• CH228701A - Electrically serviced regulating device for the movement for a timepiece. : en fr
  • US2329220A - Sailing and sailing gear : en
  • US2329497A - Art of mounting piezoelectric crystals : en
  • NL55139C - : en
  • AU221840A - Improvements in or relating to wireless receiving sets : en
  • AU117456B2 - Improved mattresses : en
  • US2329530A - Roll-polishing apparatus : en
  • CH228697A - Device for the objective determination of dark adaptation. : de en
  • US2329405A - Core drill : en
  • US2329216A - Regulator : en
  • US2329630A - Exposure meter : en
  • US2329395A - Certain water-soluble high molal oxyalkylated esters and method of making same : en
  • US2329450A - Marine engine governor : en
  • US2329458A - Tufting machine : en
  • US2329573A - Air-cooled human footwear : en
  • CH228719A - Grinding and polishing media. : de en
  • CH228790A - Packaging container. : de en
  • CH228616A - Coffee brewing device. : de en
  • US2329178A - Conveyer for confections for conditioning and other purposes : en
  • US2329396A - Individual vacuum regulator for milking machines : en
  • US2329603A - Ash tray : en
  • US2329348A - Garage door latch and lock : en
  • US2329315A - Valve : en
  • USD136350S - Design for a fibrous cap for container : en
  • CH228718A - Coolant for grinding metals. : de en
  • CA415152A - Metallic structure skin applying method : en fr
  • CA415136A - Condenser film maintaining electrolyte : en fr
  • FR52186E - Device for adjusting the lighting circuits of stages and similar installations : en fr
  • FR885473A - Automatic threading lathe : en fr
  • FR885471A - Orthopaedic insoles : en fr
  • FR885410A - Retractable landing gear with wheel brake can be tightened at will : en fr
  • DE739269C - Process for the revitalization of shaped catalysts consisting of silicon-containing substances and metal sulfides : de en
  • FR885417A - Method of mutual coupling of a hollow conductor with a line : en fr
  • CH228732A - Liquid ring impeller pump for the simultaneous delivery of a gaseous and a drip liquid. : de en
  • CH228837A - Process for the preparation of a tetrakisazo dye. : de en
  • AU117470B2 - Improvements in or relating to apparatus for reinforcing paper cloth, or like fabrics : en
  • CA415240A - Propeller : en fr
  • US2329545A - Automobile, especially running gear for same : en
  • FR885368A - Process for the preparation of free sulfonic acids : en fr
  • DE739224C - Installation system with cable-like lines and junction boxes : de en
  • GB555914A - Improvements in or relating to the manufacture of electrical condensers : en
  • US2329607A - Display card for transportation advertising : en
  • US2329653A - Tool installed wire connector : en
  • US2329185A - Machine for cutting grass, weeds, and the like : en
  • US2329391A - Trolley clamp : en
  • DE739130C - Snowshoe with a partially hollow outsole : de en
  • US2329414A - Aerial apparatus : en
  • USD136344S - Design for a finger ring : en
  • GB556065A - Improvements in metallic cooking and heating vessels having thermally conductive reinforced bases : en
  • US2329386A - Rotary pump : en
  • US2329485A - Supplemental metallic window unit : en
  • CH228666A - Loose leaf book. : de en
  • CH228691A - Constant impedance unbalanced attenuator. : en fr
  • US2329625A - Modulation measuring system : en
  • AU117475B2 - Improved fuel gasifying system : en
  • CH228594A - Process of building constructions with perforated blocks in agglomerate of plant material and cementitious binder. : en it
  • CH228624A - Sewing machine with a hook arranged in a free arm. : de en
  • CA415169A - Pressure gauge : en fr
  • GB555994A - Improvements in or relating to bottles or like containers and closures therefor : en
  • FR885428A - Method of preserving objects, in particular foodstuffs and consumer products : en fr
  • DE739299C - Process for the preparation of aryl ether esters of polyhydric alcohols : de en
  • US2329188A - Progressive heat treating : en
  • CA415149A - Paper machinery : en fr
  • DE739164C - Process for the production of magnesia (Sorel) cement compounds : de en
  • DE739220C - Process for increasing the citric acid solubility and improving the grindability of Thomas slag : de en
  • GB556033A - Improvements in and relating to collapsible tubes : en
  • DE739174C - Steam separator for steam generator with circulation of the working medium : de en
  • DE739214C - Device for loosening and spreading side by side running, treated and dried synthetic thread bands : de en
  • CH228658A - Process for the production of structures from polyurethanes. : de en
  • CA415212A - Coal washing apparatus : en fr
  • CH228681A - Surface structure resistant and impermeable to yperite and similar chemical warfare agents even in the presence of organic solvents, as well as processes for its production. : de en
  • DE739196C - Brake band coupling, especially for motor vehicles : de en
  • FR52175E - Electrical signaling installation for vehicle trains : en fr
  • US2329452A - Textile fabric : en
  • US2329297A - Carton : en
  • US2329633A - Combination shade and curtain hanger : en
  • GB556056A - Improvements in or relating to chimney pots and ventilator terminals : en
  • US2329483A - Bearing : en
  • US2329462A - Drape curtain : en
  • GB555912A - Improvements in vessels adapted to withstand internal fluid pressure and in the manufacture of such vessels : en
  • DE739243C - Electric flat cables, in particular for laying under plaster : de en
  • CA415201A - Platform construction : en fr
  • CH228850A - Process for the production of a new anthraquinone dye. : de en
  • DE739298C - Process for making charcoal-like coke briquettes : de en
  • DE739752C - Process for the production of cellulose fatty acid esters : de en
  • FR885479A - Objective insert, especially for electron microscopes at high magnification : en fr
  • US2329523A - Incendiary bomb : en
  • US2329620A - Garment storage bag : en
  • DE739284C - Lighter, especially pocket lighter, with a fuel container of elongated box shape for highly compressed fuel : de en
  • FR885482A - Stereoscopic projection observation glasses : en fr
  • CH228744A - Monitoring device built into the line. : de en
  • US2329561A - Removable covering for building walls : en
  • US2329608A - Tea making apparatus : en
  • US2329217A - Tape transmitter : en
  • NL93477B - : en
  • US2329495A - Pump primer : en
  • US2329658A - Method of converting petroleum and like oils : en
  • GB556067A - Improvements in or relating to radio antennae : en
  • GB555910A - Improvements relating to electric torches : en
  • US2329373A - Pump : en
  • US2329355A - Mechanical pencil : en
  • GB555904A - Improvements in or relating to an electrical insulating material and method of making the same : en
  • US2329295A - Mud screen : en
  • US2329284A - Gear finishing tool : en
  • FR885489A - Connection of heating rods for electric resistance ovens : en fr
  • FR885511A - Monitoring device for electronic tubes or lamps : en fr
  • GB555903A - Treatment of finely divided solid materials : en
  • DE739226C - Corona-safe silver fuse for high-voltage fuses : de en
  • DE739257C - Electric gas purifier : de en
  • DE739195C - Gas-tight and watertight implementation of pipelines, e.g. Gas, water and cable lines through masonry, especially for gas protection cellars : de en
  • GB555955A - Machine for the accommodation and power operation of hand stamping, numbering, punching, recording, franking, cancelling, and such like devices : en
  • US2329512A - Drinking glass holder : en
  • US2329601A - Power transmission means : en
  • DE739255C - Auxiliary device for the group-wise subdivision of the contents of letter folders, which are arranged between register sheets : de en
  • DE739207C - Device for guiding vehicles equipped with wireless receivers by means of reflective electromagnetic waves : de en
  • US2329238A - Window frame and sash construction : en
  • US2329379A - Handle assembly : en
  • FR885495A - Process for the preparation of glues from polymerized or polycondensed elastic film-forming substances : en fr
  • CH228792A - Process for the production of tubes with a wound tube body and a head piece attached to it. : de en
  • US2329349A - Metal box : en
  • US2329645A - Book : en
  • DE739212C - Fuse arrangement for high voltage systems : de en
  • FR52200E - Mounting device for telegraph transmissions by alternating current with phase inversion : en fr
  • US2329419A - Equipped vehicle : en
  • US2329525A - Motorcycle towing device : en
  • US2329615A - Process for sweetening hydrocarbon oil : en
  • FR885374A - Assembly for amplification, frequency transformation or production of oscillations with a very high frequency : en fr
  • US2329576A - Slush pump valve : en
  • US2329577A - Wringer release mechanism : en
  • DE738904C - Method and device for producing seamless tubes, in particular artificial sausage casings : de en
  • DE739203C - Method and arrangement for preventing graphite deposits in the gas collecting space of gas and coke production ovens above the charging : de en
  • CA415124A - Electric plug : en fr
  • CH228715A - Sawing device for the preparation of firewood. : de en
  • DE739188C - Method for determining cracks or similar defects on the surface of ceramic insulators designed as hollow bodies for high-voltage devices, which impair the mechanical strength : de en
  • DE739238C - Heizgasfuehrung for under burner coke ovens : de en
  • US2329303A - Reversible tractor track : en
  • CH228802A - Bicycle hub with built-in alternator. : de en
  • FR885440A - A method and apparatus for separating the constituents of a material into pieces by a float and precipitation treatment : en fr
  • US2329493A - Marking machine : en
  • CA415195A - Roofing felt : en fr
  • CA415225A - Tire interliner : en fr
  • FR52155E - Solid fuel agglomeration process : en fr
  • GB556039A - Conversion of hydrocarbons : en
  • CH228640A - Facility for opening or Drying animal substances. : de en
  • AU117471B2 - Improvements in or relating to wireless receiving sets : en
  • FR885493A - Adjustment of the exchange power between AC networks, and of the frequency : en fr
  • CA415221A - Door lock : en fr
  • US2329619A - mu-substituted oxazolines, mu-substituted pentoxazolines, and methods for their preparation : en
  • FR885455A - Sliding door for display cases, cabinets, and the like : en fr
  • GB555969A - Improvements in means for safeguarding electric igniters of blasting detonators against accidental firing : en
  • US2329204A - Abrading apparatus : en
  • US2329681A - Needle-vibrating mechanism for sewing machines : en
  • USD136353S - Design for a handbag : en
  • US2329256A - Material forming apparatus : en
  • US2329309A - Coincidental locking system for automobiles : en
  • DK61306C - Lighting system with fluorescent tubes. : da en
  • US2329183A - Cross-feed for cigar bunch machines : en
  • DE739172C - Bottoms for distilling, rectifying and washing columns : de en
  • FR52152E - Firewood splitting machine and gasifier : en fr
  • GB556035A - Improvements in or relating to laminated transparent window structures, mounting means therefor, and windshield constructions : en
  • FR52158E - Advanced rheostat : en fr
  • DK61310C - Horseshoe-shaped hoop for use in the treatment of bone fractures. : da en
  • AU117464B2 - Halogen substituted acetonitriles as fumigants : en
  • DK61319C - Spin ball. : da en
  • US2329659A - Trencher : en
  • US2329480A - Engine : en
  • DE739171C - Process for the separation of mixtures of substances with nearby boiling points : de en
  • NL55153C - : en
  • US2329202A - Machine for forming clips and connecting wire members together thereby : en
  • DE739276C - Gripper winch with planetary gear and two drive motors : de en
  • GB555927A - Improvements in or relating to electrical control systems : en
  • FR885361A - Clearing scraper, for circular or roughly circular storage rooms in plan : en fr
  • FR885438A - Stove with filling tank for space heating : en fr
  • FR52156E - Molded material valves : en fr
  • USD136362S - Design for a jumper dress : en
  • DE739179C - Pulling and pushing device for wagons, especially rail conveyor wagons : de en
  • USRE22375E - Cleaning textile and similar : en
  • DE739146C - Whirl washing device that can be inserted in a container : de en
  • US2329320A - X-ray tube : en
  • FR52168E - Production process for saline coatings : en fr
  • FR885457A - Device for controlling the movements of machine tool tables or carriages : en fr
  • FR885539A - Device for excitation of a tubular line by ultra-short waves, in particular decimetric waves : en fr
  • GB556041A - Improvements in electrical remote control systems : en
  • FR52199E - Braking device for vehicle trains, in particular for motor vehicle trains : en fr
  • FR885405A - Inversion filter or differential filter and in particular quartz bridge filter : en fr
  • GB555942A - Improvements in or relating to thermionic feedback amplifiers : en
  • CH228717A - Wood heating process. : en fr
  • FR885396A - Contact rectifier intended to operate in counter-voltage : en fr
  • FR885475A - Clamping roller coupling : en fr
  • US2329247A - Railway brake beam : en
  • US2329333A - Dewatering screen : en
  • US2329464A - One piece resilient bodied fluorescent lamp socket : en
  • US2329673A - Back rest cushioning device for chairs : en
