valve operating mechanism : en
  • US1979754A - Protective system : en
  • US1979649A - Apparatus for spraying materials : en
  • GB419101A - Improvements in or relating to shoes : en
  • FR772886A - Self-regulating aeromotor : en fr
  • US1979274A - Closure and seal therefor : en
  • AT139277B - Electric incandescent lamp, discharge tube or flash lamp. : de en
  • DE605105C - Directional antenna system for sending and receiving : de en
  • DE605417C - Process for developing silver halide emulsions : de en
  • AU1405633A - Improvements ins our relating tothe manufacture of cigarettes : en
  • CA345836A - Bumper post : en fr
  • US1979526A - Spring shackle : en
  • US1980038A - Electric relay : en
  • AT139306B - Medium frequency amplifier. : de en
  • DE605133C - Address printing plate frame : de en
  • USD93786S - Design for a shoe : en
  • DE605351C - Door stay with a locking pin that springs vertically downwards : de en
  • DE605411C - Liquid self-seller : de en
  • FR773007A - Device intended to improve the acoustics of performance halls or other venues : en fr
  • DE605165C - Holder for broken and whole whetstones by means of a longitudinally slotted sleeve : de en
  • DE605196C - Device for cooling the casting lines on die setting and line casting machines : de en
  • DE605451C - Adjustment device for the return spring of the universal rail of typewriters : de en
  • DE605345C - Device on bottles to prevent unauthorized refilling : de en
  • GB419035A - Improvements in and relating to electromagnetic relays : en
  • AU1494733A - Improvements in and connected with feeding apparatus for dry granulated or pulverised materials : en
  • US1980083A - Preparation of acidophilus products : en
  • US1979323A - Liquid dispensing and cooling device : en
  • US1980059A - Paper napkin : en
  • US1980071A - Separation of wax from hydrocarbon oils : en
  • US1980124A - Safety catch : en
  • US1979567A - Folding rule : en
  • US1979472A - Method of and apparatus for drawing sheet metal : en
  • AU1242133A - Switching or changeover means lor use ina radio repeating or transmitting station : en
  • US1979900A - Binder : en
  • US1979934A - Process for the removal of ammonia and hydrogen sulphide from gases : en
  • US1980142A - Regulating device using copper oxide rectifiers : en
  • FR773058A - : fr
  • US1979411A - Soap bar : en
  • AT139322B - Process for cold vulcanizing race rings. : de en
  • FR773024A - Boiler installation with superheater : en fr
  • AT139259B - Apparatus for bloody and bloodless cupping. : de en
  • AT139342B - Steam boiler. : de en
  • CA345770A - Bearing race grinding machine : en fr
  • DE605188C - Bread pusher for ovens : de en
  • DK49493C - Process for the Preparation of a Porous, Bound Mass of Calcium Sulfate (Stucco) of the Anhydrite Type with Accelerators. : da en
  • CA345858A - Sound pick-up device : en fr
  • FR772719A - Automatic tripping system, central latching with double plates with inhibited reclosing, operating vertically : en fr
  • FR773052A - Device for winding film tapes : en fr
  • DE605109C - Registration machine with repeating device for individual amounts, subtotals and totals, especially for ticket printing : de en
  • DE605247C - Control device for display devices to display the end and intermediate positions of an electric motor-driven switch : de en
  • USD93755S - Design for a heater : en
  • FR772971A - Special terminal for battery leads : en fr
  • US1979581A - Molding machine : en
  • US1980010A - By-product ammonia recovery method : en
  • US1980028A - Railroad : en
  • AT139389B - Molten electrolyte rectifier. : de en
  • AT139309B - Process for the production of wine pulp vinegar. : de en
  • US1979329A - Railroad rail supporting structure : en
  • FR772931A - Process for producing mixed fertilizers containing nitrogen, phosphorus, lime and optionally potash : en fr
  • FR772933A - Process for making reinforced ends at each end of seamless tubes of large diameters : en fr
  • FR772945A - Connecting sleeve : en fr
  • GB419012A - Improvements in or relating to lubricating devices for locks : en
  • FR773066A - Improvements made to inductance coils for high frequencies, particularly those intended for radioelectric devices : en fr
  • US1979415A - Finishing, draining, and packing mechanism for centrifugal casting machines : en