  • US2329390A - Fire extinguishing nozzle : en
  • US2329394A - Certain water-soluble high molal oxyalkylated esters and method of making same : en
  • US2329529A - Adjustable cable guide : en
  • US2329663A - Coating composition containing manila resin : en
  • FR885536A - Silencers for explosion engines : en fr
  • CH228628A - Device for accelerating the drying of laundry. : de en
  • DE739253C - Hoist with a control brake : de en
  • FR52185E - Device for perfecting the filling of the compression cylinders of liquid brakes, in particular for motor vehicles : en fr
  • FR885402A - Tapping machine : en fr
  • GB556058A - Improvements in or relating to fireplaces and the like : en
  • FR885385A - Equipment for determining the magnitudes of a magnetic field : en fr
  • GB555957A - Improvements in or relating to apparatus for mixing concrete and other similar materials : en
  • GB556036A - Esters of acrylic acids : en
  • FR885413A - Test device for friction materials, and particularly for brake linings : en fr
  • DE739288C - Self-lubricating soft stuffing box with soft metal insert : de en
  • FR52170E - Device for controlling current rectifiers with mechanical current interruption : en fr
  • DE739157C - Mass for making molds and cores : de en
  • FR885453A - Object lock or plate applicable to particle radiation chambers, in particular for ultramicroscopes : en fr
  • AU117469B2 - Improved lathe cutting tool and Holder therefor : en
  • DE739162C - Belt or chain drive with a continuously running drive motor : de en
  • US2329253A - Spectacle case : en
  • FR885363A - Rotary eraser for typewriters and office machines : en fr
  • US2329259A - Fence panel : en
  • GB555940A - Improvements in or relating to the production of alginate solutions : en
  • GB556051A - Improvements in and relating to amplifying systems : en
  • FR885548A - Floor for exchange between liquids and vapors or gases : en fr
  • GB555976A - Improvements in or relating to the retreading of tyres : en
  • GB555987A - Improvements relating to windows for motor vehicles and the like and their operation : en
  • DE739129C - Beam device for team group exercises : de en
  • US2329301A - Internal grinding machine and method : en
  • GB555922A - Improvements in and relating to electrical contacts of the socket type : en
  • DE739227C - Surge arrester with voltage-dependent resistor blocks : de en
  • US2329579A - Dottle cap : en
  • US2329641A - Method of producing sulphates : en
  • CA415145A - Container sealing apparatus : en fr
  • CH228806A - Switching device for several clutches, especially for change gears. : de en
  • FR885535A - Method for controlling pests in flour mills, mills and similar installations : en fr
  • GB556049A - Improvements relating to glass houses, frames or shelters for plants : en
  • US2329612A - Apparatus for training aircraft pilots : en
  • CH228772A - Heatable hair curler for creating hair waves. : de en
  • FR885421A - Process for the construction of double-glazed windows : en fr
  • US2329571A - Fabrication of crystalline polymers : en
  • FR52169E - Automatic installation switch : en fr
  • AU117457B2 - Magnetic coils and arrangements utilising thesame : en
  • FR885458A - Improvements to so-called <aluminium-cuivre> fittings for electrical lines : en fr
  • CH228619A - Spunt with liquid level indicator. : de en
  • US2329398A - Screw driver : en
  • DE739189C - Line adjustment device for cash registers, accounting machines or similar machines : de en
  • CA415131A - Traffic signal : en fr
  • DE739218C - Adjusting screw with hydraulically operated wing adjustment device : de en
  • DE739274C - With runners provided chassis for vacuum cleaner horizontal design : de en
  • GB556040A - Improvements relating to the production of steel alloys : en
  • US2329347A - Calf feeder : en
  • CA415179A - Cutting tool treating method : en fr
  • CH227821A - Method for investigating the deformation state of a test body by means of radiography. : de en
  • FR52172E - Use as soil conditioner and fertilizer of residues from acetylene manufacturing and various industries : en fr
  • CA415151A - Automobile running gear : en fr
  • GB555945A - Improvements in or relating to water tube steam generators : en
  • FR52194E - Shoe : en fr
  • FR52179E - Process for preparing succinic acid : en fr
  • GB556061A - Improvements in the manufacture of iron and steel sheets : en
  • DE739193C - Pre-cleaning device for threshing machines : de en
  • DE739240C - Device for drying gravure paper webs : de en
  • FR885425A - Improvements to cameras : en fr
  • FR885391A - Suction air line, mainly for internal combustion aircraft engines, having an air inlet opening exposed to dynamic pressure and preferably protected against the entry of foreign bodies by a screen : en fr
  • DE739219C - Disintegrator device for cleaning, cooling and mixing gases : de en
  • USD136355S - Station wagon type automobile : en
  • DE739246C - High frequency selective protection device : de en
  • AU564642A - Improvements in or relating to injection nozzles for internal combustion engines : en
  • DE738921C - Separation of precipitated arsenic trisulfide from its aqueous suspensions : de en
  • DE739150C - Process for the production of low molecular weight organic oxygen-containing products from the oxidation of non-aromatic hydrocarbons : de en
  • DK61317C - Provides for DC Remote Indicator Systems. : da en
  • FR885376A - Process for the preparation of photographic emulsions based on silver halide : en fr
  • DE739166C - Process for preparing organic substances for use as fillers for lightweight building materials : de en
  • FR885524A - Electric cable with artificial sheath : en fr
  • CH228782A - Transmission device with a relay line. : de en
  • CH228836A - Process for the preparation of a tetrakisazo dye. : de en
  • GB556011A - Steering of ships : en
  • US2329675A - Auxiliary wind electric system for prime movers : en
  • CA415244A - Radio direction finding system : en fr
  • CH228770A - Process for the manufacture of a wound treatment agent. : de en
  • US2329586A - Adjustable hat : en
  • US2329657A - Spectrophotometer : en
  • FR52173E - Electrical signaling installation for vehicle trains : en fr
  • FR885401A - Electrical resistance : en fr
  • DE739290C - Stopcock with spherical plug : de en
  • DE739209C - Low-loss high-frequency tuning coil with magnetic core : de en
  • US2329407A - Bottle lifter spindle mechanism : en
  • US2329290A - Welting for boots and shoes : en
  • US2329501A - Illumination of explosive chambers : en
  • CH228835A - Process for the preparation of a tetrakisazo dye. : de en
  • CA415228A - Hood control for motor cars : en fr
  • FR885362A - Device for scoring the edge of the uppers on the machines to mount using seeds : en fr
  • GB556047A - Improvements in means for feeding materials to conveyors : en
  • CH228752A - Electrical plug. : de en
  • FR885538A - Modifications to carburettors, mixers or any gas carburizing device : en fr
  • GB555980A - Improvements in or relating to ladders : en
  • US2329326A - Convertible bathing apparatus : en
  • CH228682A - Method for testing the inside diameter of a hollow cylindrical part of a bore. : de en
  • CH228813A - Process for the preparation of n-propyl isocyanate. : de en
  • CH228779A - Device for high-frequency alternating traffic. : de en
  • FR885382A - Improvements to thermoelectric motors : en fr
  • CH228683A - Gauge for testing threads. : de en
  • CH228721A - Socket wrench with clamping device. : de en
  • US2329225A - Coring device : en
  • USD136365S - Design for a jumper dress : en
  • US2329527A - Method of manufacturing rolls of tape : en
  • FR885448A - Cable gland : en fr
  • CH228612A - Medicine box. : de en
  • CH228686A - Process for heat quantity measurement protected from unauthorized interference and device for carrying out the process. : de en
  • US2329444A - Expansion shipping container : en
  • CH228630A - Elastic shoe sole, especially for Zoccoli. : de en
  • US2329182A - Latch : en
  • US2329335A - Fastening device : en
  • US2329354A - Transmission : en
  • AU117474B2 - Electro-optical signalling : en
  • CA415243A - Signal operated indicating device : en fr
  • CA415224A - Pipe line electro-magnetic surveying apparatus : en fr
  • CH228591A - Drying process and drying equipment for agricultural products. : de en
  • AU117466B2 - Magnetic switchhook : en
  • US2329477A - Drawbar and bumper arrangement for cars : en
  • DE723421C - Device for generating very short Hertzian waves : de en
  • CA415205A - Liquid olefin polymer catalytic hydrogenation : en fr
  • US2329534A - Paintbrush : en
  • DE739185C - Safety device for closed heating systems with circulating liquid heat carrier : de en
  • DE739277C - Device for the continuous production of hollow bodies by diving : de en
  • US2329476A - Door control : en
  • US2329467A - Vulcanizing-kettle supply system : en
  • US2329261A - Pendulous fence panel : en
  • US2329362A - Circuit breaker : en
  • US2329429A - Chemical carrier for water treatment : en
  • US2329453A - Education device : en
  • US2329589A - Ceramic cement : en
  • DE739259C - Process for the rearrangement of cyclic ketoximes into lactams : de en
  • DE739294C - Car body front section with attached windshield frame : de en
  • FR885431A - Boiler heated mainly by radiation, in particular for ships : en fr
  • CA415147A - Wax paper sheet and coating : en fr
  • DE739180C - Outdoor switchgear : de en
  • CA415187A - Titanium material treatment : en fr
  • US2329632A - Method of coating glass : en
  • CH228716A - Screw clamp. : de en
  • CH228723A - Spray device for powdery or liquid spray material, especially bitumen. : de en
  • CH228816A - Process for the preparation of i-hexyl isocyanate. : de en
  • US2329189A - Reinforced concrete construction : en
  • FR52197E - Process for treating textile materials and products obtained by this process : en fr
  • CH228801A - Replacement wheel for vehicles, in particular for heavy vehicles. : en fr
  • CA415146A - Wax paper sheet and coating : en fr
  • CH228745A - Absorption machine working with an inert auxiliary gas. : de en
  • US2329598A - Micrometer : en
  • DE738815C - Process for the production of sulfonic acids and their salts : de en
  • FR885450A - Improvements to hernia bandages and similar devices : en fr
  • CA415230A - Weighing scale : en fr
  • US2329679A - Recording means for testing machines : en
  • DE739271C - Lubricant for dry drawing : de en
  • US2329364A - Iron blue pigment : en
  • DE739248C - Surge arresters : de en
  • US2329432A - Cyclic-ketonic tetracarboxylic acid : en
  • FR52188E - Special arrangement of electrodes for electron multipliers : en fr
  • DE739135C - Back arrangement for clocks : de en
  • CH228604A - Device for igniting and kindling gas generators, in particular for motor vehicles. : de en
  • AU660442A - Improved fuel gasifying system : en
  • CH228699A - Timepiece for pivots of escapement or balance parts, intended to be driven into its support. : en fr
  • DK61302C - Process for the Preparation of Saturated 3-Oxy-17 Ketones from the Androstane Series. : da en
  • FR885447A - Improvements in the construction and repair of wagon roofs and other vehicles : en fr
  • GB556026A - Improvements in or relating to pivots for shears, scissors or the like : en
  • US2329624A - Television recording apparatus : en
  • FR885420A - Hydraulic riveting device for boiler bottoms stamped inside : en fr
  • CH228611A - Mobile seat for small children. : en fr
  • CH228758A - Switching device serving as a small machine and at the same time as an installation switch. : de en
  • CH228839A - Process for the preparation of a tetrakisazo dye. : de en
  • US2329242A - Plug handle : en
  • US2329294A - Apparatus for projecting stereo pictures : en
  • US2329316A - Water replenisher for cooking vessels : en
  • US2329416A - Rearview mirror for cyclists : en
  • US2329345A - Saw table : en
  • US2329445A - Thyroprotein and method of making the same : en
  • GB556066A - Telephone and like signalling systems : en
  • US2329562A - Insulator remover : en
  • US2329370A - Rate-exhibiting device for integrating meters : en
  • US2329457A - Football helmet : en
  • US2329508A - Ground clamp : en
  • DE739168C - Transport tongs for feed devices on presses, punches or the like. : de en
  • FR885444A - Passenger seat for motorcycles : en fr
  • DE739300C - Process for refining raw montan wax : de en
  • US2329358A - Insulating means : en
  • US2329479A - Electrical connector : en
  • DE739228C - Device for suppressing the measurement errors of direct current watt hour counters caused by fluctuations in room temperature : de en
  • US2329344A - Bowling game : en
  • FR52189E - Measuring device for gases or vapors and liquids to be mixed : en fr
  • DE739231C - Packing sack for parachutes : de en
  • FR885403A - element for the composition of construction sets : en fr
  • GB555990A - An improved process and apparatus for winding wire strands particularly for use in lapping or braiding machines : en
  • GB556025A - Improvements in compositions to be used as substitutes for cork and like materials : en
  • FR52153E - Agglomerating machine : en fr
  • FR885366A - Drying method and apparatus : en fr
  • GB556038A - Dehydrohalogenation of halohydrins to form epoxides : en
  • FR885364A - Attachment of rubber soles, especially artificial rubber soles or mixtures, to the bottom of a shoe : en fr