  • US1979868A - Engine starter : en
  • US1979655A - Method of lining concrete pipe and the like : en
  • US1979736A - Ventilated toilet : en
  • US1979847A - Meat slicing machine : en
  • US1979902A - Sanitary shelf : en
  • FR772970A - Tube heating oven : en fr
  • GB419078A - Improvements relating to radiator muffs for automobiles : en
  • GB419054A - Improvements in tool chucks : en
  • GB419024A - Hand galley for composing matrix lines for type line casting : en
  • US1979642A - Beam : en
  • US1980069A - Process and plate for color printing : en
  • FR772724A - Improvement in the operation of electrolytic installations using diaphragm cells for the production of caustic alkaline liquors : en fr
  • GB419083A - Improvements in and relating to cleaning or polishing appliances : en
  • FR772911A - Improvements to television devices : en fr
  • GB419233A - Improvements in and relating to the construction of light sensitive cells : en
  • GB419009A - Improvements in the manufacture of articles from steel alloys : en
  • FR772731A - Process for crushing, mashing and sifting soft materials : en fr
  • GB419004A - Improvements in and relating to methods and apparatus for controlling the time of duration of the injection of fuel in explosion chambers, more particularly in constant volume explosion chambers of the type employed in explosion turbines : en
  • DE605356C - Device for opening lid boxes : de en
  • FR772928A - Galvanized metal tiles, without interlocking perforations and fixing by special tension for roofs : en fr
  • FR773016A - Automatic switch : en fr
  • GB419140A - Improvements in or relating to overhead suspension railways : en
  • DK49485C - Insulated Car body, Elevator and similar Container. : da en
  • GB419305A - Illuminating means for the indicators of finger-operated change-speed gear-levers : en
  • DE605190C - Process for the production of prints, dyes and color reserves of insoluble azo dyes on the fiber : de en
  • GB419175A - Electrical cable and method of manufacture : en
  • DE605117C - Method and device for spreading the feet of zipper links : de en
  • GB419246A - Improvements in or relating to drilling and like rotary spindle machines : en
  • DE605334C - Control device with Ruettelkoerper : de en
  • FR772711A - Device increasing the speed of swimmers : en fr
  • FR773061A - Automatic return-to-home short-circuit indicator : en fr
  • GB419151A - Improvements in the manufacture of compound sheet material : en
  • DE605267C - Incubator : de en
  • AU1448833A - Slip-in fly window screen : en
  • US1979702A - Combination finger ring and ornamental pin : en
  • US1979747A - Supercharger : en
  • AT139292B - Screw locking. : de en
  • DE605467C - Stiff felt hat : de en
  • US1979778A - Lubricating device for twister rings : en
  • US1979378A - Caster : en
  • DE605380C - Disc filter cell : de en
  • US1979591A - Lubricator : en
  • US1979445A - Centrifugal switch : en
  • US1979907A - Emergency brake lever : en
  • US1979443A - Headstock for lathes : en
  • US1980019A - Magnetic speedometer : en
  • US1980021A - Method of chemically etching glass surfaces : en
  • GB419273A - An improved culinary utensil or vessel for pressure-cooking : en
  • US1980053A - Shingle and method of manufacturing the same : en
  • US1979603A - Cartridge reloader : en
  • US1979671A - Method for the production of rosin esters : en
  • US1979607A - Meter apparatus : en
  • AT139405B - Device for the automatic determination of the density or viscosity of a gas. : de en
  • DE605381C - Disc filter cell for suction cell rotary filter : de en
  • AT139339B - Color bodies. : de en
  • FR772891A - Impedance time relay to protect electrical installations : en fr
  • GB419349A - Improved foot arch support : en
  • DE605428C - Box for insertable packs, e.g. B. cartons for cigarettes : de en
  • AT139373B - Membrane, especially for telephones, microphones or other electro-acoustic apparatus. : de en
  • US1979549A - Portable refreshment stand : en
  • US1979939A - Tumbler lock and method of fitting the same to a predetermined key change : en
  • FR772720A - Improved process and apparatus for the production of cylindrical hollow articles : en fr
  • FR772740A - Automatic safety switch relay for automotive electrical equipment : en fr
  • US1979730A - Method of treating fuel : en
  • US1980107A - Governor-controlled drifting valves for locomotives : en
  • AT139445B - Process and plant for the production of fermentation vinegars. : de en
  • US1979926A - Water softener : en
  • CA345835A - Wallboard joint : en fr
  • US1979922A - Automatic road signal : en
  • AT139272B - Biological sewage treatment plant with horizontal flow filter device. : de en
  • AU1493533A - Improvements in or relating to radio receivers : en
  • US1980120A - Safety device for gas pilots : en
  • CA345868A - Fastener installation : en fr
  • DE605216C - Lock : de en
  • AT139409B - Ski armchair. : de en
  • GB419047A - Device for detecting the presence of foreign gases or suspensions in air or other gas : en
  • AT139324B - Left and left knitting machine. : de en
  • GB419199A - Improvements in and relating to the operation of adjustable electrical elements in electrical signalling apparatus : en
  • GB419300A - Improvements in electric switches specially applicable to switches for combined fuseand switch boxes for lighting circuits : en
  • US1979616A - Propeller control : en
  • US1979873A - Soot collector : en
  • CA345784A - Moulding composition : en fr
  • US1979450A - Preparation of organic acids : en
  • US1979543A - Register : en
  • US1979732A - Plural unit heat exchanger : en
  • US1979410A - Bar support : en
  • US1979897A - Machine fixture : en
  • DE605458C - Process for operating gas generators with mechanical ash discharge : de en
  • US1979484A - Communication system : en
  • US1980009A - Process for the recovery of benzol and its homologues from solvents : en
  • DE605285C - Treating grinding wheels with hardening suspension agents : de en
  • DE605333C - Gas detection apparatus : de en
  • FR772983A - Close door : en fr
  • GB419203A - A shaft connection for engine plants : en
  • US1979474A - Cartridge type drive gear assembly : en
  • FR772776A - Improvements made to the processes for establishing assemblies which must include juxtaposed flat parts, in particular for establishing tiling, paving, etc. : en fr
  • CA345781A - Metal recovery : en fr
  • CA345851A - Mineral oil separation : en fr
  • CA345880A - Dandelion puller : en fr
  • AT139374B - Clamp for electrical overhead lines or other wire and rope connections. : de en
  • US1979448A - Method of sweetening petroleum products : en
  • US1979791A - Shaking screen : en
  • DE605304C - Wick blue burner : de en
  • GB419103A - Improvements in or relating to electrical timing apparatus : en
  • CA345811A - Paper ash tray : en fr
  • US1979830A - Automatic gear changing mechanism : en
  • GB419043A - Improvements in or relating to hair waving devices : en
  • AT139407B - Process for the production of a multi-part hardened gear. : de en
  • US1979577A - Oil burner air diffuser : en
  • US1979653A - Alarm device : en
  • US1979836A - Automatic starter : en
  • FR772976A - Process for improving the suppleness of leather : en fr
  • DE605445C - Process for the production of oxydiphenylsulfonic acids : de en
  • US1979253A - Carton blank folding and stapling machine : en
  • US1979519A - Preparation of organic acids : en
  • US1980140A - Boundary layer control for airfoils : en
  • CA345869A - Sash balancing device : en fr
  • FR773038A - Clutch control : en fr
  • GB419063A - Improvements in and relating to steam locomotives : en
  • FR772845A - Powder for making sauces : en fr
  • GB419055A - Device for generating or controlling the magnetism of an alternating current magnet acting on an armature : en
  • AT139267B - Electric discharge tube. : de en
  • DE605199C - Signaling device for overpasses : de en
  • GB419011A - Improvements in or relating to floors : en
  • GB419348A - Improvements in and relating to hosiery : en
  • GB419185A - Improvements in and relating to pressure regulators : en
  • GB419105A - Improvements in or relating to cycle and like electric lamps : en
  • GB419241A - Improvements in or relating to the cutting of multiple-screw threads : en
  • FR772836A - Soluble starch manufacturing process : en fr
  • GB419020A - Improvements in or relating to wood-working ploughs : en
  • GB419329A - Improvements in and relating to vehicle bodies : en
  • FR773094A - Ball game : en fr