  • FR885384A - Displacement device for flowing media working with a reciprocating liquid piston : en fr
  • FR52193E - Improvements in the fuel systems of internal combustion engines : en fr
  • US2329478A - Hair net : en
  • GB555995A - Improvements in or relating to machines for perforating record cards : en
  • US2329617A - Knitting machine : en
  • US2329634A - Radio apparatus : en
  • US2329209A - Flying boot : en
  • US2329546A - Combined valance and drapery and curtain supporting means : en
  • US2329638A - Naphthalene vaporization and oxidation : en
  • US2329193A - Lift mechanism for implements : en
  • US2329278A - Printing telegraph apparatus : en
  • FR885404A - Improvements to refractory glass, fire resistant : en fr
  • DE739262C - Device for the automatic evaluation of signals consisting of alternating current signals of a certain length : de en
  • US2329566A - Method of refining polymerized rosin and polymerized rosin esters : en
  • GB555937A - Recovery of casein from hardened casein : en
  • GB555996A - Improvements in or relating to variable stroke hydraulic motors : en
  • CH228815A - Process for the preparation of i-amyl isocyanate. : de en
  • CH228767A - Process for the production of cords with shaped bodies separated from one another by spaces and a pressing tool for carrying out the process. : de en
  • GB556015A - Improvements to apparatus for truing grinding wheels : en
  • US2329201A - Combined suspension and visible filing system : en
  • US2329427A - Stop motion device : en
  • US2329521A - Conveyer for bombs or the like : en
  • CA415218A - Reinforced sheet metal cabinet : en fr
  • CH228734A - Wind generator. : de en
  • CH228621A - Yarn braking device, in particular for winding and other textile machines. : de en
  • FR885469A - Impeller for fan : en fr
  • CH228811A - Method and device for the production of yarns from endless, artificially produced threads made of glass or glass-like material. : de en
  • FR885506A - Manifold for exhaust and intake gases in internal combustion engines : en fr
  • GB556063A - Improvements in or relating to electric circuit breakers adapted for automatic reclosure : en
  • US2329422A - Camp kit : en
  • US2329415A - Scaffold : en
  • US2329500A - Game : en
  • US2329491A - Test device : en
  • US2329519A - Reduction of cross talk : en
  • FR52181E - Low strain hardening Thomas steel under cold deformations and its manufacturing process : en fr
  • DK61320C - Outlet or mixing tap, especially for washbasins. : da en
  • DE739140C - Motor vehicle with a streamlined body : de en
  • GB555953A - Improved process for treating animal blood : en
  • FR885356A - Curved bimetallic blade thermal trigger and heating tube in the curvature : en fr
  • GB556020A - Improvements in and relating to projectors for firing grenades and the like : en
  • US2329511A - Method of making resistors : en
  • US2329179A - Protection of surfaces : en
  • DE739287C - Spring tube expansion compensator : de en
  • DE739167C - Process for the production of an alcohol-free beverage : de en
  • DE739258C - Process for the preparation of oxyarylaminoanthracene derivatives : de en
  • DE739229C - Process for obtaining a corrosion inhibiting antifreeze : de en
  • IE16447L - Grading powdered material : en
  • DE738824C - Circuit arrangement for setting or controlling the frequency of a bridge-stabilized vibration generator : de en
  • AU708542A - Pilot light circuit for radio receivers andthe like : en
  • US2329622A - Treatment of woolen textile materials : en
  • CH228750A - Single-phase motor with squirrel-cage rotor. : de en
  • US2329302A - Cop winding machine : en
  • AU117465B2 - Improvements in or relating tothe preparation of heavy suspension media andthe separation of solid materials of different specific gravities : en
  • CH228625A - Bobbin winding device on a sewing machine. : de en
  • CH228794A - Trailer braking device. : de en
  • CA415140A - Wheat tempering machine : en fr
  • CA415156A - Vehicle headlight : en fr
  • CA415143A - Coating for magnesium : en fr
  • CH228700A - Timepiece for finishing, intended to be driven into its support. : en fr
  • AU117462B2 - Transmission system regulation : en
  • AU660242A - Continuously variable inductance device : en
  • US2329239A - Method of and mold for forming cellulose sponges : en
  • US2329413A - Box-handling apparatus : en
  • CH228668A - Apparatus for regenerating used ink ribbons from typewriters, calculators or the like. : en fr
  • US2329461A - Mud trap drilling bit : en
  • US2329522A - Fire bomb : en
  • CA415239A - Seamless hosiery : en fr
  • CA415219A - Gas range top burner : en fr
  • CA415163A - Protein composition : en fr
  • CH228749A - Heat exchange apparatus. : de en
  • CH228771A - Process for producing medium ions and apparatus for carrying out this process. : de en
  • CA415139A - Battery terminal post cable connector : en fr
  • CA415184A - Tab tape : en fr
  • AU117461B2 - Improvements in or relating to electric signalling systems : en
  • CA415123A - Shock absorber : en fr
  • US2329341A - Apparatus for vaporizing and superheating hydrocarbon oils : en
  • GB555933A - Improvements in or relating to wire and the like drawing mechanism : en
  • CA415160A - Starting switch : en fr
  • FR885485A - Improvements to writing nibs : en fr
  • NL97400B - : en
  • US2329510A - Friction-absorbing device : en
  • USRE22376E - Machine for making suckers : en
  • CA415208A - Geological exploration apparatus : en fr
  • CA415235A - Wire drawing block : en fr
  • FR885381A - Goblet : en fr
  • CA415121A - Radiant energy applicator : en fr
  • CA415170A - Turbine blade vibration damper : en fr
  • FR885416A - Disc wheel shock and noise damping, especially for railway vehicles : en fr
  • CH228774A - Oxygen breathing apparatus with a lung-controlled valve. : de en
  • FR885470A - Shoe attachment device with laces on the foot : en fr
  • GB555965A - A process of fur cleaning : en
  • SE108459C1 - : en
  • AU602942A - Improved vice or like work-holding means : en
  • AU595542A - Magnetic coils and arrangements utilising thesame : en
  • CH228627A - Laundry detergent. : de en
  • CA415155A - Unitary clamp assembly : en fr
  • CH228639A - Process for the intermediate preservation of fresh apple pomace using phosphoric acid solutions prior to permanent preservation by drying. : de en
  • CH228783A - Search system with pointer mechanisms at the various search points. : de en
  • CH228649A - Process for the production of a vat dye. : de en
  • FR52196E - Improvements to coaxial conductors : en fr
  • GB555913A - Improvements in retorts for the destructive distillation of coal and the like materials : en
  • DE739270C - Process for improving the smell of shale oils : de en
  • DE739267C - Time recorder : de en
  • FR885351A - Main cylinder, especially for hydraulic vehicle brakes : en fr
  • CH228793A - Tube with a wound tube body and a head piece connected to it. : de en
  • AU117467B2 - Improvements in or relating to sensitive quick action electric switches : en
  • CH228597A - Heat insulating body. : de en
  • DE739251C - Carbon or graphite electrode for electrical discharge vessels with a coating of a high-melting metal which chemically binds to gas at higher temperatures on at least the surface facing the electron source : de en
  • GB555908A - Dust collector and separator : en
  • DE739190C - Printing business machine with a number of individually adjustable type carriers : de en
  • FR52184E - Process for obtaining a rigid bond of metals or alloys of light metals, with metals or alloys of heavy metals : en fr
  • CH228712A - Process for the manufacture of objects from iron and steel with a corrosion-resistant surface. : de en
  • DE739137C - Process for the production of matting agents for fibers : de en
  • DE739245C - Flameproof capsule housing for electrical devices containing one or more circuit breakers inside : de en
  • US2329499A - Spinning box : en
  • US2329374A - Individual warp tension device : en
  • FR885439A - Process for the preparation of amines of the cyclopentanopolyhydrophenanthrene series : en fr
  • GB556031A - Improvements in electronic discharge devices such as x-ray tubes : en
  • CH228613A - Furniture with drawers on castors. : de en
  • CH228751A - Device for limiting the harmonic currents in lines, in particular cables of power transmission systems. : de en
  • FR885502A - wideband amplifier stage for high output voltages : en fr
  • CH228731A - Transmission. : de en
  • USD136338S - Design for a dress : en
  • US2329381A - Fishing reel : en
  • DE739235C - Steering device for motor vehicles : de en
  • GB555939A - Improvements in or relating to apparatus for charging cartridge belts : en
  • US2329263A - Roll coating machine : en
  • USRE22377E - potts r : en
  • CH228693A - Record changing device for speaking machines. : de en
  • CH228688A - Needle vibration galvanometer. : de en
  • US2329187A - Method and means for localizing foreign bodies : en
  • US2329585A - Double shell dry speed wall : en
  • US2329606A - Propeller fairing : en
  • USD136349S - Design for an electric motor : en
  • DE739169C - Process to avoid weld cracks in steel : de en
  • DK61305C - Microphone. : da en
  • US2329176A - Conduit closure : en
  • US2329408A - Trailer truck frame : en
  • US2329420A - Battle tank structure : en
  • US2329582A - Tread : en
  • FR885492A - Device for rapid de-energization of synchronous machines : en fr
  • FR885423A - Cycle or other light vehicle : en fr
  • FR885490A - Position regulator, in particular for solenoid coils of electronic optical devices : en fr
  • GB556024A - Blood clotting compositions : en
  • DE739232C - Device to facilitate the handling of workpieces, in particular aircraft engines during installation and testing work : de en
  • FR885392A - Mounting of the throttle lever for internal combustion engines operated with different fuels, in particular for motor cars which are operated alternately with liquid or gaseous fuel : en fr
  • GB556055A - Improvements in or relating to radio antennae : en
  • DE739222C - Contact bank for a number of rotary dials : de en
  • FR885549A - Inserting machine : en fr
  • FR885400A - : fr
  • US2329310A - Fertilizer distributor : en
  • CH228657A - Process for the production of evenly highly elastic synthetic masses. : de en
  • CH228785A - Method and apparatus for unwinding a strip from a supply roll. : de en
  • FR885499A - Manufacturing process for yarns, fibers, tapes, films, etc., based on regenerated cellulose : en fr
  • GB556021A - Improvements in coin-freed mechanism : en
  • CH228769A - Body cleanser in the form of a bar. : de en
  • DE739133C - Length adjustment device for a ski pole : de en
  • US2329215A - Electric circuit control mechanism : en
  • DE739156C - Replacement device for apparatus parts located inside vacuum apparatus : de en
  • FR885460A - Electromagnetic relay : en fr
  • US2329646A - Check protecting machine or the like : en
  • GB555977A - Improvements in and relating to the packing of cooked meats : en
  • CH228602A - Method and plant for removing water from fresh peat. : en fr
  • CH228690A - Arrangement for measuring small alternating voltages. : de en
  • CH228853A - Measuring caliber for measuring bores in metal parts. : de en
  • CA415193A - Cellulose acetate moulding composition : en fr
  • CH228784A - Handbag, especially for women. : de en
  • DE739182C - Process for the production of an indirectly heated cathode for electrical discharge tubes : de en
  • FR885456A - Slide closures improvements : en fr
  • CA415233A - Typewriter paper feed : en fr
  • CH228759A - Protective device for electrical systems. : de en
  • CH228603A - Process for the destruction of waste waters containing phenols, amines and sulfur compounds. : de en
  • CH228645A - Process for the preparation of 4-amino-benzene-sulfonamidobenzene-4'-sulfonacetylamide. : de en
  • US2329218A - Decimal point indicating mechanism : en
  • US2329626A - Electric discharge lamp : en
  • US2329376A - Wire-making process : en
  • CA415154A - Hinged connector : en fr
  • CH228702A - Centering piston plunger for stem spindle to drive out watch stones in their support. : en fr
  • CH228742A - Float ventilators for the fuel supply line in connection with injection pumps of internal combustion engines. : de en
  • USD136356S - Design for a bumper : en
  • US2329440A - Fastener : en
  • US2329504A - Electric timing device : en
  • CH228809A - Device for brake force control on cable car vehicles. : de en
  • CH228635A - Canning jar. : de en
  • DE739136C - Hand or wreath pliers : de en
  • US2329651A - Stabilization of knit fabrics : en
  • US2329661A - Dispatching board for conduit systems : en
  • CA415175A - Crystalline levulose : en fr
  • CH228760A - Pulse generator in which the pulses are generated by means of a trigger circuit. : de en
  • US2329448A - Excavator : en
  • US2329559A - Rake driving mechanism for sedimentation tanks : en
  • FR885463A - Improvements in the packaging, conservation and use of butter and its substitutes : en fr
  • FR885505A - Device for releasing a dinghy from its suspension on the ship : en fr
  • GB555951A - Improvements in and relating to fusible elements for cartridge fuses : en
  • FR52162E - Improvements to the spiral slides known as descenders : en fr
  • FR885497A - Process for the preparation of polyamides : en fr