  • GB419023A - Improvements in and relating to tooth-brush : en
  • FR772710A - Artificial fuel : en fr
  • US1979358A - Illuminated panel : en
  • US1979857A - Automatic thermogravity gas cut-off : en
  • AT139406B - Razor and knife. : de en
  • DE605397C - Process for the treatment and storage of undyed chrome leather : de en
  • CA345875A - Speed governor drive and generator : en fr
  • US1979536A - Truing device for grinding wheels : en
  • FR772888A - Four-pick carpet mat : en fr
  • US1979537A - Motor : en
  • US1979843A - Collapsible table : en
  • GB419088A - Improvements in or relating to power driven road vehicles : en
  • US1979589A - Method and apparatus for conditioning air in refrigerators : en
  • US1979665A - Dynamo-electric machine : en
  • US1979374A - Click lock : en
  • US1979640A - Marking, printing, and embossing machine : en
  • US1979638A - Refrigerating apparatus : en
  • US1979769A - Constant current transformer : en
  • US1979252A - Radius turning tool : en
  • US1979797A - Floor machine : en
  • DE605449C - Device on die setting and line casting machines for automatic repeated engagement of the drive for the purpose of repeated casting of the same line : de en
  • US1979667A - Dyestuffs of the diazine series : en
  • US1979889A - Stove or heater : en
  • AT139268B - Spark gap for generating electrical waves. : de en
  • DE605313C - Process for the production of briquettes suitable for refining in the blast furnace : de en
  • US1979720A - Director : en
  • AU1495533A - Improvements in or relating to automatic clutch devices for extension ladders : en
  • US1979641A - Package opening device : en
  • FR772989A - Improved method and apparatus for dispensing liquids : en fr
  • DE605312C - Safety device for liquid container : de en
  • GB419116A - Improvements in and relating to fire-protecting apparatus for storage tanks : en
  • DE605415C - Grinding machine : de en
  • FR773085A - Burner for liquid fuels : en fr
  • US1979476A - Pump : en
  • US1979487A - Cable cutting and stripping tool : en
  • DE605123C - Process for the preparation of acridine compounds : de en
  • DE605194C - Gap magazine for die setting and line casting machines : de en
  • GB419252A - Improvements in or relating to ventilating fans for electrically-driven hand-tools : en
  • US1979631A - Flatiron : en
  • FR772828A - New welt cutter : en fr
  • GB419193A - Improvements in the mounting and supporting of screw propellers for ships or the like : en
  • FR773039A - Single-cylinder, rotary, four-stroke combustion engine : en fr
  • GB418982A - Improvements in or relating to the manufacture of rackets for lawn tennis and other games : en
  • US1979887A - Christmas tree ornament and method of making the same : en
  • GB419099A - Improvements in or relating to cellular structures : en
  • GB419126A - Improvements in and relating to diamond drills : en
  • US1979318A - Time recorder system : en
  • US1979669A - Modulation meter : en
  • US1980149A - Rear view mirror : en
  • US1980131A - Pan support : en
  • CA345884A - Filament production : en fr
  • GB419190A - Improvements relating to the production of treatment of cellulose derivatives : en
  • US1979298A - Aeroplane wing : en
  • US1979335A - Piston : en
  • US1979352A - Cathode control : en
  • US1980077A - Recuperator : en
  • GB419295A - Improvements in or relating to the manufacture of materials for producing or detecting polarised light : en
  • DE605271C - Double acting paddle slide motor : de en
  • DK49475C - Ceiling or Scotch lamp. : da en
  • AT139282B - Screen grid tube with rectification section. : de en
  • AU1459733A - Improvements in or relating to electrical frequency control systems suitable for use in radio and like transmitters : en
  • DE605288C - Card spinning machine : de en
  • FR773075A - Sophisticated faucet : en fr
  • US1979326A - Synchronous motor clock system : en
  • GB418985A - Improvements in or relating to rackets for lawn tennis and other games and the manufacture thereof : en
  • GB419210A - Improvements in gyroscopic apparatus : en
  • CA345874A - Cap for receptacles : en fr
  • GB419303A - Improvements relating to shelving : en
  • GB419526A - Improvements in type-printing telegraph systems with means for eliminating interference : en
  • GB419028A - Stabilization of ships by means of liquid-filled tanks : en
  • FR772993A - Installation for power factor measurement : en fr
  • IE13724L - Vacuum distillation of solids : en
  • US1979244A - Welding tip : en
  • US1979896A - Method of lining tunnels, shafts, or the like : en
  • US1979994A - Oscillation generation : en
  • IE13217L - Soluble starch : en
  • FR772932A - Glass substitute, especially for optical lenses : en fr
  • US1979763A - Bottle transfer apparatus : en
  • DE589633C - Mercury vapor rectifier with insert to limit the clearance of the cathode spot : de en
  • FR772800A - Device for dusting sheets and carpets from motor vehicles : en fr
  • GB419046A - Improvements in absorption refrigerating apparatus : en
  • AU1737134A - Improvements in and connected with cots, cradles andthe like : en
  • US1979535A - Art of hob manufacture : en
  • FR773082A - Box for tapes or bands with sticky material : en fr
  • US1979699A - Balance coil : en
  • DE605231C - Vacuum switch : de en
  • US1979565A - Treatment of hydrocarbon oils : en
  • US1980112A - Slug casting machine : en
  • USD93791S - Design fob a shoe : en
  • DE605439C - Process for cold machining of workpieces with a circular cross-section by straightening, rounding, smoothing and polishing in the helical rolling mill : de en
  • FR772909A - Filtered : en fr
  • GB419283A - Improvements in or relating to tap changing apparatus for electric transformers : en
  • GB419340A - Improvements in and relating to wheels for vehicles : en
  • GB419121A - Apparatus for analysing objects by ultra-violet rays : en
  • FR772944A - Grain thresher : en fr
  • GB419346A - Improvements in expansible bags : en
  • DE605152C - Magnetic record carrier : de en
  • GB419269A - Improvements in and relating to locks : en
  • DE605186C - Molds, in particular dovings, for lignite briquette presses : de en
  • US1980088A - Conveyer : en
  • DE605197C - Paper carriage switching device on typewriters : de en
  • DE605432C - Process for the separation of methane from other gaseous hydrocarbons and for the utilization of the latter : de en
  • DE605464C - Press plate for hydraulic presses, especially vulcanizing presses : de en
  • FR772875A - Guillotine shear rear guide, with adjustment from the front of the machine : en fr
  • FR773010A - Weapon support for fast, aerial or other vehicles : en fr
  • FR773017A - Device to reduce wear and the chance of the rose pivot breakage in liquid compasses : en fr
  • USRE19362E - Insulated dish : en
  • CA345774A - Coke production : en fr
  • US1979380A - Pigment and method of manufacture : en
  • FR772956A - Method and device for the vaporization of heavy hydrocarbons by contact with inert porous and absorbent materials : en fr
  • FR773015A - Advanced seat : en fr
  • US1979452A - Magnesium alloy : en
  • US1979806A - Blind gasket : en
  • FR772963A - Improvements to items such as curling irons : en fr
  • DE605396C - Stovepipe wall socket : de en
  • FR772779A - Process for liberating an alkaline earth metal in discharge vessels : en fr
  • US1979723A - Variable speed transmission : en
  • US1980138A - Layout and apparatus for handling wires or strips : en
  • CA345755A - Ferrous sheet material finishing method : en fr
  • US1979582A - Binding post terminal : en
  • GB419298A - Improvements in time base arrangements for use in oscillographic observations and the like : en
  • US1979652A - Drilling chuck : en
  • US1979959A - Piston balancing machine : en
  • DE605209C - Loading equipment, in particular on ships : de en
  • FR772747A - Advanced front mirror : en fr
  • FR772789A - Carburetor for internal combustion engines : en fr
  • US1979687A - Garment hanger : en
  • US1979898A - Method and apparatus for spooling artificial silk : en
  • FR772797A - Disc brakes for bicycles, motorcycles, etc. : en fr
  • GB419292A - Improvements in methods for purifying electric insulating liquids : en
  • DE605317C - Ultra short wave generator : de en
  • FR773054A - Device for regulating and recording flow quantities : en fr
  • GB419117A - Improvements in and relating to processes and apparatus for the transfer of heat from compressed gases, more particularly from the gases discharged from explosion chambers, preferably from the explosion chambers for turbines, to other materials : en
  • FR772915A - Remote road bollards and signs : en fr