  • US2329357A - Cutting machine : en
  • AU117455B2 - Improvements in and relating to circular saws : en
  • CA415216A - Arc welding device : en fr
  • CH228655A - Process for fixing acidic tanning agents in leather. : de en
  • DE739165C - Refractory masses for the production of stones or ramming masses : de en
  • CH228753A - Method of providing an object with an inorganic fiber insulation, the fiber interstices of which are filled with inorganic fillers. : de en
  • CA415213A - Multiplex telephony system : en fr
  • CH228641A - Machine for stringing tobacco leaves. : de en
  • USD136348S - Design for a lapel button ob the like : en
  • GB555948A - Improvements relating to the moulding of dough : en
  • CH228847A - Process for the preparation of a tetrakisazo dye. : de en
  • CA415134A - Railway car side door : en fr
  • CH228825A - Process for the preparation of a dye of the stilbene series. : de en
  • CH228672A - Roll film camera with coupling of the film transport handle with the shutter lift mechanism. : de en
  • US2329175A - Plastic match holder : en
  • US2329627A - Drain pipe with seating device into masonry : en
  • US2329401A - Unloader for compressors : en
  • FR52178E - Cable car : en fr
  • US2329234A - Automatic switching system : en
  • US2329580A - Telegraph printer : en
  • US2329229A - Regulating circuit : en
  • US2329436A - Lubricating oil composition : en
  • CH228743A - Thermal power plant in which at least the greater part of a gaseous working medium describes a cycle. : de en
  • DE739139C - Arrangement for controlling the electron flow in secondary electron amplifiers : de en
  • CH228636A - Smokehouse system for preservation companies, in particular sausage shops. : de en
  • CA415199A - Measuring tape : en fr
  • US2329296A - Piston ring : en
  • US2329235A - Miter gauge : en
  • FR885516A - Internal combustion engine piston : en fr
  • GB555947A - Improvements relating to travelling conveyor ovens : en
  • GB556044A - A process for the manufacture of ketotetrahydropyridine derivatives and hydroxypyridine derivatives : en
  • FR885547A - Process for preparing oxy-urethanes : en fr
  • FR52187E - Ultra-shortwave magnetron enhancements with anode split into four or more segments : en fr
  • DE739202C - Destroying flotation foam : de en
  • DE739142C - Method for deleting braces from stacking bins : de en
  • AU710742A - Halogen substituted acetonitriles as fumigants : en
  • CH228807A - Pedal for bicycles with reflectors. : de en
  • FR885395A - Process for preparing dicarboxylic acids : en fr
  • DE739170C - Process for the sterilization of liquids, in particular milk : de en
  • FR885520A - Method and device for drying and possibly crushing cut herbs : en fr
  • US2329346A - Method for molding rubber articles : en
  • FR885454A - Helical load-distributing gear drive, particularly applicable to machine tools, such as cold saws : en fr
  • FR52174E - Wood bolt rod : en fr
  • FR885377A - Air conditioning apparatus, in particular for airplanes and cars : en fr
  • GB555907A - Rubber hydrochloride film : en
  • FR885424A - Improvements to electrical assemblies used for delayed automatic amplification adjustment : en fr
  • GB555958A - Automatic regulator using transductors or d.c. saturated inductances : en
  • FR885468A - Cleaning utensil : en fr
  • DE739206C - Amplifier arrangement, especially power amplifier for short waves : de en
  • US2329277A - Doctor blade for rolls and cylinders : en
  • DE739141C - Extraction chamber for underground operations : de en
  • FR885414A - Press with adjustable working stroke : en fr
  • FR885513A - Combustion chamber for four-stroke internal combustion engines with distribution by cylindrical rotary spool : en fr
  • FR885365A - Process for the agglomeration of peat, lignin, humic matter or similar products, installations for carrying out this process and products obtained : en fr
  • FR885501A - : fr
  • FR885507A - Improvements in processes for obtaining, by printing and finishing, shaped textile articles : en fr
  • US2329655A - Drafting mechanism for spinning and roving frames : en
  • US2329251A - Treatment of gasoline : en
  • US2329380A - Trailer draft connection : en
  • FR885445A - Coupling engaged and disengaged by pressurized liquid : en fr
  • US2329361A - Comb : en
  • FR885446A - Method of radial fixing of a cylindrical body, in particular of engine cylinder liners : en fr
  • US2329397A - Unsaturated hydrocarbons : en
  • US2329285A - Coupler mounting : en
  • US2329531A - Telegraph transmitter : en
  • FR885387A - Armored compression refrigeration machine assembled with a refrigerating cabinet : en fr
  • FR885409A - Wire conveyor belt : en fr
  • FR885464A - Cam controller : en fr
  • FR885491A - Protection for liquid tanks, in particular machines and electrical devices in an insulating oil bath : en fr
  • US2329475A - Children's furniture : en
  • US2329581A - Apparatus for drying material by utilizing vapor heat : en
  • FR52192E - Device for the electro-inductive heating of work pieces : en fr
  • US2329227A - Savings checker : en
  • US2329674A - Degreasing apparatus : en
  • US2329211A - Continuous heating furnace and method of operating the same : en
  • US2329270A - Method of forming shaped surfaces on metal members and article produced thereby : en
  • US2329470A - Cheese coating : en
  • NL55174C - : en
  • FR885394A - Process for the separation of aliphatic compounds containing oxygen, with neutral reaction, from mixtures which contain them : en fr
  • US2329669A - Label attaching machine : en
  • FR52167E - Presses for river or other applications : en fr
  • US2329246A - Feed drive means for machining concave and convex surfaces : en
  • FR885451A - Folder folder system with interchangeable memento tab, excluding any intervention of staples, pliers or other similar objects : en fr
  • GB555954A - Improvements in and relating to electric supply systems for loads capable of regenerative operation : en
  • FR52151E - Gas filter for engines powered by gasifier : en fr
  • FR52161E - Vehicle refinements : en fr
  • USD136336S - Design for a dress : en
  • US2329568A - Bathroom accessory : en
  • DE739092C - Oxygen generation plant : de en
  • GB555992A - An improved apparatus for balancing rotating bodies such as aeroplane propellers : en
  • GB556053A - An improved tea or coffee pot with detachable strainer for the infusion of tea or coffee : en
  • US2329293A - Arm support for manicurists tables : en
  • US2329446A - Festoon ring : en
  • GB556048A - Improved method of constructing basic linings for electric and other high temperature furnaces : en
  • FR52176E - Assembly process of rubber products : en fr
  • DE739211C - AC protection relay for three-phase currents : de en
  • CH228764A - Adjustable capacitor. : de en
  • GB556027A - Improvements in or relating to double break contact switches : en
  • GB555906A - Treating magnesium dross : en
  • CH228642A - Method and device for the short-term treatment of sensitive goods with a gaseous agent. : de en
  • US2329590A - Fabric glove and method of producing the same : en
  • CH228698A - Winding mechanism for watches. : en fr
  • FR52163E - Installation of repeating railway signals on trains : en fr
  • US2329428A - Form grinding machine : en
  • US2329468A - Air register for fuel burners : en
  • US2329588A - Installation bracket for venetian blinds : en
  • US2329404A - Mast antenna actuator : en
  • US2329221A - Deodorizer : en
  • US2329226A - Poultry freezing : en
  • US2329494A - Vehicle wall, especially door structure : en
  • US2329311A - Method of producing liquid-containing packages : en
  • CH228763A - Choke coil with high frequency iron. : de en
  • US2329548A - Method of manufacturing matched spirals : en
  • US2329636A - Control system : en
  • CH228677A - Gas pressure charger. : de en
  • DE739204C - Process for improving the briquetting properties of lignite : de en
  • DK61316C - Procedure for preparing seeds, the fruit of which contains several seeds, for sowing. : da en
  • GB556045A - Improvements in or relating to felted material : en
  • US2329260A - Vertically adjustable fence panel : en
  • US2329382A - Crankshaft locator : en
  • US2329421A - Apparatus : en
  • US2329631A - Calendar pencil : en
  • USD136360S - Design for an airplane : en
  • FR885537A - Improvements made to the means of sealing containers such as, in particular, the bottles of toiletry bags : en fr
  • FR885427A - Hydraulic and mechanical compound gear change : en fr
  • USD136342S - Eye spectacles for chickens or the like : en
  • US2329550A - Wall form tie : en
  • GB556046A - Improvements relating to electron guns such as are used in cathode ray tubes : en
  • DE738932C - Method and circuit for dynamic control in electroacoustic sound transmissions : de en
  • US2329524A - Aerial carrier for bombs or the like : en
  • USD136352S - Design for an airplane : en
  • USD136346S - Design for a badge or the like : en
  • FR885407A - Control and distribution mode for drives of presses and similar machines : en fr
  • GB555921A - An improved calculating device : en
  • CH228842A - Process for the preparation of a tetrakisazo dye. : de en
  • US2329486A - Terpene derivatives : en
  • CA415148A - Insect repellent containing nitriles : en fr
  • US2329424A - Folding ax : en
  • US2329535A - Hose clamp tool : en
  • CH228654A - Explosive. : de en
  • DE739134C - Optical display device for use in connection with a game of roulette : de en
  • US2329644A - Catalytic composition : en
  • USD136359S - Design for a safety cap : en
  • US2329279A - Baby feeding dish : en
  • CA415129A - Light polarizing image forming process : en fr
  • CA415200A - Push button switch : en fr
  • CH228707A - Injection molding facility. : de en
  • CH228632A - Method and device for drying milk and other liquid substances with atomization thereof. : de en
  • CA415130A - Punch and die set holder : en fr
  • CH228622A - Method for winding with automatic bobbin ejection and with automatic rewinding of the thread on a hose cop winder and hose cop winder for carrying out this process. : de en
  • DE739192C - Beet harvester with gripping discs that grasp the beetroot on the foliage : de en
  • CA415223A - Seismic exploration apparatus : en fr
  • DE739256C - Guide map without a base map : de en
  • US2329236A - Resin and composition containing the same : en
  • CA415182A - Flow meter : en fr
  • CH228663A - Carbon paper with a compensation layer on the back. : de en
  • CH228803A - Suitcases on bicycles. : de en
  • US2329652A - Printing telegraph apparatus : en
  • CH228596A - Reinforcement unit for concrete bodies, with flexible reinforcement elements and with a clamping device for the latter. : de en
  • US2329337A - Antisiphon ball cock and silencer : en
  • CA415153A - Wheel assembly and cover : en fr
  • CA415158A - Frequency monitoring system : en fr
  • CH228600A - Suction dredger. : de en
  • DE739148C - Washing machine with automatic control of the individual processes by an electric timer motor : de en
  • US2329640A - Mixer-beater shaft lock : en
  • DE739145C - Device for the continuous pressing of hot-formable materials : de en
  • FR885526A - Rapid process for the preparation of extracts from the green parts of vegetables and the like : en fr
  • IE16446L - Grading powdered material : en
  • US2329233A - Filler feeding channel construction : en
  • GB555961A - Improvements in transmission gearing for marine propellers : en
  • GB555972A - Variable speed hydraulic transmission systems : en
  • CH228714A - Handsaw. : de en
  • CH228823A - Process for the preparation of a stilbene dye. : de en
  • US2329558A - Automatic volume control : en
  • US2329449A - Guide raising device : en
  • US2329678A - Expanded metal catwalk : en
  • US2329181A - Wrench : en
  • CA415161A - Coating composition : en fr
  • CH228608A - Cutting device for beets. : de en
  • CA415164A - Coating asphalt : en fr
  • CH228840A - Process for the preparation of a tetrakisazo dye. : de en
  • CA415229A - Oil underground storing plant : en fr
  • DE739729C - Photographic roller copier : de en
  • US2329265A - Concentration of aliphatic acids : en
  • US2329572A - Chair : en
  • AU117468B2 - Improvements in and relating to diaphragm operated control valves : en
  • CA415128A - Box toggle catch : en fr
  • CH228606A - Electric heating device. : de en
  • CH228741A - Injection pumps, in particular for internal combustion engines. : de en
  • CA415203A - Pipe connection and sealing member : en fr
  • CH228669A - Device for displaying a speed limit. : de en
  • CH228598A - Electric fence for pasture areas. : de en
  • CH228684A - Micrometer with dial indicator. : de en
  • CA415177A - Electrical insulator : en fr
  • US2329528A - Current responsive instrument : en
  • US2329459A - Gas analysis method and apparatus : en
  • US2329196A - Pipe tong : en
  • US2329269A - Key cutting and duplicating machine : en
  • US2329417A - Domestic appliance : en
  • CH228656A - Process for the production of polyvinyl formate. : de en
  • FR885442A - Method of connection for alternating current telegraphy, method of connection according to which the pulses of separation current and signals are transmitted in the form of alternating currents of the same frequency, but of different phases : en fr
  • US2329232A - Automobile door latch mechanism : en