  • FR772962A - Tap : en fr
  • GB419128A - Car wheel bearing and closure : en
  • DE1317308U - : de en
  • DE605315C - Seating furniture (armchair or chair), especially for road and rail vehicles : de en
  • DE605223C - Device for internal grinding of cylindrical ring bodies : de en
  • GB419353A - Improvements in and relating to wheels for vehicles : en
  • FR772948A - Crankset for bicycles : en fr
  • GB419192A - Improvements in or relating to instrument boards : en
  • GB419154A - Manufacture and use of wetting preparations : en
  • DE605346C - Hollow knife for drawing the blood from slaughtered animals : de en
  • DE605257C - Gravity hot water heating system in which the radiators are the same height or slightly lower than the boiler : de en
  • DE605179C - Device for measuring the specific steam consumption in electrical power plants : de en
  • GB419064A - Improvements in and relating to display devices : en
  • CA345778A - Vehicle body : en fr
  • DE605137C - Autonomous route block system : de en
  • CA345882A - Textile material : en fr
  • FR772766A - Window mechanism : en fr
  • GB419187A - Improvements in or relating to centrifugal separators : en
  • CA345827A - Rubber thread or tube producing device : en fr
  • AT139276B - Collective lens for low magnification telescopes. : de en
  • FR772745A - Method of shaping the collars on the tubes and apparatus allowing the realization : en fr
  • GB419279A - Improvements in hats and method of making same : en
  • DE605266C - Bird water with gradually rising ground to the edge : de en
  • US1979715A - Plug fuse : en
  • US1979338A - Watchcase : en
  • US1979387A - Cash register : en
  • US1979770A - Two-cycle engine scavenging and charging : en
  • FR773093A - Braking device, particularly applicable to vehicle wheels : en fr
  • DE605394C - Incandescent cathode for high vacuum discharge tubes : de en
  • GB418996A - Improvements in or relating to illuminating apparatus for lighthouses, beacons and the like : en
  • DE604754C - Device for alternating crimping of a paper or other material web that is passed through a printing press or the like intermittently or continuously and then zigzagged together : de en
  • US1979331A - Method of marking materials : en
  • FR772994A - Advanced folding box for pastries and more : en fr
  • FR772763A - Incandescent lamps : en fr
  • DE605375C - Device for applying an oil layer to the sealing water of the multi-stroke gas containers : de en
  • FR772777A - Improvements made to the means for establishing tiles, slabs, etc., which must include shiny spots : en fr
  • GB419111A - Improvements in or relating to jib cranes : en
  • GB419222A - Improvements in or relating to containers for litter and the like : en
  • FR772714A - Miter box for automatically performing cuts along the bisector of a given angle : en fr
  • DE605450C - Cleaning device for the space wedges of setting machines : de en
  • FR772913A - Non-slip horse shoe : en fr
  • FR773043A - Movable container lid device for all uses and particularly for garbage cans : en fr
  • GB419352A - Improvements in cathodes for electric discharge tubes : en
  • US1979614A - Halogenated ethanol : en
  • FR772819A - Internal sealing pouring cap : en fr
  • GB419342A - Improvements in and relating to hollow rivets and rivet joints : en
  • GB419310A - Hydraulic control gear : en
  • DE605350C - Folding device for folding sliding gates : de en
  • US1980056A - Power actuated hand plane : en
  • FR773076A - Alloy enhancements : en fr
  • DE605237C - Process for reducing the expansion coefficient of all types of soapstone-containing ceramic masses and other ceramic masses with magnesium components : de en
  • GB419323A - Improvements in darts : en
  • CA345814A - Bituminous emulsion : en fr
  • FR773027A - Process for the distillation of coal at low temperature and means for the implementation of this process : en fr
  • AT139338B - Device for the production of weft-free cord materials. : de en
  • US1979381A - Shoe roughing tool : en
  • US1979920A - Automatic starting mechanism : en
  • US1980027A - Straw gathering attachment for harvesters : en
  • US1980051A - Fire extinguisher : en
  • FR772760A - Dropper device for bottles : en fr
  • FR772895A - Stenotopographic approximator quadrille : en fr
  • AT139376B - Circuit arrangement for releasing occupied connection devices in telephone systems. : de en
  • GB419130A - Improvements in or relating to shock-absorbers for vehicles : en
  • CA345841A - Rubber product manufacture : en fr
  • AT139347B - Carburetors for internal combustion engines. : de en
  • CA345873A - Centrifugal pump : en fr
  • US1979876A - Paper napkin : en
  • US1979882A - Rotary welding transformer : en
  • DE605193C - Casting point of a die setting and line casting machine with die bars circulating on wire : de en
  • FR772780A - Advanced swing : en fr
  • AT139359B - Electrical paper-insulated telephone cable that is subject to constant vibrations. : de en
  • AT139410B - Stud screwdriver for removing broken studs. : de en
  • FR772910A - Process for the production of heterocyclic sulfonic acids : en fr
  • FR772861A - Rocking chair refinements : en fr
  • FR773032A - Aromatic bases, their preparation process and their application to obtaining new colorings : en fr
  • USD93796S - Design fob a kitchen novelty maid : en
  • US1979639A - Apparatus for heating and cracking oil : en
  • US1979644A - Brake apparatus for a wheel : en
  • US1979971A - Flaked resorcinol : en
  • US1979756A - Holding device : en
  • US1979812A - Magneto electric machine : en
  • US1980074A - Corn planter attachment : en
  • USD93756S - Design for a golf club : en
  • USD93761S - Design for a shoe : en
  • US1979485A - Rubber safety socket : en
  • US1979651A - Method for high pressure condensate return : en
  • AT139284B - Oscillator circuit for intermediate frequency heterodyne receivers to achieve a constant center frequency. : de en
  • US1980064A - Washing machine : en
  • DE605289C - Closing device with tongs legs moved by toggle levers, especially for the overlapping ends of band tires for packages : de en
  • US1979679A - Elevator : en
  • US1979384A - Apparatus for blanching nuts : en
  • US1979923A - Paper can : en
  • FR772938A - Pressure reducing device : en fr
  • GB419163A - Improvements in kettles and like liquid heating vessels : en
  • GB419253A - Improvements in electric sound recording and reproducing devices : en
  • IE13420L - Starch products : en
  • GB418979A - Improvements in and relating to electric tachometers : en
  • DE605232C - Arrangement for monitoring the braking state in the event of electrical short-circuit braking : de en
  • US1979277A - Electric switch : en
  • FR773006A - Improvements to protective covers for notebooks and similar items : en fr
  • US1979350A - Support for phonograph turntables : en
  • US1979495A - Process foe the manufacture of : en
  • US1980085A - Gas pilot control : en
  • FR773009A - Further training in the establishment of magnets and electromagnets : en fr
  • US1979844A - Amusement device : en
  • GB418971A - Improvements in and apparatus for the operation of direct current electric arcs : en
  • FR772717A - Improvements to cisterns for water closets : en fr
  • DE605166C - Tennis racket with a metal string frame : de en
  • FR772973A - School desk-table convertible into apartment furniture : en fr
  • GB419096A - Improvements in thermionic cathodes : en
  • DE605370C - Winding transmission device for cigar machines : de en
  • DE605379C - Edge filter : de en
  • US1979242A - Wheeled toy : en
  • US1979647A - Handling sewage sludge : en
  • FR772830A - Binder rings : en fr
  • DK49494C - Device for Photographic Apparatus. : da en
  • US1980094A - Bottle closure cap releasing means and caps associated therewith : en
  • US1979267A - Method and apparatus for testing bituminous and other mixtures : en
  • FR772727A - Improvements to ventilation systems for wagons and other vehicles : en fr
  • GB419311A - Improvements in or connected with jig-saw puzzle structures : en
  • GB418997A - Improvements in or relating to the manufacture of azo dyestuffs : en
  • GB419171A - Improvements relating to clutching and braking devices, particularly for variable speed or reversing gears : en
  • FR772709A - Coupling device for axes forming a universal joint applicable to all rotary movements : en fr
  • GB419139A - Improvements in piles and sheet piling walls : en
  • GB419354A - Improvements in and relating to wheels for vehicles : en
  • DE605276C - Folding camera with brilliant viewfinder : de en