  • US2329555A - Apparatus for treating peeled citrus fruits : en
  • CA415226A - Hood control for motor cars : en fr
  • US2329643A - Attachment for ladders : en
  • FR885412A - Device applicable to combustion outboard engines for motor boats or other watercraft : en fr
  • US2329639A - Rirbon trimming method : en
  • USD136361S - Design for a case for glasses : en
  • US2329198A - End fitting for flexible hose : en
  • US2329322A - Making of microporous products : en
  • US2329516A - Treatment of hydrogenated rosin and product obtained : en
  • US2329267A - Dispensing powder puff : en
  • CA415117A - Electric switch : en fr
  • CH228609A - Sofa convertible into a double bed. : en fr
  • CH228780A - Device for high-frequency alternating traffic. : de en
  • CH228590A - Tool for placing drainage pipes in the drainage trench. : de en
  • CH228831A - Process for the preparation of an azo dye of the stilbene series. : de en
  • GB555997A - Improvements in or relating to electric generators : en
  • US2329243A - Lighting fixture : en
  • US2329268A - Light fixture : en
  • US2329351A - Loose-leaf binder : en
  • US2329666A - Dispensing device : en
  • US2329514A - Preparation of pentaerythritol : en
  • US2329329A - Automotive vehicle antenna : en
  • FR885383A - Track contact for railway signaling : en fr
  • NL55157C - : en
  • GB555909A - Improvements in or relating to instrument panels for motor cars and other vehicles : en
  • DE739160C - Device for adjusting the hydraulically lockable tool holder with several juxtaposed cutting bars for machine tools for processing slabs, blocks or the like. : de en
  • GB555970A - Improvements in and relating to the manufacture of hollow bodies from cellulose ester or like compositions : en
  • GB556003A - Coloured photographic layers : en
  • CA415211A - Transparent sheet decorating and moulding process : en fr
  • US2329306A - Coin controlled mailing machine : en
  • US2329574A - Stern frame structure : en
  • USD136335S - Design for a bassinet : en
  • FR885369A - Thermal fusion bath : en fr
  • CA415165A - Paper coating composition : en fr
  • CH228799A - Anti-skid device on motor vehicles. : de en
  • DE739144C - Device for the continuous pressing of thermally deformable materials, in particular for sheathing cables with lead : de en
  • DE739201C - Anti-slip safety device for skis with retarding bodies that can be pushed out of the running surface : de en
  • US2329252A - Thermal relay reset actuator : en
  • CH228727A - Tobacco box with cover plate. : de en
  • US2329369A - Ball and socket joint : en
  • AU117473B2 - Improvements in or relating to injection nozzles for internal combustion engines : en
  • CA415142A - Pressure regulator : en fr
  • CA415174A - Wallboard : en fr
  • US2329281A - Hose coupling : en
  • NL55138C - : en
  • US2329667A - Black-out window shade : en
  • US2329618A - Knitting machine : en
  • USD136364S - Design for a jumper dress : en
  • DE739230C - Method for creating an additional color effect in three-color photographs : de en
  • US2329288A - Molding of materials : en
  • US2329533A - Weather strip means for double hung sash : en
  • GB555950A - Improvements in rotary brushes : en
  • CA415166A - Titanium oxide production : en fr
  • CA415242A - Water-tight joint : en fr
  • CA415194A - Cellulose acetate moulding composition : en fr
  • US2329321A - Piezoelectric device : en
  • US2329560A - Acoustic device : en
  • USD136337S - Design for a shoe or similar article : en
  • CH228738A - Fuel injection pump on internal combustion engines. : de en
  • CH228592A - Green forage silo. : de en
  • DE739155C - Arrangement to take into account the tow antenna error when determining the true location of an aircraft using a full circle transporter : de en
  • FR885355A - : fr
  • DE739296C - Pressure filler holder : de en
  • FR885508A - Combustion engine, air-cooled : en fr
  • CA415220A - Leak proof fuel tank : en fr
  • CH228659A - Process for applying metal layers to objects with a non-metallic surface. : de en
  • US2329455A - Electric lamp with connecting device : en
  • CH228834A - Process for the preparation of a tetrakisazo dye. : de en
  • FR885462A - : fr
  • CH228687A - Temperature sensors for thermostats. : de en
  • CH228706A - Method and device for loading press casting machines. : de en
  • DE739237C - Horizontal coke oven : de en
  • CA415207A - Fibre separating apparatus : en fr
  • US2329384A - Photographic glass tile : en
  • US2329240A - Automatic check-stop : en
  • FR885354A - Typewriter ribbon : en fr
  • CA415189A - Screw : en fr
  • CH228653A - Process for the manufacture of explosives. : de en
  • CH228729A - A method of manufacturing split piston rings with a chrome outer peripheral surface. : en fr
  • US2329190A - Decimal point indicating mechanism : en
  • CA415118A - Milk cooler : en fr
  • DK61303C - Condensation water discharge with Monitoring device. : da en
  • DK61312C - Resilient mattress base made of wood or similar material. : da en
  • FR52157E - Metal Machining Product : en fr
  • FR885504A - Electro-magnetic device : en fr
  • CH228773A - Hair dryer hood. : de en
  • FR885532A - Rake bell for clock movements : en fr
  • FR52160E - Improvements to gas generators : en fr
  • FR885422A - : fr
  • FR885436A - Charging device for pressure accumulators, in particular for accumulator brake systems mounted on airplanes : en fr
  • GR10150B - MANUFACTURE OF COLORED MOSAICS AND THEIR MAKING OF VARIOUS DECORATIONS. : el en
  • FR885358A - Discharge tubes : en fr
  • FR885474A - Process for the complete or partial prevention of silver halide blackening in photographic layers of silver halide emulsions : en fr
  • CA415185A - Steering column gear shifting mechanism : en fr
  • CA415206A - Manifolding material : en fr
  • US2329275A - Assembling tool : en
  • US2329509A - Process for fermented cereal beverages : en
  • FR885534A - Process for preparing formamidocaproic acid : en fr
  • GB556060A - Improvements in and relating to chip baskets : en
  • IE17635L - Electrical contact clips : en
  • FR52154E - Pressure regulator for supplying combustion engines with compressed or liquefied gases : en fr
  • FR885529A - Drive device with multi-pulley gear change : en fr
  • GB556054A - High frequency amplifier : en
  • FR885418A - Articulated wooden soles : en fr
  • FR885500A - Process for producing woolly artificial filaments : en fr
  • US2329199A - Right-left indicating direction finder system : en
  • FR885375A - Manufacturing process for steels containing nitrogen : en fr
  • GB555963A - Improvements in and relating to resistance welding apparatus : en
  • GB555905A - Improvements in and relating to cylindrical test gauges and other cylindrical tools having wear resisting surfaces : en
  • DE739210C - Delayed electrical overcurrent release : de en
  • FR885408A - Process for purifying gases which are released from viscose processing plants and for simultaneously recovering amorphous sulfur : en fr
  • US2329536A - Electrical vaporizer : en
  • DE739289C - Check valve with hollow valve body : de en
  • GB556050A - Improved fluid meter applicable also as a pump or motor : en
  • US2329360A - Package openable by tearing : en
  • US2329423A - Amplifier system : en
  • DE739250C - Capacitor arrangement, consisting of a wound capacitor which is embedded in the potting compound within a housing : de en
  • FR885521A - Process for removing scale, rust and other inorganic layers covering iron and steel : en fr
  • DE738899C - Electromagnetic gearbox for stepping drive of large masses : de en
  • DE739234C - Telescopic fluid shock absorber, especially for motor vehicles : de en
  • FR885388A - Switch, in particular foot switch for the selective switching on of electric lamps of different powers : en fr
  • GB556014A - Improvements in and relating to protective systems for alternating current circuits and apparatus therefor : en
  • US2329609A - Corn plow attachment : en
  • CH228819A - Process for the preparation of a stilbene dye. : de en
  • FR885545A - Shaped detergents : en fr
  • FR885531A - Fixed or removable reinforced cement frames : en fr
  • GB555915A - Improvements in or relating to hydraulic systems : en
  • FR52180E - Method of gluing the veneer and production means : en fr
  • US2329274A - Orientator : en
  • US2329222A - Polishing disk : en
  • US2329670A - Process for making pavements and the like : en
  • USD136341S - Wrist ornament or similar article : en
  • US2329219A - Lightning arrester, gas flow type : en
  • US2329672A - Manufacture of aromatic products from light olefins : en
  • US2329556A - Illuminating device : en
  • US2329628A - Container : en
  • CH228696A - A method of manufacturing glasses and a pair of glasses obtained by this method. : en fr
  • GB555949A - Improvements in photographic sensitive emulsions : en
  • FR885522A - Hollow steel and aluminum cable for overhead extra high voltage power lines : en fr
  • US2329224A - Electric translating apparatus : en
  • GB555988A - Improvements relating to the production of zirconium nitrate : en
  • FR885398A - Product sensitive to light, heat or electricity : en fr
  • DE739261C - Operating method for a cathode ray transmitter tube with a mosaic screen and a fused-on secondary electron multiplier : de en
  • CH228671A - Method and device for guiding films in picture windows. : de en
  • USD136351S - Design for a combined bottle and cap : en
  • IE17895L - Operating circuits discharge tubes : en
  • US2329557A - Luminaire : en
  • FR885430A - Process for the preparation of pure and crystallized calcium d-pantothenate : en fr
  • US2329298A - Handle for ranges : en
  • CH228662A - Process for the manufacture of a product for the gluing of fibrous materials. : de en
  • FR885519A - Device intended for the reciprocal securing of two components, for example the two elements of a suspension for a lamp : en fr
  • GB556017A - Improvements in and relating to boiler and like furnaces : en
  • US2329629A - Umbrella ferrule : en
  • DE739297C - Process for the direct production of a pressure-resistant and load-bearing brown coal coke briquette next to a brown coal tar rich in viscous oils : de en
  • US2329249A - Motorcycle speedometer drive : en
  • DE739249C - Protection arrangement for surge arrester : de en
  • CH228638A - Process for the production of dried potatoes. : de en
  • CA415198A - Yarn beam mounting : en fr
  • CH228776A - Circuit arrangement in telephone systems with main and sub-offices. : de en
  • FR885397A - Process for manufacturing a stable and clear drink based on whey : en fr
  • NL55333C - : en
  • FR885503A - Method and device for determining the tensile strength of machining materials : en fr
  • US2329223A - Substratum water control : en
  • US2329245A - Calf feeder : en
  • FR52183E - Process for carrying out metallurgical reactions : en fr
  • GB556005A - Improvements in and connected with dentures : en
  • DK61315C - Process for the Preparation of Curable Organic Solvents Soluble Reaction Products of Aminotriazine-Formaldehyde Condensation Products with Aliphatic Carboxylic Acids. : da en
  • DE740010C - Process for the production of ice colors in stuff printing : de en
  • DE738821C - Arrangement for television purposes for image decomposition of films or scenes by means of a moving light beam : de en
  • GB555934A - Improvements in or relating to stove kettles : en
  • US2329563A - Suction cleaning apparatus : en
  • US2329677A - Statistical machine : en
  • FR885393A - Photographic material developable in tones : en fr
  • GB555967A - Improvements relating to the manufacture of tablets or pellets : en
  • USD136345S - Design for a textile fabric : en
  • CA415217A - Swimming suit : en fr
  • CH228821A - Process for the preparation of a stilbene dye. : de en
  • CH228629A - Shoe. : de en
  • CH228828A - Process for the preparation of a dye of the stilbene series. : de en
  • NL55411C - : en
  • US2329498A - Art of mounting piezoelectric crystals : en
  • USD136366S - Design fob a dress : en
  • FR885372A - Frame chassis, in particular for motor cars : en fr
  • DE739205C - Rotary transfer printer for duplicating line or section by line : de en
  • DE739292C - Dust-proof window for sandblasting helmets : de en
  • FR885389A - Method and device for feeding and changing threads for knitting machines : en fr
  • CH228817A - Process for the preparation of a stilbene dye. : de en
  • US2329635A - Permeability tuner operating mechanism : en
  • GB555911A - Improvements in or relating to tubulous vapour generators : en
  • DE739244C - Control panel plate made from two synthetic materials of different strength : de en
  • FR885542A - Wheel arrangement, and especially rear wheel, for vehicle moving mainly in one direction : en fr
  • FR885528A - Tin can : en fr
  • FR885541A - Plastic sealing material : en fr
  • GB555923A - Improvements in and relating to valves : en
  • FR885523A - Hollow steel and aluminum cable for extra high voltage overhead power lines : en fr
  • GB556013A - Improvements in collapsible wooden packing cases : en
  • US2329206A - Printing telegraph apparatus : en
  • US2329554A - Grapple : en
  • FR52165E - Process for the preparation of lactones of the cyclopentanopolyhydrophenanthrene series : en fr
  • CA415137A - Electrolytic condenser : en fr
  • DE739084C - Process for the dehalogenation of addition products of halogen on unsaturated derivatives of the Pregnan series or their ketolab particles : de en
  • GB555935A - Improvements in or relating to dyestuff intermediates : en
  • US2329291A - Oblong can body flanging machine : en
  • CH228633A - Process for defoaming molasses spices. : de en
  • DE738624C - Surge storage : de en
  • US2329541A - Electric measuring apparatus : en
  • DE738772C - Arrangement for sending or receiving colored and / or stereoscopic television images : de en
  • DE739099C - Wooden model for hand molding : de en
  • US2329299A - Pneumatic classifier : en
  • US2329210A - Scraper : en
  • DE738926C - Noise-reducing stop, especially for office machines : de en
  • DE739280C - Tariff establishment : de en
  • AU613642A - Razorblade magazine and blade pack therefor : en
  • CH228818A - Process for the preparation of a stilbene dye. : de en
  • GB555925A - Improvements in frequency or phase modulation of a carrier wave : en
  • CA415197A - Secondary battery charging arrangement : en fr
  • US2329191A - Grinding combination and device : en
  • US2329200A - Remote control sectionalized antenna : en
  • US2329648A - Refrigerating apparatus : en
  • CH228661A - Process for the production of a pulp suitable for immediate further processing on viscose. : de en
  • US2329283A - Contact spring pile-up for coin collector telephones : en
  • US2329532A - Reflector : en
  • DE739221C - Drive device for switches and signals or the like. : de en
  • US2329487A - Sewing machine : en
  • GB555959A - Apparatus for testing the signal to noise ratio of electrical apparatus : en
  • DE739175C - Process for the production of types and type bars or levers for writing, calculating and similar machines : de en
  • CA415232A - Weighing scale transmission mechanism : en fr
  • CH228722A - Heat-insulating cover device on hotplates. : de en
  • US2329542A - Wall construction : en
  • CH228748A - Refrigerator assembled with a stove. : de en
  • CH228651A - Produced to form wear resistant coatings. : en fr
  • CH228765A - Fixing device for chandeliers and other items. : de en
  • US2329334A - Fixture for reblocking or wedging lasts : en
  • US2329273A - Revolver : en
  • CH228804A - Device for securing the wing nut of an air pump holder on bicycles. : de en
  • CH228647A - Process for the production of furfural. : de en
  • AU493942A - Improvements in or relating tothe preparation of heavy suspension media andthe separation of solid materials of different specific gravities : en
  • CH228778A - Circuit device for the transition from a balanced high frequency arrangement to a high frequency unbalanced arrangement or vice versa : de en
  • CH228822A - Process for the preparation of a stilbene dye. : de en
  • AU117460B2 - Continuously variable inductance device : en
  • AU629442A - Improvements in or relating to sensitive quick action electric switches : en
  • CH228618A - Device for wrapping cooking pots. : de en
  • US2329289A - Oxygen supply for parachutists : en
  • DE739241C - Shaft furnace with hot gas circulation : de en
  • US2329203A - Abrading apparatus : en
  • DE739285C - Four-stroke internal combustion engine : de en
  • CH228756A - Switch controlled by bimetal lamella. : de en
  • CA415181A - Drinking tube manufacture : en fr
  • CH228646A - Process for the production of a condensation product. : de en
  • CH228679A - Automatic firearm with advance firing. : de en
  • US2329595A - Dry shaving or clipping machine : en
  • US2329614A - Timing device : en
  • CA415246A - Coated electrode and welding rod : en fr
  • CH228675A - Pen holder with reservoir. : en fr
  • US2329300A - Book construction : en
  • AU660842A - Improved mattresses : en
  • CH228670A - Camera. : de en
  • CH228832A - Process for the preparation of an azo dye of the stilbene series. : de en
  • CH228846A - Process for the preparation of a tetrakisazo dye. : de en
  • CH228673A - Device for image observation on cinematographic cameras. : de en
  • DK61301C - Procedure and Plant for the Extraction of Alcoholic Liquids with Properties that Otherwise only appear during Storage. : da en
  • CH228711A - Turning tool holder with case-hardening steels. : de en
  • CH228849A - Process for the preparation of a tetrakisazo dye. : de en
  • US2329250A - Crankshaft : en
  • US2329435A - Light fixture : en
  • US2329282A - Manufacture of footwear : en
  • US2329492A - Signal recording and reproducing : en
  • CH228805A - Locking device on the brake levers of bicycle brakes. : de en
  • DK61311C - Device for Vacuum Cleaners. : da en
  • CH228599A - Device for connecting pipes that cross at right angles. : de en
  • AU595142A - Magnetic switchhook : en
  • CA415238A - Coal breaking machine : en fr
  • CH228617A - Method of manufacturing a metal container for cooking, with a reinforced bottom, and metal container for cooking, with a reinforced bottom, obtained by this method. : en fr
  • FR885426A - Butenyl amines and their preparation process : en fr
  • GB555975A - Improvements in or relating to motorcycles : en
  • GB556019A - Improvements relating to the mounting of instruments and other devices on a support : en
  • CH228705A - Process for the production of hard metal alloys. : de en
  • US2329489A - Diesel fuel : en
  • CA415159A - Electric switching means : en fr
  • CH228781A - Device for establishing communications using a modulated carrier wave. : de en
  • DE739149C - Pliers for shaping the tip of the collar : de en
  • US2329520A - Heating and sterilizing apparatus : en
  • CA415127A - Axe marking insert : en fr
  • US2329314A - Preformed welt for boot and shoe construction : en
  • AU117459B2 - Razorblade magazine and blade pack therefor : en
  • CA415125A - Abrasive tool : en fr
  • CA415176A - Glass article perforating apparatus : en fr
  • CA415186A - Plant protecting composition : en fr
  • CA415222A - Headlight : en fr
  • US2329564A - Toy crocodile : en
  • US2329482A - Sound-translating machine : en
  • US2329280A - Electrical window operator and tension limiting device : en
  • US2329353A - Method of and apparatus for folding blanks : en
  • US2329312A - Can-arranging device : en
  • DE739163C - Suspension device for loads intended for dropping inside an aircraft : de en
  • US2329507A - Brush rest and wiper accessory : en
  • US2329313A - All in one golf club : en
  • US2329339A - Electrical circuit : en
  • CH228610A - Lounger with adjustable headboard. : de en
  • CA415192A - Cut-off coupling for magnetos : en fr
  • US2329549A - Clipping machine : en
  • US2329591A - Spring expander : en
  • USD136347S - Design for a picture frame : en
  • CA415172A - Vehicle control device : en fr
  • USD136358S - Design for a flower pot : en
  • GB556057A - Improvements in frequency monitoring systems : en
  • GB555999A - Improvements in or relating to electric code signalling systems : en
  • CH228810A - Vehicle with resilient side support, in particular rail vehicle. : de en
  • FR885543A - Process for the formation of different profiles, of unlimited length, starting from the molten metal introduced in the liquid state into the feed channel of the profiling tool : en fr
  • US2329441A - Landing gear for aircraft : en
  • US2329368A - Waste fitting : en
  • DE739266C - Device for automatic restart of electrical switches : de en
  • US2329473A - Heating apparatus : en
  • US2329611A - Collapsible bunkhouse : en
  • CH228644A - Process for the preparation of 17-oxy-progesterone. : de en
  • FR885476A - Nozzle : en fr
  • US2329460A - Connector lug structure : en
  • DE739239C - Device to facilitate the emptying of standing smoldering retorts : de en
  • US2329319A - Electron flow device : en
  • US2329418A - Controlling means : en
  • AU117463B2 - Pilot light circuit for radio receivers andthe like : en
  • FR885478A - Conveyor belt : en fr
  • US2329340A - Trolley conductor support : en
  • US2329385A - Swaging tool : en
  • FR885386A - Core material for coupling inductors : en fr
  • FR885546A - Process for dehydrating liquefied and gaseous hydrocarbons at normal temperature : en fr
  • CH228593A - Drum for cleaning and sorting agricultural products. : de en
  • DE738764C - Process for the dehydrogenation or cleavage of gaseous or vaporous hydrocarbons or gas mixtures containing them at high temperatures and any pressures in coils : de en
  • FR885515A - Process for separating milk into whey and casein : en fr
  • GB555978A - Improvements in or relating to electric arc furnaces : en
  • GB555982A - Improvements in yarn twisting and winding devices : en
  • US2329426A - Dispensing nozzle : en
  • US2329656A - Bottle carrier : en
  • US2329213A - Table : en
  • CA415245A - Radio tuning means : en fr
  • FR885390A - Device for placing and extracting plugs resting in receptacles placed vertically : en fr
  • US2329323A - Ratio regulator : en
  • CA415178A - Hydraulic press : en fr
  • US2329442A - Electric switch housing : en
  • GR10151B - FIREWORKING AND METHOD OF MAKING RESISTANT MATERIAL FOR THE MANUFACTURE OF REFRACTORY OF BRICK PIPES AND OVEN PLATES. : el en
  • DK61313C - Radiant heating system. : da en
  • FR885359A - Enhancements to men's panties, pants and boxer shorts : en fr
  • US2329637A - Chick box : en
  • FR885477A - Jam and its manufacturing process : en fr
  • FR885484A - Improvements made to hydraulic motive power installations : en fr
  • US2329543A - Design in polarizing material and method of manufacturing same : en
  • US2329680A - Defoliation : en
  • CA415173A - Brake cylinder device : en fr
  • CA415202A - Wire drawing block : en fr
  • GB555993A - Improvements in radio communication systems : en
  • CH228766A - Scalpel with interchangeable blades. : en fr
  • DK61304C - Device for Compressed Air Brakes for Vehicles. : da en
  • CH228848A - Process for the preparation of a tetrakisazo dye. : de en
  • USD136340S - Design for an embroidered trimming or similar article : en
  • US2329356A - Fluid filter : en
  • GB555985A - Improvements in or relating to the manufacture of cellulose : en
  • GB556037A - Improvements in or relating to ventilators : en
  • GB555946A - Improvements relating to the discharging of swinging tray conveyors : en
  • GB556028A - Improvements in and relating to ships' lifeboats : en
  • FR52182E - Glides and soles for shoes : en fr
  • FR885510A - Carbon black intended in particular for use in rubber preparations : en fr
  • CH228812A - Process for the preparation of ethyl isocyanate. : de en
  • DE739184C - Hands-free spot welding machine : de en
  • DE707231C - Process and device for processing fiber-containing parts of plants by the action of alkaline solutions : de en
  • DE739173C - Filters, especially for the operating air of aviation equipment : de en
  • DE739264C - Method for the remote control of receiving relays connected to a power network with the aid of intermediate relays : de en
  • DE739151C - Process for the preparation of basic esters of dialicyclic or aryl-alicyclic acetic acids : de en
  • CH228746A - Process for defrosting the evaporators of cooling and heat pump systems. : de en
  • CA415162A - Coating composition : en fr
  • US2329325A - Machine for reshaping bottle caps : en
  • USD136339S - Design fob a toy : en
  • US2329469A - Slitter roller for use in printing machines : en
  • CH228710A - Device for guiding a broaching tool. : de en
  • CA415126A - Electric heater for oil wells : en fr
  • CH228634A - Fat-free defoamer for yeast production through fermentation of sugary solutions. : de en
  • CH228735A - Swing stone. : de en
  • CH228694A - Method and device for producing increased coloring intensity of different colors against one another. : de en
  • CH228787A - Tear-open wrapping. : de en
  • CA415237A - Fuel tank for aircraft : en fr
  • CH228709A - Synthetic solder resin. : de en
  • CH228736A - Explosion engine. : de en
  • CH228728A - Light alloy connecting rod. : de en
  • CH228689A - Device for measuring the rate of change of a physical quantity. : en fr
  • CH228800A - Crawler drive on wheeled vehicles. : de en
  • USD136354S - Body for an auto sled or similar article : en
  • USD136367S - Design for a bubble pipe or the like article : en
  • US2329538A - Control system : en
  • CA415214A - Arc welding device : en fr
  • CH228676A - Floor. : de en
  • CH228607A - Kitchen machine with interchangeable auxiliary devices. : de en
  • US2329400A - Tachometer : en
  • US2329359A - Well pump : en
  • US2329431A - Dispensing apparatus : en
  • CH228838A - Process for the preparation of a tetrakisazo dye. : de en
  • FR885411A - Device for adjusting the concave mirror of vehicle headlights, especially recessed type headlights : en fr
  • US2329517A - Treatment of polymerized rosin and product obtained : en
  • USRE22374E - Transmission line matching : en
  • DE739159C - Crankshaft for internal combustion engines : de en
  • CH228798A - Suspension on motor vehicles. : de en
  • FR885373A - Selector and analog connectors : en fr
  • US2329438A - Glazing device : en
  • US2329406A - Water soluble condensation product and process for making the same : en
  • FR52171E - Cast tools for hot work : en fr
  • FR885480A - Injection molding apparatus : en fr
  • GB555984A - Improvements in or relating to tanks for petrol or other liquids : en
  • GB556029A - Improvements relating to concrete floors and roofs : en
  • GB556034A - Improvements in or relating to sextants : en
  • GB555973A - An improvement in or relating to electrodes used in the electrolytic production and/or deposition of metals and metallic compounds : en
  • GB556032A - Improvements in scraping tools : en
  • US2329389A - Wire line grip : en
  • GB555932A - Improvements in or relating to view finders : en
  • FR885472A - Base plate for artificial textile yarn industry and its manufacturing process : en fr
  • DE739242C - Circuit arrangement for the production of a quick operational readiness of indirectly heated pipes of a power supply unit : de en
  • GB556043A - Improvements in oxy-gas metal-cutting machines : en
  • GB556002A - Improvements in or relating to gun mountings : en
  • DE739069C - High-pass filter for converting frequency-modulated oscillations into amplitude-modulated oscillations : de en
  • FR885406A - Manufacturing process of precisely shaped ceramic parts and resulting products : en fr
  • DE739187C - Mandrel for injection molding machines : de en
  • DE739293C - Inlet valve, especially for an aircraft sling operated with high-tension gases : de en
  • US2329207A - Thermoplastic sheet material : en
  • US2329613A - Engine workstand : en
  • FR885432A - Automatic firearm with movable mounting for recoil : en fr
  • US2329570A - Device for regulating the sensitivity of signal receiving apparatus : en
  • CH228650A - Process for the production of a vat dye. : de en
  • CH228685A - Directly displaying bearing method based on the goniometer method. : de en
  • CH228841A - Process for the preparation of a tetrakisazo dye. : de en
  • GB556018A - Improvements in or relating to gas meters : en
  • DE739217C - Material for magnetically stressed objects : de en
  • DK61307C - Procedure in the manufacture of an oxide cathode with a support body consisting of technically pure nickel. : da en
  • US2329447A - Timing mechanism : en
  • FR885525A - Device for locating short circuits : en fr
  • US2329412A - Liquid level measuring instrument : en
  • CH228777A - Receiving circuit for frequency-modulated oscillations. : de en
  • US2329372A - Power lawn mower : en
  • US2329474A - Lubricant : en
  • CH228637A - Process for the preservation of plant products. : en fr
  • CH228830A - Process for the preparation of a dye of the stilbene series. : de en
  • US2329197A - Machine for applying pressure to work : en
  • CA415241A - Spinning spindle : en fr
  • CH228755A - Device for converting the position values supplied by a transmitter into electrical values. : de en
  • CH228797A - Damping device on torsion springs, in particular for chassis. : de en
  • US2329552A - Fire extinguisher : en
  • US2329472A - Freezer storage : en
  • DE739215C - Method and device for the continuous extraction of flake bast from long or tangled bast fibers : de en
  • DE739132C - Ski binding : de en
  • US2329403A - Cleaning of cereal grains : en
  • CH228674A - Procedure for setting slides. : de en
  • US2329173A - Drawing tool : en
  • CH228720A - Mechanical razor. : en fr
  • US2329567A - Multiple glass sash : en
  • US2329621A - Black-out shade attachment means : en
  • CH228824A - Process for the preparation of a stilbene dye. : de en
  • US2329378A - Tile-buttering machine : en
  • US2329665A - Air volume control : en
  • US2329317A - Method of conditioning anodes : en
  • US2329650A - Multiplex telegraph system : en
  • US2329682A - Burner control apparatus : en
  • CH228789A - Container closure. : de en
  • CH228713A - Method and device for the step-by-step conveyance of the material to be treated through heating ovens, in particular through ovens. : de en
  • US2329307A - Manufacture of catalysts : en
  • CH228852A - Process for the production of a copolymer from a vinyl sulfamide. : de en
  • FR52159E - Improvements to chains used for dragging heavy materials : en fr
  • FR52198E - Product protecting seeds against birds : en fr
  • GB556008A - Improvements in or relating to agricultural tool bars : en
  • FR52164E - Switching reactance : en fr
  • US2329526A - Translator : en
  • CA415138A - Well pipe jack : en fr
  • DE739153C - Surface condenser cooled with a forced air flow : de en
  • US2329371A - Mixing valve : en
  • US2329513A - Preparation of light-colored fresh fruit for market : en
  • CA415120A - Hose supporter : en fr
  • CH228614A - Guide device on drawers. : de en
  • DE739273C - Umbrella frame with auxiliary struts hinged to the struts : de en
  • DE739301C - Device for easy setting of the beginning of the print image or print text on the sheets to be printed on rotary flat printing machines, in particular office duplicating machines : de en
  • CH228601A - Process to prevent slippage and flow phenomena in fine-grained soil. : de en
  • US2329350A - Water softening system and apparatus : en
  • CH228829A - Process for the preparation of a dye of the stilbene series. : de en
  • NL55176C - : en
  • USD136343S - Design for a mixing spoon : en
  • US2329180A - Decimal point indicating mechanism : en
  • US2329664A - Coating composition containing kauri resin : en
  • US2329332A - Pneumatic tire : en
  • US2329599A - Mount testing device : en
  • US2329399A - Cutter : en
  • US2329343A - Electrical device : en
  • US2329367A - Container : en
  • US2329244A - Method of and apparatus for attaching soles to shoes : en
  • CA415133A - Milk soap : en fr
  • CH228843A - Process for the preparation of a tetrakisazo dye. : de en
  • DE739176C - Process for the production of a fertilizer containing phosphoric acid : de en
  • CH228620A - Method and device for mixing textile fibers. : de en
  • US2329518A - Alarm system : en
  • US2329195A - Voltage and frequency regulator : en
  • US2329266A - Stack switch construction : en
  • CH228808A - Pedal cranks for bicycles. : de en
  • US2329605A - Collapsible box structure : en
  • US2329324A - Lubricant composition : en
  • CH228692A - Counter. : de en
  • US2329304A - Method and apparatus for packaging beverages : en
  • CH228726A - Device for connecting two ends of tape. : en fr
  • US2329331A - Road oiler : en
  • US2329393A - Means for supplying abrasive material to drills : en
  • US2329410A - Process of welding manganese steels : en
  • DE739199C - Brake lever assembly, especially for cars and. like : de en
  • US2329484A - Sewing machine : en
  • GB556022A - Improvements in the treatment of rubber to inhibit cracking : en
  • FR885496A - Hand-operated dry mechanical razor : en fr
  • GB556004A - An improved apparatus for maintaining consistency or density of a liquid : en
  • SE108466C1 - : en
  • CH228795A - Swing axis on motor vehicles. : de en
  • FR885399A - Monobloc group for high frequency devices : en fr
  • GB555998A - Pulverulent cleansing preparations : en
  • NL55300C - : en
  • DE739867C - Process for the preparation of lactams from oximes of cyclic ketones with 5 to 7 carbon atoms in the ring : de en
  • FR885530A - Electrical signaling systems : en fr
  • US2329257A - Railway car truck : en
  • US2329342A - Air conditioning apparatus : en
  • GB555920A - Method of spinning concrete poles, columns, pipes and other concrete units : en
  • FR885533A - Method and device for the manufacture of terminals for electric accumulators : en fr
  • US2329177A - Ventilated spoiler : en
  • GB555938A - Improvements relating to the loading of heavy machine guns : en
  • US2329271A - Combustion chamber : en
  • CH228626A - Washing and cleaning agents. : de en
  • CA415135A - Rotary motor : en fr
  • CA415191A - Glass making apparatus : en fr
  • DE739131C - Multi-layer ski : de en
  • FR885483A - Layer sensitive to secondary emission : en fr
  • US2329241A - Excavator : en
  • US2329387A - Sheet-material shearing tool : en
  • GB555956A - Improvements relating to induction type electricity meters : en
  • US2329654A - Measuring or detecting periodic forces : en
  • GB555926A - Improvements in and relating to collars for wear : en
  • CH228827A - Process for the preparation of a dye of the stilbene series. : de en
  • US2329377A - Discharge apparatus : en
  • AU686242A - Transmission system regulation : en
  • DE739254C - Aluminum alloy : de en
  • FR885378A - Three-sided tipper for vehicles, especially for motor trucks : en fr
  • FR885527A - Method and device for damping vibrations, in particular for crankshafts of internal combustion engines : en fr
  • US2329287A - Molding of materials : en
  • US2329503A - Bed davenport : en
  • US2329231A - Nozzle spray regulator : en
  • US2329671A - Aralkyl phenol and method for its production : en
  • US2329456A - Vinyl resin coating composition : en
  • US2329488A - Lathe dog : en
  • US2329649A - Calculating machine : en
  • DE739216C - Vacuum cleaner housing with a motor blower unit which is arranged in the axial direction between flexible parts : de en
  • DE739260C - Closure of frontal or other openings in water or steam containers of steam generators : de en
  • US2329328A - Provision of wire rips in canisters : en
  • CH228791A - Fruit harass. : de en
  • DE739158C - Core for casting housings for water pipe shut-off devices : de en
  • FR885452A - Process for stabilizing aqueous emulsions of mineral oils and for increasing their degree of dispersion : en fr
  • GB555941A - Improvements in change speed gear : en
  • GB556007A - Method and apparatus for casting diamond studded tools : en
  • DE739223C - Weatherproof housing for electrical devices and apparatus, e.g. Cable distributor for high and low voltage cable systems : de en
  • DK61318C - Rotating, Carried Drum for Treatment, especially Drying, of piece-shaped Material. : da en
  • CH228680A - Cartridge case extractor. : de en
  • GB556001A - Improvements relating to electrical communication systems : en
  • GB555968A - Improvements in radio directional receivers : en
  • CA415144A - Gauge positioning mechanism : en fr
  • CA415190A - Glass furnace batch feeding apparatus : en fr
  • CA415119A - Oil burner blower unit : en fr
  • US2329496A - Self-conforming shoulder pad : en
  • DE739197C - Individual suspension of the steerable front wheels of road vehicles : de en
  • FR885459A - Synthetic rubber and its manufacturing process : en fr
  • US2329388A - Earth auger : en
  • FR52177E - Gas filters for engines powered by gasifier : en fr
  • GB555964A - Improvements relating to electrolytic condensers : en
  • GB555918A - Improvements in electronic valves and capping arrangements therefor : en
  • FR52166E - Application of iron alloys to chromium : en fr
  • US2329214A - Cutting machine : en
  • US2329186A - Alloys : en
  • US2329286A - Hose reinforcement inserting apparatus : en
  • US2329676A - Hair net : en
  • CH228730A - Device for stopping and regulating the flow rate of a fluid within a duct. : en it
  • US2329443A - Overhead door construction : en
  • CH228704A - Process for the production of iron containing phosphorus and apparatus for carrying out this process. : de en
  • CH228708A - Process for the continuous casting of metallic materials. : de en
  • CA415210A - Decorated film structure : en fr
  • CH228737A - Device for cooling the oil for motor vehicles. : de en
  • CH228854A - Process for the preparation of a basic amide. : de en
  • CH228615A - Toilet bowl. : de en
  • US2329553A - Suction cylinder mold for papermaking machines : en
  • DE739275C - Clothes rack arranged on an end wall of a bed frame : de en
  • US2329668A - Synchronous trigger control : en
  • DE739278C - Device for homogenizing and pressing out plastic to crumbly soft masses, emulsions and the like. like : de en
  • FR885367A - Insulating casing and method of using this casing for the manufacture of refrigerated containers : en fr
  • US2329515A - Treatment of rosin or modified rosin : en
  • GB555928A - Modified refractometer for controlling chemical reactions : en
  • GB555917A - Improvements in and relating to electrical voltage regulating systems : en
  • GB555943A - Improvements in or relating to means for detecting and measuring torsional vibrations : en
  • FR885550A - Automatic packaging scale : en fr
  • CA415171A - Brake control mechanism : en fr
  • FR885441A - Artificial fiber yarn : en fr
  • NL99258B - : en
  • US2329592A - Room heater : en
  • DE739247C - Arrangement for the elimination of arcing faults : de en
  • CA415188A - Brake beam safety support : en fr
  • CH228851A - Process for the production of a new anthraquinone dye. : de en
  • FR885434A - Double twist twist spindle : en fr
  • GB556006A - Improvements in disconnectible means for coupling loads to parachutes : en
  • DE738980C - Process for obtaining phenol from oils with lye : de en
  • FR52195E - Braking device for vehicle trains, in particular for motor vehicle trains : en fr
  • US2329465A - Heating apparatus : en
  • US2329539A - Chef's cap : en
  • GB556000A - Improvements relating to the combustion chambers of fuel-injection engines : en
  • GB556012A - Improvements in or relating to filters : en
  • DE739183C - Process for gettering electrical discharge tubes with metallic walls : de en
  • CH228796A - Suppressed bugle. : de en
  • GB555981A - A process of obtaining ª‡-and ª‰-methylnaphthalene and fractions enriched in either of these compounds : en
  • US2329575A - Propellent powder : en
  • US2329584A - Temperature regulation system for electric discharge devices : en
  • US2329451A - Range surface unit : en
  • US2329544A - Condenser : en
  • DE738304C - Repeat lock : de en
  • GB555919A - Improvements in electric order-telegraph apparatus : en
  • CH228703A - Process for improving the micrographic cleanliness of a steel. : en fr
  • FR885518A - Machine for harvesting potatoes or beets in several rows : en fr
  • GB556052A - A new or improved safety device for a leather-rolling machine : en
  • GB555916A - Improvements in or relating to motion picture projectors : en
  • US2329363A - Adapter means for fluid systems : en
  • US2329366A - Structural element : en
  • US2329439A - Hand truck : en
  • US2329258A - Apparatus for manufacturing tire casings : en
  • CA415150A - Bearing forming apparatus : en fr
  • FR885486A - Telephone or similar systems for establishing connections : en fr
  • DE738900C - Process for the preparation of copper-containing tetrakisazo dyes : de en
  • US2329502A - Fluid level indicator : en
  • US2329662A - Hydraulic valve gear : en
  • US2329642A - Electrical apparatus : en
  • CH228754A - Electrical installation switch. : de en
  • US2329600A - Dehydration process : en
  • DK61309C - Method for curing water-soluble, synthetic, linear polyamides. : da en
  • US2329587A - Attachment for machine tools : en
  • US2329463A - Sash balance : en
  • CH228648A - Process for the preparation of a, B-dichloroacrylonitrile. : de en
  • FR885429A - Starter for starting the engines of trucks, tractors, coaches, passenger cars : en fr
  • FR885435A - Tin can : en fr
  • US2329305A - Distilling apparatus : en
  • CH228733A - Bow-shaped broken link for control devices of water turbines and pumps. : de en
  • CH228826A - Process for the preparation of a dye of the stilbene series. : de en
  • US2329551A - Music notation ruler : en
  • FR885379A - Coolant for metal grinding : en fr
  • GB555974A - Improvements in or relating to charge feeding devices for internal-combustion engines : en
  • DE739194C - Pre-chamber injection internal combustion engine with a laterally arranged pre-chamber : de en
  • US2329409A - Device for winding armatures : en
  • US2329537A - Nonlinear inductance : en
  • US2329433A - Tri-(beta-carboxyethyl)-acetone : en
  • DK61314C - Building board, especially for Doors. : da en
  • FR885352A - Brake device, especially for automobiles : en fr
  • IE16506L - Fastener for boxes, purses, etc. : en
  • DE739265C - Device for regulating the voltage in electrical circuits by means of regulating chokes : de en
  • CA415183A - Flow meter : en fr
  • US2329230A - Hydraulic clutch : en
  • US2329437A - Measuring device : en
  • USD136357S - Design for a dress : en
  • CA415227A - Hood control for motor cars : en fr
  • CA415167A - Synchronous motor starting means : en fr
  • DE739291C - Process for producing two-color halftone images produced by copying, projecting or printing : de en
  • CH228725A - Device for connecting two ends of a link. : en fr
  • US2329237A - Sewing machine : en
  • AU658442A - Improvements in and relating to diaphragm operated control valves : en
  • FR885481A - Process for facilitating the spreading of layers of hydrophilic colloids, applicable in particular to the manufacture of photographic products : en fr
  • US2329547A - Leafed device : en
  • CA415157A - Telemetering system : en fr
  • US2329254A - Valve mechanism : en
  • CH228739A - Piston pump. : de en
  • FR885371A - Reel with classification label and roll film storage box : en fr
  • CH228643A - Process for obtaining sulphurous gas from gas mixtures. : en fr
  • CH228820A - Process for the preparation of a stilbene dye. : de en
  • US2329411A - Header plug : en
  • US2329228A - Light trap : en
  • US2329318A - X-ray generator : en
  • US2329565A - Display package : en
  • CA415180A - Blowpipe and rod feeding mechanism : en fr
  • CH228786A - Process for the production of tubes. : de en
  • DE739263C - Process for thickening electrolyte solutions for dry batteries : de en
  • CA415122A - Door lock : en fr
  • US2329578A - Tobacco pipe : en
  • US2329276A - Automatic variable speed control : en
  • CA415231A - Weighing scale : en fr
  • CH228844A - Process for the preparation of a tetrakisazo dye. : de en
  • US2329255A - Concentration of aliphatic acids : en
  • CH228814A - Process for the preparation of n-butyl isocyanate. : de en
  • FR885517A - Grid endless screening machine bordered by articulated chains, particularly for potato harvesting machines : en fr
  • GB555979A - Improvements in or relating to the heeling of shoes or means adapted for use therein : en
  • CA415204A - Gasoline production : en fr
  • CH228660A - Method and apparatus for spraying fusible materials. : de en
  • CH228788A - Box for pills and the like. : de en
  • US2329352A - Appliance for drying hair : en
  • CH228678A - Gas pressure charger. : de en
  • US2329262A - Surgical dressing unit : en
  • US2329583A - Resinous composition for wire coatings and the like : en
  • CH228833A - Process for the preparation of a tetrakisazo dye. : de en
  • US2329375A - Decorative tubular casing and method of making : en
  • GB556010A - Improvements in or relating to pipe joints or couplings : en
  • USD136363S - Design for a jumper dress : en
  • US2329505A - Process of purifying and crystallizing salts : en
  • US2329660A - Combination ash tray-coaster : en
  • US2329264A - Surgical instrument : en
  • US2329327A - Posture chair : en
  • US2329292A - Safety control for oil burners : en
  • AU658742A - Improved lathe cutting tool and Holder therefor : en
  • DE739213C - Metal vapor rectifiers equipped with high vacuum pumps for mercury vapor : de en
  • CH228747A - Motor compressor in chillers with motor compressor block mounted on elastically flexible supports. : de en
  • CH228762A - Converter with lifting contacts actuated synchronously with certain values periodically assumed by the current to be interrupted. : de en
  • CH228757A - Arrangement for differential protection devices. : de en
  • US2329194A - Television : en
  • US2329434A - Machine for winding strips of material : en
  • AU624142A - Improvements in and relating to circular saws : en
  • CA415234A - Sheet metal container closure : en fr
  • US2329308A - Ordnance : en
  • US2329490A - Hose coupling : en
  • CH228595A - Construction wall made of wood for wooden houses. : de en
  • CA415236A - Combined closure and applicator : en fr
  • CH228605A - Gas generator with an air preheating chamber arranged around the hearth. : de en
  • AU117458B2 - Improved vice or like work-holding means : en
  • US2329330A - Hole cleansing device : en
  • US2329430A - Submarine rescue apparatus : en
  • CA415196A - Record controlled machine : en fr
  • DE739200C - Valve arrangement between the main pressure cylinder and reservoir of hydraulic systems, in particular of hydraulic brakes on motor vehicles : de en
  • US2329205A - Clutch : en
  • US2329471A - Electrical terminal : en
  • CH228724A - Metallic bracelet. : en fr
  • AU659242A - Improvements in or relating to apparatus for reinforcing paper cloth, or like fabrics : en
  • CH228623A - Yarn braking device for shear gates, winding machines and the like. : de en
  • DE739208C - Retroreflective device : de en
  • GB555983A - Process of manufacturing sintered moulded bodies of metals and alloys : en
  • US2329596A - Harvester reel : en
  • US2329616A - Treatment of hydrocarbon oils : en
  • DE739138C - Electron tubes with a cathode, the highly emissive coating of which is dusted onto the cathode body by eddy current heating : de en
  • CH228845A - Process for the preparation of a tetrakisazo dye. : de en
  • GB555936A - Improvements in or relating to dyestuffs : en
  • US2329392A - Detecting means for presses : en
  • GB555931A - Improved photographic developing dish : en
  • FR52190E - Application of iron alloys to chromium : en fr
  • US2329481A - Device for installing electrical wall fixtures : en
  • AU667942A - Improvements in or relating to electric signalling systems : en
  • CH228695A - Process for reducing the reflection of light from surfaces of solid, translucent objects. : de en
  • CH228855A - Torsion spring system. : de en
  • US2329402A - Agglomeration of cereal grains : en
  • US2329610A - Building panel : en
  • CH228631A - Device for the uninterrupted separation of the fat substance from fat emulsions. : de en
  • GB556062A - Improved spark plug : en
  • USRE22373E - Manufacture of abrasive articles : en
  • FR885514A - Reinforced concrete column : en fr
  • FR885467A - Detachable jaws improved for vices : en fr
  • US2329208A - Pulverizing and classifying machine : en
  • FR885512A - Electro-chemical process and equipment for the production and treatment of oils : en fr
  • GB555966A - Method and apparatus for the production of pulp from cellulosic material : en
  • FR885509A - Process for the regeneration of cation exchangers and acid anion exchangers : en fr
  • AU595342A - Electro-optical signalling : en
  • FR885415A - Spray carburetor : en fr
  • US2329623A - Clothes washer : en
  • US2329683A - Variable ratio gearing : en
  • US2329184A - Apparatus for curing asbestoscement pipes : en
  • US2329192A - Refrigerating apparatus : en
  • CH228665A - Process for the production of a shaped structure from fiber material. : de en
  • GB556009A - Improvements in or relating to vehicles of the track-laying type : en
  • CH228768A - Process for producing a stable preparation of vitamin D3. : de en
  • FR885433A - Automatic firearm with mass lock : en fr
  • DE739178C - Transversely movable guide of the pivot of a bogie, which is relieved of vertical forces, without a cradle for rail vehicles : de en
  • US2329272A - Combustion chamber : en
  • GB555960A - An improvement in or relating to variable reactance or choke coils : en
  • US2329569A - Automatic gas shutoff : en
  • US2329597A - Directional drilling sub for oil wells : en
  • US2329602A - Ash tray : en
  • FR885498A - Process for preparing synthetic products from formamidocarbonic acids : en fr
  • US2329466A - Call transmitter : en
  • FR885461A - Continuous operating press : en fr
  • GB555930A - Improvements in or relating to the electrodeposition of lead : en
  • GB556059A - Improved method of making ferrous metal articles from turnings or like scrap : en
  • FR885449A - Process for facilitating the spreading of layers of hydrophilic colloids, applicable in particular to the manufacture of photographic products : en fr
  • US2329338A - Friction shock absorbing mechanism : en
  • FR885465A - Centrifugal switch for electric motor starters : en fr
  • FR885544A - Nickel-platinum alloy and its industrial applications : en fr
  • CH228667A - Switching device for typewriters. : de en
  • FR885488A - Double compressor for gasifier engine : en fr
  • CA415215A - Arc welding system : en fr
  • GB555929A - Improvements in or relating to the electrodeposition of tin or tin lead alloys : en
  • GB555952A - Geographical map provided with movable marking means : en
  • GB556042A - Improvements relating to the production of high-speed tool steel : en
  • FR885380A - Preparation or refining of aluminum : en fr
  • DE739295C - shovel : de en
  • US2329647A - Refrigerating apparatus : en
  • US2329336A - Collar block for shirt presses : en
  • US2329594A - Hydraulic transmission : en
  • US2329212A - Method of and apparatus for processing fruit : en
  • CA415168A - Refrigerating system : en fr
  • GB555944A - Improvements in or relating to air or gas pumps of the reciprocating type : en
  • US2329604A - Fluid meter : en
  • FR885437A - Process for improving and embellishing the surfaces of boards made of wood, asbestos, cellulose or the like : en fr
  • FR885487A - Thruster consisting of a paddle wheel : en fr
  • US2329248A - Motorcycle construction : en
  • US2329593A - Mica splitting machine : en
  • US2329174A - Engine starter : en
  • GB556016A - Improvements in electrical control systems for maintaining predetermined speed relationships between co-operating electric motors : en
  • FR885540A - Reinforced effect scorch eye, especially for guard cradles on high voltage insulators : en fr
  • US2329540A - Ultra short wave tube : en
  • US2329425A - Molding apparatus : en
  • CH228761A - Electron tube with a photocathode and a secondary emission electrode, and a method for manufacturing such a tube. : de en
  • DE739236C - Gas pressure charger : de en
  • US2329506A - Vaporizer : en
  • FR885443A - Device for adjusting the volume of the compression chamber in internal combustion engines with two-piece pistons : en fr
  • GB556023A - Method and apparatus for forming abrasive articles : en
  • GB555962A - Improvements in or relating to typographical slug casting machines : en
  • GB556030A - A pastry cutter with rotating disc cutters : en
  • FR885419A - electric test image transmitter for television : en fr
  • US2329383A - Lawn mower : en
  • US2329454A - Printing machine : en
  • GB555989A - Improvements in split pulleys and the like : en
  • CA415209A - Geophysical exploration apparatus : en fr
  • US2329365A - Iron blue pigment : en
  • FR885357A - Device printing by application of transparent sheet on dark adherent layer, erasing by separation : en fr
  • CH228652A - Process for the production of soaps filled with minerals. : de en
  • CH228740A - Device on combustion engines for automatic control of the secondary air supply through the negative pressure. : de en
  • CH228775A - Two-way amplifier system for telecommunication systems. : de en
  • DE739198C - Internal brake for vehicles or aircraft with a brake drum symmetrically arranged inside the split wheel body : de en
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